HYDRAULIC DOOR SNUBBER

摘要

A dipper assembly for a mining shovel, includes a dipper having a dipper back and an open dipper bottom, and a dipper door pivotally mounted to the dipper, configured to pivot between an open position and a closed position with a swing speed, and to cover the open dipper bottom. The dipper assembly also includes one or more hydraulic door snubbers. The hydraulic door snubbers include a base having one or more connecting plates, one or more mounting plates coupled to the base and configured to receive a link extending from the dipper door, one or more friction plates, and a hydraulic cylinder configured to clamp the mounting plates, the connecting plates, the friction plates and the link together.

主权项

1. A dipper assembly for a mining shovel, the dipper assembly comprising:
a dipper having a dipper back and an open dipper bottom; a dipper door pivotally mounted to the dipper, configured to pivot between an open position and a closed position with a swing speed, and to cover the open dipper bottom; one or more hydraulic snubbers, comprising:
a base having one or more connecting plates;one or more mounting plates coupled to the base and configured to receive a link extending from the dipper door;one or more friction plates positioned parallel to the mounting plates and the link;a hydraulic cylinder configured to clamp the mounting plates, the connecting plates, the friction plates and the link together, reducing the swing speed of the dipper door.