CN216247965U

CN216247965U - Geotechnical engineering landslide model test device

Info

Publication number: CN216247965U
Application number: CN202122823211.3U
Authority: CN
Inventors: 吴星根
Original assignee: Radiation Environment Monitoring Center Of Guangdong Nuclear Industry Geological Bureau
Current assignee: Radiation Environment Monitoring Center Of Guangdong Nuclear Industry Geological Bureau
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a geotechnical engineering landslide model test device which comprises a bottom plate, wherein a side plate is fixedly installed on the left side of the top of the bottom plate, a first rotating plate is rotatably hinged above the right side of the side plate, one end, far away from the side plate, of the first rotating plate is rotatably hinged with a second rotating plate, supporting legs are fixedly installed at the corner positions of the bottom plate, silica gel suckers are fixedly installed at the bottoms of the supporting legs, a through cavity communicated with the inside of the silica gel sucker is formed in the top end of the supporting leg, and a second gas collecting cavity is formed in the bottom plate. The utility model is convenient for synchronously and rapidly enhancing the suction force of the four silica gel suckers, realizes the effect of rapid and stable adsorption and fixation, improves the placing stability, reduces the risk of the displacement of the whole device in the using process, reduces the test deviation, is convenient for adjusting the inclination angle of the second rotating plate according to the test requirement, improves the application range and meets the use requirement.

Description

Geotechnical engineering landslide model test device

Technical Field

The utility model relates to the technical field of geotechnical engineering landslide model tests, in particular to a geotechnical engineering landslide model test device.

Background

The landslide refers to the natural phenomenon that soil or rock mass on a slope is influenced by factors such as river scouring, underground water movement, rainwater soaking, earthquake, artificial slope cutting and the like, and slides downwards along a slope integrally or dispersedly along a certain weak surface or a soft zone under the action of gravity, a moving rock (soil) body is called a variable body or a slip body, and an unmoved underlying rock (soil) body is called a slide bed.

For better judgement to the condition of slope landslide, it is experimental to need to use analogue test device to carry out the landslide to the different angles in different scenes and slope usually, common landslide analogue test device is directly placed on the workstation mostly when using, the stability in use is relatively poor, easily bump the risk that causes to rock the displacement in the landslide test process because of the mistake, cause the influence to the test result, be not convenient for better carry out the landslide test to the slope under different scenes or different inclination, to this phenomenon, therefore we provide a geotechnical engineering landslide model test device, be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a geotechnical engineering landslide model test device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a geotechnical engineering landslide model test device comprises a bottom plate, wherein a side plate is fixedly installed on the left side of the top of the bottom plate, a first rotating plate is rotatably hinged above the right side of the side plate, one end, far away from the side plate, of the first rotating plate is rotatably hinged with a second rotating plate, supporting legs are fixedly installed at the corner positions of the bottom plate, silica gel suckers are fixedly installed at the bottoms of the supporting legs, a through cavity communicated with the inside of the silica gel sucker is formed in the top end of each supporting leg, a second gas collecting cavity is formed in the bottom plate, a first gas collecting cavity corresponding to the second gas collecting cavity is formed in the bottom plate, round holes communicated with the inside of the through cavity are formed in the inner walls of the bottoms of the first gas collecting cavity and the second gas collecting cavity, a first piston in sliding contact with the inner wall is arranged in the first gas collecting cavity, and a first connecting rod is fixedly connected to the left side of the first piston, the front surface of the right side bottom plate of the second gas collection cavity is provided with an adjusting groove, the rear surface of the left side bottom plate of the first gas collection cavity is provided with a rectangular groove, the inside of the second gas collection cavity is provided with a second piston in sliding contact with the inner wall, the right side of the second piston is fixedly connected with a second connecting rod, the right end of the second connecting rod extends to the inside of the adjusting groove and is fixedly connected with a second pulling plate, the left side of the second pulling plate above the second connecting rod is fixedly provided with a connecting wire, the left side of the second pulling plate is provided with two guide pulleys rotatably arranged on the inner wall of the rear side of the adjusting groove, the left side of each guide pulley is in contact with the connecting wire, the second connecting rod is movably sleeved on the connecting wire, the right side of the second pulling plate below the second connecting rod is provided with a third threading hole, and the rear side wall of the adjusting groove on the right side of the second pulling plate is rotatably provided with a vertically arranged clamping plate through a rotating shaft, and the inner wall of the top of the adjusting groove on the left side of the clamping plate is provided with a retractable groove, an L-shaped limiting plate is movably arranged in the retractable groove, the bottom of the L-shaped limiting plate extends into the adjusting groove, and the right side of the L-shaped limiting plate is in contact with the left side of the clamping plate.

Preferably, the right side fixed mounting at bottom plate top has U type slide rail, and the surface slip of U type slide rail is provided with the sliding seat, and the top of sliding seat rotates with the bottom of second rotor plate and articulates, the right side fixed mounting of sliding seat has a rectangular plate that is located U type slide rail top, and the top of rectangular plate is provided with fixing bolt, U type slide rail top is provided with a plurality ofly and fixing bolt screw-thread fit's internal thread hole.

Preferably, a first threading hole communicated with the inside of the rectangular groove is formed in the inner wall of the right side of the adjusting groove, and a second threading hole is formed in the top of the second connecting rod.

Preferably, the inner walls of the bottoms of the first gas collecting cavity and the second gas collecting cavity are both provided with vent holes.

Preferably, set up the first through-hole that is linked together with the rectangular channel on the left side inner wall of first gas collection chamber, and the inner wall of first through-hole and the outer wall sliding contact of head rod, the left end of head rod runs through the inside that the first through-hole extends to the rectangular channel and the first arm-tie of fixedly connected with, the one end that the second arm-tie was kept away from to the connecting wire runs through second through wires hole, third through wires hole and first through wires hole in proper order and extends to the rectangular channel in with the left side fixed connection of first arm-tie.

Preferably, the surface of the first connecting rod on the right side of the first pulling plate is wound with an expansion spring, the left end of the expansion spring is fixedly connected with the right side of the first pulling plate, and the right end of the expansion spring is fixedly connected with the inner wall on the right side of the rectangular groove.

Preferably, the top end of the L-shaped limiting plate is fixedly connected with a return spring, the top end of the return spring is fixedly connected with the inner wall above the retraction groove, the inner wall on the left side of the retraction groove is provided with a guide groove, and the inner wall on the left side of the L-shaped limiting plate is fixedly connected with a guide block matched with the guide groove to slide.

Preferably, a second through hole in sliding contact with the outer side of the second connecting rod is formed in the inner wall of the left side of the adjusting groove.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is convenient for synchronously and rapidly enhancing the suction force of the four silica gel suckers, realizes the effect of rapid and stable adsorption and fixation, improves the placing stability, reduces the risk of the displacement of the whole device in the using process, reduces the test deviation, is convenient for adjusting the inclination angle of the second rotating plate according to the test requirement, improves the application range and meets the use requirement.

Drawings

FIG. 1 is a schematic structural diagram of a geotechnical engineering landslide model test device provided by the utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base plate; 2. a side plate; 3. a first rotating plate; 4. a second rotating plate; 5. a U-shaped slide rail; 6. supporting legs; 7. a silica gel sucker; 8. a sliding seat; 9. an adjustment groove; 10. fixing the bolt; 11. a first gas collection chamber; 12. a cavity is communicated; 13. a first piston; 14. a first connecting rod; 15. a first pulling plate; 16. a rectangular groove; 17. a connecting wire; 18. a second piston; 19. a second gas collection chamber; 20. a second connecting rod; 21. a guide pulley; 22. a second pulling plate; 23. a guide groove; 24. a retraction slot; 25. a return spring; 26. an L-shaped limiting plate; 27. and (4) clamping the board.

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.

Referring to fig. 1-3, a geotechnical engineering landslide model test device comprises a bottom plate 1, a side plate 2 is fixedly installed on the left side of the top of the bottom plate 1, a first rotating plate 3 is rotatably hinged above the right side of the side plate 2, a second rotating plate 4 is rotatably hinged at one end, far away from the side plate 2, of the first rotating plate 3, a U-shaped slide rail 5 is fixedly installed on the right side of the top of the bottom plate 1, a slide seat 8 is slidably arranged on the surface of the U-shaped slide rail 5, the top end of the slide seat 8 is rotatably hinged with the bottom end of the second rotating plate 4, a rectangular plate positioned above the U-shaped slide rail 5 is fixedly installed on the right side of the slide seat 8, a fixing bolt 10 is arranged on the top of the rectangular plate, a plurality of internal thread holes in threaded fit with the fixing bolt 10 are arranged on the top of the U-shaped slide rail 5, supporting legs 6 are fixedly installed at the corner positions of the bottom plate 1, and silica gel suckers 7 are fixedly installed at the bottoms of the supporting legs 6, the top end of the supporting leg 6 is provided with a through cavity 12 communicated with the inside of the silica gel sucker 7, the bottom plate 1 is provided with a second gas collecting cavity 19, the bottom plate 1 is provided with a first gas collecting cavity 11 corresponding to the second gas collecting cavity 19, the inner walls of the bottoms of the first gas collecting cavity 11 and the second gas collecting cavity 19 are both provided with round holes communicated with the inside of the through cavity 12, the inner walls of the bottoms of the first gas collecting cavity 11 and the second gas collecting cavity 19 are both provided with vent holes, the inside of the first gas collecting cavity 11 is provided with a first piston 13 in sliding contact with the inner walls, the left side of the first piston 13 is fixedly connected with a first connecting rod 14, the front surface of the right side bottom plate 1 of the second gas collecting cavity 19 is provided with an adjusting groove 9, the rear surface of the left side bottom plate 1 of the first gas collecting cavity 11 is provided with a rectangular groove 16, the inside of the second gas collecting cavity 19 is provided with a second piston 18 in sliding contact with the inner walls, and the right side of the second piston 18 is fixedly connected with a second connecting rod 20, the right end of the second connecting rod 20 extends to the inside of the adjusting groove 9 and is fixedly connected with a second pulling plate 22, the left side of the second pulling plate 22 above the second connecting rod 20 is fixedly provided with a connecting line 17, the left side of the second pulling plate 22 is provided with two guide pulleys 21 which are rotatably arranged on the inner wall of the rear side of the adjusting groove 9, and the left side of the guide pulley 21 is contacted with the connecting line 17, the second connecting rod 20 is movably sleeved on the connecting line 17, the right side of the second pulling plate 22 below the second connecting rod 20 is provided with a third threading hole, the rear side wall of the right adjusting groove 9 of the second pulling plate 22 is rotatably provided with a vertically arranged clamping plate 27 through a rotating shaft, the inner wall of the top of the adjusting groove 9 on the left side of the clamping plate 27 is provided with a retracting groove 24, an L-shaped limiting plate 26 is movably arranged in the retracting groove 24, the bottom of the L-shaped limiting plate 26 extends into the adjusting groove 9, and the right side of the L-shaped limiting plate 26 is in contact with the left side of the clamping plate 27;

a first threading hole communicated with the inside of the rectangular groove 16 is formed on the inner wall of the right side of the adjusting groove 9, a second threading hole is formed at the top of the second connecting rod 20, a first through hole communicated with the rectangular groove 16 is formed on the inner wall of the left side of the first gas collecting cavity 11, the inner wall of the first through hole is in sliding contact with the outer wall of the first connecting rod 14, the left end of the first connecting rod 14 penetrates through the first through hole and extends to the inside of the rectangular groove 16 and is fixedly connected with a first pulling plate 15, one end of the connecting wire 17, far away from the second pulling plate 22, sequentially penetrates through the second threading hole, a third threading hole and the first threading hole and extends into the rectangular groove 16 to be fixedly connected with the left side of the first pulling plate 15, an expansion spring is wound on the surface of the first connecting rod 14 on the right side of the first pulling plate 15, the left end of the expansion spring is fixedly connected with the right side of the first pulling plate 15, the right end of the expansion spring is fixedly connected with the inner wall on the right side of the rectangular groove 16, the utility model is convenient for synchronously and rapidly enhancing the suction force of the four silica gel suckers 7, realizes the effect of rapid and stable adsorption and fixation, improves the placement stability, reduces the risk of displacement of the whole device in the use process, reduces the test deviation, is convenient for adjusting the inclination angle of the second rotating plate 4 according to the experimental needs, improves the application range and meets the use requirements.

The working principle is as follows: the testing device is placed on a specified workbench, a bottom plate 1 is pressed downwards, the bottom plate 1 extrudes four silica gel suckers 7 through four supporting legs 6, the silica gel suckers 7 are deformed by extrusion force, then the downward pressure of the bottom plate 1 is released, the silica gel suckers 7 are gradually reset, a negative pressure generated preliminarily is adsorbed on the workbench, then a second pulling plate 22 is pulled to drive a second connecting rod 20 to move rightwards, the second connecting rod 20 drives a second piston 18 to slide in a second gas collecting cavity 19, the second pulling plate 22 pulls a connecting wire 17 while moving, so that the connecting wire 17 slides on two guide pulleys 21, the connecting wire 17 pulls a first pulling plate 15 to move leftwards, the first pulling plate 15 pulls a telescopic spring while moving leftwards, and meanwhile, the first pulling plate 15 drives a first piston 13 to slide in the first gas collecting cavity 11 through a first connecting rod 14, the second piston 18 and the first piston 13 respectively suck the inside of the silica gel sucker 7 through the corresponding through cavity 12 while moving, so that the negative pressure inside the silica gel sucker 7 is enhanced under the suction force, when the second pulling plate 22 moves rightwards to be contacted with the clamping plate 27, the second pulling plate 22 extrudes the clamping plate 27 to rotate anticlockwise, when the second pulling plate 22 moves rightwards to be staggered with the clamping plate 27, the clamping plate 27 gradually rotates to reset under the action of self gravity, the clamping plate 27 rotates clockwise to be contacted with the right side of the L-shaped limiting plate 26, the L-shaped limiting plate 26 limits the clamping plate 27, the right pulling force on the second pulling plate 22 is released, the second pulling plate 22 is further supported by the right side of the clamping plate 27, at the moment, the silica gel sucker 7 with enhanced internal suction force fixes the whole device, and therefore, the function of facilitating the stable placement of the testing device is realized, the risk of displacement of the whole test device is reduced;

when the inclination angle of the second rotating plate 4 needs to be adjusted, the fixing bolt 10 is rotated to be separated from the internal threaded hole on the U-shaped sliding rail 5, the first rotating plate 3 and the second rotating plate 4 are rotated to adjust the inclination angle, and the fixing bolt 10 is rotated reversely after being adjusted to be proper and is rotated to be in the corresponding internal threaded hole, so that the second rotating plate 4 is fixed, and the adjustment is completed;

when the test device needs to be moved, the L-shaped limiting plate 26 is pushed upwards to slide along the inner wall of the retraction groove 24 under the mutual matching of the guide block and the guide groove 23, the L-shaped limiting plate 26 compresses the return spring 25 while moving upwards, the L-shaped limiting plate 26 gradually staggers with the catch plate 27 while moving upwards, the limit on the catch plate 27 is removed, the second pull plate 22 is moved leftwards at this time, the second pull plate 22 drives the connecting wire 17 to move leftwards and releases the tension on the first pull plate 15, the elastic force of the extension spring in the stretching state drives the first pull plate 15 to move backwards and reset rightwards at this time, the second pull plate 22 drives the second piston 18 to move leftwards through the second connecting rod 20 while moving leftwards, the first pull plate 15 drives the first piston 13 to move rightwards through the first connecting rod 14, the second piston 18 and the first piston 13 respectively squeeze the air in the first air collection cavity 11 and the second air collection cavity 19 into the inside of the silica gel sucker 7 while moving, thereby make the inside adsorption affinity of silica gel sucking disc 7 reduce gradually, can lift one side of silica gel sucking disc 7 this moment and the workstation separation, conveniently remove test device.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a geotechnical engineering landslide model test device, includes bottom plate (1), its characterized in that, the left side fixed mounting at bottom plate (1) top has curb plate (2), and the top on curb plate (2) right side rotates to articulate has first rotation board (3), and the one end that curb plate (2) were kept away from in first rotation board (3) rotates to articulate has second rotation board (4), the corner position department of bottom plate (1) bottom all fixed mounting have supporting leg (6), and the bottom of supporting leg (6) all fixed mounting have silica gel sucking disc (7), the top of supporting leg (6) is seted up one and is led to chamber (12) that are linked together with silica gel sucking disc (7) inside, seted up second gas collection chamber (19) on bottom plate (1), seted up on bottom plate (1) first gas collection chamber (11) corresponding with second gas collection chamber (19), the inner wall of first gas collection chamber (11) and second gas collection chamber (19) bottom all seted up and lead to the inside circle that is linked together of chamber (12) The hole, the inside of first gas collecting chamber (11) is provided with first piston (13) with inner wall sliding contact, and the left side fixedly connected with head rod (14) of first piston (13), adjustment tank (9) have been seted up to the front surface of second gas collecting chamber (19) right side bottom plate (1), rectangular channel (16) have been seted up to the rear surface of first gas collecting chamber (11) left side bottom plate (1), the inside of second gas collecting chamber (19) is provided with second piston (18) with inner wall sliding contact, and the right side fixedly connected with second connecting rod (20) of second piston (18), the right-hand member of second connecting rod (20) extends to the inside of adjustment tank (9) and fixedly connected with second arm-tie (22), the left side of second arm-tie (22) top is fixed with connecting wire (17), the left side of second arm-tie (22) is equipped with two and rotates guide pulley (21) of installing on adjustment tank (9) rear side inner wall And the left side of leading pulley (21) contacts with connecting wire (17), and second connecting rod (20) movable sleeve establishes on connecting wire (17), the third through wires hole has been seted up on the right side of second arm-tie (22) in second connecting rod (20) below, rotate through the pivot on the rear side wall of second arm-tie (22) right side adjustment tank (9) and install vertical cardboard (27) of placing, and seted up on the top inner wall of cardboard (27) left side adjustment tank (9) and receive and release groove (24), and the inside activity of receiving and releasing groove (24) is provided with L type limiting plate (26), and in the bottom of L type limiting plate (26) extended to adjustment tank (9), the right side of L type limiting plate (26) contacted with the left side of cardboard (27).

2. The geotechnical engineering landslide model test device according to claim 1, wherein a U-shaped slide rail (5) is fixedly installed on the right side of the top of the bottom plate (1), a slide seat (8) is slidably arranged on the surface of the U-shaped slide rail (5), the top end of the slide seat (8) is rotatably hinged to the bottom end of the second rotating plate (4), a rectangular plate located above the U-shaped slide rail (5) is fixedly installed on the right side of the slide seat (8), a fixing bolt (10) is arranged on the top of the rectangular plate, and a plurality of internal thread holes in threaded fit with the fixing bolt (10) are formed in the top of the U-shaped slide rail (5).

3. The geotechnical engineering landslide model test device according to claim 1, wherein a first threading hole communicated with the inside of the rectangular groove (16) is formed in the inner wall of the right side of the adjusting groove (9), and a second threading hole is formed in the top of the second connecting rod (20).

4. The geotechnical engineering landslide model test device according to claim 1, wherein the inner walls of the bottoms of the first gas collection cavity (11) and the second gas collection cavity (19) are provided with vent holes.

5. The geotechnical engineering landslide model test device according to claim 1, wherein a first through hole communicated with the rectangular groove (16) is formed in the inner wall of the left side of the first gas collection cavity (11), the inner wall of the first through hole is in sliding contact with the outer wall of the first connecting rod (14), the left end of the first connecting rod (14) penetrates through the first through hole, extends to the inside of the rectangular groove (16) and is fixedly connected with a first pull plate (15), one end, far away from the second pull plate (22), of the connecting rod (17) penetrates through the second threading hole, the third threading hole and the first threading hole in sequence and extends into the rectangular groove (16) to be fixedly connected with the left side of the first pull plate (15).

6. The geotechnical engineering landslide model test device according to claim 5, wherein a telescopic spring is wound on the surface of a first connecting rod (14) on the right side of the first pulling plate (15), the left end of the telescopic spring is fixedly connected with the right side of the first pulling plate (15), and the right end of the telescopic spring is fixedly connected with the inner wall on the right side of the rectangular groove (16).

7. The geotechnical engineering landslide model test device according to claim 1, wherein a reset spring (25) is fixedly connected to the top end of the L-shaped limiting plate (26), the top end of the reset spring (25) is fixedly connected with the inner wall above the retraction groove (24), a guide groove (23) is formed in the inner wall of the left side of the retraction groove (24), and a guide block which is matched with the guide groove (23) to slide is fixedly connected to the inner wall of the left side of the L-shaped limiting plate (26).

8. The geotechnical engineering landslide model test device according to claim 1, wherein a second through hole in sliding contact with the outer side of the second connecting rod (20) is formed in the inner wall of the left side of the adjusting groove (9).