Undercarriage assembly and track links for assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-055/12
B62D-055/21
B62D-055/20
B62D-055/14
출원번호
US-0839240
(2015-08-28)
등록번호
US-9688325
(2017-06-27)
발명자
/ 주소
Hakes, David
Oertley, Tom
Beckerdite, Jason R.
Abello, Benoit
Ellmann, Thomas
Kowalski, Thomas J.
출원인 / 주소
Caterpillar Inc.
대리인 / 주소
Leydig, Voit & Mayer, LTD.
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
An undercarriage assembly for a mobile machine includes a continuous track having a plurality of mated track links that can translate with respect to the machine. Each track link may include a shoe portion and a body portion. The body portion includes a plurality of projecting pin lugs each having a
An undercarriage assembly for a mobile machine includes a continuous track having a plurality of mated track links that can translate with respect to the machine. Each track link may include a shoe portion and a body portion. The body portion includes a plurality of projecting pin lugs each having a pin bore to receive a bin and link adjacent track links together. The pin lugs can include a pair of sprocket lugs for making rolling contact with a sprocket, a pair of roller lugs for making rolling contact with a plurality of rollers, and a side lug having a protruding shoulder to assist in aligning the plurality of rollers.
대표청구항▼
1. A track link comprising a link body extending between a first body side and a second body side thereby delineating a width axis, the link body including:a drive beam disposed mid-width along the width axis;a plurality of pin lugs each including a root aligned along the width axis and a pin bore o
1. A track link comprising a link body extending between a first body side and a second body side thereby delineating a width axis, the link body including:a drive beam disposed mid-width along the width axis;a plurality of pin lugs each including a root aligned along the width axis and a pin bore offset with respect to the width axis, the plurality of pin lugs including:a pair of sprocket lugs disposed on either side of the drive beam, each of the pair of sprocket lugs extending perpendicularly in opposite directions from the width axis, each of the pair of sprocket lugs including a rail protrusion projecting above the drive beam;a pair of roller lugs disposed to either side of the pair of sprocket lugs, the pair of roller lugs extending perpendicularly in opposite directions from the width axis, the pair of roller lugs each including a roller trough disposed below the rail protrusion of the respective sprocket lug; anda pair of side lugs disposed to either side of the pair of roller lugs, the pair of side lugs extending perpendicularly in opposite directions from the width axis to the pin bore; and a shoe portion extending across the link body. 2. The track link of claim 1, wherein the shoe portion delineates a planar lower surface and the link body delineates a contoured upper surface opposite the planar lower surface. 3. The track link of claim 2, wherein the rail protrusion curves upwards from the root to a crest approximately above the pin bore. 4. The track link of claim 2, wherein the roller trough extends between a sprocket lug of the pair of sprocket lugs and a side lug of the pair of side lugs. 5. The track link of claim 4, wherein the roller trough has an arcuate shape between the sprocket lug and the side lug and extends from the root to approximately above the pin bore. 6. The track link of claim 2, wherein each of the pair of side lugs include a shoulder protrusion corresponding to the contoured upper surface, the shoulder protrusion extending from the root to approximately above the pin bore. 7. The track link of claim 6, wherein the shoulder protrusion includes a narrow shoulder width proximate the root that expands to a large shoulder width approximately above the pin bore. 8. The track link of claim 1, wherein the pair of sprocket lugs are joined at the root to the drive beam; the pair of roller lugs are joined at the root to a respective one of the pair of sprocket lugs; and the pair of side lugs are joined at the root to a respective one of the pair of roller lugs. 9. The track link of claim 8, wherein the pair of side lugs corresponding respectively to one of the first body side and the second body side of the link body. 10. The track link of claim 1, wherein one of each of the pair of sprocket lugs, one of each of the pair of roller lugs, and one of each of the pair of side lugs is arranged as part of a first array, and another one of each of the pair of sprocket lugs, one of each of the pair of roller lugs, and one of each of the pair of side lugs is arranged as part of a second array. 11. The track link of claim 10, wherein the pin bores corresponding to the first array are aligned along a first array axis and the pin bores corresponding to the second array are aligned along a second array axis, the first array axis and the second array axis being parallel to the width axis. 12. An undercarriage assembly for a mobile machine comprising: a track frame delineating a frame length extending between a first frame end and a second frame end;a drive sprocket operatively coupled to a power source and rotatably supported by the track frame proximate the first frame end;a plurality of rollers rotatably supported by the track frame and spaced apart between the first frame end and the second frame end;a continuous track including a plurality of track links linked together, each of the plurality of track links including a link body extending between a first body side and a second body side over a shoe portion, the link body having:a drive beam disposed mid-width between the first body side and the second body side and adapted to engage the drive sprocket;a pair of sprocket lugs disposed to either side of the drive beam, each of the pair of sprocket lugs including a rail protrusion projecting above the drive beam, the sprocket lugs adapted to make rolling contact with the drive sprocket;a pair of roller lugs disposed to either side of the pair of sprocket lugs, each of the pair of roller lugs including a roller trough disposed below the rail protrusion of the respective sprocket lug and adapted to make rolling contact with the plurality of rollers;a pair of side lugs disposed to either side of the pair of roller lugs, each of the pair of side lugs including a shoulder protrusion protruding above the roller trough. 13. The undercarriage assembly of claim 12, wherein, when the plurality of track links are linked together, the rail protrusion of each of the pair of sprocket lugs for each of the plurality of track links align to provide a first rail row and a second rail row that are parallel to each other and that extend along a continuous length of the continuous track. 14. The undercarriage assembly of claim 12, wherein, when the plurality of track links are linked together, the roller trough of each of the pair of roller lugs for each of the plurality of track links align to provide a first roller path and a second roller path that are parallel to each other and that extend along a continuous length of the continuous track. 15. The undercarriage assembly of claim 14, wherein each of the plurality of rollers includes a first wheel and a second wheel, the first wheel and the second wheel parallel and spaced apart from each other. 16. The undercarriage assembly of claim 12, wherein each of the pair of sprocket lugs, each of the pair of roller lugs, and each of the pair of side lugs includes a pin bore disposed therein. 17. The undercarriage assembly of claim 16, wherein each of the pair of sprocket lugs, the pair of roller lugs and the pair of side lugs are connected together by a contiguous spine, and each pin bore is offset from the contiguous spine. 18. The undercarriage assembly of claim 17, wherein each of the pair of sprocket lugs projects from the contiguous spine in opposite directions,each of the pair of roller lugs projects from the contiguous spine in opposite directions, andeach of the pair of side lugs projects from the contiguous spine in opposite directions. 19. The undercarriage assembly of claim 12, further comprising an idler supported to rotate by the track frame proximate the second frame end and the pair of sprocket lugs are adapted to make rolling contact with the idler. 20. A method of operating a continuous track including a plurality of track lurks, the plurality of track links each including a drive beam, a pair of sprocket lugs, a pair of roller lugs, and a pair of side lugs, the method comprising: disposing the continuous track about a track frame having a double-wheeled roller with a first wheel and a second wheel and a drive sprocket with a plurality of teeth;rotating the drive sprocket to urge one of the plurality of teeth against the drive beam;rolling the drive sprocket along a rail protrusion protruding from each of the pair of sprocket lugs above the drive beam;rolling the double-wheeled roller along a first roller path and a second roller path corresponding to the pair of roller lugs, the roller lugs each including a roller trough disposed below the rail protrusion of the respective sprocket lug to define the first and second roller paths; andaligning the double-wheeled roller and the continuous track by disposing the first wheel of the double-wheeled roller between the rail protrusion protruding from one of the pair of sprocket lugs and a shoulder protrusion protruding from one of the pair of side lugs, and disposing the second wheel between the rail protrusion protruding from another of the pair of sprocket lug and a shoulder protrusion protruding from another of the pair of side lugs.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Hannan, Keith; Worrall, Philip, Crawler track shoe with multiple roller paths and multiple drive lugs.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.