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Roller shutter type anti-dropping device for ore discharging chamber
The invention relates to a roller shutter type anti-dropping device for an ore discharging chamber and belongs to the technical field of mine safety. The ore discharging chamber and a track leading to the ore discharging chamber are arranged in a mine roadway, and the ore discharging chamber is provided with a sliding pithead. The device comprises a safety safeguard system and a power transmission system. The safety safeguard system comprises a movable safety door, a protective fence and a grating. A roller shutter door in the movable safety door is formed by combining a plurality of vertical bars hinged through pin shafts, the vertical bar at the topmost end is hinged to a winding wheel through a pin shaft, the two sides of the roller shutter door are connected with a left barrier and a right barrier of the protective fence respectively, the top end of the sliding pithead is provided with the grating, and the winding wheel is connected with a driving belt in the power transmission system. The grating, a fixed barrier, a driving device and the movable safety door formed by the winding wheel, the roller shutter door and a guide groove are arranged above the sliding pithead, and a protective device for preventing accidents of dropping in a well is formed.
Roller shutter type anti-dropping device for ore discharging chamber
The invention relates to a roller shutter type anti-dropping device for an ore discharging chamber and belongs to the technical field of mine safety. The ore discharging chamber and a track leading to the ore discharging chamber are arranged in a mine roadway, and the ore discharging chamber is provided with a sliding pithead. The device comprises a safety safeguard system and a power transmission system. The safety safeguard system comprises a movable safety door, a protective fence and a grating. A roller shutter door in the movable safety door is formed by combining a plurality of vertical bars hinged through pin shafts, the vertical bar at the topmost end is hinged to a winding wheel through a pin shaft, the two sides of the roller shutter door are connected with a left barrier and a right barrier of the protective fence respectively, the top end of the sliding pithead is provided with the grating, and the winding wheel is connected with a driving belt in the power transmission system. The grating, a fixed barrier, a driving device and the movable safety door formed by the winding wheel, the roller shutter door and a guide groove are arranged above the sliding pithead, and a protective device for preventing accidents of dropping in a well is formed.
Roller shutter type anti-dropping device for ore discharging chamber
CHEN RIHUI (author)
2015-10-14
Patent
Electronic Resource
English
IPC:
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
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