... parts, one end of the connecting shaft eccentric gear, central part of the lift plate; and ... of the inner cavity are consistent with the helical screw alveolus. Taking into account the increase ... disassemble and transport the space occupied by a large number of problems Photo description Figure 1 is ... , 3, the right sleeve, 4, eccentric gear, 5, lift plate, 6, helical gear, 7 pin, 8, positioning holes, 9, ...