Continuously tracked vehicles such as tippers and bulldozers endure stresses and strains and it is desirable to reduce these stresses to extend their efficiency and life. A continuous track system is provided, comprising: a support structure supporting at least one jockey wheel and at least two tens
Continuously tracked vehicles such as tippers and bulldozers endure stresses and strains and it is desirable to reduce these stresses to extend their efficiency and life. A continuous track system is provided, comprising: a support structure supporting at least one jockey wheel and at least two tensioner wheels for supporting a track; two tensioners, one end of each tensioner being pivotably connected to the support structure, the two tensioner wheels being rotatably connected to an opposite end, for inducing tension in the track, wherein an axle of each tensioner wheel is pivotably connected by a link member to an axle of an adjacent jockey wheel; a controller for controlling the tensioners, wherein the controller maintains tension in the track by controlling the tensioners; a drive sprocket for rotation of the track; and a slew ring for attaching the support structure to a chassis of the vehicle.
대표청구항▼
1. A continuous track system for tracked vehicles, the system comprising: a support structure supporting at least one jockey wheel and at least two substantially freely rotatable tensioner wheels for supporting a continuous track;at least two tensioners, one end of each tensioner being pivotably con
1. A continuous track system for tracked vehicles, the system comprising: a support structure supporting at least one jockey wheel and at least two substantially freely rotatable tensioner wheels for supporting a continuous track;at least two tensioners, one end of each tensioner being pivotably connected to the support structure, the at least two tensioner wheels being rotatably connected to an opposite end of each tensioner for applying a force to the track to induce tension therein, wherein an axle of each tensioner wheel is pivotably connected by a link member to an axle of an adjacent jockey wheel;a controller for adjustably controlling the at least two tensioners, wherein if the force applied by at least one of the tensioners is overcome by a force external to the system the controller maintains the tension in the track by controlling at least one other of the tensioners;a drive sprocket for rotation of the continuous track;a slew ring for attaching the support structure to a chassis of the vehicle, the slew ring including an aperture for receiving a drive axle of the vehicle, the drive axle for rotating the drive sprocket; anda first plate attached to one side of the slew ring, the plate being attachable in use to the chassis of the vehicle, the first plate extending radially in a first plane parallel to the plane of the circumference of the slew ring. 2. The system according to claim 1, including a rotation limiter for limiting the rotation of the support structure about the drive sprocket. 3. The system according to claim 2, wherein the rotation limiter is connected, in use, at one end to the body of the vehicle and at the other end to the support structure. 4. The system according to claim 1, wherein the support structure includes an attachment member unitary with the slew ring. 5. The system according to claim 1, wherein the support structure includes an attachment member affixed to the slew ring and positionable, in use, between the slew ring and the chassis of the vehicle. 6. The system according to claim 5, wherein the attachment member comprises a plate with an aperture therethrough for receiving the drive axle of the vehicle. 7. The system according to claim 1, wherein the slew ring is configured to allow 360 degree rotation of the support structure relative to the chassis of the vehicle. 8. The system according to claim 1, further comprising at least one second plate unitary with, and extending away from, the first plate in a second plane perpendicular to the first plane. 9. The system according to claim 8, wherein the at least one second plate is curved having a centre of radius position approximately equal to the position of the centre of radius of the drive axle of the vehicle, in use. 10. The system according to claim 1, wherein the tensioners are hydraulic rams. 11. The system according to claim 1, being pre-assembled and retro-fittable to existing vehicles. 12. A tracked vehicle comprising the continuous track system according to claim 1. 13. The tracked vehicle according to claim 12, including a drive axle for driving the drive sprocket, and including a continuous track for being driven by the drive sprocket. 14. An articulated tracked vehicle including an articulation joint, comprising at least four continuous track systems according to claim 1, wherein two systems are located on one side of the articulation joint, and two systems are located on the other side of the articulation joint.
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이 특허에 인용된 특허 (11)
Hansen, Ronald S., Apparatus for converting a wheeled vehicle to a tracked vehicle.
Orr Bobby J. (Springfield IL) Schaffner Donald L. (Springfield IL) Danner Bill A. (Rochester IL), Track idler recoil spring assembly and method for installation and removal.
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