The utility model relates to a vehicle Tailboards hydraulic power unit, including two two pumps, two two-way cut-off normally closed solenoid valve, two position two way one-way stop a normally closed solenoid valve, two one-way throttle valve, one-way valve and the overflow valve; the upper end of the two of the two position two way double as often closed solenoid valves are respectively connected one-way throttle valve after connecting an external cylinder, the lower end is connected to the formation of the node, and the order of one-way valve, pump, filter series connected tank, the two through two one-way stop normally closed solenoid valve is connected between the node and the tank, the overflow valve is connected between the midpoint of the one-way valve and pump and oil tank; the utility model has the advantages of compact structure, cylinder speed regulation, and through the two position two way double cut-off normally closed solenoid valve and two through two one-way stop normally closed solenoid valve, pressure control, the effect is better It's more convenient.
【技术实现步骤摘要】
一种汽车尾板液压动力单元
本技术涉及液压动力单元,特指一种用于汽车尾板的液压动力单元。
技术介绍
现有技术201320527970.8中公开了一种汽车尾板微型液压动力单元,虽然通过M型换向阀和止回阀以及顺转直流电机的共同作用,延长了保压时间,但不能调节油缸的速度,且M型换向阀需要控制两个电磁铁,控制难度大。另一现有技术201610253392.1中公开了一种控制汽车尾板升降的液压系统,虽然能调节油缸的速度,但升降油缸和翻转油缸只通过二位三通阀换向,导致保压性能不佳,只适用于锁紧时间短且要求不高的回路中,无法满足想长期保压的技术要求。
技术实现思路
本技术目的是为了克服现有技术的不足而提供一种结构紧凑、油缸速度调节、保压效果好、控制方便的汽车尾板液压动力单元。为达到上述目的,本技术采用的技术方案是:一种汽车尾板液压动力单元,包含油泵、集成块、两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀和溢流阀;所述集成块上设置有多个安装槽孔,所述两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀、溢流阀分别安装在相应的安 ...
【技术保护点】
一种汽车尾板液压动力单元,其特征在于:包含油泵、集成块、两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀和溢流阀;所述集成块上设置有多个安装槽孔,所述两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀、溢流阀分别安装在相应的安装槽孔内;两个所述二位二通双向截止常闭电磁阀的上端分别串联单向节流阀后连接外部油缸,下端相联通形成节点,并顺序串联单向阀、油泵、过滤器后连接油箱,所述二位二通单向截止常闭电磁阀连接在节点和油箱之间,溢流阀连接在单向阀和油泵的中点以及油箱之间。
【技术特征摘要】
1.一种汽车尾板液压动力单元,其特征在于:包含油泵、集成块、两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀和溢流阀;所述集成块上设置有多个安装槽孔,所述两个二位二通双向截止常闭电磁阀、二位二通单向截止常闭电磁阀、两个单向节流阀、单向阀、溢流阀分别安装在相应的安装槽孔内;两个所述二位二通双向截止常闭电磁阀的上端分别串联单向节流阀后连接外部油缸,下端相联通形成节点,并顺序串联单向阀、油泵、过滤器后连接油箱,所述二位二通单向截止常闭电磁...
【专利技术属性】
技术研发人员:李刚,
申请(专利权)人:苏州伟仕多自动化设备有限公司,
类型:新型
国别省市:江苏,32
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