A tunnel deformation detection device

Abstract

The utility model discloses a tunnel deformation detection device relates to tunnel detection technical field, including track body, its laying in the tunnel inside, gyro wheel body, its can be driven continuously extrude the lateral wall of track body, gyro wheel body and track body rolling connection, the first pipe that can move in first direction is arranged to the application, the extrusion that the side of first pipe is far away from track body can force first pipe and gyro wheel body along with first direction movement, first pipe along with first direction movement after driving gyro wheel body along with first direction movement, the gap between gyro wheel body and track body because of abrasion leads to at the initiative of gyro wheel body displacement under the gap of gyro wheel body is made up, the existing tunnel deformation detection device has solved, and the problem that the limiting mechanism can produce abrasion after long time use, can lead to detection device in the tunnel inside inclination, influences detection result.

Description

Technical Field

[0001] This utility model relates to the field of tunnel detection technology, and in particular to a tunnel deformation detection device. Background Technology

[0002] As a critical infrastructure in transportation, water conservancy, and mining, the structural stability of tunnels during construction and operation directly affects personnel safety, project quality, and operational efficiency. During tunnel excavation, support, and long-term use, tunnels are highly susceptible to structural deformation problems such as surrounding rock deformation, lining cracking, cross-sectional convergence, and settlement due to various factors including ground pressure, groundwater action, construction disturbance, changes in surrounding rock properties, and long-term loads. Failure to monitor these deformations in a timely and accurate manner can lead to serious safety accidents such as tunnel collapse and structural damage, causing significant casualties and economic losses. Therefore, tunnel deformation detection is one of the core aspects of ensuring safe construction and long-term stable operation of tunnel projects.

[0003] Currently, most existing tunnel deformation detection devices rely on tracks laid inside the tunnel for movement in conjunction with traction equipment. However, prolonged use has revealed that these devices typically use two roller sets at the bottom that are adapted to the tracks for movement. Limiting mechanisms on both sides of the roller sets prevent the device from tilting or derailing. However, these limiting mechanisms rub against the tracks during actual use, and over time, the contact points between the limiting mechanisms and the tracks become worn down, creating gaps. These gaps cause the detection device to tilt to the sides during movement, potentially preventing it from aligning with the tunnel's arched surface. Ultimately, this results in distorted tunnel detection and affects the final test results. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a tunnel deformation detection device, which solves the problem that after prolonged use, the limiting mechanism of existing tunnel deformation detection devices will wear down, causing the detection device to tilt inside the tunnel and affecting the detection results.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A tunnel deformation detection device, comprising:

[0007] The mounting mechanism and the detector body are fixedly mounted on the mounting mechanism;

[0008] The track itself is used to be laid inside the tunnel to be tested;

[0009] A roller assembly is mounted on the opposite side wall of the mounting mechanism via a support mechanism, the support mechanism being rotatably connected to the mounting mechanism; a pressing mechanism is provided between the roller assembly and the support mechanism, allowing the roller assembly to separate from or come into close contact with the side wall of the track body.

[0010] Furthermore, the roller assembly includes a first tube and a roller body, the roller body being rotatably connected to the first tube, the side of the first tube away from the track body abutting against the extrusion mechanism, and the roller body being able to make close contact with the track body under the action of the extrusion mechanism.

[0011] The tunnel deformation detection device of this application, based on the rotational connection between the support mechanism and the installation mechanism, allows the roller assembly to be flipped and engaged with the track body by the support mechanism when needed, enabling the detector body to move along the track body to detect tunnel conditions. When not in use, the roller assembly can be flipped in the opposite direction by the support mechanism to separate it from the track body, facilitating storage and installation. Furthermore, the tunnel deformation detection device of this application, based on the compression mechanism, can automatically adjust the compression force of each roller assembly on the track body, ensuring continuous and tight contact between the roller assembly and the track body. This prevents the detector body above the installation mechanism from tilting, ensuring the operational stability of the entire device and obtaining accurate detection data.

[0012] In the tunnel deformation detection device of this application, the installation mechanism specifically includes a first plate, on which two opposite sidewalls are fixedly connected with bearing seats.

[0013] The support mechanism includes a support assembly, which includes an L-shaped support rod. One end of the L-shaped support rod has a third plate, which is rotatably connected to the bearing seat.

[0014] Furthermore, below the bearing seat, a second plate is fixedly connected to the side wall of the first plate, and a first hole is provided at the end of the second plate away from the first plate.

[0015] The third plate has a second hole, the center of which can be aligned with the center of the first hole after the third plate is rotated, and a rod is inserted into the first hole and the second hole.

[0016] Based on the above structure, the insert rod can be inserted into the first hole and the second hole simultaneously to fix the support assembly (limiting the rotation of the L-shaped support rod), so as to prevent the L-shaped support rod from rotating under the action of external force and causing the device to become unstable; when the device is not in use, the insert rod can be removed and the L-shaped support rod can be rotated to disassemble it from the track body.

[0017] In the tunnel deformation detection device of this application, the surface of the L-shaped support rod away from the third plate is provided with a first thread;

[0018] The extrusion mechanism includes a first annular component, a second annular component, and a spring. The first annular component is threadedly connected to the first thread, and the second annular component is slidably sleeved with the first thread. The spring is sleeved on the outer wall of the first thread and abuts against the first annular component and the second annular component. The second annular component makes extrusion contact with the end of the first tube that is away from the track body.

[0019] Based on the above structure, rotating the first annular component allows the spring to accumulate elastic potential energy, applying pressure to the first tube to drive the roller body to press against the side wall of the track body, enabling the roller body to continuously press against the side wall of the track body and prevent the detector body from tilting. When the pressing force on the side of the first tube away from the track body is changed, the pressing force between the roller body and the track body will be changed synchronously. The pressing force on the side of the first tube away from the track body can force the first tube and the roller body to move along the first direction, which is parallel to the ground. After the first tube moves along the first direction, it drives the roller body to move along the first direction. At this time, the gap between the roller body and the track body caused by wear will be filled by the active displacement of the roller body, thereby preventing the detector body above the mounting mechanism from tilting.

[0020] In the tunnel deformation detection device of this application, the first pipe is slidably sleeved with the end of the L-shaped support rod away from the third plate;

[0021] A connecting block is fixedly connected to the inner wall of the first pipe fitting, and a T-shaped structure is fixedly connected to the center of the connecting block; a hollow cavity is opened at the end of the L-shaped support rod away from the third plate, and the T-shaped structure is slidably installed in the hollow cavity.

[0022] Based on the above structure, the T-shaped structure and the hollow cavity mounting structure can prevent the first pipe from detaching from the L-shaped support rod.

[0023] In the tunnel deformation detection device of this application, a handle is fixedly connected to the surface of the first annular component to facilitate rotation of the first annular component, saving time and effort.

[0024] In the tunnel deformation detection device of this application, a scale is provided on the surface of the L-shaped support rod at the end away from the third plate, and a through hole is opened on the surface of the first pipe, the through hole being aligned with the scale. The scale value of the scale can be observed through the through hole to obtain the relative position between structures at any time, serving as an auxiliary observation and reminder function.

[0025] In the tunnel deformation detection device of this application, a movable wheel is fixedly connected to the bottom surface of the first plate, and the movable wheel can move on the track body. The movable wheel can be driven by any driving method in conventional technology (such as drive motor, towing mechanism, etc.) to move on the track body, and at the same time, it also plays a role in stabilizing and supporting the device.

[0026] In the tunnel deformation detection device of this application, the track body has a groove adapted to the movement of the roller body, so that the roller body can move stably in the extension direction of the track.

[0027] This application solves the problem of existing tunnel deformation detection devices having a first tube that can move in a first direction. The compression on the side of the first tube away from the track body forces the first tube and the roller body to move along the first direction, which is parallel to the ground. After the first tube moves along the first direction, it drives the roller body to move along the first direction. At this time, the gap between the roller body and the track body caused by wear will be filled by the active displacement of the roller body. This avoids wear on the surface of the roller body after long-term use, and thus avoids the roller body and the track body from losing contact and forming a gap between them, which would cause the detector body above to tilt or shake, affecting the detection results of the detector body. This solves the problem that the limiting mechanism of the existing tunnel deformation detection device will wear after long-term use, which will cause the detection device to tilt in the tunnel and affect the detection results. Attached Figure Description

[0028] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0029] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0030] Figure 2 This is a side view of the present invention.

[0031] Figure 3 This is a structural diagram of the support mechanism and installation mechanism of this utility model;

[0032] Figure 4 This is an exploded structural diagram of the support mechanism of this utility model;

[0033] Figure 5 This is a partial half-sectional view of the support mechanism of this utility model.

[0034] Legend: 100, Track body; 200, Mounting mechanism; 201, First plate; 202, Shaft seat; 203, Second plate; 204, First hole; 205, Insert rod; 300, Detector body; 400, Support mechanism; 410, Support assembly; 411, L-shaped support rod; 412, Third plate; 413, Second hole; 414, First thread; 415, Hollow cavity; 416, Scale; 420, Pressing mechanism; 421, First ring; 422, Handle; 423, Second ring; 424, Spring; 430, Roller assembly; 431, First tube; 432, Roller body; 433, Connecting block; 434, T-shaped structure; 435, Through hole. Detailed Implementation

[0035] This application provides a tunnel deformation detection device, which effectively solves the problem that in existing tunnel deformation detection devices, the limiting mechanism will wear after long-term use, causing the detection device to tilt in the tunnel and affecting the detection results.

[0036] Most existing tunnel deformation detection devices rely on tracks laid inside the tunnel for movement in conjunction with traction equipment. However, prolonged use has revealed that these devices typically use two roller sets at the bottom that are adapted to the tracks for movement. Limiting mechanisms on both sides of the roller sets prevent the device from tilting or derailing. However, these limiting mechanisms rub against the tracks during actual use, and over time, the contact points between the limiting mechanisms and the tracks become worn down, creating gaps. These gaps cause the detection device to tilt to the sides during movement, potentially preventing it from aligning with the tunnel's arched surface. Ultimately, this results in distorted tunnel detection and affects the final test results.

[0037] To address the problems existing in the prior art, this utility model provides a tunnel deformation detection device;

[0038] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the tunnel deformation detection device includes a track body 100, a roller body 432, and a first pipe 431. The track body 100 is laid inside the tunnel. The roller body 432 can be driven to continuously press against the side wall of the track body 100. The track body 100 has a groove adapted to the movement of the roller body 432 so that the roller body 432 can move stably along the extension direction of the track. The roller body 432 is in a rolling connection with the track body 100. The roller body 432 continuously presses against the side wall of the track body 100, thereby preventing the roller body 432 from losing contact with the track body 100 and causing a gap between the roller body 432 and the track body 100, which would cause the detector body 300 above to tilt and affect the detection results of the detector body 300. The track body 100 and the detector body 300 are detailed below. In this embodiment, the first tube 431 is cylindrical and made of stainless steel. The roller body 432 is rotatably connected to the first tube 431 via a bearing. The side of the first tube 431 away from the track body 100 is continuously compressed. The compression force on the side of the first tube 431 away from the track body 100 can be changed. By applying pressure to the first tube 431, the roller body 432 is driven to press against the side wall of the track body 100, so that the roller body 432 can continuously press against the track body 100, preventing the detector body 300 from tilting. When the compression force on the side of the first tube 431 away from the track body 100 is changed, the compression force between the roller body 432 and the track body 100 will be changed synchronously. The compression on the side of the first tube 431 away from the track body 100 can force the first tube 431 and the roller body 432 to move along a first direction, which is parallel to the ground. The first direction is F1. After the first tube 431 moves along the first direction, it drives the roller body 432 to move along the first direction. At this time, the gap between the roller body 432 and the track body 100 caused by wear will be filled by the active displacement of the roller body 432. By changing the squeezing force on the first tube 431, the squeezing force of the roller body 432 on the track body 100 is changed. In actual use, the wear degree between each roller body 432 is different. The squeezing force of each roller body 432 on the track body 100 can be adjusted in conjunction with the support component 410 and the squeezing mechanism 420 to support the mounting mechanism 200, ensuring that the roller body 432 and the track body 100 maintain a tight contact, thereby preventing the detector body 300 above the mounting mechanism 200 from tilting. The mounting mechanism 200, detector body 300, support component 410 and squeezing mechanism 420 are detailed below.

[0039] like Figure 1 , Figure 2 and Figure 3As shown, the tunnel deformation detection device also includes an installation mechanism 200. As a preferred embodiment of the installation mechanism 200, the installation mechanism 200 includes a first plate 201, which is a plate-shaped frame structure welded from stainless steel plates. Six movable wheels are fixedly installed on the bottom surface of the first plate 201. The movement of the first plate 201 can be achieved by using a drive device to drive the rotation of the movable wheels, or hooks can be welded and fixed to two opposite side walls of the first plate 201. The hooks are used to connect to external traction equipment and drag the installation mechanism 200 and its surface mechanism along the track body 100. This embodiment does not limit the scope of the invention. The other two opposite sidewalls of the first plate 201 are each fixedly connected to at least one bearing 202 by welding. In this embodiment, three bearings 202 are preferably provided. The two sidewalls of the first plate 201 are also fixedly connected to three second plates 203 corresponding to the bearings 202 by welding. The end of each of the six second plates 203 away from the first plate 201 is provided with a first hole 204. A rod 205 is inserted into the inner side of the first hole 204. The rod 205 can cooperate with the first hole 204 to limit and fix the support assembly 410, so that the roller body 432 contacts the track body 100.

[0040] like Figure 1 and Figure 2 As shown, the tunnel deformation detection device also includes a detector body 300. As a preferred embodiment of the detector body 300, the detector body 300 is fixedly installed on the top surface of the first plate 201. The detector body 300 is a structure in the prior art, used to detect whether the tunnel is deformed, and includes a battery, a PLC controller, a cross-section scanner and an engineering radar.

[0041] like Figure 3 , Figure 4 and Figure 5As shown, the first pipe fitting 431 is a structure in the roller assembly 430, and the roller assembly 430 is a structure in the support mechanism 400. As a preferred embodiment of the support mechanism 400, the inner wall of the first pipe fitting 431 is fixedly connected to the connecting block 433 by welding. The center of the connecting block 433 is fixedly connected to the T-shaped structure 434 by welding. The T-shaped structure 434 is used to prevent the first pipe fitting 431 from disengaging from the first thread 414. The first thread 414 is detailed below. The support mechanism 400 includes a support component 410, which includes an L-shaped support rod 411. One end of the L-shaped support rod 411 is fixedly connected to a third plate 412 by welding. The third plate 412 is rotatably connected to the bearing seat 202 via a damping shaft. A second hole 413 is provided on the surface of the third plate 412. When the third plate 412 is rotated until the second hole 413 on it is aligned with the first hole 204 on the second plate 203, the insertion rod 205 can be inserted into the second hole 413 and the first hole 204 to limit and fix the third plate 412, so that the roller body 432 will not separate from the track body 100 when it abuts against the track body 100. When it is necessary to separate the roller body 432 from the track body 100, it is only necessary to remove the insertion rod 205 and flip the third plate 412 upward, which facilitates the installation and use of the detection device of this application. In this embodiment, the surface of the L-shaped support rod 411 away from the third plate 412 is provided with a first thread 414, and a hollow cavity 415 is opened at the end of the L-shaped support rod 411 away from the third plate 412. A scale 416 is provided on the surface of the end of the L-shaped support rod 411 away from the third plate 412 by inlaying or pasting. Rotating the handle 422 on the first thread 414 can make the handle 422 move along the first direction ( Figure 4The first tube 431 moves, thereby compressing the spring 424. Through the through hole 435, the scale value on the scale 416 can be obtained at any time, making it convenient for the user to observe the position of the first tube 431 relative to the surface of the L-shaped support rod 411, and thus infer whether the T-shaped structure 434 is inside the hollow cavity 415. This prevents the T-shaped structure 434 from reaching the end position of the hollow cavity 415, which would prevent the first tube 431 from moving along the first direction and thus affecting subsequent normal use. The scale 416 plays an auxiliary observation and reminder role. The support mechanism 400 also includes a pressing mechanism 420, which includes a first annular member 421. The first annular member 421 is threadedly connected to the first thread 414 on the L-shaped support rod 411. A handle 422 is integrally formed on the surface of the first annular member 421 by welding or casting. The pressing mechanism 420 also includes a second annular member 423, which is slidably sleeved with the first thread 414. Both the first annular member 421 and the second annular member 423 are stepped annular cylindrical structures made of stainless steel. The pressing mechanism 420 also includes a spring 424, whose two ends abut against the first annular member 421 and the second annular member 423, respectively. The second annular member 423 is pressed against the end of the first tube 431 away from the track body 100. Under the influence of the spring 424, the second annular member 423... 423 can continuously squeeze the first tube 431, causing the roller body 432 to abut against the track body 100. When the roller body 432 wears, the first tube 431 moves along the first direction under the influence of the spring 424 and the second ring 423, thereby driving the roller body 432 to press tightly against the track body 100. When the roller body 432 wears a lot after long-term use, the elastic potential energy of the spring 424 is released more, and the squeezing force on the second ring 423 will decrease. At this time, the operator can rotate the first ring 421 by the handle 422. When the first ring 421 rotates, it moves in the first direction under the influence of the first thread 414. At this time, the first ring 421 can further compress the spring 424, increase the elastic potential energy of the spring 424, and thus increase the squeezing force on the second ring 423. The first tube 431 is slidably sleeved with the end of the L-shaped support rod 411 away from the third plate 412. The surface of the first tube 431 is provided with a through hole 435, which is aligned with the scale 416. The T-shaped structure 434 is slidably connected to the inside of the hollow cavity 415. The hollow cavity 415 is used to cooperate with the T-shaped structure 434 to restrict the movement of the first tube 431 and prevent the first tube 431 from losing contact with the L-shaped support rod 411.

[0042] This application solves the problem of existing tunnel deformation detection devices having a first tube 431 that can move in a first direction. The compression on the side of the first tube 431 away from the track body 100 forces the first tube 431 and the roller body 432 to move along the first direction, which is parallel to the ground and is F1. After the first tube 431 moves along the first direction, it drives the roller body 432 to move along the first direction. At this time, the gap between the roller body 432 and the track body 100 caused by wear will be filled by the active displacement of the roller body 432. This avoids the roller body 432 and the track body 100 from losing contact, which would cause the detector body 300 above to tilt and affect the detection results of the detector body 300. This solves the problem that the limiting mechanism of the existing tunnel deformation detection device will wear after long-term use, which will cause the detection device to tilt in the tunnel and affect the detection results.

[0043] This application changes the pressure exerted by the roller body 432 on the track body 100 by altering the pressure applied to the first pipe fitting 431. In actual use, the wear levels of the various roller bodies 432 differ, allowing for precise adjustment of the pressure exerted by each roller body 432 on the track body 100. This adjustment, combined with the support assembly 410 and the pressing mechanism 420, supports the mounting mechanism 200, preventing deviations in the pressure exerted by the support mechanisms 400 on both sides of the mounting mechanism 200 on the track body 100. This, in turn, prevents the detector body 300 above the mounting mechanism 200 from deviating from its position. The tilting of the spring 424, coupled with metal fatigue after prolonged use, leads to a decrease in the compressive force on the second annular member 423. This decrease in compressive force on the second annular member 423 results in a decrease in the overall support force of the support mechanism 400 on the mounting mechanism 200. This decrease in support force may cause the support mechanism 400 to be unable to support the mounting mechanism 200 and the detector body 300 above it. The adjustable roller body 432 can increase the service life of this application and the overall support force of the support mechanism 400, reducing the problem of decreased support force caused by excessive release of the spring 424.

[0044] The above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A tunnel deformation detection device, characterized in that, include: The mounting mechanism (200) and the detector body (300) are fixedly mounted on the mounting mechanism (200); The track body (100) is used to be laid inside the tunnel to be tested; A roller assembly (430) is mounted on the opposite side wall of the mounting mechanism (200) via a support mechanism (400), and the support mechanism (400) is rotatably connected to the mounting mechanism (200); a pressing mechanism (420) is provided between the roller assembly (430) and the support mechanism (400), and the roller assembly (430) can be separated from or in close contact with the side wall of the track body (100).

2. The tunnel deformation detection device as described in claim 1, characterized in that: The roller assembly (430) includes a first tube (431) and a roller body (432). The roller body (432) is rotatably connected to the first tube (431). The side of the first tube (431) away from the track body (100) abuts against the extrusion mechanism (420). The roller body (432) can be in close contact with the track body (100) under the action of the extrusion mechanism (420).

3. The tunnel deformation detection device as described in claim 2, characterized in that: The mounting mechanism (200) includes a first plate (201), on which two opposite sidewalls are fixedly connected bearings (202). The support mechanism (400) includes a support assembly (410), which includes an L-shaped support rod (411). One end of the L-shaped support rod (411) has a third plate (412), which is rotatably connected to the bearing (202).

4. The tunnel deformation detection device as described in claim 3, characterized in that: Below the bearing seat (202), a second plate (203) is also fixedly connected to the side wall of the first plate (201), and a first hole (204) is provided at the end of the second plate (203) away from the first plate (201). The third plate (412) has a second hole (413), the center of the second hole (413) can be aligned with the center of the first hole (204) after the third plate (412) is rotated, and a plug (205) is inserted into the first hole (204) and the second hole (413).

5. The tunnel deformation detection device as described in claim 3, characterized in that: The surface of the L-shaped support rod (411) away from the third plate (412) is provided with a first thread (414). The extrusion mechanism (420) includes a first annular member (421), a second annular member (423), and a spring (424). The first annular member (421) is threadedly connected to the first thread (414), and the second annular member (423) is slidably sleeved with the first thread (414). The spring (424) is sleeved on the outer wall of the first thread (414) and abuts against the first annular member (421) and the second annular member (423). The second annular member (423) is in extrusion contact with the end of the first tube (431) away from the track body (100).

6. The tunnel deformation detection device as described in claim 5, characterized in that: The first pipe fitting (431) is slidably sleeved with the end of the L-shaped support rod (411) away from the third plate (412); The inner wall of the first pipe fitting (431) is fixedly connected to a connecting block (433), and a T-shaped structure (434) is fixedly connected to the center of the connecting block (433); a hollow cavity (415) is opened at one end of the L-shaped support rod (411) away from the third plate (412), and the T-shaped structure (434) is slidably installed in the hollow cavity (415).

7. The tunnel deformation detection device as described in claim 5, characterized in that: A handle (422) is fixedly connected to the surface of the first annular member (421).

8. The tunnel deformation detection device as described in claim 3, characterized in that: A scale (416) is provided on the surface of the L-shaped support rod (411) away from the third plate (412), and a through hole (435) is provided on the surface of the first tube (431), with the through hole (435) aligned with the scale (416).

9. A tunnel deformation detection device as described in claim 3, characterized in that: The bottom surface of the first plate (201) is fixedly connected with a movable wheel, which can travel on the track body (100).

10. A tunnel deformation detection device as described in claim 2, characterized in that: The track body (100) has a groove adapted to the movement of the roller body (432).

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