CN219316866U

CN219316866U - Novel simple steel structure cat ladder

Info

Publication number: CN219316866U
Application number: CN202320368217.2U
Authority: CN
Inventors: 周小亮; 徐凤禄; 吴文龙; 何荣军; 叶贤辉
Original assignee: China State Railway Investment Construction Group Co Ltd
Current assignee: China State Railway Investment Construction Group Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-07
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a novel simple steel structure cat ladder, which comprises a cat ladder and an anti-falling system; the crawling ladder comprises ladder beams, pedals and supporting legs, wherein the number of the ladder beams is 2, the ladder beams are arranged in parallel, the pedals are uniformly arranged between the ladder beams, the two ends of the pedals are connected with the ladder beams, and the supporting legs are uniformly arranged on the bottom side of the ladder beams along the length direction; the anti-falling system comprises an anti-falling device, a fixed end rope clamp and a movable end rope clamp, wherein two ends of the anti-falling device are respectively connected with the fixed end rope clamp and the movable end rope clamp, and the movable end rope clamp is connected with a pedal positioned at the top end of the cat ladder; the ladder beam further comprises a hook, and the hook is fixedly arranged at the top end of the ladder beam. Compared with the prior art, the utility model has the advantages that: the device has simple structure, convenient manufacture, lighter structural mass and repeated use. The device is provided with the anti-falling system, so that accidents caused by sudden falling of the ladder stand in the using process can be avoided.

Description

Novel simple steel structure cat ladder

Technical Field

The utility model relates to the technical field of steel structure construction tools, in particular to a novel simple steel structure ladder which is mainly used for temporary climbing and climbing operation of operators during steel structure engineering construction so as to facilitate installation and construction of steel columns and steel beams of steel structures.

Background

With the improvement of the building construction technology level, steel structure building gradually becomes one of main forms of urban building types in China; meanwhile, the composite material is widely used in building modeling and public building main body structures due to the advantages of high strength, light weight and the like. In the steel structure construction process, the construction is generally carried out by adopting a mode of field installation after prefabricating steel columns and steel beams in factories, so that a large amount of high-altitude operation is inevitably required.

However, when the steel column and the steel beam are installed, construction characteristics and construction cost are considered, an operation platform such as a scaffold is not needed for construction and protection, and an operator has a large safety risk.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a novel simple steel structure ladder stand.

In order to solve the technical problems, the technical scheme provided by the utility model is that the novel simple steel structure cat ladder is as follows: comprises a ladder stand and an anti-falling system;

the crawling ladder comprises ladder beams, pedals and supporting legs, wherein the number of the ladder beams is 2, the ladder beams are arranged in parallel, the pedals are uniformly arranged between the ladder beams, the two ends of the pedals are connected with the ladder beams, and the supporting legs are uniformly arranged on the bottom side of the ladder beams along the length direction;

the anti-falling system comprises an anti-falling device, a fixed end rope clamp and a movable end rope clamp, wherein two ends of the anti-falling device are respectively connected with the fixed end rope clamp and the movable end rope clamp, and the movable end rope clamp is connected with a pedal positioned at the top end of the cat ladder;

the ladder beam further comprises a hook, and the hook is fixedly arranged at the top end of the ladder beam.

As an improvement, the ladder beam is made of angle steel, and the pedal is connected with the ladder beam through welding.

As an improvement, the hook is of a U-shaped structure, and is formed by bending round steel.

As an improvement, the pedal and the supporting legs are made of square steel.

As an improvement, the pedals are arranged vertically to the ladder beam, and the distance between every two adjacent pedals is 20-30 cm.

As an improvement, the supporting feet and the pedals are vertically arranged and are welded on the ladder beam, and the length of the supporting feet is between 5 cm and 10 cm.

Compared with the prior art, the utility model has the advantages that:

1. the device has simple structure, convenient manufacture, lighter structural mass and repeated use.

2. The device is provided with the anti-falling system, so that accidents caused by sudden falling of the ladder stand in the using process can be avoided.

Drawings

Fig. 1 is a schematic structural view of a novel simple steel structure ladder of the utility model.

Fig. 2 is a schematic structural view of a ladder stand portion of the novel simple steel structure ladder stand according to the present utility model.

Fig. 3 is a schematic structural view of an anti-falling system in a novel simple steel structure ladder stand.

As shown in the figure: 1. the climbing ladder comprises a climbing ladder, 11, ladder beams, 12, pedals, 13, supporting feet, 14, hooks, 2, a falling prevention system, 21, falling prevention devices, 22, fixed end rope clamps, 23 and movable end rope clamps.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

1-3, a novel simple steel structure ladder comprises a ladder stand 1 and an anti-falling system 2;

the cat ladder 1 comprises ladder beams 11, pedals 12 and supporting feet 13, wherein the number of the ladder beams 11 is 2, specifically, the ladder beams 11 are made of angle steel, and the ladder beams 11 are arranged in parallel; in the concrete implementation, the length of the ladder beam 11 is set according to the actual situation, but the length of the ladder beam 11 is not more than 3m;

the pedals 12 are uniformly arranged between the ladder beams 11 and connected to the ladder beams 11 at both ends, and specifically, the pedals 12 are connected to the ladder beams 11 by welding. In practical implementation, the number of the pedals 12 is set according to practical situations, and in this embodiment, the number of the pedals 12 is 10, and the pedals 12 are connected to the ladder beam 11 by welding.

Further, the steps 12 are arranged vertically to the ladder beam 11, and the distance between the adjacent steps 12 is 20 cm to 30cm.

The bottom side of the ladder beam 11 is uniformly provided with a plurality of supporting feet 13 along the length direction, and similarly, the number of the supporting feet 13 is set according to practical situations, and in this embodiment, the number of the supporting feet 13 on one ladder beam 11 is 3.

Further, the supporting legs 13 are perpendicular to the pedals 12 and are welded on the ladder beam 11, and the length of the supporting legs 13 is 5-10 cm.

Meanwhile, in the specific implementation, the pedal 12 and the supporting leg 13 are made of square steel.

The anti-falling system 2 comprises an anti-falling device 21, a fixed end rope clamp 22 and a movable end rope clamp 23, wherein two ends of the anti-falling device 21 are respectively connected with the fixed end rope clamp 22 and the movable end rope clamp 23, and the movable end rope clamp 23 is connected with a pedal 12 positioned at the top end of the cat ladder 1;

in actual use, the fixed end cord clip 22 is secured to the steel column top lap plate.

The novel ladder beam is characterized by further comprising a hook 14, wherein the hook 14 is fixedly arranged at the top end of the ladder beam 11, specifically, the hook 14 is of a U-shaped structure, and the hook 14 is formed by bending round steel.

In the implementation of the utility model, the fixed end rope clip 22 in the anti-falling system 2 is firstly connected to the top of the steel column, and the movable end rope clip 23 is connected to the pedal 12 at the top end of the cat ladder 1;

secondly, hanging a hook 14 on the ladder beam 11 on the top of the steel column;

then, hoisting the steel column connected with the fixed end rope clip 22 into position and fixing firmly;

finally, the worker climbs the steel column to a preset operation position through the ladder 1 to perform steel column or steel beam welding operation; after the welding operation is completed, the rope clip at the fixed end of the anti-falling system 2 is disconnected with the steel column, and the cat ladder 1 is taken down and put into the next position for use.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Novel simple steel structure cat ladder, its characterized in that: comprises a cat ladder (1) and an anti-falling system (2);

the crawling ladder (1) comprises ladder beams (11), pedals (12) and supporting feet (13), wherein the number of the ladder beams (11) is 2, the ladder beams (11) are arranged in parallel, a plurality of the pedals (12) are uniformly arranged between the ladder beams (11) and are connected with the ladder beams (11) at two ends, and a plurality of the supporting feet (13) are uniformly arranged at the bottom side of the ladder beams (11) along the length direction;

the anti-falling system (2) comprises an anti-falling device (21), a fixed end rope clamp (22) and a movable end rope clamp (23), wherein two ends of the anti-falling device (21) are respectively connected with the fixed end rope clamp (22) and the movable end rope clamp (23), and the movable end rope clamp (23) is connected with a pedal (12) positioned at the top end of the cat ladder (1);

the ladder beam is characterized by further comprising a hook (14), wherein the hook (14) is fixedly arranged at the top end of the ladder beam (11).

2. The novel simple steel structure ladder of claim 1, wherein: the ladder beam (11) is made of angle steel, and the pedal (12) is connected with the ladder beam (11) through welding.

3. The novel simple steel structure ladder of claim 1, wherein: the hook (14) is of a U-shaped structure, and the hook (14) is formed by bending round steel.

4. The novel simple steel structure ladder of claim 1, wherein: the pedal (12) and the supporting legs (13) are made of square steel.

5. The novel simple steel structure ladder of claim 1, wherein: the pedals (12) are vertically arranged with the ladder beams (11), and the distance between every two adjacent pedals (12) is 20 cm to 30cm.

6. The novel simple steel structure ladder of claim 1, wherein: the supporting legs (13) are perpendicular to the pedals (12) and are welded on the ladder beam (11), and the length of each supporting leg (13) is 5-10 cm.