25-04-2023 дата публикации
Номер: CN116006525A
Автор:
LYU ZHENGYI,
XU HONG,
ZHANG YUEJING,
LI TIANYOU,
ZHAO YANG,
DANG ZEAN,
LIU XIAOQIN,
WU ZENGQIAN,
GAO JIANFEI,
LIU ZHENTAO,
XU WENFENG,
WU ANJI
Принадлежит:
The invention provides a hydraulic system of a wind power turning gear. The hydraulic system comprises an oil tank, a motor pump set, a reversing valve and a motor executing mechanism. An oil inlet of the motor pump set is connected to the oil tank. The reversing valve is a three-position four-way valve and is provided with a port P, a port T, a port A and a port B, the port P is connected with an oil outlet of the motor pump set, and the port T is connected to an oil tank. When the left station of the reversing valve works, the port P is communicated with the port A, and the port B is communicated with the port T; when the middle station of the reversing valve works, the P port is disconnected, and the A port, the B port and the T port are communicated; and when the right station of the reversing valve works, the P port is communicated with the B port, and the A port is communicated with the T port. The motor executing mechanism comprises a plunger motor and two balance valves, the two ...
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