| 摘要 |
FIELD: transportation. ^ SUBSTANCE: weight-gripping accessory with limiter of weight-bearing capacity comprises link designed for suspension of weight-lifting facility onto weight-gripping element, and limiter of weight-bearing capacity is arranged in the form of body with units for suspension of slings and calibrated elastic element installed in body. Limiter includes hollow stem installed in body with head and threaded tail, on which adjusting nut is screwed, which contact with end of elastic element and having gap relative to lower end of body, between upper end of which and lower cut of stem head with the possibility of free rotation, driving element is put on stem, upper cut of which creates claw clutch with lower cut of stem head. In stem opening in the field of its head annular belt with thread is arranged, besides accessory is equipped with guidescrew, the end of which is fixed to link and screwed into threaded opening of stem, besides at free end of guidescrew, stop is installed, which has a possibility of contact with end of annular belt of stem. ^ EFFECT: provides for automatic limitation of lifting force. ^ 2 dwg |
