Method for detecting state of elastic transmission gear of diesel engine online

Method for detecting state of elastic transmission gear of diesel engine online

The invention discloses a method for detecting the state of an elastic transmission gear of a diesel engine online. The method comprises the following steps: firstly, monitoring instantaneous rotatingspeed, gear shaft vibration and power load of the diesel engine through a data acquisition card; sec...

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Hauptverfasser: ZHOU QIAN, JIANG DAWEI, DING LEZHONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator ZHOU QIAN
JIANG DAWEI
DING LEZHONG
description The invention discloses a method for detecting the state of an elastic transmission gear of a diesel engine online. The method comprises the following steps: firstly, monitoring instantaneous rotatingspeed, gear shaft vibration and power load of the diesel engine through a data acquisition card; secondly, converting signals acquired in the first step into standard electric signals; thirdly, carrying out acquisition and digital-to-analog conversion on the standard electric signals by the data acquisition card; fourthly, by coupling the instantaneous speed of the diesel engine and the vibrationof a cylinder, converting the vibration in a time domain into an angle domain corresponding to a crank angle for order analysis; fifthly, measuring an order ratio data matrix shown in the specification of the diesel engine under normal conditions; sixthly, introducing the order ratio data matrix in a formula to change the power P kW and the rotating speed n RMP of the diesel engine into margin coefficients; and seventhly,
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subjects MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Method for detecting state of elastic transmission gear of diesel engine online
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