CN107318611B - Hydraulic driving type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizer applying mechanism - Google Patents
Hydraulic driving type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizer applying mechanism Download PDFInfo
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- CN107318611B CN107318611B CN201710664957.XA CN201710664957A CN107318611B CN 107318611 B CN107318611 B CN 107318611B CN 201710664957 A CN201710664957 A CN 201710664957A CN 107318611 B CN107318611 B CN 107318611B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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Abstract
A hydraulic drive type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing mechanism, belonging to agricultural machinery; a cylindrical chute type cam is arranged on a movable frame, a driving chain wheel is fixedly arranged on the cylindrical chute type cam, a sliding frame is assembled on the movable frame, one end of the sliding frame is inserted into an arc chute of the cylindrical chute type cam, a fertilizer spraying needle assembly is assembled on the lower part of the sliding frame, a bent pushing plate is fixedly arranged on the lower part of the inner side of the movable frame, the bent pushing plate is in contact or out of contact with and matched with a fertilizer spraying switch column on the fertilizer spraying needle assembly, a hydraulic driving system is formed by a hydraulic oil tank, a hydraulic oil pump, a speed regulating valve, a reversing valve and a two-way hydraulic oil cylinder, and an action control system is formed by a speed measuring sensor and a central controller; the mechanism realizes the liquid fertilization of the vertical posture and horizontal zero-speed hole pricking of the fertilizer spraying needle, and has the advantages of simple structure, high automation degree, strong applicability, good operation quality, reliable use and high liquid fertilizer use efficiency.
Description
Technical Field
The invention belongs to agricultural machinery, and mainly relates to a vertical posture and horizontal zero-speed hole pricking and fertilizing mechanism of a fertilizer spraying needle.
Background
The hydraulic fertilizer applicator is an operation machine which applies liquid fertilizer deeply into soil and acts near the root of crops, and has the characteristics of obvious fertilizer saving effect, production increase, income increase and higher economic and social benefits. The existing liquid fertilizer applicator mainly adopts a rotary type driving fertilizer spraying needle to realize alternate hole pricking, a driving part is an irregular gear planetary system, the processing precision is high, the machine tool is complex, particularly, the planetary gear system is adopted as the driving part, the machine tool cannot guarantee the vertical posture of the fertilizer spraying needle and realize horizontal zero-speed hole pricking, the hole opening on the ridge surface is large, and finally, the liquid fertilizer is seriously volatilized, the absorption and the growth of crops on the liquid fertilizer are influenced, and the environment is polluted.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and designs a hydraulic drive type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing mechanism by combining with the actual needs of agricultural production operation, so that the aims of always ensuring the fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing operation of the liquid fertilizing mechanism under the condition that a tractor pulls a fertilizer applying machine with variable speed to advance, and the hydraulic drive type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing mechanism has a simple structure, high automation degree, reliable use and good operation quality are achieved.
The invention aims to realize the aim that a cylindrical chute type cam is rotatably arranged in the middle of a moving frame, a driving chain wheel is fixedly arranged on the upper side part of the cylindrical chute type cam, a sliding frame can be assembled on the moving frame in a vertically moving way, one end part of the sliding frame is inserted into an arc chute on the surface of the cylindrical chute type cam, a fertilizer spraying needle assembly is assembled on the lower side part of the sliding frame, a bent pushing plate is fixedly arranged on the lower part of the moving frame, and the bent pushing plate is in contact or separated contact fit with a fertilizer spraying switch column on the fertilizer spraying needle assembly; the hydraulic oil pump is communicated with the speed regulating valve through an oil conveying pipe A, the speed regulating valve is communicated with the reversing valve through an oil conveying pipe C, and the reversing valve is communicated with the bidirectional hydraulic oil cylinder through two oil conveying pipes D; the speed measuring sensor and the central controller, the central controller and the speed regulating valve, and the central controller and the reversing valve are respectively communicated through the conducting wires, so that the hydraulic driving type hole pricking and fertilizing mechanism with the fertilizer spraying needle in the vertical posture and the horizontal zero speed is formed.
The mechanism monitors the travelling operation speed of the tractor in real time through the speed measuring sensor, the central controller analyzes the measured signal and then controls the horizontal backward moving speed of the two-way hydraulic oil cylinder, the horizontal variable motion of the whole moving frame is realized, the vertical posture of the fertilizer spraying needle assembly is met through the cylindrical sliding groove type cam to prick holes, and the horizontal zero-speed hole pricking and fertilizing functions of the fertilizer spraying needle are finally met through the synthesis of the two motions. The mechanism can realize horizontal zero-speed hole pricking and fertilization under the condition that the tractor moves forwards at variable speed, and has the characteristics of simple structure, high automation degree, strong adaptability, good operation quality, reliable use and high use efficiency of liquid fertilizer.
Drawings
FIG. 1 is a schematic view of the general structure of a hydraulically driven fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing mechanism;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of the matching structure of the fertilizer spraying needle and the bent push plate in fig. 2.
Description of part numbers in the figures:
1. the device comprises a hydraulic oil tank, 2, oil delivery pipes A and 3, a hydraulic oil pump, 4, a speed measurement sensor, 5, a cylindrical sliding groove type cam, 6, a driving chain wheel, 7, a moving frame, 8, a fertilizer spraying needle assembly, 9, a two-way hydraulic oil cylinder, 10, oil delivery pipes D and 11, a central controller, 12, a reversing valve, 13, oil delivery pipes C and 14, a speed regulating valve, 15, oil delivery pipes B and 16, a bent pushing plate, 17, a fertilizer spraying switch column, 18 and a sliding frame.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A hydraulic drive type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizing mechanism is characterized in that a cylindrical chute type cam 5 is rotatably mounted in the middle of a moving frame 7, a driving chain wheel 6 is fixedly mounted on the upper side portion of the cylindrical chute type cam 5, a sliding frame 18 can be assembled on the moving frame 7 in a vertically moving mode, one end portion of the sliding frame 18 is inserted into an arc-shaped chute on the surface of the cylindrical chute type cam 5, a fertilizer spraying needle assembly 8 is assembled on the lower side portion of the sliding frame 18, a bent pushing plate 16 is fixedly mounted on the lower portion of the inner side of the moving frame 7, and the bent pushing plate 16 is in contact or separation contact fit with a fertilizer spraying switch column 17 on the fertilizer spraying needle assembly 8; the hydraulic oil pump is characterized in that an oil cylinder rod of a fixedly arranged bidirectional hydraulic oil cylinder 9 is connected with a moving frame 7, a hydraulic oil tank 1 is communicated with a hydraulic oil pump 3 through an oil pipeline A2, the hydraulic oil pump 3 is communicated with a speed regulating valve 14 through an oil pipeline B15, the speed regulating valve 14 is communicated with a reversing valve 12 through an oil pipeline C13, and the reversing valve 12 is communicated with the bidirectional hydraulic oil cylinder 9 through two oil pipelines D10; the speed measuring sensor 4 is respectively communicated with the central controller 11, the central controller 11 is communicated with the speed regulating valve 14, and the central controller 11 is communicated with the reversing valve 12 through wires.
When the hole pricking fertilizer applicator is used, the whole mechanism is assembled on the hole pricking fertilizer applicator and driven by a traction tractor to advance in the field, a hydraulic oil pump 3 drives hydraulic oil in a hydraulic oil tank 1 to extend through a speed regulating valve 14 and a reversing valve 12 to drive an oil cylinder rod of a bidirectional hydraulic oil cylinder 9, at the moment, a moving frame 7 moves on the hole pricking fertilizer applicator in the direction opposite to the advancing direction of the hole pricking fertilizer applicator, the speed regulating valve 14, the reversing valve 12 and a speed measuring sensor 4 are connected with a central controller 11, the advancing speed of the hole pricking fertilizer applicator is monitored by the speed measuring sensor 4 in real time, the extending speed of the oil cylinder rod of the bidirectional hydraulic oil cylinder 9 is timely changed by the speed regulating valve 14 and the reversing valve 12 under the control of the central controller 11, so that the moving frame 7 drives a fertilizer spraying needle 8 to move backwards at the same speed as the advancing speed of the hole pricking fertilizer applicator, namely, the absolute speed in the horizontal direction, due to the action of the arc-shaped sliding groove, the sliding frame 18 is driven to repeatedly move up and down on the moving frame 7, and the fertilizer spraying needle assembly 8 is driven to perform hole punching movement of soil entering and exiting; the fertilizer spraying needle assembly 8 finishes the actions of fertilizer spraying when entering soil and fertilizer spraying when leaving soil under the touch of the bent push plate 16. At this moment, the fertilizer spraying needle assembly 8 completes one-time hole pricking and fertilizer spraying operation of the vertical posture and the horizontal zero speed of the fertilizer spraying needle according to the advancing speed of the traction machine. And circulating in sequence.
Claims (1)
1. The utility model provides a perpendicular gesture of hydraulic drive formula fertilizer spraying needle and horizontal zero-speed hole-pricking fertilizing mechanism which characterized in that: a cylindrical chute type cam (5) is rotatably mounted in the middle of a moving frame (7), a driving chain wheel (6) is fixedly mounted on the upper side part of the cylindrical chute type cam (5), a sliding frame (18) can be assembled on the moving frame (7) in a vertically moving mode, one end part of the sliding frame (18) is inserted into an arc-shaped chute on the surface of the cylindrical chute type cam (5), a fertilizer spraying needle assembly (8) is assembled on the lower side part of the sliding frame (18), a bent pushing plate (16) is fixedly mounted on the lower part of the inner side of the moving frame (7), and the bent pushing plate (16) is in contact or separation contact fit with a fertilizer spraying switch column (17) on the fertilizer spraying needle assembly (8); a cylinder rod of a fixedly arranged two-way hydraulic cylinder (9) is connected with a moving frame (7), a hydraulic oil tank (1) is communicated with a hydraulic oil pump (3) through an oil delivery pipe A (2), the hydraulic oil pump (3) is communicated with a speed regulating valve (14) through an oil delivery pipe B (15), the speed regulating valve (14) is communicated with a reversing valve (12) through an oil delivery pipe C (13), and the reversing valve (12) is communicated with the two-way hydraulic cylinder (9) through two oil delivery pipes D (10); the speed measuring sensor (4) is communicated with the central controller (11), the central controller (11) is communicated with the speed regulating valve (14), and the central controller (11) is communicated with the reversing valve (12) through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664957.XA CN107318611B (en) | 2017-08-07 | 2017-08-07 | Hydraulic driving type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizer applying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664957.XA CN107318611B (en) | 2017-08-07 | 2017-08-07 | Hydraulic driving type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizer applying mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN107318611A CN107318611A (en) | 2017-11-07 |
| CN107318611B true CN107318611B (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710664957.XA Active CN107318611B (en) | 2017-08-07 | 2017-08-07 | Hydraulic driving type fertilizer spraying needle vertical posture and horizontal zero-speed hole pricking fertilizer applying mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115349323B (en) * | 2022-08-24 | 2023-06-16 | 农芯(南京)智慧农业研究院有限公司 | Hole-punching mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395518Y (en) * | 1999-10-26 | 2000-09-13 | 黑龙江省农业机械工程科学研究院 | Multifunctional fertilizing hole liquid deep-applying machine |
| CN203313657U (en) * | 2013-06-28 | 2013-12-04 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled through electric pressure-regulating valve |
| CN106612857A (en) * | 2016-12-01 | 2017-05-10 | 东北农业大学 | Pulsed high-pressure jet horizontal zero-speed fertilizer-spraying mechanism |
| CN106826332A (en) * | 2015-12-07 | 2017-06-13 | 陈锦 | Fast quick-change chuck |
-
2017
- 2017-08-07 CN CN201710664957.XA patent/CN107318611B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395518Y (en) * | 1999-10-26 | 2000-09-13 | 黑龙江省农业机械工程科学研究院 | Multifunctional fertilizing hole liquid deep-applying machine |
| CN203313657U (en) * | 2013-06-28 | 2013-12-04 | 东北农业大学 | Liquid fertilizer variable rate fertilization system controlled through electric pressure-regulating valve |
| CN106826332A (en) * | 2015-12-07 | 2017-06-13 | 陈锦 | Fast quick-change chuck |
| CN106612857A (en) * | 2016-12-01 | 2017-05-10 | 东北农业大学 | Pulsed high-pressure jet horizontal zero-speed fertilizer-spraying mechanism |
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| CN107318611A (en) | 2017-11-07 |
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