| 摘要 |
An air wrench contains a housing and an additional lateral rotary handle with a cam, a microswitch, a pneumatic actuator of distributor of direction of spindle revolutions, a control system, which includes a pressure reducer, three check valves, two electropneumatic valves, a switch and a supply air conduit. Additional microswitch is introduced, in the case a mechanism of turning on the microswitches is made in the form of two cams or a lever, and turning on the reverse of spindle is performed by hand. |
