A supporting structure for foundation pit steel sheet piles

By designing a foundation pit steel sheet pile support structure including stabilizing components and connecting components, the problems of cumbersome installation and poor firmness in the prior art are solved, and a higher stability and more efficient installation and disassembly process are achieved.

CN222700996UActive Publication Date: 2025-04-01GUOYAN GEOTECHNICAL (HAINAN) ENG CO LTD
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Patent Information

Application Number
CN202420855611.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-04-01
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The installation process of the existing foundation pit steel sheet pile support structure is complicated, the firmness between the steel sheet piles is poor, and soil collapse is prone to occur.

Method used

A support structure including a steel sheet pile support body, a stabilizing member and a connecting member is designed. The stabilizing component forms a triangular structure through the combination of reinforcement rods, fixing plates and limiting blocks to improve stability; the connecting component facilitates the connection and disassembly between steel plates A and steel plates B through the combination of connecting blocks, connecting plates and fixing bolts.

Benefits of technology

The overall stability is enhanced through the principle of triangle stability, reducing the impact on the steel plate, and avoiding soil collapse; at the same time, the installation and disassembly process is simplified and the working efficiency is improved.

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Abstract

The utility model discloses a supporting structure for steel sheet piles in a foundation pit. The utility model relates to the technical field of foundation pits, including a steel sheet pile supporting body, a stabilizing component is installed at the angle of the steel sheet pile supporting body, a connecting component is installed on the top of the steel sheet pile supporting body, and the stabilizing component includes a reinforcing rod, a fixing plate and a limiting block, and the limiting block is fixedly connected to the side of the reinforcing rod on the side close to the fixing plate. The advantage of the utility model is that by inserting the limiting block into the interior of the slide groove and driving the reinforcing rod to move downward, the position of the reinforcing rod and the B steel plate are connected by the limiting block, and then the bottom of the fixing plate is contacted with the top of the reinforcing rod, and the two are fixed by threaded bolts, so that a triangle is formed between the reinforcing rods, and the triangle stabilization principle is used to enhance the overall stabilizing effect of the device, thereby reducing the collapse of the surrounding soil caused by the impact on the steel plate during work.
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Description

Technical Field

[0001] The utility model relates to the technical field of foundation pits, in particular to a supporting structure for foundation pit steel sheet piles. Background Art

[0002] The purpose of foundation pit support is to ensure the stability of the soil around the foundation pit and to meet the requirement of sufficient space for basement construction. This is a necessary condition for earth excavation and basement construction, and to ensure that the adjacent buildings and underground pipelines around the foundation pit are not damaged during the foundation pit support and basement construction.

[0003] After searching, the applicant found that a Chinese patent disclosed "a steel sheet pile support structure for deep road foundation pits", and its publication (announcement) number is "CN219808386U". This patent mainly operates the driving part manually, so that the internal components of the driving part drive the telescopic rod, so that the telescopic rod is extended or contracted, and then drives the two steel sheet pile bodies to move closer or farther away from each other, so that the structure can be suitable for deep foundation pits of different sizes and improve the practicality of the structure. However, in the original document description of the application, the process of installing the steel sheet pile support by the device is relatively cumbersome, and the firmness between the steel sheet piles is not good, and soil collapse is prone to occur. For this reason, we propose a support structure for foundation pit steel sheet piles. Utility Model Content

[0004] The utility model aims to provide a supporting structure for foundation pit steel sheet piles.

[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model provides the following technical solutions: a supporting structure for steel sheet piles in a foundation pit, comprising a steel sheet pile supporting body, a stabilizing component is installed at the angle of the steel sheet pile supporting body, a connecting component is installed on the top of the steel sheet pile supporting body, the stabilizing component comprises a reinforcing rod, a fixing plate and a limiting block, the side of the limiting block close to the fixing plate is fixedly connected to the side of the reinforcing rod, the top of the reinforcing rod is in contact with the bottom of the fixing plate, and the fixing plate is fixed to the top of the reinforcing rod by a threaded bolt.

[0006] As a further solution of the utility model: the steel sheet pile supporting body includes an A steel plate and a B steel plate, and the A steel plate is clamped inside the B steel plate.

[0007] As a further solution of the utility model: the outer surfaces of the A steel plate and the B steel plate are both provided with sliding grooves, and the limit blocks are slidably connected to the inside of the sliding grooves.

[0008] As a further solution of the utility model: a limit plate is installed inside the slide groove, the bottom end of the limit plate is in contact with the top of the limit block, a circular groove is opened on the top of the B steel plate, and an A threaded hole is opened on one side of the circular groove.

[0009] As a further solution of the utility model: the connecting component includes a connecting block, a connecting plate and a fixing bolt, the top of the connecting block is fixedly connected to the bottom of the connecting plate, and the side of the A steel plate close to the B steel plate is fixedly connected to the side of the connecting block.

[0010] As a further solution of the utility model: a B threaded hole is opened on the outer surface of the connecting plate, and the fixing bolt is threadedly connected to the inside of the B threaded hole and is connected to the A threaded hole.

[0011] As a further solution of the utility model: the outer surface of the connecting block is clamped in the inside of the circular groove, and the bottom of the connecting plate is in contact with the top of the B steel plate.

[0012] By adopting the above technical solution, compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model inserts the limit block into the inside of the slide slot and drives the reinforcing rod to move downward, uses the limit block to connect the position of the reinforcing rod and the B steel plate, and then makes the bottom of the fixing plate contact with the top of the reinforcing rod, and fixes the two by threaded bolts, so that a triangle is formed between the reinforcing rods, and uses the triangle stability principle to enhance the overall stability of the device, thereby reducing the collapse of the surrounding soil caused by the impact on the steel plate during work;

[0014] 2. The utility model inserts the connection block into the inside of the circular groove so that the bottom of the connection plate contacts the top of the B steel plate, and then uses the fixing bolt to fix the position of the connection plate and the B steel plate, thereby facilitating the connection between the A steel plate and the B steel plate. At the same time, loosening the fixing bolt makes it convenient for the staff to disassemble the A steel plate and the B steel plate, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the steel sheet pile support body in the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of a stabilizing component in an embodiment of the utility model;

[0018] Figure 4 for Figure 3 A is a partial enlarged schematic diagram;

[0019] Figure 5 This is a schematic diagram of the connecting components in the embodiment of the utility model;

[0020] Figure 6 It is a schematic diagram of a limiting plate in an embodiment of the utility model.

[0021] In the figure: 1. Steel sheet pile support body; 11. Steel plate A; 12. Steel plate B; 13. Limiting plate; 2. Stabilizing component; 21. Reinforcing rod; 22. Fixing plate; 23. Limiting block; 221. Threaded bolt; 3. Connecting component; 31. Connecting block; 32. Connecting plate; 33. Fixing bolt. DETAILED DESCRIPTION

[0022] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0023] Example 1, please refer to the attached Figure 1 -Attached Figure 6 The utility model provides a technical solution: a supporting structure for steel sheet piles in a foundation pit, comprising a steel sheet pile supporting body 1, a stabilizing component 2 is installed at the angle of the steel sheet pile supporting body 1, a connecting component 3 is installed on the top of the steel sheet pile supporting body 1, the stabilizing component 2 comprises a reinforcing rod 21, a fixing plate 22 and a limiting block 23, the limiting block 23 is fixedly connected to the side of the reinforcing rod 21 on one side close to the fixing plate 22, the top of the reinforcing rod 21 is in contact with the bottom of the fixing plate 22, and the fixing plate 22 is fixed to the top of the reinforcing rod 21 by a threaded bolt 221.

[0024] In this embodiment, by setting the A steel plate 11 and the B steel plate 12, the foundation pit is enclosed and the soil on the ground is fixed to prevent it from collapsing or landslides. By setting the limit plate 13, the position of the reinforcing rod 21 can be divided and the distance between the upper and lower reinforcing rods 21 can be planned.

[0025] The steel sheet pile supporting body 1 comprises an A steel plate 11 and a B steel plate 12 , and the A steel plate 11 is clamped inside the B steel plate 12 .

[0026] The outer surfaces of the A steel plate 11 and the B steel plate 12 are both provided with sliding grooves, and the limiting blocks 23 are slidably connected to the inside of the sliding grooves.

[0027] A limit plate 13 is installed inside the slide groove, and the bottom end of the limit plate 13 contacts the top of the limit block 23. A circular groove is provided on the top of the B steel plate 12, and an A threaded hole is provided on one side of the circular groove.

[0028] Specifically, the limit block 23 is inserted into the interior of the slide groove, and the reinforcing rod 21 is driven to move downward, and the position of the reinforcing rod 21 and the B steel plate 12 are connected by the limit block 23, and then the bottom of the fixing plate 22 is brought into contact with the top of the reinforcing rod 21, and the two are fixed by the threaded bolt 221, so that a triangle is formed between the reinforcing rods 21, and the triangle stability principle is used to enhance the overall stability of the device, thereby reducing the impact on the steel plate during operation and causing the collapse of the surrounding soil.

[0029] Example 2, please refer to the attached Figure 1 -Attached Figure 6 The utility model provides a technical solution: a supporting structure for steel sheet piles in a foundation pit, comprising a steel sheet pile supporting body 1, a stabilizing component 2 is installed at the angle of the steel sheet pile supporting body 1, a connecting component 3 is installed on the top of the steel sheet pile supporting body 1, the stabilizing component 2 comprises a reinforcing rod 21, a fixing plate 22 and a limiting block 23, the limiting block 23 is fixedly connected to the side of the reinforcing rod 21 on one side close to the fixing plate 22, the top of the reinforcing rod 21 is in contact with the bottom of the fixing plate 22, and the fixing plate 22 is fixed to the top of the reinforcing rod 21 by a threaded bolt 221.

[0030] In this embodiment, by setting the connecting block 31, the position between the A steel plate 11 and the B steel plate 12 can be connected. By setting the connecting plate 32 and the fixing bolt 33, it is convenient for the staff to quickly install and disassemble the A steel plate 11 and the B steel plate 12.

[0031] The connecting component 3 includes a connecting block 31 , a connecting plate 32 and a fixing bolt 33 . The top of the connecting block 31 is fixedly connected to the bottom of the connecting plate 32 , and the side of the A steel plate 11 close to the B steel plate 12 is fixedly connected to the side of the connecting block 31 .

[0032] A threaded hole B is formed on the outer surface of the connecting plate 32 , and the fixing bolt 33 is threadedly connected to the inside of the threaded hole B and is connected to the threaded hole A.

[0033] The outer surface of the connecting block 31 is clamped in the inner part of the circular groove, and the bottom of the connecting plate 32 and the top of the B steel plate 12 are in contact with each other.

[0034] Specifically, the connecting block 31 is snapped into the inside of the circular groove so that the bottom of the connecting plate 32 contacts the top of the B steel plate 12, and then the position of the connecting plate 32 and the B steel plate 12 is fixed by the fixing bolt 33, so as to facilitate the connection between the A steel plate 11 and the B steel plate 12. At the same time, the fixing bolt 33 is loosened to facilitate the staff to disassemble the A steel plate 11 and the B steel plate 12, thereby improving work efficiency.

[0035] Working principle:

[0036] Step 1: First, the staff puts the B steel plate 12 into the foundation pit, then holds the A steel plate 11 so that the connecting block 31 on the side of the A steel plate 11 overlaps with the circular groove on the top of the B steel plate 12, loosens the A steel plate 11, and uses gravity to make the A steel plate 11 slide to the bottom of the foundation pit and engage with the B steel plate 12, and then fixes the positions of the A steel plate 11 and the B steel plate 12 by the fixing bolt 33;

[0037] The second step, finally, pass the limit block 23 through the interior of the slide slot, so that the reinforcing rod 21 and the surface of the B steel plate 12 are in contact with each other, and move downward. When it reaches the appropriate position, place the fixing plate 22 on the top of the reinforcing rod 21, and use the threaded bolt 221 to fix the reinforcing rods 21, and then pass the limit plate 13 through the interior of the slide slot and make contact with the top of the limit block 23. Repeat the operation in sequence, and the entire workflow is completed.

[0038] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A support structure for foundation pit steel sheet piles, comprising a steel sheet pile support body (1), characterized in that: A stabilizing component (2) is installed at the angle of the steel sheet pile supporting body (1), and a connecting component (3) is installed at the top of the steel sheet pile supporting body (1). The stabilizing component (2) comprises a reinforcing rod (21), a fixing plate (22) and a limiting block (23). The limiting block (23) is fixedly connected to the side of the reinforcing rod (21) on a side close to the fixing plate (22). The top of the reinforcing rod (21) and the bottom of the fixing plate (22) are in contact with each other, and the fixing plate (22) is fixed to the top of the reinforcing rod (21) by a threaded bolt (221).

2. A supporting structure for foundation pit steel sheet piles according to claim 1, characterized in that: The steel sheet pile supporting body (1) comprises an A steel plate (11) and a B steel plate (12), wherein the A steel plate (11) is clamped inside the B steel plate (12).

3. A supporting structure for foundation pit steel sheet piles according to claim 2, characterized in that: The outer surfaces of the A steel plate (11) and the B steel plate (12) are both provided with sliding grooves, and the limiting blocks (23) are slidably connected to the inside of the sliding grooves.

4. A supporting structure for foundation pit steel sheet piles according to claim 3, characterized in that: A limit plate (13) is installed inside the slide groove, the bottom end of the limit plate (13) is in contact with the top of the limit block (23), a circular groove is provided on the top of the B steel plate (12), and an A threaded hole is provided on one side of the circular groove.

5. A supporting structure for foundation pit steel sheet piles according to claim 2, characterized in that: The connecting component (3) comprises a connecting block (31), a connecting plate (32) and a fixing bolt (33); the top of the connecting block (31) is fixedly connected to the bottom of the connecting plate (32); and the side of the A steel plate (11) close to the B steel plate (12) is fixedly connected to the side of the connecting block (31).

6. A supporting structure for foundation pit steel sheet piles according to claim 5, characterized in that: The outer surface of the connecting plate (32) is provided with a B threaded hole, and the fixing bolt (33) is threadedly connected to the inside of the B threaded hole and is connected to the A threaded hole.

7. A supporting structure for foundation pit steel sheet piles according to claim 5, characterized in that: The outer surface of the connecting block (31) is clamped in the interior of the circular groove, and the bottom of the connecting plate (32) is in contact with the top of the B steel plate (12).

Citation Information

Patent Citations

  • Steel sheet pile supporting structure for road deep foundation pit

    CN219808386U