Title:
CRANE
Document Type and Number:
Japanese Patent JP3268262
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a crane which can give various actions to a hoisting accessory by a simple structure.
SOLUTION: A crane comprises a portal frame 1 movable to travel by a traveling device 2, traverse trolley 4 movable to traverse along a rail 3 on the frame 1, hoist drums 5a to 5d provided in a sill beam 1b of the frame 1, frame use guide sheaves 7a to 7d provided in a beam 1c of the frame 1, trolley guide sheaves 8a to 8d respectively provided in moving direction both end sides of the traverse trolley 4, hoisting accessory 10 arranged under the traverse trolley 4, hoisting accessory guide sheaves 9a to 9d provided in the hoisting accessory 10, hoisting ropes 6a to 6d respectively wound to the hoisting drums 5a to 5d to connection mount a tip end in the traverse trolley 4 through the frame use guide sheaves 7a to 7d, trolley guide sheaves 8a to 8d, and the hoisting accessory guide sheaves 9a to 9d, and lock devices 20a to 20d provided in the traverse trolley 4 to respectively individually brake movement of the hoisting ropes 6a to 6d.
Inventors:
Muramoto, Hiroki
Yasunaga, Kazuyuki
Shimizu, Masayuki
Yasunaga, Kazuyuki
Shimizu, Masayuki
Application Number:
JP1998000059304
Publication Date:
January 11, 2002
Filing Date:
March 11, 1998
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B66C5/02; B66C11/16; B66C19/00; B66C5/00; B66C11/00; B66C19/00; (IPC1-7): B66C11/16; B66C19/00