CN107830078B - Main transmission clutch of no-tillage precision planter - Google Patents
Main transmission clutch of no-tillage precision planter Download PDFInfo
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- CN107830078B CN107830078B CN201711170675.0A CN201711170675A CN107830078B CN 107830078 B CN107830078 B CN 107830078B CN 201711170675 A CN201711170675 A CN 201711170675A CN 107830078 B CN107830078 B CN 107830078B
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- clutch
- shaft
- sliding sleeve
- wheel arm
- seat
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/061—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having interengaging clutch members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fertilizing (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
A main transmission clutch of a no-tillage precision planter comprises a land wheel arm clamp assembly, a hydraulic oil cylinder system and a clutch connecting rod assembly, wherein the land wheel arm clamp assembly is fixedly arranged on a land wheel arm, and a separation claw type clutch transmission part is arranged in the land wheel arm clamp assembly; two ends of an upper shaft of the gearbox are fixedly connected to the ground wheel arm clamps through bearings respectively; the clutch claw shaft is matched with the sliding sleeve through a third bearing, a spring and a thrust bearing in sequence and is assembled in the sliding sleeve seat; the land wheel assembly is connected with the land wheel arm through a land wheel shaft bearing seat; the upper shaft, the separating claw shaft, the fixed seat and the sliding sleeve of the gearbox are respectively provided with mutually meshed protrusions. The invention has simple operation, does not need to stop, can utilize the hydraulic oil cylinder system to lift the land wheel at any time, and realizes the separation and combination of power transmission when the land wheel is lifted.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to a main transmission clutch of a no-tillage precision seeder.
Background
At present, no-tillage precision seeders in domestic markets have a plurality of transmission clutches, and the transmission clutches have large differences and are generally divided into friction wheels and clutch pawls. The main friction wheel type is mainly characterized in that a friction wheel mechanism is assembled on a land wheel, and the friction wheel is lifted up and down along with a land wheel arm through a lifting oil cylinder of a hydraulic system, so that the friction wheel contacts with the land wheel to achieve a power transmission effect when the land wheel descends; when the vehicle rises, the friction wheel is separated from the land wheel, and power transmission is cut off. The mechanism has the defects of high cost, large occupied space, troublesome operation and poor reliability in a working state, and the tire is a flat rubber tire and has high ground slip coefficient, which is not like an oblique rubber tire. Other clutch claws are of an exposed structure, and have a plurality of faults and sometimes incomplete separation, so that seeds and fertilizer are broken.
Disclosure of Invention
The invention aims to provide a main transmission clutch of a no-tillage precision planter, which has the advantages of simple and reasonable structure, thorough separation, reliable and stable performance, convenience and practicability, is provided with a main transmission system of a built-in separation claw clutch, has the cost lower than 30 percent of the cost of a friction wheel transmission clutch mechanism, greatly reduces the failure rate in a working state, ensures the transmission reliability, and overcomes the defects of an external clutch.
The technical scheme adopted is as follows:
the utility model provides a no-tillage precision planter main drive clutch, includes land wheel arm card assembly, hydraulic cylinder system and clutch connecting rod assembly, its characterized in that:
the ground wheel arm clamp assembly is fixedly arranged on the ground wheel arm, a separation claw clutch transmission part is arranged in the ground wheel arm clamp assembly, and the separation claw clutch transmission part is fixedly assembled in the ground wheel arm clamp through a second bearing seat and a sliding sleeve seat;
the two ends of the upper shaft of the gearbox are fixedly connected with a first bearing and a second bearing respectively, the first bearing and the second bearing are respectively arranged on a first bearing seat and a second bearing seat, the second bearing seat is fixedly connected with a gland through a plurality of first bolts and one side wall of the ground wheel arm clamp, and the first bearing seat is respectively fixedly connected with the upper shaft seat of the gearbox and the sliding sleeve seat through a second bolt and the other side wall of the ground wheel arm clamp;
the clutch claw shaft is matched with the sliding sleeve through a third bearing, a spring and a thrust bearing in sequence and is assembled in the sliding sleeve seat; the upper shaft of the gearbox is meshed with the clutch claw shaft through the fixed sleeve and the sliding sleeve in sequence, and the fixed sleeve is meshed with the sliding sleeve; the transmission hexagonal shaft passes through the upper shaft of the gearbox and the clutch claw shaft and transmits power through the inner hexagonal of the clutch claw shaft.
The lower end of the clutch connecting rod assembly is hinged to one end of the fixed shaft, the upper end of the clutch connecting rod assembly is hinged to the connecting plate, the connecting plate is fixed on the sliding spanner through a pin shaft and a third bolt respectively, and the sliding spanner is fixed on the sliding sleeve through a set screw; the other end of the fixed shaft is connected with the ground wheel arm seat plate;
the land wheel assembly is connected with the land wheel arm through a land wheel shaft bearing seat;
the upper shaft, the separating claw shaft, the fixed seat and the sliding sleeve of the gearbox are respectively provided with mutually meshed protrusions, and the aims of transmitting and cutting off power are achieved by changing the relative positions.
The driving chain wheel is divided into 15 teeth, 18 teeth, 21 teeth, 24 teeth and 27 teeth.
The first bearing seat is internally provided with a first dustproof oil seal, the second bearing seat is internally provided with a second dustproof oil seal, and the upper shaft seat of the gearbox is internally provided with a third dustproof oil seal.
The hydraulic cylinder system has the functions that the upper end and the lower end of the hydraulic cylinder are hinged with the ground wheel arm clamp and the ground wheel arm seat plate respectively, the distance between the ground wheel arm and the built-in separating claw type main clutch is changed by extending and retracting a cylinder piston through a hydraulic pipeline and a valve body, and meanwhile, a machine tool is driven to rise;
the ground wheel assembly is characterized in that 6.5-12 oblique rubber tires are fixed on a wheel hub of a ground wheel shaft through steel plates, bearing seats are arranged on two sides of the ground wheel shaft and are respectively fixed on side plates of an arm of the ground wheel, a sprocket on the ground wheel shaft is connected with a lower driving sprocket in an arm clamp through a chain, and power is transmitted when the ground wheel rotates, so that the ground wheel assembly is in a known technology.
The clutch connecting rod assembly is characterized in that one end of the clutch connecting rod assembly is connected with a fixed shaft fixed on a ground wheel arm seat plate, and the other end of the clutch connecting rod assembly is hinged with a connecting plate through a pin shaft, so that when the distance between the ground wheel arm and a main clutch is changed, a sliding handle is pulled and a sliding sleeve is driven to rotate together, and the sliding sleeve is helped to return by a spring when a separating claw shaft is separated from or combined with an upper shaft of a gearbox.
The embedded separating claw type main transmission clutch assembly is a key component for transmitting and cutting power of a seeder, and mainly comprises a gearbox upper shaft and a separating claw shaft meshed with the gearbox upper shaft as a core component, a sliding sleeve and a fixed seat are arranged outside the gearbox upper shaft, the sliding sleeve is meshed with the fixed seat, and the sliding sleeve is assembled inside the sliding sleeve seat. The sliding sleeve seat, the fixed seat, the bearing seat and the wheel arm clamp are assembled together to form a closed mechanism, so that the safety and the reliability of transmission are ensured. The two ends of the upper shaft of the gearbox are respectively supported on the upper part of the ground wheel arm clamp through a first bearing seat, a second bearing seat, a bearing cover and a fixing seat, and the first bearing seat and the second bearing seat are internally provided with a first bearing and a second bearing and are sealed by a sealing ring, a first dustproof oil seal and a second dustproof oil seal. The sliding sleeve is arranged in the sliding sleeve seat and supported by a bearing between the separating claw shaft, and the tail end of the sliding sleeve is pressed with a return spring. The sliding plate is fixed outside the sliding sleeve and hinged with the clutch connecting rod assembly.
Principle of operation
In the operation process of the machine, the land wheel shaft in the land wheel assembly drives the gear box chain wheel to rotate through the chain, the gear box chain wheel drives the gear box upper shaft to rotate, and simultaneously, the clutch claw shaft engaged with the gear box upper shaft rotates along with the gear box upper shaft, and the hexagonal hole in the clutch claw shaft drives the hexagonal shaft of the main transmission to rotate, so that the purpose of transmitting the power of the seeder is achieved. The ground wheel transmission mechanisms on two sides are the same, and can be used synchronously and independently for transmitting power.
When the no-tillage precision planter transfers plots or turns without power transmission, the hydraulic system is only required to act on the land wheel arm clamp and the upper oil cylinder of the land wheel arm to lift the machine tool, the clutch connecting rod assembly can drive the sliding sleeve to rotate at the same time, and the clutch claw shaft in the sliding sleeve is separated from the upper shaft of the gearbox, so that the power transmitted to the hexagonal shaft is cut off, and the purpose of power separation is achieved. At this time, the land axle only drives the gear box sprocket to idle.
When the sowing is started at the ground, the machine falls down through the hydraulic oil cylinder system, and meanwhile, the clutch claw shaft in the built-in separating claw clutch is combined again under the action of the clutch connecting rod assembly and the spring to achieve the purpose of driving power.
The invention has the following advantages:
1. the invention is matched with the land wheel transmission mechanism for use, and has compact structure and convenient installation.
2. The invention has simple operation, does not need to stop, can utilize the hydraulic oil cylinder system to lift the land wheel at any time, and realizes the separation and combination of power transmission when the land wheel is lifted.
3. The invention adopts a mechanical double-sleeve separating claw mechanism, has stable separation, rapid combination and stable and reliable performance.
4. Compared with the traditional friction wheel structure, the invention has reliable transmission, greatly reduces the cost by 30 percent, and has simple adjustment and convenient maintenance.
5. The two sets of land wheel systems of the no-tillage planter are divided into left and right, the main transmission clutch is in a separation state when the land wheels are lifted, the land block is transferred and the land head turns to play a role in differentiating, and the transmission square shaft is not subjected to torsion force.
6. The invention is additionally provided with the oil cylinder limiting clamping plate, thereby ensuring that the oil cylinder is protected and the safety is increased when the machine is used for transferring the land.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the main transmission system when the invention is used with a ground wheel transmission mechanism.
Fig. 2 is a schematic cross-sectional view of the present invention.
FIG. 3 is a schematic cross-sectional view of a clutch link assembly according to the present invention.
Fig. 4 is a schematic view of the built-in separating claw clutch of the present invention.
Detailed Description
The utility model provides a no-tillage precision planter main drive clutch, includes land wheel arm card assembly 22, hydraulic cylinder system 33 and clutch link assembly 28, its characterized in that:
the ground wheel arm clamp assembly 22 is fixedly arranged on the ground wheel arm, a separation claw clutch transmission part is arranged in the ground wheel arm clamp assembly 22, and the separation claw clutch transmission part is fixedly assembled in the ground wheel arm clamp 22 through the second bearing seat 20 and the sliding sleeve seat 8;
the two ends of the upper gearbox shaft 5 are respectively and fixedly connected with a first bearing 3 and a second bearing 18, the first bearing 3 and the second bearing 18 are respectively arranged on a first bearing seat 1 and a second bearing seat 20, the second bearing seat 20 is fixedly connected with a gland 19 on one side wall of a ground wheel arm clamp 22 through a plurality of first bolts 17, and the first bearing seat 1 is respectively and fixedly connected with the upper gearbox shaft seat 2 and a sliding sleeve seat 8 on the other side wall of the ground wheel arm clamp 22 through a second bolt;
the separating claw clutch transmission part comprises a transmission chain wheel 16 and a clutch claw shaft 6, wherein the transmission chain wheel 16 is arranged on the upper shaft 5 of the gearbox, and the clutch claw shaft 6 is matched with the sliding sleeve 7 through a third bearing 12, a spring 9 and a thrust bearing 11 in sequence and is assembled in the sliding sleeve seat 8; the upper shaft 5 of the gearbox is meshed with the clutch claw shaft 6 sequentially through the fixed sleeve 2 and the sliding sleeve 7, and the fixed sleeve 2 is meshed with the sliding sleeve 7; the drive hexagonal shaft 10 passes through the inside of the transmission upper shaft 5 and the clutch claw shaft 6 and transmits power through the inside of the clutch claw shaft 6.
The lower end of the clutch connecting rod assembly 28 is hinged to one end of the fixed shaft 29, the upper end of the clutch connecting rod assembly 28 is hinged to the connecting plate 21, the connecting plate 21 is fixed on the sliding spanner 24 through the pin shaft 27 and the third bolt 23 respectively, and the sliding spanner 24 is fixed on the sliding sleeve 7 through a set screw; the other end of the fixed shaft 29 is connected with a ground wheel arm seat plate 30;
the land wheel assembly 32 is connected with the land wheel arm through a land wheel axle bearing seat;
the upper shaft 5, the separating claw shaft 6, the fixed seat 2 and the sliding sleeve 7 of the gearbox are respectively provided with mutually meshed protrusions, and the aims of transmitting and cutting off power are achieved by changing the relative positions.
The drive sprocket 16 is divided into 15 teeth, 18 teeth, 21 teeth, 24 teeth, 27 teeth.
The first bearing seat 1 is internally provided with a first dustproof oil seal 15, the second bearing seat 20 is internally provided with a second dustproof oil seal 14, and the upper shaft seat 2 of the gearbox is internally provided with a third dustproof oil seal 4.
The cylinders in the hydraulic cylinder system 33 are respectively connected with the wheel arm clamp and the wheel arm.
Claims (4)
1. The utility model provides a no-tillage precision planter main drive clutch, includes land wheel arm card assembly (22), hydraulic cylinder system (33) and clutch connecting rod assembly (28), its characterized in that: the ground wheel arm clamp assembly (22) is fixedly arranged on the ground wheel arm, a separation claw clutch transmission part is arranged in the ground wheel arm clamp assembly (22), and the separation claw clutch transmission part is fixedly assembled in the ground wheel arm clamp assembly (22) through the second bearing seat (20) and the sliding sleeve seat (8);
the two ends of the upper shaft (5) of the gearbox are fixedly connected with a second bearing (18) through a first bearing (3), the first bearing (3) and the second bearing (18) are respectively arranged on a first bearing seat (1) and a second bearing seat (20), the second bearing seat (20) is fixedly connected with a gland (19) through a plurality of first bolts (17) on one side wall of a ground wheel arm clamp assembly (22), and the first bearing seat (1) is respectively fixedly connected with the upper shaft seat (2) of the gearbox and the sliding sleeve seat (8) on the other side wall of the ground wheel arm clamp assembly (22) through a second bolt;
the separating claw clutch transmission part comprises a transmission chain wheel (16) and a clutch claw shaft (6), wherein the transmission chain wheel (16) is arranged on a gearbox upper shaft (5), and the clutch claw shaft (6) is matched with the sliding sleeve (7) through a third bearing (12), a spring (9) and a thrust bearing (11) in sequence and is assembled in the sliding sleeve seat (8); the upper shaft (5) of the gearbox is meshed with the clutch claw shaft (6) sequentially through the fixed sleeve (34) and the sliding sleeve (7), and the fixed sleeve (34) is meshed with the sliding sleeve (7); the transmission hexagonal shaft (10) is connected in series with the upper shaft (5) of the gearbox and the clutch claw shaft (6) and transmits power through the inner hexagonal of the clutch claw shaft (6); the lower end of the clutch connecting rod assembly (28) is hinged to one end of the fixed shaft (29), the upper end of the clutch connecting rod assembly (28) is hinged to the connecting plate (21), the connecting plate (21) is fixed on the sliding spanner (24) through the pin shaft (27) and the third bolt (23), and the sliding spanner (24) is fixed on the sliding sleeve (7) through the set screw; the other end of the fixed shaft (29) is connected with a ground wheel arm seat board (30);
the land wheel assembly (32) is connected with the land wheel arm through a land wheel shaft bearing seat;
the hydraulic system acts on the ground wheel arm clamp and the oil cylinder on the ground wheel arm to lift the machine tool, the clutch connecting rod assembly can drive the sliding sleeve to rotate at the same time, and the clutch claw shaft in the sliding sleeve is separated from the upper shaft of the gearbox, so that the power transmitted to the hexagonal shaft is cut off, and the purpose of power separation is achieved.
2. The no-tillage precision planter main drive clutch of claim 1, wherein: the upper shaft (5), the clutch claw shaft (6), the fixed sleeve (34) and the sliding sleeve (7) of the gearbox are respectively provided with mutually meshed protrusions, and the aims of transmitting and cutting off power are achieved by changing the relative positions.
3. The no-tillage precision planter main drive clutch of claim 1, wherein: the driving chain wheel (16) is divided into 15 teeth, 18 teeth, 21 teeth, 24 teeth and 27 teeth.
4. The no-tillage precision planter main drive clutch of claim 1, wherein: the first bearing seat (1) is internally provided with a first dustproof oil seal (15), the second bearing seat (20) is internally provided with a second dustproof oil seal (14), and the upper shaft seat (2) of the gearbox is internally provided with a third dustproof oil seal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170675.0A CN107830078B (en) | 2017-11-22 | 2017-11-22 | Main transmission clutch of no-tillage precision planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711170675.0A CN107830078B (en) | 2017-11-22 | 2017-11-22 | Main transmission clutch of no-tillage precision planter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830078A CN107830078A (en) | 2018-03-23 |
| CN107830078B true CN107830078B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711170675.0A Active CN107830078B (en) | 2017-11-22 | 2017-11-22 | Main transmission clutch of no-tillage precision planter |
Country Status (1)
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| CN (1) | CN107830078B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561451B (en) * | 2018-05-18 | 2024-01-02 | 天津市精研工程机械传动有限公司 | Clutch transmission device |
| CN109944880B (en) * | 2019-04-02 | 2024-05-24 | 浙江博源农机有限公司 | Anti-channeling clutch mechanism of direct seeding machine |
Citations (13)
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| GB1102739A (en) * | 1964-03-25 | 1968-02-07 | Lely Nv C Van Der | Improvements in or relating to seed drills |
| US5896966A (en) * | 1997-05-02 | 1999-04-27 | Schmelzle; Douglas Martin | Hydraulic seed clutch actuator for seed drills |
| CA2234920A1 (en) * | 1998-03-27 | 1999-09-27 | Kudu Industries Inc. | Safety coupling for rotary pump |
| EP1961604A1 (en) * | 2007-02-24 | 2008-08-27 | John Deere Brasil Ltda | Drive assembly for driving a device on a soil cultivation machine |
| CN201418255Y (en) * | 2009-04-22 | 2010-03-10 | 赵志强 | Hydraulic rise-and-fall trailing planter |
| CN203072341U (en) * | 2013-02-21 | 2013-07-24 | 昌吉市金世通农机制造有限公司 | Traction-type grain seed and fertilizer separated-application seeder |
| CN103329667A (en) * | 2013-06-05 | 2013-10-02 | 青岛农业大学 | Plant-to-row seed drill |
| CN103430663A (en) * | 2013-08-27 | 2013-12-11 | 河北省农业机械化研究所有限公司 | Animal manure fertilizer spreader |
| CN203851456U (en) * | 2014-06-17 | 2014-10-01 | 昌吉州晨新伟业农业机械制造有限责任公司 | Hydraulic lifting seeder |
| CN106304922A (en) * | 2016-11-04 | 2017-01-11 | 黑龙江海轮王生态农业工程科技股份有限公司 | Ground wheel transmission device for seeder |
| CN207661021U (en) * | 2017-11-22 | 2018-07-27 | 瓦房店明运农机装备有限公司 | A kind of no-tillage precision seeder main transmission clutch |
-
2017
- 2017-11-22 CN CN201711170675.0A patent/CN107830078B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB193022A (en) * | 1922-02-09 | 1924-07-29 | Moline Plow Co | Improvements in connection with motor tractors, ploughs, road graders, and other implements |
| GB845263A (en) * | 1955-09-27 | 1960-08-17 | Hargreaves & Company Ltd W | An improved distributor for horticultural or agricultural purposes |
| GB1102739A (en) * | 1964-03-25 | 1968-02-07 | Lely Nv C Van Der | Improvements in or relating to seed drills |
| US5896966A (en) * | 1997-05-02 | 1999-04-27 | Schmelzle; Douglas Martin | Hydraulic seed clutch actuator for seed drills |
| CA2234920A1 (en) * | 1998-03-27 | 1999-09-27 | Kudu Industries Inc. | Safety coupling for rotary pump |
| EP1961604A1 (en) * | 2007-02-24 | 2008-08-27 | John Deere Brasil Ltda | Drive assembly for driving a device on a soil cultivation machine |
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| CN203072341U (en) * | 2013-02-21 | 2013-07-24 | 昌吉市金世通农机制造有限公司 | Traction-type grain seed and fertilizer separated-application seeder |
| CN103329667A (en) * | 2013-06-05 | 2013-10-02 | 青岛农业大学 | Plant-to-row seed drill |
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|---|
| Design and experiment of automatic reseeding device for miss-seeding of crops with large grain;Zhu Ruixiang;Editorial Office of Transactions of the Chinese Society of Agricultural Engineer;全文 * |
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| CN107830078A (en) | 2018-03-23 |
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