CN112881286A

CN112881286A - Rock crack propagation direction prediction monitoring device

Info

Publication number: CN112881286A
Application number: CN202110053810.3A
Authority: CN
Inventors: 孙熙震; 贾传洋; 刘珂铭
Original assignee: Linyi University
Current assignee: Linyi University
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-01
Also published as: ZA202109107B

Abstract

The invention relates to the technical field of rock cracks, in particular to a rock crack propagation direction prediction monitoring device which comprises an L-shaped plate, wherein one side of the L-shaped plate is fixedly connected with a supporting rod, a plurality of control rods which are uniformly distributed penetrate through the L-shaped plate, a hinged ball is movably sleeved on each control rod, a sleeve is sleeved outside the hinged ball and penetrates through the L-shaped plate, the sleeve is fixed on the L-shaped plate, one end of the hinge ball is contacted with the first spring, and one end of the first spring, which is far away from the hinge ball, is contacted with the clamping ring, the structural design of the invention realizes the effective monitoring effect on the condition that the rock cracks, the control rod is caused to rotate in the process, and axial movement of the control rod, such that by observing the change in the control body, and the position of the end of the control rod where the control body is located, the condition of rock cracks can be rapidly mastered, and the crack influence is amplified to achieve the effect of convenient observation.

Description

Rock crack propagation direction prediction monitoring device

Technical Field

The invention relates to the technical field of rock cracks, in particular to a rock crack propagation direction prediction monitoring device.

Background

Rock crack among the prior art produces and the propagation process, can produce certain appearance change on the rock surface, through enlarging the change condition on rock surface, can give monitoring personnel with audio-visual information show, and electronic instrument is not suitable for outdoor long-term the monitoring work of placing.

If the mechanical information feedback device can be invented, the information on the surface of the rock is amplified and fed back, so that the situation can be mastered by a worker in time, the problem can be solved, and the rock crack propagation direction prediction monitoring device is provided for the purpose.

Disclosure of Invention

The invention aims to provide a rock crack propagation direction prediction monitoring device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rock crack propagation direction prediction monitoring device, includes the L template, one side fixedly connected with bracing piece of L template, it has a plurality of evenly distributed's control lever to run through on the L template, the articulated ball is cup jointed in the activity on the control lever, the outside cover of articulated ball has the sleeve, the sleeve runs through the L template, and the sleeve is fixed on the L template, the one end contact of articulated ball has spring one, and the one end contact of keeping away from the articulated ball on the spring one has the screens ring, and spring one and screens ring cover are on the control lever, it has L type lumen to open in the control lever, be provided with two control valves in the L type lumen, the cylinder groove has been seted up to the one end tip of control lever, and the one end of L type lumen is connected with the cylinder groove bottom surface of control lever, the other end of L type lumen extends to the control lever outside, be provided with pressure column, the pressure column in the cylinder groove of control lever, A second spring and a corrugated pipe, wherein one end of the control rod is connected with a threaded head in a threaded manner, one end of the threaded head extends into the cylindrical groove of the control rod, one end of the pressure column is contacted with a second spring, one end of the second spring is contacted with the thread head, the other end of the pressure column is fixedly connected with a corrugated pipe, one end of the corrugated pipe is fixed on the bottom surface of the cylindrical groove of the control rod, the corrugated pipe is internally provided with a control cover and a rubber pad, a plurality of control bodies which are uniformly distributed are annularly arranged around the pressure column, the control bodies are arranged in plate grooves which are arranged on the outer wall of the control rod, a central shaft penetrates through the control bodies, the control body is provided with a blocking block and a first spring leaf, a plurality of control columns which are uniformly distributed are arranged in the control rod between the two control valves, the control columns are arranged in through holes arranged in the control rod, and one end of the control column extends into the hinged ball, and a spring piece II and a guide sliding block are arranged in the control column.

Preferably, the control valve includes a sealing cylinder, a sealing ball, three springs and a partition plate, the sealing cylinder and the partition plate are fixed on the inner wall of the L-shaped pipe cavity, the sealing ball and the three springs are arranged between the sealing cylinder and the partition plate, the partition plate is contacted with one end of the three springs, the sealing ball is contacted with the other end of the three springs, the sealing cylinder is provided with the L-shaped pipe cavity with a ring and provided with a plurality of evenly distributed pipes, and the partition plate is shaped like a circular plate and is provided with a plurality of evenly distributed through holes.

Preferably, the articulated ball is a ball body, a column hole penetrates through the ball body, a plurality of uniformly distributed annular grooves are formed in the inner wall of the column hole of the articulated ball, the control rod is sleeved in the column hole of the articulated ball, the sleeve is a cylinder, the inner wall of the cylinder body is in a cambered groove shape, and the articulated ball is arranged in the sleeve in a matched mode.

Preferably, the control column is cylindrical, one end of the column body is hemispherical, the hemispherical body end of the control column protrudes into an annular groove of the hinged ball, the control column is arranged in a through hole formed in the control rod, one end of the through hole in the control rod extends into the L-shaped pipe cavity, one end of the guide sliding block is in contact with a second wavy plate-shaped spring piece, the second spring piece and the guide sliding block are arranged in a sliding groove formed in the side wall of the control rod, and the guide sliding block is fixed on the control rod.

Preferably, the controller is in the shape of a cylinder, one side of the cylinder is integrally connected with a prism, the middle of the cylinder of the controller is movably sleeved with a central shaft, the end part of the central shaft is fixed on the control rod, a plurality of uniformly distributed protruding teeth are fixedly connected to one side wall of the cylinder of the controller, the intercepting block is fixed on the central shaft, one end of the intercepting block is in contact with the first wavy leaf spring, and the intercepting block and the first leaf spring are arranged in an arc-shaped groove formed in the wall of the inner cavity of the cylinder of the controller.

Preferably, the inner wall of the opening end of the cylindrical groove in the control rod is provided with threads, the thread head is in threaded connection with the control rod, a plurality of tooth grooves which are uniformly distributed are formed in one side wall of the pressure column, the pressure column is in meshed transmission connection with the control body, one end of the L-shaped pipe cavity is covered by the control cover, the control cover is fixed to the bottom face of the cylindrical groove in the control rod, a plurality of through holes which are uniformly distributed are formed in the control cover in an annular mode, one side of the control cover is provided with a T-shaped disc-shaped rubber pad, and a middle protruding part of the rubber pad is fixedly embedded into the control.

Compared with the prior art, the invention has the beneficial effects that:

1. the structural design of the invention realizes the effective monitoring effect on the condition of the cracks generated on the rock, and the control rod rotates and moves axially in the process, so that the condition of the cracks on the rock can be rapidly mastered by observing the change of the control body and the position of the end part of the control rod where the control body is positioned, and the effect of convenient observation is achieved by amplifying the influence of the cracks;

2. the device causes the piston of the control column to move through the staggered sliding between the control rod and the hinged ball, so that the air flow in the L-shaped pipe cavity is injected into the corrugated pipe to cause the movement of the pressure column, and the more violent the movement of the control column is, the longer the movement distance of the caused pressure column is, so that the more obvious the appearance change of the end part of the control rod is caused, and the function is stable and strong.

Drawings

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

FIG. 2 is a schematic diagram of a control valve structure;

fig. 3 is a schematic view of the control lever structure.

In the figure: the device comprises an L-shaped plate 1, a support rod 2, a control rod 3, a hinge ball 4, a sleeve 5, a first spring 6, a clamping ring 7, an L-shaped pipe cavity 8, a control valve 9, a pressure column 10, a second spring 11, a corrugated pipe 12, a control column 13, a threaded head 14, a control cover 15, a rubber pad 16, a control body 17, a central shaft 18, a blocking block 19, a first spring piece 20, a second spring piece 21, a guide sliding block 22, a sealing cylinder 23, a sealing ball 24, a third spring 25 and a partition plate 26.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a rock crack propagation direction prediction monitoring device, including L template 1, one side fixedly connected with bracing piece 2 of L template 1, it has a plurality of evenly distributed's control lever 3 to run through on the L template 1, articulated ball 4 is cup jointed in the activity on the control lever 3, articulated ball 4 outside cover has sleeve 5, sleeve 5 runs through L template 1, and sleeve 5 fixes on L template 1, the one end contact of articulated ball 4 has spring one 6, the one end contact of keeping away from articulated ball 4 on spring one 6 has screens ring 7, and spring one 6 and screens ring 7 cover are on control lever 3, open L type lumen 8 in the control lever 3, be provided with two control valves 9 in the L type lumen 8, the cylinder groove has been seted up to the one end tip of control lever 3, the one end of L type lumen 8 is connected with the cylinder groove bottom surface of control lever 3, the other end of L type lumen 8 extends to the control lever 3 outside, be provided with pressure column 10 in the cylinder groove of control lever 3, A second spring 11 and a corrugated pipe 12, one end of the control rod 3 is connected with a screw head 14 through a screw thread, one end of the screw head 14 extends into a cylindrical groove of the control rod 3, one end of a pressure column 10 is contacted with the second spring 11, one end of the second spring 11 is contacted with the screw head 14, the other end of the pressure column 10 is fixedly connected with the corrugated pipe 12, one end of the corrugated pipe 12 is fixed on the bottom surface of the cylindrical groove of the control rod 3, a control cover 15 and a rubber pad 16 are arranged in the corrugated pipe 12, a plurality of uniformly distributed control bodies 17 are annularly arranged around the pressure column 10, the control bodies 17 are arranged in a plate groove arranged on the outer wall of the control rod 3, a central shaft 18 penetrates through the control bodies 17, a blocking block 19 and a spring leaf 20 are arranged in the control bodies 17, a plurality of uniformly distributed control columns 13 are arranged in the control rod 3 between two control valves 9, the control columns 13 are arranged in through holes arranged, one end of the control column 13 extends into the hinged ball 4, a second spring piece 21 and a guide slider 22 are arranged in the control column 13, the position relation between the control column 13 and the control valve 9 can be understood by referring to fig. 2, as shown in fig. 1, the L-shaped plate 1 is arranged on one side of the rock, and one ends of the control rods 3 are abutted against crack surfaces of the rock.

The control valve 9 comprises a sealing barrel 23, a sealing ball 24, a spring III 25 and a partition plate 26, the sealing barrel 23 and the partition plate 26 are fixed on the inner wall of the L-shaped pipe cavity 8, the sealing ball 24 and the spring III 25 are arranged between the sealing barrel 23 and the partition plate 26, the partition plate 26 is contacted with one end of the spring III 25, the sealing ball 24 is contacted with the other end of the spring III 25, the sealing barrel 23 is annularly provided with the L-shaped pipe cavity in a plurality of uniform distributions, and the partition plate 26 is in a shape of a circular plate and is provided with a plurality of through holes in uniform distribution.

The articulated ball 4 is a ball body in shape, a column hole is formed in the ball body in a penetrating mode, a plurality of uniformly distributed annular grooves are formed in the inner wall of the column hole of the articulated ball 4, the control rod 3 is sleeved in the column hole of the articulated ball 4, the sleeve 5 is a cylinder in shape, the inner wall of the cylinder body is in a cambered groove shape, and the articulated ball 4 is arranged in the sleeve 5 in a matching mode.

The control column 13 is cylindrical, one end of the column body is hemispherical, the hemispherical body end of the control column 13 protrudes into an annular groove of the hinge ball 4, the control column 13 is arranged in a through hole formed in the control rod 3, one end of the through hole in the control rod 3 extends into the L-shaped pipe cavity 8, one end of the guide sliding block 22 is in contact with the second wavy plate-shaped spring piece 21, the second spring piece 21 and the guide sliding block 22 are arranged in a sliding groove formed in the side wall of the control rod 3, and the guide sliding block 22 is fixed on the control rod 3.

The shape of the control body 17 is that one side of a cylinder is integrally connected with a prism, the middle part of the cylinder of the control body 17 is movably sleeved with a central shaft 18, the end part of the central shaft 18 is fixed on the control rod 3, one side wall of the cylinder of the control body 17 is fixedly connected with a plurality of protruding teeth which are uniformly distributed, the interception block 19 is fixed on the central shaft 18, one end of the interception block 19 is contacted with a first wavy plate-shaped spring piece 20, and the interception block 19 and the first spring piece 20 are arranged in an arc-shaped groove formed in the inner cavity wall of the cylinder of the control body 17.

Be provided with the screw thread on the cylindrical groove open end inner wall on the control lever 3,

screw thread head

14 and 3 threaded connection of control lever, set up a plurality of evenly distributed's tooth's socket on the lateral wall of pressure column 10, pressure column 10 and the meshing transmission of the control body 17 are connected, control lid 15 covers the one end of L type lumen 8, and control lid 15 fixes on the cylindrical groove bottom surface of control lever 3, control lid 15 is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's through-hole, one side of control lid 15 is provided with the discoid rubber pad 16 of T type, the fixed embedding of the middle part bulge of rubber pad 16 is covered 15 in the control.

The working principle is as follows: the control rods 3 are abutted against the crack surface of the rock, and in the process of generating cracks on the rock, the control rods 3 are affected, namely the local dislocation of the rock surface drives the control rods 3, the control rods 3 rotate to a certain degree, meanwhile, the control rods 3 move to a certain degree in the axial direction, the control rods 3 smoothly rotate by the cooperation of the hinged balls 4 and the sleeves 5, in addition, the rock is impacted too violently, the axial movement of the control rods 3 in a short time is quicker, so that the deformation of one end of the control rods 3 is more obvious, specifically, the control rods 3 drive the control columns 13 in the moving process, the control columns 13 are stirred by the annular grooves of the hinged balls 4, so that the control columns 13 generate piston movement, the control columns 13 are inserted into the control rods 3, gas in the L-shaped pipe cavities 8 is squeezed into the corrugated pipes 12, the control columns 13 move reversely, the generated suction force sucks the external gas into the L-shaped pipe cavities 8, the corrugated pipe 12 gradually expands, air pressure acts on the pressure column 10, the pressure column 10 moves to drive the control bodies 17 to rotate, the plurality of control bodies 17 can be seen to be opened at the end parts of the control rods 3 from the appearance, the rubber pads 16 block the control covers 15, and thus, gas in the corrugated pipe 12 is retained, so that the plurality of control bodies 17 can keep unchanged shapes after being opened on the control rods 3, the observation of later-stage workers is facilitated, the design of the control valve 9 realizes the control of fluid, namely, the fluid mainly passes through the sealing balls 24 by jacking up the sealing balls 24 and then rapidly passes through gaps between the sealing cylinders 23 and the sealing balls 24, and the reverse flow of the fluid can be slowly carried out through the L-shaped pipe cavities on the sealing cylinders 23, so that if the impact energy of cracks on rocks is insufficient, the control bodies 17 cannot be obviously influenced, and the workers can observe the rotation conditions of the control rods 3 and the opening conditions, the condition of the rock when cracks are generated can be understood, and the monitoring effect is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rock crack propagation direction prediction monitoring device comprises an L-shaped plate (1), and is characterized in that: one side of the L-shaped plate (1) is fixedly connected with a supporting rod (2), a plurality of control rods (3) which are uniformly distributed penetrate through the L-shaped plate (1), a hinge ball (4) is movably sleeved on the control rods (3), a sleeve (5) is sleeved outside the hinge ball (4), the sleeve (5) penetrates through the L-shaped plate (1), the sleeve (5) is fixed on the L-shaped plate (1), one end of the hinge ball (4) is contacted with a first spring (6), one end, far away from the hinge ball (4), of the first spring (6) is contacted with a clamping ring (7), the first spring (6) and the clamping ring (7) are sleeved on the control rods (3), an L-shaped pipe cavity (8) is formed in the control rods (3), two control valves (9) are arranged in the L-shaped pipe cavity (8), one end part of the control rods (3) is provided with a cylindrical groove, one end of the L-shaped pipe cavity (8) is connected with the bottom surface of the control rods (3), the other end of the L-shaped pipe cavity (8) extends to the outside of the control rod (3), a pressure column (10), a second spring (11) and a corrugated pipe (12) are arranged in a cylindrical groove of the control rod (3), one end of the control rod (3) is in threaded connection with a threaded head (14), one end of the threaded head (14) extends into the cylindrical groove of the control rod (3), one end of the pressure column (10) is in contact with the second spring (11), one end of the second spring (11) is in contact with the threaded head (14), the other end of the pressure column (10) is fixedly connected with the corrugated pipe (12), one end of the corrugated pipe (12) is fixed on the bottom surface of the cylindrical groove of the control rod (3), a control cover (15) and a rubber pad (16) are arranged in the corrugated pipe (12), a plurality of control bodies (17) which are uniformly distributed are annularly arranged around the pressure column (10), and the control bodies (17) are arranged in a plate groove which is formed in the outer wall of, a central shaft (18) penetrates through the control body (17), a blocking block (19) and a first spring piece (20) are arranged in the control body (17), a plurality of control columns (13) which are uniformly distributed are arranged in the control rod (3) between the two control valves (9), the control columns (13) are arranged in through holes formed in the control rod (3), one end of each control column (13) extends into the hinged ball (4), and a second spring piece (21) and a guide sliding block (22) are arranged in each control column (13).

2. A rock crack propagation direction prediction monitoring device according to claim 1, characterized in that: control valve (9) are including sealed section of thick bamboo (23), sealing ball (24), three (25) of spring and baffle (26), sealed section of thick bamboo (23) and baffle (26) are fixed on the inner wall of L type lumen (8), and are provided with sealing ball (24) and three (25) of spring between sealed section of thick bamboo (23) and baffle (26), the one end contact of three (25) of spring has baffle (26), and the other end contact of three (25) of spring has sealing ball (24), it is equipped with a plurality of evenly distributed's L type lumen to fit with a contraceptive ring in sealed section of thick bamboo (23), and baffle (26) shape is offered a plurality of evenly distributed's through-hole on plectane and the plate body.

3. A rock crack propagation direction prediction monitoring device according to claim 1, characterized in that: the hinge ball (4) is a ball body, a column hole is formed in the ball body in a penetrating mode, a plurality of uniformly distributed annular grooves are formed in the inner wall of the column hole of the hinge ball (4), the control rod (3) is sleeved in the column hole of the hinge ball (4), the sleeve (5) is a cylinder, the inner wall of the cylinder body is in a cambered surface groove shape, and the hinge ball (4) is arranged in the sleeve (5) in a matching mode.

4. A rock crack propagation direction prediction monitoring device according to claim 1, characterized in that: the control column (13) is cylindrical, one end of the column body is hemispherical, the hemispherical body end of the control column (13) protrudes into an annular groove of the hinged ball (4), the control column (13) is arranged in a through hole formed in the control rod (3), one end of the through hole in the control rod (3) extends into the L-shaped pipe cavity (8), one end of the guide sliding block (22) is in contact with a second wavy plate-shaped spring piece (21), the second spring piece (21) and the guide sliding block (22) are arranged in a sliding groove formed in the side wall of the control rod (3), and the guide sliding block (22) is fixed on the control rod (3).

5. A rock crack propagation direction prediction monitoring device according to claim 1, characterized in that: the control body (17) is in a shape that one side of a cylinder is integrally connected with a prism, the middle of the cylinder of the control body (17) is movably sleeved with a central shaft (18), the end part of the central shaft (18) is fixed on the control rod (3), one side wall of the cylinder of the control body (17) is fixedly connected with a plurality of uniformly distributed protruding teeth, an interception block (19) is fixed on the central shaft (18), one end of the interception block (19) is in contact with a first wavy plate-shaped spring piece (20), and the interception block (19) and the first spring piece (20) are arranged in an arc-shaped groove formed in the wall of the inner cavity of the cylinder of the control body (17).

6. A rock crack propagation direction prediction monitoring device according to claim 1, characterized in that: the control device is characterized in that threads are arranged on the inner wall of an opening end of a cylindrical groove in the control rod (3), a thread head (14) is in threaded connection with the control rod (3), a plurality of tooth grooves which are uniformly distributed are formed in one side wall of the pressure column (10), the pressure column (10) is in meshed transmission connection with the control body (17), one end of the L-shaped pipe cavity (8) is covered by the control cover (15), the control cover (15) is fixed to the bottom face of the cylindrical groove in the control rod (3), a plurality of through holes which are uniformly distributed are annularly arranged on the control cover (15), a T-shaped disc-shaped rubber pad (16) is arranged on one side of the control cover (15), and a middle protruding part of the rubber pad (16) is fixedly embedded into the control cover (15).