CN205454556U - Modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables - Google Patents
Modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables Download PDFInfo
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- CN205454556U CN205454556U CN201620158614.7U CN201620158614U CN205454556U CN 205454556 U CN205454556 U CN 205454556U CN 201620158614 U CN201620158614 U CN 201620158614U CN 205454556 U CN205454556 U CN 205454556U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 210000000078 claw Anatomy 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
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Abstract
The utility model discloses a modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables. The current seedling mechanism of getting adopts the locking arc to reach the drive ratio of getting the seedling orbit to change on a large scale, and the mechanism strikes greatly. The utility model discloses a center pin is fixed with the planet carrier, and center incompletely eccentric circle gear is fixed with the frame, and the incomplete eccentric circle gear of incomplete non -circular gear in center and center is fixed, and all empties the cover on the center pin, the non -circular gear is fixed with first middle non -circular gear through splined connection, the incomplete non -circular gear in first centre with first jackshaft in the middle of first, middle non -circular gear of second and second jackshaft are fixed with the middle non -circular gear of second through splined connection, the middle incomplete non -circular gear of second, first planet non -circular gear and first planet axle are through splined connection, second planet non -circular gear and the splined connection of second planet axle, the one end of first planet axle and second planet axle is all fixed with a casing of getting the seedling claw. The utility model discloses the transmission is steady, the impact is little.
Description
Technical field
This utility model belongs to agricultural mechanical field, relates to a kind of vegetable seedling picking mechanism, is specifically related to a kind of group
Box-like incomplete off-centre operation not rounded gear planetary wheel system vegetable seedling picking mechanism.
Background technology
Transplant the comprehensive benefit with the compensating action making crop growth ahead of time with to weather, can make full use of
Sunlight-heat reaources, its economic and social profit is the most considerable.Paddy field, the potted-seedling transplanting operation in nonirrigated farmland need to open
Send out and transplant seedling picking mechanism.
Transmission Mechanism of Planetary Gear System has been applied in the seedling picking mechanism of transplanting machine, pushes away to complete seedling taking
The work process of Seedling backhaul, transplants arm cusp and to complete required movement locus, at existing planetary gear
It is seedling picking mechanism all to have employed Locking arc mechanism gear ratio required for reaching seedling pick-up trajectory change on a large scale
Becoming, the gear ratio of Locking arc transmission is equivalent to infinity, so when Locking arc mechanism is when into and out
Wait owing to the sudden change of gear ratio can produce the biggest impact, the most unstable, it is unfavorable for improving seedling taking speed.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of incomplete off-centre operation of combination type
Not rounded gear planetary wheel system vegetable seedling picking mechanism, this mechanism can meet the special track needed for pot seedling transplanter and want
Ask, and stable drive, impact are little.
This utility model includes that central shaft, planet carrier, the incomplete eccentric gear in center, center are the most non-
Knucle-gear, the first jackshaft, the second jackshaft, the first middle non-circular gear, the first middle not exclusively not rounded
Gear, the second middle non-circular gear, the second middle not exclusively non-circular gear, first planet axle, the second planet
Axle, first planet non-circular gear, the second planet non-circular gear and seedling claw.One end of described central shaft is with dynamic
Power apparatus connects, and the other end is fixed with planet carrier；The incomplete eccentric gear in described center is fixed with frame,
The incomplete eccentric gear in center non-circular gear incomplete with center is fixed, and the incomplete non-circular gear in center
The gear teeth are arranged on not homonymy with the gear teeth of the incomplete eccentric gear in center；The incomplete off-centre operation in described center
Gear and the center equal empty set of incomplete non-circular gear is on center shaft；In the middle of the first described jackshaft and second
Axial symmetry centrally disposed axle both sides, and be all connected by bearing with planet carrier；The first described middle not rounded
Gear and the first jackshaft are connected by spline, and in the middle of first, not exclusively non-circular gear empty set is at the first jackshaft
On, and fix with the first middle non-circular gear；The second described middle non-circular gear and the second jackshaft pass through
Spline connects, and not exclusively non-circular gear empty set is on the second jackshaft in the middle of second, and with the second middle not rounded
Gear is fixed；Described first planet axle and the second planet axis are symmetricly set on planet carrier two ends, and all with capable
Carrier is connected by bearing；Described first planet non-circular gear is connected by spline with first planet axle, the
Two planet non-circular gears and the second planet axis are connected by spline；First planet axle and one end of the second planet axis
All stretch out outside planet carrier, and housing with a seedling claw is fixed respectively；Described first middle non-circular gear
Both sides eccentric gear incomplete with center and first planet non-circular gear respectively are connected by gear pair；Second
Both sides eccentric gear incomplete with center respectively and the second planet non-circular gear of middle non-circular gear pass through tooth
Wheel set connects；In the middle of the incomplete non-circular gear in described center and first in the middle of incomplete non-circular gear or second
Not exclusively non-circular gear is connected by gear pair.
In the middle of the incomplete non-circular gear in described center and first, not exclusively non-circular gear is entering and is being disengaged from
The engaged transmission ratio in moment and the incomplete eccentric gear in center and the engaged transmission ratio of the first middle non-circular gear
Equal.
When in the middle of the incomplete non-circular gear in described center and second, not exclusively non-circular gear enters and is disengaged from
The engaged transmission carved compares phase than the engaged transmission with the incomplete eccentric gear in center and the second middle non-circular gear
Deng.
The transmission ratio function of not exclusively non-circular gear engagement in the middle of the incomplete non-circular gear in described center and firstWherein,For the corner of planet carrier, parameter a0Span is
1～2, a1Span is 1～2, a2Span is-1～1.
The first described middle non-circular gear and the pitch curve parameter of the second middle non-circular gear are identical；The first row
The pitch curve parameter of star non-circular gear and the second planet non-circular gear is identical；Described first is middle the most non-
In the middle of Knucle-gear and second, the pitch curve parameter of incomplete non-circular gear is identical.
Described planet carrier rotates, and the seedling needle point point of seedling claw forms seedling pick-up trajectory；The head of described seedling pick-up trajectory
Portion is provided with latch closure, is seedling taking section from head cusp to pot seedling disk top, and seedling taking segment length is 35mm.
The beneficial effects of the utility model:
1, variable speed transmission of the present utility model, makes the seedling needle point point of seedling claw form seedling pick-up trajectory, meets alms bowl
The agriculture requirement of transplantation of seedlings；
2, the Locking arc mechanism during this utility model compares existing mechanism, it is achieved that the whole week that planet carrier rotates
In phase, the incomplete non-circular gear in center non-circular gear incomplete with centre is starting engagement and the moment row separated
The smooth variation of galaxy first order gear pair gear ratio, overcomes transmission instability in existing mechanism, impacts greatly
Shortcoming；
3, in this utility model energy performance period, secondary drive is than fluctuation, and dual waves ratio is about 3.2 times, easily
In forming the seedling taking section track preferably inserting hole tray, and have and preferably push away Seedling attitude；
4, this utility model simple in construction, volume is little, lightweight, vibrate little, low cost of manufacture；
5, this utility model uses the arrangement of two seedling claws, and planet carrier rotates once, seedling taking operation two
Secondary, work efficiency is high, adapts to transplanter paddy field under any rotating speed and nonirrigated farmland and transplants operation.
Accompanying drawing explanation
Fig. 1 is overall structure sectional view of the present utility model；
Fig. 2 is operation principle schematic diagram of the present utility model；
Fig. 3 is the structural representation of planetary system in this utility model；
Fig. 4-1 is the internal structure sectional view of seedling claw in this utility model；
Fig. 4-2 is the overall structure schematic diagram of seedling claw in this utility model；
Fig. 5-1 for planet carrier corner in this utility model be the 0～203 incomplete eccentric gears in °Shi center with
The transmission ratio curve figure of the first middle non-circular gear engagement；
Fig. 5-2 for planet carrier corner in this utility model be the 203～360 incomplete non-circular gears in °Shi center with
The transmission ratio curve figure of not exclusively non-circular gear engagement in the middle of first.
In figure: 1, central shaft, 2, planet carrier, 3, the incomplete eccentric gear in center, 4, center the completeest
Full non-circular gear, the 5, first jackshaft, the 6, second jackshaft, the 7, first middle non-circular gear, 8, the
Incomplete non-circular gear in the middle of one, the 9, second middle non-circular gear, incomplete non-circular gear in the middle of 10, second,
11, first planet axle, the 12, second planet axis, 13, first planet non-circular gear, the 14, second planet is non-
Knucle-gear, 15, seedling claw, 15-1, pushes away Seedling cam, 15-2, pushes away Seedling shift fork, 15-3, seedling-pushing rod, 15-4,
Seedling pin, 15-5, spring, 15-6, push away Seedling pawl, 16, seedling pick-up trajectory, 17, pot seedling.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1,2 and 3, a kind of combination type incomplete off-centre operation not rounded gear planetary wheel system vegetable seedling taking
Mechanism, including central shaft 1, planet carrier 2, the incomplete eccentric gear in center 3, the incomplete non-knuckle-tooth in center
Wheel 4, first jackshaft the 5, second jackshaft the 6, first middle non-circular gear 7, first is middle the most non-
In the middle of Knucle-gear 8, the second middle non-circular gear 9, second not exclusively non-circular gear 10, first planet axle 11,
Second planet axis 12, first planet non-circular gear the 13, second planet non-circular gear 14 and seedling claw 15.In
One end of mandrel 1 is connected with power set, and the other end is fixed with planet carrier 2；The not exclusively eccentric knuckle-tooth in center
Wheel 3 is fixed with frame, and the incomplete non-circular gear in center 4 is fixed with the incomplete eccentric gear in center 3, and
The gear teeth of the incomplete non-circular gear in center 4 are arranged on not homonymy with the gear teeth of the incomplete eccentric gear in center；
The equal empty set of the incomplete non-circular gear of the incomplete eccentric gear in center 3 and center 4 is on center shaft；In first
Countershaft 5 and the second jackshaft 6 are symmetricly set on central shaft both sides, and are all connected by bearing with planet carrier 2；
First middle non-circular gear 7 is connected by spline with the first jackshaft 5, incomplete non-circular gear in the middle of first
8 empty sets are on the first jackshaft, and fix with the first middle non-circular gear 7；Second middle non-circular gear 9
Being connected by spline with the second jackshaft 6, in the middle of second, not exclusively non-circular gear 10 empty set is at the second jackshaft
On, and fix with the second middle non-circular gear 9；First planet axle 11 and the second planet axis 12 are symmetrical arranged
At planet carrier 2 two ends, and all it is connected by bearing with planet carrier；First planet non-circular gear 13 and the first row
Star axle 11 is connected by spline, and the second planet non-circular gear 14 is connected by spline with the second planet axis 12；
One end of first planet axle 11 and the second planet axis 12 is all stretched out outside planet carrier 2, and respectively with a seedling taking
The housing of pawl 15 is fixed.The both sides of the first middle non-circular gear 7 eccentric gear 3 incomplete with center respectively
And first planet non-circular gear 13 is connected by gear pair；The both sides of the second middle non-circular gear 9 respectively with in
The incomplete eccentric gear of the heart 3 and the second planet non-circular gear 14 are connected by gear pair；When center is incomplete
When eccentric gear 3 starts to engage with the first middle non-circular gear 7, the incomplete non-circular gear in center 4 and
In the middle of one, not exclusively non-circular gear 8 separates, and engages with not exclusively non-circular gear 10 in the middle of second；When center not
When fully eccentric Knucle-gear 3 starts to engage with the second middle non-circular gear 9, the incomplete non-circular gear in center 4
Separate with not exclusively non-circular gear 10 in the middle of second, engage with not exclusively non-circular gear 8 in the middle of first, it is ensured that
The seriality of transmission.
In the middle of the incomplete non-circular gear in center 4 and first, not exclusively non-circular gear 8 is when entering and being disengaged from
The engaged transmission ratio carved and the incomplete eccentric gear in center 3 and the engaged transmission of the first middle non-circular gear 7
Ratio is equal.
In the middle of the incomplete non-circular gear in center 4 and second, not exclusively non-circular gear 10 enters and is disengaged from the moment
Engaged transmission than and the incomplete eccentric gear in center 3 and the engaged transmission ratio of the second middle non-circular gear 9
Equal.
The incomplete non-circular gear in center 4 and the transmission ratio function that in the middle of first, not exclusively non-circular gear 8 engagesWherein,For the corner of planet carrier 2, parameter a0=1.5196,
a1=1.1873 and a2=-0.0419.
First middle non-circular gear 7 is identical with the pitch curve parameter of the second middle non-circular gear 9；First planet
Non-circular gear 13 is identical with the pitch curve parameter of the second planet non-circular gear 14；Incomplete not rounded in the middle of first
The pitch curve parameter of gear 8 non-circular gear 10 incomplete with in the middle of second is identical.
As in figure 2 it is shown, planet carrier 2 rotates counterclockwise, by the variable speed transmission of planetary system, seedling claw 15
Seedling needle point point formed seedling pick-up trajectory 16；The head of seedling pick-up trajectory is provided with latch closure, from head cusp to pot seedling disk
Top is seedling taking section, and seedling taking segment length is 35mm.
As shown in Fig. 4-1 and 4-2, seedling claw 15 uses the prior art of maturation, such as Application No.
201210293743.3 patent.
As shown in fig. 5-1, in the cycle that planet carrier 2 rotates, when planet carrier corner is 0～203 °,
The incomplete eccentric gear in center 3 engages with the first middle non-circular gear 7, its gear ratio i1Turn with planet carrier
AngleSmooth variation；As shown in Fig. 5-2, when planet carrier corner is 203～360 °, the incomplete not rounded in center
Gear 4 engages with not exclusively non-circular gear 8 in the middle of first, and its gear ratio i is with planet carrier cornerOccurs one
Peak value, and peak value relative transmission ratio i1Excursion do not occur drastically changing.Visible, center is incomplete
Non-circular gear 4 non-circular gear 8 incomplete with in the middle of first engages and causes planetary system first order gear pair gear ratio
Sudden change little, and rotate in small angle range at planet carrier and achieve the whole change procedure of gear ratio i, with
In time, achieve in the whole cycle that planet carrier rotates, the change that planetary system first order gear pair gear ratio is the mildest
Changing, compared with prior art, stable drive, impulsive force is little.Gear ratio shown in Fig. 5-1 and 5-2 occurs
Variation tendency be due to planet carrier corner be 203 ° time, in the middle of the incomplete eccentric gear in center 3 and first
Non-circular gear 7 separates, and in the middle of the incomplete non-circular gear in center 4 and first, not exclusively non-circular gear 8 is opened simultaneously
Begin to engage；When planet carrier corner is 360 °, the most non-in the middle of the incomplete non-circular gear in center 4 and first
Knucle-gear 8 separates, and the incomplete eccentric gear in center 3 and the first middle non-circular gear 7 start engagement simultaneously.
The operation principle of this combination type incomplete off-centre operation not rounded gear planetary wheel system vegetable seedling picking mechanism:
Power passes to planet carrier 2 through central shaft 1, drives planet carrier 2 to rotate；The not exclusively eccentric knuckle-tooth in center
Take turns 3 empty sets and fix on central shaft 1 and with frame, planet carrier 2 drive the first middle non-circular gear 7,
Two middle non-circular gears 9, first planet non-circular gear 13 and the second planet non-circular gear 14 revolve round the sun；First
Both sides eccentric gear 3 incomplete with center and the first planet non-circular gear 13 respectively of middle non-circular gear 7
Engagement, the both sides of the second middle non-circular gear 9 eccentric gear 3 incomplete with center and the second planet respectively
Non-circular gear 14 engages, it is achieved that the variable speed transmission of seedling claw 15；When the incomplete eccentric gear in center
3 when starting to engage with the first middle non-circular gear 7, the completeest in the middle of the incomplete non-circular gear in center 4 and first
Full non-circular gear 8 separates, and engages with not exclusively non-circular gear 10 in the middle of second；When the incomplete off-centre operation in center
When gear 3 starts to engage with the second middle non-circular gear 9, in the middle of the incomplete non-circular gear in center 4 and second
Not exclusively non-circular gear 10 separates, and engages with not exclusively non-circular gear 8 in the middle of first, it is ensured that transmission continuous
Property.
When planet carrier 2 turns to push away Seedling position, push away Seedling cam 15-1 and push away Seedling shift fork 15-2 rotation,
Push away Seedling shift fork 15-2 drive the seedling-pushing rod 15-3 head movement to seedling claw 15, seedling-pushing rod head push away Seedling pawl
15-6 completes to push away Seedling action, and seedling pin 15-4 opens under the effect of seedling-pushing rod, and pot seedling 17 comes off；Work as planet
When frame 2 turns to seedling taking position, push away Seedling shift fork 15-2 and be in the closely section of stopping pushing away Seedling cam 15-1, push away Seedling
Bar 15-3 and push away Seedling shift fork 15-2 and return to initial position under the effect of spring 15-5, seedling pin 15-4 is pushing away
Step up the pot seedling 17 in pot seedling disk under the effect of Seedling pawl 15-6, complete seedling taking action and do for pushing away Seedling next time
Prepare.
Claims (3)
1. the incomplete off-centre operation of a combination type-not rounded gear planetary wheel system vegetable seedling picking mechanism, including center
Axle, planet carrier, the incomplete eccentric gear in center, the incomplete non-circular gear in center, the first jackshaft,
Second jackshaft, the first middle non-circular gear, the first middle not exclusively non-circular gear, the second middle not rounded
Gear, the second middle not exclusively non-circular gear, first planet axle, the second planet axis, first planet not rounded
Gear, the second planet non-circular gear and seedling claw, it is characterised in that: one end of described central shaft and power
Device connects, and the other end is fixed with planet carrier；The incomplete eccentric gear in described center is fixed with frame,
The incomplete eccentric gear in center non-circular gear incomplete with center is fixed, and the incomplete non-circular gear in center
The gear teeth of the gear teeth and the incomplete eccentric gear in center be arranged on not homonymy；Described center is the most inclined
Heart Knucle-gear and the center equal empty set of incomplete non-circular gear is on center shaft；The first described jackshaft and
Two jackshafts are symmetricly set on central shaft both sides, and are all connected by bearing with planet carrier；Described first
Middle non-circular gear and the first jackshaft are connected by spline, and in the middle of first, not exclusively non-circular gear empty set exists
On first jackshaft, and fix with the first middle non-circular gear；The second described middle non-circular gear and
Two jackshafts are connected by spline, and in the middle of second, not exclusively non-circular gear empty set is on the second jackshaft, and
Fix with the second middle non-circular gear；Described first planet axle and the second planet axis are symmetricly set on planet
Frame two ends, and be all connected by bearing with planet carrier；Described first planet non-circular gear and first planet
Axle is connected by spline, and the second planet non-circular gear and the second planet axis are connected by spline；First planet
One end of axle and the second planet axis is all stretched out outside planet carrier, and housing with a seedling claw is fixed respectively；
The both sides of described first middle non-circular gear eccentric gear incomplete with center and first planet not rounded respectively
Gear is connected by gear pair；The both sides of the second middle non-circular gear knuckle-tooth not exclusively eccentric with center respectively
Wheel and the second planet non-circular gear are connected by gear pair；The incomplete non-circular gear in described center and first
In the middle of middle not exclusively non-circular gear or second, not exclusively non-circular gear is connected by gear pair；
In the middle of the incomplete non-circular gear in described center and first, not exclusively non-circular gear is nibbled in entrance and disengaging
The engaged transmission of the conjunction passes than the engagement with the incomplete eccentric gear in center and the first middle non-circular gear
Dynamic ratio is equal；
In the middle of the incomplete non-circular gear in described center and second, not exclusively non-circular gear enters and is disengaged from
The engaged transmission ratio in moment and the incomplete eccentric gear in center and the engaged transmission of the second middle non-circular gear
Ratio is equal；
The gear ratio letter of not exclusively non-circular gear engagement in the middle of the incomplete non-circular gear in described center and first
NumberWherein,For the corner of planet carrier, parameter a0Span
It is 1～2, a1Span is 1～2, a2Span is-1～1.
A kind of incomplete off-centre operation of combination type the most according to claim 1-not rounded gear planetary wheel system vegetables
Dish seedling picking mechanism, it is characterised in that: the first described middle non-circular gear and the second middle non-circular gear
Pitch curve parameter is identical；The pitch curve parameter of first planet non-circular gear and the second planet non-circular gear is identical；
The pitch curve parameter phase of incomplete non-circular gear in the middle of incomplete non-circular gear and second in the middle of described first
With.
A kind of incomplete off-centre operation of combination type the most according to claim 1-not rounded gear planetary wheel system vegetables
Dish seedling picking mechanism, it is characterised in that: described planet carrier rotates, and the seedling needle point point of seedling claw forms seedling taking
Track；The head of described seedling pick-up trajectory is provided with latch closure, is seedling taking section from head cusp to pot seedling disk top,
Seedling taking segment length is 35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620158614.7U CN205454556U (en) | 2016-03-02 | 2016-03-02 | Modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620158614.7U CN205454556U (en) | 2016-03-02 | 2016-03-02 | Modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205454556U true CN205454556U (en) | 2016-08-17 |
Family
ID=56659172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620158614.7U Expired - Fee Related CN205454556U (en) | 2016-03-02 | 2016-03-02 | Modular seedling mechanism is got to incomplete eccentric circle - non - knuckle -tooth planetary gear train vegetables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205454556U (en) |
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2016
- 2016-03-02 CN CN201620158614.7U patent/CN205454556U/en not_active Expired - Fee Related
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |