Safety protective fence for temporary small-range foundation pit excavation construction
By designing safety guardrails with components such as buffer springs, buffer plates, reflective strips, and safety airbags, the problem of the simple structure of traditional foundation pit construction enclosures has been solved, improving the convenience and safety of construction and protecting construction personnel and vehicles.
Patent Information
- Application Number
- CN202422977609.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Traditional construction pit enclosure structures are simple and cannot effectively reduce the severity of collisions between vehicles and guardrails, resulting in vehicle damage and injuries to construction workers, and are also inconvenient to construct.
Design a safety guardrail that includes a buffer spring, a buffer plate, reflective strips, an airbag, and a collision sensor. By utilizing the elasticity of the buffer spring and the protective mechanism of the airbag, the severity of the collision can be reduced. The plug-in method of the plug and slot improves convenience and applicability.
It improves the convenience and safety of construction, reduces the severity of accidents, protects the safety of construction personnel and vehicles, and is suitable for foundation pit construction of different lengths.
Smart Images

Figure CN223497686U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of safety guardrail equipment for foundation pit construction, and in particular to a safety guardrail for temporary small-scale foundation pit excavation construction. Background Technology
[0002] Safety guardrails serve to protect the safety of vehicles, pedestrians, and construction workers.
[0003] In modern engineering construction, especially when carrying out temporary small-scale excavation of existing foundation pits or in residential areas, traditional fencing methods are time-consuming and labor-intensive, hindering construction convenience. Furthermore, current safety barriers are too simple in structure, primarily serving only a visual warning function. In the event of a collision between a vehicle or pedestrian and the barrier, this simple structure cannot effectively mitigate the severity of the impact, easily leading to vehicle damage and varying degrees of injury to pedestrians and construction workers.
[0004] How to solve the above problems is the research topic of this plan. Utility Model Content
[0005] In order to achieve the above-mentioned objectives and address the above-mentioned technical problems, this utility model provides a safety guardrail for temporary small-scale foundation pit excavation.
[0006] The technical solution includes adjacent guardrail bodies, a base fixedly connected to the bottom of the guardrail body, a groove opened on one side surface of the guardrail body, several sets of grooves opened at equal intervals, several sets of buffer springs fixedly connected to the surface of the guardrail body, the buffer springs are all located in the grooves, a buffer plate is fixedly connected to the side of the buffer springs away from the guardrail body, and an outer shell is fixedly connected to the side of the guardrail body away from the buffer plate.
[0007] The buffer plate has reflective strips affixed at equal intervals on the side away from the buffer spring, and each buffer spring has a telescopic rod inside;
[0008] The outer shell has an internal cavity for mounting, and an airbag is installed in the cavity.
[0009] The guardrail body is internally embedded with a collision sensor, which is electrically connected to the airbag.
[0010] Each telescopic pole includes a first support rod fixedly connected to the guardrail body, and a second support rod movably connected to the end of the first support rod away from the guardrail body. The end of the second support rod away from the first support rod is fixedly connected to a buffer plate.
[0011] The base has an internal mounting groove in which a weight-adding block is fixedly installed.
[0012] A plug is provided on one side of the guardrail body, and the plug is T-shaped.
[0013] The guardrail body has a slot on the side away from the plug, the shape of the slot matches the plug, and the plug is inserted into the slot accordingly.
[0014] The base is trapezoidal in shape.
[0015] The reflective strips are provided in three sets.
[0016] The guardrail body is fixedly connected to the base, which ensures the stability of the guardrail body during placement. During the construction of the foundation pit, the buffer plate is placed facing the side of the lane. The reflective strips on the buffer plate enhance visibility and minimize the risk of collisions between vehicles on the foundation pit and the guardrail body. If a collision does occur, the elasticity of the buffer spring enhances the buffering effect through the cooperation of the buffer plate and the buffer spring, thereby minimizing the severity of the collision. When a vehicle collides with the guardrail body, the buffer plate compresses the buffer spring while simultaneously pushing the second support rod to move along the first support rod, thus improving the stability of the buffer spring during deformation through the telescopic rod.
[0017] The outer shell and airbag are placed facing the construction workers in the pit. In the event of a serious collision, the collision sensor will trigger the airbag to pop out from inside the shell. This way, if the guardrail body rushes towards the construction workers in the pit, the airbag will protect the workers and minimize the risk of serious injury or death.
[0018] Multiple guardrail bodies can be spliced together by using plugs and slots, making them suitable for construction of foundation pits of different lengths, thus improving the practicality of the guardrail bodies. Furthermore, the plug-in method enhances the convenience of splicing or disassembling the guardrail bodies.
[0019] The beneficial effects of the technical solution provided by this utility model embodiment are:
[0020] Multiple assembly applicability: This solution provides a safety guardrail for temporary small-scale foundation pit excavation. Through the cooperation of the plug and slot, multiple guardrail bodies can be spliced together, which is suitable for foundation pit construction of different lengths, thus improving the practicality of the guardrail body.
[0021] Enhanced visibility: During the construction of the foundation pit, the buffer plate is placed facing one side of the lane, and the reflective strips on the buffer plate are used to enhance visibility, so as to minimize the collision between vehicles and the guardrail body.
[0022] Enhanced cushioning effect: In the unfortunate event of a collision between a vehicle and the guardrail, the elasticity of the buffer spring, combined with the buffer plate, can enhance the cushioning effect and minimize the severity of the collision.
[0023] Safety airbag protection: The outer shell and the safety airbag are placed on the side facing the construction workers in the foundation pit. In the event of a serious accident, the collision sensor will detect the impact and deploy the safety airbag from inside the shell to protect the construction workers and prevent serious casualties.
[0024] Ease of assembly or disassembly: The plug-in method improves the ease of assembling or disassembling the guardrail body, which is conducive to rapid deployment and recycling.
[0025] In summary, this solution, through its innovative structural design, not only improves the convenience and safety of construction, but also reduces the severity of accidents through buffering and protection mechanisms, thus protecting the safety of construction personnel and vehicles. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.
[0027] Figure 2 This is a cross-sectional view of an embodiment of the present utility model.
[0028] Figure 3 This is a schematic diagram of the outer shell and airbag of an embodiment of the present invention.
[0029] Figure 4 This is a schematic diagram of the structure of the insert and slot in an embodiment of the present invention.
[0030] The attached diagram is labeled as follows: 1. Guardrail body; 2. Base; 3. Buffer plate; 4. Reflective strip; 5. Groove; 6. Buffer spring; 7. Telescopic rod; 71. First support rod; 72. Second support rod; 8. Mounting groove; 9. Weighting block; 10. Outer shell; 11. Installation cavity; 12. Airbag; 13. Insert block; 14. Slot; 15. Collision sensor. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are only for explaining this utility model and are not intended to limit it.
[0032] It should be noted that, without conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.
[0033] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0035] Example 1
[0036] See Figures 1 to 4 This utility model provides a safety guardrail for temporary small-scale foundation pit excavation construction, including guardrail bodies 1 arranged adjacently, a base 2 fixedly connected to the bottom of the guardrail body 1, a groove 5 opened on one side surface of the guardrail body 1, a number of sets of grooves 5 are opened at equal intervals, a number of sets of buffer springs 6 are fixedly connected to the surface of the guardrail body 1, the buffer springs 6 are all located in the grooves 5, a buffer plate 3 is fixedly connected to the side of the buffer springs 6 away from the guardrail body 1, and an outer shell 10 is fixedly connected to the side of the guardrail body 1 away from the buffer plate 3.
[0037] Reflective strips 4 are evenly pasted on the side of the buffer plate 3 away from the buffer spring 6, and telescopic rods 7 are installed inside the buffer spring 6.
[0038] The outer shell 10 has a housing cavity 11 inside, and an airbag 12 is installed in the housing cavity 11;
[0039] A collision sensor 15 is embedded inside the guardrail body 1, and the collision sensor 15 is electrically connected to the airbag 12.
[0040] Each telescopic pole 7 includes a first support pole 71 fixedly connected to the guardrail body 1. A second support pole 72 is movably connected to the end of the first support pole 71 away from the guardrail body 1. The end of the second support pole 72 away from the first support pole 71 is fixedly connected to the buffer plate 3.
[0041] The base 2 has an internal mounting groove 8, in which a weight-adding block 9 is fixedly installed.
[0042] A plug 13 is provided on one side of the guardrail body 1, and the plug 13 is T-shaped.
[0043] A slot 14 is provided on the side of the guardrail body 1 away from the plug 13. The shape of the slot 14 matches the plug 13, and the plug 13 is inserted into the slot 14 accordingly.
[0044] The base 2 is trapezoidal in shape.
[0045] There are three sets of reflective strips 4.
[0046] The guardrail body is fixedly connected to the base, which ensures the stability of the guardrail body during placement. During the construction of the foundation pit, the buffer plate is placed facing the side of the lane. The reflective strips on the buffer plate enhance visibility and minimize the risk of collisions between vehicles on the foundation pit and the guardrail body. If a collision does occur, the elasticity of the buffer spring enhances the buffering effect through the cooperation of the buffer plate and the buffer spring, thereby minimizing the severity of the collision. When a vehicle collides with the guardrail body, the buffer plate compresses the buffer spring while simultaneously pushing the second support rod to move along the first support rod, thus improving the stability of the buffer spring during deformation through the telescopic rod.
[0047] The outer shell and airbag are placed facing the construction workers in the pit. In the event of a serious collision, the collision sensor will trigger the airbag to pop out from inside the shell. This way, if the guardrail body rushes towards the construction workers in the pit, the airbag will protect the workers and minimize the risk of serious injury or death.
[0048] Multiple guardrail bodies can be spliced together by using plugs and slots, making them suitable for construction of foundation pits of different lengths, thus improving the practicality of the guardrail bodies. Furthermore, the plug-in method enhances the convenience of splicing or disassembling the guardrail bodies.
[0049] The usage method of this solution is as follows:
[0050] Install the guardrail body and base:
[0051] The guardrail body 1 is fixedly connected to the base 2, and the base is used to ensure the stability of the guardrail body when it is placed.
[0052] Install a buffer plate and reflective strips:
[0053] Place the buffer plate 3 facing one side of the lane, and attach reflective strips 4 at equal intervals on the buffer plate to enhance visibility and reduce the risk of collision between vehicles and the guardrail.
[0054] Configure with a buffer spring and telescopic rod:
[0055] The buffer spring 6 is fixedly connected to the groove 5 of the guardrail body, and a telescopic rod 7 is installed inside it to provide cushioning in the event of a collision.
[0056] Install the outer casing and airbags:
[0057] The outer shell 10 is placed facing the construction workers in the foundation pit. The housing cavity 11 inside the outer shell is equipped with a safety airbag 12 to protect the construction workers in the event of a serious accident.
[0058] Embedded collision sensor:
[0059] A collision sensor 15 is embedded inside the guardrail body and electrically connected to the airbag 12 so as to trigger the airbag to deploy in the event of a severe collision.
[0060] Assemble multiple sets of guardrail bodies:
[0061] By using the insertion block 13 on one side of the guardrail body 1 and the slot 14 on the other side, multiple sets of guardrail bodies can be spliced together to meet the construction needs of foundation pits of different lengths.
[0062] Adjust the shape of the base and the weight blocks:
[0063] The base 2 is trapezoidal in shape, and a weight-adding block 9 is fixedly installed in the mounting groove 8 inside to increase the stability of the guardrail.
[0064] Pre-use checks:
[0065] Before use, check that all connections are secure and ensure that all components are correctly installed and in working order.
[0066] Monitoring during construction:
[0067] During construction, the condition of the guardrails should be checked regularly to ensure they can perform their protective function properly.
[0068] Through the above steps, the safety guardrails in this solution can effectively provide safety protection during foundation pit excavation, reduce construction risks, and protect the safety of construction personnel and passing vehicles.
[0069] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A safety guardrail for temporary small-scale foundation pit excavation, characterized in that, The system includes adjacent guardrail bodies (1), with a base (2) fixedly connected to the bottom of the guardrail body (1). A groove (5) is provided on one side surface of the guardrail body (1), and several sets of grooves (5) are provided at equal intervals. Several sets of buffer springs (6) are fixedly connected to the surface of the guardrail body (1), and the buffer springs (6) are all located in the grooves (5). A buffer plate (3) is fixedly connected to the side of the buffer springs (6) away from the guardrail body (1). A shell (10) is fixedly connected to the side of the guardrail body (1) away from the buffer plate (3). The buffer plate (3) has reflective strips (4) evenly pasted on the side away from the buffer spring (6), and each buffer spring (6) has a telescopic rod (7) inside; The outer shell (10) has a housing cavity (11) inside, and an airbag (12) is installed in the housing cavity (11); The guardrail body (1) is internally embedded with a collision sensor (15), which is electrically connected to the airbag (12).
2. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 1, characterized in that, Each telescopic pole (7) includes a first support pole (71) fixedly connected to the guardrail body (1), and a second support pole (72) is movably connected to the end of the first support pole (71) away from the guardrail body (1). The end of the second support pole (72) away from the first support pole (71) is fixedly connected to the buffer plate (3).
3. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 1, characterized in that, The base (2) has an installation groove (8) inside, and a weight-adding block (9) is fixedly installed in the installation groove (8).
4. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 1, characterized in that, A plug (13) is provided on one side of the guardrail body (1), and the plug (13) is T-shaped.
5. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 4, characterized in that, The guardrail body (1) has a slot (14) on the side away from the plug (13). The shape of the slot (14) matches the plug (13), and the plug (13) is inserted into the slot (14).
6. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 1, characterized in that, The base (2) is trapezoidal in shape.
7. The safety guardrail for temporary small-scale foundation pit excavation construction according to claim 1, characterized in that, The reflective strip (4) is provided in three sets.