Crack detection device for roads and bridges

Abstract

The utility model relates to the technical field of crack detection, in particular to a crack detection device for roads and bridges, which comprises a road and bridge crack detector, two connecting lines are fixedly connected to the top of the road and bridge crack detector, and crack detection sensing ends are fixedly connected to the ends of the connecting lines respectively. Clamping parts are arranged on the outer sides of the two crack detection sensing ends, a distance adjusting plate is fixedly connected to the bottom of the clamping part on one side, the top of the distance adjusting plate is in sliding connection with the other clamping part, and a plurality of suction cups are fixedly connected to the back face of the distance adjusting plate. Compared with the prior art, the distance adjusting device has the advantages that the clamping part is arranged on the distance adjusting plate, so that the crack detection sensing end can be assembled and clamped in the middle of the clamping part, the distance of the crack detection sensing end is adjusted according to the position of the clamping part, and the spring piece in the clamping part can inwards abut against the clamping part; therefore, the clamping part can stably clamp the crack detection sensing end for crack detection.

Description

Technical Field

[0001] The utility model relates to the technical field of crack detection, in particular to a crack detection device for road bridges. Background Art

[0002] The crack detection device for road bridges is an important tool to ensure the safety of road and bridge structures. By different technical means, it detects and evaluates information such as the position, size, and depth of cracks, so as to timely discover and handle potential safety hazards. Conducting crack detection on key parts such as the bridge deck, bridge pier, and bearing of the bridge can evaluate the structural health status of the bridge. For crack detection of road surfaces, it can understand the damage condition of the road and provide a basis for road maintenance and repair. When the existing road and bridge crack devices conduct crack detection, it is necessary to draw the positions of detection points on the wall according to the detection and adjust the distance between the detection points to assist in improving the detection accuracy. The method of marking the detection surface before detection to adjust the distance between the detection points has low efficiency. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a crack detection device for road bridges, effectively solving the deficiencies of the prior art.

[0004] The purpose of the utility model is achieved by the following technical solutions: A crack detection device for road bridges includes a road and bridge crack detector. Two connecting lines are fixedly connected to the top of the road and bridge crack detector. The ends of the connecting lines are respectively fixedly connected with crack detection sensing ends. Clamping parts are arranged on the outer sides of the two crack detection sensing ends. A distance adjusting plate is fixedly connected to the bottom of one clamping part. The top of the distance adjusting plate is slidably connected with the other clamping part. A plurality of suction cups are fixedly connected to the back of the distance adjusting plate.

[0005] Optionally, the inner diameter of the slot in the clamping part is adapted to the outer diameter of the crack detection sensing end. Slots are respectively opened on both sides inside the clamping part. Spring pieces are fixedly connected in the slots. The spring pieces expand inwards under the action of their own elastic force.

[0006] By adopting the above technical solution: By arranging a clamping part on the distance adjusting plate, the crack detection sensing end can be assembled and clamped in the middle of the clamping part. According to the position of the clamping part, the distance of the crack detection sensing end is adjusted. The spring pieces inside the clamping part can push the clamping part inwards tightly, so that the clamping part can stably clamp the crack detection sensing end for crack detection.

[0007] Optionally, a chute is provided on one side of the top of the distance adjusting plate. The distance adjusting plate is slidably connected to one side clamping portion through the chute. A screw rod is rotatably connected inside the chute. The screw rod is threadedly connected to the bottom slider of the clamping portion. An end of the distance adjusting plate is fixedly connected to a motor, and an output end of the motor is fixedly connected to an end of the screw rod.

[0008] By adopting the above technical solution: by providing a chute with a screw rod on one side of the distance adjusting plate, it can drive one of the clamping portions and the crack detection sensing end to slide in the chute, so as to adjust the distance between the two crack detection sensing ends, and realize the rapid and accurate adjustment of the measuring point distance.

[0009] Optionally, the crack detection sensing end is electrically connected to the road and bridge crack detector through a connecting wire. The two crack detection sensing ends are respectively an ultrasonic generating end and an ultrasonic receiving end. The motor is electrically connected to the road and bridge crack detector.

[0010] By adopting the above technical solution: by electrically connecting the motor to the road and bridge crack detector, before crack detection, the distance between the two sensing ends needs to be input into the road and bridge crack detector to ensure the accuracy of the measurement result. When the road and bridge crack detector receives the distance information of the sensing end, the motor and the screw rod are started, so that the movable clamping portion drives one of the crack detection sensing ends to move, and automatically adjusts the distance between the two crack detection sensing ends to the required range, so that the distance setting of the sensing end during crack detection is more efficient and convenient, eliminating the step of drawing auxiliary lines on the detection surface and accelerating the crack detection efficiency.

[0011] Optionally, a plurality of round grooves are provided on the back surface of the distance adjusting plate. The suction cups are arranged inside the round grooves. A plurality of spring air bags are fixedly connected to the front side surface of the distance adjusting plate. The positions of the spring air bags correspond to the positions of the suction cups one by one. The rear side opening of the suction cup is communicated with the inside of the spring air bag. A connecting plate is fixedly connected to the back of the spring air bag.

[0012] By adopting the above technical solution: by providing suction cups on the back surface of the distance adjusting plate, it can be adsorbed on the detection surface for crack detection, eliminating the need for manual holding of the detection end during the crack detection process. And before the distance adjusting plate is attached to the detection surface, press the connecting plate to discharge the air in the spring air bag, and then attach the distance adjusting plate and the suction cup to the detection surface. Then the air pressure in the suction cup and the spring air bag is less than the external atmospheric pressure, thereby improving the adsorption force of the suction cup and making the adsorption and fixation of the crack detection sensing end and the detection surface more stable.

[0013] The present utility model has the following advantages:

[0014] 1. The crack detection device for road bridges sets a clamping part on the distance adjustment plate, enabling the crack detection sensing end to be assembled and clamped in the middle of the clamping part. The distance of the crack detection sensing end is adjusted according to the position of the clamping part. The spring piece inside the clamping part can tightly push the clamping part inward, enabling the clamping part to stably clamp the crack detection sensing end for crack detection. By setting a chute with a screw on one side of the distance adjustment plate, it can drive one of the clamping parts and the crack detection sensing end to slide in the chute, thereby adjusting the distance between the two crack detection sensing ends and achieving rapid and precise adjustment of the measuring point distance.

[0015] 2. The crack detection device for road bridges electrically connects the motor to the road bridge crack detector. Before crack detection, the distance between the two sensing ends needs to be input into the road bridge crack detector to ensure the accuracy of the measurement results. When the road bridge crack detector receives the sensing end distance information, it starts the motor and the screw, enabling the moving clamping part to drive one of the crack detection sensing ends to move, automatically adjusting the distance between the two crack detection sensing ends to the required range. Thus, the distance setting of the sensing end during crack detection is more efficient and convenient, eliminating the step of drawing auxiliary lines on the detection surface and accelerating the crack detection efficiency.

[0016] 3. The crack detection device for road bridges sets a suction cup on the back of the distance adjustment plate, enabling it to adsorb on the detection surface for crack detection, eliminating the need for manual support of the detection end during the crack detection process. Before the distance adjustment plate fits with the detection surface, press the connection plate to discharge the air in the spring airbag, and then fit the distance adjustment plate and the suction cup with the detection surface. Then, the air pressure in the suction cup and the spring airbag is less than the external atmospheric pressure, thereby improving the adsorption force of the suction cup and making the adsorption and fixation of the crack detection sensing end and the detection surface more stable. Description of the Drawings

[0017] Figure 1 is the structural schematic diagram of the present utility model;

[0018] Figure 2 is the enlarged structural schematic diagram of part A in the present utility model; Figure 1 in the present utility model;

[0019] Figure 3 is the rear view structural schematic diagram of the present utility model;

[0020] Figure 4 is the side sectional structural schematic diagram of the present utility model;

[0021] Figure 5 is the present utility model Figure 4 the enlarged structural schematic diagram of part B in the present utility model;

[0022] Figure 6 is the front sectional structural schematic diagram of the present utility model;

[0023] Figure 7 It is an enlarged structural schematic diagram of the C position in the body 6 of the present utility model.

[0024] In the figure: 1 - Road and bridge crack detector, 2 - Connecting wire, 3 - Crack detection sensing end, 4 - Clamping part, 5 - Distance adjusting plate, 6 - Suction cup, 7 - Slide groove, 8 - Screw rod, 9 - Motor, 10 - Circular groove, 11 - Spring airbag, 12 - Connecting plate, 13 - Spring piece. Specific embodiments

[0025] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.

[0026] As Figures 1 to 7 shown, a crack detection device for road and bridge includes a road and bridge crack detector 1. Two connecting wires 2 are fixedly connected to the top of the road and bridge crack detector 1. The end parts of the connecting wires 2 are respectively fixedly connected with crack detection sensing ends 3. Clamping parts 4 are arranged on the outer sides of the two crack detection sensing ends 3. The bottom of one clamping part 4 is fixedly connected with a distance adjusting plate 5. The top of the distance adjusting plate 5 is slidably connected with the other clamping part 4. A plurality of suction cups 6 are fixedly connected to the back of the distance adjusting plate 5.

[0027] Embodiment 1: The inner diameter of the slot in the clamping part 4 is adapted to the outer diameter of the crack detection sensing end 3. Slots are opened on both sides inside the clamping part 4, and spring pieces 13 are fixedly connected inside the slots. The spring pieces 13 expand inwards under the action of their own elastic force. By arranging the clamping part 4 on the distance adjusting plate 5, the crack detection sensing end 3 can be assembled and clamped in the middle of the clamping part 4. The distance of the crack detection sensing end 3 is adjusted according to the position of the clamping part 4. The spring pieces 13 inside the clamping part 4 can push inwards to tightly clamp the clamping part 4, so that the clamping part 4 can stably clamp the crack detection sensing end 3 for crack detection.

[0028] Embodiment 2: A slide groove 7 is opened on one side of the top of the distance adjusting plate 5. The distance adjusting plate 5 is slidably connected with one clamping part 4 through the slide groove 7. A screw rod 8 is rotatably connected inside the slide groove 7. The screw rod 8 is threadedly connected with the bottom slider of the clamping part 4. The end of the distance adjusting plate 5 is fixedly connected with a motor 9. The output end of the motor 9 is fixedly connected with the end of the screw rod 8. By arranging a slide groove 7 with a screw rod 8 on one side of the distance adjusting plate 5, it can drive one clamping part 4 and the crack detection sensing end 3 to slide in the slide groove 7, so as to adjust the distance between the two crack detection sensing ends 3 and realize the rapid and accurate adjustment of the measuring point distance.

[0029] Embodiment 3: The crack detection sensing end 3 is electrically connected to the road and bridge crack detector 1 through the connecting wire 2. The two crack detection sensing ends 3 are respectively an ultrasonic generating end and an ultrasonic receiving end. The motor 9 is electrically connected to the road and bridge crack detector 1. By electrically connecting the motor 9 to the road and bridge crack detector 1, the distance between the two sensing ends needs to be input into the road and bridge crack detector 1 before crack detection to ensure the accuracy of the measurement results. When the road and bridge crack detector 1 receives the sensing end distance information, the motor 9 and the screw rod 8 are started, so that the movable clamping part 4 drives one of the crack detection sensing ends 3 to move, and the distance between the two crack detection sensing ends 3 is automatically adjusted to the required range, so that the distance setting of the sensing end 3 during crack detection is more efficient and convenient, omitting the step of drawing auxiliary lines on the detection surface and accelerating the crack detection efficiency.

[0030] Embodiment 4: A plurality of circular grooves 10 are formed on the back surface of the distance adjusting plate 5. The suction cups 6 are arranged inside the circular grooves 10. A plurality of spring air bags 11 are fixedly connected to the front side surface of the distance adjusting plate 5. The positions of the spring air bags 11 correspond to the positions of the suction cups 6 one by one. The rear side opening of the suction cup 6 is communicated with the inside of the spring air bag 11. A connecting plate 12 is fixedly connected to the back of the spring air bag 11. By arranging the suction cups 6 on the back surface of the distance adjusting plate 5, it can adsorb on the detection surface for crack detection, omitting the situation that the detection end needs to be held manually during the crack detection process. And before the distance adjusting plate 5 is attached to the detection surface, the connecting plate 12 is pressed to discharge the air in the spring air bag 11, and then the distance adjusting plate 5 and the suction cup 6 are attached to the detection surface. Then the air pressure in the suction cup 6 and the spring air bag 11 is less than the external atmospheric pressure, thereby improving the adsorption force of the suction cup 6 and making the adsorption and fixation of the crack detection sensing end to the detection surface more stable.

[0031] The working principle of the present utility model is as follows:

[0032] S1. The clamping part 4 is arranged on the distance adjusting plate 5, so that the crack detection sensing end 3 can be assembled and clamped in the middle of the clamping part 4. According to the position of the clamping part 4, the distance of the crack detection sensing end 3 is adjusted. The spring piece 13 inside the clamping part 4 can tightly press the clamping part 4 inward, so that the clamping part 4 can stably clamp the crack detection sensing end 3 for crack detection;

[0033] S2. A chute 7 with a screw rod 8 is arranged on one side of the distance adjusting plate 5, so that it can drive one of the clamping parts 4 and the crack detection sensing end 3 to slide in the chute 7, thereby adjusting the distance between the two crack detection sensing ends 3 and realizing the rapid and accurate adjustment of the measuring point distance.

[0034] Compared with the prior art, the present utility model has the following beneficial effects compared with the prior art:

[0035] 1. For the crack detection device for road bridges, by setting the clamping part 4 on the distance adjustment plate 5, the crack detection sensing end 3 can be assembled and clamped in the middle of the clamping part 4. According to the position of the clamping part 4, the distance of the crack detection sensing end 3 is adjusted. The spring piece 13 inside the clamping part 4 can push the clamping part 4 inward, so that the clamping part 4 can stably clamp the crack detection sensing end 3 for crack detection. By setting a chute 7 with a screw rod 8 on one side of the distance adjustment plate 5, it can drive one of the clamping parts 4 and the crack detection sensing end 3 to slide in the chute 7, thereby adjusting the distance between the two crack detection sensing ends 3 and realizing the rapid and accurate adjustment of the measuring point distance.

[0036] 2. For the crack detection device for road bridges, by electrically connecting the motor 9 to the road bridge crack detector 1, before crack detection, the distance between the two sensing ends needs to be input into the road bridge crack detector 1 to ensure the accuracy of the measurement results. When the road bridge crack detector 1 receives the sensing end distance information, the motor 9 and the screw rod 8 are started, so that the moving clamping part 4 drives one of the crack detection sensing ends 3 to move, and automatically adjusts the distance between the two crack detection sensing ends 3 to the required range. Thus, the distance setting of the sensing end 3 during crack detection is more efficient and convenient, eliminating the step of drawing auxiliary lines on the detection surface and accelerating the crack detection efficiency.

[0037] 3. For the crack detection device for road bridges, by setting a suction cup 6 on the back of the distance adjustment plate 5, it can be adsorbed on the detection surface for crack detection, eliminating the need for manual holding of the detection end during the crack detection process. And before the distance adjustment plate 5 is attached to the detection surface, press the connection plate 12 to discharge the air in the spring airbag 11, and then attach the distance adjustment plate 5 and the suction cup 6 to the detection surface. Then the air pressure in the suction cup 6 and the spring airbag 11 is less than the external atmospheric pressure, thereby improving the adsorption force of the suction cup 6 and making the adsorption and fixation of the crack detection sensing end to the detection surface more stable.

Claims

1. A crack detection device for a road bridge, characterized in that: The invention comprises a road bridge crack detector (1), wherein two connecting wires (2) are fixedly connected to the top of the road bridge crack detector (1), the ends of the connecting wires (2) are respectively fixedly connected to crack detection sensor ends (3), the outer sides of the two crack detection sensor ends (3) are both provided with clamping parts (4), the bottom of one clamping part (4) is fixedly connected to a distance adjusting plate (5), the top of the distance adjusting plate (5) is slidably connected to the other clamping part (4), and the back of the distance adjusting plate (5) is fixedly connected to a plurality of suction cups (6).

2. A crack detection device for roads and bridges according to claim 1, characterized in that: The inner slot diameter of the clamping portion (4) is matched with the outer diameter of the crack detection sensor end (3), and slots are provided on both sides of the inner side of the clamping portion (4). Spring sheets (13) are fixedly connected in the slots, and the spring sheets (13) open inwards under the action of their own elastic force.

3. A crack detection device for roads and bridges according to claim 2, characterized in that: A slide groove (7) is provided on one side of the top of the distance adjusting plate (5), and the distance adjusting plate (5) is slidably connected to a clamping portion (4) on one side through the slide groove (7). A screw rod (8) is rotatably connected inside the slide groove (7), and the screw rod (8) is threadedly connected to a bottom slider of the clamping portion (4). A motor (9) is fixedly connected to the end of the distance adjusting plate (5), and an output end of the motor (9) is fixedly connected to the end of the screw rod (8).

4. A crack detection device for roads and bridges according to claim 3, characterized in that: The crack detection sensor end (3) is electrically connected to the road bridge crack detector (1) via a connecting line (2); the two crack detection sensor ends (3) are respectively an ultrasonic wave generating end and an ultrasonic wave receiving end; and the motor (9) is electrically connected to the road bridge crack detector (1).

5. A crack detection device for roads and bridges according to claim 4, characterized in that: The back of the distance adjusting plate (5) is provided with a plurality of circular grooves (10), the suction cup (6) is arranged inside the circular grooves (10), the front side of the distance adjusting plate (5) is fixedly connected with a plurality of spring air bags (11), the positions of the spring air bags (11) correspond to the positions of the suction cups (6) one by one, the rear opening of the suction cup (6) is communicated with the interior of the spring air bags (11), and the back of the spring air bags (11) is fixedly connected with a connecting plate (12).

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