CN111406483A - Speed regulating device for driving seeding apparatus to rotate - Google Patents
Speed regulating device for driving seeding apparatus to rotate Download PDFInfo
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- CN111406483A CN111406483A CN202010464637.1A CN202010464637A CN111406483A CN 111406483 A CN111406483 A CN 111406483A CN 202010464637 A CN202010464637 A CN 202010464637A CN 111406483 A CN111406483 A CN 111406483A
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- adjusting arm
- wheel
- eccentric wheel
- rotate
- driven
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a speed regulating device for driving a seed metering device to rotate, which comprises a housing, a driving shaft, a first one-way bearing, a second one-way bearing, a driven shaft, a first eccentric wheel, a second eccentric wheel, a reset tension spring, a first adjusting arm and a second adjusting arm, wherein the first eccentric wheel is in contact with the first adjusting arm, the first adjusting arm is driven to swing back and forth when the first eccentric wheel rotates eccentrically, the first adjusting arm drives a driven wheel to rotate intermittently through the first one-way bearing, the driven wheel is connected with a driving shaft of the seed metering wheel through a coupler, the driving shaft of the seed metering wheel can drive a seed metering wheel set and a stirring shaft of a seeder to rotate intermittently in one way, and the swing amplitude of the first adjusting arm and the second adjusting arm can be controlled through a controller so as to realize speed change. The controller is a gear lever and a constraint slide rail, and one end of the reset tension spring is connected with the constraint slide rail.
Description
Technical Field
The invention belongs to the field of seeders, and particularly relates to a speed regulating device for driving a seed sowing device to rotate.
Background
At present, the seed metering device of the seeder used in China is driven by a land wheel, a direct current motor, a tractor and other driving modes, the adjustment of the seed metering quantity is mainly realized by reducing or improving the rotating speed of a seed metering shaft and adjusting the seed metering operation length of an outer grooved wheel of the seed metering device in a combined mode, and the land wheel driving seed metering device mode adopted by the current seeder is more because the direct current motor and the tractor drive the seed metering device and have poor association degree and poor coordination with an operation unit. The ground wheel driving seeding mechanism is usually driven by a chain wheel and a chain, and the general transmission path is two to three stages. When the seeding amount needs to be adjusted in operation, the operations of disassembling the chain and the chain wheel, replacing the chain wheel with a new one, lengthening or shortening the chain length, properly adjusting the length of the seed sowing outer grooved wheel and the like are often needed, and the seeding device is time-consuming and inconvenient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that the rotation speed adjustment of a transmission system for driving a seed sowing device to rotate by a land wheel of the existing seeder is time-consuming, labor-consuming and inconvenient.
In order to solve the technical problems, the invention adopts the following technical scheme: a speed regulating device for driving a seed sowing device to rotate comprises a housing, a driving shaft, a first one-way bearing, a second one-way bearing, a driven shaft, a first eccentric wheel, a second eccentric wheel, a reset tension spring, a first adjusting arm and a second adjusting arm,
the outer part of the speed regulating device is provided with a housing for shielding and sealing internal parts, the driving shaft is connected with the power output shaft of the land wheel and drives the first eccentric wheel and the second eccentric wheel to rotate,
the first eccentric wheel is in contact with the first adjusting arm, the first eccentric wheel drives the first adjusting arm to swing in a reciprocating manner when rotating eccentrically, the first adjusting arm drives the driven wheel to rotate intermittently through a first one-way bearing,
the second eccentric wheel is contacted with the second adjusting arm, the second eccentric wheel drives the second adjusting arm to swing in a reciprocating way when rotating eccentrically, the second adjusting arm drives the driven wheel to rotate intermittently through a second one-way bearing,
the driven wheel is connected with a driving shaft of the seed metering wheel through a coupler, the driving shaft of the seed metering wheel can drive a seed metering wheel group and a stirring shaft of the seeder to intermittently rotate in a single direction,
the swing amplitude of the first adjusting arm and the second adjusting arm can be controlled by a controller, so that speed change is realized.
Further, the controller is gear lever and restraint slide rail, restraint slide rail inner arc surface and first regulating arm, second regulating arm front end bearing excircle surface keep contacting, reset extension spring one end with restraint slide rail connection, the other end with the housing is connected, the gear lever with the restraint slide rail links firmly, the gear lever can drive restraint slide rail deflection angle to adjust first regulating arm, second regulating arm around the stroke or the corner of driven shaft.
Further, the housing has a plurality of shift positions, and the shift lever can be located at any one of the shift positions.
Furthermore, the restraining slide rail is made of bearing steel GCr15 through quenching treatment, the bearing steel GCr15 is hardened to HRC (high-temperature toughness) of more than or equal to 60, the contact fatigue strength is high, the wear resistance is good, and the service life is prolonged.
Further, in order to reduce the cost, the housing is formed by welding stainless steel materials, and the outer surface of the housing is covered with polyurethane anticorrosive paint.
The working principle of the invention is as follows:
the device comprises a gear lever, a constraint slide rail, a reset tension spring, a cam shaft, a first eccentric wheel, a first adjusting arm, a first one-way bearing, a second eccentric wheel, a second adjusting arm, a second one-way bearing, a seed metering wheel driving shaft and the like, when the driving power of the ground wheel is transmitted to the driving shaft to rotate, the first eccentric wheel and the second eccentric wheel are driven to rotate, the rotation of the first eccentric wheel and the second eccentric wheel respectively pushes the first adjusting arm and the second adjusting arm to continuously swing forwards and backwards around the seed metering rotating shaft through the outer circle surfaces of the first eccentric wheel and the second eccentric wheel, and when a push rod swings forwards, the seed metering wheel driving shaft is continuously driven to rotate through the first one-way bearing and the second one-way bearing, so that the seeding operation is realized; under the action of the reset tension spring, the first adjusting arm and the second adjusting arm idle when moving backwards. When the speed is changed, the position of the gear shift lever is adjusted to enable the constraint slide rail to be in a 'left-falling' state, under the action of the reset tension spring, the inner arc surface of the constraint slide rail keeps contact with the outer circle surfaces of the front end bearings of the first adjusting arm and the second adjusting arm, the gear shift lever is well fixed and adjusted, under the state, the first eccentric wheel and the second eccentric wheel respectively push the first adjusting arm and the second adjusting arm to continuously swing forwards and backwards around the seed metering rotating shaft, and the stroke or the rotation angle of the push rod around the seed metering rotating shaft is increased under the action of the constraint slide rail of the first adjusting arm and the second adjusting arm, so that the speed change is realized.
The invention has the beneficial effects that:
the device simple structure, variable speed adjustment are convenient, need not dismantle chain, sprocket etc. loaded down with trivial details operation, have infinitely variable function, and the gear ratio adjustment range is big, can be applicable to various crops seeding quantity adjustment requirements.
Drawings
FIG. 1 is a schematic view of the connection between a speed regulating device for driving a seed sowing device to rotate and a seeder according to the present invention;
FIG. 2 is a side view of a speed regulating device for driving rotation of a seed meter according to the present invention.
In the figure: 1. the seed sowing device comprises a first one-way bearing, a second one-way bearing, a driven shaft, a shaft coupling, a driving shaft, a seed sowing wheel driving shaft, a stirring shaft, a driving shaft, a first eccentric wheel, a second eccentric wheel, a reset tension spring, a gear lever, a first adjusting arm, a second adjusting arm, a housing, a seed sowing machine, a seed sowing wheel group and a constraint slide rail, wherein the first one-way bearing is 2, the second one.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, the speed regulating device for driving the seed metering device to rotate comprises a housing 14, a driving shaft 7, a first one-way bearing 1, a second one-way bearing 2, a driven shaft 3, a first eccentric wheel 8, a second eccentric wheel 9, a reset tension spring 10, a first adjusting arm 12 and a second adjusting arm 13,
a housing 14 is arranged outside the speed regulating device to shield and seal internal parts, the driving shaft 7 is connected with a power output shaft of the land wheel, the driving shaft 7 drives the first eccentric wheel 8 and the second eccentric wheel 9 to rotate,
the first eccentric wheel 8 is in contact with the first adjusting arm 12, the first eccentric wheel 8 drives the first adjusting arm 12 to swing back and forth when rotating eccentrically, the first adjusting arm 12 drives the driven wheel to rotate intermittently through the first one-way bearing 1,
the second eccentric wheel 9 is in contact with the second adjusting arm 13, the second adjusting arm 13 is driven to swing back and forth when the second eccentric wheel 9 rotates eccentrically, the second adjusting arm 13 drives the driven wheel to rotate intermittently through the second one-way bearing 2,
the driven wheel is connected with a driving shaft 5 of the seed metering wheel through a coupling 4, the driving shaft 5 of the seed metering wheel can drive a seed metering wheel set 16 and a stirring shaft 6 of the seeder to intermittently rotate in a single direction,
the swing amplitudes of the first adjusting arm 12 and the second adjusting arm 13 can be controlled by a controller, so that speed change is realized.
The controller is for the gear shift lever 11 and restraint slide rail 17, restraint slide rail 17 inner arc surface and first regulating arm 12, the contact of second regulating arm 13 front end bearing excircle surface keep, reset extension spring 10 one end with restraint slide rail 17 is connected, the other end with housing 14 is connected, gear shift lever 11 with restraint slide rail 17 links firmly, gear shift lever 11 can drive restraint slide rail 17 deflection angle to adjust first regulating arm 12, second regulating arm 13 around the stroke or the corner of driven shaft 3.
In practical applications, the casing 14 has a plurality of shift positions, and the shift lever 11 can be located at any one of the shift positions.
In practical application, the restraining slide rail 17 is made of bearing steel GCr15 through quenching treatment, the bearing steel GCr15 is hardened to HRC (high-temperature toughness) of more than or equal to 60, the contact fatigue strength is high, the wear resistance is good, and the service life is prolonged.
In practical application, in order to reduce the cost, the housing 14 is formed by welding stainless steel materials, and the outer surface of the housing is covered with polyurethane anticorrosive paint.
The working principle of the invention is as follows:
the device comprises a gear lever 11, a constraint slide rail 17, a reset tension spring 10, a cam shaft, a first eccentric wheel 8, a first adjusting arm 12, a first one-way bearing 1, a second eccentric wheel 9, a second adjusting arm 13, a second one-way bearing 2, a seed metering wheel driving shaft 5 and the like, when the driving power of the ground wheel is transmitted to a driving shaft 7 to rotate, the first eccentric wheel 8 and the second eccentric wheel 9 are driven to rotate, the first adjusting arm 12 and the second adjusting arm 13 are respectively pushed to continuously swing forwards and backwards around a seed metering rotating shaft by the rotation of the first eccentric wheel 8 and the second eccentric wheel 9, and when a push rod swings forwards, the seed metering wheel driving shaft 5 is continuously driven to rotate by the first one-way bearing 1 and the second one-way bearing 2, so that the seeding operation is realized; the first adjusting arm 12 and the second adjusting arm 13 idle when moving backwards under the action of the return tension spring 10. During speed change, the position of the gear shift lever 11 is adjusted to enable the restraint slide rail 17 to be in a 'skimming' state, under the action of the reset tension spring 10, the inner arc surface of the restraint slide rail 17 keeps contact with the outer circle surfaces of the front end bearings of the first adjusting arm 12 and the second adjusting arm 13, the adjustment gear shift lever 11 is fixed, under the state, the first eccentric wheel 8 and the second eccentric wheel 9 respectively push the first adjusting arm 12 and the second adjusting arm 13 to continuously swing forwards and backwards around the seeding rotating shaft, and under the action of the restraint slide rail 17, the stroke or the rotation angle of a push rod around the seeding rotating shaft is increased by the first adjusting arm 12 and the second adjusting arm 13, so that speed change is realized.
In conclusion, the invention has simple structure, convenient speed change adjustment, no need of disassembling chains, chain wheels and the like, tedious operation, stepless speed change function, large speed change ratio adjustment range and suitability for various crop seeding rate adjustment requirements.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (5)
1. The utility model provides a drive seed metering ware pivoted speed adjusting device which characterized in that: comprises a housing (14), a driving shaft (7), a first one-way bearing (1), a second one-way bearing (2), a driven shaft (3), a first eccentric wheel (8), a second eccentric wheel (9), a reset tension spring (10), a first adjusting arm (12) and a second adjusting arm (13),
a housing (14) is arranged outside the speed regulating device to shield and seal internal parts, the driving shaft (7) is connected with a power output shaft of the land wheel, the driving shaft (7) drives the first eccentric wheel (8) and the second eccentric wheel (9) to rotate,
the first eccentric wheel (8) is in contact with the first adjusting arm (12), the first adjusting arm (12) is driven to swing in a reciprocating mode when the first eccentric wheel (8) rotates eccentrically, the first adjusting arm (12) drives the driven wheel to rotate intermittently through the first one-way bearing (1),
the second eccentric wheel (9) is in contact with the second adjusting arm (13), the second adjusting arm (13) is driven to swing in a reciprocating manner when the second eccentric wheel (9) rotates eccentrically, the second adjusting arm (13) drives the driven wheel to rotate intermittently through the second one-way bearing (2),
the driven wheel is connected with a seed metering wheel driving shaft (5) through a coupling (4), the seed metering wheel driving shaft (5) can drive a seed metering wheel set (16) and a stirring shaft (6) of the seeder to intermittently rotate in a single direction,
the swing amplitudes of the first adjusting arm (12) and the second adjusting arm (13) can be controlled through a controller, so that speed change is realized.
2. A speed regulating device for driving a seed meter to rotate according to claim 1, wherein: the controller is gear shift lever (11) and restraint slide rail (17), restraint slide rail (17) inner arc surface and first regulating arm (12), second regulating arm (13) front end bearing excircle surface keep in contact, reset extension spring (10) one end with restraint slide rail (17) are connected, the other end with housing (14) are connected, gear shift lever (11) with restraint slide rail (17) link firmly, gear shift lever (11) can drive restraint slide rail (17) deflection angle to adjust first regulating arm (12), second regulating arm (13) and wind the stroke or the corner of driven shaft (3).
3. A speed regulating device for driving a seed meter to rotate according to claim 2, wherein: the housing (14) has a plurality of shift positions, and the shift lever (11) can be located at any one of the shift positions.
4. A speed regulating device for driving a seed meter to rotate according to claim 3, wherein: the restraining slide rail (17) is made of bearing steel GCr15 through quenching treatment, and is hardened until HRC is more than or equal to 60.
5. A speed regulating device for driving a seed sowing device to rotate according to any one of claims 1 to 4, wherein: the housing (14) is formed by welding stainless steel materials, and the outer surface of the housing is covered with polyurethane anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464637.1A CN111406483A (en) | 2020-05-28 | 2020-05-28 | Speed regulating device for driving seeding apparatus to rotate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464637.1A CN111406483A (en) | 2020-05-28 | 2020-05-28 | Speed regulating device for driving seeding apparatus to rotate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111406483A true CN111406483A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010464637.1A Pending CN111406483A (en) | 2020-05-28 | 2020-05-28 | Speed regulating device for driving seeding apparatus to rotate |
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| Country | Link |
|---|---|
| CN (1) | CN111406483A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3615819A1 (en) * | 1986-05-10 | 1987-11-12 | Amazonen Werke Dreyer H | Agricultural distributor machine |
| CN201294744Y (en) * | 2008-11-14 | 2009-08-26 | 常州东风农机集团有限公司 | Mechanical type infinite variable speed mechanism of zero tillage seeder |
| CN103535138A (en) * | 2013-10-11 | 2014-01-29 | 农业部南京农业机械化研究所 | Multifunctional rotary tillage, fertilization and seeding machine |
| CN104145576A (en) * | 2014-07-31 | 2014-11-19 | 上海市上海农场 | Infinitely variable speed seed metering rate adjustment device |
| CN110235569A (en) * | 2019-06-27 | 2019-09-17 | 华中农业大学 | A kind of stepless variable regulating device for seeder |
-
2020
- 2020-05-28 CN CN202010464637.1A patent/CN111406483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3615819A1 (en) * | 1986-05-10 | 1987-11-12 | Amazonen Werke Dreyer H | Agricultural distributor machine |
| CN201294744Y (en) * | 2008-11-14 | 2009-08-26 | 常州东风农机集团有限公司 | Mechanical type infinite variable speed mechanism of zero tillage seeder |
| CN103535138A (en) * | 2013-10-11 | 2014-01-29 | 农业部南京农业机械化研究所 | Multifunctional rotary tillage, fertilization and seeding machine |
| CN104145576A (en) * | 2014-07-31 | 2014-11-19 | 上海市上海农场 | Infinitely variable speed seed metering rate adjustment device |
| CN110235569A (en) * | 2019-06-27 | 2019-09-17 | 华中农业大学 | A kind of stepless variable regulating device for seeder |
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Application publication date: 20200714 |