Prestressed concrete bridge corrosion fatigue life detection device

Abstract

The utility model relates to the technical field of bridge detection, in particular to a prestressed concrete bridge corrosion fatigue life detection device which comprises a camera shooting mechanism and a protection device, the protection device is arranged on the surface of the camera shooting mechanism and comprises a shell, the camera shooting mechanism is arranged on the inner wall of the shell, and a sliding block is arranged below the camera shooting mechanism. The surface of the sliding block is fixedly connected with a damping block, the upper portion of the damping block is fixedly connected with a connecting plate, a connecting assembly is arranged between the camera shooting mechanism and the connecting plate, the inner wall of the shell is fixedly connected with two sliding sleeves, and the sliding block is in sliding connection with the inner walls of the sliding sleeves. Damage of dust, sundries, moisture and the like in the external environment to the camera, such as scratching a lens and influencing the optical performance, is reduced, the service life of the camera is prolonged, clear and accurate images can be obtained when the camera needs to be used, and the reliability of detection results is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge detection, in particular to a corrosion fatigue life detection device for a prestressed concrete bridge. Background Art

[0002] Bridges generally refer to structures built across rivers, lakes, and seas to enable vehicles and pedestrians to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology, or meet other transportation needs to make travel more convenient. Prestressed concrete bridges are bridges built with prestressed concrete. Detection devices are used in the corrosion fatigue life detection of prestressed concrete bridges.

[0003] Prior art such as the utility model with publication number CN218646872U, the utility model discloses a prestressed concrete bridge corrosion fatigue life detection device, including a soil bridge body and a pier, the pier is fixedly connected to the bottom of the soil bridge body, and the bottom of the soil bridge body is fixedly connected with a transmission box located on the left side of the pier. The utility model is convenient for the user to start the motor, the electric telescopic rod and the image sensor by the time relay through the time relay, and then the output end of the motor drives the transmission gear to rotate, so that the transmission gear drives the electric telescopic rod and the image sensor to move through the screw and the slide rod, and then the image sensor detects the pier regularly, which solves the problem that the pier is in a dark and humid environment at the bottom for a long time, and the corrosion will gradually occur, and there is no structure for regularly detecting the pier, so the corrosion fatigue of the pier is getting more and more serious, so it leads to the problem of affecting the service life of the pier, and achieves the effect of automatic timing detection, solves the problem that the existing soil bridge piers are in a dark and humid environment at the bottom for a long time, and the corrosion will gradually occur, and there is no structure for regularly detecting the pier, so the corrosion fatigue of the pier is getting more and more serious, so it leads to the problem of affecting the service life of the pier.

[0004] In daily work, it is found that when the above-mentioned device is in use, it is not convenient to protect the image sensing equipment. When testing and not testing, the equipment is exposed to the outside and is easily disturbed by external factors. For example, dust, debris, moisture in the external environment may damage the camera, scratch the lens, affect its optical performance, etc., resulting in unclear images taken by the equipment, affecting the accuracy of detection, which in turn leads to the problem that the protection effect of the existing detection device is poor and it is easy to interfere with the accuracy of detection. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art, that is, poor protection effect and easy interference with detection accuracy, and proposes a corrosion fatigue life detection device for prestressed concrete bridges.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a prestressed concrete bridge corrosion fatigue life detection device, comprising a camera mechanism and a protective device, the protective device is arranged on the surface of the camera mechanism, the protective device comprises a shell, the camera mechanism is arranged on the inner wall of the shell, a slider is arranged below the camera mechanism, a damping block is fixedly connected to the surface of the slider, a connecting plate is fixedly connected above the damping block, a connecting assembly is arranged between the camera mechanism and the connecting plate, two sliding sleeves are fixedly connected to the inner wall of the shell, the slider is slidably connected to the inner wall of the sliding sleeve, a driving assembly is arranged on the inner wall of the shell, a rotating rod is rotatably connected to the inner wall of the shell, and a cover plate is fixedly connected to the surface of the rotating rod, through the above-mentioned components, the slider can be controlled by the driving assembly to drive the camera mechanism to slide in the sliding sleeve, so that the camera mechanism is retracted into the shell and extended out of the shell for timing detection operation, the cover plate can seal the shell, and the camera mechanism can be stably restricted on the connecting plate through the connecting assembly, and the damping block can play a certain shock-absorbing role, thereby improving the overall protection, reducing external interference, and improving the stability during detection.

[0007] Preferably, the driving assembly includes a screw, which is rotatably connected to the inner wall of the shell, and is threadedly connected to the inner wall of the slider. A motor is fixedly connected to the outer surface of the shell, and the output end of the motor is fixedly connected to one end of the screw. Through the above components, when the driving assembly is working, the motor can drive the screw to rotate, and the screw can control the slider to move in the sleeve, thereby controlling the movement of the camera mechanism.

[0008] Preferably, a guide rod is fixedly connected to the upper surface of the camera mechanism, and there are two guide rods. When the camera mechanism is moving, the guide rod can push the cover plate and the rotating rod to rotate, thereby rotating the cover plate open.

[0009] Preferably, a spring 1 is sleeved on the surface of the rotating rod, and the two ends of the spring 1 are fixedly connected to the surface of the rotating rod and the shell respectively. Through the above components, the spring 1 can stably drive the cover plate to reset, and at the same time, the elastic force of the spring 1 can make the cover plate fit tightly against the shell, thereby improving the sealing effect.

[0010] Preferably, the connecting assembly includes a connecting frame, and there are two connecting frames, the two connecting frames are fixedly connected to the lower surface of the camera mechanism, and the surface of the connecting plate is fixedly connected with four clamping rods, and the clamping rods are plugged into the inner wall of the connecting frame. The inner wall of the connecting frame is slidably connected with two push rods, and one end of the two push rods is fixedly connected with a clamping block, and the surface of the clamping rod is provided with a clamping groove, and the clamping block is plugged into the inner wall of the clamping groove. Through the above-mentioned components, the clamping rod can be inserted into the connecting frame, and then the push rod cooperates with the clamping block to be inserted into the clamping groove on the surface of the clamping rod to complete the connection.

[0011] Preferably, a second spring is sleeved on the surface of the push rod, and the two ends of the second spring are respectively fixedly connected to the surfaces of the push rod and the connecting frame. Through the above components, the spring can improve the stability of the push rod and the card block when they are inserted into the card groove on the card rod surface.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by providing a protective device, the detection device can be protected when not in use, thereby reducing the damage to the camera caused by dust, debris, moisture, etc. in the external environment, such as scratching the lens and affecting its optical performance, etc., which helps to extend the service life of the camera, ensure that clear and accurate images can be obtained when needed, and ensure the reliability of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional structural schematic diagram of a prestressed concrete bridge corrosion fatigue life detection device is proposed for the utility model;

[0015] Figure 2 The utility model provides a schematic diagram of the internal structure of a prestressed concrete bridge corrosion fatigue life detection device;

[0016] Figure 3 The utility model provides a schematic diagram of the state structure of a prestressed concrete bridge corrosion fatigue life detection device during detection;

[0017] Figure 4 The utility model proposes a prestressed concrete bridge corrosion fatigue life detection device Figure 3 Schematic diagram of the structure at A in the middle;

[0018] Figure 5 The utility model provides a partial structural schematic diagram of a protection device of a prestressed concrete bridge corrosion fatigue life detection device.

[0019] Legend:

[0020] 1. Camera mechanism; 2. Protective device; 21. Shell; 22. Drive assembly; 221. Motor; 222. Screw rod; 23. Cover plate; 24. Rotating rod; 25. Spring 1; 26. Sleeve; 27. Sliding block; 28. Guide rod; 29. ​​Connecting assembly; 291. Connecting frame; 292. Push rod; 293. Spring 2; 294. Clamping rod; 295. Clamping block; 210. Damping block; 211. Connecting plate. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5The utility model provides a technical solution: a prestressed concrete bridge corrosion fatigue life detection device, comprising a camera mechanism 1 and a protective device 2, wherein the protective device 2 is arranged on the surface of the camera mechanism 1.

[0022] Specifically, the protection device 2 includes a shell 21, a camera mechanism 1 is arranged on the inner wall of the shell 21, a slider 27 is arranged below the camera mechanism 1, a damping block 210 is fixedly connected to the surface of the slider 27, a connecting plate 211 is fixedly connected to the top of the damping block 210, a connecting assembly 29 is arranged between the camera mechanism 1 and the connecting plate 211, two sliding sleeves 26 are fixedly connected to the inner wall of the shell 21, the slider 27 is slidably connected to the inner wall of the sliding sleeve 26, a driving assembly 22 is arranged on the inner wall of the shell 21, a rotating rod 24 is rotatably connected to the inner wall of the shell 21, and a cover plate 23 is fixedly connected to the surface of the rotating rod 24.

[0023] In this embodiment: the driving component 22 can control the slider 27 to drive the camera mechanism 1 to slide in the sliding sleeve 26, so that the camera mechanism 1 can be retracted into the shell 21 and extended out of the shell 21 to perform a timed detection operation. The cover plate 23 can seal the shell 21. The camera mechanism 1 can be stably restricted on the connecting plate 211 through the connecting component 29. The damping block 210 can play a certain shock-absorbing role, thereby improving the overall protection, reducing external interference, and improving stability during detection.

[0024] Specifically, the drive assembly 22 includes a screw 222, which is rotatably connected to the inner wall of the shell 21, and the screw 222 is threadedly connected to the inner wall of the slider 27. The outer surface of the shell 21 is fixedly connected to a motor 221, and the output end of the motor 221 is fixedly connected to one end of the screw 222.

[0025] In this embodiment, when the driving assembly 22 is working, the motor 221 can drive the screw rod 222 to rotate, and the screw rod 222 can control the slider 27 to move in the sleeve 26, thereby controlling the camera mechanism 1 to move.

[0026] Specifically, the upper surface of the camera mechanism 1 is fixedly connected with a guide rod 28 , and there are two guide rods 28 . When the camera mechanism 1 is moving, the guide rod 28 can push the cover plate 23 and the rotating rod 24 to rotate, so as to rotate the cover plate 23 open.

[0027] Specifically, a spring 25 is sleeved on the surface of the rotating rod 24 , and two ends of the spring 25 are fixedly connected to the rotating rod 24 and the surface of the housing 21 , respectively.

[0028] In this embodiment, the spring 1 25 can stably drive the cover plate 23 to reset, and the elastic force of the spring 1 25 can make the cover plate 23 and the shell 21 close together, thereby improving the sealing effect.

[0029] Specifically, the connecting component 29 includes a connecting frame 291. There are two connecting frames 291. The two connecting frames 291 are fixedly connected to the lower surface of the camera mechanism 1. Four clamping rods 294 are fixedly connected to the surface of the connecting plate 211. The clamping rods 294 are plugged into the inner wall of the connecting frame 291. The inner wall of the connecting frame 291 is slidably connected to two push rods 292. One end of the two push rods 292 is fixedly connected to a clamping block 295. A clamping groove is provided on the surface of the clamping rod 294. The clamping block 295 is plugged into the inner wall of the clamping groove. The clamping rod 294 can be inserted into the connecting frame 291, and then the push rod 292 cooperates with the clamping block 295 to be inserted into the clamping groove on the surface of the clamping rod 294 to complete the connection.

[0030] Specifically, a second spring 293 is sleeved on the surface of the push rod 292 , and two ends of the second spring 293 are fixedly connected to the push rod 292 and the surface of the connecting frame 291 , respectively.

[0031] In this embodiment, the spring can improve the stability of the push rod 292 and the block 295 when they are inserted into the groove on the surface of the clamp rod 294 .

[0032] Working principle: Push the push rod 292 and the block 295, the spring 293 is stressed, the block 294 can be inserted into the connecting frame 291, then loosen the push rod 292, the spring 293 releases the elastic force, and drives the block 295 to be stuck in the slot on the surface of the block 294. The camera mechanism 1 is installed on the connecting plate 211. When testing the corrosion fatigue life of the stress concrete bridge, turn on the motor 221, the motor 221 drives the screw 222 to rotate, and the rotation of the screw 222 can control the slider 27 and the camera mechanism 1 on the sleeve 2 6, when the camera mechanism 1 moves, the guide rod 28 can push the cover plate 23 and the rotating rod 24 to rotate, and the cover plate 23 is rotated open, and the spring 1 25 is stressed. After the camera mechanism 1 is moved out, the image can be uploaded for regular detection. When the detection is completed, the motor 221 drives the screw rod 222 to reverse, and the slider 27 drives the camera mechanism 1 back to the shell 21 to reset. When the guide rod 28 loses the pressure on the cover plate 23, the spring 1 25 releases the elastic force, driving the cover plate 23 to fit into the shell 21, and the protection can be completed.

Claims

1. A prestressed concrete bridge corrosion fatigue life detection device, comprising a camera mechanism (1) and a protection device (2), characterized in that: The protective device (2) is arranged on the surface of the camera mechanism (1), and the protective device (2) comprises a shell (21). The camera mechanism (1) is arranged on the inner wall of the shell (21). A slider (27) is arranged below the camera mechanism (1). A damping block (210) is fixedly connected to the surface of the slider (27). A connecting plate (211) is fixedly connected above the damping block (210). A connecting component (29) is arranged between the camera mechanism (1) and the connecting plate (211). Two sliding sleeves (26) are fixedly connected to the inner wall of the shell (21). The slider (27) is slidably connected to the inner wall of the sliding sleeve (26). A driving component (22) is arranged on the inner wall of the shell (21). A rotating rod (24) is rotatably connected to the inner wall of the shell (21). A cover plate (23) is fixedly connected to the surface of the rotating rod (24).

2. The corrosion fatigue life detection device for prestressed concrete bridge according to claim 1 is characterized by: The driving assembly (22) comprises a screw (222), wherein the screw (222) is rotatably connected to the inner wall of the housing (21), and the screw (222) is threadedly connected to the inner wall of the slider (27). The outer surface of the housing (21) is fixedly connected to a motor (221), and the output end of the motor (221) is fixedly connected to one end of the screw (222).

3. The corrosion fatigue life detection device for prestressed concrete bridge according to claim 1 is characterized by: A guide rod (28) is fixedly connected to the upper surface of the camera mechanism (1), and there are two guide rods (28).

4. The corrosion fatigue life detection device for prestressed concrete bridge according to claim 1 is characterized by: A spring 1 (25) is sleeved on the surface of the rotating rod (24), and two ends of the spring 1 (25) are respectively fixedly connected to the rotating rod (24) and the surface of the housing (21).

5. The corrosion fatigue life detection device for prestressed concrete bridge according to claim 1 is characterized by: The connecting assembly (29) comprises a connecting frame (291), wherein there are two connecting frames (291), the two connecting frames (291) are fixedly connected to the lower surface of the camera mechanism (1), the surface of the connecting plate (211) is fixedly connected with four clamping rods (294), the clamping rods (294) are plugged into the inner wall of the connecting frame (291), the inner wall of the connecting frame (291) is slidably connected with two push rods (292), one end of the two push rods (292) is fixedly connected with a clamping block (295), the surface of the clamping rod (294) is provided with a clamping groove, and the clamping block (295) is plugged into the inner wall of the clamping groove.

6. The corrosion fatigue life detection device for prestressed concrete bridge according to claim 5 is characterized by: A second spring (293) is sleeved on the surface of the push rod (292), and two ends of the second spring (293) are respectively fixedly connected to the surfaces of the push rod (292) and the connecting frame (291).

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