Novel foundation pit under-pipe steel sheet pile support
By adopting a combined structure of sliding sleeve and steel plate support arms in foundation pit construction, the problem of difficult support of steel sheet piles under complex pipeline networks is solved, and effective support of soil under foundation pit pipes and construction safety is improved.
Patent Information
- Application Number
- CN202421119570.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-02-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the construction of foundation pits, the complex underground pipeline network makes it difficult to carry out steel sheet pile support, resulting in soil collapse and construction safety threats.
A new type of steel sheet pile support under foundation pit tube is designed, and a combined structure of sliding sleeve and steel plate support arm is adopted. Through the cooperation of rotating gears and moving slots, the steel plate support arm is expanded and fixed, adapted to retaining steel plates of different sizes.
It effectively prevents the loss of soil under the foundation pit pipe, reduces the risk of soil collapse, improves the safety of the construction environment, simplifies the construction process, and reduces costs.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel sheet pile support, in particular to a novel steel sheet pile support under a foundation pit pipe. Background Art
[0002] In recent years, with the rapid development of the economy, the status of municipal construction has become increasingly prominent. Foundation pit support, as an indispensable construction method for municipal construction, plays an important role in the laying of rainwater, sewage and power pipelines.
[0003] At present, in the construction process of pipeline foundation pit, in order to prevent the soil from tilting and ensure the safety of the construction environment, steel sheet piles will be supported before soil excavation. Faced with the complex underground pipeline network, when encountering thermal pipes, rainwater and sewage branch pipes and tap water pipes, it is impossible to install steel plates for support according to construction requirements. This will cause the soil above and below the pipeline to collapse. When washed by rainwater, mud will flow from the outside of the steel sheet piles into the foundation pit along the bare soil, seriously affecting the normal progress of construction. With the loss of a large amount of soil, the supporting force of the soil under the pipeline gradually decreases, and the pipeline may collapse at any time, seriously endangering construction safety. Utility Model Content
[0004] The utility model aims to solve the above-mentioned problem and provides a novel steel sheet pile support under the foundation pit pipe. By utilizing its unique design and structure, the utility model effectively ensures the loss of soil under the foundation pit pipe, greatly reduces the collapse of exposed pipes in the foundation pit caused by soil loss, increases the safety of the construction environment, and effectively improves the construction progress. The utility model has low construction cost, simple structure and is easy to install.
[0005] The utility model is realized through the following technical scheme: a novel steel sheet pile support under a foundation pit pipe, comprising a sliding sleeve, characterized in that steel plate support arms are respectively inserted in the upper and lower sleeves of the sliding sleeve, wherein one steel plate support arm is plugged into the upper side of one end of the sliding sleeve, and the other steel plate support arm is plugged into the lower side of the other end of the sliding sleeve, and a movable slot is provided at the end of each steel plate support arm, and the movable slot is engaged with a rotating gear, and the rotating gear is arranged in the middle position inside the sliding sleeve, and the rotating gear passes through the outer side of the sliding sleeve to leave a rotating rod, and a rotating valve is socket-connected to the rotating rod.
[0006] Furthermore, the rotation fixing buckle is fixed to the connection between the rotary valve and the rotary rod, and the switch of the rotary valve is determined by reverse connection.
[0007] Furthermore, the front end of each steel plate support arm is provided with anti-slip grooves.
[0008] Furthermore, the sliding sleeve is installed on the outside of the retaining steel plate.
[0009] The beneficial effects of the utility model are as follows: the utility model has a simple structure, is easy to operate, and has a good soil retaining effect. Its structural characteristics ensure the safety of working under the foundation pit pipe and can effectively prevent the exposure and sliding of the exposed soil under the foundation pit pipe.
[0010] 1. In a precipitation environment, the steel sheet piles under the pipe can effectively prevent mud from flowing into the foundation pit through the pipe, which has a great protective effect on the soil under the pipe, preventing the pipe from collapsing due to the loss of soil under the pipe, and can effectively improve the safety of the construction environment; 2. The construction method can be selected according to the on-site environment. The support arm can be used to clamp the two steel plates for sealing, or the support arm can be extended to the outside of the steel sheet pile to seal the soil pressure; 3. The unique design structure can effectively prevent soil collapse and ensure the construction safety in the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the support arm connection of the utility model;
[0013] Figure 3 It is a main schematic diagram of the utility model;
[0014] Figure 4 It is a top view schematic diagram of the utility model;
[0015] Figure 5 It is a side view schematic diagram of the utility model;
[0016] In the attached drawings, 1 is a steel plate support arm, 2 is a retaining steel plate, 3 is a sliding sleeve, 4 is a rotary valve, 5 is a rotary fixing buckle, 6 is a rotary gear, 7 is a movable slot, and 8 is an anti-slip pattern. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and beneficial effects of the present invention more clearly understood, the technical solution of the present invention is further described below in conjunction with embodiments.
[0018] like Figures 1 to 5 As shown, a new type of steel sheet pile support under the foundation pit pipe includes a sliding sleeve 3, and steel plate support arms 1 are respectively inserted in the upper and lower sleeves of the sliding sleeve 3, wherein one steel plate support arm 1 is plugged into the upper side of one end of the sliding sleeve 3, and the other steel plate support arm 1 is plugged into the lower side of the other end of the sliding sleeve 3. The front end of each steel plate support arm 1 is provided with anti-slip grooves 8, and the end is provided with a movable slot 7, which is engaged with a rotating gear 6 to form a support point. The rotating gear 6 is arranged in the middle position inside the sliding sleeve 3, and the rotating gear 6 passes through the outer side of the sliding sleeve 3 to leave a rotating rod, and the rotating valve 4 is socket-connected to the rotating rod.
[0019] The rotation fixing buckle 5 is fixed to the connection between the rotary valve 4 and the rotary rod, and the switch of the rotary valve 4 is determined by reverse connection.
[0020] The sliding sleeve 3 is installed on the outside of the retaining steel plate 2. The retaining steel plate 2 can be adjusted and replaced according to the exposed soil area under the pipe. The sliding sleeve 3 can adjust the size of the steel plate support arm 1 through the rotary valve 4 to fix retaining steel plates 2 of different sizes.
[0021] During construction, the steel plate support arm 1 is inserted into the upper and lower sleeves of the sliding sleeve 3, so that the rotating gear 6 engages with the movable slot 7 at the rear end of the steel plate support arm 1, and the rotary valve 4 is fixed to the rotating rod by a socket connection. The rotating fixing buckle 5 is placed between the rotating rod of the sliding sleeve 3 and the rotary valve 4 to lock the rotary valve 4. After assembly, retaining steel plates 2 of different sizes can be fixed to govern the exposed soil part.
[0022] When in use, the rotary valve 4 is rotated, and the rotary gear 6 rotates accordingly, thereby linking the steel plate support arm 1 to extend and retract back and forth in the sliding sleeve 3 to meet the fixing requirements of retaining steel plates 2 of different sizes.
[0023] Except for the technical features described in the specification, the other technical features are known technologies to those skilled in the art.
Claims
1. A novel steel sheet pile support under a foundation pit pipe, comprising a sliding sleeve (3), characterized in that: Steel plate support arms (1) are inserted into the upper and lower sleeves of the sliding sleeve (3), respectively. One steel plate support arm (1) is plugged into the upper side of one end of the sliding sleeve (3), and the other steel plate support arm (1) is plugged into the lower side of the other end of the sliding sleeve (3). A movable slot (7) is provided at the end of each steel plate support arm (1). The movable slot (7) is engaged with a rotating gear (6). The rotating gear (6) is arranged in the middle of the sliding sleeve (3). The rotating gear (6) passes through the outer side of the sliding sleeve (3) and leaves a rotating rod. The rotating valve (4) is connected to the rotating rod by a socket.
2. A new type of steel sheet pile support under foundation pit pipe according to claim 1, characterized in that: The rotary fixing buckle (5) is fixed to the connection between the rotary valve (4) and the rotary rod, and the switch of the rotary valve (4) is determined by reverse connection.
3. A new type of steel sheet pile support under foundation pit pipe according to claim 1, characterized in that: The front end of each steel plate support arm (1) is provided with an anti-slip pattern (8).
4. A new type of steel sheet pile support under foundation pit pipe according to claim 1, characterized in that: The sliding sleeve (3) is installed on the outside of the retaining steel plate (2).