Safety protective fence around foundation pit

By combining threaded adjusting rods, sleeves, threaded blocks with holes, and bearings, along with guide grooves and guide blocks, the problem of installation flexibility of perimeter guardrails around foundation pits in special locations or irregular areas is solved. This enables flexible adjustment and rapid installation of perimeter safety guardrails around foundation pits, adapting to the safety protection needs of different construction environments.

CN224032244UActive Publication Date: 2026-03-24SUINING YINGKANG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional safety guardrails around foundation pits have poor flexibility in special locations or irregular areas near the edge of the pit, and cannot meet the safety protection needs of the construction environment.

Method used

By employing a combination of threaded adjusting rods, threaded sleeves, threaded blocks with holes, and bearings, along with guide grooves and guide blocks, and by inserting positioning pins into positioning discs, the main body of the guardrail can be flexibly adjusted and quickly installed.

Benefits of technology

It enables flexible installation in special or irregular areas near the edge of the foundation pit, improving the adaptability and ease of installation of the guardrail and meeting the safety protection needs of different construction environments.

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Abstract

The utility model discloses a foundation pit periphery safety protective fence which comprises two adjusting boxes, threaded sleeves are fixedly embedded in the upper surfaces of the adjusting boxes and the bottom faces of the adjusting boxes together, a mounting plate is arranged below each adjusting box, and the upper surface of each mounting plate is fixedly connected with two positioning plates. According to the adjusting device, the threaded adjusting rod, the threaded sleeve, the threaded block with the hole and the bearing are matched, the adjusting box can be flexibly adjusted, and then installation on a special part or an irregular area near the edge of a foundation pit is achieved; the height of the adjusting box can be flexibly adjusted according to special parts or irregular areas near the edge of a foundation pit, the protective fence body can be quickly disassembled and assembled through insertion matching of the positioning plug pins and the positioning discs, and then the problem that the protective fence is inconvenient to install, and consequently the flexibility of the protective fence is poor is solved; and the safety protection requirements of different construction environments can be met.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction protection, and in particular to a safety fence for the periphery of a foundation pit. BACKGROUND

[0002] A foundation pit is a soil pit excavated at the position of a foundation design according to the base elevation and the foundation plane size. Before excavation, an excavation scheme is determined according to the geological and hydrological data in combination with the situation of the nearby buildings, and waterproofing and drainage work is done. For a shallow excavation, a sloping method can be used to stabilize the soil slope, and the slope size is determined according to relevant construction regulations. For a deep excavation and adjacent buildings, a foundation pit wall support method, a sprayed concrete support method, and even a method such as an underground continuous wall and a columnar bored pile chain can be used to prevent the collapse of the soil layer outside. For nearby buildings without influence, a well point method can be used to lower the underground water level, a sloping method can be used for open excavation, and in cold regions, a natural cold air freezing method can be used for excavation, and the like.

[0003] In the process of building construction, a foundation pit project is one of the common construction links. The foundation pit refers to a soil pit excavated at the position of a foundation design according to the base elevation and the foundation plane size. The safety protection of the periphery of the foundation pit is crucial to the safety of construction personnel. However, the traditional safety fence for the periphery of the foundation pit has poor flexibility for special parts or irregular areas of the periphery of the foundation pit in use, and cannot meet the needs of users. Therefore, the safety fence for the periphery of the foundation pit is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a safety fence for the periphery of a foundation pit to solve the problems in the background.

[0005] The embodiment of the present application adopts the following technical scheme:

[0006] A safety fence for the periphery of a foundation pit comprises two adjusting boxes, the upper surface of the adjusting box and the bottom surface of the adjusting box are fixedly embedded with threaded sleeves, the lower side of each adjusting box is provided with a mounting plate, the upper surface of each mounting plate is fixedly connected with two positioning plates, the inner wall of each adjusting box is fixedly connected with a threaded block with a hole, the upper surface of each mounting plate is fixedly embedded with a bearing, the inner ring of the threaded sleeve and the inner ring of the threaded block with a hole are fixedly connected with two threaded adjusting rods, the outer surface of the bottom end of each threaded adjusting rod is rotatably connected with the inner ring of the bearing, and the threaded sleeve and the threaded block with a hole are threadedly connected with the outer surface of the threaded adjusting rod, the side face of each adjusting box close to each other is fixedly connected with two positioning discs, the upper surface of each positioning disc is provided with a plug-in hole, the inner ring of each plug-in hole is clamped with a positioning pin, and the ends of the two groups of positioning pins close to each other are fixedly connected with a fence main body.

[0007] Preferably, the upper surface of each mounting plate is provided with two groups of mounting holes, and the inner circle of each mounting hole is provided with a thread.

[0008] Preferably, the upper surface of each mounting plate is fixedly connected with two reinforcing inclined blocks, and the side face of the two groups of reinforcing inclined blocks away from each other is fixedly connected with the side face of the positioning plate away from each other.

[0009] Preferably, the front surface of the guardrail body and the back surface of the guardrail body are provided with a notice slot, the inside of each notice slot is pasted with a warning sticker, and the upper surface of the guardrail body is fixedly connected with a warning board.

[0010] Preferably, the front surface of each adjusting box and the back surface of the adjusting box are provided with a guide slot, the inner circle of each guide slot is slidably connected with a guide block, and the side face of the two groups of guide blocks away from each other is fixedly connected with the side face of the positioning plate away from each other.

[0011] Preferably, the left and right ends of the guardrail body are fixedly connected with a stable strip, and the top end and the bottom end of each stable strip are fixedly connected with the side face of the positioning pin away from each other.

[0012] The above-mentioned at least one technical scheme adopted by the embodiment of the present application can achieve the following beneficial effects:

[0013] The device adopts the cooperation of the threaded adjusting rod, the threaded sleeve, the threaded block with holes and the bearing, can flexibly adjust the adjusting box, and then realize the installation of the special parts or irregular areas of the foundation pit edge, and utilize the guide slot and the guide block, can flexibly adjust the height of the adjusting box according to the special parts or irregular areas of the foundation pit edge, and through the plug-in cooperation of the positioning pin and the positioning disc, the guardrail body can be quickly disassembled, thereby avoiding the problem that the guardrail is inconvenient to install, leading to poor flexibility of the guardrail, and can meet the safety protection needs of different construction environments. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 is: the three-dimensional structure schematic diagram of the guardrail body of the utility model;

[0016] Figure 2 is: the front cross-sectional structure schematic diagram of the adjusting box in the utility model;

[0017] Figure 3The side view structure schematic diagram of the guardrail main body in the utility model is as follows:

[0018] Figure 4 The down sectional structure schematic diagram of the adjusting box in the utility model is as follows.

[0019] In the drawing: 1, adjusting box; 2, threaded sleeve; 3, threaded adjusting rod; 4, mounting plate; 5, positioning plate; 6, reinforcing inclined block; 7, mounting hole; 8, threaded block with hole; 9, bearing; 10, positioning disc; 11, plug-in hole; 12, positioning bolt; 13, guardrail main body; 14, warning board; 15, notice slot; 16, guide slot; 17, guide block; 18, stable strip. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] The technical scheme provided by each embodiment of the present application will be described in detail below in combination with the drawings.

[0022] Please refer to Figures 1-4 The utility model provides a kind of safety fence around foundation pit technical scheme:

[0023] The utility model provides a kind of foundation pit periphery safety fence, including two adjusting boxes 1, the upper surface of adjusting box 1 and the bottom surface of adjusting box 1 are jointly fixed with threaded sleeve 2, the lower of each adjusting box 1 is equipped with mounting plate 4, the upper surface of each mounting plate 4 is fixedly connected with two positioning plates 5, the inner side wall of each adjusting box 1 is fixedly connected with threaded block 8 with hole, the upper surface of each mounting plate 4 is fixedly embedded with bearing 9, the inner ring of two groups of threaded sleeve 2 and threaded block 8 with hole are jointly fixedly connected with two threaded adjusting rods 3, the outer surface of the bottom end of each threaded adjusting rod 3 is rotatably connected with the inner ring of bearing 9, and threaded sleeve 2 and threaded block 8 with hole are threadedly connected with the outer surface of threaded adjusting rod 3, the side of two adjusting boxes 1 mutually close is fixedly connected with two positioning discs 10, the upper surface of each positioning disc 10 is equipped with insertion hole 11, the inner ring of each insertion hole 11 is clamped with positioning pin 12, and the end of two groups of positioning pins 12 mutually close is jointly fixedly connected with fence main body 13;Specifically, by the cooperation of threaded sleeve 2, threaded block 8 with hole and bearing 9, adjusting box 1 can be flexibly adjusted, to realize the installation for the special part or irregular area of foundation pit edge, and using guide groove 16 and guide block 17, the height of adjusting box 1 can be flexibly adjusted according to the special part or irregular area of foundation pit edge, the insertion cooperation of positioning pin 12 and positioning disc 10 can quickly disassemble and assemble fence main body 13, to avoid the problem that fence is inconvenient to install, leading to poor flexibility of fence, to meet the safety protection needs of different construction environments;

[0024] In the embodiment, the upper surface of each mounting plate 4 is provided with two groups of mounting holes 7, and the inner ring of each mounting hole 7 is provided with a thread;The upper surface of each mounting plate 4 is fixedly connected with two reinforcing inclined blocks 6, and the side of the two groups of reinforcing inclined blocks 6 mutually close is fixedly connected with the side of the positioning plate 5 mutually away;The front surface of the fence main body 13 and the back surface of the fence main body 13 are provided with a notice groove 15, and the inside of each notice groove 15 is pasted with a warning sticker;The upper surface of the fence main body 13 is fixedly connected with a warning board 14;Specifically, the mounting hole 7 is convenient for mounting the mounting plate 4, the reinforcing inclined block 6 is convenient for reinforcing the positioning plate 5, and the cooperation of the notice groove 15, the warning sticker and the warning board 14 is convenient for warning pedestrians or pedestrians;

[0025] In the embodiment, the front face of each adjusting box 1 and the back face of the adjusting box 1 are provided with guide grooves 16, the inner circle of each guide groove 16 is slidably connected with a guide block 17, and the mutually faraway side face of the two groups of guide blocks 17 is fixedly connected with the mutually close side face of the positioning plate 5; the left and right ends of the guardrail main body 13 are fixedly connected with a stabilizing strip 18, and the top end and the bottom end of each stabilizing strip 18 are fixedly connected with the mutually close side face of the positioning pin 12. Specifically, the guide groove 16 and the guide block 17 can limit the adjusting box 1, and the stabilizing strip 18 can facilitate the reinforcement of the positioning pin 12.

[0026] Working principle: when the foundation pit peripheral safety fence is used, the user first fixes the adjusting box 1 on the foundation pit periphery through the threaded mounting hole 7 on the mounting plate 4, threadedly connects the threaded adjusting rod 3 with the threaded sleeve 2 and the hole threaded block 8 by rotating the threaded adjusting rod 3, and then drives the adjusting box 1 to move vertically along the guide groove 16. Since the guide groove 16 is internally provided with the guide block 17, the adjusting box 1 can be limited, and the bearing 9 is connected with the threaded adjusting rod 3, so as to ensure that the guardrail main body 13 can be applied to the special position or irregular area of the foundation pit edge.

[0027] The cooperation of the positioning pin 12 at the two ends of the guardrail main body 13 and the positioning disc 10 can realize the quick connection of the guardrail main body 13, effectively solve the problem that the fence is inconvenient to install and has poor flexibility, and the guardrail main body 13 has the characteristics of convenient installation, good stability and strong adaptability.

[0028] The above only describes the embodiments of the present application and does not limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of claims of the present application.

Claims

1. A safety fence for the perimeter of a foundation pit comprising two adjustment boxes (1), characterised in that: The upper surface of the adjusting box (1) and the bottom surface of the adjusting box (1) are fixedly embedded with threaded sleeves (2), each of the adjusting box (1) is provided with a mounting plate (4), the upper surface of each of the mounting plate (4) is fixedly connected with two positioning plates (5), the inner side wall of each of the adjusting box (1) is fixedly connected with a threaded block (8) with a hole, the upper surface of each of the mounting plate (4) is fixedly embedded with a bearing (9), the inner ring of the threaded sleeve (2) and the inner ring of the threaded block (8) with a hole are fixedly connected with two threaded adjusting rods (3), the outer surface of the bottom end of each of the threaded adjusting rod (3) is rotatably connected with the inner ring of the bearing (9), and the threaded sleeve (2) and the threaded block (8) with a hole are threadedly connected with the outer surface of the threaded adjusting rod (3), the side of the two adjusting boxes (1) close to each other is fixedly connected with two positioning discs (10), the upper surface of each of the positioning disc (10) is provided with a plug hole (11), the inner ring of each of the plug hole (11) is clamped with a positioning pin (12), the ends of the two positioning pins (12) close to each other are fixedly connected with a guardrail main body (13).

2. A safety fence for a building pit according to claim 1, wherein: The upper surface of each of the mounting plate (4) is provided with two groups of mounting holes (7), and the inner ring of each of the mounting hole (7) is provided with a thread.

3. The safety fence according to claim 1, wherein: The upper surface of each of the mounting plate (4) is fixedly connected with two reinforcing inclined blocks (6), and the sides of the two groups of reinforcing inclined blocks (6) close to each other are fixedly connected with the sides of the positioning plates (5) away from each other.

4. The safety fence according to claim 1, wherein: The front surface of the guardrail main body (13) and the back surface of the guardrail main body (13) are provided with a notice groove (15), and the inside of each of the notice grooves (15) is pasted with a warning sticker, and the upper surface of the guardrail main body (13) is fixedly connected with a warning plate (14).

5. The safety fence according to claim 1, wherein: The front surface of each of the adjusting box (1) and the back surface of the adjusting box (1) are provided with a guide groove (16), and the inner ring of each of the guide grooves (16) is slidably connected with a guide block (17), and the sides of the two groups of guide blocks (17) away from each other are fixedly connected with the sides of the positioning plates (5) close to each other.

6. A safety fence for a building pit according to claim 1, wherein: The left and right ends of the guardrail main body (13) are fixedly connected with a stable strip (18), and the top end and the bottom end of each of the stable strips (18) are fixedly connected with the sides of the positioning pins (12) close to each other.