FIELD: mining. SUBSTANCE: powered support has walking-beam conveyer whose hauling chain is hinged with front support movably connected by means of longitudinal members with sockets provided on brackets of end units. Mounted on brackets of end units are control hydraulic cylinders operating in synchronism. Made in lower flanges of beam are holes contacting pushers installed at certain space on hauling chain executing reciprocating motion with displacement of beam members. Hauling chain of walking-beam conveyer is arranged in guides of brackets of support intermediate units. EFFECT: higher efficiency. 5 dwg
Title | Year | Author | Number |
---|---|---|---|
POWERED SUPPORT FOR WORKINGS | 0 |
|
SU1792489A3 |
END UNIT OF POWERED SUPPORT | 1991 |
|
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POWERED UNYIELDING SUPPORT IN SETS | 1992 |
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METHOD FOR MINERAL MINING AND DEVICE FOR ITS REALIZATION | 1992 |
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SET OF NONRELIEF SUPPORT | 1998 |
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METHOD FOR INTERACTION OF SUPPORT UNIT WITH SIDE ROCKS | 1990 |
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RU2024760C1 |
POWERED CONNECTION SUPPORT | 1991 |
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METHOD OF SUPPORT MOVEMENT | 1990 |
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RU2007582C1 |
METHOD FOR SUPPORTING CONJUNCTION OF LONGWALL AND WORKING SECTIONS | 0 |
|
SU1679036A1 |
Authors
Dates
1995-08-27—Published
1991-08-13—Filed