Ground engaging rotary baler
阅读：444发布：2023-12-17
专利汇可以提供Ground engaging rotary baler专利检索，专利查询，专利分析的服务。并且Apparatus for rolling hay into a bale in contact with the ground. A wheeled frame, either self-propelled or towed by a farm tractor, provides a baling chamber which is open at the bottom. Elevating conveyor means at the rear of the chamber picks up material and pushes it forward as the machine advances along a swath. Separate traction conveyor means extends forwardly from the elevating conveyor means to assist in rolling the material and to compact it, and rises as the bale increases in size. When the bale reaches a predetermined size, the elevating conveyor means swings out of the way to release the bale from the chamber.，下面是Ground engaging rotary baler专利的具体信息内容。
1. Hay bale rolling apparatus comprising, in combination: a wheeled frame defining a baling chamber which is open at the bottom; rotary hay elevating conveyor means supported on said frame at the rear of the baling chamber which includes a series of hay engaging elevating fingers on and surrounding the elevating conveyor means to engage hay in a swath and move the hay upwardly and forwardly as the apparatus moves forwardly along the swath; elevating conveyor drive means which drives the elevating conveyor means so that the fingers move upwardLy at the front of the elevating conveyor means and downwardly at the rear of said means; separate rotary bale rolling traction conveyor means in the chamber which includes a traction frame the rear end of which is adjacent the elevating conveyor means, a series of hay engaging traction fingers on and surrounding the traction conveyor means to engage hay in a forming bale, and support means mounting the traction frame on said wheeled frame so that at least its forward end is movable up and down in the chamber, whereby said traction fingers may initially engage hay near the bottom of the chamber and may move upwardly as a bale is rolled in the chamber, said traction conveyor means bearing on the forming bale to compact it; traction conveyor drive means which drives the traction conveyor so that the traction fingers move forwardly at the bottom of the traction conveyor means and rearwardly at the top of said traction conveyor means; and means operable to move the hay elevating conveyor means upwardly to release a bale from the chamber.
2. The apparatus of claim 1 in which the rotary hay elevating conveyor means includes a lower sprocket cross shaft that is normally close to the ground, an upper sprocket cross shaft above and slightly forward of a vertical plane through the lower shaft, elevating sprockets on said shafts, and elevating chains trained over said elevating sprockets, and in which the elevating fingers are on the chains.
3. The apparatus of claim 2 in which the traction conveyor means includes a rear sprocket cross shaft mounted in the rear end portion of the traction frame, a front sprocket cross shaft mounted in the forward portion of said traction frame, traction sprockets on said shafts, traction chains trained over said traction sprockets, and in which the traction fingers are on the chains.
4. The apparatus of claim 1 in which the traction conveyor means includes a rear sprocket cross shaft mounted in the rear end portion of the traction frame, a front sprocket cross shaft mounted in the forward portion of said traction frame, traction sprockets on said shafts, traction chains trained over said traction sprockets, and in which the traction fingers are on the chains.
5. The apparatus of claim 1 which includes means yieldingly resisting upward movement of the traction conveyor means.
6. The apparatus of claim 1 in which the elevating conveyor drive means and the traction conveyor drive means drive the respective conveyor means at different speeds.
7. The apparatus of claim 1 in which the support means mounts the traction conveyor means for vertical translatory movement and which includes guide means on the wheeled frame and on the traction frame which confines the latter to said movement.
8. The apparatus of claim 7 in which the support means comprises sheave and cable suspension means including sheaves on the wheeled frame and on the traction frame at each side of the latter, and hydraulic means operatively connected to said cable suspension means for raising and lowering the traction conveyor means.
9. The apparatus of claim 8 which includes spring means between the wheeled frame and the traction frame biasing the traction conveyor means downwardly.
10. The apparatus of claim 8 in which the traction conveyor drive means comprises means for applying driving force to a sheave of the suspension means which is on the wheeled frame and means for transmitting power from a sheave of the suspension means which is on the traction frame to one of the traction sprocket means.
11. The apparatus of claim 8 in which the support means includes a cable and sheave system on each side of the apparatus, each said system comprising suspension sheaves on the wheeled frame above the front and rear ends of the traction frame, a traction frame sheave adjacent each end of the traction frame, an arm pivoted on the wheeled frame and having a free end which is movable toward and away from the traction frame, a compensating sheave on the free end of Said arm, hydraulic means for swinging said arm about its pivot, a lower sheave below the arm, and a continuous cable trained beneath the lower sheave, over the compensating sheave, over the rear suspension sheave, under the two traction frame sheaves, over the front suspension sheave and back to the lower sheave, whereby the traction frame is suspended by the cables of said systems and may be raised and lowered by swinging said arms, and in which the traction conveyor drive means includes means for applying driving force to a lower sheave of one of said systems and means on a traction sheave of said one of said systems for transmitting driving force to one of the traction conveyor sprocket means.
12. The apparatus of claim 7 in which the support means comprises a hydraulic cylinder and piston unit mounted on the wheeled frame forward of the traction frame, and a lever which has its fulcrum on the wheeled frame and its ends operatively connected to the cylinder and piston unit and to the traction frame.
13. The apparatus of claim 12 in which the lever has its fulcrum closer to the cylinder and piston unit connection than to the traction frame connection.
14. The apparatus of claim 12 in which the cylinder and piston unit is in a hydraulic circuit which includes accumulator means so that the unit yieldingly resists upward movement of the traction conveyor means.
15. The apparatus of claim 14 in which the accumulator means is adjustable to vary the force with which the unit resists upward movement of the traction frame.
16. The apparatus of claim 12 in which the traction conveyor drive means comprises a hydraulic motor mounted on the traction frame.
17. The apparatus of claim 7 in which the guide means comprises upstanding guide rods surmounting the traction frame and guidingly engaging means on the top of the wheeled frame.
18. The apparatus of claim 7 in which the guide means comprises an upright guide track in the wheeled frame adjacent each corner of the traction frame, and shoes on the traction frame engaging said guide tracks.
19. The apparatus of claim 1 in which the support means for the traction frame comprises a transverse pivotal connection between the rear end portion of the traction frame and the wheeled frame.
20. The apparatus of claim 19 which includes resilient means resisting upward pivotal movement of the traction frame.
21. The apparatus of claim 20 which includes means for adjusting the force with which the resilient means resists upward pivotal movement of the traction frame.
22. The apparatus of claim 1 in which the elevating conveyor means includes an upright frame in which the rotary means is mounted, means pivoting the upper end of said upright frame on the wheeled frame, means normally retaining said upright frame in an upright position, and means for pivoting the upright frame rearwardly to release a bale from the chamber.
23. The apparatus of claim 22 which includes hydraulic cylinder and piston means having a first position in which it retains the upright frame in its upright position, and a hydraulic circuit for the cylinder and piston including a control valve actuable when the bale reaches a predetermined size to move the piston for pivoting said upright frame.
24. The apparatus of claim 23 which includes a control valve actuator positioned to be contacted by an actuating finger which moves coordinately with the traction conveyor means so as to release a bale when said traction conveyor means reaches a predetermined height.
25. The apparatus of claim 24 in which the position of the actuating finger is adjustable to vary the size of bales released.
26. The apparatus of claim 22 in which the elevating conveyor drive means comprises a hydraulic motor mounted on the upright frame and drivingly connected with the rotary means.
27. The apparatus of claim 26 in which the support means mounts the traction frame for vertical translatory movement, and in which the traction conveyor drive means comprises a hydrauliC motor mounted on the traction frame.
28. The apparatus of claim 22 in which the support means mounts the traction frame for vertical translatory movement, and which includes guide means on the wheeled frame and on the traction frame which confines the latter to said movement.
29. The apparatus of claim 28 in which the support means comprises sheave and cable suspension means including sheaves on the wheeled frame and on the traction frame at each side of the latter, and hydraulic means operatively connected to said cable suspension means for raising and lowering the traction conveyor means.
30. The apparatus of claim 29 which includes spring means between the wheeled frame and the traction frame biasing the traction conveyor means downwardly.
31. The apparatus of claim 29 in which the traction conveyor drive means comprises means for applying driving force to a sheave of the suspension means which is on the wheeled frame and means for transmitting power from a sheave of the suspension means which is on the traction frame to one of the traction sprocket means.
32. The apparatus of claim 28 in which the support means includes a cable and sheave system on each side of the apparatus, each said system comprising suspension sheaves on the wheeled frame above the front and rear ends of the traction frame, a traction frame sheave adjacent each end of the traction frame, an arm pivoted on the wheeled frame and having a free end which is movable toward and away from the traction frame, a compensating sheave on the free end of said arm, hydraulic means for swinging said arm about its pivot, a lower sheave below the arm, and a continuous cable trained beneath the lower sheave, over the compensating sheave, over the rear suspension sheave, under the two traction frame sheaves, over the front suspension sheave and back to the lower sheave, whereby the traction frame is suspended by the cable of said systems and may be raised and lowered by swinging said arms, and in which the traction conveyor drive means includes means for applying driving force to lower sheave of one of said systems and means on a traction sheave of said one of said system for transmitting driving force to one of the traction conveyor sprocket means.
33. The apparatus of claim 22 in which the support means comprises a hydraulic cylinder and piston unit mounted on the wheeled frame forward of the traction frame, and a lever which has its fulcrum on the wheeled frame and its ends operatively connected to the cylinder and piston unit and to the traction frame.
34. The apparatus of claim 33 in which the lever has its fulcrum closer to the cylinder and piston unit connection than to the traction frame connection.
35. The apparatus of claim 33 in which the cylinder and piston unit is in a hydraulic circuit which includes accumulator means so that the unit yieldingly resists upward movement of the traction conveyor means.
36. The apparatus of claim 35 in which the accumulator means is adjustable to vary the force with which the unit resists upward movement of the traction frame.
37. The apparatus of claim 33 in which the traction conveyor drive means comprises a hydraulic motor mounted on the traction frame.
38. The apparatus of claim 22 in which the guide means comprises upstanding guide rods surmounting the traction frame and guidingly engaging means on the top of the wheeled frame.
39. The apparatus of claim 22 in which the guide means comprises an upright guide track in the wheeled frame adjacent each corner of the traction frame, and shoes on the traction frame engaging said guide tracks.
40. The apparatus of claim 1 in which the elevating conveyor means occupies a fixed position at the rear of the wheeled frame, and in which hydraulic cylinder and piston means is provided with a piston which is extended to tilt the wheeled frame forwardly and thereby release a bale from the chamber.
41. The apparatus of claim 40 in which the support means for the traction frame comprises a tranSverse pivotal connection between the rear end portion of the traction frame and the wheeled frame.
42. The apparatus of claim 41 which includes resilient means resisting upward pivotal movement of the traction frame.
43. The apparatus of claim 42 which includes means for adjusting the force with which the resilient means resists upward pivotal movement of the traction frame.
44. The apparatus of claim 40 in which the hydraulic cylinder and piston means includes a hydraulic circuit with a control valve actuable when the bale reaches a predetermined size to extend the piston.
45. The apparatus of claim 44 which includes a control valve actuator positioned to be contacted by an actuating finger which moves coordinately with the traction conveyor means so as to release a bale when said traction conveyor means reaches a predetermined height.
46. The apparatus of claim 45 in which the position of the actuating finger is adjustable to vary the size of bales released from the chamber.
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