COUNTERWEIGHT SYSTEM AND TOWER CRANE
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 p...
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| Format: | Patent |
| Sprache: | chi ; eng ; fre |
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| Zusammenfassung: | 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).
Système de contrepoids et grue à tour, le système de contrepoids comprenant une flèche, et la flèche comprenant un bras de grue (1) et un bras d'équilibrage (2). Un contrepoids fixe (3) est monté sur le bras d'équilibrage (2) et un contrepoids mobile (4) est monté sur la flèche. Le contrepoids mobile (4) est pourvu d'un rouleau (41) qui guide le contrepoids mobile (4) à se déplac |
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