Title:
SWING LOCK DEVICE FOR CONSTRUCTION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2014/112672
Kind Code:
A1
Abstract:
Disclosed is a swing lock device for construction equipment which allows an operator inside a cabin to check whether a locking device for locking a swing device is locked or unlocked or to operate the locking of the locking device. Provided is a swing lock device for construction equipment, comprising: a lower travel body; an upper swiveling body which is pivotally mounted on the lower travel body by a swing device; a ring gear for locking the swing device formed on an outer surface of a ring gear for the swing device forming the swing device; an actuator for engaging or disengaging a locking gear that is formed correspondingly so as to be tooth-engaged with the ring gear for locking the swing device and fixed to a cylinder rod; an alignment setting checking sensor for detecting whether setting has been completed by a tooth engagement between the ring gear for locking the swing device and the locking gear due to the drive of the actuator; and a swing lock/unlock detecting sensor for detecting a swing lock state in which the locking gear is engaged into the ring gear for locking the swing device due to the drive of the actuator, or a swing unlock state in which the locking gear is disengaged from the ring gear for locking the swing device.
Inventors:
LEE SANG-PIL (KR)
MIN GYEONG-MO (KR)
MIN GYEONG-MO (KR)
Application Number:
PCT/KR2013/000482
Publication Date:
July 24, 2014
Filing Date:
January 21, 2013
Export Citation:
Assignee:
VOLVO CONSTR EQUIP AB (SE)
LEE SANG-PIL (KR)
MIN GYEONG-MO (KR)
LEE SANG-PIL (KR)
MIN GYEONG-MO (KR)
International Classes:
E02F9/12; E02F9/20; E02F9/24
Domestic Patent References:
| WO2011145531A1 | 2011-11-24 |
Foreign References:
| KR20110075554A | 2011-07-06 | |||
| KR0115367Y1 | 1998-04-17 | |||
| JP2007176650A | 2007-07-12 | |||
| JP2002121776A | 2002-04-26 |
Attorney, Agent or Firm:
YOON, Eui-Seoup (KR)
윤의섭 (KR)
윤의섭 (KR)
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