CN111226611B - Energy recovery device for vibration of threshing cylinder rotating shaft of combine harvester - Google Patents
Energy recovery device for vibration of threshing cylinder rotating shaft of combine harvester Download PDFInfo
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- CN111226611B CN111226611B CN202010124414.0A CN202010124414A CN111226611B CN 111226611 B CN111226611 B CN 111226611B CN 202010124414 A CN202010124414 A CN 202010124414A CN 111226611 B CN111226611 B CN 111226611B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/185—Mounting means
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an energy recovery device for vibration of a threshing cylinder rotating shaft of a combine harvester, wherein the threshing cylinder rotating shaft is supported by a first bearing and comprises a magnetoelectric hydraulic cylinder, a second bearing and an installation support; threshing cylinder pivot both ends pass the erection support respectively, threshing cylinder pivot both ends install the second bearing respectively, and a plurality of magnetoelectric pneumatic cylinder equipartitions are between second bearing outer lane and erection support, the tensile pole and the second bearing outer lane of magnetoelectric pneumatic cylinder are connected, and the vibration through threshing cylinder pivot makes the magnetoelectric pneumatic cylinder flexible, be used for with the energy conversion of threshing cylinder pivot vibration is electric energy and hydraulic energy. The invention can convert the vibration energy in all directions generated by the rotating shaft into electric energy and hydraulic energy, and finally realizes the recovery of redundant energy through the hydraulic oil circuit and the rectifying circuit to convert the redundant energy into electric energy.
Description
Technical Field
The invention relates to the field of agricultural mechanical equipment, in particular to an energy recovery device for vibration of a threshing cylinder rotating shaft of a combine harvester.
Background
The grain combine harvester has severe working environment and complex working conditions, and is mainly used for grain harvesting in fields and the like. The threshing cylinder is used as a main working component of the grain combine harvester, and the vibration generated during the operation of the threshing cylinder has great influence on the performance of the whole machine in the aspects of working comfort, reliability and the like. Especially when threshing cylinder appears the stalk winding, thereby threshing cylinder itself can produce great dynamic unbalance consequently and make threshing cylinder pivot produce great vibration to drive the frame vibration, make the vibration grow of whole machine, especially for grain combine, it belongs to the machinery of long-time concentration nature work and the pivot vibrates produced energy very big. Therefore, in order to recover the vibration energy in the threshing process of the drum and reduce the vibration influence on the whole machine caused by unbalanced threshing of the threshing drum, the invention provides the energy recovery device for the vibration of the rotating shaft of the threshing drum of the grain combine harvester.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an energy recovery device for vibration of a rotary shaft of a threshing cylinder of a combine harvester, which can convert vibration energy in all directions generated by the rotary shaft into electric energy and hydraulic energy, and finally realize recovery of redundant energy through a hydraulic oil circuit and a rectification circuit and convert the redundant energy into electric energy.
The present invention achieves the above-described object by the following technical means.
The energy recovery device for the vibration of the threshing cylinder rotating shaft of the combine harvester is characterized in that the threshing cylinder rotating shaft is supported by a first bearing and comprises a magnetoelectric hydraulic cylinder, a second bearing and a mounting support; threshing cylinder pivot both ends pass the erection support respectively, threshing cylinder pivot both ends install the second bearing respectively, and a plurality of magnetoelectric pneumatic cylinder equipartitions are between second bearing outer lane and erection support, the tensile pole and the second bearing outer lane of magnetoelectric pneumatic cylinder are connected, and the vibration through threshing cylinder pivot makes the magnetoelectric pneumatic cylinder flexible, be used for with the energy conversion of threshing cylinder pivot vibration is electric energy and hydraulic energy.
Further, the magnetoelectric hydraulic cylinder comprises a cylinder body, a piston rod, a spring base, a spring and an induction coil;
the piston in the cylinder body is made of magnetic materials, an induction coil is wound in the inner wall of the cylinder body, and the piston moves to generate electric energy; the cylinder body is provided with a spring base, one end of the spring is connected with the extending end of the piston rod, and the other end of the spring is connected with the spring base and used for ensuring that the extending end of the piston rod is in contact with the outer ring of the second bearing.
Furthermore, the end face of the extending end of the piston rod is arc-shaped.
And the damping check ring is installed between the magnetoelectric hydraulic cylinder and the outer ring of the second bearing through a spring base, and a piston rod of the magnetoelectric hydraulic cylinder penetrates through the damping check ring to be contacted with the outer ring of the second bearing.
Further, the vibration reduction retainer ring comprises a support ring and a vibration reduction pad; the supporting ring is connected with the spring bases, and the inner ring of the supporting ring is provided with a damping pad for preventing the instability of the magnetoelectric hydraulic cylinder caused by the overlarge vibration of the rotating shaft of the threshing cylinder.
Furthermore, 8-12 magnetoelectric hydraulic cylinders are uniformly distributed on the circumference between the outer ring of the second bearing and the mounting support.
Furthermore, oil passages of the plurality of magneto-electric hydraulic cylinders are connected in parallel, and any magneto-electric hydraulic cylinder is connected with a hydraulic system and used for outputting hydraulic energy;
and the induction coils of the magnetoelectric hydraulic cylinders are connected in parallel and then connected with a rectifying circuit.
Further, the hydraulic system comprises an energy storage device and a hydraulic motor, wherein the energy storage device is connected with the magnetoelectric hydraulic cylinder and is used for storing hydraulic energy; the energy storage device is connected with the hydraulic motor, and the output end of the hydraulic motor does work outwards.
The invention has the beneficial effects that:
1. the energy recovery device for the vibration of the threshing cylinder rotating shaft of the combine harvester realizes the omnibearing 360-degree vibration energy absorption of the rotating shaft of the grain combine harvester, greatly improves the energy recovery utilization rate and reduces unnecessary energy waste.
2. The energy recovery device for the vibration of the threshing cylinder rotating shaft of the combine harvester realizes the overload protection of the energy recovery device, improves the working reliability of the energy recovery device, can reduce the influence of the vibration of the main shaft of the threshing cylinder on the frame to a certain extent through the vibration damping device, reduces the vibration of the whole machine, and improves the working efficiency and the reliability of the whole machine.
3. The energy recovery device for the vibration of the rotary shaft of the threshing cylinder of the combine harvester converts mechanical vibration energy into electric energy which can be recycled by utilizing an electromagnetic induction principle and a hydraulic device, and simultaneously recovers the mechanical energy of a piston rod in a hydraulic cylinder, thereby improving the energy recovery efficiency.
4. The energy recovery device for the vibration of the rotary shaft of the threshing cylinder of the combine harvester can realize bidirectional energy recovery, at least 2 devices work when the rotary shaft vibrates, reciprocating mechanical energy can be converted into electric energy, the design of a symmetrical structure greatly improves the energy recovery efficiency and greatly reduces the vibration generated by the rotary shaft.
5. The energy recovery device for the vibration of the rotary shaft of the threshing cylinder of the combine harvester has the advantages of simple structure, lower cost, convenient installation and high reliability, can effectively reduce the vibration of the rotary shaft of the threshing cylinder of the grain combine harvester, and can recover and convert the energy generated by the vibration of the rotary shaft into other energy for use, thereby having important significance for reducing the vibration of the whole machine of the grain combine harvester, the power consumption of the whole machine and the improvement of the utilization efficiency of the energy.
Drawings
Fig. 1 is a mounting position diagram of an energy recovery device for vibration of a rotary shaft of a threshing cylinder of a combine harvester.
FIG. 2 is an overall sectional view of the energy recovery device for vibration of the rotary shaft of the threshing cylinder of the combine harvester
Fig. 3 is an internal structure view of the magnetoelectric cylinder according to the present invention.
Fig. 4 is a front view of a damping retainer ring according to the present invention.
Fig. 5 is a schematic diagram of the principle of the energy recovery device for the vibration of the rotary shaft of the threshing cylinder of the grain combine harvester.
In the figure:
1-a rotary shaft of a threshing cylinder; 2-a second bearing; 3-a magneto-electric hydraulic cylinder; 301-cylinder body; 302-a piston; 303-a piston rod; 304-a spring mount; 305-a spring; 306-an induction coil; 4-damping retainer ring; 401-support ring; 402-a damping pad; 5, mounting a support; 6-a first bearing; 7-an energy storage device; 8-a hydraulic motor; 9-a generator; 10-a rectifier circuit; 11-a bus circuit; 12-electric appliance.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1, the threshing cylinder rotating shaft 1 of the existing combine harvester is supported by a first bearing 6 and used for supporting the threshing cylinder rotating shaft 1, and the energy recovery device for the threshing cylinder rotating shaft vibration of the combine harvester is arranged at two ends of the threshing cylinder rotating shaft 1 and is positioned outside the first bearing 6.
As shown in fig. 2, the energy recovery device for the vibration of the rotary shaft of the threshing cylinder of the combine harvester comprises a magnetoelectric hydraulic cylinder 3, a second bearing 2 and a mounting support 5; two ends of the rotary shaft 1 of the threshing cylinder respectively penetrate through the mounting supports 5, two ends of the rotary shaft 1 of the threshing cylinder are respectively provided with a second bearing 2, the second bearings 2 are rolling bearings, the rotary shaft 1 of the threshing cylinder is arranged in an inner ring of the second bearings 2, an outer ring of the second bearings 2 is fixed during working, and the inner ring rotates along with the rotary shaft 1 of the threshing cylinder; the electromagnetic hydraulic cylinders 3 are uniformly distributed between the outer ring of the second bearing 2 and the mounting support 5, the stretching rods of the electromagnetic hydraulic cylinders 3 are connected with the outer ring of the second bearing 2, and the electromagnetic hydraulic cylinders 3 are fixedly mounted in grooves in the mounting support 5; when the threshing cylinder is unbalanced in work, the rotating shaft 1 of the threshing cylinder is driven to vibrate, the vibration direction is random, and the vibration frequency is related to the rotating speed of the threshing cylinder; the magnetoelectric hydraulic cylinder 3 is stretched by the vibration of the rotary shaft 1 of the threshing cylinder and is used for converting the energy of the vibration of the rotary shaft 1 of the threshing cylinder into electric energy and hydraulic energy. The number of the magnetoelectric hydraulic cylinders 3 is 8-12, the 8-12 magnetoelectric hydraulic cylinders 3 are uniformly and symmetrically distributed on the bearing 2 in a circle, the angle interval between each two is 30-45 degrees, and the structure of each magnetoelectric hydraulic cylinder is completely the same.
As shown in fig. 3, the magnetoelectric hydraulic cylinder 3 includes a cylinder 301, a piston 302, a piston rod 303, a spring base 304, a spring 305, and an induction coil 306; the piston 302 in the cylinder 301 is made of magnetic materials, the interior of the cylinder 301 is a hollow structure and comprises an inner wall and an outer wall, and an induction coil 306 is wound in the inner wall of the cylinder 301 and used for generating electric energy through the movement of the piston 302; the cylinder 301 is provided with a spring base 304, one end of the spring 305 is connected with the extending end of the piston rod 303, and the other end of the spring 305 is connected with the spring base 304, so as to ensure that the extending end of the piston rod 303 is in contact with the outer ring of the second bearing 2. The end face of the extending end of the piston rod 303 is arc-shaped and used for reducing impact damage.
As shown in fig. 4, the electromagnetic hydraulic bearing further comprises a damping retainer ring 4, the damping retainer ring 4 is installed between the plurality of electromagnetic hydraulic cylinders 3 and the outer ring of the second bearing 2 through a spring base 304, and a piston rod of the electromagnetic hydraulic cylinder 3 passes through the damping retainer ring 4 to contact with the outer ring of the second bearing 2. The damping retainer ring 4 comprises a support ring 401 and a damping pad 402; the supporting ring 401 is connected with a plurality of spring bases 304, and the inner ring of the supporting ring 401 is provided with a vibration damping pad 402 for preventing the instability of the magnetoelectric hydraulic cylinder 3 caused by the overlarge vibration of the rotary shaft 1 of the threshing cylinder. The support ring 401 is used for fixing the relative position between the spring 305 and the piston rod 303, so that the deviation phenomenon is avoided in the working process, the vibration reduction pad 402 is tightly attached to the inner side of the support ring 401, the vibration reduction pad 402 is made of rubber, the damage to a system caused by the overlarge vibration of the rotary shaft 1 of the threshing cylinder is prevented, and the vibration reduction effect of the rotary shaft 1 of the threshing cylinder is achieved to a certain extent.
Oil passages of the plurality of magneto-electric hydraulic cylinders 3 are connected in parallel, and any magneto-electric hydraulic cylinder 3 is connected with a hydraulic system and used for outputting hydraulic energy; the induction coils 306 of the plurality of magnetoelectric hydraulic cylinders 3 are connected in parallel and then connected with the rectifying circuit 10.
As shown in fig. 5, the hydraulic system comprises an energy storage device 7 and a hydraulic motor 8, wherein the energy storage device 7 is connected with the magnetoelectric hydraulic cylinder 3 and is used for storing hydraulic energy; the energy storage device 7 is connected with a hydraulic motor 8, and the output end of the hydraulic motor 8 is connected with a generator 9 for enabling the generator 9 to work. The generator 9 delivers electrical energy to the appliance via a busbar circuit 11.
The working principle is as follows: the vibration of the second bearing 2 drives at least two or four magnetoelectric hydraulic cylinders 3 to start working, and the energy recovery of the vibration of the rotary shaft 1 of the threshing cylinder is realized through the up-and-down vibration of the piston rod 303 and is converted into electric energy and hydraulic energy; the hydraulic energy is transmitted to the energy storage device 7 through the magneto-electric hydraulic cylinder 3 and then enters the hydraulic motor 8, and the hydraulic motor 8 drives the generator 9 to operate and generate electricity; the electric energy generated by the magnetoelectric hydraulic cylinder 3 enters the rectifying circuit 10 through a lead wire through a hole in the mounting support 5 and is supplied to a subsequent electric appliance 12 through the converging circuit 11 together with the current generated by the hydraulic motor driving the motor.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. An energy recovery device for vibration of a threshing cylinder rotating shaft of a combine harvester is characterized in that the threshing cylinder rotating shaft (1) is supported by a first bearing (6) and comprises a magnetoelectric hydraulic cylinder (3), a second bearing (2) and a mounting support (5); threshing cylinder pivot (1) both ends pass erection support (5) respectively, threshing cylinder pivot (1) both ends install second bearing (2) respectively, and a plurality of magnetoelectric pneumatic cylinder (3) equipartitions are between second bearing (2) outer lane and erection support (5), the tensile pole and the second bearing (2) outer lane of magnetoelectric pneumatic cylinder (3) are connected, and vibration through threshing cylinder pivot (1) makes magnetoelectric pneumatic cylinder (3) flexible, be used for with the energy conversion of threshing cylinder pivot (1) vibration is electric energy and hydraulic energy.
2. The energy recovery device for shaft vibration of a threshing cylinder of a combine harvester according to claim 1, characterized in that the magnetoelectric hydraulic cylinder (3) comprises a cylinder body (301), a piston (302), a piston rod (303), a spring base (304), a spring (305) and an induction coil (306);
the piston (302) in the cylinder body (301) is made of magnetic materials, and an induction coil (306) is wound in the inner wall of the cylinder body (301) and is used for generating electric energy through the movement of the piston (302); be equipped with spring mount (304) on cylinder body (301), spring (305) one end is connected with the end that stretches out of piston rod (303), spring (305) other end is connected with spring mount (304), is used for guaranteeing the end that stretches out of piston rod (303) contacts with second bearing (2) outer lane.
3. The energy recovery device for shaft vibration of a threshing cylinder of a combine harvester according to claim 2, characterized in that the end surface of the extending end of the piston rod (303) is arc-shaped.
4. The energy recovery device for the rotary shaft vibration of the threshing cylinder of the combine harvester according to claim 2, further comprising a damping retainer ring (4), wherein the damping retainer ring (4) is installed between the plurality of magnetoelectric hydraulic cylinders (3) and the outer ring of the second bearing (2) through a spring base (304), and a piston rod of the magnetoelectric hydraulic cylinder (3) passes through the damping retainer ring (4) to contact with the outer ring of the second bearing (2).
5. The energy recovery device for shaft vibration of a threshing cylinder of a combine harvester according to claim 4, characterized in that the vibration reduction retainer ring (4) comprises a support ring (401) and a vibration reduction pad (402); the supporting ring (401) is connected with a plurality of spring bases (304), and the inner ring of the supporting ring (401) is provided with a vibration damping pad (402) for preventing the instability of the magnetoelectric hydraulic cylinder (3) caused by the overlarge vibration of the rotary shaft (1) of the threshing cylinder.
6. The energy recovery device for the shaft vibration of the threshing cylinder of the combine harvester according to claim 1, characterized in that 8-12 magnetoelectric hydraulic cylinders (3) are uniformly distributed on the circumference between the outer ring of the second bearing (2) and the mounting support (5).
7. The energy recovery device for the shaft vibration of the threshing cylinder of the combine harvester according to any one of claims 1 to 6, characterized in that the oil paths of a plurality of the magnetoelectric hydraulic cylinders (3) are connected in parallel, and any one of the magnetoelectric hydraulic cylinders (3) is connected with a hydraulic system and is used for outputting hydraulic energy;
the induction coils (306) of the plurality of magnetoelectric hydraulic cylinders (3) are connected in parallel and then are connected with the rectifying circuit (10).
8. The energy recovery device for shaft vibration of a threshing cylinder of a combine harvester according to claim 7, characterized in that the hydraulic system comprises an energy storage device (7) and a hydraulic motor (8), the energy storage device (7) is connected with the magneto-electric hydraulic cylinder (3) for storing hydraulic energy; the energy storage device (7) is connected with the hydraulic motor (8), and the output end of the hydraulic motor (8) applies work to the outside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124414.0A CN111226611B (en) | 2020-02-27 | 2020-02-27 | Energy recovery device for vibration of threshing cylinder rotating shaft of combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124414.0A CN111226611B (en) | 2020-02-27 | 2020-02-27 | Energy recovery device for vibration of threshing cylinder rotating shaft of combine harvester |
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| Publication Number | Publication Date |
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| CN111226611A CN111226611A (en) | 2020-06-05 |
| CN111226611B true CN111226611B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010124414.0A Active CN111226611B (en) | 2020-02-27 | 2020-02-27 | Energy recovery device for vibration of threshing cylinder rotating shaft of combine harvester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113775495B (en) * | 2021-09-14 | 2023-03-10 | 金华职业技术学院 | Threshing cylinder energy recovery device for combine harvester |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012029571A (en) * | 2010-07-28 | 2012-02-16 | Iseki & Co Ltd | Combine harvester |
| CN102907219A (en) * | 2012-10-22 | 2013-02-06 | 凤冈县黔北新能源有限责任公司 | Energy-saving thresher |
| CN103009956A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Energy storage suspension device having vibration energy recovery function |
| CN207443527U (en) * | 2017-10-25 | 2018-06-05 | 三峡大学 | A kind of seedpod of the lotus takes seed device |
| CN109005936B (en) * | 2018-07-14 | 2021-05-11 | 绩溪袁稻农业产业科技有限公司 | Rice thresher convenient for fixing rice |
| CN108990555A (en) * | 2018-07-20 | 2018-12-14 | 郑州希硕物联科技有限公司 | A kind of agricultural production corn threshing device having a safety feature |
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