An agricultural piston bale press includes a pressing piston, a main driving mechanism, an intake device to take in crop material, and a stuffing device. The stuffing device includes a feed passage and a stuffing mechanism that has a tine arm supporting tines that can be moved along a stuffing traje
An agricultural piston bale press includes a pressing piston, a main driving mechanism, an intake device to take in crop material, and a stuffing device. The stuffing device includes a feed passage and a stuffing mechanism that has a tine arm supporting tines that can be moved along a stuffing trajectory, and a drive mechanism for driving the tine arm. The drive mechanism is configured to move the tine arm in a cyclic movement along a constant trajectory, and that the tines are movably supported on the tine arm so that the tines can be arranged in different positions with respect to the tine arm to follow different trajectories.
대표청구항▼
1. An agricultural piston bale press, comprising: a pressing piston arranged in a bale chamber to form bales of crop material;a main drive mechanism to drive the pressing piston;an intake device to take in crop material, anda stuffing device to stuff crop material taken in by the intake device and t
1. An agricultural piston bale press, comprising: a pressing piston arranged in a bale chamber to form bales of crop material;a main drive mechanism to drive the pressing piston;an intake device to take in crop material, anda stuffing device to stuff crop material taken in by the intake device and to load the stuffed crop material to the bale chamber,wherein the stuffing device comprises a feed passage and a stuffing mechanism, the stuffing mechanism comprising a tine arm supporting tines, which tines can be moved along at least one stuffing trajectory to stuff crop material in the feed passage, and a drive mechanism to drive the tine arm,wherein the drive mechanism is configured to move the tine arm in a cyclic movement along a constant trajectory, the tines being movably supported on the tine arm by a pivotal connection so that the tines are arranged in different positions with respect to the tine arm to follow different trajectories, and wherein the stuffing mechanism comprises a tine locking device, wherein the tine locking device has a locked position to lock the tines in a loading position and an unlocked position wherein the tines are freely movable with respect to the tine arm. 2. The agricultural piston bale press of claim 1, wherein the tines are arranged in one or more positions to follow a stuffing trajectory and in one or more positions to follow a load trajectory to load stuffed crop material from the feed passage into the bale chamber. 3. The agricultural piston bale press of claim 1, wherein the cyclic movement of the tine arm along the constant trajectory is a continuous movement. 4. The agricultural piston bale press of claim 1, wherein the tine arm is pivotable about a first pivot axis, which first pivot axis is mounted on a rotation element, the rotation element being rotatable about a second pivot axis mounted on the frame. 5. The agricultural piston bale press of claim 1, wherein the stuffing mechanism is configured to move the tines between an extended position and a retracted position with respect to the tine arm during the stuffing trajectory. 6. The agricultural piston bale press of claim 1, wherein the stuffing mechanism comprises a biasing element to bias the tines in the loading position. 7. The agricultural piston bale press of claim 6, wherein the biasing element comprises a spring arranged between the tine arm and the tines and at least one cam track arranged between the tines and the frame. 8. The agricultural piston bale press of claim 1, wherein the tines are pivotably supported on the tine arm. 9. The agricultural piston press of claim 1, wherein, during a stuffing cycle, the tine locking device is arranged in the unlocked position, and wherein crop material in the feed passage pushes the tines out of the loading position to move the tines along the stuffing trajectory. 10. The agricultural piston press of claim 9, wherein the stuffing mechanism comprises a biasing element to bias the tines in the loading position wherein the biasing element comprises a spring arranged between the tine arm and the tines and at least one cam track arranged between the tines and the frame. 11. The agricultural piston bale press of claim 1, further comprising a linear actuator and a linear guiding device, so that the tines are translatable in a longitudinal direction of the tine arm. 12. The agricultural piston bale press of claim 1, wherein the tines are rotationally mounted on the tine arm, wherein the tines comprise a first set of tine ends extending in a first direction with respect to a mounting location on the tine arm, and a second set of tine ends extending at a different angle with respect to the mounting location, wherein the tine ends are alternatively used for stuffing and loading of crop material. 13. The agricultural piston bale press of claim 1, wherein the stuffing device is configured to move the tines along two or more stuffing trajectories. 14. The agricultural piston bale press of claim 1, wherein the position of the tines with respect to the tine arm is controlled directly or indirectly on the basis of a force exerted on the tines, a position of the tines with respect to the tine arm, a location of the tines on the constant trajectory and a pressure exerted on the crop material in the feed passage. 15. The agricultural piston bale press of claim 1, wherein the tines are arranged in one or more positions to follow a stuffing trajectory or in one or more positions to follow a load trajectory to load stuffed crop material from the feed passage into the bale chamber. 16. The agricultural piston bale press of claim 6, wherein the biasing element comprises a spring arranged between the tine arm and the tines, or and at least one cam track arranged between the tines and the frame. 17. The agricultural piston press of claim 9, wherein the stuffing mechanism comprises a biasing element to bias the tines in the loading position wherein the biasing element comprises a spring arranged between the tine arm and the tines, or at least one cam track arranged between the tines and the frame. 18. The agricultural piston bale press of claim 1, wherein the tines are rotationally mounted on the tine arm, wherein the tines comprise a first set of tine ends extending in a first direction with respect to a mounting location on the tine arm, and a second set of tine ends extending at a different angle with respect to the mounting location, wherein the tine ends are alternatively used for stuffing or loading of crop material. 19. The agricultural piston bale press of claim 1, wherein the position of the tines with respect to the tine arm is controlled directly or indirectly on the basis of at least one of a force exerted on the tines, a position of the tines with respect to the tine arm, a location of the tines on the constant trajectory, and a pressure exerted on the crop material in the feed passage.
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