CN221032382U - Metal fire rescue pull ladder - Google Patents

Metal fire rescue pull ladder Download PDF

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Publication number
CN221032382U
CN221032382U CN202321975457.5U CN202321975457U CN221032382U CN 221032382 U CN221032382 U CN 221032382U CN 202321975457 U CN202321975457 U CN 202321975457U CN 221032382 U CN221032382 U CN 221032382U
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CN
China
Prior art keywords
ladder
assembly
ladder body
pulley
sliding
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Active
Application number
CN202321975457.5U
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Chinese (zh)
Inventor
周兆威
薛林
施巍
苏琳
华万仁
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Shanghai Fire Research Institute of MEM
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Shanghai Fire Research Institute of MEM
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Priority to CN202321975457.5U priority Critical patent/CN221032382U/en
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Publication of CN221032382U publication Critical patent/CN221032382U/en
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Abstract

The utility model discloses a metal fire rescue pull ladder, which comprises: the outer ladder assembly comprises an outer ladder body and outer ladder stops, and the outer ladder stops are sequentially arranged at intervals along the height direction of the outer ladder body; the rope pulley assembly comprises a pulley and a pull rope, the pulley is arranged on an outer ladder rail at the highest position of the outer ladder assembly, and the pull rope is rotationally wound on the pulley; the inner ladder assembly comprises an inner ladder body and an inner ladder stop, the inner ladder stop is sequentially arranged at intervals along the height direction of the inner ladder body, the inner ladder body is slidably sleeved in the outer ladder body, and one end of a pull rope is fixed on the inner ladder stop at the lowest position of the inner ladder assembly; and the sliding guide unit is used for guiding the sliding of the inner ladder assembly relative to the outer ladder assembly. The utility model has simple and convenient operation, saves time and labor, avoids the clamping stagnation phenomenon in the sliding process of the inner ladder assembly, and further improves the convenience of operation.

Description

Metal fire rescue pull ladder
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a metal fire-fighting rescue pull ladder.
Background
Fire control is to eliminate hidden danger and prevent disaster (namely, prevent and solve people and natural and accidental disasters in life, work and study process), and the narrow meaning of the fire control is that at the beginning of people's understanding: the fire disaster is extinguished, and the fire disaster is mainly characterized by mainly comprising personnel rescue at a fire scene, rescue of important facility equipment and cultural relics, safety protection and rescue of important property, fire disaster extinguishment and the like, and aims to reduce the damage degree caused by the fire disaster, reduce casualties and property loss, and a pull ladder is often used in fire rescue, but the conventional pull ladder is inconvenient to elongate and operate and wastes time and labor.
Disclosure of utility model
Based on the above, it is necessary to provide a metal fire rescue ladder for solving the above technical problems.
A metal fire rescue pull ladder comprising:
the outer ladder assembly comprises an outer ladder body and outer ladder blocks, and the outer ladder blocks are sequentially arranged at intervals along the height direction of the outer ladder body;
The rope pulley assembly comprises a pulley and a pull rope, the pulley is arranged on an outer ladder rail at the highest position of the outer ladder assembly, and the pull rope is rotationally wound on the pulley;
The inner ladder assembly comprises an inner ladder body and an inner ladder stop, the inner ladder stop is sequentially arranged at intervals along the height direction of the inner ladder body, the inner ladder body is slidably sleeved in the outer ladder body, and one end of the pull rope is fixed on the inner ladder stop at the lowest position of the inner ladder assembly;
And the sliding guide unit is used for guiding the sliding of the inner ladder assembly relative to the outer ladder assembly.
In one embodiment, the bottom of the outer ladder body is provided with a ladder foot, the ladder foot is detachably connected with the outer ladder body through a bolt and a nut, and the bottom of the ladder foot is conical.
In one embodiment, the sliding guide unit comprises an outer sliding rail assembly and an inner sliding rail assembly, the outer sliding rail assembly is arranged on the inner side of the top of the outer ladder body, the inner sliding rail assembly is arranged on the outer side of the bottom of the inner ladder body, the outer sliding rail assembly is in sliding contact with the inner ladder body, and the inner sliding rail assembly is in sliding contact with the outer ladder body.
In one embodiment, a limiting block is arranged at the top of the inner ladder body, and when the inner ladder body is at the lowest position, the limiting block is abutted with the top end face of the outer ladder body.
In one embodiment, a plug is arranged at the top of the outer ladder body, and when the inner ladder body is at the highest position, the plug is abutted with the upper end face of the inner slide rail assembly.
In one embodiment, the inner ladder body is provided with a resistor remover, and the resistor remover can enable the inner ladder body to slide unidirectionally relative to the outer ladder body.
Above-mentioned metal fire rescue draws ladder, through set up the pulley on the outer ladder shelves of outer ladder subassembly highest department, then, on the inner ladder shelves of ladder subassembly lowest department including fixing the one end of stay cord, walk around the pulley with the other end of stay cord, when drawing the ladder in needs extension, only need the other end of pulling the stay cord, can rise interior ladder subassembly fast, its easy operation is convenient, labour saving and time saving, and, slip direction unit can lead the slip of interior ladder subassembly for outer ladder subassembly, it has avoided the jamming phenomenon of interior ladder subassembly slip in-process, the convenience of operation has further been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a metal fire rescue pull ladder of the present utility model;
FIG. 2 is a top view of the metal firefighting rescue pull ladder of the present utility model;
FIG. 3 is a schematic view of the structure of the outer ladder assembly of the present utility model;
FIG. 4 is a top view of the outer ladder assembly of the utility model;
FIG. 5 is a schematic view of the structure of the inner ladder assembly of the utility model;
fig. 6 is a top view of the inner ladder assembly of the utility model.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-6, an embodiment of the present utility model provides a metal fire rescue pull ladder, including:
The outer ladder assembly 1 comprises an outer ladder body 11 and an outer ladder rail 12, wherein the outer ladder rail 12 is sequentially arranged at intervals along the height direction of the outer ladder body 11;
The rope pulley assembly 2 comprises a pulley 21 and a pull rope 22, the pulley 21 is arranged on the outer ladder rail 12 at the highest position of the outer ladder assembly 1, and the pull rope 22 is rotationally wound on the pulley 21;
The inner ladder assembly 3, wherein the inner ladder assembly 3 comprises an inner ladder body 31 and an inner ladder block 32, the inner ladder blocks 32 are sequentially arranged at intervals along the height direction of the inner ladder body 3, the inner ladder body 31 is slidably sleeved in the outer ladder body 11, and one end of the pull rope 22 is fixed on the inner ladder block 32 at the lowest position of the inner ladder assembly 3;
A sliding guide unit 4 for guiding the sliding of the inner ladder assembly 3 with respect to the outer ladder assembly 1.
Above-mentioned metal fire rescue draws ladder, through set up pulley 21 on outer ladder rail 12 of outer ladder subassembly 1 highest department, then, fix the one end of stay cord 22 on the inner ladder rail 32 of ladder subassembly 3 lowest department, walk around pulley 21 with the other end of stay cord 22, when needs are elongated and draw the ladder, only need the other end of pulling stay cord 22, can rise interior ladder subassembly 3 fast, its easy operation is convenient, labour saving and time saving, and, slip direction unit 4 can lead the slip of inner ladder subassembly 3 for outer ladder subassembly 1, it has avoided the jamming phenomenon of inner ladder subassembly 31 slip in-process, further the convenience of operation has been improved.
In an embodiment of the present utility model, a foot 5 is disposed at the bottom of the outer ladder body 11, the foot 5 is detachably connected to the outer ladder body 11 through a bolt 6 and a nut 7, and the bottom of the foot 5 is conical. Thus, the ladder foot 5 can avoid the sliding of the outer ladder body 11, and the stability when the ladder is pulled is improved.
In an embodiment of the present utility model, the sliding guide unit 4 includes an outer sliding rail assembly 41 and an inner sliding rail assembly 42, the outer sliding rail assembly 41 is disposed at the top inner side of the outer ladder body 11, the inner sliding rail assembly 42 is disposed at the bottom outer side of the inner ladder body 31, wherein the outer sliding rail assembly 41 is in sliding contact with the inner ladder body 31, and the inner sliding rail assembly 42 is in sliding contact with the outer ladder body 11.
In this embodiment, the outer slide rail assembly 41 can always contact with the inner ladder body 31 in the sliding process of the inner ladder assembly 3 relative to the outer ladder assembly 1, and the inner slide rail assembly 42 can also always contact with the outer ladder body 11, so that the whole guiding function in the sliding process of the inner ladder assembly 3 and the outer ladder assembly 1 is ensured, and the use is more stable, safe and reliable.
In an embodiment of the present utility model, a stopper 33 is disposed at the top of the inner ladder body 31, and when the inner ladder body 31 is at the lowest position, the stopper 33 abuts against the top end surface of the outer ladder body 11. In this way, the inner ladder body 31 can be provided with the lowest limit, and the inner ladder body 31 is prevented from sliding down to the inside of the outer ladder body 11.
In an embodiment of the present utility model, a plug 13 is disposed at the top of the outer ladder body 11, and when the inner ladder body 31 is at the highest position, the plug 13 abuts against the upper end surface of the inner rail assembly 42. In this way, the highest position of the inner ladder body 31 can be limited, slipping is avoided, and safety is improved.
In an embodiment of the present utility model, the inner ladder body 31 is provided with a stripper 34, and the stripper 34 can enable the inner ladder body 31 to slide unidirectionally relative to the outer ladder body 11. In this embodiment, the resistor stripper 34 is a prior art, and functions to enable the relative motion of the components to realize unidirectional movement, and the structure and principle thereof will not be described herein.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The examples described above represent only a few embodiments of the present utility model and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (3)

1. A metal fire rescue pull ladder, comprising:
the outer ladder assembly comprises an outer ladder body and outer ladder blocks, and the outer ladder blocks are sequentially arranged at intervals along the height direction of the outer ladder body;
The rope pulley assembly comprises a pulley and a pull rope, the pulley is arranged on an outer ladder rail at the highest position of the outer ladder assembly, and the pull rope is rotationally wound on the pulley;
The inner ladder assembly comprises an inner ladder body and an inner ladder stop, the inner ladder stop is sequentially arranged at intervals along the height direction of the inner ladder body, the inner ladder body is slidably sleeved in the outer ladder body, and one end of the pull rope is fixed on the inner ladder stop at the lowest position of the inner ladder assembly;
A sliding guide unit for guiding the sliding of the inner ladder assembly relative to the outer ladder assembly;
The sliding guide unit comprises an outer sliding rail assembly and an inner sliding rail assembly, the outer sliding rail assembly is arranged on the inner side of the top of the outer ladder body, the inner sliding rail assembly is arranged on the outer side of the bottom of the inner ladder body, the outer sliding rail assembly is in sliding contact with the inner ladder body, and the inner sliding rail assembly is in sliding contact with the outer ladder body;
A limiting block is arranged at the top of the inner ladder body, and when the inner ladder body is at the lowest position, the limiting block is abutted with the top end face of the outer ladder body;
The top of outer ladder body is equipped with the end cap, when interior ladder body is in the highest position, the end cap with interior rail subassembly's up end butt.
2. The metal fire rescue pull ladder of claim 1, wherein a ladder foot is arranged at the bottom of the outer ladder body, the ladder foot is detachably connected with the outer ladder body through a bolt and a nut, and the bottom of the ladder foot is conical.
3. The metal fire rescue pull ladder of claim 1, wherein the inner ladder body is provided with a resistor remover, and the resistor remover can enable the inner ladder body to slide unidirectionally relative to the outer ladder body.
CN202321975457.5U 2023-07-26 2023-07-26 Metal fire rescue pull ladder Active CN221032382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321975457.5U CN221032382U (en) 2023-07-26 2023-07-26 Metal fire rescue pull ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321975457.5U CN221032382U (en) 2023-07-26 2023-07-26 Metal fire rescue pull ladder

Publications (1)

Publication Number Publication Date
CN221032382U true CN221032382U (en) 2024-05-28

Family

ID=91172982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321975457.5U Active CN221032382U (en) 2023-07-26 2023-07-26 Metal fire rescue pull ladder

Country Status (1)

Country Link
CN (1) CN221032382U (en)

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