Pay-off hole opening protection device

Abstract

The utility model discloses a pay-off hole opening protection device, and relates to the technical field of building construction, the pay-off hole opening protection device comprises a protection plate placed at the top of a pay-off hole, the protection plate is tightly attached to the top surface of a floor of the pay-off hole, the number of limiting plates is two, hexagon bolts are sleeved on the limiting plates in a threaded mode, and the two limiting plates are connected with the protection plate in a threaded mode. The hexagon bolts are sleeved with nuts matched with the hexagon bolts in a threaded mode, the two limiting plates are fixedly connected to the top face of a floor through the hexagon bolts and the nuts, the protection plate is arranged between the two limiting plates and fixedly connected to the top face of the floor through welding, and a protection top plate is arranged on the protection plate. According to the pay-off hole opening protection device, through cooperation of the limiting plate, the hexagon bolt, the protection plate, the circular sleeve, the screw rod and the handle, the pay-off hole opening can be exposed according to needs, the hole opening can be closed when pay-off is not needed, the situation that objects fall off from the hole opening or constructors step in the hole opening by mistake is avoided, and potential risks are eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a protective device for a wire-laying hole opening. Background Art

[0002] During the construction process, especially when it comes to high-rise and super-high-rise construction, it is necessary to leave measurement and monitoring control points inside the floor to facilitate the subsequent measurement and construction of floor elevations, control points, etc. For this reason, holes of a certain size are often reserved at the location of each floor slab for measurement and monitoring. Since the setting of measurement and layout holes poses a great safety hazard, it poses a serious safety hazard to the operators on the construction floor and the floors below, and closed protection is required;

[0003] In the existing solution to the problem of timely protection of the opening of the wire laying hole in construction, the general construction site usually adopts the method of covering with a template or reinforcing the cover with steel nails, and fixes the template to cover the wire laying hole. However, the existing wire laying hole protection method requires workers to reinstall the protection after each point drawing and laying is completed, which is inconvenient to construct, and the covering area of ​​the general template is fixed, and the flexibility of use is poor. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a protective device for the opening of the laying hole, which solves the problem of timely protection of the opening of the laying hole in the existing construction. Generally, the construction site adopts the method of covering with a template or reinforcing the cover with steel nails to fix the template to cover the laying hole. However, the existing protection method of the laying hole requires workers to reinstall the protection after each point laying is completed, which is inconvenient to construct, and the covering area of ​​the general template is fixed, and the technical problem of poor flexibility in use.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A protective device for a wire-laying hole opening, comprising a limit plate and a protective plate placed on the top of the wire-laying hole, wherein the protective plate is closely attached to the top surface of the floor slab of the wire-laying hole;

[0009] There are two limit plates, on which a hexagonal bolt is threadedly sleeved, and a nut matching the hexagonal bolt is threadedly sleeved, and the two limit plates are fixedly connected to the top surface of the floor slab by the hexagonal bolt and the nut, and the protective plate is arranged between the two limit plates, and the protective plate is fixedly connected to the top surface of the floor slab by welding, and a protective top plate is arranged on the protective plate;

[0010] The protective plate is provided with a locking structure, which includes a circular sleeve, which is slidably connected to the protective plate, and the circular sleeve is arranged horizontally on the top surface of the protective plate, and a threaded screw is connected to the inner thread of the circular sleeve.

[0011] Preferably, the protective plate and the protective top plate are both rectangular plates.

[0012] Preferably: the protective plate is welded into a hollow rectangular shape according to the size of the wire-laying hole, and the two assembled limit plates are welded at the diagonals of the protective plate.

[0013] Preferably, the top end of one side of the rectangular protective plate is welded to the circular sleeve, the circular sleeve is inserted into the threaded screw for assembly, and a handle is welded on the protective top plate.

[0014] Preferably, the protective top plate is welded to the circular sleeve after the handle is welded.

[0015] Preferably, hexagonal bolts and nuts are M12.

[0016] (III) Beneficial effects

[0017] The wire-laying hole opening protection device in the utility model cooperates with a limit plate, a hexagonal bolt, a protection plate, a circular sleeve, a screw rod and a handle, and can close the wire-laying hole that needs to be exposed when wire laying is not needed, so as to avoid objects falling from the hole or construction workers accidentally stepping into the hole, thereby eliminating potential risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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 embodiments of the utility model in conjunction with the accompanying drawings.

[0019] Figure 1 It is the overall structure diagram of the utility model;

[0020] Figure 2 It is a side view of the utility model.

[0021] Legend: 1. Limit plate; 3. Hexagonal bolt; 4. Protective top plate; 5. Protective plate; 6. Handle; 7. Round sleeve; 8. Threaded screw. DETAILED DESCRIPTION

[0022] The embodiment of the present application provides a protection device for the opening of the laying-wire hole, which effectively solves the existing problem of timely protection of the opening of the laying-wire hole in construction. Generally, the construction site often uses a template to cover or a steel nail reinforced cover plate to fix the template to cover the laying-wire hole. However, the existing protection method for the laying-wire hole requires workers to reinstall the protection after each point-in-line laying is completed, which is inconvenient to construct, and the covering area of ​​the general template is fixed, which has poor technical problems in terms of flexibility of use.

[0023] Example

[0024] The overall idea of ​​the technical solution in the embodiment of the present application is as follows:

[0025] like Figure 1-2 As shown, in view of the problems existing in the prior art, the utility model provides a wire-laying hole opening protection device, comprising a limiting plate 1 and a protection plate 5 placed on the top of the wire-laying hole, wherein the protection plate 5 is closely arranged on the top surface of the floor slab of the wire-laying hole, wherein the limiting plates 1 are two in total, a hexagonal bolt 3 is threadedly sleeved on the limiting plates 1, a nut matching the hexagonal bolt 3 is threadedly sleeved on the hexagonal bolt 3, the two limiting plates 1 are fixedly connected to the top surface of the floor slab by the hexagonal bolt 3 and the nut, the protection plate 5 is arranged between the two limiting plates 1, and the protection plate 5 The protective plate 5 is fixedly connected to the top surface of the floor by welding, and a protective top plate 4 is arranged on the protective plate 5. The protective plate 5 is provided with a locking structure, and the locking structure includes a circular sleeve 7, and the circular sleeve 7 is slidably connected to the protective plate 5. The circular sleeve 7 is arranged horizontally on the top surface of the protective plate 5. The circular sleeve 7 is internally threaded with a threaded screw 8, and the limit plate 1, the hexagonal bolt 3 and the nut are fixed to the top of the floor next to the opening of the wire-laying hole. The threaded screw 8 is rotated on the circular sleeve 7, and the handle 6 is used to realize the opening and closing of the protective top plate 4;

[0026] The protective plate 5 and the protective top plate 4 are both rectangular plates. The protective plate 5 is welded into a hollow rectangular shape according to the size of the wire-laying hole. The two assembled limit plates 1 are welded diagonally on the protective plate 5. The top of one side of the rectangular protective plate 5 is welded to the circular sleeve 7. The circular sleeve 7 is assembled by inserting the threaded screw 8. A handle 6 is welded on the protective top plate 4. After the handle 6 is welded, the protective top plate 4 is welded to the circular sleeve 7. The hexagonal bolts 3 and nuts are M12.

[0027] The protective top plate 4 is made of steel plate with a diameter of 5 to 10 mm, the limit plate 1 is made of rectangular steel plate with a thickness of 5 to 10 mm; the protective plate 5 is made of steel plate with a diameter of 5 to 10 mm; the circular sleeve 7 is made of a circular steel sleeve with a diameter of 10 to 20 mm; the handle 6 is made of a rectangular steel plate with a thickness of 5 to 10 mm; the threaded screw 8 has a diameter that coincides with the circular sleeve 7.

[0028] Working principle:

[0029] Step 1: Fix the limit plate 1 to the top surface of the floor slab with hexagonal bolts 3 and nuts;

[0030] Step 2: Weld the protective plate 5 into a rectangular shape and then weld it to the limiting plate 1;

[0031] Step 3: The circular sleeve 7 is welded and fixed to the top of any side of the protective plate 5, and the circular sleeve 7 is inserted into the threaded screw 8;

[0032] Step 4: After S3 is completed, it is welded to the protective top plate 4, and the other end of the protective top plate 4 is welded to the handle 6.

[0033] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A wire-laying hole opening protection device, characterized in that: The protective device for the opening of a wire-laying hole comprises a limit plate (1) and a protective plate (5) placed on the top of the wire-laying hole, wherein the protective plate (5) is arranged in close contact with the top surface of the floor slab of the wire-laying hole; There are two limit plates (1) in total, a hexagonal bolt (3) is threadedly sleeved on the limit plates (1), a nut matched with the hexagonal bolt (3) is threadedly sleeved on the hexagonal bolt (3), the two limit plates (1) are fixedly connected to the top surface of the floor slab by the hexagonal bolt (3) and the nut, the protective plate (5) is arranged between the two limit plates (1), the protective plate (5) is fixedly connected to the top surface of the floor slab by welding, and a protective top plate (4) is arranged on the protective plate (5); The protective plate (5) is provided with a locking structure, and the locking structure comprises a circular sleeve (7), the circular sleeve (7) is slidably connected to the protective plate (5), the circular sleeve (7) is arranged horizontally on the top surface of the protective plate (5), and the circular sleeve (7) is internally threadedly connected to a threaded screw (8).

2. A wire-laying hole protection device as claimed in claim 1, characterized in that: The protective plate (5) and the protective top plate (4) are both rectangular plates.

3. A wire-laying hole protection device as claimed in claim 2, characterized in that: The protection plate (5) is welded into a hollow rectangular shape according to the size of the wire-laying hole, and the two assembled limit plates (1) are welded at the diagonal edges of the protection plate (5).

4. A wire-laying hole protection device as claimed in claim 1, characterized in that: One end top of the rectangular protective plate (5) is welded to a circular sleeve (7), and the circular sleeve (7) is inserted into a threaded screw (8) for assembly. A handle (6) is welded to the protective top plate (4).

5. A wire-laying hole protection device as claimed in claim 1, characterized in that: After the handle (6) is welded, the protective top plate (4) is welded to the circular sleeve (7).

6. A wire-laying hole protection device as claimed in claim 5, characterized in that: The hexagonal bolts (3) and nuts are M12.

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