CN210243599U

CN210243599U - Tunnel detection device

Info

Publication number: CN210243599U
Application number: CN201920791097.0U
Authority: CN
Inventors: Jinzi Jiang; 江金子; Yang Lei; 雷洋; Falin Qi; 齐法琳; Dongsheng Chen; 陈东生; Weihua Xu; 徐委华
Original assignee: Zhongtie Technology Co ltd; Infrastructure Inspection Institute of CARS
Current assignee: Zhongtie Technology Co ltd; Infrastructure Inspection Institute of CARS
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-03
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a tunnel detection field, concretely relates to tunnel detection device. The tunnel detection device comprises a movable carrier and a detection arm arranged on the movable carrier, wherein the detection arm comprises a large arm hinged to the movable carrier and a small arm hinged to the large arm, and a detection module which stretches out and draws back along the tunnel in the radial direction is arranged on the small arm. Can follow the tunnel through setting up detection module and radially stretch out and draw back, when having the barrier on the tunnel inner wall, only detection module radially contracts and can realize keeping away the barrier, easy operation need not to make the removal carrier stop the operation detection arm and realize keeping away the barrier, convenient operation does not influence work efficiency. The problem of tunnel detection device among the prior art need park and keep away the barrier under the condition of touchhing the barrier, reduce efficiency is solved.

Description

Tunnel detection device

Technical Field

The utility model relates to a tunnel detection field, concretely relates to tunnel detection device.

Background

In the process of railway tunnel construction and maintenance, the inner wall of a tunnel lining has the defects of cracks, holes, leakage, virtual blocks and the like, so that the phenomena of slag falling, water seepage, collapse and the like of the tunnel lining can be caused, and potential danger is caused to train operation. Therefore, there is a need for a device for detecting the inner wall of a tunnel lining in order to detect and take remedial action in a timely manner.

At present, the tunnel detection is carried out by manually rolling a simple flat car and manually supporting a detection radar in China, the inner wall of a tunnel lining is detected along one line every time, a strip-shaped area is detected, and the detection advancing speed is 5km/h at most. In order to improve the efficiency of detecting the tunnel, the quality condition of the inner wall of the tunnel is detected by a tunnel detection vehicle in the prior art. The application with the application number of CN201010573447.X provides a tunnel probe vehicle detection device, and specifically discloses: the tunnel detection vehicle detection device comprises five sets of mutually independent detection arms which are arranged on a detection vehicle platform in an X shape, and each set of detection arm consists of six parts, namely a detection arm seat, a multi-stage telescopic arm, a multi-stage plunger hydraulic cylinder, a swing hydraulic cylinder, a hydraulic winch, a steel wire rope and a radar trolley. The multistage telescopic arm is formed by 3-4 sections of sliding sleeve layer sleeves, and in two adjacent inner and outer sleeves, the outer sleeve provides sliding positioning for the inner sleeve. The multistage plunger hydraulic cylinder is 3 ~ 4 grades of piston rod structures, and the progression corresponds unanimously with the sleeve number of multistage flexible arm, and two adjacent inside and outside piston rods, its outer piston rod are the cylinder of interior piston rod, analogizes in proper order. The radar dolly is on the probe arm top, and its base is fixed at the flexible arm of multistage one-level sleeve top of innermost, and the flexible radar dolly that drives of flexible arm of multistage takes off and land, and the radar dolly tightly supports the tunnel lining inner wall during the exploration operation. Although the detection trolley improves the efficiency of tunnel detection, if the inner wall of the tunnel is provided with the raised barrier, the vehicle needs to be stopped to avoid the barrier, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Need park to keep away the barrier in order to solve tunnel detection device among the prior art under the condition of touchhing the barrier, the problem of inefficiency, the utility model provides a tunnel detection device has solved above-mentioned technical problem. The technical scheme of the utility model as follows:

the tunnel detection device comprises a movable carrier and a detection arm arranged on the movable carrier, wherein the detection arm comprises a large arm hinged to the movable carrier and a small arm hinged to the large arm, and a detection module which stretches out and draws back along the tunnel in the radial direction is arranged on the small arm.

Can follow the tunnel through setting up detection module and radially stretch out and draw back, when having the barrier on the tunnel inner wall, only detection module radially contracts and can realize keeping away the barrier, easy operation need not to make the removal carrier stop the operation detection arm and realize keeping away the barrier, convenient operation does not influence work efficiency.

Furthermore, the big arm is a multi-stage telescopic arm, and the telescopic end of the big arm is hinged with the small arm.

Further, the number of the small arms is at least two, and at least two small arms are hinged with each other.

Further, the outer contour of the small arm is matched with the shape of the inner wall of the tunnel.

Further, the swing direction of the small arm with respect to the large arm is perpendicular to the swing direction between the small arms.

Further, each small arm is provided with at least one detection module.

Further, the large arm swings in the circumferential direction of the tunnel under the pushing action of the first telescopic driving device, and the small arm swings relative to the large arm under the pushing action of the second telescopic driving device.

Furthermore, the detection module stretches out and draws back under the driving action of the third stretching driving device, and the detection module further comprises a guide assembly, and the detection module moves along the radial direction under the guide action of the guide assembly.

Furthermore, the guide assembly comprises a guide post and a guide plate, a guide hole is formed in the guide plate, the guide post is located in the guide hole, the detection module is fixedly connected with the guide post, and the telescopic end of the third telescopic driving device drives the guide post to move along the guide hole.

The sensor is close to the detection module, the sensor senses obstacles on the inner wall of the tunnel and transmits sensing information to the controller, and the controller controls the detection module to avoid the obstacles.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a tunnel detection device can radially stretch out and draw back along the tunnel through setting up detection module, when having the barrier on the tunnel inner wall, only detection module radial shrinkage can realize keeping away the barrier, easy operation need not to make the removal carrier stop to operate the detection arm and realize keeping away the barrier, convenient operation does not influence work efficiency;

2. the utility model discloses a tunnel detection device, but the regulation to the position of forearm is realized to the scalable wobbling of big arm, rethread forearm with big arm hinge, articulated between at least two forearm, so can further realize the regulation to the position of detection module through the swing of forearm, realize multiple regulation, and the swing direction of forearm relative big arm is perpendicular with the swing direction between the forearm, can realize the three-dimensional regulation to the position of detection module on the forearm once more; in addition, when a large obstacle is encountered, the obstacle avoidance can be realized through the swinging between the small arms, the swinging between the small arms and the large arm, and the swinging and the stretching of the large arm;

3. the outer contour of the small arm of the tunnel detection device of the utility model is adapted to the shape of the inner wall of the tunnel, so that the detection module on the small arm can detect the state of the inner wall of the tunnel by approaching the inner wall of the tunnel; the number of the small arms is further multiple, each small arm is provided with at least one detection module, and the detection range is wide.

Drawings

Fig. 1 is a schematic structural view of a detection arm of the present invention;

FIG. 2 is a schematic view of the structure of the detection module mounted on the small arm;

FIG. 3 is a state diagram of the detection arm after being folded;

in the figure: 1-a detection arm; 11-big arm; 12-forearm; 2-a detection module; 3-mounting a base; 4-a first telescopic drive; 5-a second telescopic driving device; 6-driving a motor; 7-a third telescopic driving device; 71-a first connecting arm; 72 a second connecting arm; 8-a guide assembly; 81-a guide plate; 82-guide post.

Detailed Description

The invention will be further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "radial", "axial", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a tunnel detection apparatus, which includes a movable carrier (not shown in the drawings) and a detection arm 1 disposed on the movable carrier, wherein the detection arm 1 is provided with a detection module 2 for detecting the inner wall of the tunnel.

The movable carrier can be a trolley, and the working efficiency is improved by arranging the detection arm 1 on the trolley. Specifically, detection arm 1 passes through mount pad 3 and sets up on moving the carrier, and mount pad 3 is fixed to be set up on moving the carrier, and detection arm 1 is articulated with mount pad 3.

The detection arm 1 comprises a large arm 11 and a small arm 12, wherein the large arm 11 is hinged with the mounting seat 3, and the small arm 12 is hinged with the large arm 11. Specifically, the large arm 11 is a multi-stage telescopic arm, the telescopic end of the large arm 11 is hinged to the small arm 12, and the other end of the large arm 11 is hinged to the mounting base 3. Further, the large arm 11 swings with respect to its hinge point with the mount 3 under the driving action of the first telescopic driving means 4. The first telescopic driving device 4 is installed on the movable carrier, one end of the first telescopic driving device 4 is hinged to the movable carrier, the other end of the first telescopic driving device 4 is hinged to the large arm 11 through a telescopic end, and the large arm 11 is pushed to swing in a telescopic mode through the first telescopic driving device 4. The first telescopic driving device 4 can be selected from, but not limited to, a hydraulic cylinder and an air cylinder.

The number of the small arms 12 can be at least two, wherein 1 small arm 12 is hinged with the large arm 11, and at least two small arms 12 are hinged with each other. Specifically, the small arm 12 swings relative to the large arm 11 under the pushing action of the second telescopic driving device, the second telescopic driving device 5 is hinged to the large arm 11, the telescopic end of the second telescopic driving device 5 is hinged to the small arm 12, and the small arm 12 is pushed to swing in a telescopic mode through the second telescopic driving device 5. The second telescopic driving device 5 can be selected from, but not limited to, a hydraulic cylinder and an air cylinder. At least two small arms 12 are driven to swing relatively through the driving motor 6. Specifically, the driving motor 6 is provided on one of the small arms 12, and the driving end of the driving motor 6 drives the other small arm 12 to swing with respect to the small arm 12 on which it is provided. The drive motor 6 may alternatively, but not exclusively, be a stepper motor.

The small arm 12 is provided with a detection module 2, and the detection module 2 is arranged close to the inner wall of the tunnel relative to the small arm 12. The detection module 2 may be selected from, but not limited to, radar. The detection module 2 is telescopically arranged on the small arm 12, and the detection module 2 can be telescopic relative to the small arm 12 under the driving action of the third telescopic driving device 7. The third telescopic driving device 7 is installed on the small arm 12, and the telescopic end of the third telescopic driving device drives the detection module 2 to be telescopic relative to the small arm 12. The third telescopic driving device 7 can be selected from, but not limited to, a hydraulic cylinder and an air cylinder. Preferably, at least one detection module 2 is arranged on each small arm 12, and each detection module 2 can independently extend and retract relative to the small arm 12.

Further, a guiding assembly 8 is further included, and the guiding assembly 8 is used for defining the telescopic direction of the detection module 2. The guide assembly 8 comprises a guide plate 81 and a guide column 82, the guide plate 81 is fixedly arranged on the small arm, a guide hole is formed in the guide plate 81, the detection module 2 is fixedly connected with the guide column 82, the guide column 82 stretches into the guide hole and moves along the guide hole, and the detection module 2 is controlled to stretch out and draw back along the radial direction of the tunnel. The moving direction of the detecting module 2 is limited by the guiding columns 82 and the guiding holes on the guiding plate 81. Preferably, the number of the guide holes on the guide plate 81 and the number of the guide posts 82 are at least two, and the guide holes and the guide posts correspond to each other one by one.

Furthermore, the third telescopic driving device 7 is extended with two connecting arms, one end of the first connecting arm is fixedly connected with the fixed end of the third telescopic driving device 7, and the other end is fixedly connected with the guide plate 81; one end of the second connecting arm is fixedly connected with the telescopic end of the third telescopic driving device 7, and the other end of the second connecting arm is fixedly connected with the guide post 82, so that the guide post 82 is driven to move along the guide hole, and the detection module 2 is driven to radially stretch along the tunnel.

Based on the structure, the tunnel detection device of the utility model drives the large arm 11 to deflect through the first telescopic driving device 4, and the large arm 11 is telescopic as required; the second telescopic driving device 5 drives the small arm 12 to deflect relative to the large arm 11; the relative position of two adjacent small arms 12 is adjusted through the driving motor 6, the position of the small arms 12 is determined, the detection module 2 on the small arms 12 stretches out and draws back along the radial direction of the tunnel under the driving action of the third stretching driving device 7, and the accurate positioning of the detection module 2 can be realized.

The utility model discloses a tunnel detection device drives detection module 2 withdrawal through the flexible drive arrangement of third 7 and can realize keeping away the barrier to less barrier, can realize keeping away the barrier to great barrier through the withdrawal of other flexible drive arrangement, the big arm of driving motor drive and forearm, through big arm, very convenient.

When the folding device is not needed to be used, the two adjacent small arms 12 can be driven to be folded through the driving motor 6 (the detection modules 2 on the small arms 12 can be arranged at intervals); under the driving action of the second telescopic driving device 5, the small arm 12 swings to the lowest position towards the large arm 11; finally, the large arm 11 is contracted and driven by the first telescopic driving device 4 to swing downwards to a storage position, as shown in fig. 3, the size is greatly reduced, and the tunnel detection device is convenient to store.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The tunnel detection device comprises a mobile carrier and a detection arm (1) arranged on the mobile carrier, and is characterized in that the detection arm (1) comprises a large arm (11) hinged to the mobile carrier and a small arm (12) hinged to the large arm (11), and a detection module (2) which stretches out and draws back along the tunnel radial direction is arranged on the small arm (12).

2. A tunnel detection device according to claim 1, characterized in that the large arm (11) is a multi-stage telescopic arm, and the telescopic end of the large arm (11) is hinged with the small arm (12).

3. A tunnel detection device according to claim 1, characterized in that said arms (12) are at least two, at least two of said arms (12) being hinged to each other.

4. A tunnel boring device according to any one of claims 1 to 3, characterised in that the outer contour of the small arms (12) is adapted to the shape of the inner wall of the tunnel.

5. A tunnel detection apparatus according to claim 3, characterized in that the direction of oscillation of the small arms (12) relative to the large arms (11) is perpendicular to the direction of oscillation between the small arms (12).

6. A tunnel detection apparatus according to any one of claims 1-3, 5, characterized in that at least one detection module (2) is arranged on each of the small arms (12).

7. A tunnel detection device according to claim 1, characterised in that the large arm (11) is arranged to swing in the circumferential direction of the tunnel under the urging of the first telescopic drive means (4), and the small arm (12) is arranged to swing relative to the large arm (11) under the urging of the second telescopic drive means (5).

8. A tunnel boring machine according to claim 1, characterized in that the boring module (2) is retractable under the drive of a third retractable drive (7), and further comprises a guide assembly (8), and the boring module (2) is movable in the radial direction of the tunnel under the guide of the guide assembly (8).

9. A tunnel detection device according to claim 8, characterized in that the guide assembly (8) comprises a guide post (82) and a guide plate (81), the guide plate (81) is provided with a guide hole, the guide post (82) is located in the guide hole, the detection module (2) is fixedly connected with the guide post (82), and the telescopic end of the third telescopic driving device (7) drives the guide post (82) to move along the guide hole.