CN207420433U - Combine cat ladder - Google Patents

Abstract

The utility model provides a combined climbing ladder, which is suitable for being arranged on a leaning body for climbing. The combined ladder includes at least two ladder modules that are detachably connected from head to tail, and the ladder module is provided with a support portion extending toward the body to support the ladder module on the body; the ladder at the top The top of the module is provided with a suspension part bent toward the body to hang on the top surface of the body, and the suspension part is provided with a top fixing part for being fixed on the top surface of the body; The bottom of the ladder module is provided with a bottom fixing part for fixing the ladder module. The combined climbing ladder provided by the utility model has a simple and convenient assembly method, has a high safety factor, and is applicable to various fall ranges.

Description

Combination ladder

technical field

The utility model relates to a climbing ladder, in particular to a combined climbing ladder.

Background technique

Culverts, pools, pits, corridors, etc. are relatively hidden construction locations of nuclear power plants. These construction locations are inconvenient to enter and exit, and basically no one enters them at ordinary times. However, in some special cases, operators often need to enter these places for maintenance or other emergency operations. In the prior art, since these places do not have dedicated working passages, workers generally use temporary tools such as ladders, straight ladders, and scaffolds for maintenance and other operations. The safety factor is not high, so it is not suitable for nuclear power plant operations; the vertical ladder is not flexible, the applicable drop range is limited, and it is inconvenient to carry, so it is not suitable for emergency operations with high drop ranges; It is suitable for construction sites with limited space such as pools and corridors.

Therefore, there is a need for a combination ladder that is convenient, safe and applicable to various drop ranges.

Utility model content

The purpose of this utility model is to provide a climbing ladder, which can adapt to the operation of different drop ranges compared with the herringbone ladder and the straight ladder; it has a higher safety factor compared with the soft ladder; it is more convenient to assemble and takes up less space than the scaffolding. Combination ladder.

In order to achieve the above purpose, the utility model provides a combination ladder, which is suitable for being installed on the body for climbing. The combination ladder includes at least two ladder modules detachably connected at the head and tail. The support part extending by the body supports the ladder module on the body; the top of the ladder module at the top is provided with a hanging part bent toward the body to hang on the top surface of the body, The hanging part is provided with a top fixing part for fixing on the top surface of the body; the bottom of the ladder module at the bottom is provided with a bottom fixing part for fixing the ladder module.

Preferably, at least two sections of the ladder modules are rotatably connected; the rotating connection arrangement can make the combined ladder applicable to various shapes of leaning bodies, such as arc-shaped buildings, large-scale production equipment in factories, and upright walls.

Preferably, the top fixing part is fixed to the suspension part, and the side of the top fixing part used for fixedly connecting the top surface of the body is a planar structure, and the top fixing part is also provided with a The top bolt hole of the planar structure; the planar structure design of the top fixing part increases the contact area between the ladder module at the top and the top surface of the support body, ensuring the stability and firmness of the fixation between the top ladder module and the support body sex.

Preferably, the top fixing part is fixed to the top surface of the body by expansion bolts passing through the top bolt holes.

Preferably, the bottom surface of the bottom fixing part for fixing the bottom end of the ladder module is a planar structure, and the bottom fixing part is provided with a bottom bolt hole penetrating through the planar structure.

Preferably, the length of the ladder module is 50-200cm.

Preferably, the ladder module at the top and the ladder module at the middle have a length of 50-200cm, and the ladder module at the bottom has a length of 20-100cm; ladder modules of different lengths are set so that the combined ladder can satisfy Different drop ranges enhance the applicability of the combined ladder.

Preferably, the support part is a planar support, and the planar support includes a planar support plate and a support bar extending toward the body, and the planar support plate is fixedly connected to the ladder module through the support bar. superior.

Preferably, one side of the planar support plate for supporting the body has a circular planar structure.

Compared with the prior art, the utility model provides a combination ladder, which is suitable for being arranged on a leaning body for climbing, and includes at least two detachable connecting ladder modules. The combination of ladder modules with different numbers of sections can be applied to different drop ranges, and the assembly is convenient and simple, without consuming a lot of manpower and material resources. Secondly, in the combined ladder provided by the utility model, each ladder module is provided with a supporting part extending toward the backing body, which can stably support the ladder module on the backing body, which solves the technical problem of the unstable fixing of the ladder in the prior art. Again, in the combined ladder provided by the utility model, the ladder module at the top is provided with a suspension part bent towards the body, and the bent part of the suspension part strengthens the contact strength with the top surface of the body, making the ladder more stable and located at the top. The ladder module and the ladder module at the bottom are respectively equipped with a top fixing part and a bottom fixing part, which can stably fix the entire combined ladder on the body, greatly improving the safety factor.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the combined ladder;

Fig. 2 is a structural schematic diagram of the ladder module at the top of the combined ladder;

Fig. 3 is a structural schematic diagram of the ladder module in which the combined ladder is located in the middle;

Fig. 4 is a structural schematic diagram of the ladder module with the combined ladder at the bottom.

Detailed ways

In order to describe the technical solution, structural features, and technical effects achieved by the present utility model in detail, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.

Referring to Fig. 1, the utility model provides a combination ladder, which is suitable for being arranged on the body for climbing. The combination ladder includes at least two ladder modules which are detachably connected at the head and tail and at least two ladder modules are rotatably connected. In this embodiment, the combined ladder includes three ladder modules, the ladder module 1 at the top, the ladder module 2 in the middle and the ladder module 3 at the bottom, and the ladder modules are rotatably connected. In this embodiment, the head of the ladder module 2 is connected to the tail of the ladder module 1 through a hinged structure or other connections that allow the ladder modules 1 and 2 to rotate relative to each other. 1 to 3, the tail of the ladder module 1 is provided with a U-shaped groove 13, and the U-shaped groove 13 is opened at the bottom of the ladder module 1, and the head of the ladder module 2 is provided with a U-shaped protrusion 21. The protrusion 21 protrudes from the top of the ladder module 2, the protrusion 21 can be inserted into the groove 13, and the groove 13 and the protrusion 21 are provided with bolt holes 5, the ladder module 1 and the ladder module 2 pass the bolt through the bolt The hole 5 realizes the movable connection between the two ladder modules 1 and 2 . The ladder module 2 and the ladder module 3 can also be flexibly connected in this way. In this embodiment, the two adjacent ladder modules 1 and 2 can be connected through other movable connection methods known to those skilled in the art.

Referring to FIG. 2 to FIG. 4 , the ladder modules 1 , 2 , and 3 are respectively provided with support portions 4 extending toward the support body 6 to support the ladder modules 1 , 2 , and 3 on the support body respectively. The support part 4 includes a support rod 41 and a planar support plate 42 , and the planar support plate 42 is fixedly connected to the ladder modules 1 , 2 , 3 through the support rod 41 . The plane support plate 42 is used to support the side of the body 6 in a circular plane structure, and the circular plane structure is fitted on the body 6, which can strengthen the close fit between the plane support plate 42 and the body 6, so that the climbing ladder The modules 1, 2, 3 are more stably supported on the support body 6.

Referring to Fig. 1 and Fig. 2, the top of the ladder module 1 is provided with a suspension part 11 bent towards the body 6, the ladder module 1 is suspended on the top surface of the body 6, and the suspension part 11 is provided with a suspension part 11 for being fixed on the top surface of the body 6. The top fixing part 12. Specifically, as shown in Figures 1 and 2, the hanging part 11 includes a parallel part parallel to the top surface of the body 6, one end of the top fixing part 12 is fixed on the parallel part of the hanging part 11, and the other end of the top fixing part 12 It is fixedly connected to the top surface of the leaning body 6 to detachably hang the ladder module 1 on the leaning body 6 . The side of the top fixing part 12 used for fixing and connecting the top surface of the body 6 is a planar structure, and the top fixing part 12 is also provided with a top bolt hole 122 passing through the planar structure. Referring to Fig. 2, in this embodiment, the top fixing part 12 includes a connecting rod 121 extending toward the body, a flat plate 123 and a top bolt hole 122 provided on the flat plate 123, the flat plate 123 is connected with the ladder module 1 through the connecting rod 121, and the top Expansion bolts or other bolts can be inserted into the bolt holes 122 to stably fix the ladder module 1 on the top surface of the body 6 . In addition, the flat plate 123 can also be other fixed plates with a planar structure. The planar structure faces the top surface of the body 6 and is attached to the top surface of the body 6; the bolts pass through the top bolt holes 122 to fix the ladder module 1 on the top surface of the body 6. Lean on the body 6 top surface.

Referring to FIG. 1 and FIG. 4 , the bottom of the ladder module 3 is provided with a bottom fixing portion 31 for fixing the ladder module 3 . The bottom surface of the bottom fixing part 31 fixedly connected to the bottom of the ladder module 3 is a planar structure, and the bottom fixing part 31 is provided with a bottom bolt hole 311 passing through the planar structure. Referring to Fig. 4, in this embodiment, the bottom fixing part 31 includes a bottom plate 312 fixedly connected to the bottom of the ladder module 3 and a bottom bolt hole 311 arranged on the bottom plate 312, and the bolt passes through the bottom bolt hole 311 to fix the ladder module 3 On the ground where the bottom end of the body 6 is located or other planes on which the ladder can be fixed. In addition, the bottom plate 312 can also be other fixed plates with a planar structure.

Referring to Fig. 1, the combined ladder provided by the utility model, the ladder module can be a standard module of different length between 50-200cm, so that it can be assembled and spliced according to the actual drop to meet the operation needs of different drop ranges. In order to meet the requirements of the operation specification, a ladder module with a length of 20-100cm can also be added. Specifically in this embodiment, the length of the ladder module can be two specifications of 100cm and 200cm. In addition, according to the requirement that the bottom drop of the operation specification is less than 45cm, ladder modules of two length specifications of 45cm and 55cm can also be set, so that the assembled The drop between the bottom end and the bottom surface of the combined ladder is less than 45cm.

Compared with the prior art, the utility model provides a combination ladder, which is suitable for being installed on the body for climbing, and includes at least two detachable connecting ladder modules, and the ladder modules are provided with two specifications of 100cm and 200cm, and According to actual needs, 45cm and 55cm ladder modules can be added. The combination of ladder modules with different numbers of sections can be applied to different drop ranges, and the assembly is convenient and simple, without consuming a lot of manpower and material resources, and setting up ladder modules of different lengths can quickly meet the operation specification requirements that the drop between the bottom of the ladder and the ground is less than 45cm. Secondly, in the combined ladder provided by the utility model, each ladder module is provided with a support portion 4 extending toward the backing body 6, which can stably support the ladder module on the backing body, which solves the technical problem that the ladder is not fixed firmly in the prior art. Again, in the combined ladder provided by the utility model, the ladder module at the top is provided with a hanging part 11 bent towards the body 6, and the bent part of the hanging part 11 strengthens the contact strength with the top surface of the body, making the ladder more stable. Moreover, the ladder module 1 and the ladder module 3 are respectively provided with a top fixing part 12 and a bottom fixing part 31, which can stably fix the entire combined ladder on the body, greatly improving the safety factor.

The above disclosures are only preferred examples of the utility model, and cannot limit the scope of rights of the utility model. Therefore, equivalent changes made according to the claims of the utility model all belong to the scope covered by the utility model.

Claims (9)

1. A combination ladder, suitable for being installed on the body for climbing, characterized in that: the combination ladder includes at least two ladder modules that are detachably connected at the beginning and the end, and the ladder module is provided with a structure extending toward the body The supporting part is used to support the ladder module on the body; the top of the ladder module at the top is provided with a hanging part bent toward the body to hang on the top surface of the body, the suspension The upper part is provided with a top fixing part for fixing on the top surface of the body; the bottom of the ladder module at the bottom is provided with a bottom fixing part for fixing the ladder module. 2. The combined ladder according to claim 1, characterized in that at least two ladder modules are rotatably connected. 3. The combination ladder according to claim 1, characterized in that: the top fixing part is fixed to the suspension part, and the side of the top fixing part used to fixedly connect the top surface of the body is a planar structure , and the top fixing part is also provided with a top bolt hole penetrating through the planar structure. 4. The combination ladder according to claim 3, characterized in that: the top fixing part is fixed to the top surface of the body by means of expansion bolts passing through the top bolt holes. 5. The combination ladder according to claim 1, characterized in that: the bottom surface of the bottom fixing part used to fix the bottom end of the ladder module is a planar structure, and the bottom fixing part has a The bottom bolt holes of the structure. 6. The combined ladder according to claim 1, characterized in that: the length of the ladder module is 50-200cm. 7. The combined ladder according to claim 1, characterized in that: the ladder module at the top and the ladder module at the middle have a length of 50-200cm, and the ladder module at the bottom has a length of 20-100cm. 8. The combination ladder according to any one of claims 1-7, characterized in that: the support part is a planar support, and the planar support includes a planar support plate and a support rod extending toward the body , the planar support plate is fixedly connected to the ladder module through the support rod. 9. The combination ladder according to claim 8, characterized in that: the side of the planar support plate for supporting the leaning body has a circular planar structure.