Hydraulic jack for building foundation pile detection

By designing protective plates and casters on the hydraulic jacks, the problem of the hydraulic jacks being difficult to move has been solved, enabling convenient movement and stable testing of the equipment, extending its service life, and improving testing efficiency.

CN224015227UActive Publication Date: 2026-03-20ANHUI HONGYUE CONSTRUCTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing hydraulic jacks are not easy to move before and after use, resulting in low testing efficiency.

Method used

A hydraulic jack for testing building foundation piles was designed. It adopts a protective plate and universal wheel structure, combined with support blocks, support columns, limit columns and other components to form a stable transmission connection, ensuring the protection and ease of movement of the device during transportation and use.

Benefits of technology

It improves the mobility and ease of use of the equipment, extends its service life, and ensures safety and reliability during the testing process through a stable connection structure, thereby improving testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building engineering, and discloses a hydraulic jack for building foundation pile detection, which comprises a protective plate, a connecting plate I is arranged on the surface of the protective plate, universal wheels are arranged at the bottom end of the connecting plate I, a screw I is arranged at the top end of the connecting plate I, and a screw II is arranged on the surface of the protective plate. And supporting blocks are arranged on the inner walls of the protection plates. The hydraulic jack is a core part of the whole device. When the handle is operated, due to the fact that the right end of the handle is fixedly connected with the inner wall of the connecting cylinder and the bottom end of the connecting cylinder is in transmission connection with the bottom end of the supporting column, force can be transmitted into a hydraulic system in the hydraulic jack through the operation. In a sealed hydraulic system, the pressure exerted on the static liquid is equivalently transmitted to each point at the same time. In the hydraulic jack, the piston end of the hydraulic jack can generate large force by applying small force through the operation handle, and therefore operations such as jacking or pressure applying on the foundation pile are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering technical field especially, relates to a hydraulic jack for building foundation pile detection. BACKGROUND

[0002] Hydraulic jack is a kind of hoisting equipment using hydraulic principle to work, is widely used in various occasions needing lifting or supporting heavy objects. Its main working principle is based on Pascal's law, i.e. pressure can be transmitted in all directions when liquid transmits pressure in airtight container, and the application of hydraulic jack in building foundation pile detection is mainly to test the bearing capacity and stability of foundation pile. After the construction of foundation pile is completed, it needs to be detected to ensure that it can bear the expected load and remain stable. Hydraulic jack as a commonly used loading equipment can simulate actual load conditions to carry out static load test on foundation pile, so as to evaluate its bearing capacity and deformation performance.

[0003] And the existing hydraulic jack is not easy to move the equipment before and after use, thereby reducing the detection efficiency of the equipment. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a hydraulic jack for building foundation pile detection.

[0005] The utility model adopts the following technical scheme: a hydraulic jack for building foundation pile detection, including the fender, the fender surface is provided with the connecting plate no. 1, the connecting plate no. 1 bottom is provided with universal wheel, the connecting plate no. 1 top is provided with screw no. 1, the fender surface is provided with screw no. 2, the fender inner wall is provided with support block, the support block top is provided with support column, the support column top is provided with connecting plate no. 2, the connecting plate no. 2 surface is provided with limit post, the limit post inside is provided with limit block, the connecting tube inside is provided with handle, the support block right -hand member is provided with hydraulic jack, the hydraulic jack top is provided with fixed block, the fender inside is provided with pivot no. 1, the pivot no. 1 surface is provided with connecting block, the connecting block surface is provided with connecting plate no. 3, the connecting plate no. 3 surface is provided with connecting shaft no. 1, the connecting plate no. 3 top is provided with bearing plate, the fender surface is provided with bolt no. 2, the connecting block surface is provided with connecting shaft no. 2, the fender inner wall is provided with connecting shaft no. 3, the connecting shaft no. 3 surface is provided with gyro wheel.

[0006] As further improvement of the above scheme, the fender is provided with two, the connecting plate no. 1 is provided with two, and the two fenders are fixedly connected with the two connecting plate no. 1 away from each other, the universal wheel is provided with two, the screw no. 1 is provided with two, and the two universal wheel top is connected with the screw no. 1 surface thread through the two connecting plate no. 1 bottom.

[0007] By the above technical scheme, the protection plate can protect the internal hydraulic jack and other components from being damaged by external collision, extrusion, etc. during transportation, storage or use. The universal wheel enables the entire building pile detection hydraulic jack device to have the ability to move, facilitating the transfer between different pile detection sites and improving the mobility of the equipment.

[0008] As a further improvement of the above scheme, the two screws are threadedly connected to the surface of the support block at one end away from each other through two protection plates, the top end of the support block is fixedly connected to the bottom end of the support column, the bottom end of the fixed block is fixedly connected to the top end of the hydraulic jack, the two connecting plates are fixedly connected to the top end of the fixed block at the bottom end, the four limiting columns are in contact with the inside of the two connecting plates, and the four limiting blocks are clamped to the inside of the four limiting columns.

[0009] By the above technical scheme, the support block provides a stable support platform for the hydraulic jack to bear the reaction force generated during the operation of the hydraulic jack, ensuring that the hydraulic jack can stably perform pile detection work. The support column transmits force between the protection plate and the related components of the hydraulic jack, transmits the force from the protection plate to the connecting plate and other components through the support block, maintains the mechanical balance of the entire structure, and limits the displacement of the related components through the cooperation of the limiting column and the limiting block. In the working process of the hydraulic jack, the relative positions of the components are kept within a reasonable range, improving the safety and reliability of the device.

[0010] As a further improvement of the above scheme, the bottom end of the connecting cylinder is drivingly connected to the bottom end of the support column, the right end of the handle is fixedly connected to the inner wall of the connecting cylinder, and the left end of the hydraulic jack is fixedly connected to the right end of the support block.

[0011] By the above technical scheme, the support column is connected, and the handle is arranged inside to realize force transmission through the operation of the handle, which may be related to the operation control of the hydraulic jack, facilitating the user to operate the hydraulic jack.

[0012] As a further improvement of the above scheme, the two shafts are drivingly connected to the right end of the hydraulic jack at the left end, the surfaces of the two shafts are drivingly connected to the inner wall of the connecting block, the inner wall of the connecting plate is drivingly connected to the surface of the connecting block through the surface of the connecting shaft, and the top end of the connecting plate is fixedly connected to the bottom end of the bearing plate.

[0013] Through the above technical solution, the rotating shaft connects the hydraulic jack and the connecting block, and transmits the power of the hydraulic jack to the connecting block, thereby driving the movement of other components connected to the connecting block. The connecting plate is fixedly connected to the bearing plate, and is connected to the connecting block through the connecting shaft, so as to transmit the force from the connecting block to the bearing plate and ensure the stability of the bearing plate.

[0014] As a further improvement to the above solution, two bolts and two connecting shafts are provided. The surfaces of the two connecting shafts are connected to the inner wall of the fixing block in a transmission connection. The ends of the two bolts that are close to each other are threadedly connected to the surfaces of the connecting shafts through two protective plates.

[0015] Through the above technical solution, bolt two fixes the position of connecting shaft two by threaded connection with protective plate and connecting shaft two, ensuring the connection stability of connecting shaft two with other components. Connecting column two plays the role of transmission connection inside the fixing block, working together with other components to ensure the normal operation of the entire device.

[0016] As a further improvement to the above solution, the three surfaces of the connecting shaft are connected to the two protective blocks at their close ends, and two rollers are provided, with the two rollers at their close ends fixedly connected to the three surfaces of the connecting shaft.

[0017] Through the above technical solution, the connecting shaft three is connected to the protective plate and the roller, playing a role in the transmission connection in the structure of the whole device. The roller and the caster work together to improve the flexibility or stability of the device's movement.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] This utility model features two protective plates and two connecting plates, with the two protective plates fixedly connected to the two connecting plates. Two casters are threadedly connected to the connecting plates via screws. This structure allows the entire device to be easily moved to the location where pile testing is required, improving the equipment's mobility and ease of use. The protective plates also protect important internal components such as hydraulic jacks from external impacts and damage during handling and use, extending the equipment's service life.

[0020] All components are securely connected. For example, screw two is threadedly connected to the support block via the protective plate; the support block is fixedly connected to the support column; the fixing block is fixedly connected to the top of the hydraulic jack; connecting plate two is fixedly connected to the top of the fixing block; the limiting column is in contact with the inside of connecting plate two, and the limiting block is engaged with the inside of the limiting column. These connection methods ensure the stability of the device during operation, which is beneficial for accurate pile foundation testing.

[0021] The utility model discloses a connecting cylinder bottom end and support column bottom end transmission connection, handle right -hand member and connecting cylinder inner wall fixed connection. Through operating handle, the related operation of hydraulic jack can be conveniently controlled, and the hydraulic jack left end is fixedly connected with the support block right -hand member, and this kind of layout makes operation more intuitive, convenient, and help to improve the efficiency of detection work.

[0022] The linkage structure of the shaft, the connecting block, the connecting plate three and the bearing plate exists in the device. The shaft is in transmission connection with the hydraulic jack and the inner wall of the connecting block, the connecting plate three is in transmission connection with the connecting block through the connecting shaft one and is fixedly connected with the bottom end of the bearing plate. This structure can play multiple functions in the process of foundation pile detection, such as adjusting the position or state of the bearing plate as required during detection to adapt to different detection requirements. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the whole structure schematic diagram of the utility model;

[0024] Figure 2 It is the left end structure schematic diagram of the utility model;

[0025] Figure 3 It is the enlarged structure schematic diagram of the utility model A place;

[0026] Figure 4 It is the bottom end structure schematic diagram of the utility model;

[0027] Figure 5 It is the section structure schematic diagram of the utility model.

[0028] MAIN SYMBOL EXPLANATION

[0029] 1, guard plate;2, connecting plate one;3, universal wheel;4, screw one;5, screw two;6, connecting plate two;7, connecting cylinder;8, handle;9, hydraulic jack;10, shaft one;11, connecting block;12, connecting plate three;13, connecting shaft one;14, bearing plate;15, bolt two;16, connecting shaft two;17, limit block;18, limit column;19, support block;20, fixed block;21, support column;22, connecting shaft three;23, gyro wheel. DETAILED DESCRIPTION

[0030] In the following, the utility model is further described in combination with the drawings and specific implementation manners, and it should be explained that, under the prerequisite of not conflicting, the following described each embodiment or each technical feature can be combined to form a new embodiment. EMBODIMENT

[0031] Please combine Figures 1-5The embodiment of the application discloses a hydraulic jack for building pile detection, which comprises a protective plate 1, a connecting plate 2 arranged on the surface of the protective plate 1, universal wheels 3 arranged at the bottom end of the connecting plate 2, screws 4 arranged at the top end of the connecting plate 2, screws 5 arranged on the surface of the protective plate 1, a supporting block 19 arranged on the inner wall of the protective plate 1, a supporting column 21 arranged at the top end of the supporting block 19, a connecting plate 6 arranged at the top end of the supporting column 21, limiting columns 18 arranged on the surface of the connecting plate 6, limiting blocks 17 arranged in the limiting columns 18, a connecting barrel 7 arranged on the inner wall of the connecting plate, a handle 8 arranged in the connecting barrel 7, a hydraulic jack 9 arranged at the right end of the supporting block 19, a fixed block 20 arranged at the top end of the hydraulic jack 9, a rotating shaft 10 arranged in the protective plate 1, a connecting block 11 arranged on the surface of the rotating shaft 10, a connecting plate 12 arranged on the surface of the connecting block 11, a connecting shaft 13 arranged on the surface of the connecting plate 12, a bearing plate 14 arranged at the top end of the connecting plate 12, screws 15 arranged on the surface of the protective plate 1, a connecting shaft 16 arranged on the surface of the connecting block 11, a connecting shaft 22 arranged on the inner wall of the protective plate 1 and rollers 23 arranged on the surface of the connecting shaft 22.

[0032] The two protective plates 1 are fixedly connected with the two connecting plates 1 away from each other, the two universal wheels 3 are arranged at the bottom end of the two connecting plates 1 and are threadedly connected with the surface of the two screws 4, and the two screws 5 are arranged on the surface of the two protective plates 1 and are threadedly connected with the surface of the supporting block 19.

[0033] The two screws 5 are arranged on the surface of the two protective plates 1 and are threadedly connected with the surface of the supporting block 19, the supporting block 19 is fixedly connected with the supporting column 21, the fixed block 20 is fixedly connected with the top end of the hydraulic jack 9, the two connecting plates 6 are arranged at the bottom end of the fixed block 20 and are fixedly connected with the top end of the fixed block 20, the four limiting columns 18 are arranged on the surface of the two connecting plates 6 and are in contact with the inner part of the two connecting plates 6, and the four limiting blocks 17 are arranged on the surface of the four limiting columns 18 and are clamped with the inner part of the four limiting columns 18.

[0034] The connecting barrel 7 is in transmission connection with the bottom end of the supporting column 21, the handle 8 is fixedly connected with the inner wall of the connecting barrel 7, and the left end of the hydraulic jack 9 is fixedly connected with the right end of the supporting block 19.

[0035] The two rotating shafts 10 are arranged at the left end of the hydraulic jack 9 and are in transmission connection with the right end of the hydraulic jack 9, the surfaces of the two rotating shafts 10 are in transmission connection with the inner wall of the connecting block 11, the inner wall of the connecting plate 12 is in transmission connection with the surface of the connecting block 11 through the surface of the connecting shaft 13, and the top end of the connecting plate 12 is fixedly connected with the bottom end of the bearing plate 14.

[0036] There are two bolts 15 and two connecting shafts 16. The surfaces of the two connecting shafts 16 are connected to the inner wall of the fixing block 20. The ends of the two bolts 15 that are close to each other are threadedly connected to the surfaces of the connecting shafts 16 through two protective plates 1.

[0037] The surface of the connecting shaft 22 is connected to the end of the two protective blocks that are close to each other. There are two rollers 23, and the end of the two rollers 23 that are close to each other is fixedly connected to the surface of the connecting shaft 22.

[0038] The implementation principle of a hydraulic jack for testing building foundation piles in this embodiment is as follows: The hydraulic jack 9 is the core component of the entire device. When the handle 8 is operated, since the right end of the handle 8 is fixedly connected to the inner wall of the connecting cylinder 7 and the bottom end of the connecting cylinder 7 is drivenly connected to the bottom end of the support column 21, this operation will transmit force to the hydraulic system inside the hydraulic jack 9. In the sealed hydraulic system, the pressure applied to the static liquid will be transmitted to each point simultaneously with equal force. In the hydraulic jack 9, a small force applied by operating the handle 8 can generate a large force at the piston end of the hydraulic jack 9, thereby realizing operations such as lifting the foundation pile or applying pressure. The support block 19 is connected to the protective plate 1 by screw 2 5, providing stable support for the hydraulic jack 9. The fixing block 20 at the top of the hydraulic jack 9 is connected to the connecting plate 2 6, and the limiting column 18 and the limiting block 17 play the role of limiting and stabilizing the connecting plate 2 6. Meanwhile, the transmission action of the rotating shaft 10 enables the connecting block 11 to move accordingly based on the action of the hydraulic jack 9. The connecting block 11, in turn, drives the connecting plate 12 via the connecting shaft 13, thereby affecting the state of the bearing plate 14. This transmission structure allows all components to work together. When the hydraulic jack 9 is working, the state of the entire device can be adjusted as needed to meet the requirements of pile foundation testing. The caster 3 is connected to the protective plate 1 via the connecting plate 2 and the screw 4, facilitating the movement of the entire device. After the device is moved to the testing position, fine-tuning operations such as positioning can be performed using components such as the roller 23. The roller 23 is connected to the protective block via the connecting shaft 22, and this structure plays a certain role in the positioning and fine-tuning of the device.

[0039] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A hydraulic jack (9) for testing building foundation piles, characterized in that, Includes a protective plate (1), a connecting plate (2) on the surface of the protective plate (1), a caster wheel (3) at the bottom of the connecting plate (2), a screw (4) at the top of the connecting plate (2), a screw (5) on the surface of the protective plate (1), a support block (19) on the inner wall of the protective plate (1), a support column (21) at the top of the support block (19), a connecting plate (6) at the top of the support column (21), a limit post (18) on the surface of the connecting plate (6), a limit block (17) inside the limit post (18), a connecting cylinder (7) on the inner wall of the connecting plate, a handle (8) inside the connecting cylinder (7), and the support block... (19) A hydraulic jack (9) is provided at the right end. A fixing block (20) is provided at the top of the hydraulic jack (9). A rotating shaft (10) is provided inside the protective plate (1). A connecting block (11) is provided on the surface of the rotating shaft (10). A connecting plate (12) is provided on the surface of the connecting block (11). A connecting shaft (13) is provided on the surface of the connecting plate (12). A bearing plate (14) is provided at the top of the connecting plate (12). A bolt (15) is provided on the surface of the protective plate (1). A connecting shaft (16) is provided on the surface of the connecting block (11). A connecting shaft (22) is provided on the inner wall of the protective plate (1). A roller (23) is provided on the surface of the connecting shaft (22).

2. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: There are two protective plates (1) and two connecting plates (2). The ends of the two protective plates (1) that are far apart from each other are fixedly connected to the ends of the two connecting plates (2) that are close to each other. There are two casters (3) and two screws (4). The tops of the two casters (3) are threadedly connected to the surface of the screws (4) through the bottoms of the two connecting plates (2).

3. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: Two screws (5) are provided. The two screws (5) are threadedly connected to the surface of the support block (19) through the ends of the two protective plates (1) that are far apart from each other. The top of the support block (19) is fixedly connected to the bottom of the support column (21). The bottom of the fixing block (20) is fixedly connected to the top of the hydraulic jack (9). Two connecting plates (6) are provided. The bottom of the two connecting plates (6) is fixedly connected to the top of the fixing block (20). Four limiting columns (18) are provided. The surface of the four limiting columns (18) is in contact with the inside of the two connecting plates (6). Four limiting blocks (17) are provided. The surface of the four limiting blocks (17) is engaged with the inside of the four limiting columns (18).

4. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: The bottom end of the connecting cylinder (7) is connected to the bottom end of the support column (21) via a transmission connection. The right end of the handle (8) is fixedly connected to the inner wall of the connecting cylinder (7). The left end of the hydraulic jack (9) is fixedly connected to the right end of the support block (19).

5. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: Two rotating shafts (10) are provided. The left ends of the two rotating shafts (10) are connected to the right end of the hydraulic jack (9). The surfaces of the two rotating shafts (10) are connected to the inner wall of the connecting block (11). The inner wall of the connecting plate (12) is connected to the surface of the connecting block (11) through the surface of the connecting shaft (13). The top end of the connecting plate (12) is fixedly connected to the bottom end of the bearing plate (14).

6. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: Two bolts (15) are provided, and two connecting shafts (16) are provided. The surfaces of the two connecting shafts (16) are connected to the inner wall of the fixing block (20) for transmission. The ends of the two bolts (15) that are close to each other are threadedly connected to the surfaces of the connecting shafts (16) through two protective plates (1).

7. The hydraulic jack (9) for testing building foundation piles as described in claim 1, characterized in that: The surface of the connecting shaft three (22) is connected to the end of the two protective blocks that are close to each other. There are two rollers (23), and the ends of the two rollers (23) that are close to each other are fixedly connected to the surface of the connecting shaft three (22).