A movable maintenance platform for a flexible direct current converter valve with a rotating guard mobile ladder

By designing a maintenance platform with rotating guardrails and mobile ladders on the flexible DC transmission converter valve tower, the problems of low operation and maintenance efficiency and insufficient safety have been solved, enabling fast and safe operation and maintenance, and adapting to the operation and maintenance needs of flexible DC converter valve towers with different structures.

CN122106386APending Publication Date: 2026-05-29CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD +1
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
Filing Date
2026-03-20
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The existing flexible DC transmission converter valve towers have low operation and maintenance efficiency, insufficient personnel safety, and require frequent use of lifting vehicles, which affects work efficiency.

Method used

A maintenance platform with rotating guardrails and movable ladders was designed. The maintenance passage adopts a multi-layer structure, combined with fixed and rotating guardrails and sliding covers to achieve rapid passage and safety protection. The ladder structure is lightweight and made of insulating materials, which can adapt to flexible DC converter valve towers of different heights and layouts.

Benefits of technology

It improves operation and maintenance efficiency, reduces reliance on lifting vehicles, ensures the safety of operation and maintenance personnel and the complete protection of the work area, adapts to the operation and maintenance needs of converter valves with different structures, and meets the needs of multiple people working at the same time.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122106386A_ABST
    Figure CN122106386A_ABST
Patent Text Reader

Abstract

The present application belongs to the field of flexible direct current transmission converter valve maintenance, and particularly relates to a mobile climbing ladder flexible direct current converter valve maintenance platform with a rotary guardrail, comprising a maintenance channel, a channel connecting structure, a guardrail, and a climbing ladder for passing between upper and lower layers; the maintenance channel is a multilayer structure, and each layer of the maintenance channel is a multisection structure, with sections connected through the channel connecting structure; each layer of the maintenance channel is connected with the guardrail at both ends; a climbing ladder is installed between adjacent two layers of the maintenance channel; the guardrail comprises a fixed guardrail and a rotary guardrail; the fixed guardrail and the rotary guardrail are both made of resin insulating material. The present application builds an efficient, safe and flexible flexible direct current converter valve tower operation and maintenance system. The overall structure is flexible, which improves the operation and maintenance efficiency and operation safety, and meets the operation and maintenance of converter valves with different structures.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • In-tower replacement method of ultrahigh-pressure flexible direct-current converter valve power module

    CN111146719A