Crack detection device

Abstract

The utility model discloses a crack detection device. The crack detection device comprises a first sliding rail and a first sliding block, according to the crack detection device, first sliding rails are transversely and fixedly connected to the front surface of an adjusting frame in parallel, first sliding blocks are slidably connected to the first sliding rails, a U-shaped frame is jointly and fixedly connected to the first sliding blocks, a movable plate is arranged on the front side of the U-shaped frame, and the detection end of a crack detector body is installed on the movable plate; a movable beam is fixedly connected between the first sliding blocks, the height of the detection end of the crack detector body can be adjusted through cooperation of an adjusting frame, a movable frame and a vertical frame with a height adjusting mechanism, and meanwhile, a first motor is matched with a first threaded rod to drive the movable beam, so that a U-shaped frame moves through cooperation of the first sliding blocks and first sliding rails; the transverse position of the detection end of the crack detector body is adjusted, so that the crack with the changed transverse position can be detected without integrally moving the device, and the device is convenient to operate.

Description

Technical Field

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

[0002] In order to detect more data during wall crack detection, it is usually necessary to adjust the position of crack detection. When the detection position needs to be adjusted, it usually requires multiple people to achieve it, which increases labor costs and causes inconvenience to wall detection.

[0003] In this regard, the patent document with the announcement number CN220819046U discloses a crack detection device, including a two-wheeled vehicle, a leg and a foldable column, the leg is hinged to the two-wheeled vehicle, one end of the column is fixedly connected to the two-wheeled vehicle, a self-propelled frame is movably connected to the column, a crack detector body is detachably mounted on the self-propelled frame, and an electric cylinder is hinged between the leg and the column. In this application: the legs and the column are folded to reduce the length of the entire device, which is convenient for supervisors to move, the self-propelled frame is used to move the crack detector body on the column to adjust the detection height, and the electric cylinder is used to adjust the angle between the column and the leg to adjust the verticality of the column, which is conducive to the convenient detection of wall cracks.

[0004] However, in the above-mentioned prior art, the crack detector body can only be adjusted in height vertically. When the crack position changes laterally, the device position needs to be moved as a whole, which affects the convenience of operation. Therefore, a new crack detection device is proposed to optimize the above-mentioned prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a crack detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A crack detection device comprises a base frame and a crack detector body, wherein a vertical frame is fixedly connected to the front side of the top face of the base frame, a movable frame is provided on the front side of the vertical frame, an adjusting frame is provided on the front bottom of the movable frame, a height adjustment mechanism is commonly provided between the adjusting frame, the movable frame and the base frame, a first slide rail is horizontally and parallelly fixedly connected to the front surface of the adjusting frame, a first slider is slidably connected to the first slide rail, a U-shaped frame is commonly fixedly connected to the first slider, a movable plate is provided on the front side of the U-shaped frame, a detection end of the crack detector body is mounted on the movable plate, a moving beam is also commonly fixedly connected between the first sliders, a first threaded rod is threadedly penetrated on the moving beam, a threaded hole for threaded connection of the first threaded rod is provided on the moving beam, both ends of the first threaded rod rotate with the adjusting frame, a first motor is fixedly installed on the end of the adjusting frame corresponding to the first threaded rod, and the output end of the first motor is fixedly connected to the end of the first threaded rod.

[0008] As a further solution of the utility model: the four corners of the movable plate are fixedly connected with guide rods, one end of the guide rod slides through the U-shaped frame, and the U-shaped frame is provided with a round hole for the guide rod to pass through and slide, and an electric push rod is commonly provided between the guide rods, and the electric push rod is fixedly installed on the inner side of the U-shaped frame, and the telescopic end of the electric push rod slides through the U-shaped frame and is fixedly connected to the movable plate, and the U-shaped frame is provided with a round hole for the telescopic end of the electric push rod to pass through and move.

[0009] As a further solution of the utility model: fixed wheels are symmetrically installed on both sides of the front of the base frame for rotation, and universal wheels are installed on the bottom of the rear side of the base frame. The outer sides of the corresponding fixed wheels and universal wheels of the base frame are threadedly connected with threaded handles. The base frame is provided with threaded holes for threaded connection of the threaded handles, and one end of the threaded handle passes through the base frame and is fixedly connected to a foot.

[0010] As a further solution of the utility model: the height adjustment mechanism includes a second motor, a second threaded rod, a threaded connection seat, a chain, a sprocket, a second slide rail, a second slider, a third slide rail and a third slider.

[0011] As a further solution of the utility model: the second motor is fixedly installed on the top of the stand, the second threaded rod is rotatably connected to the inner side of the stand and corresponds to the output end of the second motor, the output end of the second motor is fixedly connected to the end of the second threaded rod, the threaded connection seat is threadedly sleeved on the outer side of the second threaded rod, the threaded connection seat is provided with a threaded hole corresponding to the penetration point of the second threaded rod, and the threaded connection seat is fixedly connected to the bottom of the movable frame.

[0012] As a further solution of the utility model: the chain is wound around the outside of the sprocket, one end of the chain is fixedly connected to the vertical frame, the other end of the chain is fixedly connected to the adjustment frame, and the sprocket is rotatably mounted on the top of the movable frame.

[0013] As a further solution of the utility model: the second slide rail is symmetrically fixedly connected to the front surface of the vertical frame, the second slider is symmetrically fixedly connected to the rear surface of the movable frame, the third slide rail is symmetrically fixedly connected to the front surface of the movable frame, the third slider is symmetrically fixedly connected to the rear surface of the adjustment frame, the second slider is slidably connected to the second slide rail, and the third slider is slidably connected to the third slide rail.

[0014] As a further solution of the utility model: a mobile power supply is fixedly installed on the top surface of the rear side of the base frame, a switch is fixedly installed on the top surface of the mobile power supply, the main unit of the crack detector body is fixedly installed on the top surface of the mobile power supply, the detection end of the crack detector body and the main unit of the crack detector body are wirelessly connected, the crack detector body and the detection end and the main unit of the crack detector body all have their own power supply and switch, the first motor, the electric push rod and the second motor are all electrically connected to the switch, and the switch is electrically connected to the mobile power supply.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The detection end of the crack detector body of the utility model can be adjusted in height through the adjustment frame, the movable frame and the vertical frame in cooperation with the height adjustment mechanism. At the same time, the first motor cooperates with the first threaded rod to drive the movable beam, so that the U-shaped frame is moved by the first slider and the first slide rail, so as to adjust the lateral position of the detection end of the crack detector body, so that the crack with a lateral position change can be detected without moving the device as a whole, which is convenient for the operation of the device.

[0017] 2. The utility model drives the movable plate by an electric push rod, so that the movable plate can move along the sliding direction of the guide rod, thereby facilitating driving the detection end of the crack detector body to approach the wall.

[0018] 3. The utility model facilitates the movement of the device by the cooperation of the fixed wheels and the universal wheels. The device can be parked by rotating the threaded handle and resting the feet on the ground. At the same time, the device can be leveled by rotating the threaded handle.

[0019] 4. The utility model can drive the movable frame through the second motor through the second threaded rod and the threaded connection seat, so that the movable frame slides on the vertical frame through the cooperation of the second slide rail and the second slider. When the movable frame moves, the adjusting frame is driven by the cooperation of the chain and the sprocket. The adjusting frame slides on the front side of the movable frame through the cooperation of the third slide rail and the third slider, thereby realizing the functions of multi-section telescopic and height adjustment, effectively lowering the height of the device when the device is not in use, and facilitating handling and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A structural schematic diagram of a crack detection device.

[0021] Figure 2 It is a perspective view of a crack detection device from above.

[0022] Figure 3 This is an enlarged view of the local structure of a crack detection device.

[0023] In the figure: 1. base frame; 2. crack detector body; 3. stand; 4. movable frame; 5. adjustment frame; 6. first slide rail; 7. first slider; 8. U-shaped frame; 9. movable plate; 10. moving beam; 11. first threaded rod; 12. first motor; 13. guide rod; 14. electric push rod; 15. fixed wheel; 16. universal wheel; 17. threaded handle; 18. foot; 19. second motor; 20. second threaded rod; 21. threaded connector; 22. chain; 23. sprocket; 24. second slide rail; 25. second slider; 26. third slide rail; 27. third slider; 28. mobile power supply; 29. ​​switch. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 3 In an embodiment of the utility model, a crack detection device includes a base frame 1 and a crack detector body 2. The model of the crack detector body 2 is LR-FK202. The crack detector body 2 includes a detection end and a host. A stand 3 is fixedly connected to the front side of the top of the base frame 1. A movable frame 4 is arranged on the front side of the stand 3. An adjustment frame 5 is arranged on the front bottom of the movable frame 4. A height adjustment mechanism is arranged between the adjustment frame 5, the movable frame 4 and the stand 3. A first slide rail 6 is fixedly connected to the front surface of the adjustment frame 5 in a horizontal and parallel manner. A first slider 7 is slidably connected to the first slide rail 6. The first slider 7 are commonly fixedly connected with a U-shaped frame 8, a movable plate 9 is provided on the front side of the U-shaped frame 8, the detection end of the crack detector body 2 is installed on the movable plate 9, and a moving beam 10 is also commonly fixedly connected between the first sliders 7, a first threaded rod 11 is threadedly penetrated on the moving beam 10, and a threaded hole for threaded connection of the first threaded rod 11 is provided on the moving beam 10, both ends of the first threaded rod 11 rotate with the adjusting frame 5, and a first motor 12 is fixedly installed on the adjusting frame 5 corresponding to the end of the first threaded rod 11, and the output end of the first motor 12 is fixedly connected to the end of the first threaded rod 11.

[0026] The detection end of the crack detector body 2 can be adjusted in height through the adjustment frame 5, the movable frame 4 and the vertical frame 3 in cooperation with the height adjustment mechanism. At the same time, the first motor 12 cooperates with the first threaded rod 11 to drive the movable beam 10, so that the U-shaped frame 8 is moved through the first slider 7 and the first slide rail 6, thereby adjusting the lateral position of the detection end of the crack detector body 2, so that cracks with lateral position changes can be detected without moving the device as a whole.

[0027] The four corners of the movable plate 9 are fixedly connected with a guide rod 13, one end of the guide rod 13 slides through the U-shaped frame 8, and the U-shaped frame 8 is provided with a round hole for the guide rod 13 to penetrate and slide. An electric push rod 14 is commonly provided between the guide rods 13, and the electric push rod 14 is fixedly installed on the inner side of the U-shaped frame 8. The telescopic end of the electric push rod 14 slides through the U-shaped frame 8 and is fixedly connected to the movable plate 9. The U-shaped frame 8 is provided with a round hole for the telescopic end of the electric push rod 14 to penetrate and move.

[0028] The movable plate 9 is driven by the electric push rod 14 so that the movable plate 9 can move along the sliding direction of the guide rod 13, thereby facilitating driving the detection end of the crack detector body 2 to approach the wall.

[0029] Fixed wheels 15 are symmetrically rotatably installed on both sides of the front of the base frame 1, and universal wheels 16 are installed on the bottom of the rear side of the base frame 1. The outer sides of the fixed wheels 15 and the universal wheels 16 of the base frame 1 are threadedly connected with threaded handles 17. The base frame 1 is provided with threaded holes for threaded connection of the threaded handles 17. One end of the threaded handle 17 passes through the base frame 1 and is fixedly connected with a foot 18.

[0030] The movement of the device is facilitated by the cooperation of the directional wheels 15 and the universal wheels 16 . The device can be parked by rotating the threaded handle 17 and the feet 18 against the ground. The device can also be leveled by rotating the threaded handle 17 .

[0031] The height adjustment mechanism includes a second motor 19 , a second threaded rod 20 , a threaded connection seat 21 , a chain 22 , a sprocket 23 , a second slide rail 24 , a second slider 25 , a third slide rail 26 and a third slider 27 .

[0032] The second motor 19 is fixedly installed on the top of the stand 3, the second threaded rod 20 is rotatably connected to the inner side of the stand 3 and corresponds to the output end of the second motor 19, the output end of the second motor 19 is fixedly connected to the end of the second threaded rod 20, the threaded connection seat 21 is threadedly sleeved on the outer side of the second threaded rod 20, the threaded connection seat 21 is provided with a threaded hole corresponding to the penetration point of the second threaded rod 20, and the threaded connection seat 21 is fixedly connected to the bottom of the movable frame 4.

[0033] The chain 22 is wound around the outside of the sprocket 23 , one end of the chain 22 is fixedly connected to the vertical frame 3 , the other end of the chain 22 is fixedly connected to the adjustment frame 5 , and the sprocket 23 is rotatably mounted on the top of the movable frame 4 .

[0034] The second slide rail 24 is symmetrically fixedly connected to the front surface of the vertical frame 3, the second slider 25 is symmetrically fixedly connected to the rear surface of the movable frame 4, the third slide rail 26 is symmetrically fixedly connected to the front surface of the movable frame 4, the third slider 27 is symmetrically fixedly connected to the rear surface of the adjustment frame 5, the second slider 25 is slidably connected to the second slide rail 24, and the third slider 27 is slidably connected to the third slide rail 26.

[0035] The second motor 19 can drive the movable frame 4 through the second threaded rod 20 in cooperation with the threaded connection seat 21, so that the movable frame 4 slides on the vertical frame 3 through the cooperation of the second slide rail 24 and the second slider 25. When the movable frame 4 moves, the adjustment frame 5 is driven through the cooperation of the chain 22 and the sprocket 23. The adjustment frame 5 slides on the front side of the movable frame 4 through the cooperation of the third slide rail 26 and the third slider 27, thereby realizing the functions of multi-section telescopic and height adjustment, and effectively lowering the height of the device when the device is not in use, which is convenient for handling and transportation.

[0036] A mobile power source 28 is fixedly installed on the top surface of the rear side of the base frame 1, and a switch 29 is fixedly installed on the top surface of the mobile power source 28. The main unit of the crack detector body 2 is fixedly installed on the top surface of the mobile power source 28. The detection end of the crack detector body 2 is wirelessly connected to the main unit of the crack detector body 2. The crack detector body 2 and the detection end and the main unit of the crack detector body 2 all have their own power supply and switch. The first motor 12, the electric push rod 14 and the second motor 19 are all electrically connected to the switch 29, and the switch 29 is electrically connected to the mobile power source 28.

[0037] The working principle of the utility model is:

[0038] When in use, the movement of the device is facilitated by the cooperation of the directional wheel 15 and the universal wheel 16. The device can be parked by rotating the threaded handle 17 and cooperating with the pad foot 18 against the ground. At the same time, the device can be leveled by rotating the threaded handle 17. The second motor 19 can drive the movable frame 4 through the second threaded rod 20 in cooperation with the threaded connection seat 21, so that the movable frame 4 slides on the stand 3 through the cooperation of the second slide rail 24 and the second slider 25. When the movable frame 4 moves, the adjustment frame 5 is driven by the cooperation of the chain 22 and the sprocket 23. The adjustment frame 5 slides on the front side of the movable frame 4 through the cooperation of the third slide rail 26 and the third slider 27, thereby realizing multi-section telescopic movement. The height adjustment function is that the detection end of the crack detector body 2 can be adjusted in height through the adjustment frame 5, the movable frame 4 and the vertical frame 3 in cooperation with the height adjustment mechanism. At the same time, the first motor 12 cooperates with the first threaded rod 11 to drive the movable beam 10, so that the U-shaped frame 8 is moved through the first slider 7 and the first slide rail 6, so as to adjust the lateral position of the detection end of the crack detector body 2, so that the cracks with lateral position changes can be detected without moving the device as a whole. The movable plate 9 is driven by the electric push rod 14, so that the movable plate 9 can move along the sliding direction of the guide rod 13, so as to facilitate driving the detection end of the crack detector body 2 to approach the wall. At this time, the crack width can be measured through the crack detector body 2.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crack detection device, comprising a base frame (1) and a crack detector body (2), characterized in that: The front side of the top of the bottom frame (1) is fixedly connected to a vertical frame (3), a movable frame (4) is provided on the front side of the vertical frame (3), an adjustment frame (5) is provided on the front bottom of the movable frame (4), a height adjustment mechanism is provided between the adjustment frame (5), the movable frame (4) and the vertical frame (3), a first slide rail (6) is fixedly connected to the front surface of the adjustment frame (5) in a horizontal and parallel manner, a first slider (7) is slidably connected to the first slide rail (6), a U-shaped frame (8) is fixedly connected to the first slider (7), and the front of the U-shaped frame (8) is fixedly connected to the front of the U-shaped frame (8). A movable plate (9) is provided on the side, and the detection end of the crack detector body (2) is installed on the movable plate (9). A movable beam (10) is also fixedly connected between the first sliders (7). A first threaded rod (11) is threadedly penetrated on the movable beam (10). Both ends of the first threaded rod (11) rotate with the adjustment frame (5). A first motor (12) is fixedly installed on the adjustment frame (5) at the end corresponding to the first threaded rod (11), and the output end of the first motor (12) is fixedly connected to the end of the first threaded rod (11).

2. A crack detection device according to claim 1, characterized in that: The four corners of the movable plate (9) are fixedly connected with guide rods (13), one end of the guide rod (13) slides through the U-shaped frame (8), an electric push rod (14) is provided between the guide rods (13), the electric push rod (14) is fixedly installed on the inner side of the U-shaped frame (8), and the telescopic end of the electric push rod (14) slides through the U-shaped frame (8) and is fixedly connected to the movable plate (9).

3. A crack detection device according to claim 1, characterized in that: Fixed wheels (15) are symmetrically rotatably mounted on both sides of the front of the base frame (1), and universal wheels (16) are mounted on the bottom of the rear side of the base frame (1). The outer sides of the fixed wheels (15) and the universal wheels (16) of the base frame (1) are both threadedly connected with threaded handles (17), and one end of the threaded handle (17) passes through the base frame (1) and is fixedly connected with a foot (18).

4. A crack detection device according to claim 1, characterized in that: The height adjustment mechanism comprises a second motor (19), a second threaded rod (20), a threaded connection seat (21), a chain (22), a sprocket (23), a second slide rail (24), a second slider (25), a third slide rail (26) and a third slider (27).

5. A crack detection device according to claim 4, characterized in that: The second motor (19) is fixedly mounted on the top of the stand (3); the second threaded rod (20) is rotatably connected to the inner side of the stand (3) and corresponds to the output end of the second motor (19); the output end of the second motor (19) is fixedly connected to the end of the second threaded rod (20); the threaded connection seat (21) is threadedly sleeved on the outer side of the second threaded rod (20); and the threaded connection seat (21) is fixedly connected to the bottom of the movable frame (4).

6. A crack detection device according to claim 4, characterized in that: The chain (22) is wound around the outside of the sprocket (23), one end of the chain (22) is fixedly connected to the vertical frame (3), the other end of the chain (22) is fixedly connected to the adjustment frame (5), and the sprocket (23) is rotatably mounted on the top of the movable frame (4).

7. A crack detection device according to claim 4, characterized in that: The second slide rail (24) is symmetrically fixedly connected to the front surface of the vertical frame (3), the second slider (25) is symmetrically fixedly connected to the rear surface of the movable frame (4), the third slide rail (26) is symmetrically fixedly connected to the front surface of the movable frame (4), the third slider (27) is symmetrically fixedly connected to the rear surface of the adjustment frame (5), the second slider (25) is slidably connected to the second slide rail (24), and the third slider (27) is slidably connected to the third slide rail (26).

8. A crack detection device according to claim 1, characterized in that: A mobile power source (28) is fixedly mounted on the top surface of the rear side of the base frame (1), a switch (29) is fixedly mounted on the top surface of the mobile power source (28), and a main unit of the crack detector body (2) is fixedly mounted on the top surface of the mobile power source (28).

Images