Title:
LIFTING DEVICE
Document Type and Number:
Japanese Patent JP3783719
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lifting device having a structure of facilitating the replacement work of a detecting device in hoisting equipment.
SOLUTION: In the lifting device comprising a traction sheave 7 driven by a permanent magnet-type electric motor, a hoisting rope wound to the traction sheave 7, and a cage hoisted by the hoisting rope so as to be liftable, the inside of a support shaft 21 of the permanent magnet-type electric motor is formed with a space 21a, detecting equipment including the detecting device 29b for detecting at least the position of a magnetic pole of the permanent magnet-type electric motor is installed inside the space 21a.
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Inventors:
Hideki Nihei
Sakai Kichi Man
Hiromi Itada
Sakai Kichi Man
Hiromi Itada
Application Number:
JP2004123612A
Publication Date:
June 07, 2006
Filing Date:
April 20, 2004
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B66B1/30; B66B11/08; H02K11/00; (IPC1-7): H02K11/00; B66B1/30
Domestic Patent References:
| JP7117957A | ||||
| JP60151267U | ||||
| JP57141670U | ||||
| JP9263367A | ||||
| JP60034344B2 | ||||
| JP2000072345A | ||||
| JP3297785A | ||||
| JP3074158A | ||||
| JP8093681A | ||||
| JP57141670U |
Attorney, Agent or Firm:
Yasuo Sakuta