1. The utility model provides a dolly device for hydraulic ship unloader, its characterized in that includes dolly, wire rope system, track and hoist engine, the hoist engine is fixed in ship unloader cantilever crane rear end, the track is fixed in cantilever crane anterior segment below, the frame of dolly can be along rail motion, the frame is equipped with the slush pump of connection above that, wire rope system includes wire rope, assembly pulley, ratchet, winding behind the assembly pulley on the hoist engine of wire rope's one end, and the other end is connected on ratchet, ratchet connects on the dolly, drives wire rope through the hoist engine and makes the dolly can be along rail motion to drive slush pump along cantilever crane steady motion.

2. The trolley device for the hydraulic ship unloader as claimed in claim 1, wherein the trolley comprises a first trolley frame, a second trolley frame, wheels and an axle, the first trolley frame and the second trolley frame are connected with the ship unloader arm support rail through the wheels to form rolling friction, the wheels are connected with the axle through bearings, and the bearings are fixed on the axle through check rings to form a trolley group; the first trolley frame and the second trolley frame are fixed together through a first bolt, a first nut and a first pin shaft, a gasket is arranged between the first trolley frame and the second trolley frame, the first pin shaft positions the first trolley frame and the second trolley frame into a whole through a shaft sleeve, a shaft end baffle plate fixes the shaft sleeve on the first pin shaft through a screw, the trolley and a slurry pump hanging frame are connected together through a second pin shaft, and the slurry pump hanging frame reciprocates on a track along with the trolley.

3. The cart device for hydraulic ship unloader as claimed in claim 2, wherein the number of the cart wheel sets is 8, and the cart wheel sets are divided into 4 pairs, and are arranged in bilateral symmetry and welded to the first cart frame and the second cart frame respectively to form two symmetrical parts.

4. The trolley device for a hydraulic ship unloader of claim 2, wherein the wire rope comprises an upper wire rope and a lower wire rope, and the ratchet mechanism comprises a front pawl, a front ratchet, a rear pawl;

one end of an upper steel wire rope is wound on the winch in the forward direction, the other end of the upper steel wire rope bypasses the pulley block and is inserted into a shaft hole of the front ratchet wheel, the front ratchet wheel is fastened on the front ratchet wheel shaft through a set screw and a second nut, the front ratchet wheel penetrates through the first trolley frame and the second trolley frame through the ratchet wheel shaft of the front ratchet wheel, and the front ratchet wheel is positioned on the first trolley frame through a shaft end baffle plate, a second bolt and a third gasket; the front pawl is positioned on the second trolley frame through a third bolt, a third nut and a washer according to the matching position of the front pawl and the front ratchet wheel, and after the length of the upper steel wire rope is adjusted, a positioning pin is inserted into a positioning hole of the front pawl to be anchored;

one end of the lower steel wire rope is reversely wound on the winch, the other end of the lower steel wire rope bypasses the pulley block and is inserted into a shaft hole of the rear ratchet wheel, the rear ratchet wheel is fastened on a rear ratchet wheel shaft, the rear ratchet wheel penetrates through the first trolley frame and the second trolley frame through the ratchet wheel shaft of the rear ratchet wheel and is positioned on the first trolley frame, the rear pawl is positioned on the second trolley frame according to the matching position of the rear pawl and the rear ratchet wheel, and after the length of the lower steel wire rope is adjusted, the positioning pin is inserted into a positioning hole of the rear pawl and is anchored.

5. The trolley apparatus for a hydraulic ship unloader of claim 1, wherein the rail comprises an i-steel and end plates welded to both ends of the i-steel, the end plates being for preventing derailment of the trolley.

6. The trolley device for the hydraulic ship unloader according to claim 1, wherein the winch comprises a winding drum, a speed reduction motor, a rain cover and a base; the speed reducing motor is used for providing power for the winding drum, winding and unwinding the steel wire rope wound on the speed reducing motor, and the winding drum, the speed reducing motor and the rain cover are fixed at the rear end of the arm support of the ship unloader through the base.

Background

The flow ship unloader is a terminal device of a large bulk cargo wharf, plays an increasingly important role in industries such as energy, electric power, metallurgy, harbors and the like, and directly determines the production capacity of the wharf. The 'rotary hydraulic ship unloader' with the publication number of CN106429532A discloses a novel ship unloader which can adapt to the ship unloading operation of materials with fine particles, high moisture and large density and solve the problems of poor environmental protection and long ship unloading period in the prior art.

The trolley device in the ship unloader is a main mechanism of the mobile ship unloader, executes the material taking transposition function of the slurry pump, and the moving function of the trolley device is realized by the mutual matching of the trolley mechanism, the steel wire rope system, the trolley track and the winch. The conventional mobile ship unloader generally adopts an integral type arm support, the arm support does not have a telescopic function, a trolley device is not arranged on the arm support, transposition material taking can be realized only through a swing mechanism, a material taking point cannot cover the whole cabin, materials on the ship cannot be completely cleared, and the ship unloading efficiency is influenced to a great extent.

Therefore, the invention provides a new device which has high reliability and simple structure and can realize that the mud pump can completely cover the whole cabin, which becomes a technical problem to be solved urgently.

Disclosure of Invention

In view of the above-mentioned technical problems, a cart device for a hydraulic ship unloader is provided. The technical means adopted by the invention are as follows:

the utility model provides a dolly device for hydraulic ship unloader, includes dolly, wire rope system, track and hoist engine, the hoist engine is fixed in ship unloader cantilever crane rear end, the track is fixed in cantilever crane anterior segment below, the frame of dolly can be along rail motion, the frame is equipped with the slush pump of connection above that, the wire rope system includes wire rope, assembly pulley, ratchet, the winding is on the hoist engine after the assembly pulley is walked around to wire rope's one end, and the other end is connected on ratchet, ratchet connects on the dolly, drives wire rope through the hoist engine and makes the dolly can be along orbital motion to drive slush pump along cantilever crane stationary motion.

The trolley comprises a first trolley frame, a second trolley frame, wheels and an axle, wherein the first trolley frame and the second trolley frame are connected with an arm support rail of the ship unloader through the wheels to form rolling friction; the first trolley frame and the second trolley frame are fixed together through a first bolt, a first nut and a first pin shaft, a gasket is arranged between the first trolley frame and the second trolley frame, the first pin shaft positions the first trolley frame and the second trolley frame into a whole through a shaft sleeve, a shaft end baffle plate fixes the shaft sleeve on the first pin shaft through a screw, the trolley and a slurry pump hanging frame are connected together through a second pin shaft, and the slurry pump hanging frame reciprocates on a track along with the trolley.

Furthermore, the number of the wheel sets is 8, the wheel sets are divided into 4 pairs, and the wheel sets are symmetrically arranged on the left and right and are respectively welded with the first trolley frame and the second trolley frame to form two symmetrical parts.

Further, the steel wire rope comprises an upper steel wire rope and a lower steel wire rope, and the ratchet mechanism comprises a front pawl, a front ratchet wheel, a rear ratchet wheel and a rear pawl;

one end of an upper steel wire rope is wound on the winch in the forward direction, the other end of the upper steel wire rope bypasses the pulley block and is inserted into a shaft hole of the front ratchet wheel, the front ratchet wheel is fastened on the front ratchet wheel shaft through a set screw and a second nut, the front ratchet wheel penetrates through the first trolley frame and the second trolley frame through the ratchet wheel shaft of the front ratchet wheel, and the front ratchet wheel is positioned on the first trolley frame through a shaft end baffle plate, a second bolt and a third gasket; the front pawl is positioned on the second trolley frame through a third bolt, a third nut and a washer according to the matching position of the front pawl and the front ratchet wheel, and after the length of the upper steel wire rope is adjusted, a positioning pin is inserted into a positioning hole of the front pawl to be anchored;

one end of the lower steel wire rope is reversely wound on the winch, the other end of the lower steel wire rope bypasses the pulley block and is inserted into a shaft hole of the rear ratchet wheel, the rear ratchet wheel is fastened on a rear ratchet wheel shaft, the rear ratchet wheel penetrates through the first trolley frame and the second trolley frame through the ratchet wheel shaft of the rear ratchet wheel and is positioned on the first trolley frame, the rear pawl is positioned on the second trolley frame according to the matching position of the rear pawl and the rear ratchet wheel, and after the length of the lower steel wire rope is adjusted, the positioning pin is inserted into a positioning hole of the rear pawl and is anchored.

Further, the track comprises I-shaped steel and end plates welded at two ends of the I-shaped steel, and the end plates are used for preventing the trolley from derailing.

Further, the winch comprises a winding drum, a speed reducing motor, a rain cover and a base; the speed reducing motor is used for providing power for the winding drum, winding and unwinding the steel wire rope wound on the speed reducing motor, and the winding drum, the speed reducing motor and the rain cover are fixed at the rear end of the arm support of the ship unloader through the base.

The invention has the following advantages:

1. compared with the traditional mobile ship unloader, the mobile ship unloader is additionally provided with the trolley running mechanism, and the full cabin position coverage of the slurry pump can be realized by the motion of the slurry pump along the direction of the arm support and the rotation motion of the ship unloader. The covering area of the material taking points in the cabin is enlarged.

2. The device has simple structure, low failure rate and light weight.

3. The manufacturing cost is low, and the maintenance and replacement cost is low.

4. The ship unloading efficiency is high, the mud pump completely covers the whole cabin, the purposes of high-efficiency ship unloading and quick cabin cleaning are achieved, and the mud pump is a very good choice for the mobile ship unloader.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the operation of a cart device according to an embodiment of the present invention.

FIG. 2 is a schematic view of a cart device according to an embodiment of the present invention.

FIG. 3 is a front view of the cart in an embodiment of the present invention.

FIG. 4 is a cross-sectional view of a cart in an embodiment of the present invention.

Fig. 5 is a diagram of a wire rope system in an embodiment of the present invention.

FIG. 6 is an assembly view of the ratchet pawl of the present invention.

FIG. 7 is a diagram of a ratchet according to an embodiment of the present invention.

Fig. 8 is a schematic view of a hoist according to an embodiment of the present invention.

In the figure: 1. a trolley; 2. a wire rope system; 3. a track; 4. a winch; 1.1, a first trolley frame; 1.2, a second trolley frame; 1.3, vehicle wheels; 1.4, an axle; 1.5, a bearing; 1.6, a check ring; 1.7, a first bolt; 1.8, a first nut; 1.9, a first gasket; 1.10, a first pin shaft; 1.11, shaft sleeve; 1.12, a shaft end baffle; 1.13, a second gasket; 1.14, screws; 1.15, a second pin shaft; 2.1, an upper steel wire rope; 2.2, a steel wire rope is arranged below the steel wire rope; 2.3, tightening a screw; 2.4, a second nut; 2.5, pulley blocks; 2.6, front pawl; 2.7, front ratchet wheel; 2.8, a rear ratchet wheel; 2.9, a rear pawl; 2.10, a shaft end baffle; 2.11, a second bolt; 2.12, a third gasket; 2.13, a third bolt; 2.14, a third nut; 2.15, a fourth gasket; 2.16, positioning pins; 4.1, winding drum; 4.2, a speed reducing motor; 4.3, a rain cover; 4.4, a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the embodiment of the invention discloses a trolley device for a hydraulic ship unloader, which comprises a trolley 1, a steel wire rope system 2, a track 3 and a winch 4, wherein the winch 4 is fixed at the rear end of an arm support of the ship unloader, the track 3 is fixed below the front section of the arm support, a frame of the trolley 1 can move along the track 3, the frame is provided with a mud pump connected to the frame, the steel wire rope system 2 comprises a steel wire rope, a pulley block 2.5 and a ratchet mechanism, one end of the steel wire rope is wound on the winch 4 after bypassing the pulley block, the other end of the steel wire rope is connected to the ratchet mechanism, the ratchet mechanism is connected to the trolley 1, and the trolley can move along the track by driving the steel wire rope through the winch 4, so that the mud pump.

Specifically, as shown in fig. 3 and 4, the first trolley frame 1.1 and the second trolley frame 1.2 are connected with the ship unloader arm frame rail 4 through the wheels 1.3 to form rolling friction, the wheels 1.3 are connected with the axle 1.4 through the bearings 1.5, and the bearings 1.5 are fixed on the axle 1.4 through the retaining rings 1.6 to form a wheel set. The number of the wheel sets is 8, the wheel sets are divided into 4 pairs, the wheel sets are symmetrically arranged in the left-right direction and are respectively welded with the first trolley frame 1.1 and the second trolley frame 1.2 to form two symmetrical parts, the first trolley frame 1.1 and the second trolley frame 1.2 are fixed together through a first bolt 1.7 and a pin shaft 1.10, and the first bolt 1.7 and the first washer 1.9 are fixed between the first trolley frame and the second trolley frame. The first pin shaft 1.10 positions the first trolley frame 1.1 and the second trolley frame 1.2 into a whole through the shaft sleeve 1.11, the shaft sleeve 1.11 is fixed on the pin shaft 1.10 through the screw 1.14 by the shaft end baffle 1.12, the second gasket 1.13 is arranged between the shaft end baffle and the shaft end baffle, the trolley 1 and the slurry pump hanging frame are connected together through the pin shaft 1.15, and the slurry pump hanging frame moves on the track 4 in a reciprocating mode along with the trolley 1.

As shown in fig. 5 to 7, the steel wire rope comprises an upper steel wire rope 2.1 and a lower steel wire rope 2.2, and the ratchet mechanism comprises a front pawl 2.6, a front ratchet 2.7, a rear ratchet 2.8 and a rear pawl 2.9; one end of the upper steel wire rope 2.1 is wound on the winch 4 in the forward direction, the other end of the upper steel wire rope is inserted into a shaft hole of the front ratchet wheel 2.7 by bypassing the pulley block 2.5, and the upper steel wire rope is fastened on a shaft of the front ratchet wheel 2.7 by a set screw 2.3 and a second nut 2.4. The front ratchet 2.7 is positioned on the first carriage 1.1 by its ratchet shaft through the first carriage 1.1 and the second carriage 1.2, by the shaft end baffle 2.10, the second bolt 2.11 and the third washer 2.12. The front pawl 2.6 is positioned on the second trolley frame 1.2 through a third bolt 2.13, a third nut 2.14 and a fourth washer 2.15 according to the matching position with the front ratchet wheel 2.7, and after the length of the upper steel wire rope 2.1 is adjusted, a positioning pin 2.16 is inserted into a positioning hole of the front pawl 2.6 for anchoring. Similarly, one end of the lower steel wire rope 2.2 is reversely wound on the winch 4, and the other end of the lower steel wire rope is inserted into the shaft hole of the rear ratchet wheel 2.8 by bypassing the pulley block 2.5 and is fastened on the shaft of the rear ratchet wheel 2.8 by a set screw and a nut. The rear ratchet 2.8 passes through the first carriage 1.1 and the second carriage 1.2 through its ratchet shaft and is positioned on the first carriage 1.1 through a shaft end baffle, a bolt and a washer. The rear pawl 2.9 is positioned on the second trolley frame 1.2 through a bolt, a nut and a washer according to the matching position of the rear pawl and the rear ratchet wheel 2.8, and after the length of the lower steel wire rope 2.2 is adjusted, a positioning pin is inserted into a positioning hole of the rear pawl 2.9 to be anchored.

The rail 3 consists of I-steel 3.1, end plates 3.2 and the like. The end plates 3.2 are welded at two ends of the I-shaped steel 3.1 to prevent the trolley 1 from derailing, and the I-shaped steel 3.1 is welded below the front section of the arm support.

As shown in fig. 8, the winding machine 4 is composed of a winding drum 4.1, a speed reduction motor 4.2, a rain cover 4.3, a base 4.4 and the like. The upper steel wire rope 2.1 and the lower steel wire rope 2.2 are wound on the winding drum 4.1 in opposite directions, the speed reducing motor 4.2 provides power for the winding drum 4.1, the upper steel wire rope 2.1 and the lower steel wire rope 2.2 are wound and unwound, and the winding drum 4.1, the speed reducing motor 4.2 and the rain cover 4.3 are fixed at the rear end of the arm support of the ship unloader through the base 4.4.

The specific working principle of the invention is as follows: the winch 4 is fixed at the rear end of the ship unloader arm support through the base 4.4, and the track 3 is welded at the front end of the ship unloader arm support. The trolley 1 is hung below the track 3 through the wheels 1.3, so that the wheels 1.3 can flexibly move in the grooves of the I-shaped steel 3.1, the trolley 1 is driven to reciprocate along the track 3, the trolley 1 drives the mud pump below to move together, and the position of a material taking point is changed. One end of the upper steel wire rope 2.1 is wound on the winch 4 in the forward direction, the other end of the upper steel wire rope is inserted into a front ratchet wheel 2.7 shaft hole of the trolley 1 by bypassing the pulley block 2.5 and is fastened on the front ratchet wheel 2.7 shaft by the set screw 2.3, and the second nut 2.4 is screwed on the set screw 2.3 to realize looseness prevention. Similarly, one end of the lower steel wire rope 2.2 is reversely wound on the winch 4, the other end of the lower steel wire rope bypasses the pulley block 2.5 and is inserted into and fixed in a rear ratchet wheel 2.8 shaft hole of the trolley 1, and the rear ratchet wheel 2.8 shaft is fastened by a set screw, and a nut is screwed on the set screw to realize looseness prevention. The front ratchet wheel 2.7 is rotated to tension the upper steel wire rope 2.1, and after the tension requirement is met, the positioning pin 2.16 is inserted into the positioning hole of the front pawl 2.6 to be anchored so as to prevent the front pawl 2.6 from jumping. Meanwhile, the rear ratchet wheel 2.8 is rotated to tension the lower steel wire rope 2.2, and after the tensioning requirement is met, the positioning pin is inserted into the positioning hole of the rear pawl 2.9 to be anchored so as to prevent the rear pawl 2.9 from jumping.

The specific action mode of the trolley is as follows: when the mud pump moves forwards along the arm support to change the material taking position, the winch 4 rotates clockwise, the upper steel wire rope 2.1 takes up the rope, meanwhile, the lower steel wire rope 2.2 takes off the rope, the upper steel wire rope 2.1 drives the trolley 1 to move forwards along the arm support, and the lower steel wire rope 2.2 plays a role in stabilizing the speed of the trolley, so that the mud pump is driven to move forwards stably along the arm support. When the mud pump moves backwards along the arm support to change the material taking position, when the winch 4 rotates anticlockwise, the lower steel wire rope 2.2 is taken up, meanwhile, the upper steel wire rope 2.1 is paid off, the lower steel wire rope 2.2 drives the trolley 1 to move backwards along the arm support, and the upper steel wire rope 2.1 plays a role in stabilizing the speed of the trolley, so that the mud pump is driven to move backwards stably along the arm support. The motion of the mud pump along the direction of the arm support is matched with the rotary motion of the ship unloader, so that the full cabin position coverage of the mud pump can be realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.