A device for detecting rapid deformation of a tunnel

Abstract

The utility model relates to tunnel construction technical field, concretely is a kind of tunnel deformation fast detection device, including support, multiple measuring instrument and acquisition card;Every two the measuring instrument is a group installed on support, and every group of measuring instrument is oppositely arranged, and its measuring direction is the opposite direction of same straight line;The measuring instrument is all connected with acquisition card electrically;The shell that the measuring instrument and acquisition card cover are arranged in on the support;The tunnel deformation fast detection device, support provides installation and connection function, and it is convenient for measuring instrument to carry out the installation and operation of multiple scene, and multiple group measuring instrument can quickly carry out data acquisition to two directions of same straight line, improve data acquisition accuracy and acquisition efficiency;Shell can measure the protection measuring instrument in operation process, improve equipment use safety;With acquisition card, realize the data unified transmission of multiple measuring instruments in detection process, improve the accuracy of data measurement;Overall improve the efficiency of tunnel deformation measurement work.

Description

Technical Field

[0001] This utility model relates to the field of tunnel construction technology, specifically to a rapid detection device for tunnel deformation. Background Technology

[0002] Tunnels are engineering structures buried underground, representing a form of human utilization of underground space. Monitoring and measurement refer to the regular observation and measurement of the deformation and stability of the surrounding rock, surface, and support structure, as well as the dynamics of the surrounding environment during tunnel construction.

[0003] Conventional tunnel monitoring and measurement is carried out manually after blasting or excavation, using measuring instruments or total stations. This method is inefficient and poses an accident risk to personnel. Currently, laser measurement is widely used for this purpose.

[0004] Chinese invention patent publication CN110530290A discloses a laser scanning measurement device and method for tunnel cross-sections, including four laser scanning sensors and a data acquisition and storage device. The four laser scanning sensors are mounted on a detection vehicle. Two laser scanning sensors, forming a first pair, are mounted back-to-back and are used to scan the tunnel's contours from both sides to the top laterally, perpendicular to the tunnel direction. The other two laser scanning sensors, forming a second pair, are mounted back-to-back and are used to scan the tunnel's contours from both sides to the top at an angle. The data acquisition and storage device is connected to the laser scanning sensors via a data cable and is used to store the laser scanning results. This device can increase the probability of cross-sectional detection of small-section objects, thereby solving the problem of missed detections in high-speed detection.

[0005] However, as disclosed in the patent document, the main improvement is the use of four laser scanning sensors for data acquisition. However, the installation relationship between the base of the device and the laser scanning sensors is relatively fixed, and it can only be used at specific angles and ranges. When the device is used in tunnels with complex on-site environments, there are no corresponding protective measures, and its safety is not well guaranteed.

[0006] Therefore, it is urgent to develop a technical solution to solve the above-mentioned technical problems. Utility Model Content

[0007] The purpose of this invention is to provide a rapid detection device for tunnel deformation, which supports installation and operation in multiple scenarios, improves data acquisition accuracy and efficiency, enhances equipment safety, and improves the accuracy of data measurement; and overall improves the efficiency of tunnel deformation measurement.

[0008] To achieve the above objectives, this utility model provides the following technical solution;

[0009] A tunnel deformation rapid detection device includes a bracket, multiple measuring instruments, and a data acquisition card; each pair of measuring instruments is mounted on the bracket, with each pair of measuring instruments facing each other and measuring in opposite directions along the same straight line; each measuring instrument is electrically connected to the data acquisition card; the bracket is provided with a housing that encloses the measuring instruments and the data acquisition card.

[0010] Furthermore, the housing includes a top cover and a side wall; the side wall has a measuring hole that matches the measuring instrument.

[0011] Furthermore, the housing has a cuboid structure, and four measuring instruments are provided, which are distributed and installed on the four side walls of the housing.

[0012] Furthermore, the bracket is provided with assembly holes.

[0013] Furthermore, the bracket is provided with an extension frame for installing the acquisition card; the acquisition card is installed on the extension frame, and the extension frame elevates the acquisition card to reserve space for cable routing.

[0014] Furthermore, the bracket is provided with multiple weight-reducing grooves.

[0015] Furthermore, the sidewall is provided with wiring holes.

[0016] Furthermore, the measuring instrument is a rangefinder.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] In practical use, the bracket provides installation and connection functions, facilitating the installation and operation of the measuring instrument in various scenarios; the multi-group measuring instrument can quickly collect data from two directions of the same straight line, improving data acquisition accuracy and efficiency; the housing can protect the measuring instrument during the measurement process, enhancing equipment safety; and the acquisition card enables unified data transmission from multiple measuring instruments during the detection process, improving the accuracy of data measurement; overall, it improves the efficiency of tunnel deformation measurement. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a three-dimensional schematic diagram of the internal structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the usage state of this utility model.

[0022] Figure 4 This is a schematic diagram illustrating the application of this utility model.

[0023] Figure 5This is a schematic diagram illustrating another application of the present invention. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] refer to Figure 1-5 As shown, a tunnel deformation rapid detection device includes a support 2, multiple measuring instruments 3 and a data acquisition card 4; each pair of measuring instruments 3 is installed on the support 2 as a group, and each group of measuring instruments 3 is arranged opposite to each other, with their measuring directions being opposite directions of the same straight line; each measuring instrument 3 is electrically connected to the data acquisition card 4; the support 2 is provided with a housing 1 that covers the measuring instruments 3 and the data acquisition card 4.

[0026] Specifically, bracket 2 is connected to the mounting bracket on the roof.

[0027] This tunnel deformation rapid detection and measurement device includes a bracket 2 that provides installation and connection functions, facilitating the installation and operation of the measuring instrument 3 in various scenarios; multiple sets of measuring instruments 3 can quickly collect data from two directions on the same straight line, improving data acquisition accuracy and efficiency; the housing 1 protects the measuring instruments 3 during the measurement process, enhancing equipment safety; and the data acquisition card 4 enables unified data transmission from multiple measuring instruments 3 during the detection process, improving the accuracy of data measurement; overall, it improves the efficiency of tunnel deformation measurement.

[0028] This tunnel deformation rapid detection device uses two measuring instruments 3 aligned on a straight line, with their measurement directions being opposite to those of the same straight line. Figure 4 As shown, when four measuring instruments are set, four data points can be obtained simultaneously on the same tunnel section. This data can be compared with the design data to determine the tunnel deformation. Compared with the data obtained by using a total station and other instruments that require multiple measurements, this method has smaller errors and higher accuracy.

[0029] This tunnel deformation rapid detection device uses two measuring instruments 3 aligned on a straight line, with their measuring directions opposite to each other. For example... Figure 5 As shown, one set of measuring instruments 3 is set horizontally and another set is set vertically. Regardless of the position of the measuring instruments 3 on the X-axis, the tunnel height H can be calculated from the tunnel coordinates (X1, Y1), (X2, Y2), (X3, Y3) and (X4, Y4) measured by the measuring instruments 3. This solves the defects of existing total stations and other measuring devices that cannot measure or measure inaccurately.

[0030] In this embodiment, the housing 1 includes a top cover 11 and a side wall 12; the side wall 12 is provided with a measuring hole 13 that matches the measuring instrument 3; specifically, the measuring hole 13 on the side wall 12 is used to reserve the installation position of the measuring instrument 3 to avoid obstructing and affecting the data measurement of the measuring instrument 3.

[0031] In this embodiment, the housing 1 is a cuboid structure, and four measuring instruments 3 are provided, which are distributed and installed on the four side walls 12 of the housing 1.

[0032] Specifically, the housing 1 is a cuboid structure consisting of four side walls 12 and a top cover 11. Four measuring instruments 3 are installed on the four side walls 12 respectively to perform measurements in the four directions of up, down, left, and right. Each relative measuring instrument 3 is located on the same straight line, and its measurement direction is opposite to that of the same straight line. This enables a single operation to collect data from multiple points.

[0033] In this embodiment, the bracket 2 is provided with an assembly hole 21. Specifically, the assembly hole 21 is used for installing external connecting components, expanding the application scenarios and adaptable environments of the device, facilitating quick installation and disassembly, and improving maintenance and upgrade efficiency.

[0034] In this embodiment, the bracket 2 is provided with a riser 22 for installing the acquisition card 4; the acquisition card 4 is installed on the riser 22, and the riser 22 raises the acquisition card 4 to reserve space for cable routing.

[0035] Specifically, using the riser 22 can make more rational and efficient use of the internal space, improve heat dissipation efficiency, reserve space for wiring, and improve the stability of the internal operation of the device.

[0036] In this embodiment, the support 2 is provided with multiple weight-reducing grooves 23. The weight-reducing grooves 23 can further reduce the weight of the support 2, achieving a lightweight design without affecting the structural strength.

[0037] In this embodiment, the side wall 12 is further provided with a wiring hole 14. The wiring hole 14 facilitates data connection between the measuring instrument 3 and the data acquisition card 4 inside the housing 1 and the outside.

[0038] In this embodiment, the measuring instrument 3 is a rangefinder. Specifically, the measuring instrument 3 is a laser rangefinder.

[0039] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the scope defined by the spirit of this utility model.

Claims

1. A tunnel deformation quick detection device, characterized in that, It includes a bracket (2), multiple measuring instruments (3) and a data acquisition card (4); each pair of measuring instruments (3) are mounted on the bracket (2) as a group, and each group of measuring instruments (3) is set opposite to each other, with their measuring directions being opposite to the same straight line; each measuring instrument (3) is electrically connected to the data acquisition card (4); the bracket (2) is provided with a housing (1) that covers the measuring instruments (3) and the data acquisition card (4).

2. The device according to claim 1, wherein The housing (1) includes a top cover (11) and a side wall (12); the side wall (12) is provided with a measuring hole (13) that matches the measuring instrument (3).

3. A device for detecting deformation of a tunnel according to claim 2, wherein The housing (1) is a cuboid structure, and four measuring instruments (3) are provided, which are distributed and installed on the four side walls (12) of the housing (1).

4. The device of claim 1, wherein, The bracket (2) has an assembly hole (21).

5. The device of claim 1, wherein, The bracket (2) is provided with a riser (22) for installing the acquisition card (4); the acquisition card (4) is installed on the riser (22), and the riser (22) raises the acquisition card (4) to reserve space for wiring.

6. The device of claim 1, wherein, The bracket (2) is provided with multiple weight-reducing grooves (23).

7. The device of claim 2, wherein the device is a tunneling deformation quick detection device. The side wall (12) is provided with a wiring hole (14).

8. The device of claim 2, wherein, The measuring instrument (3) is a rangefinder.

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