Urban rail transit engineering structure detection device

Abstract

The utility model relates to the technical field of rail transit engineering detection, and discloses an urban rail transit engineering structure detection device, which comprises a mounting assembly, and the mounting assembly comprises a support frame. The pulley is arranged on the surface of the steel rail body, when the mounting assembly is moved, the horizontal detection module and the crack detection module can conveniently detect the steel rail body, in the process, the rust removal block at the front end of the connecting frame can remove rust iron on the surface of the steel rail body, and after the rust removal block removes the rust, the steel rail body can be cleaned conveniently. A relatively clean and flat detection surface is provided for the crack detection module, so that the crack detection module can detect cracks on the surface of the steel rail body more accurately, and the crack detection accuracy is improved; the contact between the limiting rollers and the steel rail body can limit unnecessary shaking of the sliding assembly in the horizontal and vertical directions, so that the sliding process is more stable, and the detection accuracy of the horizontal detection module is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit engineering detection technical field especially relates to a city rail transit engineering structure detection device. BACKGROUND

[0002] With the continuous growth of urban population and the continuous expansion of city scale, the construction scale of city rail transit is also increasing, and the efficient and accurate detection device is needed to ensure the safe operation of the longer rail line;

[0003] But in actual use, the detection device still has many defects, such as: the existing detection device needs to be detected in different steps, for example, first rust removal, then crack detection and level detection, which will lead to low detection efficiency, so a city rail transit engineering structure detection device needs to be designed. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a city rail transit engineering structure detection device.

[0005] The utility model adopts the following technical scheme: a city rail transit engineering structure detection device, including installation assembly, the installation assembly includes support frame, the top of support frame is fixedly installed with horizontal detection module, both sides of support frame bottom are fixedly installed with mounting bracket, the inner wall of mounting bracket is fixedly installed with limit rod, still including:

[0006] Sliding assembly, the sliding assembly includes mobile seat, the bottom of mobile seat is provided with crack detection module, the bottom of crack detection module is provided with pulley;

[0007] Rust removal assembly, the rust removal assembly includes connecting frame, the front end of connecting frame is fixedly installed with rust removal block, the side away from rust removal block of connecting frame is provided with limit roller.

[0008] As a further improvement of the above scheme, the outer surface of the limit rod is slidably installed with a mobile seat, the bottom of the mobile seat is fixedly installed with a first connecting plate, and the top of the first connecting plate is fixedly installed with a crack detection module.

[0009] Through the above technical scheme, the continuous detection of the long distance of the steel rail can be realized by the sliding of the mobile seat on the limit rod, the detection efficiency is improved, and the structural integrity of the steel rail body at different positions can be detected.

[0010] As a further improvement of the above scheme, the bottom of the first connecting plate is fixedly installed with a mounting seat, the inner wall of the mounting seat is rotatably installed with a pulley, and the bottom of the pulley is provided with a steel rail body.

[0011] Through the technical scheme, the friction between the detection device and the rail body can be reduced, the detection device can easily move along the rail body, and the horizontal detection module and the crack detection module can comprehensively detect the rail body.

[0012] As a further improvement of the above scheme, the outer surface of the mounting seat is fixedly installed with a connecting frame, and the front end of the connecting frame is fixedly installed with a mounting rod.

[0013] Through the technical scheme, since the mounting seat is associated with the moving seat and the like, the connecting frame can move with the movement of the detection device on the rail body, so that the rust removal block can perform rust removal work at different positions of the rail body, and the rust removal work is synchronized with the detection work, thereby improving the working efficiency of the whole device.

[0014] As a further improvement of the above scheme, the outer surface of the mounting rod is fixedly installed with a rust removal block, and the rust removal block is slidingly installed on the outer surface of the rail body.

[0015] Through the technical scheme, during the movement of the detection device along the rail body, the rust removal block can effectively remove the rust on the surface of the rail body. Removing the rust helps to improve the accuracy of the subsequent crack detection module detection.

[0016] As a further improvement of the above scheme, the side of the mounting seat away from the connecting frame is fixedly installed with a tripod, and the bottom of the tripod is fixedly installed with a second connecting plate.

[0017] Through the technical scheme, it is ensured that the whole device will not affect the detection result due to shaking or instability during detection, and the existence of the tripod also provides guarantee for the structural integrity of the detection device, preventing the device from being loose or damaged in a complex track environment.

[0018] As a further improvement of the above scheme, the bottom of the second connecting plate is rotatably installed with a limiting roller, and the limiting roller is arranged on the outer surface of the rail body.

[0019] Through the technical scheme, when the detection device moves on the rail body, the limiting roller is in contact with the outer surface of the rail body, which can limit unnecessary shaking of the detection device in horizontal and vertical directions.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The utility model discloses a sliding pulley is placed in the steel rail body surface, when moving installation component, horizontal detection module and crack detection module can conveniently carry out the detection work to the steel rail body, in this process, the rust removal block of connecting frame front end can remove the rust iron of steel rail body surface, and the rust removal block provides relatively clean, flat detection surface for crack detection module after removing rust, so that crack detection module can more accurately detect the crack of steel rail body surface, improve the accuracy of crack detection, when installation component is sliding on the top of steel rail body, the contact between limiting roller and steel rail body can limit the unnecessary swing of sliding assembly in horizontal and vertical directions, make the sliding process more stable, thereby ensuring the accuracy of horizontal detection module detection, provide reliable data support for the safety evaluation of urban rail transit engineering structure. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is overall structure schematic diagram of the utility model;

[0023] Figure 2 It is the utility model Figure 1 It is structure amplification schematic diagram of A place in the utility model;

[0024] Figure 3 It is the utility model Figure 1 It is structure amplification schematic diagram of B place in the utility model;

[0025] Figure 4 It is overall bottom structure schematic diagram of the utility model.

[0026] Main symbol explanation:

[0027] 1, installation component, 101, support frame, 102, horizontal detection module, 103, mounting frame, 104, limiting rod, 2, sliding assembly, 201, moving seat, 202, first connecting plate, 203, mounting seat, 204, pulley, 205, crack detection module, 3, rust removal assembly, 301, connecting frame, 302, mounting rod, 303, rust removal block, 304, tripod, 305, second connecting plate, 306, limiting roller, 4, steel rail body. DETAILED DESCRIPTION

[0028] Below, combining the drawings and specific implementation, the utility model is described further, need to explain, under the premise of not conflicting, the following description of each embodiment or each technical feature between can be combined to form new embodiment.

[0029] Embodiment:

[0030] Please combine Figures 1-4The urban rail transit engineering structure detection device of the embodiment comprises a mounting assembly 1, the mounting assembly 1 comprises a support frame 101, a horizontal detection module 102 is fixedly installed at the top of the support frame 101, mounting frames 103 are fixedly installed at the two sides of the bottom of the support frame 101, limit rods 104 are fixedly installed on the inner walls of the mounting frames 103, and the device further comprises:

[0031] A sliding assembly 2, the sliding assembly 2 comprises a moving seat 201, a crack detection module 205 is arranged at the bottom of the moving seat 201, and a pulley 204 is arranged at the bottom of the crack detection module 205.

[0032] A rust removal assembly 3, the rust removal assembly 3 comprises a connecting frame 301, a rust removal block 303 is fixedly installed at the front end of the connecting frame 301, and a limit roller 306 is arranged on the side, away from the rust removal block 303, of the connecting frame 301.

[0033] The moving seat 201 is slidably installed on the outer surface of the limit rod 104, the first connecting plate 202 is fixedly installed at the bottom of the moving seat 201, and the crack detection module 205 is fixedly installed at the top of the first connecting plate 202.

[0034] The first connecting plate 202 is fixedly installed at the bottom of the mounting seat 203, the pulley 204 is rotatably installed on the inner wall of the mounting seat 203, and the rail body 4 is arranged at the bottom of the pulley 204.

[0035] The pulley 204 is arranged on the surface of the rail body 4, the horizontal detection module 102 and the crack detection module 205 can conveniently perform detection work on the rail body 4 when the mounting assembly 1 is moved, the rust removal block 303 at the front end of the connecting frame 301 can remove rust on the surface of the rail body 4, and the rust removal block 303 provides a relatively clean and flat detection surface for the crack detection module 205 after removing the rust.

[0036] The connecting frame 301 is fixedly installed on the outer surface of the mounting seat 203, and the mounting rod 302 is fixedly installed at the front end of the connecting frame 301.

[0037] The rust removal block 303 is fixedly installed on the outer surface of the mounting rod 302, and the rust removal block 303 is slidably installed on the outer surface of the rail body 4.

[0038] The three mounting frames 304 are fixedly installed on the side, away from the connecting frame 301, of the mounting seat 203, and the second connecting plate 305 is fixedly installed at the bottom of the three mounting frames 304.

[0039] The limit roller 306 is rotatably installed at the bottom of the second connecting plate 305, and the limit roller 306 is arranged on the outer surface of the rail body 4.

[0040] When the installation assembly 1 slides on the top of the steel rail body 4, the contact between the limiting roller 306 and the steel rail body 4 can limit unnecessary shaking of the sliding assembly 2 in the horizontal and vertical directions.

[0041] The implementation principle of the urban rail transit engineering structure detection device in the embodiment of the application is as follows: the limiting rods 104 installed at the bottom of the support frame 101 can adjust the spacing of the two groups of moving seats 201, and the mounting frame 103 can ensure the installation of the limiting rods 104; the mounting seat 203 at the bottom of the first connecting plate 202 can not only install the pulley 204, but also provide installation for the connecting frame 301 and the triangular frame 304, facilitating the subsequent installation of the rust removal assembly 3; the second connecting plate 305 can ensure that the limiting roller 306 rotates at the bottom thereof, and the mounting rod 302 can ensure that the rust removal block 303 is installed to the front end of the crack detection module 205, so that rust removal is performed first and then crack detection is continued;

[0042] The pulley 204 is placed on the surface of the steel rail body 4, and when the moving installation assembly 1 is moved, the horizontal detection module 102 and the crack detection module 205 can conveniently perform detection work on the steel rail body 4; in this process, the rust removal block 303 at the front end of the connecting frame 301 can remove rust on the surface of the steel rail body 4, and after the rust removal block 303 removes the rust, a relatively clean and flat detection surface is provided for the crack detection module 205, so that the crack detection module 205 can more accurately detect the cracks on the surface of the steel rail body 4, and the accuracy of crack detection is improved; when the installation assembly 1 slides on the top of the steel rail body 4, the contact between the limiting roller 306 and the steel rail body 4 can limit unnecessary shaking of the sliding assembly 2 in the horizontal and vertical directions;

[0043] The crack detection module 205 can use a digital ultrasonic flaw detector with a model number of “DUT380”. The crack detection module 205 includes a piezoelectric sensor, a signal emission control module, a signal reception and amplification module, and a signal processing module. The signal emission control module sends an electric signal to the piezoelectric sensor according to a pre-set parameter. The piezoelectric sensor converts the electric signal into mechanical vibration based on the inverse piezoelectric effect, so as to excite ultrasonic guided waves in the steel rail. If the guided waves encounter cracks on the surface of the steel rail during propagation, part of the guided waves will be reflected, scattered, etc. The reflected guided waves are received by the piezoelectric sensor.

[0044] The piezoelectric sensor converts mechanical vibration into electric signal based on piezoelectric effect, the weak electric signal is first amplified by a signal receiving and amplifying module, then filtered and digitized by a signal processing module, the processed signal is compared with the original transmitting signal, if there is crack in the rail, the amplitude, phase, frequency and other characteristics of the reflected wave will change, for example, the crack will cause the amplitude of the reflected wave to increase, by analyzing the change amount, whether the rail surface has crack can be determined, and according to the propagation time and speed of the guided wave, the position and size of the crack can be determined;

[0045] The horizontal detection module 102 comprises a gyro sensor, a driving module, a control module, a signal detection and conversion module and a data processing module, when the installation assembly 1 has angular motion, due to the conservation of angular momentum, the high-speed rotating rotor will generate gyroscopic moment, the gyroscopic moment is proportional to the angular velocity of the detection device, the driving and control module ensures the stable rotation of the rotor, the signal detection and conversion module detects the change of the gyroscopic moment and converts it into an electric signal, and the data processing and solving module converts the electric signal into angular velocity information according to a specific algorithm;

[0046] In the fiber optic gyroscope, when the detection device has angular motion, according to the Sagnac effect, the light propagating in the fiber ring will generate a phase difference, the driving and control module provides a stable light source and controls the light propagation conditions, the signal detection and conversion module detects the phase difference change of the light by the photodetector and converts it into an electric signal, and the data processing and solving module converts the electric signal into angular velocity information.

[0047] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, any non-substantial changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.

Claims

1. A structural testing device for urban rail transit engineering, comprising an installation assembly (1), the installation assembly (1) comprising a support frame (101), a horizontal detection module (102) fixedly installed on the top of the support frame (101), and mounting frames (103) fixedly installed on both sides of the bottom of the support frame (101), wherein a limit rod (104) is fixedly installed on the inner wall of the mounting frame (103), characterized in that, Also includes: The sliding component (2) includes a movable base (201), a crack detection module (205) is provided at the bottom of the movable base (201), and a pulley (204) is provided at the bottom of the crack detection module (205). Rust removal assembly (3) includes a connecting frame (301), a rust removal block (303) is fixedly installed at the front end of the connecting frame (301), and a limit roller (306) is provided on the side of the connecting frame (301) away from the rust removal block (303).

2. The urban rail transit engineering structure testing device as described in claim 1, characterized in that: A movable seat (201) is slidably mounted on the outer surface of the limiting rod (104). A first connecting plate (202) is fixedly mounted on the bottom of the movable seat (201), and a crack detection module (205) is fixedly mounted on the top of the first connecting plate (202).

3. The urban rail transit engineering structure testing device as described in claim 2, characterized in that: The bottom of the first connecting plate (202) is fixedly installed with a mounting base (203), and a pulley (204) is rotatably installed on the inner wall of the mounting base (203). The bottom of the pulley (204) is provided with a rail body (4).

4. The urban rail transit engineering structure testing device as described in claim 3, characterized in that: A connecting frame (301) is fixedly installed on the outer surface of the mounting base (203), and a mounting rod (302) is fixedly installed at the front end of the connecting frame (301).

5. The urban rail transit engineering structure testing device as described in claim 4, characterized in that: A rust-removing block (303) is fixedly installed on the outer surface of the mounting rod (302), and the rust-removing block (303) is slidably installed on the outer surface of the rail body (4).

6. The urban rail transit engineering structure testing device as described in claim 3, characterized in that: A three-way bracket (304) is fixedly installed on the side of the mounting base (203) away from the connecting frame (301), and a second connecting plate (305) is fixedly installed on the bottom of the three-way bracket (304).

7. The urban rail transit engineering structure testing device as described in claim 6, characterized in that: A limiting roller (306) is rotatably mounted on the bottom of the second connecting plate (305), and the limiting roller (306) is disposed on the outer surface of the rail body (4).

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