A concrete structure surface crack detection device

Abstract

The utility model belongs to the field of municipal engineering detection technology, specifically a concrete structure surface crack detection device, including a bottom plate, the upper end of the bottom plate is fixedly connected to a vertical plate, the upper end of the bottom plate is connected to a movable plate through a lifting mechanism, the movable plate is slidably connected to the vertical plate, the upper end of the movable plate is connected to a fixed frame through an angle adjustment mechanism, a crack detector is fixedly installed inside the fixed frame, a driving mechanism is installed on the upper end of the movable plate, and the driving mechanism is connected to an angle adjustment component to provide working power to the angle adjustment component. The utility model facilitates adjusting the angle of the crack detector so that the crack detector can be used to perform detection operations on multiple surfaces of a building.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal engineering detection, in particular to a concrete structure surface crack detection device. Background Art

[0002] The construction of various public infrastructure supporting urban life falls into the category of municipal engineering, such as common urban roads, bridges, subways, underground pipelines, tunnels, rivers, rail transit, sewage treatment and garbage disposal projects. After the construction of municipal infrastructure is completed, it is necessary to detect cracks on the concrete surface of related buildings of municipal infrastructure after long-term use.

[0003] After searching, the utility model patent with publication number CN219830958U discloses a concrete structure crack detection device, which is equipped with a motor, a rotating rod, a slider and a traction rope through a fixing bolt. The motor drives the rotating rod to rotate through the electromagnetic effect, thereby driving the slider to move up and down through the traction rope, and then drives the indirectly connected ultrasonic detector to move up and down to adjust the gap detection height of the device.

[0004] However, the angle of the detector of the above device is fixed. When the concrete on the surface of the building needs to be inspected, the wall perpendicular to the detector can be inspected, while other surfaces of the building are not convenient to inspect, which makes the practicability of the device low. Summary of the invention

[0005] The utility model aims to provide a concrete structure surface crack detection device, which is convenient for adjusting the angle of a crack detector so as to use the crack detector to perform detection operations on multiple surfaces of a building.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a surface crack detection device for a concrete structure, comprising a base plate, the upper end of the base plate is fixedly connected to a vertical plate, the upper end of the base plate is connected to a movable plate through a lifting mechanism, the movable plate is slidably connected to the vertical plate, the upper end of the movable plate is connected to a fixed frame through an angle adjustment mechanism, a crack detector is fixedly installed inside the fixed frame, a driving mechanism is installed on the upper end of the movable plate, and the driving mechanism is connected to an angle adjustment component to provide working power to the angle adjustment component.

[0007] The two gears are meshed with the two racks respectively.

[0008] Optionally, the driving mechanism includes a second motor, a driving wheel, a driven wheel and a belt. The upper end of the movable plate is fixedly connected to the second motor, the output shaft end of the second motor is fixedly connected to the driving wheel, the rear ends of the two threaded rods are fixedly connected to the driven wheels, and the driving wheel and the driven wheel are connected by a belt.

[0009] Optionally, the lifting mechanism includes a first motor, a retractable roller and a guide wheel, the upper end of the base plate is fixedly connected to the first motor, the output shaft end of the first motor is fixedly connected to the retractable roller, the circumferential surface of the retractable roller is wrapped with a chain, the upper end of the base plate and the upper end of the vertical plate are fixedly connected to the guide wheel, the chain extends along the guide wheel to the front end of the vertical plate, and the end of the chain away from the retractable roller is fixedly connected to the movable plate.

[0010] Optionally, a plurality of universal wheels are fixedly connected to the lower end of the base plate.

[0011] Optionally, the upper end of the base plate is fixedly connected to a support seat, and the retractable roller passes through the support seat and is rotatably connected to the support seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides working power to the angle adjustment mechanism by controlling the operation of the driving mechanism. The angle adjustment mechanism can adjust the angle of the fixing frame, thereby adjusting the angle of the crack detector, so that the crack detector can be used to detect multiple surfaces of the building, thereby improving the practicality of the utility model.

[0014] 2. The utility model plays a role in adjusting the height of the movable plate under the action of the lifting mechanism, so that the height of the crack detector can be adjusted, so that the crack detector can be used to detect cracks at different heights of the wall of the building. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0017] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 3 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0019] Figure 4 It is a top view of the three-dimensional structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the three-dimensional structure viewed from above after the right side partial section.

[0021] In the figure: 1, bottom plate; 2, vertical plate; 3, first motor; 4, retractable roller; 5, guide wheel; 6, chain; 7, movable plate; 8, guide rail; 9, crack detector; 10, rack; 11, first bearing seat; 12, fixed frame; 13, gear; 14, rotating shaft; 15, sliding plate; 16, movable seat; 17, threaded rod; 18, sliding hole; 19, second bearing seat; 20, driving wheel; 21, driven wheel; 22, second motor; 23, belt. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.

[0024] Now, the utility model embodiment Figure 1-Figure 5 A concrete structure surface crack detection device is provided for explanation. A concrete structure surface crack detection device comprises a bottom plate 1, the upper end of the bottom plate 1 is fixedly connected to a vertical plate 2, the upper end of the bottom plate 1 is connected to a movable plate 7 through a lifting mechanism, the movable plate 7 is slidably connected to the vertical plate 2, the upper end of the movable plate 7 is connected to a fixed frame 12 through an angle adjustment mechanism, a crack detector 9 is fixedly installed inside the fixed frame 12, a driving mechanism is installed on the upper end of the movable plate 7, and the driving mechanism is connected to an angle adjustment component to provide working power to the angle adjustment component.

[0025] The utility model provides a concrete structure surface crack detection device. Compared with the prior art, the angle adjustment mechanism is provided with working power by controlling the operation of the driving mechanism. The angle adjustment mechanism can adjust the angle of the fixing frame 12, thereby adjusting the angle of the crack detector 9, so that the crack detector 9 can be used to detect multiple surfaces of the building, thereby improving the practicality of the utility model.

[0026] In another embodiment of the present invention, please refer to Figure 1 , Figures 3 to 5The angle adjustment mechanism includes a rack 10, a moving seat 16, a sliding plate 15, a guide rail 8, a second bearing seat 19, a threaded rod 17, a sliding hole 18, a rotating shaft 14 and a gear 13. The upper end of the moving plate 7 is fixedly connected to two guide rails 8 distributed on the left and right. The sliding plates 15 are slidably connected inside the two guide rails 8. The upper ends of the two sliding plates 15 are fixedly connected to the rack 10. The left and right ends of the moving plate 7 are fixedly connected to the first bearing seat 11. The interiors of the two first bearing seats 11 are rotatably connected to the rotating shaft 14. The two rotating shafts 14 are respectively fixedly mounted on the left and right sides of the fixed frame 12. At the right two ends, the circumferential surfaces of the two rotating shafts 14 are fixedly connected with gears 13, and the two gears 13 are meshed with the two racks 10 respectively. The lower end surface of the moving plate 7 is provided with a sliding hole 18, and the sliding hole 18 penetrates the guide rail 8 upwards. The inside of the sliding hole 18 is slidably connected with a moving seat 16, and the moving seat 16 is fixedly installed at the bottom end of the sliding plate 15. The lower end of the moving plate 7 is fixedly connected with two groups of second bearing seats 19, and the insides of the two groups of second bearing seats 19 are rotatably connected with threaded rods 17, which penetrate the moving seat 16, and the moving seat 16 is threadedly connected with the threaded rod 17. When working, the threaded rod 17 rotates, so that the moving seat 16 drives the sliding plate 15 to move along the sliding hole 18, thereby driving the rack 10 to move, the rack 10 drives the gear 13 to rotate, and the gear 13 drives the rotating shaft 14 to rotate, thereby driving the fixed frame 12 and the crack detector 9 to rotate around the rotating shaft 14, so as to achieve the angle adjustment of the crack detector 9, so that the crack detector 9 can be used to detect multiple surfaces of the building.

[0027] In another embodiment of the present invention, please refer to Figure 1 and Figure 2 The driving mechanism includes a second motor 22, a driving wheel 20, a driven wheel 21 and a belt 23. The upper end of the movable plate 7 is fixedly connected with the second motor 22, the output shaft end of the second motor 22 is fixedly connected with the driving wheel 20, the rear ends of the two threaded rods 17 are fixedly connected with the driven wheels 21, and the driving wheel 20 and the driven wheel 21 are connected by the belt 23. When the second motor 22 is working, the output shaft of the second motor 22 drives the driving wheel 20 to rotate, and under the action of the belt 23, the driven wheel 21 is driven to rotate, and the driven wheel 21 drives the threaded rod 17 to rotate, so the driving mechanism can provide working power for the rotation of the threaded rod 17.

[0028] In another embodiment of the present invention, refer to Figure 1The lifting mechanism includes a first motor 3, a retractable roller 4 and a guide wheel 5. The upper end of the bottom plate 1 is fixedly connected to the first motor 3, the output shaft end of the first motor 3 is fixedly connected to the retractable roller 4, the circumferential surface of the retractable roller 4 is wound with a chain 6, the upper end of the bottom plate 1 and the upper end of the vertical plate 2 are fixedly connected to the guide wheel 5, the chain 6 extends along the guide wheel 5 to the front end of the vertical plate 2, and the end of the chain 6 away from the retractable roller 4 is fixedly connected to the movable plate 7. The upper end of the bottom plate 1 is fixedly connected to the support seat, and the retractable roller 4 penetrates the support seat and is rotatably connected to the support seat. When working, the first motor 3 works, and the output shaft of the first motor 3 drives the retractable roller 4 to rotate, thereby driving the chain 6 to be gradually reeled and unreeled, and then driving the movable plate 7 to move up or down along the vertical plate 2, so as to adjust the height of the movable plate 7, and at the same time, the height of the crack detector 9 is adjusted, so that the crack detector 9 can be used to detect cracks at different heights of the wall of the building.

[0029] In another embodiment of the present invention, please refer to Figure 1 and Figure 3 A plurality of universal wheels are fixedly connected to the lower end of the bottom plate 1. When working, the universal wheels facilitate the movement of the utility model.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting cracks on a concrete structure surface, comprising a bottom plate (1), characterized in that: The upper end of the bottom plate (1) is fixedly connected to the vertical plate (2), the upper end of the bottom plate (1) is connected to a movable plate (7) via a lifting mechanism, the movable plate (7) is slidably connected to the vertical plate (2), the upper end of the movable plate (7) is connected to a fixed frame (12) via an angle adjustment mechanism, a crack detector (9) is fixedly installed inside the fixed frame (12), the upper end of the movable plate (7) is installed with a driving mechanism, and the driving mechanism is connected to an angle adjustment component for providing working power to the angle adjustment component.

2. A concrete structure surface crack detection device as claimed in claim 1, characterized in that: The angle adjustment mechanism comprises a rack (10), a movable seat (16), a sliding plate (15), a guide rail (8), a second bearing seat (19), a threaded rod (17), a sliding hole (18), a rotating shaft (14) and a gear (13); the upper end of the movable plate (7) is fixedly connected to two guide rails (8) distributed on the left and right; the interiors of the two guide rails (8) are both slidably connected to the sliding plates (15); the upper ends of the two sliding plates (15) are fixedly connected to the rack (10); the left and right ends of the movable plate (7) are fixedly connected to the first bearing seat (11); the interiors of the two first bearing seats (11) are both rotatably connected to the rotating shaft (14); the two rotating shafts (14) are respectively fixedly mounted on the left and right sides of the fixed frame (12). At both ends, the circumferential surfaces of the two rotating shafts (14) are fixedly connected with gears (13), and the two gears (13) are respectively meshed with the two racks (10). The lower end surface of the movable plate (7) is provided with a sliding hole (18), and the sliding hole (18) penetrates the guide rail (8) upwards. The interior of the sliding hole (18) is slidably connected with a movable seat (16), and the movable seat (16) is fixedly installed on the bottom end of the sliding plate (15). The lower end of the movable plate (7) is fixedly connected with two groups of second bearing seats (19), and the interiors of the two groups of second bearing seats (19) are rotatably connected with threaded rods (17), and the threaded rods (17) penetrate the movable seat (16), and the movable seat (16) and the threaded rods (17) are threadedly matched and connected.

3. A concrete structure surface crack detection device as claimed in claim 2, characterized in that: The driving mechanism comprises a second motor (22), a driving wheel (20), a driven wheel (21) and a belt (23); the upper end of the movable plate (7) is fixedly connected to the second motor (22); the output shaft end of the second motor (22) is fixedly connected to the driving wheel (20); the rear ends of the two threaded rods (17) are fixedly connected to the driven wheel (21); and the driving wheel (20) and the driven wheel (21) are connected via a belt (23).

4. A concrete structure surface crack detection device as claimed in claim 1, characterized in that: The lifting mechanism comprises a first motor (3), a retractable roller (4) and a guide wheel (5); the upper end of the base plate (1) is fixedly connected to the first motor (3); the output shaft end of the first motor (3) is fixedly connected to the retractable roller (4); a chain (6) is wound around the circumferential surface of the retractable roller (4); the upper end of the base plate (1) and the upper end of the vertical plate (2) are both fixedly connected to the guide wheel (5); the chain (6) extends along the guide wheel (5) to the front end of the vertical plate (2); and the end of the chain (6) away from the retractable roller (4) is fixedly connected to the movable plate (7).

5. A concrete structure surface crack detection device as claimed in claim 1, characterized in that: The lower end of the base plate (1) is fixedly connected to a plurality of universal wheels.

6. A concrete structure surface crack detection device as claimed in claim 4, characterized in that: The upper end of the bottom plate (1) is fixedly connected to a support seat, and the retractable roller (4) passes through the support seat and is rotatably connected to the support seat.

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