Tunnel deformation detection device

Abstract

The utility model relates to the related technical field of tunnel detection, in particular to a tunnel deformation detection device which comprises a base and a supporting frame fixedly installed on the base, and a limiting groove is formed in the supporting frame. The device further comprises a driving piece, the driving piece is arranged on the supporting frame, and the driving piece is connected with a telescopic adjusting piece installed on the supporting frame. The driving part is controlled to work to drive the telescopic adjusting part to rotate relative to the supporting frame, adjustment of the telescopic adjusting part is not affected, the telescopic adjusting part drives the elastic extrusion part to rotate synchronously when rotating on the supporting frame in the direction of the limiting groove, and the elastic extrusion part is driven to rotate synchronously when rotating on the supporting frame in the direction of the limiting groove. After the protrusions on the rock wall make contact with the elastic extrusion pieces, the elastic extrusion pieces are extruded, so that the detection assembly is driven to give way to the protrusions, and the protrusions on the rock wall are prevented from damaging the detection assembly while the tunnel is detected by the detection assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel detection, in particular to a tunnel deformation detection device. Background Technique

[0002] With the further acceleration of the urbanization process, major cities have accelerated the construction and development of urban rail transit. However, due to geological conditions, construction, precipitation and other reasons, stress imbalance is extremely likely to occur, which in turn leads to deformation of rail transit tunnels. If these diseases are not investigated and treated in time, it will pose a serious threat to the safe operation of the tunnel. For example, tunnel deformation, for the deformation of the tunnel wall surface, it is usually the unevenness caused by the spalling of the lining.

[0003] When the existing tunnel deformation detection device is performing detection work, generally, devices such as ground penetrating radar are used to measure the tunnel rock wall. However, the detection device is prone to collide with the protrusions on the tunnel rock wall, causing damage to the detection device and also affecting the subsequent detection work. Content of the Utility Model

[0004] The purpose of the utility model is to provide a tunnel deformation detection device to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A tunnel deformation detection device includes a base and a support frame fixedly installed on the base, and a limiting groove is formed on the support frame;

[0007] It further includes a driving member, the driving member is arranged on the support frame, and the driving member is connected to a telescopic adjusting member installed on the support frame. The telescopic adjusting member can be inserted into the limiting groove and is slidably connected with the limiting groove;

[0008] A detection assembly is connected to an elastic pressing member arranged on the telescopic adjusting member.

[0009] As described above for the tunnel deformation detection device, the driving member includes a driving disk rotatably installed on the support frame. A convex block is arranged at an eccentric position of the driving disk. The convex block is slidably connected with a chute formed on the support frame. One end of the driving disk passing through the support frame is fixed to the telescopic adjusting member through a connecting sleeve.

[0010] As described above, for the tunnel deformation detection device, the telescopic adjustment member includes a lead screw rotatably connected to the connecting sleeve. The lead screw is rotatably connected to an adjustment rod rotatably mounted on the support frame through a bevel gear set. A threaded sleeve is threadedly connected to the lead screw. An insertion groove is formed at one end of the threaded sleeve away from the lead screw. A limit block fixedly mounted on the threaded sleeve is slidably engaged with the limit groove.

[0011] As described above, for the tunnel deformation detection device, the limit groove includes two semi-circular through grooves, and both sides of the two semi-circular through grooves are communicated.

[0012] As described above, for the tunnel deformation detection device, the elastic extrusion member includes a receiving rod slidably disposed in the insertion groove. A connecting plate is fixedly mounted on one end of the receiving rod away from the insertion groove. A pulley is rotatably mounted on the connecting plate;

[0013] It further includes a spring. The spring is disposed in the insertion groove. One end of the spring abuts against the receiving rod, and the other end abuts against the inner bottom of the insertion groove.

[0014] As described above, for the tunnel deformation detection device, the detection component includes a radar detector, and the radar detector is fixed to the connecting plate.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: By controlling the telescopic length of the telescopic adjustment member, the distance between the detection component and the tunnel rock wall is changed. After adjusting to a suitable angle, the driving member is controlled to work to drive the telescopic adjustment member to rotate relative to the support frame, and it does not affect the adjustment of the telescopic adjustment member itself. When the telescopic adjustment member rotates on the support frame along the direction of the limit groove, it drives the elastic extrusion member to rotate synchronously. After the protrusion on the rock wall contacts the elastic extrusion member, it exerts extrusion on the elastic extrusion member, thereby driving the detection component to yield to the protrusion, so as to prevent the protrusion on the rock wall from damaging the detection component while the detection component detects the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the tunnel deformation detection device.

[0017] Figure 2 It is a structural schematic diagram of the support frame and the threaded sleeve in the tunnel deformation detection device.

[0018] Figure 3 It is a structural schematic diagram of the telescopic adjustment member and the driving disk in the tunnel deformation detection device.

[0019] Figure 4 It is a structural schematic diagram of the driving disk and the lead screw in the tunnel deformation detection device.

[0020] Figure 5It is a schematic structural diagram of a threaded sleeve and an elastic extrusion member in a tunnel deformation detection device.

[0021] Figure 6 It is a schematic structural diagram of the elastic extrusion member in the tunnel deformation detection device.

[0022] In the figure: 1, base; 2, support frame; 201, limit groove; 202, sliding groove; 3, driving disc; 301, convex block; 4, connecting sleeve; 5, adjusting rod; 6, bevel gear set; 7, lead screw; 8, threaded sleeve; 801, insertion slot; 9, limit block; 10, receiving rod; 11, spring; 12, connecting plate; 13, radar detector; 14, pulley. Specific embodiments

[0023] Hereinafter, various exemplary embodiments, features and aspects of the present application will be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements having the same or similar functions. Although various aspects of the embodiments are shown in the drawings, the drawings do not have to be drawn to scale unless otherwise specified.

[0024] The special word "exemplary" here means "serving as an example, embodiment or illustration". Any embodiment described as "exemplary" here does not have to be construed as superior or better than other embodiments.

[0025] In addition, in order to better illustrate the present application, numerous specific details are given in the following specific embodiments. Those skilled in the art should understand that the present application can also be implemented without some specific details. In some instances, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the gist of the present application.

[0026] Please refer to Figures 1 to 6 , in the embodiment of the present utility model, a tunnel deformation detection device includes a base 1, a support frame 2, a limit groove 201, a driving member, a telescopic adjustment member, an elastic extrusion member and a detection component.

[0027] Specifically as follows, please refer to Figure 1 , Figure 3 and Figure 4 , including:

[0028] The base 1 and the support frame 2 fixedly installed on the base 1, and a limit groove 201 is formed on the support frame 2;

[0029] It further includes a driving member provided, the driving member is provided on the support frame 2, and the driving member is connected to a telescopic adjustment member installed on the support frame 2, and the telescopic adjustment member can be inserted into the limit groove 201 and is slidably connected to the limit groove 201;

[0030] The detection component is connected to an elastic pressing component arranged on the telescopic adjusting component.

[0031] Preferably, a plurality of universal wheels are arranged at the bottom of the base 1 to facilitate the overall movement of the base 1 during tunnel detection.

[0032] Specifically, in this embodiment, when using the tunnel deformation detection device of the present utility model, during tunnel detection, by controlling the telescopic length of the telescopic adjusting component, the distance between the detection component and the tunnel rock wall is changed. After adjusting to a suitable angle, the driving component is controlled to work to drive the telescopic adjusting component to rotate relative to the support frame 2, and it has no influence on the adjustment of the telescopic adjusting component itself. When the telescopic adjusting component rotates on the support frame 2 along the direction of the limiting groove 201, it drives the elastic pressing component to rotate synchronously. After the protrusion on the rock wall contacts the elastic pressing component, it exerts pressure on the elastic pressing component, thereby driving the detection component to give way to the protrusion, so as to prevent the protrusion on the rock wall from damaging the detection component while the detection component performs the detection work on the tunnel.

[0033] It should be noted that there is a communication connection between the detection component and the computer. When the detection component performs the detection work, the detected data is sent to the computer, and the computer calculates the deformation degree of the tunnel according to methods such as data comparison.

[0034] Please refer to Figure 2 and Figure 3 , the driving component includes a driving disk 3 rotatably installed on the support frame 2. A convex block 301 is arranged at an eccentric position of the driving disk 3. The convex block 301 is slidably connected to a sliding groove 202 formed on the support frame 2. One end of the driving disk 3 passing through the support frame 2 is fixed to the telescopic adjusting component through a connecting sleeve 4.

[0035] When officially performing tunnel detection, after the telescopic length of the telescopic adjusting component has been adjusted, the driving disk 3 is manually controlled to rotate. Among them, because the top of the existing tunnel is generally designed with an arc-like structure, the driving disk 3 rotates at an angle of about 180°. When the driving disk 3 rotates, it drives the telescopic adjusting component to rotate synchronously. Under the limiting action of the convex block 301 and the sliding groove 202, the requirement for the telescopic adjusting component to rotate relative to the support frame 2 is realized.

[0036] Please refer to Figure 4 and Figure 5 , the telescopic adjusting component includes a lead screw 7 rotatably connected to the connecting sleeve 4. The lead screw 7 is rotatably connected to an adjusting rod 5 rotatably installed on the support frame 2 through a bevel gear set 6. A threaded sleeve 8 is threadedly connected to the lead screw 7. A plugging groove 801 is formed at one end of the threaded sleeve 8 away from the lead screw 7. A limiting block 9 that is slidably matched with the limiting groove 201 is fixedly installed on the threaded sleeve 8.

[0037] Preferably, the limiting groove 201 includes two semi-circular through grooves, and both sides of the two semi-circular through grooves are communicated.

[0038] It should be noted that the connecting sleeve 4 is arranged in an L-shaped structure, one end is rotatably connected to the lead screw 7, and the other end is rotatably connected to the driving disc 3, so that when the driving disc 3 rotates, it can drive the lead screw 7 to revolve, and it has no influence on the rotational connection between the lead screw 7 and the adjusting rod 5, and the bevel gear set 6 is always in a meshed state.

[0039] Specifically, by controlling the rotation of the adjusting rod 5, the distance between the detection component and the tunnel rock wall can be changed. When the adjusting rod 5 rotates, it drives the lead screw 7 to rotate under the action of the bevel gear set 6. When the lead screw 7 rotates, it drives the threaded sleeve 8 to move along the axial direction of the lead screw 7. It should be noted that when the threaded sleeve 8 moves relative to the lead screw 7, the limiting block 9 must be at both ends of the semi-circular through groove. At this time, the limiting block 9 moves along a direction parallel to the radial direction of the adjusting rod 5. And after the limiting block 9 moves from the inner semi-circular through groove to the outer semi-circular through groove, the rotation requirement of the adjusting rod 5 is stopped, so as to change the distance between the detection component and the tunnel rock wall. And after the detection is completed, the adjusting rod 5 is rotated again to realize the reset of the threaded sleeve 8, reducing the space occupation in the unused situation.

[0040] Please refer to Figure 6 , the elastic extrusion member includes a receiving rod 10 slidably arranged in the insertion groove 801. A connecting plate 12 is fixedly installed at one end of the receiving rod 10 away from the insertion groove 801, and a pulley 14 is rotatably installed on the connecting plate 12;

[0041] It also includes a spring 11. The spring 11 is arranged in the insertion groove 801. One end of the spring 11 abuts against the receiving rod 10, and the other end abuts against the inner bottom of the insertion groove 801.

[0042] The detection component includes a radar detector 13, and the radar detector 13 is fixed to the connecting plate 12.

[0043] Furthermore, the elastic extrusion member changes its position with the movement of the threaded sleeve 8, and when the driving disc 3 rotates, the elastic extrusion member rotates relative to the support frame 2 with the driving disc 3 as the center. Among them, when the pulley 14 contacts the protrusion on the rock wall during the rotation process, the pulley 14 is squeezed, driving the connecting plate 12 and the receiving rod 10 to move towards the threaded sleeve 8. At this time, the receiving rod 10 squeezes the spring 11, and the spring 11 is squeezed to store elastic potential energy, so that the pulley 14 gives way to the protrusion on the rock wall. When the connecting plate 12 moves, it drives the radar detector 13 to move synchronously, so as to prevent the radar detector 13 from colliding with the protrusion on the rock wall when detecting the tunnel deformation.

[0044] In the initial state, the spring 11 is in a compressed state to avoid the influence of the overall self-weight on the spring 11 by the receiving rod 10, thereby affecting the position of the detection component.

[0045] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed claim.

[0046] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tunnel deformation detection device, characterized in that: It comprises a base (1) and a support frame (2) fixedly mounted on the base (1), wherein a limiting groove (201) is formed on the support frame (2); It also includes a driving member, the driving member is arranged on the support frame (2), and the driving member is connected to a telescopic adjustment member installed on the support frame (2), and the telescopic adjustment member can be inserted into the limiting groove (201) and is slidably connected to the limiting groove (201); The detection component is connected to the elastic extrusion member arranged on the telescopic adjustment member.

2. A tunnel deformation detection device according to claim 1, characterized in that: The driving member comprises a driving disk (3) rotatably mounted on the support frame (2); a protrusion (301) is provided at an eccentric position of the driving disk (3); the protrusion (301) is slidably connected to a slide groove (202) formed on the support frame (2); one end of the driving disk (3) passes through the support frame (2) and is fixed to the telescopic adjustment member via a connecting sleeve (4).

3. A tunnel deformation detection device according to claim 2, characterized in that: The telescopic adjustment member comprises a screw rod (7) rotatably connected to the connecting sleeve (4); the screw rod (7) is rotatably connected to an adjustment rod (5) rotatably mounted on the support frame (2) via a bevel gear set (6); a threaded sleeve (8) is threadedly connected to the screw rod (7); a plug-in groove (801) is formed on one end of the threaded sleeve (8) away from the screw rod (7); and a limit block (9) slidably matched with the limit groove (201) is fixedly mounted on the threaded sleeve (8).

4. A tunnel deformation detection device according to claim 1, characterized in that: The limiting groove (201) comprises two semicircular through grooves, and the two sides of the two semicircular through grooves are connected.

5. The tunnel deformation detection device according to claim 3, characterized in that: The elastic extrusion member comprises a receiving rod (10) slidably arranged in the plug-in slot (801), a connecting plate (12) is fixedly mounted on one end of the receiving rod (10) away from the plug-in slot (801), and a pulley (14) is rotatably mounted on the connecting plate (12); It also includes a spring (11), which is arranged in the plug-in slot (801), one end of the spring (11) abuts against the receiving rod (10), and the other end abuts against the inner bottom of the plug-in slot (801).

6. A tunnel deformation detection device according to claim 5, characterized in that: The detection component comprises a radar detector (13), and the radar detector (13) is fixed to the connecting plate (12).

Images