Automatic detection device for tunnel secondary lining arch concrete

By using the insertion and connection of the mounting groove and anti-detachment plate in the concrete detection device of the tunnel secondary lining arch, the problem of low maintenance efficiency of the ground-penetrating radar body in the existing technology is solved, and the effects of convenient disassembly and assembly and extended service life of the UAV are achieved.

CN223756643UActive Publication Date: 2026-01-02CHINA RAILWAY TUNNEL GROUP CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422761140.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2026-01-02
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing tunnel secondary lining concrete detection devices require frequent removal of the ground-penetrating radar body for maintenance after prolonged use, resulting in low maintenance efficiency.

Method used

An automatic detection device for concrete in the arch section of tunnel secondary lining was designed. It uses a drone, a ground-penetrating radar body and installation components. The installation process of the ground-penetrating radar body and the drone is simplified by the plug-in cooperation of the installation groove and the anti-detachment plate. The stability and installation efficiency are improved by the spring and snap-fit ​​block structure.

Benefits of technology

This technology enables convenient assembly and disassembly of the ground-penetrating radar unit and the UAV, improving maintenance efficiency and extending the service life of the UAV.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223756643U_ABST
    Figure CN223756643U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of tunnel concrete detection and lining quality detection, and provides a tunnel secondary lining arch concrete automatic detection device, which comprises an unmanned aerial vehicle, a geological radar body and a mounting assembly, and is characterized in that a mounting seat is arranged at the top of the unmanned aerial vehicle, and the mounting seat is provided with a mounting groove for the geological radar body to insert; the mounting assembly comprises an anti-falling plate and a fixing piece, the anti-falling plate is slidably mounted on the upper surface of the mounting base and used for abutting against the upper surface of the geological radar body, and the fixing piece is used for fixing the anti-falling plate and the mounting base. According to the tunnel secondary lining arch concrete automatic detection device, the geological radar body can be conveniently detached from the unmanned aerial vehicle for maintenance.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tunnel concrete detection and lining quality detection, and particularly relates to a tunnel secondary lining arch concrete automatic detection device. BACKGROUND

[0002] In tunnel construction, secondary lining (referred to as secondary lining) is an important component of the tunnel structure, which is located between the primary support and the waterproof layer and plays a role in protecting the tunnel structure, bearing pressure and preventing leakage. The secondary lining of the tunnel is usually constructed by using concrete materials, which are widely used due to their strong bearing capacity and good durability.

[0003] However, in actual construction, the tunnel secondary lining concrete pouring often has problems such as voiding and non-compaction, especially at the arch top, which is a common problem in tunnel construction. Therefore, a detection device needs to be used to detect the secondary lining. The existing detection device includes a unmanned aerial vehicle and a geological radar body installed above the unmanned aerial vehicle. The unmanned aerial vehicle can carry the geological radar body to different positions in the tunnel for radar detection.

[0004] However, after a long period of use, the geological radar body needs to be removed from the unmanned aerial vehicle for maintenance. In order to ensure the maintenance efficiency, a detection device is needed, in which the geological radar plate ladder can be conveniently detached from the unmanned aerial vehicle. CONTENT OF THE INVENTION

[0005] In order to facilitate the removal of the geological radar body from the unmanned aerial vehicle for maintenance, the application provides a tunnel secondary lining arch concrete automatic detection device.

[0006] The tunnel secondary lining arch concrete automatic detection device provided by the application adopts the following technical scheme:

[0007] A tunnel secondary lining arch concrete automatic detection device, comprising a unmanned aerial vehicle, a geological radar body and a mounting assembly, wherein the top of the unmanned aerial vehicle is provided with a mounting seat, the mounting seat is provided with a mounting slot for inserting the geological radar body; the mounting assembly comprises an anti-dropping plate and a fixing piece, the anti-dropping plate is slidably installed on the upper surface of the mounting seat and is used to abut against the upper surface of the geological radar body, and the fixing piece is used to fix the anti-dropping plate and the mounting seat.

[0008] By adopting the above technical scheme, the geological radar body is installed on the unmanned aerial vehicle through the insertion cooperation of the geological radar body and the mounting slot. The position of the anti-dropping plate on the mounting seat is slidably adjusted so as to abut against the upper surface of the geological radar body, thereby reducing the disengagement of the geological radar body from the mounting slot. The structure is relatively simple, so as to facilitate the disassembly and assembly of the geological radar body and the unmanned aerial vehicle by the staff.

[0009] Optionally, the fixing member comprises a first spring and a clamping block, the upper surface of the mounting seat is provided with a movable slot for sliding of the clamping block, and the bottom wall of the anti-disengagement plate is provided with a clamping slot for insertion of the clamping block; the two ends of the first spring are connected with the clamping block and the bottom wall of the movable slot respectively, and the elastic force of the first spring is used to drive the clamping block to be inserted into the clamping slot in a normal state.

[0010] By adopting the technical scheme, when the anti-disengagement block is fixed with the mounting seat, the position of the anti-disengagement plate on the upper surface of the mounting seat is moved, so that the clamping slot and the movable slot are arranged opposite to each other, and at this time the clamping block is inserted into the clamping slot under the elastic force of the first spring, so that the fixing of the anti-disengagement plate and the mounting seat can be completed, so that the anti-disengagement plate is normally abutted with the upper surface of the ground penetrating radar body.

[0011] Optionally, the mounting assembly is provided with two groups, and the two groups of mounting assemblies are installed on the opposite sides of the ground penetrating radar body.

[0012] By adopting the technical scheme, by providing two groups of mounting assemblies, the stability of the ground penetrating radar body installed in the mounting slot can be improved.

[0013] Optionally, the side wall of the mounting seat is provided with an unlocking slot connected with the clamping slot, an unlocking rod connected with the clamping block is slidably installed in the unlocking slot, and the two unlocking rods are connected through a connecting rod.

[0014] By adopting the technical scheme, by sliding the position of the unlocking rod in the unlocking slot, the clamping block can be driven to slide and be separated from the insertion with the clamping block, and by providing the connecting rod, the fixing between the two groups of anti-disengagement plates and the mounting seat can be cancelled at the same time, and the disassembly and assembly efficiency is improved.

[0015] Optionally, a second spring is arranged between the mounting seat and the anti-disengagement plate, and the elastic force of the second spring is used to drive the anti-disengagement plate to move towards the side away from the ground penetrating radar body.

[0016] By adopting the technical scheme, by providing the second spring, when the clamping block is separated from the insertion with the clamping slot, the anti-disengagement block moves towards the side away from the ground penetrating radar body under the elastic force of the second spring, so that the abutment with the upper surface of the ground penetrating radar body is cancelled, and the disassembly and assembly efficiency is further improved.

[0017] Optionally, the mounting slot is provided with a taking-out slot on the opposite sides, and the taking-out slot is in communication with the upper wall of the mounting seat.

[0018] By adopting the technical scheme, after the anti-disengagement plate is separated from the abutment with the upper surface of the ground penetrating radar body, the hand of the worker can abut with the side wall of the ground penetrating radar body through the taking-out slot, so as to facilitate the worker to take out the ground penetrating radar body from the mounting slot.

[0019] Optionally, the unmanned aerial vehicle comprises a fuselage, a rotating shaft rotatably installed on the fuselage, a motor for driving the rotating shaft to rotate, and a propeller installed on the rotating shaft, the mounting seat is installed on the fuselage; the outer wall of the rotating shaft is sleeved with a mounting ring, the propeller is installed on the mounting ring; the outer wall of the rotating shaft is provided with a positioning block, the mounting ring is provided with a positioning groove for inserting the positioning block; the rotating shaft is sleeved with a positioning ring for abutting against the upper wall of the mounting ring, and the positioning ring is fixed to the rotating shaft through a fixing structure.

[0020] By adopting the technical scheme, when the propeller is damaged after long-time use, the propeller can be disassembled and replaced, so that the normal use of the unmanned aerial vehicle is maintained; and the insertion and cooperation of the positioning block and the positioning groove can reduce the relative rotation between the mounting ring and the rotating shaft, that is, the rotating shaft can drive the propeller to rotate when the rotating shaft rotates, so that the unmanned aerial vehicle ascends.

[0021] Optionally, the fixing structure comprises a first threaded portion provided on the inner wall of the positioning ring and a second threaded portion provided on the outer wall of the rotating shaft, and the first threaded portion and the second threaded portion are cooperated.

[0022] By adopting the technical scheme, the cooperation of the first threaded portion and the second threaded portion can fix the positioning ring to the rotating shaft, so as to fix the rotating shaft to the rotating shaft, and the structure is simple, so as to facilitate the staff to fix it.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By setting the mounting assembly, the insertion and cooperation of the ground penetrating radar body and the mounting groove, and the position of the anti-dropping plate on the sliding mounting seat is changed, so that the anti-dropping plate abuts against the upper surface of the ground penetrating radar body, the connection between the ground penetrating radar body and the mounting seat can be completed; the structure is relatively simple, so as to facilitate the staff to disassemble and assemble the ground penetrating radar body and the unmanned aerial vehicle;

[0025] 2. By detachably installing the propeller on the rotating shaft, when the propeller is damaged after long-time use, the propeller can be disassembled and replaced, so that the normal use of the unmanned aerial vehicle is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the embodiment;

[0027] Figure 2 is Figure 1 is a partial enlarged view of a at

[0028] Figure 3 is a partial sectional view of the embodiment;

[0029] Figure 4 isFigure 1 a local enlarged view of b in FIG.

[0030] Figure 5 is a schematic view of the mounting of the propeller and the rotating shaft of the embodiment.

[0031] FIG. 1 is a schematic view of the unmanned aerial vehicle; FIG. 2 is a schematic view of the geological radar body; FIG. 3 is a schematic view of the mounting seat; FIG. 4 is a schematic view of the mounting assembly; and FIG. 5 is a schematic view of the positioning ring. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is described in further detail.

[0033] The embodiment of the application discloses a tunnel second lining arch part concrete automatic detection device.

[0034] With reference to Figure 1 A tunnel second lining arch part concrete automatic detection device, comprising an unmanned aerial vehicle 1, a geological radar body 2, a mounting seat 3 and a mounting assembly 4, the mounting seat 3 is installed above the unmanned aerial vehicle 1; the mounting seat 3 is installed on the upper surface of the geological radar body 2, and the mounting assembly 4 is used for fixing the geological radar body 2 and the mounting seat 3.

[0035] The upper surface of the mounting seat 3 is provided with a mounting groove 31, and the geological radar body 2 is inserted into the mounting groove 31; and the opposite sides of the mounting seat 3 are provided with taking-out grooves 32, the upper surfaces of the taking-out grooves 32 are communicated with the upper surface of the mounting seat 3, and the taking-out grooves 32 are arranged to facilitate the staff to put the geological radar body 2 into the mounting groove 31 or take the geological radar body 2 out of the mounting groove 31.

[0036] With reference to Figure 2 and Figure 3 The mounting assembly 4 is provided with two groups, and the two groups of mounting assemblies 4 are arranged on the opposite sides of the mounting groove 31 respectively; the mounting assembly 4 comprises a anti-off plate 41, a fixing piece 42 and a second spring 43, the upper surface of the mounting seat 3 is provided with a sliding groove 33, the anti-off plate 41 is slidably installed in the sliding groove 33 and used for abutting against the upper surface of the geological radar body 2; the two ends of the second spring 43 are fixed with the inner wall of the sliding groove 33 and the anti-off plate 41 respectively, and the elastic force of the second spring 43 is used to drive the anti-off plate 41 to move towards one side of the sliding groove 33 to cancel the abutment with the upper surface of the geological radar body 2.

[0037] With reference to Figure 3 andFigure 4 The fixing piece 42 comprises a clamping block 421, a first spring 422 and an unlocking rod 423, the bottom wall of the sliding groove 33 is provided with a movable groove 34, and the anti-disengagement plates 41 normally cover the surface of the movable groove 34; the clamping block 421 is movably installed in the movable groove 34, and the bottom wall of the anti-disengagement plate 41 is provided with a clamping groove 44 for inserting the clamping block 421; the two ends of the first spring 422 are fixed with the clamping block 421 and the inner wall of the movable groove 34 respectively, and the elastic force of the first spring 422 is used to drive the clamping block 421 to move away from the side of the movable groove 34.

[0038] Referring to Figure 4 The side wall of the mounting plate is provided with an unlocking groove 35 communicating with the movable groove 34, the unlocking rod 423 is movably installed in the unlocking groove 35 and fixed with the clamping block 421, and by moving the position of the unlocking rod 423 in the unlocking groove 35, the insertion of the clamping block 421 and the clamping groove 44 can be cancelled.

[0039] The side wall of the mounting seat 3 is provided with a connecting groove 36 communicating with the two unlocking grooves 35, and the connecting rod 424 is located in the connecting groove 36 and fixed with the two unlocking rods 423; by sliding the connecting rod 424, the insertion of the two clamping blocks 421 and the two anti-disengagement plates 41 can be cancelled at the same time, improving the unlocking efficiency; and by arranging the connecting rod 424 in the connecting groove 36, the situation that the connecting rod 424 protrudes from the side wall of the mounting seat 3 can be reduced, and the situation that the worker accidentally touches the connecting rod 424 can be reduced.

[0040] Referring to Figure 5 The unmanned aerial vehicle 1 comprises a fuselage 11, rotating shafts 12, motors and propellers 13, and the mounting seat 3 is fixed on the upper surface of the fuselage 11; the rotating shafts 12 are provided with four, and the four rotating shafts 12 are all rotatably installed on the fuselage 11, and the motors are used to drive the rotating shafts 12 to rotate.

[0041] The rotating shaft 12 is fixed with a fixing ring 14, the outer wall of the rotating shaft 12 is provided with a mounting ring 15 abutting against the top wall of the fixing ring 14, and the propeller 13 is fixed on the mounting ring 15; the outer wall of the rotating shaft 12 is fixed with a positioning block 16, the inner wall of the mounting ring 15 is provided with a positioning groove 17 for inserting the positioning block 16, and the cooperation of the positioning block 16 and the positioning groove 17 can reduce the relative rotation between the mounting ring 15 and the rotating shaft 12.

[0042] The rotating shaft 12 is sleeved with a positioning ring 5, the mounting ring 15 is clamped between the positioning ring 5 and the mounting ring 15, the positioning ring 5 is fixed with the rotating shaft 12 through a fixing structure 51; the fixing structure 51 comprises a first threaded part and a second threaded part matched with the first threaded part, the first threaded part is arranged on the inner wall of the positioning ring 5, and the second threaded part is arranged on the outer wall of the rotating shaft 12. The cooperation of the first threaded part and the second threaded part can detachably install the propeller 13 on the rotating shaft 12, so that the propeller can be overhauled, and the service life of the unmanned aerial vehicle 1 is improved.

[0043] The implementation principle of the tunnel secondary lining arch concrete automatic detection device provided in the embodiment of the application is as follows:

[0044] The geological radar body 2 is inserted and matched with the mounting groove 31, so that the geological radar body 2 can be installed on the unmanned aerial vehicle 1; and the position of the anti-disengagement plate 41 on the sliding mounting seat 3 is adjusted to abut against the upper surface of the geological radar body 2, so that the disengagement of the geological radar body 2 from the mounting groove 31 is reduced; and the structure is relatively simple, so as to facilitate the staff to disassemble and assemble the geological radar body 2 and the unmanned aerial vehicle 1.

[0045] The above is the preferred embodiment of the application, which does not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application shall be covered within the protection scope of the application.

Claims

1. A device for automatically detecting the concrete of the tunnel secondary lining arch, characterized in that: The utility model provides a geological radar unmanned aerial vehicle, including unmanned aerial vehicle (1), geological radar body (2) and installation assembly (4), unmanned aerial vehicle (1) top is provided with mounting seat (3), mounting seat (3) is opened with the installation slot (31) of geological radar body (2) plug connection for installation groove (31), installation assembly (4) includes anti -drop board (41) and fixed part (42), anti -drop board (41) slip installation on mounting seat (3) upper surface and be used for with geological radar body (2) upper surface abut, fixed part (42) is used for with anti -drop board (41) with mounting seat (3) fixed.

2. The automatic detection device for the second lining arch concrete of a tunnel according to claim 1, characterized in that: The fixing part (42) includes a first spring (422) and a clamping block (421), the upper surface of the mounting seat (3) is provided with a movable slot (34) for sliding the clamping block (421), and the bottom wall of the anti-drop plate (41) is provided with a clamping slot (44) for inserting the clamping block (421). The two ends of the first spring (422) are respectively connected with the clamping block (421) and the bottom wall of the movable slot (34), and the elastic force of the first spring (422) is used to drive the clamping block (421) to be inserted into the clamping slot (44) in a normal state.

3. The automatic detection device for the second lining arch concrete of a tunnel according to claim 2, characterized in that: The installation assembly (4) is provided with two groups, and the two groups of installation assemblies (4) are installed on the opposite sides of the geological radar body (2).

4. The automatic detection device for the second lining arch concrete of a tunnel according to claim 3, characterized in that: The side wall of the mounting seat (3) is provided with an unlocking slot (35) connected with the clamping slot (44), the unlocking slot (35) is slidably installed with an unlocking rod (423) connected with the clamping block (421), and the two unlocking rods (423) are connected by a connecting rod (424).

5. The automatic detection device for the second lining arch concrete of a tunnel according to claim 2, characterized in that: A second spring (43) is arranged between the mounting seat (3) and the anti-drop plate (41), and the elastic force of the second spring (43) is used to drive the anti-drop plate (41) to move away from the geological radar body (2).

6. The automatic detection device for the second lining arch concrete of a tunnel according to claim 1, characterized in that: The opposite sides of the installation slot (31) are provided with a taking-out slot (32), and the taking-out slot (32) penetrates through the upper wall of the mounting seat (3).

7. The automatic detection device for the second lining arch concrete of a tunnel according to claim 1, characterized in that: The unmanned aerial vehicle (1) includes a fuselage (11), a rotating shaft (12) rotatably installed on the fuselage (11), a motor for driving the rotating shaft (12) to rotate, and a propeller (13) installed on the rotating shaft (12). The mounting seat (3) is installed on the fuselage (11). The outer wall of the rotating shaft (12) is provided with a mounting ring (15), and the propeller (13) is installed on the mounting ring (15). The outer wall of the rotating shaft (12) is provided with a positioning block (16), and the mounting ring (15) is provided with a positioning slot (17) for inserting the positioning block (16). The rotating shaft (12) is sleeved with a positioning ring (5) for abutting with the upper wall of the mounting ring (15), and the positioning ring (5) is fixed with the rotating shaft (12) by a fixing structure (51).

8. The automatic detection device for the second lining arch concrete of a tunnel according to claim 7, characterized in that: The fixing structure (51) includes a first threaded portion arranged on the inner wall of the positioning ring (5) and a second threaded portion arranged on the outer wall of the rotating shaft (12), and the first threaded portion and the second threaded portion are matched.