CN107061705A - Rice transplanter walking box bevel gear differential deceleration device - Google Patents
Rice transplanter walking box bevel gear differential deceleration device Download PDFInfo
- Publication number
- CN107061705A CN107061705A CN201710267343.8A CN201710267343A CN107061705A CN 107061705 A CN107061705 A CN 107061705A CN 201710267343 A CN201710267343 A CN 201710267343A CN 107061705 A CN107061705 A CN 107061705A
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- gear
- shaft
- differential
- bevel
- bevel gear
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of rice transplanter walking box bevel gear differential deceleration device, bevel gear differential reducing gear is provided with the casing of bevel gear differential deceleration device, bevel gear differential reducing gear includes composite shaft, and composite shaft includes input shaft part, differential shaft installation shaft part and the output shaft part that order is set；Input shaft part is rotatablely equipped with power input bevel gear, and power input bevel gear is fixed on lower box；Differential shaft installs shaft part rotation and is fitted with differential shaft, and the two ends of differential shaft are connected to bevel type differential gear；Output shaft part is rotatablely equipped with double bevel wheel；One bevel type differential gear is engaged with power input bevel gear, and another bevel type differential gear is engaged with a bevel gear of double bevel wheel, and another bevel gear of double bevel wheel engages with land wheel shaft bevel gears, and land wheel shaft bevel gears are connected to land axle.The bevel gear differential reducing gear of the present invention, gearratio is big, compact conformation, rice transplanter it is good by property.
Description
Technical field
The invention belongs to rice transplanter technical field, a kind of rice transplanter walking box bevel gear differential is particularly related to and has slowed down
Device.
Background technology
Rice transplanter is the planting machinery being planted in rice seedling in paddy field, which raises the speed of rice transplanting and is planted
Quality, realizes rational close planting, is conducive to the mechanization of subsequent job.In the rice transplanter of prior art, it is desirable to realize rice transplanting
The normal work of machine, just has to handle by deceleration.Chinese utility model patent " U of CN 205921993 " discloses one kind
The rice transplanter walking box of entitled " rice transplanter walking box with turning function " combines steering mechanism and traveling box one
Rise.The upper box and lower box of rice transplanter walking box rotate connection, and steering gear is provided between steering spindle and lower box,
When being rotationally movable thereby steering spindle, its power can pass to lower box by steering gear, and then be connected to nowel
Land wheel on the land axle of body is turned to, and realizes wheeled steering.But, the reducing gear of rice transplanter walking box uses worm gear
Although worm structure, this reducing gear disclosure satisfy that rice transplanter carries out required gearratio during transplanting work, but worm gear
The relative sliding velocity of worm screw is big, and transmission efficiency is relatively low, more serious, the problem of this structure often has insufficient strength of wearing and tearing,
Reliability is relatively low.And worm-and-wheel gear has auto-lock function, the transmission of its power be it is irreversible, i.e., can only be by worm screw band
Dynamic worm gear motion, and worm movement can not be driven by worm gear, and when the situation that the land axle for rice transplanter occur is stuck, even
The worm gear being connected on land axle can not drive worm movement, i.e., can not realize the reverse transmission of enough power, thus occur slotting
The situation that seedling machine can not be towed.Also, in lower box use worm and gear form reducing gear, worm gear it is larger, it is necessary to
The very big of the structure design of lower box, can thus cause lower box nearer apart from ground, rice transplanter it is poor by property.
The content of the invention
In view of prior art is not enough above, the present invention provides a kind of rice transplanter walking box bevel gear differential deceleration device,
So that solve when rice transplanter breaks down can not be by the technical problem of telephone-moving, and transmission efficiency, reliability is high, good by property.
In order to solve the above technical problems, the technical scheme is that：Rice transplanter walking box bevel gear differential deceleration device,
It is characterised in that it includes：Bevel gear differential reducing gear, the bevel gear differential reductor are provided with casing, the casing
Structure drive connection is between walking output shaft and land axle.
Further, the bevel gear differential reducing gear includes composite shaft, and the composite shaft includes the defeated of order setting
Enter shaft part, differential shaft and shaft part and output shaft part are installed；The input shaft part is rotatablely equipped with power input bevel gear, the power
Input bevel gear is fixed on the casing；The differential shaft installs shaft part rotation and is fitted with differential shaft, the two ends of the differential shaft
It is connected to bevel type differential gear；The output shaft part is rotatablely equipped with double bevel wheel；One bevel type differential gear and institute
Power input bevel gear engagement is stated, another described bevel type differential gear is engaged with a bevel gear of the double bevel wheel, institute
Another bevel gear for stating double bevel wheel engages with land wheel shaft bevel gears, and the land wheel shaft bevel gears are connected to the land wheel
Axle.
Further, the differential shaft is arranged with the composite shaft oblique.
Further, the differential shaft installs shaft part and offers mounting hole, the differential shaft by bearing be rotatablely installed in
The mounting hole.
Further, the walking output shaft is connected with the composite shaft by spline housing or shaft coupling.
Employ after above-mentioned technical proposal, the beneficial effects of the invention are as follows：
1) reducing gear uses bevel gear differential reducing gear, and the gearratio of this structure is big, compact conformation, reliability
Height, space needed for structure arrangement is smaller, has the larger radius of gyration not as worm gear, thus rice transplanter is good by property.
Moreover, compared to the reducing gear of worm and gear form, its motion is reversible.Because worm-and-wheel gear has
Auto-lock function, the transmission of its power is irreversible, i.e., worm gear motion can only be driven by worm screw, and can not drive worm screw by worm gear
Motion, and once there is rice transplanter failure, it is impossible in the case of voluntarily providing power, the worm gear being connected on land axle can not band
Dynamic worm movement, i.e., can not realize the reverse transmission of enough power, the situation that rice transplanter can not be towed just occurs.But, adopt
During with bevel gear differential reducing gear, the transmission of power is realized by the engagement between conical gear, when rice transplanter because
When breaking down and can not voluntarily provide the situation of power, exterior power can just drag rice transplanter walking.
2) bevel gear differential reducing gear specifically includes composite shaft, and composite shaft includes the input shaft part that order sets, differential
Axle installs shaft part and output shaft part；Input shaft part is rotatablely equipped with power input bevel gear, under power input bevel gear is fixed on
Casing；Differential shaft installs shaft part rotation and is fitted with differential shaft, and the two ends of differential shaft are connected to bevel type differential gear；Export shaft part
It is rotatablely equipped with double bevel wheel；One bevel type differential gear and power input bevel gear engages, another bevel type differential gear with pair
Join the bevel gear engagement of bevel gear, another bevel gear of double bevel wheel and the land wheel shaft bevel gears for being connected to land axle
Engagement.When differential shaft is arranged with composite shaft oblique, bevel gear differential reducing gear subtracts in the case where ensureing reducing gear intensity
The gearratio of fast mechanism is optimal.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the rice transplanter walking box embodiment for containing present inventive concept；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the sectional view of the amplification at B-B in Fig. 1；
Fig. 4 is the structural representation of the amplification of steering gear in Fig. 1；
Fig. 5 is the sectional view of the amplification of the bevel gear differential deceleration device of the present invention；
Fig. 6 is the structural representation of the amplification of composite shaft in Fig. 5；
In figure, the axles of 1- mono-, the axles of 2- bis-, the axles of 3- tri-, 4- reverse gear shafts, 5- upper boxes, 6- main clutch, the axle rice transplanting duplexs of 7- mono-
Gear, the axle speeds of 8- mono- gear gear, the axles of 9- mono- walking duplicate gear, the big little gear of the axles of 10- bis-, the axle duplicate gears of 11- bis-, 12-
Reverse gear shaft constant mesh gear, 13- reverse gear shaft balladeur trains, the axial cylindrical gears of 14- tri-, the axle conical gears of 15- tri-, 16- walkings are defeated
Shaft conical gear, 17- walking output shafts, 18- sleeves, 19- rice transplanting output shafts, 20- rear drive shafts, 21- transition gears, 22-
Rice transplanting drives driving gear, and 23- rice transplanting clutch active jaws, 24- rice transplantings clutch is turned by dynamic interlocking teeth, 25- rear drive gears, 26-
To axle, turned on 27- and gear wheel is turned on little gear, 28-, 29- jackshafts turn under 30- and turn to canine tooth under little gear, 31-
Wheel, 32- steering wheels, 33- torque multipliers, 34- nowel bodies, 35- sealing rings, 36- composite shafts, 361- input shaft parts, 362-
Differential shaft installs shaft part, 3621- mounting holes, 363- output shaft parts, 37- power input bevel gear, 38- bevel type differential gears one, 39-
Bevel type differential gear two, 40- double bevel wheels, 41- land wheel shaft bevel gears, 42- land axles, 43- differential shafts, 44- land wheels.
Embodiment
Below in conjunction with the accompanying drawings, the rice transplanter of the rice transplanter walking box bevel gear differential deceleration device using the present invention is walked
Case is further illustrated.
As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, a kind of rice transplanter walking box, it includes upper box 5 and lower box, nowel
Body includes nowel body 34 and sleeve 18 again, and nowel body 34 is fixedly connected with sleeve 18, and sleeve 18 stretches into the inside of upper box 5 simultaneously
Connection is rotated, certainly, on the premise of manufacturing licence, nowel body 34 can also be set to one with sleeve 18 turns into a nowel
Sealing ring 35 can be provided between body, and upper box 5 and sleeve 18.
Steering spindle 26 is rotatably installed on upper box 5, and hydraulic motor is additionally provided with upper box 5 and is driven by steering wheel 32
Torque multiplier 33, torque multiplier 33 is connected with hydraulic motor by fluid pressure line, steering spindle 26 and torque multiplier 33
Connection, so, when steering wheel rotation 32, steering spindle 26 will be rotated accordingly, be in order that turning to using torque multiplier 33
Operation is more light and flexible.
One axle 1, two axles 2, three axles 3, reverse gear shaft 4, rice transplanting output shaft 19 and rear drive shaft 20 is parallel longitudinal is installed on top box
In body 5, the shaft end of an axle 1 is provided with main clutch 6, for connecting or cutting off power input.Rice transplanting output shaft 19 is used for slotting
Seedling Working mechanism exports power, and land axle 42 is installed on lower box, in use, land wheel 44 is arranged on land axle 42, realizes most
Whole walking.
A series of drive disk assembly is provided with the rice transplanter walking box of the present invention, these parts are combined together composition
Rice transplanter can be made to advance, retreat and rice transplanting operation power drive mechanism, it has use in land walking pure
Walking gear, gear, gear for reversing gear and driving caterpillar drive of rice transplanting etc. in walking.The following is the power drive mechanism
Detailed construction.
It is provided with one axle 1：One axle speed gear gear 8, the axle walking axle rice transplanting duplicate gear 7 of duplicate gear 9 and one, one
Axle speed gear gear 8 is located between the axle walking axle rice transplanting duplicate gear 7 of duplicate gear 9 and one, axle speed gear gear 8 and one
It is respectively arranged with the adjacent end face of axle walking duplicate gear 9 and combines dental inlay；The one axle speed gear feather key of gear 8 is connected to an axle 1,
One axle walking duplicate gear 9 and one axle rice transplanting duplicate gear 7 is rotatablely installed in an axle 1 by bearing respectively, in the present embodiment,
One axle walking duplicate gear 9 and one axle rice transplanting duplicate gear 7 all has two roller gears.
It is provided with two axles 2：The big axle duplicate gear 11 of little gear 10 and two of two axles, the big key of little gear 10 of two axles is connected to two
Axle 2, the feather key of two axle duplicate gear 11 is connected to two axles 2.
It is provided with three axles 3：Transition gear 21, three axial cylindrical gears 14 and three axle conical gears 15, transition gear 21 lead to
Cross bearing to be rotatablely installed in three axles 3, key is connected to three axles 3 respectively for three axial cylindrical gears 14 and three axle conical gears 15.
It is provided with reverse gear shaft 4：Reverse gear shaft constant mesh gear 12 and reverse gear shaft balladeur train 13, reverse gear shaft constant mesh gear
12 keys are connected to reverse gear shaft 4, and the feather key of reverse gear shaft balladeur train 13 is connected to reverse gear shaft 4.
It is provided with rice transplanting output shaft 19：Rice transplanting drives driving gear 22, and rice transplanting drives driving gear 22 to turn by bearing
It is dynamic to be installed on rice transplanting output shaft 19.
It is provided with rear drive shaft 20：Rear drive gear 25, the key of rear drive gear 25 is connected to rear drive shaft 20.
Walking output shaft 17 is installed in upper box 5, and one end key of walking output shaft 17 is connected with walking output shaft circular cone
Gear 16, the other end of walking output shaft 17 is connected with one end of composite shaft 36 by spline housing or shaft coupling.
Rice transplanting driving driving gear 22 be rotatablely installed by bearing in rice transplanting output shaft 19, rice transplanting output shaft 19 be provided with
The rice transplanting clutch that rice transplanting driving driving gear 22 is engaged, by the rice transplanting clutch, can more easily control rice transplanting to move
The output of power.Rice transplanting clutch in the present invention includes rice transplanting clutch active jaw 23 and rice transplanting clutch by dynamic interlocking teeth 24, rice transplanting
Clutch active jaw 23 is fixedly connected with rice transplanting driving driving gear 22, and rice transplanting clutch is by dynamic interlocking teeth 24 and the key of rice transplanting output shaft 19
Connection.
The meshing relation of each gear is in above-mentioned power drive mechanism：
One gear of one axle walking duplicate gear 9 is engaged with three axial cylindrical gears 14, and the one of an axle rice transplanting duplicate gear 7
Individual gear is engaged with transition gear 21, and transition gear 21 is engaged with rice transplanting driving driving gear 22, and the one of the big little gear 10 of two axles
Individual gear is engaged with reverse gear shaft constant mesh gear 12, another gear of the big little gear 10 of two axles and an axle rice transplanting duplicate gear 7
Another gear engagement；Three axle conical gears 15 are engaged with walking output shaft conical gear 16；
One axle speed keeps off gear 8 and is connected to form fast gear with the axle walking dental inlay of duplicate gear 9；
One axle speed gear gear 8 engages to form slow gear with a gear of the big little gear of two axles 10；
One gear of two axle duplicate gears 11 engages to form rice transplanting walking with a gear of axle walking duplicate gear 9
Speed selects gear.
The power transmission route of above-mentioned variable transmission mechanism is：
Rice transplanting state walking power transmission route be:The axle speed of 6 → mono- axle of main clutch 1 → mono- keeps off the axle of gear 8 → bis-
The axle 3 of big 10 → bis- axle of little gear, 2 → bis- axle duplicate gear, 11 → mono- 9 → tri- axial cylindrical gear of axle walking duplicate gear 14 → tri- →
Three axle conical gear 15 → walking output shaft conical gear 16 → walking output shafts 17.
Not rice transplanting state walking power transmission route be：
The axle speed of 6 → mono- axle of main clutch 1 → mono- gear gear 8 → mono- axle walking axial cylindrical gear 14 of duplicate gear 9 → tri-
The axle conical gear 15 → walking output shaft conical gear 16 → walking output shaft 17 of → tri- axle 3 → tri-.
The power transmission route reversed gear is：
The axle speed of 6 → mono- axle of main clutch 1 → mono- keeps off big 10 → reverse gear shaft of the little gear constant mesh gear 12 of the axle of gear 8 → bis-
The axle circle of 14 → tri- axle of the axle of 4 → reverse gear shaft of → reverse gear shaft balladeur train 13 → mono- walking 9 → tri- axial cylindrical gear of duplicate gear 3 → tri-
Bevel gear 15 → walking output shaft conical gear 16 → walking output shaft 17.
Rice transplanting driving power transmission route be：The axle speed of 6 → mono- axle of main clutch 1 → mono- keeps off the axle size of gear 8 → bis-
21 → the rice transplanting of axle rice transplanting 7 → transition gear of duplicate gear of gear 10 → mono- driving driving gear 22 → rice transplanting clutch active jaw 23
→ rice transplanting clutch is by dynamic interlocking teeth 24 → rice transplanting, 19 → rice transplanting mechanism of output shaft.
The power transmission route of rear bridge driven is：The axle speed of 6 → mono- axle of main clutch 1 → mono- keeps off the axle size of gear 8 → bis-
The axle of 10 → bis- axle of gear, 2 → bis- axle duplicate gear 11 → mono- walking axial cylindrical 14 → rear drive gear of gear of duplicate gear 9 → tri-
25 → rear drive shaft, 20 → back axle.
As shown in figure 4, being provided with steering gear between the sleeve 18 of steering spindle 26 and lower box, specifically, turn to
Axle 26 be provided with steering little gear 27, it is upper steering little gear 27 can be set to steering spindle 26 one can also split set,
Jackshaft 29 is fixedly connected with steering gear wheel 28 and lower steering little gear 30, likewise, working as gear diameter close to jackshaft
When 29, lower steering little gear 30 can be set to one with jackshaft 29, and lower steering gear wheel 31 is fixedly connected on sleeve 18.It is upper to turn
Engaged to little gear 27 with upper steering gear wheel 28, lower steering little gear 30 is engaged with lower steering gear wheel 31,29 turns of jackshaft
It is dynamic to be installed in upper box 5.
The power transmission route of above-mentioned steering gear is：
32 → torque multiplier of steering wheel, 33 → steering spindle 26 → above turn to little gear 27 → above turn to gear wheel 28 → in
Countershaft 29 → lower steering little gear 30 → 42 → land wheel of lower steering gear wheel 31 → sleeve, 18 → nowel, 34 → land axle of body 44.
Above-mentioned steering gear is the gear drive of double reduction, in order to obtain the speed ratio of adaptation, can also be adopted
The deceleration of structure or three-level and the structure of the above with primary speed-down, these are known to one of ordinary skill in the art.It is logical
The power drive mechanism is crossed, during steering, lower box is rotated relative to upper box, because lower box is connected with land axle, thus can
Drivingly to take turns rotation, and the upper box being connected with engine etc. is motionless.
As shown in figs.5 and 6, it is additionally provided with bevel gear differential reductor in the nowel body 34 of rice transplanter walking box
Structure, bevel gear differential reducing gear includes composite shaft 36, and composite shaft 36 includes input shaft part 361, the differential shaft peace that order is set
Fill shaft part 362 and output shaft part 363.Input shaft part 361 is rotatablely installed dynamic input bevel gear 40, and power input cone tooth
Wheel 40 is fixed on lower box, can be fixedly connected with power input bevel gear 40 with lower box by screw, it is of course also possible to logical
Other conventional connected modes are crossed to be attached.Differential shaft installs shaft part 362 and is fitted with differential shaft 43, specifically, differential shaft peace
Dress shaft part 362 can open up mounting hole 3621, and differential shaft 43 is rotatablely installed in mounting hole 3621 by bearing.Differential shaft 43 is preferred
Arranged with the oblique of composite shaft 36.Key is connected with bevel type differential gear respectively at the two ends of differential shaft 43, is respectively defined as bevel type differential gear
One 38 and bevel type differential gear 2 39.Output shaft part 363 is rotatablely equipped with double bevel wheel 40 by bearing.Bevel type differential gear 1
Engaged with a gear of double bevel wheel 40, bevel type differential gear 2 39 is engaged with power input bevel gear 37, double bevel wheel
40 another gear is engaged with land wheel shaft bevel gears 41, and land wheel shaft bevel gears 41 are fixedly connected on land axle 42, land axle
Bevel gear 41 can be connected by way of welding or key connection with land axle 42, it is of course also possible to conventional by other
Connected mode is attached.
The power transmission route of above-mentioned bevel gear differential reducing gear is：
2 39 → differential shaft of walking output shaft 17 → composite shaft, 36 → differential shaft, 43 → bevel type differential gear 43 → differential cone tooth
Take turns one 38 → double bevel wheel, 40 → land wheel, 41 → land axle of shaft bevel gears, 42 → land wheel 44.
The technical characteristic (a such as axle, two axles, three axles) named with sequence number being related in this specification, be only
Difference each technical characteristic, does not represent position relationship, erection sequence and job order between each technical characteristic etc..
The present invention is not limited to above-mentioned specific embodiment, one of ordinary skill in the art from above-mentioned design,
Without performing creative labour, made a variety of conversion are all fallen within protection scope of the present invention.
Claims (5)
1. rice transplanter walking box bevel gear differential deceleration device, it is characterised in that including：Cone is provided with casing, the casing
Differential gear reducing gear, the bevel gear differential reducing gear drive connection is between walking output shaft and land axle.
2. rice transplanter walking box bevel gear differential deceleration device as claimed in claim 1, it is characterised in that the bevel gear is poor
Dynamic reducing gear includes composite shaft, and the composite shaft includes the input shaft part of order setting, differential shaft and installs shaft part and output shaft
Section；
The input shaft part is rotatablely equipped with power input bevel gear, and the power input bevel gear is fixed on the casing；Institute
State differential shaft installation shaft part rotation and be fitted with differential shaft, the two ends of the differential shaft are connected to bevel type differential gear；It is described defeated
Go out shaft part and be rotatablely equipped with double bevel wheel；One bevel type differential gear is engaged with power input bevel gear, another
The bevel type differential gear is engaged with a bevel gear of the double bevel wheel, another bevel gear of the double bevel wheel with
Land wheel shaft bevel gears are engaged, and the land wheel shaft bevel gears are connected to the land axle.
3. rice transplanter walking box bevel gear differential deceleration device as claimed in claim 2, it is characterised in that the differential shaft with
The composite shaft oblique arrangement.
4. rice transplanter walking box bevel gear differential deceleration device as claimed in claim 2, it is characterised in that the differential shaft peace
Dress shaft part offers mounting hole, and the differential shaft is rotatablely installed in the mounting hole by bearing.
5. rice transplanter walking box bevel gear differential deceleration device as claimed in claim 2, it is characterised in that the walking output
Axle is connected with the composite shaft by spline housing or shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267343.8A CN107061705A (en) | 2017-04-21 | 2017-04-21 | Rice transplanter walking box bevel gear differential deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267343.8A CN107061705A (en) | 2017-04-21 | 2017-04-21 | Rice transplanter walking box bevel gear differential deceleration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061705A true CN107061705A (en) | 2017-08-18 |
Family
ID=59603314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710267343.8A Pending CN107061705A (en) | 2017-04-21 | 2017-04-21 | Rice transplanter walking box bevel gear differential deceleration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061705A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153639A (en) * | 1983-02-22 | 1984-09-01 | Iseki & Co Ltd | Step device in riding rice transplanter |
| JP2006340648A (en) * | 2005-06-08 | 2006-12-21 | Yanmar Co Ltd | Riding type rice transplanter |
| CN202927002U (en) * | 2012-11-06 | 2013-05-08 | 莱恩农业装备有限公司 | Transmission case of wide and narrow row transplanter |
| CN203675568U (en) * | 2013-12-27 | 2014-07-02 | 重庆坤越机械制造有限公司 | Mini-tiller transmission case |
| CN104847872A (en) * | 2014-02-14 | 2015-08-19 | 洋马株式会社 | Walking type rice transplanter |
| CN206785980U (en) * | 2017-04-21 | 2017-12-22 | 潍坊同方机械有限公司 | Rice transplanter walking box bevel gear differential deceleration device |
-
2017
- 2017-04-21 CN CN201710267343.8A patent/CN107061705A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59153639A (en) * | 1983-02-22 | 1984-09-01 | Iseki & Co Ltd | Step device in riding rice transplanter |
| JP2006340648A (en) * | 2005-06-08 | 2006-12-21 | Yanmar Co Ltd | Riding type rice transplanter |
| CN202927002U (en) * | 2012-11-06 | 2013-05-08 | 莱恩农业装备有限公司 | Transmission case of wide and narrow row transplanter |
| CN203675568U (en) * | 2013-12-27 | 2014-07-02 | 重庆坤越机械制造有限公司 | Mini-tiller transmission case |
| CN104847872A (en) * | 2014-02-14 | 2015-08-19 | 洋马株式会社 | Walking type rice transplanter |
| CN206785980U (en) * | 2017-04-21 | 2017-12-22 | 潍坊同方机械有限公司 | Rice transplanter walking box bevel gear differential deceleration device |
Non-Patent Citations (1)
| Title |
|---|
| 常巧红等: "弧齿锥齿轮行星机构的传动比与效率的计算", 《机械传动》 * |
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Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |