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发明公开
CN104712720A 一种曲柄圆滑块机构及一种柱塞泵 有权

一种曲柄圆滑块机构及一种柱塞泵
摘要：
本发明公开一种曲柄圆滑块机构及一种柱塞泵，其中曲柄圆滑块机构包括往复运动件、整体式曲轴及圆滑块，所述往复运动件包括往复运动件本体，在所述往复运动件本体上设置有圆滑块容置孔，在所述往复运动件本体上还设置有导向部；圆滑块包括圆滑块本体以及套接于所述圆滑块本体外周的环形外圈，所述圆滑块本体为剖分式结构，在所述圆滑块本体上设置有偏心圆孔；所述整体式曲轴包括至少一个曲柄销；整体式曲轴的一曲柄销上至少套接一个圆滑块，圆滑块通过其偏心圆孔套接于所述曲柄销上，每一圆滑块均设置于一往复运动件的圆滑块容置孔中。曲柄圆滑块机构取代了曲柄连杆机构作为核心机构，减小柱塞泵体积及质量，进一步提高了泵的效率。
摘要（英）：

The invention discloses a crank circular sliding block mechanism and a plunger pump. The crank circular sliding block mechanism comprises a reciprocating motion part, an integrated crankshaft and circular sliding blocks. The reciprocating motion part comprises a reciprocating motion part body which is provided with circular sliding block containing holes and a guide part. Each circular sliding block comprises a circular sliding block body and an annular outer ring connected to the periphery of the circular sliding block body in a sleeving mode, wherein the circular sliding block body is of a split structure and is provided with an eccentric circular hole. The integrated crankshaft comprises at least one crank pin which is connected with at least one circular sliding block in a sleeving mode, the circular sliding blocks are connected to the crank pins through the eccentric circular holes in a sleeved mode, and all the circular sliding blocks are arranged in the circular sliding block containing holes of the reciprocating motion part. The crank circular sliding block replaces a crank-link mechanism to serve as a core mechanism, the size and weight of the plunger pump are reduced, and the efficiency of the pump is further improved.

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