CN222478597U - Steel ladder for construction site - Google Patents

Abstract

The utility model provides a steel ladder for use at a construction site, and relates to the technical field of building construction, comprising two brackets arranged in parallel, wherein the lower end of the bracket is detachably mounted on the first level, and the upper end is hung on the upper edge of a reserved hole of the second level through a hook, and a plurality of angle steels are fixedly arranged between the two brackets at intervals, wherein the first right-angled sides of the plurality of angle steels are parallel to the first level, forming a plurality of stair sections, and each stair section comprises two symmetrically arranged angle steels. The steel ladder further comprises at least one handrail, which is fixedly arranged in parallel to the upper end of the bracket through a first connecting member. A second connecting member is further arranged between the bracket and the handrail, and the second connecting member extends and is fixedly arranged on the ground. The utility model has a simple structure and is easy to install. The stair section formed by the two angle steels increases the step width and improves the safety during climbing. The first connecting member and the second connecting member can effectively reduce the shaking problem during climbing, reduce the risk of the stairs shaking or shifting, and improve the stability of the overall structure.

Description

Steel ladder for construction site

Technical Field

The utility model relates to the technical field of building construction, in particular to a steel ladder for a construction site.

Background

In construction sites such as houses, highways, bridges and the like, construction auxiliary equipment such as steel ladders and the like are required.

At present, with the progress of the construction industry, various new concepts such as intelligent construction sites, green construction sites, safe civilization and the like are emerging. In order to realize modern construction sites, the construction sites are required to be not only secure civilized, but also intelligent and green. The method provides brand new requirements for various measures on site, and needs innovation in the aspects of training, supervision and measures. The safe civilized construction is used as a main monitoring object in the field, and new requirements are also put forward for the cat ladder in the safe civilized construction. At present, the traditional steel ladder structure has the problems of poor stability, shaking, improper stepping width and the like, and cannot flexibly adapt to the building construction requirements of different heights.

Disclosure of utility model

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a steel ladder for a construction site, which adopts the following technical scheme:

The steel ladder for the construction site comprises two brackets which are arranged in parallel, wherein the lower ends of the two brackets are detachably arranged on a first level, and the upper ends of the two brackets are detachably arranged at reserved holes of a second level;

A plurality of angle steels are fixedly arranged between the two brackets at intervals, and the first right-angle edges of the plurality of angle steels are parallel to the first level to form a plurality of stair sections.

Further improved, each stair section comprises two symmetrically arranged angle steel.

The space between two angle steels for forming the stair section is 3-5 cm.

Further improved, the upper surface of the first right-angle side is provided with a notch for skid resistance.

The further improved handrail also comprises at least one handrail, and the handrail is fixedly arranged above the bracket in parallel through a first connecting piece.

In a further improvement, the first connecting piece is welded vertically between the bracket and the armrest.

Further improved, a second connecting piece perpendicular to the first level is arranged between the bracket and the handrail.

Further improved, the second connecting piece extends to the first level and is fixedly connected with the first level through the first base.

Further improved, the lower end of the bracket is provided with a second base for being fixed on the ground.

Further improved, the upper end of the bracket is provided with a hook for hanging the reserved hole.

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

Firstly, the steel ladder is formed by arranging a plurality of angle steels between two parallel brackets, the upper end of the steel ladder is hung at a hole reserved in second-level construction, and the lower end of the steel ladder is fixedly arranged on the ground through a second base. The structure remarkably improves the conditions of poor stability and shaking during climbing of the traditional steel ladder, has a simple and stable overall structure, is convenient to install, and can flexibly adapt to building construction requirements of different heights.

The stair section is composed of two symmetrically arranged angle steels, one right-angle side of the two angle steels is parallel to the first level, and anti-skid grooves are formed on the right-angle side of the two angle steels, so that friction force during stepping is increased, and risk of slipping accidents is reduced. The interval 3~5cm between two angle steel has increased the width of marking time of whole stair section, has effectively promoted the security when the steel ladder uses, especially ensures constructor's safety in moist or the construction environment that dust is many.

Thirdly, the utility model also comprises at least one handrail which is fixedly arranged above the bracket in parallel through the first connecting piece, and the first connecting piece is vertically connected between the handrail and the bracket, so that the force born by the handrail can be effectively dispersed and transferred, and the stability and durability of the whole stair are improved. The second connecting piece sets up perpendicularly to first level, ensures to have more firm fixed point between stair and the ground, reduces stair and rocks or shift the risk, improves overall structure's stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the embodiments, it being understood that the following drawings illustrate only some examples of the utility model and are therefore not to be considered limiting of its scope, since it is possible for a person skilled in the art to obtain other related drawings from these drawings without inventive effort.

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

FIG. 2 is a schematic side view of an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

Fig. 4 is a partial enlarged view at B in fig. 2.

Reference numerals:

100-first level, 200-second level, 201-reserved hole;

1-bracket, 11-second base, 12-hook, 2-angle iron, 21-notch, 3-handrail, 4-first connecting piece, 5-second connecting piece and 51-first base.

Detailed Description

For the convenience of understanding by those skilled in the art, the structure of the present utility model will now be described in further detail with reference to the accompanying drawings:

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The terms "upper," "lower," "side," "end," and the like are used for convenience in describing and simplifying the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-2, the application provides a steel ladder for a construction site, which comprises two parallel brackets 1, wherein the lower ends of the two brackets 1 are detachably arranged on a first level 100, the upper ends of the two brackets 1 are detachably arranged on a reserved hole 201 of a second level 200, a plurality of angle steels 2 are fixedly arranged between the two brackets 1 at intervals, the first right-angle edges of the plurality of angle steels 2 are parallel to the first level 100 to form a plurality of stair sections, and each stair section comprises two symmetrically arranged angle steels 2.

In one embodiment, the first level 100 is a constructed ground floor, the second level 200 is a constructed ground floor, and the two ground floors are provided with square holes with a side length of 1.5m, so as to form the reserved holes 201. Before installation, the heights of the first level 100 and the second level 200 are measured, and the brackets 1 are calculated and cut according to the measured heights, so that the two brackets 1 can lean between the first level 100 and the second level 200 and form an included angle of 60 degrees with the first level 100. After the cutting of the brackets 1 is completed, the angle steel 2 is welded between the two brackets 1, as shown in fig. 3, the second right-angle sides of the two angle steel 2 are parallel and oppositely arranged, the first right-angle sides are flush to form the step surface of the stair section, the included angle between the step surface and the brackets 1 is 60 degrees, and when the brackets 1 are erected between the first level 100 and the second level 200, the step surface is parallel to the first level 100.

In a specific embodiment, for guaranteeing stability and durability of the steel ladder, the bracket 1 is a square solid steel pipe, two angle steels 2 used for forming a stair section are fixedly arranged between the two solid steel pipes at intervals of 0.5m, the edge width of each angle steel 2 is 8cm, the distance between the two angle steels 2 is 4cm, namely, the stepping width of each stair section is 20cm, the stair climbing is more stable and comfortable, the safe work of constructors is ensured, gaps between the two angle steels 2 are reserved, small stones falling in the construction process can be filtered, and the safety in use is further improved.

As shown in fig. 4, the upper surface of the first right-angle side of the angle steel 2 is provided with the anti-slip grooves 21, so that the friction force during stepping is increased, and the risk of slipping accidents is reduced.

As shown in fig. 1-2, the device further comprises at least one armrest 3, and the armrest 3 is fixedly arranged above the bracket 1 in parallel through a first connecting piece 4.

In a specific embodiment, the armrests 3 are welded to the upper ends of the two brackets 1 through the first connecting piece 4, and the first connecting piece 4 is perpendicular to the brackets 1 and the armrests 3, so that the stability and the firmness of the armrests 3 are improved. The first connecting piece 4 is an angle steel 2 with the length of 40cm, and two ends of the angle steel 2 are respectively welded on one side, close to each other, of the support 1 and the handrail 3.

As shown in fig. 1 and 2, a second connection 5 perpendicular to the first level 100 is provided between the bracket 1 and the armrest 3. The second connecting member 5 extends to the first level 100 and is fixedly connected to the first level 100 through the first base 51.

In one embodiment, the second connecting piece 5 is an angle steel 2, one right-angle side of the second connecting piece is welded to the side edges of the bracket 1 and the handrail 3, a square steel plate serving as the first base 51 is welded at the lower end of the second connecting piece, a plurality of bolt holes are formed in the square steel plate and can be fixedly arranged on the first level 100 through bolts, and in another embodiment, if the first level 100 is a soil field, a ground nail can be further arranged at the lower end of the square steel plate, and the fixing effect can be achieved by inserting the ground nail into the first level 100.

As shown in fig. 1 and 2, the upper end of the bracket 1 is provided with a hook 12 for hanging at the reserved hole 201, and the lower end is provided with a second base 11 for being fixed on the ground.

In a specific embodiment, the upper end of the bracket 1 is beveled by 30 degrees, a steel bar is welded on the tangent plane, the tail end of the steel bar is bent away from the notch direction to form the hook 12, when the bracket 1 and the first level 100 are erected between the first level 100 and the second level 200 by an included angle of 60 degrees, the steel bar at the upper end of the bracket 1 can be attached to the inner wall of the reserved hole 201, and the length of the steel bar is smaller than the length of the upper edge and the lower edge of the reserved hole 201, namely, when the hook 12 is hung on the upper edge of the reserved hole 201, the upper end of the bracket 1 is abutted to the inner wall of the reserved hole 201. After the length of the bracket 1 is determined, the steel ladder is preinstalled through the hook 12 structure, so that the integral installation is more convenient.

In a specific embodiment, the second base 11 is similar to the first base 51 in structure, and is made of square steel plate, and may be fixedly connected to the first level 100 by bolts, ground nails, or the like.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The steel ladder for the construction site is characterized by comprising two parallel brackets (1), wherein the lower ends of the two brackets (1) are detachably arranged on a first level (100), and the upper ends of the two brackets are detachably arranged on a reserved hole (201) of a second level (200);

A plurality of angle steels (2) are fixedly arranged between the two brackets (1) at intervals, and first right-angle edges of the plurality of angle steels (2) are parallel to the first level (100) to form a plurality of stair sections;

the lower end of the bracket (1) is provided with a second base (11) which is used for being fixed on the ground;

the upper end of the bracket (1) is provided with a hook (12) for hanging the reserved hole (201).

2. A steel ladder for a construction site according to claim 1, characterized in that each of said stairs segments comprises two symmetrically arranged angle steels (2).

3. A steel ladder for a construction site according to claim 2, wherein the distance between two angle steels (2) for constituting the building section is 3-5 cm.

4. A steel ladder for a construction site according to claim 2, characterized in that the upper surface of the first right-angle side is provided with a notch (21) for anti-slip.

5. A steel ladder for a construction site according to claim 1, further comprising at least one handrail (3), said handrail (3) being secured in parallel above said frame (1) by means of a first connection (4).

6. A steel ladder for a construction site according to claim 5, characterized in that the first connecting piece (4) is welded perpendicularly between the bracket (1) and the handrail (3).

7. A steel ladder for construction sites according to claim 5, characterized in that a second connection (5) perpendicular to the first level (100) is provided between the bracket (1) and the handrail (3).

8. A steel ladder for a construction site according to claim 7, characterized in that the second connection element (5) extends to the first level (100) and is fixedly connected to the first level (100) by means of a first base (51).