Three-cylinder plunger pump with integrated combined valves
A combined valve and integrated technology, applied in the field of hydraulic machinery, can solve the problems of large volume and flow loss, inconvenient maintenance, complex structure, etc., and achieve the effect of compact structure, easy disassembly, and reduced processing difficulty
Active Publication Date: 2013-08-14
TIANJIN HAISHENG PUMP MAKING
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Problems solved by technology
[0004] However, this prior art three-cylinder plunger pump has the following problems: as mentioned above, it adopts two sets of vertically arranged valves for its upward feed and liquid discharge, so the structure is complicated, the processing is difficult, the loss of volume and flow is large, and it is inconvenient to maintain
In addition, the noise is relatively loud during operation
Method used
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[0024] The three-cylinder plunger pump with integrated combined valve provided by the present invention will be described in detail below with reference to the drawings and specific embodiments. Components that are the same as those in the prior art are given the same reference numerals, and their descriptions are omitted.
[0025] Such as Figure 4-Figure 10 and figure 1 As shown, the three-cylinder plunger pump with integrated combined valve provided by the present invention is composed of a power end and a hydraulic end, wherein the power end is the same as the prior art, including a crankcase 1, a high-speed shaft 2, and a crankshaft 3 , two ring gears 4, three sets of connecting rods 5 and three crossheads 6; the fluid end includes three plungers 7, three cylinders 8, bracket 9, pump head 16, liquid inlet box 12 and three One-piece combination valve 17; the one-piece combination valve 17 includes a valve body 18, a liquid discharge valve core 19, a liquid inlet valve pl...
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Disclosed is a three-cylinder plunger pump with integrated combined valves. The three-cylinder plunger pump comprises a power end and a hydraulic end, wherein the power end comprises a crankshaft box, a high-speed shaft, a crankshaft, two gear rings, three connecting rods and three crossheads. The hydraulic end comprises three plungers, three cylinders, a carrier, a pump head, a liquid inlet water box and three integrated combined valves. Each integrated combined valve comprises a valve body, a liquid-discharge valve spool, a liquid-inlet valve plate, a spring and a nut. The three-cylinder plunger pump with the integrated combined valves has the advantages that water inlet and outlet valves of the integrated combined valves are horizontally arranged, the water outlet valve spools can guide the water inlet valves, the liquid discharge and feed valves share the same spring, and accordingly, the three-cylinder plunger pump is simple and compact in structure, convenient to demount, low in flow loss, stable in running and low in noise.
Description
technical field [0001] The invention belongs to the technical field of hydraulic machinery, in particular to a three-cylinder plunger pump with an integral combination valve. Background technique [0002] The plunger pump is an important device in the hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working chamber to realize oil suction and oil pressure. It has high rated pressure, compact structure, high efficiency and flow adjustment. Convenient and other advantages, it is widely used in high pressure, large flow and occasions where the flow needs to be adjusted, such as hydraulic presses, engineering machinery and ships. Among them, the three-cylinder plunger pump is the most commonly used one. figure 1 It is a structural exploded schematic diagram of a prior art three-cylinder plunger pump. figure 2 for figure 1 A cross-sectional view of the longitudinal structure of the three-cylinder plunge...
Claims
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IPC IPC(8): F04B53/10
Inventor 崔津源王德壮宫擎
Owner TIANJIN HAISHENG PUMP MAKING