Title:
SAFE AND CONVENIENT SUSPENSION BRIDGE-TYPE LADDER DEVICE SUITABLE FOR UNMANNED PLATFORM
Document Type and Number:
WIPO Patent Application WO/2024/007382
Kind Code:
A1
Abstract:
The present utility model relates to the technical field of unmanned platforms, and in particular, to a safe and convenient suspension bridge-type ladder device suitable for an unmanned platform. According to the technical solution, the ladder device comprises a pulley, a rotating roller, a ladder body, a housing, limiting slots, fixing plates, a fixing frame, and a mounting frame; the fixing frame is welded to the front surface of the housing; climbing rods are welded in the fixing frame; a bottom plate is welded to the lower surface of the housing; a through slot is formed in the lower surface of the housing; the limiting slots are formed in the bottom plate; fixing bolts are threadedly connected in the limiting slots; a fixing rod is welded to the inner wall of the housing; the rotating roller is rotatably connected to the outer surface of the fixing rod; the ladder body is wound on the outer surface of the rotating roller; a support rod is welded in the ladder body; the mounting frame is welded to the inner wall of the housing; a rotating rod is rotatably connected to the interior of the mounting frame; and the pulley is rotatably connected to the outer surface of the rotating rod. The present utility model can be retracted to prevent a person from entering by mistake.
Inventors:
MA LIJUN (CN)
ZHANG MENG (CN)
LIANG YANG (CN)
ZHANG MENG (CN)
LIANG YANG (CN)
Application Number:
PCT/CN2022/108595
Publication Date:
January 11, 2024
Filing Date:
July 28, 2022
Export Citation:
Assignee:
TIANJIN YIBINDING OILFIELD ENGINEERING TECH CO LTD (CN)
International Classes:
E06C9/14
Foreign References:
| CN214886807U | 2021-11-26 | |||
| GB115766A | 1918-05-23 | |||
| CN108729848A | 2018-11-02 | |||
| CN114294628A | 2022-04-08 | |||
| CN114380161A | 2022-04-22 | |||
| CN207452685U | 2018-06-05 | |||
| CN208763583U | 2019-04-19 | |||
| CN211524695U | 2020-09-18 | |||
| CN215292320U | 2021-12-24 |
Attorney, Agent or Firm:
BEIJING IPAIDER INTELLECTUAL PROPERTY AGENCY FIRM (GENERAL PARTNERSHIP) (CN)
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