CN220058977U

CN220058977U - Foldable portable safety net device of dismouting of construction

Info

Publication number: CN220058977U
Application number: CN202321464159.XU
Authority: CN
Inventors: 王尧鸿; 陈康杰
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-21
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a foldable portable detachable safety net device for building construction, which comprises an upper net piece, a lower net piece, a fixing part and a supporting piece, wherein the fixing part is used for being installed on a scaffold; the utility model has a more stable structure, and prevents falling off when being impacted by a heavy object; and this device is collapsible, when not using as the protection, can fold this device after removing support piece, has improved this device's portability, is convenient for accomodate, stack, transport and carry of this installation net device.

Description

Foldable portable safety net device of dismouting of construction

Technical Field

The utility model relates to the technical field of building construction safety. In particular to a foldable portable detachable safety net device for building construction.

Background

The method has the advantages that the method is a great civil engineering and development engineering for promoting the engineering of the reconstruction of old communities in towns in China, and has great significance for meeting the requirements of people on fine living, promoting the internal needs of the life of the people, promoting the updating of cities and the transformation of development and construction modes and promoting the development of economy and high quality. At present, many old communities in China are residences with less than 6 floors, and the residences have the defects of falling off of outer walls, poor heat preservation effect, serious wall damage, general elevator absence and the like in the houses with longer build ages, and the aging degree is generally higher, so that potential safety hazards are quite large. Then a safety net is required to be placed around the old building during the retrofitting process to prevent accidents caused by falling people or objects.

The existing safety net is installed and fixed on the scaffold directly through ropes or iron wires, so that phenomena of loose binding, draging, loosening and the like easily occur, and especially after falling down of a high-altitude falling object, the connecting position can fall off, the protection effect cannot be effectively achieved, and when the safety net is detached and collected, the safety net needs to be folded and placed, so that time and labor are consumed very much. In response to this problem, a foldable portable installation safety net device for building construction is provided.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to provide a foldable, portable and detachable safety net device for building construction, which has a more stable structure and can avoid falling off when being impacted by heavy objects.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a collapsible portable dismouting's of construction safety net device, includes upper net piece, lower net piece, is used for installing fixed part and support piece on the scaffold frame, fixed part installs the downside of lower net piece, upper net piece articulates one side edge of lower net piece, support piece can the inclined support upper net piece is on lower net piece, makes upper net piece, lower net piece and support piece form the triangle support, utilizes triangle bearing structure to make the whereabouts net atress condition obtain very big improvement, and upper net piece is as the buffering, can weaken the impact of falling object to lower net piece for the fixed part is difficult for being shaken down after installing on the scaffold frame;

after the construction is completed, the supporting piece is removed, the upper net piece can be folded on the lower net piece, the space is reduced, portability is realized, and the net mounting device is convenient to store, stack, carry and transport.

Optionally, the support member adopts a hard metal rod structure.

Optionally, the upper end of the supporting piece is detachably connected to the upper mesh, and the lower end of the supporting piece is detachably connected to the lower mesh; correspondingly, clamping grooves are formed in the upper net sheet and the lower net sheet, and the upper end and the lower end of the supporting piece are inserted into the clamping grooves, so that the upper net sheet can be obliquely supported.

Preferably, the upper end of the supporting piece is rotatably connected to the upper net sheet, and the lower end of the supporting piece is detachably connected to the lower net sheet.

Preferably, the lower net sheet is provided with a plurality of limit grooves, and the lower end of the supporting piece can be clamped in the limit grooves; when the anti-falling net is installed, workers can flexibly adjust the arrangement angle of the anti-falling net according to the external space of the building, and the construction safety is improved.

Optionally, the number of the supporting pieces is one or more; when the number of the supporting pieces is one, the supporting pieces are positioned at the center of the upper net sheet; when the number of the supporting pieces is multiple, the supporting pieces are arranged between the upper net piece and the lower net piece at intervals, so that the supporting pieces of the upper net piece, which are supported by the supporting pieces, are relatively even.

Preferably, the number of the supporting pieces is 2, and each supporting piece is respectively connected to one side of the upper net sheet facing the lower net sheet and is close to the broadside of the upper net sheet.

Preferably, the fixing part comprises a U-shaped pipe buckle and a locking assembly, wherein the U-shaped pipe buckle is fixed at the lower side of the lower net sheet at intervals, and the locking assembly is matched with the U-shaped pipe buckle for use; the locking assembly comprises a third screw rod and a third nut, when the locking assembly is used, the U-shaped pipe buckle is clamped on the scaffold transverse support member, and after the third screw rod penetrates through the free end of the U-shaped pipe buckle, the two ends of the second screw rod are connected with the third nut through threads; the third screw may also be replaced by a bolt.

Optionally, the upper net sheet and the lower net sheet are connected through a hinge, and the hinge is a fixed hinge or a detachable hinge.

Preferably, the lower net comprises a lower anti-falling net, a lower fixing plate and a lower pressing plate, the lower pressing plate presses the lower anti-falling net on one side, far away from the supporting piece, of the lower fixing plate, and the lower end of the supporting piece is supported on the fixing plate; the upper net piece comprises an upper anti-falling net, an upper fixing plate and an upper pressing plate, wherein the upper pressing plate presses the lower anti-falling net on one side, far away from the supporting piece, of the upper fixing plate, and the upper end of the supporting piece is supported on the upper fixing plate.

Preferably, the upper anti-falling net is of a net structure and is formed by weaving metal ropes or nonmetal ropes, or is a plastic flat net or a metal flat net; the lower anti-falling net is of a net structure and is formed by cross braiding of metal ropes or durable nonmetallic ropes; the lower anti-falling net is detachably arranged on the lower fixing plate, and the upper anti-falling net is detachably arranged on the upper fixing plate.

The technical scheme of the utility model has the following beneficial technical effects:

according to the utility model, the upper net piece and the lower net piece are obliquely supported by the supporting piece, and when the device is used for protection, one sides of the upper net piece and the lower net piece are hinged, so that the upper net piece, the lower net piece and the supporting piece are supported to form a triangular supporting structure, the device has a more stable structure, and falling off is avoided when the device is impacted by a heavy object; and this device is collapsible, when not using as the protection, can fold this device after removing support piece, has improved this device's portability, is convenient for accomodate, stack, transport and carry of this installation net device.

Drawings

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

FIG. 2 is a schematic diagram of another embodiment of the present utility model;

FIG. 3 is a schematic diagram of an exploded structure of an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional view of a support member according to an embodiment of the present utility model.

The reference numerals in the drawings are as follows: 1-a fixed part; 2-upper anti-falling net; 3-falling preventing net; 4-a support; 401-a lower fixing plate; 402-a lower platen; 403-first screw; 404-a first nut; 405-upper fixing plate; 406-an upper platen; 407-a second screw; 408-a second nut; 410-limit grooves; 5-a third screw; 6-third nut.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 4, a foldable portable detachable safety net device for building construction comprises an upper net piece, a lower net piece, a fixing part 1 and a supporting part 4, wherein the fixing part 1 is used for being installed on a scaffold, the fixing part 1 is installed on the lower side of the lower net piece, the upper net piece is hinged on one side edge of the lower net piece, the supporting part 4 obliquely supports the upper net piece on the lower net piece, so that the upper net piece, the lower net piece and the supporting part 4 form a triangular support, the stress condition of an anti-falling net is greatly improved by utilizing a triangular support structure, the upper net piece is used as a buffer, the impact of falling objects on the lower net piece can be weakened, and the fixing part 1 is not easy to shake down after being installed on the scaffold;

after the construction is completed, the supporting piece 4 is removed, the upper net piece can be folded on the lower net piece, the space is reduced, portability is realized, and the net mounting device is convenient to store, stack, carry and transport.

As shown in fig. 1 to 4, the upper net sheet and the lower net sheet are connected through a hinge, and can rotate around a shaft, and the hinge is a fixed hinge or a detachable hinge; the supporting piece 4 adopts a hard metal rod structure; the upper anti-falling net 2 is a net structure and is formed by weaving metal ropes or nonmetal ropes, or is a plastic flat net or a metal flat net; the lower anti-falling net 3 is a net structure and is formed by cross braiding of metal ropes or durable nonmetallic ropes; preferably, the upper anti-falling net 2 is a plastic nylon rope woven net, and the lower anti-falling net 3 is a metal rope cross woven net;

as shown in fig. 1 to 4, the lower net sheet comprises a lower fall preventing net 3, a lower fixing plate 401 and a lower pressing plate 402, wherein the lower pressing plate 402 presses the lower fall preventing net 3 on one side of the lower fixing plate 401 away from the supporting member 4, and the lower end of the supporting member 4 is supported on the fixing plate; the upper net piece comprises an upper anti-falling net 2, an upper fixing plate 405 and an upper pressing plate 406, wherein the upper pressing plate 406 presses the lower anti-falling net 3 on one side, far away from the supporting piece 4, of the upper fixing plate 405, and the upper end of the supporting piece 4 is supported on the upper fixing plate 405.

In one embodiment, the upper end of the support 4 is detachably connected to the upper mesh, and the lower end of the support 4 is detachably connected to the lower mesh; correspondingly, the upper net sheet and the lower net sheet are provided with clamping grooves, and the upper end and the lower end of the supporting piece 4 are inserted into the clamping grooves, so that the inclined support of the upper net sheet can be realized.

In a preferred embodiment, as shown in fig. 1 to 4, the upper end of the supporting member 4 is rotatably connected to the upper mesh, the lower end of the supporting member 4 is detachably connected to the lower mesh, for example, a clamping groove can be used to limit the lower end of the supporting member 4 or a sliding seat with a locking mechanism can be arranged at the lower end of the supporting member 4, a sliding groove is arranged on the lower fixing plate 401, the position of the lower supporting member 4 is locked by the locking mechanism, and the position of the supporting member 4 is adjusted to a required angle;

the upper end of support piece 4 sets up the pivot, and the position that corresponds support piece 4 on the lower net piece is fixed with the mount pad, and the pivot is connected in the mount pad, and the upper end of support piece 4 can revolute the pivot and rotate.

In a preferred embodiment, as shown in fig. 1 to 4, a plurality of limiting grooves 410 are formed on the lower mesh, and the lower end of the supporting member 4 may be clamped in the limiting grooves 410; when the anti-falling net is installed, workers can flexibly adjust the arrangement angle of the anti-falling net according to the external space of the building, so that the construction safety is improved; as shown in fig. 1 to 4, limit grooves 410 are formed on the upper surface of the lower fixing plate 401, and 5 limit grooves 410 are provided, so that five-gear adjustment of the upper mesh angle can be performed; the supporting piece 4 is connected with the upper fixing plate 405 through a rotatable and immovable hinge, is embedded with a limit groove 410 arranged on the upper end face of the lower fixing plate 401, and is embedded into different limit grooves 410 to fix, so that an angle adjusting effect is achieved.

In one embodiment, the number of the supporting pieces 4 is one, the supporting pieces 4 are located at the center of the upper net sheet, and note that in order to obtain better supporting effect, the upper fixing plate 405 and the lower fixing plate 401 adopt a lying "sun" frame or a lying "I" shaped supporting piece structure, and the supporting pieces 4 are also connected at the long-side central line positions of the upper fixing plate 405 and the lower fixing plate 401;

in another embodiment, as shown in fig. 1 to 4, the number of the supporting members 4 is plural, and the supporting members 4 are disposed between the upper mesh sheet and the lower mesh sheet at intervals, so that the upper mesh sheet is relatively even by the supporting members 4 of the supporting members 4.

In a preferred embodiment, as shown in fig. 1 to 4, the number of the supporting members 4 is 2, and each supporting member 4 is respectively connected to the side of the upper mesh facing the lower mesh and near the broadside of the upper mesh.

In a preferred embodiment, as shown in fig. 1 to 4, the fixing part 1 comprises at least two U-shaped pipe buckles fixed at intervals on the lower side of the lower net sheet and a locking assembly matched with the U-shaped pipe buckles; the locking assembly comprises a third screw 5 and a third nut 6; when the U-shaped pipe buckle is used, the third screw 5 penetrates through the left and right locking lugs of the U-shaped pipe buckle and is fixed by the third nut 6, corresponding screw threads are formed on the inner wall of the U-shaped pipe buckle and the outer wall of the other end of the third screw 5, and the fixing screw can be sleeved into the left and right locking lugs of the U-shaped pipe buckle in a rotating mode; of course, the third nut 6 can also be rotated to disengage, so that the shaft can be assembled or disassembled, and the U-shaped pipe buckle and the scaffold can be assembled or disassembled.

When in use, the U-shaped pipe buckle is clamped on the scaffold transverse support 4, and after the third screw rod 5 penetrates through the free end of the U-shaped pipe buckle, the two ends of the second screw rod 407 are in threaded connection with the third nut 6; the third screw 5 may also be replaced by a bolt.

In one embodiment, the upper fall arrest net 2 and the lower fall arrest net 3 may be welded or bolted to the upper fixing plate 405 or the lower fixing plate 401, respectively, and the upper pressing plate 406 and the lower pressing plate 402 are used to press the edges of the fall arrest net, prevent the edges of the fall arrest net from being hung up during transportation and prevent sharp edges from cutting personnel.

In a preferred embodiment, the lower fall arrest net 3 is detachably disposed on the lower fixing plate 401, and the upper fall arrest net 2 is detachably disposed on the upper fixing plate 405; the upper fixing plate 405 and the lower fixing plate 401 are generally made of metal plates, the lower fixing plate 401 is provided with a notch groove, and the lower pressing plate 402 can be accommodated in the notch groove, so that the lower surfaces of the lower pressing plate 402 and the lower fixing plate 401 are flat overall, and the U-shaped pipe buckle is more attractive and cannot be influenced to be mounted on the transverse support piece 4 of the scaffold; threaded holes are formed in the upper fixing plate 405 and the lower fixing plate 401, and the upper pressing plate 406 or the lower pressing plate 402 can be fixed by penetrating fixing bolts into the threaded holes; the two broad sides of the upper anti-falling net 2 are clamped between the upper pressing plate 406 and the upper fixing plate 405, and the two broad sides of the lower anti-falling net 3 are clamped and fixed between the lower pressing plate 402 and the lower fixing plate 401; the lower fixing plate 401 and the upper fixing plate 405 are hinged into a whole, the supporting piece 4 and the upper fixing plate 405 are hinged into a whole, and the U-shaped pipe buckle and the lower fixing plate 401 are welded into a whole;

the installation and use process of the utility model is simple, the lower fixing plate 401 and the upper fixing plate 405 are hinged into a whole, the supporting piece 4 and the upper fixing plate 405 are hinged into a whole, the U-shaped pipe buckle and the lower fixing plate 401 are welded into a whole for installation, the U-shaped pipe buckle is fixed on a transverse steel pipe of the built scaffold by a third screw 5 and a third nut 6, the lower anti-falling net 3 is fixed on the lower fixing plate 401 by a lower pressing plate 402 by a first screw 403 and a first nut 404 by a bolt, the upper anti-falling net 2 is fixed on the upper fixing plate 405 by a second screw 407 and a second nut 408 by a bolt, then the upper fixing plate 405 is lifted and is matched with a limit groove 410 of the lower fixing plate 401 by the supporting piece 4, so that the anti-falling net is arranged outside the edge of the building structure, and the stress condition of the anti-falling net is greatly improved by a triangular structure;

the utility model has the advantages that when the lower fixing plate 401 and the upper fixing plate 405 are unfolded during the installation construction, constructors can install and arrange the lower net sheet in advance according to the outdoor space condition of the building in the scaffold installation process, and then arrange the upper net sheet on the upper fixing plate 405 with the angle adjusted after the completion. The workers flexibly arrange the anti-falling net in the whole construction process, so that the construction safety risk is reduced; in addition, the U-shaped pipe buckle of the fixing rod is connected with the scaffold through the bolt, so that the U-shaped pipe buckle has a firm connecting structure, the binding and fixing mode and the installation on the traditional anti-falling net structure are limited by external space, and the fixing firmness degree is obviously lower than that of the anti-falling net structure; after the construction is finished, the second screw rod 407 is pulled out by unscrewing the second nut 408, the upper pressing plate 406 is disassembled, and the upper anti-falling net 2 is disassembled; by unscrewing the first nut 404, extracting the first screw 403, removing the pressing plate 402, and removing the lower anti-falling net 3; then the supporting piece 4 is folded inwards, the upper fixing plate 405 is rotated and attached to the lower fixing plate 401, the third nut 6 is screwed out, the third screw rod 5 is pulled out to unlock the U-shaped pipe buckle, so that the lower fixing plate 401 is separated from the scaffold, and the device is detached from the scaffold; the disassembled parts are classified and collected.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While the obvious variations or modifications which are extended therefrom remain within the scope of the claims of this patent application.

Claims

1. The utility model provides a collapsible portable dismouting's of construction safety net device, its characterized in that includes net piece, lower net piece, is used for installing fixed part (1) and support piece (4) on the scaffold frame, fixed part (1) are installed the downside of lower net piece, it articulates to go up the net piece one side edge of net piece down, support piece (4) can inclined support go up the net piece in on the net piece down, make net piece, net piece and support piece (4) form the triangle support down.

2. The safety net device for folding and portable disassembly for building construction according to claim 1, wherein the upper end of the supporting member (4) is detachably connected to the upper net sheet, and the lower end of the supporting member (4) is detachably connected to the lower net sheet.

3. The safety net device for folding and portable disassembly for building construction according to claim 1, wherein the upper end of the supporting member (4) is rotatably connected to the upper net sheet, and the lower end of the supporting member (4) is detachably connected to the lower net sheet.

4. A safety net device for folding and portable disassembly for building construction according to claim 3, wherein a plurality of limit grooves (410) are arranged on the lower net sheet, and the lower ends of the supporting pieces (4) can be clamped in the limit grooves (410).

5. The safety net device for building construction, which is foldable and portable and detachable, according to claim 1, characterized in that the number of the supporting pieces (4) is one or more; when the number of the supporting pieces (4) is one, the supporting pieces (4) are positioned at the center of the upper net sheet; when the number of the supporting pieces (4) is a plurality of, the supporting pieces (4) are arranged between the upper net sheet and the lower net sheet at intervals.

6. The safety net device for folding and portable disassembly for building construction according to claim 1, wherein the number of the supporting pieces (4) is 2, and each supporting piece (4) is respectively connected to one side of the upper net sheet facing the lower net sheet and is close to the broadside side of the upper net sheet.

7. The safety net device for folding and portable disassembly for building construction according to claim 1, wherein the fixing part (1) comprises a U-shaped pipe buckle fixed on the lower side of the lower net piece at intervals and a locking assembly matched with the U-shaped pipe buckle.

8. The safety net device for folding, portable and detachable construction according to claim 1, wherein the upper net sheet and the lower net sheet are connected through a hinge, and the hinge is a fixed hinge or a detachable hinge.

9. The safety net device for folding and portable disassembly for building construction according to claim 1, wherein the lower net sheet comprises a lower anti-falling net (3), a lower fixing plate (401) and a lower pressing plate (402), the lower pressing plate (402) presses the lower anti-falling net (3) on one side of the lower fixing plate (401) far away from the supporting piece (4), and the lower end of the supporting piece (4) is supported on the fixing plate; the upper net piece comprises an upper anti-falling net (2), an upper fixing plate (405) and an upper pressing plate (406), wherein the upper pressing plate (406) is used for pressing the lower anti-falling net (3) on one side, far away from the supporting piece (4), of the upper fixing plate (405), and the upper end of the supporting piece (4) is supported on the upper fixing plate (405).

10. The safety net device for folding, portable and detachable construction according to claim 9, wherein the upper anti-falling net (2) is of a net structure, is formed by weaving metal ropes or nonmetal ropes, or is a plastic flat net or a metal flat net; the lower anti-falling net (3) is of a net structure and is formed by cross braiding of metal ropes or durable nonmetallic ropes; the lower anti-falling net (3) is detachably arranged on the lower fixing plate (401), and the upper anti-falling net (2) is detachably arranged on the upper fixing plate (405).