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单作用叶片泵由定子、转子、叶片及配流配等主要零件组成。定子由耐磨材料制成。转子上开有叶片槽,叶片安装在叶片槽中,可在其中滑动。转子与定子偏心布置,偏心距为e,且两侧有配流盘紧密贴合。当电动机带动转子旋转时,叶片靠离心力或弹簧力或液压力的作用下紧贴定子内表面。这样,就在定子、转子、叶片及配流盘之间形成若干个密封工作容积。叶片在定子作用下-缩回,叶片间的密封容积逐渐缩小,油液从配流盘上的排液窗口排出,转子每转一周,每个工作容积各完成一次吸、排液,故名为单作用叶片泵。
20V2A 叶片泵
20V2A-1A22R
20V2A-1B22R
20V2A-1C22R
20V2A-1D22R
20V3A
20V3A-1A22R
20V3A-1B22R
20V3A-1C22R
20V3A-1D22R
20V4A
20V4A-1A22R
20V4A-1B22R
20V4A-1C22R
20V4A-1D22R
20V5A
20V5A-1A22R
20V5A-1B22R
20V5A-1C22R
20V5A-1D22R
20V6A
20V6A-1A22R
20V6A-1B22R
20V6A-1C22R
20V6A-1D22R
20V7A
20V7A-1A22R
20V7A-1B22R
20V7A-1C22R
20V7A-1D22R
20V8A
20V8A-1A22R
20V8A-1B22R
20V8A-1C22R
20V8A-1D22R
20V9A
20V9A-1A22R
20V9A-1B22R
20V9A-1C22R
20V9A-1D22R
20V10A
20V10A-1A22R
20V10A-1B22R
20V10A-1C22R
20V10A-1D22R
20V11A
20V11A-1A22R
20V11A-1B22R
20V11A-1C22R
20V11A-1D22R
20V12A
20V12A-1A22R
20V12A-1B22R
20V12A-1C22R
20V12A-1D22R
20V14A
20V14A-1A22R
20V14A-1B22R
20V14A-1C22R
20V14A-1D22R
25V10A
25V10A-1A22R
25V10A-1B22R
25V10A-1C22R
25V10A-1D22R
25V12A
25V12A-1A22R
25V12A-1B22R
25V12A-1C22R
(4) check and calculate the rehydration of accumulator.
a.蓄能器工作制度:由压力继电器控制蓄能器的补液工作,即当蓄能器工作油液减少到定程度时,压力则降到最低压力,压力继电器发出信号,启动泵,使之给蓄能器补液。
a. Accumulator working system: the pressure relay controls the rehydration of the accumulator, that is, when the working oil of the accumulator is reduced to a certain degree, the pressure is reduced to the lowest pressure. The pressure relay sends a signal and starts the pump to replenish the accumulator.
b.选定的蓄能器工作容积低压回路VBi=VoP8 73[(p)7143-(1/2)27143]= 120x0.1256=15.07L,高压回路Vp2= 120x0.0561=6.332L,蓄能器工作容积验算见表21-2-31。
b. The working volume of the selected accumulator VBi=VoP8 73 [(p) 7143-(1 ≤ 2) 27143] = 120x0.1256 ≤ 15.07L, and the high voltage circuit Vp2= 120x0.05616.332L. The working volume of the accumulator is checked in Table 21 ≤ 2. 31.
表21-2-31
Table 21 / 2 / 31
燕公子 2019/5/16 14:19:32
液压基本回路是用于实现液体压力、流量及方向等控制的典型回路,它由有关液压元件组成。现代液压传动液压传动系统的基础。系统虽然越米越复杂,但仍然是由一些基本回路组成的。 因此,掌握基本回路的构成、特点及作用原理,是设计
Hydraulic basic circuit is a typical circuit used to realize the control of liquid pressure, flow rate and direction, which is composed of relevant hydraulic components. The foundation of modern hydraulic transmission system. Although the system is more complex, it is still composed of some basic circuits. Therefore, mastering the composition, characteristics and action principle of the basic circuit is the design.