Flaw detection device for bridge detection

By designing a bridge detection device including the main body of the flaw detection device, protective components, operating components and support components, the problem of difficulty in comprehensively detecting bridges in the prior art is solved, and comprehensive inspection of the bridge surface, sides and bottom of the bridge is achieved, and safety and working efficiency are improved.

CN222618555UActive Publication Date: 2025-03-14WUHAN HUAZHONG UNIV OF SCI & TECH TESTING TECH CO LTD
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Patent Information

Application Number
CN202323565606.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-03-14
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

Existing bridge flaw detection methods are difficult to comprehensively detect bridges, especially internal cracks in non-key areas may not be discovered, affecting the safety of bridge use.

Method used

A flaw detection device for bridge detection is designed, including a flaw detection device body, a protective component, an operating component and a support component. The device moves by driving the motor and movable wheels, uses a horizontal ultrasonic flaw detector for detection, and uses components such as rotating platforms, lifting rods and sliding frames to conduct comprehensive inspections of the surface, sides and bottom of the bridge.

Benefits of technology

The device can effectively conduct comprehensive inspection of bridges, greatly improving the safety and work efficiency of inspection, and ensuring the safety of bridge use.

✦ Generated by Eureka AI based on patent content.

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Abstract

A flaw detection device for bridge detection comprises a flaw detection device body, a protection part, an operation part and a supporting part, the protection part is fixedly arranged at the lower end of the flaw detection device body, the operation part is fixedly arranged at the rear end of the upper side of the flaw detection device body, and the supporting part is fixedly arranged on the rear side of the upper end of the flaw detection device body. The protection component comprises a protection frame, driving motors, movable wheels, a workbench and an induction chip, the protection frame is fixedly arranged on the outer side of the flaw detection device body, the multiple driving motors are fixedly arranged on the inner side of the protection frame, and the multiple movable wheels are rotationally arranged on the outer side of the protection frame through the multiple driving motors; the sensing chip is fixedly arranged in the flaw detection device main body, and the workbench is fixedly arranged at the upper end of the protective frame.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge detection devices, in particular to a flaw detection device for bridge detection. Background Art

[0002] As a transportation building that can connect two areas and facilitate the traffic between the two areas, the bridge needs to be spliced ​​between the beam sections during the construction process, thus forming welds. There are usually cracks, pores, weld nodules and deformations at the welds. During long-term use, the bridge will be damaged due to natural reasons or unavoidable human reasons, so the bridge needs to be maintained and repaired. The existing flaw detection requires the operator to hold and move the instrument continuously to detect only the key connection parts, and then trace the source of the internal cracks. However, this flaw detection method may cause internal cracks in non-key parts to go undetected, seriously affecting the safe use of the bridge. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a flaw detection device for bridge inspection, including a flaw detection device body, a protective component, an operating component, and a supporting component;

[0004] The protective component is fixedly arranged at the lower end of the flaw detection device body, the operating component is fixedly arranged at the rear end of the upper side of the flaw detection device body, and the supporting component is fixedly arranged at the rear side of the upper end of the flaw detection device body;

[0005] The protection components include a protection frame, a driving motor, a movable wheel, a workbench, and a sensing chip;

[0006] The protective frame is fixedly arranged on the outside of the flaw detection device body, the plurality of driving motors are fixedly arranged on the inside of the protective frame, the plurality of movable wheels are rotated by the plurality of driving motors and arranged on the outside of the protective frame, the sensing chip is fixedly arranged inside the flaw detection device body, and the workbench is fixedly arranged on the upper end of the protective frame.

[0007] Furthermore, the support component includes a mounting box, a mobile power supply, a control chip, and a horizontal ultrasonic flaw detector;

[0008] The installation box is fixedly arranged at the rear side of the upper end of the workbench, the mobile power supply and the control chip are fixedly arranged inside the installation box, and the two groups of horizontal ultrasonic flaw detectors are fixedly arranged in mirror images at the side of the installation box.

[0009] Furthermore, the operating components include a lifting component, a horizontal component, a sliding component, a rotating platform, a control motor, and a rotating rod;

[0010] The rotating platform is movably arranged at the upper front end of the workbench, the two groups of control motors are movably arranged on both sides of the rotating platform through two groups of rotating rods, the lifting component is movably arranged at the upper ends of the two groups of rotating rods, and the horizontal component and the sliding component are fixedly arranged on the upper end of the rotating platform through the lifting component.

[0011] Furthermore, the lifting component includes a lifting rod, a servo motor, a fixing frame, a screw rod, a telescopic rod, and a connecting frame;

[0012] The two groups of lifting rods are movably arranged inside the two groups of rotating rods, the servo motor 1 is fixedly arranged inside the two groups of rotating rods through the fixing frame, the screw rod 1 is fixedly arranged on the output shaft of the servo motor 1, the connecting frame is fixedly arranged on the upper ends of the two groups of lifting rods, and the telescopic rod is fixedly arranged on the lower end of the connecting frame;

[0013] The screw rod 1 matches the telescopic rod.

[0014] Further, the horizontal component includes a connecting crossbar, a second servo motor, a first worm, a second screw, a limit rod, a sliding frame, an ultrasonic flaw detector, and a hydraulic rod;

[0015] The connecting cross bar is fixedly arranged at the front end of the connecting frame, the servo motor 2 is fixedly arranged at one end of the connecting cross bar, the worm gear 1 is fixedly arranged on the output shaft of the servo motor 2, the screw gear 2 is rotatably arranged inside the connecting cross bar and matches the worm gear 1, the sliding frame is slidably arranged at the lower end of the connecting cross bar through the screw gear 2 and the limit rod, the ultrasonic flaw detector 1 is fixedly arranged at the lower end of the sliding frame, one end of the hydraulic rod is fixedly arranged at the upper end of the connecting cross bar, and the other end is rotatably connected to the sliding component.

[0016] Further, the sliding component includes a moving frame, a servo motor three, a screw three, a worm two, a bearing frame, and an ultrasonic flaw detector two;

[0017] The movable frame is rotatably arranged inside the front end of the connecting cross bar through the hydraulic rod, the servo motor three is fixedly arranged on one side of the lower end of the movable frame, the worm gear two is fixedly arranged on the output shaft of the servo motor three, the screw rod three is rotatably arranged inside the movable frame, the screw rod three is matched with the worm gear two, the supporting frame is matched with the screw rod three, and the ultrasonic flaw detector two is fixedly arranged on the supporting frame.

[0018] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0019] The flaw detection device for bridge inspection has a simple structure and is easy to use. When a comprehensive inspection of the bridge is required, the device can be controlled to move through the control chip, and the mobile power supply can continuously power the device. The surface of the bridge is inspected by the two groups of horizontal ultrasonic flaw detectors inside the installation box. At the same time, the horizontal component can be driven to rotate by the rotating platform according to the height and shape of different bridges. The two groups of control motors are used to make the two groups of rotating rods and the moving frame form an L shape, so as to comprehensively inspect the surface, side and bottom of the bridge. The staff can drive the two groups of lifting rods and the sliding frame to lift and move horizontally according to different heights through the servo motor 1 and the servo motor 2, so as to effectively and comprehensively inspect the bridge and greatly improve the safety and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 An axonometric view of the utility model is shown;

[0022] Figure 2 An axial sectional view of the utility model is shown;

[0023] Figure 3 Shown is a right side view of the present invention.

[0024] In the figure:

[0025] 1. Main body of the flaw detection device; 2. Protective components; 21. Protective frame; 22. Driving motor;

[0026] 23. Movable wheels; 24. Workbench; 25. Induction chip; 3. Operating components; 31. Rotating platform;

[0027] 32. Control motor; 33. Rotating rod; 4. Support component; 41. Installation box; 42. Mobile power supply;

[0028] 43. Control chip; 44. Horizontal ultrasonic flaw detector; 5. Lifting component; 51. Lifting rod;

[0029] 52. servo motor 1; 53. fixed frame; 54. screw 1; 55. telescopic rod; 56. connecting frame;

[0030] 6. Horizontal component; 61. Connecting crossbar; 62. Servo motor 2; 63. Worm 1; 64. Screw 2;

[0031] 65. Limit rod; 66. Sliding frame; 67. Ultrasonic flaw detector 1; 68. Hydraulic rod;

[0032] 7. Sliding component; 71. Moving frame; 72. Servo motor three; 73. Screw three; 74. Worm two;

[0033] 75. Carrying frame; 76. Ultrasonic flaw detector 2. DETAILED DESCRIPTION

[0034] Now the utility model is further described in detail with reference to the accompanying drawings. Figure 1 , Figure 1 Shows an axonometric view of the utility model; see Figure 2 , Figure 2 Shows an axial side sectional view of the utility model; see Figure 3 , Figure 3 Shows a right view of the utility model; Figure 1-3 As shown, a flaw detection device for bridge inspection includes a flaw detection device body 1, a protective component 2, an operating component 3, and a supporting component 4;

[0035] The protective component 2 is fixedly arranged at the lower end of the flaw detection device body 1, the operating component 3 is fixedly arranged at the upper rear end of the flaw detection device body 1, and the supporting component 4 is fixedly arranged at the rear side of the upper end of the flaw detection device body 1;

[0036] The protection component 2 includes a protection frame 21, a driving motor 22, a movable wheel 23, a workbench 24, and a sensing chip 25;

[0037] The protective frame 21 is fixedly arranged on the outside of the flaw detection device body 1, the plurality of driving motors 22 are fixedly arranged on the inside of the protective frame 21, the plurality of movable wheels 23 are rotated on the outside of the protective frame 21 by the plurality of driving motors 22, the sensing chip 25 is fixedly arranged inside the flaw detection device body 1, the workbench 24 is fixedly arranged on the upper end of the protective frame 21, the protective frame 21 provides a space for fixing and installing the workbench 24, the device can move the plurality of movable wheels 23 by the plurality of driving motors 22, and the staff can identify the bridge by the sensing chip 25.

[0038] Optionally, the support component 4 includes an installation box 41, a mobile power supply 42, a control chip 43, and a horizontal ultrasonic flaw detector 44;

[0039] The installation box 41 is fixedly arranged on the rear side of the upper end of the workbench 24, the mobile power supply 42 and the control chip 43 are fixedly arranged inside the installation box 41, and the two groups of horizontal ultrasonic flaw detectors 44 are fixedly arranged on the side of the installation box 41 in a mirror-image manner. The installation box 41 provides space for installation and protection of the mobile power supply 42 and the horizontal ultrasonic flaw detector 44. Driven by the mobile power supply 42, the two groups of horizontal ultrasonic flaw detectors 44 can detect the side of the bridge.

[0040] Optionally, the operating component 3 includes a lifting component 5, a horizontal component 6, a sliding component 7, a rotating platform 31, a control motor 32, and a rotating rod 33;

[0041] The rotating platform 31 is movably arranged at the front end of the upper side of the workbench 24, the two groups of control motors 32 are mirror-movably arranged on both sides of the rotating platform 31 through the two groups of rotating rods 33, the lifting component 5 is movably arranged at the upper ends of the two groups of rotating rods 33, the horizontal component 6 and the sliding component 7 are fixedly arranged at the upper end of the rotating platform 31 through the lifting component 5, the rotating platform 31 can drive the two groups of rotating rods 33 to rotate through the two groups of control motors 32, and the position can be adjusted according to different bridge shapes.

[0042] Optionally, the lifting component 5 includes a lifting rod 51, a servo motor 52, a fixing frame 53, a screw rod 54, a telescopic rod 55, and a connecting frame 56;

[0043] The two groups of lifting rods 51 are movably arranged inside the two groups of rotating rods 33, the servo motor 1 52 is fixedly arranged inside the two groups of rotating rods 33 through the fixing frame 53, the screw rod 1 54 is fixedly arranged on the output shaft of the servo motor 1 52, the connecting frame 56 is fixedly arranged on the upper ends of the two groups of lifting rods 51, and the telescopic rod 55 is fixedly arranged on the lower end of the connecting frame 56;

[0044] The screw rod 1 54 is matched with the telescopic rod 55 , and the staff can drive the screw rod 1 54 and the telescopic rod 55 to expand and retract through the servo motor 1 52 , and can lift and lower the two sets of telescopic rods 55 .

[0045] Optionally, the horizontal component 6 includes a connecting crossbar 61, a servo motor 2 62, a worm 1 63, a screw 2 64, a limit rod 65, a sliding frame 66, an ultrasonic flaw detector 1 67, and a hydraulic rod 68;

[0046] The connecting cross bar 61 is fixedly arranged at the front end of the connecting frame 56, the servo motor 2 62 is fixedly arranged at one end of the connecting cross bar 61, the worm 1 63 is fixedly arranged on the output shaft of the servo motor 2 62, the screw 2 64 is rotatably arranged inside the connecting cross bar 61 and matches the worm 1 63, the sliding frame 66 is slidably arranged at the lower end of the connecting cross bar 61 through the screw 2 64 and the limit rod 65, the ultrasonic flaw detector 1 67 is fixedly arranged at the lower end of the sliding frame 66, one end of the hydraulic rod 68 is fixedly arranged at the upper end of the connecting cross bar 61, and the other end is rotatably connected to the sliding component 7. The staff can drive the worm 1 63 to rotate through the screw 2 64 by the servo motor 2 62 for different sides of the bridge, and drive the sliding frame 66 and the ultrasonic flaw detector 1 67 to move horizontally to adjust different positions for detection, and the limit rod 65 can limit the sliding position of the sliding frame 66 so that it can only move through the horizontal position.

[0047] Optionally, the sliding component 7 includes a moving frame 71, a servo motor 3 72, a screw 3 73, a worm 2 74, a bearing frame 75, and an ultrasonic flaw detector 2 76;

[0048] The movable frame 71 is rotatably arranged inside the front end of the connecting cross bar 61 through the hydraulic rod 68, the servo motor three 72 is fixedly arranged on one side of the lower end of the movable frame 71, the worm two 74 is fixedly arranged on the output shaft of the servo motor three 72, the screw three 73 is rotatably arranged inside the movable frame 71, the screw three 73 is matched with the worm two 74, the bearing frame 75 is matched with the screw three 73, the ultrasonic flaw detector two 76 is fixedly arranged on the bearing frame 75, the ultrasonic flaw detector two 76 can drive the worm two 74 through the servo motor three 72, and drive the screw three 73 and the bearing frame 75 to perform lifting activities, thereby detecting the bottom of the bridge and comprehensively measuring the safety of the bridge.

[0049] Working principle: The flaw detection device for bridge inspection has a simple structure and is easy to use. When a comprehensive inspection of the bridge is required, the control chip 43 can be used to control the movement of the device, and the mobile power supply 42 can continuously power the device. The two groups of horizontal ultrasonic flaw detectors 44 inside the installation box 41 are used to inspect the surface of the bridge. At the same time, the rotating platform 31 can be used to drive the horizontal component 6 to rotate according to the height and shape of different bridges. Through the two groups of control motors 32, the two groups of rotating rods 33 and the moving frame 71 form an L shape, and a comprehensive inspection of the surface, side and bottom of the bridge is carried out. The staff can drive the two groups of lifting rods 51 and the sliding frame 66 to lift and move horizontally through the servo motor 1 52 and the servo motor 2 62 according to different heights, which can effectively and comprehensively inspect the bridge and greatly improve safety and work efficiency.

Claims

1. A flaw detection device for bridge inspection, characterized in that: The flaw detection device comprises a main body (1), a protective component (2), an operating component (3), and a supporting component (4); The protective component (2) is fixedly arranged at the lower end of the flaw detection device body (1), the operating component (3) is fixedly arranged at the upper rear end of the flaw detection device body (1), and the supporting component (4) is fixedly arranged at the upper rear side of the flaw detection device body (1); The protection component (2) comprises a protection frame (21), a driving motor (22), a movable wheel (23), a workbench (24), and a sensing chip (25); The protective frame (21) is fixedly arranged on the outside of the flaw detection device body (1), a plurality of driving motors (22) are fixedly arranged on the inside of the protective frame (21), a plurality of movable wheels (23) are rotatably arranged on the outside of the protective frame (21) by the plurality of driving motors (22), the sensing chip (25) is fixedly arranged inside the flaw detection device body (1), and the workbench (24) is fixedly arranged on the upper end of the protective frame (21).

2. A flaw detection device for bridge inspection as claimed in claim 1, characterized in that: The supporting component (4) comprises a mounting box (41), a mobile power source (42), a control chip (43), and a horizontal ultrasonic flaw detector (44); The installation box (41) is fixedly arranged on the rear side of the upper end of the workbench (24), the mobile power supply (42) and the control chip (43) are fixedly arranged inside the installation box (41), and the two sets of horizontal ultrasonic flaw detectors (44) are fixedly arranged in mirror images on the side of the installation box (41).

3. A flaw detection device for bridge inspection as claimed in claim 1, characterized in that: The operating component (3) comprises a lifting component (5), a horizontal component (6), a sliding component (7), a rotating platform (31), a control motor (32), and a rotating rod (33); The rotating platform (31) is movably arranged at the front end of the upper side of the workbench (24); the two groups of control motors (32) are movably arranged on both sides of the rotating platform (31) through two groups of rotating rods (33) in a mirror-like manner; the lifting component (5) is movably arranged at the upper ends of the two groups of rotating rods (33); and the horizontal component (6) and the sliding component (7) are fixedly arranged at the upper end of the rotating platform (31) through the lifting component (5).

4. A flaw detection device for bridge inspection as claimed in claim 3, characterized in that: The lifting component (5) comprises a lifting rod (51), a servo motor (52), a fixing frame (53), a screw rod (54), a telescopic rod (55), and a connecting frame (56); The two groups of lifting rods (51) are movably arranged inside the two groups of rotating rods (33); the servo motor 1 (52) is fixedly arranged inside the two groups of rotating rods (33) through the fixing frame (53); the screw rod 1 (54) is fixedly arranged on the output shaft of the servo motor 1 (52); the connecting frame (56) is fixedly arranged on the upper ends of the two groups of lifting rods (51); and the telescopic rod (55) is fixedly arranged on the lower end of the connecting frame (56); The screw rod 1 (54) matches the telescopic rod (55).

5. A flaw detection device for bridge inspection as claimed in claim 4, characterized in that: The horizontal component (6) comprises a connecting crossbar (61), a second servo motor (62), a first worm (63), a second screw (64), a limit rod (65), a sliding frame (66), an ultrasonic flaw detector (67), and a hydraulic rod (68); The connecting cross bar (61) is fixedly arranged at the front end of the connecting frame (56), the servo motor 2 (62) is fixedly arranged at one end of the connecting cross bar (61), the worm gear 1 (63) is fixedly arranged on the output shaft of the servo motor 2 (62), the screw rod 2 (64) is rotatably arranged inside the connecting cross bar (61) and matches the worm gear 1 (63), the sliding frame (66) is slidably arranged at the lower end of the connecting cross bar (61) through the screw rod 2 (64) and the limiting rod (65), the ultrasonic flaw detector 1 (67) is fixedly arranged at the lower end of the sliding frame (66), one end of the hydraulic rod (68) is fixedly arranged at the upper end of the connecting cross bar (61), and the other end is rotatably connected to the sliding component (7).

6. A flaw detection device for bridge inspection as claimed in claim 5, characterized in that: The sliding component (7) comprises a moving frame (71), a servo motor (72), a screw (73), a worm (74), a bearing frame (75), and an ultrasonic flaw detector (76). The movable frame (71) is rotatably arranged inside the front end of the connecting cross bar (61) through the hydraulic rod (68); the servo motor three (72) is fixedly arranged on one side of the lower end of the movable frame (71); the worm gear two (74) is fixedly arranged on the output shaft of the servo motor three (72); the screw rod three (73) is rotatably arranged inside the movable frame (71); the screw rod three (73) matches the worm gear two (74); the supporting frame (75) matches the screw rod three (73); and the ultrasonic flaw detector two (76) is fixedly arranged on the supporting frame (75).