A device for detecting water seepage of cracks in tunnel lining

CN224933829UActive Publication Date: 2026-11-03LIAONING ZHITONG TESTING TECH CO LTD
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Patent Information

Application Number
CN202521667126.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2026-11-03
Estimated Expiration
2035-08-06

AI Technical Summary

Technical Problem

Existing equipment for detecting water seepage through cracks in tunnel linings relies on manual operation, which is inefficient, difficult to fully cover the tunnel environment, prone to missing hidden dangers, and has poor practicality.

Method used

A detection device was designed, comprising a detection equipment body, a telescopic component, an arc-shaped sliding component, and a servo motor drive. It utilizes arc-shaped toothed blocks and rotating gears for sliding, combined with the telescopic detection component and a buffer, to achieve omnidirectional detection of the device. It is equipped with a laser navigation module and a wireless transmission unit.

Benefits of technology

It enables comprehensive inspection of tunnel lining, improves inspection efficiency and coverage, ensures the accuracy and reliability of inspection data, adapts to different tunnel environments, and reduces blind spots in inspection.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a kind of detection tunnel lining crack water seepage equipment, belong to detection equipment technical field, including detection equipment car body, the telescopic component is equipped on the detection equipment car body, the upper of telescopic component is equipped with arc sliding assembly, the arc sliding assembly includes arc tooth block, rotating gear and driving motor, the rotating gear is driven along arc tooth block sliding by driving motor, the size of arc tooth block and tunnel lining surface mutually adhere, the upper of arc sliding assembly is equipped with telescopic detection component, the telescopic detection component includes bumper, telescopic spring, probe mounting seat and driving pulley, the utility model is linked by telescopic component and the linkage design of arc sliding assembly, realize the all-around coverage detection of tunnel lining, the utility model is equipped with the elastic self-adapting structure of telescopic detection component, guarantee detection probe accurate data acquisition, improve detection precision and reliability.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection equipment, specifically relates to a kind of detection tunnel lining crack water seepage equipment. BACKGROUND

[0002] Under the influence of factors such as geological condition change, vehicle load, material aging, tunnel lining is prone to surface, penetrating and internal hidden cracks, and the form covers longitudinal, transverse, oblique and netted, these cracks are extremely harmful to tunnel structure safety, durability and use function, can weaken bearing capacity, accelerate material deterioration, cause leakage and other problems, seriously affect tunnel operation.

[0003] And for timely discovery and processing crack disease, detection tunnel lining crack water seepage equipment emerges as the times require, such equipment integrates high-precision sensor, data processing unit and remote communication module, sensor can capture crack tiny change, data processing unit analyzes and processes data, remote communication module realizes real-time data transmission, so that management personnel can master tunnel lining state in time.

[0004] However, existing detection tunnel lining crack water seepage equipment has many deficiencies in actual application, and detection is mostly dependent on manual work, and detection personnel need to hold instrument and work one by one, and this mode is low in efficiency, and manpower operation speed and energy are limited, and detection area is small per unit time, and at the same time, tunnel environment is complex, manual detection is difficult to cover comprehensively, and hidden danger is easy to be missed, so practicality is poor. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem in the prior art, and provides a kind of detection tunnel lining crack water seepage equipment.

[0006] One of the technical solutions of the utility model is to provide a kind of detection tunnel lining crack water seepage equipment, including detection equipment car body, the detection equipment car body is equipped with telescopic component, the upper telescopic component is equipped with arc sliding assembly, the arc sliding assembly includes arc tooth block, rotating gear and drive motor, the rotating gear is driven along arc tooth block by drive motor, the size of arc tooth block and tunnel lining surface are mutually pasted, the upper arc sliding assembly is equipped with telescopic detection component, the telescopic detection component includes buffer, telescopic spring, probe mounting seat and drive pulley, the inner side of probe mounting seat is equipped with a plurality of detection probes, the detection probe is detected along tunnel lining surface by drive pulley, buffer and telescopic spring sliding.

[0007] Further, the telescopic component includes servo motor and multiple groups of movable connecting link assembly, and multiple groups of link assembly are driven to realize lifting by servo motor.

[0008] By the technical scheme, the connecting rod assembly preferably adopts an X-shaped cross connecting rod structure, a servo motor drives the connecting rod to expand and contract through a worm gear mechanism, so that stable lifting and strong load capacity can be realized, and the detection requirement of tunnels with different diameters can also be met.

[0009] Further, the upper end of the telescopic assembly is fixedly provided with a special-shaped mounting plate, and the upper end center of the special-shaped mounting plate is fixedly provided with an arc-shaped mounting seat.

[0010] By the technical scheme, the special-shaped mounting plate is inclined at a certain angle with the tunnel axis, so that the arc-shaped mounting seat can form an optimal detection angle, and the curvature radius of the arc-shaped mounting seat is designed according to the standard tunnel diameter.

[0011] Further, the outer side wall of the arc-shaped mounting seat is fixedly provided with a tooth block mounting seat at one end, a plurality of arc-shaped tooth blocks are equidistantly arranged at the inner side center of the tooth block mounting seat, a sliding groove is arranged at the inner side center of the arc-shaped mounting seat, a convex sliding block is slidingly arranged in the sliding groove, and a motor mounting seat is arranged at the upper end of the convex sliding block.

[0012] By the technical scheme, the arc-shaped tooth blocks are designed in a modular manner, can be spliced to adapt to different tunnel lengths, the sliding groove is provided with a linear guide rail, the bottom of the convex sliding block is provided with a ball bearing, the sliding is ensured to be stable, and an encoder is integrated in the motor mounting seat to accurately position the detection position.

[0013] Further, the inner side of the motor mounting seat is provided with a rotary motor, the output end of the rotary motor is connected with a rotating gear, the outer side wall of the rotating gear is engaged with the arc-shaped tooth block, the upper end of the motor mounting seat is fixedly provided with a square mounting block, the upper end of the square mounting block is provided with two buffers which are symmetrically arranged at the two sides of the upper end, and the upper end center of the two buffers is provided with a telescopic spring.

[0014] By the technical scheme, the rotary motor preferably adopts a stepping motor, cooperates with a harmonic reducer to realize accurate angle control, the buffer adopts a hydraulic damping buffer, and the elastic coefficient of the telescopic spring is designed according to the probe pressure requirement, so that the telescopic spring can maintain a constant contact pressure.

[0015] Further, the upper end of the telescopic spring is provided with a bearing seat, one side of the two bearing seats is provided with a probe mounting seat, and the two sides of the detection equipment vehicle body are provided with a plurality of vehicle body driving wheels which are symmetrically arranged.

[0016] By the technical scheme, the bearing seat adopts the universal ball bearing structure, the probe mounting seat can be adaptively adjusted within a certain angle range, the vehicle body driving wheel is designed as an omnidirectional wheel, is equipped with a servo driving system and a laser navigation module, and can realize centimeter-level positioning accuracy, and the probe mounting seat is further integrated with a data acquisition module and a wireless transmission unit.

[0017] The utility model discloses the beneficial effect is as follows: (1) the utility model discloses the synergistic operation of telescopic subassembly and arc sliding assembly, telescopic subassembly can adjust equipment height, and the rotation gear in arc sliding assembly slides along arc tooth block, so that equipment can cover the different height and lateral area of tunnel lining surface, realize all -round detection to tunnel lining, effectively avoid detection blind area, improve detection efficiency and coverage range greatly; (2) the utility model discloses the setting of buffer and telescopic spring in telescopic detection subassembly makes detection probe can adapt to the uneven of tunnel lining surface, closely fits detection surface, and driving pulley assists probe mounting seat to slide smoothly, guarantees detection probe to obtain data stably and continuously, effectively improves the accuracy and reliability of detection data, accurately identifies tunnel lining crack seepage situation. DRAWINGS

[0018] Figure 1 It is the detection equipment vehicle body overall structure first visual angle schematic drawing of the utility model discloses a kind of detection tunnel lining crack seepage equipment; Figure 2 It is the arc sliding assembly structure enlarged schematic drawing of the utility model discloses a kind of detection tunnel lining crack seepage equipment; Figure 3 It is the detection equipment vehicle body overall structure second visual angle schematic drawing of the utility model discloses a kind of detection tunnel lining crack seepage equipment; Figure 4 It is the telescopic detection subassembly structure enlarged schematic drawing of the utility model discloses a kind of detection tunnel lining crack seepage equipment.

[0019] Reference signs: 1, detection equipment vehicle body;2, telescopic subassembly;3, special-shaped mounting plate;4, arc mounting seat;5, tooth block mounting seat;6, arc tooth block;7, sliding groove;8, convex sliding block;9, motor mounting seat;10, rotation gear;11, square mounting block;12, buffer;13, telescopic spring;14, bearing seat;15, probe mounting seat;16, driving pulley;17, detection probe;18, vehicle body driving wheel. DETAILED DESCRIPTION

[0020] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following will be further detailed with the drawings and examples.

[0021] As Figures 1-4 The utility model discloses a kind of detection tunnel lining crack water seepage equipment, detection equipment car body 1 as the carrier of entire equipment, provide installation base and moving platform for other components, telescopic component 2 can realize the adjustment of equipment height, to adapt to the detection needs of tunnel lining surface of different height.In arc sliding component, arc tooth block 6 is attached with tunnel lining surface design, ensure that rotating gear 10 can slide along the arc track of tunnel lining surface under the drive of motor, realize the lateral coverage of detection range, buffer 12 and telescopic spring 13 of telescopic detection component play the role of buffer shock absorption and self-adapting adjustment, so that detection probe 17 can closely attach the uneven place of tunnel lining surface, driving pulley 16 then auxiliary probe mounting seat 15 smoothly slide, ensure that detection probe 17 stably, efficiently detects tunnel lining crack water seepage condition; Servo motor can accurately control the movement of multiple groups of movable connecting connecting rod components, realize the lifting action of telescopic component 2 by the unfolding and folding of connecting rod component, so that not only can be flexibly adjusted according to the actual height of tunnel lining surface, also can guarantee the stability and accuracy of lifting process, ensure that detection equipment can normally carry out detection work in different height tunnel environment, improve the applicability and detection precision of equipment; Special shape design of special-shaped mounting plate 3 as the transition part connecting telescopic component 2 and arc mounting seat 4 is to better adapt to the connection requirement between telescopic component 2 and arc mounting seat 4, guarantee the stability of connection and the compactness of structure, arc mounting seat 4 provides mounting support for other components in subsequent arc sliding component, its shape is adapted to the arc of tunnel lining surface, which helps arc sliding component to slide stably along tunnel lining surface, so as to guarantee the smooth progress of detection work; Tooth block mounting seat 5 is used for fixedly installing arc tooth block 6, guaranteeing the position accuracy and structural stability of arc tooth block 6, providing stable meshing track for rotating gear 10, sliding groove 7 in the inner side of arc mounting seat 4 cooperates with convex sliding block 8, limit the movement direction of convex sliding block 8, so that it can only slide along sliding groove 7 in the arc direction of tunnel lining surface, thereby driving motor mounting seat 9 and subsequent components to move along tunnel lining surface, realize the lateral expansion of detection area, so that the accuracy and stability of arc sliding component movement can be guaranteed, improve detection efficiency and precision; The rotating motor in the motor mounting seat 9 provides power for the rotating gear 10 to rotate in mesh with the arc-shaped tooth block 6, drives the entire telescopic detection assembly to move along the arc-shaped track of the tunnel lining surface, the square mounting block 11 serves as a component connecting the motor mounting seat 9 and the buffer 12, plays a role of connecting the motor mounting seat 9 and the telescopic detection assembly, the buffer 12 and the telescopic spring 13 are symmetrically arranged on the square mounting block 11, can uniformly disperse the pressure and impact force received by the detection probe 17 during detection, ensures the fitting effect of the detection probe 17 and the tunnel lining surface, and improves the accuracy and reliability of detection data; The bearing seat 14 is installed at the upper end of the telescopic spring 13, provides rotating support for the probe mounting seat 15, enables the probe mounting seat 15 to rotate flexibly when sliding along the tunnel lining surface, adapts to detection requirements in different directions, the probe mounting seat 15 is used for fixing and installing the detection probe 17, ensures the position accuracy and stability of the detection probe 17 during detection, and the plurality of vehicle body driving wheels 18 symmetrically arranged on both sides of the detection equipment vehicle body 1 can provide stable driving force and supporting force for the equipment, enables the equipment to move stably in the tunnel, facilitates the equipment to reach different detection positions, and realizes comprehensive detection of the tunnel lining.

[0022] The working principle of the embodiment is as follows: Firstly, the detection equipment vehicle body 1 moves stably in the tunnel by relying on the vehicle body driving wheels 18 symmetrically arranged on both sides, after reaching the detection position, the telescopic assembly 2 is started, the servo motor in the telescopic assembly 2 drives a plurality of X-shaped cross-link assemblies to expand or shrink, realizes lifting through the worm and gear mechanism, adjusts the arc-shaped mounting seat 4 to an appropriate height by driving the special-shaped mounting plate 3, the curvature radius of the arc-shaped mounting seat 4 is adapted to the standard tunnel diameter, the tooth block mounting seat 5 on the outer side fixes the arc-shaped tooth block 6, the inner side sliding groove 7 cooperates with the convex sliding block 8, and the motor mounting seat 9 on the convex sliding block 8 is positioned accordingly; Secondly, the arc-shaped sliding assembly starts to operate, the rotating motor in the motor mounting seat 9 is a stepping motor cooperating with a harmonic reducer to drive the rotating gear 10 to rotate in mesh along the arc-shaped tooth block 6, because the arc-shaped tooth block 6 is in contact with the tunnel lining surface, the rotating gear 10 drives the motor mounting seat 9 to slide along the linear guide rail of the sliding groove 7, and then the square mounting block 11 and the telescopic detection assembly above move transversely along the arc-shaped track of the tunnel lining, realizing transverse coverage of the detection area; Finally, the telescopic detection assembly performs the detection task, the buffer 12 adopts hydraulic damping buffer, the working stroke is designed according to the probe pressure in a specific range and the elastic coefficient of the telescopic spring 13, constant contact pressure is kept to make it constitute an elastic adaptive structure, the probe mounting seat 15 on the bearing seat 14 is adaptively adjusted in angle through the universal ball bearing, the driving pulley 16 assists the probe mounting seat 15 to slide along the lining surface, the inside detection probe 17 closely adheres to the concave-convex place of the lining surface, real-time collection of crack water seepage data is realized, data is transmitted through the data acquisition module and the wireless transmission unit integrated in the probe mounting seat 15, and omnibearing detection is completed.

[0023] The above merely describes preferred embodiments of the utility model, and is not intended to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for detecting water seepage in tunnel lining cracks, comprising a detection device vehicle (1), characterized in that: The detection equipment vehicle body (1) is provided with a telescopic component (2), and the telescopic component (2) is provided with an arc-shaped sliding component. The arc-shaped sliding component includes an arc-shaped tooth block (6), a rotating gear (10) and a drive motor. The rotating gear (10) is driven by the drive motor to slide along the arc-shaped tooth block (6). The size of the arc-shaped tooth block (6) is in close contact with the tunnel lining surface. The arc-shaped sliding component is provided with a telescopic detection component. The telescopic detection component includes a buffer (12), a telescopic spring (13), a probe mounting base (15) and a drive pulley (16). The inner side of the probe mounting base (15) is provided with several detection probes (17). The detection probes (17) slide along the tunnel lining surface and complete the detection by means of the linkage of the drive pulley (16), the buffer (12) and the telescopic spring (13). The telescopic component (2) includes a servo motor and multiple sets of movable linkage components, which are driven by the servo motor to achieve lifting and lowering.

2. The device for detecting water seepage in tunnel lining cracks according to claim 1, characterized in that: The upper end of the telescopic component (2) is fixedly installed with an irregularly shaped mounting plate (3), and an arc-shaped mounting seat (4) is fixedly installed at the center of the upper end of the irregularly shaped mounting plate (3).

3. The device for detecting water seepage in tunnel lining cracks according to claim 2, characterized in that: A toothed block mounting seat (5) is fixedly installed at one end of the outer side wall of the arc-shaped mounting seat (4). Several arc-shaped toothed blocks (6) are evenly spaced at the center of the inner side of the toothed block mounting seat (5). A sliding groove (7) is opened at the center of the inner side of the arc-shaped mounting seat (4). A convex sliding block (8) is slidably installed on the inner side of the sliding groove (7). A motor mounting seat (9) is provided at the upper end of the convex sliding block (8).

4. The device for detecting water seepage in tunnel lining cracks according to claim 3, characterized in that: A rotary motor is provided on the inner side of the motor mounting base (9). A rotating gear (10) is connected to the output end of the rotary motor. An arc-shaped tooth block (6) is meshed on the outer side wall of the rotating gear (10). A square mounting block (11) is fixedly installed on the upper end of the motor mounting base (9). Buffers (12) are symmetrically provided at the center of both sides of the upper end of the square mounting block (11). A telescopic spring (13) is provided at the center of the upper end of the two buffers (12).

5. The device for detecting water seepage in tunnel lining cracks according to claim 4, characterized in that: The upper end of each of the telescopic springs (13) is provided with a bearing seat (14), and a probe mounting seat (15) is provided on one side of each of the two bearing seats (14). Several vehicle drive wheels (18) are symmetrically arranged on both sides of the detection equipment vehicle body (1).