在液压系统中广泛采用蓄能器来积蓄能量、吸收脉动、缓和冲击等,以改善系统性能、节约能源、减少投资。蓄能器结构形式多种多样。四十年代以前一般采用弹簧式、重锤式、气液直接接触式和活塞式蓄能器,它们都存在不同缺点。国外自五十年代开始发展囊式蓄能器,并广泛取代某些老式的蓄能器。囊式蓄能器又有A型和B型之分,A型的气囊上模压气嘴,B型的气囊敞口。随着 In hydraulic systems, accumulators are widely used to accumulate energy, absorb pulsations, mitigate impacts, etc. to improve system performance, save energy and reduce investment. Accumulator structure of a variety of forms. Before the forties generally used spring-type, hammer type, gas-liquid direct contact and piston accumulator, they all have different shortcomings. Foreign countries have been developing capsule accumulators since the 1950s and have extensively replaced some of the older accumulators. Capsule accumulator has A and B points, A-type air bag on the molded air nozzle, B-type airbag open. along with