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electric maintenance ladder

An electric power maintenance and cable technology, applied in the field of electric power maintenance ladders, can solve problems such as inconvenience in use, and achieve the effects of increasing service life, increasing adsorption force, and good insulation performance

Active Publication Date: 2019-02-22
国网河南省电力公司超高压公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this device can only perform braking operation after maintenance personnel need to board the ladder, which is inconvenient to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figure 1-3 shown, where in order to be compatible with figure 1 Corresponding, Figure 2-3 The left side is defined as the front end, and the right side is defined as the rear end. An electric maintenance ladder includes two cables 1 and a plurality of pedals 2 fixed between the cables 1 . Wherein two cables 1 tops fix two hanging heads 3 respectively, and hanging head 3 comprises inverted U-shaped hook 21 and is fixed in the pulley 4 in inverted U-shaped hook 21, and wherein hanging head 3 sides fix braking device 5, wherein Hanging head 3 and braking device 5 bottoms are all provided with threaded holes, and the fixing plate of bolt is set and hanging head 3 and braking device 5 are fixed together, and pulley 4 can slide on cable 23.

[0034]The brake device 5 comprises an inverted U-shaped hook two 6 and a fixed block 7 fixed on the inverted U-shaped hook two 6 rear ends, wherein the U-shaped hook two 6 and the fixed block 7 are fixed by welding, and the i...

Embodiment 2

[0045] The structure of embodiment 2 is the same as that of embodiment 1, the difference is:

[0046] In the present invention, the surfaces of the hanger 3 and the braking device 5 are all sprayed with insulating and wear-resistant coatings, and the surfaces of the hanging head 3 and the braking device 5 are all sprayed with insulating and wear-resistant coatings. The insulating and wear-resistant coating is made of the following raw materials in parts by weight: 35 parts of acrylic emulsion, 32 parts of epoxy resin, 9 parts of silica sol, 11 parts of oxalic acid polyester, 6 parts of silicon nitride, and 5 parts of nano silicon dioxide , 13 parts of nitrile rubber powder, 4 parts of polyethylene glycol octyl phenyl ether, 4 parts of sodium lignosulfonate, 18 parts of solvent and 8 parts of water.

[0047] The solvent is a mixture of ethanol and toluene at a volume ratio of 1:1.5.

[0048] The insulating wear-resistant coating is prepared by the following steps:

[0049] (1...

Embodiment 3

[0053] The structure of embodiment 3 is the same as that of embodiment 1, the difference is:

[0054] In the present invention, the surfaces of the hanger 3 and the braking device 5 are all sprayed with insulating and wear-resistant coatings, and the surfaces of the hanging head 3 and the braking device 5 are all sprayed with insulating and wear-resistant coatings. The insulating wear-resistant coating is made of the following raw materials in parts by weight: 36 parts of acrylic emulsion, 30 parts of epoxy resin, 10 parts of silica sol, 10 parts of oxalic acid polyester, 7 parts of silicon nitride, and 4 parts of nano silicon dioxide , 14 parts of nitrile rubber powder, 3 parts of polyethylene glycol octyl phenyl ether, 5 parts of sodium lignosulfonate, 16 parts of solvent and 9 parts of water.

[0055] The solvent is a mixture of ethanol and toluene at a volume ratio of 1:2.

[0056] The insulating wear-resistant coating is prepared by the following steps:

[0057] (1) Mix...

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Abstract

The invention discloses an electric power overhauling ladder, and belongs to the technical field of electric power cable overhauling. The electric power overhauling ladder comprises two cables and a plurality of pedals fixed between the cables, and two hanging heads are fixed to the top end of each cable; each hanging head comprises a first inverted-U-shaped hook and a pulley arranged in the firstinverted-U-shaped hook, and a braking device is arranged on the side edge of each hanging head; a first pulling rope and a second pulling rope are adopted to start the braking devices before an overhauling worker does not climb the rope ladder; and the electric power overhauling ladder is fixed to a cable to avoid sliding, so that overhauling operation is more safe, and the surfaces of the hanging heads and the braking devices are sprayed with insulation wear-resistant coating, so that the service life is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of power cable maintenance, in particular to an electric power maintenance ladder. Background technique [0002] Insulated soft ladders are often used during the maintenance of power cables. The soft ladders of this kind of insulating soft ladders are usually U-shaped hooks. There are pulleys inside the U-shaped hooks, which can be hung on the line or slide along the line. It is more convenient to use, but if the maintenance personnel need to stop on a certain line for operation, this soft ladder head is also easy to slide along the line by itself, which brings inconvenience to the normal operation of the operator. The prior art improves the structure of the insulating ladder. [0003] Chinese Patent Announcement No. CN201378704Y discloses a special hanging ladder for electric power maintenance, which is composed of a soft ladder and a hanging head. The hanging head is an insulated single-wheel block, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E06C1/36E06C1/56E06C7/50C09D163/00C09D133/00C09D167/00C09D109/02C09D171/02C09D197/00C09D5/25C09D7/61C09D7/20
CPCC08K2201/011C08K2201/014C08L2205/035C09D133/00C09D163/00E06C1/36E06C1/56E06C7/505C08L33/00C08L67/00C08L9/02C08L71/02C08L97/00C08K3/36C08K3/34C08L63/00
Inventor 张利王来军张华申晓春
Owner 国网河南省电力公司超高压公司
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