Title:
電動ウインチ装置及び移動式クレーン
Document Type and Number:
Japanese Patent JP6688596
Kind Code:
B2
Abstract:
The electrically driven winch device (1) is provided with a winch drum (2), a plurality of axial-gap electric motors (3A, 3B), and a drive shaft (4). The winch drum (2) rotates around a drum axis (AX2) in order to wind or unwind a work rope (W). The plurality of electric motors (3A, 3B) are electric motors configured to drive the winch drum (2) to rotate, and are each provided with a stator (S), and rotors (R1, R2) which rotate around a rotation axis (AX1) and are disposed at an axial distance from the stator. The drive shaft (4) is disposed coaxially with the drum axis (AX2) and serially connects the rotors (R1, R2) of the plurality of electric motors (3A, 3B) on the rotation axis (AX1).
Inventors:
Takayuki Hikata
Koji Inoue
Hiroaki Kawai
Shintaro Sasai
Tetsuya Ogawa
Toshiro Yamashita
Koji Inoue
Hiroaki Kawai
Shintaro Sasai
Tetsuya Ogawa
Toshiro Yamashita
Application Number:
JP2015215731A
Publication Date:
April 28, 2020
Filing Date:
November 02, 2015
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
Kobelco Construction Machinery Co., Ltd.
Kobelco Construction Machinery Co., Ltd.
International Classes:
B66D1/12; B66C23/36
Domestic Patent References:
| JP2008005655A | ||||
| JP8251847A | ||||
| JP2007244004A | ||||
| JP200927904A |
Foreign References:
| WO2006068042A1 | ||||
| WO2015163137A1 |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Haruhiro Hirata
Masataka Otani
Haruhiro Hirata