CN104412763A - Transplanting machine or direct seeding machine - Google Patents

Transplanting machine or direct seeding machine Download PDF

Info

Publication number
CN104412763A
CN104412763A CN201410448805.2A CN201410448805A CN104412763A CN 104412763 A CN104412763 A CN 104412763A CN 201410448805 A CN201410448805 A CN 201410448805A CN 104412763 A CN104412763 A CN 104412763A
Authority
CN
China
Prior art keywords
gear
variable speed
speed operation
gearbox
operation rod
Prior art date
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.)
Pending
Application number
CN201410448805.2A
Other languages
Chinese (zh)
Inventor
大西哲平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of CN104412763A publication Critical patent/CN104412763A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Landscapes

  • Transplanting Machines (AREA)

Abstract

The present invention provides a transplanting machine or a direct seeding machine, wherein a gearlever can be reasonably installed as a shifting operation rod. The shifting operation rod is used for conducting the shifting operation on a gear shifting mechanism for driving the interval change of the ground work by an operation device. The transplanting machine or the direct seeding machine comprises an engine, a body frame, a gearbox (M) fixed on the body frame, a seedling planting device, a first gear shifting mechanism arranged in the gearbox and used for drivin the multi-level transmission process of the engine, a first gear shifting operation rod (26) used for conducting the gear shifting operation on the first gear shifting mechanism, and a first gear shifting lever (28) in linkage connection with the first gear shifting operation rod (26). The first gear shifting lever (28) is supported on the gearbox (M).

Description

Rice transplanter or seed-sowing machine
Technical field
The present invention relates to a kind of rice transplanter or the seed-sowing machine with gear, this gear by carrying out multi-change speed to the power from engine, thus makes the interval variation of the operation over the ground of apparatus for work.
Background technology
One example of above-mentioned rice transplanter or seed-sowing machine is recorded in such as patent document 1.In the rice transplanter described in patent document 1 or seed-sowing machine, in gearbox, be configured with gear, this gear by carrying out multi-change speed to the power from engine, thus makes the interval variation of the operation over the ground of apparatus for work.And, the variable speed operation rod (being " variable speed operation rod (43) " in patent document 1) gear being carried out to variable speed operation is given prominence to laterally from gearbox, and this variable speed operation rod and gear lever (being " between strain gear lever (46) " in patent document 1) are connected.By carrying out swinging operation to gear lever, the variable speed operation rod be connected with gear lever is operated, and is carried out the variable speed operation of gear by this variable speed operation rod.
Prior art document
Patent document
Patent document 1: Japan Patent No. 4274969 publication (Figure 10, Figure 11 etc.)
Invent problem to be solved
In rice transplanter in the past or seed-sowing machine, due to by gear lever support on fuselage ring, so gear lever being connected for the variable speed operation rod given prominence to laterally from gearbox, carry out after gearbox being fixed on fuselage ring.Therefore, if such as there is alignment error etc. between fuselage ring and gearbox, then, when being connected by gear lever in variable speed operation rod, need the operation carrying out position adjustment.In addition, when gear lever being connected in variable speed operation rod, because working space is subject to the restriction of fuselage ring etc., sometimes install pretty troublesome.
Summary of the invention
In view of above-mentioned actual conditions, the present invention is desirable to provide a kind of rice transplanter or the seed-sowing machine that reasonably gear lever can be installed on variable speed operation rod, and described variable speed operation rod carries out variable speed operation to the gear of the interval variation making the operation over the ground of apparatus for work.
For solving the means of problem
Rice transplanter of the present invention or seed-sowing machine, have: engine; Fuselage ring; Be fixed on the gearbox on described fuselage ring; Carry out the apparatus for work of operation over the ground; Gear, this gear is configured in described gearbox, and makes the interval variation of the operation over the ground of described apparatus for work by carrying out multi-change speed to the power from described engine; Variable speed operation rod, this variable speed operation rod is given prominence to laterally from described gearbox and is carried out variable speed operation to described gear; And gear lever, this gear lever and described variable speed operation rod are connected, and described gear lever support is on described gearbox.
According to the present invention, multi-change speed is carried out to the power from engine and gear that the interval of operation over the ground of apparatus for work is changed is configured in gearbox, for protruding outside to gearbox in gearbox of the variable speed operation rod that carries out the variable speed operation of gear.Gear lever and this variable speed operation rod are connected, and this gear lever support is on the gearbox supported variable speed operation rod.That is, before gearbox is fixed on fuselage ring, gear lever can be connected on variable speed operation rod.Therefore, when being connected by gear lever in variable speed operation rod, the labour caused by alignment error and the increase of time of fuselage ring and gearbox can be got rid of.And, because under the state that the thing of the restriction working spaces such as fuselage ring can not had around gearbox, carry out the operation that be connected of gear lever relative to variable speed operation rod, so the efficiency of installation exercise can be improved.
So, adopt the present invention, can be reasonably installed on by gear lever on variable speed operation rod, described variable speed operation rod carries out variable speed operation to the gear of the interval variation making the operation over the ground of apparatus for work.
In said structure, be preferably, have the support unit be fixed on described gearbox, described gear lever is supported around upper and lower axis rotation freely by described support unit.
Adopt the present invention, gear lever is supported in by support unit on gearbox, therefore the design alteration transfiguration of the configuration of gear lever can be made easy by support unit.And, such as, because gear lever supported portion part supports freely around upper and lower axis rotation, so easily gear lever is such as made the form can carrying out swinging operation along the face of taking foot pedal.Therefore, it is possible to it is good gear lever to be mounted to operability, and stably supported.
In said structure, be preferably, described variable speed operation rod is given prominence to laterally from the transverse side of described gearbox, is moved, carry out variable speed operation to described gear by the slip of the fuselage transverse direction of described variable speed operation rod.
Adopt the present invention, variable speed operation rod is given prominence to from the transverse side of gearbox, and the variable speed operation of gear to be moved in fuselage slip transversely by variable speed operation rod and carries out.Generally, the thing that can form barrier in the transverse side side of gearbox is fewer.Therefore, variable speed operation rod is outstanding to the position that barrier is few, and gear lever and such variable speed operation rod are connected, so the uncrossed position of action when reasonably gear lever can be arranged into operation.
In said structure, be preferably, the increase and decrease of the interval of the operation over the ground of described apparatus for work by carrying out multi-change speed to the operating speed of described apparatus for work relative to the ratio of the travel speed of described apparatus for work, thus is switched to multiple interval by described gear.
In said structure, be preferably, have as described gear lever: the first gear lever and the second gear lever.
In said structure, be preferably, the operating portion of described first gear lever exposes by taking the operating groove of pedal.
Rice transplanter of the present invention or seed-sowing machine, have: engine; Fuselage ring; Be fixed on the gearbox on described fuselage ring; Carry out the apparatus for work of operation over the ground; First gear and the second gear, this first gear and the second gear are configured in described gearbox, and make the interval variation of the operation over the ground of described apparatus for work by carrying out multi-change speed to the power from described engine; First variable speed operation rod and the second variable speed operation rod, this the first variable speed operation rod is given prominence to laterally from described gearbox and is carried out variable speed operation to described first gear, and this second variable speed operation rod is given prominence to laterally from described gearbox and carried out variable speed operation to described second gear; And first gear lever and the second gear lever, this first gear lever and described first variable speed operation rod are connected, this second gear lever and described second variable speed operation rod are connected, and described first gear lever and described second gear lever support are on described gearbox.
In said structure, be preferably, have: be fixed on the first support unit on described gearbox; Be fixed on the first arm member on described first gear lever, described first gear lever is supported by described first support unit freely around about the first axis rotation, described first variable speed operation rod is given prominence to laterally from the transverse side of described gearbox, and engage with described first arm member, when by described first gear lever around about the first axis swing time, described first arm member swings, described first variable speed operation rod transversely to slide movement at fuselage in linkage with described first arm member, thus carries out variable speed operation to described first gear.
In said structure, be preferably, there is the second support unit, this second support unit is integrally formed with described gearbox, and it is outstanding to lateral outer side, described second gear lever has: bar portion, and the second arm member being fixed on this bar portion and being integrally formed, described second gear lever can be supported by described second support unit around about the second axis swing, described second variable speed operation rod is given prominence to laterally from the transverse side of described gearbox, and engage with described second arm member, when by described second gear lever around about the second axis swing time, described second variable speed operation rod transversely to be slided movement at fuselage by described second arm member, thus variable speed operation is carried out to described second gear.
Accompanying drawing explanation
Fig. 1 is the end view of the entirety of riding formula rice transplanter.
Fig. 2 is the vertical view of the entirety of riding formula rice transplanter.
Fig. 3 is the end view of gearbox.
Fig. 4 is the stereogram of the surrounding representing operating groove.
Fig. 5 is the vertical view of the surrounding of the first gear lever and the second gear lever.
Fig. 6 is the exploded perspective view of the surrounding of the first gear lever.
Fig. 7 is the exploded perspective view of the surrounding of the second gear lever.
Fig. 8 is the line chart of driving transmission agent.
Fig. 9 is the line chart of transmission system of planting.
Figure 10 is the cutaway view of the surrounding of the first gear and the second gear.
Figure 11 is the cutaway view of the surrounding travelling output shaft.
Symbol description
16 seedling-planting devices (apparatus for work)
25 fuselage rings
26 first variable speed operation rods (variable speed operation rod)
27 second variable speed operation rods (variable speed operation rod)
28 first gear levers (gear lever)
29 second gear levers (gear lever)
30 first support units (support unit)
50 second support units (support unit)
E-engine
M gearbox
S1 first gear (gear)
S2 second gear (gear)
X1 about first axle center (upper and lower axle center)
X2 about second axle center (upper and lower axle center)
Embodiment
(schematic configuration of riding formula rice transplanter)
Below, with reference to the accompanying drawings embodiments of the present invention are described.Shown in Fig. 1, Fig. 2 is the riding formula rice transplanter of an example as " rice transplanter or seed-sowing machine " of the present invention.This riding formula rice transplanter has: travel fuselage 13, and this traveling fuselage 13 is automatic running by the steering operation of pair of right and left and the driving trailing wheel 12 freely that drives front-wheel 11 freely and pair of right and left; Be mounted in the engine E travelled on fuselage 13; Lifting freely be bearing in the linkage 14 at the rear portion travelling fuselage 13; Linkage 14 carries out being elevated the hydraulic cylinder 15 driven; And by linkage 14 lifting freely by the seedling-planting device 16 (example of " apparatus for work ") of the eight hedge planting formulas that support.Riding formula rice transplanting mechanism becomes, and is carried out the operation of planting of the rice shoot of the paddy rice etc. as " over the ground operation " by seedling-planting device 16 pairs of farmlands.
As shown in Figure 1, Figure 2, shown in Fig. 9, seedling-planting device 16 has: the rice shoot mounting table 17 of mounting rice shoot, by the seedling planting that is placed in rice shoot mounting table 17 to the planting mechanism 18 on face, field and ground connection float 19 etc.Planting mechanism 18 has 4 transmission cases 20.The rotational shell 21 of pair of right and left is supported with freely in the rear portion rotary actuation of each transmission case 20.Each rotational shell 21 have a pair transplant arm 22.Each transplant arm 22 is provided with pawl 23 of planting.
In planting mechanism 18, when rotational shell 21 is driven in rotation, rotational shell 21 and transplant arm 22 rotate around the axis of rotation of rotational shell 21, and by the driving of the not shown arm driving mechanism being built in rotational shell 21, transplant arm 22 are rotated relative to rotational shell 21.Thus, alternately cut off the rice shoot bundle of the amount of a strain by the pawl 23 of planting of the transplant arm 22 of plant pawl 23 and the opposing party of the transplant arm 22 of a side from the bottom of rice shoot of the matt-like being placed in seedling carrying base 17, and take out conveyance to planting soil face and planting.
As shown in Figure 1 and Figure 2, the fuselage ring 25 travelling fuselage 13 is fixed with gearbox M.There is the first gear S1 (example of " gear ") and the second gear S2 (example of " gear ") in gearbox M, the increase and decrease of the interval of planting (spacing in the rows) of the rice shoot of seedling-planting device 16 by carrying out multi-change speed to the planting speed of seedling-planting device 16 relative to the ratio of travel speed, thus can be switched to multiple distance (with reference to Fig. 9, Figure 10 by this first gear S1 and the second gear S2.Detailed content is told about later).First gear S1 can carry out 2 grades of variable speed operations, and the second gear S2 can carry out 4 grades of variable speed operations.The variable speed operation of the first gear S1 is undertaken by the first variable speed operation rod 26 (example of " variable speed operation rod ").The variable speed operation of the second gear S2 is undertaken by the second variable speed operation rod 27 (example of " variable speed operation rod ").As shown in Fig. 3, Fig. 5, Fig. 6, the first variable speed operation rod 26 and the first gear lever 28 (example of " gear lever ") are connected.As shown in Fig. 3, Fig. 5, Fig. 7, the second variable speed operation rod 27 and the second gear lever 29 (example of " gear lever ") are connected.
(syndeton of the first variable speed operation rod and the first gear lever)
As shown in Fig. 3, Fig. 5, Fig. 6, Fig. 9, Figure 10, the first gear S1 of the end side of the first variable speed operation rod 26 and the inside of gearbox M contacts, and its another side is given prominence to outward from the horizontal right flank of gearbox M.First variable speed operation rod 26 by transversely sliding at fuselage, thus carries out the variable speed operation of the first gear S1.The first topped hole 26a of above-below direction is formed in the top ends of the first variable speed operation rod 26.
As shown in Fig. 3, Fig. 6, at the horizontal right flank of gearbox M, be fixed with the first support unit 30 (example of " support unit ") of the tabular of U-shaped, fuselage is laterally made protuberance in inner side in gearbox M side by this first support unit 30.First support unit 30 has: installation portion 31, upper edge 32, lower edge 33.Installation portion 31 is fixedly mounted on the horizontal right flank of gearbox M by 2 bolts 35 of fuselage horizontal direction arranged side by side up and down.Upper edge 32 bends from the upper end approximate right angle of installation portion 31, and its plate face is stretched out along fuselage fore-and-aft direction to fuselage lateral outer side.Lower edge 33 bends from the bottom approximate right angle of installation portion 31, and its plate face is stretched out along fuselage fore-and-aft direction to fuselage lateral outer side.On top portion 32 is formed the circle of above-below direction first on hole portion 32a.Lower edge 33 is formed the first lower opening portion 33a of the circle of above-below direction.
As shown in Fig. 3, Fig. 5, Fig. 6, the first variable speed operation rod 26 engages with the first arm member 37.First arm member 37 is formed as the tabular of U-shaped fuselage front side being made protuberance.First arm member 37 has: the upper fixed part 38 of tabular, and on this, the plate face of fixed part 38 is along fuselage fore-and-aft direction; And the lower fixed part 39 of the tabular to configure substantially in parallel with upper fixed part 38.Upper fixed part 38 is formed vertically opening first on elongated hole 38a, this on first the length direction of elongated hole 38a be the radial direction of the circle centered by about the first axle center X1 (example in " upper and lower axle center ").Lower fixed part 39 is formed first time elongated hole 39a of vertically opening, and the length direction of this first time elongated hole 39a is the radial direction of the circle centered by about the first axle center X1.On first, elongated hole 38a is overlapping when overlooking with first time elongated hole 39a.The top ends of the first variable speed operation rod 26 is clamped with lower fixed part 39 by upper fixed part 38 in the vertical direction.First fulcrum post 40 is inserted through elongated hole 38a on first, the first topped hole 26a and first time elongated hole 39a in the vertical direction to stop the state come off.In the fuselage front side part of upper fixed part 38, be formed towards the upper inserting hole 38b of the circle of above-below direction.In the fuselage front side part of lower fixed part 39, be formed towards the lower inserting hole 39b of the circle of above-below direction.
As shown in Figure 6, hole portion 32a, the first lower opening portion 33a, upper inserting hole 38b, lower inserting hole 39b are positioned on about the first axle center X1 on first.
As shown in Fig. 3, Fig. 6, the rod member of circular cross-section bends and is formed by the first gear lever 28, and is bearing on gearbox M by the first support unit 30 and the first arm member 37.First gear lever 28 has: rotation section 41, wrist 42, operating portion 43.Rotation section 41 extends along the vertical direction, and inserts hole portion 32a on first, the first lower opening portion 33a, upper inserting hole 38b, lower inserting hole 39b.Rotation section 41, near upper inserting hole 38b and lower inserting hole 39b, is fixed on the first arm member 37 by welding etc. and is integrally formed.The upper end that wrist 42 is rotation section 41 is stretched out to the curving leaving gearbox M to the approximate horizontal shape of fuselage lateral outer side.Operating portion 43 from the fuselage lateral outer side endwise skew of wrist 42, and stretches out along above-below direction.Thus, the first gear lever 28 can be bearing on gearbox M around about the first axle center X1 swinging operation.
By such structure, when making the first gear lever 28 swing around about the first axle center X1, first arm member 37 and the first gear lever 28 swing integratedly, first variable speed operation rod 26 transversely to slide movement at fuselage in linkage with the first arm member 37, thus the first variable speed operation rod 26 is retreated relative to gearbox M and moved.Thus, the first gear S1 can switch between 4 grades of shift position.
As shown in Figure 6, in order to make the first gear lever 28 and the first variable speed operation rod 26 be connected, first the first support unit 30 to be fixed on the outer surface of gearbox M by bolt 35.Then, by the first fulcrum post 40 is inserted through the first arm member 37 first on the first topped hole 26a of elongated hole 38a and first time elongated hole 39a and the first variable speed operation rod 26, thus the first arm member 37 to be engaged with the first variable speed operation rod 26.Then, the rotation section 41 of the first gear lever 28 is inserted through the upper edge 32 of the first support unit 30 first on after hole portion 32a, be inserted through the upper inserting hole 38b of a pair up and down of the first arm member 37 and lower inserting hole 39b, and be inserted through the first lower opening portion 33a of the lower edge 33 of the first support unit 30.Then, the first gear lever 28 and the first arm member 37 are welded and fixed.Thus, the first gear lever 28 being connected relative to the first variable speed operation rod 26 is completed.Like this, owing to being the structure be bearing in by the first gear lever 28 on gearbox M, so under the state not yet gearbox M being fixed on fuselage ring 25, the operation that be connected of the first gear lever 28 relative to the first variable speed operation rod 26 can be carried out.
As shown in Figure 3, roughly all parts of the first support unit 30, first arm member 37, first gear lever 28 are positioned at the below of taking pedal 45, and this takes the face that foot pedal 45 is configured to approximate horizontal shape.In order to carry out the operation of the first gear lever 28, taking on foot pedal 45, as shown in Figure 3, Figure 4, being formed with the operating groove 45a that the operating portion 43 of the first gear lever 28 is exposed.Operating groove 45a is the swaying direction of the operating portion 43 along the first gear lever 28, along with the circular shape being positioned at front from the horizontal interior side direction fuselage lateral outer side of fuselage.
As shown in Figure 2, Figure 4 shows, the upper surface taking foot pedal 45 is equipped with the car mat 46 with flexual sheet, under normal circumstances, the operating portion 43 of car mat 46 overlapping operation groove 45a and the first gear lever 28.By forming joint-cutting on car mat 46, thus there is the cap 46a near the upside being positioned at operating groove 45a.Can as required, by opening cap 46a, thus the operating portion 43 of operating groove 45a and the first gear lever 28 be exposed.
(display label)
As shown in Figure 4, taking the circular shape along operating groove 45a on foot pedal 45, near operating groove 45a, posting display label 47.By the following information of bar ground display on display label 47: be divided into by the second gear S2 and expand spacing in the rows and reduce these two main conditions of spacing in the rows, the distance at the interval of planting (spacing in the rows) of the plant that the progression ground corresponding to the first gear S1 presents with the state of 4 grades respectively.
(syndeton of the second variable speed operation rod and the second gear lever)
As shown in Fig. 3, Fig. 5, Fig. 7, Fig. 9, Figure 10, the second gear S2 of the end side of the second variable speed operation rod 27 and the inside of gearbox M contacts, and its another side is given prominence to outward from the horizontal right flank of gearbox M.Second variable speed operation rod 27 by transversely sliding at fuselage, thus carries out the variable speed operation of the second gear S2.The second topped hole 27a of above-below direction is formed in the top ends of the second variable speed operation rod 27.In addition, with gearbox M one and second support unit 50 outstanding to lateral outer side (" support unit " one routine) perforate has the through hole 50a of the circle of above-below direction, this second support unit 50 is positioned at the front of the second variable speed operation rod 27 of gearbox M.
As shown in Fig. 3, Fig. 7, the second gear lever 29 has bar portion 51 and the second arm member 52.Bar portion 51 is formed as the bar-shaped of fuselage horizontal direction.Second arm member 52 is formed as being the tabular of U-shaped when fuselage front side being made the side-looking of protuberance.The protuberance of the second arm member 52 is weldingly fixed on the rearward end in bar portion 51 and is integrally formed.Second arm member 52 has upper surface part 53 and lower surface portion 54.In upper surface part 53, the position perforate of the horizontal inner side of fuselage of the midway part of fuselage fore-and-aft direction has hole portion 53a on second of the circle of above-below direction.In lower surface portion 54, the position perforate of the horizontal inner side of fuselage of the midway part of fuselage fore-and-aft direction has towards the second lower opening portion 54a of the circle of above-below direction.In addition, in upper surface part 53, the position perforate of the horizontal inner side of fuselage of the rear section of fuselage fore-and-aft direction have vertically opening second on elongated hole 53b, this on second the length direction of elongated hole 53b be the radial direction of the circle centered by the second about axle center X2 (" upper and lower axle center " routine).In lower surface portion 54, have second time elongated hole 54b of vertically opening in the position perforate of the horizontal inner side of the fuselage of the rear section of fuselage fore-and-aft direction, the length direction of this second time elongated hole 54b is the radial direction of the circle centered by about the second axle center X2.Between upper surface part 53 and lower surface portion 54, be clamped with the second variable speed operation rod 27 along the vertical direction, and be clamped with second support unit 50 of transmission case M.
As shown in Figure 7, hole portion 53a, through hole 50a, the second lower opening portion 54a are positioned on about the second axle center X2 on second.The second fulcrum post 55 towards above-below direction is inserted through elongated hole 53a on second, through hole 50a and the second lower opening portion 54a to stop the state come off.The 3rd fulcrum post 56 towards above-below direction is inserted through elongated hole 53a on second, the second topped hole 27a and second time elongated hole 54b to stop the state come off.So, the second gear lever 29 swingingly can be bearing on gearbox M around about the second axle center X2.
By such structure, when making the second gear lever 29 swing around about the second axle center X2, because the second arm member 52, second variable speed operation rod 27 of the second gear lever 29 transversely to slide movement at fuselage, thus the second variable speed operation rod 27 to be retreated motion relative to gearbox M.Thus, the second gear S2 can switch in the shift position of 2 grades.
As shown in Figure 7, be connected to make the second gear lever 29 and the second variable speed operation rod 27, second arm member 52 of the second gear lever 29 is sticked in the second variable speed operation rod 27 by the second fulcrum post 55, and the second support unit 50 being sticked in gearbox M by the 3rd fulcrum post 56 can complete.Like this, owing to being the structure be bearing in by the second gear lever 29 on gearbox M, so under the state not yet gearbox M being fixed on fuselage ring 25, the operation that be connected of the second gear lever 29 relative to the second variable speed operation rod 27 can be carried out.
In detail the drive mechanism of the riding formula rice transplanter comprising above-mentioned first gear S1 and the second gear S2 is described.First, the drive mechanism of driving system is described.
(drive mechanism of driving system)
As shown in Figure 8, there is in the left and right both lateral sides of gearbox M the front truck axle box 60F of pair of right and left.Above-mentioned front-wheel 11 is bearing on front truck axle box 60F freely around the axis rotation turning to along above-below direction.
Hydrostatic stepless speed change device 61, to be positioned at the state of the horizontal left side of the upper side of gearbox M, is connected with gearbox M.Hydrostatic stepless speed change device 61 has neutral stop position, and to march forward side and retreat side speed change freely from neutral stop position with being configured to electrodeless formula.Hydrostatic stepless speed change device 61 has the transmission input shaft 61a and speed change output shaft 61b that externally stretch out.The power of engine E is passed to the transmission input shaft 61a of hydrostatic stepless speed change device 61 by conveyer belt transmission mechanism 61c.The part being positioned at the opposition side of conveyer belt transmission mechanism 61c and the speed change output shaft 61b of transmission input shaft 61a are configured to the inside entering gearbox M.
Hydraulic pump 62 is connected with in the horizontal right side of gearbox M.The pump power shaft 62a of hydraulic pump 62 is configured to the inside entering transmission case M.Pump power shaft 62a and speed change output shaft 61b configures with wick-like, and by extend power shaft 61d and with speed change output shaft 61b integrally rotatably spline joint.Thus, the power of engine E is passed to hydraulic pump 62 from the transmission input shaft 61a of hydrostatic stepless speed change device 61, thus drives hydraulic pump 62.
Be connected with the first power transmission shaft 63 at speed change output shaft 61b upper spline, this first power transmission shaft 63 is rotatably bearing in the inside of gearbox M.First power transmission shaft 63 has and rotates integrally with the first power transmission shaft 63, and relative to the first power shift gear 64 that the first power transmission shaft 63 moves freely, this first power shift gear 64 by spline structure fitted on the first power transmission shaft 63.First speed change gear 64 has the first high gear 64a and the diameter first low-speed gear 64b larger than the first high gear 64a integratedly.
Have the second driving shaft 65 parallel with the first power transmission shaft 63 in the transmission downstream of the first power transmission shaft 63, this second driving shaft 65 is bearing in gearbox M.Second driving shaft 65 has large diameter gear 65a and the diameter central diameter gear 65b less than large diameter gear 65a, and these large diameter gears 65a and central diameter gear 65b is fixed on second driving shaft 65.By carrying out gear shift operation to the first power shift gear 64, thus one is selected in the first high gear 64a engages with large diameter gear 65a and the first low-speed gear 64b engages with central diameter gear 65b, power can be passed to second driving shaft 65 from the first power transmission shaft 63.And, second driving shaft 65 is fixed with the small-diameter gear 65c that diameter is less than central diameter gear 65b.
There is in the transmission downstream of second driving shaft 65 three power transmission shaft 67, three power transmission shaft 67 parallel with second driving shaft 65 be bearing in gearbox M.3rd power transmission shaft 67 has and rotates integrally with the 3rd power transmission shaft 67, and relative to the second power shift gear 68 that the 3rd power transmission shaft 67 moves freely, this second power shift gear 68 by spline structure fitted on the 3rd power transmission shaft 67.Second power shift gear 68 has the second high gear 68a and the diameter second low-speed gear 68b larger than the second high gear 68a integratedly.By carrying out gear shift operation to the second power shift gear 68, thus one is selected in central diameter gear 65b engages with the second high gear 68a and small-diameter gear 65c engages with the second low-speed gear 68b, power can be passed to the 3rd power transmission shaft 67 from second driving shaft 65.And, the 3rd power transmission shaft 67 is fixed with travelling gear 69.In addition, the 3rd power transmission shaft 67 is fixed with the first bevel gear 70.
In the transmission downstream of the 3rd power transmission shaft 67, with the 3rd power transmission shaft 67 dock abreast be configured with a pair on front side of power transmission shaft 71.On front side of a pair, between power transmission shaft 71, there is box of tricks 72.The differential box 72a of box of tricks 72 is rotatably bearing in the inside of gearbox M.The travelling gear 69 be fixed on the 3rd power transmission shaft 67 engages with the gear 72b that is transmitted be fixed on differential box 72a.
The front side power transmission shaft 71 of the side on front side of a pair in power transmission shaft 71 is rotated integrally by bond structure and moves freely and be extraterrestrially embedded with differential lock body 72c.Differential lock body 72c be configured to can relative to differential box 72a engagement release can differential state (differential lock disarm state), can not switching between differential state (differential locking state) of engaging with relative to differential box 72a.
As shown in Fig. 8, Figure 11, have at the rear portion of gearbox M from the rearwardly projecting traveling output shaft 74 of the rearward end of gearbox M.Traveling output shaft 74 has the second bevel gear 75.Second bevel gear 75 engages with the first bevel gear 70 be fixed on the 3rd power transmission shaft 67, thus from the 3rd power transmission shaft 67 to traveling output shaft 74 transferring power.
Have the rear car axle box 60R supported the trailing wheel 12 of above-mentioned pair of right and left, rear power transmission shaft 77 is connected with traveling output shaft 74 and rear side power transmission shaft 76 across rear side power transmission shaft 76 ground travelling output shaft 74 and rear car axle box 60R.The power being passed to rear side power transmission shaft 73 is passed to the trailing wheel 12 of left and right respectively by side clutch 76.
Thus, the power of engine E, by the speed change output shaft 61b of hydrostatic stepless speed change device 61, the first power transmission shaft 63, second driving shaft 65, the 3rd power transmission shaft 67, box of tricks 72, front side power transmission shaft 71 and be passed to the front-wheel 11 of pair of right and left, by the differential box 72 of box of tricks 72, travels output shaft 74, rear side power transmission shaft 76 and be passed to the trailing wheel 12 of pair of right and left.
(sleeve)
Here, as shown in figure 11, the traveling output shaft 74 of the rearward end of gearbox M is configured with oil seal 78.And output shaft 74 is upper outside is embedded with the sleeve 79 with mar proof in traveling.The outer peripheral face that sleeve 79 is configured to sleeve 79 contacts with the inner peripheral surface of oil seal 78.By configuring such sleeve 79, can prevent from travelling the rotation of output shaft 74 to the wearing and tearing of oil seal 78, and can effectively prevent oil from revealing from the rearward end of gearbox M, native or mud etc. enters in gearbox M from the rearward end of gearbox M.
Next, the drive mechanism of the system of planting is described.
(drive mechanism of system of planting)
As shown in Figure 9, Figure 10, there is four power transmission shaft 80, four power transmission shaft 80 parallel with second driving shaft 65 to be bearing in gearbox M in the transmission downstream of second driving shaft 65.Second driving shaft 65 is fixed with operation output gear 81.The power of second driving shaft 65 is passed to the 4th power transmission shaft 80 from operation output gear 81 by torque limiter T.
4th power transmission shaft 80 has and rotates integrally with the 4th power transmission shaft 80, and relative to the use power shift gear 84 of planting that the 4th power transmission shaft 80 moves freely, this is planted and uses power shift gear 84 by spline structure fitted on the 4th power transmission shaft 80.Plant to plant than first with little first the planting and use high gear 84b of gear 84a with low-speed gear 84a and diameter with change-speed gearing 84 having integratedly first planting.
First power transmission shaft 63 has: the first trip cogwheel 85a, the second trip cogwheel 85b, the 3rd trip cogwheel 85c, the 4th trip cogwheel 85d and the 5th trip cogwheel 85e, and these the first trip cogwheels 85a, the second trip cogwheel 85b, the 3rd trip cogwheel 85c, the 4th trip cogwheel 85d and the 5th trip cogwheel 85e are rotatably bearing on the first power transmission shaft 63 relative to the first power transmission shaft 63.First trip cogwheel 85a, the second trip cogwheel 85b, the 3rd swim cogwheel 85c, the 4th trip cogwheel 85d and the 5th trip cogwheel 85e is integrally rotatably fastened to each other.The diameter of gear becomes large with the order of the first trip cogwheel 85a, the second trip cogwheel 85b, the 3rd trip cogwheel 85c, the 4th trip cogwheel 85d and the 5th trip cogwheel 85e.
Planting with power shift gear 84 by carrying out slip move operation to the second variable speed operation rod 27, can plant first and swimming cogwheel 85a with low-speed gear 84a and first and to engage and the first use high gear 84b and the 5th that plants swims during cogwheel 85e engages and selects one.Thus, be configured to carry out 2 grades of speed changes to from planting with the power that power shift gear 84 transmits to transmission downstream.So, by the second gear S2 be configured in gearbox M by formations such as power shift gear 84, second variable speed operation rod 27, first trip cogwheel 85a, the 5th trip cogwheel 85e that plants.Namely, second gear S2 is by carrying out 2 grades of (example of " multistage ") speed changes to the power from engine E, thus the change of ground, 2 grades, the interval (spacing in the rows) of the operation of planting seedlings as " over the ground operation " that the seedling-planting device 16 as " apparatus for work " is carried out.
In the transmission downstream of the 4th power transmission shaft 80 and the first power transmission shaft 63, there is five power transmission shaft 86, five power transmission shaft 86 parallel with the first power transmission shaft 63 and be bearing in gearbox M.5th power transmission shaft 86 has: first transmits gear 87a, the second transmission gear 87b, the 3rd transmission gear 87c and the 4th transmit gear 87d, and these the first transmission gears 87a, second transmits gear 87b, the 3rd transmission gear 87c and the 4th transmission gear 87d relatively rotates and is bearing in freely on the 5th power transmission shaft 86.The diameter of gear transmits with first the order that gear 87a, second transmits gear 87b, the 3rd transmission gear 87c and the 4th transmits gear 87d and diminishes.First trip cogwheel 85a always transmits gear 87a with first and engages, second trip cogwheel 85b always transmits gear 87b with second and engages, 3rd trip cogwheel 85c always transmits gear 87c with the 3rd and engages, and the 4th trip cogwheel 85d always transmits gear 87d with the 4th and engages.And, the 5th power transmission shaft 86 is fixed with third hand tap gear 88.
To the first variable speed operation rod 26 at the center of insertion the 5th power transmission shaft 86 to axis direction slip move operation, thus push displacement by the drive ball 87e that the large footpath cam part 26b that the end side of the first variable speed operation rod 26 has makes engaging be supported on the 5th power transmission shaft 86 to radial outside.Be sticked in the first transmission gear 87a, second by making drive ball 87e to transmit gear 87b, the 3rd and transmit gear 87c, the 4th and transmit the centre bore of any one in gear 87d, only select one group of the normal engagement centering of 4 groups to carry out engaged transmission, thus 4 grades of speed changes can be carried out to the power of the 5th power transmission shaft 86 being passed to slave end.So, transmit gear 87a, the second transmission gear 87b, the 3rd transmission gear 87c, the 4th transmission gear 87d, the first variable speed operation rod 26, drive ball 87e etc. by first and form the first gear S1 be configured in gearbox M.Namely, first gear S1 is by carrying out 4 grades of (example of " multistage ") speed changes to the power from engine E, thus the ground change of interval (spacing in the rows) 4 stage of the operation of planting seedlings as " over the ground operation " that the seedling-planting device 16 as " apparatus for work " is carried out.
So, the power of system of planting, the 4 grades of speed changes produced by the operation of the first variable speed operation rod 26, the combination of 2 grades of speed changes produced with the operation of the second variable speed operation rod 27, thus total 8 grades of speed changes can be carried out.
Have cylindrical shell 90 in the rear portion side of gearbox M, this cylindrical shell 90 is rotatably bearing on gearbox M relative to gearbox M.Cylindrical shell 90 has the 4th bevel gear 91.
4th bevel gear 91 engages with the third hand tap gear 88 being fixed on the 5th power transmission shaft 86.
Have at the rear portion of gearbox M output shaft 92 of planting, this output shaft 92 of planting is given prominence to backward from the rearward end of gearbox M, and is concentrically positioned at the inner side of cylindrical shell 90 with cylindrical shell 90.To rotate integrally with output shaft 92 of planting planting output shaft 92 has, and relative to the clutch 93 of planting that output shaft 92 of planting moves freely, at clutch 93 of planting by spline structure fitted in planting on output shaft 92.Clutch 93 of planting can switch with between the engaging disarm state not being sticked in cylindrical shell 90 in the fastening state being sticked in cylindrical shell 90.When the clutch 93 that makes to plant is for fastening state, the power of the 5th power transmission shaft 86 is by third hand tap gear 88, the 4th bevel gear 91, cylindrical shell 90, the clutch 93 and be passed to output shaft 92 of planting of planting.On the other hand, when the clutch 93 that makes to plant is for engaging disarm state, the transmission of power from the 5th power transmission shaft 86 to output shaft 92 of planting can be cut off.Clutch 93 of planting is exerted a force by the side becoming fastening state, by making operating axis 94 retreat, thus carries out fastening state and the switching engaging disarm state.
(axle bush)
Here, as shown in Figure 10, operating axis 94 is upper outside is embedded with axle bush 95.The suitable location of operating axis 94 relative to gearbox M is carried out by axle bush 95.In addition, can prevent the outer peripheral face of operating axis 94 and gearbox M from directly slidingly contacting, so the durability of operating axis 94 can be improved by axle bush 95.
As shown in Figure 9, the power of output shaft 92 of planting is passed to the power shaft 98 of service tank 97 by rotating drive shaft 96.By being input to the power of power shaft 98, the reciprocating motion of seedling carrying base 17 is carried out in the action of planting seedlings carried out with planting mechanism 18 and planting mechanism 18 in linkage.Thus, corresponded to the travel speed that travels fuselage 13 by the first gear S1 and the second gear S2 to have carried out the planting speed of speed change, planting to the seedling in face, field has been carried out.Thereby, it is possible to pass through the operation of the first gear S1 and the second gear S2, carry out rice transplanting with desired interval of planting (spacing in the rows).
(other embodiments)
(1) in the above-described embodiment, as an example of " gear lever ", illustrate around about the first axle center X1 rotatably by the first gear lever 28 of supporting and around about the second axle center X2 rotatably by the second gear lever 29 supported, but be not limited to this.Such as, also can be around horizontal axle center or around antero posterior axis heart by the first gear lever, the second gear lever that support.
(2) in the above-described embodiment, as an example of " variable speed operation rod ", illustrate from the first outstanding laterally variable speed operation rod 26 and the second variable speed operation rod 27 of the transverse side of gearbox M, but be not limited to this.Such as, also can be the first variable speed operation rod outstanding laterally from the front surface of gearbox M, rear surface and the second variable speed operation rod.
(3) in the above-described embodiment, represent as an example using the first arm member 37 fuselage front side being made the U-shaped of protuberance, but be not limited to this.Such as, also the first arm member can be formed as the U-shaped other sides such as fuselage rear side, fuselage horizontal inner side, fuselage lateral outer side being made protuberance.
(4) in the above-described embodiment, the example using riding formula rice transplanter as " rice transplanter or seed-sowing machine " represents, but is not limited to this.Such as, also can be walk-behind type paddy-field work machine, riding formula seed-sowing machine, legged seed-sowing machine etc. other rice transplanter or seed-sowing machine.When seed-sowing machine, by seed, the seeding apparatus be directly seeded on farmland is equivalent to " apparatus for work ".

Claims (9)

1. rice transplanter or a seed-sowing machine, is characterized in that, has:
Engine;
Fuselage ring;
Be fixed on the gearbox on described fuselage ring;
Carry out the apparatus for work of operation over the ground;
Gear, this gear is configured in described gearbox, and makes the interval variation of the operation over the ground of described apparatus for work by carrying out multi-change speed to the power from described engine;
Variable speed operation rod, this variable speed operation rod is given prominence to laterally from described gearbox and is carried out variable speed operation to described gear; And
Gear lever, this gear lever and described variable speed operation rod are connected,
Described gear lever support is on described gearbox.
2. rice transplanter as claimed in claim 1 or seed-sowing machine, is characterized in that,
There is the support unit be fixed on described gearbox,
Described gear lever is supported around upper and lower axis rotation freely by described support unit.
3. rice transplanter as claimed in claim 1 or 2 or seed-sowing machine, is characterized in that,
Described variable speed operation rod is given prominence to laterally from the transverse side of described gearbox,
Moved by the slip of the fuselage transverse direction of described variable speed operation rod, variable speed operation is carried out to described gear.
4. the rice transplanter as described in any one in claims 1 to 3 or seed-sowing machine, is characterized in that,
The increase and decrease of the interval of the operation over the ground of described apparatus for work by carrying out multi-change speed to the operating speed of described apparatus for work relative to the ratio of the travel speed of described apparatus for work, thus is switched to multiple interval by described gear.
5. the rice transplanter as described in any one in Claims 1-4 or seed-sowing machine, is characterized in that,
Have as described gear lever: the first gear lever and the second gear lever.
6. rice transplanter as claimed in claim 5 or seed-sowing machine, is characterized in that,
The operating portion of described first gear lever exposes by taking the operating groove of pedal.
7. rice transplanter or a seed-sowing machine, is characterized in that, has:
Engine;
Fuselage ring;
Be fixed on the gearbox on described fuselage ring;
Carry out the apparatus for work of operation over the ground;
First gear and the second gear, this first gear and the second gear are configured in described gearbox, and make the interval variation of the operation over the ground of described apparatus for work by carrying out multi-change speed to the power from described engine;
First variable speed operation rod and the second variable speed operation rod, this the first variable speed operation rod is given prominence to laterally from described gearbox and is carried out variable speed operation to described first gear, and this second variable speed operation rod is given prominence to laterally from described gearbox and carried out variable speed operation to described second gear; And
First gear lever and the second gear lever, this first gear lever and described first variable speed operation rod are connected, and this second gear lever and described second variable speed operation rod are connected,
Described first gear lever and described second gear lever support are on described gearbox.
8. rice transplanter as claimed in claim 7 or seed-sowing machine, is characterized in that having:
Be fixed on the first support unit on described gearbox;
Be fixed on the first arm member on described first gear lever,
Described first gear lever is supported by described first support unit freely around about the first axis rotation,
Described first variable speed operation rod is given prominence to laterally from the transverse side of described gearbox, and engages with described first arm member,
When by described first gear lever around about the first axis swing time, described first arm member swings, and described first variable speed operation rod transversely to slide movement at fuselage in linkage with described first arm member, thus carries out variable speed operation to described first gear.
9. rice transplanter as claimed in claim 7 or 8 or seed-sowing machine, is characterized in that,
Have the second support unit, this second support unit is integrally formed with described gearbox, and outstanding to lateral outer side,
Described second gear lever has: bar portion and the second arm member being fixed on this bar portion and being integrally formed,
Described second gear lever can be supported by described second support unit around about the second axis swing,
Described second variable speed operation rod is given prominence to laterally from the transverse side of described gearbox, and engages with described second arm member,
When by described second gear lever around about the second axis swing time, described second variable speed operation rod transversely to be slided movement at fuselage by described second arm member, thus carries out variable speed operation to described second gear.
CN201410448805.2A 2013-09-04 2014-09-04 Transplanting machine or direct seeding machine Pending CN104412763A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-182816 2013-09-04
JP2013182816A JP6210802B2 (en) 2013-09-04 2013-09-04 Paddy field machine

Publications (1)

Publication Number Publication Date
CN104412763A true CN104412763A (en) 2015-03-18

Family

ID=52697682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410448805.2A Pending CN104412763A (en) 2013-09-04 2014-09-04 Transplanting machine or direct seeding machine

Country Status (2)

Country Link
JP (1) JP6210802B2 (en)
CN (1) CN104412763A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109955921A (en) * 2017-12-26 2019-07-02 株式会社久保田 Field working rig
US10766570B2 (en) 2016-09-29 2020-09-08 Honda Motor Co., Ltd. Shifting operation detecting apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017029037A (en) * 2015-07-30 2017-02-09 株式会社クボタ Paddy-field work machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283709U (en) * 1988-12-15 1990-06-28
JP2001224211A (en) * 2000-02-10 2001-08-21 Kubota Corp Sulky rice transplanter
JP2005237281A (en) * 2004-02-26 2005-09-08 Kubota Corp Rice transplanter
JP2008289399A (en) * 2007-05-23 2008-12-04 Kubota Corp Rice transplanter
CN201430772Y (en) * 2009-05-14 2010-03-31 柳州五菱柳机动力有限公司 Inter plant distance switching device of gear box
CN201766837U (en) * 2010-08-12 2011-03-23 中国农业机械化科学研究院 Stepless row spacing adjusting device for rice transplanter
CN102960108A (en) * 2012-12-05 2013-03-13 黑龙江省水田机械化研究所 Eight-line foldable four-wheel driving rice transplanter and rice transplanting method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4325408B2 (en) * 2004-01-13 2009-09-02 井関農機株式会社 Seedling transplanter
JP2006149332A (en) * 2004-12-01 2006-06-15 Mitsubishi Agricult Mach Co Ltd Transplanter
JP2006230243A (en) * 2005-02-23 2006-09-07 Mitsubishi Agricult Mach Co Ltd Regulating body in transplanter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283709U (en) * 1988-12-15 1990-06-28
JP2001224211A (en) * 2000-02-10 2001-08-21 Kubota Corp Sulky rice transplanter
JP2005237281A (en) * 2004-02-26 2005-09-08 Kubota Corp Rice transplanter
JP2008289399A (en) * 2007-05-23 2008-12-04 Kubota Corp Rice transplanter
CN201430772Y (en) * 2009-05-14 2010-03-31 柳州五菱柳机动力有限公司 Inter plant distance switching device of gear box
CN201766837U (en) * 2010-08-12 2011-03-23 中国农业机械化科学研究院 Stepless row spacing adjusting device for rice transplanter
CN102960108A (en) * 2012-12-05 2013-03-13 黑龙江省水田机械化研究所 Eight-line foldable four-wheel driving rice transplanter and rice transplanting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10766570B2 (en) 2016-09-29 2020-09-08 Honda Motor Co., Ltd. Shifting operation detecting apparatus
CN109955921A (en) * 2017-12-26 2019-07-02 株式会社久保田 Field working rig

Also Published As

Publication number Publication date
JP6210802B2 (en) 2017-10-11
JP2015047146A (en) 2015-03-16

Similar Documents

Publication Publication Date Title
KR102156163B1 (en) Paddy field working machine
CN110520651B (en) Speed-changing transmission device of tractor and tractor
CN104412763A (en) Transplanting machine or direct seeding machine
JP2012244952A (en) Seedling transplanter
JP2018038371A (en) Transmission device for lowland implement
JP2008212121A (en) Riding type rice transplanter
TW201238468A (en) Seedling planting device
KR20220093058A (en) Transmission device of paddy field working machine
JP2013203359A (en) Rice field working machine
CN105309094B (en) Working machine
CN102498010B (en) Riding-type work machine
CN210537395U (en) Insert and plant clutch, insert and plant transmission and paddy field operation machine
KR102317489B1 (en) Saddle type rice transplanter
JP2016136901A (en) Rice planting machine or direct seeding machine
CN106385889A (en) Water field operation machine
JP6611507B2 (en) Paddy field machine
CN201064095Y (en) Walking type transplanter ellipse-circular gear back-inserting rotating seedling separating and transplanting mechanism
WO2013176235A1 (en) Rice transplanter
KR102670889B1 (en) Paddy field work machine
CN201004798Y (en) Elliptic gear rotating type seed separating and transplanting mechanism of the walking type seed transplanting machine
CN218031282U (en) Hiller and special multi-gear gearbox thereof
KR20240083128A (en) Paddy field work machine
JP4376154B2 (en) Transplanter
JP2014060979A (en) Transplanter
JP4022137B2 (en) Transplanter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150318

RJ01 Rejection of invention patent application after publication