Foundation pile perpendicularity detection device

Abstract

The utility model relates to the technical field of engineering detection devices, in particular to a foundation pile perpendicularity detection device which comprises a connecting part, a cable is arranged at one end of the connecting part, and a detection assembly is arranged on the connecting part. The multiple pulleys are arranged on the periphery of the connecting part in the circumferential direction, the pulleys are in rolling fit with the inner side wall of the precast pile, two connecting rods are hinged to one pulley, the ends, away from the pulleys, of the connecting rods are hinged to the connecting part through supporting plates, and the distance between the two supporting plates corresponding to one pulley can be adjusted; according to the detection device, the cable is controlled to be wound and unwound through the automatic take-up reel, automatic traction, winding, unwinding and control of the detection device are achieved, various detection devices are arranged, a controller is matched, the detection process can be controlled, and detection data can be output in real time; the device is suitable for rapid detection of the verticality of the precast pile before or after the precast pile is installed.

Description

Technical Field

[0001] This application relates to the field of engineering testing equipment technology, and in particular to a pile verticality testing device. Background Technology

[0002] Pile foundations are widely used in construction projects due to their high bearing capacity, reliability, and wide applicability. Precast piles, in particular, offer advantages such as high pile strength, guaranteed quality, mature pile driving technology, high construction efficiency, minimal environmental impact, and relatively low construction noise and vibration, playing a vital role in municipal, transportation, water conservancy, and building construction.

[0003] Among them, the factors affecting the construction quality of precast piles are numerous and complex. Incomplete geotechnical theory, the quality of precast pile forming, omissions in the survey report, unexplored geological conditions, and incorrect operation in the pile driving process may all lead to insufficient bearing capacity of the foundation piles, endangering the safe use of the superstructure.

[0004] Therefore, the evaluation of the construction quality of precast piles has become particularly important. Among them, the verticality, integrity, and splicing quality of the pile body are important indicators for evaluating the construction quality of the foundation piles. They are crucial to the stability and quality of the pile foundation and the overall building. Therefore, how to quickly and accurately detect indicators such as verticality on the construction site has become a key problem that urgently needs to be solved. Utility Model Content

[0005] The technical problem to be solved by this utility model is: how to quickly measure the verticality inside a precast pile.

[0006] Therefore, this utility model provides a pile verticality detection device to quickly detect the verticality of precast piles on the construction site. This device can be used not only before the precast pile is installed, but also after the precast pile is installed to detect the verticality of the precast pile, so as to find deficiencies in time, take remedial measures, and accumulate valuable experience for subsequent construction.

[0007] The technical solution adopted by this utility model to solve its technical problem is:

[0008] A pile verticality testing device, comprising:

[0009] A connecting part, one end of which is provided with a cable, and a detection component is provided on the connecting part;

[0010] Multiple pulleys are arranged circumferentially around the connecting part. The pulleys roll in cooperation with the inner wall of the precast pile. Two connecting rods are hinged to one of the pulleys. The end of the connecting rod away from the pulley is hinged to the connecting part through a support plate. The distance between the two support plates corresponding to one pulley is adjustable. A spring is provided between the two support plates.

[0011] Furthermore, the connecting part includes a connecting rod and a connecting cylinder. The connecting rod is coaxially inserted into the connecting cylinder and slides coaxially with the connecting cylinder. Two support plates corresponding to one pulley are respectively disposed on the connecting rod and the connecting cylinder.

[0012] Furthermore, there are two connecting parts, which are arranged along the relative sliding direction of the connecting rod and the connecting cylinder, and each connecting part is provided with multiple pulleys circumferentially on its outer side.

[0013] Furthermore, a sliding groove and a slider are provided between the connecting rod and the connecting cylinder to guide their relative sliding. The sliding groove is provided on the inner side wall of the connecting cylinder, and the slider is provided on the outer side wall of the connecting rod.

[0014] Furthermore, a deformation sensor is provided on the spring.

[0015] Furthermore, a gyroscope positioning device is provided at the end of the connection that is away from the cable.

[0016] Furthermore, the end of the gyroscope positioning device away from the connecting part is provided with a buffer head.

[0017] Furthermore, it also includes an automatic take-up reel, which is used to wind or unwind the cable, and the outer side wall of the cable is provided with scale lines.

[0018] Furthermore, the detection components include a camera and a searchlight.

[0019] Furthermore, it also includes a controller, which is connected to the detection components, deformation sensor, automatic take-up reel, and gyroscope positioning device.

[0020] The beneficial effects of this utility model are that this application uses an automated reel to control the cable winding and unwinding, thereby realizing the automated traction, winding and unwinding, and control of the detection device; this device is equipped with a gyroscope device, which can provide feedback on the device status and the angle between the axis and the plumb bob direction; it is equipped with a camera (wide-angle, magnified) and lighting equipment, which can take pictures and record the damage to the pile body when moving inside the precast pile; combined with image analysis, it can calculate information such as the length and width of cracks; and with the controller, it can control the detection process and output detection data in real time.

[0021] This device features two sets of pulleys, four in each set, hinged to the device. Springs are mounted on the underside of the pulleys to maintain the device's stability and ensure it remains close to the inner wall of the precast pile during movement. By sliding back and forth, the pulleys remain pressed against the pile wall as the device moves within the pile hole. Deformation sensors are installed on the springs to measure the device's expansion and contraction. Combined with the pulley support plate length and pulley diameter, the pipe wall inclination can be calculated. Therefore, this device is suitable for rapid detection of the verticality of precast piles, both before and after installation. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model.

[0024] In the diagram: 1. First connecting part; 11. First connecting rod; 12. First connecting cylinder; 13. Support plate; 2. Second connecting part; 21. Second connecting rod; 22. Second connecting cylinder; 3. Guide assembly; 31. Pulley; 32. Connecting rod; 33. Spring; 34. Deformation sensor; 4. Gyroscope positioning device; 41. Buffer head; 42. Traction ring; 5. Detection assembly; 51. Camera; 52. Searchlight; 6. Automatic take-up reel; 7. Cable; 8. Controller; 81. Display; 82. Joystick; 83. Control button. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0026] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] A pile verticality detection device includes a detection device body, an automatic take-up reel 6, and a controller 8. The detection device body includes a first connecting part 1, a second connecting part 2, a guide component 3, a gyroscope positioning device 4, and a detection component 5. A cable 7 is wound on the automatic take-up reel 6 for pulling the detection device body.

[0029] The first connecting part 1 includes a first connecting cylinder 12 and a first connecting rod 11. The first connecting rod 11 is coaxially inserted into the first connecting cylinder 12 and slides coaxially with the first connecting cylinder 12. The second connecting part 2 includes a second connecting cylinder 22 and a second connecting rod 21. The second connecting rod 21 is coaxially inserted into the second connecting cylinder 22 and slides coaxially with the second connecting cylinder 22. The end of the second connecting cylinder 22 away from the second connecting rod 21 is connected to the end of the first connecting rod 11 away from the first connecting cylinder 12 through a mounting plate. Preferably, the relative sliding path between the first connecting cylinder 12 and the first connecting rod 11 is the same as the relative sliding path between the second connecting cylinder 22 and the second connecting rod 21. A sliding groove and a slider are provided between the first connecting rod 11 and the first connecting cylinder 12 to guide the relative sliding between them. A sliding groove and a slider are also provided between the second connecting rod 21 and the second connecting cylinder 22 to guide the relative sliding between them. The sliding groove is provided on the inner side wall of the connecting cylinder, and the slider is provided on the outer side wall of the connecting rod. The detection component 5 is mounted on the mounting plate and includes a camera 51 and a spotlight 52.

[0030] The end of the first connecting cylinder 12 furthest from the first connecting rod 11 is connected to a cable 7. The outer wall of the cable 7 has graduated lines to allow observation of the depth to which the pile verticality detection device enters the precast pile. The end of the second connecting rod 21 furthest from the second connecting cylinder 22 is connected to a gyroscope positioning device 4. The end of the gyroscope positioning device 4 furthest from the second connecting rod 21 is equipped with a buffer head 41 and a traction ring 42.

[0031] Two guide components 3 are provided, and the two guide components 3 are respectively provided corresponding to the first connecting part 1 and the second connecting part 2. The two guide components 3 have the same structure. Taking the guide component 3 connected to the first connecting part 1 as an example:

[0032] The guide assembly 3 includes multiple pulleys 31, connecting rods 32, and springs 33. The multiple pulleys 31 are arranged circumferentially along the first connecting rod 11. The pulleys 31 roll in contact with the inner wall of the precast pile along the relative sliding direction of the first connecting rod 11 and the first connecting cylinder 12. Each pulley 31 is hinged with two connecting rods 32. The junction point between the connecting rod 32 and the pulley 31 is located at the axis of the pulley 31. The ends of the two connecting rods 32 away from the pulley 31 are respectively hinged to the first connecting rod 11 and the first connecting cylinder 12. The first connecting rod 11 and the first connecting cylinder 12 are respectively provided with two support plates 13 to provide hinge points for the connecting rods 32. A spring 33 is provided between the two support plates 13. Under the elastic action of the spring 33 and the support of the connecting rod 32, the pulley 31 and the inner wall of the precast pile are always stably kept in close contact. Preferably, a deformation sensor 34 is provided on the spring 33. The deformation sensor 34 can measure the extension and contraction of the device, and calculate the inclination of the pipe wall by combining the length of the connecting part, the diameter of the pulley 31, etc.

[0033] The controller 8 is connected to the gyroscope positioner 4, camera 51, spotlight 52, and deformation sensor 34. The connection method can be signal connection. The controller 8 includes a display 81, joystick 82, and control button 83. The controller 8 is used for controlling the detection device, storing data and images, and outputting results.

[0034] The implementation principle of this application is as follows:

[0035] Before measurement, select the piles to be inspected, and number the precast piles according to the construction schedule, pile length and other information, based on the condition after pile driving; clean (water flush) the selected precast piles, determine the inspection direction (two mutually perpendicular directions, and it needs to be determined that all inspection directions are collinear after construction), and carry out inspection according to the condition of each pile after pile driving.

[0036] During the testing process, the testing device body is placed inside the precast pile. Under the elastic action of the spring 33 and the support of the connecting rod 32, the pulley 31 remains in close contact with the inner wall of the precast pile. The automatic cable reel 6 lowers the testing device body to the bottom of the pile, and then the cable 7 is wound up. The device is lifted with a measuring step distance of 0.5m. Simultaneously, video recording and measurement are carried out. The images are viewed to evaluate the quality after pile driving. The verticality of the pile body is calculated by comparing the data before and after, and the construction quality is evaluated.

[0037] The lowering speed and distance can be controlled by the scale lines on the outer wall of the cable 7. The gyroscope positioning device 4 can provide real-time feedback on the device status and the angle between the axis and the plumb bob direction to the controller 8. The camera 51 (wide-angle, magnified) and lighting equipment can take pictures and record the damage of the pile body as the detection device moves inside the precast pile. The data is transmitted to the controller 8. The operator can calculate the length and width of the crack by combining the images on the display 81 with image analysis.

[0038] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined by the scope of the claims.

Claims

1. A pile verticality testing device, characterized in that, include A connecting part, one end of which is provided with a cable (7), and a detection component (5) is provided on the connecting part; Multiple pulleys (31) are arranged circumferentially around the connecting part. The pulleys (31) roll in cooperation with the inner wall of the precast pile. Two connecting rods (32) are hinged to one of the pulleys (31). The end of the connecting rod (32) away from the pulley (31) is hinged to the connecting part through a support plate (13). The distance between the two support plates (13) corresponding to one pulley (31) can be adjusted. A spring (33) is provided between the two support plates (13).

2. The pile verticality testing device according to claim 1, characterized in that, The connecting part includes a connecting rod and a connecting cylinder. The connecting rod is coaxially inserted into the connecting cylinder and slides coaxially with the connecting cylinder. Two support plates (13) corresponding to one pulley (31) are respectively set on the connecting rod and the connecting cylinder.

3. The pile verticality detection device according to claim 2, characterized in that, There are two connecting parts, which are arranged along the relative sliding direction of the connecting rod and the connecting cylinder. Each connecting part is provided with multiple pulleys (31) circumferentially on its outer side.

4. The pile verticality testing device according to claim 2, characterized in that, A sliding groove and a slider are provided between the connecting rod and the connecting cylinder to guide their relative sliding. The sliding groove is located on the inner side wall of the connecting cylinder, and the slider is located on the outer side wall of the connecting rod.

5. The pile verticality testing device according to claim 1, characterized in that, A deformation sensor (34) is provided on the spring (33).

6. The pile verticality testing device according to claim 1, characterized in that, A gyroscope positioner (4) is provided at the end of the connector away from the cable (7).

7. The pile verticality testing device according to claim 6, characterized in that, The end of the gyroscope positioning device (4) away from the connecting part is provided with a buffer head (41).

8. The pile verticality testing device according to claim 5, characterized in that, It also includes an automatic take-up reel (6) for winding or unwinding cable (7), and the outer side wall of the cable (7) is provided with scale lines.

9. The pile verticality testing device according to claim 1, characterized in that, The detection component (5) includes a camera (51) and a searchlight (52).

10. The pile verticality testing device according to claim 8, characterized in that, It also includes a controller (8), which is connected to the detection component (5), the deformation sensor (34), the automatic take-up reel (6), and the gyroscope positioner (4).

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