CN109843038A - Rice transplanter plants pawl and has the rice transplanter for planting pawl - Google Patents

Rice transplanter plants pawl and has the rice transplanter for planting pawl Download PDF

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Publication number
CN109843038A
CN109843038A CN201780017037.7A CN201780017037A CN109843038A CN 109843038 A CN109843038 A CN 109843038A CN 201780017037 A CN201780017037 A CN 201780017037A CN 109843038 A CN109843038 A CN 109843038A
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CN
China
Prior art keywords
pawl
rice shoot
plants
plant
planting
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Granted
Application number
CN201780017037.7A
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Chinese (zh)
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CN109843038B (en
Inventor
中村翔一
笠原敏章
竹山智洋
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Yanmar Co Ltd
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Yanmar Co Ltd
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Publication date
Application filed by Yanmar Co Ltd filed Critical Yanmar Co Ltd
Publication of CN109843038A publication Critical patent/CN109843038A/en
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Publication of CN109843038B publication Critical patent/CN109843038B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/02Transplanting machines for seedlings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/003Transplanting machines for aquatic plants; for planting underwater, e.g. rice
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transplanting Machines (AREA)

Abstract

Rice transplanter 1 plants pawl 30a, 30b for holding together the rice shoot of 1 plant of amount from the nursery pad for the seedling carrying base 29 for being placed in rice transplanter 1 rake.It plants pawl 30a, 30b and is formed as double forked a pair of of claw 305a, 305a or 305b, 305b with one end 303a, 303b, also, end 310a, 310b of slot 309a, 309b, the radix unguis portion side 361a, 361b are formed as shape sharper than semicircle when overlook view between the pawl between a pair of of claw 305a, 305a and 305b, 305b.

Description

Rice transplanter plants pawl and has the rice transplanter for planting pawl
Technical field
Pawl is planted the present invention relates to the rice transplanter of the rice shoot for harrowing 1 plant of amount from the nursery pad for being placed in seedling carrying base And has the rice transplanter for planting pawl.
Background technique
In the past, in the rice transplanter for planting operation for the rice shoot in field, being equipped at the rear portion of travel machine body has The rice shoot that seedling carrying base and band plant the transplanting mechanism of pawl plants device.The transplanting mechanism of device is planted as rice shoot, usually 1 Rotary box has 2 types for planting pawl.In this case, if rotary box rotates 1 week, 2 plant pawl and are respectively relative to Rotary box rotates 1 week round about.That is, respectively planting the structure of pawl are as follows: carry out revolution one around the axis of rotation of rotary box on one side Side rotation.
Rice shoot plants in operation, will be loaded with the seedling carrying base of nursery pad intermittently lateral transfer at predetermined intervals on one side, on one side Make to plant pawl around the revolution of the axle center of rotary box and rotation towards seedling carrying base, makes to plant pawl as a result, in seedling carrying base and field level Between move back and forth, from nursery pad to 1 plant 1 plant of rice shoot carry out rake hold together and planted to field.
It plants nursery pad used in operation using the rice shoot that rice transplanter carries out to obtain as follows, that is, in internal diameter Be about 580mm (length) × about 280mm (width) × about 30mm (height) rectangle nursery box in be paved with bed soil on sow seed rice And with the state for carrying out earthing make its germination, nursery and be formed as cushion, obtain nursery pad.As the type of nursery pad, remove Other than the nursery pad of the standard type nursery of seed rice relative to 1 piece of nursery box sowing 100g~130g or so, it is also known that opposite In 1 piece of nursery box seed rice application rate be such as 200g~300g or so high density nursery nursery pad (referring for example to patent Document 1).
The nursery pad of high density nursery is compared with the nursery pad of standard type nursery, rice shoot dense growth.Using high density It is appropriate in order to make to plant every 1 plant of the rice shoot radical that pawl holds together from nursery pad rake when the nursery pad of nursery, and use standard type nursery Nursery pad when compare, make to plant pawl rake and hold together the area of nursery pad and become smaller.Thereby, it is possible to reduce the rice transplanting operation of per unit area Number is padded in required nursery, and economy improves.
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2015-043731 bulletin
Summary of the invention
The pawl that plants for holding together the rice shoot of 1 plant of amount from nursery pad rake is formed as double forked a pair of claws with one end.Picture Such pawl that plants has a problem in that the intensity of the radix unguis part of claw is insufficient so that the interval of the front end side of claw because from Nursery pad rake hold together rice shoot when load and deform, the radix unguis part of claw becomes irreversibly deformed, so that seedling suitably can not be harrowed Seedling.When padding using the nursery of high density nursery, the width high density narrower than the width for planting pawl of standard type nursery is used Nursery plants pawl, becomes smaller so as to plant pawl rake and hold together the area of nursery pad, still, in the high density nursery of narrower width It plants in pawl, above-mentioned unfavorable condition is significant.
The present application is implemented in view of above-mentioned status, and technical task is, improves the intensity for planting pawl.
Rice transplanter involved in the present application plants pawl for harrowing 1 plant of amount from the nursery pad for being placed in seedling carrying base Rice shoot, the pawl that plants of the rice transplanter is formed as double forked a pair of of claws, also, the pair of claw with one end Between pawl between slot, pawl root side end be formed as overlooking the lower shape than semicircle point.
The rice transplanter of the present application to plant pawl can be that the one end is configured to its width and plants pawl than this Another side width it is narrow.
The transplanting equipment of the present application it is standby with plant pawl from the nursery pad for being placed in seedling carrying base harrow rice shoot and towards field Between the rice shoot that plants plant device, plant pawl as described, have the rice transplanter of the present application plants pawl.
The rice transplanter of the present application plants pawl for harrowing the seedling of 1 plant of amount from the nursery pad for being placed in seedling carrying base The pawl that plants of seedling, the rice transplanter is formed as double forked a pair of of claws with one end, also, between the pair of claw Pawl between slot, pawl root side end be formed as overlooking the lower shape than semicircle point and therefore can make the two of a pair of of claw It is relatively thick in the direction of the width under radix unguis partial top, so as to improve claw radix unguis part intensity.Thereby, it is possible to prevent The radix unguis part of claw becomes irreversibly deformed, further, it is possible to prevent the interval of the front end side of claw from deforming, suitably can harrow Rice shoot.
For the rice transplanter of the present application plant pawl for, if by the one end be configured to its width than should The width for planting the another side of pawl is narrow, then is not only configured to that the rake for the rice shoot for harrowing 1 plant of amount from nursery pad is made to hold together area Become smaller, and the intensity of the radix unguis part of claw can be made to be improved, so as to prevent the radix unguis part of claw irreversible Ground deformation, and the interval deformation of the front end side of claw can be prevented, it can suitably be harrowed from the nursery pad of high density nursery and hold together seedling Seedling.
The transplanting equipment of the present application it is standby with plant pawl from the nursery pad for being placed in seedling carrying base harrow rice shoot and towards field Between the rice shoot that plants plant device, plant pawl as described, have the pawl that plants of the rice transplanter of the present application, therefore, energy It is enough to improve reliability relevant to pawl is planted, further, it is possible to which the rice shoot as caused by the deformation for planting pawl is inhibited to plant operation It interrupts, so that successfully carrying out rice shoot plants operation.
Detailed description of the invention
Fig. 1 is the left view of the transplanting rice seedlings machine in embodiment.
Fig. 2 is the top view of transplanting rice seedlings machine.
Fig. 3 is the left view for showing the positional relationship of engine, gearbox and rear car axle box.
Fig. 4 is the top view for showing the positional relationship of engine, gearbox and rear car axle box.
Fig. 5 is the top view that the driver behavior portion of control crank is omitted.
Fig. 6 is the drive system figure of transplanting rice seedlings machine.
Fig. 7 is the hydraulic circuit diagram of transplanting rice seedlings machine.
Fig. 8 is the left view that rice shoot plants device.
Fig. 9 is the main view that rice shoot plants device.
Figure 10 is the top view that rice shoot plants device.
Figure 11 is for the top view for planting depth adjustment axis and seedling taking adjustment axis periphery is illustrated.
Figure 12 is for adjusting the left view cross-sectional view being illustrated to rice shoot longitudinal direction withdrawal amount.
Figure 13 is the top view on rice shoot outlet periphery.
Figure 14 is the top view for transplanting mechanism.
Figure 15 is the left view for transplanting mechanism.
Figure 16 is to show the rearview for planting pawl guiding piece construction.
Figure 17 is the separation stereogram for planting pawl guiding piece construction.
Figure 18 is to show the figure for taking out lid and planting pawl guiding piece, and (A) shows the taking-up lid of high density nursery, (B) the taking-up lid of standard type nursery is shown.
Figure 19 is the separation stereogram for showing the disassembly and assembly construction for planting pawl and extrudate piece.
Figure 20 is the main view, top view and left view for planting pawl, extrudate piece and push rod, and (A) shows high density and educate For seedling with planting pawl, extrudate piece and push rod, (B) shows standard type nursery with planting pawl, extrudate piece and push rod.
Figure 21 is the figure for planting pawl for showing high density nursery, and (A) is top view, and (B) is left view cross-sectional view, and (C) is Main view, (D) are bottom views.
Figure 22 is the figure for planting pawl for showing standard type nursery, and (A) is top view, and (B) is left view cross-sectional view, and (C) is Main view, (D) are bottom views.
Figure 23 is the top view shown in by the radix unguis part amplification for the claw for planting pawl, and (A) shows high density nursery pawl The radix unguis part for planting pawl in portion, (B) show the standard type nursery radix unguis part for the claw for planting pawl.
Figure 24 is the taking-up lid for showing high density nursery and the top view for planting pawl periphery.
Figure 25 is the taking-up lid for showing standard type nursery and the top view for planting pawl periphery.
Specific embodiment
Hereinafter, attached drawing when based on applied to transplanting rice seedlings machine 1 (the hreinafter referred to as rice transplanter 1) for planting 8 lines, The embodiment for making the present application realize materialization is illustrated.In addition, in the following description, it will be towards traveling machine The left side when direction of advance of body 2 is referred to as left side, and similarly, right side when by towards direction of advance is referred to as right side.
Firstly, being illustrated referring to figs. 1 to Fig. 5 to the summary of rice transplanter 1.The rice transplanter 1 of embodiment has traveling machine Body 2 is supported by the pair of right and left front vehicle wheel 3 as traveling portion and the pair of right and left rear wheel 4 as traveling portion.In traveling machine The front of body 2 is equipped with engine 5.It constitutes are as follows: the gearbox 6 of the power from engine 5 rearward is transmitted and makes front truck Wheel 3 and rear wheel 4 drive, and travel machine body 2 advances, retreats traveling as a result,.Keep front truck axle box 7 prominent to the left and right sides of gearbox 6 Out, front vehicle wheel 3 is installed in a manner of it can turn on from preceding axle box 7 towards the front axle 36 extended to the left and right.Make Tubular frame 8 is prominent to the rear of gearbox 6, is fixedly installed rear car axle box 9 in the rear end side of tubular frame 8, from rear car Axle box 9 is towards being equipped with rear wheel 4 on the back axle 37 extended to the left and right.
As shown in Figures 1 and 2, the front of travel machine body 2 and the upper surface side of central portion are provided with operator and take use Operation pedal (body cover) 10.It is configured with preceding cover 11 in the top of the front of operation pedal 10, in the inside of preceding cover 11 It is provided with engine 5.The traveling of operated by foot is configured in the rear portion side of the upper surface of operation pedal 10, preceding cover 11 Gear shift pedal 12.Although detailed content is omitted, but, the rice transplanter 1 of embodiment is constituted are as follows: with traveling gear shift pedal 12 The corresponding variable-speed electric motor of entering amount driving under, to the speed change exported from the hydraulic stepless speed changing machine 40 of gearbox 6 Power is adjusted.
In addition, being provided with manipulation direction disk 14, row in the driver behavior portion 13 for the rear upper surface side for being located at preceding cover 11 Sail main shift lever 15 and the operation bar 16 as descending operation part (referring to Fig. 5).In the upper surface of operation pedal 10, preceding machine The rear of lid 11 is by seat frame 17 and configured with manipulation seat 18.In addition, clipping operation in the left and right sides of preceding cover 11 Pedal 10 and be provided with left and right preparation seedling carrying base 24.
Link rod frame 19 has been provided for erecting in the rear end of travel machine body 2.By by lower link 20 on link rod frame 19 And the lifting linking member mechanism 22 and being linked in a manner of it can go up and down that constitutes of upper connecting rod 21 plants the rice shoots of 8 rows and plants device 23.In this case, the front-surface side that device 23 is planted in rice shoot is provided with suspension by fulcrum shaft (illustration omitted) is rolled Bracket 38.The rear portion side of suspension bracket 38 and lifting linking member mechanism 22 is linked, rice shoot is planted into device 23 can rise as a result, The mobile mode of drop is configured at the rear of travel machine body 2.Make the lift cylinders 39 of fluid pressure type at the upper surface rear portion of tubular frame 8 The cylinder cardinal extremity side bearing of (lifting control mechanism) is that can swing up and down.The bar front end side of lift cylinders 39 and lower link 20 link. Swing up and down lifting linking member mechanism 22 with the stretching motion of lift cylinders 39, as a result, rice shoot plants device 23 and carries out lifting moving. In addition, rice shoot plants the composition of device 23 are as follows: can be swung around above-mentioned rolling fulcrum shaft and change the inclination appearance on left and right directions Gesture.
Operator takes on operation pedal 10 from the boarding pedal 25 of side for being located at operation pedal 10, on one side using driving It sails operation to move in field, rice shoot is made to plant the driving of device 23 and execute to the rice shoot that field plants rice shoot and plant operation on one side (rice transplanting operation).In addition, planting in operation in rice shoot, operator plants device 23 to rice shoot at any time and feeds on preparation seedling carrying base 24 Nursery pad.
As shown in Figures 1 and 2, rice shoot plants device 23 and has: plant input magazine 26, to since the engine 5 via The power of gearbox 6 is transmitted;8 rows plant transmission case 27 with 4 groups (2 1 group of behaviors), they link with input magazine 26 is planted; Rice shoot plants mechanism 28, is set to the rear end side for respectively planting transmission case 27;The seedling carrying base 29 that 8 rows plant;And rice field is flat The float 32 of smoothization, is configured at the lower face side for respectively planting transmission case 27.Planting to be provided in mechanism 28 in rice shoot has A line be arranged two plant pawl 30 plant transmission case 27.It plants transmission case 27 and plants transmission case 27 configured with corresponding 2 rows.It is logical It crosses and plants the output shaft of transmission case 27 and rotate 1 week, two plant pawl 30 and extract and pick up rice shoot one by one respectively, to float Rice field after 32 site preparations plants.Planting the front-surface side of device 23 in rice shoot makes field can be provided in a manner of lifting moving (site preparation) the site preparation roller 85 of Land leveling.As shown in figure 20, device 23 is planted in rice shoot to be provided with to being placed in seedling carrying base 29 nursery pad spreads the case applied agents spreading machine (medicament spreading machine) 400 of case applied agents.
Hereinafter, detailed content is illustrated, still, since the engine 5 not only forward via the power of gearbox 6 Wheel 3 and rear wheel 4 transmit, and also transmit to the input magazine 26 that plants that rice shoot plants device 23.In this case, from gearbox 6 The power for planting device 23 towards rice shoot is transmitted to the spacing in the rows gearbox 75 for the right upper portion for being set to rear car axle box 9 for the time being, from Spacing in the rows gearbox 75 carries out power transmitting to input magazine 26 is planted.Each rice shoot plants mechanism 28, seedling carrying base 29 is passed using this And come power and drive.Such as thin planting, standard is switched in the spacing in the rows that spacing in the rows gearbox 75 is built-in with the rice shoot that will be planted to plant Or dense planting etc. spacing in the rows gear 76 and make the power that device 23 is planted towards rice shoot transmitting be switched on or switched off plant from Clutch 77 (referring to Fig. 6).
In addition, having sign machine 33 on the outside of the left and right that rice shoot plants device 23.Sign machine 33 includes scribing line Mark machine wheel body 34;And mark horn 35, mark machine wheel body 34 is pivotally supported for that can rotate.Each mark horn 35 Base end side be pivotally supported in a manner of it can swing in rice shoot plant device 23 left and right outside.Sign machine 33 is constituted Are as follows: can based on be located at driver behavior portion 13 operation bar 16 operation, contact with rice field and formed be used as subsequent processing in Benchmark track work posture and increase mark machine wheel body 34 and leave and swung between the non-work posture in rice field.
As shown in Figures 3 and 4, travel machine body 2 has the pair of right and left organism frame 50 that front and back extends.Each organism frame 50 It is divided into 52 two parts of forward frame 51 and rear frame.The rear end of forward frame 51 and the front end welding of rear frame 52 are solid Due to the horizontally long intermediate framework 53 in left and right.The front end of pair of right and left forward frame 51 is fixedly welded on front baffle 54.It is left The rear end side of right a pair of rear frame 52 is fixedly welded on afterframe 55.Front baffle 54, two forward frames 51 of left and right and centre Framework 53 is configured to overlook square frame-like.Similarly, intermediate framework 53, two rear frames 52 of left and right and afterframe 55 are also configured to overlook square frame-like.
As shown in figure 4, two forward frames 51 of left and right are linked by front by the basic framework 56 of front and back two.And shape Become: being bent into U-shaped in such a way that the position of the middle part of each basic framework 56 is lower than the position of two forward frames 51 of left and right Shape.The left and right end portions of each basic framework 56 are fixedly welded on corresponding forward frame 51.By generally flat hair Motivation platform 57 and multiple vibration-proof rubbers (illustration omitted) and equipped with engine 5 and prevented on former and later two basic frameworks 56 Vibration bearing.The basic framework 56 of rear side links by rear relay bracket 60 with the front of gearbox 6.
As shown in Figure 4: two forward frames 51 of left and right by rear with to the left and right sides of gearbox 6 front axle outstanding Case 7 links.The U-shaped frame extended when the center side of intermediate framework 53 is welded with side view observation towards lower section of retreading The left and right ends portion of frame 61.In the middle part of U-shaped frame 61 and the tubular frame 8 for linking gearbox 6 and rear car axle box 9 Way portion connection (referring to Fig. 3 and Fig. 4).The upper end side of the two vertical frames 62 in left and right is welded in the middle part of afterframe 55. In left and right, the lower end side of two vertical frames 62 is welded with the middle part of the horizontally long back axle scaffold 63 in left and right.Back axle branch The left and right ends portion of support frame frame 63 and rear car axle box 9 link.In addition, protruding outward the forward frame 51 for being set to left side Pedal supporting station 64 lower section be configured with reduce the exhaust sound of engine 5 silencer 65.
As shown in Figures 3 and 4, the front for the gearbox 6 for being configured at the rear of engine 5 is provided with electronic-controlled power steering unit 66.Although omitting detailed content, but, it is being provided for erecting in the inside of the steering wheel pillar of the upper surface of electronic-controlled power steering unit 66 It is configured with steering wheel shaft in a swingable manner.Manipulation direction disk 14 is fixed in the upper end side of steering wheel shaft.Turn in power To the lower face side of unit 66, steering output shaft (illustration omitted) is protruded downward.It is linked with respectively in the steering output shaft The Steering Rod 68 of steering is carried out to the front vehicle wheel 3 of left and right (referring to Fig. 4).
The engine 5 of embodiment so that output shaft 70 (crankshaft) towards left and right directions mode and configure in two base of front and back On the middle part of plinth frame 56.The left and right width of engine 5 and engine bed 57 is less than the inside between two forward frames 51 of left and right Size, the lower side of engine 5 and engine bed 57 with configure the state on the middle part of two basic framework 56 of front and back than The position of two forward frames 51 of left and right more on the lower is exposed.In this case, the output shaft 70 (axis) of engine 5 is in The position Chong Die with two forward frames 51 of left and right when side view is observed.It (is left side in embodiment in the left and right one side of engine 5 Face) configured with the exhaust pipe 69 being connected to the exhaust system of engine 5.The base end side of exhaust pipe 69 and each cylinder of engine 5 Connection, the front end side of exhaust pipe 69 is connect with the exhaust entrance side of silencer 65.
In driver behavior portion 13 shown in Fig. 5, traveling main shift lever 15 is located at the one side side of left and right of clamping control crank 14 (being left side in embodiment).And constitute are as follows: along be formed in 83 pairs of traveling main shift levers 15 of guide groove in driver behavior portion 13 into Row operation as a result, switches the driving mode of rice transplanter 1 between advance, neutrality, retrogressing, rice shoot addition and mobile each mode. Operation bar 16 is located at left and right another party side (being right side in embodiment) of clamping control crank 14.Operation bar 16 independently undertakes Multiple operations, that is, rice shoot plant the descending operation of device 23, plant clutch 77 switch on or off operation and left and right scribing line The selection operation of mark machine 33, and be configured to along cross direction operation.
In this case, if once leaned forward operation to operation bar 16, rice shoot plants the decline of device 23, if again It carries out operation of once leaning forward, then plants clutch 77 and carry out connection work (as state is connected by power)., whereas if to operation Bar 16 carries out hypsokinesis operation, then plants clutch 77 and carry out cutting work (becoming power off state), if carried out again Hypsokinesis operation, then rice shoot plants the rising of device 23.In the case where the lifting action that rice shoot is planted to device 23 stops, making Operation bar 16 fascinates operation round about.For example, in the case where making rice shoot plant the decline movement stopping of device 23 halfway, As long as carrying out hypsokinesis operation to operation bar 16.If operation bar 16 is fascinated to the left, and it is primary to operate, the scribing line mark in left side Will machine 33 becomes work posture, operates once if fascinated to the left again, the sign machine 33 in left side is returned to non-work posture It returns.If operation bar 16 is fascinated to the right, and it is primary to operate, the sign machine 33 on right side becomes work posture, if again to the right Fascinating, it is primary to operate, then the sign machine 33 on right side is returned to non-work posture.
Next, being illustrated referring to Fig. 6 to the drive system of rice transplanter 1.The output shaft 70 of engine 5 is from engine 5 Left and right sides protrude outward.It is on output shaft 70, be provided with from the protruding end portion that 5 left side of engine highlights Engine output pulley 72 is being provided with speed change input belt wheel 73 from gearbox 6 on left-external side transmission input shaft 71 outstanding, Transfer tape is wound on two belt wheels 72,73.By power by two belt wheels 72,73 and transfer tape and from engine 5 to gearbox 6 Transmitting.
Have in gearbox 6: hydraulic stepless speed changing machine 40 is made of hydraulic pump 40a and hydraulic motor 40b;Planet Geared system 41;Gear type pair gear 42, will be via the change of hydraulic stepless speed changing machine 40 and epicyclic gearing 41 Quick-action power divides multi-change speed;Main clutch 43, to from epicyclic gearing 41 towards the power of gear type pair gear 42 Transmitting is switched on or off;And service brake 44, brake the output from gear type pair gear 42.Since Hydraulic pump 40a is driven from the power of transmission input shaft 71, working oil is supplied from hydraulic pump 40a to hydraulic motor 40b, from liquid Pressure motor 40b output variable speed power.The variable-speed dynamic of hydraulic motor 40b via epicyclic gearing 41 and main clutch 43 and to Gear type pair gear 42 transmits.Then, from gear type pair gear 42, rear wheel 3,4 and rice shoot plant device 23 forward The two direction branches carry out power transmitting.
Towards front and back wheel 3,4 branch's power a part from gear type pair gear 42 via differential gear train 45 and forward axle box 7 front axle 36 transmit, make left and right front vehicle wheel 3 rotation driving.Towards branch's power of front and back wheel 3,4 Remaining part from gear type pair gear 42 via the rear drive shaft 47 in cardan axis 46, rear car axle box 9, pair of right and left Friction clutch 48 and gear type deceleration mechanism 49 and backward axle box 9 back axle 37 transmit, make left and right rear wheel 4 rotate Driving.In the case where making service brake 44 work, since the output from gear type pair gear 42 disappears, so with Front and back wheel 3,4 is braked together.In addition, making the turning medial in rear car axle box 9 in the case where making rice transplanter 1 turn Friction clutch 48 cut off work and rotate freely the rear wheel 4 of turning medial, by being passed on the outside of the turning of power Rear wheel 4 rotation driving and turn.
Have roller driving unit 86 in rear car axle box 9, have for site preparation roller 85 carry out power ON or The site preparation drum clutch of cutting.The power transmitted from gear type pair gear 42 to cardan axis 46 is also to drum driven list First 86 branches transmitting, power is transmitted via cardan axis 87 to site preparation roller 85 from roller driving unit 86.Pass through site preparation The rotation of roller 85 drives and flattens field level.
Branch's power of device 23 is planted via the PTO driving shaft mechanism 74 with cardan axis towards rice shoot and is become to spacing in the rows Fast case 75 transmits.Have in spacing in the rows gearbox 75: spacing in the rows gear 76 is for example dredging the spacing in the rows of the rice shoot planted It is switched between plant, standard plant or dense planting etc.;And clutch 77 is planted, the power that device 23 is planted towards rice shoot is passed Progressive row switches on or off.Be transferred to the power of spacing in the rows gearbox 75 via spacing in the rows gear 76, plant clutch 77 and Cardan axis 78 and to plant input magazine 26 transmit.
Have planting in input magazine 26: seedling carrying base transverse conveying mechanism 79 keeps 29 lateral transfer of seedling carrying base mobile;Seedling Seedling longitudinal translating device associated 80 keeps the nursery pad on seedling carrying base 29 longitudinally fed;And plant output shaft 81, by power from insert It plants input magazine 26 and is transmitted to transmission case 27 is respectively planted.Seedling carrying base transverse conveying mechanism 79 and rice shoot longitudinal translating device associated 80 pass through biography It is handed to the power for planting input magazine 26 and drives, making seedling carrying base 29, continuously reciprocal lateral transfer is mobile, reaches in seedling carrying base 29 It is when moving back and forth end (the fold-back point of reciprocating movement), the nursery pad on seedling carrying base 29 is intermittently longitudinally fed.It is inputted from planting Case 26 is transmitted via the power for planting the transmitting of output shaft 81 to transmission case 27 is respectively planted, and make respectively to plant transmission case 27 plants transmission Case 27 and plant pawl 30 rotation driving.In addition, in the case where fertilizer apparatus is arranged, by power from spacing in the rows gearbox 75 to applying Fertile device transmitting.
It is planting inside input magazine 26 in parallel shape configured with the longer jackshaft 211 in left and right and seedling carrying base drive shaft 212.The power for planting input magazine 26 is transferred to via jackshaft 211 and seedling carrying base drive shaft 212 and to transverse conveying mechanism 79 And rice shoot longitudinal translating device associated 80 is transmitted.It is fixed with multiple lateral transfers in seedling carrying base drive shaft 212 and adjusts driven gear 214, on the other hand, movable fit has lateral transfer corresponding with lateral transfer adjusting driven gear 214 on jackshaft 211 Adjust driving gear 213.By power by that can plant the sliding bar (illustration omitted) of input magazine 26 to be set to and slide The slide key 215 of operation and from jackshaft 211 selectively only to multiple lateral transfers adjust driving gear 213 in any 1 A transmitting rotates seedling carrying base drive shaft 212.
Lateral transfer adjustment gear 213, the number of teeth ratio of 214 each groups are respectively different, if changing lateral transfer adjusting tooth The combination of wheel 213,214, then the rotation ratio of seedling carrying base drive shaft 212 changes.As a result, the lateral transfer of seedling carrying base 29 Spacing changes, and changes so that the rake of the rice shoot of nursery pad holds together amount.In embodiment, lateral transfer adjustment gear 213, 214 combination has 4 kinds, and lateral transfer number is set as any one in 18 times, 20 times, 26 times and 30 times.Herein, laterally Conveying number refers to: by 29 lateral transfer of seedling carrying base to during any one mobile terminal of left and right, 1 behavior 2 plant pawl 30 Hold together the number of rice shoot from nursery pad rake.It is 30 corresponding lateral transfer adjustment gears 213,214 with lateral transfer number Combination is applied to the situation of the nursery pad using high density nursery.
Next, being illustrated referring to Fig. 7 to the hydraulic circuit construction of rice transplanter 1.In the hydraulic circuit 90 of rice transplanter 1 In have: hydraulic pump 40a and hydraulic motor 40b, they are the constituent elements of hydraulic stepless speed changing machine 40;Supply pump 91;And Operation pump 92.Hydraulic pump 40a, supply pump 91 and operation pump 92 are driven by the power of engine 5.Hydraulic pump 40a and liquid Pressure motor 40b is connect by closed loop oil circuit 93 with respective suction side and discharge side.Supply pump 91 and closed loop oil circuit 93 are connected It connects.It constitutes are as follows: by the driving of variable-speed electric motor corresponding with the traveling entering amount of gear shift pedal 12, to adjust hydraulic pump The swash plate angle of 40a drives hydraulic motor 40b forward or reverse.
The electronic-controlled power steering unit 66 that operation pump 91 is assisted with the operation to control crank 14 is connect.Electronic-controlled power steering unit 66 have turning hydraulic switching valve 94 and turning hydraulic motor 95.Make hydraulic switching valve of turning by the operation of control crank 14 94 switch operatings assist the operation of control crank 14 to make the driving of hydraulic motor 95 of turning.As a result, it is possible to Lesser operating force simply steering or so front vehicle wheel 3.
Electronic-controlled power steering unit 66 is connect with flow distributor 96.Flow distributor 96 branches into the first oil circuit 97 and the second oil Road 98.First oil circuit 97 is connect with the lifting switching valve 99 for supplying working oil to lift cylinders 39.Go up and down switching valve 99 be can be The supply position 99a of working oil is supplied to lift cylinders 39 and the two positions drain position 99b of working oil are discharged from lift cylinders 39 The mechanical switching valve of 4 port, 2 switch type switched between setting.Make to go up and down the switching of switching valve 99 with the operation of operation bar 16 Work so that 39 stretching motion of lift cylinders, as a result, rice shoot plant device 23 by lifting linking member mechanism 22 lifting moving.This Outside, flow distributor 96 and lifting switching valve 99 are accommodated in the valve unit 89 set by 6 rear portion of gearbox.
Electromagnetic opening and closing valve 101 is provided in the cylinder oil circuit 100 from lifting switching valve 99 to lift cylinders 39.Electromagnetism opening and closing Valve 101 is the open position 101a of working oil can be supplied or be discharged relative to lift cylinders 39 and is making to supply relative to lift cylinders 39 Give or be discharged the solenoid electric valve that the two positions closed position 101b of working oil stopping switch over.Therefore, if to electricity Magnetic solenoid 102 carry out excitation and make the 101a in an open position of electromagnetic opening and closing valve 101, then lift cylinders 39 can stretching motion, Rice shoot plants device 23 being capable of lifting moving.Electromagnetism is made by reset spring 103 if making the non-excitation of electromagnetic solenoid 102 The 101b in the closed position of open and close valve 101, then lift cylinders 39, which remain, is unable to stretching motion, and rice shoot plants device 23 arbitrary Height and position stops lifting.
In addition, between in cylinder oil circuit 100, electromagnetic opening and closing valve 101 and lift cylinders 39 by liquid storage device oil circuit 104 and It is connected with liquid storage device 105.When working hydraulic pressure in lift cylinders 39 sharply changes, working hydraulic pressure is absorbed by liquid storage device 105 It changes, using the combination of lifting switching valve 99 and electromagnetic opening and closing valve 101, makes the successfully stretching motion of lift cylinders 39, insert rice shoot Plant the trippingly lifting moving of device 23.
The second of flow distributor 96 oil circuit 98 and the rolling that is controlled the posture that tilts that rice shoot plants device 23 Dynamic control unit 106 connects.In the solenoid electric valve for rolling the oriented supply of rolling cylinder 108 working oil built in control unit 106 107.Make 108 work of rolling cylinder for being integrally provided to roll control unit 106 by the switch operating of solenoid electric valve 107 Make, as a result, rice shoot plants device 23 and remains flat-hand position.In addition, the hydraulic circuit 90 of rice transplanter 1 is also equipped with: overflow valve, stream Amount adjustment valve, check valve, oil strainer etc..
Next, the structure for planting device 23 to rice shoot is illustrated referring to Fig. 8 to Figure 11.Rice shoot plants the tool of device 23 It is standby that 8 rows are planted into frame 111 with what is linked between 4 groups of the front end for planting transmission case 27.Frame 111 is planted to prolong along left and right directions Stretch setting.It is equipped in the central portion for planting frame 111 and plants input magazine 26.Planting input magazine 26 makes to carry out seedling carrying base 29 on a left side The lateral transfer axis of the seedling carrying base transverse conveying mechanism 79 of lateral transfer in right direction carries out the vertical of rice shoot on seedling carrying base 29 Plant longitudinally fed drive shaft 80a from mechanism 28 to the rice shoot longitudinal translating device associated 80 of conveying and rice shoot plants output shaft 81 rotations.
Rotatably pivot suspension plants depth adjustment axis 121 on the downside of the front end for planting transmission case 27.It is inserting It plants and is linked on the rear end each float 32a, 32b on depth adjustment axis 121 by depth adjustment connecting rod 114a, 114b is planted Bracket 113a, 113b that surface is configured.Depth is planted in addition, being fixedly installed on planting depth adjustment axis 121 and carrying out benchmark The base end part for planting depth adjustment component 122 of the adjusting of degree.Depth adjustment component 122 is planted by planting depth adjustment actuating Device mechanism 171 and with plant depth adjustment axis 121 for swing pivot swing, to carry out position adjusting.By to planting depth Regulating member 122 carries out position adjusting, so that the height and position of bracket 113a, 113b and float 32a, 32b (being conditioned body) It is configured at the desired depth that plants by planting depth adjustment axis 121 and planting depth adjustment connecting rod 114a, 114b and sets height Degree.At center, the front end of float 32a is equipped with the pickup arm of heave sensor mechanism 311.Heave sensor mechanism 311 is to floating The variation of sub- tilt angle (planting depth) is detected.At center, the top of float 32a is configured with before planting frame 111 The Surface testing sensor mechanism 331 that surface is installed.Variation of the Surface testing sensor mechanism 331 to the surface location in field It is detected.The fluctuation range that the front end of float 32b is equipped with the opposite side front end float 32b in side is limited floating Sub- current mechanism 116.
Next, being illustrated to control device 109 is rolled.As shown in figure 9,38 lower end of suspension bracket is by rolling branch It puts axis 142 and is linked in a freely swinging in the supporting point part 141 for planting the fixed setting of 111 substantial middle of frame.It is being set to Hydraulic rolling cylinder 108 is installed in the mounting base 143 of 38 upper end side of suspension bracket.145 front end of piston rod of hydraulic rolling cylinder 108 Link with the mounting bracket 147 for rolling arm 146 is installed on.The liquid to double acting type is provided integrally on hydraulic rolling cylinder 108 The rolling control unit 106 that pressure rolling cylinder 108 is back and forth driven.In the supporting plate 148 that 143 upper surface of mounting base is fixedly installed On the upper rail frame 151 of 29 back side side surface of seedling carrying base, a pair of of the carbine for being arranged to clamp the center of upper rail frame 151 it Between tensioning be provided with roll correction spring 149.It constitutes are as follows: device 23 is planted to rice shoot in pendulum-type roll sensor (illustration omitted) Inclination when being detected, forward or backward control is carried out to the piston rod 145 of hydraulic rolling cylinder 108, so that rice shoot be made to plant Device 23 is swung left and right around fulcrum shaft 142 is rolled, and realizes that rice shoot plants the horizontal of device 23 and keeps.
In addition, being connected with seedling carrying base transverse conveying mechanism 79 and rice shoot longitudinal translating device associated 80 on planting input magazine 26. The conveying body 79a of seedling carrying base transverse conveying mechanism 79 and the lower backside side of seedling carrying base 29 link, and make seedling carrying base 29 along upper Lateral transfer is mobile in the left and right width direction of rail frame 151 and lower rail frame 152.Therefore, the nursery pad on seedling carrying base 29 connects Reciprocal lateral transfer continuously.On the other hand, it is fixedly installed on the longitudinally fed drive shaft 80a of rice shoot longitudinal translating device associated 80 A pair of longitudinally fed driving cam 80b.When seedling carrying base 29 reaches and moves back and forth end (the fold-back point of reciprocating movement), longitudinal direction is utilized Each longitudinally fed driving cam 80b of feed drive axis 80a rotation driving is abutted with the front end of inverted cam 153 and is made driven Cam 153 is swung.Endless belt-shaped 155 intermittent driving of rice shoot traveling bed as a result, nursery pad on seedling carrying base 29 is towards seedling It is intermittently longitudinally fed that seedling takes out side (the inclination lower end side of seedling carrying base 29).
Rice shoot traveling bed 155 is wound in longitudinally fed driven roller and longitudinally fed driven voller, the longitudinally fed driving Roller is installed on the horizontally long longitudinally fed drive roller shaft 154 in the left and right set by the lower end side of seedling carrying base 29, this it is longitudinally fed from Dynamic roller is installed on the horizontally long longitudinally fed driven roll shaft 157 in the left and right set by the middle part of seedling carrying base 29.In seedling carrying base 29 Nursery pad mounting surface on be loaded with 2 pieces of nursery pads of rectangle in series and made by making 155 intermittent driving of rice shoot traveling bed The inclination lower end side (rice shoot taking-up side) for obtaining nursery pad towards the nursery pad mounting surface of seedling carrying base 29 is longitudinally fed.Rice shoot is longitudinally defeated The length for sending the rice shoot of band 155 to convey acting surface is longer than the length of 1 piece of nursery pad.In addition, making to be fixedly installed in seedling taking adjusting The seedling taking of axis 136 interlocks cam 138 and is installed on the inverted cam 153 of longitudinally fed drive roller shaft 154 by gearing metal wire 156 and link, be changed the longitudinally fed amount of rice shoot also correspondingly with the variation of rice shoot longitudinal direction withdrawal amount, thus carry out with Withdrawal amount corresponding rice shoot appropriate in rice shoot longitudinal direction is longitudinally fed.
In addition, as shown in figure 12, being planted in rice shoot and being provided with the rice shoot withdrawing plate 131 for making 29 lower end of seedling carrying base on device 23 The seedling taking regulating part 132 for moving up and down and rice shoot longitudinal direction withdrawal amount being adjusted.Seedling taking regulating part 132 is fixedly installed in guide rod 134 tops, the guide rod 134 move up and down the guide member 133 for being supported on and planting 27 bolt fastening of transmission case freely.On edge Be fixedly installed with the base end part that seedling taking adjusts cam 135 in the extended seedling taking adjustment axis 136 of left and right directions.Seedling taking is adjusted The front end of cam 135 is inserted in seedling taking regulating part 132.In addition, being fixedly installed with seedling taking adjustment portion in seedling taking adjustment axis 136 The base end part of part 137.Actuator mechanism 181 is adjusted by seedling taking to carry out seedling taking regulating member 137 by connecting member 139 Position is adjusted, and rice shoot withdrawing plate 131, seedling taking regulating part 132 and guide rod 134 are adjusted by seedling taking adjustment axis 136 and seedling taking as a result, Cam 135 and move up and down, plant the adjusting of the rice shoot amount of 1 plant of amount of the taking-up of pawl 30.Seedling taking adjustment axis 136 is swung freely Ground is supported in each shaft bearing plate for planting the fixed setting of 27 top of transmission case.
Next, referring to Fig.1 3 to Figure 18, the detailed configuration for planting mechanism 28 and its periphery to rice shoot is illustrated.It is inserting The rear for planting input magazine 26 is configured with the rice shoot withdrawing plate with rice shoot outlet 220 in a manner of along approximate horizontal be laterally extended 131.It is fixedly installed in the lower backside of seedling carrying base 29 along the approximate horizontal lower rail frame 152 being laterally extended.Seedling will be set to The gliding groove 223 of seedling withdrawing plate 131 is embedded in lower rail frame 152 from below in a manner of it can slide.
The position of each rice shoot outlet 220 in rice shoot withdrawing plate 131 is equipped in a detachable manner: outlet Lid 226 surrounds the inner peripheral of rice shoot outlet 220;It plants claw clip and holds guiding piece 227, from the left and right sides to planting pawl 30 length middle part is clamped;And pawl front guides 228 are planted, it is opposed with the front end side for planting pawl 30.It is this In the case of, will plant the upper end side of pawl front guides 228 erection opening 242, take out lid 226 erection opening 243 with And plant the upper end side that claw clip holds guiding piece 227 erection opening 244 it is successively common tight by bolt 229 with the state of coincidence It is fixed in bolt erection opening 241 set by 2 positions near each rice shoot outlet 220 in rice shoot withdrawing plate 131.It takes The presence of outlet cap 226 is improved the intensity at the position of each rice shoot outlet 220 in rice shoot withdrawing plate 131, facilitates Make to hold together amount stabilisation using the rake for planting the rice shoot that the rake of pawl 30 holds together nursery pad.It plants pawl front guides 228 and plants claw clip and hold The upper end side of guiding piece 227 also contributes to improving the intensity at the position of each rice shoot outlet 220 by common fastening structure.
In embodiment, prepare 2 kinds of taking-up lids 226, plant claw clip and hold guiding piece 227 and plant pawl front guides 228 combination is as outlet unit 230.1 kind of nursery pad for high density nursery, another a kind educating for standard type nursery Seedling pad.Which constitute are as follows: replace outlet unit 230 according to the nursery pad of specification is used.It takes out in lid 226 for planting pawl The groove width size Δ W of 30 open slots 231 passed through width for high density nursery is used and used with standard type nursery is different.Such as figure Shown in 18, the groove width size Δ Wa (referring to (A)) of the taking-up lid 226a of high density nursery is set as its width and compares standard type The width of the groove width size Δ Wb (referring to (B)) of the taking-up lid 226b of nursery is narrow.
In present embodiment, plants claw clip and hold the erection opening 244 of guiding piece 227 to be formed as left and right horizontally long, make to plant pawl Clamp installation site rice shoot outlet 220 and bolt relative to withdrawing plate 131 of the guiding piece 227 in rice shoot withdrawing plate 131 Erection opening 241 can be adjusted along the width direction of open slot 231.Thereby, it is possible to hold the claw clip that plants of the same shape Guiding piece 227 is suitable for the outlet of groove width the size Δ Wa and standard type nursery of the taking-up lid 226a of high density nursery Cover both groove width size Δ Wb of 226b.Therefore, it can make to plant claw clip and hold guiding piece 227 in the nursery pad of high density nursery It is general between outlet unit 230 and the outlet unit 230 of the nursery pad of standard type nursery, it can reduce and plant pawl Clamp the design cost and manufacturing cost of guiding piece 227.
As shown in Figure 13 and Figure 19, have in two end side of length direction that rice shoot plants each rotary box 31 in mechanism 28: Plant pawl 30;The extrudate piece 234 of U-shaped will be squeezed out by planting the rice shoot that pawl 30 clamps;And push rod 235, make extrudate piece 234 slide along pawl 30 is planted.It plants pawl 30 and position is installed on by stud bolt 237 and nut 238 in a detachable manner Pawl case 236 in two end side of length direction of rotary box 31.Extrudate piece 234 is fixedly installed in the front end of push rod 235.
As shown in figure 20, in embodiment, prepare 2 kinds of combination conducts for planting pawl 30, extrudate piece 234 and push rod 235 Plant pawl unit.1 kind of nursery pad for high density nursery, the another a kind nursery pad for standard type nursery.High density nursery is used To be configured to its width narrower than the width of base end side for the front end side for planting pawl 30a.
On the other hand, will be formed as on the outside of double forked upper ends of the extrudate piece 234a of high density nursery with from inside Towards chamfer shape obtained from outside oliquely downward inclined mode corner cut.Also, make that extrudate piece 234a's is double forked upper End side is sliding freely close to the back side of the front end side of the narrower width for planting pawl 30a of high density nursery.If as this Double forked upper end sides of the front end side for planting pawl 30a and extrudate piece 234a are configured to narrower width by sample, then are easy from highly dense The nursery pad rake for spending nursery holds together the rice shoot of 1 plant of amount, further, it is possible to which the rice shoot for inhibiting rake to hold together out will be in the extrudate piece 234a of U-shaped It fills up.On the other hand, the extrudate piece 234b of standard type nursery is formed with substantially uniform thickness.Also, make extrudate piece 234b Double forked upper end sides sliding freely close to the back side for planting the front end side pawl 30b of standard type nursery.
Next, being illustrated referring to Figure 21 to Figure 23 to the shape for planting pawl.High density nursery plants pawl 30a Have with the pawl 30b that plants of standard type nursery: installation face 301a or 301b;And it is a pair of reinforce muscle portion 302a, 302a or 302b, 302b, they are set to along the both sides of the length direction of installation face 301a or 301b and prominent to identical direction Out, the pawl 30b that plants for planting pawl 30a and standard type nursery of high density nursery is configured under cross-sectional view as C-shaped.It plants Pawl 30a, 30b are to carry out press process and molding, installation face 301a, 301b and reinforcement muscle portion to the metal parts of plate The thickness of 302a, 302b are roughly the same.The length LA for planting pawl 30a is identical with the length LB of pawl 30b is planted.
It plants pawl 30a, 30b and has a pair of of claw 305a, 305a or 305b, 305b, their front end (one end) 303a or 303b is since the component 304a or 304b in double forked branches in parallel.The length Lac and claw of claw 305a The length LBc of 305b is identical.As described above, plant the front end 303a of pawl 30a plant pawl width WA be less than plant pawl 30b's Front end 303b's plants pawl width WB.It plants between the pawl of pawl 30a between the pawl of slot 309a between groove width Was and the pawl for planting pawl 30b Groove width WBs is identical between the pawl of slot 309b.The pawl width WAc of claw 305a is less than the pawl width WBc of claw 305b.
As shown in figure 23, closing end (end of the radix unguis portion side 361a, 361b) 310a of slot 309a, 309b between pawl, 310b is formed as shape sharper than semicircle when overlook view.In present embodiment, the closing end of slot 309a, 309b between pawl Substantially V shape when 310a, 310b are formed as overlook view.In addition, the pawl of radix unguis part 361a, 361b of claw 305a, 305b Inner peripheral portion 362a, 362b are located at diameter group groove width WAs, WBs and circular arc center between pawl and are located at closing end 310a, 310b Top virtual semicircle 363 more lean on the front end side claw 305a, 305b position.Also that is, pawl inner peripheral portion 362a, 362b shape As gentler than virtual semicircle 363.In addition, pawl inner peripheral portion 362a, 362b from than virtual semicircle 363 more by claw 305a, Slot 309a, 309b centerline side inclination between being positioned against pawl of the front end side 305b.Using the shape, so that two components The width of radix unguis part 311a, 311b of claw 305a, 305b in 304a, 304b are formed as thicker when overlook view, thus The intensity of radix unguis part 311a, 311b are improved.Accordingly, for pawl 30a, 30b is planted, radix unguis when can prevent rake from holding together rice shoot 311a, 311b become irreversibly deformed for part, further, it is possible to prevent the interval of the front end side of claw 305a, 305a or 305b, 305b Deformation, suitably can harrow rice shoot.The shape of slot 309a and radix unguis part 361a are for claw 305a's between such a pawl The lesser high density nursery of pawl width WAc to plant pawl 30a especially effective.
Reinforce muscle portion 302a, 302b installation face 301a, 301b length direction on both sides from front end 303a, 303b is formed to base end part (another side) 306a, 306b.Reinforce muscle portion 302a, 302b and is arranged to reinforcement height from claw The front end of 305a, 305b are increased towards component 304a, 304b, and reinforcement height is more than component 304a, 304b By the position highest of base end part 306a, 306b.In addition, reinforcing muscle portion 302a, 302b is arranged to reinforcement height from reinforcing rib height Spend the about center that highest position is reduced on the length direction of installation face 301a, 301b towards base end part 306a, 306b Until position, it is arranged from the central location towards base end part 306a, 306b with uniformly height.Reinforce muscle portion 302a, 302b Shape when side view is observed is roughly the same (referring to Figure 21 (B) and Figure 22 (B)).
Base end part width WAr, the WBr for planting base end part 306a, 306b of pawl 30a, 30b are identical.For base end part 306a, 306b, installation face 301a, 301b be formed with 2 erection openings 307a, 307a or the 307b arranged along its length, 307b.Plant pawl 30a, 30b composition are as follows: erection opening 307a, 307a or 307b, 307b, which are inserted in, to be installed in pawl case 236 Stud bolt 237,237, and it is installed on pawl case 236 (referring to Fig.1 9) in a detachable manner using nut 238.
For claw 305a, 305b, the inclination of chamfer shape is formed on the inside of the front end for reinforcing muscle portion 302a, 302b Facial 308a, 308b.The front end of reinforcement muscle portion 302a, 302b on claw 305a, 305b is formed as more thin and substantially as a result, It is pointed, so that claw 305a, 305b enter the easness of nursery pad and cutting ability is improved.
Here, the inclination face 308b for planting pawl 30b is set to the position for being located further forward end side than component 304b, with this Relatively, the inclination face 308a for planting pawl 30a is extended to the position for more leaning on the side base end part 306a than component 304a.By This, the claw 305a for planting pawl 30a enters the easness of nursery pad and cutting ability further increases.In addition, reinforcing muscle portion The inclination face 308a of 302a extends to the position that the side base end part 306a is more leaned on than component 304a, reinforces muscle portion as a result, The thickness of the front end 302a is thinning near component 304a.As described previously for planting pawl 30a, the closing of slot 309 between pawl End 310a is formed as shape sharper than semicircle when overlook view, and the width of the radix unguis part 311a of claw 305a is formed as bowing It is thicker when depending on observation, so that the intensity of component 304a is improved.Therefore, even if reinforcing the thickness of the front end muscle portion 302a It is thinning near component 304a, it can also obtain when claw 305a enters nursery pad that component 304a will not be irreversibly The physical strength of the component 304a of the degree of deformation.In addition, inclination face 308b, which can extend, to be set for planting pawl 30b It sets to the position for more leaning on the side base end part 306a than component 304b.
In above embodiment, plate obtained from the metal material bending machining by plate plant pawl 30a, 30b with The mode that can be dismounted is assemblied in rice transplanter 1, and but, the pawl that plants for being assemblied in rice transplanter 1 may be to have a pair acicular Claw plants pawl (also referred to as chopsticks pawl).For planting pawl like this, the closing of slot between the pawl of preferably a pair of needle-shaped claw End is formed as shape sharper than semicircle when overlook view.As a result, with above embodiment to plant pawl 30a, 30b same Ground keeps two radix unguis partial tops of a pair of needle-shaped claw relatively thick in the direction of the width when observing, so as to improve needle-shaped claw Radix unguis part intensity.Thereby, it is possible to prevent the radix unguis part of needle-shaped claw from becoming irreversibly deformed, further, it is possible to prevent needle The interval of the front end side of shape claw deforms, and suitably can harrow rice shoot.
As being illustrated above with above embodiment, plant pawl 30a, 30b of rice transplanter 1 are used for from mounting Hold together the rice shoot of 1 plant of amount in the nursery pad rake of seedling carrying base 29, is in double dichotomies with front end (one end) 303a or 303b A pair of of claw 305a, 305a or 305b, 305b, also, slot between the pawl between a pair of of claw 305a, 305a or 305b, 305b Closing end (end of the radix unguis portion side the 361a, 361b) 310a or 310b of 309a or 309b is formed as comparing semicircle when overlook view The shape of shape point.Make as a result, a pair of of claw 305a, 305a or 305b, 305b two radix unguis part 361a, 361a or 361b, It is when 361b overlook view relatively thick in the direction of the width, so as to improve radix unguis part 361a, 361b of claw 305a, 305b Intensity.Thereby, it is possible to prevent radix unguis part 361a, 361b of claw 305a, 305b from becoming irreversibly deformed, further, it is possible to prevent The interval of the front end side of claw 305a, 305b deforms, and suitably can harrow rice shoot.
In addition, planting pawl 30a for rice transplanter 1, front end 303a (one end) is configured to its width ratio and is planted The width of base end part (another side) 306a of pawl 30a is narrow, therefore, is not only configured to reduce from nursery pad rake and holds together 1 plant of amount The rake of rice shoot hold together area, also, be improved the intensity of the radix unguis part 361a of claw 305a, so as to prevent claw The radix unguis part 361a of 305a becomes irreversibly deformed, further, it is possible to prevent the interval of the front end side of claw 305a from deforming, Neng Goucong The nursery pad of high density nursery, which is suitably harrowed, holds together rice shoot.
In addition, rice transplanter 1 have with plant pawl 30 from the nursery pad for being placed in seedling carrying base 29 harrow rice shoot and towards field The rice shoot planted plants device 23, and as pawl 30 is planted, and has and plants pawl 30a or 30b, therefore, can be improved and plant pawl 30 relevant reliabilities, further, it is possible to which the rice shoot as caused by the deformation for planting pawl 30 is inhibited to plant the interruption of operation and smooth Ground carries out rice shoot and plants operation.
Next, referring to Figure 24 and Figure 25, it is slotting when pawl 30 passes through in the open slot 231 for taking out lid 220 to planting The gap for planting pawl 30 and taking out between lid 226 is illustrated.In present embodiment, high density nursery plant pawl 30a with Take out the relief width of the gap-ratio standard type nursery between lid 226a planted between pawl 30b and taking-up lid 226b.? This, make the front end for planting pawl 30a of the high density nursery of narrower width plants pawl width WA, makes to take out lid 226a Opening groove width be Δ Wa.Make to plant and plants pawl 30a's and taking-up lid 226a when pawl 30a passes through in open slot 231 The aggregate value in the left and right gap between open slot 231 is clearance delta Wa-WA.In addition, make the standard type nursery of wider width The pawl width that plants for planting the front end of pawl 30b is WB, makes the opening groove width Δ Wb for taking out lid 226b.Make to plant pawl The conjunction for planting the left and right gap between pawl 30b and open slot 231 when 30b passes through in the open slot 231 for taking out lid 226b Evaluation is clearance delta Wb-WB.Planting pawl width WA ratio, to plant pawl width WB narrow.The groove width in addition, open slot width Delta Wa ratio is open It is narrow to spend Δ Wb.In addition, the open slot width Delta Wa of the taking-up lid 226a of high density nursery compares standard type in present embodiment Nursery plant pawl 30b plant pawl width WB wide.
It plants pawl 30a and rice shoot takes the combined clearance delta Wa-WA of lid 226a to be greater than to plant pawl 30b and rice shoot takes mouth Cover the value of the product of the combined clearance delta Wb-WB and reduction ratio WA/WB of 226b.Also that is, open slot width Delta Wa is greater than opening The value of the product of groove width Δ Wb and reduction ratio WA/WB, rather than to plant pawl width WA inserting relative to standard type nursery The reduction ratio WA/WB for planting pawl width WB reduces open slot width Delta Wb and sets the open slot width Delta of high density nursery Wa.In other words, the ratio of Δ Wa/WA for planting pawl width WA and open slot width Delta Wa, which is set greater than, to be planted pawl width WB and opens The ratio of Δ Wb/WB of mouth groove width Δ Wb.Planting pawl width WA and taking for pawl 30a is planted about high density nursery as a result, The open slot width Delta Wa of outlet cap 226a, with only with same reduction ratio by standard type nursery plant pawl width WB and The situation that open slot width Delta Wb reduces is compared, and the gap for planting the open slot 231 that pawl 30a takes lid 226a with rice shoot can be made Δ Wa-WA becomes larger.Further, it is possible to prevent rice shoot from filling up the gap, so as to from the nursery pad of high density nursery suitably Rake holds together the rice shoot of 1 plant of amount.
In addition, in embodiment, high density nursery plant pawl 30a and rice shoot takes clearance delta between lid 226a Wa-WA be greater than standard type nursery plant pawl 30b and rice shoot takes clearance delta Wb-WB between lid 226b.Thereby, it is possible to It is more reliably prevented from rice shoot and takes the gap of open slot 231 of lid 226a to fill up for pawl 30a and rice shoot is planted, it can be more suitably Hold together the rice shoot of 1 plant of amount from the nursery pad of high density nursery rake.
Even if also can prevent rice shoot from will plant pawl 30a and seedling in addition, clearance delta Wa-WA is identical as clearance delta Wb-WB Seedling takes the gap of the open slot 231 of lid 226a to fill up, to suitably harrow the seedling for holding together 1 plant of amount from the nursery pad of high density nursery Seedling.In addition, even if clearance delta Wa-WA is less than clearance delta Wb-WB, if it is greater than clearance delta Wb-WB and reduction ratio WA/WB Product value, then can also obtain functions and effects same as the above embodiment.
In addition, the rice shoot of high density nursery takes the open slot width Delta Wa of lid 226a to be greater than standard in embodiment Type nursery plant pawl 30b plant pawl width WB.It is taken even if being equipped in the rice shoot outlet 220 of rice shoot withdrawing plate 131 Outlet cap 226a simultaneously plants the state of pawl 30b and plants mechanism 28 to rice shoot and drive to be equipped in pawl case 236, takes out lid It 226a and plants pawl 30b and will not contact.Even if in operator like this by the taking-up lid 226a and mark of high density nursery Planting in the case that pawl 30b is assemblied in rice transplanter 1 for pseudotype nursery, can also prevent from taking out lid 226a and plant pawl 30b Contact and damage, further, it is possible to preventing claw case 236 and rice shoot plant the driving mechanism inside mechanism 28 damage.
As being illustrated above with above embodiment, rice transplanter 1 has to plant pawl 30 from being placed in load seedling The rice shoot that the nursery pad rake of platform 29 holds together rice shoot and plants towards field plants device 23, this plants pawl 30 in a detachable manner It is installed on pawl case 236, in the rice shoot outlet 220 for the rice shoot withdrawing plate 131 for being configured at the lower section of seedling carrying base 29 can dismount Mode be equipped with for planting the taking-up lid 226 of the open slot 231 that pawl 30 passes through, can will plant pawl 30 and outlet The combination of lid 226 is replaced are as follows: plants the group of the taking-up lid 226a for planting pawl 30a and open slot width Delta Wa of pawl width WA It closes or plants pawl width WB and be greater than open slot width Delta greater than the pawl 30b and open slot width Delta Wb that plants for planting pawl width WA The combination of the taking-up lid 226b of Wa makes the difference that is, clearance delta Wa-WA that plant pawl width WA Yu open slot width Delta Wa Greater than the difference that is, clearance delta Wb-WB for planting pawl width WB and open slot width Delta Wb and the product of reduction ratio WA/WB Therefore value plants pawl width WB and opening groove width with by the combination for planting pawl 30b and taking out lid 226b of wider width Δ Wb with identical reduction ratio reduces and set narrower width the combination for planting pawl 30a and taking out lid 226a to plant pawl wide The situation of degree WA and open slot width Delta Wa is compared, and the gap for planting the open slot 231 of pawl 30a and taking-up lid 226a can be made Δ Wa-WA broadens, and can prevent rice shoot from filling up the gap.Also, if planting pawl 30a and taking-up using narrower width The combination of lid 226a, then be not only configured to make to plant pawl 30a rake and hold together the area of nursery pad and become smaller, and can be from nursery Suitably rake holds together 1 plant of rice shoot measured to pad.
In addition, clearance delta Wa-WA is greater than clearance delta Wb-WB, therefore, in planting using narrower width in rice transplanter 1 When the combination of pawl 30a and taking-up lid 226a, can be more reliably prevented from rice shoot will plant pawl 30a and take out opening for lid 226a The gap of mouthful slot 231 fills up, and can not only make to plant pawl 30a rake and holds together the area of nursery pad and becomes smaller, moreover, can be more suitable from nursery pad Locality rake holds together the rice shoot of 1 plant of amount.
The present application is not limited to embodiment above-mentioned, can be embodied as various schemes.The structure of each section is not It is defined in embodiment illustrated, can be made various changes in the range of not departing from the purport of the present application.
The explanation of appended drawing reference
1 rice transplanter
23 rice shoots plant device
29 seedling carrying bases
30,30a, 30b plant pawl
The front end 303a, 303b (one end)
305a, 305b claw
Slot between 309a, 309b pawl
304a, 304b component
306a, 306b base end part (another side)
361a, 361b radix unguis portion

Claims (3)

1. a kind of rice transplanter plants pawl, it is used to harrow from the nursery pad for being placed in seedling carrying base the rice shoot of 1 plant of amount,
The pawl that plants of the rice transplanter is characterized in that,
Be formed as double forked a pair of of claws with one end, also,
Slot, pawl root side end is formed as shape sharper than semicircle when overlook view between pawl between the pair of claw Shape.
2. rice transplanter according to claim 1 plants pawl, which is characterized in that
It is narrower than the width for planting the another side of pawl that the one end is configured to its width.
3. a kind of rice transplanter has to plant pawl and harrow rice shoot from the nursery pad for being placed in seedling carrying base and plant towards field Rice shoot plants device,
The rice transplanter is characterized in that,
Pawl is planted as described, have rice transplanter described in claim 1 plants pawl.
CN201780017037.7A 2016-10-20 2017-09-29 Transplanting claw for transplanter and transplanter having the same Active CN109843038B (en)

Applications Claiming Priority (3)

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JP2016-206426 2016-10-20
JP2016206426A JP6877949B2 (en) 2016-10-20 2016-10-20 Rice transplanter
PCT/JP2017/035412 WO2018074183A1 (en) 2016-10-20 2017-09-29 Planting fork for rice transplanter, and rice transplanter provided therewith

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CN109843038B CN109843038B (en) 2022-04-01

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KR (1) KR102253428B1 (en)
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CN113692936A (en) * 2021-08-31 2021-11-26 山东省农业机械科学研究院 Light and simplified bare-rooted seedling planting device and working method

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CN113692936B (en) * 2021-08-31 2023-10-31 山东省农业机械科学研究院 Bare-rooted seedling light-simplified planting device and working method

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JP6877949B2 (en) 2021-05-26
CN109843038B (en) 2022-04-01
WO2018074183A1 (en) 2018-04-26
JP2018064527A (en) 2018-04-26
KR102253428B1 (en) 2021-05-17
KR20180103170A (en) 2018-09-18

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