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液压装置的活塞起到什么作用?

发布时间:2021-07-19 15:36:34   发布人:
液压装置的活塞/冲杆直接与活塞连接,其下端装入液压装置壳体之内。它的直径确定了泵的压缩比,从而确定输出流量和大压力。它的作用是通过进口控制阀将液体吸入,并在较高压力下通过出口控制阀使其流出。该装置装有弹簧止回阀,用于控制液体进出通道。当液压装置的活塞/冲杆处于吸入冲程时,进口控制阀打开,出口控制阀通过弹簧保持关闭时,将液体引入泵内。升压冲程时,进口控制阀关闭,液压装置的活塞/冲杆通过出口控制阀迫使液体流出。
The piston / ram of the hydraulic device is directly connected with the piston, and its lower end is installed in the hydraulic device shell. Its diameter determines the compression ratio of the pump, thus determining the output flow and high pressure. Its function is to inhale the liquid through the inlet control valve and make it flow out through the outlet control valve under higher pressure. The device is equipped with a spring check valve to control the liquid inlet and outlet channels. When the piston / ram of the hydraulic device is on the suction stroke, the inlet control valve opens and the outlet control valve is kept closed by the spring, leading the liquid into the pump. During the boost stroke, the inlet control valve is closed, and the piston / ram of the hydraulic device forces the liquid out through the outlet control valve.
动态密封圈位于液压装置活塞/冲杆的周围,而且是一种几乎无磨损的零件。它的作用是循环期间,在压力下能够容纳液体,并防止外部泄漏或渗入气体装置。根据泵出液体的介质、使用温度和增压比,选用了不同的密封材料和形式。附注:大多数泵在气动部分与液压部分之间均使用一个定位件,以便使其完全分离,并进行操作。
The dynamic seal ring is located around the piston / ram of the hydraulic unit, and it is a kind of part with almost no wear. Its function is to hold liquid under pressure during circulation and prevent external leakage or infiltration of gas into the device. Different sealing materials and forms are selected according to the medium, service temperature and pressurization ratio of the pumped liquid. Note: most pumps use a spacer between the pneumatic and hydraulic parts to completely separate and operate.
万博体育maxbextx苹果工作原理就是,大活塞推动小活塞,就是压缩空气进入驱动缸推动大活塞来带动小活塞,根据大小活塞的面积比得出增压比。
The working principle of the gas booster pump is that the big piston pushes the small piston, that is, the compressed air enters the driving cylinder to push the big piston to drive the small piston, and the pressurization ratio is obtained according to the area ratio of the big and small pistons.
液体增压泵简称万博体育maxbextx,采用内置式单气控两位四通阀实现泵的自动往复运动,该系列产品为我公司消化吸收国外同类型产品后按照我国标准设计制造的产品。气驱部分全部采用铝合金并氧化处理,泵头根据介质不同可选用碳钢或不锈钢。
The liquid booster pump is referred to as gas-liquid booster pump for short. It adopts the built-in single air control two position four-way valve to realize the automatic reciprocating motion of the pump. This series of products are designed and manufactured by our company according to the national standards after digesting and absorbing the same type of foreign products. All the gas drive parts are made of aluminum alloy and treated by oxidation. The pump head can be made of carbon steel or stainless steel according to different media.
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