Ultra-high pressure three-plunger pump
A plunger pump, ultra-high pressure technology, applied in pump components, variable displacement pump components, components of pumping devices for elastic fluids, etc., can solve problems such as poor sealing, difficult assembly and repeated positioning, and achieve excellent High elasticity, high impact strength and low flow resistance
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[0036] Such as figure 1 , 2, Shown in 3 and 4, an ultra-high pressure three-piston pump includes a fuselage 1, a crankshaft-connecting rod type power transmission device arranged in the fuselage and a hydraulic end generating high pressure. The crankshaft-link type power transmission device includes a crankshaft 3 , a connecting rod 2 , a crosshead 4 , an intermediate rod 5 , an elastic jacket 6 , and a pressure cap 7 . The hydraulic end includes a pump body 22, a pump cylinder 26, a plunger 8 and a sealing box 9; between the pump cylinder 26 and the pump body 22 there are also a pilot valve 20, a liquid discharge spring 21, and a discharge valve in sequence. 18, valve seat 19, suction valve 16, liquid inlet spring 15. The pump body 22 is provided with a low-pressure water inlet channel 24 and a high-pressure water outlet channel 23 . The pump cylinder 26 is provided with a cooling water channel 25 . A plunger sleeve 14 is arranged between the pump cylinder 26 and the plun...
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