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苏联基辅实验机械厂成批生产CO-168和CO-138两种新型活塞自动球阀式粉刷用灰浆泵,其技术参数如表1所示。 CO-168型灰浆泵为单缸活塞式,靠压缩空气作往复运动,由机体中的曲轴带动活动连杆。其特点是改用了大直径的气缸(由原来的110mm改为125mm),在吸入的建筑砂浆中,允许个別混杂物最大粒径为12mm。另一种CO-138型灰浆泵为双缸自动球阀式,机械的构成有两个气缸(主缸和副
Soviet-Kiev Experimental Machinery Factory mass produced CO-168 and CO-138 two kinds of new piston automatic ball valve type painting mortar pump, its technical parameters are shown in Table 1. The CO-168 mortar pump is a single-cylinder piston type. It uses compressed air for reciprocating motion and the active crankshaft is driven by the crankshaft in the body. It is characterized by the use of large-diameter cylinders (from the original 110mm to 125mm), allowing the maximum particle size of individual blends to be 12mm in the ingested building mortar. Another type of CO-138 mortar pump is a double-cylinder automatic ball valve type. The mechanical structure consists of two cylinders (master cylinder and auxiliary cylinder).