1. The utility model provides a trade tiny fragments of stone, coal, etc. group car group for changing tiny fragments of stone, coal, etc. operation in the switch change in-process, its characterized in that, including trade tiny fragments of stone, highway-railway dual-purpose railway tiny fragments of stone transport vechicle, rail way tiny fragments of stone transport vechicle, belt material transport vechicle and the benefit tiny fragments of stone, coal, etc. car, highway-railway dual-purpose railway tiny fragments of stone, coal, etc. transport vechicle, rail way tiny fragments of coal, etc. transport vechicle and belt material transport vechicle marshalling out the excavation and the operation of end tiny fragments of stone, coal, etc. of old switch removal, the operation of backfilling and the plastic after the new switch installation is accomplished to benefit tiny fragments of stone, coal, etc.

2. The ballast replacing vehicle set for the ballast replacing operation in the turnout replacing process according to claim 1, the ballast replacing vehicle is characterized by comprising a first frame, a first three-axis power bogie arranged at the front end and the rear end of the lower portion of the first frame and used for vehicle traveling, a ballast digging device arranged at the front end of the upper portion of the first frame, an equipment room arranged at the rear end of the upper portion of the first frame, two sets of first track traveling devices arranged between the ballast digging device and the equipment room, a first old ballast conveying belt and a first new ballast conveying belt supported on the first frame, a transfer conveying belt arranged between the first old ballast conveying belt and the ballast digging device and supported on the first track traveling device and used for conveying dug old ballasts to the first old ballast conveying belt, a new ballast hopper arranged on the first frame and connected with the first new ballast conveying belt, and a backfill conveying belt arranged below the new ballast hopper and used for backfilling operation at the bottom.

3. The ballast replacing vehicle set for ballast replacing operation in the turnout replacing process according to claim 2, wherein the ballast digging device comprises a central revolving platform, a cab arranged on the central revolving platform, two operating arms connected with the central revolving platform and arranged oppositely, a conveying belt arranged between the two operating arms, a ballast digging shovel connected with the other end of the operating arms, and a ballast removing device hinged with the ballast digging shovel, wherein the operating arms are telescopic and rotatable, and the conveying belt and the operating arms are synchronously telescopic;

the ballast raking device comprises a ballast raking roller, a first driving device for driving the ballast raking roller to rotate, a rotating shaft connected with the ballast digging shovel, a connecting rod for connecting the rotating shaft and the first driving device, and a hydraulic oil cylinder, one end of the hydraulic oil cylinder is connected with the ballast digging shovel, and the other end of the hydraulic oil cylinder is connected with the connecting rod;

when the hydraulic oil cylinder drives the ballast scraping roller to rotate to the position below the ballast digging shovel, the hydraulic oil cylinder is used for scraping the railway ballast to the front, so that the ballast digging device is in a foundation pit digging state;

when the hydraulic oil cylinder drives the ballast scraping roller to rotate to a position where the ballast scraping roller is leveled with the ballast digging shovel, the hydraulic oil cylinder is used for loosening the front hardened ballast to enable the ballast digging device to be in a loose state;

when the hydraulic oil cylinder drives the ballast digging roller to rotate to the position above the ballast digging shovel, the ballast digging roller stops rotating, the ballast digging shovel operates independently, and the operation arm drives the ballast digging shovel to operate stone ballasts to the conveying belt.

4. The ballast replacing vehicle set for replacing the ballast during the turnout replacing process according to claim 3, wherein the ballast digging shovel comprises a bucket, a spiral ballast removing device arranged in the bucket, and a second driving device for driving the spiral ballast removing device to rotate;

the operation arm comprises a fixed arm connected with the central rotary table, a telescopic arm hinged with the fixed arm, an operation arm telescopic oil cylinder driving the telescopic arm to extend or retract, and a rotating oil cylinder, wherein one end of the rotating oil cylinder is connected with the fixed arm, and the other end of the rotating oil cylinder is connected with the telescopic arm and used for driving the telescopic arm to rotate;

the conveying belt comprises a first conveying belt and a second conveying belt which is connected with the first conveying belt in a sliding mode, wherein the first conveying belt comprises a first rack, a driving roller, a rotary roller and a tensioning roller which are arranged on the first rack, a hydraulic motor for providing power for the driving roller, a first belt which sequentially winds the driving roller, the rotary roller and the tensioning roller, and a return idler roller which is arranged at the bottom of the rack;

the second conveyer belt comprises a second rack, a steering roller arranged on the second rack, a bend pulley arranged opposite to the steering roller, a carrier roller arranged on the second rack, a second belt arranged around the steering roller and the bend pulley, and a conveyer belt telescopic oil cylinder connected with the first rack and the second rack and used for pushing the second rack to stretch, wherein the steering roller is in rolling connection with the first rack.

5. The ballast replacing vehicle set for ballast replacing operation in the turnout replacing process according to claim 2, wherein the backfill conveyor belt comprises a rotation center support frame and a third belt arranged on the rotation center support frame, a leveling device is arranged at the front end of the rotation center support frame, and the leveling device comprises a ballast pushing plough and a ballast pushing plough lifting oil cylinder connected with the ballast pushing plough.

6. The ballast replacing vehicle set for the ballast replacing operation in the turnout replacing process according to claim 1, the railway and highway dual-purpose railway ballast transport vehicle is characterized by comprising a second frame, a first unpowered two-shaft bogie arranged at the front end and the rear end of the lower part of the second frame and used for vehicle running, a second old ballast conveyor belt arranged on the second frame and connected with the first old ballast conveyor belt, a second new ballast conveyor belt arranged on the second frame and connected with the first new ballast conveyor belt, and two groups of second track running devices arranged on the second frame, the second old ballast conveyor belt is used for conveying the dug old ballast to the track-mounted ballast conveying vehicle, the second new ballast conveyor belt is used for conveying the new ballast conveyed by the track-mounted ballast conveying vehicle to the ballast replacing vehicle, and the second track traveling device is used for traveling the vehicle after the old turnout is investigated and located.

7. The ballast replacing vehicle set for ballast replacing operation in the turnout replacing process according to claim 1, wherein the track-mounted ballast conveyor comprises a third frame, a second unpowered three-axis bogie and a second powered three-axis bogie which are arranged at the lower part of the third frame, a first ballast storage hopper which is arranged on the third frame and used for storing new ballasts, a third old ballast conveyor belt which is arranged at the upper part of the first ballast storage hopper, and a third new ballast conveyor belt which is arranged at the lower part of the first ballast storage hopper, wherein the third old ballast conveyor belt is used for conveying the excavated old ballasts to the belt material transport vehicle, and the third new ballast conveyor belt is used for conveying the new ballasts in the first ballast storage hopper to the highway-railway dual-purpose ballast conveyor vehicle.

8. The ballast replacing vehicle set for the ballast replacing operation in the turnout replacing process according to claim 1, wherein the ballast supplementing vehicle comprises a fourth frame, a third unpowered three-axis bogie and a third powered three-axis bogie which are arranged at the lower part of the fourth frame, a power room which is arranged on the fourth frame, a ballast adding belt which is arranged above the power room, a second ballast storage hopper which is arranged on the fourth frame, a ballast supplementing driver room and a brake room, a track surface cleaning brush which is arranged at the lower part of the fourth frame, a rough shaping plow, a ballast distributing hopper and a ballast supplementing belt, wherein the ballast distributing hopper and the ballast supplementing belt are used for supplementing new ballasts in the second ballast storage hopper to a turnout section, and the track surface cleaning brush and the rough shaping plow are used for completing ballast rough shaping and track surface cleaning after the ballast supplementing belt unloads the ballasts.

9. The ballast replacing car set for ballast replacing operation in the turnout replacing process according to claim 2 or 6, wherein the first track running device or the second track running device is identical in structure and comprises a track assembly, a rotating device, a vertical leg assembly, a horizontal leg assembly and a rotating installation fixing seat respectively, the vertical leg assembly and the horizontal leg assembly are telescopic and used for realizing the change of the supporting height and the supporting width of the track running device, and the rotating device is used for controlling the running direction of a vehicle.

10. The ballast replacing vehicle set for ballast replacing operation in the turnout replacing process according to claim 9, further comprising an automatic identification control system, wherein the automatic identification control system controls the vertical leg assembly of the first track running device or the second track running device according to the identified road condition information so as to adjust the supporting height.

Background

The turnout is line connection equipment for realizing railway track conversion, is one of weak links of a track system, has a complex structure, high laying and replacing difficulty and high construction precision requirement, ensures the laying and replacing quality of the turnout, and can ensure the design speed, comfort and safety requirements when a train passes through. A good stone ballast replacing operation construction scheme is an important link for ensuring the replacing construction operation efficiency and the construction quality of the turnout and ensuring the operation safety and the normal use of the turnout.

Through investigation, the existing ballast replacing operation adopts a pure manual or manual excavator adding mode, so that the construction efficiency is low, the mechanization degree is poor, the safety risk is high, and meanwhile, an adjacent line or an additional skylight point is required to be occupied. By means of professional ballast replacing construction equipment, a high-efficiency, safe and reliable construction method is adopted, the working strength is reduced, the dependence on manpower is reduced, the improvement of the construction efficiency and the construction quality are urgent requirements of a work department for a long time, and the efficiency of the ballast digging device is an important factor influencing the ballast replacing operation efficiency.

In view of this, a ballast replacing vehicle set for ballast replacing operation in the turnout replacing process is needed to be provided to solve the technical problem.

Disclosure of Invention

The invention aims to provide a ballast replacing vehicle set which is high in working efficiency and used for replacing ballasts in the turnout replacing process.

In order to solve the problems, the technical scheme of the invention is as follows:

the utility model provides a trade tiny fragments of stone, coal, etc. group for changing tiny fragments of stone, coal, etc. operation in switch change in-process trades tiny fragments of stone, coal, etc. group, including the tiny fragments of stone, coal, etc. transport vehicle of trading that links up in proper order, the tiny fragments of stone, coal, etc. transport vehicle of the dual-purpose railway, the rail way tiny fragments of stone, coal, etc. transport vehicle of the rail way, the belt material transport vehicle and the tiny fragments of coal, etc. transport vehicle of the rail way, the tiny fragments of stone, coal, etc. transport vehicle of the tiny fragments of coal, etc. transport vehicle of the rail way, and the tiny fragments of stone, coal, etc. transport vehicle of rail way, and coal, etc. transport vehicle of the whole track, and the tiny fragments of railway are removed, and the operation of the tiny fragments of the railway, and the operation of the tiny fragments of stone, and the operation of the tiny fragments of stone, of the earth, of the operation of the earth, of the railway, of the operation of the track of trading, of the railway, of the operation of the track of trading, of the track of.

Further, the ballast replacing vehicle comprises a first frame, first three-axis power bogies arranged at the front end and the rear end of the lower portion of the first frame and used for vehicle traveling, a ballast digging device arranged at the front end of the upper portion of the first frame, an equipment room arranged at the rear end of the upper portion of the first frame, two sets of first track traveling devices arranged between the ballast digging device and the equipment room, a first old ballast conveying belt and a first new ballast conveying belt supported on the first frame, a transfer conveying belt arranged between the first old ballast conveying belt and the ballast digging device and supported on the first track traveling device and used for conveying dug old ballasts to the first old ballast conveying belt, a new ballast hopper arranged on the first frame and connected with the first new ballast conveying belt, and a backfill conveying belt arranged below the new ballast hopper and used for bottom ballast backfilling operation.

Furthermore, the ballast digging device comprises a central revolving platform, a cab arranged on the central revolving platform, two operating arms which are connected with the central revolving platform and are arranged oppositely, a conveying belt arranged between the two operating arms, a ballast digging shovel connected with the other end of each operating arm, and a ballast digging device hinged with the ballast digging shovel, wherein the operating arms are telescopic and rotatable, and the conveying belt and the operating arms are synchronously telescopic;

the ballast raking device comprises a ballast raking roller, a first driving device for driving the ballast raking roller to rotate, a rotating shaft connected with the ballast digging shovel, a connecting rod for connecting the rotating shaft and the first driving device, and a hydraulic oil cylinder, one end of the hydraulic oil cylinder is connected with the ballast digging shovel, and the other end of the hydraulic oil cylinder is connected with the connecting rod;

when the hydraulic oil cylinder drives the ballast scraping roller to rotate to the position below the ballast digging shovel, the hydraulic oil cylinder is used for scraping the railway ballast to the front, so that the ballast digging device is in a foundation pit digging state;

when the hydraulic oil cylinder drives the ballast scraping roller to rotate to a position where the ballast scraping roller is leveled with the ballast digging shovel, the hydraulic oil cylinder is used for loosening the front hardened ballast to enable the ballast digging device to be in a loose state;

when the hydraulic oil cylinder drives the ballast digging roller to rotate to the position above the ballast digging shovel, the ballast digging roller stops rotating, the ballast digging shovel operates independently, and the operation arm drives the ballast digging shovel to operate stone ballasts to the conveying belt.

Further, the ballast digging shovel comprises a bucket, a spiral ballast pulling device arranged in the bucket, and a second driving device for driving the spiral ballast pulling device to rotate;

the operation arm comprises a fixed arm connected with the central rotary table, a telescopic arm hinged with the fixed arm, an operation arm telescopic oil cylinder driving the telescopic arm to extend or retract, and a rotating oil cylinder, wherein one end of the rotating oil cylinder is connected with the fixed arm, and the other end of the rotating oil cylinder is connected with the telescopic arm and used for driving the telescopic arm to rotate;

the conveying belt comprises a first conveying belt and a second conveying belt which is connected with the first conveying belt in a sliding mode, wherein the first conveying belt comprises a first rack, a driving roller, a rotary roller and a tensioning roller which are arranged on the first rack, a hydraulic motor for providing power for the driving roller, a first belt which sequentially winds the driving roller, the rotary roller and the tensioning roller, and a return idler roller which is arranged at the bottom of the rack;

the second conveyer belt comprises a second rack, a steering roller arranged on the second rack, a bend pulley arranged opposite to the steering roller, a carrier roller arranged on the second rack, a second belt arranged around the steering roller and the bend pulley, and a conveyer belt telescopic oil cylinder connected with the first rack and the second rack and used for pushing the second rack to stretch, wherein the steering roller is in rolling connection with the first rack.

Furthermore, the backfill conveyer belt comprises a rotation center support frame and a third belt arranged on the rotation center support frame, a leveling device is arranged at the front end of the rotation center support frame, and the leveling device comprises a ballast pushing plough and a ballast pushing plough lifting oil cylinder connected with the ballast pushing plough.

Further, the highway-railway dual-purpose railway ballast transport vehicle comprises a second frame, first unpowered two-axle bogies arranged at the front end and the rear end of the lower portion of the second frame and used for vehicle traveling, second old ballast conveyor belts arranged on the second frame and connected with the first old ballast conveyor belts, second new ballast conveyor belts arranged on the second frame and connected with the first new ballast conveyor belts, and two sets of second track traveling devices arranged on the second frame, wherein the second old ballast conveyor belts are used for conveying the excavated old ballasts to the railway ballast transport vehicle, the second new ballast conveyor belts are used for conveying the new ballasts conveyed by the railway ballast transport vehicle to the ballast replacing vehicle, and the second track traveling devices are used for vehicle traveling after the old railway ballast transport vehicle is located.

Further, the track ballast conveyor car comprises a third frame, a second unpowered three-axis bogie and a second powered three-axis bogie which are arranged at the lower part of the third frame, a first ballast storage hopper which is arranged on the third frame and used for storing new ballasts, a third old ballast conveyor belt which is arranged at the upper part of the first ballast storage hopper, and a third new ballast conveyor belt which is arranged at the lower part of the first ballast storage hopper, wherein the third old ballast conveyor belt is used for conveying the excavated old ballasts to the belt material transport vehicle, and the third new ballast conveyor belt is used for conveying the new ballasts in the first ballast storage hopper to the railway dual-purpose ballast conveyor car.

Further, the ballast supplementing vehicle comprises a fourth vehicle frame, a third unpowered three-axis bogie and a third powered three-axis bogie which are arranged on the lower portion of the fourth vehicle frame, a ballast adding belt which is arranged between the power of the fourth vehicle frame and above the power, a second ballast storage hopper, a ballast supplementing driver room and a brake room which are arranged on the fourth vehicle frame, a rail surface cleaning brush, a rough shaping plow, a ballast distributing hopper and a ballast supplementing belt which are arranged on the lower portion of the fourth vehicle frame, wherein the ballast distributing hopper and the ballast supplementing belt are used for supplementing new ballasts in the second ballast storage hopper to a turnout section, and the rail surface cleaning brush and the rough shaping plow are used for rough shaping and cleaning of a rail surface after the ballast supplementing belt unloads the ballasts.

Furthermore, the first crawler belt walking device or the second crawler belt walking device is identical in structure and comprises a crawler belt assembly, a rotating device, a vertical supporting leg assembly, a horizontal supporting leg assembly and a rotating installation fixing seat, wherein the vertical supporting leg assembly and the horizontal supporting leg assembly are telescopic and used for realizing the change of the supporting height and width of the crawler belt walking device, and the rotating device is used for controlling the running direction of the vehicle.

And the automatic identification control system controls the vertical leg assembly of the first crawler traveling device or the second crawler traveling device to adjust the supporting height according to the identified road condition information.

Compared with the prior art, the ballast replacing vehicle set for ballast replacing operation in the turnout replacing process has the beneficial effects that:

the ballast replacing vehicle set for replacing the ballast in the turnout replacing process combines the ballast replacing vehicle, the highway and railway dual-purpose ballast conveying vehicle, the rail track ballast conveying vehicle, the belt type material transport vehicle and the ballast supplementing vehicle, realizes the ballast replacing operation of the line, and does not occupy an adjacent line and an additional skylight point. The ballast replacing vehicle adapts to the width change of a turnout section through the telescopic rotation of the central revolving platform and the operation arm, so that the stone ballasts can be rapidly collected; the automatic excavation of a foundation pit and the loosening of hardened stone ballasts can be realized through the ballast raking device, and different operation functions are realized; the stone ballast is quickly conveyed through the spiral ballast raking device, so that the stone ballast is prevented from being accumulated on the bucket, and the high-efficiency excavation can be adapted; the width change of a turnout section is adapted through a new ballast hopper, a backfilling conveying belt and a leveling device, so that bottom ballasts are quickly backfilled and leveled; the synchronous operation of digging and backfilling the ballast is realized through the communicated double-layer conveyer belt, so that the efficiency is improved; the construction operation running problem after the old turnout is dismantled is solved through the crawler running device. The ballast replacing vehicle set provided by the invention has the advantages of high working efficiency, safety and reliability, and reduces the dependence on manpower.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some implementation examples of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a ballast replacing vehicle set for ballast replacing operation in a turnout replacing process, provided by the invention; fig. 2 is a schematic structural diagram of a ballast replacing vehicle in the ballast replacing vehicle group for the ballast replacing operation in the turnout replacing process shown in fig. 1;

fig. 3 is a schematic structural diagram of a ballast digging device in the ballast replacing vehicle shown in fig. 2;

fig. 4 is a schematic structural view at another angle of the ballast digging device shown in fig. 3;

FIG. 5 is a schematic view of a further angle of the ballast digging device shown in FIG. 3;

FIG. 6 is a schematic structural view of a working arm in the ballast digging device shown in FIG. 3;

FIG. 7 is a schematic structural diagram of a conveying belt in the ballast digging device shown in FIG. 3;

fig. 8 is a schematic structural diagram of a ballast digging shovel and a ballast raking device in the ballast digging device shown in fig. 3;

fig. 9 is a schematic structural view of another angle of the ballast digging shovel and the ballast raking device shown in fig. 8;

fig. 10 is a structural schematic diagram of the state 1 of the ballast digging shovel and the ballast raking device shown in fig. 8;

fig. 11 is a structural schematic diagram of a state 2 of the ballast digging shovel and the ballast raking device shown in fig. 8;

fig. 12 is a structural schematic diagram of a state 3 of the ballast digging shovel and the ballast raking device shown in fig. 8;

FIG. 13 is a schematic structural view of a first track running device in the ballast replacing vehicle shown in FIG. 2;

FIG. 14 is a schematic view of a portion of the first track running gear of FIG. 13;

FIG. 15 is a schematic view of another state of the first track running gear of FIG. 14;

FIG. 16 is a schematic view of the first track running gear of FIG. 13 with the crawler rotated by the crawler;

fig. 17 is a schematic structural diagram of a backfill conveyor belt in the ballast replacing vehicle shown in fig. 2;

FIG. 18 is a schematic view of the backfill web of FIG. 17 in a rotated state;

fig. 19 is a schematic structural diagram of a railway and highway dual-purpose railway ballast transport vehicle in the ballast replacing vehicle set for the ballast replacing operation in the turnout replacing process shown in fig. 1;

fig. 20 is a schematic structural view of a track ballast conveying vehicle in the ballast replacing vehicle group for the ballast replacing operation in the turnout replacing process shown in fig. 1;

fig. 21 is a schematic structural diagram of a ballast supplementing vehicle in the ballast replacing vehicle group for the ballast replacing operation in the turnout replacing process shown in fig. 1.

Detailed Description

In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features, and advantages of the present invention more comprehensible, specific embodiments of the present invention are described below with reference to the accompanying drawings.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Please refer to fig. 1, which is a schematic structural diagram of a ballast replacing vehicle set for ballast replacing operation in a turnout replacing process. The ballast replacing vehicle set 100 for ballast replacing operation in the turnout replacing process comprises a ballast replacing vehicle 1, a highway-railway dual-purpose ballast transport vehicle 2, a rail-mounted ballast transport vehicle 3, a belt-type material transport vehicle 4 and a ballast supplementing vehicle 5 which are sequentially connected, wherein the ballast replacing vehicle 1, the highway-railway dual-purpose ballast transport vehicle 2, the rail-mounted ballast transport vehicle 3 and the belt-type material transport vehicle 4 are marshalled to finish the excavation and bottom ballast backfilling operation of stone ballasts after the old turnout is dismantled, and the ballast supplementing vehicle 5 finishes the stone ballast backfilling and shaping operation after a new turnout is installed. The two adjacent operation vehicles are connected or unhooked through the hooking and buffering device.

Please refer to fig. 2, which is a schematic structural diagram of a ballast replacing vehicle in the ballast replacing vehicle group for the ballast replacing operation in the switch replacing process shown in fig. 1. The ballast replacing vehicle 1 comprises a first frame 11, a first three-axis power bogie 12 arranged at the front end and the rear end of the lower part of the first frame 11 and used for vehicle running, a ballast digging device 13 arranged at the front end of the upper part of the first frame 11, an equipment room 14 arranged at the rear end of the upper part of the first frame 11, two groups of first track running devices 15 arranged between the ballast digging device 13 and the equipment room 14, a first old ballast conveying belt 16 and a first new ballast conveying belt 17 supported on the first frame 11, a transfer conveying belt 18 arranged between the first old ballast conveying belt 16 and the ballast digging device 13 and supported on the first track running device 15 and used for conveying excavated old ballasts to the first old ballast conveying belt 16, a new ballast hopper 19 arranged on the first frame 11 and connected with the first new ballast conveying belt 17, a backfill conveying belt 10 arranged below the new ballast hopper 19 and used for bottom ballast backfilling operation, wherein the first new ballast conveying belt 17 is used for conveying new ballasts conveyed by the track conveying vehicle, and the slurry is transported to a new ballast hopper and then is transported to a backfill conveyer belt through a discharge opening of the new ballast hopper for bottom ballast backfill operation. According to the invention, the output flow of the new ballast hopper can be adjusted according to actual conditions, and the backfill conveyer belt can perform rotary control on the ballast unloading position so as to adapt to the width change of the turnout section and improve the operation efficiency and precision.

Please refer to fig. 3 to fig. 12 in combination, wherein fig. 3 is a schematic structural diagram of a ballast digging device in the ballast replacing vehicle shown in fig. 2; fig. 4 is a schematic structural view at another angle of the ballast digging device shown in fig. 3; FIG. 5 is a schematic view of a further angle of the ballast digging device shown in FIG. 3; FIG. 6 is a schematic structural view of a working arm in the ballast digging device shown in FIG. 3; FIG. 7 is a schematic structural diagram of a conveying belt in the ballast digging device shown in FIG. 3; fig. 8 is a schematic structural diagram of a ballast digging shovel and a ballast raking device in the ballast digging device shown in fig. 3; FIG. 9 shows the ballast digging shovel and the ballast raking device shown in FIG. 8

A schematic structural diagram at another angle; fig. 10 is a structural schematic diagram of the state 1 of the ballast digging shovel and the ballast raking device shown in fig. 8; fig. 11 is a structural schematic diagram of a state 2 of the ballast digging shovel and the ballast raking device shown in fig. 8;

fig. 12 is a structural schematic diagram of a state 3 of the ballast digging shovel and the ballast raking device shown in fig. 8. The ballast digging device 13 comprises a central revolving platform 131, a driver cab 132, two working arms 133 arranged on the central revolving platform 131, a conveyer belt 144 arranged between the two working arms 133, a ballast digging shovel 135 connected with the other end of the working arms 133, and a ballast raking device 136 connected with the ballast digging shovel 135.

The center revolving platform 131 includes a revolving center 1311, a hydraulic motor 1312 for driving the revolving center 1311 to revolve, a counterweight 1313 provided on the revolving center 1311 and disposed to face the arm 133, a heightening platform 1314 provided below the revolving center 1311, and a radiator (not shown) provided on the revolving center 11. The working arm 133 is connected with a rotation center 1311, and is driven to rotate by the rotation center; a counterweight 1313 disposed opposite to the working arm 133 for maintaining smooth operation of the swing center 1311; the heightening table 1314 is used for adjusting the height of the rotation center so that the heights of the operation arm and the conveying belt are adaptive to the working condition; the radiator is provided on the hydraulic motor 1312 side for dissipating heat generated by the hydraulic motor 1312.

The cab 132 is arranged above the rotary center table 131, and two control platforms are arranged in the cab 132, so that the sight of a driver can be forward under the ballast digging operation state or the preparation state, and the driving operation is convenient; correspondingly, the driver seat 22 is rotatable to facilitate operation of the corresponding console depending on the operating state.

The two work arms 133 are connected to the rotation center 1311, respectively, and are spaced apart from each other. The working arm 133 includes a fixed arm 1331 connected to the rotation center, a telescopic arm 1332 hinged to the fixed arm 1331, a working arm telescopic cylinder 1333 for driving the telescopic arm 1332 to extend or retract, and a rotating cylinder 1334 having one end connected to the fixed arm 1331 and the other end connected to the telescopic arm 1332 for driving the telescopic arm 1332 to rotate. The oil cylinder 1334 is rotated to enable the telescopic arm 1332 to rotate, so that the ballast digging shovel connected with the telescopic arm is driven to rotate, and therefore the ballast dug by the ballast digging shovel is transferred to the conveying belt. The working arm 133 is telescopic, so that the ballast digging device can be suitable for different working ranges.

The conveyor 134 is located between the two working arms 133, and includes a first conveyor 1341 and a second conveyor 1342 connected to the first conveyor 1341 in a sliding manner; the first conveying belt 1341 comprises a first frame 13411, a driving roller 13412, a rotary roller 13413, a tensioning roller 13414, a hydraulic motor 13415 for driving the driving roller 13412 to rotate, a first belt 13416 sequentially wound around the driving roller 13412, the rotary roller 13413 and the tensioning roller 13414, and a return idler 13417 arranged at the bottom of the frame;

the second conveyor 1342 includes a second frame 13421, a steering roller 13422 disposed on the second frame 13421, a direction-changing roller 13423 disposed opposite to the steering roller 13422, carrier rollers 13424 disposed on the second frame, a second belt 13425 disposed around the steering roller 13422 and the direction-changing roller 13423, and a conveyor stretching cylinder 13426 connecting the first frame 13411 and the second frame 13421 and used for pushing the second frame to stretch and retract.

The belt stretching cylinder 13426 pushes the second belt to stretch and contract synchronously with the stretching arm 1332.

The ballast digging shovel 135 comprises a bucket 1351, a spiral ballast-removing device 1352 arranged in the bucket 1351, and a second driving device (not shown) for driving the spiral ballast-removing device 1352 to rotate, wherein the bucket 1351 is connected with the other end of the telescopic arm 1332, and when the telescopic arm rotates, the bucket synchronously rotates, so that the ballast collected in the bucket is transferred to a conveying belt. The spiral ballast raking device can realize quick conveying of the stone ballast, prevent the stone ballast from being accumulated in the bucket and improve the excavating efficiency.

The ballast raking device 136 comprises a ballast raking roller 1361, a first driving device 1362 for driving the ballast raking roller 1361 to rotate, a rotating shaft 1363 connected with the ballast raking shovel 135, a connecting rod 1364 for connecting the rotating shaft 1363 with the first driving device 1362, and a hydraulic oil cylinder 1365 with one end connected with the ballast raking shovel 135 and the other end connected with the connecting rod 1364. The ballast raking device 136 is hinged to the ballast digging shovel 135, and the ballast raking device and the ballast digging shovel can work independently.

According to the invention, the ballast digging shovel 135 and the ballast raking device 136 are combined, so that the device can adapt to different working states, and the following concrete steps are adopted:

when the hydraulic oil cylinder 1365 drives the ballast scraping roller 1361 to rotate to the position below the ballast digging shovel 135, the hydraulic oil cylinder 1365 is used for scraping the railway ballast to the front so that the ballast digging device is in a foundation pit digging state;

when the hydraulic oil cylinder 1365 drives the ballast scraping roller 1361 to rotate to a position flush with the ballast digging shovel 135, the hydraulic oil cylinder 1365 is used for loosening the front plate ballast to enable the ballast digging device to be in a loose state;

when the hydraulic oil cylinder 1365 drives the ballast digging roller 1361 to rotate to a position above the ballast digging shovel 135, the ballast digging roller 1361 stops rotating, the ballast digging shovel 135 operates independently, and the operation arm 133 drives the ballast digging shovel to operate stone ballasts to the conveying belt.

The equipment room 14 is used for installing the related components of the power system and the brake system and is arranged at the other end of the first vehicle frame 11.

Please refer to fig. 13 to fig. 16 in combination, wherein fig. 13 is a schematic structural view of a first track running device of the ballast replacing vehicle shown in fig. 2; FIG. 14 is a schematic view of a portion of the first track running gear of FIG. 13; FIG. 15 shows a schematic view of a

Is a schematic view of another state of the first track running gear shown in fig. 14; fig. 16 is a schematic view showing a state in which the first crawler belt running device shown in fig. 13 rotates the crawler belt by the turning device. The first crawler traveling device 15 is used for traveling a vehicle after an old turnout is removed, and comprises a crawler assembly 151, a rotating device 152, a vertical leg component 153, a horizontal leg component 154 and a rotating installation fixing seat 155, wherein the vertical leg component 153 and the horizontal leg component 154 are telescopic and can be used for realizing the change of the supporting height and width of the crawler traveling device, so that the vehicle can conveniently fall and be adjusted when the vehicle is switched back to the bogie for traveling, and the first crawler traveling device is suitable for the complex working environment of the turnout section; the slewing device 152 may rotate the track assembly for controlling the direction of travel of the vehicle. In practical application, the road condition information is identified through the automatic identification control system, and the vertical leg assembly of the first crawler traveling device is controlled to adjust the supporting height, so that the vehicle can run stably; meanwhile, the automatic identification control system also has the following functions: when recognizing that the front end of the ballast digging device 13 meets an obstacle, the vehicle is stopped emergently by recognizing the pressure, so that the safe operation is guaranteed.

Please refer to fig. 17 and fig. 18 in combination, wherein fig. 17 is a schematic structural diagram of a backfill conveyor belt in the ballast replacing vehicle shown in fig. 2; fig. 18 is a schematic view showing the rotation operation state of the backfill conveyor shown in fig. 17, where (a) and (b) in fig. 18 show two different states, i.e., the state (a) is the initial state and the state (b) is the state after the backfill conveyor rotates by a certain angle. The backfill conveyer belt 10 comprises a rotary oil cylinder 105, a rotary center supporting frame 101 and a third belt 102 arranged on the rotary center supporting frame 101, wherein a leveling device 103 is arranged at the front end of the rotary center supporting frame 101, and the leveling device 103 comprises a ballast pushing plough 1031 and a ballast pushing plough lifting oil cylinder 1032 connected with the ballast pushing plough 1031. The leveling device 103 can realize height adjustment, is used for leveling backfilled bottom ballast and is convenient for the installation of a subsequent new turnout; the backfill conveying belt can rotate to control the position of ballast unloading so as to adapt to the width change of the turnout section.

Please refer to fig. 19, which is a schematic structural diagram of a railway and highway dual-purpose railway ballast transport vehicle in the ballast replacing vehicle set for the ballast replacing operation in the turnout replacing process shown in fig. 1. The highway and railway dual-purpose railway ballast transport vehicle 2 comprises a second frame 20, first unpowered two-axle bogies 21 arranged at the front end and the rear end of the lower portion of the second frame 20 and used for vehicle traveling, second old ballast conveyor belts 22 arranged on the second frame 20 and connected with first old ballast conveyor belts 16, second new ballast conveyor belts 23 arranged on the second frame 20 and connected with first new ballast conveyor belts 17, and two sets of second track traveling devices 24 arranged on the second frame 20, wherein the second old ballast conveyor belts 22 are used for conveying excavated old ballasts to the track ballast transport vehicle 3, the second new ballast conveyor belts 23 are used for conveying new ballasts conveyed by the track ballast transport vehicle 3 to the ballast replacing vehicle 1, and the second track traveling devices 24 are used for vehicle traveling after old turnouts are investigated.

The second crawler belt running device 24 has the same structure as the first crawler belt running device 15, and will not be described in detail herein.

Please refer to fig. 20, which is a schematic structural diagram of a track ballast transport vehicle in the ballast replacing vehicle set for the ballast replacing operation in the switch replacing process shown in fig. 1. The track ballast transport vehicle 3 comprises a third frame 31, a second unpowered three-axis bogie 32 and a second powered three-axis bogie 33 which are arranged on the lower portion of the third frame 31, a first ballast storage hopper 34 which is arranged on the third frame 31 and used for storing new ballasts, a third old ballast conveyor belt 35 which is arranged on the upper portion of the first ballast storage hopper 34, and a third new ballast conveyor belt 36 which is arranged on the lower portion of the first ballast storage hopper, wherein the third old ballast conveyor belt 35 is used for conveying the excavated old ballasts to the belt type material transport vehicle, and the third new ballast conveyor belt 36 is used for conveying the new ballasts in the first ballast storage hopper 34 to the rail/road ballast transport vehicle 2.

In addition, the lower portion of the third frame 31 is also provided with a diesel tank, a power system and auxiliary systems, a hydraulic tank, an electric control cabinet and other components.

In the present invention, the belt type material transporting vehicle 4 is a WY-100 belt type material transporting vehicle, and the structure thereof is referred to the prior art and is not described herein again.

Please refer to fig. 21, which is a schematic structural diagram of a ballast supplementing vehicle in the ballast replacing vehicle group for the ballast replacing operation in the switch replacing process shown in fig. 1. The ballast supplementing vehicle 5 comprises a fourth vehicle frame 51, a third unpowered three-axis bogie 52 and a third powered three-axis bogie 53 which are arranged at the lower part of the fourth vehicle frame 51, a power room 54 which is arranged on the fourth vehicle frame 51, a ballast adding belt 55 which is arranged above the power room 54, a second ballast storage hopper 56, a ballast supplementing driver room 57 and a brake room 58 which are arranged on the fourth vehicle frame 51, a rail surface sweeping brush 59 which is arranged at the lower part of the fourth vehicle frame 51, a coarse shaping plow 50, a ballast dividing hopper 501 and a ballast supplementing belt 502, wherein the ballast dividing hopper 501 and the ballast supplementing belt 502 are used for supplementing new ballasts in the second ballast storage hopper 56 to a turnout section, and the rail surface sweeping brush 59 and the coarse shaping plow 50 are used for coarse shaping and cleaning the ballast after the ballast supplementing belt unloads. The ballast supplementing belt 502 is similar to the backfill conveying belt 10 in structure, and can perform rotary control on the ballast unloading position so as to adapt to the width change of the turnout section. In addition, the lower portion of the fourth frame 51 is also mounted with components such as a fuel tank, a hydraulic oil tank, and an electrical control cabinet.

The ballast replacing vehicle group for replacing the ballast in the turnout replacing process can realize multi-vehicle operation synchronization and safe construction through the electric hydraulic control and monitoring system during operation, has high working efficiency, is safe and reliable, and reduces the dependence on manpower.

The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be appreciated by those skilled in the art that changes may be made in this embodiment without departing from the principles and spirit of the invention

Many changes, modifications, substitutions and alterations to these embodiments are intended to be within the scope of the present invention.