Agricultural apparatus for sensing and providing feedback of soil property changes in real time
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01B-071/02
A01C-007/20
출원번호
US-0861137
(2013-04-11)
등록번호
US-9107337
(2015-08-18)
발명자
/ 주소
Bassett, Joseph D.
출원인 / 주소
Dawn Equipment Company
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
16인용 특허 :
216
초록▼
A planting row unit is attachable to a towing frame and is movable in a forward direction on a field having soil of varying hardness conditions. The planting row unit includes an opener device forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the see
A planting row unit is attachable to a towing frame and is movable in a forward direction on a field having soil of varying hardness conditions. The planting row unit includes an opener device forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the seeds. The opener device includes a soil-hardness sensor for detecting changes in soil-hardness conditions and an opener blade for maintaining, in response to the changes, a constant soil-penetration depth Z in the soil independent of the varying hardness conditions. A modular actuator is mounted to the opener device for applying pressure to the opener blade, the modular actuator being mountable to at least one other component of the planting row unit for applying pressure.
대표청구항▼
1. A planting row unit attachable to a towing frame, the planting row unit being movable in a forward direction on a field having soil of varying hardness conditions, the planting row unit including an opener device forward of the towing frame for preparing the soil for receiving at least one of the
1. A planting row unit attachable to a towing frame, the planting row unit being movable in a forward direction on a field having soil of varying hardness conditions, the planting row unit including an opener device forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the seeds, the opener device including a soil-hardness sensor for detecting changes in soil-hardness conditions;an opener blade for maintaining, in response to the changes, a constant soil-penetration depth Z in the soil independent of the varying hardness conditions; anda modular actuator mounted to the opener device for applying pressure to the opener blade, the modular actuator being mountable to at least one other component of the planting row unit for applying pressure. 2. The planting row unit of claim 1, wherein the at least one other component is a device selected from a group consisting of a row-clearing unit and a closing wheel. 3. The planting row unit of claim 1, wherein the planting row unit further includes a parallel linkage coupled to the towing frame via a front frame, the modular actuator being mountable to the parallel linkage for applying pressure to the planting row unit. 4. The planting row unit of claim 1, wherein the modular actuator is a double-acting actuator in which controllable pressure is applied, alternately, upwards and downwards. 5. The planting row unit of claim 1, further comprising an upper support attached to a mounting bracket, the mounting bracket being rigidly attachable directly to the towing frame, the modular actuator having a fixed end removably attached to the upper support via a fastener. 6. The planting row unit of claim 5, further comprising a swing arm coupled to the upper support at an upper end and to the opener blade at a lower end, the modular actuator having a movable end removably attached to the upper end of the swing arm. 7. The planting row unit of claim 1, wherein the soil-hardness sensor is selected from a group consisting of an analog sensor and a digital sensor. 8. The planting row unit of claim 1, further comprising a blade arm having a distal end in which the soil-hardness sensor is integratedly mounted, the blade arm being coupled to the blade opener at a proximal end, the soil-hardness sensor having an indicator for indicating a performance condition of the soil-hardness sensor. 9. The planting row unit of claim 8, wherein the soil-hardness sensor is shielded with a cover having material selected from a group consisting of a transparent material and a translucent material. 10. The planting row unit of claim 8, further comprising a torsion spring integratedly mounted in the distal end of the blade arm, the torsion spring consisting of a compressive material. 11. An agricultural system comprising: a towing frame; anda plurality of planting row units attached to the towing frame in a side-by-side arrangement, the plurality of planting row units being movable in a forward direction on a field having soil of varying hardness conditions, the soil including a soft soil and a hard soil, at least one of the plurality of planting row units including an opener device forward of the towing frame for preparing the soil for receiving at least one of the fertilizer and the seeds, the opener device including a soil-hardness sensor for detecting changes in soil-hardness conditions,an opener blade for maintaining, in response to the changes, a constant soil-penetration depth Z in the soil independent of the varying hardness conditions, anda modular actuator mounted to the opener device for applying pressure to the opener blade, the modular actuator being mountable to at least one other component of the planting row unit for applying pressure. 12. The agricultural system of claim 11, wherein the at least one other component is a device selected from a group consisting of a row-clearing unit and a closing wheel. 13. The agricultural system of claim 11, wherein the at least one planting row unit further includes a parallel linkage coupled to the towing frame via a front frame, the modular actuator being mountable to the parallel linkage for applying pressure to the at least one planting row unit. 14. The agricultural system of claim 11, wherein the modular actuator is a double-acting actuator in which controllable pressure is applied, alternately, upwards and downwards. 15. The agricultural system of claim 11, wherein the at least one planting row unit further includes an upper support attached to a mounting bracket, the mounting bracket being rigidly attached directly to the towing frame, the modular actuator having a fixed end removably attached to the upper support via a fastener. 16. The agricultural system of claim 15, further comprising a swing arm coupled to the upper support at an upper end and to the opener blade at a lower end, the modular actuator having a movable end removably attached to the upper end of the swing arm. 17. The agricultural system of claim 11, wherein the soil-hardness sensor is selected from a group consisting of an analog sensor and a digital sensor. 18. The agricultural system of claim 11, wherein the at least one planting row unit further includes a blade arm having a distal end in which the soil-hardness sensor is integratedly mounted, the blade arm being coupled to the blade opener at a proximal end, the soil-hardness sensor having an indicator for indicating a performance condition of the soil-hardness sensor. 19. The agricultural system of claim 18, wherein the soil-hardness sensor is shielded with a cover having material selected from a group consisting of a transparent material and a translucent material. 20. The agricultural system of claim 18, further comprising a torsion spring integratedly mounted in the distal end of the blade arm, the torsion spring having a rectangular shape and consisting of a compressive material.
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