CN219176053U

CN219176053U - Folding entrance to a cave protector

Info

Publication number: CN219176053U
Application number: CN202222983947.1U
Authority: CN
Inventors: 符新旗; 王克
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-13
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to the technical field of protection frames, in particular to a folding type hole protection device which comprises two groups of protection fences, wherein the two groups of protection fences are hinged through hinges, the two groups of protection fences are supported in front of a vertical hole after being unfolded, the vertical hole is formed in the surface of a concrete wall surface, the concrete wall surface is arranged on the ground, a sleeve is connected onto a cross rod of the protection fence in a sliding manner, a supporting rod is arranged on the surface of the sleeve, and clamping screws are screwed on the surface of the sleeve; the beneficial effects are as follows: according to the folding type tunnel portal protection device, the protection device is protected before the vertical tunnel portal after being unfolded, the supporting rod is supported on the side wall of the vertical tunnel portal through adjusting the position of the sleeve, the protection device is prevented from toppling over, and the two groups of protection fences are folded and stored after being used, so that turnover is facilitated.

Description

Folding entrance to a cave protector

Technical Field

The utility model relates to the technical field of protection frames, in particular to a folding type tunnel portal protection device.

Background

In the building construction process, holes are often reserved on the wall for later construction, and holes similar to elevator doors are definitely formed in the holes, so that larger potential safety hazards are brought to a construction site, and protection warning is needed for the holes.

Among the prior art, protector is mostly pipe support and seals keep off and two types of formalization protection, and both are many horizontal pipes and standpipe constitution grid frame structure, and the mounting bracket of rethread top both sides is fixed at the entrance to a cave, and the pipe support is direct to be fixed through expansion bolts.

Although fixed firm reliable, when the ground construction of entrance to a cave bottom ground or the near ground in entrance to a cave, need take off the pipe support, because expansion bolts is fixed can only dismantle the bolt just can take off the pipe support, will expand the bolt and throw into the wall body again and fix the pipe support after the construction is accomplished, the dismantlement of pipe support wastes time and energy, influences the efficiency of construction. And the shaping device occupies a large area in a complex building, is not easy to carry and has low utilization rate.

Disclosure of Invention

The utility model aims to provide a folding type tunnel portal protection device, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a foldable entrance to a cave protector, includes two sets of protection rail, and two sets of protection rail pass through the hinge and articulate, and the place ahead at vertical entrance to a cave is strutted after two sets of protection rail expand, and vertical entrance to a cave is seted up on concrete wall's surface, and concrete wall locates subaerial, sliding connection has the sleeve pipe on the horizontal pole of protection rail, and sheathed tube surface is provided with supports and holds the pole, and sheathed tube surface spiro union has the clamping screw.

Preferably, the surface of the protective fence is provided with a dense mesh type safety net, and the surface of one group of protective fences is provided with steel plate retaining feet.

Preferably, two sleeves are symmetrically arranged on the cross rod of the protective fence, a wire sleeve is arranged on the top surface of each sleeve, the wire sleeve is communicated with the groove body of each sleeve, and the clamping screw is in threaded connection with the wire sleeve.

Preferably, the supporting rod is in an L-shaped rod-shaped structure, and the bending section of the supporting rod faces to the side wall of the vertical hole.

Preferably, the top surface of clamping screw has seted up a plurality of finger grooves, and the surface bonding of finger groove has the silica gel gasket, and the silica gel gasket is "" font piece.

Preferably, two traction plates are symmetrically arranged on two sides of the clamping screw, pull rings are arranged on the surfaces of the traction plates, two groups of limiting rings are arranged on the surfaces of the traction plates, and the two groups of limiting rings are symmetrically distributed on the top plate of the clamping screw.

Preferably, a stop block is slidably connected in the notch of the limiting ring and fixed on the surface of the clamping screw, a rubber protrusion is arranged on the surface of the stop block, and the rubber protrusion is clamped between the notch of the limiting ring and the stop block.

Compared with the prior art, the utility model has the beneficial effects that:

according to the folding type tunnel portal protection device, the protection device is protected before the vertical tunnel portal after being unfolded, the supporting rod is supported on the side wall of the vertical tunnel portal through adjusting the position of the sleeve, the protection device is prevented from toppling over, and the two groups of protection fences are folded and stored after being used, so that turnover is facilitated.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the protective fence of the present utility model after being unfolded;

FIG. 3 is a schematic view of a connection structure of two sets of guard rails according to the present utility model;

FIG. 4 is a schematic view of the connection structure of the sleeve and the holding rod of the present utility model;

FIG. 5 is a schematic view of the structure of the clamping screw of the present utility model;

fig. 6 is a schematic view of the clamping screw of the present utility model in a broken away configuration.

In the figure: the protective fence 1, the hinge 2, the dense mesh type safety net 3, the steel plate retaining foot 4, the sleeve 5, the supporting rod 6, the wire sleeve 7, the clamping screw rod 8, the finger groove 9, the silica gel gasket 10, the traction plate 11, the pull ring 12, the limiting ring 13, the stop block 14, the concrete wall 15, the vertical hole 16 and the ground 17.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1 to 4, the present utility model provides a technical solution: the folding type tunnel portal protection device comprises two groups of protection fences 1, wherein the two groups of protection fences 1 are hinged through hinges 2, the two groups of protection fences 1 are supported in front of a vertical tunnel portal 16 after being unfolded, the vertical tunnel portal 16 is formed in the surface of a concrete wall surface 15, the concrete wall surface 15 is arranged on the ground 17, a sleeve 5 is connected onto a cross rod of the protection fence 1 in a sliding manner, a supporting rod 6 is arranged on the surface of the sleeve 5, and a clamping screw 8 is connected onto the surface of the sleeve 5 in a threaded manner; the protection device is unfolded and then protected before the vertical hole 16, the supporting rod 6 is supported on the side wall of the vertical hole 16 through the position of the adjusting sleeve 5, the protection device is prevented from toppling over, and the two groups of protection fences 1 are folded and stored after being used, so that turnover is facilitated.

Example two

On the basis of embodiment one, in order to realize that two sets of protection rail 1 expand the back and protect vertical entrance to a cave 16, the surface of protection rail 1 is equipped with dense mesh formula safety net 3, and the surface of a set of protection rail 1 is provided with steel sheet fender foot 4, the symmetry is equipped with two sleeve pipes 5 on the horizontal pole of protection rail 1, the top surface of sleeve pipe 5 is provided with silk cover 7, the cell body of silk cover 7 and sleeve pipe 5 link up, and clamping screw 8 spiro union is in silk cover 7, support and hold pole 6 and be "L" shape rod-like structure, support the lateral wall that holds pole 6's bending section towards vertical entrance to a cave 16.

Example III

Referring to fig. 5 to 6, on the basis of the second embodiment, in order to achieve the purpose of screwing the clamping screw 8 by hand conveniently, a plurality of finger grooves 9 are formed in the top surface of the clamping screw 8, a silica gel gasket 10 is adhered to the surface of the finger grooves 9, the silica gel gasket 10 is a -shaped sheet, two traction plates 11 are symmetrically arranged on two sides of the clamping screw 8, pull rings 12 are arranged on the surfaces of the traction plates 11, two groups of limiting rings 13 are arranged on the surfaces of the traction plates 11, the two groups of limiting rings 13 are symmetrically distributed on the top plate of the clamping screw 8, a stop block 14 is slidably connected in a notch of the limiting ring 13, the stop block 14 is fixed on the surface of the clamping screw 8, rubber protrusions are arranged on the surface of the stop block 14, and the rubber protrusions are clamped between the notch of the limiting ring 13 and the stop block 14.

When the protective fence is in actual use, the two groups of protective fences 1 are unfolded and then blocked in front of the vertical hole 16, the sleeve 5 is stirred to slide along the cross rod of the protective fence 1 until the supporting rod 6 is supported on the side wall of the vertical hole 16, the clamping screw rod 8 is screwed to clamp the cross rod of the protective fence 1, the sleeve 5 is fixed, so that the two groups of symmetrically distributed supporting rods 6 are supported on the side wall of the vertical hole 16, at the moment, the protective fences 1 where the two groups of supporting rods 6 are positioned cannot fall down, namely the two groups of protective fences 1 are unfolded and protected in front of the vertical hole 16; when the clamping screw rod 8 is screwed, the silica gel gasket 10 is pinched by a finger to be screwed, or the pulling plate 11 is stretched to stretch out after the finger passes through the pull ring 12, so that the force arm is increased to screw the clamping screw rod 8, and the labor is saved.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable entrance to a cave protector, includes two sets of protection rail (1), and two sets of protection rail (1) are articulated through hinge (2), and the place ahead at vertical entrance to a cave (16) is strutted after two sets of protection rail (1) are expanded, and the surface at concrete wall (15) is seted up in vertical entrance to a cave (16), and concrete wall (15) are located on ground (17), its characterized in that: the horizontal pole of protection rail (1) is last sliding connection has sleeve pipe (5), and the surface of sleeve pipe (5) is provided with supports and holds pole (6), and the surface spiro union of sleeve pipe (5) has clamping screw (8).

2. A folding cave mouth guard according to claim 1, wherein: the surface of the protective fence (1) is provided with a dense mesh type safety net (3), and the surface of one group of protective fences (1) is provided with steel plate retaining feet (4).

3. A folding cave mouth guard according to claim 2, wherein: two sleeves (5) are symmetrically arranged on the cross rod of the protective fence (1), a wire sleeve (7) is arranged on the top surface of each sleeve (5), the wire sleeve (7) is communicated with the groove body of each sleeve (5), and the clamping screw rods (8) are in threaded connection with the wire sleeve (7).

4. A folding cave mouth guard according to claim 1, wherein: the supporting rod (6) is of an L-shaped rod-shaped structure, and the bending section of the supporting rod (6) faces the side wall of the vertical hole (16).

5. A folding cave mouth guard according to claim 1, wherein: a plurality of finger grooves (9) are formed in the top surface of the clamping screw (8), a silica gel gasket (10) is adhered to the surface of the finger grooves (9), and the silica gel gasket (10) is a -shaped sheet.

6. A folding cave mouth guard according to claim 1, wherein: two traction plates (11) are symmetrically arranged on two sides of the clamping screw (8), pull rings (12) are arranged on the surfaces of the traction plates (11), two groups of limiting rings (13) are arranged on the surfaces of the traction plates (11), and the two groups of limiting rings (13) are symmetrically distributed on the top plate of the clamping screw (8).

7. The folding type tunnel portal protection device according to claim 6, wherein: the notch of the limiting ring (13) is connected with a stop block (14) in a sliding mode, the stop block (14) is fixed on the surface of the clamping screw rod (8), rubber bulges are arranged on the surface of the stop block (14), and the rubber bulges are clamped between the notch of the limiting ring (13) and the stop block (14).