CN211851643U

CN211851643U - Ensure insulating single ladder angle limiter of safe handling

Info

Publication number: CN211851643U
Application number: CN201921852546.4U
Authority: CN
Inventors: 高潮; 蒋林高; 陈闽江; 陈栩; 徐密霞; 黄书民; 林愫
Original assignee: State Grid Fujian Electric Power Co Ltd; Maintenance Branch of State Grid Fujian Electric Power Co Ltd
Current assignee: State Grid Fujian Electric Power Co Ltd; Maintenance Branch of State Grid Fujian Electric Power Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-11-03
Anticipated expiration: 2029-10-31

Abstract

The utility model provides an ensure angle limiter of insulating single ladder safe handling, the lower part both sides including the vertical ladder body have the opening, vertical ladder lower part cavity just articulates through the torsional spring has first restriction lever and the second restriction lever that can extend to both sides respectively, the lower edge of first restriction lever and second restriction lever after the expansion leans on in the opening edge, the vertical ladder bottom surface is 60 contained angles with the vertical ladder handrail, the lower edge under first restriction lever and the second restriction lever expansion state is 5 with vertical ladder bottom surface contained angle, the utility model discloses simple structure can conveniently realize guaranteeing the accurate compound safety regulation of vertical ladder position with the observation of naked eye to the vertical ladder angle.

Description

Ensure insulating single ladder angle limiter of safe handling

Technical Field

The utility model relates to an ensure angle limiter of insulating single ladder safe handling.

Background

Electric power safety regulation: when the single ladder is used for working, the inclination angle between the ladder and the ground is about 60 degrees, when a worker places the single ladder, if the worker does not pay attention to the placing angle, the ladder can be turned backwards if the angle is larger than the angle after the worker climbs the single ladder, and the ladder can collapse if the angle is smaller than the angle, so that the risk that a worker working on the ladder falls from a high place is caused. Currently, when a worker places a single ladder, the angle is grasped mainly by visually observing the placing angle of the single ladder, the placing angle is generally controlled to be 55-65 degrees, and not all workers can be placed at the correct angle under the influence of the working experience of the workers; in addition, not all staff have enough safety consciousness, and some staff think that there is nothing to do, can put the single ladder at will angle, cause danger easily.

Disclosure of Invention

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that current vertical ladder is put unable audio-visual looking over and is put the angle, leads to the safety problem to appear easily.

The utility model discloses a concrete implementation scheme is: the utility model provides an ensure angle limiter that insulating single ladder safety used, has the opening including the lower part both sides of straight ladder body, straight ladder lower part cavity just articulates through the torsional spring has first restriction lever and the second restriction lever that can extend to both sides respectively, the lower edge of first restriction lever and second restriction lever after the expansion leans on in the opening edge, straight ladder bottom surface is 60 contained angles with straight ladder handrail, first restriction lever and second restriction lever expand down along with straight ladder bottom surface contained angle under the state and be 5.

Furthermore, an insulating anti-skidding sleeve is fixed at the bottom of the straight ladder body.

Further, the lower part of vertical ladder body has the inserted bar that the side direction inserted inside, the inserted bar tip has the button, the button is through compression spring and vertical ladder lateral part fixed connection, have on the inserted bar and realize hooking in first restriction lever and second restriction lever clip that its springback was prevented in the cooperation of angle limiter respectively first clip and second clip.

Furthermore, the first hook and the second hook are in a crutch shape, the first hook and the second hook are arranged from the outside to the inside, and the length of the second hook is longer than that of the first hook.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses simple structure can conveniently realize guaranteeing the accurate compound safety regulation in vertical ladder position with the observation of naked eye to the vertical ladder angle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of an internal structure of a second storage mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic view of an internal structure of a second storage mechanism according to an embodiment of the present invention (the first limiting rod is popped up and the second limiting rod is not popped up).

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, an angle limiter for ensuring safe use of an insulating single ladder comprises an opening 110 arranged on two sides of the lower portion of a straight ladder body 10, a first limiting rod 210 and a second limiting rod 220 which can extend to two sides respectively and are hinged to the hollow lower portion of the straight ladder body through a torsion spring 111, the lower edges of the first limiting rod and the second limiting rod after being unfolded lean against the edge of the opening, the bottom surface of the straight ladder and the side portion of a handrail of the straight ladder form a 60-degree included angle, an included angle is arranged at a position A in fig. 1, the lower edges of the first limiting rod and the second limiting rod in an unfolding state form and the bottom surface of the straight ladder form a 5-degree included angle, and an included angle is arranged at.

In this embodiment, the lower portions of the first limiting rod 210 and the second limiting rod 220 are hinged through the penetrating rotating shaft 101, the straight ladder body is hinged with the first limiting rod 210 and the second limiting rod 220 through the torsion springs, and the first limiting rod 210 and the second limiting rod 220 can be guaranteed to be capable of abutting against the edge, so that the first limiting rod 210 and the second limiting rod 220 can be guaranteed to be attached to the edge of the opening and to be 5 degrees to the ground of the straight ladder body.

In order to fix the insulating anti-skid sleeve 102 at the bottom of the straight ladder body, the insulating anti-skid sleeve is made of insulating materials, so that anti-skid and insulation can be guaranteed.

In the second embodiment, in order to avoid scratching or poking a worker by a long limiting rod, the first limiting rod 210 and the second limiting rod 220 can be stored inside the vertical ladder during storage and transportation, a storage mechanism is further designed, the storage mechanism includes an insertion rod 30 laterally inserted into the vertical ladder body at the lower part of the vertical ladder body, a button 310 is arranged at the end of the insertion rod, the button is fixedly connected with the side part of the vertical ladder through a compression spring 320, the compression spring 320 ensures that the button 310 and the insertion rod apply force in the outward direction for limiting, and a first hook 410 and a second hook 420 which can be matched with an angle limiter to realize hooking the hooks of the first limiting rod 210 and the second limiting rod 220 respectively to prevent the hooks from rebounding are arranged on the insertion rod.

In this embodiment, the first hook 410 and the second hook 420 are in a shape of a crutch, and the first hook 410 and the second hook 420 are disposed from outside to inside, and the length of the second hook is longer than that of the first hook, so that the first limiting rod 210 and the second limiting rod 220 can be fixed one by one according to the requirement, and the first limiting rod 210 and the second limiting rod 220 can be separated and fixed one by pressing the depth of the button 310 during pressing.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides an ensure angle limiter that insulating single ladder safety used, its characterized in that has the opening including the lower part both sides of straight ladder body, straight ladder lower part cavity just articulates through the torsional spring has first restriction lever and the second restriction lever that can extend to both sides respectively, and the lower edge of first restriction lever and second restriction lever after the expansion leans on in the opening edge, straight ladder bottom surface is 60 contained angles with straight ladder handrail lateral part, the lower edge under first restriction lever and the second restriction lever expansion state is 5 with straight ladder bottom surface contained angle.

2. The angle limiter of claim 1, wherein an insulating anti-slip sleeve is fixed to the bottom of the vertical ladder body.

3. The angle limiter of claim 1, wherein the lower portion of the vertical ladder body has an insertion rod inserted into the vertical ladder body, the end of the insertion rod has a button, the button is fixedly connected to the side portion of the vertical ladder through a compression spring, and the insertion rod has a first hook and a second hook capable of cooperating with the angle limiter to hook the first limiting rod and the second limiting rod respectively to prevent the first limiting rod and the second limiting rod from rebounding.

4. The angle limiter as claimed in claim 3, wherein the first and second hooks are in the shape of a crutch, the first and second hooks are disposed from outside to inside, and the second hook is longer than the first hook.