发明名称 |
Regelvorrichtung für eine hydraulisch angetriebene Winde |
摘要 |
<p>A winding-down side pilot port of a control valve is of a 2-port construction comprising a normal winding-down side port having a large pressure receiving area and a free fall side port having a small pressure receiving area, wherein in the free fall operation carried out by setting a motor to a small capacity, a pilot pressure of a winding-down side remote control valve is supplied to the free fall side port through a mode switching valve. Thereby, a stroke of the control valve can be suppressed so that a speed of a motor does not exceed an allowable speed.</p> |
申请公布号 |
DE10066269(B4) |
申请公布日期 |
2008.09.25 |
申请号 |
DE2000166269 |
申请日期 |
2000.11.24 |
申请人 |
KOBELCO CRANES CO. LTD. |
发明人 |
NISHIMOTO, YOSHIO;KOBAYASHI, TAKAHIRO;TSUNOO, TAISUKE;IMANISHI, ETSUJIRO;YONEZAWA, SATOSHI |
分类号 |
B66D1/44;B66D1/08;B66D1/48 |
主分类号 |
B66D1/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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