Foundation pit protective fence

Abstract

The utility model discloses a foundation pit protective fence which comprises two bottom plates and a protective fence body, a plurality of fixing holes are formed in the side walls of the two bottom plates, supporting columns are fixedly connected to the tops of the two bottom plates, and two connecting blocks are fixedly connected to the two side walls of each supporting column. The side wall of each connecting block is rotationally connected with a U-shaped plate through a rotating shaft, the side wall of each U-shaped plate is fixedly connected with a clamping block, the side wall of each clamping block is provided with a limiting hole, the two side walls of the guardrail body are each provided with two clamping grooves, and the two clamping blocks on one sides of the two supporting columns are located in the two clamping grooves in the two sides of the guardrail body respectively. Through mutual cooperation of the bottom plate, the clamping blocks, the sliding rods, the reinforcing rods and other components, the length of the protective fence can be rapidly spliced according to the length of a foundation pit, so that the protective fence is suitable for foundation pits of different sizes, the overall shape of the protective fence can be spliced according to the shape of the foundation pit, and operation is easy, convenient and rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a foundation pit guardrail. Background Art

[0002] The foundation pit is a temporary project. It is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. In order to prevent safety accidents, foundation pit guardrails are generally required around the foundation pit. The guardrails can alert vehicles and pedestrians on the road to prevent vehicles and pedestrians from falling into the foundation pit.

[0003] For example, Chinese patent publication number CN218509198U discloses a foundation pit guardrail, which includes a fence, a fixed support rod fixedly connected to the side end of the fence, a bottom plate fixedly connected to the lower end of the fixed support rod, a rectangular hole opened on the front end surface of the fixed support rod, a threaded rod rotatably connected to the inside of the rectangular hole, a sliding seat threadedly connected to the circumferential surface of the threaded rod, a first supporting leg and a second supporting leg fixedly connected by a second bolt, a rotating block fixedly connected to the lower end of the second supporting leg, the rotating block and the fixed seat are rotatably connected, and a universal wheel is fixedly connected to the lower end of the fixed seat.

[0004] However, in the above solution, when the guardrail is in use, it is not convenient to quickly splice the length of the guardrail according to the length of the foundation pit, so it is not convenient to apply to foundation pits of different sizes, the use is relatively limited, and the convenience is not high. Utility Model Content

[0005] The utility model provides a foundation pit guardrail to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A foundation pit guardrail comprises two bottom plates and a guardrail body, the side walls of the two bottom plates are each provided with a plurality of fixing holes, the tops of the two bottom plates are each fixedly connected with a support column, the side walls of the two support columns are each fixedly connected with two connecting blocks, the side walls of each connecting block are rotatably connected with a U-shaped plate via a rotating shaft, the side walls of each U-shaped plate are each fixedly connected with a clamping block, the side walls of each clamping block are provided with a limiting hole, the side walls of the guardrail body are each provided with two clamping grooves, each of the clamping blocks is adapted to each clamping groove, the two clamping blocks on one side of the two support columns are respectively located in the two clamping grooves on both sides of the guardrail body, the top of the guardrail body is provided with two installation grooves, and the two installation grooves are provided with fixing devices.

[0008] As a further improvement of the technical solution: the two fixing devices include two sliding rods, the two sliding rods are respectively slidably connected in the two mounting grooves, the tops of the two sliding rods extend out corresponding mounting grooves, the bottoms of the two sliding rods are fixedly connected with springs, the bottoms of the two springs are fixedly connected to the bottom side walls of the corresponding mounting grooves, the side walls of the two mounting grooves are provided with two sliding grooves, the four sliding grooves are respectively located above the four card slots and are connected to the corresponding card slots, the side walls of the two sliding rods are fixedly connected with two L-shaped fixing rods, the four L-shaped fixing rods are respectively slidably connected in the four sliding grooves, the bottoms of the four L-shaped fixing rods extend into the four card slots respectively, and the four L-shaped fixing rods are adapted to each limiting hole.

[0009] As a further improvement of the technical solution: the tops of the two sliding rods are fixedly connected with pull rings.

[0010] As a further improvement of the technical solution: the two springs are both made of stainless steel.

[0011] As a further improvement of the technical solution: both side walls of the guardrail body are provided with reflective bright strips.

[0012] As a further improvement of the technical solution: the two side walls of the two support columns are fixedly connected to two reinforcing rods, and the bottoms of each of the two reinforcing rods are fixedly connected to the top side walls of the corresponding base plate.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can quickly splice the length of the guardrail according to the length of the foundation pit through the mutual cooperation of the bottom plate, the card block, the slide rod, the reinforcing rod and other components, so that it is suitable for foundation pits of different sizes. The overall shape of the guardrail can also be spliced ​​according to the shape of the foundation pit. The operation is simple, convenient and fast.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of a foundation pit guardrail proposed by the utility model;

[0017] Figure 2 This is a front view structural schematic diagram of a foundation pit guardrail proposed by the utility model;

[0018] Figure 3 This is a side structural schematic diagram of a foundation pit guardrail proposed by the utility model;

[0019] Figure 4 for Figure 1 Schematic diagram of the locally enlarged structure of A in the middle.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Bottom plate; 2. Fixing hole; 3. Guardrail body; 4. Limiting hole; 5. Block; 6. U-shaped plate; 7. Support column; 8. Sliding groove; 9. Pull ring; 10. Sliding rod; 11. Reinforcement rod; 12. Reflective strip; 13. Connecting block; 14. Installation groove; 15. Block; 16. L-shaped fixing rod; 17. Spring. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] See also Figure 1-4In the embodiment of the utility model, a foundation pit guardrail includes two bottom plates 1 and a guardrail body 3. The side walls of the two bottom plates 1 are provided with a plurality of fixing holes 2. The tops of the two bottom plates 1 are fixedly connected with support columns 7. Two connecting blocks 13 are fixedly connected to the side walls of the two support columns 7. The side walls of each connecting block 13 are rotatably connected with a U-shaped plate 6 through a rotating shaft. The side walls of each U-shaped plate 6 are fixedly connected with a clamping block 5. The side walls of each clamping block 5 are provided with a limiting hole 4. Two side walls of the guardrail body 3 are provided with two card grooves 15. Each card block 5 is adapted to each card groove 15. The two card blocks 5 on one side of the two support columns 7 are respectively located in the two card grooves 15 on both sides of the guardrail body 3. Two mounting grooves 14 are provided on the top of the guardrail body 3. Fixing devices are provided in the two mounting grooves 14.

[0026] See also Figure 1-4 The two fixing devices include two slide bars 10, which are respectively slidably connected in two mounting grooves 14. The tops of the two slide bars 10 extend from corresponding mounting grooves 14. The bottoms of the two slide bars 10 are fixedly connected with springs 17. The bottoms of the two springs 17 are fixedly connected to the bottom side walls of the corresponding mounting grooves 14. The side walls of the two mounting grooves 14 are each provided with two sliding grooves 8. The four sliding grooves 8 are respectively located above the four card slots 15 and are connected to the corresponding card slots 15. The side walls of the two slide bars 10 are each fixedly connected with two L-shaped fixing rods 16. The four L-shaped fixing rods 16 are respectively slidably connected in the four sliding grooves 8. The four L-shaped fixing rods 16 are respectively slidably connected in the four sliding grooves 8. The bottom of the L-shaped fixing rod 16 extends into the four card slots 15 respectively, and the four L-shaped fixing rods 16 are adapted to each limiting hole 4. By pulling the pull ring 9, the pull ring 9 drives the sliding rod 10 to move upward, and the sliding rod 10 simultaneously drives the two L-shaped fixing rods 16 to move, so that the bottoms of the two L-shaped fixing rods 16 are disengaged from the card slots 15, and then the two card blocks 5 on the side walls of the support column 7 are inserted into the two card slots 15, and the pull ring 9 can be released. Under the action of the spring 17, the spring 17 will drive the sliding rod 10 to automatically reset, so that one end of the two L-shaped fixing rods 16 is inserted into the two limiting holes 4, thereby fixing the card blocks 5, and completing the splicing of the support column 7 and the guardrail body 3.

[0027] See also Figure 1-2 The tops of the two slide bars 10 are fixedly connected with pull rings 9, and the slide bars 10 can be driven to move by pulling the pull rings 9, which is more convenient and quick.

[0028] See also Figure 1 The two springs 17 are both made of stainless steel to prevent the two springs 17 from being affected by rust.

[0029] See also Figure 1-2 Both side walls of the guardrail body 3 are provided with reflective strips 12. The reflective strips 12 can be used to warn vehicles at night and remind drivers of the existence of the guardrail.

[0030] See also Figure 1-3 Two reinforcing rods 11 are fixedly connected to the side walls of the two support columns 7, and the bottoms of each of the two reinforcing rods 11 are fixedly connected to the top side walls of the corresponding base plate 1. By setting the reinforcing rods 11, the support columns 7 can be reinforced to improve the stability of the support columns 7.

[0031] The working principle of the utility model is as follows: when the guardrail needs to be installed, the pull ring 9 is pulled, the pull ring 9 drives the slide bar 10 to move upward, and the slide bar 10 drives the two L-shaped fixing rods 16 to move at the same time, so that the bottoms of the two L-shaped fixing rods 16 are disengaged from the slots 15, and then the two card blocks 5 on the side walls of the support column 7 are inserted into the two slots 15, and the pull ring 9 can be loosened. Under the action of the spring 17, the spring 17 will drive the slide bar 10 to automatically reset, so that one end of the two L-shaped fixing rods 16 is inserted into the two limiting holes 4, thereby fixing the card block 5, that is, the splicing of the support column 7 and the guardrail body 3 is completed, and the length of the guardrail can be spliced ​​according to the length of the foundation pit. The U-shaped plate 6 is connected to the connecting block 13 by rotation, so that the U-shaped plate 6 can drive the card block 5 to rotate, thereby adjusting the angle of the card block 5, and the shape of the overall guardrail can be spliced ​​according to the shape of the foundation pit. After splicing is completed, the base plate 1 is fixed to the ground by using bolts to pass through the fixing holes 2.

[0032] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A foundation pit guardrail, comprising two bottom plates (1) and a guardrail body (3), characterized in that: The side walls of the two base plates (1) are each provided with a plurality of fixing holes (2); the tops of the two base plates (1) are each fixedly connected with a support column (7); the side walls of the two support columns (7) are each fixedly connected with two connecting blocks (13); the side walls of each connecting block (13) are rotatably connected with a U-shaped plate (6) via a rotating shaft; the side walls of each U-shaped plate (6) are each fixedly connected with a clamping block (5); the side walls of each clamping block (5) are each provided with a limiting hole (4); the side walls of the guardrail body (3) are each provided with two clamping grooves (15); each clamping block (5) is matched with each clamping groove (15); the two clamping blocks (5) on one side of the two support columns (7) are respectively located in the two clamping grooves (15) on the two sides of the guardrail body (3); the top of the guardrail body (3) is provided with two installation grooves (14); the two installation grooves (14) are each provided with a fixing device.

2. A foundation pit guardrail according to claim 1, characterized in that: The two fixing devices include two slide bars (10), the two slide bars (10) are respectively slidably connected in the two mounting grooves (14), the tops of the two slide bars (10) extend out of the corresponding mounting grooves (14), the bottoms of the two slide bars (10) are fixedly connected with springs (17), the bottoms of the two springs (17) are fixedly connected to the bottom side walls of the corresponding mounting grooves (14), the side walls of the two mounting grooves (14) are provided with two sliding grooves (8), the four sliding grooves (8) are respectively located above the four card slots (15) and are connected to the corresponding card slots (15), the side walls of the two slide bars (10) are fixedly connected with two L-shaped fixing rods (16), the four L-shaped fixing rods (16) are respectively slidably connected in the four sliding grooves (8), the bottoms of the four L-shaped fixing rods (16) extend into the four card slots (15), and the four L-shaped fixing rods (16) are adapted to each limiting hole (4).

3. A foundation pit guardrail according to claim 2, characterized in that: The tops of the two sliding rods (10) are both fixedly connected with pull rings (9).

4. A foundation pit guardrail according to claim 2, characterized in that: The two springs (17) are both made of stainless steel.

5. The foundation pit guardrail according to claim 1, characterized in that: Both side walls of the guardrail body (3) are provided with reflective bright strips (12).

6. The foundation pit guardrail according to claim 1, characterized in that: The side walls of the two support columns (7) are fixedly connected to two reinforcing rods (11), and the bottoms of the two reinforcing rods (11) are fixedly connected to the top side walls of the corresponding bottom plate (1).

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