The invention discloses an electro-hydraulic servo integrated winch hydraulic system and a control method thereof, and relates to the technical field of hydraulic control systems, in particular to the electro-hydraulic servo integrated winch hydraulic system and the control method thereof. The hydraulic system comprises a servo motor, a two-way hydraulic pump, a two-position four-way electromagnetic reversing valve, a sequence valve, a hydraulic motor, an oil tank, a main oil way A, a main oil way B, a hydraulic lock, an oil supplementing valve and a safety valve. An output shaft of the servo motor is connected with the input end of the bidirectional hydraulic pump; two oil ports of the bidirectional hydraulic pump are respectively connected with two oil ports of the hydraulic motor through a main oil path A and a main oil path B; the sequence valve is arranged on the main oil path B; the oil tank is connected with the main oil path A and the main oil path B; the hydraulic locks are arranged on the main oil way A and the main oil way B; the two-position four-way electromagnetic directional valve is connected with the main oil way A, the oil tank and the hydraulic lock; the oil supplementing valve is connected between two oil ports of the two-way hydraulic pump and the oil tank in series; the safety valve is serially connected between oil ports on two sides of the bidirectional hydraulic pump and the oil tank.
本发明电液伺服集成式卷扬机液压系统及其控制方法,涉及液压控制系统技术领域,尤其涉及一种电液伺服集成式卷扬机液压系统及其控制方法。本发明包括:伺服电机、双向液压泵、二位四通电磁换向阀、顺序阀、液压马达、油箱、主油路A、主油路B、液压锁、补油阀和安全阀;伺服电机的输出轴与双向液压泵的输入端相连接;双向液压泵的两个油口分别通过主油路A和主油路B与液压马达的两个油口相连接;顺序阀设置于主油路B上;油箱与主油路A和主油路B相连接;液压锁设置于主油路A和主油路B上;二位四通电磁换向阀与主油路A、油箱和液压锁相连接;补油阀串联在双向液压泵两个油口和油箱之间;安全阀串联在双向液压泵两侧油口和油箱之间。
Electro-hydraulic servo integrated winch hydraulic system and control method thereof
电液伺服集成式卷扬机液压系统及其控制方法
2023-02-03
Patent
Electronic Resource
Chinese
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