Mining explosion-proof variable-frequency hoist

Mining explosion-proof variable-frequency hoist

The utility model relates to coal mine underground conveying equipment, belongs to the technical field of electronic devices, and particularly relates to a coal mine underground explosion-proof variable-frequency hoist. The hoist is characterized by comprising a roller shaft encoder, a motor shaft e...

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Hauptverfasser: XIONG JUFANG, YIN QINGXI, PENG LIDIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CAPSTANS
HAULING
HOISTING
HOISTS
LIFTING
PERFORMING OPERATIONS
TACKLES, e.g. PULLEY BLOCKS
TRANSPORTING
WINCHES
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creator XIONG JUFANG
YIN QINGXI
PENG LIDIAN
description The utility model relates to coal mine underground conveying equipment, belongs to the technical field of electronic devices, and particularly relates to a coal mine underground explosion-proof variable-frequency hoist. The hoist is characterized by comprising a roller shaft encoder, a motor shaft encoder, a stroke switch, a PLC controller, a console, a variable-frequency speed governor box, a main motor, a hoist host and the like, wherein the roller shaft encoder, the motor shaft encoder, the console and the variable-frequency speed governor box form a signal detection, demand and feedback portion, and processing signals are inputted into the PLC control box so as to control the variable-frequency speed governor box to output voltage with different frequencies, thereby realizing stepless speed regulation of the main motor. Compared with the prior art, the explosion-proof variable-frequency hoist realizes stepless speed regulation, and is large in starting torque, high in loading capacity, safe and reliable i
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language chi ; eng
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subjects CAPSTANS
HAULING
HOISTING
HOISTS
LIFTING
PERFORMING OPERATIONS
TACKLES, e.g. PULLEY BLOCKS
TRANSPORTING
WINCHES
title Mining explosion-proof variable-frequency hoist
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