Bridge bottom surface crack detection device

Abstract

The utility model discloses a bridge bottom crack detection device which comprises a control cabinet and a movable sleeve installed on the lower side of the control cabinet, an infrared acquisition system is fixedly connected to the position, close to the left side, of the outer wall of the upper end of the movable sleeve, and a camera is arranged on the right side of the infrared acquisition system to shoot and record the state of a crack on the bottom face of a bridge. Illuminating lamps are fixedly connected to the positions, close to the left side and the right side, of the outer wall of the upper end of the movable sleeve so as to emit light to illuminate the bottom face of the bridge, and by installing a clamping sleeve and a fixed wheel, the situation that an infrared collecting system and a camera collide with the bottom face of the bridge is avoided; an infrared acquisition system and a camera are effectively protected from being influenced by external collision or vibration, the position and direction can be stably kept in detection operation, stable operation and long-term use of equipment are ensured, the equipment can stably stop moving when approaching the bottom surface of a bridge, and error interference caused by manual control of position movement is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field related to the detection of cracks on the bottom surface of bridges, and particularly relates to a device for detecting cracks on the bottom surface of bridges. Background Technique

[0002] A device for detecting cracks on the bottom surface of a bridge is a device used to detect the cracks on the bottom of the bridge. It drives devices such as a camera and an infrared data acquisition system to move to the bottom surface of the bridge for detection through a moving frame, and synchronously transmits the detected data images for inspectors to view. However, when the camera and the infrared data acquisition system are close to the bottom surface of the bridge, if the error in distance control is large, it may cause the camera and the infrared data acquisition system to collide with the bottom surface of the bridge and be damaged and unable to continue to be used. Content of the Utility Model

[0003] The purpose of the utility model is to provide a device for detecting cracks on the bottom surface of a bridge, so as to solve the problem that the camera and the infrared data acquisition system collide with the bottom surface of the bridge and are damaged and unable to continue to be used as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A device for detecting cracks on the bottom surface of a bridge, including a control cabinet and a movable sleeve installed on the lower side of the control cabinet;

[0005] The outer wall of the upper end of the movable sleeve is fixedly connected with an infrared acquisition system near the left side;

[0006] A camera is arranged on the right side of the infrared acquisition system to photograph and record the state of the cracks on the bottom surface of the bridge;

[0007] The outer wall of the upper end of the movable sleeve is fixedly connected with lighting lamps near the left and right sides respectively to emit light to illuminate the bottom surface of the bridge;

[0008] Clamping sleeves are arranged on the upper side of the movable sleeve near the left and right sides respectively, and fixing wheels are arranged inside the two clamping sleeves to limit the shortest distance between the infrared acquisition system and the camera and the bottom surface of the bridge.

[0009] Preferably, fixing frames are fixedly connected to the outer wall of the upper end of the movable sleeve near the left and right sides respectively, and fixing plates are arranged inside the two fixing frames to limit the positions of the clamping sleeves.

[0010] Preferably, limiting shafts are arranged inside the two clamping sleeves to limit the positions of the fixing wheels, and threaded holes penetrating through the left and right are arranged inside the outer walls of the right ends of the two fixing frames and the fixing plates.

[0011] Preferably, fixing screws penetrating leftward are arranged on the right sides of the two fixing frames to limit the positions of the fixing plates inside the fixing frames, and nuts are threadedly connected to the other ends of the two fixing screws.

[0012] Preferably, the rear outer wall of the control cabinet is fixedly connected to the fuselage, and the upper outer wall of the fuselage is fixedly connected to a fixing seat.

[0013] Preferably, a cross bar is arranged on the right side of the fixing seat, and the rightmost end of the lower outer wall of the cross bar is fixedly connected to a driving sleeve.

[0014] Preferably, a sliding rod is drivingly connected inside the driving sleeve, and a through hole penetrating left and right is formed inside the right end outer wall of the movable sleeve.

[0015] Preferably, a driving rod penetrating leftward through the inside of the movable sleeve is arranged on the left side of the sliding rod to drive the movable sleeve to move horizontally on the driving rod, and a limiting plate is fixedly connected to the left end outer wall of the driving rod.

[0016] Preferably, a positioning shaft a is arranged between the fixing seat and the cross bar for the cross bar to rotate clockwise and counterclockwise with the positioning shaft a as the rotation center, and a positioning shaft b is arranged between the sliding rod and the driving rod for the driving rod to rotate clockwise and counterclockwise with the positioning shaft b as the rotation center.

[0017] Compared with the prior art, the present utility model provides a bridge bottom crack detection device, which has the following beneficial effects:

[0018] By installing the clamping sleeve and the fixing wheel, when the positions of the infrared acquisition system and the camera are close to the bottom surface of the bridge, the position of the fixing wheel inside the clamping sleeve can be adjusted to the upper side of the infrared acquisition system and the camera. When its position is close to the bottom surface of the bridge and has not stopped moving, the bottom surface of the bridge can be abutted by the fixing wheel to limit the continuous movement of the infrared acquisition system and the camera, avoiding the situation that the infrared acquisition system and the camera collide with the bottom surface of the bridge, effectively protecting the infrared acquisition system and the camera from external collision or vibration, being able to stably maintain the position and direction during the detection operation, ensuring the stable operation and long-term use of the device, and being able to stably stop moving when approaching the bottom surface of the bridge, avoiding the error interference during manual control of the position movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of a bridge bottom crack detection device of the present utility model.

[0020] Figure 2 It is a schematic structural diagram of the movable sleeve area of the present utility model.

[0021] Figure 3 It is a partial front view structural diagram of the movable sleeve area of the present utility model.

[0022] Figure 4 It is a partial structural diagram of the fixing frame area of the present utility model.

[0023] In the figure: 1, control cabinet; 2, fuselage; 3, fixed seat; 4, positioning shaft a; 5, cross bar; 6, drive sleeve; 7, slide bar; 8, positioning shaft b; 9, drive rod; 10, movable sleeve; 11, limit plate; 12, infrared acquisition system; 13, camera; 14, lighting lamp; 15, through hole; 16, fixing bracket; 17, fixing plate; 18, clamping sleeve; 19, fixed wheel; 20, limit shaft; 21, nut; 22, threaded hole; 23, fixing screw. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] The present invention provides a Figures 1-4 bridge bottom crack detection device as shown, including a control cabinet 1 and a movable sleeve 10 installed on the lower side of the control cabinet 1;

[0026] The outer wall of the upper end of the movable sleeve 10 is fixedly connected with an infrared acquisition system 12 near the left side;

[0027] A camera 13 is arranged on the right side of the infrared acquisition system 12 to photograph and record the state of the cracks on the bottom surface of the bridge;

[0028] The outer wall of the upper end of the movable sleeve 10 is fixedly connected with lighting lamps 14 near the left and right sides respectively to emit light to illuminate the bottom surface of the bridge. The control cabinet 1 is fixed on a vehicle and travels on the corresponding bridge. By operating the control cabinet 1, the movable sleeve 10 is moved to the lower side of the bridge bottom surface. Then, the infrared acquisition system 12 and the camera 13 are turned on. The infrared acquisition system 12 emits infrared laser to irradiate the cracks on the bottom surface of the bridge and reflects it to detect the crack depth. At the same time, the camera 13 can take real-time pictures of the bottom surface of the bridge and the crack pictures and transmit the pictures to the control cabinet 1. According to the data returned by the infrared acquisition system 12, the detection personnel can manually judge the risk range of the cracks at the bottom of the bridge;

[0029] On the upper side of the movable sleeve 10 and near the left and right sides respectively, jacket sleeves 18 are provided. Fixed wheels 19 are arranged inside both jacket sleeves 18 to limit the shortest distance between the infrared acquisition system 12 and the camera 13 from the bottom surface of the bridge. When the position of the movable sleeve 10 is close to the bottom surface of the bridge, the fixed wheels 19 located on the upper side of the infrared acquisition system 12 and the camera 13 can be used to abut against the bottom surface of the bridge in advance, avoiding the situation that the infrared acquisition system 12 and the camera 13 continue to move and hit the bottom surface of the bridge.

[0030] As Figure 3 and Figure 4 As shown, on the outer wall of the upper end of the movable sleeve 10 and near the left and right sides respectively, fixing brackets 16 are fixedly connected. Fixing plates 17 are arranged inside both fixing brackets 16 to limit the position of the jacket sleeves 18.

[0031] The position inside the jacket sleeve 18 is restricted by the fixing plate 17, and at the same time, the movement range of the fixing plate 17 is restricted by the fixing bracket 16.

[0032] As Figure 3 and Figure 4 As shown, limiting shafts 20 are arranged inside both jacket sleeves 18 to limit the position of the fixed wheels 19. Threaded holes 22 that penetrate left and right are arranged inside the outer walls at the right ends of both fixing brackets 16 and fixing plates 17. On the right side of both fixing brackets 16, fixing screws 23 that penetrate leftward are provided to limit the position of the fixing plate 17 inside the fixing bracket 16. Nuts 21 are threadedly connected to the other ends of both fixing screws 23.

[0033] When adjusting the position of the fixed wheel 19, the nuts 21 can be sequentially unscrewed counterclockwise and then the fixing screws 23 can be unscrewed. At this time, the position of the fixing plate 17 inside the fixing bracket 16 can be controlled. After adjusting the position of the fixed wheel 19 to an appropriate height, the fixing screw 23 is penetrated leftward through the fixing bracket 16 and the fixing plate 17 to pre-position the position of the fixing plate 17, and then the nut 21 is screwed on one side of the fixing screw 23.

[0034] As Figure 1 As shown, a fuselage 2 is fixedly connected to the outer wall at the rear end of the control cabinet 1, and a fixing seat 3 is fixedly connected to the outer wall at the upper end of the fuselage 2.

[0035] The position of the fixing seat 3 is restricted by the fuselage 2, and the fixing seat 3 is the base for driving the movable sleeve 10 to move as a whole.

[0036] As Figure 1 As shown, a cross bar 5 is arranged on the right side of the fixing seat 3. The rightmost side of the lower outer wall of the cross bar 5 is fixedly connected with a driving sleeve 6. A sliding rod 7 is drivingly connected inside the driving sleeve 6. A through opening 15 that penetrates left and right is formed inside the outer wall at the right end of the movable sleeve 10.

[0037] Through the driving sleeve 6 connected to the cross bar 5, the sliding rod 7 inside the driving sleeve 6 can move up and down inside the driving sleeve 6, thereby driving the movable sleeve 10 to move up and down.

[0038] As Figure 1 shown, a driving rod 9 penetrating leftward inside the movable sleeve 10 is arranged on the left side of the sliding rod 7 to drive the movable sleeve 10 to move horizontally on the driving rod 9. A limiting plate 11 is fixedly connected to the outer wall of the left end of the driving rod 9. A positioning shaft a4 is arranged between the fixed seat 3 and the cross bar 5 for the cross bar 5 to rotate clockwise and counterclockwise with the positioning shaft a4 as the rotation center. A positioning shaft b8 is arranged between the sliding rod 7 and the driving rod 9 for the driving rod 9 to rotate clockwise and counterclockwise with the positioning shaft b8 as the rotation center.

[0039] The movable sleeve 10 can move horizontally under the drive of the driving rod 9. At the same time, according to the inclination angle of the bridge bottom surface, it can drive the movable sleeve 10 to tilt at an angle under the restriction of the positioning shaft b8 to adapt to the bridge bottom surface with different inclination angles. After the detection of the bridge bottom surface cracks is completed, under the restriction of the positioning shaft a4, the position of the movable sleeve 10 can be turned upward onto the vehicle for recovery.

[0040] The implementation principle of this embodiment is as follows: Fix the control cabinet 1 on the vehicle and drive on the corresponding bridge. By operating the control cabinet 1, the movable sleeve 10 is moved to the lower side of the bridge bottom surface. Then, turn on the infrared acquisition system 12 and the camera 13. The infrared acquisition system 12 will emit infrared laser to irradiate the crack on the bridge bottom surface and reflect it to detect the crack depth. At the same time, the camera 13 can take real-time pictures of the bridge bottom surface and the crack pictures and transmit the pictures to the control cabinet 1. According to the data returned by the infrared acquisition system 12, the detection personnel can manually judge the risk range of the bridge bottom cracks. When the position of the movable sleeve 10 is close to the bridge bottom surface, the fixed wheel 19 located above the infrared acquisition system 12 and the camera 13 can be used to pre-contact the bridge bottom surface in advance to avoid the situation that the infrared acquisition system 12 and the camera 13 continue to move and hit the bridge bottom surface.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bridge bottom surface crack detection device, comprising a control cabinet (1) and a movable sleeve (10) installed on the lower side of the control cabinet (1); An infrared collection system (12) is fixedly connected to the outer wall of the upper end of the movable sleeve (10) near the left side; A camera (13) is arranged on the right side of the infrared acquisition system (12) to photograph and record the state of the cracks on the bottom surface of the bridge; The outer wall of the upper end of the movable sleeve (10) and close to the left and right sides are fixedly connected with lighting lamps (14) to emit light to illuminate the bottom surface of the bridge; Features: A clamping sleeve (18) is provided on the upper side of the movable sleeve (10) and close to the left and right sides respectively, and a fixing wheel (19) is provided inside the two clamping sleeves (18) to limit the shortest distance between the infrared acquisition system (12) and the camera (13) and the bottom surface of the bridge.

2. A bridge bottom surface crack detection device according to claim 1, characterized in that: The upper outer wall of the movable sleeve (10) is fixedly connected to a fixing frame (16) near the left and right sides respectively, and a fixing plate (17) is arranged inside the two fixing frames (16) to limit the position of the clamping sleeve (18).

3. A bridge bottom surface crack detection device according to claim 2, characterized in that: The two jackets (18) are provided with a limit shaft (20) inside to limit the position of the fixed wheel (19), and the right end outer walls of the two fixed frames (16) and the fixed plate (17) are provided with a threaded hole (22) that penetrates left and right.

4. A bridge bottom surface crack detection device according to claim 2, characterized in that: The right sides of the two fixing frames (16) are provided with fixing screws (23) penetrating to the left to limit the position of the fixing plate (17) inside the fixing frames (16), and the other ends of the two fixing screws (23) are threadedly connected with nuts (21).

5. The bridge bottom surface crack detection device according to claim 1, characterized in that: The rear end outer wall of the control cabinet (1) is fixedly connected to the fuselage (2), and the upper end outer wall of the fuselage (2) is fixedly connected to a fixing seat (3).

6. A bridge bottom surface crack detection device according to claim 5, characterized in that: A cross bar (5) is provided on the right side of the fixing seat (3), and a driving sleeve (6) is fixedly connected to the rightmost side of the outer wall of the lower end of the cross bar (5).

7. A bridge bottom surface crack detection device according to claim 6, characterized in that: The driving sleeve (6) is internally connected to a sliding rod (7) for transmission, and a through opening (15) is provided inside the outer wall of the right end of the movable sleeve (10) and passes through the left and right sides.

8. A bridge bottom surface crack detection device according to claim 7, characterized in that: A driving rod (9) is provided on the left side of the slide rod (7) and penetrates the inside of the movable sleeve (10) to the left to drive the movable sleeve (10) to move laterally on the driving rod (9). The left end outer wall of the driving rod (9) is fixedly connected to a limiting plate (11).

9. A bridge bottom surface crack detection device according to claim 8, characterized in that: A positioning shaft a (4) is provided between the fixing seat (3) and the cross bar (5) so that the cross bar (5) can rotate clockwise or counterclockwise with the positioning shaft a (4) as the rotation center. A positioning shaft b (8) is provided between the sliding bar (7) and the driving rod (9) so that the driving rod (9) can rotate clockwise or counterclockwise with the positioning shaft b (8) as the rotation center.

Images