Structural crack detection device for high-rise building
By combining servo motor-driven worm gear and worm wheel meshing transmission with a buffer mechanism, the problem of insufficient height adaptability of high-rise building crack detection equipment is solved, achieving accurate detection and equipment stability across the entire height range, and improving the reliability of detection data and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN WENAN ENGINEERING TECHNOLOGY CO LTD
- Filing Date
- 2025-09-04
- Publication Date
- 2026-05-26
AI Technical Summary
Existing crack detection equipment is not adaptable enough to high-rise buildings, making it difficult to cover the entire height range, resulting in inaccurate detection and potential safety hazards.
A height adjustment mechanism driven by a servo motor and meshing with a worm gear is used, combined with a buffer mechanism, to achieve precise height adjustment and stable contact of the detection head, thus preventing equipment damage.
It enables precise crack detection across the entire height range of high-rise buildings, reducing detection errors, extending equipment lifespan, and improving the reliability and stability of detection data.
Smart Images
Figure CN224284166U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building engineering technology, specifically to a structural crack detection device for high-rise buildings. Background Technology
[0002] With the accelerating pace of urbanization, high-rise buildings are accounting for an increasingly larger proportion of urban architecture, and their structural safety is directly related to the safety of people's lives and property. Structural cracks are a common safety hazard in high-rise buildings. If not detected and assessed in a timely manner, they may expand over time, affecting the overall structural stability of the building and even causing serious safety accidents. Therefore, regular and accurate inspection of structural cracks in high-rise buildings is crucial.
[0003] However, existing crack detection equipment has significant limitations in terms of height adaptability. Traditional equipment mostly uses fixed supports or simple lifting platforms, which have limited height adjustment range and cannot cover the crack detection needs of high-rise buildings across their entire height range. Utility Model Content
[0004] The purpose of this invention is to provide a structural crack detection device for high-rise buildings to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a structural crack detection device for high-rise buildings, comprising a base and a detection instrument body, wherein universal wheels are symmetrically and fixedly connected to the bottom of the base, a push handle is fixedly connected to the left side of the top of the base, a height adjustment mechanism is provided on the top of the base, and a buffer mechanism is provided on the top of the height adjustment mechanism.
[0006] The height adjustment mechanism includes a fixed base, which is fixedly connected to the top of the base. A fixed cylinder is fixedly connected to the top of the fixed base. A servo motor is fixedly connected to the front of the fixed cylinder near the bottom right side. A worm gear is fixedly connected to the output end of the servo motor. Lead screws are rotatably connected to the upper and lower sides of the inner wall of the fixed cylinder. A worm wheel is fixedly connected to the surface of the lead screw near the bottom end. A lifting plate is threaded onto the surface of the lead screw. Limit rods are symmetrically fixed to the upper and lower sides of the inner wall of the fixed cylinder. Lifting columns are symmetrically fixed to the top of the lifting plate.
[0007] Preferably, the rear end of the worm gear is rotatably connected to the back side of the inner wall of the fixed cylinder near the bottom.
[0008] Preferably, the worm gear meshes with the worm wheel, and the top front and rear sides of the lifting plate are provided with holes that match the limiting rod. The lifting plate is slidably connected to the surface of the limiting rod through the holes, and the limiting rod limits the lifting plate, so that the lifting plate moves up and down with the rotation of the lead screw.
[0009] Preferably, the top of the fixed cylinder has a groove that matches the lifting column, and the surface of the lifting column is slidably connected to the groove.
[0010] Preferably, the buffer mechanism includes a connecting seat, which is fixedly connected to the top of four lifting columns. A load-bearing block is fixedly connected to the bottom left side of the connecting seat, and a housing is fixedly connected to the top right side of the connecting seat. Guide rods are symmetrically fixedly connected to the front and rear sides of the inner wall of the housing, close to the left side. Two guide rods are symmetrically slidably connected to the surfaces of the two guide rods. Springs are sleeved between the inner wall of the housing and the two first hinge frames on the surfaces of the two guide rods. Hinge rods are hinged to the two first hinge frames. Second hinge frames are hinged to the other ends of the two hinge rods. A connecting plate is fixedly connected to the right side of the two second hinge frames. A sliding column is fixedly connected to the right side of the connecting plate. A detection head body is fixedly connected to the right side of the sliding column.
[0011] Preferably, one end of the spring is fixedly connected to the inner wall of the box, and the other end of the spring is connected to one side of the first hinge frame. The detection head body and the detection instrument body are connected by a connecting line.
[0012] Preferably, the right side of the box body has a groove that matches the sliding column, and the surface of the sliding column is penetrated and slidably connected to the groove.
[0013] Preferably, the detector body and the detector head body are integrated, and the model is HC-F900.
[0014] Compared with the prior art, this utility model provides a structural crack detection device for high-rise buildings, which has the following beneficial effects:
[0015] This structural crack detection device for high-rise buildings uses a servo motor to drive a worm gear, which in turn drives a lead screw to rotate through the meshing transmission between the worm and the worm wheel. Under the constraint of a limit rod, the lifting plate can move stably up and down with the lifting column, thereby precisely adjusting the height of the detection head. This mechanical transmission method not only has high adjustment accuracy and can adapt to the structural crack detection needs of high-rise buildings at different heights, but also operates stably and reliably, avoiding errors that may occur with manual adjustment. It ensures that the detection head can be accurately aligned with the detection area, improving the reliability of the detection data.
[0016] In this structural crack detection device for high-rise buildings, when the detection head body contacts the surface of the building structure, the sliding column drives the connecting plate and the second hinge frame to move, causing the hinge rod to push the first hinge frame to slide on the guide rod. At this time, the spring deforms and generates a reverse elastic force, which can effectively buffer the impact force. This design not only avoids damage to the detection head body due to direct force and extends the service life of the equipment, but also reduces the interference of external forces on the detection process, ensures the stability of the contact between the detection head and the structural surface, and is conducive to obtaining more accurate crack detection data. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;
[0019] Figure 2 This is a three-dimensional sectional view of the front of the structural fixing cylinder of this utility model;
[0020] Figure 3 This is a three-dimensional schematic diagram of the lead screw and worm gear of this utility model;
[0021] Figure 4 This is a three-dimensional schematic diagram of the worm gear and lifting plate of this utility model;
[0022] Figure 5 This is a three-dimensional sectional view of the front and top of the structural box of this utility model;
[0023] Figure 6 This is a three-dimensional schematic diagram of the first and second hinge frames of the present invention.
[0024] In the diagram: 1. Base; 2. Casters; 3. Push handle; 4. Detector body; 5. Height adjustment mechanism; 51. Fixed seat; 52. Fixed cylinder; 53. Servo motor; 54. Worm gear; 55. Lead screw; 56. Worm wheel; 57. Lifting plate; 58. Limiting rod; 59. Lifting column; 6. Buffer mechanism; 61. Connecting seat; 62. Load-bearing block; 63. Housing; 64. Guide rod; 65. First hinge frame; 66. Spring; 67. Hinge rod; 68. Second hinge frame; 69. Connecting plate; 611. Sliding column; 612. Detector head body. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0027] This utility model provides the following technical solution: Example 1
[0028] Please see Figure 1-4 This utility model provides a technical solution: a structural crack detection device for high-rise buildings, including a base 1 and a detector body 4. The bottom of the base 1 is symmetrically and fixedly connected with casters 2. The top left side of the base 1 is fixedly connected with a push handle 3. The top of the base 1 is provided with a height adjustment mechanism 5. The top of the height adjustment mechanism 5 is provided with a buffer mechanism 6.
[0029] The height adjustment mechanism 5 includes a fixed base 51, which is fixedly connected to the top of the base 1. A fixed cylinder 52 is fixedly connected to the top of the fixed base 51. A servo motor 53 is fixedly connected to the right side of the front of the fixed cylinder 52 near the bottom. A worm gear 54 is fixedly connected to the output end of the servo motor 53. A lead screw 55 is rotatably connected to the upper and lower sides of the inner wall of the fixed cylinder 52. A worm wheel 56 is fixedly connected to the surface of the lead screw 55 near the bottom. A lifting plate 57 is threadedly connected to the surface of the lead screw 55. Limit rods 58 are symmetrically fixed to the upper and lower sides of the inner wall of the fixed cylinder 52. Lifting columns 59 are symmetrically fixed to the top of the lifting plate 57 in all directions.
[0030] The rear end of the worm gear 54 is rotatably connected to the back of the inner wall of the fixed cylinder 52 near the bottom.
[0031] The worm 54 meshes with the worm wheel 56. The top front and rear sides of the lifting plate 57 are provided with holes that match the limiting rod 58. The lifting plate 57 is slidably connected to the surface of the limiting rod 58 through the holes. The limiting rod 58 limits the lifting plate 57, so that the lifting plate 57 moves up and down with the rotation of the lead screw 55.
[0032] The top of the fixed cylinder 52 has a groove that matches the lifting column 59, and the surface of the lifting column 59 is penetrated and slidably connected to the groove. Example 2
[0033] Please see Figure 5-6 Furthermore, based on Example 1, a buffer mechanism 6 is obtained.
[0034] The buffer mechanism 6 includes a connecting seat 61, which is fixedly connected to the top of four lifting columns 59. A load-bearing block 62 is fixedly connected to the bottom left side of the connecting seat 61, and a box 63 is fixedly connected to the top right side of the connecting seat 61. Guide rods 64 are symmetrically fixedly connected to the front and rear sides of the inner wall of the box 63 near the left side. First hinge frames 65 are symmetrically slidably connected to the surfaces of the two guide rods 64. Springs 66 are sleeved between the inner wall of the box 63 and the two first hinge frames 65 on the surfaces of the two guide rods 64. Hinge rods 67 are hinged inside the two first hinge frames 65. Second hinge frames 68 are hinged to the other ends of the two hinge rods 67. A connecting plate 69 is fixedly connected to the right side of the two second hinge frames 68. A sliding column 611 is fixedly connected to the right side of the connecting plate 69. A detection head body 612 is fixedly connected to the right side of the sliding column 611.
[0035] One end of the spring 66 is fixedly connected to the inner wall of the housing 63, and the other end of the spring 66 is connected to one side of the first hinge frame 65. The detection head body 612 and the detection instrument body 4 are connected by a connecting line.
[0036] The right side of the housing 63 has a groove that matches the sliding column 611, and the surface of the sliding column 611 is penetrated and slidably connected to the groove.
[0037] In actual operation, when this device is used, firstly, during the movement phase, the universal wheels 2, which are symmetrically fixed at the bottom of the base 1, along with the push handle 3 on the top left side of the base 1, allow the inspector to easily move the entire device and transport it to the target area of a high-rise building where structural crack detection is required, thus achieving flexible deployment of the device. When entering the height adjustment phase, the height adjustment mechanism 5 begins to function. The fixed base 51 is fixed to the top of the base 1, providing stable support for the entire height adjustment mechanism 5. The servo motor 53, located on the right side near the bottom of the front of the fixed cylinder 52, is activated. The output end of the servo motor 53 drives the worm gear 54 to rotate. Since the rear end of the worm gear 54 is rotatably connected to the back of the inner wall of the fixed cylinder 52 near the bottom, and the worm gear 54 meshes with the worm wheel 56 near the bottom of the lead screw 55, the worm gear 54... The rotation of 4 will drive the worm gear 56 to rotate synchronously, which in turn drives the lead screw 55 to rotate under the rotational connection of the upper and lower sides of the inner wall of the fixed cylinder 52. The lifting plate 57, which is threaded to the surface of the lead screw 55, has holes on the front and rear sides of the top that match the limiting rods 58 that are symmetrically fixed on the upper and lower sides of the inner wall of the fixed cylinder 52. The lifting plate 57 is slidably connected to the surface of the limiting rods 58 through the holes. Under the limiting and guiding action of the limiting rods 58, the lifting plate 57 cannot rotate with the lead screw 55, but can only move up and down along the lead screw 55 and the limiting rods 58. The lifting column 59, which is symmetrically fixed on the front, rear, left and right sides of the top of the lifting plate 57, passes through the matching groove opened on the top of the fixed cylinder 52 and slides up and down, thereby driving the buffer mechanism 6 and the detection head body 612 at the top to achieve precise height adjustment to adapt to the detection requirements of different heights.
[0038] When crack detection is performed, the buffer mechanism 6 starts to work. The connecting seat 61 is fixed to the top of the four lifting columns 59, and the load-bearing block 62 on the bottom left side of the connecting seat 61 ensures the stability of the overall structure. The box 63 on the top right side of the connecting seat 61 provides installation space for the buffer mechanism 6. The detection head body 612 is connected to the connecting plate 69 inside the box 63 through the sliding column 611, and the detection head body 612 and the detection instrument body 4 realize data transmission through the connecting cable. When the detection head body 612 comes into contact with the building structure surface or is impacted by an external force, the sliding column 611 will slide left and right along the matching groove opened on the right side of the box 63, driving the connecting plate 69 and the second hinge frame 68 on the right side to move. The second hinge frame 68 pushes the first hinge frame 65 to slide on the guide rods 64 that are symmetrically fixed on the left side of the inner wall of the box 63 through the hinge rod 67. At this time, the spring 66 on the surface of the guide rod 64 between the inner wall of the box 63 and the first hinge frame 65 is compressed. The reverse elastic force generated by the spring 66 will be transmitted to the sliding column 611 and the detection head body 612 through the first hinge frame 65, the hinge rod 67, the second hinge frame 68 and the connecting plate 69, effectively buffering the impact of external forces, ensuring stable contact between the detection head body 612 and the structural surface, and protecting the detection head body 612 from damage. The crack detection data obtained by the detection head body 612 is transmitted to the detection instrument body 4 through the connecting line to complete the detection of cracks in the high-rise building structure.
[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. A structural crack detection device for high-rise buildings, comprising a base (1) and a detection instrument body (4), characterized in that: The base (1) has casters (2) fixedly connected symmetrically to the bottom front, back and left and right. The base (1) has a push handle (3) fixedly connected to the top left side. The base (1) has a height adjustment mechanism (5) on top. The height adjustment mechanism (5) has a buffer mechanism (6) on top. The height adjustment mechanism (5) includes a fixed base (51), which is fixedly connected to the top of the base (1). A fixed cylinder (52) is fixedly connected to the top of the fixed base (51). A servo motor (53) is fixedly connected to the right side of the front of the fixed cylinder (52) near the bottom. A worm gear (54) is fixedly connected to the output end of the servo motor (53). A lead screw (55) is rotatably connected to the upper and lower sides of the inner wall of the fixed cylinder (52). A worm wheel (56) is fixedly connected to the surface of the lead screw (55) near the bottom. A lifting plate (57) is threadedly connected to the surface of the lead screw (55). Limit rods (58) are symmetrically fixedly connected to the upper and lower sides of the inner wall of the fixed cylinder (52). Lifting columns (59) are symmetrically fixedly connected to the top of the lifting plate (57) in the front, back, left and right.
2. The structural crack detection device for high-rise buildings according to claim 1, characterized in that: The rear end of the worm (54) is rotatably connected to the back side of the inner wall of the fixed cylinder (52) near the bottom.
3. The structural crack detection device for high-rise buildings according to claim 1, characterized in that: The worm (54) meshes with the worm wheel (56), and the lifting plate (57) has holes on the front and rear sides of the top that match the limiting rod (58), and the lifting plate (57) slides up and down to the surface of the limiting rod (58) through the holes.
4. The structural crack detection device for high-rise buildings according to claim 1, characterized in that: The top of the fixed cylinder (52) is provided with a groove that matches the lifting column (59), and the surface of the lifting column (59) is connected to the groove by sliding up and down.
5. The structural crack detection device for high-rise buildings according to claim 1, characterized in that: The buffer mechanism (6) includes a connecting seat (61), which is fixedly connected to the top of four lifting columns (59). A load-bearing block (62) is fixedly connected to the bottom left side of the connecting seat (61), and a box (63) is fixedly connected to the top right side of the connecting seat (61). Guide rods (64) are symmetrically fixedly connected to the front and rear sides of the inner wall of the box (63) near the left side. A first hinge frame (65) is symmetrically slidably connected to the surfaces of the two guide rods (64). 64) A spring (66) is sleeved between the inner wall of the box (63) and the two first hinge frames (65). A hinge rod (67) is hinged in the two first hinge frames (65). A second hinge frame (68) is hinged at the other end of the two hinge rods (67). A connecting plate (69) is fixedly connected to the right side of the two second hinge frames (68). A sliding column (611) is fixedly connected to the right side of the connecting plate (69). A detection head body (612) is fixedly connected to the right side of the sliding column (611).
6. The structural crack detection device for high-rise buildings according to claim 5, characterized in that: One end of the spring (66) is fixedly connected to the inner wall of the box (63), and the other end of the spring (66) is connected to one side of the first hinge frame (65). The detection head body (612) and the detection instrument body (4) are connected by a connecting line.
7. A structural crack detection device for high-rise buildings according to claim 5, characterized in that: The right side of the box (63) is provided with a groove that matches the sliding column (611), and the surface of the sliding column (611) is connected to the groove by sliding left and right.