A track assembly for a mobile tower of an irrigation system includes: a mounting bracket configured to be attached to the mobile tower; a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket; a drive wheel attached to the drive hub; rotatable tension wheel hub attached to
A track assembly for a mobile tower of an irrigation system includes: a mounting bracket configured to be attached to the mobile tower; a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket; a drive wheel attached to the drive hub; rotatable tension wheel hub attached to the mounting bracket and spaced from the drive hub; a tension wheel attached to the tension wheel hub; and a track trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower.
대표청구항▼
1. A track assembly for a mobile tower of an irrigation system, the track assembly comprising: a mounting bracket configured to be attached to the mobile tower;a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket;a drive wheel attached to the drive wheel hub;a rotatable
1. A track assembly for a mobile tower of an irrigation system, the track assembly comprising: a mounting bracket configured to be attached to the mobile tower;a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket;a drive wheel attached to the drive wheel hub;a rotatable tension wheel hub attached to the mounting bracket and spaced from the drive wheel hub;a tension wheel attached to the tension wheel hub; anda track belt trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower, wherein the mounting bracket includes a pair of spaced-apart guide walls that define an adjustment channel, wherein the tension wheel hub is mounted to a support tube that can be moved along a length of the channel to adjust the tension of the track belt. 2. The track assembly as set forth in claim 1, wherein the mobile tower includes a drive tube, wherein the track assembly further includes a hinge plate for mounting to the drive tube and wherein the mounting bracket is configured to be pivotally attached to one end of the drive tube. 3. The track assembly as set forth in claim 1, wherein the drive wheel and the tension wheel each include a number of spaced-apart outwardly projecting pegs and the track belt includes a number of spaced-apart holes that receive the pegs to keep the track centered on the drive wheel and the tension wheel. 4. The track assembly as set forth in claim 1, wherein the drive wheel, the tension wheel, and the track belt are all less than 13″ wide. 5. The track assembly as set forth in claim 1, wherein the track belt is tensioned by the tension wheel alone without an undercarriage. 6. A track assembly for a mobile tower of an irrigation system, the mobile tower having a drive tube, the track assembly comprising: a hinge plate for attachment to one end of the drive tube;a mounting bracket pivotally attached to the hinge plate;a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket;a drive wheel attached to the drive wheel hub;a rotatable tension hub attached to the mounting bracket and spaced from the drive wheel hub, the tension wheel hub being shiftable relative to the mounting bracket and the drive wheel hub;a tension wheel attached to the tension wheel hub;a track belt trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower, wherein the mounting bracket includes a pair of spaced-apart guide walls that define an adjustment channel, wherein the tension wheel hub is mounted to a support tube that can be moved along a length of the channel to tension the track belt. 7. The track assembly as set forth in claim 6, wherein the hinge plate includes a pair of spaced-apart flanges with vertically aligned holes, wherein the mounting bracket includes a pair of spaced-apart flanges with vertically-aligned holes, and wherein the mounting bracket is pivotally attached to the hinge plate with a locking pin that fits through the aligned holes. 8. The track assembly as set forth in claim 6, wherein the drive wheel and the tension wheel each include a number of spaced-apart outwardly projecting pegs and the track includes a number of spaced-apart holes that are engaged by the pegs to keep the track centered on the drive wheel and the tension wheel. 9. An irrigation system comprising: a central pivot;a series of mobile towers connected to the central pivot and to one another by support structure, each mobile tower having a drive tube, a drive motor, and a drive shaft driven by the drive motor; andat least one track assembly for supporting at least one of the mobile towers above a ground to be irrigated by the irrigation system, the track assembly comprising: a mounting bracket configured to be attached to the mobile tower;a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket;a drive wheel attached to the drive wheel hub;a rotatable tension wheel hub attached to the mounting bracket and spaced from the drive wheel hub;a tension wheel attached to the tension wheel hub;a track trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower, wherein the mounting bracket includes a pair of spaced-apart guide walls that define an adjustment channel, wherein the tension wheel hub is mounted to a support tube that can be moved along a length of the channel to tension the track belt. 10. The irrigation system as set forth in claim 9, further comprising: a water distribution conduit supported by the support structure; anda number of fluid-emitting devices connected to the water distribution conduit. 11. The irrigation system as set forth in claim 9, wherein the drive wheel, the tension wheel, and the track belt are all less than 13″ wide. 12. The irrigation system as set forth in claim 9, wherein the track belt is tensioned by the tension wheel alone without an undercarriage.
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이 특허에 인용된 특허 (13)
Weatherl, Bradley G.; Neff, Darin J., High torque driveline coupler.
Lyle William M. (Rt. 1 ; Box 235 Ralls TX 79357) Bordovsky James P. (2004 W. 18th Plainview TX 79072), Irrigation system for precise water and chemical application.
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