CN219010946U

CN219010946U - Intelligent inspection vehicle for bridge expansion joint diseases

Info

Publication number: CN219010946U
Application number: CN202223197831.1U
Authority: CN
Inventors: 卢晟安; 蔡栩彦
Original assignee: Beijing Institute of Technology Zhuhai
Current assignee: Beijing Institute of Technology Zhuhai
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-12
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses an intelligent inspection vehicle for bridge expansion joint diseases, and mainly relates to the field of bridge expansion joint detection. The device comprises a vehicle body, an angle adjusting component arranged on the vehicle body, a visual detection component arranged on the angle adjusting component, a puncture point positioning piece arranged at the bottom of the vehicle body and a control element arranged on the vehicle body; the angle adjusting component is used for adjusting an included angle between the visual detection component and the ground, the visual detection component comprises detection cameras with different focal lengths, data information of the detection cameras is transmitted to the control element, and the control element controls the stab point positioning piece to mark the bridge expansion joint according to the data information transmitted by the detection cameras. The utility model has the beneficial effects that: not only can detect the bridge expansion joint, can also detect the concrete damage condition of bridge expansion joint both sides, mark the place that appears the problem, thereby the staff of being convenient for later maintenance, timely discovery problem has improved the efficiency of whole process.

Description

Intelligent inspection vehicle for bridge expansion joint diseases

Technical Field

The utility model relates to the field of bridge expansion joint detection, in particular to an intelligent inspection vehicle for bridge expansion joint diseases.

Background

In highway bridge construction, the expansion joint is an important construction link and has direct influence on engineering construction quality. The load effect, the temperature effect, the concrete creep, the earthquake effect and the like born by the main body of the highway bridge can influence the service life and the applicability of engineering. In order to reduce these effects, expansion joints are provided during construction.

The bridge expansion joint is arranged between the end parts of two bridges, or between the end parts of the bridge and the bridge abutment or at the hinge position of the bridge, and mainly aims to reduce the influence of expansion with heat and contraction with cold of the bridge deck so as to meet the requirement of bridge deck deformation. Under the continuous increase of traffic volume and vehicle load and the impact of natural factors, the expansion joint building material is fatigued, and then the damage of the expansion joint is quickened, the bridge structure deformation occurs, the service life of the highway bridge is reduced, and traffic accidents can be caused.

Most of the existing detection devices detect bridge expansion joints and surrounding concrete damage conditions manually, but the manual detection efficiency is low, expansion joints of bridges with larger spans are more, the manual detection time is longer, road sealing is needed during detection, the influence on urban traffic is larger when the detection time is longer, the existing detection devices can detect the bridge expansion joints, the damage condition of concretes at two sides of the expansion joints is still carried out manually, and the existing detection devices lack accurate positioning of problem points after detection is completed, so that maintenance of follow-up staff is inconvenient, detection of the quality of the expansion joints of highway bridges is needed to be considered, the construction quality of the highway bridges is guaranteed to meet design standards, and the requirements of vehicle passing comfort and safety are met.

Disclosure of Invention

The utility model aims to provide an intelligent inspection vehicle for bridge expansion joint diseases, which is used for detecting the bridge expansion joints, has high detection efficiency and good stability, can detect the damage condition of concrete at two sides of the bridge expansion joints, can mark the places with problems after detection, is convenient for workers to find the problems in time and solve the problems when maintaining the bridge expansion joints later, and thus improves the efficiency of the whole process.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the intelligent inspection vehicle for bridge expansion joint diseases comprises a vehicle body, an angle adjusting component arranged on the vehicle body, a visual detection component arranged on the angle adjusting component, a puncture point positioning piece arranged at the bottom of the vehicle body and a control element arranged on the vehicle body; the angle adjusting component is used for adjusting an included angle between the visual detection component and the ground, the visual detection component comprises detection cameras with different focal lengths, data information of the detection cameras is transmitted to the control element, and the control element controls the stab point positioning piece to mark the bridge expansion joint according to the data information transmitted by the detection cameras.

The angle adjusting assembly comprises an angle adjusting motor arranged on the vehicle body, a gear adjusting mechanism connected with the angle adjusting motor, and a rotating frame rotatably connected with the vehicle body; the gear adjusting mechanism comprises a transmission shaft connected with an angle adjusting motor, a driving wheel arranged on the transmission shaft and a driven wheel matched with the driving wheel, wherein the driving wheel and the driven wheel are matched with a rotating frame on a vehicle body, a detection camera is arranged on the rotating frame, and a counterweight hole is arranged on the rotating frame.

The diameter of the driving wheel is proportional to that of the driven wheel. When the angle adjusting motor drives the driving wheel and the driven wheel to rotate, the rotating frames corresponding to the driving wheel and the driven wheel are different in rotating height, and preferably correspond to the focal length of the detection camera.

The puncture point positioning piece comprises a plurality of pressure tanks and a spray gun connected with the pressure tanks; the spray guns are positioned at different positions of the bottom of the vehicle body, pipelines are arranged between the pressure tanks and the spray guns, and electromagnetic valves are connected with the pipelines.

The vehicle body comprises a chassis, a plurality of Mecanum wheels hinged with the chassis, a driving assembly connected with the Mecanum wheels, and a shock absorbing suspension connected with each Mecanum wheel.

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

the device can be used for detecting the bridge expansion joint, and the device detection efficiency is high, and stability is good, not only can detect the concrete damage condition of bridge expansion joint both sides, can also mark the place that appears the problem after detecting, and when the follow-up maintenance of staff of being convenient for, timely discovery problem and solution problem to the efficiency of whole process has been improved.

Drawings

FIG. 1 is an overall view of the device of the present utility model.

Fig. 2 is a rear view of the device of the present utility model.

Fig. 3 is a top view of the device of the present utility model.

Fig. 4 is a bottom view of the device of the present utility model.

Fig. 5 is a view showing the state of use of the device according to the present utility model.

The reference numbers shown in the drawings:

1. a control element; 2. detecting a camera; 3. bridge expansion joints; 4. an angle adjusting motor; 5. a rotating frame; 6. a transmission shaft; 7. a driving wheel; 8. driven wheel; 9. a weight port; 10. a pressure tank; 11. a spray gun; 12. a chassis; 13. a wheel; 14. a drive assembly; 15. a shock absorbing suspension; 16. a hinge; 17. a mounting plate;

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The utility model relates to an intelligent inspection vehicle for bridge expansion joint diseases, which comprises a main body, an angle adjusting component arranged on the main body, a visual detection component arranged on the angle adjusting component, a puncture point positioning piece arranged at the bottom of the main body and a control element 1 arranged on the main body, wherein the angle adjusting component is arranged on the main body;

first, the vehicle body: the vehicle body includes a chassis 12, a plurality of wheels 13 hinged to the chassis 12, a drive assembly 14 connected to each wheel 13, and a shock absorbing suspension 15 connected to the wheels 13. As shown in fig. 1 and 5 of the drawings, a hinge 16 is arranged on a chassis 12, the other end of the hinge 16 is connected with a mounting plate 17, a wheel 13 and a driving assembly 14 are arranged on the mounting plate 17, the wheel 13 is a mecanum wheel (the mecanum wheel is simplified in the drawing and is in the prior art), the mecanum wheel is a motion mode capable of driving a device to realize forward movement, transverse movement, oblique movement, rotation, combination and the like, different displacement directions are controlled by the driving assembly 14 to the rotation directions of all hubs, so that the driving assembly 14 needs higher precision, the driving assembly 14 is a servo motor, and each servo motor is controlled by a control element 1. Because the Mecanum wheel is hinged with the chassis 12 through the hinge 16, and the vibration inevitably occurs in the driving process, the mounting plate 17 is provided with the shock-absorbing suspension 15, the shock-absorbing suspension 15 is based on the McPherson suspension principle, each mounting plate 17 is provided with two shock-absorbing suspensions 15, a spring shock absorber is arranged in the shock-absorbing suspension 15, the shock-absorbing suspension 15 directly acts on the mounting plate 17 of the Mecanum wheel, the shock-absorbing suspension 15 is close to the Mecanum wheel hub, and the mounting plate 17 is hinged with the bottom plate through the hinge 16, so that the vibration can be better transmitted to the shock-absorbing suspension 15 instead of being transmitted to the vehicle body when the vehicle is jolt in the driving process, thereby influencing the stability of the detection camera 2 on the vehicle body, and further improving the detection effect of the visual detection camera 2.

The visual detection assembly is the detection camera 2 of different focal lengths, because if only set up a detection camera 2 just can't detect bridge expansion joint 3 comprehensive, because not only detect bridge expansion joint 3 in the testing process still need detect the concrete damage condition of bridge expansion joint 3 both sides, if the concrete of bridge expansion joint 3 both sides appears fracture, damage etc. also can produce the hidden danger to bridge expansion joint 3, if only adopt the camera of a focal length to detect bridge expansion joint 3, can because the influence of focal length (because the distance that detects camera 2 to bridge expansion joint 3 is less than the distance that detects camera 2 to concrete), so need set up the detection camera 2 of two different focal lengths.

The expansion joint width of the bridge is different, so that the height of the detection camera 2 with the same focal length is different from the height of the ground, and an angle adjusting assembly is needed to be arranged for adjusting the height between the detection camera 2 and the ground, and the angle adjusting assembly comprises an angle adjusting motor 4 arranged on a vehicle body, a gear adjusting mechanism connected with the angle adjusting motor 4 and a rotating frame 5 rotatably connected with the vehicle body as shown in figures 2 and 3 of the specification;

the gear adjusting mechanism comprises a transmission shaft 6 connected with an angle adjusting motor 4, a driving wheel 7 arranged on the transmission shaft 6, a driven wheel 8 matched with the driving wheel 7, wherein the angle adjusting motor 4 is a low-speed motor, the low-speed motor has the characteristic of high control precision torque, the angle adjusting motor 4 and the transmission shaft 6 synchronously rotate so as to drive the driving wheel 7 and the driven wheel 8 to synchronously rotate, the driving wheel 7 and the driven wheel 8 can be gears or synchronous wheels, no matter which rotating frame 5 is required to be corresponding to the driving wheel 7 and the driven wheel 8, the driving wheel 7 and the driven wheel 8 are matched with the rotating frame 5 on a vehicle body, and because the rotating frame 5 is rotationally connected and arranged on the vehicle body, when the driving wheel 7 and the driven wheel 8 synchronously rotate, the two rotating frames 5 synchronously rotate so as to drive the detection camera 2 on the rotating frame 5 to generate angle change, and in order to improve the stability when the rotating frame 5, a weight hole 9 can be additionally arranged in the weight hole 9.

According to the above description, the two cameras of the device are used for detecting the damage condition of the bridge expansion joint 3 and the concrete around the bridge expansion joint 3, and because the driving wheel 7 and the driven wheel 8 are used for synchronously driving the detection camera 2 to adjust the possible focal length or the condition that the angle between the detection camera 2 and the bottom surface is not suitable, the driving wheel 7 is in proportion to the diameter of the driven wheel 8, and when the angle adjusting motor 4 drives the driving wheel 7 and the driven wheel 8 to rotate, the rotating frames 5 corresponding to the driving wheel 7 and the driven wheel 8 rotate at different heights, preferably corresponding to the focal length of the detection camera 2.

The detection camera 2 detects camera 2 data information transmission to control element 1, and control element 1 controls the thorn locating part to mark bridge expansion joint 3 according to the data information that detects camera 2 transmission, to current bridge expansion joint 3 detection device, detects many coordinate point record or manual mark and records all after the expansion joint goes wrong, takes trouble and is laborious, and is not directly obvious enough, so set up thorn locating component. As shown in fig. 2 and 4 of the drawings, the puncture positioning assembly comprises a pressure tank 10 and a spray gun 11 connected with the pressure tank 10;

be equipped with the pipeline between overhead tank 10 and spray gun 11, overhead tank 10 is inside to be contained a plurality of colours paint, every colour corresponds the position that a bridge expansion joint 3 goes wrong or goes wrong, the piping connection is equipped with the solenoid valve, through the intercommunication of solenoid valve control overhead tank 10 and spray gun 11, spray gun 11 is located the different positions of automobile body bottom, can be at a spray gun 11 of setting up at chassis 12 central point to and central point both sides respectively set up a spray gun 11, just so can spray the position that goes wrong, the easy spot of finding the problem of staff when being convenient for follow-up maintenance, thereby improve detection efficiency.

For the use of the device, because the device adopts the universal driving wheel of the Mecanum, as shown in figure 5 of the specification, the advancing direction of the device is parallel to the bridge expansion joint 3 when the detection work is carried out, and the camera can directly detect the damage condition of the bridge expansion joint 3 and the concrete of the bridge expansion joint 3. The specific use process is as follows: firstly, the height between the cameras and the ground is adjusted through the angle driving assembly 14, so that the focal length of each detection camera 2 corresponds to the detected position of the detection camera, the device is shifted to the bridge expansion joint 3 to enable the detection cameras 2 to correspond to the bridge expansion joint 3, then the device moves along the direction of the bridge expansion joint 3, data information is transmitted to the control system according to the position of the detection cameras 2, after the control system analyzes the data information, if a fault control electromagnetic valve is opened at a certain position, paint in the pressure tank 10 and the chassis 12 correspond to the spray gun 11 to be sprayed.

To sum up, this device can be used for the detection to bridge expansion joint 3, and device detection efficiency is high, and stability is good, not only can detect bridge expansion joint 3's detection can also detect the concrete damage condition of bridge expansion joint 3 both sides, can also mark the place that appears the problem after the detection, and when the follow-up maintenance of staff of being convenient for, timely discovery problem and solution problem to the efficiency of whole process has been improved.

Claims

1. Bridge expansion joint disease intelligence inspection vehicle, its characterized in that: comprises a vehicle body, an angle adjusting component arranged on the vehicle body, a visual detection component arranged on the angle adjusting component, a puncture point positioning piece arranged at the bottom of the vehicle body and a control element (1) arranged on the vehicle body;

the angle adjusting component is used for adjusting an included angle between the visual detection component and the ground, the visual detection component comprises detection cameras (2) with different focal lengths, data information of the detection cameras (2) is transmitted to the control element (1), and the control element (1) controls the stab point positioning piece to mark the bridge expansion joint (3) according to the data information transmitted by the detection cameras (2).

2. The intelligent inspection vehicle for bridge expansion joint diseases according to claim 1, wherein: the angle adjusting assembly comprises an angle adjusting motor (4) arranged on the vehicle body, a gear adjusting mechanism connected with the angle adjusting motor (4) and a rotating frame (5) rotatably connected with the vehicle body;

the gear adjusting mechanism comprises a transmission shaft (6) connected with an angle adjusting motor (4), a driving wheel (7) arranged on the transmission shaft (6) and a driven wheel (8) matched with the driving wheel (7), wherein the driving wheel (7) and the driven wheel (8) are matched with a rotating frame (5) on a vehicle body, a detection camera (2) is arranged on the rotating frame (5), and a weight balancing hole (9) is formed in the rotating frame (5).

3. The intelligent inspection vehicle for bridge expansion joint diseases according to claim 2, wherein: the diameter of the driving wheel (7) is proportional to that of the driven wheel (8).

4. The intelligent inspection vehicle for bridge expansion joint diseases according to claim 2 or 3, wherein: the puncture point positioning piece comprises a pressure tank (10) and a spray gun (11) connected with the pressure tank (10);

the spray gun (11) is positioned at different positions of the bottom of the vehicle body, a pipeline is arranged between the pressure tank (10) and the spray gun (11), and the pipeline is connected with an electromagnetic valve.

5. The intelligent inspection vehicle for bridge expansion joint diseases according to claim 4, wherein: the vehicle body comprises a chassis (12), a plurality of wheels (13) hinged with the chassis (12), a driving assembly (14) connected with the wheels (13), and a shock absorbing suspension (15) connected with each wheel (13).