Provided is a handrail device in first and second unit booms adjacent to each other, having high strength. The handrail device includes: a pair of first poles; a pair of second poles; a first main rope stretched between the pair of first poles; a second safety line stretched between the pair of second poles; a first pole support member and a second pole support member that support the first poles and the second poles, respectively; first and second connection member; a first stay rope stretched between the first pole and the second connection member; and a second stay rope stretched between the second pole and the first connection member. The first pole support member and the first connection member are fixed to a common first fixation member, and a second pole support member and the second connection member are fixed to a common second fixation member.
HANDRAIL DEVICE AND WORK MACHINE COMPRISING SAME
2022-10-27
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
Supporting apparatus of temporary handrail and temporary handrail comprising the same
European Patent Office | 2017
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