The invention relates to an intelligent open type hydraulic system for a crane. Comprising a controller (1), a first control valve (2), a temperature sensor (3), a first rotating speed sensor (4), an engine (5), a hydraulic pump (6), an oil tank (7), an oil dispersing motor (8), a first hydraulic motor (9), a first switching valve (10), a first overflow valve (11), a second hydraulic motor (12), a second switching valve (13), a hydraulic pump (14), an energy accumulator (15), a reversing valve (16), a one-way valve (17), a second overflow valve (18), an oil supplementing pump (19), a proportional pressure reducing valve (20), a third hydraulic motor (21), a first pressure sensor (22), a fourth hydraulic motor (23) and a hoisting mechanism (24). By means of a rotating speed sensor II (25), a control valve II (26), a pressure sensor II (27) and an overflow oil supplementing valve (28), the intelligent level and the transmission efficiency can be effectively improved, and the heat dissipation efficiency can be effectively improved.
本发明涉及起重机用智能开式液压系统,包括控制器(1)、控制阀一(2)、温度传感器(3)、转速传感器一(4)、发动机(5)、液压泵(6)、油箱(7)、油散马达(8)、液压马达一(9)、切换阀一(10)、溢流阀一(11)、液压马达二(12)、切换阀二(13)、液压泵(14)、蓄能器(15)、换向阀(16)、单向阀(17)、溢流阀二(18)、补油泵(19)、比例减压阀(20)、液压马达三(21)、压力传感器一(22)、液压马达四(23)、卷扬机构(24)、转速传感器二(25)、控制阀二(26)、压力传感器二(27)和溢流补油阀(28),可以有效提升智能化水平和传动效率,可以有效地提高散热效率。
Intelligent open type hydraulic system for crane
起重机用智能开式液压系统
2022-07-08
Patent
Electronic Resource
Chinese
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