CN116856743A - Portable elevator shaft hard protection device - Google Patents

Abstract

The invention discloses a convenient hard protection device for an elevator shaft. By arranging a support structure, its leg part is in contact with the inner wall surface of the elevator shaft door opening, and the extension part is arranged outside the elevator shaft door opening. The hard protection main body passes through the hard protection keel. To prevent bending, the area inside the elevator shaft door is covered by a hard protective panel. The main body of the hard protection is supported by the outrigger part and is stressed through the inner wall of the elevator shaft door opening. The extension part prevents the outrigger part from falling into the elevator shaft. , which solves the problem that hard protection must rely on the support of the frame or embedded parts. There is no need to build an internal frame or embed components on the side wall of the elevator shaft. It can be used and hoisted at any time. It is easy to install and disassemble, and has a fast turnover speed, which not only saves materials but also saves money. artificial.

Description

A convenient hard protection device for elevator shafts

Technical field

The invention relates to the technical field of building construction, and in particular to a portable elevator shaft hard protection device.

Background technique

As the floors continue to increase, although the efficiency of space utilization can be improved, walking up and down the stairs manually is inconvenient in terms of time and physical strength. The use of elevators can solve the above problems well. As the building As the height of floors increases, the scope of use of elevators becomes wider and wider.

When the elevator door is not installed, there is a great safety hazard. Both construction workers and material waste can easily fall into the shaft, which may cause casualties. Therefore, during the safety gap period before the elevator door is installed, measures need to be taken to effectively intercept falling objects from high altitudes.

From this background, elevator shaft protection came into being, and elevator shaft hard protection is one of the common protective measures. Most of the hard protection forms currently used in projects are composed of wooden squares, formwork and frames. The wooden squares are the main keel, and the formwork is the panel. Finally, it is fixed on the frame in the elevator shaft. When the construction enters the elevator construction stage, the inner frame of the elevator shaft needs to be dismantled and the steel pipes and fasteners must be transported out of the elevator shaft before the elevator can be constructed, which delays the construction period and is labor-intensive and time-consuming.

Contents of the invention

The purpose of the present invention is to provide a convenient hard protection device for an elevator shaft, which effectively solves the disadvantage of requiring the erection of a frame for hard protection, which is labor-intensive and time-consuming.

In order to solve the above technical problems, embodiments of the present invention provide a convenient hard protection device for an elevator shaft, which includes a support structure and a hard protection body that forms a predetermined angle with the horizontal plane. The hard protection body includes a hard protection keel and a hard protection keel. The hard protective panel of the hard protective keel, at least one hook provided on the front of the hard protective panel, and the buffer component provided on the outer periphery of the hard protective panel, the support structure includes a leg portion and an extension portion, and the support structure The leg part is used to contact the inner wall of the elevator shaft door opening and carry the hard protection body. The extension part is connected to the leg part and is used to be arranged outside the elevator shaft door opening to support the hard protection body laterally. And prevent the hard protective body from moving laterally.

Wherein, the angle between the hard protective body and the horizontal plane is greater than or equal to 30 degrees.

Wherein, the hard protective keel is a square steel pipe hard protective keel or a circular steel pipe hard protective keel arranged in both directions.

Wherein, the hard protective keel is a square steel pipe hard protective keel. The wall thickness of the square steel pipe hard protective keel is 2mm-2.5mm, the length of the cross section is 30mm-35mm, and the width is 20mm-25mm.

Wherein, the hard protective panel is a cold-rolled protective plate or an alloy protective plate, and the thickness of the hard protective panel is 2mm-2.5mm.

Wherein, the leg part is divided into a square steel tube leg part or an I-shaped leg part. The extension part includes a vertical steel plate and a horizontal square steel pipe. The vertical steel plate and the horizontal Square steel pipes are welded or bolted.

Wherein, the buffer component is a synthetic rubber buffer component, a polyethylene foam buffer component or a polyurethane foam buffer component.

Wherein, the buffer component and the hard protective panel are connected through mushroom nails, and the overlapping width of the buffer component and the hard protective panel is 50mm-60mm, which is away from the hard protective panel and exceeds the width of the hard protective panel. For 50mm-60mm.

Wherein, the circular surface diameter of the mushroom nail is 25mm-30mm.

Wherein, the hook is an Ω-shaped hook formed of hot-rolled smooth round steel bars or an alloy hook.

Compared with the existing technology, the convenient elevator shaft hard protection device provided by the embodiment of the present invention has the following advantages:

The convenient elevator shaft hard protection device provided by the embodiment of the present invention is provided with a support structure so that its leg part is in contact with the inner wall of the elevator shaft door opening, and the extension part is arranged outside the elevator shaft door opening. The hard protection main body passes through the hard protection keel. To prevent bending, the area inside the elevator shaft door is covered by a hard protective panel. The main body of the hard protection is supported by the leg part and is stressed through the inner wall of the elevator shaft door opening. The extension part prevents the leg part from falling into the elevator shaft. , which solves the problem that hard protection must rely on the support of the frame or embedded parts. There is no need to build an internal frame or embed components on the side wall of the elevator shaft. It can be used and hoisted at any time. It is easy to install and disassemble, and has a fast turnover speed, which not only saves materials but also saves money. artificial.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are: For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts.

Figure 1 is a schematic side view structural diagram of an embodiment of the portable elevator shaft hard protection device provided by the present invention;

Figure 2 is a schematic structural diagram of a top view of one embodiment of the portable elevator shaft hard protection device provided by the present invention;

Figure 3 is a schematic structural diagram of the support structure in one embodiment of the portable elevator shaft hard protection device provided by the present invention;

Among them, 10-support structure, 20-hard protective body, 21-hard protective keel, 22-hard protective panel, 30-buffer parts, 40-hook, 11-leg part, 12-extension part.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-3. Figure 1 is a schematic side view structural diagram of an embodiment of a portable hard protective device for an elevator shaft provided by the present invention; Figure 2 is a top view of an embodiment of a portable hard protective device for an elevator shaft provided by the present invention. Structural schematic diagram; Figure 3 is a schematic structural diagram of the support structure in one embodiment of the portable elevator shaft hard protection device provided by the present invention.

In a specific implementation, the portable elevator shaft hard protection device includes a support structure 10 and a hard protection body 20 that forms a predetermined angle with the horizontal plane. The hard protection body 20 includes a hard protection keel 21, a The hard protective panel 22 of the hard protective keel 21 and at least one hook 40 provided on the front of the hard protective panel 22 and the buffer component 30 provided on the outer periphery of the hard protective panel 22, the support structure 10 includes a leg portion 11 and an extension part 12. The leg part 11 is used to contact the inner wall of the elevator shaft door opening and carry the hard protection body 20. The extension part 12 is connected to the leg part 11 and is used to be placed on Outside the elevator shaft door opening, the hard protection body 20 is laterally supported and prevented from moving laterally.

By arranging the support structure 10, its leg part 11 is in contact with the inner wall of the elevator shaft door opening, and the extension part 12 is set outside the elevator shaft door opening. The hard protection body 20 is prevented from bending through the hard protection keel 21. Through the hard protection The panel 22 covers the area inside the elevator shaft door opening. The hard protection body 20 is supported by the leg part 11 and is stressed through the inner wall of the elevator shaft door opening. The extension part 12 prevents the leg part 11 from falling into the elevator shaft, solving the problem of hard protection. The protection must rely on the support of the frame or embedded parts. There is no need to build an internal frame or embed components on the side wall of the elevator shaft. It can be used and lifted at any time. It is easy to install and disassemble, and has a fast turnover speed, which saves both materials and labor.

If the inclination angle of the hard protection is too small, and the support structure 10 is not made firmly, it may cause the hard protection to shift downward, or even cause the hard protection to fall.

Therefore, in order to ensure the reliability of the hard protection, generally the angle between the hard protection body 20 and the horizontal plane is greater than or equal to 30 degrees.

That is to say, ensure that the erection angle (the angle between the hard protection and the extension line from the floor to the elevator shaft) is greater than or equal to 30 degrees.

In this application, the keel is used to support the entire hard protective panel 22. There is no limit to its material, size and arrangement. In order to increase the load capacity, the hard protective keel 21 is a square steel pipe hard protective keel 21 or a round steel pipe arranged in both directions. shaped steel pipe hard protective keel 21, or other materials and shapes of hard protective keel 21.

This application does not limit the material and shape of the hard protective keel 21. In order to ensure the strength of the structure, the hard protective keel 21 is a square steel pipe hard protective keel 21. The wall thickness of the square steel pipe hard protective keel 21 is 2mm. -2.5mm, the length of the cross section is 30mm-35mm, and the width is 20mm-25mm.

The hard protective panel 22 is used to intercept falling objects from high altitude, and its material, size, etc. are not limited. The hard protective panel 22 is a cold-rolled protective plate or an alloy protective plate, or a protective plate made of other materials. The hard protective panel 22 The thickness is 2mm-2.5mm. For example, the hard protective panel 22 is a 2mm thick cold-rolled plate.

The leg part 11 in this application is used to bear horizontal force for the hard protective panel 22, and its structure is not limited. The leg part 11 is a square steel pipe leg part 11 or an I-shaped leg part 11, or other The extension part 12 includes a vertical steel plate and a horizontal square steel pipe. The vertical steel plate and the horizontal square steel pipe are welded or bolted.

In order to ensure stress reliability, in one embodiment, the square steel tubes and steel plates of the support structure 10 are fully welded.

In order to prevent bumps and scratches during lifting, a buffer component 30 is provided around the protective panel. In this application, the material and size of the buffer component 30 are not limited. The buffer component 30 is a synthetic rubber buffer component 30 or a polyethylene foam buffer. The component 30 may be a polyurethane foam buffer component 30 or a buffer component 30 made of other materials.

This application does not limit the installation method of the buffer component 30. Generally, the buffer component 30 and the hard protective panel 22 are connected through mushroom nails. The overlapping width of the buffer component 30 and the hard protective panel 22 is 50mm-60mm. , the width away from the hard protective panel 22 and beyond the hard protective panel 22 is 50mm-60mm.

This application includes but is not limited to the mushroom nail installation buffer component 30. This application does not limit the size of the mushroom nail. The diameter of the circular surface of the mushroom nail is 25 mm-30 mm.

In this application, the hook 40 is used to install the hard protective panel 22, and the size and quantity of the hook 40 are not limited. The hook 40 is an Ω-shaped hook formed of hot-rolled smooth round steel bars or an alloy hook.

The invention consists of square steel pipe (2mm wall thickness, 20*30mm), cold-rolled plate (2mm thick), and natural rubber (fixed around the cold-rolled plate with mushroom nails, the overlap width of the natural rubber and the cold-rolled plate is 50mm, and the throw is 50mm) , mushroom nails (round surface diameter 25mm)), Ω-type plain round steel bars (HPB300 20mm), steel plates (the length varies according to the length of the elevator door opening, steel plate length = door opening width - square steel pipe width * 2, width 100mm, thickness 5mm).

The square steel pipe is used as the hard protective keel 21. The keel is fully welded to the cold-rolled plate, and synthetic rubber is used around the cold-rolled plate to prevent bumps and scratches during lifting.

In one embodiment, the portable elevator shaft hard protection device includes: hard protective keel: the keel material is a square steel pipe, arranged horizontally and vertically in two directions, and the keel spacing is determined according to the size of the elevator shaft; hard protective panel: cold-rolled plate is used as the panel. The length and width dimensions are determined by the size of the elevator shaft; hard guard protection: natural rubber (waste tire skin) is used around the hard guard as a protective measure to avoid damage to the hard guard and the wall caused by collision with the building when lifting the hard guard; hook: The hook is made of hot-rolled smooth round steel bars, bent into an Ω shape; support mechanism: The support structure consists of two parts, namely square steel pipes and steel plates. The purpose of the support device is to support the hard guard from falling downwards, causing the hard guard to fail.

During use, first place the leg part of the support structure against the inner wall of the elevator shaft door, and place the vertical steel plate part on the ground outside the elevator shaft door; the portable hard protection (hereinafter referred to as hard protection) is placed diagonally in the elevator shaft. , place the hard protection against the steel plate of the supporting device.

To sum up, the portable elevator shaft hard protection device provided by the embodiment of the present invention is provided with a support structure so that its leg part is in contact with the inner wall of the elevator shaft door opening, and the extension part is arranged outside the elevator shaft door opening, and the hard protection device The main body is prevented from bending by the hard protective keel, and the area inside the elevator shaft door is covered by the hard protective panel. The hard protective main body is supported by the outrigger part and is stressed through the inner wall of the elevator shaft door opening, while the extension part prevents the outrigger part from bending. It will fall into the elevator shaft, which solves the problem that hard protection must rely on the support of the frame or embedded parts. There is no need to build an internal frame or embed components on the side wall of the elevator shaft. It can be used and hoisted at any time. It is easy to install and disassemble, and has a fast turnover speed. Saves materials and labor.

The portable elevator shaft hard protection device provided by the present invention has been introduced in detail above. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and the core idea of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a portable elevator shaft hard protector, characterized in that includes bearing structure and becomes the hard protection main part of predetermined contained angle with the horizontal plane, hard protection main part includes hard protection fossil fragments, sets up hard protection fossil fragments's hard protection panel and set up hard protection panel positive at least one lifting hook, the setting are in the buffer unit of hard protection panel periphery, bearing structure includes landing leg part and extension, landing leg part is used for contacting and bear with elevator shaft door entrance inboard wall hard protection main part, extension with landing leg part is connected for set up outside the elevator shaft door entrance, through horizontal support hard protection main part and prevent hard protection main part lateral shifting.

2. The portable elevator shaft hard guard of claim 1, wherein the hard guard body has an included angle of 30 degrees or greater with the horizontal plane.

3. The portable elevator shaft hard protection device of claim 2, wherein the hard protection keel is a square steel pipe hard protection keel or a round steel pipe hard protection keel arranged horizontally and vertically.

4. The portable elevator shaft hard protection device of claim 3, wherein the hard protection keel is a square steel pipe hard protection keel, the wall thickness of the square steel pipe hard protection keel is 2mm-2.5mm, the length of the cross section is 30mm-35mm, and the width is 20mm-25mm.

5. The portable elevator shaft hard guard of claim 1, wherein the hard guard panel is a cold rolled guard plate or an alloy guard plate, and the hard guard panel has a thickness of 2mm to 2.5mm.

6. The portable elevator hoistway hard guard according to claim 1, wherein the leg portion is a square steel pipe leg portion or an i-shaped leg portion, and the extension portion includes a vertical steel plate vertically disposed and a horizontal steel pipe horizontally disposed, and the vertical steel plate and the horizontal square steel pipe are welded or bolted.

7. The portable elevator shaft hard guard of claim 1, wherein the cushioning member is a synthetic rubber cushioning member, a polyethylene foam cushioning member, or a polyurethane foam cushioning member.

8. The portable elevator shaft hard guard of claim 7, wherein the cushioning component is connected to the hard guard panel by mushroom studs, the cushioning component overlapping the hard guard panel by a width of 50mm-60mm, facing away from the hard guard panel and beyond the hard guard panel by a width of 50mm-60mm.

9. The portable elevator shaft hard guard of claim 8, wherein the diameter of the circular face of the mushroom peg is 25mm-30mm.

10. The portable elevator shaft hard guard of claim 9, wherein the hooks are omega-shaped hooks or alloy hooks formed by hot rolled plain steel bars.