CN220016726U - Telescopic bracket of tunnel defect detection vehicle - Google Patents

Abstract

The utility model belongs to the technical field of detection vehicles, and particularly relates to a telescopic bracket of a tunnel defect detection vehicle, which comprises a bottom frame, a telescopic rod and an electric push rod, wherein the electric push rod is arranged in the telescopic rod and pushes the telescopic rod to stretch; the lower extreme of telescopic link is articulated with the chassis, and articulated department is equipped with a pair of mobilizable spacing card subassembly, can press from both sides tight telescopic link through two spacing card subassemblies, restricts the telescopic link and rotates. The lower end of the telescopic rod is connected in a hinged mode, and can be erected and fixed through the limiting clamp assembly during detection; the device can be horizontally laid down in the transferring process, so that the space required by the longitudinal direction is reduced, and the transferring is facilitated.

Description

Telescopic bracket of tunnel defect detection vehicle

Technical Field

The utility model belongs to the technical field of detection vehicles, and particularly relates to a telescopic bracket of a tunnel defect detection vehicle.

Background

Tunnels are engineering structures buried in earth formations, a form of human exploitation of subterranean spaces. Broadly refers to: a cavity with a cross-sectional area greater than 2 square meters is constructed in any manner under the ground in any desired shape and size for a given application. The tunnel can have water leakage (water damage), lining crack, tunnel freeze injury, lining corrosion, earthquake injury, air pollution in the tunnel and other diseases during operation, and also has fire threat. These hazards and hazards have a significant impact and threat to the safe, comfortable, and normal operation of the tunnel.

In the prior art, tunnel defects are detected through a tunnel defect detection vehicle, as in the track traffic shield lining defect detection device disclosed by the patent application No. 202020769048.X, a camera unit of the device adopts a grouping and column-type installation structure, so that a detection area is enlarged, blind areas are reduced, and meanwhile, a lifting structure is adopted to match the position of the center of a tunnel, so that the edge distortion of images acquired by a camera is reduced, and the device is suitable for detection of various tunnel environments.

Although the lifting support shaft can lift, the whole longitudinal occupied space is larger, and certain requirements are met on the carriage of the vehicle in the actual transportation process, namely certain inconvenience exists in transportation.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the telescopic bracket of the tunnel defect detection vehicle, which can be rotated and laid down, so that the space required by the longitudinal direction can be reduced during transportation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the telescopic bracket of the tunnel defect detection vehicle comprises a bottom frame, a telescopic rod and an electric push rod, wherein the electric push rod is arranged in the telescopic rod and pushes the telescopic rod to stretch out and draw back; the lower extreme of telescopic link is articulated with the chassis, and articulated department is equipped with a pair of mobilizable spacing card subassembly, can press from both sides tight telescopic link through two spacing card subassemblies, restricts the telescopic link and rotates.

The bottom of the electric push rod is fixedly connected with the outer rod of the telescopic rod through a first bolt.

The end part of the movable rod of the electric push rod is provided with a circle of annular groove, the inner rod of the telescopic rod is provided with a second bolt through a threaded through hole, and the end part of the second bolt can extend into the annular groove.

The limiting clamp assembly comprises a fixed seat, a movable clamp and a driving screw, the fixed seat is fixedly connected with the base, the movable clamp is in sliding connection with the fixed seat, the driving screw is in threaded connection with the fixed seat, and one end of the driving screw is in rotary connection with the movable clamp; the movable card can be driven to move by rotating the driving screw.

The other end of the driving screw is fixedly connected with a handle; the shape of the mobile card is concave.

When the telescopic rod is in a horizontal state, the bottom surface of the movable clamp can be contacted with the side surface of the telescopic rod.

The telescopic rod is in contact with the supporting block when in a horizontal state, and supports the telescopic rod through the supporting block.

The supporting block is a rubber block.

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

the lower end of the telescopic rod is connected in a hinged mode, and can be erected and fixed through the limiting clamp assembly during detection; the device can be horizontally laid down in the transferring process, so that the space required by the longitudinal direction is reduced, and the transferring is facilitated.

The structure of first bolt and second bolt sets up, can conveniently install or change electric putter. When the telescopic rod is in a horizontal state, the bottom surface of the movable clamp can be contacted with the side surface of the telescopic rod, namely, the horizontal falling state can be limited through the limiting clamp assembly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the telescopic rod of the present utility model in use;

FIG. 3 is a schematic view of a spacing clip assembly of the present utility model;

FIG. 4 is a schematic view of the internal structure of the telescopic rod of the present utility model;

FIG. 5 is a schematic view of the present utility model in a connected state with a vehicle frame;

wherein: 1 is an underframe, 2 is a telescopic rod, 20 is an outer rod, 21 is an inner rod, 3 is an electric push rod, 30 is a movable rod, 31 is an annular groove, 4 is a limit clamp assembly, 40 is a fixed seat, 41 is a movable clamp, 42 is a driving screw, 43 is a handle, 5 is a first bolt, 6 is a second bolt, 7 is a supporting block, and 8 is a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, a telescopic bracket of a tunnel defect detecting vehicle comprises a chassis 1, a telescopic rod 2 and an electric push rod 3, wherein the electric push rod 3 is arranged in the telescopic rod 2 and pushes the telescopic rod 2 to stretch; the lifting requirement in the actual process is met. The telescopic rod 2 and the electric push rod 3 are of the structures in the prior art; the telescopic rod 2 comprises an inner rod 21 and an outer rod 20, the inner rod 21 is slidably connected with the outer rod 20, and the inner rod 21 and the outer rod 20 can be round tubes or square tubes, preferably square tubes.

The lower extreme of telescopic link 2 is articulated with chassis 1, and articulated department is equipped with a pair of mobilizable spacing card subassembly 4, can press from both sides tight telescopic link 2 through two spacing card subassemblies 4, restricts telescopic link 2 and rotates.

The underframe 1 of the telescopic bracket of the device is fixedly connected with the body of the detection vehicle through bolts; when detection is needed, the telescopic rod 2 is erected and fixed through the limiting clamp assembly 4; when the transport is needed, the transport is horizontally laid down.

Further, for easy installation and disassembly, the bottom of the electric push rod 3 is fixedly connected with the outer rod 20 of the telescopic rod 2 through the first bolt 5.

Further, a ring groove 31 is formed at the end of the movable rod 30 of the electric push rod 3, the second bolt 6 is threaded through the inner rod 21 of the telescopic rod 2, and the end of the second bolt 6 can extend into the ring groove 31. The second bolts 6 may be provided in two.

When the electric push rod 3 needs to be disassembled, the second bolt 6 and the first bolt 5 are disassembled, and then the telescopic rod 2 is horizontally placed, so that the electric push rod 3 can be pulled out of the telescopic rod 2.

Further, the limit clamp assembly 4 is preferably provided in a structure comprising a fixing seat 40, a movable clamp 41 and a driving screw 42, wherein the fixing seat 40 is fixedly connected with the base, the movable clamp 41 is slidably connected with the fixing seat 40, the driving screw 42 is in threaded connection with the fixing seat 40, and one end of the driving screw 42 is rotatably connected with the movable clamp 41. The two movable clamps 41 can be driven to move relatively by rotating the two driving screws 42 respectively so as to clamp the telescopic rod 2 for fixing; when the telescopic rod 2 needs to be put down, the two driving screws 42 are reversely rotated, so that the two moving cards 41 move away from each other, and the telescopic rod 2 can be put down without holding the telescopic rod 2.

Further, for convenience of rotation, a handle 43 is fixedly connected to the other end of the drive screw 42; the movable card 41 is shaped like a Chinese character 'ao', and the telescopic rod 2 is a square tube and can be better attached to the square tube.

Further, the above-mentioned limit clip assembly 4 can only fix the vertical state of the telescopic rod 2, but may swing up and down in the transportation process after it is horizontally laid down; thus: the height of the moving card 41 is set according to the actual situation, and when the telescopic rod 2 is in a horizontal state, the bottom surface of the moving card 41 can be contacted with the side surface of the telescopic rod 2, so that the horizontal state is limited.

Further, in order to better support the telescopic rod 2 after being laid down, a supporting block 7 is fixed on the chassis 1, and when the telescopic rod 2 is in a horizontal state, the telescopic rod 2 is in contact with the supporting block 7, and the telescopic rod is supported by the supporting block 7.

Further, the supporting block 7 is a rubber block.

The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.

Claims (8)

1. The utility model provides a telescopic bracket of tunnel disease detects car which characterized in that: the telescopic device comprises a chassis (1), a telescopic rod (2) and an electric push rod (3), wherein the electric push rod (3) is arranged in the telescopic rod (2) and pushes the telescopic rod (2) to stretch; the lower extreme of telescopic link (2) is articulated with chassis (1), and articulated department is equipped with a pair of mobilizable spacing card subassembly (4), can press from both sides tight telescopic link (2) through two spacing card subassemblies (4), restricts telescopic link (2) rotation.

2. The retractable stand of a tunnel defect inspection vehicle according to claim 1, wherein: the bottom of the electric push rod (3) is fixedly connected with an outer rod (20) of the telescopic rod (2) through a first bolt (5).

3. The telescopic bracket of a tunnel defect inspection vehicle according to claim 1 or 2, wherein: the end part of a movable rod (30) of the electric push rod (3) is provided with a circle of ring groove (31), a second bolt (6) is arranged on an inner rod (21) of the telescopic rod (2) through a threaded through hole, and the end part of the second bolt (6) can extend into the ring groove (31).

4. The retractable stand of a tunnel defect inspection vehicle according to claim 1, wherein: the limiting clamp assembly (4) comprises a fixed seat (40), a movable clamp (41) and a driving screw (42), wherein the fixed seat (40) is fixedly connected with the base, the movable clamp (41) is in sliding connection with the fixed seat (40), the driving screw (42) is in threaded connection with the fixed seat (40), and one end of the driving screw (42) is in rotary connection with the movable clamp (41); the movable card (41) can be driven to move by rotating the driving screw (42).

5. The retractable stand of a tunnel defect inspection vehicle of claim 4, wherein: the other end of the driving screw rod (42) is fixedly connected with a handle (43); the shape of the mobile card (41) is concave.

6. The retractable stand of a tunnel defect inspection vehicle according to claim 1, wherein: when the telescopic rod (2) is in a horizontal state, the bottom surface of the moving card (41) can be contacted with the side surface of the telescopic rod (2).

7. The retractable stand of a tunnel defect inspection vehicle of claim 6, wherein: the telescopic support is characterized in that a supporting block (7) is fixed on the underframe (1), and when the telescopic rod (2) is in a horizontal state, the telescopic rod (2) is contacted with the supporting block (7) and is supported by the supporting block (7).

8. The retractable stand of a tunnel defect inspection vehicle of claim 7, wherein: the supporting block (7) is a rubber block.