Device for detecting integrity of annular grouting protection layer of cast-in-situ bored pile

By combining a bidirectional motor and a lead screw, the problem of rope and cable entanglement and knotting in the long-distance detection of the annular grouting protective layer of bored piles was solved, achieving high-precision path control and smooth detection.

CN224063533UActive Publication Date: 2026-03-31QINGHAI ZHAODAO TRAFFIC ENG TECH CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing detection devices for the integrity of the annular grouting protective layer of bored piles cannot effectively guide long-distance detection tasks, causing ropes or cables to easily become tangled or knotted during stretching or contraction.

Method used

It adopts a combination design of bidirectional motor, lead screw, built-in threaded block, slider, clamping block, straightening frame, rope and cable. The bidirectional motor drives the lead screw to rotate, realizes the displacement of the threaded block, controls the reciprocating motion of the clamping block, and ensures that the rope and cable run along a specific path to avoid tangling and knotting.

Benefits of technology

It enables precise guidance of ropes and cables, avoiding tangling and knotting during the inspection process, and improving the smoothness and accuracy of the inspection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224063533U_ABST
    Figure CN224063533U_ABST
Patent Text Reader

Abstract

The utility model relates to the related technical field of annular grouting, in particular to a device for detecting the integrity of an annular grouting protection layer of a cast-in-situ bored pile. Comprising a support, rolling wheels are arranged at the lower end of the support, a two-way motor is arranged on one side of the support, a lead screw is installed at the output end of the two-way motor, a built-in threaded block is in threaded connection with the outer side of the lead screw, a sliding block is installed at the lower end of the built-in threaded block, and a clamping block is installed on the inner side of the sliding block; a first correcting frame is installed on one side of the sliding block, and a second correcting frame is installed at the lower end of the sliding block. The displaced threaded block drives the clamping block to reciprocate on the connecting block, and the combination of the bidirectional motor and the lead screw structure can provide high control precision. The displacement of the threaded block can be accurately adjusted through the two-way motor, so that the reciprocating motion of the clamping block is accurately controlled, the sliding block drives the first correction frame and the second correction frame to carry out reciprocating transportation, and ropes and cables in the first correction frame and the second correction frame are guided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to annular grouting related technical field especially, relates to a kind of bored pile annular grouting protective layer integrity detection device. BACKGROUND

[0002] Bored pile annular grouting protective layer is used to improve the stability, waterproofness and anti-permeability of soil layer around pile in bored pile engineering.This protective layer is usually injected into cement slurry or other chemical slurry to the soil around pile by annular grouting, forming a uniform closed protective layer.The purpose of the design and implementation of bored pile annular grouting protective layer integrity detection device is to accurately detect the quality of pile grouting protective layer and ensure that the grouting layer meets the engineering requirements during pile foundation construction.Therefore, there is a great need for a bored pile annular grouting protective layer integrity detection device.

[0003] However, most of the existing bored pile annular grouting protective layer integrity detection devices cannot guide, especially during long-distance detection tasks.This leads to the rope or cable not smooth during stretching or contraction, and is easy to entangle or knot. SUMMARY

[0004] The utility model aims at providing a kind of bored pile annular grouting protective layer integrity detection device to solve the problem of the existing bored pile annular grouting protective layer integrity detection device in the above background technology, most of the detection devices cannot guide, especially during long-distance detection tasks.This leads to the rope or cable not smooth during stretching or contraction, and is easy to entangle or knot.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of bored pile annular grouting protective layer integrity detection device, including support, the lower end of the support is provided with gyro wheel, the side of the support is provided with bidirectional motor, the output of bidirectional motor is installed with screw rod, the outer side of screw rod is connected with built-in threaded block, the lower end of built-in threaded block is installed with sliding block, the inner side of sliding block is installed with clamping block, the side of sliding block is installed with first correction frame, the lower end of sliding block is installed with second correction frame.

[0006] Preferably, the upper end of the support is installed with driving motor, the output of driving motor is installed with belt set, the inner side of belt set is installed with first belt groove, the side of first belt groove is installed with first bearing rod, the upper end of first bearing rod is installed with first thread roller, the outer side of first thread roller is installed with rope.

[0007] Preferably, a second belt groove is installed on the inner side of the belt assembly, a second bearing rod is installed on the inner side of the second belt groove, a second roller is installed on the inner side of the second bearing rod, and a cable is installed on the outer side of the second roller.

[0008] Preferably, a connecting block is installed at one end of the rope, a housing is installed at the lower end of the connecting block, ultrasonic releasing elements are installed on both sides of the housing, and ultrasonic receiving elements are installed on both sides of the housing.

[0009] Preferably, the rope is disposed inside the first correction frame, and the cable is disposed inside the second correction frame.

[0010] Compared with existing technologies, the beneficial effects of this utility model are as follows: This borehole pile annular grouting protective layer integrity detection device, through the arrangement of a bidirectional motor, lead screw, built-in threaded block, slider, locking block, first correction frame, second correction frame, rope, and cable, allows the built-in threaded block to reciprocate on the upper end of the locking block via the lead screw and bidirectional motor. The bidirectional motor drives the lead screw to rotate, which in turn displaces the built-in threaded block. This displacement of the threaded block then causes the locking block to reciprocate on the connecting block. The combination of the bidirectional motor and lead screw structure provides high control precision. The bidirectional motor allows for precise adjustment of the threaded block's displacement, thereby accurately controlling the reciprocating motion of the locking block. The slider drives the first and second correction frames for reciprocating transport, guiding the ropes and cables within the first and second correction frames. The guiding system ensures that the ropes, cables, or other flexible components always follow a specific path, preventing them from becoming entangled, knotted, or twisted during movement. Attached Figure Description

[0011] Figure 1 This is a side view of the appearance structure of this utility model;

[0012] Figure 2 This is a side sectional view of the support structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the interaction between the bidirectional motor and the lead screw of this utility model;

[0014] Figure 4 This is a schematic diagram of the interaction between the drive motor and the belt assembly of this utility model;

[0015] Figure 5 This is a schematic diagram of the connecting block and shell structure of this utility model.

[0016] In the diagram: 1. Bracket; 2. Roller; 3. Bidirectional motor; 4. Lead screw; 5. Built-in threaded block; 6. Clamping block; 7. Slider; 8. First straightening frame; 9. Second straightening frame; 10. Drive motor; 11. Belt assembly; 12. First belt groove; 13. First bearing rod; 14. First roller; 15. Rope; 16. Second belt groove; 17. Second bearing rod; 18. Second roller; 19. Cable; 20. Connecting block; 21. Housing; 22. Ultrasonic releasing element; 23. Ultrasonic receiving element. Detailed Implementation

[0017] 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.

[0018] Please see Figures 1-5 This utility model provides a technical solution: a device for detecting the integrity of the annular grouting protective layer of a bored pile, comprising a support 1, a roller 2 at the lower end of the support 1, a bidirectional motor 3 on one side of the support 1, a lead screw 4 installed at the output end of the bidirectional motor 3, an internal threaded block 5 threadedly connected to the outer side of the lead screw 4, a slider 6 installed at the lower end of the internal threaded block 5, a locking block 7 installed on the inner side of the slider 6, a first correction frame 8 installed on one side of the slider 6, and a second correction frame 9 installed at the lower end of the slider 6. Through the arrangement of the bidirectional motor 3, lead screw 4, internal threaded block 5, slider 6, and locking block 7, the bidirectional motor 3 drives the lead screw 4 to rotate, the rotating lead screw 4 drives the internal threaded block 5 to move, and the displaced threaded block drives the locking block 7 to reciprocate on the connecting block 20. The combination of the bidirectional motor 3 and the lead screw 4 structure provides high control precision. Through the bidirectional motor 3, the displacement of the threaded block can be precisely adjusted, thereby precisely controlling the reciprocating motion of the locking block 7.

[0019] Furthermore, a drive motor 10 is mounted on the upper end of the bracket 1, and a belt assembly 11 is mounted on the output end of the drive motor 10. A first belt groove 12 is mounted on the inner side of the belt assembly 11, and a first bearing rod 13 is mounted on one side of the first belt groove 12. A first roller 14 is mounted on the upper end of the first bearing rod 13, and a rope 15 is mounted on the outer side of the first roller 14. Through the arrangement of the drive motor 10, the belt assembly 11, and the first roller 14, the drive motor 10 transmits power to the roller 14 via the belt assembly 11, achieving efficient power transmission. Compared with direct drive, the belt drive system can provide sufficient power output while reducing noise and load, making it suitable for applications requiring smooth and efficient operation.

[0020] Furthermore, a second belt groove 16 is installed on the inner side of the belt assembly 11, a second bearing rod 17 is installed on the inner side of the second belt groove 16, a second roller 18 is installed on the inner side of the second bearing rod 17, and a cable 19 is installed on the outer side of the second roller 18. Through the configuration of the drive motor 10, multiple transmission paths can be driven simultaneously by one drive motor 10, achieving synchronous operation. This design simplifies the system's drive structure, reduces the need for multiple motors, and improves the system's integration and overall reliability.

[0021] Furthermore, a connecting block 20 is installed at one end of the rope 15, and a housing 21 is installed at the lower end of the connecting block 20. Ultrasonic releasing elements 22 and ultrasonic receiving elements 23 are installed on both sides of the housing 21. Through the ultrasonic releasing elements 22 and ultrasonic receiving elements 23, the ultrasonic releasing element releases ultrasonic waves onto the protective layer. The ultrasonic waves bounce back, and the ultrasonic detection device collects the data. Through the ultrasonic wave bounce and reception, the thickness, density, or other physical properties of the protective layer or other objects can be accurately detected, improving the accuracy of the detection.

[0022] Furthermore, the rope 15 is disposed inside the first correction frame 8, and the cable 19 is disposed inside the second correction frame 9. The arrangement of the first correction frame 8, the second correction frame 9, the rope 15, and the cable 19 guides the rope 15 and cable 19 within the first correction frame 8 and the second correction frame 9. The guiding system ensures that the rope 15, cable 19, or other flexible components always run along a specific path, avoiding entanglement, knotting, or knotting during movement.

[0023] Working principle: In use, the device is first pushed to the appropriate position by the roller 2, and then the drive motor 10 is started. The drive motor 10 drives the first belt groove 12 and the second belt groove 16 simultaneously through the belt assembly 11. The first belt groove 12 and the second belt groove 16 drive the first bearing rod 13 and the second bearing rod 17 to rotate. The first bearing rod 13 and the second bearing rod 17 drive the first rolling wheel and the second rolling wheel 18 to rotate, so that the rope 15 and the cable 19 are released simultaneously. During the release, the bidirectional motor 3 is started, and the bidirectional motor 3 drives the lead screw 4. During rotation, the rotating lead screw 4 drives the built-in threaded block 5 to move, and the moved threaded block drives the locking block 7 to reciprocate on the connecting block 20. The slider 6 drives the first correction frame 8 and the second correction frame 9 to reciprocate. The rope 15 and cable 19 inside the first correction frame 8 and the second correction frame 9 are guided. After being released to a suitable height, the ultrasonic release element 22 is activated to release ultrasonic waves to the protective layer. The ultrasonic waves bounce back, and the ultrasonic receiving element 23 collects the data. This is a device for detecting the integrity of the annular grouting protective layer of a bored pile.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the integrity of the protective layer of the annular grouting of a cast-in-place pile, comprising a support (1), characterized in that: The lower end of the support (1) is provided with a roller (2), one side of the support (1) is provided with a bidirectional motor (3), the output end of the bidirectional motor (3) is installed with a lead screw (4), the outer side of the lead screw (4) is threadedly connected with a built-in threaded block (5), the lower end of the built-in threaded block (5) is installed with a sliding block (6), the inner side of the sliding block (6) is installed with a clamping block (7), one side of the sliding block (6) is installed with a first correction frame (8), the lower end of the sliding block (6) is installed with a second correction frame (9).

2. The integrity detection device for the protective layer of the cast-in-place pile according to claim 1, characterized in that: The upper end of the support (1) is installed with a driving motor (10), the output end of the driving motor (10) is installed with a belt set (11), the inner side of the belt set (11) is installed with a first belt groove (12), one side of the first belt groove (12) is installed with a first bearing rod (13), the upper end of the first bearing rod (13) is installed with a first rolling wheel (14), the outer side of the first rolling wheel (14) is installed with a rope (15).

3. The integrity detection device for the protective layer of the cast-in-place pile according to claim 2, characterized in that: The inner side of the belt set (11) is installed with a second belt groove (16), the inner side of the second belt groove (16) is installed with a second bearing rod (17), the inner side of the second bearing rod (17) is installed with a second rolling wheel (18), the outer side of the second rolling wheel (18) is installed with a cable (19).

4. The integrity detection device for the protective layer of the cast-in-place pile according to claim 2, characterized in that: One end of the rope (15) is installed with a connecting block (20), the lower end of the connecting block (20) is installed with a shell (21), the two sides of the shell (21) are installed with ultrasonic release elements (22), the two sides of the shell (21) are installed with ultrasonic receiving elements (23).

5. The integrity detection device for the protective layer of the cast-in-place pile according to claim 3, characterized in that: The rope (15) is arranged on the inner side of the first correction frame (8), and the cable (19) is arranged on the inner side of the second correction frame (9).