CN203674618U - Dedicated ladder facilitating operation of 220 KV/ 66 KV in-and-out wire - Google Patents

Abstract

The utility model relates to a dedicated ladder facilitating operation of 220 KV/ 66 KV in-and-out wire, which is characterized by comprising a folding ladder body, on the top of the ladder body is fixed with a hook provided with a thread locking device. By adopting the lifting method employing the ladder body instead of a rope, time and effort are saved. The top of the ladder body is provided with the hook cooperated with a metal cross arm and locked with a locking device, so that working security is enhanced. Due to the folding ladder body, the dedicated ladder is convenient to carry and use.

Description

220KV/66KV special ladder for incoming and outgoing conductors

technical field

The utility model relates to an auxiliary tool for operation on a tower, in particular to a special climbing ladder for 220KV/66KV lead wires in and out.

Background technique

At present, when carrying out work or maintenance on the wires entering and exiting the poles and towers on both sides of the transformer main and transformer lines, operators usually use ropes as hanging loops to hang on the metal cross-arms of the iron tower, and then lift them to the top of the iron tower by ropes. The process is time-consuming and expensive. It is laborious, and there is a potential safety hazard at the same time, which is not conducive to the smooth progress of the operations on the tower.

Contents of the invention

The purpose of this utility model is to provide a special climbing ladder for 220KV/66KV wires entering and exiting, which solves the above problems and significantly improves the working efficiency and safety factor.

The technical scheme of the utility model is:

A special climbing ladder for 220KV/66KV incoming and outgoing conductors. Its special feature is that it has a foldable ladder body, a hook is fixed on the top of the ladder body, and a threaded locking device is provided on the hook.

The ladder body has two channel steel pillars and a plurality of beams connected between the two pillars.

The thread locking device is composed of a threaded column, a tightening part arranged at one end of the threaded column and a handle arranged at the other end of the threaded column, and the tightening part is placed inside the hook.

The beneficial effects of the utility model are:

1. Since the ladder is used as a climbing tool, instead of the rope lifting method, time and effort are saved;

2. Since the hook on the top of the ladder is matched with the metal cross arm of the iron tower and locked by the locking device, the operation safety is enhanced;

3. Since the ladder body is foldable, it is easy to carry and use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is a schematic diagram of the folded state of the utility model.

In the figure: ladder body 1, pillar 101, beam 102, thread locking device 3, thread column 301, top tightening part 302, handle 303.

Detailed ways

As shown in the figure, the 220KV/66KV special ladder for entering and exiting wires has a folding ladder body 1 connected by a hinge shaft 4, the ladder body 1 is made of aluminum alloy material, and the ladder body 1 has two channel steel pillars 101 and a plurality of beams 102 connected between the two pillars 101, the top ends of the two pillars 101 are fixed with a metal hook 2, and the hook 2 is provided with a threaded locking device 3. The threaded locking device 3 is composed of a threaded column 301 , a tightening part 302 arranged at one end of the threaded column 301 and a handle 303 arranged at the other end of the threaded column 301 , and the tightening part 302 is placed inside the hook 2 . During use, first hang the hook 2 on the metal cross arm of the iron tower, then turn the handle 303 of the threaded locking device 3, so that the top tight part 302 closely cooperates with the contact surface of the metal cross arm to realize locking.

Claims (3)

1. a 220KV/66KV turnover wire special ladder, is characterized in that: it has collapsible ladder body, and described terraced body top is fixed with hook, and described hook is provided with screw-threaded coupling device.

2. 220KV/66KV turnover wire special ladder according to claim 1, is characterized in that: described terraced body has two channel-section steel shape pillars and is connected to the multiple crossbeams between two pillars.

3. 220KV/66KV turnover wire special ladder according to claim 1, it is characterized in that: described screw-threaded coupling device is made up of threaded post, the handle being located at the portion that holds out against of threaded post one end and being located at the threaded post other end, described in hold out against and deploy in described hook inner side.

Images