CN214330510U

CN214330510U - Manhole cat ladder on collapsible roofing

Info

Publication number: CN214330510U
Application number: CN202023074939.2U
Authority: CN
Inventors: 王鹏书; 王建强; 龚成有; 全有维
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-01
Anticipated expiration: 2030-12-18

Abstract

The utility model provides a manhole cat ladder on collapsible roofing, the operation cat ladder includes: a straight ladder and a ladder sleeve; the ladder sleeve is sleeved on the straight ladder and detachably connected with the straight ladder; the cross section of the ladder sleeve is C-shaped; the upper end of the ladder sleeve is connected with the upper end of the straight ladder through the anti-falling chain. The utility model has the characteristics of the material is slim and graceful, and the structure is simple and convenient, safe and reliable, easily operation.

Description

Manhole cat ladder on collapsible roofing

Technical Field

The utility model relates to a cat ladder, concretely relates to manhole cat ladder on collapsible roofing.

Background

Some common projects such as residential buildings and teaching buildings have non-accessible roofs. The access to the non-accessible roof is often connected to the manhole by a simple steel ladder, which is generally only as high as the manhole. When the maintainer goes up the unmanned roofing, there is the operation inconvenient and certain potential safety hazard between the roofing to the top of steel cat ladder.

Disclosure of Invention

Technical problem to prior art exists, the utility model provides a manhole cat ladder on collapsible roofing to remedy the shortcoming that manhole cat ladder exists on the current roofing.

The utility model provides a pair of manhole cat ladder on collapsible roofing, the cat ladder includes: a straight ladder and a ladder sleeve; the ladder sleeve is sleeved on the straight ladder and detachably connected with the straight ladder; the cross section of the ladder sleeve is C-shaped; the upper end of the ladder sleeve is connected with the upper end of the straight ladder through the anti-falling chain.

Preferably, a plurality of first pin holes are formed in both sides of the straight ladder, and a plurality of second pin holes are formed in both sides of the ladder sleeve; the first pin hole is connected with the second pin hole through a pin.

Preferably, the pin is connected with the ladder sleeve by a chain.

Preferably, the chain is disposed outside the second pin hole.

Preferably, the distance between the plurality of first pin holes is the same as the distance between the plurality of second pin holes.

Preferably, the ladder sleeve is made of aluminum alloy materials.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses adjust relative position through the pin between well ladder cover and the vertical ladder to form a collapsible cat ladder, and the ladder cover adopts aluminium alloy material to make, have that the material is slim and graceful, and the structure is simple and convenient, safe and reliable, the characteristics of easily operating, the non-roofing manhole of going up people of specially adapted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Wherein, 1, a straight ladder; 2. a ladder sleeve; 3. a first pin hole; 4. a second pin hole; 5. a pin; 6. a chain; 7. an anti-falling chain.

Detailed Description

The following examples are provided for better understanding of the present invention, and are not limited to the best mode, and do not limit the scope and content of the present invention, and any product that is the same or similar to the present invention, which is obtained by combining the features of the present invention with other prior art or the present invention, falls within the scope of the present invention.

Examples

Referring to fig. 1-2, a collapsible manhole ladder comprising: a straight ladder 1 and a ladder sleeve 2; the ladder sleeve 2 is made of aluminum alloy materials, the cross section of the ladder sleeve 2 is C-shaped, the ladder sleeve 2 is sleeved on two main beams of the straight ladder 1, first pin holes 3 which are uniformly distributed are formed in two side parts of the straight ladder 1, and second pin holes 4 which are uniformly distributed are formed in two side parts of the ladder sleeve 2; the first pin holes 3 are connected with the second pin holes 4 through pins 5, the pins 5 are connected with the ladder sleeve 2 through chains 6, the chains 6 are arranged on the outer side of the second pin holes 4, and the distance between the first pin holes 3 is the same as that between the second pin holes 4; the upper end of the ladder sleeve 2 is connected with the upper end of the straight ladder 1 through the anti-falling chain 7 so as to prevent the ladder sleeve 2 from sliding down and ensure the safety of the ladder sleeve 2.

Relative position is adjusted through pin 5 between ladder cover 2 and the vertical ladder 1 in this embodiment to form a collapsible cat ladder, and ladder cover 2 adopts aluminum alloy material to make, have that the material is light and graceful, and the structure is simple and convenient, safe and reliable, the characteristics of easily operating, the specially adapted roofing manhole of non-expert.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A manhole cat ladder on collapsible roofing, its characterized in that, the cat ladder includes: a straight ladder and a ladder sleeve; the ladder sleeve is sleeved on the straight ladder and detachably connected with the straight ladder; the cross section of the ladder sleeve is C-shaped; the upper end of the ladder sleeve is connected with the upper end of the straight ladder through the anti-falling chain.

2. The collapsible manhole ladder as claimed in claim 1, wherein the vertical ladder is provided with a plurality of first pin holes on both sides, and the ladder sleeve is provided with a plurality of second pin holes on both sides; the first pin hole is connected with the second pin hole through a pin.

3. A collapsible above-roof manhole ladder as claimed in claim 2, wherein the pin is connected to the ladder sleeve by a chain.

4. A collapsible above-roof manhole ladder as claimed in claim 3, wherein the chain is located outboard of the second pin hole.

5. A collapsible above-roof manhole ladder as claimed in claim 2, wherein the first plurality of pin holes are spaced apart by the same distance as the second plurality of pin holes.

6. A collapsible rooftop manhole ladder as set forth in claim 1, wherein said ladder sleeve is made of aluminum alloy material.