FIELD: mining.
SUBSTANCE: invention relates to mining, in particular to transport machines of periodic action, for example, to rope-scraper units, and can be used for transportation of extracted rock from faces during underground development of deposits. Rope-scraper unit comprises unloading flange 1, bucket with front, rear and side walls. Roller 7 with drive hydraulic cylinder 6 is connected to rear inclined wall 3, piston cavity of which is interconnected with middle outlet of hydraulic valve OR. Hydraulic valve side outlets are communicated with front 10 and rear 8 traction hydraulic cylinders. Automatic adjustment of the position and pressing force of rear wall 3 to the support surface is carried out, as well as cleaning of the surface from rock.
EFFECT: reduced power consumption and higher efficiency.
1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DRAG SCRAPER MACHINE | 2011 |
|
RU2463409C1 |
| WINDING SCRAPER GEAR | 2013 |
|
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|
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|
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| HYDRAULIC DRIVE OF SCRAPER TRAIN WORKING EQUIPMENT | 0 |
|
SU1694799A2 |
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|
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| SCRAPER BOWL | 1991 |
|
RU2049864C1 |
| SCRAPER BUCKET | 2019 |
|
RU2709573C1 |
| SCRAPER FOR MINING CHANNEL PLACER DEPOSITS | 2003 |
|
RU2236511C1 |
