Title:
COUNTERWEIGHT SYSTEM AND TOWER CRANE
Document Type and Number:
WIPO Patent Application WO/2024/055830
Kind Code:
A1
Abstract:
A counterweight system and a tower crane, the counterweight system comprising a boom, and the boom comprising a crane arm (1) and a balance arm (2). A fixed counterweight (3) is mounted on the balance arm (2), and a movable counterweight (4) is mounted on the boom. The movable counterweight (4) is provided with a roller (41) that guides the movable counterweight (4) to move, and the boom is provided with a channel for the movable counterweight (4) to pass through. The movable counterweight (4) is connected to a traction mechanism so as to drive the movable counterweight (4) to reciprocate on the crane arm (1) and the balance arm (2).
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| JPS59207394 | ULTRA-LARGE CRANE |
Inventors:
YU LEKANG (CN)
SUN XUGUO (CN)
LI GUIFANG (CN)
SUN XUGUO (CN)
LI GUIFANG (CN)
Application Number:
PCT/CN2023/114601
Publication Date:
March 21, 2024
Filing Date:
August 24, 2023
Export Citation:
Assignee:
ZOOMLION CONSTRUCTION HOISTING MACHINERY CO LTD (CN)
International Classes:
B66C23/76
Foreign References:
| CN218088688U | 2022-12-20 | |||
| CN115535887A | 2022-12-30 | |||
| CN106517005A | 2017-03-22 | |||
| CN202016814U | 2011-10-26 | |||
| CN1837011A | 2006-09-27 | |||
| JP2000191280A | 2000-07-11 |
Attorney, Agent or Firm:
RUNPING & PARTNERS (CN)
Download PDF:
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