Pile foundation core drilling test detection device

By designing a pile foundation core drilling test device with a bearing frame, laser detector, and positioning components, the problem of inaccurate core sample positioning was solved, and high-precision pile foundation testing was achieved.

CN224161118UActive Publication Date: 2026-04-24FUJIAN HUAFU ENG TESTING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN HUAFU ENG TESTING CO LTD
Filing Date
2025-05-20
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing pile foundation testing devices have unsatisfactory core sample positioning effects during use, resulting in low accuracy of testing data.

Method used

A pile foundation core drilling test device was designed, comprising a bearing frame, a laser detector, a support plate, and a positioning component. The positioning component uses a drive motor, lead screw, sliding block, arc-shaped clamping plate, and limit rod to achieve stable clamping and positioning of the core sample, adapting to core samples of different lengths.

Benefits of technology

It improves the accuracy of core sample detection, enhances the ease of use of the device, and is suitable for core sample detection of different lengths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pile foundation core drilling test detection device, which relates to the technical field of pile foundation detection and comprises a bearing frame, a laser detector is arranged on one side of the middle of the bearing frame, a supporting plate is arranged on the other side of the middle of the bearing frame, and a positioning assembly is arranged on the side face of the supporting plate and comprises a driving motor. A lead screw and a sliding block are arranged at the bottom of the driving motor, a mounting frame is arranged on the side face of the sliding block, a supporting base and a positioning threaded rod are arranged in the middle of one side of the mounting frame, an arc-shaped clamping plate is arranged at one end of the positioning threaded rod, and a limiting rod and a supporting spring are arranged on the side face of the arc-shaped clamping plate. According to the core sample detection device, the taken-out core sample is clamped through the arranged positioning assembly, the arranged positioning threaded rod drives the limiting ring to rotate, so that the arc-shaped clamping plates are ejected out through the positioning threaded rod and the limiting ring, the taken-out core sample is positioned and clamped through the two arc-shaped clamping plates, and detection of the core sample is facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of pile foundation testing technology, and in particular to a pile foundation core drilling test device. Background Technology

[0002] Water conservancy projects refer to various projects constructed to control, regulate, and utilize natural surface water and groundwater to achieve the purpose of eliminating harm and promoting benefits. Water conservancy projects can be divided into flood control projects (dikes, reservoirs, flood storage and diversion areas, culverts, drainage projects, etc.), farmland water conservancy projects (irrigation projects), hydropower projects, and shipping and urban water supply and drainage projects according to their service objects. Pile foundations are required in water conservancy projects, and in the testing of pile foundations, the core drilling method is required to extract core samples from precast pile foundations using a drilling machine.

[0003] After the core sample is extracted, it needs to be tested to make a clear judgment on the length of the pile foundation, the thickness of the sediment at the bottom of the pile, etc. Based on the test data, the test data can be used to make a clear judgment on the length of the pile foundation, the thickness of the sediment at the bottom of the pile, etc. However, the existing test devices are not ideal in terms of positioning of the core sample, which causes the core sample to shake during the test and affects the accuracy of the test data. Therefore, it is necessary to provide a pile foundation core drilling test device to solve the above problems. Utility Model Content

[0004] The main purpose of this utility model is to provide a core drilling test device for pile foundations, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A pile foundation core drilling test device includes a support frame, a laser detector is provided on one middle side of the support frame, and a support plate is provided on the other middle side of the support frame. A positioning component is provided on the side of the support plate.

[0007] The positioning component includes a drive motor, a lead screw and a sliding block are provided at the bottom of the drive motor, and a mounting bracket is provided on the side of the sliding block. A support seat and a positioning threaded rod are provided in the middle of one side of the mounting bracket, and an arc-shaped clamping plate is provided at one end of the positioning threaded rod. A limit rod and a support spring are provided on the side of the arc-shaped clamping plate.

[0008] Preferably, the top and bottom of the support plate are bolted to one side of the top of the support frame, and a through groove is provided on the side of the support frame near the support plate, the through groove passing through the support frame. A sliding groove is provided in the middle of the support plate. A drive motor is bolted to one side of the top of the support frame, and a lead screw is connected to the output end of the drive motor.

[0009] Preferably, the two ends of the lead screw are respectively mounted on the top and bottom inner walls of the sliding groove via bearings, and the drive motor and the support plate are correspondingly arranged. A sliding block is sleeved on the outer wall of the lead screw, and the sliding block is threadedly connected to the lead screw. The outer wall of the sliding block is slidably connected to the inner wall of the sliding groove.

[0010] Preferably, the side of the sliding block is bolted with a mounting bracket, and the mounting bracket is slidably connected to the side of the support plate. The mounting bracket is located between the support plate and the laser detector. A support seat is fixedly connected to the middle of the side of the mounting bracket, and there are two support seats, which are symmetrically distributed on the middle of the two sides of the mounting bracket.

[0011] Preferably, a positioning threaded rod is threadedly connected to the middle of the support base, and the positioning threaded rod passes through the support base and the mounting frame. One end of the positioning threaded rod is fixedly connected to a limit ring, and a mounting base is sleeved on the outside of the limit ring. An arc-shaped clamping plate is fixedly connected to the side of the mounting base away from the positioning threaded rod, and the arc-shaped clamping plate is located in the middle of the mounting frame.

[0012] Preferably, a limiting rod is bolted to the side of the arc-shaped clamping plate near the mounting base, and there are two limiting rods, which are symmetrically distributed at both ends of the arc-shaped clamping plate. The end of the limiting rod away from the arc-shaped clamping plate passes through the mounting frame, and the two limiting rods are arranged adjacent to the positioning threaded rod. A support spring is sleeved on the outside of the limiting rod, and the two ends of the support spring are respectively fixedly connected to the inner side wall of the mounting frame and the outer wall of the arc-shaped clamping plate. A limiting side plate is bolted to the end of the limiting rod away from the arc-shaped clamping plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, a positioning component is used to clamp the removed core sample. A positioning threaded rod drives a limiting ring to rotate, thereby causing the positioning threaded rod and the limiting ring to push out the arc-shaped clamping plate. The two arc-shaped clamping plates achieve positioning and clamping of the removed core sample, which facilitates the inspection of the core sample. Furthermore, a sliding block is used to lift the mounting frame, making the device suitable for core samples of different lengths and improving the ease of use of the device. Attached Figure Description

[0015] Figure 1 This is a first-view structural schematic diagram of the entire device of this utility model;

[0016] Figure 2 This is a second-view structural schematic diagram of the overall device of this utility model;

[0017] Figure 3 This is a schematic diagram of the positioning component of this utility model;

[0018] Figure 4 This is a structural schematic diagram of the side of the mounting bracket of this utility model.

[0019] In the diagram: 1. Bearing frame; 2. Laser detector; 3. Support plate; 4. Positioning assembly; 5. Drive motor; 6. Sliding groove; 7. Lead screw; 8. Sliding block; 9. Mounting bracket; 10. Support seat; 11. Positioning threaded rod; 12. Limiting ring; 13. Mounting seat; 14. Arc-shaped clamping plate; 15. Limiting rod; 16. Support spring; 17. Limiting side plate; 18. Through groove. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a pile foundation core drilling test device includes a support frame 1, a laser detector 2 is provided on one side of the middle of the support frame 1, and a support plate 3 is provided on the other side of the middle of the support frame 1. A positioning component 4 is provided on the side of the support plate 3.

[0022] The positioning component 4 includes a drive motor 5. The bottom of the drive motor 5 is provided with a lead screw 7 and a sliding block 8. The side of the sliding block 8 is provided with a mounting bracket 9. The middle of one side of the mounting bracket 9 is provided with a support seat 10 and a positioning threaded rod 11. One end of the positioning threaded rod 11 is provided with an arc-shaped clamping plate 14. The side of the arc-shaped clamping plate 14 is provided with a limit rod 15 and a support spring 16. The top and bottom of the support plate 3 are bolted to the top side of the support frame 1. The support frame 1 is provided with a through groove 18 on the side near the support plate 3. The through groove 18 penetrates the support frame 1. The middle of the support plate 3 is provided with a sliding groove 6. The top side of the support frame 1 is bolted to the drive motor 5. The output end of the drive motor 5 is connected to the lead screw 7. The two ends of the lead screw 7 are respectively mounted on the top and bottom inner walls of the sliding groove 6 through bearings. The drive motor 5 and the support plate 3 are correspondingly arranged. The outer wall of the lead screw 7 is sleeved with a sliding block 8. The sliding block 8 and the lead screw 7 are connected by threads. The outer wall of the sliding block 8 is slidably connected to the inner wall of the sliding groove 6.

[0023] A mounting bracket 9 is bolted to the side of the sliding block 8, and the mounting bracket 9 is slidably connected to the side of the support plate 3. The mounting bracket 9 is located between the support plate 3 and the laser detector 2. A support seat 10 is fixedly connected to the middle of the side of the mounting bracket 9. There are two support seats 10, which are symmetrically distributed on both sides of the mounting bracket 9. A positioning threaded rod 11 is threadedly connected to the middle of the support seat 10, and the positioning threaded rod 11 passes through the support seat 10 and the mounting bracket 9. A limit ring 12 is fixedly connected to one end of the positioning threaded rod 11, and a mounting seat 13 is sleeved on the outside of the limit ring 12. An arc-shaped clamping plate 14 is fixedly connected to the side of the mounting seat 13 away from the positioning threaded rod 11, and the arc-shaped clamping plate 14 is located in the middle of the mounting bracket 9. A limit rod 15 is bolted to the side of the arc-shaped clamping plate 14 near the mounting seat 13. There are two limit rods 15, which are symmetrically distributed on both sides of the arc-shaped clamping plate 14. At one end, the limiting rod 15, away from the arc-shaped clamping plate 14, passes through the mounting frame 9. The two limiting rods 15 are arranged adjacent to the positioning threaded rod 11. A support spring 16 is sleeved on the outside of the limiting rod 15, and the two ends of the support spring 16 are respectively fixedly connected to the inner side wall of the mounting frame 9 and the outer wall of the arc-shaped clamping plate 14. The limiting rod 15, away from the arc-shaped clamping plate 14, is bolted to a limiting side plate 17. The positioning component 4 is used to clamp the core sample. The positioning threaded rod 11 drives the limiting ring 12 to rotate, thereby causing the positioning threaded rod 11 and the limiting ring 12 to push out the arc-shaped clamping plate 14. The two arc-shaped clamping plates 14 achieve positioning and clamping of the core sample, which facilitates the inspection of the core sample. The sliding block 8 drives the mounting frame 9 to rise, making the device suitable for core samples of different lengths and improving the ease of use of the device.

[0024] It should be noted that this utility model is a core drilling test device for pile foundations. In use, the extracted core sample is placed between two arc-shaped clamping plates 14. The positioning threaded rods 11 are rotated, causing them to move closer to the arc-shaped clamping plates 14. This allows the two arc-shaped clamping plates 14 to position and clamp the core sample. The arc-shaped clamping plates 14 are connected to the positioning threaded rods 11 via a mounting base 13 sleeved outside the limiting ring 12. The limiting ring 12 is rotatably connected inside the mounting base 13 to prevent the positioning threaded rods 11 from driving the arc-shaped clamping plates 14. The rotation of the clamping plate 14 affects the use of the device. At the same time, a limit rod 15 and a support spring 16 are installed on one side of the arc-shaped clamping plate 14, and the limit rod 15 passes through the mounting frame 9, which further improves the stability of the arc-shaped clamping plate 14. When clamping core samples of different heights, the drive motor 5 drives the lead screw 7 to rotate, which causes the sliding block 8 to drive the mounting frame 9 to rise or fall, further improving the ease of use of the device. The laser detector 2 located on one side of the bearing frame 1 is used to detect the length of the core sample and the thickness of the sediment at the bottom of the pile.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pile core test detection device, comprising a bearing frame (1), characterized in that: A laser detector (2) is provided on one side of the middle of the support frame (1), and a support plate (3) is provided on the other side of the middle of the support frame (1). A positioning component (4) is provided on the side of the support plate (3). The positioning component (4) includes a drive motor (5), the bottom of which is provided with a lead screw (7) and a sliding block (8), and the side of the sliding block (8) is provided with a mounting bracket (9). The middle of one side of the mounting bracket (9) is provided with a support seat (10) and a positioning threaded rod (11), and one end of the positioning threaded rod (11) is provided with an arc-shaped clamping plate (14). The side of the arc-shaped clamping plate (14) is provided with a limit rod (15) and a support spring (16).

2. The pile core test detection device according to claim 1, characterized in that: The top and bottom of the support plate (3) are bolted to the top side of the support frame (1), and the support frame (1) has a through groove (18) on the side close to the support plate (3), the through groove (18) passes through the support frame (1), the support plate (3) has a sliding groove (6) in the middle, and the top side of the support frame (1) is bolted to a drive motor (5), and the output end of the drive motor (5) is connected to a lead screw (7).

3. A pile core test detection device according to claim 2, characterized in that: The two ends of the lead screw (7) are respectively mounted on the top and bottom inner walls of the sliding groove (6) through bearings, and the drive motor (5) and the support plate (3) are respectively arranged. A sliding block (8) is sleeved on the outer wall of the lead screw (7), and the sliding block (8) and the lead screw (7) are connected by threads. The outer wall of the sliding block (8) is slidably connected to the inner wall of the sliding groove (6).

4. The pile core test detection device according to claim 1, characterized in that: The sliding block (8) has a mounting bracket (9) installed on its side by bolts, and the mounting bracket (9) is slidably connected to the side of the support plate (3). The mounting bracket (9) is located between the support plate (3) and the laser detector (2). A support seat (10) is fixedly connected to the middle of the side of the mounting bracket (9), and there are two support seats (10), which are symmetrically distributed on the middle of the two sides of the mounting bracket (9).

5. A pile core test detection device according to claim 4, wherein: The support base (10) is connected to a positioning threaded rod (11) by a thread in the middle, and the positioning threaded rod (11) passes through the support base (10) and the mounting frame (9). One end of the positioning threaded rod (11) is fixedly connected to a limiting ring (12), and a mounting base (13) is sleeved on the outside of the limiting ring (12). An arc-shaped clamping plate (14) is fixedly connected to the side of the mounting base (13) away from the positioning threaded rod (11), and the arc-shaped clamping plate (14) is located in the middle of the mounting frame (9).

6. A pile core test detection device according to claim 5, wherein: The arc-shaped clamping plate (14) is bolted to the side of the mounting base (13) with a limiting rod (15), and there are two limiting rods (15), which are symmetrically distributed at both ends of the arc-shaped clamping plate (14). The end of the limiting rod (15) away from the arc-shaped clamping plate (14) passes through the mounting frame (9), and the two limiting rods (15) are arranged adjacent to the positioning threaded rod (11). The limiting rod (15) is sleeved with a support spring (16), and the two ends of the support spring (16) are fixedly connected to the inner side wall of the mounting frame (9) and the outer wall of the arc-shaped clamping plate (14), respectively. The end of the limiting rod (15) away from the arc-shaped clamping plate (14) is bolted to a limiting side plate (17).