Movable bridge construction detection device

By designing a movable bridge construction detection device, using drop transmission sensing structure and data recording device, the problem that traditional detection methods are difficult to accurately detect the flatness of the bridge deck is solved, and accurate detection of the bridge deck height difference is achieved, and effective maintenance and repair of the bridge is supported.

CN222541281UActive Publication Date: 2025-02-28中铁二十二局集团第一工程有限公司 +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421093277.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-02-28
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

During the bridge construction process, traditional intuitive observations are difficult to accurately detect whether the bridge deck is flat, resulting in possible throwing, jumping, settlement and other problems, affecting traffic safety.

Method used

A movable bridge construction detection device is designed, including a fixed rear frame structure of the vehicle body, a front frame structure of the wheel connecting the wheel, a walking wheel and axle member, and through a drop transmission sensing structure and a data recording device, the precise detection of the flatness of the bridge deck is achieved.

Benefits of technology

The device can keenly sense the height difference of the road surface and achieve the accuracy of the detection data. It is suitable for simulating the walking status of different vehicles on the bridge, providing accurate detection results, and supporting effective maintenance and repair of the bridge.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model relates to a movable bridge construction detection device which comprises a vehicle body fixing rear rack structure, a wheel connecting front rack structure, walking wheels and a wheel axle piece, and the wheel connecting front rack structure is connected to the front side of the vehicle body fixing rear rack structure. The wheel connecting front rack structure can move up and down on the front side of the vehicle body fixing rear rack structure, and the walking wheels are connected to the bottom side of the wheel connecting front rack structure through wheel shaft pieces. According to the utility model, the arrangement of bridge detection is optimized, the structure has the design that the walking wheels can be replaced, the walking states of different vehicles on the bridge are simulated through the walking wheels with different sizes, the structure can sensitively sense the height difference of the road surface, the accuracy of detection data is realized, and the structure is suitable for popularization and application.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of bridge construction, in particular to a movable bridge construction detection device. Background Art

[0002] During and after the construction of the bridge, it is necessary to conduct a comprehensive inspection of the bridge, including the flatness inspection of the bridge pavement. After repeated flattening and integration, whether the flatness of the bridge deck meets the requirements needs further inspection. If the bridge deck is not flat enough, problems such as jumping and settlement may occur. Various situations may exist in its future use, affecting traffic safety. Traditional intuitive observation cannot accurately express whether there are potholes, height differences, etc. In order to solve the above situation, a movable bridge construction inspection device is designed. Utility Model Content

[0003] The purpose of this utility model is to provide a movable bridge construction detection device to solve the above technical problems. To achieve the above purpose, this utility model adopts the following technical solutions:

[0004] A movable bridge construction detection device comprises a rear frame structure for fixing a vehicle body, a front frame structure for connecting wheels, a running wheel, and a wheel axle. The front frame structure for connecting wheels is connected to the front side of the rear frame structure for fixing the vehicle body, and the front frame structure for connecting wheels can move up and down in front of the rear frame structure for fixing the vehicle body. The running wheel is connected to the bottom side of the front frame structure for connecting wheels via a wheel axle.

[0005] On the basis of the above technical scheme, the wheel shaft is composed of a fixed shaft, a side end bearing, and a shaft end pin, the traveling wheel is fixed to the middle section of the fixed shaft, the side end bearing is provided with two groups, the two groups of side end bearings are respectively connected to the two side ends of the fixed shaft, the shaft end pin is fixed to the side end of the fixed shaft, and the shaft end pin is arranged on the outside of the side end bearing, the wheel connection front frame structure is composed of a wheel axle bracket, a load plate, a connection limit plate, and a shock absorbing structure, the wheel axle bracket is arranged at the bottom side of both ends of the load plate, the connection limit plate is arranged at the rear side of both ends of the load plate, the wheel axle bracket, the load plate, and the connection limit plate are fixed as a whole, the shock absorbing structure is fixed to the center of the top surface of the load plate, and the rear side of the connection limit plate is provided with a drop transmission tooth, the front end of the frame structure after the vehicle body is fixed is connected to the shock absorbing structure, the rear end of the frame structure after the vehicle body is fixed is connected to the connection limit plate, the side end bearing is connected to the bottom end of the wheel axle bracket, and the traveling wheel is arranged between the wheel axle brackets.

[0006] On the basis of the above technical scheme, the vehicle body fixed rear frame structure is composed of a rear fixed end plate, an upper connecting bracket, a lower connecting bracket, a drop transmission sensing structure, a sensing structure shell, and a data recording device, the upper connecting bracket is arranged on the front top edge of the rear fixed end plate, the lower connecting bracket is arranged on the front bottom edge of the rear fixed end plate, and the upper connecting bracket and the lower connecting bracket are arranged in parallel, the drop transmission sensing structure and the sensing structure shell are respectively provided with two groups, the two groups of sensing structure shells are respectively fixed on the two side edges of the upper connecting bracket, the two groups of drop transmission sensing structures are respectively connected in the sensing structure shell, a limiting rod is provided on the front side of the lower connecting bracket, the data recording device is fixed on the rear fixed end plate, the data recording device and the drop transmission sensing structure are electrically connected, the shock absorbing structure is connected to the front end of the upper connecting bracket, the limiting rod on the front side of the lower connecting bracket is connected to the connecting limiting plate, and the drop transmission teeth on the rear side of the connecting limiting plate are meshed and connected with the drop transmission sensing structure.

[0007] Based on the above technical solution, the drop transmission sensing structure is composed of a transmission gear, a central axis, a wheel side magnetic block, a magnetic sensor, and an electrical connecting line. The central axis is arranged at the center of the transmission gear, the wheel side magnetic block is fixed to the side edge of the transmission gear, the magnetic sensor is arranged on one side of the transmission gear, and the magnetic sensor is fixed on the inner wall of the sensing structure housing. The central axis is connected to the sensing structure housing, the transmission gear is meshed with the drop transmission teeth connected to the rear side of the limit plate, and the magnetic sensor is connected to the data recording device through an electrical connecting line.

[0008] Compared with the prior art, the utility model has the following advantages: the utility model optimizes the setting of bridge detection, the structure has a design that can replace the running wheels, and simulates the running status of different vehicles on the bridge through running wheels of different sizes. The structure can sensitively sense the height difference of the road surface and realize the accuracy of the detection data, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a diagram of the overall appearance of the utility model.

[0010] Figure 2 It is a schematic diagram of the structural disassembly of the utility model.

[0011] Figure 3 This is a schematic diagram of the structure of the wheel connected to the front frame of the utility model.

[0012] Figure 4 This is a schematic diagram of the frame structure after the vehicle body is fixed in the utility model.

[0013] Figure 5 This is a detailed schematic diagram of the split drop transmission sensing structure of the utility model.

[0014] In the figure: a rear frame structure 1 for fixing the vehicle body, a front frame structure 2 for connecting the wheels, a traveling wheel 3, a wheel shaft 4, a fixed shaft 5, a side end bearing 6, a shaft end pin 7, an axle bracket 8, a load plate 9, a connecting limit plate 10, a shock absorbing structure 11, a drop transmission gear 12, a rear fixed end plate 13, an upper connecting bracket 14, a lower connecting bracket 15, a drop transmission sensing structure 16, a sensing structure housing 17, a data recording device 18, a limit rod 19, a transmission gear 20, a central shaft 21, a wheel side magnetic block 22, a magnetic sensor 23, and an electrical connection line 24. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementations.

[0016] A movable bridge construction detection device comprises a vehicle body fixed rear frame structure 1, a wheel connected front frame structure 2, a running wheel 3, and a wheel axle 4. The wheel connected front frame structure 2 is connected to the front side of the vehicle body fixed rear frame structure 1, and the wheel connected front frame structure 2 can move up and down on the front side of the vehicle body fixed rear frame structure 1, and the running wheel 3 is connected to the bottom side of the wheel connected front frame structure 2 through the wheel axle 4.

[0017] The wheel shaft 4 is composed of a fixed shaft 5, a side end bearing 6, and a shaft end pin 7. The running wheel 3 is fixed to the middle section of the fixed shaft 5. The side end bearing 6 is provided with two groups, and the two groups of side end bearings 6 are respectively connected to the two side ends of the fixed shaft 5. The shaft end pin 7 is fixed to the side end of the fixed shaft 5, and the shaft end pin 7 is arranged on the outside of the side end bearing 6. The wheel connection front frame structure 2 is composed of a wheel axle bracket 8, a load plate 9, a connection limit plate 10, and a shock absorbing structure 11. The wheel axle bracket 8 is arranged on the bottom side of both ends of the load plate 9. The connecting limit plate 10 is arranged on the rear side of both ends of the load plate 9, the wheel axle bracket 8, the load plate 9, and the connecting limit plate 10 are fixed as a whole, the shock absorbing structure 11 is fixed at the top center of the load plate 9, and the rear side of the connecting limit plate 10 is provided with a drop transmission tooth 12. After the vehicle body is fixed, the front end of the frame structure 1 is connected to the shock absorbing structure 11, and the rear end of the frame structure 1 is connected to the connecting limit plate 10. The side end bearing 6 is connected to the bottom end of the wheel axle bracket 8, and the traveling wheel 3 is arranged between the wheel axle brackets 8.

[0018] The vehicle body fixed rear frame structure 1 is composed of a rear fixed end plate 13, an upper connecting bracket 14, a lower connecting bracket 15, a drop transmission sensing structure 16, a sensing structure shell 17, and a data recording device 18. The upper connecting bracket 14 is arranged on the front top edge of the rear fixed end plate 13, and the lower connecting bracket 15 is arranged on the front bottom edge of the rear fixed end plate 13. The upper connecting bracket 14 and the lower connecting bracket 15 are arranged in parallel. The drop transmission sensing structure 16 and the sensing structure shell 17 are respectively provided with two groups, and the two groups of sensing structure shells 17 are respectively fixed on the upper connecting bracket On both sides of the frame 14, two groups of drop transmission sensing structures 16 are respectively connected in the sensing structure shell 17, a limit rod 19 is set on the front side of the lower connecting bracket 15, the data recording device 18 is fixed on the rear fixed end plate 13, the data recording device 18 and the drop transmission sensing structure 16 are electrically connected, the shock absorbing structure 11 is connected to the front end of the upper connecting bracket 14, the limit rod 19 on the front side of the lower connecting bracket 15 is connected to the connecting limit plate 10, and the drop transmission teeth 12 on the rear side of the connecting limit plate 10 are meshed and connected with the drop transmission sensing structure 16.

[0019] The drop transmission sensing structure 16 is composed of a transmission gear 20, a central axis 21, a wheel side magnetic block 22, a magnetic sensor 23, and an electrical connection line 24. The central axis 21 is arranged at the center of the transmission gear 20, the wheel side magnetic block 22 is fixed to the side edge of the transmission gear 20, the magnetic sensor 23 is arranged on one side of the transmission gear 20, and the magnetic sensor 23 is fixed on the inner wall of the sensing structure housing 17. The central axis 21 is connected to the sensing structure housing 17, the transmission gear 20 is meshed and connected with the drop transmission tooth 12 on the rear side of the limit plate 10, and the magnetic sensor 23 is connected to the data recording device 18 via the electrical connection line 24.

[0020] Working principle of the utility model: the usage of the structure is simple. After the vehicle body in the structure is fixed, the frame structure 1 is fixed on a movable vehicle so that its running wheels 3 can be close to the bridge deck. When the movable vehicle moves, it drives the structure to move, so as to detect the flatness of the bridge and whether there are potholes, jumping and undulating conditions. The running wheels 3 of different sizes can also be replaced and tested according to the road conditions, so as to realize the collection of running data of different vehicles and more accurately judge the degree of repair and maintenance through the data.

[0021] The main working process is that when the walking wheel 3 is walking, if there is a height difference between the walking wheel 3 and the normal walking, the road surface presses the walking wheel 3, so that the walking wheel 3 and the wheel connected to the front frame structure 2 fixed therewith can move up and down. When the wheel connected to the front frame structure 2 moves up and down, the difference transmission tooth 12 in the wheel connected to the front frame structure 2 will drive the transmission gear 20 connected to the rear side and drive the transmission gear 20 to rotate. The wheel side magnetic block 22 will make a circular motion on one side of the magnetic sensor 23. The number of circular motion circles at this time will be recorded by the data recording device 18, and the specific height of the difference will be calculated by conversion. When passing through problems such as bridge deck bulging, jumping, and settlement, it will be recorded as mentioned above, so as to provide accurate data for future maintenance through various data discovered problems.

[0022] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A movable bridge construction detection device, characterized in that: The vehicle comprises a vehicle body fixed rear frame structure (1), a wheel connected front frame structure (2), a running wheel (3), and a wheel axle (4); the wheel connected front frame structure (2) is connected to the front side of the vehicle body fixed rear frame structure (1), and the wheel connected front frame structure (2) can move up and down on the front side of the vehicle body fixed rear frame structure (1); and the running wheel (3) is connected to the bottom side of the wheel connected front frame structure (2) via the wheel axle (4).

2. A movable bridge construction detection device according to claim 1, characterized in that: The wheel shaft (4) is composed of a fixed shaft (5), a side end bearing (6), and a shaft end pin (7); the travel wheel (3) is fixed to the middle section of the fixed shaft (5); two groups of side end bearings (6) are provided, and the two groups of side end bearings (6) are respectively connected to the two side ends of the fixed shaft (5); the shaft end pin (7) is fixed to the side end of the fixed shaft (5), and the shaft end pin (7) is arranged on the outside of the side end bearing (6); the wheel connection front frame structure (2) is composed of a wheel shaft bracket (8), a load plate (9), a connection limit plate (10), and a shock absorbing structure (11); the wheel shaft bracket (8) is arranged at both ends of the load plate (9). On the bottom side, the connection limit plate (10) is arranged at the rear sides of both ends of the load plate (9), the wheel axle bracket (8), the load plate (9) and the connection limit plate (10) are fixed as a whole, the shock absorbing structure (11) is fixed at the center of the top surface of the load plate (9), and the rear side of the connection limit plate (10) is provided with a drop transmission tooth (12), the front end of the frame structure (1) after the vehicle body is fixed is connected to the shock absorbing structure (11), the rear end of the frame structure (1) after the vehicle body is fixed is connected to the connection limit plate (10), the side end bearing (6) is connected to the bottom end of the wheel axle bracket (8), and the travel wheel (3) is arranged between the wheel axle brackets (8).

3. A movable bridge construction detection device according to claim 2, characterized in that: The vehicle body fixed rear frame structure (1) is composed of a rear fixed end plate (13), an upper connecting bracket (14), a lower connecting bracket (15), a drop transmission sensing structure (16), a sensing structure shell (17), and a data recording device (18); the upper connecting bracket (14) is arranged on the front top edge of the rear fixed end plate (13); the lower connecting bracket (15) is arranged on the front bottom edge of the rear fixed end plate (13); the upper connecting bracket (14) and the lower connecting bracket (15) are arranged in parallel; the drop transmission sensing structure (16) and the sensing structure shell (17) are respectively provided in two groups; the two groups of sensing structure shells (17) are respectively fixed to the upper connecting bracket The two sides of the lower connecting bracket (14) are connected to the two groups of drop transmission sensing structures (16) respectively in the sensing structure housing (17); a limit rod (19) is arranged on the front side of the lower connecting bracket (15); the data recording device (18) is fixed on the rear fixed end plate (13); the data recording device (18) and the drop transmission sensing structure (16) are electrically connected; the shock absorbing structure (11) is connected to the front end of the upper connecting bracket (14); the limit rod (19) on the front side of the lower connecting bracket (15) is connected to the connecting limit plate (10); and the drop transmission teeth (12) on the rear side of the connecting limit plate (10) are meshed and connected with the drop transmission sensing structure (16).

4. A movable bridge construction detection device according to claim 3, characterized in that: The drop transmission sensing structure (16) is composed of a transmission gear (20), a central axis (21), a wheel-side magnetic block (22), a magnetic sensor (23), and an electrical connection line (24); the central axis (21) is arranged at the center of the transmission gear (20); the wheel-side magnetic block (22) is fixed to the side edge of the transmission gear (20); the magnetic sensor (23) is arranged on one side of the transmission gear (20), and the magnetic sensor (23) is fixed on the inner side wall of the sensing structure housing (17); the central axis (21) is connected to the sensing structure housing (17); the transmission gear (20) is meshedly connected to the drop transmission tooth (12) on the rear side of the connection limit plate (10); and the magnetic sensor (23) is connected to the data recording device (18) via the electrical connection line (24).