Foundation pit supporting steel sheet pile for constructional engineering
By setting locking components between steel sheet piles, the problem of easy displacement and tilting of steel sheet piles during construction is solved, the steel sheet piles are firmly connected, the strength and rigidity of the foundation pit support structure are improved, and the construction risk is reduced.
Patent Information
- Application Number
- CN202423050830.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
In the existing technology, there is a lack of fixed connection between adjacent steel sheet piles, which makes them prone to displacement or tilting during construction, increases construction difficulty and cost, affects the strength and rigidity of the support structure, and has poor effect in resisting external pressure, posing a safety hazard.
A locking assembly, including a bayonet and a locking block, is used. Through the design of movable plug-in and locking block, a stable connection between the first steel sheet pile body and the second steel sheet pile body is achieved. The extrusion spring and roller are used to reduce friction, ensure parallel plug-in of the steel sheet piles, and enhance the stability and uniformity of force of the overall support structure.
It improves the tightness between steel sheet piles and the overall strength and rigidity of the support structure, ensures uniform force, reduces construction difficulty and cost, and enhances the safety and support effect of foundation pit construction.
Smart Images

Figure CN223458789U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of building engineering especially relates to a building engineering foundation pit support steel sheet pile. BACKGROUND
[0002] Building engineering foundation pit support steel sheet pile, as an indispensable part in modern civil engineering field, is mainly used for the temporary support structure in the deep foundation pit excavation process, and they form continuous or discontinuous enclosure barriers through the steel sheet inserted into the soil, effectively prevent the collapse of the foundation pit excavation soil mass, ensure the construction safety and the smooth progress of the subsequent engineering, and the steel sheet is widely applied in the building engineering with the characteristics of high strength, easy construction and reusability.
[0003] In the prior art, the steel sheet pile is inserted into the foundation pit edge in multiple groups in the construction process, and the adjacent two groups of steel sheet piles are inserted together to promote the connection and stability between the steel sheet piles, but in the actual use process, the adjacent steel sheet piles lack fixed connection, which makes the displacement or inclination phenomenon easily occur in the construction process, increases the construction difficulty and cost, and the inclined steel sheet pile is easy to appear uneven stress phenomenon in use, affects the later use, and also affects the strength and rigidity of the overall support structure, so that the resistance to external pressure effect is poor, and it also brings safety hidden danger to the foundation pit construction, therefore, the building engineering foundation pit support steel sheet pile is provided to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model discloses a building engineering foundation pit support steel sheet pile to solve the above problems.
[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
[0006] A building engineering foundation pit support steel sheet pile, comprising:
[0007] The first steel sheet pile body and the second steel sheet pile body are provided with multiple groups, and the first steel sheet pile body and the second steel sheet pile body are movably inserted together, the outer wall of the first steel sheet pile body is provided with a locking assembly, and the locking assembly comprises:
[0008] A bayonet is arranged on the outer wall of the second steel sheet pile body;
[0009] The first steel sheet pile body outer wall is provided with a connecting groove, and the locking block is movably inserted into the connecting groove inner wall.
[0010] Preferably, the locking block outer wall is provided with a groove, and the locking block outer wall groove inner wall is rotatably connected with a roller shaft through a pin shaft.
[0011] Preferably, the connecting groove inner cavity is provided with a sliding groove, and the sliding groove inner wall movably clamps a sliding block.
[0012] Preferably, the connecting groove inner wall is fixedly provided with an extrusion spring, and the other end of the extrusion spring is fixedly arranged on the locking block outer wall.
[0013] Preferably, the first steel sheet pile body top is provided with a moving port, the locking block top is fixedly provided with a moving block, and the moving block top extends upward through the moving port, and the moving block top is fixedly provided with a connecting plate.
[0014] Preferably, the connecting plate top is provided with a groove, and the connecting plate top groove inner wall is rotatably connected with a pull ring through a pin shaft.
[0015] Preferably, the first steel sheet pile body outer wall is provided with a clamping groove, and the pull ring outer wall is clamped in the clamping groove.
[0016] Preferably, the first steel sheet pile body outer wall is provided with a lock port.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] 1. In the utility model, through the connecting relationship of the first steel sheet pile body, the second steel sheet pile body, the clamping port and the locking block, when the first steel sheet pile body is inserted into the second steel sheet pile body, the locking block is driven to move, when the first steel sheet pile body moves to the position parallel to the second steel sheet pile body, the locking block is aligned with the clamping port, the locking block is inserted and clamped in the clamping port through the extrusion spring, the first steel sheet pile body and the second steel sheet pile body are conveniently limited together, the adjacent steel sheet piles are locked together, the tightness between the steel sheet piles is further improved, the overall strength and rigidity of the supporting structure are improved, the first steel sheet pile body and the second steel sheet pile body can resist external pressure better, and the installation parallelism of the first steel sheet pile body and the second steel sheet pile body is promoted, the stress uniformity of the supporting knot is improved, and the supporting effect is improved.
[0019] 2、In the utility model, through setting the connecting relationship of the pull ring, the clamping groove and the locking block, the staff pulls the pull ring by hand, the pull ring drives the locking block to move, the locking block is received in the connecting groove, at the moment, the locking block is separated from the clamping port, the first steel sheet pile body and the second steel sheet pile body are dispersed, the use position of the pull ring is fixed by hanging the pull ring in the clamping groove, so that the locking block is kept in the connecting groove, which is convenient for later dismounting.
[0020] 3、In the utility model, the outer wall of the locking block is provided with the roller shaft through the pin shaft rotation, the roller shaft rolls on the outer wall of the second steel sheet pile body, which is convenient for reducing the friction force of the locking block on the outer wall of the second steel sheet pile body when the first steel sheet pile body is inserted into the second steel sheet pile body, reducing the abrasion phenomenon and promoting installation. BRIEF DESCRIPTION OF DRAWINGS
[0021] The drawings described herein are used to provide further understanding of the utility model, constitute a part of this application, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.
[0022] In the drawings:
[0023] Figure 1 It is the whole structure schematic view of the utility model;
[0024] Figure 2 It is the clamping port structure schematic view of the utility model;
[0025] Figure 3 It is the locking block structure schematic view of the utility model;
[0026] Figure 4 It is the first steel sheet pile body structure sectional view of the utility model;
[0027] Figure 5 It is the pull ring structure schematic view of the utility model.
[0028] The serial number in the drawing: 1, first steel sheet pile body;2, second steel sheet pile body;201, clamping port;3, locking block;301, roller shaft;302, connecting groove;303, extrusion spring;304, sliding slot;305, sliding block;306, moving port;307, moving block;308, connecting plate;309, pull ring;310, clamping groove;311, lock port. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.
[0030] The embodiment provides a building engineering foundation pit supporting steel sheet pile, referring to Figures 1-5 , specifically comprising:
[0031] The first steel sheet pile body 1 and the second steel sheet pile body 2 are provided with multiple groups, and the first steel sheet pile body 1 and the second steel sheet pile body 2 are movably inserted together, the steel sheet pile is hoisted to a pile insertion point by a crane, and after being aligned with a mounting port, the steel sheet pile is lightly hammered and inserted, and then the operation is repeated, so that multiple groups of steel sheet piles are inserted into the edge of the foundation pit for supporting, the outer wall of the first steel sheet pile body 1 is provided with a locking assembly, and the locking assembly comprises:
[0032] The bayonet 201 is arranged on the outer wall of the second steel sheet pile body 2.
[0033] The locking block 3 is movably inserted into the inner wall of the connecting groove 302, and the other end of the locking block 3 is abutted and clamped in the corresponding bayonet 201, in construction, after the second steel sheet pile body 2 is inserted into the foundation pit, the first steel sheet pile body 1 is inserted into the corner of the second steel sheet pile body 2, the first steel sheet pile body 1 is hammered, the first steel sheet pile body 1 is moved downward, the locking block 3 is moved downward, when the first steel sheet pile body 1 moves to be parallel to the second steel sheet pile body 2, the locking block 3 is aligned with the bayonet 201, the locking block 3 is moved outward, the locking block 3 is inserted and clamped in the bayonet 201, the first steel sheet pile body 1 and the second steel sheet pile body 2 are limited together, the parallelism of the first steel sheet pile body 1 and the second steel sheet pile body 2 is further improved, and the uneven stress phenomenon of the supporting structure caused by the non-parallelism of the steel sheet pile is reduced.
[0034] The outer wall of the locking block 3 is provided with a groove, and the inner wall of the groove in the outer wall of the locking block 3 is rotatably connected with the rolling shaft 301 through a pin shaft, so as to reduce the friction force of the locking block 3 on the outer wall of the second steel sheet pile body 2 when the first steel sheet pile body 1 is inserted into the second steel sheet pile body 2, reduce the abrasion phenomenon, and promote installation.
[0035] The inner cavity of the connecting groove 302 is provided with a sliding groove 304, and the inner wall of the sliding groove 304 is movably clamped with a sliding block 305, the sliding block 305 is fixedly arranged on the outer wall of the locking block 3, and the sliding range and the moving path of the locking block 3 are limited by limiting the sliding of the sliding block 305 in the sliding groove 304.
[0036] The extrusion spring 303 is fixedly arranged on the inner wall of the connecting groove 302 and the other end of the extrusion spring 303 is fixedly arranged on the outer wall of the locking block 3, the locking block 3 is automatically inserted into the bayonet 201 by the pushing force of the extrusion spring 303 when the locking block 3 is aligned with the bayonet 201, and the position state is maintained under the condition of no adjustment, and the installation stability is further improved.
[0037] The moving block 307 is fixedly arranged on the top of the locking block 3, the top of the moving block 307 extends upwards through the moving port 306, the connecting plate 308 is fixedly arranged on the top of the moving block 307, the action point of the locking block 3 is extended, the staff can be contacted conveniently, and the locking block 3 is moved by adjusting the connecting plate 308.
[0038] The recess is arranged on the top of the connecting plate 308, the pull ring 309 is rotatably connected to the inner wall of the recess arranged on the top of the connecting plate 308 through a pin shaft, the staff holds the pull ring 309 and pulls it backwards, the pull ring 309 moving backwards drives the moving block 307 to move backwards, the moving block 307 moving backwards drives the locking block 3 to move backwards, the locking block 3 is retracted into the connecting groove 302, at this time, the locking block 3 is separated from the bayonet 201, the first steel sheet pile body 1 and the second steel sheet pile body 2 are dispersed, and the disassembly in the later period is facilitated.
[0039] The clamping groove 310 is arranged on the outer wall of the first steel sheet pile body 1, and the outer wall of the pull ring 309 is clamped in the clamping groove 310, the use position of the pull ring 309 is fixed by hanging and buckling the pull ring 309 in the clamping groove 310, so that the locking block 3 is kept in the connecting groove 302.
[0040] The lock port 311 is arranged on the outer wall of the first steel sheet pile body 1, the locking block 3 on the second steel sheet pile body 2 is abutted and clamped in the lock port 311, the stability between the first steel sheet pile body 1 and the second steel sheet pile body 2 is further improved, and the supporting effect is promoted.
[0041] Specifically, the working principle and operation method of the utility model are as follows:
[0042] In construction, the staff operates the device to drive the second steel sheet pile body 2 into the corresponding position of the foundation pit, and then inserts the first steel sheet pile body 1 into the corner of the second steel sheet pile body 2, strikes the first steel sheet pile body 1, moves the first steel sheet pile body 1 downward, drives the locking block 3 to move downward, and makes the roller 301 slide along the outer wall of the second steel sheet pile body 2, so as to reduce the friction between the locking block 3 and the outer wall of the second steel sheet pile body 2 when the first steel sheet pile body 1 is inserted into the second steel sheet pile body 2, reduce the abrasion phenomenon, promote installation, and when the first steel sheet pile body 1 moves to be parallel to the second steel sheet pile body 2, the locking block 3 is aligned with the bayonet 201, the locking block 3 is pushed outward by the pushing force of the compression spring 303, the locking block 3 is inserted and clamped in the bayonet 201, the first steel sheet pile body 1 and the second steel sheet pile body 2 are limited together, the adjacent steel sheet piles are fixed together, the tightness between the steel sheet piles is further improved, the overall strength and rigidity of the supporting structure are enhanced, the supporting structure can resist external pressure better, and the installation of the first steel sheet pile body 1 and the second steel sheet pile body 2 is parallel, and the phenomenon that the supporting structure is unevenly stressed due to the non-parallel steel sheet piles is reduced.
[0043] In construction, the staff holds the pull ring 309 and pulls it, drives the moving block 307 to move backward through the moving pull ring 309, drives the locking block 3 to move backward through the backward moving moving block 307, and makes the locking block 3 enter the connecting groove 302, at this time, the locking block 3 is separated from the bayonet 201, the first steel sheet pile body 1 and the second steel sheet pile body 2 are dispersed, and the use position of the pull ring 309 is fixed by hanging the pull ring 309 in the clamping groove 310, so that the locking block 3 remains in the connecting groove 302, and the later disassembly is facilitated.
[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A construction engineering foundation pit support steel sheet pile, comprising a first steel sheet pile body (1) and a second steel sheet pile body (2), the first steel sheet pile body (1) and the second steel sheet pile body (2) are provided with multiple groups, and the first steel sheet pile body (1) and the second steel sheet pile body (2) are movably inserted together, characterized in that: The first steel sheet pile body (1) outer wall is provided with a locking assembly, which comprises: The bayonet (201) is opened on the outer wall of the second steel sheet pile body (2); The locking block (3) is movably inserted into the inner wall of the connecting groove (302) of the first steel sheet pile body (1) outer wall, and the other end of the locking block (3) is connected and clamped in the corresponding bayonet (201).
2. The building engineering foundation pit support steel sheet pile according to claim 1, characterized in that: The outer wall of the locking block (3) is provided with a groove, and the inner wall of the groove opened in the outer wall of the locking block (3) is rotatably connected with a roller shaft (301) through a pin shaft.
3. The building engineering foundation pit support steel sheet pile according to claim 1, characterized in that: The connecting groove (302) is provided with a sliding groove (304) in the inner cavity, and the sliding groove (304) is movably connected with a sliding block (305) on the inner wall.
4. A building engineering foundation pit support steel sheet pile according to claim 3, characterized in that: The inner wall of the connecting groove (302) is fixedly provided with an extrusion spring (303), and the other end of the extrusion spring (303) is fixedly provided on the outer wall of the locking block (3).
5. The building engineering foundation pit support steel sheet pile according to claim 1, characterized in that: The top of the first steel sheet pile body (1) is provided with a moving port (306), and the top of the locking block (3) is fixedly provided with a moving block (307), and the moving block (307) extends upward through the moving port (306), and the top of the moving block (307) is fixedly provided with a connecting plate (308).
6. A building engineering foundation pit support steel sheet pile according to claim 5, characterized in that: The top of the connecting plate (308) is provided with a groove, and the inner wall of the groove opened in the top of the connecting plate (308) is rotatably connected with a pull ring (309) through a pin shaft.
7. The building engineering foundation pit support steel sheet pile according to claim 1, characterized in that: The outer wall of the first steel sheet pile body (1) is provided with a clamping groove (310), and the outer wall of the pull ring (309) is clamped in the clamping groove (310).
8. The building engineering foundation pit support steel sheet pile according to claim 1, characterized in that: The outer wall of the first steel sheet pile body (1) is provided with a lock port (311).