Self propelled land clearing and plowing apparatus
阅读：111发布：2021-08-03
专利汇可以提供Self propelled land clearing and plowing apparatus专利检索，专利查询，专利分析的服务。并且The machine includes a frame carrying a pair of independently driven front rollers rotatable about a common axis, each carrying a set of chopper blades spaced thereabout. The frame also carries a rear roller having a pair of chopper blade sets in side-by-side relation. The blades of each set have common pitch angles with the pitch angles of the blades in the side-by-side sets extending in opposite directions. The front and rear blade sets are longitudinally aligned with the blades thereof having opposite pitch angles, thereby providing a cross chopping action as the machine advances over the ground. The rear roller is carried by a yoke mounted for pivotal movement about a vertical steering axis and a longitudinal axis to permit canting of the rear roller relative to the front roller and frame. A steering motor is provided on the yoke and drives along an arcuate track on the frame to rotate the rear roller about the vertical axis. In another form, the pair of front rollers are replaced by a single roller having arcuate blades, the latter being configured such that the blade tips transcribe the arcs of looped trochoids in the ground with the leading and trailing edges of the arcs of the trochoids intersecting such that a plowing or tilling action is provided.，下面是Self propelled land clearing and plowing apparatus专利的具体信息内容。
1. A machine for clearing land comprising; an elongated frame, front roller means carried by said frame for rotation about a generally horizontal axis; a rear roller, means carried by said frame for mounting said rear roller for rolling movement about the axis thereof, for pivotal movement about a generally vertical axis, and for pivotal movement about an axis generally normal to a plane containing said vertical axis and said roller axis; means for pivoting said rear roller about said vertical axis to steer said machine, and drive means carried by said frame and drivingly coupled to said front roller means to rotate the latter and thereby advance the machine, said front roller means including a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, said rear roller carrying a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each rear blade set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, the blade sets on said front roller means being in substantial longitudinal alignment with the respective sets of blades on the rear roller, the blades of the substantially aligned sets having opposite pitch angles to provide a cross chopping pattern in the land as the machine advances thereover.
2. A machine for clearing land comprising; an elongated frame, front roller means carried by said frame for rotation about a generally horizontal axis; a rear roller, means carried by said frame for mounting said rear roller for rolling movement about the axis thereof, for pivotal movement about a generally vertical axis, and for pivotal movement about an axis generally normal to a plane containing said vertical axis and said roller axis; means for pivoting said rear roller about said vertical axis to steer said machine, and drive means carried by said frame and drivingly coupled to said front roller means to rotate the latter and thereby advance the machine, said front roller means including a pair of laterally spaced rollers, means mounting said rollers for independent rotation relative to one another, said drive means including means for rotating said rollers independently of one another, a plurality of blades being spaced about each of said front rollers, the blades on each of said front rollers extending at substantially common pitch angles with the blades carried by one of said front rollers having pitch angles opposite to the pitch angles of the blades carried by the other of said front rollers, said rear roller carrying a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each rear blade set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, the blades carried by the front rollers being in substantial longitudinal alignment with the respective sets of blades carried by the rear roller, the blades of the substantially aligned sets having opposite pitch angles to provide a cross chopping pattern in the land as the machine advances thereover.
3. A machine for clearing land comprising; an elongated frame, front roller means carried by said frame for rotation about a generally horizontal axis; a rear roller, means carried by said frame for mounting said rear roller for rolling movement about the axis thereof, for pivotal movement about a generally vertical axis, and for pivotal movement about an axis generally normal to a plane containing said vertical axis and said roller axis; means for pivoting said rear roller about said vertical axis to steer said machine, drive means carried by said frame and drivingly Coupled to said front roller means to rotate the latter and thereby advance the machine, said mounting means including a yoke assembly, an arcuate guide carried by one of said frame and yoke assembly, means carried by the other of said frame and said yoke assembly and coupled to said guide, said steering means being cooperable between said frame and said yoke assembly to pivot said yoke assembly about said vertical axis.
4. A machine according to claim 3 wherein said normal axis is spaced above said roller axis, said rear roller being mounted for pivotal movement about said normal axis to permit inclination of said rear roller relative to the horizontal.
5. A machine according to claim 3 wherein said front roller means includes a pair of laterally spaced rollers, and means mounting said rollers for independent rotation relative to one another, said drive means including means for rotating said rollers independently of one another.
6. A machine according to claim 3 wherein said mounting means includes connecting means between said frame and said yoke assembly for pivoting said yoke assembly about the vertical axis and including an arcuate track lying in said plane, said yoke assembly having an arcuate element engageable along said track to support said frame irrespective of a predetermined angular disposition of said rear roller about said normal axis.
7. A machine according to claim 3 wherein said front roller means includes a plurality of blades spaced thereabout and arranged in a pair of side-by-side blade sets, the blades of each set extending at substantially common pitch angles with the blades of one side having pitch angles opposite to the pitch angles of the blades of the other set, said rear roller carrying a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each rear blade set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, the blade sets on said first roller means being in substantial longitudinal alignment with the respective blade sets on the rear roller, the blades of the substantially aligned sets having opposite pitch angles to provide a cross chopping pattern in the land as the machine is advanced thereover.
8. A machine according to claim 7 including a push beam carried by said frame and disposed forwardly of said front roller means, said push beam extending between the opposite sides of the machine.
9. A machine according to claim 8 wherein said front roller means includes a pair of laterally spaced front rollers, and means mounting said rollers for independent rotation relative to one another, said drive means including means for rotating said rollers independently of one another, a blade set being mounted on each of said front rollers.
10. A machine according to claim 5 wherein said rollers are hollow, means for permitting ingress of material into said rollers for weighting the latter, said drive means including an engine, a drive shaft and a differential for driving said rollers independently from said drive shaft.
11. A machine according to claim 3 including means releasably securing said front roller means and said rear roller to said frame.
12. A machine according to claim 3 wherein said rear roller is rotatable about said vertical axis into a position wherein said plane and the long axis of said frame lie in non-perpendicular relation one to the other, said rear roller being pivotable about said normal axis when said rear roller obtains said position.
13. A machine according to claim 3 wherein said front roller means comprises a substantially cylindrically shaped elongated roller pivotally carried by said frame and having a plurality of blades extending from the periphery thereof for immersion in the ground, said blades extending in an axial direction relative to said roller and forming at least portions of helices about said member, said bladEs being spaced one from the other about said roller and having a width and common arcuate cross sections such that next adjacent blade tips transcribe the arcs of longitudinally spaced looped trochoids below the surface of the ground as the machine advances therealong, the leading and trailing arcs of the next adjacent trochoids intersecting at a point below the periphery of said roller a distance greater than one-quarter of the width of the blade whereby the soil within the confines of said looped trochoids is lifted, turned and redeposited on the ground at a point laterally spaced from its initial undisturbed position.
14. An apparatus according to claim 13 wherein said blades have roots which extend radially from said roller, the blades being tapered in cross section to form sharp blade edges.
15. An apparatus according to claim 13 wherein said blade tips enter the ground along a line extending generally perpendicular to the surface of the ground to facilitate blade penetration into the ground.
16. An apparatus according to claim 13 including a colter on one side of said roller, said colter being configured to displace the roller in a lateral direction opposite to the lateral direction in which the helical blades tend to displace the roller as the roller advances along the ground.
17. An apparatus according to claim 13 wherein said colter includes a ring about said roller and having a diameter larger than the diameter of said roller and blade combination.
18. A machine for clearing land comprising: an elongated frame; a pair of rollers, means mounting said rollers in spaced side-by-side relation one to the other to a front portion of said frame for independent rotation relative to one another; means carried by said machine for rotating said front rollers independently of one another to advance said machine along the ground, a plurality of blades spaced about each of said front rollers, the blades on each of said front rollers extending at substantially common pitch angles with the blades carried by one of said front rollers having pitch angles opposite to the pitch angles of the blades carried by the other of said front rollers, a rear roller carried by said frame adjacent a rear portion thereof; said rear roller carrying a plurality of blades thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each rear blade set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, the blades carried by the front rollers being in substantial longitudinal alignment with the respective sets of blades carried by the rear roller, the blades of the substantially aligned sets having opposite pitch angles to provide a cross chopping pattern in the land as the machine advances, and means cooperable with one of said rear roller and pair of front rollers for steering said machine.
19. A machine according to claim 18 including a push beam carried by said frame and disposed forwardly of said front roller means, said push beam extending between the opposite sides of the machine and having a generally concave shape, the lateral ends of said push beam being spaced forwardly from said front roller means a distance greater than the distance between the central portion of said push beam and said front roller means.
20. A machine according to claim 18 including means mounting said rear roller to said frame for pivotal movement about a generally vertical axis and for pivotal movement about an axis generally normal to a plane containing said vertical axis and the rear roller axis; said mounting means including a yoke assembly and an arcuate guide carried by said frame, means carried by said yoke assembly and coupled to said guide, and steering means cooperable between said frame and said yoke assembly to pivot said yoke assembly about said vertical axis.
21. A machine according to claim 20 including connecting means between said frame and said yoke assembly for pivotIng said yoke assembly about the normal axis and including an arcuate track lying in said plane, said yoke assembly having an arcuate element engageable along said track to support said frame irrespective of angular disposition of said rear roller about said normal axis within a predetermined range.
22. A machine for clearing land comprising: an elongated frame, front roller means carried by said frame for rotation about a generally horizontal axis; a rear roller, means carried by said frame for mounting said rear roller for rolling movement about the axis thereof and for pivotal movement about a generally vertical axis, said front roller means including a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, said rear roller carrying a plurality of blades spaced thereabout and arranged in a pair of spaced side-by-side blade sets, the blades of each rear blade set extending at substantially common pitch angles with the blades of one set having pitch angles opposite to the pitch angles of the blades of the other set, the blade sets on said front roller means being in substantial longitudinal alignment with the respective sets of blades on the rear roller, the blades of the substantially aligned sets having opposite pitch angles to provide a cross chopping pattern in the land as the machine advances thereover, means for driving one of said front roller means and said rear roller to advance the machine along the ground, and a push beam carried by said frame and disposed forwardly of said front roller means, said push beam extending between opposite sides of the machine.
23. A machine according to claim 22 wherein said push beam has a generally concave shape, the lateral ends of said push beam being spaced forwardly of said front roller means a distance greater than the distance between the central portion of said push beam and said front rollers.
24. A machine for clearing land comprising; an elongated frame, front roller means carried by said frame for rotation about a generally horizontal axis; a rear roller, means carried by said frame for mounting said rear roller for rolling movement about the axis thereof, for pivotal movement about a generally vertical axis, and for pivotal movement about an axis generally normal to a plane containing said vertical axis and said roller axis; means for pivoting said rear roller about said vertical axis to steer said machine, drive means carried by said frame and drivingly coupled to said front roller means to rotate the latter and thereby advance the machine, and a push beam being carried by said frame and disposed in front of said front roller means, said push beam extending between the opposite sides of the machine and having a generally concave shape, the lateral ends of said push beam being spaced forwardly of said front roller means a distance greater than the distance between the central portion of said push beam and said front roller means.
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