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工作原理:表示杆联接销8插入表示杆接头铁销孔中,摇动摇把1使前后体伸长,此时前体5与表示杆一体,后体顶机外壳达到表示杆拉出的目的,联接扳销与后体联接孔7联接,联接板前勾勾住转辙机下部,摇动手柄1使两体缩短,前体5带动表示杆推进。其要求动程从标尺2与指针读出。性能操作简单,工作稳定、读数准确。装卸方便迅速。
Working principle: the rod coupling pin 8 is inserted into the hole of the ferrule connector, the rocker 1 is used to make the front body and the rear body elongate. At this moment, the front body 5 is integrated with the indicating rod, the rear body top machine shell reaches the purpose of expressing the rod to be pulled out, Coupling pull-off and rear body coupling hole 7 connection, hook the front hook hook hook lower machine, shake the handle 1 so that the two shortened, the precursor 5 driven rod advance. It requires that the stroke be read from scale 2 and the pointer. Performance is simple, stable, accurate readings. Loading and unloading quickly.