CN101720590B - Walk-behind type paddy-field work machine - Google Patents

Walk-behind type paddy-field work machine Download PDF

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Publication number
CN101720590B
CN101720590B CN200910177626.9A CN200910177626A CN101720590B CN 101720590 B CN101720590 B CN 101720590B CN 200910177626 A CN200910177626 A CN 200910177626A CN 101720590 B CN101720590 B CN 101720590B
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China
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rice shoot
seedling
longitudinally
longitudinal
moving belt
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CN200910177626.9A
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Chinese (zh)
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CN101720590A (en
Inventor
小林鉴明
大利公彦
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Kubota Corp
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Kubota Corp
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Abstract

The invention relates to a walk-behind type paddy-field work machine, wherein compared with the lower end side, the upper end side is in an inclination gesture one the rear side of the driving body under the condition of lateral observation of the driving body. The walk-behind type paddy-field work machine can exert the longitudinal transportation function of seedlings in large range along the longitudinal transportation direction for seedlings on the seedling bearing platform, is light in weight, simple in structure, can have high holding force for the seedlings. A seedling longitudinal transportation belt (51) positioned at the lower side of the seedling bearing platform (30) and a seedling longitudinal transportation wheel (52) configured above the seedling longitudinal transportation direction compared with the seedling longitudinal transportation belt (51) are disposed on the seedling bearing platform (30) with free driving. The carpet shaped seedling (A) born on the seedling bearing platform (30) is longitudinally transported to the seedling fetching port (32) through the seedling longitudinal transportation belt (51) and the seedling longitudinal transportation wheel (52).

Description

Walk-behind type paddy-field work machine
Technical field
The present invention relates to a kind of walk-behind type paddy-field work machine, it is arranged in seedling carrying base in the situation of observing the body side of travelling compared with the lower end side of this seedling carrying base upper end side and is positioned at the inclination attitude of the body rear side that travels, drive front that seedling growing mechanism makes the seedling growing pawl that seedling growing mechanism has to move back and forth up and down between the rice shoot conveying end of the lower end side at described seedling carrying base and field face, cut off to take out and plant with rice shoot and by planting with seedling growing in the face of field of taking out from being loaded in blanket (mat) shape rice shoot described seedling carrying base by described seedling growing mechanism.
Background technology
The seedling carrying base 5 with the rear portion side that is arranged on body frame 2 and the walk-behind type paddy-field work machine of planting bar 6 in patent documentation 1, are recorded.Seedling carrying base 5 has the longitudinal conveyer 25 of rice shoot of the lower side of carrying seedling portion 24 that is arranged on seedling carrying base 5.The longitudinal conveyer 25 of rice shoot has longitudinal moving belt 27.Longitudinally moving belt 27 longitudinally transports the blanket appearance seedling being loaded on seedling carrying base 5.(each Reference numeral is the Reference numeral being recorded in communique.)
In patent documentation 2, record and there is the seedling growing mechanism 31 at the rear portion that is arranged on the body that travels and the walk-behind type paddy-field work machine of seedling carrying base 32.Seedling carrying base 32 on each multiple rice shoot loading parts transversely arranged along seedling carrying base, have spread configuration seedling carrying base laterally and the rice shoot of seedling carrying base on longitudinal longitudinally transport wheel body 39.Each rice shoot longitudinally transports wheel body 39 and is rotated back shaft 39a driving and rotates, thereby the blanket appearance seedling being loaded on seedling carrying base 32 is transported to rice shoot conveying end 38a in the vertical.(each Reference numeral is the Reference numeral being recorded in communique.)
Patent documentation 1:JP Unexamined Patent 9-107748 communique ([0008] section, Fig. 1,5);
Patent documentation 2:JP JP 2007-68422 communique ([0028] section, [0032], Fig. 1~3).
If be loaded in longitudinal conveyer of the blanket appearance seedling on seedling carrying base be set on the longitudinal carriage direction of rice shoot of seedling carrying base on a large scale in transport rice shoot, even the long blanket appearance seedling of the length on the longitudinal carriage direction of rice shoot, also can be on the longitudinal carriage direction of the rice shoot of blanket appearance seedling on a large scale in give longitudinal transport force, thus can be in the case of being difficult for that the elongation that produce along with longitudinally transporting of blanket appearance seedling occurs or destroying bed soil etc. and longitudinally transport rice shoot.In addition, even in the situation that multiple blanket appearance seedlings are arranged to loading along the longitudinal carriage direction of rice shoot, also can all give longitudinal transport force to blanket appearance seedling above and blanket appearance seedling below, thereby longitudinally transport rice shoot in the case of making to be difficult for producing gap between blanket appearance seedling above and blanket appearance seedling below.
In the technology of recording by application patent documentation 1, on the longitudinal carriage direction of rice shoot of seedling carrying base on a large scale in performance longitudinal function of transportation, longitudinally the length of moving belt on the longitudinal carriage direction of rice shoot is elongated, considers often to become heavy from the weight aspect of longitudinal moving belt.
In the technology of recording by application patent documentation 2, on the longitudinal carriage direction of rice shoot of seedling carrying base on a large scale in performance longitudinal function of transportation, the rice shoot of arranging on the longitudinal carriage direction of rice shoot longitudinally transports wheel body and becomes many, often becomes complicated from the viewpoint of drive mechanism structure.
Summary of the invention
The object of the present invention is to provide can be on the longitudinal carriage direction of the rice shoot of seedling carrying base on a large scale in the longitudinal function of transportation of performance rice shoot, and quality is light and simple in structure, can bring into play the walk-behind type paddy-field work machine of high rice shoot confining force.
The walk-behind type paddy-field work machine of the first invention, seedling carrying base is arranged in to upper end side in the situation of observing the body side of travelling and compares lower end side and be positioned at the inclination attitude of the body rear side that travels, drive described seedling growing mechanism, the front that makes the seedling growing pawl that seedling growing mechanism has moves back and forth up and down between the rice shoot conveying end of the lower end side at described seedling carrying base and field face, cut off to take out and plant with rice shoot from being loaded in blanket appearance seedling described seedling carrying base by described seedling growing mechanism, and by planting with seedling growing in the face of field of taking out, wherein, the longitudinal moving belt of rice shoot of the lower end side that is positioned at described seedling carrying base is longitudinally transported to wheel body with the rice shoot of comparing the longitudinal moving belt of this rice shoot and be configured in the longitudinal carriage direction upper side of rice shoot, drive and be freely arranged on described seedling carrying base, longitudinally transporting wheel body by the longitudinal moving belt of described rice shoot and described rice shoot longitudinally transports the blanket appearance seedling being loaded on described seedling carrying base to described rice shoot conveying end.
According to the structure of this first invention, because the lower end side at seedling carrying base is carried out longitudinally transporting of rice shoot by the longitudinal moving belt of rice shoot, longitudinally transport wheel body at the longitudinal carriage direction upper side of rice shoot of the longitudinal moving belt of rice shoot of seedling carrying base by rice shoot and carry out longitudinally transporting of rice shoot, so lower end side position to the rice shoot that can be positioned at the longitudinal moving belt of the rice shoot of seedling carrying base longitudinally transports the longitudinal function of transportation of performance on a large scale at the upper end side position that wheel body is positioned at.And, compared with adopting the longitudinal moving belt covering of rice shoot large-scale situation as described above, adopt the short longitudinal moving belt of rice shoot of length on the longitudinal carriage direction of rice shoot, and with compared with the rice shoot of arranging on a large scale as described above longitudinally transports the situation of wheel body, adopt the rice shoot of minority longitudinally to transport wheel body.
And then, according to the structure of this first invention, because blanket appearance seedling is blocked and is supporting by the longitudinal moving belt of rice shoot in the lower end side of seedling carrying base, so be difficult for sending out upper blanket appearance seedling in seedling carrying base lower end side the offset movement to the longitudinal carriage direction lower side of rice shoot, be easy to avoid blanket appearance seedling skew to enter rice shoot conveying end.
Thereby, even the situation that the length at blanket appearance seedling on the longitudinal carriage direction of rice shoot is long or arrange on seedling carrying base in the situation that of being mounted with multiple blanket appearance seedling, also can by the longitudinal carriage direction of rice shoot of seedling carrying base on a large scale in acquisition the longitudinal function of transportation of rice shoot, be difficult for occurring blanket appearance seedling elongation or destruction bed soil, rice shoot and be difficult for producing between rice shoot below and carry out rice shoot in the situation in gap etc. and longitudinally transport above, and supporting blanket appearance seedling by the longitudinal moving belt of rice shoot is easy to avoid rice shoot skew to enter rice shoot conveying end, can plant rice shoot with damage and the little mode of quantitative changeization of planting rice shoot.
The walk-behind type paddy-field work machine of the second invention is provided with the passive rice shoot support member of the face side of blanket appearance seedling, float from described seedling carrying base to suppress blanket appearance seedling, the sphere of action by described rice shoot support member on the longitudinal carriage direction of rice shoot is set as longitudinally transporting wheel body from the longitudinal moving belt of described rice shoot to described rice shoot.
According to the structure of this second invention, except having the action effect brought into play of structure of this first invention, also there is following action effect.
According to the structure of this second invention, utilizing rice shoot support member to suppress blanket appearance seedling longitudinally transports wheel body from the longitudinal moving belt of rice shoot and rice shoot and floats, and make the longitudinal moving belt of rice shoot and rice shoot longitudinally transport wheel body to blanket appearance seedling effect, longitudinally transport thereby can longitudinally transport wheel body by the longitudinal moving belt of rice shoot and rice shoot accurately.
Thereby, longitudinally transport wheel body by the longitudinal moving belt of rice shoot and rice shoot and carry out high-precision rice shoot and longitudinally transport and can be reliably supply with rice shoot to rice shoot conveying end, also can plant from this point of view the little seedling growing of quantitative changeization of rice shoot.
The walk-behind type paddy-field work machine of the 3rd invention is provided with the operating parts of the longitudinal moving belt of rice shoot described in manual operation.
According to the structure of the 3rd invention, except thering is the action effect of bringing into play in the structure of this first or second invention, also there is following action effect.
According to the structure of the 3rd invention, operate artificially the longitudinal moving belt of rice shoot by operating parts, blanket appearance seedling can be loaded on the longitudinal moving belt of rice shoot and longitudinally transport.
Thereby, even to be supplied to the motion on seedling carrying base of blanket appearance seedling on seedling carrying base due to the longitudinal moving belt of rice shoot variation, or want blanket appearance seedling to send into rice shoot conveying end but hand is difficult in the situations such as arrival, blanket appearance seedling can be supplied to assigned position like a cork by the longitudinal moving belt of manual operation rice shoot.
Brief description of the drawings
Fig. 1 is the unitary side view of walk-behind type paddy-field work machine.
Fig. 2 is the vertical view of walk-behind type paddy-field work machine.
Fig. 3 is the end view of seedling growing portion.
Fig. 4 is the front view of the horizontal conveyer of rice shoot.
Fig. 5 is the vertical profile end view of the horizontal conveyer of rice shoot.
Fig. 6 is the vertical profile end view of seedling carrying base.
Fig. 7 is the back view of seedling carrying base.
Fig. 8 is the rearview that rice shoot longitudinally transports driving mechanism.
Fig. 9 is that rice shoot longitudinally transports the end view of driving mechanism under halted state.
Figure 10 is that rice shoot longitudinally transports the end view of driving mechanism under operating state.
Figure 11 (a) is the end view in the adjustment state regulating to the amount of obtaining increase side at the rice shoot amount of obtaining governor motion, and Figure 11 (b) is the end view of the rice shoot amount of obtaining governor motion under the adjustment state regulating to the amount of obtaining minimizing side.
Figure 12 is the vertical view of rice shoot support member.
Figure 13 is the cutaway view of registration arm and input link.
Figure 14 is the figure observing to the direction of arrow of the XIV-XIV section in Figure 13.
Embodiment
Below, based on accompanying drawing, embodiments of the invention are described.
Fig. 1 is the unitary side view of the walk-behind type paddy-field work machine of the embodiment of the present invention.Fig. 2 is the vertical view of the walk-behind type paddy-field work machine of the embodiment of the present invention.As shown in these figures, the walk-behind type paddy-field work machine of the embodiment of the present invention has the body of travelling, this body that travels has the running vehicle wheel 1 that pair of right and left is freely driven, 1 and be arranged on the control crank 2 of After-Body, the walk-behind type paddy-field work machine of the embodiment of the present invention also has 3 ground connection buoyancy aids 3 of the transversely arranged setting of body of travelling on the edge, bottom of this body that travels, the walk-behind type paddy-field work machine of the embodiment of the present invention also has seedling growing portion 5, this seedling growing portion 5 has 6 seedling growing mechanisms 4 of the transversely arranged setting of body of travelling on the edge, rear portion of the described body that travels, the walk-behind type paddy-field work machine of the embodiment of the present invention also has the preparation seedling carrying base 6 of the top that is arranged on described running vehicle wheel 1.
This walk-behind type paddy-field work machine carries out 6 row seedling growing operations.
That is to say, described in the body that travels there is body frame 10, this body frame 10 has the anterior gearbox 11 that is positioned at the body that travels.This body frame 10, except having described gearbox 11, also has: transmission case 12, extends to the body rear of travelling from the rear portion of this gearbox 11; Plant gearbox 13, be connected with the rearward end of this transmission case 12; Rear portion frame 14, plants gearbox 13 to the body rear extension of travelling from this; Engine mount 15, extends to the body front of travelling from described gearbox 11.
The described body that travels has the engine 20 being supported on described engine mount 15 and the wheel driving box 21 extending to the body rear of travelling from two horizontal sidepieces of described gearbox 11, the output of described engine 20 is passed to the axletree 1a of described running vehicle wheel 1 via described gearbox 11 and described wheel driving box 21, and drive described pair of right and left running vehicle wheel 1,1, described in the body that travels travel by this pair of right and left running vehicle wheel 1,1.
Described pair of right and left wheel driving box 21,21 is supported on easy on and off on described gearbox 11 and centered by lifting shaft core P and swings.Described pair of right and left wheel driving box 21,21 has the motion arm 22 extending to the body top of travelling from the base portion of each wheel driving box 21.Pair of right and left wheel driving box 21,21 is via interlock connecting rod 24 and lifting cylinder body 25 interlocks of below that are arranged on described engine 20, the left end of described interlock connecting rod 24 is connected with the described motion arm 22 of left side wheel driving box 21 via linkage part 23, and the right-hand end of described interlock connecting rod 24 is connected with the described motion arm 22 of right side wheels driving box 21 via linkage part 23.
About the body that travels, described lifting cylinder body 25 is operated and is stretched, operate pair of right and left wheel driving box 21,21 by lifting cylinder body 25 and swing up and down and make pair of right and left running vehicle wheel 1,1 with respect to body frame 10 liftings, near the decline job state that 6 seedling growing mechanisms 4 that decline contact field faces and seedling growing portion 5 at 3 ground connection buoyancy aids 3 thus drop to the face of field switches between the non-job state of rising of field face rising with 3 and 6 seedling growing mechanisms 4 of 3 ground connection buoyancy aids.
Fig. 3 is the end view of seedling growing portion 5.As shown in this Fig. 3 and Fig. 2, described seedling growing portion 5 except have described 6 seedling growing mechanisms 4 and described in plant gearbox 13, also there is one and be arranged on described rear portion frame 14 and be configured near the seedling carrying base 30 body front side that travels of described control crank 2.
Described seedling carrying base 30 is supported for compared with lower end side upper end side and is positioned at the inclination attitude of the body rear side that travels.This seedling carrying base 30 has 6 rice shoot loading part 30a along the transversely arranged setting of body of travelling in its face side.
About described seedling growing portion 5, in the time that the body that makes to travel is described decline job state and travels, from be loaded in the blanket appearance seedling A the described rice shoot loading part 30a of seedling carrying base 30, take out the planting with rice shoot of a strain part by each seedling growing mechanism 4, plant with seedling growing in the field face that the slip on the face of field has been flattened by described ground connection buoyancy aid 3 taken out.
Next, described seedling growing portion 5 is described in detail.
Seedling growing portion 5 has: rail plate 31, be configured in the lower end side of described seedling carrying base 30, and be supported on described rear portion frame 14 through mounting rod 31a; 6 rice shoot conveying ends 32 arrange 6 groovings and form along the body that travels is transversely arranged on this rail plate 31.
As shown in Figure 2,3, 4, the Liang Ge seedling growing mechanism 4,4 that is arranged in the body lateral center portion of travelling in described 6 seedling growing mechanisms 4 plants described in being supported on the horizontal sidepiece of central bin 13a bottom of gearbox 13 and is freely driven.Described in the Liang Ge seedling growing mechanism 4,4 that is arranged in the body lateral outer side of travelling in described 6 seedling growing mechanisms 4 is supported on, plant on the horizontal sidepiece of the side case 13c bottom that the 13b of the transmission cylinder portion that passes through of gearbox 13 is connected with described central bin 13a and freely driven.
As shown in Figure 3,4, described each seedling growing mechanism 4 has: plant arm 4a, through driving turning arm 33 to be connected with described central bin 13a or described side case 13c with swing arm 34; Seedling growing pawl 4b, is arranged on this and plants the leading section of arm 4a.Each seedling growing mechanism 4 is driven as follows, plant that arm 4a is driven by described driving turning arm 33 and swing arm 34 and swing travelling on body above-below direction, thereby between the corresponding rice shoot conveying end 32 of the front that drives seedling growing pawl 4b in described 6 rice shoot conveying ends 32 and field face, describing rotational trajectory T while move back and forth.
Thus, each seedling growing mechanism 4 carries out rice transplanting campaign as following,, in the time that seedling growing pawl 4b passes through rice shoot conveying end 32, utilize seedling growing pawl 4b to cut off and take out planting with rice shoot of a strain part from being loaded in the bottom of the blanket appearance seedling A on the rice shoot loading part 30a corresponding with rice shoot conveying end 32 described 6 rice shoot loading part 30a of seedling carrying base 30, planting of utilizing that seedling growing pawl 4b carrying takes out makes its decline and plants in the face of field with rice shoot.
Seedling growing portion 5 has the horizontal conveyer 40 of rice shoot, the horizontal conveyer 40 of this rice shoot have run through the body that travels on the top of planting the described central bin 13a in gearbox 13 described in being arranged on horizontal laterally transport axle 41.
Fig. 4 is the front view of the horizontal conveyer 40 of described rice shoot.Fig. 5 is the vertical profile end view of the horizontal conveyer 40 of described rice shoot.As shown in these figures, the horizontal conveyer 40 of described rice shoot, except having described laterally transporting axle 41, also has: laterally transport block 43, be arranged on described laterally transporting on axle 41 in the inside of described central bin 13a through block folder 42; Helical axis 44 has the helicla flute 44a that laterally transports the jut 43a of block 43 for snapping in this on periphery; Power shaft 47, driven wheel 45 interlocks through travelling gear 46 with this helical axis 44.
As shown in Figure 2,3, the described axle 41 that laterally transports is supported on described central bin 13a above and can be free to slide.This both end sides of laterally transporting axle 41 is connected with the left side of both end sides or the end on right side corresponding to laterally transporting axle 41 of seedling carrying base 30 through connector 48.
About the horizontal conveyer 40 of described rice shoot, through making the driving shaft 33a of seedling growing mechanism 4 of described central authorities and the driving chain 50 of the power transmission shaft 13d interlock of the described transmission cylinder 13b of portion, the driving force of described driving shaft 33a is inputed to described power shaft 47, make the driving force of this power shaft 47 be passed to driven wheel 45 and drive helical axis 44 to rotate through travelling gear 46, laterally transport axle 41 and make this laterally transport axle 41 to slide along the body transverse reciprocating that travels through laterally transporting 42 operations of block 43 and block folder by helical axis 44, thereby seedling carrying base 30 is transversely moved back and forth at the body that travels along described rail plate 31.
That is to say, seedling carrying base 30 is laterally reciprocated along the body that travels with the rice transplanting campaign interlock of each seedling growing mechanism 4 by the horizontal conveyer of described rice shoot 40, blanket appearance seedling A on each rice shoot loading part 30a is moved along the body transverse reciprocating that travels with respect to the rice shoot conveying end 32 of corresponding seedling growing mechanism 4 use, with by each seedling growing mechanism 4 from blanket appearance seedling A one end side direction transversely another distolateral take out to plant from the bottom of blanket appearance seedling A successively use rice shoot.
As shown in Figure 6, described each rice shoot loading part 30a of described seedling carrying base 30 has rice shoot loading surface 30b, and described rice shoot loading surface 30b is by forming along the top upper surface of the ridge on the longitudinal carriage direction of rice shoot of the transversely arranged setting of seedling carrying base on rice shoot loading part 30a.The position that the rice shoot loading surface 30b of each rice shoot loading part 30a longitudinally transports scope S at the rice shoot of seedling carrying base lower end side becomes tabular surface, observe at the position of comparing this position and be positioned at the longitudinal carriage direction upper side of rice shoot from the body side of travelling, become the flexure plane protruding to seedling carrying base face side.
As shown in Fig. 2,3,6, described seedling carrying base 30 has: the longitudinal moving belt 51 of rice shoot, is arranged on the lower end side of described each rice shoot loading part 30a, and is arranged on the position that becomes described tabular surface of rice shoot loading surface 30b; 4 rice shoots longitudinally transport wheel body 52, at longitudinal carriage direction upper side of the longitudinal moving belt 51 of described rice shoot of described each rice shoot loading part 30a, and on the position that becomes described flexure plane of rice shoot loading surface 30b along travelling the transversely arranged setting of body.
The longitudinal moving belt 51 of described rice shoot of each rice shoot loading part 30a and described rice shoot longitudinally transport wheel body 52 and are configured to, the mode of facing rice shoot conveying end 32 with longitudinal one end at the blanket appearance seedling A (standard rice shoot) that makes the longitudinal size of rice shoot be about 60cm is loaded in the state on rice shoot loading part 30a, the lower end side of a blanket appearance seedling A is placed on the longitudinal moving belt 51 of rice shoot, and the upper end of this blanket appearance seedling A is placed on rice shoot and longitudinally transports on wheel body 52.
As shown in Figure 6,7, the longitudinal moving belt 51 of described rice shoot of described each rice shoot loading part 30a is configured to, and the carrying face with the projection that the longitudinal carriage direction of and rice shoot horizontal along seedling carrying base arranges comes in the face of being positioned at holes on rice shoot loading part 30a in the function of transportation side of the longitudinal moving belt 51 of rice shoot.The longitudinal moving belt 51 of rice shoot of each rice shoot loading part 30a is wound on and longitudinally transports end side wheel body 54 and longitudinally transport on top side wheel body 56, the wherein said end side wheel body 54 that longitudinally transports is arranged on the rear side of seedling carrying base 30 and can rotates freely through longitudinal moving belt driving shaft 53, and the described top side wheel body 56 that longitudinally transports is arranged on the rear side of seedling carrying base 30 and can rotates freely through back shaft 55.Described longitudinal moving belt driving shaft 53 in 6 rice shoot loading part 30a connects as one and can rotate freely, and becomes a longitudinal moving belt driving shaft.
The described rice shoot of described each rice shoot loading part 30a longitudinally transports wheel body 52 and is configured to, and peripheral part is side-prominent to rice shoot loading surface from the wheel body opening of rice shoot loading part 30a.Described 4 rice shoots of each rice shoot loading part 30a longitudinally transport wheel body 52 and are supported in a rotating support shaft 57 of the rear side that is arranged at seedling carrying base 30 and rotate freely with these rotating support shaft 57 one.Described rotating support shaft 57 in 6 rice shoot loading part 30a connects as one and can rotate freely, and becomes a rotating support shaft.
As shown in Figure 3, described seedling growing portion 5 has rice shoot and longitudinally transports driving mechanism 60, this rice shoot longitudinally transports driving mechanism 60 and has the body power transmission shaft 61 transversely that travels, this power transmission shaft 61 is arranged on the rear side of described seedling carrying base 30, compare the longitudinal moving belt 51 of described each rice shoot and be configured in the longitudinal carriage direction upper side of rice shoot, and compare described each rice shoot and longitudinally transport wheel body 52 and be configured in the longitudinal carriage direction lower side of rice shoot, and can rotate freely.
Fig. 8 is the rearview that described rice shoot longitudinally transports driving mechanism 60.As shown in this figure and Fig. 3,6,7, described rice shoot longitudinally transports driving mechanism 60 except having described power transmission shaft 61, also there is driving chain 64, the drive sprocket 62 that it is wound on an end that is arranged at this power transmission shaft 61 and rotates freely with these power transmission shaft 61 one and be arranged in described rotating support shaft 57 and with longitudinally transporting on wheel body drive sprocket 63 that described rotating support shaft 57 one rotate freely; Also have transmission arm 65, near its at described drive sprocket 62 is supported on described power transmission shaft 61 and can be rotated freely by relatively described power transmission shaft 61 by the mounting cylinder 65b of portion; Also have trace 67, it is connected with the input arm 66a that is arranged on the single direction rotation clutch 66 on described longitudinal moving belt driving shaft 53 with described transmission arm 65; Also have single direction rotation clutch 68, it is arranged on the other end of described power transmission shaft 61; Also have the connector 65a of an axle shape, it connects the input link 68a of described single direction rotation clutch 68 and described transmission arm 65 so that input link 68a and described transmission arm 65 can be around the axle core one rotations of described power transmission shaft 61; Also there is push-and-pull transmission body 69, be connected with the described input link 68a of described single direction rotation clutch 68 with from the described extended output arm 41a in an end that laterally transports axle 41.
The through hole that described push-and-pull transmission body 69 is inserted on the horizontal arm that is arranged on the lateral outer side end that is arranged in seedling carrying base 30.Described driving chain 64 is contained in drive chain case (not shown).
As shown in Figure 4,5, the described axle 41 that laterally transports has and is configured in two cross sides of described block folder 42 and can laterally transports the slave arm 41b that axle 41 one rotate freely with described, and described helical axis 44 has the output body 44b that is arranged on the both ends of described helical axis 44 and rotates freely with described helical axis 44 one.In the time that seedling carrying base 30 arrives left and right transverse shifting end of travel, the described slave arm 41b of a side corresponding with this transverse shifting end of travel and the end butt of described output body 44b, slave arm 41b is output body 44b and drives and rotate, along with the anglec of rotation of slave arm 41b reaches set angle, output body 44b departs from slave arm 41b and does not drive slave arm 41b.Thus, in the time that seedling carrying base 30 arrives left and right transverse shifting end of travel, the described axle 41 that laterally transports is rotated the setting anglec of rotation by the drive force of helical axis 44, and this driving force is exported from output arm 41a.
Fig. 9 is that described rice shoot longitudinally transports the end view of driving mechanism 60 under halted state.Figure 10 is the end view of the longitudinal conveyer 60 of described rice shoot under operating state.As shown in these figures, longitudinally transport driving mechanism 60 about described rice shoot, in the time that seedling carrying base 30 arrives left and right transverse shifting end of travel, laterally transporting axle 41 is driven and makes the driving force of exporting from output arm 41a be passed to the input link 68a of single direction rotation clutch 68 via push-and-pull transmission body 69, via this input link 68a and connector 65a, the driving force of the transmission arm 65 swinging with these one is passed to single direction rotation clutch 66 by trace 67 and drives longitudinal moving belt driving shaft 53, on the longitudinal carriage direction of rice shoot, drive the longitudinal moving belt 51 of rice shoot of each rice shoot loading part 30a by this longitudinal moving belt driving shaft 53.
Longitudinally transport driving mechanism 60 about described rice shoot, in the time that driving force drives to single direction rotation clutch 68 from laterally transporting the output arm 41a of axle 41, drive power transmission shaft 61 by this driving force, by driving chain 64, the driving force of this power transmission shaft 61 is passed to and longitudinally transports wheel body drive sprocket 63 and drive rotating support shaft 57, drive the rice shoot of each rice shoot loading part 30a longitudinally to transport wheel body 52 by this rotating support shaft 57 and make it along the longitudinal carriage direction rotation of rice shoot.
Longitudinally transport driving mechanism 60 about described rice shoot, the driving stroke that longitudinally transports wheel body 52 when the longitudinal moving belt 51 of rice shoot and rice shoot reaches when setting driving stroke corresponding to the longitudinal upwards of movement of rice shoot, described output body 44b departs from from slave arm 41b, laterally transporting axle 41 stops, thus, the input link 68a of single direction rotation clutch 68 is stopped, thereby make to stop to the transmission of single direction rotation clutch 66, longitudinal moving belt driving shaft 53 is stopped, finally make the longitudinal moving belt 51 of rice shoot stop, and make to stop to the transmission of power transmission shaft 61, rotating support shaft 57 is stopped, finally making rice shoot longitudinally transport wheel body 52 stops.Now, make the input arm 66a of described single direction rotation clutch 66 return to position of readiness by back-moving spring 66b (with reference to Fig. 8), make described each slave arm 41b return to position of readiness by back-moving spring 41c (with reference to Fig. 4).
That is to say, in the time that seedling carrying base 30 arrives left and right transverse shifting end of travel, the longitudinal moving belt 51 of rice shoot of each rice shoot loading part 30a and rice shoot longitudinally transport wheel body 52 by described rice shoot longitudinally transport driving mechanism 60 drive set drive stroke, longitudinally transport wheel body 52 by the longitudinal moving belt 51 of rice shoot and rice shoot and make to be loaded in blanket appearance seedling A on each rice shoot loading part 30a towards rice shoot conveying end 32, longitudinally transport with utilizing seedling growing mechanism 4 rice shoot that produces upwards of movement corresponding to the amount of obtaining on longitudinally, can be along with the transverse shifting of ensuing seedling carrying base 30, take out to plant by seedling growing mechanism 4 and use rice shoot.
As shown in Figure 1, 2, described seedling carrying base 30 has a rice shoot support member 70 that is arranged on the face side of described seedling carrying base 30.
Figure 12 is the vertical view of described rice shoot support member 70.As shown in this accompanying drawing, described rice shoot support member 70 has: the body lower connecting rod 71 transversely that travels, is positioned at the lower end side of seedling carrying base 30; The upper connecting rod 72 that the body that travels is horizontal, is positioned at the upper end side of seedling carrying base 30; The stock rice shoot support member main body 73 of 12 longitudinal carriage directions of rice shoot, transversely arranged along the body that travels, be connected with described lower connecting rod 71 and described upper connecting rod 72; The quarter butt rice shoot support member main body 74 of 6 longitudinal carriage directions of rice shoot, transversely arranged along the body that travels, base end side is connected with described lower connecting rod 71.
As shown in Fig. 9,12, the both end sides of described lower connecting rod 71 is connected with the described connector 48 of the respective side in described pair of right and left connector 48,48 through connecting plate 75, and the pars intermedia of described lower connecting rod 71 is connected with the support 76 being arranged in the partition wall portion of seedling carrying base 30.The both end sides of described upper connecting rod 72 is connected with the pillar 77 in the horizontal arm or the partition wall portion that erect at seedling carrying base 30 through connecting elements 78 with pars intermedia.
Described 12 stock rice shoot support member main bodys 73 are so that at each rice shoot loading part 30a, each to arrange the mode of two supported, and described 6 quarter butt rice shoot support member main bodys 74 are so that at each rice shoot loading part 30a, each between described two stock rice shoot support member main bodys 73 to arrange the mode of supported.Thereby each rice shoot loading part 30a correspondence two stock rice shoot support member main bodys 73 and a quarter butt rice shoot support member main body 74.
As shown in Figure 6, described each stock rice shoot support member main body 73 has: downside connecting portion 73a, erects and be connected with described lower connecting rod 71 towards described lower connecting rod 71; Upside connecting portion 73b, erects and is connected with described upper connecting rod 72 towards described upper connecting rod 72; Service portion 73c, along the longitudinal carriage direction of rice shoot between described downside connecting portion 73a and described upside connecting portion 73b.The end of longitudinally transporting that makes the lower end of described service portion 73c compare the longitudinal moving belt 51 of rice shoot is positioned at the longitudinal carriage direction lower side of rice shoot, make the upper end of described service portion 73c compare rice shoot and longitudinally transport wheel body 52 and be positioned at the longitudinal carriage direction upper side of rice shoot, so that each stock rice shoot support member main body 73 is longitudinally transported wheel body 52 to the passive sphere of action 73d on the longitudinal carriage direction of rice shoot of blanket appearance seedling A from end to the described rice shoot that longitudinally transports of the longitudinal moving belt 51 of described rice shoot by described service portion 73c.
About described rice shoot support member 70, in the time being loaded in blanket appearance seedling A on each rice shoot loading part 30a and will floating from rice shoot loading surface 30b, by the service portion 73c of the two piece stock rice shoot support member main bodys 73 corresponding with rice shoot loading part 30a and with the service portion of a quarter butt rice shoot support member main body 74 corresponding to rice shoot loading part 30a, and the face side of the native portion of bed at the sphere of action 73d of the stock rice shoot support member main body 73 of the sphere of action as rice shoot support member 70 entirety to blanket appearance seedling A plays a supportive role, thereby can suppress blanket appearance seedling A floats from the rice shoot loading surface 30b of rice shoot loading part 30a, make the longitudinal moving belt 51 of rice shoot and rice shoot longitudinally transport wheel body 52 and transport reliably blanket appearance seedling A.
Described rice shoot support member 70 forms by cutting apart rice shoot support member 70a along transversely arranged 3 of body that travel.Become for the described connecting elements 78 that the pars intermedia of described upper connecting rod 72 is linked together with described pillar 77 connecting elements that is connected the adjacent a pair of upper connecting rod of cutting apart rice shoot support member 70a, 70a.The described support 76 that supports the pars intermedia of described lower connecting rod 71 becomes the connecting elements that connects the adjacent a pair of lower connecting rod of cutting apart rice shoot support member 70a, 70a.
As shown in Figure 9, for described upper connecting rod 72 and the described connecting elements 78 that each pillar 77 links together are supported for, can reconcile the relative pillar 77 of this connecting elements 78 and slide for being fastened on the connecting bolt 78a on pillar 77 by relaxing.
That is to say, for described rice shoot support member 70, even in the time using the different blanket appearance seedling A of bed soil thickness, by regulating each connecting elements 78 to make it slide and regulate upper connecting rod 72 that its setting height(from bottom) with respect to pillar 77 is changed with respect to pillar 77, and regulate described lower connecting rod 71 to make its connection height change with respect to described connector 48 and described support 76, thereby the service portion 73c of stock rice shoot support member main body 73 and quarter butt rice shoot support member main body 74 and the interval of rice shoot loading surface 30b change, can suppress reliably floating of blanket appearance seedling A, make the longitudinal moving belt 51 of rice shoot and rice shoot longitudinally transport wheel body 52 and transport reliably blanket appearance seedling A.Described lower connecting rod 71 is to carry out with respect to the variation of the connection angle of connector 48 by described connecting plate 75 with respect to the variation of the connection height of connector 48.
As shown in Figure 9, described seedling carrying base 30 has and is arranged on the operating parts 79 that the described input link 68a of described single direction rotation clutch 68 is upper and rotate freely with the described input link 68a one of described single direction rotation clutch 68.
When making it, the described operating parts 79 of operation resists described back-moving spring 66b in the time that the axle core of described power transmission shaft 61 swings, this operating parts 79 by input link 68a to push-and-pull transmission body 69 described in the body rear side pull operation of travelling and power transmission shaft 61 is rotated, with in the situation that being driven by described helical axis 44, make in the same manner rice shoot longitudinally transport driving mechanism 60 to move, the operation longitudinal moving belt 51 of rice shoot and rice shoot longitudinally transport wheel body 52 makes them to the longitudinal carriage direction rotation of rice shoot.
That is to say, in the time supplying with blanket appearance seedling A to each rice shoot loading part 30a, operate artificially the longitudinal moving belt 51 of rice shoot by the swinging operation to operating parts 79 and rice shoot longitudinally transports wheel body 52, thereby can longitudinally transport wheel body 52 by the longitudinal moving belt 51 of rice shoot and rice shoot, blanket appearance seedling A is longitudinally delivered to rice shoot conveying end 32.
As shown in Figure 3, described seedling growing portion 5 has the rice shoot amount of obtaining governor motion 80, and this rice shoot amount of obtaining governor motion 80 has the release handle 81 of the rear side that is arranged on seedling carrying base 30.
As shown in Figure 11 (a), Figure 11 (b), the described rice shoot amount of obtaining governor motion 80, except having described release handle 81, also has: the regulating shaft 82 that the body that travels is horizontal, is used for the rotating support shaft of this release handle 81; Seedling carrying base lifting arm 83, extends and rotates freely with these regulating shaft 82 one from this regulating shaft 82.Described regulating shaft 82 is supported on described rear portion frame 14 and can rotates freely.
Figure 11 (a) is the end view of the rice shoot amount of obtaining governor motion 80 under the adjustment state that increases side adjusting to the amount of obtaining.As shown in the drawing, about the rice shoot amount of obtaining governor motion 80, make its axle core around regulating shaft 82 along the guiding groove of guide rod (lever guide) 84 (with reference to Fig. 1) to rising side oscillation at operation release handle 81, the release handle 81 that makes to move to regulation adjusting position enters engagement otch that guide rod 84 has and when engagement, and the size on the longitudinal carriage direction of rice shoot with rice shoot of planting that each seedling growing mechanism 4 is taken out is set greatly.
That is to say, seedling carrying base lifting arm 83 is declined swing and regulates rail plate 31 and seedling carrying base 30 that they are declined with respect to rear portion frame 14 around the axle core of regulating shaft 82 by operation, thereby the described rotational trajectory T of seedling growing mechanism 4 becomes to the inlet of seedling conveying end 32 inlet being greater than before adjusting on the longitudinal carriage direction of rice shoot.
Figure 11 (b) is the end view of the rice shoot amount of obtaining governor motion 80 under the adjustment state that reduces side adjusting to the amount of obtaining.As shown in the drawing, about the rice shoot amount of obtaining governor motion 80, operation release handle 81 make this release handle 81 around the axle core of regulating shaft 82 along the guiding groove of guide rod 84 to decline side oscillation, the release handle 81 that makes to move to regulation adjusting position enters the engagement otch of guide rod 84 and when engagement, and the size on the longitudinal carriage direction of rice shoot with rice shoot of planting that each seedling growing mechanism 4 is taken out is set littlely.
That is to say, seedling carrying base lifting arm 83 is risen swing and regulates rail plate 31 and seedling carrying base 30 to rise with respect to rear portion frame 14 around the axle core of regulating shaft 82 by operation, thereby the described rotational trajectory T of seedling growing mechanism 4 becomes to the inlet of seedling conveying end 32 inlet being less than before adjusting on the longitudinal carriage direction of rice shoot.
As Figure 11 (a), shown in Figure 11 (b), described rice shoot longitudinally transports driving mechanism 60 to be had and is arranged on described regulating shaft 82 and longitudinally transports regulating arm 86 and be supported on the registration arm 87 on described longitudinal moving belt driving shaft 53 with described regulating shaft 82 one rotate freely, when carry out the adjusting of the rice shoot amount of obtaining by the described rice shoot amount of obtaining governor motion 80, automatically adjust, make the longitudinal upwards of movement of rice shoot being undertaken by the longitudinal moving belt 51 of described rice shoot become the rice shoot longitudinal upwards of movement corresponding with the rice shoot amount of obtaining being regulated by the rice shoot amount of obtaining governor motion 80.
As shown in Figure 13,14, described registration arm 87 be supported on longitudinal moving belt driving shaft 53 by mounting cylinder portion 87 and relatively this longitudinal moving belt driving shaft 53 rotate freely.This registration arm 87 is positioned at input arm 66a on the position of readiness of regulation with being arranged on the leading section butt of the adjusting bolt 66c on described input arm 66a.
That is to say, as shown in Figure 11 (a), in the time operating the described rice shoot amount of obtaining governor motion 80 to the rice shoot amount of obtaining increase side, the described regulating arm 86 that longitudinally transports is risen and swings around the axle core of described regulating shaft 82 by operation, the operating axis 88 that is arranged on the free end side of longitudinally transporting regulating arm 86 presses to regulate registration arm 87 to rising side oscillation to the lower face side of registration arm 87, and registration arm 87 is set as the position of readiness of input arm 66a to increase side variation than regulating forward direction longitudinally to transport with described adjusting bolt 66c butt.So, the position of readiness of input arm 66a changes the swing producing and is passed to output arm 41a via trace 67, transmission arm 65, connector 65a, input link 68a and push-and-pull transmission body 69, rotate some angles thereby laterally transport axle 41, the position of readiness of slave arm 41b regulates the forward direction rice shoot amount of obtaining to increase side variation than the rice shoot amount of obtaining thus.
As shown in Figure 11 (b), in the time operating the described rice shoot amount of obtaining governor motion 80 to the rice shoot amount of obtaining minimizing side, the described regulating arm 86 that longitudinally transports is declined and swings around the axle core of described regulating shaft 82 by operation, the described operating axis 88 that longitudinally transports regulating arm 86 regulates registration arm 87 to decline side oscillation, and registration arm 87 is set as the position of readiness of input arm 66a to reduce side variation than regulating forward direction longitudinally to transport with described adjusting bolt 66c butt.So, the position of readiness of input arm 66a changes the swing producing and is passed to output arm 41a via trace 67, transmission arm 65, connector 65a, input link 68a and push-and-pull transmission body 69, rotate some angles thereby make laterally to transport axle 41, the position of readiness of slave arm 41b regulates the forward direction rice shoot amount of obtaining to reduce side variation than the rice shoot amount of obtaining thus.
Thereby, longitudinally transport driving mechanism 60 for described rice shoot, when when regulating by the described rice shoot amount of obtaining governor motion 80, rice shoot the obtain amount of Shi Ge seedling growing mechanism 4 on blanket appearance seedling is longitudinal changes to increase side, the driving stroke of the longitudinal moving belt 51 of rice shoot is automatically changed to increasing side, make the longitudinal upwards of movement of rice shoot of the longitudinal moving belt 51 of rice shoot be increased to corresponding with the rice shoot amount of obtaining after the adjusting of the rice shoot amount of obtaining.
Longitudinally transport driving mechanism 60 for described rice shoot, when regulate by the described rice shoot amount of obtaining governor motion 80 make each seedling growing mechanism 4 at blanket appearance seedling the rice shoot amount of obtaining on longitudinally when reducing side and change, the driving stroke of the longitudinal moving belt 51 of rice shoot automatically changes to reducing side, and the longitudinal upwards of movement of rice shoot of the longitudinal moving belt 51 of rice shoot is reduced to corresponding with the rice shoot amount of obtaining after the adjusting of the rice shoot amount of obtaining.
[other embodiment]
Can adopt the embodiment of following structure to replace above-described embodiment,, longitudinal described rice shoot moving belt 51 and described rice shoot are longitudinally transported to wheel body 52 to be configured to, the multiple blanket appearance seedling A that are about 60cm in the longitudinal size of rice shoot arrange and are loaded under the state on rice shoot loading part 3a along the longitudinal carriage direction of rice shoot, blanket appearance seedling is above loaded on the longitudinal moving belt 51 of rice shoot, and blanket appearance seedling is below loaded in rice shoot and longitudinally transports on wheel body 52.This situation also can reach object of the present invention.
Can adopt sphere of action to cover the part of longitudinal carriage direction upper side of rice shoot longitudinal moving belt 51 and rice shoot longitudinally to transport the rice shoot support member of wheel body 52, or have under the state of the longitudinal carriage direction of deflection rice shoot, formed the rice shoot support member of the regulation sphere of action of rice shoot support member on the longitudinal carriage direction of rice shoot by stock rice shoot support member main body and these two members of quarter butt rice shoot support member main body, replace the such sphere of action of embodiment described above to cover the entirety of the longitudinal moving belt 51 of rice shoot on longitudinal carriage direction and rice shoot longitudinally transporting the rice shoot support member of wheel body 52.Also can reach in these cases object of the present invention.

Claims (3)

1. a walk-behind type paddy-field work machine, seedling carrying base is arranged in to upper end side in the situation of observing the body side of travelling and is positioned at the inclination attitude of the body rear side that travels than lower end side, drive seedling growing mechanism, the front that makes the seedling growing pawl that described seedling growing mechanism has moves back and forth up and down between the rice shoot conveying end of the lower end side at described seedling carrying base and field face, cut off to take out and plant with rice shoot from being loaded in blanket appearance seedling described seedling carrying base by described seedling growing mechanism, and by planting with seedling growing in the face of field of taking out, it is characterized in that
The longitudinal moving belt of rice shoot of the lower end side that is positioned at described seedling carrying base is longitudinally transported to wheel body with the rice shoot of comparing the longitudinal moving belt of this rice shoot and be configured in the longitudinal carriage direction upper side of rice shoot, drive and be freely arranged on described seedling carrying base, longitudinally transporting wheel body by the longitudinal moving belt of described rice shoot and described rice shoot longitudinally transports the blanket appearance seedling being loaded on described seedling carrying base to described rice shoot conveying end
Each rice shoot loading surface of described seedling carrying base is made up of tabular surface and flexure plane, is provided with the longitudinal moving belt of rice shoot at smooth face, and be provided with rice shoot at bending face and longitudinally transport wheel body,
This walk-behind type paddy-field work machine also has rice shoot and longitudinally transports driving mechanism, this rice shoot longitudinally transports driving mechanism to be had: body power transmission shaft transversely travels, this power transmission shaft is arranged on the rear side of described seedling carrying base, compare the longitudinal moving belt of described rice shoot and be configured in the longitudinal carriage direction upper side of rice shoot, and comparing described rice shoot longitudinally transports wheel body and is configured in the longitudinal carriage direction lower side of rice shoot, and can rotate freely, and on an end of this power transmission shaft, be provided with drive sprocket, and this drive sprocket and this power transmission shaft one rotate freely; Transmission arm, is supported on described power transmission shaft and can be rotated freely by relatively described power transmission shaft by mounting cylinder portion near of described drive sprocket; The first single direction rotation clutch, is arranged on the other end of described power transmission shaft;
In the time that seedling carrying base arrives left and right transverse shifting end of travel, laterally transporting axle is driven and makes the driving force of exporting from output arm be passed to the input link of described the first single direction rotation clutch via push-and-pull transmission body, the driving force of the transmission arm swinging via connector and this input link one is passed to the second single direction rotation clutch by trace, drive longitudinal moving belt driving shaft, by this longitudinal moving belt driving shaft, on the longitudinal carriage direction of rice shoot, drive the longitudinal moving belt of described rice shoot
In the time that driving force drives to described the first single direction rotation clutch from laterally transporting the output arm of axle, drive described power transmission shaft by this driving force, by driving chain, the driving force of this power transmission shaft is passed to and longitudinally transports wheel body drive sprocket, drive rotating support shaft, drive described rice shoot longitudinally to transport wheel body by this rotating support shaft, make this rice shoot longitudinally transport wheel body along the longitudinal carriage direction rotation of rice shoot
On the input link of described the first one-way clutch, be provided with for to the manually operated operating parts of the longitudinal moving belt of described rice shoot, and the input link one of this operating parts and this first single direction rotation clutch rotates freely,
This operating parts, is operated the longitudinal moving belt of rice shoot and rice shoot and longitudinally transports wheel body and make them to the longitudinal carriage direction rotation of rice shoot to travelling body rear side pull operation push-and-pull transmission body and make power transmission shaft rotation by input link.
2. walk-behind type paddy-field work machine as claimed in claim 1, is characterized in that,
Rice shoot longitudinally transports driving mechanism, when when regulating by the rice shoot amount of obtaining governor motion, rice shoot the obtain amount of Shi Ge seedling growing mechanism on blanket appearance seedling is longitudinal changes to increase side, the driving stroke of the longitudinal moving belt of rice shoot is automatically changed to increasing side, make the longitudinal upwards of movement of rice shoot of the longitudinal moving belt of rice shoot be increased to corresponding with the rice shoot amount of obtaining after the adjusting of the rice shoot amount of obtaining
Make each seedling growing mechanism the rice shoot amount of obtaining on longitudinally when reducing side and change, automatically changes the driving stroke of the longitudinal moving belt of rice shoot to reducing side at blanket appearance seedling when regulating by the rice shoot amount of obtaining governor motion.
3. walk-behind type paddy-field work machine as claimed in claim 1 or 2, is characterized in that,
Be provided with the passive rice shoot support member of the face side of blanket appearance seedling, float from described seedling carrying base to suppress blanket appearance seedling,
Sphere of action by described rice shoot support member on the longitudinal carriage direction of rice shoot is set as longitudinally transporting wheel body from the longitudinal moving belt of described rice shoot to described rice shoot.
CN200910177626.9A 2008-10-14 2009-09-27 Walk-behind type paddy-field work machine Expired - Fee Related CN101720590B (en)

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JP2008265251A JP2010094040A (en) 2008-10-14 2008-10-14 Walking rice transplanter
JP2008-265251 2008-10-14

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