Title:
TRAVELING DEVICE OF WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/070242
Kind Code:
A1
Abstract:
A traveling device (11) comprises: a coupling (38) that joins a motor shaft (14) and a rotating shaft (15) together; a coupling housing (46) that fits on an outer peripheral surface of the coupling (38); a coupling oil passage (43) that is provided in the coupling (38) to supply a lubricating oil (L) to spline joints (39A), (40A) between the motor shaft (14) and the rotating shaft (15) and the coupling (38); and a housing oil passage (47) that is provided in the coupling housing (46) to guide some of the lubricating oil (L) to the coupling oil passage (43). The coupling housing (46) has a reservoir (50) storing the lubricating oil (L) that is supplied to the spline joints (39A), (40A) between the motor shaft (14) and rotating shaft (15) and the coupling (38). The oil reservoir (50) is shaped to have a larger capacity in a portion located on the radially upper side of the coupling housing (46).
Inventors:
KAWADA RIO (JP)
IWABUCHI YUUTAROU (JP)
SATOU TAKAHIRO (JP)
UCHINO TETSUROU (JP)
TAKESHITA DAISUKE (JP)
IWABUCHI YUUTAROU (JP)
SATOU TAKAHIRO (JP)
UCHINO TETSUROU (JP)
TAKESHITA DAISUKE (JP)
Application Number:
PCT/JP2023/028743
Publication Date:
April 04, 2024
Filing Date:
August 07, 2023
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
F16H57/04; B60L15/00; F16D1/02; H02K7/116
Foreign References:
| JP2019002419A | 2019-01-10 | |||
| JP2011042322A | 2011-03-03 | |||
| US20120219351A1 | 2012-08-30 |
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
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