CN105864308B - Safety clutch integral type transplanting mechanism actuating unit and method - Google Patents
Safety clutch integral type transplanting mechanism actuating unit and method Download PDFInfo
- Publication number
- CN105864308B CN105864308B CN201610327221.9A CN201610327221A CN105864308B CN 105864308 B CN105864308 B CN 105864308B CN 201610327221 A CN201610327221 A CN 201610327221A CN 105864308 B CN105864308 B CN 105864308B
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- China
- Prior art keywords
- clutch
- platen
- sprocket wheel
- driven
- driving shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
Abstract
The present invention discloses safety clutch integral type transplanting mechanism actuating unit and method.Safe back-up ring in device,Active platen,Driven platen,Clutch sprocket wheel,Clutch back-up ring is sequentially arranged on driving shaft from left to right,Safety spring is provided between active platen and driven platen,Brake spring is provided between clutch sprocket wheel and clutch back-up ring,Driven platen side is the screw engagement face of safety device,Opposite side is the tooth of arrangement of clutch,Clutch sprocket wheel side is the tooth of evagination and the inclined-plane of indent,The two synchronous rotary is realized by active platen and the thrust variation in driven platen screw engagement face or trackslipped,Realize the separation or engagement of clutch sprocket wheel and driven platen in the indent inclined-plane that clutch sprocket wheel is stretched into or removed by on-of pin,Will safety,Clutch function integrates,Structure is gathered,Meet the requirement of implanting mechanism independent control,Protect to effect the security of implanting mechanism and power-transmission system,Improve the reliability of complete machine work.
Description
Technical field
Agricultural mechanical field of the present invention, and in particular to a kind of safety clutch integral type transplanting mechanism actuating unit and side
Method.
Background technology
Arrangement of clutch, safety device in rice transplanter power drive system are the important portions for ensureing rice transplanter normal work
Part, its service behaviour directly affect the reliability and security of slotting machine operation.At present, point slotting mechanical structure power transmission of rice transplanter
Arrangement of clutch, the safety device of system are absolute construction, and arrangement of clutch is typically located at change gearbox clutch end, by one
Arrangement of clutch controls whether all implanting mechanisms work, therefore all transplanting mechanisms are being transported when needing transplanting difference breadth
Turn, it is impossible to which realization is independently controlled to whether each transplanting mechanism works；Typically without safety device, point plug in machine in transmission system
Structure such as encounters the especially fragile seedling taking pin of stone or hard objects, or even whole transplanting mechanism, few part in seedling taking, rice transplanting
Safety device is provided with inside transplanting mechanism, but sharply increases the spatial volume of transplanting mechanism, causes the line-spacing of transplanting mechanism
Increase, this is not matched with the plantation agronomy of rice again, wastes land resource.Therefore, modern rice transplanting machinery is badly in need of a kind of right
Each single control transplanting work of transplanting mechanism, safety device do not increase transplanting space, the line-spacing peace consistent with Rice Cropping agronomy
Full clutch integral type transplanting mechanism actuating unit, to meet current rice transplanting requirement.
The content of the invention
The invention aims to overcome existing rice transplanter transplanting mechanism centralized Control, influence its work without safety device
Performance, it is fragile the shortcomings of, the present invention, which provides one kind and whether every group of transplanting mechanism is worked, independent control and has a safety device
Safety clutch integral type transplanting mechanism actuating unit, the line-spacing of adjacent transplanting mechanism spacing and Rice Cropping agriculture requirement
Be adapted, control implanting mechanism work can be grouped, protected when having the hard objects such as stone in rice shoot, field transplanting mechanism not by
Damage, it is safe.
The technical scheme adopted by the invention to solve the technical problem is that：
Safety clutch integral type transplanting mechanism actuating unit, including right case, end cap, safe back-up ring, safety spring,
Active platen, driven platen, clutch sprocket wheel, on-of pin, driving shaft, clutch back-up ring, brake spring, driven shaft, driven sprocket and
Left box body, right case, left box body, which are integrally fixed, forms casing, and driving shaft is anterior installed in casing by bearing, safe back-up ring,
Active platen, driven platen, clutch sprocket wheel, clutch back-up ring are sequentially arranged on driving shaft from left to right, and safe shield ring sleeve is mounted in
Placed restrictions on driving shaft and by jump ring and be moved to the left, the external splines on the inner spline groove and driving shaft of active platen, which coordinates to form, to be moved
Dynamic pair, driven platen are sleeved on driving shaft and placed restrictions on by the shaft shoulder of driving shaft and moved right, and safety spring gap is sleeved on
On driven platen, safety spring both ends are press respectively against safe back-up ring, driven platen side；Clutch sprocket wheel is sleeved on driving shaft,
Clutch back-up ring is arranged on driving shaft and placed restrictions on by jump ring and moved right, and brake spring is enclosed on driving shaft, brake spring two
End is press respectively against clutch sprocket wheel, clutch back-up ring side；Left box body front portion is provided with pin-and-hole, the pin-and-hole at installation clutch sprocket position
Axis it is vertical with driving shaft axis, clutch bearing pin be arranged on left box body on pin-and-hole in；Driven shaft is arranged on case by bearing
Body rear portion, driven sprocket are fixed on driven shaft, and clutch sprocket wheel forms Chain conveyer with driven sprocket；End cap is fixed on left box body
On.
It is several preferred implementations below：It is waveform tooth on the outside of the active platen, driven platen side is also ripple
Shape wave tooth, active platen form complete cylinder when being engaged with driven platen；Driven platen opposite side is circumferentially provided with tooth,
Clutch sprocket wheel side is circumferentially made up of the dental part of evagination and the chamfered portion of indent, tooth and clutch on driven platen
Tooth engagement on sprocket wheel forms jaw clutch, and the opposite side of clutch sprocket wheel is sprocket wheel.The end cap is fixed by screws in
On left box body, right case, left box body are bolted integrally.The clutch sprocket wheel can be moved axially on driving shaft and phase
Driving shaft is rotated.The driven platen is identical with the teeth patterning of clutch sprocket wheel, and selected from edge cam, rectangle, it is trapezoidal, three
One kind in angular, zigzag and spiral shape.
A kind of safeguard protection of device described in utilization and independent clutch method, step are as follows：During normal work, in safety
Under the compression stress of spring and brake spring promotes, the waveform tooth of active platen has been formed with the waveform indented joint of driven platen
Whole cylinder, the tooth of clutch sprocket wheel engage with the tooth of driven platen, and active platen, driven platen, clutch sprocket wheel are synchronous
Rotate, power is transferred to active platen by driving shaft and reaches clutch sprocket wheel again, and then power passes through clutch sprocket wheel and driven sprocket
The Chain conveyer of composition is to driven shaft and drives transplanting mechanism；When the transplanting mechanism on driven shaft in seedling taking or plants seedlings and encounters hard thing
Required driving moment sharply increases during body, now driving shaft input torque increase, and the waveform tooth of active platen with from
The waveform tooth of dynamic pressure disk is that the precompression applied by safety spring realizes synchronous axial system, driven platen by resistance drastically
Increase, the waveform flank of tooth of active platen overcome safety spring pressure to slide to the left, the waveform of active platen and driven platen
Matching relationship destroys, and active platen is with spindle rotation, and driven platen, clutch sprocket wheel do not rotate, i.e., dividing on driven shaft inserts
Mechanism does not continue to rotate after encountering hard objects, so as to protect transplanting mechanism；When not needing transplanting mechanism work, clutch is depressed
Bearing pin, with the rotation of clutch sprocket wheel, on-of pin shaft extension enters the inclined-plane of clutch chain wheel side indent, and the rotation of clutch sprocket wheel uses oblique
Face axial distance diminishes, and clutch bearing pin promotes the inclined-plane of clutch sprocket wheel, uses the tooth of the tooth and driven platen of clutch sprocket wheel
Separation, driven platen is with active platen, spindle rotation, and clutch sprocket wheel does not rotate, and realizes to the only of driven shaft power input
Vertical control.
The invention has the advantages that：For the actuating unit of each group of transplanting mechanism, by safety device, from
Attach together the part put to be integrated on same driving shaft, driven platen both sides are the screw engagement face of safety device, clutch dress respectively
The tooth put, clutch sprocket wheel side are the tooth of evagination and the inclined-plane of indent, pass through active platen and driven platen screw engagement
The thrust variation in face realizes the two synchronous rotary or trackslipped that the indent inclined-plane that clutch sprocket wheel is stretched into or removed by on-of pin is realized
The separation or engagement of clutch sprocket wheel and driven platen, driven platen, clutch sprocket wheel have had the more of safeguard protection and power transmission concurrently
Weight function, the integrated of safety device and arrangement of clutch is realized, power-transmission system space structure is considerably reduced, meets
Every group of implanting mechanism independent control requirement, meanwhile, the equal peripheral hardware safety device of every group of implanting mechanism, it is effectively protected implanting mechanism
With the security of power-transmission system, the reliability that complete machine works is improved.
Brief description of the drawings
Fig. 1 is the main sectional view of safety clutch integral type transplanting mechanism actuating unit；
Fig. 2 is the three dimensional structure diagram of active platen in the present invention；
Fig. 3 is the three dimensional structure diagram of driven platen in the present invention；
Fig. 4 is the three dimensional structure diagram of clutch sprocket wheel in the present invention；
In figure：Casing 1, end cap 2, safe back-up ring 3, safety spring 4, active platen 5, driven platen 6, clutch chain
Wheel 7, on-of pin 8, driving shaft 9, clutch back-up ring 10, brake spring 11, driven shaft 12, driven sprocket 13 and point plug in machine
Structure 14.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.The technology of each embodiment is special in the present invention
Sign can carry out respective combination on the premise of not colliding with each other.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes casing 1, end cap 2, safe back-up ring 3, safety spring 4, active platen
5th, driven platen 6, clutch sprocket wheel 7, on-of pin 8, driving shaft 9, clutch back-up ring 10, brake spring 11, driven shaft 12, driven sprocket
13rd, transplanting mechanism 14, it is anterior that driving shaft 9 by bearing is arranged on casing 1, safe back-up ring 3, active platen 5, driven platen 6, from
Closing sprocket wheel 7, clutch back-up ring 8, order is arranged on driving shaft 9 from left to right, and safe back-up ring 3 is sleeved on driving shaft 9 and passes through card
Spring, which is placed restrictions on, to be moved to the left, and the inner spline groove of active platen 5 coordinates with the external splines on driving shaft 9 forms prismatic pair, driven platen 6
It is sleeved on driving shaft 9 and is placed restrictions on by the shaft shoulder of driving shaft 9 and moved right, the gap of safety spring 4 is sleeved on driven platen 6
On, the both ends of safety spring 4 are press respectively against safe back-up ring 3, the side of driven platen 6；Clutch sprocket wheel 7 is sleeved on driving shaft 9, clutch
Sprocket wheel 7 can be moved axially on driving shaft 9 or rotated relative to driving shaft 9；Clutch back-up ring 8 is arranged on driving shaft 9
And placed restrictions on and moved right by jump ring, brake spring 11 is enclosed on driving shaft 9, and the both ends of brake spring 11 are press respectively against clutch sprocket wheel
7th, the side of clutch back-up ring 8；Casing 1 is anterior to be provided with pin-and-hole in the installation opening position of clutch sprocket wheel 7, the axis of the pin-and-hole on casing 1 and
The axis of driving shaft 9 is vertical, and clutch bearing pin 8 is arranged in the pin-and-hole on casing 1；After driven shaft 12 is arranged on casing 1 by bearing
Portion, driven sprocket 13 are fixed on driven shaft 12, and clutch sprocket wheel 7 forms Chain conveyer, two transplanting mechanisms 14 with driven sprocket 13
It is fixed on the both ends of driven shaft 12；End cap 2 is fixed by screws on casing 1；
The outside of active platen 5 is waveform tooth, and the driven side of platen 6 is waveform tooth, active platen 5 and driven platen 6
Complete cylinder is formed during engagement；The driven opposite side of platen 6 is circumferentially provided with tooth, and the side of clutch sprocket wheel 7 is circumferentially by outer
Convex dental part and the chamfered portion of indent form, and the tooth on driven platen 6 engages composition with the tooth on clutch sprocket wheel 7
Jaw clutch, the teeth patterning of driven platen 6 and clutch sprocket wheel 7 can be simultaneously edge cam, rectangle, trapezoidal, triangle,
One kind in zigzag and spiral shape；The opposite side of clutch sprocket wheel 7 is sprocket wheel；
Based on said apparatus, safeguard protection and the independent clutch side of safety clutch integral type transplanting mechanism actuating unit
Method is：During normal work, safety spring 4, brake spring 11 compression stress promote under, the helicoid of active platen 5 with it is driven
The helicoid engagement of platen 6 forms complete cylinder, and the tooth of clutch sprocket wheel 7 engages with the tooth of driven platen 6, actively presses
Disk 5, driven platen 6, the synchronous axial system of clutch sprocket wheel 7, power are transferred to active platen 6 by driving shaft 9 and reach clutch sprocket wheel 7 again,
Then the Chain conveyer that power is made up of clutch sprocket wheel 7 and driven sprocket 13 to driven shaft 12 and drives transplanting mechanism 14；When point
Insert mechanism 14 seedling taking or plant seedlings encounter hard objects when required driving moment sharply increase, the now input power of driving shaft 9
Square increase, and the waveform tooth of the waveform tooth of active platen 5 and driven platen 6 is the precompression applied by safety spring 4
Synchronous axial system is realized, driven platen 6 is sharply increased by resistance, and the waveform flank of tooth of active platen 5 overcomes safety spring 4 to press
Power is slided to the left, and the waveform matching relationship of active platen 5 and driven platen 6 destroys, and active platen 5 rotates with driving shaft 9, and
Driven platen 6, clutch sprocket wheel 7 do not rotate, i.e., transplanting mechanism 14 does not continue to rotate after encountering hard objects, are inserted so as to protect point
Mechanism 14；When not needing transplanting mechanism work, pressure clutch bearing pin 8, with the rotation of clutch sprocket wheel 7, clutch bearing pin 8 stretches into
The inclined-plane of the side indent of clutch sprocket wheel 7, clutch sprocket wheel 7 rotates to be diminished using inclined-plane axial distance, and clutch bearing pin 8 promotes clutch chain
The inclined-plane of wheel 7, is separated using the tooth of clutch sprocket wheel 7 with the tooth of driven platen 6, and driven platen 6 is with active platen 6, active
Axle 9 rotates, and clutch sprocket wheel 7 does not rotate, and realizes the independent control to the input of the power of transplanting mechanism 14.
Embodiment described above is a kind of preferable scheme of the present invention, and so it is not intended to limiting the invention.Have
The those of ordinary skill of technical field is closed, without departing from the spirit and scope of the present invention, various changes can also be made
Change and modification.Therefore the technical scheme that all modes for taking equivalent substitution or equivalent transformation are obtained, the guarantor of the present invention is all fallen within
In the range of shield.
Claims (6)
- A kind of 1. safety clutch integral type transplanting mechanism actuating unit, it is characterised in that：Including right case（1）, end cap （2）, safe back-up ring（3）, safety spring（4）, active platen（5）, driven platen（6）, clutch sprocket wheel（7）, on-of pin（8）, it is main Moving axis（9）, clutch back-up ring（10）, brake spring（11）, driven shaft（12）, driven sprocket（13）And left box body（14）, right case （1）, left box body（14）It is integrally fixed and forms casing, driving shaft（9）Casing front portion, safe back-up ring are arranged on by bearing（3）、 Active platen（5）, driven platen（6）, clutch sprocket wheel（7）, clutch back-up ring（10）Order is arranged on driving shaft from left to right（9） On, safe back-up ring（3）It is sleeved on driving shaft（9）Placed restrictions on above and by jump ring and be moved to the left, active platen（5）Inner spline groove with Driving shaft（9）On external splines coordinate form prismatic pair, driven platen（6）It is sleeved on driving shaft（9）Go up and pass through driving shaft（9） The shaft shoulder place restrictions on and move right, safety spring（4）Gap is sleeved on driven platen（6）On, safety spring（4）Both ends are press respectively against Safe back-up ring（3）, driven platen（6）Side；Clutch sprocket wheel（7）It is sleeved on driving shaft（9）On, clutch back-up ring（10）Installed in master Moving axis（9）Placed restrictions on above and by jump ring and moved right, brake spring（11）It is enclosed on driving shaft（9）On, brake spring（11）Both ends It is press respectively against clutch sprocket wheel（7）, clutch back-up ring（10）Side；Left box body（14）It is anterior that clutch sprocket wheel is being installed（7）Opening position is set There is pin-and-hole, the axis and driving shaft of the pin-and-hole（9）Axis is vertical, on-of pin（8）Installed in left box body（14）On pin-and-hole in；From Moving axis（12）Casing rear portion, driven sprocket are arranged on by bearing（13）It is fixed on driven shaft（12）On, clutch sprocket wheel（7）With from Movable sprocket（13）Form Chain conveyer；End cap（2）It is fixed on left box body（14）On.
- 2. safety clutch integral type transplanting mechanism actuating unit according to claim 1, it is characterised in that the master Dynamic pressure disk（5）Outside is waveform tooth, driven platen（6）Side is also waveform tooth, active platen（5）With driven platen（6） Complete cylinder is formed during engagement；Driven platen（6）Opposite side is circumferentially provided with tooth, clutch sprocket wheel（7）Side is circumferentially It is made up of the dental part of evagination and the chamfered portion of indent, driven platen（6）On tooth and clutch sprocket wheel（7）On tooth Engagement forms jaw clutch, clutch sprocket wheel（7）Opposite side be sprocket wheel.
- 3. safety clutch integral type transplanting mechanism actuating unit according to claim 1, it is characterised in that the end Lid（2）It is fixed by screws in left box body（14）On, right case（1）, left box body（14）It is bolted integral.
- 4. safety clutch integral type transplanting mechanism actuating unit according to claim 1, it is characterised in that it is described from Close sprocket wheel（7）In driving shaft（9）Upper energy axial movement and relative driving shaft（9）Rotate.
- 5. safety clutch integral type transplanting mechanism actuating unit according to claim 1, it is characterised in that it is described from Dynamic pressure disk（6）With clutch sprocket wheel（7）Teeth patterning it is identical, and selected from edge cam, rectangle, trapezoidal, triangle, zigzag and One kind in spiral shape.
- 6. a kind of utilize the safeguard protection of safety clutch integral type transplanting mechanism actuating unit and independence described in claim 1 Clutch method, it is characterised in that step is as follows：During normal work, in safety spring（4）And brake spring（11）Compression push Under dynamic, active platen（5）Waveform tooth and driven platen（6）Waveform indented joint form complete cylinder, clutch chain Wheel（7）Tooth and driven platen（6）Tooth engagement, active platen（5）, driven platen（6）, clutch sprocket wheel（7）It is synchronous to turn Dynamic, power is by driving shaft（9）It is transferred to active platen（6）Clutch sprocket wheel is reached again（7）, then power pass through clutch sprocket wheel（7） With driven sprocket（13）The Chain conveyer of composition is to driven shaft（12）And drive transplanting mechanism；Work as driven shaft（12）On transplanting mechanism Seedling taking or plant seedlings encounter hard objects when required driving moment sharply increase, now driving shaft（9）Input torque increase, And active platen（5）Waveform tooth and driven platen（6）Waveform tooth be to pass through safety spring（4）The precompression of application is real Existing synchronous axial system, driven platen（6）Sharply increased by resistance, active platen（5）The waveform flank of tooth overcome safety spring （4）Pressure is slided to the left, active platen（5）With driven platen（6）Waveform matching relationship destroy, active platen（5）With master Moving axis（9）Rotation, and driven platen（6）, clutch sprocket wheel（7）Do not rotate, i.e. driven shaft（12）On transplanting mechanism encounter it is hard Do not continue to rotate after object, so as to protect transplanting mechanism；When not needing transplanting mechanism work, on-of pin is depressed（8）, with from Close sprocket wheel（7）Rotation, on-of pin（8）Stretch into clutch sprocket wheel（7）The inclined-plane of side indent, clutch sprocket wheel（7）Rotation uses oblique Face axial distance diminishes, on-of pin（8）Promote clutch sprocket wheel（7）Inclined-plane, use clutch sprocket wheel（7）Tooth and driven platen （6）Tooth separation, driven platen（6）With active platen（6）, driving shaft（9）Rotation, and clutch sprocket wheel（7）Do not rotate, realize To driven shaft（12）The independent control of power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327221.9A CN105864308B (en) | 2016-05-17 | 2016-05-17 | Safety clutch integral type transplanting mechanism actuating unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610327221.9A CN105864308B (en) | 2016-05-17 | 2016-05-17 | Safety clutch integral type transplanting mechanism actuating unit and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864308A CN105864308A (en) | 2016-08-17 |
| CN105864308B true CN105864308B (en) | 2017-12-26 |
Family
ID=56635075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610327221.9A Active CN105864308B (en) | 2016-05-17 | 2016-05-17 | Safety clutch integral type transplanting mechanism actuating unit and method |
Country Status (1)
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| CN (1) | CN105864308B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1586556A1 (en) * | 1986-10-21 | 1990-08-23 | П. А. Павлов и Э. Л. Лопатинский | Hole maker for planting machine |
| JP2566040B2 (en) * | 1990-04-27 | 1996-12-25 | 株式会社クボタ | Fixed position stop clutch |
| JP3497410B2 (en) * | 1999-03-25 | 2004-02-16 | 株式会社クボタ | Rice transplanter planting section transmission |
| CN201345819Y (en) * | 2008-12-16 | 2009-11-18 | 邵洪儒 | Transplanting transmission mechanism of novel mechanical high-speed six-row rice transplanting machine |
| CN202873314U (en) * | 2012-10-29 | 2013-04-17 | 李大海 | Novel chain box safety clutch of rice transplanter |
| CN103026848A (en) * | 2012-11-21 | 2013-04-10 | 久保田农业机械(苏州)有限公司 | Transmission box of rice seedling transplanter |
| CN203748234U (en) * | 2014-04-01 | 2014-08-06 | 四川理工学院 | Clutch of portable rice transplanter |
-
2016
- 2016-05-17 CN CN201610327221.9A patent/CN105864308B/en active Active
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| CN105864308A (en) | 2016-08-17 |
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