| 摘要 |
FIELD: technological processes; tool. ^ SUBSTANCE: screwdriver comprises trolley with guide stands, where carriage is mounted. Carriage has engine installed with cone belt drive, slave pulley of which is connected to spindle by connecting mechanism, and mechanism of carriage displacement. Slave pulley of cone belt drive is installed in bushing, through which spindle passes in bearings, and spindle has head with replaceable wrench on one side and handle on the other. Connecting mechanism is arranged in the form of boss installed on hub of slave pulley and interacting with lath connected to additional bushing. Additional bushing is placed on spline portion of spindle and is connected to fork. Fork lever is hingedly fixed to support bracket of carriage with spring and wire. Wire is extended outside the carriage limits and ends with handle fixed on steering handle. Mechanism of carriage displacement comprises cable fixed with its one end to lath installed on upper part of guide stands, and with its other end - to rotary drum connected to worm gear of self-braking worm gear set. Worm of mentioned gear is joined with rotation handle. ^ EFFECT: expansion of applied screwdrivers arsenal. ^ 7 dwg |
