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摘要 根據(jù)GB3836.2-2000《爆炸性氣體環(huán)境用電氣設(shè)備 第2部分：隔爆型“d”》第3篇《檢查和試驗(yàn)》的規(guī)定，隔爆型電氣設(shè)備外殼和構(gòu)成外殼的零、部件的需進(jìn)行強(qiáng)度試驗(yàn)，利用水壓機(jī)進(jìn)行水壓試驗(yàn)是檢測其強(qiáng)度試驗(yàn)的一種方法。 液壓系統(tǒng)主要起對試驗(yàn)工件夾緊和壓牢封水密封圈作用。液壓系統(tǒng)采用上、下兩液壓缸同時加緊方式，液壓系統(tǒng)內(nèi)、外有無泄漏，夾緊力大小，上、下缸配合的協(xié)調(diào)性，將直接影響整個系統(tǒng)的保壓效果。 關(guān)鍵詞： 動力滑臺 高效率 液壓 Abstract "The fire damp environment uses the electrical equipment 2nd part according to GB3836.2-2000: Flame-proof type “d”" 3rd "Inspection And Experiment" the stipulation, the flame-proof type electrical equipment outer covering and the constitution outer covering zero, the part must carry on the structural testing, carries on the hydraulic pressure test using the hydraulic press is examines its structural testing one method. The hydraulic system is main to experiments the work piece clamp and presses the jail to seal the water seal packing collar function.Does the hydraulic system use the top and bottom two hydraulic cylinders simultaneously to step up the way, whether there is the hydraulic system inside and outside divulges, the clamping force size, the top and bottom cylinder will coordinate the coordination, directly will affect the overall system to guarantee presses the effect. Keywords：Power sliding Taiwan High efficiency hydraulic pressure