CN106836960B

CN106836960B - Close net stairwell protection network

Info

Publication number: CN106836960B
Application number: CN201710177566.5A
Authority: CN
Inventors: 宋国华; 徐律; 吴海
Original assignee: Jiangsu Goldnet Fencing System Co Ltd
Current assignee: Jiangsu Goldnet Fencing System Co Ltd
Priority date: 2017-03-23
Filing date: 2017-03-23
Publication date: 2020-04-03
Anticipated expiration: 2037-03-23
Also published as: CN106836960A

Abstract

The invention relates to a dense-net stairwell protective net, which mainly solves the problems that an existing connecting piece is exposed outside and is easy to disassemble, and the damage prevention performance is poor. The invention adopts a dense-net stairwell protective net which is formed by splicing a plurality of protective net units, wherein each splicing piece comprises an inner insertion piece and a splicing steel plate, each protective net unit comprises a left upright post, a right upright post, a middle post, an upper transverse rod, a lower transverse rod and a net piece, the left upright post and the right upright post are respectively fixed on a stair beam, the middle post used for connecting two adjacent groups of net pieces is arranged between the left upright post and the right upright post, the upper end part and the lower end part of the middle post are respectively fixed on the upper transverse rod and the lower transverse rod, a splicing transverse rod used for splicing the net pieces is also arranged between the upper transverse rod and the lower transverse rod, and the splicing transverse rod is provided with a clamping piece.

Description

Close net stairwell protection network

Technical Field

The invention relates to a protective net, in particular to a protective net for a dense-net stairwell.

Background

It is found in the prior art that the connecting pieces are used for fixing the net piece on the upright posts, the connecting pieces are exposed outside and are easy to disassemble, the damage prevention performance is poor, and the periphery of the protective fence device, particularly the top of the protective fence device is not well fastened, so that the protection capability of the device is affected.

For another example, CN 102493710 a discloses a fence and a fence system, wherein the top of the fence or the fence system is not fixed on a fixed object, when the system is used in the field of security protection, a vandal can get out of the way from an unsecured place, so that the protection capability of the security fence device can be disabled, and especially for places such as prisons and museums, which have high requirements on the anti-vandal level, the anti-vandal performance of the security fence device is low.

Disclosure of Invention

The invention aims to solve the technical problems that the existing connecting piece is exposed outside and is easy to disassemble, and the damage prevention performance is poor, and provides a novel dense-net stairwell protective net. The protective net has the advantage of difficult disassembly.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a close net stairwell protection network, this protection network is formed through the splice concatenation by a plurality of protection network units, the splice includes interior plug-in components and concatenation steel sheet, the protection network unit includes left stand, right stand, intermediate pillar, last horizontal pole, sheer pole and net piece, left side stand and right stand are fixed respectively on the stair roof beam, be equipped with the intermediate pillar that is used for connecting adjacent two sets of net pieces between left side stand and the right stand, the upper and lower both ends of intermediate pillar are fixed respectively on last horizontal pole and sheer pole, it still is equipped with the concatenation horizontal pole that is used for the concatenation net piece to go up between horizontal pole and the sheer pole, be equipped with the chucking spare on the concatenation horizontal pole.

Preferably, the inner splicing piece is in a U-shaped structure and is divided into a base surface and two side panels, the two side panels are provided with a bolt hole, and the two inner splicing pieces are respectively an upper inner splicing piece and a lower inner splicing piece.

Preferably, 4 bolt holes are formed in the spliced steel plate.

Preferably, the left upright post, the right upright post and the upright post positioned at the top and the bottom in the middle post are provided with flange plates, and the flange plates are fixed through chemical bolts.

Preferably, the mesh comprises a plurality of meshes, and the meshes are mutually staggered to form a plurality of grids.

Preferably, at least one frame body of the left upright post, the right upright post, the upper cross bar, the lower cross bar and the middle post comprises a first body and a second body, the first body is provided with a first edge part and a second edge part, the first edge part is fixed on the fixed object, the second body and the second edge part are oppositely arranged, and the corresponding edge part of the net sheet is clamped between the second body and the second edge part.

Preferably, the first body is of an angle structure, and the second body is of a sheet structure.

More preferably, the first side portion has a plurality of first mounting holes formed therein, and expansion bolts are disposed in the first mounting holes, and the first side portion is fixed to the fixing member by the expansion bolts.

More preferably, the second body is provided with a plurality of second mounting holes, each of the second mounting holes is provided with a first fastener, the first fasteners fix the second body, the corresponding side portions of the mesh sheet and the second side portions together, and the first fasteners are anti-dismounting bolts.

The fence protective net is fixed on the upright posts, the left upright post unit and the right upright post unit on the uppermost part and the lowermost part are provided with the connecting plates, and the connecting plates are fixed on the wall body through the expansion bolts, so that the whole fence protective net is firmly connected with the wall body, the damage prevention grade of the fence protective net is improved, and the installation is more convenient.

The protective net is arranged on the stairs, and is manually damaged by a hammer, which takes 2 hours. If the prior protective net is used, the damage is manually carried out by a hammer, and the time is taken for 30 minutes. Therefore, the manual damage of the protective net by using the hammer prolongs the damage time by 75 percent, greatly improves the damage prevention grade, and in addition, because only one contact surface is arranged on the equipment bottom column, the requirement on the terrain of ground installation is greatly reduced, and a better technical effect is obtained.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a dense-net stairwell protection net of the invention;

FIG. 2 is a partial enlarged view of the portion A of the dense-net stairwell protection net of the invention;

FIG. 3 is a cross-sectional view at B of the dense-net stairwell protection net of the invention;

FIG. 4 is a partial enlarged view of the protection net at the position C of the dense-net stairwell of the invention;

FIG. 5 is a partial enlarged view of the protection net of the dense-net stairwell according to the invention at position D;

FIG. 6 is a partial enlarged view of the protection net of the dense-net stairwell according to the invention at E;

in the figure:

1. mesh sheet 11, mesh wire 12 and grid

21. Left upright post 22, middle post 23 and right upright post

31. First body 311, first edge 312, and second edge

313. First mounting hole 314, expansion bolt 315, second mounting hole

316. Fastener 317, chemical bolt 318 and flange plate

319. Welding port 32, second body 41 and upper cross bar

42. Lower cross bar 43, splicing cross bar 431 and clamping piece

51. Upper and

lower insert splices

52, 53 and a splice steel plate

54. Splicing interface

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It is to be noted that, as used in the following description, the terms "front", "rear", "left", "right", "upper" and "lower" refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from the geometric center of a specific part, respectively, "longitudinal" in the description refers to an up-down direction in the drawings, and "lateral" in the drawings refers to a left-right direction.

As shown in fig. 1, the dense-net stairwell protective net of the invention is formed by splicing a plurality of protective net units, each protective net unit comprises a left upright post 21, a middle post 22, a right upright post 23, an upper cross bar 41, a lower cross bar 42 and a net sheet 1, the left upright post 21 and the right upright post 23 are respectively fixed on a stairwell beam, the middle post 22 for connecting two adjacent groups of net sheets is arranged between the left upright post 21 and the right upright post 23, the left upright post 21, the right upright post 23 and the middle post 22 are arranged in parallel, the upper end part and the lower end part of the middle post 22 are respectively fixed on the upper cross bar 41 and the lower cross bar 42, a splicing cross bar 43 for splicing the net sheets 1 is further arranged between the upper cross bar 41 and the lower cross bar 42, and a clamping member 431 is arranged on the splicing cross.

As shown in fig. 2, which is a partially enlarged view of the dense-mesh stairwell protection net, the top and bottom columns of the left column 21, the middle column 22 and the right column 23 are provided with flanges 318, and the flanges 318 are fixed by chemical bolts 317.

As shown in fig. 3, the upper frame 21, the lower frame 22, the left frame 23, and the right frame 24 each include a first body 31 and a second body 32, the first body 31 has an angular structure, and the second body 32 has a sheet structure. The first body 31 has a first edge 311 and a second edge 312, and the second body 32 is disposed opposite to the second edge 312. The first side portion 311 is provided with a plurality of first mounting holes 313, expansion bolts 314 are disposed in the first mounting holes 313, and the first side portion 311 is fixed to a fixed object by the expansion bolts 314. The second body 32 is provided with a plurality of second mounting holes 315, each second mounting hole 315 is configured with a first fastening member 316, the first fastening member 316 fixes the second body 32, the corresponding edge portion of the mesh sheet 1 and the second edge portion 312 together, the first fastening member 316 may be fixed by bolts, rivets or screws, and in this embodiment, the first fastening member is an anti-dismounting bolt.

As shown in fig. 4, the enlarged view of a part of the dense-mesh stairwell protection net, the net sheet 11 includes a plurality of net wires 111, and the plurality of net wires 111 are interlaced to form a plurality of meshes 112.

As shown in fig. 5, the left and right upright posts are formed by splicing a plurality of upright post units in the longitudinal direction through an internal splicing piece, the inner insertion type splicing piece is in a U-shaped structure and is divided into a base surface and two side panels, the two side panels are provided with a bolt hole, the bolt holes correspond to the fixed holes on the upright posts in size, the number of the inner inserting type splicing pieces is two, namely an upper inner inserting type splicing piece 51 and a lower inner inserting type splicing piece 52, the upper inner inserting type splicing piece 51 and the upper upright posts of the two upright posts which are longitudinally adjacent are fixed on the stair girders through chemical bolts, the lower inner inserting type splicing piece 52 is fixed on the lower upright posts of the two upright posts which are longitudinally adjacent through bolts, then the upper insert and the lower insert are welded, the welding connection belongs to non-detachable connection, the damage of a destroyer can be effectively prevented, the whole protective net is tightly connected with the stair beam, so that the damage prevention grade of the protective net is improved.

As shown in fig. 6, the middle column is formed by longitudinally splicing a plurality of upright column units through splicing steel plates, 4 bolt holes are arranged on the splicing steel plates, and the size and the position of each bolt hole correspond to those of two adjacent upright columns.

[ example ] the following:

adopt the close net stairwell protection network of fig. 1, install on stair, artifical destroy with the hammer, take time 2 hours, its stand unit is connected through interpolation formula splice, has solved the connecting piece and has exposed the problem of dismantling very easily externally, can effectively prevent destruction person's destruction for fastening connection between whole protection network and the wall body, thereby improve the destruction prevention grade of protection network.

[ COMPARATIVE EXAMPLE ]:

the invention discloses a fence and a fence system, wherein the top of the fence or the fence system is not fixed on a fixed object, if the system is used in the field of safety protection, a breaker can disable the protection capability of the safety protection fence device by taking the place without fastening, and the anti-damage performance of the safety protection fence device is lower especially for places with higher anti-damage level requirements, such as prisons, museums and the like.

In addition to the above embodiments, other embodiments of the present invention are also possible. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the present invention.

Claims

1. A dense-net stairwell protective net is characterized in that the protective net is formed by splicing a plurality of protective net units through splicers, each splice comprises an inner insert and a spliced steel plate, each protective net unit comprises a left upright, a right upright, a middle column, an upper transverse rod, a lower transverse rod and net pieces, the left upright and the right upright are respectively fixed on a stairwell beam, the middle column used for connecting two adjacent groups of net pieces is arranged between the left upright and the right upright, the upper end part and the lower end part of each middle column are respectively fixed on the upper transverse rod and the lower transverse rod, a spliced transverse rod used for splicing the net pieces is further arranged between the upper transverse rod and the lower transverse rod, and clamping pieces are arranged on the spliced transverse rod; the inner inserting type splicing pieces are of a U-shaped structure, the number of the inner inserting type splicing pieces is two, namely an upper inner inserting type splicing piece and a lower inner inserting type splicing piece, the upper inner inserting type splicing piece and the upper upright post unit of the two upright post units which are adjacent in the longitudinal direction are fixed on the stair beam through chemical bolts, the lower inner inserting type splicing piece is fixed on the lower upright post unit of the two upright post units which are adjacent in the longitudinal direction through bolts, and the upper inner inserting type splicing piece and the lower inner inserting type splicing piece are welded.

2. The tight net stairwell protective net according to claim 1, characterized in that: the insert splice is divided into a base surface and two side panels with a bolt hole.

3. The tight net stairwell protective net according to claim 1, characterized in that: and 4 bolt holes are formed in the spliced steel plate.

4. The tight net stairwell protective net according to claim 1, characterized in that: the left upright post, the right upright post and the upright post positioned at the top and the bottom in the middle post are provided with flange plates which are fixed through chemical bolts.

5. The tight net stairwell protective net according to claim 1, characterized in that: the net piece comprises a plurality of net wires which are mutually staggered to form a plurality of grids.

6. The tight net stairwell protective net according to claim 1, characterized in that: at least one frame body in the left upright post, the right upright post, the upper cross bar, the lower cross bar and the middle post comprises a first body and a second body, the first body is provided with a first edge part and a second edge part, the first edge part is fixed on a fixed object, the second body and the second edge part are oppositely arranged, and the corresponding edge part of the net sheet is clamped between the second body and the second edge part.

7. The tight net stairwell protection net according to claim 6, characterized in that: the first body is of an angle structure, and the second body is of a sheet structure.

8. The tight net stairwell protection net according to claim 6, characterized in that: the first edge part is provided with a plurality of first mounting holes, expansion bolts are arranged in the first mounting holes, and the first edge part is fixed on the fixed object through the expansion bolts.

9. The tight net stairwell protection net according to claim 6, characterized in that: the second body is provided with a plurality of second mounting holes, each second mounting hole is internally provided with a first fastener, the first fasteners fix the second body, the corresponding edge parts of the net sheet and the second edge parts together, and the first fasteners are anti-dismantling bolts.