Building crack detection equipment

Abstract

The invention discloses building crack detection equipment which comprises a longitudinal rod, a fixing disc is arranged below the longitudinal rod, a sliding groove is formed in the longitudinal rod, a lifting rod in sliding connection with the longitudinal rod is arranged in the sliding groove, a first lead screw is rotationally arranged in the sliding groove, and the first lead screw is in threaded connection with the lifting rod. A first motor with an output shaft connected with the first lead screw is arranged in the longitudinal rod, a top disc is arranged at the upper end of the lifting rod, a rotating disc is rotationally arranged behind the top disc, an angle adjusting mechanism is arranged between the top disc and the rotating disc, deflection plates are symmetrically arranged on the two sides of the rotating disc, through grooves are formed in the deflection plates and extend into the rotating disc, and the rotating disc is arranged in the through grooves. And a clamping mechanism for fixing the detection tool is arranged on the deflection plate. The device can be matched with various crack detection instruments for auxiliary use, the detection instrument body and the detection heads of the parts of the detection instrument body are respectively fixed, and a manual handheld operation mode is replaced.

Description

Technical Field

[0001] The invention relates to the technical field of building construction safety, and in particular to a building crack detection device. Background Art

[0002] Wall cracks are cracks that occur in the wall part of a building structure. According to the different materials of the materials themselves, they can be divided into concrete wall cracks, brick wall cracks, new partition board cracks and cracks caused by walls of different materials. There are various methods for detecting building cracks, and you can choose the appropriate method according to the specific situation and detection needs, such as the crack observation instrument measurement method: use a crack observation instrument to accurately measure the cracks, including parameters such as the length, width and depth of the cracks; infrared thermal imager detection method: use an infrared thermal imager to detect the heat distribution of the building, and judge whether there are structural problems by observing the distribution of hot and cold spots; sound wave detection method: use sound wave equipment to detect gaps and damage inside the building.

[0003] In addition to manual visual observation and manual measurement using a vernier caliper, the current detection method requires the use of a variety of detection instruments to detect the specific conditions of the cracks. The existing instruments need to connect the detection instrument body to the detection head before use, and then detect the crack points by handheld detection. This method is cumbersome to operate, and the wall is generally higher than a person's height. In particular, when the load-bearing structure on the top of the wall needs to be inspected, high-position detection operations are required, and the detection instruments are inconvenient to use. Summary of the invention

[0004] The present invention provides a building crack detection device to solve the problem that the existing instrument needs to connect the detection instrument body with the detection head before use, and then detect the crack points by hand-held detection, which is cumbersome to operate and inconvenient to use the detection instrument when performing high-position detection operations.

[0005] To solve the above technical problems, the technical solution provided by the present invention is: a building crack detection device, including a longitudinal rod, a fixed plate is provided under the longitudinal rod, a slide groove is provided in the longitudinal rod, a lifting rod slidably connected to the longitudinal rod is provided in the slide groove, a first screw rod is rotatably provided in the slide groove, the first screw rod is threadedly connected to the lifting rod, a first motor with an output shaft connected to the first screw rod is provided in the longitudinal rod, a top plate is provided at the upper end of the lifting rod, a turntable is rotatably provided behind the top plate, an angle adjustment mechanism is provided between the top plate and the turntable, deflection plates are symmetrically provided on both sides of the turntable, a through groove is provided on the deflection plate, the through groove extends into the turntable, and a clamping mechanism for fixing the detection tool is provided on the deflection plate.

[0006] As an improvement, a battery is provided on the lower front side of the longitudinal rod, and the battery is electrically connected to multiple motors through wires. A groove for installing the detection instrument body is provided in the front of the longitudinal rod and on the upper side of the battery. The lower front side of the groove is raised upward, and a pressure plate is provided on the groove. Guide rods are symmetrically provided on both sides of the pressure plate. The guide rods extend into the longitudinal rod and are slidably connected to the longitudinal rod. A spring is provided between the longitudinal rod and the guide rod.

[0007] As an improvement, the angle adjustment mechanism includes an annular groove located on the inner side of the turntable, an annular tooth is provided in the annular groove, a rotating shaft is rotatably provided on the top plate, a gear meshing with the annular tooth is provided on the rotating shaft, and a second motor with an output shaft connected to the rotating shaft is provided on the top plate.

[0008] As an improvement, the clamping mechanism includes a block slidably connected to the through slot, a second screw rod is rotatably provided in the through slot, the second screw rod is threadedly connected to the block, a sleeve is provided in front of the block, an arc-shaped clamping plate is symmetrically provided in the sleeve, an adjusting bolt is threadedly connected to the sleeve, the adjusting bolt is rotatably connected to the arc-shaped clamping plate, rubber pads are provided on opposite sides of the arc-shaped clamping plate, a third motor is symmetrically provided in the turntable, and the output shafts of the third motor are respectively connected to the screw rods on the same side.

[0009] As an improvement, the block is symmetrically provided with card blocks on the upper and lower sides, and the through slot is provided with card slots on the upper and lower sides. The card blocks are respectively located in adjacent card slots and are slidably connected to the deflection plate. A wire groove is provided under the sleeve for placing the connecting cables of the detection tool.

[0010] The beneficial effects of the present invention are as follows: 1. The present invention can be used in conjunction with a variety of crack detection instruments to respectively fix the detection instrument body and the detection head of its parts, replacing the manual handheld operation mode; 2. By adjusting the height of the lifting rod, adjusting the spacing between the sleeves, and rotating the turntable to deflect the plane position of the sleeve, the detection head can be quickly and automatically moved for detection, which is convenient for detecting different positions of the building wall, improving the detection efficiency and the convenience of using the crack detection instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2 It is a rear view of the present invention.

[0013] Figure 3 It is a schematic diagram of the sleeve structure of the present invention.

[0014] Figure 4 It is a schematic diagram of the angle adjustment mechanism of the present invention.

[0015] Figure 5 It is a partial cross-sectional view of the longitudinal rod of the present invention.

[0016] As shown in the figure: 1. longitudinal rod; 2. fixed plate; 3. slide groove; 4. lifting rod; 5. first screw rod; 6. first motor; 7. top plate; 8. turntable; 9. deflection plate; 10. through groove; 11. battery; 12. groove; 13. pressure plate; 14. guide rod; 15. spring; 16. ring groove; 17. ring tooth; 18. rotating shaft; 19. gear; 20. second motor; 21. block; 22. sleeve; 23. arc splint; 24. adjusting bolt; 25. rubber pad; 26. third motor; 27. block; 28. slot; 29. ​​wire slot; 30. second screw rod. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] Combined with Figure 1 , Figure 2 , a building crack detection device, combined with the attached Figure 1 , Figure 2 , a building crack detection device comprises a longitudinal rod 1, a fixed plate 2 is provided under the longitudinal rod 1, a slide groove 3 is provided in the longitudinal rod 1, a lifting rod 4 slidably connected to the longitudinal rod 1 is provided in the slide groove 3, a first screw rod 5 is rotatably provided in the slide groove 3, the first screw rod 5 is threadedly connected to the lifting rod 4, a first motor 6 is provided in the longitudinal rod 1 with an output shaft connected to the first screw rod 5, a top plate 7 is provided at the upper end of the lifting rod 4, a turntable 8 is rotatably provided behind the top plate 7, an angle adjustment mechanism is provided between the top plate 7 and the turntable 8, deflection plates 9 are symmetrically provided on both sides of the turntable 8, a through groove 10 is provided in the deflection plate 9, the through groove 10 extends into the turntable 8, and a clamping mechanism for fixing the detection tool is provided on the deflection plate 9, wherein the present invention needs to cooperate with various detection instruments used for building detection, such as crack width observation instrument, crack depth tester, ultrasonic detector, etc.

[0020] Combined with Figure 5A battery 11 is provided on the lower front side of the longitudinal rod 1, and the battery 11 is electrically connected to multiple motors through wires. A groove 12 for installing the detection instrument body is provided in front of the longitudinal rod 1 and located on the upper side of the battery 11. The lower front side of the groove 12 is convexly arranged upward. A pressure plate 13 is provided on the groove 12. Guide rods 14 are symmetrically provided on both sides of the pressure plate 13. The guide rods 14 extend into the longitudinal rod 1 and are slidably connected to the longitudinal rod 1. A spring 15 is provided between the longitudinal rod 1 and the guide rod 14. The body of the detection instrument is directly placed in the groove 12, and the pressure plate 13 is pushed upward to be reinforced under the reaction force of the spring 15.

[0021] Combined with Figure 4 The angle adjustment mechanism includes an annular groove 16 located on the inner side of the turntable 8, an annular tooth 17 is arranged in the annular groove 16, a rotating shaft 18 is rotatably provided on the top plate 7, a gear 19 meshing with the annular tooth 17 is arranged on the rotating shaft 18, and a second motor 20 connected with the rotating shaft 18 is arranged on the top plate 7. The angle adjustment mechanism can adjust the deflection position of the detection head and other tools inside the sleeve 22, so that the detection head can be quickly adjusted within the circumferential range.

[0022] Combined with Figure 3 The clamping mechanism includes a block 21 slidably connected to the through slot 10, a second screw rod 30 is rotatably provided in the through slot 10, and the second screw rod 30 is threadedly connected to the block 21, a sleeve 22 is provided in front of the block 21, and an arc-shaped clamping plate 23 is symmetrically provided in the sleeve 22, an adjusting bolt 24 is threadedly connected to the sleeve 22, and the adjusting bolt 24 is rotatably connected to the arc-shaped clamping plate 23, and rubber pads 25 are provided on the opposite sides of the arc-shaped clamping plate 23, and a third motor 26 is symmetrically provided in the turntable 8, and the output shafts of the third motor 26 are respectively connected to the screw rods on the same side. The clamping mechanism can clamp and fix tools such as the detection head, and the block 21 is driven to move in the through slot 10 by the rotation of the second screw rod 30, so as to adjust the distance between the two sleeves 22, so as to facilitate the coordinated use of the two detection heads and easy operation.

[0023] The block 21 is symmetrically provided with blocks 27 on the upper and lower sides, and the through slot 10 is provided with slots 28 on the upper and lower sides. The blocks 27 are respectively located in adjacent slots 28 and are slidably connected to the deflection plate 9. A wire groove 29 is provided under the sleeve 22 for placing the connecting cable of the detection tool.

[0024] During the specific implementation of the present invention, before detection, the detector body is inserted into the groove and the pressure plate is lifted upward, the detection head of the division is placed between the arc-shaped clamping plates in the sleeve, and the adjusting bolt is rotated to clamp and fix, and the crack position of the building is preliminarily located. During detection, the first motor is started to drive the first screw rod to rotate, and the moving rod slides upward in the slide groove to adjust the height of the top plate. The third motor is started to drive the second screw rod to rotate, and the distance between the sleeves is adjusted. The crack is detected by the detection head, and the third motor is started to drive the rotating shaft and the gear to rotate, thereby driving the turntable to rotate in front of the top plate, and the wall around the crack is detected in conjunction with the adjustment of the sleeve spacing and the adjustment of the top plate height.

[0025] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A building crack detection device, characterized in that: The invention comprises a longitudinal rod (1), a fixed plate (2) is provided below the longitudinal rod (1), a slide groove (3) is provided inside the longitudinal rod (1), a lifting rod (4) slidably connected to the longitudinal rod (1) is provided inside the slide groove (3), a first screw rod (5) is rotatably provided inside the slide groove (3), the first screw rod (5) is threadedly connected to the lifting rod (4), a first motor (6) whose output shaft is connected to the first screw rod (5) is provided inside the longitudinal rod (1), a top plate (7) is provided at the upper end of the lifting rod (4), a rotating plate (8) is rotatably provided behind the top plate (7), an angle adjustment mechanism is provided between the top plate (7) and the rotating plate (8), deflection plates (9) are symmetrically provided on both sides of the rotating plate (8), a through groove (10) is provided inside the deflection plate (9), the through groove (10) extends into the rotating plate (8), and a clamping mechanism for fixing the detection tool is provided on the deflection plate (9).

2. A building crack detection device according to claim 1, characterized in that: A battery (11) is provided at the lower front side of the longitudinal rod (1); a groove (12) for mounting a detection instrument body is provided at the front side of the longitudinal rod (1) and located above the battery (11); a pressure plate (13) is provided above the groove (12); guide rods (14) are symmetrically provided on both sides of the pressure plate (13); the guide rods (14) extend into the longitudinal rod (1) and are slidably connected to the longitudinal rod (1); a spring (15) is provided between the longitudinal rod (1) and the guide rod (14).

3. A building crack detection device according to claim 1, characterized in that: The angle adjustment mechanism comprises an annular groove (16) located on the inner side of the rotating disk (8), an annular tooth (17) is arranged in the annular groove (16), a rotating shaft (18) is rotatably arranged on the top disk (7), a gear (19) meshing with the annular tooth (17) is arranged on the rotating shaft (18), and a second motor (20) is arranged on the top disk (7) with an output shaft connected to the rotating shaft (18).

4. A building crack detection device according to claim 1, characterized in that: The clamping mechanism comprises a block (21) slidably connected to the through slot (10), a second screw rod (30) rotatably arranged in the through slot (10), the second screw rod (30) being threadedly connected to the block (21), a sleeve (22) being arranged in front of the block (21), an arc-shaped clamping plate (23) being symmetrically arranged in the sleeve (22), an adjusting bolt (24) being threadedly connected to the sleeve (22), the adjusting bolt (24) being rotatably connected to the arc-shaped clamping plate (23), rubber pads (25) being arranged on opposite sides of the arc-shaped clamping plate (23), a third motor (26) being symmetrically arranged in the turntable (8), the output shafts of the third motor (26) being respectively connected to the screw rods on the same side.

5. A building crack detection device according to claim 4, characterized in that: The block (21) is symmetrically provided with clamping blocks (27) on the upper and lower sides, the through slot (10) is provided with clamping slots (28) on the upper and lower sides, the clamping blocks (27) are respectively located in adjacent clamping slots (28) and are slidably connected to the deflection plate (9), and a wire groove (29) is provided below the sleeve (22).

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