Unlock instant, AI-driven research and patent intelligence for your innovation.

Tri-axial self-adaptive dynamic balance execution method for centrifugal machine

A self-adaptive, method-of-execution technology, applied in static/dynamic balance testing, machine/structural component testing, instrumentation, etc., and can solve the problems of complex implementation process and long time.

Inactive Publication Date: 2012-07-04
ZHEJIANG UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using a dynamic balancing machine or a dynamic balancing instrument to eliminate the unbalance, it needs to start and stop repeatedly, and then eliminate or add a part of the mass on one or both surfaces of the rotor. The realization process is very complicated and takes a long time. And as long as the rotor speed or mass distribution changes, the rotor needs to be taken to a dynamic balancing machine or re-balanced using a dynamic balancer.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Tri-axial self-adaptive dynamic balance execution method for centrifugal machine
  • Tri-axial self-adaptive dynamic balance execution method for centrifugal machine
  • Tri-axial self-adaptive dynamic balance execution method for centrifugal machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] refer to figure 1 , 3 , 4, 5

[0042] The adaptive three-axis dynamic balancing execution method includes the following steps:

[0043] (1) Install dynamic balance execution units that can adjust the dynamic balance masses in the horizontal and vertical directions of the rotor respectively; set four dynamic balance execution units in the horizontal direction, and the adjacent The adjustment directions of the horizontal dynamic balance execution units are perpendicular to each other, the adjustment directions of the opposite horizontal dynamic balance execution units are collinear with each other, and the moving directions of the sliders are opposite; there are four dynamic balance execution units in the vertical direction, and the vertical The adjustment directions of the dynamic balance actuators are parallel to each other; any pair of horizontal dynamic balance actuators must have a pair of vertical dynamic balance actuators in the same plane;

[0044] (2) Convert ...

Embodiment 2

[0146] refer to figure 2 , 3 , 4, 5

[0147] The difference between the present embodiment and the second embodiment is that the trigger mechanism is provided in a groove on the cylindrical surface of the rotor, and the groove corresponds to the lower vibration sensor.

[0148] The technical idea of ​​this embodiment is to create a trigger mechanism for the data acquisition card by opening a groove corresponding to the vibration sensor on the circumferential surface of the rotor. When the vibration sensor encounters the groove, the output signal of the sensor changes suddenly, and this sudden change signal is used as a trigger signal for triggering the sampling of the data acquisition card.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a tri-axial self-adaptive dynamic balance execution method for a centrifugal machine. The method comprises the following steps of: arranging a dynamic balance execution unit in a horizontal direction and a vertical direction respectively by which a dynamic balance mass block can be adjusted in the corresponding direction and an execution controller in the horizontal direction and the vertical direction respectively for controlling the corresponding dynamic balance execution unit; converting the current rotating speed of a driving mechanism for driving the rotor to rotate into a pulse sequence signal; forming a mark on the rotor to trigger sampling; acquiring a vibration signal caused by the processing error of the rotor; acquiring a first vibration signal caused by the unbalance of the rotor; moving the slide block of the horizontal dynamic balance execution unit respectively to acquire a second vibration signal; moving the slide block of the vertical dynamic balance execution unit respectively to acquire a third vibration signal; and calculating the original unbalance of the rotor to move the slide block of each dynamic balance execution mechanism to a required position. The method has the advantages of direct installation on the rotor, capability of realizing self-adaptive dynamic balance adjustment when the mass distribution or the rotating speeds of the rotor changes and correct control.

Description

technical field [0001] The invention relates to a three-axis self-adaptive dynamic balancing execution method for a rotor with a large length-to-diameter ratio. technical background [0002] At present, most of the dynamic balancing work on the rotor is done on the dynamic balancing machine, and some of them use the dynamic balancing instrument to perform on-site dynamic balancing to balance the rotor. The types of dynamic balancing are mainly divided into single-sided dynamic balancing and double-sided dynamic balancing. Balance, when the length and diameter of the rotor is relatively large, double-sided dynamic balancing must be carried out. When using a dynamic balancing machine or a dynamic balancing instrument to eliminate the unbalance, it needs to start and stop repeatedly, and then eliminate or add a part of the mass on one or both surfaces of the rotor. The realization process is very complicated and takes a long time. And as long as the rotational speed or mass di...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01M1/38
Inventor 何闻荣左超沈润杰贾叔仕
Owner ZHEJIANG UNIV