Protective fence for construction site

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a construction site protective fence which comprises four building pile hole protective fences distributed in a square shape, building pile hole plugging plates are arranged in the four building pile hole protective fences, and frustum-shaped hole wall limiting pipes are fixedly connected to the bottom ends of the building pile hole plugging plates. The outer wall of the building pile hole plugging plate is fixedly connected with Y-shaped supporting rods, the ends of the four Y-shaped supporting rods are each fixedly connected with two protective fence transverse rod supporting sleeves, and the building pile hole protective fence is provided with two symmetrically-distributed supporting vertical rods. The building pile hole plugging plate and the frustum-shaped hole wall limiting pipe can plug a pile hole, and the building pile hole protective fence can be supported and limited through cooperation of the building pile hole plugging plate, the frustum-shaped hole wall limiting pipe, the Y-shaped supporting rod and the protective fence transverse rod supporting sleeve. Therefore, a worker can install the building pile hole protective fence around a building pile hole on the basis that the ground is not damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a protective fence for a construction site. Background Art

[0002] During the construction phase of a construction site, it is necessary to open building pile holes in the designed area on the ground, and it is necessary to install protective fences around the building pile holes to prevent people from falling into the pile holes. During the construction of the building pile holes, there is a large amount of loose soil excavated around the pile holes, and the ground around the pile holes is uneven. The current building pile holes rely on ground fixing mechanisms to provide main support and fixation. Workers need to clean up the surrounding soil before they can build protective fences, and in the later stage, it is necessary to lay concrete floors around the pile holes. Workers need to build concrete bases or use bolts to drill holes in the concrete floor to install the protective fences with high stability. The existing installation methods of protective fences are greatly affected by the ground environment, and the installation process is inconvenient to operate. Utility Model Content

[0003] The utility model provides a construction site protection fence which is suitable for ground conditions in different time periods at a construction pile hole construction site and does not require opening holes or destroying the ground during installation.

[0004] The utility model provides the following technical solutions: a construction site protection fence, comprising four square-distributed building pile hole protection fences, wherein the four building pile hole protection fences are provided with building pile hole blocking plates, the bottom ends of the building pile hole blocking plates are fixedly connected with frustum-shaped hole wall limiting tubes, the outer walls of the building pile hole blocking plates are fixedly connected with "Y"-shaped support rods, the ends of the four "Y"-shaped support rods are fixedly connected with two protection rail cross bar support sleeves, the protection rail cross bar support sleeves are detachably connected to the building pile hole protection fences, and the building pile hole protection fences are provided with two symmetrically distributed support vertical rods.

[0005] Among them, guardrail connecting rings are fixedly connected on both sides of the building pile hole guardrail, the guardrail connecting rings on two adjacent building pile hole guardrails are staggered, and a plug-in limit rod is inserted in the guardrail connecting ring.

[0006] Wherein, a closed baffle is fixedly connected to the outer wall of the building pile hole guardrail, and the bottom end of the closed baffle is flush with the bottom end of the building pile hole guardrail.

[0007] Among them, an "L"-shaped closed wrapping plate is hinged on one side of the guardrail crossbar support sleeve, and the guardrail crossbar support sleeve and the side wall of the "L"-shaped closed wrapping plate are fixedly connected with a connecting hole plate.

[0008] Wherein, a limiting connection sleeve is sleeved on the outer side of the supporting vertical rod, the limiting connection sleeve is fixedly connected to the closed baffle, and a threaded through hole is opened on the side wall of the limiting connection sleeve.

[0009] The beneficial effects of the utility model are as follows: the building pile hole blocking plate and the frustum-shaped hole wall limiting tube can block the pile hole, and the building pile hole guardrail can be supported and limited by the building pile hole blocking plate, the frustum-shaped hole wall limiting tube, the "Y"-shaped support rod and the guardrail crossbar support sleeve, so that the staff can install the building pile hole guardrail around the building pile hole without relying on the ground fixation method, so that the device can be suitable for the ground conditions of the building pile hole construction site at different time periods, and the support of the building pile hole guardrail by the supporting vertical rod can further improve the stability of the building pile hole guardrail.

[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0013] Figure 3 It is a side view of the building pile hole guardrail in the utility model;

[0014] Figure 4 It is a structural schematic diagram of the guardrail crossbar support sleeve and the "L"-shaped closed wrapping plate in the utility model;

[0015] Figure 5 It is a structural schematic diagram of a building pile hole plugging plate and a frustum-shaped hole wall limiting tube in the utility model.

[0016] In the figure: 1. Building pile hole guardrail; 11. Guardrail connecting ring; 12. Insert limit rod; 13. Closed baffle; 2. Building pile hole blocking plate; 21. Cone-shaped hole wall limit tube; 22. "Y"-shaped support rod; 23. Guardrail crossbar support sleeve; 24. "L"-shaped closed wrapping plate; 25. Connecting hole plate; 3. Support vertical rod; 31. Limit connecting sleeve; 32. Threaded through hole. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 5The utility model provides the following technical solutions: a construction site protection fence, including four square-distributed building pile hole protection fences 1, four building pile hole protection fences 1 are provided with building pile hole blocking plates 2, the bottom ends of the building pile hole blocking plates 2 are fixedly connected with a frustum-shaped hole wall limiting tube 21, the outer walls of the building pile hole blocking plates 2 are fixedly connected with a "Y"-shaped support rod 22, the ends of the four "Y"-shaped support rods 22 are fixedly connected with two protection rail cross bar support sleeves 23, the protection rail cross bar support sleeves 23 are detachably connected to the building pile hole protection fence 1, and the building pile hole protection fence 1 is provided with two symmetrically distributed support vertical rods 3.

[0018] In this embodiment: when the ground around the building pile hole is not paved with concrete, the inner wall of the building pile hole protrudes from the ground, and the staff inserts the cone-shaped hole wall limiting tube 21 into the building pile hole, and the building pile hole sealing plate 2 is laid flat on the top of the building pile hole. The building pile hole sealing plate 2 and the cone-shaped hole wall limiting tube 21 can seal the pile hole to prevent people and foreign objects from falling into the building pile hole. Then the staff engages the four building pile hole guardrails 1 in the guardrail cross bar support sleeves 23, and each building pile hole guardrail 1 is supported by two guardrail cross bar support sleeves 23. The guardrail cross bar support sleeves 23 pre-fix the building pile hole guardrail 1, and then the staff flips the "L"-shaped closed wrapping plate 24 to close it, and uses bolts to fix the guardrail cross bar support sleeves 23 and the "L"-shaped closed wrapping plate 24, and then adjusts the support vertical rod 3 downward until the support vertical rod 3 The support is stably supported on the ground, and then the supporting vertical rods 3 are tightened. The building pile hole guardrail 1 is supported by the supporting vertical rods 3 to improve the stability of the building pile hole guardrail 1. The extended lengths of multiple supporting vertical rods 3 can be adjusted independently, so that the device can be suitable for the uneven ground around the building pile hole. After paving concrete around the building pile hole, the staff adjusts the bottom ends of the supporting vertical rods 3 to be flush with the concrete ground, and the remaining parts do not need to be adjusted. The building pile hole guardrail 1 is supported and limited by the building pile hole sealing plate 2, the frustum-shaped hole wall limiting tube 21, the "Y"-shaped supporting rod 22 and the guardrail cross bar supporting sleeve 23. The supporting vertical rods 3 provide auxiliary support to the building pile hole guardrail 1, so that the staff can install the building pile hole guardrail 1 around the building pile hole without damaging the concrete ground. The device is easy to install and has a wider range of applications.

[0019] Guardrail connecting rings 11 are fixedly connected on both sides of the building pile hole guardrail 1. The guardrail connecting rings 11 on two adjacent building pile hole guardrails 1 are staggered, and a plug-in limit rod 12 is inserted in the guardrail connecting ring 11; after the staff has fixed multiple building pile hole guardrails 1, the plug-in limit rod 12 is inserted into the guardrail connecting ring 11, and the two adjacent building pile hole guardrails 1 are connected by the plug-in limit rod 12, so that the four building pile hole guardrails 1 are connected as a whole, thereby increasing the stability of the four building pile hole guardrails 1, and the guardrail connecting rings 11 on two adjacent building pile hole guardrails 1 have a height difference, so that the guardrail connecting rings 11 on the two adjacent building pile hole guardrails 1 are in a coaxial position, so that the plug-in limit rod 12 can be inserted into the two guardrail connecting rings 11.

[0020] A closed baffle 13 is fixedly connected to the outer wall of the building pile hole guardrail 1, and the bottom end of the closed baffle 13 is flush with the bottom end of the building pile hole guardrail 1; by setting the closed baffle 13, impurities on the ground can be intercepted from moving toward the pile hole, and the closed baffle 13 can provide installation space for the support vertical rod 3 and the limiting connecting sleeve 31.

[0021] An "L"-shaped closed wrapping plate 24 is hinged on one side of the guardrail cross bar support sleeve 23, and the side walls of the guardrail cross bar support sleeve 23 and the "L"-shaped closed wrapping plate 24 are fixedly connected with connecting hole plates 25; after the building pile hole guardrail 1 is engaged in the guardrail cross bar support sleeve 23, the "L"-shaped closed wrapping plate 24 is flipped over to make the two connecting hole plates 25 fit together, and then the two connecting hole plates 25 are fixed with bolts. By setting the "L"-shaped closed wrapping plate 24, the top of the building pile hole guardrail 1 can be wrapped in cooperation with the guardrail cross bar support sleeve 23. After the two connecting hole plates 25 are fixed with bolts, the guardrail cross bar support sleeve 23 and the "L"-shaped closed wrapping plate 24 can be stably engaged on the outer wall of the top bar of the building pile hole guardrail 1 to prevent the building pile hole guardrail 1 from detaching from the guardrail cross bar support sleeve 23.

[0022] A limiting connecting sleeve 31 is sleeved on the outer side of the supporting vertical rod 3, and the limiting connecting sleeve 31 is fixedly connected to the closed baffle 13, and a threaded through hole 32 is opened on the side wall of the limiting connecting sleeve 31; the supporting vertical rod 3 can be limited by setting the limiting connecting sleeve 31, and the limiting connecting sleeve 31 and the threaded through hole 32 can cooperate to adjust the extension length of the supporting vertical rod 3. After the supporting vertical rod 3 is extended and contacts the ground, a bolt is used to pass through the threaded through hole 32 to squeeze the supporting vertical rod 3, and the supporting vertical rod 3 is fastened with the help of the bolt.

[0023] The working principle and use process of the utility model are as follows: the staff inserts the cone-shaped hole wall limiting tube 21 into the building pile hole, and the building pile hole blocking plate 2 is laid flat on the top of the building pile hole. The building pile hole blocking plate 2 and the cone-shaped hole wall limiting tube 21 can block the pile hole, and then the staff engages the four building pile hole guardrails 1 in the guardrail crossbar support sleeve 23, and then the staff flips the "L"-shaped closed wrapping plate 24 to close it, and uses bolts to fix the guardrail crossbar support sleeve 23 and the "L"-shaped closed wrapping plate 24, and then inserts the plug-in limiting rod 12 into the guardrail connecting ring 11, and connects the two adjacent building pile hole guardrails 1 by plugging the limiting rod 12, so that the four building pile hole guardrails The guardrail 1 is connected as a whole to increase the stability of the four building pile hole guardrails 1. When the ground around the building pile hole is not paved with concrete, the support vertical rod 3 is adjusted downward until the support vertical rod 3 is stably supported on the ground, and then the support vertical rod 3 is tightened. The building pile hole guardrail 1 is supported by the support vertical rod 3. After the concrete is paved around the building pile hole, the staff adjusts the bottom end of the support vertical rod 3 to be flush with the concrete ground, and the remaining parts do not need to be adjusted. The building pile hole guardrail 1 is supported and limited by the building pile hole sealing plate 2, the frustum-shaped hole wall limiting tube 21, the "Y"-shaped support rod 22 and the guardrail crossbar support sleeve 23, and the support vertical rod 3 provides auxiliary support for the building pile hole guardrail 1.

Claims

1. A construction site protection fence, characterized by: The invention comprises four square-distributed building pile hole guardrails (1), wherein the four building pile hole guardrails (1) are provided with building pile hole blocking plates (2), the bottom ends of the building pile hole blocking plates (2) are fixedly connected with a cone-shaped hole wall limiting tube (21), the outer walls of the building pile hole blocking plates (2) are fixedly connected with a "Y"-shaped support rod (22), the ends of the four "Y"-shaped support rods (22) are all fixedly connected with two guardrail crossbar support sleeves (23), the guardrail crossbar support sleeves (23) are detachably connected to the building pile hole guardrails (1), and the building pile hole guardrails (1) are provided with two symmetrically distributed support vertical rods (3).

2. A construction site protection fence according to claim 1, characterized in that: Guardrail connecting rings (11) are fixedly connected to both sides of the building pile hole guardrail (1), the guardrail connecting rings (11) on two adjacent building pile hole guardrails (1) are staggered, and a plug-in limit rod (12) is plugged into the guardrail connecting ring (11).

3. A construction site protection fence according to claim 1, characterized in that: A closed baffle plate (13) is fixedly connected to the outer wall of the building pile hole guardrail (1), and the bottom end of the closed baffle plate (13) is flush with the bottom end of the building pile hole guardrail (1).

4. A construction site protection fence according to claim 1, characterized in that: An "L"-shaped closed wrapping plate (24) is hingedly connected to one side of the guardrail crossbar support sleeve (23), and the side walls of the guardrail crossbar support sleeve (23) and the "L"-shaped closed wrapping plate (24) are both fixedly connected to a connecting hole plate (25).

5. A construction site protection fence according to claim 3, characterized in that: A limiting connection sleeve (31) is sleeved on the outer side of the supporting vertical rod (3), the limiting connection sleeve (31) is fixedly connected to the closed baffle (13), and a threaded through hole (32) is provided on the side wall of the limiting connection sleeve (31).

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