FIELD: mining industry.
SUBSTANCE: invention relates to loading devices used to deliver rock to truck body in quarry. Proposed loading device contains hopper, hopper frame, gate with movable plates with opening/closing drive. Lower cut of hopper is tilted at acute angle to horizontal from dump truck to be loaded and it is furnished with crawler gate. Frame of gate is provided with running rolls which can be displaced along guides secured on hopper frame at angle of tilting equal to that of lower cut of hopper. Bracket pointed downwards is secured on frame of gate for engagement with rear cut of dump truck body. Support roller is installed on opposite side of frame for engagement with lever equipped with counterweight which is installed by means of hinge joints on hopper for turning in vertical plane. In initial position lever forms acute angle with vertical with displacement of counterweight towards opposite side relative to hopper wall. Shoes are secured in lower part of hopper frame by means of hinge joints for engagement with rear wheels of dump truck.
EFFECT: provision of metered out delivery of large lump rock, reduced time of loading of dump truck and downtime of excavator.
2 cl, 3 dwg
Title | Year | Author | Number |
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QUARRY LIFT FOR DUMP TRUCKS | 2005 |
|
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VEHICLE WITH WEIGHER | 0 |
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SU1749720A1 |
SKIP LOADING AND UNLOADING DEVICE | 1999 |
|
RU2174094C2 |
Authors
Dates
2005-07-27—Published
2003-11-11—Filed