device for r amp; r, a hydraulic lifting device.

摘要

ita device (1) for r & r, a hydraulic lifting device.a hydraulic motor (2) trained drive stated,a first arbeitsanschlu & white; (b)and a second arbeitsanschlu & white; (b) a druckanschlu & white; (p)a tankanschlu & white; (t)and a control valve (3) in the druckanschlu & white; (p)the tankanschlu & white; (t)on the one hand and and professional;.a first supervisors (16) with the first arbeitsanschlu & white; (a) and & t.; aboutsecond supervisors (17) with the second arbeitsanschlu & white; (b) on the other connected, and in every supervisors (16, 17) aufsteuerbares sperrventil(21, 28) is arranged. they all want to m & a, both arbeitsanschl & t.; density characteristics.with simple structure, which is also a schwimmbetriebsfunktionerm & all; glicht.hierzuis provided, as & w;the control valve (3) and the sperrventil (21) in the first supervisors(16) a umschaltventil (18) is arranged in the bed & auml; regard to thesperrventil (21) in the first (16) aufsteuerbar supervisors.