Test device for simulating settlement of support

Abstract

The utility model relates to a testing device, belongs to the technical field of testing devices for structural simulation, and particularly relates to a testing device for simulating support settlement, which comprises a bottom plate and a pair of supporting plates, the pair of supporting plates are fixedly mounted on the surface of the bottom plate, and settlement grooves are formed in the pair of supporting plates. Two groups of through holes are formed in the tops of the pair of supporting plates; the device further comprises a movable pulley assembly and a fixed pulley assembly; according to the utility model, the effect of enhancing the practicability of the device is achieved, and the problem that corresponding test equipment capable of simulating and controlling the settlement speed and the settlement distance for supporting the settlement structure is lacked due to the fact that the stress deformation characteristics of the structure under the settlement working condition of the support are mostly explored by adopting a model test method in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of test device of structure simulation, especially a test device for simulating support settlement. BACKGROUND

[0002] The mine conveyor is developing in the direction of large span, long distance and large capacity, and it is more and more common to cross valleys, rivers, roads, buildings and other obstacles in the transportation process. When the structure passes through the coal mine goaf, it will face the risk of support settlement and emptying.

[0003] Through the search, the patent with the announcement number CN207456799U discloses a test device for simulating uneven settlement of rail transit tunnel, which comprises a cylindrical test box body, a plurality of movable settlement bottom plates, a tunnel model and a simulated soil body. The settlement bottom plates are arranged in close proximity and constitute the bottom of the test box body. The tunnel model is arranged in the test box body and is deeply buried in the simulated soil body. The test device further comprises a settlement side wall, a level gauge vertically arranged on the tunnel model, and a driving mechanism for controlling the settlement of the settlement bottom plates. The settlement side wall is connected to the two side surfaces of the settlement bottom plates by extending downward. The two end surfaces of the settlement bottom plates are in close contact with the test box body. The plurality of settlement bottom plates are connected to the driving mechanism. The test device can simulate the deformation, stress, settlement and inclination of the tunnel model under the condition of uneven settlement of the soil body, so as to understand the dynamic stability of the soil body and the tunnel settlement change rule, and can provide a basis for soil body and tunnel reinforcement and treatment.

[0004] Based on the above search and the existing technology, it is found that

[0005] Although the above patent can understand the tunnel change rule, the existing method mainly adopts the model test method to explore the stress deformation characteristics of the structure under the support settlement condition, and lacks the corresponding test equipment capable of simulating and controlling the settlement speed and the settlement distance of the settlement structure support, so there is certain limitation. Utility model content

[0006] In order to solve the above technical problems, the utility model provides a test device for simulating support settlement, which is convenient for settlement model test and has good effect.

[0007] The technical solution for realizing the utility model is as follows: a test device for simulating support settlement, comprising a bottom plate and a pair of support plates, the pair of support plates are fixedly installed on the surface of the bottom plate, a settlement groove is formed in each of the pair of support plates, two groups of through holes are formed in the top of the pair of support plates, and the test device further comprises a movable pulley assembly and a fixed pulley assembly.

[0008] A movable pulley assembly is arranged on the support plate, and the movable pulley assembly comprises a connecting rod I clamped in one of the settlement tanks;

[0009] A fixed pulley assembly is arranged on the top of the support plate, and the fixed pulley assembly comprises a connecting rod II clamped in the inner wall of the through hole.

[0010] Preferably, one end of the connecting rod I is fixedly installed with a movable pulley I, the other end of the connecting rod I is sleeved with a movable pulley II, the other end of the connecting rod I is inserted with a fixed pin I, and the fixed pin I is clamped on one side of the movable pulley II.

[0011] Preferably, one end of the connecting rod II is fixedly installed with a fixed pulley I, the other end of the connecting rod II is sleeved with a fixed pulley II, the other end of the connecting rod II is inserted with a fixed pin II, and the fixed pin II is clamped on one side of the fixed pulley II.

[0012] Preferably, a plurality of slot holes are formed in the fixed pulley I and the fixed pulley II, a bolt is inserted in the slot hole, a rocker is fixedly installed on one side of the fixed pulley I, a non-slip sleeve is sleeved on the outside of the rocker, and a spool is fixedly installed on the fixed pulley I.

[0013] Preferably, a plurality of inclined support plates are fixedly installed between the bottom plate and the support plate, and a scale line is fixedly installed on the settlement tank.

[0014] Preferably, a cable is fixedly installed on the other group of through holes, the cable is connected with the movable pulley I and the fixed pulley I, and one end of the cable is arranged on the spool.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] Firstly, the present application has a simple and reasonable structure, is convenient to operate, can control the settlement speed and the settlement distance, achieves the purpose of restoring the actual engineering, and facilitates the settlement model test.

[0017] Secondly, the present application uses the fixed pulley assembly and the movable pulley assembly in cooperation, so that the device has good effect during construction, achieves the ideal construction state, improves the construction speed and guarantees the construction quality, and saves time and effort.

[0018] The present application solves the problem that the existing method mainly uses model test to explore the stress deformation characteristics of the structure under the support settlement working condition, and lacks corresponding test equipment capable of simulating and controlling the settlement speed and the settlement distance of the sinkable structure support. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further explained in combination with the drawings and embodiments:

[0020] Figure 1 is the overall first perspective structure schematic view provided by the utility model;

[0021] Figure 2 is the side view plane structure schematic view provided by the utility model;

[0022] Figure 3 is the front view plane structure schematic view provided by the utility model;

[0023] Figure 4 is the fixed pulley assembly and the fixed pulley assembly structure schematic view provided by the utility model.

[0024] Mark explanation:

[0025] 1, bottom plate, 2, support plate, 3, movable pulley assembly, 301, connecting rod one, 302, movable pulley one, 303, fixed pin one, 304, movable pulley two, 4, fixed pulley assembly, 401, connecting rod two, 402, fixed pulley one, 403, rocker, 404, antiskid sleeve, 405, fixed pin two, 406, bolt, 407, slot hole, 408, spool, 409, fixed pulley two, 5, cable, 6, inclined support plate, 7, settling tank, 8, through hole, 9, scale line. Specific implementation

[0026] The utility model will be described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0027] The utility model improves a kind of test device for simulating support settlement, and the technical scheme of the utility model is:

[0028] As Figures 1-4 Shown in the drawing, a kind of test device for simulating support settlement, including bottom plate 1 and a pair of support plate 2, a pair of support plate 2 is fixedly installed on the surface of bottom plate 1, a pair of support plate 2 is all set with settling tank 7, the top of a pair of support plate 2 is set with two groups of through holes 8, for the installation of device provides good auxiliary effect, still include movable pulley assembly 3 and fixed pulley assembly 4;

[0029] Movable pulley assembly 3, movable pulley assembly 3 is set on support plate 2, movable pulley assembly 3 includes the connecting rod one 301 of being clamped in one group of settling tank 7 inside, improve the flexibility of device, utilize the characteristics of pulley and drive device operation, save time and effort;

[0030] The fixed pulley assembly 4 is arranged on the top of the support plate 2, and the fixed pulley assembly 4 comprises a connecting rod two 401 clamped on the inner wall of the through hole 8, which controls the construction position and construction speed and guarantees the construction quality.

[0031] Further, one end of the connecting rod one 301 is fixedly provided with a movable pulley one 302, the other end of the connecting rod one 301 is sleeved with a movable pulley two 304, and the other end of the connecting rod one 301 is inserted with a fixed pin one 303 clamped on one side of the movable pulley two 304, so that the structure is simple and reasonable, and the settlement speed and distance can be controlled.

[0032] Further, one end of the connecting rod two 401 is fixedly provided with a fixed pulley one 402, the other end of the connecting rod two 401 is sleeved with a fixed pulley two 409, and the other end of the connecting rod two 401 is inserted with a fixed pin two 405 clamped on one side of the fixed pulley two 409, so that the pulley is convenient to disassemble and install, the practicability of the device is improved, and construction is facilitated.

[0033] As a further scheme of the utility model, a plurality of slot holes 407 are formed on the fixed pulley one 402 and the fixed pulley two 409, a bolt 406 is inserted into the slot hole 407, a rocker 403 is fixedly arranged on one side of the fixed pulley one 402, an antiskid sleeve 404 is sleeved on the outside of the rocker 403, a wire shaft 408 is fixedly arranged on the fixed pulley one 402, the bolt 406 is installed to control the settlement distance, and the construction position is prevented from being changed due to the rotation of the pulley.

[0034] Further, a plurality of inclined support plates 6 are fixedly arranged between the bottom plate 1 and the support plate 2, and a scale line 9 is fixedly arranged on the settlement groove 7, so that the settlement distance is convenient to control, and the stability of the device is improved.

[0035] Further, another group of through holes 8 are fixedly provided with a cable 5, the cable 5 is connected with the movable pulley one 302 and the fixed pulley one 402, one end of the cable 5 is arranged on the wire shaft 408, the cable 5 is connected, the rocker 403 is rotated, the movable pulley assembly 3 is moved up and down, and the labor-saving effect is good.

[0036] The specific working method is as follows: firstly, the fixed pulley assembly 4 and the movable pulley assembly 3 are assembled on the support plate 2, the movable pulley assembly 3 is placed in the settlement groove 7, the connecting rod two 401 in the fixed pulley assembly 4 is inserted into the through hole 8, the fixed pulley one 402, the rocker 403 and the wire shaft 408 are designed in an integrated manner, the cable 5 is connected between the fixed pulley one 402 and the movable pulley one 302, the two ends of the cable 5 are fixed with the wire shaft 408 and the through hole 8, the rocker 403 is rotated to shrink or lengthen the cable 5 to drive the movable pulley assembly 3 to move up and down, so that the settlement distance is controlled, the bolt 406 is inserted when the construction position is reached, the settlement is stopped, and the inclined support plate 6 is arranged as a reinforcing component to guarantee the stability of the support plate 2.

[0037] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above technical means, and also include technical schemes composed by equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A test device for simulating abutment settlement, comprising a base plate (1) and a pair of support plates (2), the pair of support plates (2) being fixedly installed on the surface of the base plate (1), characterized in that: A pair of said support plate (2) are provided with a settling tank (7), a pair of said support plate (2) top is provided with two groups of through hole (8), also includes; Movable pulley assembly (3), the movable pulley assembly (3) is arranged on the support plate (2), the movable pulley assembly (3) includes the connecting rod one (301) clamped in one of the settling tank (7) inside; Fixed pulley assembly (4), the fixed pulley assembly (4) is arranged on the top of support plate (2), the fixed pulley assembly (4) includes the connecting rod two (401) clamped in the through hole (8) inner wall.

2. A test apparatus for simulating settlement of a support according to claim 1, characterized in that: One end of the connecting rod one (301) is fixedly installed with movable pulley one (302), the other end of the connecting rod one (301) is sleeved with movable pulley two (304), the other end of the connecting rod one (301) is inserted with fixed pin one (303), the fixed pin one (303) is clamped in one side of movable pulley two (304).

3. A test apparatus for simulating settlement of a support according to claim 1, characterized in that: One end of the connecting rod two (401) is fixedly installed with fixed pulley one (402), the other end of the connecting rod two (401) is sleeved with fixed pulley two (409), the other end of the connecting rod two (401) is inserted with fixed pin two (405), the fixed pin two (405) is clamped in one side of fixed pulley two (409).

4. A test apparatus for simulating settlement of a support according to claim 3, characterized in that: The fixed pulley one (402) and fixed pulley two (409) are provided with a plurality of slot holes (407), the slot hole (407) is inserted with the bolt (406), one side of the fixed pulley one (402) is fixedly installed with the rocker (403), the outer portion of the rocker (403) is sleeved with the anti-skid sleeve (404), the fixed pulley one (402) is fixedly installed with the spool (408).

5. The test apparatus for simulating settlement of a support according to claim 1, wherein: The bottom plate (1) and support plate (2) are fixedly installed with a plurality of inclined struts (6), the settling tank (7) is fixedly installed with scale line (9).

6. The test apparatus for simulating settlement of a support according to claim 1, wherein: The other group of through hole (8) is fixedly installed with cable (5), the cable (5) is connected with movable pulley one (302) and fixed pulley one (402), one end of the cable (5) is arranged on the spool (408).

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