Title:
HYDRAULIC SHOVEL
Document Type and Number:
WIPO Patent Application WO/2020/188981
Kind Code:
A1
Abstract:
A hydraulic shovel that has an attachment cylinder 26 disposed on the back side of an arm 22 and has a tube 26a of the attachment cylinder rotatably connected to the arm via a foot pin 26c, wherein: the hydraulic shovel comprises an angle sensor 31 serving to measure the attachment angle, disposed adjacent to the attachment cylinder tube, and installed within the width of the back side face of the arm, a first link 32 that is fixed to the angle sensor, and a second link 33 connecting the attachment cylinder tube and the first link and disposed closer to the attachment side than the angle sensor; and the hydraulic shovel is configured so that the turning angle θ1 of the attachment cylinder is amplified and transmitted to the angle sensor 31.
Inventors:
TAKAGI DAISUKE (JP)
MAEHARA YUUJI (JP)
MAEHARA YUUJI (JP)
Application Number:
PCT/JP2020/001310
Publication Date:
September 24, 2020
Filing Date:
January 16, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F3/36; E02F9/24
Domestic Patent References:
| WO2017170243A1 | 2017-10-05 |
Foreign References:
| JPH078457U | 1995-02-07 | |||
| JP2004174452A | 2004-06-24 | |||
| JPH10222294A | 1998-08-21 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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