Anchored static pressure pile foundation reinforcement auxiliary device

By combining a support frame, lifting rod, positioning pin, and hydraulic cylinder-driven fine-tuning clamping module, the problem of versatility and stability of existing devices in adapting to different sizes and geological conditions is solved, realizing efficient and stable construction of anchored static pressure pile foundation reinforcement.

CN224281381UActive Publication Date: 2026-05-26GUANGDONG YONGJI CONSTR FOUNDATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG YONGJI CONSTR FOUNDATION CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-26

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    Figure CN224281381U_ABST
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Abstract

This utility model relates to the field of anchored static pressure pile technology, specifically an auxiliary device for anchored static pressure pile foundation reinforcement. It includes two symmetrically arranged support frames, with a plurality of circularly arrayed lifting rods between the two support frames. A plurality of circularly arrayed positioning pins are fixedly installed at the bottom of the lower support frame. Four hydraulic cylinders are symmetrically installed on the upper support frame, and each hydraulic cylinder's piston rod is fixedly connected to a fine-tuning clamping module. This utility model uses the two symmetrical support frames to form a stable framework, the circularly arrayed lifting rods to provide uniform support force and adjustable spacing, and the hydraulically driven fine-tuning clamping module to achieve precise multi-angle clamping of the static pressure pile. This structural combination can adapt to piles of different sizes, distribute construction loads, improve the stability and reliability of foundation reinforcement, and, through the set fine-tuning mechanism, can fine-tune the anchored static pressure pile to keep it vertical.
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Description

Technical Field

[0001] This utility model relates to the field of anchored static pressure pile technology, specifically to an auxiliary device for anchored static pressure pile foundation reinforcement. Background Technology

[0002] In the field of building construction, anchored static pressure pile technology is an important foundation reinforcement method, widely used in scenarios such as foundation reinforcement of existing buildings and soft soil foundation treatment for new buildings. With the development of the construction industry, the requirements for foundation bearing capacity and stability are increasing, making the construction quality and efficiency of anchored static pressure pile foundation reinforcement increasingly critical.

[0003] However, many problems still need to be solved in the construction of anchored static pressure pile foundation reinforcement. Traditional auxiliary devices are often relatively simple in structure and difficult to adapt to the construction needs of piles of different sizes and under different geological conditions. For example, when dealing with piles of different diameters, the lack of flexible adaptable structures leads to poor device versatility, increasing construction and time costs; some devices are not precise enough in height adjustment, making it difficult to cope with elevation compensation under complex geological conditions, affecting the verticality and stability of pile construction, and thus reducing the foundation reinforcement effect.

[0004] Meanwhile, most existing clamping and fixing methods cannot achieve precise clamping at multiple angles, and the fixation of static pressure piles is not firm enough. During construction, problems such as pile displacement and tilting are prone to occur, which seriously threaten construction safety and project quality.

[0005] In view of the aforementioned shortcomings of existing auxiliary devices for anchored static pressure pile foundation reinforcement, and in order to meet the growing demand for high-quality construction in building engineering, we propose an auxiliary device for anchored static pressure pile foundation reinforcement. Utility Model Content

[0006] To overcome the above deficiencies, this utility model provides an auxiliary device for reinforcing anchored static pressure pile foundations.

[0007] The technical solution of this utility model is:

[0008] An auxiliary device for anchored static pressure pile foundation reinforcement includes two symmetrically arranged support frames. Between the two support frames are several circularly arrayed lifting rods. Several circularly arrayed positioning pins are fixedly installed at the bottom of the lower support frame. Four hydraulic cylinders are symmetrically mounted on the upper support frame. Each hydraulic cylinder's piston rod is fixedly connected to a fine-tuning clamping module. The fine-tuning clamping module includes a support plate fixed to the hydraulic cylinder's piston rod. An arc-shaped clamping plate is hinged to the support plate. Two fine-tuning mechanisms are symmetrically arranged between the arc-shaped clamping plate and the support plate. An anti-slip pad is fixedly connected to the arc-shaped clamping plate. The two symmetrical support frames form a stable frame, the circularly arrayed lifting rods provide uniform support force and adjustable spacing, the positioning pins ensure accurate ground fixation, and the hydraulically driven fine-tuning clamping module achieves precise multi-angle clamping of the static pressure pile. This structural combination can adapt to piles of different sizes, distribute construction loads, and improve the stability and reliability of foundation reinforcement.

[0009] As a preferred technical solution, the support frame includes two symmetrically arranged semi-circular tiles, each with an integrally formed extension plate at both ends. The two opposing extension plates on the two semi-circular tiles are fixedly connected by fastening bolts. The support frame adopts a detachable semi-circular tile structure, connected by extension plates and fastening bolts, facilitating on-site assembly and disassembly. This modular design reduces transportation difficulties, allows for rapid adaptation to piles of different diameters, and improves the versatility of the device and construction efficiency.

[0010] As a preferred technical solution, the bottom of the positioning pin is conical, and several positioning pins are evenly fixed to the bottom of two semi-circular tiles. The conical design of the bottom of the positioning pin reduces the resistance to soil penetration and facilitates rapid positioning; the circular array of positioning pins evenly distributes the self-weight of the device and the construction reaction force, preventing excessive local pressure on the ground from causing the device to tilt, and ensuring verticality and stability during construction.

[0011] As a preferred technical solution, the lifting rod includes an outer rod and a threaded column slidably mounted inside the outer rod. An adjustment knob is rotatably mounted on the top of the outer rod, threadedly connected to the outer circumference of the threaded column. The lifting rod employs a threaded transmission structure, achieving linear movement of the threaded column within the outer rod by rotating the adjustment knob, providing precise height adjustment. The self-locking characteristic of the threaded pair ensures no displacement after height locking, making it suitable for elevation compensation under different geological conditions.

[0012] As a preferred technical solution, the lifting rod and the threaded column are respectively fixed to two vertically aligned semi-circular tiles. The fixed connection between the lifting rod and the semi-circular tiles forms a rigid whole, ensuring that the load is evenly transmitted to each support point. This structure effectively resists eccentric moments during construction, avoids structural deformation caused by local stress concentration, and extends the service life of the device.

[0013] As a preferred technical solution, a limiting groove is formed on the outer wall of the threaded column, and a limiting strip is integrally formed inside the outer rod, which is slidably connected to the limiting groove. The sliding fit between the limiting groove and the limiting strip constrains the rotational degree of freedom of the threaded column, ensuring that only linear motion occurs during the adjustment process.

[0014] As a preferred technical solution, the fine-tuning mechanism includes a threaded sleeve and a threaded rod threadedly connected to the threaded sleeve. The threaded sleeve and the threaded rod are respectively hinged to the support plate and the arc-shaped clamping plate. The fine-tuning mechanism achieves fine-tuning of the angle of the arc-shaped clamping plate through the relative rotation of the threaded sleeve and the threaded rod, thereby enabling fine-tuning of the anchored static pressure pile to keep it vertical.

[0015] As a preferred technical solution, an adjusting head is integrally formed on the outer circumference of the threaded rod. Both the adjusting head and the adjusting knob are screw-head shaped and of standard screw-head dimensions. Since the adjusting head and adjusting knob use standard screw-head dimensions, they can be operated directly with a general-purpose wrench without the need for custom tools. This design reduces reliance on specialized tools on construction sites, simplifies the operation process, and shortens construction preparation time.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention utilizes two symmetrical support frames to form a stable framework. A circular array of lifting rods provides uniform support and allows for adjustable spacing. Positioning pins ensure accurate ground mounting. A hydraulically driven fine-tuning clamping module enables precise multi-angle clamping of the static pressure pile. This structural combination can adapt to piles of different sizes, distribute construction loads, improve the stability and reliability of foundation reinforcement, and, through the fine-tuning mechanism, allow for precise adjustment of the anchored static pressure pile to maintain its verticality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the support frame in this utility model;

[0020] Figure 3 This is a schematic diagram of the lifting rod in this utility model;

[0021] Figure 4 This is a schematic diagram of the fine-tuning clamping mechanism in this utility model;

[0022] The meanings of the labels in the diagram are as follows:

[0023] 100. Support frame; 101. Semi-circular tile; 102. Extension plate; 103. Fastening bolt; 200. Positioning pin; 300. Lifting rod; 301. Outer rod; 302. Threaded column; 303. Adjusting knob; 304. Limiting groove; 305. Limiting strip; 400. Hydraulic cylinder; 500. Fine-tuning clamping module; 501. Arc-shaped clamping plate; 502. Anti-slip pad; 503. Threaded sleeve; 504. Threaded rod; 505. Adjusting head; 506. Support plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0025] Please refer to the accompanying drawings. This utility model provides a technical solution:

[0026] like Figure 1 As shown, the anchored static pressure pile foundation reinforcement auxiliary device includes two support frames 100 symmetrically arranged vertically. Between the two support frames 100 are several lifting rods 300 arranged in a circular array. At the bottom of the lower support frame 100, several positioning pins 200 arranged in a circular array are fixedly installed. Four hydraulic cylinders 400 are symmetrically installed on the upper support frame 100. Each hydraulic cylinder 400's piston rod is fixedly connected to a fine-tuning clamping module 500. The fine-tuning clamping module 500 includes a support plate 506 fixed to the piston rod of the hydraulic cylinder 400. An arc-shaped clamping plate 501 is hinged to the support plate 506. Two fine-tuning mechanisms are symmetrically arranged between the arc-shaped clamping plate 501 and the support plate 506. An anti-slip pad 502 is fixedly connected to the arc-shaped clamping plate 501. A stable frame is formed by two symmetrical support frames 100, while a circular array of lifting rods 300 provides uniform support and allows for adjustable spacing. Positioning pins 200 ensure accurate ground mounting, and a hydraulic cylinder 400 drives a fine-tuning clamping module 500 for precise multi-angle clamping of the static pressure pile. This structural combination can adapt to piles of different sizes, distribute construction loads, and improve the stability and reliability of foundation reinforcement.

[0027] like Figure 2As shown, in a preferred embodiment, the support frame 100 includes two symmetrically arranged semi-circular tiles 101. Each semi-circular tile 101 has an integrally formed extension plate 102 at both ends. The two opposing extension plates 102 on the two semi-circular tiles 101 are fixedly connected by fastening bolts 103. The support frame 100 adopts a detachable semi-circular tile 101 structure, connected by extension plates 102 and fastening bolts 103, facilitating on-site assembly and disassembly. This modular design reduces transportation difficulty, can quickly adapt to piles of different diameters, and improves the versatility of the device and construction efficiency.

[0028] like Figure 1 As shown, in a preferred embodiment, the bottom of the positioning pin 200 is conical, and several positioning pins 200 are evenly fixed to the bottom of two semi-circular tiles 101. The conical design of the bottom of the positioning pin 200 reduces the resistance to soil penetration and facilitates rapid positioning; the circular array of positioning pins 200 evenly distributes the self-weight of the device and the construction reaction force, preventing excessive local pressure on the ground from causing the device to tilt, and ensuring verticality and stability during construction.

[0029] like Figure 3 As shown, in a preferred embodiment, the lifting rod 300 includes an outer rod 301 and a threaded post 302 slidably mounted inside the outer rod 301. An adjusting knob 303, threaded to the outer circumference of the threaded post 302, is rotatably mounted on the top of the outer rod 301. The lifting rod 300 employs a threaded transmission structure, achieving linear movement of the threaded post 302 within the outer rod 301 by rotating the adjusting knob 303, thus providing precise height adjustment. The self-locking characteristic of the threaded pair ensures no displacement after height locking, making it suitable for elevation compensation under different geological conditions.

[0030] like Figure 1 As shown, in a preferred embodiment, the lifting rod 300 and the threaded post 302 are respectively fixed to two vertically aligned semi-circular tiles 101. The fixed connection between the lifting rod 300 and the semi-circular tiles 101 forms a rigid whole, ensuring that the load is evenly transmitted to each support point. This structure effectively resists eccentric moments during construction, avoids structural deformation caused by local stress concentration, and extends the service life of the device.

[0031] like Figure 3 As shown, in a preferred embodiment, a limiting groove 304 is formed on the outer wall of the threaded column 302, and a limiting strip 305 is integrally formed inside the outer rod 301 and slidably connected to the limiting groove 304. The sliding fit between the limiting groove 304 and the limiting strip 305 constrains the rotational degree of freedom of the threaded column 302, ensuring that only linear motion occurs during the adjustment process.

[0032] like Figure 4As shown, in a preferred embodiment, the fine-tuning mechanism includes a threaded sleeve 503 and a threaded rod 504 threadedly connected to the threaded sleeve 503. The threaded sleeve 503 and the threaded rod 504 are hinged to the support plate 506 and the arc-shaped clamping plate 501, respectively. The fine-tuning mechanism achieves fine-tuning of the angle of the arc-shaped clamping plate 501 through the relative rotation of the threaded sleeve 503 and the threaded rod 504, thereby enabling fine-tuning of the anchored static pressure pile to keep it vertical.

[0033] In a preferred embodiment, the threaded rod 504 has an adjusting head 505 integrally formed on its outer circumference. Both the adjusting head 505 and the adjusting knob 303 are screw-head shaped and have standard screw-head dimensions. Since the adjusting head 505 and the adjusting knob 303 use standard screw-head dimensions, they can be operated directly with a general-purpose wrench without the need for custom tools. This design reduces the reliance on special tools on the construction site, simplifies the operation process, and shortens the construction preparation time.

[0034] When using the anchored static pressure pile foundation reinforcement auxiliary device of this utility model:

[0035] The first stage is the installation and positioning of the device. After the support frame 100 is disassembled and transported to the construction site, it is assembled using the fastening bolts 103 on the extension plates 102 at both ends of the semi-circular tiles 101 to form a complete support frame 100 structure. Next, positioning pins 200 with conical bottoms are fixed to the bottom of the lower support frame 100 in a circular array. The conical design reduces the resistance to soil penetration, allowing the positioning pins 200 to be quickly inserted into the ground and accurately fix the device.

[0036] After positioning is complete, the height adjustment process begins. The lifting rod 300 plays a crucial role in this process. It employs a threaded transmission structure, consisting of an outer rod 301, a threaded column 302, and an adjustment knob 303. By rotating the adjustment knob 303, utilizing the transmission principle of the threaded pair, linear movement of the threaded column 302 within the outer rod 301 can be achieved, thus precisely adjusting the overall height of the device. Simultaneously, the limiting strip 305 within the outer rod 301 slides into the limiting groove 304 on the threaded column 302, constraining the rotational freedom of the threaded column 302 and ensuring only linear movement occurs during adjustment. The self-locking characteristic of the threaded pair prevents displacement after height locking, making it suitable for elevation compensation under different geological conditions and enabling the device to adapt to complex construction environments.

[0037] Next comes the clamping and fixing of the static pressure pile. Four hydraulic cylinders 400, symmetrically mounted on the upper support frame 100, begin operation. The piston rods of the hydraulic cylinders 400 extend, driving the fine-tuning clamping module 500, which is fixedly connected to them, to move. The support plate 506 in the fine-tuning clamping module 500 is connected to the piston rod, and the arc-shaped clamping plate 501 is hinged to the support plate 506. The fine-tuning mechanism between the two consists of a threaded sleeve 503 and a threaded rod 504. When clamping the static pressure pile, the hydraulic cylinders 400 first bring the arc-shaped clamping plate 501 closer to the pile body. Then, the adjusting head 505 on the outer circumference of the threaded rod 504 is rotated. The relative rotation of the threaded sleeve 503 and the threaded rod 504 allows for fine-tuning of the angle of the arc-shaped clamping plate 501, ensuring that the arc-shaped clamping plate 501 tightly fits the surface of the static pressure pile. This provides precise clamping of the pile from multiple angles, ensuring that the pile remains vertical during construction.

[0038] Throughout the foundation reinforcement construction process, two symmetrically positioned support frames 100 form a stable framework, while a circular array of lifting rods 300 provides uniform support force. These components work in conjunction with the fine-tuning clamping module 500 to distribute and transfer the construction load. This structural combination not only adapts to piles of different sizes but also effectively resists eccentric moments during construction, preventing structural deformation caused by localized stress concentration. This enhances the stability and reliability of the foundation reinforcement, ensuring the smooth completion of the anchored static pressure pile foundation reinforcement construction.

[0039] 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 preferred examples and are not intended to limit the 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 claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An anchorage tension static pressure pile foundation reinforcement auxiliary device, characterized in that: The device includes two symmetrically arranged support frames (100), with several lifting rods (300) arranged in a circular array between the two support frames (100). Several positioning pins (200) arranged in a circular array are fixedly installed at the bottom of the lower support frame (100), and four hydraulic cylinders (400) are symmetrically installed on the upper support frame (100). Each hydraulic cylinder (400) has a piston rod fixedly connected to a fine-tuning clamping module (500). The fine-tuning clamping module (500) includes a support plate (506) fixed to the piston rod of the hydraulic cylinder (400). An arc-shaped clamping plate (501) is hinged to the support plate (506). Two fine-tuning mechanisms are symmetrically arranged between the arc-shaped clamping plate (501) and the support plate (506). An anti-slip pad (502) is fixedly connected to the arc-shaped clamping plate (501).

2. The anchor tension static pressure pile foundation reinforcement auxiliary device according to claim 1, characterized in that: The support frame (100) includes two symmetrically arranged semi-circular tiles (101), each of which has an extension plate (102) integrally formed at both ends. The two opposing extension plates (102) on the two semi-circular tiles (101) are fixedly connected by fastening bolts (103).

3. The anchor tension static pressure pile foundation reinforcement auxiliary device according to claim 2, characterized in that: The bottom of the positioning pin (200) is conical, and several positioning pins (200) are evenly fixed to the bottom of two semi-circular tiles (101).

4. The anchor tension static pressure pile foundation reinforcement auxiliary device according to claim 3, characterized in that: The lifting rod (300) includes an outer rod (301) and a threaded column (302) that is slidably installed inside the outer rod (301). An adjustment knob (303) that is threadedly connected to the outer circumferential wall of the threaded column (302) is rotatably installed on the top of the outer rod (301).

5. The anchor tension static pressure pile foundation reinforcement auxiliary device according to claim 4, characterized in that: The lifting rod (300) and the threaded column (302) are respectively fixed to two semi-circular tiles (101) that are aligned vertically.

6. An anchor and static pressure pile foundation reinforcement assisting device according to claim 5, characterized in that: A limiting groove (304) is provided on the outer wall of the threaded column (302), and a limiting strip (305) is integrally formed inside the outer rod (301) and is slidably connected to the limiting groove (304).

7. An anchor and static pressure pile foundation reinforcement assisting device according to claim 6, characterized in that: The fine-tuning mechanism includes a threaded sleeve (503) and a threaded rod (504) threadedly connected to the threaded sleeve (503). The threaded sleeve (503) and the threaded rod (504) are respectively hinged to the support plate (506) and the arc-shaped clamping plate (501).

8. An anchor and static pressure pile foundation reinforcement assisting device according to claim 7, characterized in that: The threaded rod (504) has an adjustment head (505) integrally formed on its outer circumference. Both the adjustment head (505) and the adjustment knob (303) are screw-shaped.