Foundation pit protective fence for construction of water conservancy project

Abstract

The utility model discloses a foundation pit protective fence for construction of hydraulic engineering, which comprises a bottom fence and a top fence, and the rear side of the bottom fence is movably connected with the front side of the top fence. Through cooperative use of the adjusting device, the adjusting moving block, the adjusting hole, the spring and the moving block groove, the problems that an existing foundation pit protective fence is suitable for various construction sites, in the early stage of foundation pit excavation, only a low fence is needed to prevent personnel from falling off by mistake, but the requirement for the height of the fence is improved along with increase of the excavation depth, and different foundation pit projects are not prone to falling off are solved. Different requirements for the height of a foundation pit protective fence are met, the height of an existing foundation pit protective fence is generally fixed and cannot be adjusted, when the height of the fence cannot be adjusted according to the actual situation, the situation that the height of the fence is lower than the safety standard possibly occurs, and potential safety hazards are generated in construction. However, an existing foundation pit protective fence for hydraulic engineering construction is not provided with a component for adjusting the height according to the construction condition.

Description

Technical Field

[0001] This utility model belongs to the technical field of foundation pit protection fences, and in particular relates to a foundation pit protection fence for water conservancy engineering construction. Background Technology

[0002] Water conservancy projects are engineering projects constructed to control and regulate surface water and groundwater in nature to achieve the purpose of eliminating harm and promoting benefits. They are also called water engineering projects. Foundation pit protection fences are a type of safety protection facility used on construction sites. They are mainly used to protect building foundation pits, prevent people and objects from falling into the pit, and ensure construction safety. In summary, the existing technology has the following problems: Foundation pit protection fences are suitable for various construction sites. In the early stages of foundation pit excavation, only a low fence may be needed to prevent people from falling. However, as the excavation depth increases, the required fence height will also increase. Different foundation pit projects have different requirements for the height of foundation pit protection fences. The existing foundation pit protection fences are usually fixed in height and cannot be adjusted. When the fence height cannot be adjusted according to the actual situation, the fence height may be lower than the safety standard, causing safety hazards during construction. However, the existing foundation pit protection fences used in water conservancy projects do not have components that can adjust the height according to the construction situation. Therefore, a foundation pit protection fence for water conservancy projects is proposed to solve the above problems. Utility Model Content

[0003] To address the problems of existing technologies, this utility model provides a protective fence for foundation pits in water conservancy engineering construction. This fence has the advantage of allowing height adjustment based on construction conditions, solving the problem that existing foundation pit protective fences, while suitable for various construction sites, may only require a low fence in the initial stages of excavation to prevent accidental falls. However, as the excavation depth increases, the required fence height also rises. Different foundation pit projects have different height requirements for the protective fence. Existing foundation pit protective fences are typically fixed in height and cannot be adjusted. When the fence height cannot be adjusted according to actual conditions, it may fall below safety standards, creating safety hazards during construction. However, existing foundation pit protective fences for water conservancy engineering construction lack components for height adjustment based on construction conditions.

[0004] This utility model is implemented as follows: a construction pit protection fence for water conservancy projects includes a bottom fence and a top fence. The rear side of the bottom fence is movably connected to the front side of the top fence. The surface of the bottom fence has a device hole. The front side of the top fence is fixedly connected to a device shell that mates with the device hole. The front side of the device shell passes through the device hole and extends to the outside of the inner cavity of the device hole. The front side of the bottom fence is fixedly connected to two device plates that mate with the device shell. The left and right sides of the device shell are in contact with the surface of the device plates. The inner cavity of the device shell is movably connected to two control handles. The front side of the control handles passes through the device shell and extends to the outside of the inner cavity of the device shell. The inner cavity of the device shell is provided with an adjustment device.

[0005] As a preferred embodiment of this utility model, the adjusting device includes two adjusting blocks. The opposite sides of the two adjusting blocks penetrate the device shell and extend to the outer side of the inner cavity of the device shell. Two adjusting holes are opened on the surface of the adjusting blocks. Two springs are fixedly connected to the opposite sides of the two adjusting blocks. By setting the adjusting device, when the height position of the top fence needs to be adjusted according to the construction situation, the adjusting device has the function of adjusting the position of the top fence.

[0006] In a preferred embodiment of this invention, a compression column is fixedly connected to the front side of the adjusting block, and two compression inclined frames that cooperate with the compression column are movably connected to the inner cavity of the device housing. The surface of the compression column contacts the inner cavity of the compression inclined frame, and the rear side of the control handle is fixedly connected to the surface of the compression inclined frame. By setting the compression column and the compression inclined frame, when the compression inclined frame moves, it can generate a compression force on the compression column, and the two compression columns subjected to the compression force will drive the adjusting block to move.

[0007] As a preferred embodiment of this utility model, the inner cavity of the device housing is fixedly connected with four adjusting blocks that cooperate with the adjusting holes. The surface of the adjusting blocks is movably connected to the inner cavity of the adjusting holes. By setting the adjusting blocks, when the adjusting block moves, it will drive the adjusting hole to move along the surface of the adjusting blocks. The cooperation between the adjusting holes and the adjusting blocks has a limiting effect on the movement position of the adjusting block.

[0008] As a preferred embodiment of this utility model, the surface of the extrusion frame is provided with a pull hole, and the inner cavity of the device housing is fixedly connected to a pull rod that cooperates with the pull hole. The inner cavity of the pull hole is movably connected to the surface of the pull rod. By setting the pull rod and the pull hole, when the extrusion frame moves, it will drive the pull hole to move along the surface of the pull rod. The cooperation of the pull rod and the pull hole has a limiting effect on the movement position of the extrusion frame.

[0009] As a preferred embodiment of this utility model, each of the two device plates has a plurality of sliding block slots on its opposite side for use with the adjusting sliding block. The adjusting sliding block and the inner cavity of the sliding block slot are in contact. By setting the sliding block slot, when the device shell moves to the appropriate position, the control handle is released, and the restoring force generated by the spring returning to its shape will drive the adjusting sliding block to be inserted into the inner cavity of the sliding block slot. The use of the adjusting sliding block and the sliding block slot has a limiting effect on the position of the device shell.

[0010] As a preferred embodiment of this utility model, two displacement sliders are fixedly connected to the front side of the top fence, and two displacement sliding holes that cooperate with the displacement sliders are opened on the front side of the bottom fence. The surface of the displacement slider is movably connected to the inner cavity of the displacement sliding hole. By setting the displacement slider and the displacement sliding hole, when the top fence moves, it will drive the displacement slider to move along the inner cavity of the displacement sliding hole. The cooperation of the displacement slider and the displacement sliding hole has a limiting effect on the movement position of the top fence.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model solves the problem of existing foundation pit protection fences being suitable for various construction sites. In the early stages of foundation pit excavation, only a low fence may be needed to prevent personnel from falling. However, as the excavation depth increases, the required fence height also increases. Different foundation pit projects have different requirements for the height of foundation pit protection fences. Existing foundation pit protection fences are usually fixed in height and cannot be adjusted. When the fence height cannot be adjusted according to the actual situation, the fence height may be lower than the safety standard, causing safety hazards during construction. However, existing foundation pit protection fences used in water conservancy projects do not have components that allow for height adjustment according to the construction situation.

[0013] 2. This utility model, by setting an adjustment device, can generate a squeezing force on the squeezing column when the squeezing inclined frame moves. The two squeezing columns subjected to the squeezing force will move towards each other. When the squeezing column moves, it will drive the two adjusting blocks to move towards each other. When the adjusting blocks move, it will drive the adjusting hole to move along the surface of the adjusting block. At the same time, the force generated when the adjusting blocks move causes the spring to undergo elastic deformation. The restoring force generated by the spring returning to its shape will drive the adjusting blocks to be inserted into the inner cavity of the adjusting block groove. The adjustment device has the function of adjusting the position of the top railing. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural schematic diagram provided in an embodiment of the present utility model;

[0015] Figure 2 This is a three-dimensional schematic diagram of the connection between the displacement slider and the displacement sliding hole provided in this embodiment of the utility model;

[0016] Figure 3 This is a perspective sectional view of the device housing provided in this embodiment of the utility model;

[0017] Figure 4 This is a three-dimensional schematic diagram of the connection between the pull rod, pull hole, extrusion inclined frame and extrusion long column provided in this embodiment of the utility model.

[0018] In the diagram: 1. Bottom railing; 2. Top railing; 3. Device hole; 4. Device housing; 5. Device plate; 6. Control handle; 7. Adjustment device; 701. Adjustment block; 702. Adjustment hole; 703. Spring; 8. Extrusion column; 9. Extrusion inclined frame; 10. Adjustment block; 11. Pull hole; 12. Pull rod; 13. Block groove; 14. Displacement slider; 15. Displacement sliding hole. Detailed Implementation

[0019] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0020] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] like Figures 1 to 4 As shown in the figure, an embodiment of the present invention provides a construction pit protection fence for a water conservancy project, including a bottom fence 1 and a top fence 2. The rear side of the bottom fence 1 is movably connected to the front side of the top fence 2. A device hole 3 is opened on the surface of the bottom fence 1. A device shell 4 that cooperates with the device hole 3 is fixedly connected to the front side of the top fence 2. The front side of the device shell 4 passes through the device hole 3 and extends to the outside of the inner cavity of the device hole 3. Two device plates 5 that cooperate with the device shell 4 are fixedly connected to the front side of the bottom fence 1. The left and right sides of the device shell 4 are in contact with the surface of the device plate 5. Two control handles 6 are movably connected to the inner cavity of the device shell 4. The front side of the control handles 6 passes through the device shell 4 and extends to the outside of the inner cavity of the device shell 4. An adjustment device 7 is provided in the inner cavity of the device shell 4.

[0022] refer to Figure 4 The adjusting device 7 includes two adjusting blocks 701. The opposite sides of the two adjusting blocks 701 penetrate the device housing 4 and extend to the outside of the inner cavity of the device housing 4. Two adjusting holes 702 are opened on the surface of the adjusting blocks 701. Two springs 703 are fixedly connected to the opposite sides of the two adjusting blocks 701.

[0023] The above solution is adopted: by setting the adjustment device 7, when the height of the top fence 2 needs to be adjusted according to the construction situation, the adjustment device 7 has the function of adjusting the position of the top fence 2.

[0024] refer to Figure 4The front side of the adjusting block 701 is fixedly connected to the extrusion column 8. The inner cavity of the device housing 4 is movably connected to two extrusion inclined frames 9 that cooperate with the extrusion column 8. The surface of the extrusion column 8 contacts the inner cavity of the extrusion inclined frame 9. The rear side of the control handle 6 is fixedly connected to the surface of the extrusion inclined frame 9.

[0025] The above scheme is adopted: by setting the extrusion column 8 and the extrusion inclined frame 9, when the extrusion inclined frame 9 moves, it can generate extrusion force on the extrusion column 8. The two extrusion columns 8 subjected to extrusion force will drive the adjustment block 701 to move.

[0026] refer to Figure 4 The inner cavity of the device housing 4 is fixedly connected with four adjustment blocks 10 that cooperate with the adjustment holes 702. The surface of the adjustment blocks 10 is movably connected to the inner cavity of the adjustment holes 702.

[0027] The above solution is adopted: by setting the adjustment block 10, when the adjustment block 701 moves, it will drive the adjustment hole 702 to move along the surface of the adjustment block 10. The cooperation between the adjustment hole 702 and the adjustment block 10 has a limiting effect on the movement position of the adjustment block 701.

[0028] refer to Figure 4 The surface of the extrusion frame 9 is provided with a pull hole 11, and the inner cavity of the device housing 4 is fixedly connected with a pull rod 12 that is used in conjunction with the pull hole 11. The inner cavity of the pull hole 11 is movably connected to the surface of the pull rod 12.

[0029] The above solution is adopted: by setting the pull rod 12 and the pull hole 11, when the extrusion frame 9 moves, it will drive the pull hole 11 to move along the surface of the pull rod 12. The cooperation of the pull rod 12 and the pull hole 11 has a limiting effect on the movement position of the extrusion frame 9.

[0030] refer to Figure 2 On the opposite side of each of the two device plates 5, there are several sliding block grooves 13 that cooperate with the adjusting sliding block 701, and the inner cavity of the adjusting sliding block 701 and the sliding block groove 13 are in contact.

[0031] The above solution is adopted: by setting the shifting block groove 13, when the device shell 4 moves to the appropriate position, the control handle 6 is released, and the restoring force generated by the spring 703 returning to its shape will drive the adjusting shifting block 701 to be inserted into the inner cavity of the shifting block groove 13. The cooperation between the adjusting shifting block 701 and the shifting block groove 13 has a limiting effect on the position of the device shell 4.

[0032] refer to Figure 2 Two displacement sliders 14 are fixedly connected to the front side of the top fence 2, and two displacement sliding holes 15 are opened on the front side of the bottom fence 1 to cooperate with the displacement sliders 14. The surface of the displacement sliders 14 is movably connected to the inner cavity of the displacement sliding holes 15.

[0033] The above solution is adopted: by setting the displacement slider 14 and the displacement sliding hole 15, when the top fence 2 moves, it will drive the displacement slider 14 to move along the inner cavity of the displacement sliding hole 15. The cooperation of the displacement slider 14 and the displacement sliding hole 15 has a limiting effect on the movement position of the top fence 2.

[0034] The working principle of this utility model:

[0035] When using the foundation pit protective fence for water conservancy construction, and the height needs to be adjusted according to the construction situation, the user first pulls the two control handles 6 to opposite sides. As the control handles 6 move, the two compression frames 9 will move closer to each other. When the compression frames 9 move, the pull holes 11 will move along the surface of the pull rod 12. The movement of the compression frames 9 will generate a compressive force on the compression columns 8. The two compression columns 8 subjected to this compressive force will move closer to each other. When the compression columns 8 move, the two adjusting blocks 701 will move closer to each other. When the adjusting blocks 701 move, the adjusting holes 702 will move along the surface of the adjusting block 10. The force generated by the movement of the adjusting block 701 causes the spring 703 to undergo elastic deformation. When the adjusting block 701 disengages from the adjusting block groove 13 and moves completely into the inner cavity of the device housing 4, the top railing 2 moves to the top or bottom. When the top railing 2 moves, it will drive the displacement slider 14 to move along the inner cavity of the displacement sliding hole 15. When the top railing 2 moves to the appropriate position, the control handle 6 is released. The restoring force generated by the spring 703 returning to its shape will drive the adjusting block 701 to be inserted into the inner cavity of the adjusting block groove 13. The cooperation between the adjusting block 701 and the adjusting block groove 13 has a limiting effect on the position of the device housing 4 and the top railing 2. At this time, the height of the foundation pit protection fence for water conservancy construction is adjusted according to the construction situation.

[0036] In summary, the construction pit protection fence for this water conservancy project, through the coordinated use of the adjustment device 7, adjustment block 701, adjustment hole 702, spring 703, and block groove 13, solves the problem that existing foundation pit protection fences are suitable for various construction sites. In the early stages of foundation pit excavation, a low fence may be sufficient to prevent personnel from falling, but as the excavation depth increases, the required fence height also increases. Different foundation pit projects have different requirements for the height of the foundation pit protection fence. Existing foundation pit protection fences are usually fixed in height and cannot be adjusted. When the fence height cannot be adjusted according to the actual situation, the fence height may be lower than the safety standard, causing safety hazards during construction. However, existing foundation pit protection fences for water conservancy projects lack components that allow for height adjustment according to the construction situation.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective fence for a construction pit in a water conservancy project, comprising a bottom fence (1) and a top fence (2), characterized in that: The rear side of the bottom fence (1) is movably connected to the front side of the top fence (2). The surface of the bottom fence (1) is provided with a device hole (3). The front side of the top fence (2) is fixedly connected with a device shell (4) that works with the device hole (3). The front side of the device shell (4) passes through the device hole (3) and extends to the outside of the inner cavity of the device hole (3). The front side of the bottom fence (1) is fixedly connected with two device plates (5) that work with the device shell (4). The left and right sides of the device shell (4) are in contact with the surface of the device plate (5). The inner cavity of the device shell (4) is movably connected with two control handles (6). The front side of the control handles (6) passes through the device shell (4) and extends to the outside of the inner cavity of the device shell (4). The inner cavity of the device shell (4) is provided with an adjustment device (7).

2. The foundation pit protection fence for water conservancy engineering construction as described in claim 1, characterized in that: The adjustment device (7) includes two adjustment blocks (701). The two adjustment blocks (701) have opposite sides that penetrate the device housing (4) and extend to the outside of the inner cavity of the device housing (4). Two adjustment holes (702) are opened on the surface of the adjustment blocks (701). Two springs (703) are fixedly connected to the opposite sides of the two adjustment blocks (701).

3. The foundation pit protection fence for water conservancy engineering construction as described in claim 2, characterized in that: The front side of the adjusting block (701) is fixedly connected to the extrusion column (8), and the inner cavity of the device housing (4) is movably connected to two extrusion inclined frames (9) that cooperate with the extrusion column (8). The surface of the extrusion column (8) is in contact with the inner cavity of the extrusion inclined frame (9), and the rear side of the control handle (6) is fixedly connected to the surface of the extrusion inclined frame (9).

4. The foundation pit protection fence for water conservancy engineering construction as described in claim 2, characterized in that: The inner cavity of the device housing (4) is fixedly connected with four adjustment blocks (10) that cooperate with the adjustment hole (702), and the surface of the adjustment block (10) is movably connected to the inner cavity of the adjustment hole (702).

5. A construction pit protection fence for a water conservancy project as described in claim 3, characterized in that: The surface of the extrusion frame (9) is provided with a pull hole (11), and the inner cavity of the device housing (4) is fixedly connected with a pull rod (12) that works with the pull hole (11). The inner cavity of the pull hole (11) is movably connected to the surface of the pull rod (12).

6. A construction pit protection fence for a water conservancy project as described in claim 2, characterized in that: Each of the two device plates (5) has several sliding block slots (13) on one side opposite to the adjustment sliding block (701), and the inner cavity of the adjustment sliding block (701) and the sliding block slot (13) are in contact.

7. A construction pit protection fence for a water conservancy project as described in claim 1, characterized in that: Two displacement sliders (14) are fixedly connected to the front side of the top fence (2), and two displacement sliding holes (15) are opened on the front side of the bottom fence (1) to cooperate with the displacement sliders (14). The surface of the displacement sliders (14) is movably connected to the inner cavity of the displacement sliding holes (15).

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