Determination of undercarriage idler and roller wear based on final drive speed
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-011/30
E02F-009/26
G07C-005/08
B62D-055/06
E02F-009/02
출원번호
US-0576601
(2014-12-19)
등록번호
US-9371630
(2016-06-21)
발명자
/ 주소
Johannsen, Eric
출원인 / 주소
Caterpillar Inc.
대리인 / 주소
Baker & Hostetler LLP
인용정보
피인용 횟수 :
2인용 특허 :
47
초록▼
System and methods for determining wear of a rotational component of an undercarriage for a machine are disclosed. One method includes determining a rotational speed of a drive sprocket of the undercarriage, determining a rotational speed of the rotational component, determining a size parameter of
System and methods for determining wear of a rotational component of an undercarriage for a machine are disclosed. One method includes determining a rotational speed of a drive sprocket of the undercarriage, determining a rotational speed of the rotational component, determining a size parameter of the rotational component based on at least the determined rotational speed of the drive sprocket and the determined rotational speed of the rotational component, and determining the wear of the rotational component based on the determined size parameter of the rotational component.
대표청구항▼
1. A method for determining wear of a rotational component of an undercarriage system for a machine having a track chain assembly, the method comprising: receiving, by one or more processors, information relating to a rotational speed of a drive sprocket of the undercarriage system, wherein the driv
1. A method for determining wear of a rotational component of an undercarriage system for a machine having a track chain assembly, the method comprising: receiving, by one or more processors, information relating to a rotational speed of a drive sprocket of the undercarriage system, wherein the drive sprocket is configured to engage the track chain assembly at a first radial distance from a first axis of rotation;receiving, by the one or more processors, information relating to a rotational speed of a rotational component of the undercarriage system, wherein the rotational component is configured to engage the track chain assembly at a second radial distance from a second axis of rotation;determining, by the one or more processors, the second radial distance based on at least the determined rotational speed of the drive sprocket, the determined rotational speed of the rotational component, and the first radial distance; anddetermining, by the one or more processors, the wear of the rotational component based on the determined second radial distance. 2. The method of claim 1, wherein the rotational component comprises one or more of a roller assembly and an idler. 3. The method of claim 1, wherein the information relating to the rotational speed of the drive sprocket of the undercarriage system is received from a rotary encoder configured to measure rotation of the drive sprocket. 4. The method of claim 1, wherein the information relating to the rotational speed of the drive sprocket of the undercarriage system comprises a gear ratio of a transmission applying force to the drive sprocket. 5. The method of claim 1, wherein the information relating to the rotational speed of the rotational component of the undercarriage system is received from a rotary encoder configured to measure rotation of the rotational component. 6. The method of claim 1, wherein determining the second radial distance comprises retrieving the first radial distance from a storage medium. 7. The method of claim 1, determining the wear of the rotational component comprises comparing the determined second radial distance to a stored size parameter. 8. A system comprising: a processor; anda memory bearing instructions that, upon execution by the processor, cause the system at least to: determine a rotational speed of a drive sprocket of the undercarriage, wherein the drive sprocket is configured to rotate about a first axis;determine a rotational speed of the rotational component, wherein the rotational component, is configured to rotate about a second axis that is parallel to the first axis;determine a size parameter of the rotational component based on at least the determined rotational speed of the drive sprocket and the determined rotational speed of the rotational component; anddetermine the wear of the rotational component based on the determined size parameter of the rotational component. 9. The system of claim 8, wherein the rotational component comprises one or more of a roller assembly and an idler. 10. The system of claim 8, wherein determining the rotational speed of the drive sprocket comprises receiving information from a rotary encoder configured to measure rotation of the drive sprocket. 11. The system of claim 8, wherein determining the rotational speed of the drive sprocket is based at least on a gear ratio of a transmission applying force to the drive sprocket. 12. The system of claim 8, wherein determining the rotational speed of the rotational component comprises receiving information from a rotary encoder configured to measure rotation of the rotational component. 13. The system of claim 8, determining the wear of the rotational component comprises comparing the determined size parameter of the rotational component to a stored size parameter. 14. A method for determining wear of a rotational component of an undercarriage for a machine, the method comprising: determining, by one or more processors, a rotational speed of a drive sprocket of the undercarriage, wherein the drive sprocket is configured to rotate about a first axis;determining, by the one or more processors, a rotational speed of the rotational component, wherein the rotational component, is configured to rotate about a second axis that is parallel to the first axis;determining, by the one or more processors, a size parameter of the rotational component based on at least the determined rotational speed of the drive sprocket and the determined rotational speed of the rotational component; anddetermining, by the one or more processors, the wear of the rotational component based on the determined size parameter of the rotational component. 15. The method of claim 14, wherein the rotational component comprises one or more of a roller assembly and an idler. 16. The method of claim 14, wherein determining the rotational speed of the drive sprocket comprises receiving information from a rotary encoder configured to measure rotation of the drive sprocket. 17. The method of claim 14, wherein determining the rotational speed of the drive sprocket is based at least on a gear ratio of a transmission applying force to the drive sprocket. 18. The method of claim 14, wherein determining the rotational speed of the rotational component comprises receiving information from a rotary encoder configured to measure rotation of the rotational component. 19. The method of claim 14, wherein determining the size parameter of the rotational component comprises calculating a radius of rotation of the rotational component. 20. The method of claim 14, determining the wear of the rotational component comprises comparing the determined size parameter of the rotational component to a stored size parameter.
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이 특허에 인용된 특허 (47)
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Dietz Hans P. ; Evans William C. ; Holsapple Brad L. ; Knussman Michael L. ; Meinhold David R. ; Tady Stephen T., Track belt tension management system.
Miller Clifford E., Track tensioning assembly for adjusting tension on a drive track chain of a work machine having a slack adjuster device associated therewith.
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