Building crack width detection device

Abstract

The utility model relates to the technical field of building crack detection, in particular to a building crack width detection device which comprises an imager, the imager is clamped by a support and detachably connected to the support, the support is arranged at the bottom of a telescopic rod, the top of the telescopic rod is in threaded connection with a camera shooting assembly, and the camera shooting assembly is connected with the imager through a transmission line. The camera shooting assembly comprises a camera, a connecting frame, a rotating shaft, a limiting rod and a connecting piece, and the camera slides on the wall through rollers. An operator can enable the extension rod to slide up and down in the bottom rod by pushing and pulling the handle, and the camera mechanism can touch a wall surface and a roof at a high position by adjusting the position of the extension rod, so that the operator can stand on the ground to detect the crack width of the roof.

Description

Technical Field

[0001] The utility model relates to the technical field of building crack detection, and more specifically, particularly to a building crack width detection device. Background Art

[0002] Cracks are one of the common defects of concrete buildings. The existence and development of cracks usually cause corrosion of internal steel bars and other materials, reduce the bearing capacity of concrete, and affect the service life of the building. When cracks appear in concrete, it is necessary to record and analyze the cracks as one of the indicators for judging the quality of the building.

[0003] The patent with announcement number CN216925469U discloses a crack width detection device for concrete buildings, including a shell, a pressure plate, a base plate, a ball and a host; a camera is fixedly connected inside the shell, the base plate is fixedly connected to the bottom end of the shell, and the left and right side surfaces of the base plate are flush with the left and right side surfaces of the shell; a light-transmitting hole is opened in the middle of the base plate, spherical grooves are provided on the left and right sides of the base plate, and the ball is arranged in the spherical groove; the pressure plate is fixedly connected to the left and right sides of the shell, and a curved groove is provided on the inner side of the bottom end of the pressure plate; the curved groove is fitted with the spherical groove, and the ball is arranged in the spherical groove; a cable protector is provided in the middle of the top of the shell, and the camera is electrically connected to the host.

[0004] However, this patent requires operators to climb up to inspect when measuring concrete cracks on the top of the wall or the roof of the building, which has a low safety factor and is prone to danger. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a building crack width detection device, which can enable detection personnel to detect high cracks on the ground through a telescopic rod.

[0006] A device for detecting the width of a building crack comprises an imager, which is detachably connected to a bracket. The bracket is arranged at the bottom of a telescopic rod. A camera assembly is screwed on the top of the telescopic rod. The camera assembly is connected to the imager via a transmission line. The camera assembly comprises a camera, a connecting frame, a rotating shaft, a limiting rod and a connecting piece. The camera slides on a wall via rollers.

[0007] Furthermore, the telescopic rod includes a bottom rod and an extension rod, the extension rod is slidably connected to the bottom rod, a limit slide is provided on the side wall of the bottom rod, a handle is fixed to the bottom of the extension rod, and the handle passes through the limit slide.

[0008] Furthermore, a positioning ring is sleeved on the outer wall of the bottom rod, the handle passes through the positioning ring, the outer wall of the handle is provided with a thread, the outer wall of the handle is threaded with a locking buckle, and the locking buckle can squeeze the positioning ring.

[0009] Furthermore, a threaded hole is provided at the top of the extension rod, the bottom of the connecting frame is screwed to the threaded hole, and the front end of the connecting frame protrudes from the side wall of the bottom rod.

[0010] Furthermore, the rotating shaft is arranged at the top of the connecting frame, the connecting piece is fixedly connected to the bottom of the camera, both sides of the rotating shaft pass through the connecting piece, and the connecting piece is rotatably connected to the rotating shaft.

[0011] Furthermore, a rotating plate is provided on the side wall of the rotating shaft, a plurality of openings are provided on the rotating plate, the limiting rod is screwed to the connecting plate, the limiting rod passes through the connecting plate, the diameter of the limiting rod is the same as the diameter of the opening, and the limiting rod can pass through the opening.

[0012] Furthermore, the roller is arranged on the side wall of the camera, and the roller protrudes from the camera.

[0013] Furthermore, a recess is provided on one side of the camera, a camera is provided in the recess, and a plurality of lighting lamps are provided on the side wall of the recess.

[0014] Furthermore, a threading hole is provided on the top side wall of the bottom rod, and the transmission line passes through the threading hole.

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

[0016] ① The operator can push and pull the handle to make the extension rod slide up and down inside the bottom rod. By adjusting the position of the extension rod, the camera mechanism can touch the high wall and roof, so that the operator can detect the width of the crack on the roof while standing on the ground.

[0017] ② A rotating piece is provided on the side wall of the rotating shaft, and the rotating piece is located on the inner side of the two connecting pieces. The rotating piece rotates with the rotating shaft. A plurality of openings are provided on the rotating piece, and the openings are located on the side of the rotating piece. The limiting rod is screwed to the connecting piece, and the limiting rod passes through the connecting piece. The limiting rod slides on the connecting piece by rotating. The diameter of the limiting rod is the same as the diameter of the opening, and the limiting rod can pass through the opening. When the limiting rod passes through the opening, the limiting rod limits the rotation of the rotating shaft, thereby further fixing the inclination angle of the camera, which is convenient for the detection personnel to detect the crack width. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 The present invention is a schematic diagram of the overall structure of a building crack width detection device.

[0020] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0021] Figure 3 The present invention is a schematic diagram of a camera assembly in a building crack width detection device.

[0022] In the figure: 1. imager; 11. bracket; 2. telescopic rod; 21. bottom rod; 211. limit slide; 212. threading hole; 213. positioning ring; 22. extension rod; 221. handle; 222. locking buckle; 3. camera assembly; 31. camera; 311. camera head; 312. lighting lamp; 313. roller; 32. connecting frame; 33. rotating shaft; 331. rotating plate; 3311. opening; 34. limit rod; 35. connecting plate; 4. transmission line. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1 As shown, a device for detecting the width of a crack in a building includes an imager 1, which is clamped by a bracket 11. The imager 1 is detachably connected to the bracket 11. The bracket 11 is arranged at the bottom of a telescopic rod 2. A camera assembly 3 is screwed on the top of the telescopic rod 2. The camera assembly 3 is connected to the imager 1 through a transmission line 4. The camera assembly 3 includes a camera 31, a connecting frame 32, a rotating shaft 33, a limiting rod 34 and a connecting piece 35. The camera 31 slides on the wall through a roller 313.

[0025] The telescopic rod 2 includes a bottom rod 21 and an extension rod 22. The bottom rod 21 is a hollow cylindrical rod, and the extension rod 22 is a solid cylindrical rod. The diameter of the extension rod 22 is smaller than the inner diameter of the bottom rod 21. The extension rod 22 is slidably connected to the bottom rod 21. The bottom of the bottom rod 21 is a solid rod. The operator can hold the bottom of the bottom rod 21 to move the bottom rod 21 and the extension rod 22. The side wall of the bottom rod 21 is provided with a limited slide 211. The limited slide 211 is vertically distributed on the side wall of the bottom rod 21. The limited slide 211 is located in the hollow part of the bottom rod 21. A handle 221 is welded at the bottom of the extension rod 22. The handle 221 is a cylinder. The handle 221 passes through the limiting slide 211. The outer side of the handle 221 protrudes from the side wall of the bottom rod 21. The handle 221 limits the rotation of the extension rod 22 in the bottom rod 21. The operator can push and pull the handle 221 to make the extension rod 22 slide up and down in the bottom rod 21. By adjusting the position of the extension rod 22, the camera 31 can touch the high wall and roof, so that the operator can detect the width of the crack on the roof while standing on the ground.

[0026] like Figure 2 As shown, the outer wall of the bottom rod 21 is also sleeved with a positioning ring 213, and the handle 221 passes through the positioning ring 213. When the handle 221 moves up and down, the handle 221 drives the positioning ring 213 to move up and down together. The outer wall of the handle 221 is provided with a thread, and the outer wall of the handle 221 is screwed with a locking buckle 222. When the length of the extension rod 22 extending out of the bottom rod 21 is determined, the locking buckle 222 is rotated to squeeze the positioning ring 213, and the positioning ring 213 is deformed so that the positioning ring 213 presses the side wall of the bottom rod 21, further increasing the friction between the positioning ring 213 and the side wall of the bottom rod 21, thereby completing the fixation of the relative position of the extension rod 22 and the bottom rod 21. When it needs to be stored, the locking buckle 222 is loosened, and the extension rod 22 can slide into the bottom rod 21.

[0027] A threaded hole is provided at the top of the extension rod 22, and the bottom of the connecting frame 32 is screwed to the threaded hole. The bottom of the connecting frame 32 is an "L-shaped" screw, and the top of the connecting frame 32 is a rectangular rod. The front end of the connecting frame 32 protrudes from the side wall of the extension rod 22 to ensure that the bottom rod 21 and the extension rod 22 will not contact the wall when the camera 31 is attached to the wall, thereby providing operating space for the detection personnel.

[0028] like Figure 3 As shown, the rotating shaft 33 is arranged at the top of the connecting frame 32, and the rotating shaft 33 can rotate at the top of the connecting frame 32. The connecting piece 35 is welded to the bottom of the camera 31. The connecting piece 35 passes through the two sides of the rotating shaft 33. The connecting piece 35 is rotatably connected to the rotating shaft 33. The camera 31 and the connecting frame 32 can be relatively rotated through the rotating shaft 33, so that the camera 31 can be directed to different directions.

[0029] A rotating piece 331 is provided on the side wall of the rotating shaft 33. The rotating piece 331 is located on the inner side of the two connecting pieces 35. The rotating piece 331 rotates together with the rotating shaft 33. A plurality of openings 3311 are provided on the rotating piece 331. The openings 3311 are located on the side of the rotating piece 331. The limiting rod 34 is screwed to the connecting piece 35. The limiting rod 34 passes through the connecting piece 35. The limiting rod 34 slides on the connecting piece 35 by rotation. The diameter of the limiting rod 34 is the same as the diameter of the opening 3311. The limiting rod 34 can pass through the opening 3311. When the limiting rod 34 passes through the opening 3311, the limiting rod 34 limits the rotation of the rotating shaft 33, thereby further fixing the inclination angle of the camera 31, which is convenient for the detection personnel to detect the crack width.

[0030] The roller 313 is arranged on the side wall of the camera 31 , and the roller 313 slightly protrudes from the surface of the camera 31 . When crack width detection is performed, the roller 313 is attached to the wall surface, which facilitates the movement of the camera 31 and does not wear the surface of the camera 31 during movement.

[0031] A recess is provided on one side of the camera 31, and a camera 311 is provided in the recess. When detecting the width of a crack, the recess is aimed at the crack, and the camera 311 can then capture the crack. A plurality of lighting lamps 312 are provided on the side wall of the recess, and the lighting lamps 312 increase the brightness in the recess, making the crack captured by the camera 311 clearer.

[0032] In order to prevent the transmission line 4 from getting tangled when the extension rod 22 is telescoped, a threading hole 212 is welded on the top side wall of the bottom rod 21. The transmission line 4 passes through the threading hole 212. The threading hole 212 limits the moving path of the transmission line 4. The transmission line 4 sends the data collected by the camera 31 to the imager 1, and the inspection personnel record and analyze the crack width on the imager 1.

[0033] When detecting cracks at lower locations, the connecting frame 32 can be screwed out of the extension rod 22, and the imager 1 can be taken out from the bracket 11. At this time, the width of the cracks at lower locations can be detected without being restricted by the telescopic rod 2.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A building crack width detection device, comprising an imager (1), characterized in that: The imager (1) is detachably connected to a bracket (11), the bracket (11) is arranged at the bottom of a telescopic rod (2), a camera assembly (3) is screwed to the top of the telescopic rod (2), the camera assembly (3) is connected to the imager (1) via a transmission line (4), the camera assembly (3) comprises a camera (31), a connecting frame (32), a rotating shaft (33), a limiting rod (34) and a connecting piece (35), and the camera (31) slides on the wall via a roller (313).

2. A building crack width detection device according to claim 1, characterized in that: The telescopic rod (2) comprises a bottom rod (21) and an extension rod (22); the extension rod (22) is slidably connected to the bottom rod (21); a limit slideway (211) is provided on a side wall of the bottom rod (21); a handle (221) is fixedly connected to the bottom of the extension rod (22); and the handle (221) passes through the limit slideway (211).

3. A building crack width detection device according to claim 2, characterized in that: The outer wall of the bottom rod (21) is also sleeved with a positioning ring (213), the handle (221) passes through the positioning ring (213), the outer wall of the handle (221) is provided with a thread, the outer wall of the handle (221) is screwed with a locking buckle (222), and the locking buckle (222) can squeeze the positioning ring (213).

4. A building crack width detection device according to claim 3, characterized in that: The top of the extension rod (22) is provided with a threaded hole, the bottom of the connecting frame (32) is screwed to the threaded hole, and the front end of the connecting frame (32) protrudes from the side wall of the bottom rod (21).

5. A building crack width detection device according to claim 4, characterized in that: The rotating shaft (33) is arranged on the top of the connecting frame (32), the connecting piece (35) is fixedly connected to the bottom of the camera (31), both sides of the rotating shaft (33) pass through the connecting piece (35), and the connecting piece (35) is rotatably connected to the rotating shaft (33).

6. A building crack width detection device according to claim 5, characterized in that: The side wall of the rotating shaft (33) is provided with a rotating plate (331), and a plurality of openings (3311) are provided on the rotating plate (331). The limiting rod (34) is screwed to the connecting plate (35), and the limiting rod (34) passes through the connecting plate (35). The diameter of the limiting rod (34) is the same as the diameter of the opening (3311), and the limiting rod (34) can pass through the opening (3311).

7. A building crack width detection device according to claim 6, characterized in that: The roller (313) is arranged on a side wall of the camera (31), and the roller (313) protrudes from the camera (31).

8. A building crack width detection device according to claim 7, characterized in that: A recess is provided on one side of the camera (31), a camera (311) is provided in the recess, and a plurality of lighting lamps (312) are provided on the side wall of the recess.

9. A building crack width detection device according to claim 8, characterized in that: A threading hole (212) is provided on the top side wall of the bottom rod (21), and the transmission line (4) passes through the threading hole (212).

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