Title:
HOLLOWED-OUT BOOM SEGMENT, SEGMENTED TYPE BOOM, AND BOOM ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2023/185528
Kind Code:
A1
Abstract:
The present invention relates to the field of boom structures. Disclosed are a hollowed-out boom segment, a segmented type boom, and a boom assembly. The hollowed-out boom segment comprises a hollowed-out boom segment main body and a plurality of reinforcing structures; a cavity is formed in the hollowed-out boom segment main body, the cavity is formed in a length direction of the hollowed-out boom segment main body, and the plurality of reinforcing structures are fixed in the cavity at intervals in the length direction of the hollowed-out boom segment main body; a plurality of first weight reduction holes and a plurality of second weight reduction holes are formed in the two opposite sides of the hollowed-out boom segment main body, and the first weight reduction holes and the second weight reduction holes are communicate with the cavity, the shape of each first weight reduction hole is different from that of each second weight reduction hole, and the plurality of first weight reduction holes and the plurality of second weight reduction holes are arranged in the length direction of the hollowed-out boom segment main body. According to the hollowed-out boom segment in the present invention, the problems of insufficient rigidity and easy instability can be solved, the stability is improved, and application requirements of different projects can be met.
Inventors:
HUANG JIANBING (CN)
GAO RONGZHI (CN)
XIAO LIBO (CN)
XU NING (CN)
NIE YIBIAO (CN)
GAO RONGZHI (CN)
XIAO LIBO (CN)
XU NING (CN)
NIE YIBIAO (CN)
Application Number:
PCT/CN2023/082556
Publication Date:
October 05, 2023
Filing Date:
March 20, 2023
Export Citation:
Assignee:
ZOOMLION HEAVY INDUSTRY SCIENCE AND TECH CO LTD (CN)
International Classes:
E01D19/10; E01H1/00; E04G21/04
Foreign References:
| CN217104860U | 2022-08-02 | |||
| CN212834980U | 2021-03-30 | |||
| CN203487788U | 2014-03-19 | |||
| CN213477677U | 2021-06-18 | |||
| CN212372218U | 2021-01-19 | |||
| JP2007291670A | 2007-11-08 | |||
| JPH11200397A | 1999-07-27 |
Attorney, Agent or Firm:
RUNPING & PARTNERS (CN)
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