Civil engineering foundation pit protection structure
By introducing locking components and magnet blocks into the foundation pit protection structure of civil engineering projects, the problems of handle self-rotation and difficulty in replacing the fixing cone are solved, achieving higher fixing stability and convenient maintenance, and ensuring the safety of the foundation pit slope.
Patent Information
- Application Number
- CN202520607216.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
In existing civil engineering foundation pit protection structures, the handle is prone to rotating on its own, affecting the stability of the fixation, and the integrated design of the fixing cone and the base plate makes it difficult to replace them separately.
It adopts a locking component and magnet block design, and the handle is limited and locked through the positioning hole and magnet block. The fixed cone and base plate are designed separately, which makes it easy to replace them separately.
This improves the stability of the protective structure and facilitates the replacement of damaged fixing cones later, ensuring the stability of the foundation pit slope and construction safety.
Smart Images

Figure CN223951796U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of foundation pit protection, in particular to a civil engineering foundation pit protection structure. BACKGROUND
[0002] The foundation pit is a soil pit excavated according to the foundation design position, the foundation bottom elevation and the foundation plane size, and in civil engineering, sometimes some foundation pits are excavated, due to different soil qualities, the side slope of some foundation pits is easy to collapse, which affects the foundation pit structure and leads to the subsequent construction unable to proceed in order, so it is necessary to use a protection structure to prevent the side slope of the foundation pit from collapsing.
[0003] The prior art has the following disadvantages: in the "civil engineering foundation pit protection structure" with the application number 202323044417.1, the "adjusting component is fixedly installed on one side of the positioning plate, the assembling component is slidably installed on the outer wall of the adjusting component, the adjusting component comprises a first protection telescopic plate, the first protection telescopic plate is fixedly installed on one side of the positioning plate, the mounting block is fixedly installed on one side of the first protection telescopic plate, the threaded rod is rotatably installed in the mounting block, and the handle is fixedly installed on one end of the threaded rod";
[0004] The above protection structure can adapt to foundation pits with different depths by setting the handle, the threaded rod, the bottom plate and the like, but the above protection structure lacks a mechanism for locking the handle (the handlebar), the handle (the handlebar) is easy to rotate by itself and thus drive the bottom plate to move, which affects the overall fixing stability of the protection structure, and the fixing cone of the above protection structure is usually designed in an integral type with the bottom plate, so the fixing cone is difficult to disassemble and it is often inconvenient to replace a damaged fixing cone of a certain group in the later period. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a civil engineering foundation pit protection structure to solve the problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a civil engineering foundation pit protection structure, comprising a protection plate, one side of the protection plate is provided with a fixed plate and a mounting plate, a threaded rod is arranged on the fixed plate, a moving frame and a handle are arranged on the threaded rod, a bottom plate is arranged at the bottom of the moving frame, a fixed cone and a circular block are arranged at the bottom of the bottom plate, a locking assembly is arranged on the fixed plate, a plurality of positioning holes are formed at the bottom of the handle, a connecting groove and a moving opening are formed at the bottom of the circular block, a fixed block is arranged on the fixed cone, a fixed opening is formed on one side of the circular block, and a magnet block is arranged in the fixed opening.
[0007] The locking assembly comprises a positioning rod, a hollow groove, a spring, a limiting groove, a limiting block and a control rod, the positioning rod is arranged on the fixing plate, the top of the fixing plate is provided with the hollow groove, the spring is arranged in the hollow groove, limiting grooves are formed in the inner walls of the hollow groove, the bottom end of the positioning rod is provided with the limiting block, and the control rod is arranged on one side of the positioning rod.
[0008] As a preferred technical scheme of the utility model, the handle is fixedly installed at the top of the threaded rod and is in the shape of plum blossom, and the bottom end of the spring is fixedly installed at the bottom of the hollow groove.
[0009] As a preferred technical scheme of the utility model, the hollow groove is matched with the positioning rod, and the bottom end of the positioning rod is fixedly installed at the top end of the spring after extending into the hollow groove.
[0010] As a preferred technical scheme of the utility model, the bottom end of the positioning rod is fixedly installed with the limiting block on both sides, the two groups of limiting grooves are matched with the two groups of limiting blocks respectively, and the two groups of limiting blocks are clamped in the two groups of limiting grooves respectively.
[0011] As a preferred technical scheme of the utility model, the positioning hole is matched with the top end of the positioning rod, the top end of the positioning rod is clamped in one of the positioning holes, and the control rod is fixedly installed on one side of the positioning rod and close to the bottom of the handle.
[0012] As a preferred technical scheme of the utility model, the round block is fixedly installed at the bottom of the bottom plate, the connecting groove is matched with the fixing cone, and the top end of the fixing cone is clamped in the connecting groove.
[0013] As a preferred technical scheme of the utility model, the fixing block is fixedly installed at the top of one side of the fixing cone, the moving port and the fixing port are matched with the fixing block, the fixing block is clamped in the fixing port, the fixing block is made of magnetic metal material, the magnet block is embedded in the inner wall bottom of the fixing port, and the fixing cone is provided with a plurality of groups.
[0014] Compared with the prior art, the utility model provides a kind of civil engineering foundation pit protection structure, with the following beneficial effects:
[0015] 1、This civil engineering foundation pit protection structure is locked by setting locking assembly, positioning hole, and the positioning rod is separated from handle by moving control rod downward, and handle can drive moving frame to move up and down by rotating, and then bottom plate moves up and down to adapt to different depth foundation pit, and control rod is loosened, positioning rod is clamped in the nearest positioning hole, handle is locked, and this structure can be locked when handle is not used to prevent handle from rotating and affect the stability of protection structure.
[0016] 2、The civil engineering foundation pit protection structure, through the setting up round block, connecting groove, moving mouth, fixed block, fixed mouth, magnet block, rotating fixed cone makes fixed block move to moving mouth, moving down fixed cone makes fixed block separate from moving mouth can complete the disassembly of fixed cone, reverse operation can complete the installation of fixed cone, when fixed block is clamped in fixed mouth and corresponding to the position of magnet block, fixed block will not move randomly, fixed cone is fixed, this kind of structure makes the fixed cone of protection structure and bottom plate split type design, fixed cone is convenient to disassemble, can be convenient for later period alone to some group damaged fixed cone is replaced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is whole structure schematic diagram of the utility model;
[0018] Figure 2 It is fixed plate sectional structure schematic diagram of the utility model;
[0019] Figure 3 It is handle bottom structure schematic diagram of the utility model;
[0020] Figure 4 It is fixed cone installation structure schematic diagram of the utility model;
[0021] Figure 5 It is fixed cone and round block connection schematic diagram of the utility model.
[0022] In the drawing: 1, protection plate;2, fixed plate;3, mounting plate;4, threaded rod;5, moving frame;6, bottom plate;7, handle;8, fixed cone;9, locking assembly;901, positioning rod;902, empty slot;903, spring;904, limiting slot;905, limiting block;906, control rod;10, positioning hole;11, round block;12, connecting groove;13, moving mouth;14, fixed block;15, fixed mouth;16, magnet block. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0024] Please refer to Figures 1-5In the embodiment, the civil engineering foundation pit protection structure comprises a protection plate 1, a fixing plate 2 and a mounting plate 3 are arranged on one side of the protection plate 1, a threaded rod 4 is arranged on the fixing plate 2, rotation of the threaded rod 4 can drive up and down movement of a moving frame 5, the moving frame 5 and a handle 7 are arranged on the threaded rod 4, a bottom plate 6 is arranged at the bottom of the moving frame 5, a fixing cone 8 and a circular block 11 are arranged at the bottom of the bottom plate 6, the circular block 11 can facilitate installation of the fixing cone 8, a locking assembly 9 is arranged on the fixing plate 2, a plurality of positioning holes 10 are formed in the bottom of the handle 7, a connecting groove 12 and a moving hole 13 are formed in the bottom of the circular block 11, the moving hole 13 can facilitate connection between a fixing block 14 and the circular block 11, the fixing block 14 is arranged on the fixing cone 8, a fixing hole 15 is formed in one side of the circular block 11, and a magnet block 16 is arranged in the fixing hole 15.
[0025] The locking assembly 9 comprises a positioning rod 901, an empty groove 902, a spring 903, a limiting groove 904, a limiting block 905 and a control rod 906, the positioning rod 901 is arranged on the fixing plate 2, the empty groove 902 is formed in the top of the fixing plate 2, the spring 903 is arranged in the empty groove 902, the limiting grooves 904 are formed in the inner walls of the empty groove 902, the limiting blocks 905 are arranged at the bottom end of the positioning rod 901, and the control rod 906 is arranged on one side of the positioning rod 901.
[0026] In the embodiment, the handle 7 is fixedly installed at the top of the threaded rod 4 and the handle 7 is in the shape of “plum blossom”, and the bottom end of the spring 903 is fixedly installed at the bottom of the empty groove 902.
[0027] Specifically, the spring 903 can facilitate resetting of the positioning rod 901 after downward movement.
[0028] In the embodiment, the empty groove 902 is matched with the positioning rod 901, and the bottom end of the positioning rod 901 is fixedly installed at the top end of the spring 903 after extending into the empty groove 902.
[0029] Specifically, the empty groove 902 can facilitate installation and movement of the positioning rod 901.
[0030] In the embodiment, the bottom end of the positioning rod 901 is fixedly installed with the limiting blocks 905, the two groups of limiting grooves 904 are matched with the two groups of limiting blocks 905, and the two groups of limiting blocks 905 are clamped in the two groups of limiting grooves 904.
[0031] Specifically, the limiting blocks 905 in combination with the limiting grooves 904 can prevent the positioning rod 901 from separating from the empty groove 902.
[0032] In the embodiment, the positioning holes 10 are matched with the top end of the positioning rod 901, the top end of the positioning rod 901 is clamped in one of the positioning holes 10, and the control rod 906 is fixedly installed on one side of the positioning rod 901 and close to the bottom of the handle 7.
[0033] Specifically, the positioning rod 901 can position and lock the handle 7 in combination with the positioning hole 10.
[0034] In this embodiment, the circular block 11 is fixedly installed at the bottom of the bottom plate 6, the connecting groove 12 is matched with the fixed cone 8, and the top end of the fixed cone 8 is clamped in the connecting groove 12.
[0035] Specifically, the connecting groove 12 facilitates the connection between the fixed cone 8 and the circular block 11.
[0036] In this embodiment, the fixed block 14 is fixedly installed at the top of one side of the fixed cone 8, the moving hole 13 and the fixed hole 15 are matched with the fixed block 14, the fixed block 14 is clamped in the fixed hole 15, the fixed block 14 is a magnetic metal material, the magnet block 16 is embedded in the inner wall bottom of the fixed hole 15, and the fixed cone 8 is provided with a plurality of groups.
[0037] Specifically, the fixed hole 15 in combination with the magnet block 16 can facilitate the limiting and fixing of the fixed block 14.
[0038] The working principle and use process of the utility model are as follows: first, the operator checks whether the related components are installed to the correct position, moves the control rod 906 downward to make the positioning rod 901 disengage from the handle 7, rotates the handle 7 to drive the threaded rod 4 to rotate, drives the moving frame 5 to move up and down, and then drives the bottom plate 6 to move up and down to adapt to the foundation pits with different depths, inserts the fixed cone 8 into the ground to facilitate the fixing of the bottom plate 6, and the protection plate 1 can prevent the collapse of the foundation pit slope. Loosen the control rod 906, due to the rebound effect of the spring 903, the positioning rod 901 is clamped in the closest group of positioning holes 10, the handle 7 is limited and locked, the handle 7 cannot be rotated at will, and the structure can limit and lock the handle 7 when the handle 7 is not used to prevent the handle 7 from rotating and affecting the fixing stability of the protection structure without affecting the use of the handle 7 of the protection structure.
[0039] When it is necessary to replace a group of damaged fixed cones 8 later, rotate the fixed cone 8 to move the fixed block 14 to the moving hole 13, move the fixed cone 8 downward to make the fixed block 14 disengage from the moving hole 13 to complete the disassembly of the fixed cone 8, and the reverse operation can complete the installation of the fixed cone 8. When the fixed block 14 is clamped in the fixed hole 15 and corresponds to the position of the magnet block 16, the fixed block 14 is a magnetic metal material and is attracted by the magnetic force of the magnet block 16, so that the fixed block 14 cannot move at will, and the fixed cone 8 is fixed. The structure separates the fixed cone 8 from the bottom plate 6, the fixed cone 8 is convenient to disassemble, and it is convenient to replace a group of damaged fixed cones 8 later.
[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A foundation pit protection structure for civil engineering, comprising a protective plate (1), wherein a fixing plate (2) and an mounting plate (3) are provided on one side of the protective plate (1), a threaded rod (4) is provided on the fixing plate (2), a movable frame (5) and a handle (7) are provided on the threaded rod (4), and a base plate (6) is provided at the bottom of the movable frame (5), characterized in that: The bottom of the bottom plate (6) is provided with a fixed cone (8) and a round block (11), the fixed plate (2) is provided with a locking assembly (9), the bottom of the handle (7) is provided with a plurality of positioning holes (10), the bottom of the round block (11) is provided with a connecting groove (12) and a moving hole (13), the fixed cone (8) is provided with a fixed block (14), one side of the round block (11) is provided with a fixed hole (15), and the fixed hole (15) is provided with a magnet block (16). The locking assembly (9) comprises a positioning rod (901), a hollow groove (902), a spring (903), a limiting groove (904), a limiting block (905) and a control rod (906), the fixed plate (2) is provided with the positioning rod (901), the top of the fixed plate (2) is provided with the hollow groove (902), the hollow groove (902) is provided with the spring (903), the inner walls of the hollow groove (902) are provided with the limiting grooves (904) on both sides, the bottom end of the positioning rod (901) is provided with the limiting block (905), and one side of the positioning rod (901) is provided with the control rod (906).
2. A foundation pit protection structure for civil engineering according to claim 1, characterized in that: The handle (7) is fixedly installed at the top of the threaded rod (4), and the handle (7) is in the shape of "plum blossom".
3. A retaining structure for a foundation trench in civil engineering according to claim 1, characterized in that: The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902).
4. A retaining structure for an excavation in civil engineering according to claim 1, characterised in that: The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902).
5. A retaining structure for a foundation trench in civil engineering according to claim 1, characterized in that: The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902).
6. A retaining structure for a foundation trench in civil engineering according to claim 1, characterized in that: The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902).
7. A retaining structure for a foundation trench in civil engineering according to claim 1, characterized in that: The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902). The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902). The bottom end of the positioning rod (901) is fixedly installed at the top end of the spring (903) after extending into the hollow groove (902).
Citation Information
Patent Citations
A foundation pit protection structure for civil engineering
CN220978048U