CN224002306U - Safety protection devices for working at height - Google Patents

Abstract

This utility model provides a safety protection device for working at heights. The device includes a work frame, a hanging bracket and a railing mounted on top of the work frame, a movable railing, an adjusting component, and a fixing component. The movable railing is connected to the railing via a vertical sliding mechanism. The fixing component and the adjusting component are respectively located inside the railing and the movable railing. The control end of the adjusting component extends outside the railing, and its actuating end is connected to the movable railing. The control end of the fixing component also extends outside the railing, and its actuating end is connected to the adjusting component. This utility model solves the shortcomings of existing safety protection devices for working at heights due to insufficient safety.

Description

Safety protection device for high-altitude operation

Technical Field

The utility model relates to the technical field of aerial work protection equipment, in particular to an aerial work safety protection device.

Background

The high-altitude operation frame is equipment for operation at high places, is used in the fields of building, power, communication, cleaning, installation, maintenance and the like, and can lift people, construction materials and tools to a certain height through an operation mechanical platform to perform various construction operations.

When the existing high-altitude protection device is used, the protection device is lifted by a lifting mechanism and moved to a position where operation is needed, and then workers on the protection device process a processing area. The existing high-altitude protection device is generally a working platform, and workers are protected by arranging fences around the working platform. Under the condition that the fence is a fixed fence, the fence is suitable for different physique personnel for use for the convenience of work, and the fence has high limit, so that the safety effect of partial people in use is reduced. The prior art provides a height adjustable solution for the enclosure, such as the utility model entitled "height adjustable enclosure for overhead vehicles" with application number "202020804467.2. However, in the existing adjustable fence scheme, the defects that the strength of an adjusting mechanism is insufficient or the adjusting structure is easy to damage and the like are commonly existed.

Disclosure of utility model

In order to solve the defect of insufficient safety of the existing high-altitude safety protection device, the utility model provides the high-altitude operation safety protection device for solving the problems.

The utility model provides an aerial working safety device, includes the work frame, and locates gallows and rail at work frame top still include movable rail, adjusting part and fixed subassembly, movable rail with the rail links up through vertical sliding mechanism, the rail with be equipped with respectively in the movable rail fixed subassembly with adjusting part, adjusting part's control end extends to outside the rail, the action end with movable rail is connected, fixed part's control end extends to outside the rail, the action end with adjusting part connects.

In a preferred embodiment of the safety protection device for high-altitude operation provided by the utility model, the movable fences are arranged on the outer sides of the fences in a fitting mode, two sides of each movable fence are respectively connected with the fences through vertical sliding mechanisms, and the fixing assemblies and the adjusting assemblies are respectively arranged in the middle positions of the fences and the movable fences.

In a preferred embodiment of the safety device for aloft work provided by the utility model, the fence and the movable fence are provided with movable doors at the same position.

In a preferred embodiment of the aerial work safety device provided by the utility model, the adjusting assembly comprises a rotating rod, an adjusting gear and tooth blocks, an inner cavity is arranged in the movable fence, a group of tooth blocks are vertically arranged in the inner cavity and serve as action ends, the rotating rod serves as a control end, penetrates into the inner cavity of the movable fence from the outside of the fence, is fixedly connected with the adjusting gear, and is meshed with the tooth blocks.

The adjusting component further comprises a fixed gear, an inner cavity is formed in the fence, and the rotating rod penetrates into the inner cavity of the fence at the same time and is fixedly connected with the fixed gear. The rail is provided with a handle outside and is connected with the rotating rod.

In a preferred embodiment of the safety device for high-altitude operation provided by the utility model, the fixed assembly comprises connecting rods and movable blocks, a plurality of connecting rods are transversely arranged in the inner cavity of the fence, a pair of movable blocks are slidably arranged on all the connecting rods, and a toothed plate is arranged on the surface, close to the movable blocks, of each movable block and meshed with the fixed gear.

The fixed assembly further comprises a movable plate, a movable block and a screw rod, wherein the screw rod is vertically arranged in the inner cavity of the fence and is in threaded connection with the movable block, and a pair of movable blocks are hinged with the movable block through one movable plate respectively. The inner cavity of the fence is narrowed at the screw rod and is in sliding abutting connection with the moving block.

The fence is provided with a hole at the position below the screw rod, the lower end of the screw rod penetrates out of the fence and into the hole, and the lower end of the screw rod is provided with a sheath.

Compared with the prior art, the high-altitude operation safety protection device provided by the utility model has the following beneficial effects:

1. The movable fence is provided with the fixed fence and the movable fence with adjustable height, and the height of the movable fence is adjusted by the adjusting component, so that the movable fence is suitable for safety protection of workers with different body types, and the protection effect is improved.

2. The scheme of the utility model is provided with a fixed component for locking or releasing the adjusting component so that the height of the movable fence can be adjusted or the movable fence can be locked at the current height. And the locking direction is vertical to the stress direction of the movable fence, so that the stress intensity is good. In addition, in the scheme of the utility model, the adjusting component and the fixing component are respectively arranged in the movable fence and the fence, so that each movable part is prevented from being damaged by collision, and the long-term stable use of the adjusting function is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of an overhead safety device;

figure 2 is a cross-sectional view of the overhead working safety shield apparatus in a work frame position;

FIG. 3 is a cross-sectional view of the overhead working safety shield apparatus in the fence position;

FIG. 4 is a cross-sectional view of the overhead safety shield apparatus in the movable rail position;

Fig. 5 is a partial enlarged view at a in fig. 4.

In the figure, the working frame 11, the hanging frame 12, the rail 13, the movable rail 14, the adjusting component 2, the rotating rod 21, the adjusting gear 22, the tooth block 23, the handle 24, the fixed gear 25, the fixed component 3, the connecting rod 31, the movable block 32, the toothed plate 33, the screw rod 34, the movable block 35, the movable plate 36, the movable door 41 and the door lock 42 are marked.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

Referring to fig. 1 to 5, there are respectively an overall schematic structural diagram of the safety device for aloft work provided by the present utility model, sectional views at a working frame position, a fence position, and a movable fence position in sequence, and a partially enlarged view for showing a fixed assembly.

The safety protection device for the high-altitude operation comprises a working frame 11, a hanging frame 12, a fence 13, a movable fence 14, an adjusting component 2, a fixed component 3, a movable door 41 and a door lock 42.

The working frame 11 is a rectangular platform, upright posts are arranged at four corners, one upright post is fixedly arranged at the position close to the inner side between the adjacent upright posts, four rails 13 are respectively arranged at the position close to the outer side between the adjacent upright posts, and one movable rail 14 is respectively and movably arranged at the position close to the outer side between the adjacent upright posts. Specifically, a chute is arranged at the position of the outer side of the upright post and is connected with the left side and the right side of each movable fence 14, so that the movable fences 14 can slide up and down under the limitation of the chute.

The hanger 12 is installed at the outermost side of the working frame 11 and spans the middle area of the working frame 11, and the structure of the hanger is consistent with that of the existing similar products, and will not be repeated.

A shorter rail 13 and a movable rail 14 on the right side (the same below in view of fig. 1) are provided with a movable door 41 at the same position. One side of the two movable doors 41 is hinged with the rail 13 and the movable rail 14, respectively, and the other side is connected with the rail 13 and the movable rail 14 through the door lock 42, respectively. The two movable doors 41 are opened in opposite directions inward and outward, respectively.

The fence 13 and the movable fence 14 are triangular hollow structures and are matched with each other to form a crossed hollow structure. The rail 13 and the movable rail 14 are provided with a widened vertical member in the middle for setting the adjusting assembly 2 and the fixing assembly 3, respectively.

In the widened members of the rail 13, near the top, there is provided an inner cavity with a wide upper part and a narrow lower part, denoted as a rail inner cavity, below which there is provided a square through hole penetrating the rail 13. In the widened members of the movable rail 14, vertically extending cavities are provided, denoted movable cavities.

The adjusting assembly 2 comprises a rotating rod 21, an adjusting gear 22, a tooth block 23, a handle 24 and a fixed gear 25. The tooth block 23 is vertically arranged along the movable inner cavity, and the adjusting gear 22 is arranged in the movable inner cavity and meshed with the tooth block 23. The fixed gear 25 is arranged at a wider position in the inner cavity of the fence, and the rotating rod 21 simultaneously penetrates into the inner cavity of the fence and the movable inner cavity and is simultaneously connected with the fixed gear 25 and the adjusting gear 22. The inner surface of the fence 13 is provided with a handle 24 connected with the rotating rod 21.

Under the above structure, by manually rotating the handle 24, the rotating rod 21, the adjusting gear 22 and the fixed gear 25 are driven to synchronously rotate, and the adjusting gear 22 rotates to immediately push the tooth block 23 to move up and down, namely, push the movable fence 14 to move up and down integrally.

The fixed assembly 3 comprises a connecting rod 31, a movable block 32, a toothed plate 33, a screw 34, a movable block 35 and a movable plate 36. The two connecting rods 31 are transversely arranged at a wider position in the inner cavity of the fence and are respectively positioned above and below the fixed gear 25. The movable block 32 is vertically arranged and simultaneously slidingly engaged with the two connecting rods 31. The two movable blocks 32 are respectively arranged at two sides of the fixed gear 25, and are respectively provided with a toothed plate 33 at one surface close to the two movable blocks for being meshed with the fixed gear 25.

With the above structure, the toothed plate 33 is engaged with the fixed gear 25 by controlling the movable block 32 to move toward each other, thereby locking the adjusting assembly 2 as a whole. Conversely, the toothed plate 33 is not engaged, and the adjusting assembly 2 can normally push the movable rail 14 to move up and down as a whole.

The lead screw 34 is vertically arranged at a narrower position in the inner cavity of the fence, the upper end of the lead screw is connected with the inner cavity of the fence through a bearing, the middle thread is connected with the moving block 35, the middle and lower positions of the lead screw are connected with the inner cavity of the fence through the bearing, and the lower end of the lead screw penetrates through the square through hole and is provided with a sheath. The moving block 35 is abutted against the inner wall of the inner cavity of the fence, and the two moving blocks 32 are respectively hinged with the moving block 35 through a moving plate 36.

Under the above structure, the moving block 35 can be driven to lift by manually rotating the lower end of the screw rod 34 in the square through hole, and then the moving block 35 is driven to open or close by the movable plate 36, so that the toothed plate 33 is loosened or meshed with the fixed gear 25.

In use, a worker enters and exits through the movable door 41. The lifting device is lifted by a hanger 12. When the height of the movable fence 14 needs to be adjusted, the lower end of the screw rod 34 is manually rotated in the square through hole to enable the toothed plate 33 to be loosened from the fixed gear 25, the handle 24 is manually rotated to push the movable fence 14 to move to a proper height, and finally the lower end of the screw rod 34 is rotated to enable the toothed plate 33 to be locked with the fixed gear 25 to fix the position of the movable fence 14.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (10)

1. The high-altitude operation safety protection device comprises a working frame, a hanging bracket and a rail, wherein the hanging bracket and the rail are arranged at the top of the working frame, and the high-altitude operation safety protection device is characterized by further comprising a movable rail, an adjusting component and a fixing component, wherein the movable rail is connected with the rail through a vertical sliding mechanism, the fixing component and the adjusting component are respectively arranged in the rail and the movable rail, a control end of the adjusting component extends out of the rail, an action end of the adjusting component is connected with the movable rail, a control end of the fixing component extends out of the rail, and an action end of the adjusting component is connected with the adjusting component.

2. The aerial work safety device according to claim 1, wherein the movable fences are attached to the outer sides of the fences, two sides of each movable fence are respectively connected with the fences through vertical sliding mechanisms, and the fixing assemblies and the adjusting assemblies are respectively arranged inside the fences and the movable fences in the middle positions.

3. The aerial work safety device of claim 2 wherein the rail and the movable rail are provided with a movable door at the same location.

4. The aerial work safety device according to any one of claims 1 to 3, wherein the adjusting assembly comprises a rotating rod, an adjusting gear and tooth blocks, an inner cavity is formed in the movable fence, a group of tooth blocks are vertically arranged in the inner cavity and serve as action ends, the rotating rod serves as a control end, penetrates into the inner cavity of the movable fence from the outside of the fence and is fixedly connected with the adjusting gear, and the adjusting gear is meshed with the tooth blocks.

5. The aerial work safety device according to claim 4, wherein the adjusting assembly further comprises a fixed gear, an inner cavity is formed in the fence, and the rotating rod penetrates into the inner cavity of the fence at the same time and is fixedly connected with the fixed gear.

6. The aerial work safety device according to claim 5, wherein a handle is provided outside the rail and connected to the rotating rod.

7. The aerial work safety device according to claim 5 or 6, wherein the fixed assembly comprises a plurality of connecting rods and movable blocks, the connecting rods are transversely arranged in the inner cavity of the fence, a pair of the movable blocks are slidably arranged on all the connecting rods, and a toothed plate is arranged on the surface, close to the movable blocks, of each movable block and meshed with the fixed gears.

8. The aerial work safety device according to claim 7, wherein the fixing assembly further comprises a movable plate, a movable block and a screw rod, the screw rod is vertically arranged in the inner cavity of the fence and is in threaded connection with the movable block, and a pair of movable blocks are hinged with the movable block through one movable plate respectively.

9. The aerial work safety device of claim 8 wherein an interior cavity of the rail narrows at the lead screw in sliding abutment with the motion block.

10. The aerial work safety device according to claim 9, wherein the fence is provided with a hole at a position below the screw rod, the lower end of the screw rod penetrates out of the fence into the hole, and the lower end of the screw rod is provided with a sheath.