CN220267168U - Aloft work anti-falling device - Google Patents

Abstract

The utility model belongs to the technical field of anti-falling, in particular to an anti-falling device for overhead operation, which comprises a lifting frame, wherein an operation platform is arranged at the top end of the lifting frame, a lifting net is arranged on an outer frame around the operation platform, and the lifting net comprises: the hydraulic support device comprises a support column, a hydraulic support rod, an anti-falling net and a bottom frame, wherein the anti-falling net is arranged in the middle of the bottom frame, one end of the bottom frame is rotatably arranged at the bottom end of the support column, the hydraulic support rod is obliquely arranged between the bottom frame and the support column, a plurality of identical protective nets are vertically arranged on the inner side of an operation platform, the protective nets are cylindrical, a top cover is arranged on the top end of each protective net, a winding roller and a shell are arranged in the middle of each protective net, a screen cloth is connected with the winding roller, a connecting strip is arranged on the top end of the screen cloth, a torsion spring is arranged in an inner cavity of the top cover, the other end of the torsion spring is connected with the winding roller, and a clamping strip is fixedly connected to the side wall of the lower end of the switch.

Description

Aloft work anti-falling device

Technical Field

The utility model relates to the technical field of anti-falling devices, in particular to an anti-falling device for overhead operation.

Background

The scaffold is a variety of supports which are erected for facilitating construction of constructors on a construction site, is generally applied to an outer wall, an interior decoration or a place with higher floor height on the construction site and cannot be directly constructed, and is mainly used for constructors to operate up and down, and because of the need of high-altitude operation, the lifting mode of the scaffold is generally powered.

But current guardrail bar height is less than the waist below, and such highly can't guarantee constructor's safety, but too high fixed protection hinders the construction, and when crossing the rail guard, falls to ground easily and cause the injury that falls, when not using, the dismouting is loaded down with trivial details, and for this reason, we have proposed an overhead working anti-falling device.

Disclosure of Invention

The utility model aims to provide an overhead operation anti-falling device, which aims to solve the problems of construction obstruction caused by overhigh fixation protection, falling to the ground, falling injury caused by falling and complicated disassembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aerial work anti-falling device, includes the crane, operating platform is installed on the top of crane, install the lift net on operating platform's the frame all around, the lift net includes: the hydraulic support device comprises a support column, a hydraulic support rod, an anti-falling net and a bottom frame, wherein the anti-falling net is arranged in the middle of the bottom frame, one end of the bottom frame is rotatably arranged at the bottom end of the support column, the hydraulic support rod is obliquely arranged between the bottom frame and the support column, a plurality of same protective nets are vertically arranged on the inner side of an operation platform, the protective nets are cylindrical, a top cover is arranged on the top end of each protective net, a winding roller and a shell are arranged in the middle of each protective net, a net cloth is connected with the winding roller, connecting strips are arranged on the top end of each net cloth, a torsion spring is arranged in an inner cavity of the top cover, the other end of each torsion spring is connected with the winding roller, a switch is arranged in the center of the top cover, the switch penetrates through the top cover, clamping strips are fixedly connected to the side wall of the lower end of the switch, spline shafts are fixedly connected to the middle parts of the bottom ends of the switch, spline holes which are slidably connected with the spline shafts are formed in the upper ends of the winding rollers, springs are supported between the upper ends of the winding rollers and the lower ends of the switch, and the top cover are provided with clamping columns which are arranged on the two sides of the torsion springs.

Preferably, the shell is provided with a clamping groove, and the clamping groove is connected with the connecting strip.

Preferably, the mesh cloth has a dust-proof layer.

Preferably, the lifting net can be folded and stored, and the bottom frame is equal in length with the support column.

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

the device is through using the protection network that can connect alone for constructor can open a certain piece alone and operate, and the rest still plays the effect of protection, has reduced the risk of falling greatly, simple structure, convenient to use.

The device plays a role in accidental falling protection through the lifting net arranged on the outer frame of the operation platform, and safety is improved.

The device has realized accomodating the convenience, convenient connection through using draw-in groove, connecting strip, torsional spring and around the roller.

Drawings

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

FIG. 2 is a schematic view of the position of the lifting network according to the present utility model;

FIG. 3 is a schematic view of the structure of the lifting net of the present utility model;

FIG. 4 is a schematic diagram of the structure of the protection net of the present utility model;

fig. 5 is a schematic view of the structure of the top cover of the present utility model.

In the figure: 1. a lifting frame; 2. an operating platform; 3. lifting the net; 4. a protective net; 5. a support post; 6. a bottom frame; 7. a hydraulic strut; 8. an anti-falling net; 9. a top cover; 10. a housing; 11. a clamping groove; 12. winding a roller; 13. a mesh cloth; 14. a connecting strip; 15. a switch; 16. a torsion spring; 17. a clamping column; 18. clamping strips; 19. a spring; 20. and (3) a spline shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an aerial work anti-falling device, includes crane 1, operating platform 2 is installed on the top of crane 1, install lift net 3 on operating platform 2's the frame all around, lift net 3 can fold the shrink, puts down when the use, forms a protection platform, lift net 3 includes: the support column 5, the hydraulic support rod 7, the anti-falling net 8 and the bottom frame 6, wherein the anti-falling net 8 is arranged in the middle of the bottom frame 6, when a constructor carelessly falls down, the anti-falling net 8 can be held, one end of the bottom frame 6 is rotatably arranged at the bottom end of the support column 5, the hydraulic support rod 7 is obliquely arranged between the bottom frame 6 and the support column 5, when the anti-falling net is not used, the hydraulic support rod 7 pulls the bottom frame 6 upwards, the bottom frame 6 and the support column 5 form a parallel shape, the anti-falling net is convenient to store and does not occupy space, a plurality of identical protective nets 4 are vertically arranged at the inner side of the operation platform 2, the protective net 4 is cylindrical, a protective wall is formed by the plurality of protective nets 4, the constructor does not need to fall out of the guardrail even if the constructor carelessly falls down on the operation platform 2, the top end of the protective net 4 is provided with the top cover 9, the middle part of the protective net 4 is provided with the winding roller 12 and the shell 10, the winding roller 12 is connected with the mesh 13, the connecting strip 14 is arranged at the top end of the mesh 13, the torsion spring 16 is arranged in the inner cavity of the top cover 9, the torsion spring 16 can pull the mesh 13 back into the shell 10, the storage is convenient, the other end of the torsion spring 16 is connected with the winding roller 12, the switch 15 is arranged in the center of the top cover 9, the switch 15 can fix the length of the mesh 13 drawn out from the shell 10, the switch 15 penetrates through the top cover 9, the clamping strip 18 is fixedly connected on the side wall of the lower end of the switch 15, the spline shaft 20 is fixedly connected in the middle of the bottom end of the switch 15, the spline hole which is in sliding connection with the spline shaft 20 is arranged at the upper end of the winding roller 12, the spring 19 is supported between the upper end of the winding roller 12 and the lower end of the switch 15, the spring 19 drives the clamping strip 18 to be buckled with the clamping column 17 to form locking, the clamping columns 17 are arranged on the two sides of the inner cavity of the top cover 9, when the operation of the piece is needed, the protective net 4 of the piece can be independently released, other parts such as the back of an operator still have the protective net 4 for protection, and the lifting net 3 for protection is arranged below the protective net 4, so that the safety and the reliability are higher.

The clamping groove 11 is formed in the shell 10, the clamping groove 11 is connected with the connecting strip 14, the supporting columns 5 are made of alloy, the clamping groove is durable, clamping phenomenon is avoided due to deformation, the connecting strip 14 and the clamping groove 11 are connected with each other, the clamping groove is convenient to assemble, a piece of clamping groove can be independently opened at a position required to operate, safety protection is more comprehensive, the mesh cloth 13 is provided with a dust-proof layer, dust is large in construction, the dust-proof layer is reduced, a large amount of dust falls, the mesh cloth 13 is tough and can prevent people from falling, the lifting net 3 can be folded and stored, the bottom frame 6 is equal to the supporting columns 5, the hydraulic supporting rods 7 pull the bottom frame 6 upwards when the lifting net is not used, the bottom frame 6 and the supporting columns 5 form a parallel shape, and the lifting net is convenient to store and does not occupy space positions.

Working principle: first, lifting nets 3 around the operation platform 2 are lifted, and the lifting nets 3 include: the support column 5, the hydraulic stay bar 7, the anti-falling net 8 and the bottom frame 6 are put down when in use to form a protection platform, the bottom frame 6 is equal to the support column 5 in length, when not in use, the hydraulic stay bar 7 pulls up the bottom frame 6 upwards, the bottom frame 6 and the support column 5 form a parallel shape, the space is convenient to store, a plurality of identical protection nets 4 are vertically installed on the inner side of the operation platform 2, the protection nets 4 are cylindrical, the clamping grooves 11 are formed in the shell 10 of the protection nets 4, the winding rollers 12 are arranged in the shell 10, the net cloth 13 is connected to the winding rollers 12, the connecting strips 14 are installed on the top ends of the net cloth 13, the clamping grooves 11 are connected with the connecting strips 14, the connecting strips 14 are connected with the clamping grooves 11 to receive connection between each net cloth, so that the assembly is convenient, and a piece can be independently opened at the position where the operation is needed, the top cover 9 is installed on the top end of the shell 10, the top cover 9 is internally provided with the torsion springs 16, and the torsion springs 16 are controlled to be stretched and shortened by pressing the switch 15.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

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 (4)

1. The utility model provides an aerial work anti-falling device, includes crane (1), its characterized in that: an operation platform (2) is installed on the top of the lifting frame (1), a lifting net (3) is installed on the outer frame around the operation platform (2), and the lifting net (3) comprises: the anti-falling device comprises a support column (5), a hydraulic support rod (7), an anti-falling net (8) and a bottom frame (6), wherein the anti-falling net (8) is arranged in the middle of the bottom frame (6), one end of the bottom frame (6) is rotatably arranged at the bottom end of the support column (5), the hydraulic support rod (7) is obliquely arranged between the bottom frame (6) and the support column (5), a plurality of identical protective nets (4) are vertically arranged on the inner side of an operation platform (2), the protective nets (4) are cylindrical, a top cover (9) is arranged on the top end of each protective net (4), a winding roller (12) and a shell (10) are arranged in the middle of each protective net (4), the utility model discloses a winding roller (12) is connected with mesh cloth (13), connecting strip (14) is installed on the top of mesh cloth (13), torsional spring (16) is installed to top cap (9) inner chamber, the other end of torsional spring (16) is connected with winding roller (12), switch (15) is installed at the center of top cap (9), switch (15) run through top cap (9), fixed connection card strip (18) on the lower extreme lateral wall of switch (15), spline shaft (20) is fixedly connected with in the middle part of the bottom of switch (15), spline hole with spline shaft (20) sliding connection is seted up to the upper end of winding roller (12), a spring (19) is supported between the upper end of the winding roller (12) and the lower end of the switch (15), and clamping columns (17) are arranged at two sides of the inner cavity of the top cover (9) and positioned at two sides of the torsion spring (16).

2. The aerial work safety device of claim 1, wherein: the shell (10) is provided with a clamping groove (11), and the clamping groove (11) is connected with the connecting strip (14).

3. The aerial work safety device of claim 1, wherein: the mesh cloth (13) is provided with a dust-proof layer.

4. The aerial work safety device of claim 1, wherein: the lifting net (3) can be folded and stored, and the bottom frame (6) and the support posts (5) are equal in length.