Electro-hydraulic variable pitch system

Electro-hydraulic variable pitch system

The utility model discloses an electro-hydraulic variable pitch system which comprises driving assemblies with the number corresponding to that of fan blades, each driving assembly comprises a driver, a motor, a two-way hydraulic pump and a hydraulic cylinder, the driver is electrically connected wi...

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Hauptverfasser: ZHANG GUOYIN, SHAO ANCANG, QI BAOCHUN, LI NING
Format: Patent
Sprache:chi ; eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MACHINES OR ENGINES FOR LIQUIDS
MECHANICAL ENGINEERING
OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
PRODUCING MECHANICAL POWER
WEAPONS
WIND MOTORS
WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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creator ZHANG GUOYIN
SHAO ANCANG
QI BAOCHUN
LI NING
description The utility model discloses an electro-hydraulic variable pitch system which comprises driving assemblies with the number corresponding to that of fan blades, each driving assembly comprises a driver, a motor, a two-way hydraulic pump and a hydraulic cylinder, the driver is electrically connected with the motor and controls the rotating speed and the rotating direction of a power output shaft of the motor, and the two-way hydraulic pump is connected with the hydraulic cylinder. A power output shaft of the motor is connected with a power input end of the two-way hydraulic pump, the two-way hydraulic pump is connected with the hydraulic cylinder through an oil way, a piston rod of the hydraulic cylinder is connected with the root of a fan blade, the driver in each driving assembly is further electrically connected with the variable-pitch controller, and each part in the system is powered by the fan. According to the variable pitch system disclosed by the utility model, the hydraulic part adopts the closed oil w
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A power output shaft of the motor is connected with a power input end of the two-way hydraulic pump, the two-way hydraulic pump is connected with the hydraulic cylinder through an oil way, a piston rod of the hydraulic cylinder is connected with the root of a fan blade, the driver in each driving assembly is further electrically connected with the variable-pitch controller, and each part in the system is powered by the fan. 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subjects BLASTING
HEATING
LIGHTING
MACHINES OR ENGINES FOR LIQUIDS
MECHANICAL ENGINEERING
OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
PRODUCING MECHANICAL POWER
WEAPONS
WIND MOTORS
WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
title Electro-hydraulic variable pitch system
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