Auxiliary device for pile foundation hole forming construction
The design of the cofferdam structure composed of four panels and the clamping components solves the problems of stability and connection strength of traditional cofferdam structures, ensuring the safety and progress of pile foundation drilling.
Patent Information
- Application Number
- CN202422934209.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional cofferdam structures lack stability and have low connection strength during pile foundation drilling, which can easily lead to the collapse of the borehole wall, affecting the construction progress and safety.
The cofferdam structure consists of four panels, each panel being composed of multiple sheet piles. Through the cooperation of clamping components such as clamping wedges and adjusting bolts, the joints of adjacent sheet piles are precisely aligned and continuous pressure is applied, thereby improving the stability and overall strength of the structure.
It effectively prevents borehole wall collapse, provides a stable construction environment, and improves construction safety and progress.
Smart Images
Figure CN223577146U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pile foundation hole forming construction technical field, concretely relates to a kind of auxiliary device for pile foundation hole forming construction. BACKGROUND
[0002] In pile foundation hole forming construction, cofferdam structure is the key to ensure construction safety and hole wall stability. However, the traditional cofferdam structure has the following problems: insufficient stability: the traditional cofferdam structure is prone to hole wall collapse during construction, affecting construction progress and safety. Low connection strength: the connection between steel sheet piles is not strong enough to withstand external pressure. INVENTION CONTENTS
[0003] Therefore, the utility model provides a kind of auxiliary device for pile foundation hole forming construction to overcome the problems of prior art.
[0004] The utility model is implemented by the following technical solutions:
[0005] A kind of auxiliary device for pile foundation hole forming construction, including cofferdam structure, the cofferdam structure can be pile foundation hole forming construction, the cofferdam structure can assist to form solid hole wall, the cofferdam structure is composed of four panel pieces, each panel piece is spliced by a plurality of steel sheet piles, the steel sheet pile group includes a plurality of mutually spliced steel sheet piles, and the insertion joint of adjacent steel sheet piles is aligned and inserted, and is centrally symmetrically arranged, a compression assembly is fixedly arranged on the insertion joint of the steel sheet pile, and the compression assembly can compress the connection of the insertion joint of adjacent steel sheet piles.
[0006] Preferably, the steel sheet pile includes a horizontal plate, the horizontal plate is fixedly connected with a side plate on both sides, and the side plate is fixedly connected with a U-shaped buckle at the side end.
[0007] Preferably, the adjacent U-shaped buckles are aligned and inserted, and are centrally symmetrically arranged.
[0008] Preferably, a limiting groove is fixedly arranged at the connection between the U-shaped buckle and the side plate, the limiting groove is fixed on the U-shaped buckle, a compression wedge is slidingly connected in the limiting groove, one side of the compression wedge is rotatably connected with an adjusting bolt through a rotating block, and the adjusting bolt penetrates the U-shaped buckle.
[0009] Preferably, one side of the compression wedge is a flat surface, and is attached to the side plate, the other side is an inclined surface, and is inclined from the horizontal plate to the U-shaped buckle, the side end of the compression wedge close to the horizontal plate can be inserted into the connection between the U-shaped buckle and the side plate, the side end of the compression wedge away from the horizontal plate is embedded in the limiting groove, and the length of the side end of the compression wedge away from the horizontal plate is greater than that of the side end of the compression wedge close to the horizontal plate.
[0010] Advantages of this utility model: The cofferdam structure is composed of four panels, each panel being spliced together from multiple sheet pile groups. The insertion points of adjacent sheet piles are precisely aligned and interlocked, and are centrally symmetrically arranged, which improves the stability of the overall structure. A clamping component is set at the insertion point of the sheet piles. Through the cooperation of clamping wedges and adjusting bolts, continuous pressure can be applied to adjacent sheet piles, effectively preventing loosening at the connection and improving the overall strength and deformation resistance of the structure. Attached image description:
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] Figure 1 This is a schematic diagram of the structure described in this utility model;
[0013] Figure 2 The present utility model Figure 1 A magnified schematic diagram of the structure at point A in the middle.
[0014] In the diagram: Plate 1, Horizontal plate 2, Side plate 3, U-shaped buckle 4, Pressing wedge 5, Adjusting bolt 6. Detailed implementation method:
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] like Figure 1 , Figure 2 As shown, an auxiliary device for pile foundation drilling includes a cofferdam structure. Pile foundation drilling can be carried out within the cofferdam structure. The cofferdam structure can assist in forming a solid hole wall. The cofferdam structure is composed of four panels 1. Each panel 1 is spliced together from multiple sheet pile groups. Each sheet pile group includes multiple sheet piles spliced together, and the insertion parts of adjacent sheet piles are aligned and inserted into each other and are centrally symmetrically arranged. A clamping component is fixedly provided on the insertion part of the sheet pile, which can clamp the connection of the insertion parts of adjacent sheet piles.
[0017] Specifically:
[0018] The insertion parts of adjacent steel sheet piles need to be accurately aligned and engaged to ensure the central symmetry of the structure, and a pressing assembly is fixedly installed at the insertion part of the steel sheet pile, which can apply pressure to the connection of adjacent steel sheet piles to enhance the tightness thereof, in this way, the stability and firmness of the cofferdam structure are significantly improved, and the collapse of the hole wall during the pile hole forming construction is effectively prevented, thereby providing a stable working environment for the pile hole forming construction.
[0019] The steel sheet pile comprises a horizontal plate 2, the two sides of the horizontal plate 2 are fixedly connected with side plates 3, and the side ends of the side plates 3 are fixedly connected with U-shaped buckles 4. Adjacent U-shaped buckles 4 are aligned and inserted with each other and are centrally symmetrically arranged. A limiting groove is fixedly arranged at the connection between the U-shaped buckle 4 and the side plate 3, the limiting groove is fixed on the U-shaped buckle 4, a pressing wedge 5 is slidingly connected in the limiting groove in a fit manner, one side of the pressing wedge 5 is rotatably connected with an adjusting bolt 6 through a rotating block, and the adjusting bolt 6 penetrates through the U-shaped buckle 4. One side surface of the pressing wedge 5 is arranged in a plane and is arranged in a fit manner with the side plate 3, and the other side surface is arranged in an inclined surface and is arranged in an inclined manner from the horizontal plate 2 to the U-shaped buckle 4, the side end of the pressing wedge 5 close to the horizontal plate 2 can be inserted into the connection between the U-shaped buckle 4 and the side plate 3, the side end of the pressing wedge 5 away from the horizontal plate 2 is embedded into the limiting groove, and the length of the side end of the pressing wedge 5 away from the horizontal plate 2 is greater than that of the side end of the pressing wedge 5 close to the horizontal plate 2.
[0020] Specifically,
[0021] The horizontal plate 2 serves as a main horizontal support and is fixedly connected with the side plates 3, and the frame structure of the steel sheet pile, the side ends of the side plates 3 are fixedly connected with the U-shaped buckles 4, the adjacent U-shaped buckles 4 can be aligned and inserted with each other to form a continuous locking system, and the central symmetry arrangement enhances the stability and integrity of the structure.
[0022] The rotating adjusting bolt 6 can push the pressing wedge 5 to slide, that is, when the adjusting bolt 6 is rotated, the pressing wedge 5 is pushed to slide, since one side surface of the pressing wedge 5 is arranged in a plane and is arranged in a fit manner with the side plate 3, and the other side surface is arranged in an inclined surface and is arranged in an inclined manner from the horizontal plate 2 to the U-shaped buckle 4, and the length of the side end of the pressing wedge 5 away from the horizontal plate 2 is greater than that of the side end of the pressing wedge 5 close to the horizontal plate 2, then during the sliding process of the pressing wedge 5, a force tendency is generated on the U-shaped buckle 4 of the adjacent steel sheet pile, thereby generating a pressing force to realize the fastening and stability of the structure.
[0023] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An auxiliary device for pile foundation drilling, characterized in that, The system includes a cofferdam structure within which pile foundation drilling can be performed. The cofferdam structure can assist in forming a robust borehole wall. The cofferdam structure consists of four panels, each panel being composed of multiple sheet pile groups. Each sheet pile group includes multiple interconnected sheet piles, with adjacent sheet piles having their insertion parts aligned and symmetrically arranged. A clamping component is fixedly provided on the insertion part of each sheet pile, which can clamp the connection between adjacent sheet pile insertion parts.
2. The auxiliary device for pile foundation drilling construction according to claim 1, characterized in that: The sheet pile includes a horizontal plate, and side plates are fixedly connected to both sides of the horizontal plate. U-shaped buckles are fixedly connected to the side ends of the side plates.
3. The auxiliary device for pile foundation drilling construction according to claim 1, characterized in that: Adjacent U-shaped buckles are aligned and inserted into each other, and are arranged symmetrically at the center.
4. The auxiliary device for pile foundation drilling construction according to claim 3, characterized in that: A limiting groove is fixedly provided at the connection between the U-shaped buckle and the side plate. The limiting groove is fixed on the U-shaped buckle. A pressing wedge is slidably connected in the limiting groove. An adjusting bolt is rotatably connected to one side of the pressing wedge via a rotating block. The adjusting bolt passes through the U-shaped buckle.
5. The auxiliary device for pile foundation drilling construction according to claim 4, characterized in that: One side of the clamping wedge is flat and fits against the side plate, while the other side is inclined and tilted from the horizontal plate toward the U-shaped buckle. The side end of the clamping wedge near the horizontal plate can be inserted into the connection between the U-shaped buckle and the side plate, and the side end of the clamping wedge away from the horizontal plate is embedded in the limiting groove. The length of the side end of the clamping wedge away from the horizontal plate is greater than that of the side end of the clamping wedge near the horizontal plate.