CN220473337U

CN220473337U - Bridge crack detector

Info

Publication number: CN220473337U
Application number: CN202321197950.9U
Authority: CN
Inventors: 李孝国; 赵立民
Original assignee: Heilongjiang Longge Testing Co ltd
Current assignee: Heilongjiang Longge Testing Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2024-02-09
Anticipated expiration: 2033-05-18

Abstract

The utility model belongs to the field of bridge crack detection, and discloses a bridge crack detector, which comprises an annular frame and is characterized in that: the climbing device used for climbing on the bridge pier is arranged below the annular frame, the annular frame is fixedly connected with the climbing device through square struts, a detection device used for detecting bridge cracks is arranged above the annular frame, a power device is arranged below the detection device, a connecting component used for connecting each annular frame is arranged on the annular frame, and a sliding device used for enabling the detection device to conduct annular rotation detection on the annular frame is arranged above the annular frame. The annular frame structure can be fixed on the pier to climb, does not need to climb higher pier with the staff, great reduction detects the danger, and forms through a plurality of annular frames combination, and then can climb the pier that the size is different to the top and detect the crack on bridge below top.

Description

Bridge crack detector

Technical Field

The utility model relates to the field of bridge crack detection, in particular to a bridge crack detector.

Background

The bridge crack detector is a device for detecting cracks in a bridge structure. With the acceleration of the urban process and the increase in the number of highway bridges, the safety and reliability of the bridges become increasingly important. Therefore, the appearance of bridge crack detector has greatly improved the security and the reliability of bridge.

For example, utility model number 202220119020.0's practicality patent discloses a bridge crack detection device, including the mounting panel, terminal surface both ends are provided with corresponding fixed plate under the mounting panel, the fixed plate inboard is provided with corresponding movable plate, be provided with the pivot that passes the movable plate between the fixed plate, pivot one end is connected with the motor, the joint has the walking wheel in the pivot, the fixed plate is located the below both sides of pivot and is provided with two-way threaded rod and round pin pole respectively, be provided with on the movable plate with two-way threaded rod and the corresponding two-way screw hole and pin hole of round pin pole, the movable plate passes through two-way threaded hole and pin hole and two-way threaded rod and round pin pole are connected, the one end of two-way threaded rod is provided with the rocking handle, the lower extreme of one side in opposite directions of movable plate is provided with a plurality of groups gyro wheel mechanism, mounting panel one end is provided with telescopic link mechanism, be provided with the camera in the telescopic link mechanism.

In the above-mentioned bridge crack detection device, realize carrying out crack detection to bridge lower part top and as main detection target, and detection device needs to block and remove on the bridge lateral wall, and current crack inspection method mainly is based on the means such as carrying out the vision or measuring to the crack of building, structure surface, but has certain degree of difficulty and limitation to three-dimensional structures such as pier. Because cracks of the bridge pier are difficult to directly observe, special measurement and detection are needed.

Disclosure of Invention

The present utility model is intended to provide solutions to existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bridge crack detector, includes the ring frame, and the ring frame below is provided with the climbing device that is used for climbing on the pier, the ring frame is connected fixedly through square pillar and climbing device, the ring frame top is provided with the detection device who is used for bridge crack detection, the detection device below is provided with power device, it has the coupling assembling who is used for connecting every ring frame to open on the ring frame, the ring frame top is provided with the slider that is convenient for detection device carries out around the ring rotation detection on the ring frame.

Preferably, a gear ring is fixed on one side of the climbing device below the annular frame, and a round hole for connecting with another annular frame is formed in the annular boundary of the annular frame.

Preferably, the climbing device comprises a first electric cylinder fixed at the lower part of the square pillar, the other end of the first electric cylinder is connected with a U-shaped frame, a first roller for climbing is installed in the middle of the U-shaped frame, and a driving device is arranged on one side of one U-shaped frame in the climbing device.

Preferably, the driving device comprises a first motor positioned at one side of a U-shaped frame in the climbing device, an output end of the first motor is connected with a first roller, a base used for supporting the first motor is arranged below the first motor, and the base is fixed on an extension plate of the U-shaped frame.

Preferably, the sliding device comprises a sliding groove positioned on the upper surface of the annular frame, a sliding block is arranged in the sliding groove, and a horizontal supporting plate for keeping horizontal is arranged at the upper end of the sliding block.

Preferably, the detection device comprises a detection shell which is arranged on a horizontal support plate and used for playing a role in protection, a second electric cylinder and a third electric cylinder are arranged in the detection shell, a camera used for observing cracks of a bridge is arranged at the upper end of the second electric cylinder, an illuminating lamp used for illumination is arranged around the camera, an ultrasonic detection head used for detecting the cracks is arranged at the upper end of the third electric cylinder, a data transmitter used for wirelessly transmitting data is arranged in the middle of the two second electric cylinders inside the detection shell, a wire slot used for laying a line is formed in the bottom end inside the detection shell and is arranged at the second electric cylinder and the data transmitter, a universal rotating shaft is arranged at four corners of the upper end of the detection shell, a roller bracket is arranged on the universal rotating shaft, and a second roller used for rolling along the top of the lower portion of the bridge is arranged in the roller bracket.

Preferably, the power device comprises a second motor arranged below the horizontal support plate for providing encircling rotation power for the detection device, and a gear is arranged at the output end of the second motor and meshed with a gear ring below the annular frame.

Preferably, the connecting assembly comprises a clamp for connecting the two annular frames, the clamp penetrates through round holes in the two annular frames to be matched with a connecting piece below the annular frames, and a nut for carrying out spiral reinforcement with the clamp penetrating through the round holes is arranged below the connecting piece.

Compared with the prior art, the technical scheme has the beneficial effects that:

the annular frame structure can be fixed on the bridge pier to climb, does not need to climb higher bridge piers by workers, greatly reduces the detection risk, is formed by combining a plurality of annular frames, and can further climb the bridge piers with different sizes to the top to detect cracks on the top of the lower part of the bridge.

The size of the crack is measured more accurately through the combination of the camera, the ultrasonic detection head and the data transmitter, and data is sent to a receiver in a remote worker through the data transmitter rapidly.

Adopt staple and connecting piece's design, can strengthen the fastness of junction through spiral reinforcement's mode, ensure the stability and the reliability of connection, and make the installation simpler and swift, can improve work efficiency.

Drawings

FIG. 1 is a schematic top view of a three-dimensional structure according to the present utility model;

fig. 2 is an enlarged schematic view of a portion a of the top-view three-dimensional structure according to the present utility model;

FIG. 3 is a schematic rear view of the present utility model;

FIG. 4 is a schematic view of a lower-view perspective structure according to the present utility model;

fig. 5 is a schematic top view of the detection device provided by the present utility model.

Reference numerals: 1. an annular frame; 101. square support posts; 102. a gear ring; 103. a round hole; 2. a climbing device; 201. a first electric cylinder; 202. a U-shaped frame; 203. a first roller; 204. a driving device; 2041. a first motor; 2042. a base; 2043. an extension plate; 3. a detection device; 301. a detection housing; 302. a second electric cylinder; 303. a camera; 304. a lighting lamp; 305. an ultrasonic detection head; 306. a data transmitter; 307. a wire slot; 308. a universal rotating shaft; 309. a roller bracket; 310. a second roller; 311. a third electric cylinder; 4. a power device; 401. a second motor; 402. a gear; 5. a connection assembly; 501. a staple; 502. a connecting piece; 503. a screw cap; 6. a sliding device; 601. a chute; 602. a slide block; 603. a horizontal support plate.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and embodiments:

the specific implementation process is as follows:

referring to fig. 1-5, a bridge crack detector comprises an annular frame 1, wherein a climbing device 2 for climbing on a bridge pier is arranged below the annular frame 1, the annular frame 1 is fixedly connected with the climbing device 2 through a square pillar 101, a detection device 3 for detecting a bridge crack is arranged above the annular frame 1, a power device 4 is arranged below the detection device 3, a connecting component 5 for connecting each annular frame 1 is arranged on the annular frame 1, and a sliding device 6 for facilitating the detection device 3 to perform ring-winding rotation detection on the annular frame 1 is arranged above the annular frame.

The annular frame 1 structure can be fixed and climb on the pier, does not need to climb higher pier with the staff, great reduction detects the danger, and forms through a plurality of annular frames combination, and then can climb the pier that the size is different to the top and detect the crack on bridge below top.

The gear ring 102 is fixed on one side of the climbing device 2 below the annular frame 1, a round hole 103 for connecting the other annular frame 1 is formed in the annular boundary of the annular frame 1, a plurality of annular frames 1 can be conveniently connected, a larger bridge crack detection team is formed, and the detection efficiency and flexibility are improved.

The climbing device 2 comprises a first electric cylinder 201 fixed at the lower part of the square pillar 101, the other end of the first electric cylinder 201 is connected with a U-shaped frame 202, a first roller 203 used for climbing is arranged in the middle of the U-shaped frame 202, and a driving device 204 is arranged on one side of one U-shaped frame 202 in the climbing device 2.

The U-shaped frame 202 is pushed by the first electric cylinder 201, so that the annular frame 1 can be fixed on a pier, and can be adjusted according to the radius of the pier, and the adaptability and usability of the device are improved.

The electric cylinder is a modularized product which integrates a servo motor and a screw rod, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the optimal advantage of the servo motor into accurate rotation speed control, accurate rotation number control, accurate torque control into accurate speed control, accurate position control and accurate thrust control; realizing a brand new revolutionary product of high-precision linear motion series.

The driving device 204 comprises a first motor 2041 located at one side of a U-shaped frame 202 in the climbing device 2, an output end of the first motor 2041 is connected with a first roller 203, a base 2042 for supporting the first motor 2041 is arranged below the first motor 2041, and the base 2042 is fixed on an extension plate 2043 of the U-shaped frame 202.

The sliding device 6 comprises a sliding groove 601 positioned on the upper surface of the annular frame 1, a sliding block 602 is arranged in the sliding groove 601, a horizontal supporting plate 603 for keeping horizontal is arranged at the upper end of the sliding block 602, the sliding device 6 adopts the design of the sliding groove 601 and the sliding block 602, the stable and reliable effect can be kept, meanwhile, friction and abrasion are reduced, and the use efficiency is improved.

The detection device 3 comprises a detection shell 301 which is arranged on a horizontal support plate 603 and used for playing a role in protection, a second electric cylinder 302 and a third electric cylinder 311 are arranged in the detection shell 301, a camera 303 used for observing cracks of a bridge is arranged at the upper end of the second electric cylinder 302, a lighting lamp 304 used for lighting is arranged around the camera 303, an ultrasonic detection head 305 used for detecting the cracks is arranged at the upper end of the third electric cylinder 311, a data transmitter 306 used for wirelessly transmitting data is arranged in the detection shell 301 and positioned between the two second electric cylinders 302, a wire slot 307 used for laying a circuit is arranged at the bottom end of the detection shell 301 and the data transmitter 306, universal rotary shafts 308 are arranged at four corners of the upper end of the detection shell 301, roller supports 309 are arranged on the universal rotary shafts 308, and second rollers 310 used for rolling along the top below the bridge are arranged in the roller supports 309.

The device adopts the double detection method of the camera 303 and the ultrasonic detection head 305, can efficiently and accurately detect whether a crack exists in a bridge, has a data transmission function, can transmit detection data to a cloud end in real time for analysis and processing, realizes intelligent detection, adopts the rotatable universal rotating shaft 308 and the roller bracket 309, can conveniently adjust the detection position and direction, improves the convenience of operation, and simultaneously adopts the design of the second roller 310, can avoid friction and abrasion between the detection shell 301 and the bridge in the detection process, and improves the safety.

The power unit 4 comprises a second motor 401 mounted below the horizontal support plate 603 for providing the detecting device 3 with a circumferential rotation power, and a gear 402 is mounted at the output end of the second motor 401, and the gear 402 is meshed with the gear ring 102 below the annular frame 1.

The connecting assembly 5 comprises a clamp 501 for connecting the two annular frames 1, the clamp 501 passes through the round holes 103 on the two annular frames 1 to be matched with a connecting piece 502 below the annular frames 1, and a nut 503 for carrying out spiral reinforcement with the clamp 501 passing through the round holes 103 is arranged below the connecting piece 502.

The device has adopted the design of staple 501 and connecting piece 502, can strengthen the fastness of junction through the mode of spiral reinforcement, ensures stability and the reliability of connection, and makes the installation simpler and swift, can improve work efficiency.

Working principle: firstly, the ring frame 1 is connected and used by using a connecting assembly 5 according to the size of a bridge pier, after the connection is completed, a first roller 203 is pushed by a first electric cylinder 201 to be clung to the wall of the bridge pier, a first motor 2041 drives the first roller 203 to rotate, the assembled ring frame 1 is slowly lifted until a second roller 310 on a detection device 3 is clung to the top end of the lower part of the bridge, then a camera 303 and an ultrasonic detection head 305 are pushed by a second electric cylinder 302, firstly, the position of a crack is observed by the camera 303, the size of the crack is estimated, then the ultrasonic detection head 305 is clung to the top end of the lower part of the bridge for ultrasonic detection, and the detection result is transmitted to a cloud end by a wireless data transmitter 304.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Bridge crack detector, including ring frame (1), its characterized in that: the climbing device (2) used for climbing on the bridge pier is arranged below the annular frame (1), the annular frame (1) is fixedly connected with the climbing device (2) through square support posts (101), a detection device (3) used for bridge crack detection is arranged above the annular frame (1), a power device (4) is arranged below the detection device (3), a connecting component (5) used for connecting each annular frame (1) is arranged on the annular frame (1), and a sliding device (6) used for enabling the detection device (3) to conduct ring winding rotation detection on the annular frame (1) is arranged above the annular frame (1).

2. The bridge crack detector according to claim 1, wherein: a gear ring (102) is fixed on one side of the climbing device (2) below the annular frame (1), and a round hole (103) for connecting with the other annular frame (1) is formed in the annular boundary of the annular frame (1).

3. The bridge crack detector according to claim 1, wherein: the climbing device (2) comprises a first electric cylinder (201) fixed at the lower part of the square pillar (101), the other end of the first electric cylinder (201) is connected with a U-shaped frame (202), a first roller (203) used for climbing is arranged in the middle of the U-shaped frame (202), and a driving device (204) is arranged on one side of one U-shaped frame (202) in the climbing device (2).

4. A bridge crack detector according to claim 3, wherein: the driving device (204) comprises a first motor (2041) positioned at one side of a U-shaped frame (202) in the climbing device (2), the output end of the first motor (2041) is connected with a first roller (203), a base (2042) used for supporting the first motor (2041) is arranged below the first motor (2041), and the base (2042) is fixed on an extension plate (2043) of the U-shaped frame (202).

5. The bridge crack detector according to claim 1, wherein: the sliding device (6) comprises a sliding groove (601) arranged on the upper surface of the annular frame (1), a sliding block (602) is arranged in the sliding groove (601), and a horizontal supporting plate (603) used for keeping horizontal is arranged at the upper end of the sliding block (602).

6. The bridge crack detector according to claim 1, wherein: the detection device (3) comprises a detection shell (301) which is arranged on a horizontal support plate (603) and used for playing a role in protection, a second electric cylinder (302) and a third electric cylinder (311) are arranged in the detection shell (301), a camera (303) used for observing cracks of a bridge is arranged at the upper end of the second electric cylinder (302), an illuminating lamp (304) used for illuminating is arranged around the camera (303), an ultrasonic detection head (305) used for detecting the cracks is arranged at the upper end of the third electric cylinder (311), a data transmitter (306) used for wirelessly transmitting data is arranged in the middle of the two second electric cylinders (302) in the detection shell (301), a wire groove (307) used for laying a circuit is formed in the inner bottom end of the detection shell (301), a universal rotating shaft (308) is arranged at four corners of the upper end of the detection shell (301), a roller bracket (309) is arranged on the universal rotating shaft, and a second roller (310) used for rolling and is arranged in the roller bracket (309) and is used for rolling and attached to the lower top of the bridge.

7. The bridge crack detector according to claim 1, wherein: the power device (4) comprises a second motor (401) which is arranged below the horizontal supporting plate (603) and used for providing encircling rotation power for the detection device (3), a gear (402) is arranged at the output end of the second motor (401), and the gear (402) is meshed with the gear ring (102) below the annular frame (1).

8. The bridge crack detector according to claim 1, wherein: the connecting assembly (5) comprises clamping nails (501) used for connecting two annular frames (1), the clamping nails (501) penetrate through round holes (103) in the two annular frames (1) to be matched with connecting pieces (502) below the annular frames (1), and nuts (503) used for conducting spiral reinforcement with the clamping nails (501) penetrating through the round holes (103) are arranged below the connecting pieces (502).