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CN-121994183-A - Testing device and testing method for coaxiality adjustment of connecting shaft

CN121994183ACN 121994183 ACN121994183 ACN 121994183ACN-121994183-A

Abstract

The invention discloses a testing device and a testing method for adjusting coaxiality of a connecting shaft, wherein the testing device comprises a monitoring component, the monitoring component is used for synchronously rotating along with the transmission shaft component, and the monitoring component is used for monitoring relative displacement information of the same position of the diaphragm on the diaphragm coupler and the diaphragm in the process of rotating for a circle. The testing device and the testing method for the coaxiality adjustment of the connecting shaft are convenient for accurately measuring coaxiality deviation and convenient for subsequent timely adjustment.

Inventors

  • ZHAO QIJUN
  • LU FAN
  • XU YOUSONG
  • LIN MUYANG
  • Hu Donggen
  • CHEN ZHE
  • CHEN HAIJUN

Assignees

  • 南京启直航空科技有限公司

Dates

Publication Date
20260508
Application Date
20260303

Claims (10)

  1. 1. The testing device for coaxiality adjustment of the connecting shaft is characterized by comprising a monitoring component (1), wherein the monitoring component (1) is used for synchronously rotating along with a transmission shaft component (2), and the monitoring component (1) is used for monitoring relative displacement information of the same position of the monitoring component and a diaphragm (27) on the diaphragm coupler in a rotating process.
  2. 2. The testing device for adjusting the coaxiality of the connecting shaft according to claim 1, wherein the monitoring assembly (1) comprises a first distance monitoring piece (11) and a second distance monitoring piece (12), the first distance monitoring piece (11) is used for monitoring relative displacement information of the first distance monitoring piece and the same position of a diaphragm (27) on a first diaphragm coupler (21) at one end of an intermediate shaft (22) of the transmission shaft assembly (2) in the process of rotating for one circle, and the second distance monitoring piece (12) is used for monitoring relative displacement information of the second distance monitoring piece and the same position of the diaphragm (27) on a second diaphragm coupler (23) at the other end of the intermediate shaft (22) of the transmission shaft assembly (2) in the process of rotating for one circle.
  3. 3. The testing device for coaxiality adjustment of a connecting shaft according to claim 2, wherein the first distance monitoring piece (11) and the second distance monitoring piece (12) are both arranged on the intermediate shaft (22) and can synchronously rotate along with the intermediate shaft (22), the first distance monitoring piece (11) is used for monitoring distance change information between the first distance monitoring piece and a first bolt (24) on the first diaphragm coupling (21), and the second distance monitoring piece (12) is used for monitoring distance change information between the first distance monitoring piece and the first bolt (24) on the second diaphragm coupling (23).
  4. 4. The device for testing the coaxiality adjustment of a connecting shaft according to claim 3, wherein the first distance monitoring piece (11) and the second distance monitoring piece (12) are respectively provided as thimble type displacement sensors.
  5. 5. The test device for coaxiality adjustment of a connecting shaft according to claim 1, wherein the monitoring assembly (1) is detachably and fixedly arranged on the transmission shaft assembly (2).
  6. 6. The test device for coaxiality adjustment of a connecting shaft according to claim 1, further comprising a processing module communicatively connected to the monitoring assembly (1) and capable of receiving monitoring information for processing the monitoring assembly (1).
  7. 7. A test method for coaxiality adjustment of a connecting shaft, characterized in that the test device for coaxiality adjustment of the connecting shaft according to any one of claims 1 to 6 comprises the following steps: the deformation displacement information is obtained by rotating the transmission shaft assembly (2) for one circle, and the monitoring assembly (1) monitors the deformation displacement information of the diaphragm (27) in the rotating process; Calculating a deviation angle, namely acquiring a maximum displacement amount and a minimum displacement amount from deformation displacement information, and calculating the deviation angle.
  8. 8. The method for testing the coaxiality adjustment of a connecting shaft as set forth in claim 7, wherein in the step of calculating the deviation angle, the deviation angle The calculation formula of (2) is as follows: ; wherein D is the rotation diameter of the measuring point of the monitoring component (1), To monitor the maximum displacement obtained during one revolution of the assembly (1), To monitor the minimum displacement obtained during one revolution of the assembly (1).
  9. 9. The method for testing coaxiality adjustment of a connecting shaft of claim 7, further comprising the step of acquiring a deviation direction by determining the deviation direction based on the rotational position having the largest displacement amount and the rotational position having the smallest displacement amount.
  10. 10. The method for testing the coaxiality adjustment of a connecting shaft according to claim 9, wherein the step of obtaining the deviation direction is characterized in that a connecting line direction between the rotation position having the largest displacement amount and the rotation position having the smallest displacement amount is the deviation direction.

Description

Testing device and testing method for coaxiality adjustment of connecting shaft Technical Field The invention relates to the technical field of transmission testing, in particular to a testing device and a testing method for adjusting coaxiality of a connecting shaft. Background The output rotating speed of the power shaft is very high in the transmission system, the power transmission is carried out between the existing power connecting shafts through the diaphragm coupler, the power output shaft and the power input shaft of the gear box are required to be coaxially arranged, if the coaxiality cannot meet the requirement, the service lives of the middle transmission shaft and the diaphragm coupler are greatly reduced, but the accurate coaxial arrangement is difficult to be actually maintained, the small deviation is difficult to observe through naked eyes, and the adjustment cannot be timely carried out. Disclosure of Invention The invention aims to provide a testing device and a testing method for coaxiality adjustment of a connecting shaft, which are used for solving the problems of the prior art and facilitating accurate measurement of coaxiality deviation for subsequent timely adjustment. In order to achieve the above object, the present invention provides the following solutions: the invention provides a testing device for adjusting coaxiality of a connecting shaft, which comprises a monitoring component, wherein the monitoring component is used for synchronously rotating along with a transmission shaft component, and the monitoring component is used for monitoring relative displacement information of the same position of a diaphragm on a diaphragm coupler in a rotating process. Preferably, the monitoring assembly comprises a first distance monitoring piece and a second distance monitoring piece, wherein the first distance monitoring piece is used for monitoring relative displacement information of the first distance monitoring piece and the same position of the diaphragm on the first diaphragm coupler at one end of the middle shaft of the transmission shaft assembly in a rotating process, and the second distance monitoring piece is used for monitoring relative displacement information of the second distance monitoring piece and the same position of the diaphragm on the second diaphragm coupler at the other end of the middle shaft of the transmission shaft assembly in the rotating process. Preferably, the first distance monitoring piece and the second distance monitoring piece are both arranged on the intermediate shaft and can synchronously rotate along with the intermediate shaft, the first distance monitoring piece is used for monitoring distance change information between the first distance monitoring piece and a first bolt on the first diaphragm coupler, and the second distance monitoring piece is used for monitoring distance change information between the first distance monitoring piece and a first bolt on the second diaphragm coupler. Preferably, the first distance monitoring piece and the second distance monitoring piece are both provided as thimble type displacement sensors. Preferably, the monitoring assembly is detachably and fixedly arranged on the transmission shaft assembly. Preferably, the system further comprises a processing module which is in communication connection with the monitoring component and can receive and process the monitoring information of the monitoring component. The invention also provides a testing method for adjusting the coaxiality of the connecting shaft, which is based on the testing device for adjusting the coaxiality of the connecting shaft and comprises the following steps of: The deformation displacement information is obtained by rotating the transmission shaft assembly for one circle, and the monitoring assembly monitors the deformation displacement information of the diaphragm in the rotating process; Calculating a deviation angle, namely acquiring a maximum displacement amount and a minimum displacement amount from deformation displacement information, and calculating the deviation angle. Preferably, in the step of calculating the deviation angle, the deviation angleThe calculation formula of (2) is as follows: ; Where D is the diameter of rotation of the measurement point of the monitoring assembly, To monitor the maximum displacement obtained during one revolution of the assembly,To monitor the minimum displacement acquired during one revolution of the assembly. Preferably, the step of acquiring the deviation direction further comprises the step of determining the deviation direction based on the rotational position having the largest displacement amount and the rotational position having the smallest displacement amount. Preferably, in the step of acquiring the deviation direction, a direction of a line connecting the rotational position having the largest displacement amount and the rotational position having the smallest displacement amount is the d