1. An in situ test device for rock stratum surface adhesion force is characterized in that: including the bottom be equipped with the frame of gyro wheel, locate the rock mass collection system in the frame and adjust the strutting arrangement of rock mass collection system position, rock mass collection system includes shearing tool bit, drive shearing tool bit's drive component, be located shearing tool bit and drive component between hug closely from top to bottom last shearing frame and lower shearing frame, go up shearing frame and strutting arrangement fixed connection, lower shearing mechanism is connected with strutting arrangement through the electric putter that the level was arranged, still includes laser sight, the transmission line of laser sight is on a parallel with the central line of last shearing frame and lower shearing frame.

2. The in situ formation face adhesion testing apparatus of claim 1, wherein: the cutting tool bit is disc-shaped, the outer edge and the inner edge of the cutting tool bit are uniformly distributed with cutter teeth, the front side of the cutting tool bit is fully distributed with conical crushing teeth, and the tool rest is fixedly connected with the lower cutting frame.

3. The in situ formation face adhesion testing apparatus of claim 2, wherein: the inner peripheries of the upper shearing frame and the lower shearing frame are respectively provided with cutter teeth matched with the inner periphery of the cutter frame.

4. The in situ formation face adhesion testing apparatus of claim 3, wherein: the upper shearing frame and the lower shearing frame are in an outer square inner circle shape after being abutted vertically, the cutter teeth extend along the length direction of the upper shearing frame and the lower shearing frame, and the cutter teeth are in a barb shape.

5. The in situ formation face adhesion testing apparatus of claim 2, wherein: the driving component comprises a transmission rod, a motor and a rotating frame, one end of the transmission rod is fixedly connected with one side of the tool rest in an inserting mode, the other end of the transmission rod is fixedly connected with the rotating frame in an inserting mode, a circular through groove is formed in the middle of the rotating frame, teeth are circumferentially arranged on the inner edge of the circular through groove, the motor is arranged on the outer side of the upper shearing frame, the output end of the motor is connected with a gear, and the gear is meshed with the teeth.

6. The in situ formation face adhesion test equipment of claim 5, wherein: one side of the rotating frame is provided with an annular limiting frame, the annular limiting frame is rotatably connected to the corresponding side of the supporting device, and the inner side of the upper shearing frame is fixedly connected with the supporting device through the fixing seat to penetrate through the circular through groove.

7. The in situ formation face adhesion test equipment of claim 6, wherein: the supporting device comprises a supporting seat, a first hydraulic jack and a second hydraulic jack, the first hydraulic jack and the second hydraulic jack are arranged in the front and at the back, the bottom of the rack is arranged at the first hydraulic jack and the second hydraulic jack, the first hydraulic jack and the second hydraulic jack are respectively hinged with the supporting seat through connecting blocks, sliding grooves which are vertically arranged are formed in two sides of the rack, sliding blocks are arranged on two sides of the supporting seat, and the sliding blocks are limited to slide in the sliding grooves.

8. The in situ formation face adhesion testing apparatus of claim 1, wherein: the electric shearing mechanism is characterized by further comprising a limiting component, wherein the limiting component comprises a limiting frame and a bolt piece, a limiting groove is formed in the limiting frame, the bolt piece comprises a screw rod and a bolt, the screw rod and the bolt are fixedly arranged on the side faces of the upper shearing frame and the lower shearing frame respectively, the length of the limiting groove is larger than the distance between the screw rods on the two sides of the same side, the bolt is in threaded connection with the screw rod and tightly buckles the limiting frame on the side faces of the upper shearing frame and the lower shearing frame, the output end of the electric push rod is connected with a moving block, a groove is formed in the corresponding side of the lower shearing frame, the length of the groove is larger than that of the moving.

9. Use of the in situ formation face adhesion testing apparatus according to any one of claims 1 to 8, wherein: it comprises the following steps.

(A) Measuring the horizontally distributed rock layer boundary:

s1, measuring a rock stratum boundary through a laser sight, synchronously starting a first lifting hydraulic jack and a second lifting hydraulic jack, and jacking a supporting seat until the rock stratum boundary is parallel to the joint of the upper shearing frame and the lower shearing frame;

s2, moving the rack to a rock stratum and turning on a motor, wherein the motor drives the gear to match with the tooth transmission rotating rack through a driving gear, further drives the rack to rotate through a transmission rod, the rack is slowly moved towards the rock stratum, and the cutter head drives the upper shearing rack and the lower shearing rack to be driven into the rock stratum and samples are collected into the shearing rack and the lower shearing rack;

and S3, when the specified depth is reached, the first hydraulic jack and the second hydraulic jack are used for synchronously ascending to provide pressure upwards, so that the rotary cutter head and the rock body are subjected to vertical shearing damage, a required test block required to be obtained in the test is separated from the original soil body, and the whole machine is pulled outwards to form a part.

And S4, starting the electric push rod to apply force to the lower shearing frame step by step until the rock mass is completely sheared and damaged.

(B) The method comprises the following steps Measuring the obliquely distributed rock layer boundary:

s1, measuring the rock stratum boundary through the laser sighting device, starting a first hydraulic jack or a second hydraulic jack to lift, and inclining the jacking supporting seat until the rock stratum boundary is parallel to the joint of the upper shearing frame and the lower shearing frame;

s2, moving the rack to a rock stratum and turning on a motor, wherein the motor drives the gear to match with the tooth transmission rotating rack through a driving gear, further drives the rack to rotate through a transmission rod, the rack is slowly moved towards the rock stratum, and the cutter head drives the upper shearing rack and the lower shearing rack to be driven into the rock stratum and samples are collected into the shearing rack and the lower shearing rack;

and S3, when the specified depth is reached, the first hydraulic jack and the second hydraulic jack are used for synchronously ascending to provide pressure upwards, so that the rotary cutter head and the rock body are subjected to vertical shearing damage, a required test block required to be obtained in the test is separated from the original soil body, and the whole machine is pulled outwards to form a part.

And S4, starting the electric push rod to apply force to the lower shearing frame step by step until the rock mass is completely sheared and damaged.

Background

In the industries of mining, tunnels, roadways, side slopes and the like, rock burst is a common dynamic destruction phenomenon in the construction process of deep-buried underground engineering, when high elastic strain energy accumulated in a rock mass is larger than energy consumed by rock destruction, the balance of the rock mass structure is destroyed, and rock burst is caused by redundant energy, so that rock fragments are stripped and burst from the rock mass, especially interlayer transverse destruction, and transverse force between rock strata is very large when landslide occurs, so that the method is very critical to know the size of rock stratum cohesive force, and a rock stratum cohesive force and tensile force testing instrument can be used for detecting the disaster in advance.

In order to solve the problems, the scheme is developed accordingly.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides rock stratum bonding force in-situ test equipment and a rock stratum bonding force in-situ test method, which solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rock stratum aspect adhesion force normal position test equipment and method, includes that the bottom is equipped with the frame of gyro wheel, locates rock mass collection system in the frame and adjusts the strutting arrangement of rock mass collection system position (upper and lower, the angular position of slope), rock stratum collection system includes the drive component of shearing tool bit, drive shearing tool bit, is located the last shearing frame and the lower shearing frame of hugging closely from top to bottom between shearing tool bit and the drive component, go up shearing frame and strutting arrangement fixed connection, lower shearing mechanism is connected with strutting arrangement through the electric putter of horizontal arrangement, still includes the laser sight, the transmission line of laser sight is on a parallel with the central line of last shearing frame and lower shearing frame.

Preferably, the shearing tool bit is disc-shaped, the outer edge and the inner edge of the shearing tool bit are uniformly distributed with tool teeth, the front side of the shearing tool bit is fully distributed with conical crushing teeth, and the tool rest is fixedly connected with the lower shearing frame.

Preferably, the inner peripheries of the upper shearing frame and the lower shearing frame are respectively provided with cutter teeth matched with the inner periphery of the cutter frame.

Preferably, the upper cutting frame and the lower cutting frame are in an outer square and inner circle shape after being abutted vertically and vertically, the cutter teeth extend along the length direction of the upper cutting frame and the lower cutting frame, and the cutter teeth are in a barb shape.

Preferably, the driving member comprises a transmission rod, a motor and a rotating frame, one end of the transmission rod is fixedly connected with one side of the tool rest in an inserting mode, the other end of the transmission rod is fixedly connected with the rotating frame in an inserting mode, a circular through groove is formed in the middle of the rotating frame, teeth are circumferentially arranged on the inner edge of the circular through groove, the motor is arranged on the outer side of the upper shearing frame, the output end of the motor is connected with a gear, and the gear is meshed with the teeth.

Preferably, one side of the rotating frame is provided with an annular limiting frame which is rotatably connected to the corresponding side of the supporting device, and the inner side of the upper shearing frame is fixedly connected with the supporting device by passing through the circular through groove through the fixing seat.

Preferably, the supporting device comprises a supporting seat, a first hydraulic jack and a second hydraulic jack, the first hydraulic jack and the second hydraulic jack are arranged in the front and at the back, the first hydraulic jack and the second hydraulic jack are arranged at the bottom of the rack, the output ends of the first hydraulic jack and the second hydraulic jack are hinged with the supporting seat through connecting blocks respectively, sliding grooves which are vertically arranged are formed in two sides of the rack, sliding blocks are arranged on two sides of the supporting seat, and the sliding blocks are limited to slide in the sliding grooves.

Preferably, the electric shearing device further comprises a limiting component, the limiting component comprises a limiting frame and a bolt piece, a limiting groove is formed in the limiting frame, the bolt piece comprises a screw rod and a bolt which are fixedly arranged on the side faces of the upper shearing frame and the lower shearing frame respectively, the length of the limiting groove is larger than the distance between the screw rods on the two sides of the same side, the bolt is in threaded connection with the screw rod and tightly buckles the limiting frame on the side faces of the upper shearing frame and the lower shearing frame, the output end of the electric push rod is connected with a moving block, a groove is formed in the corresponding side of the lower shearing frame, the length of the groove is larger than that of the moving block, and the moving direction of the moving block is limited to be only the vertical direction.

A method for using in-situ formation face adhesion testing equipment comprises the following steps.

(A) Measuring the horizontally distributed rock layer boundary:

s1, measuring a rock stratum boundary through a laser sight, synchronously starting a first lifting hydraulic jack and a second lifting hydraulic jack, and jacking a supporting seat until the rock stratum boundary is parallel to the joint of the upper shearing frame and the lower shearing frame;

s2, moving the rack to a rock stratum and turning on a motor, wherein the motor drives the gear to match with the tooth transmission rotating rack through a driving gear, further drives the rack to rotate through a transmission rod, the rack is slowly moved towards the rock stratum, and the cutter head drives the upper shearing rack and the lower shearing rack to be driven into the rock stratum and samples are collected into the shearing rack and the lower shearing rack;

and S3, when the specified depth is reached, the first hydraulic jack and the second hydraulic jack are used for synchronously ascending to provide pressure upwards, so that the rotary cutter head and the rock body are subjected to vertical shearing damage, a required test block required to be obtained in the test is separated from the original soil body, and the whole machine is pulled outwards to form a part.

And S4, starting the electric push rod to apply force to the lower shearing frame step by step until the test data in the complete shearing and damaging process of the rock mass are directly transmitted to a display screen (external connection) by a data line to be displayed.

(B) The method comprises the following steps Measuring the obliquely distributed rock layer boundary:

s1, measuring the rock stratum boundary through the laser sighting device, starting a first hydraulic jack or a second hydraulic jack to lift, and inclining the jacking supporting seat until the rock stratum boundary is parallel to the joint of the upper shearing frame and the lower shearing frame;

s2, moving the rack to a rock stratum and turning on a motor, wherein the motor drives the gear to match with the tooth transmission rotating rack through a driving gear, further drives the rack to rotate through a transmission rod, the rack is slowly moved towards the rock stratum, and the cutter head drives the upper shearing rack and the lower shearing rack to be driven into the rock stratum and samples are collected into the shearing rack and the lower shearing rack;

and S3, when the specified depth is reached, the first hydraulic jack and the second hydraulic jack are used for synchronously ascending to provide pressure upwards, so that the rotary cutter head and the rock body are subjected to vertical shearing damage, a required test block required to be obtained in the test is separated from the original soil body, and the whole machine is pulled outwards to form a part.

And S4, starting the electric push rod to apply force to the lower shearing frame step by step until the test data in the complete shearing and damaging process of the rock mass are directly transmitted to a display screen (external connection) by a data line to be displayed.

Advantageous effects

After adopting the technical scheme, compared with the prior art, the invention has the following advantages: according to the rock stratum surface adhesion force in-situ test device and method, when in-situ measurement is carried out, the rock stratum surface adhesion force tester is convenient to carry, simple to operate, more suitable for field operation, and capable of rapidly measuring the adhesion force of rock stratum junctions distributed horizontally and the adhesion force of rock stratum junctions distributed obliquely.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded side view of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is another exploded view of the present invention;

FIG. 5 is a simplified schematic illustration of a formation according to the present invention;

FIG. 6 is a schematic view of the tool post for formation modification of the present invention;

fig. 7 is a schematic diagram of a modified rear drive element of a rock formation according to the present invention.

In the figure: the rock mass collecting device comprises a rack 1, a rock mass collecting device 2, a tool rest 21, a driving component 22, a transmission rod 221, a motor 222, a 223 rotating frame, an upper shearing frame 23, a lower shearing frame 24, a supporting device 3, a supporting seat 31, a first hydraulic jack 32, a second hydraulic jack 33, an electric push rod 4, a cutter tooth 5, a crushing tooth 6, a circular through groove 7, a tooth 8, a gear 9, an annular limiting frame 10, a fixed seat 11, a sliding groove 12, a sliding block 13, a limiting component 14, a limiting frame 141, a screw rod 142, a bolt 143, a limiting groove 15, a groove 16, a movable block 17, a gear 18 in size, a chain 19 and a hexagonal toothed rod 20.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1-5: the utility model provides a rock stratum aspect adhesion force normal position test equipment and method, including the frame 1 that the bottom is equipped with the gyro wheel, locate rock mass collection system 2 and the strutting arrangement 3 of adjusting rock mass collection system 2 position on frame 1, rock mass collection system 2 includes the shearing tool bit, drive shearing tool bit's drive member 22, be located shearing tool bit and drive member 22 between the upper and lower shearing frame 23 and the lower shearing frame 24 of hugging closely, upper shearing frame 23 and strutting arrangement 3 fixed connection, lower shearing mechanism is connected with strutting arrangement 3 through the electric putter 4 of horizontal arrangement, still include the laser sight, the emission line of laser sight is on a parallel with the central line of upper shearing frame 23 and lower shearing frame 24.

The shearing tool bit comprises a tool rest 21, wherein tool teeth 5 are distributed on the outer periphery and the inner periphery of the tool rest 21, and crushing teeth 6 are arranged on the front side of the tool rest. The inner peripheries of the upper cutting frame 23 and the lower cutting frame 24 are respectively provided with cutter teeth 5 matched with the inner periphery of the cutter frame 21.

The front end of the lower cutting frame 24 is fixedly connected with the cutter frame 21, and the upper cutting frame 23 is not connected with the cutter frame 21, so that the cutter frame 21 can move along with the lower cutting frame 24 in the horizontal direction.

Wherein the upper and lower sides of the upper and lower shearing frames are connected in an outer square and inner circle manner, the cutter teeth extend along the length direction of the upper and lower shearing frames, and the cutter teeth are in a barb shape.

The cutter teeth 5 on the cutter frame 21 are arranged for better driving into rock strata and driving toothed lines, and the cutter teeth 5 in the lower shearing frame 24 and the upper shearing frame 23 are arranged, so that the rock strata led in by the cutter head can be just collected to the lower shearing frame 24 and the upper shearing frame 23.

The cutter teeth in the upper cutting frame and the lower cutting frame are arranged in a barb shape, so that the introduced rock stratum is well and fixedly arranged in a closed space formed by the upper cutting frame 23 and the lower cutting frame 24 (because the adhesive force at the joint of different rock strata is tested, the acting force between the adhesive force layers is not too large).

The driving member 22 comprises a transmission rod 221, a motor 222 and a rotating frame 223, one end of the transmission rod 221 is fixedly inserted into one side of the cutter frame 21, the other end of the transmission rod 221 is movably inserted into the rotating frame 223 (can move in the horizontal direction but does not depart from the rotating frame 223), a circular through groove 7 is formed in the middle of the rotating frame 223, teeth 8 are circumferentially arranged on the inner edge of the circular through groove 7, the motor 222 is arranged on the outer side of the upper shearing frame 23, the output end of the motor is connected with a gear 9, and the gear 9 is meshed with the teeth 8.

One side of the rotating frame 223 is provided with an annular limiting frame 10 which is rotatably connected to the corresponding side of the supporting device 3, and the inner side of the upper shearing frame 23 passes through the fixing seat 11 to pass through the circular through groove 7 to be fixedly connected with the supporting device 3.

The supporting device 3 comprises a supporting seat 31, a first hydraulic jack 32 and a second hydraulic jack 33 which are arranged front and back, the first hydraulic jack 32 and the second hydraulic jack 33 are arranged at the bottom of the rack 1, output ends of the first hydraulic jack 32 and the second hydraulic jack 33 are hinged with the supporting seat 31 through connecting blocks respectively, sliding grooves 12 which are vertically arranged are formed in two sides of the rack 1, sliding blocks 13 are arranged on two sides of the supporting seat 31, and the sliding blocks 13 are limited to slide in the sliding grooves 12.

As shown in fig. 2-3, the apparatus further includes a limiting member 14, the limiting member 14 includes a limiting frame 141 and a bolt 143, a limiting groove 15 is formed on the limiting frame 141, the bolt 143 includes a screw 142 and a bolt 143 respectively fixedly disposed on the side surfaces of the upper cutting frame 23 and the lower cutting frame 24, the length of the limiting groove 15 is greater than the distance between the screw 142 on the two sides on the same side, and the bolt 143 is in threaded connection with the screw 142 and fastens the limiting frame 141 on the side surfaces of the upper cutting frame 23 and the lower cutting frame 24.

The bolts 143 and the spacers 141 are provided to restrict the movement of the upper shear frame 23 and the lower shear frame 24 and to allow a gap to be formed between the upper shear frame 23 and the lower shear frame 24 in a relaxed state.

The output end of the electric push rod 4 is connected with a moving block 17, a groove 16 is formed in the corresponding side of the lower shearing frame 24, the length of the groove 16 is larger than that of the moving block 17, and the moving direction of the moving block 17 is limited to be only the vertical direction. The electric push rod 4 is used for pushing the lower shearing frame 24 to move in the horizontal direction, so that dislocation relative to the upper shearing frame 23 is completed, and dislocation of rock strata is realized.

The arrangement of the groove 16 and the moving block 17 is used for matching the upper shearing frame 23 and the lower shearing frame 24 to generate gaps when rock strata are obtained, and therefore rock strata can be better collected.

It should be noted that the electrical equipment (such as the existing components of the first hydraulic jack 32, the second hydraulic jack 33, the motor 222, and the like) in the scheme is controlled by a PLC program and is connected to a data display screen, so that data can be read more intuitively.

The device can also detach the parts of the shearing box, and replace the circular cylindrical cutter head to perform the functions of core drilling, sampling and the like.

The use method of the in-situ formation stratum cohesion testing equipment comprises the following steps.

(A) Measuring the horizontally distributed rock layer boundary:

s1, measuring a rock stratum boundary through a laser sight, synchronously starting a first lifting hydraulic jack 32 and a second lifting hydraulic jack 33, and enabling the supporting seat 31 to be lifted to be parallel to the joint of the upper shearing frame 23 and the lower shearing frame 24;

s2, moving the rack 1 to a rock stratum and turning on a motor 222, wherein the motor 222 drives a gear 9 to match with a tooth 8 to drive a rotating frame 223 through a driving gear, and further drives a cutter frame 21 to rotate through a driving rod 221, the rack 1 is slowly moved towards the rock stratum direction, and the cutter head drives an upper shearing frame 23 and a lower shearing frame 24 to be driven into the rock stratum and is sampled and collected into the shearing frame and the lower shearing frame 24;

and S3, when the specified depth is reached, the first hydraulic jack 32 and the second hydraulic jack 33 are used for synchronously ascending to provide pressure upwards, so that the rotary cutter head and the rock body are vertically sheared and damaged, a required test block required to be obtained in the test is separated from the original soil body, and the whole machine is pulled out to form a part.

And S4, starting the electric push rod 4 to apply force to the lower shearing frame 24 step by step until the rock mass is completely sheared and damaged. (B) The method comprises the following steps Measuring the obliquely distributed rock layer boundary:

s1, measuring the rock stratum boundary through the laser sighting device, starting to lift the first hydraulic jack 32 or the second hydraulic jack 33, inclining the jacking supporting seat 31 to the rock stratum boundary and enabling the rock stratum boundary to be parallel to the joint of the upper shearing frame 23 and the lower shearing frame 24, and the rest steps are the same as those in the step A.

This scheme adopts drive tool bit pivoted mode to do: the rear motor 222 drives the gear 9 to cooperate with the teeth 8 to drive the rotating frame 223, and further drives the knife rest 21 to rotate through the transmission rod 221.

Therefore, further, as shown in fig. 6-7, in the present scheme, the motor at the rear side drives a plurality of size gears meshed outwards to rotate, and synchronously drives the hexagonal rack rods at the four sides to rotate, the tool rest at the front side is replaced by a chain (for more stable rock stratum shearing damage, the rear side of the chain can be limited by rollers), and the tool teeth are arranged at the inner side and the outer side of the chain, the crushing teeth are arranged at the front side, and the chain is driven to rotate by the hexagonal gear, so that the inner sides of the upper shearing frame and the lower shearing frame are not necessarily arranged in a circle, that is, the upper shearing frame and the lower shearing frame which are square at the inner sides can be respectively matched to guide in rock and soil.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.