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公开(公告)号:US5282363A
公开(公告)日:1994-02-01
申请号:US815023
申请日:1991-12-31
申请人: Kazunori Ogawa , Takuma Endo , Hisashi Nakashima , Yoji Asano
发明人: Kazunori Ogawa , Takuma Endo , Hisashi Nakashima , Yoji Asano
IPC分类号: B62D11/08 , B60K17/10 , B62D11/02 , B62D11/18 , E02F9/12 , E02F9/22 , F15B11/044 , F16D31/02 , B62D11/00
CPC分类号: F16H61/4061 , B60K17/10 , B62D11/02 , B62D11/183 , E02F9/123 , E02F9/22 , E02F9/2253 , E02F9/2267 , E02F9/2275 , F15B11/0445 , F15B2211/20538 , F15B2211/20576 , F15B2211/3127 , F15B2211/327 , F15B2211/50527 , F15B2211/50545 , F15B2211/5154 , F15B2211/6051 , F15B2211/6355 , F15B2211/7058 , F15B2211/71
摘要: A hydraulic circuit for running a crawler vehicle which comprises a running frame portion provided with motors for running the crawler vehicle and an upper swivel portion turnably disposed on the running frame portion via a swivel joint. Electro-magnetic proportional flow directional control valve (a directional control valves) (15) for controlling the running motors are disposed between the swivel joint (41) and the running motors (19). The number of the high pressure passages in the swivel joint (41) can be reduced, because of increase of pressure resistance, the size of the swivel joint can be small, and accordingly, the hydraulic circuit for running a crawler vehicle can be inexpensive, and possibility for leakage of pressure oil becomes low.
摘要翻译: 一种履带式履带车用液压回路,其特征在于,包括具有运行所述履带式车辆的电动机的行走机架部和经由旋转接头可转动地设置在所述行走架部上的上部旋转部。 用于控制运行马达的电磁比例流量方向控制阀(方向控制阀)(15)设置在旋转接头(41)和行进马达(19)之间。 旋转接头(41)中的高压通道的数量可以由于耐压性的提高而减小,所以旋转接头的尺寸可以小,因此,用于履带式履带式履带的液压回路便宜, 并且压力油泄漏的可能性变低。