CN105705000B - rice transplanter - Google Patents
rice transplanter Download PDFInfo
- Publication number
- CN105705000B CN105705000B CN201480060635.9A CN201480060635A CN105705000B CN 105705000 B CN105705000 B CN 105705000B CN 201480060635 A CN201480060635 A CN 201480060635A CN 105705000 B CN105705000 B CN 105705000B
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- China
- Prior art keywords
- transmission case
- bearing
- gear
- jut
- rotor
- 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.)
- Expired - Fee Related
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 32
- 235000009566 rice Nutrition 0.000 title claims abstract description 32
- 240000007594 Oryza sativa Species 0.000 title claims description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 238000002360 preparation method Methods 0.000 claims description 33
- 239000010813 municipal solid waste Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 28
- 241000209094 Oryza Species 0.000 abstract description 30
- 206010055001 Hypodontia Diseases 0.000 abstract description 3
- 206010002583 anodontia Diseases 0.000 abstract description 3
- 230000005213 hypodontia Effects 0.000 abstract description 3
- 201000006680 tooth agenesis Diseases 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 31
- 230000002093 peripheral effect Effects 0.000 description 13
- 101100194816 Caenorhabditis elegans rig-3 gene Proteins 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000004519 grease Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
-
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- General Details Of Gearings (AREA)
- Transplanting Machines (AREA)
Abstract
Rice transplanter provided by the invention, can mitigate the flexure of the jackshaft in rear axle box, thus reduce in pitch caused by idler gear and hypodontia, realize the durability for improving Poewr transmission mechanism.From engine via gearbox into the rice transplanter of rear axle box passing power, the idler gear of reducing gear is provided as in bridge case in the rear, and the bearing supported to the jackshaft being fitted together to for the idler gear and the support of bearing for keeping the bearing are set, and the support of bearing is fixed on the rear axle box using multiple bolts and multiple driving fit bolts.
Description
Technical field
The present invention relates to rice transplanter.
Background technology
Patent Document 1 discloses common rice transplanter.In addition, it is generally known the rice transplanter for possessing site preparation device.Example
Such as, possesses the transmission case that the power from engine is transferred to site preparation device, and the rotation fulcrum by being protruded from transmission case revolves
It is known to turn the site preparation device of the rotary body group of driving.
Patent document 1：Japanese Unexamined Patent Publication 2011-162135 publications
The content of the invention
The problem of the present invention is to prevent field trash to be attached to rotating fulcrum, so as to protect the seal of transmission case.
The rice transplanter of the present invention, it is characterised in that possess site preparation device, it receives the transmission of power from engine and driven
Dynamic, the site preparation device possesses：Transmission case, it is communicated to the power from the engine；Drive shaft, it is arranged to from described
Two sides of transmission case protrude towards the jut that side is provided projectingly via oil sealing towards side；Multiple site preparations rotate
Body, they are fixed on the drive shaft, and the drive shaft includes：Rotor input shaft, its from the jut of the transmission case to
Side protrudes；Rotor drive shaft, it inputs axis connection via universal joint and with the rotor, set the universal joint
Transmission case side end is expanding and covers the wide diameter portion of the outboard end of the jut of the transmission case.
Formed with the sliding part for crushing field trash between the wide diameter portion of the universal joint and the jut of the transmission case.
The oil sealing of field trash intrusion transmission case can be effectively prevented according to the present invention.
Brief description of the drawings
Fig. 1 is the side view of rice transplanter.
Fig. 2 is the top view of rice transplanter.
Fig. 3 is the schematic diagram for the transmission mechanism for representing rear axle box.
Fig. 4 is the stereogram for representing rear axle box.
Fig. 5 is the figure for representing the support of bearing.
Fig. 6 is the stereogram for representing to install using the support of bearing of driving fit bolt.
Fig. 7 is the sectional view for the fixture construction for representing the reducing gear in rear axle box.
Fig. 8 is the figure for representing site preparation device.
Fig. 9 is the amplification view for the driving section for representing site preparation device.
Figure 10 is the sectional view of transmission case.
Figure 11 is the amplification view for representing the effect by the wide diameter portion performance of universal joint.
Figure 12 is the figure of the other embodiment for the maze configuration for representing transmission case and universal joint.
Figure 13 is the figure for representing to be arranged at the other embodiment of the protection construction of the opening of transmission case.
Figure 14 is the amplification view of the bearing construction for the supporting arm for representing site preparation device.
Figure 15 is the amplification view for representing the effect by the guard block performance of side case.
Embodiment
Rice transplanter 1 is illustrated referring to the drawings.
Rice transplanter 1 possesses travel machine body 2, working rig 3 and lifting linking member mechanism 4.
Travel machine body 2 possesses：Vehicle body frame 11, engine 12, speed changer 13, propons 14, back axle 15, driver behavior portion
16th, front-wheel 17 and trailing wheel 18.
Vehicle body frame 11 is the main tectosome of rice transplanter 1.Vehicle body frame 11 is the skeleton to form rice transplanter 1, is used for
Carry engine 12 etc..
Engine 12 is the power source that power is produced by the burning of fuel.Engine 12 can be by operating personnel to becoming
Speed pedal 21 etc. is operated and changes operating condition.
Speed changer 13 is to carry out the advance of rice transplanter 1, the switching retreated, the power transmission of speed change.Speed changer 13 has
The standby stepless speed change device that working oil is used for power transmitting medium.Stepless speed change device can be by the rotary power inputted
Some or all oil pressure for being converted into working oil, and the oil pressure of working oil is exported as rotary power again.Speed changer
13 are accommodated in gearbox 22.
Propons 14 is the power transmission that the power of engine 12 is transferred to front-wheel 17.Via speed changer 13 to propons
The power of 14 input engines 12.In addition, steering apparatus is arranged side by side in propons 14, by operating personnel to steering wheel
23 are operated and can carry out handling maneuver to front-wheel 17.Propons 14 is accommodated in propons case 24.
Back axle 15 is the power transmission that the power of engine 12 is transferred to trailing wheel 18.Via speed changer 13 to back axle
The power of 15 input engines 12.Back axle 15 is accommodated in rear axle box 25.
In driver behavior portion 16, driver's seat 26 is configured to opposed with steering wheel 23, and operating personnel are being seated at driver's seat
Steering wheel 23 etc. is operated in the state of 26.In driver behavior portion 16 in addition to above-mentioned gear shift pedal 21, steering wheel 23, also match somebody with somebody
It is equipped with the various operating parts that operating to rice transplanter 1 etc. is operated.
Working rig 3 is configured to include seedling carrying base 31, plants mechanism 32 and rice transplanter hull 33.
Seedling carrying base 31 is to the rice shoot feedway for planting the supply rice shoot of mechanism 32.The seedling pad of seedling carrying base 31 is placed in by indulging
Suitably conveyed to conveying mechanism to planting mechanism 32.In addition, seedling carrying base 31 is positioned in a manner of it can slide is arranged at cultivation
On the guide rail of interpolation frame frame, by with being moved back and forth in left-right direction in a manner of planting the keeping strokes of mechanism 32.So, seedling carrying base 31
Rice shoot can be supplied to mechanism 32 is planted.
It is in the seedling growing device in field by seedling growing to plant mechanism 32.
Mechanism 32 is planted to possess：Spacing in the rows change device 41, plant central tank 42, plant bevel gear box 43, rotary box 44 with
And plant arm 45.
Power from spacing in the rows change device 41 is transferred to via central tank 42 is planted and plants bevel gear box 43.Then,
To the passing power of rotary box 44 for being arranged at the left and right for planting bevel gear box 43.Be arranged at rotary box 44 plants arm 45 and rotation
Case 44 rotates together with, and so as to obtain rice shoot from seedling carrying base 31, and is planted in field.
Rice transplanter hull 33 is the lifting of working rig 3 is adjusted the transplant depth adjusting means of the transplant depth of rice shoot.Separately
Outside, rice transplanter hull 33 and above-mentioned seedling carrying base 31, the supporting arrangement for planting mechanism 32.Rice transplanter hull 33 is configured to include
It is configured at the center hull 33a of the middle body of working rig 3 and is configured at the side hull 33b of center hull 33a both sides.If
The position sensor for being placed in center hull 33a is connected with the control device of travel machine body 2 and working rig 3 is lifted to appropriate height
Degree.In addition, center hull 33a and side hull the 33b lower surface contacted with field are formed as smooth, therefore being capable of smooth field
Ground.So, form rice transplanter hull 33 center hull 33a and side hull 33b can smooth field, and make working rig 3
Lift to adjust the transplant depth of rice shoot.
Lifting linking member mechanism 4 is configured to include upper connecting rod 51, lower link 52 and oil pressure actuator (not shown).
Upper connecting rod 51 and lower link 52 are the link devices for linking travel machine body 2 and working rig 3.In addition, upper connecting rod
51 and lower link 52 and make working rig 3 lift lowering or hoisting gear.Receiving the instruction of above-mentioned control device makes above-mentioned oil pressure
Actuator stretches, so as to change the posture of upper connecting rod 51 and lower link 52, the operation based on operating personnel, from position sensing
It the signal of device, can lift working rig 3.
As described above, rice transplanter 1 makes the row of rice transplanter 1 by the power drive front-wheel 17 and trailing wheel 18 of engine 12
Sail, and carry out planting operation by planting mechanism 32.
As shown in figure 3, from engine 12 via gearbox 22 to the passing power of rear axle box 25, so as to drive trailing wheel 18.
Rear axle box 25 of the input shaft 61 from gearbox 22 towards rear extends afterwards.Rear axle box 25 is configured to include：Casing 62,
It is shaped generally as tubular from one end of the rear input shaft 61 of extension along left and right both direction；Gear-box 63, it is formed respectively
In the left and right ends of casing 62.The lateral opening of gear-box 63, lid 63a is installed in the opening surface, so as to by rear axle box 25
Closing.
In casing 62, from rear input shaft 61 via bevel gear 64a, 64b to being respectively facing what left and right both direction was set
The passing power of side clutch shaft 65.Side clutch shaft 65 extends into gear-box 63.In side, the middle part of clutch shaft 65 is set
There is side clutch 66, the end of clutch shaft 65 is fixed with gear 67 in side.And in gear-box 63, nibbled via with gear 67
The idler gear 68 of conjunction is to the passing power of jackshaft 69.
Idler gear 68 is fixed with jackshaft 69, and in the periphery of the side of the fitting portion chimeric with idler gear 68
Face is formed with countershaft-gear 70.Countershaft-gear 70 engages with being fixed on the final gear 71 of axletree 72.Axletree 72 from
Extend in gear-box 63 towards body side.Trailing wheel 18 is fixed in one end (extension side) of axletree 72, and axletree 72 rotates, so as to drive
Dynamic trailing wheel 18.
As described above, from rear input shaft 61 to the passing power of side clutch shaft 65 in casing 62, in gear-box 63
From side clutch shaft 65 via gear 67, idler gear 68, countershaft-gear 70, final gear 71 and transmitted to axletree 72
Power.
Idler gear 68 and countershaft-gear 70 are provided with, so as to make the rotating speed of axletree 72 relative to side clutch
The rotation speed change of axle 65.The number of teeth of countershaft-gear 70 is set to diminish relative to the number of teeth of final gear 71 herein, so as to
The rotating speed of countershaft-gear 70 is enough set to increase relative to the rotating speed of axletree 72.That is, as reducing gear 73, it is provided with idler gear
68 and countershaft-gear 70.
As shown in figure 4, it is provided with to be supported in gear-box 63 to reducing gear 73：Support jackshaft 69
Bearing 81,82 and the support of bearing 91 for keeping bearing 81.
As shown in figure 5, the support of bearing 91 has the right direction for the plate for making to be formed as a generally rectangular shape when side view is observed
The shape of its central bend.The hole 92 of bearing support 81 is provided with the center of the support of bearing 91, it is appropriate around the hole 92
Ground is provided with the through hole 93 for being fixed on gear-box 63.In addition in the present embodiment, through hole 93 is provided with six.
Idler gear 68 is embedded in jackshaft 69.Bearing 81 is installed in the body medial extremity of jackshaft 69, on the outside of body
(wheel side) end installation bearing 82.Bearing 81,82 is individually fixed in the fixed support of bearing on the inside of the body of gear-box 63
91 and the integrally formed support of bearing on the outside of the body of gear-box 63 (not shown), so as to idler gear 68 and jackshaft
Gear 70 is supported to rotate in gear-box 63.
As shown in figure 4, the support of bearing 91 is fixed on gear-box using four bolts 95 and two driving fit bolts 94
63.Bolt hole 94a, 95a are set in gear-box 63 in a manner of with the configuration consistency of through hole 93.
Driving fit bolt 94 and bolt 95 are used respectively in bolt hole 94a, 95a, so as to be fixed with axle in gear-box 63
Hold support 91.
In fig. 4, it is illustrated that four bolts 95,95 ... are used in the corner of the substantially rectangular shape of the support of bearing 91, by two
Individual driving fit bolt 94,94 is used for the state of the position with space beyond corner in the shape of the support of bearing 91, but not
It is defined in this and uses radical and configuration.
As shown in Fig. 6 and Fig. 7, driving fit bolt 94 is the bolt for having positioning function.In the present embodiment, in spiral shell
Keyhole 94a uses driving fit bolt 94, so as to improve installation accuracy of the support of bearing 91 relative to gear-box 63, and carries
High fastening force.
The diameter of bolt of driving fit bolt 94 is more slightly larger than the aperture of through hole 93, can be fastened by lightly squeezing into, because
Installation accuracy when this support of bearing 91 positions is higher.
In addition, it is shear strength to bear horizontal masterpiece, therefore prevent the dislocation of the support of bearing 91 and rear axle box 25.In addition
It can prevent from deforming caused by external force.
In addition, compared with using the situation of alignment pin etc., driving fit bolt 94 is in addition to it can be positioned, additionally it is possible to
The support of bearing 91 is fixed on gear-box 63 as bolt, therefore the limited space of the support of bearing 91 can be effectively utilized.
As described above, by using driving fit bolt 94, it is possible to increase fastening force.Therefore reduce the support of bearing 91 and
The deviation of the overall load balancing of gear-box 63, so as to improve rigidity.By improving rigidity, the support of bearing 91 can be reduced
And the flexure of gear-box 63.Therefore scratching for the jackshaft 69 of the support of bearing 91 and gear-box 63 can be supported on by reducing
Song, to prevent in 70 issuable pitch of countershaft-gear 68 and countershaft-gear, hypodontia.
Preferably cast iron manufactures the support of bearing 91 from the point of view of productivity ratio, is requiring higher intensity and rigid implementation
In mode, cast using spheroidal graphite cast-iron.The support of bearing 91 so manufactured by using cast iron, so as to more effectively press down
The damage (pitch and hypodontia) of jackshaft 69 and idler gear 68 processed.
Particularly spheroidal graphite cast-iron be by graphite be shaped to it is spherical improve the cast iron of intensity, ductility, it stretches strong
Degree, extensibility etc. are excellent, have the intensity of the several times of plain cast iron.Therefore the mistake of the support of bearing 91 and rear axle box 25 can be reduced
Position, deformed so as to can also reduce caused by external force.
As described above, using driving fit bolt 94, the support of bearing 91 is fixed on gear-box 63, so that even bearing
The limited space of support 91, can also increase bolt radical, so as to improve fastening force.
Next, 8~Figure 15 of reference picture illustrates to rice transplanter possessed site preparation device.
As shown in FIG. 8 and 9, in site preparation device 100, a part for the power from rear input shaft 61 is via back axle
Case 25 and branch to site preparation power transmission shaft 99, and via with site preparation power transmission shaft 99 link link input shaft 101 and receive input
The transmission case 102 of the input of axle 101, it is transferred to the drive shaft 103 of the both sides extension towards transmission case 102.It is solid in drive shaft 103
Surely there are multiple site preparation rotors 104.Drive shaft 103 is formed as quadrangle form when section is observed, with the center of site preparation rotor 104
Quadrangle form opening engaging, so as to which site preparation rotor 104 is fixed as to revolve relative to drive shaft 103 is relative
Turn.
Drive shaft 103 is configured to include：The rotor input shaft protruded from two sides of transmission case 102 towards side
105th, the rotor drive shaft 106 that is connected to rotor input shaft 105 and extends to both sides and by rotor input shaft 105
The universal joint 107 being connected with rotor drive shaft 106.Rotor input shaft 105 and rotor drive shaft 106 and universal joint
107 connection is fitted together to by spline to realize respectively.
As shown in figure 9, inside transmission case 102, set in the end of the input shaft 101 linked with the linkage of site preparation power transmission shaft 99
Bevel gear 108 is equipped with, the bevel gear 109 engaged with bevel gear 108 is fixed on the middle part of rotor input shaft 105.Via this
A little bevel gears 108,109 are to the passing power of rotor input shaft 105.With the rotation of rotor input shaft 105, via universal joint
107 driving rotor drive shafts 106, so as to which site preparation rotor 104 rotates.
As shown in Fig. 9 and Figure 10, transmission case 102 is made up of main body 110 and lid 112.Main body 110, which has, supplies input shaft
The opening of 101 insertions, rotatably supports input shaft 101 in the inner circumferential of its opening, and has two sides for driving
The opening 111 of moving axis 103 (rotor input shaft 105) insertion.Lid 112 supports drive shaft 103 (rotor input shaft 105)
Rotate freely, and close the opening 111 of main body 110.
Main body 110 is formed as with the opening 111 for supplying the opening of the insertion of input shaft 101 and being penetrated for drive shaft 103
The box-like part of one, and be formed as with resettlement section 110a of collecting bevel gear 108,109 inside it and for input shaft
The cylinder-like part of the opening of 101 insertions, possess from the resettlement section 110a cylindrical portion 110b that (side of rear axle box 25) extends forwards.
Main body 110 is integrally formed in a manner of including resettlement section 110a and cylindrical portion 110b.
It is configured with order from open side in cylindrical portion 110b inner peripheral surface：By the oil sealing 120 of the interior sealing of transmission case 102,
And the bearing 121,121 for rotatably supporting input shaft 101.
Lid 112 closes the opening 111 for two sides for being arranged at main body 110, thus that the inner space of main body 110 is close
Envelope.O-ring 122 is provided between the lateral surface of lid 112 and the medial surface of main body 110.The central portion of lid 112 is provided with confession
The breakthrough part that rotor input shaft 105 penetrates, two sides along the breakthrough part from lid 112 are provided integrally with towards side
Prominent jut 113.It is configured with order from open side in the inner peripheral surface of jut 113：For by the interior sealing of transmission case 102
Oil sealing 123 and the bearing 124 that rotatably supports rotor input shaft 105, and be provided with fixed oil sealing 123
Back-up ring 125.
Transmission case 102 is made up of main body 110 and the lid 112 for closing the opening 111 of main body 110, so as to significantly
Obtain the rigidity of integrally formed main body 110.So by with jointless Construction integration come profiled body 110, so as to pass through
By bearing 121 be supported on main body 110 input shaft 101 produce torque fluctuation in the case of moment of torsion will not put on main body 110,
Therefore the deformation of main body 110 can be prevented.That is, can reduce as much as possible because being rotated and with the defeated of torque fluctuation
Enter to loosen or be arranged at caused by axle 101 the unbecoming caused loosening of the axle of drive path etc. to shadow caused by main body 110
Ring.Therefore it can prevent from damaging the seal of transmission case 102 because of the deformation of main body 110.
In addition, main body 110 formed integrally, the assembling of the main body 110 during without assembling transmission case 102, and
Due to determining the assembling position inside main body 110 in shaping, therefore can be improved by assembling the internal part of main body 110
The positioning precision of each part when assembling transmission case 102.
In addition, lid 112 is formed as to the construction of jointless high rigidity, and to for supporting (the rotor of drive shaft 103
Input shaft 105) bearing 124 kept, and the jut 113 prominent to the side of main body 110 is integrally provided to
Lid 112, even if in the case of so as to produce torque fluctuation in rotor input shaft 105, also can be by including with higher
Rigid lid 112 and the entirety of the transmission case for the main body 110 fixed for lid 112 102 are absorbed.Thus, it is possible to subtract as much as possible
Loosened caused by small rotor input shaft 105 on being influenceed caused by lid 112.Therefore the seal of lid 112 is able to ensure that, so as to
Enough prevent the breakage of bearing 124.
As shown in figure 9, outboard end of the end set of the side of transmission case 102 of universal joint 107 for covering jut 113,
And extend from the outboard end of jut 113 towards the inner side of transmission case 102.In other words, in the medial end of universal joint 107
Be provided with compared with the external diameter of rotor input shaft 105 by expanding wide diameter portion 107a, so wide diameter portion 107a peripheral part with
The mode for making the nose portion of jut 113 overlapping extends.
So, by configured in a manner of the jut 113 for being covered in transmission case 102 universal joint 107 wide diameter portion 107a it is spacious
Portion is opened, so as to which the path for reaching oil sealing 123 is formed as into labyrinth-like.
In addition, it is filled with lubricating oil in transmission case 102.Lubricating oil is thereby confirmed that from the situation of the internal leakage of transmission case 102,
It is damaged so as to confirm in the lip of the oil sealing 120,123 of transmission case 102.By early detection and handle oil sealing 120,
123 breakage, it can prevent from being configured at the breakage than its bearing 121 in the inner part, 124, bevel gear 108,109 etc..
As shown in Figure 10, transmission case 102 main body 110 upper surface formed with oilhole 115, and be provided with for closing
The pipe joint 116 of oilhole 115.And it is filled with lubricating oil in transmission case 102.From there through confirming lubricating oil from transmission case
The situation of 102 internal leakages, it is damaged so as to confirm in the lip of the oil sealing 120,123 of transmission case 102.By in early detection
And the breakage of oil sealing 120,123 is handled, it can prevent from being configured at than its bearing 121 in the inner part, 124, bevel gear 108,109 etc.
Breakage.
In addition, main body 110 rear surface lower portions be provided with for take out inside lubricating oil drainage tube (not shown),
So as to easily discharge and change the lubricating oil of inside.
In addition, lubricating oil can also be replaced in transmission case 102 and fills lubricating grease.
As shown in Figure 10, it is fixed with guard block 117 in the cylindrical portion 40a of main part 40 periphery.Guard block 117 is right
Input shaft 101 covers and protected the site preparation linked with input shaft 101 with being protected around the linking part of site preparation power transmission shaft 99
Power transmission shaft 99 and the Universal connector being arranged between them are first-class.
Guard block 117 is undulatory protection sheath, and the front being fixed on using clip 118 towards main body 110 is extended
Cylindrical portion 110b around.Cylindrical portion 110b extends from the preceding surface for the resettlement section 110a for being formed as box-like towards front, because
This is used as while cylindrical portion 110b length can be kept intact the fixed part of clip 118, so as to longer obtains protection
The regular length of part 87.Thus, it is possible to more securely install guard block 117, so as to prevent from coming off or vacate gap.
Therefore soil, field trash will not invade the inside of transmission case 102 from the side of guard block 87, so as to prevent above-mentioned invade
Enter the generation of unfavorable condition caused by thing.
As shown in figure 11, kicked up by the rotation of site preparation rotor 104 and invade transmission case 102 and site preparation rotor 104
Between the field trash such as straw be stranded near site preparation rotor 104, then from the side of site preparation rotor 104 towards transmission case 102
Advance side.
Therefore, the road of opening internal and towards jut 113 is invaded from the opened portion of the medial end of universal joint 107
Footpath, turn into the direction opposite (from the outside of transmission case 102 towards the direction of inner side) with the direct of travel of field trash.And from prominent
Play the outboard end in portion 113 further turns into its opposite direction towards the intrusion direction of oil sealing 123.It is so universal by setting
Section 107, the path that thus will reach the oil sealing 123 of transmission case 102 form the fan in the direction opposite with the direct of travel of field trash
Palace formula construction.
As described above, a part for rotor input shaft 105 and the universal joint 107 of rotor drive shaft 106 will be linked
Be formed as wide diameter portion 107a, wide diameter portion 107a is arranged to cover the jut 113 of transmission case 102, so as to effectively prevent
The only oil sealing 123 of field trash intrusion transmission case 102.
In addition, physically blocking the route of field trash by the wide diameter portion 107a of universal joint 107, therefore it can be reduced to and reach
The amount of the field trash of the medial end of universal joint 107.At the same time, field trash is along the universal joint 107 configured as rotary body
Periphery advance, so as to when field trash crosses wide diameter portion 107a, make the centrifugal force of rotation to field trash away from universal joint 107
Direction acts on, so as to can also expect the effect for making field trash shake off from universal joint 107.
As shown in figure 11, transmission case 102 is fixed to rotate relative to drive shaft 103.That is, drive shaft 103 is relative
Rotated in the jut 113 for being fixed to not revolvable transmission case 102.Thus in the inner peripheral surface and jut of universal joint 107
Formed with sliding part 126 between 113 outer peripheral face.
Even if moreover, when field trash invades the gap of universal joint 107 and jut 113, it can also pass through sliding part
126 crush field trash.Even if therefore field trash invades the inside of universal joint 107, also the scraper of sliding part 126 can be utilized to imitate
Fruit is crushed, and so as to prevent it from reaching oil sealing 123, and then can be prevented from twining and be stumbled in drive shaft 103.
Figure 12 represents the other embodiment of transmission case 102 and the maze configuration of universal joint 107.
As shown in figure 12, further expanding projection 130 is set in the wide diameter portion 107a of universal joint 107 medial end,
So as to make field trash play function as the barrier of the physics for the opened portion for not reaching universal joint 107.Additionally by
In the outer peripheral face of the jut 113 of sliding part 96, groove 131 is set, it is thin after being crushed by sliding part 126 so as to temporarily accumulate
Small field trash.
As described above, by making the maze configuration between transmission case 102 and universal joint 107 be formed more complicated,
So as to further be reduced to the amount of the field trash up to oil sealing 123.
Figure 13 represents to be arranged at the other embodiment of the protection construction of the opening of transmission case 102 (jut 113).
As shown in figure 13, it is not provided with wide diameter portion 107a in universal joint 107 and setting makes the open end of jut 113 to footpath
The extension 132 extended laterally, and sheet material 133 is set in the periphery of rotor input shaft 105.Sheet material 103 is affixed to
The discoid part of the periphery of rotor input shaft 105, it is configured to opposed with the extension of jut 113 132.So pass through
Sheet material 133 prevents the field trash entered from the skidding of site preparation rotor 104, and will invade road between sheet material 133 and extension 132
Footpath is radially oriented setting, so as to be reduced to the amount of the field trash for the opening for reaching jut 113.In addition sheet material 133 is with rotating
The rotation of body input shaft 105 rotates together with, and is relatively rotated thus relative to the extension 132 of jut 113.That is, can incite somebody to action
The field trash invaded between sheet material 133 and the extension 132 of jut 113 is ground.
As shown in figure 14, it is provided with the support of the drive shaft 103 of supporting arm 135 and is formed as the side case 140 of tubular.
Side case 140 contains bearing 141 that drive shaft 103 rotatably supports and is configured at the two of bearing 141
The oil sealing 142 of sidepiece.There is opening corresponding with the section shape of drive shaft 103 in side in case 140, and there will be toroidal
The axle sleeve 143 of outer peripheral face be fixed on drive shaft 103, be fixed with bearing 141 and oil sealing 142 in the outer peripheral face of axle sleeve 143.
The discoid guard block 146 for being formed as tabular is provided with the both side ends of axle sleeve 143.Guard block 146
It is arranged to be connected to the outboard end of axle sleeve 143.Guard block 146 is fixed on drive shaft 103 and is configured to and drive shaft 103
Rotation rotate together with.
The two side ends of side case 140 extend in the outer part to the two side ends than axle sleeve 143.Guard block 146 is outside axle sleeve 143
Side extends in the outer part towards than the outboard end of side case 140, and to than side case 140 by radial outside extension, and then towards side case
140 inner side extension.In other words, guard block 146 includes：Central portion 146a, it is arranged along the axial court of drive shaft 103
It is recessed to the inner side of side case 140；With peripheral part 146b, it is from the central portion 146a of depression towards axially external extension and to cover
The mode of the outboard end of side case 140 is bent to form as bent axle shape.
So, guard block 146 is set by the opening at the both ends of side case 140 respectively, so as to which oil sealing 142 will be reached
Path is formed as labyrinth-like.
As shown in figure 15, by the rotation of site preparation rotor 104 kick up and invade side case 140 and site preparation rotor 104 it
Between the field trash such as straw be stranded near site preparation rotor 104, then, from the side of site preparation rotor 104 towards the side of side case 140 before
Enter.
Therefore, the road of opening internal and towards side case 140 is invaded from the opened portion of the medial end of guard block 146
Footpath, turn into the direction opposite (from the outside of side case 140 towards the direction of inner side) with the direct of travel of field trash.And from side case
140 outboard end further turns into its opposite direction towards the intrusion direction of oil sealing 142.So by setting guard block
146, thus the path for the oil sealing 142 for reaching side case 140 is formed as the direction opposite with the direct of travel of field trash
Maze configuration.
In addition, before field trash is from site preparation rotor 104 along drive shaft 103 towards the central portion 146a of guard block 146
Enter, and then when reaching peripheral part 146b from central portion 146a, it is necessary to cross central portion 146a recess.That is, have by center
There is the guard block 146 of the shape of depression, traveling that can be to field trash assigns resistance.
As described above, guard block 146 is respectively set to the opening from the both ends of outer side covers side case 140, so as to
The oil sealing 142 of field trash intrusion side case 140 can effectively be prevented.
Also, guard block 146 is fixed on drive shaft 103 (rotor drive shaft 106), so as to make guard block
146 rotate relative to side case 140.Thus, it is possible to which the inner peripheral surface of guard block 146 will be invaded from the opened portion of guard block 146
Field trash between the outer peripheral face of side case 140 crushes tiny.
In side, the upper surface of case 140 is provided with：Lubricating grease hole 147 and the grease tube joint in closed lubrication fat hole 147
148.The inner space surrounded in side in case 140 by oil sealing 142 is filled with lubricating grease.So by filling lubricating grease, thus it is
Just in the lip breakage of oil sealing 142, can also expect to prevent the effect that internally invades by lubricating grease.
The back-up ring 65 of ring-type is provided with the outside of oil sealing 142.Back-up ring 65 is fixed on the inner peripheral surface of side case 140, to oil sealing
142 are positioned.Using back-up ring 145, increased maze configuration can be set in side case 140.
Industrial utilizability
The present invention can be used in the bearing construction in the rear axle box of rice transplanter.
Description of reference numerals：1 ... rice transplanter；2 ... travel machine bodies；15 ... back axles；18 ... trailing wheels；25 ... rear axle box；62…
Casing；63 ... gear-boxes；68 ... idler gears；69 ... jackshafts；70 ... countershaft-gears；72 ... axletrees；73 ... reducing gears；
81 ... bearings；121 ... the supports of bearing；92 ... holes；93 ... through holes；94 ... driving fit bolts；95 ... bolts.
Claims (1)
- A kind of 1. rice transplanter, it is characterised in thatPossessing site preparation device, it receives the transmission of power from engine and driven,The site preparation device possesses：Transmission case, it is communicated to the power from the engine；Drive shaft, it is arranged to from institute Two sides for stating transmission case protrude towards the jut that side is provided projectingly via oil sealing towards side；Multiple site preparations rotate Body, they are fixed on the drive shaft,The drive shaft includes：Rotor input shaft, it is prominent to side from the jut of the transmission case；Rotor drives Axle, it inputs axis connection via universal joint and with the rotor,Set the transmission case side end of the universal joint is expanding and cover the expansion of the outboard end of the jut of the transmission case Footpath portion,Formed with the sliding part for crushing field trash between the wide diameter portion of the universal joint and the jut of the transmission case.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013235508A JP2015092871A (en) | 2013-11-13 | 2013-11-13 | Rice transplanter |
| JP2013-235508 | 2013-11-13 | ||
| JP2014-052805 | 2014-03-14 | ||
| JP2014-052806 | 2014-03-14 | ||
| JP2014052807A JP6181584B2 (en) | 2014-03-14 | 2014-03-14 | Seedling transplanter |
| JP2014052806A JP6181583B2 (en) | 2014-03-14 | 2014-03-14 | Seedling transplanter |
| JP2014052805A JP6134679B2 (en) | 2014-03-14 | 2014-03-14 | Seedling transplanter |
| JP2014-052807 | 2014-03-14 | ||
| PCT/JP2014/080058 WO2015072511A1 (en) | 2013-11-13 | 2014-11-13 | Rice planting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105705000A CN105705000A (en) | 2016-06-22 |
| CN105705000B true CN105705000B (en) | 2018-02-23 |
Family
ID=53057445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480060635.9A Expired - Fee Related CN105705000B (en) | 2013-11-13 | 2014-11-13 | rice transplanter |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101798108B1 (en) |
| CN (1) | CN105705000B (en) |
| WO (1) | WO2015072511A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805334Y (en) * | 2005-05-19 | 2006-08-16 | 中国农业机械化科学研究院 | Inserting mechanism of rice transplanter |
| CN201088016Y (en) * | 2007-10-12 | 2008-07-23 | 李荣宇 | Rice transplanter slideway type high speed separate planting mechanism |
| CN201709118U (en) * | 2010-04-27 | 2011-01-19 | 天津内燃机研究所 | Oscillator used for walking rice transplanter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3052317B2 (en) * | 1989-10-25 | 2000-06-12 | 三菱瓦斯化学株式会社 | Oxygen scavenger |
| JP2893101B2 (en) * | 1991-02-19 | 1999-05-17 | 富士写真フイルム株式会社 | Processing method of silver halide photographic light-sensitive material and photographic fixing function composition |
| JPH07327460A (en) * | 1994-06-07 | 1995-12-19 | Kubota Corp | Mower |
| JP4515875B2 (en) * | 2004-09-30 | 2010-08-04 | 富士重工業株式会社 | Assembly structure of vertical transaxle drive pinion shaft |
| JP4777789B2 (en) * | 2006-02-06 | 2011-09-21 | ヤンマー株式会社 | Rice transplanter |
| JP4835248B2 (en) * | 2006-04-24 | 2011-12-14 | 井関農機株式会社 | Seedling transplanter |
| JP5253250B2 (en) * | 2009-03-16 | 2013-07-31 | ヤンマー株式会社 | Rice transplanter |
| JP5476151B2 (en) | 2010-02-12 | 2014-04-23 | ヤンマー株式会社 | Riding machine |
-
2014
- 2014-11-13 KR KR1020167015358A patent/KR101798108B1/en active IP Right Grant
- 2014-11-13 WO PCT/JP2014/080058 patent/WO2015072511A1/en active Application Filing
- 2014-11-13 CN CN201480060635.9A patent/CN105705000B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805334Y (en) * | 2005-05-19 | 2006-08-16 | 中国农业机械化科学研究院 | Inserting mechanism of rice transplanter |
| CN201088016Y (en) * | 2007-10-12 | 2008-07-23 | 李荣宇 | Rice transplanter slideway type high speed separate planting mechanism |
| CN201709118U (en) * | 2010-04-27 | 2011-01-19 | 天津内燃机研究所 | Oscillator used for walking rice transplanter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105705000A (en) | 2016-06-22 |
| WO2015072511A1 (en) | 2015-05-21 |
| KR20160083112A (en) | 2016-07-11 |
| KR101798108B1 (en) | 2017-11-15 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Osaka, Japan Patentee after: Yangma Power Technology Co.,Ltd. Address before: Osaka Japan Patentee before: YANMAR Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180223 |