CN104996043A

CN104996043A - Seedling planting device

Info

Publication number: CN104996043A
Application number: CN201510148696.7A
Authority: CN
Inventors: 田部智也; 小林鉴明
Original assignee: Kubota Corp
Current assignee: Kubota Corp
Priority date: 2014-04-21
Filing date: 2015-03-31
Publication date: 2015-10-28
Also published as: JP6272722B2; CN111133870A; JP2015204786A; CN111133870B

Abstract

The invention provides a seedling planting device. The seedling planting device is configured in a way that a support part is provided with rollers, a seedling holding bench is driven in a reciprocating and transverse feed manner along the support part (rollers) in the horizontal direction, and the seedling planting device is properly provided with the rollers and a seedling taking-out number changing part. In the seedling planting device, a support part (24) is arranged along a plurality of planting transmission cases (8) in the horizontal direction, and the support part (24) is provided with rollers (support units 40) which support the lower part of a seedling holding bench (12). The seedling planting device is provided with a seedling taking-out number changing part (28a), the seedling taking-out number changing part (28a) changes the position of the support part (24) in the vertical direction, and the number of seedlings taken out by a planting arm (10) is changed. The seedling taking-out number changing part (28a) is arranged at one transverse side of the planting transmission cases (8) in the horizontal direction, and the rollers (support units 40) are arranged at the other transverse side of the planting transmission cases (8) in the horizontal direction.

Description

Seedling cultivation device

Technical field

To the present invention relates in a kind of seedling cultivation device equipped at saddle type rice transplanter or walk-behind type paddy-field work machine the support structure of the seedling carrying base driven by reciprocal traverse feed in the lateral direction.

Background technology

About seedling cultivation device, in patent document 1, on the support component configured in left-right direction (label 30 in Fig. 5 and Figure 15 of patent document 1), there is roller (label 32 in Fig. 5 and Figure 15 of patent document 1), the lower support of seedling carrying base is on roller, and seedling carrying base is driven by reciprocal traverse feed in the lateral direction along support component (roller).

Thus, along with seedling carrying base is driven by reciprocal traverse feed, plantation arm is just taken out seedling by the seedling conveying end of support component and is planted in field by described seedling.

About seedling cultivation device, in patent document 2, the lower support of seedling carrying base (label 8 in Fig. 6 of patent document 2) is on the support component configured in left-right direction (label 52 in Fig. 6 of patent document 2), along with seedling carrying base is driven by reciprocal traverse feed in the lateral direction along support component, plantation arm is just taken out seedling by the seedling conveying end of support component and is planted in field by described seedling.

In patent document 2, guide part (label 57,58 in Fig. 6 of patent document 2) is configured in multiple position along the length direction of support component, support component is directed to position along the vertical direction and changes freely by this guide part, be configured near each guide part by seedling withdrawal amount changing unit (label 62 in Fig. 6 of patent document 1), this seedling withdrawal amount changing unit supports support component and is changed up and down along guide part the position of support component.

Thus, by seedling withdrawal amount changing unit, the position of support component (seedling carrying base) is changed up and down along guide part, thus plantation arm changes the width up and down of support component by seedling conveying end, the quantity of plantation arm to the seedling taken out changes.

About seedling cultivation device, in patent document 1, at the fixed part (label 30 in Fig. 5 and Figure 15 of patent document 1) of the seedling cultivation device configured in left-right direction, there is the 1st roller (label 32 in Figure 13 and Figure 15 of patent document 1) and the 2nd roller (label 72 in Figure 13 and Figure 15 of patent document 1), in the bottom of seedling carrying base, have the 1st track (patent document 1 Figure 13 and Figure 15 in label 29a (33)) and the 2nd track (the label 29b in Figure 13 and Figure 15 of patent document 1)).

Thus, make the 1st roller and the 1st rail contact, make the 2nd roller and the 2nd rail contact to support seedling carrying base, seedling carrying base utilizes the 1st roller and the 2nd roller and is driven by reciprocal traverse feed in the lateral direction.

In this case, the 1st its section constitution of track is U-shaped, and the 1st roller becomes the state entering the 1st track, utilizes the 1st roller and the 1st track, and the direction intersected with seedling length feed direction suppresses loosening of seedling carrying base.

About seedling cultivation device, in patent document 1, at the fixed part (label 30 in Fig. 5 and Figure 15 of patent document 1) of the seedling cultivation device configured in left-right direction, there is backing roll (label 32 in Figure 13 and Figure 15 of patent document 1) and suppress roller (label 70 in Fig. 5 and Figure 15 of patent document 1), in the bottom of seedling carrying base, there is supporting track (the label 29a (33) in Figure 13 and Figure 15 of patent document 1) and suppress track (the label 29a (33) in Figure 13 and Figure 15 of patent document 1).

Make backing roll contact with supporting track thus and support seedling carrying base, seedling carrying base utilizes backing roll and is driven by reciprocal traverse feed in the lateral direction.When seedling carrying base will float because vibration waits, utilize and suppress roller and suppress contacting of track, suppress the floating of seedling carrying base.

About seedling cultivation device, in patent document 1, there is roller (label 32 in Fig. 5 and Figure 15 of patent document 1), track (the label 29a (33) in Figure 13 and Figure 15 of the patent document 1) placing arranged in left-right direction at the back side of seedling carrying base is on roller, the lower support of seedling carrying base is on roller, and seedling carrying base utilizes roller and driven by reciprocal traverse feed in the lateral direction.

Patent document 1: Japanese Unexamined Patent Publication 2013-208082 publication

Patent document 2: Japanese Unexamined Patent Publication 2002-84839 publication

In seedling cultivation device, because plantation arm is driven in rotation with certain track, therefore, by changing up and down the position of support component (seedling carrying base), thus plantation arm changes the width up and down of support component by seedling conveying end, and plant arm and there is the seedling withdrawal amount changing unit that changes the quantity of seedling of taking out (when the position of support component (seedling carrying base) being altered to top, the quantity of the seedling that plantation arm takes out is just few, when the position of support component (seedling carrying base) being altered to below, the quantity of the seedling that plantation arm takes out is just many) (with reference to patent document 2).

Summary of the invention

Invent problem to be solved

The object of the invention is to, one seedling cultivation device is provided, consist of, when support component has roller and seedling carrying base is driven by reciprocal traverse feed in the lateral direction along support component (roller), suitably can configure roller and seedling withdrawal amount changing unit.

The object of the invention is to, one seedling cultivation device is provided, consist of, there is roller and seedling carrying base is driven by reciprocal traverse feed in the lateral direction along support component (roller) at support component, suitably can be supported the weight of seedling carrying base by seedling withdrawal amount changing unit.

In patent document 2, guide part and seedling withdrawal amount changing unit along support component length direction and be configured in multiple position, the weight of support component (seedling carrying base) by seedling withdrawal amount changing unit.

In this case, because support component has the width (length) larger than the width of seedling carrying base, therefore, support component becomes the state reaching lateral outer side from the guide part being positioned at most lateral outer side, and strengthening support component, this creates the needs of improvement on the one hand thus.

The object of the invention is to, be configured to such structure: suitably strengthen support component, the lower support of seedling carrying base becomes to be driven by reciprocal traverse feed in the lateral direction by this support component.

In patent document 1, under the state that the 1st roller enters the 1st track, the lateral part of the seedling carrying base side of the 1st roller becomes with the rear wall parts of the 1st track (in the planar portions of the 1st track intersected in the length feed direction with seedling when side is seen, rear wall parts from the end of the seedling carrying base side of the planar portions of the 1st track vertically extends) state that contacts, because of the weight of the seedling of placing on seedling carrying base, the lateral part of the seedling carrying base side of the 1st roller and the rear wall parts of the 1st track become the state pressed mutually.

Thus, along with seedling carrying base is driven by reciprocal traverse feed in the lateral direction, the lateral part of the seedling carrying base side of the 1st roller and the rear wall parts of the 1st track become the state of easily wearing and tearing, therefore there is room for improvement.

The object of the invention is to, be configured to such structure: when seedling carrying base utilizes the 1st roller and the 2nd roller and is driven reciprocally in the lateral direction, suppress the wearing and tearing of the 1st roller and the 1st regulation.

In patent document 1, owing to suppressing roller and suppressing track to be the state contacted all the time, therefore, the diameter suppressing roller is the path less than backing roll, along with seedling carrying base is driven by reciprocal traverse feed in the lateral direction, suppress roller and suppress track to become the state of easily wearing and tearing.

The object of the invention is to, be configured to such structure: when seedling carrying base utilize backing roll and in the lateral direction by the floating of reciprocal traverse feed driving, seedling carrying base by when suppressing roller to suppress, to suppressing roller and suppressing the wearing and tearing of track to suppress.

In patent document 1, the downside of roller, before and after side, horizontal side, left and right are covered (label 67,68,69 with reference in Figure 14 and Figure 15 of patent document 1) by housing.Thus, at protection roller, this is on the one hand preferably structure, but, become earth etc. and be easily deposited in state on the housing covering roller.

The object of the invention is to, be configured to such structure: have roller at holding components, seedling carrying base is when utilizing roller and driven by reciprocal traverse feed in the lateral direction, earth etc. are difficult to be deposited near roller.

For the means of dealing with problems

[I]

(formation)

1st feature of the present invention is that seedling cultivation device is formed as follows.

There are the multiple plantation transmission cases being provided with plantation arm at rear portion with separating predetermined distance in left-right direction, throughout multiple described plantation transmission case, there is support component in the lateral direction,

For making seedling carrying base be driven by reciprocal traverse feed in the lateral direction along described support component, described support component has the roller supported the bottom of described seedling carrying base,

Described plantation arm is configured to, and is driven in rotation with the track specified, and is taken out seedling by the seedling conveying end being formed at described support component and planted in field by described seedling,

Described seedling cultivation device has seedling withdrawal amount changing unit, this seedling withdrawal amount changing unit is by supporting described support component and changing up and down the position of described support component, and the position of described plantation arm by described seedling conveying end is changed up and down, thus the quantity of the seedling that described plantation arm takes out is changed

Described seedling withdrawal amount changing unit is configured at the horizontal sidepiece of left and right one side of described plantation transmission case, described roller is configured at the horizontal sidepiece of left and right the opposing party of described plantation transmission case.

(effect of effect and invention)

According to the 1st feature of the present invention, have with separating predetermined distance in left-right direction rear portion be provided with plantation arm multiple plantation transmission cases seedling cultivation device in, by seedling withdrawal amount changing unit being configured at the horizontal sidepiece of left and right one side of plantation transmission case, thus seedling withdrawal amount changing unit can separate predetermined distance in left-right direction and configure, and support component can be supported in left-right direction and suitably, seedling withdrawal amount changing unit can be utilized and the position of support component is changed up and down, suitably can change the quantity of the seedling that plantation arm takes out.

According to the 1st feature of the present invention, in said structure, support component has roller, due to the horizontal sidepiece configuration roller of the left and right the opposing party at plantation transmission case, therefore, roller separates predetermined distance in left-right direction and configures, and seedling carrying base suitably can be driven by reciprocal traverse feed in the lateral direction along support component.

Because roller is comparatively large, therefore, by roller being configured in the opposition side of seedling withdrawal amount changing unit namely at the horizontal sidepiece of left and right the opposing party of middle transmission case, thus roller and seedling withdrawal amount changing unit can not interfere with each other, and can configure compactly.

[II]

(formation)

2nd feature of the present invention is that seedling cultivation device is formed as follows.

Described seedling cultivation device has the support component configured in left-right direction, and for making seedling carrying base be driven by reciprocal traverse feed in the lateral direction along described support component, described support component has the roller supported the bottom of described seedling carrying base,

Described seedling cultivation device has plantation arm, and this plantation arm is driven in rotation with the track of regulation, and is taken out seedling by the seedling conveying end being formed at described support component and planted in field by described seedling,

Described seedling cultivation device has seedling withdrawal amount changing unit, this seedling withdrawal amount changing unit is by supporting described support component and changing up and down the position of described support component, and the position of described plantation arm by described seedling conveying end is changed up and down, thus the quantity of the seedling that described plantation arm takes out is changed, described seedling withdrawal amount changing unit is configured in multiple position along the length direction of described support component

Described roller along described support component length direction and be configured near described seedling withdrawal amount changing unit.

(effect of effect and invention)

According to the 2nd feature of the present invention, by seedling withdrawal amount changing unit is configured in multiple position along the length direction of support component in seedling cultivation device, and support component can be supported in left-right direction and suitably, seedling withdrawal amount changing unit can be utilized and the position of support component is changed up and down, suitably can change the quantity of the seedling that plantation arm takes out.

In above-mentioned structure, when support component has roller, the weight of seedling carrying base is concentrated and is put on roller.

According to the 2nd feature of the present invention, due to roller is configured near seedling withdrawal amount changing unit along the length direction of support component, therefore, when the weight of seedling carrying base concentrate put on roller, the weight of seedling carrying base bootlessly can not put on the seedling withdrawal amount changing unit near roller from roller (support component), and the weight of seedling carrying base is suitably supported by seedling withdrawal amount changing unit.

[III]

(formation)

3rd feature of the present invention is that seedling cultivation device is formed as follows.

Described seedling cultivation device has: support component, and this support component configures in left-right direction and supports the bottom of seedling carrying base; And plantation arm, this plantation arm is driven in rotation with the track of regulation, and is taken out seedling by the seedling conveying end being formed at described support component and planted in field by described seedling,

Along described support component length direction and in the configuration of multiple positions, described support component is directed to position along the vertical direction and changes guide part freely,

Described seedling cultivation device has seedling withdrawal amount changing unit, this seedling withdrawal amount changing unit is by supporting described support component and changing up and down along described guide part the position of described support component, and the position of described plantation arm by described seedling conveying end is changed up and down, thus the quantity of the seedling that described plantation arm takes out is changed, described seedling withdrawal amount changing unit is configured near guide part described in each

With multiple described guide part in be positioned at the described guide part of most lateral outer side lateral outer side separate the position of predetermined distance, there is supplemental support portion, this supplemental support portion supports described support component, and links with described seedling withdrawal amount changing unit and change up and down the position of described support component.

(effect of effect and invention)

According to the 3rd feature of the present invention, by guide part and seedling withdrawal amount changing unit are configured in multiple position along the length direction of support component in seedling cultivation device, thus support component can be supported in left-right direction and suitably, the position of seedling withdrawal amount changing unit to support component can be utilized to change up and down, suitably change the quantity of the seedling that plantation arm takes out.

According to the 3rd feature of the present invention, in said structure support component become from be positioned at the guide part of most lateral outer side and the state of stretching out from lateral outer side, supported from the part of the guide part and the support component stretched out from lateral outer side that are positioned at most lateral outer side by supplemental support portion, support component is strengthened by supplemental support portion.

Due to supplemental support, portion is configured to, support component is supported, and link with seedling withdrawal amount changing unit and the position of support component is changed up and down, therefore, as mentioned above, when utilizing the position of seedling withdrawal amount changing unit to support component to change up and down, seedling withdrawal amount changing unit and supplemental support portion can be utilized and suitably change the quantity of the seedling that plantation arm takes out.

[IV]

(formation)

4th feature of the present invention is, in the seedling cultivation device of the 3rd feature of the present invention, forms as follows.

There are the multiple plantation transmission cases being provided with described plantation arm at rear portion with separating predetermined distance in left-right direction, at left and right directions, there is support component throughout multiple described plantation transmission case,

Be configured to, configure described guide part and described seedling withdrawal amount changing unit at the horizontal sidepiece of left and right one side of described plantation transmission case, to support described support component,

Be arranged in the described plantation transmission case of most lateral outer side of right or left, described guide part and described seedling withdrawal amount changing unit and be configured in the described plantation transmission case of the left and right center side of seedling cultivation device, described supplemental support portion is configured in the lateral outer side of the seedling cultivation device as left and right the opposing party.

(effect of effect and invention)

Have with separating predetermined distance in left-right direction rear portion be provided with plantation arm multiple plantation transmission cases seedling cultivation device in, when there is support component along plantation transmission case at left and right directions, sometimes be configured to, be configured with guide part and seedling withdrawal amount changing unit at the horizontal sidepiece of left and right one side of plantation transmission case, support component is supported.

According to above-mentioned structure, be arranged in the plantation transmission case of most lateral outer side of right or left, be configured in the plantation transmission case of the left and right center side of seedling cultivation device at guide part and seedling withdrawal amount changing unit, long from the part of planting the support component that transmission case stretches out to lateral outer side (opposition side of guide part and seedling withdrawal amount changing unit).

According to the 4th feature of the present invention, in above-mentioned plantation transmission case, owing to supplemental support portion to be configured in the lateral outer side (opposition side of guide part and seedling withdrawal amount changing unit) of the seedling cultivation device as left and right the opposing party, therefore, even if long from the part of planting the support component that transmission case stretches out to lateral outer side (opposition side of guide part and seedling withdrawal amount changing unit), supplemental support portion also can be utilized the part of this support component suitably to be supported.

[V]

(formation)

5th feature of the present invention is, in the seedling cultivation device of the 4th feature of the present invention, forms as follows.

Described support component has the roller supported the bottom of described seedling carrying base, this roller along described support component length direction and be configured in multiple position, to make described seedling carrying base be driven by reciprocal traverse feed in the lateral direction along described support component,

The described guide part adjacent in described supplemental support portion and between described seedling withdrawal amount changing unit and described supplemental support portion, is configured with in multiple described roller.

(effect of effect and invention)

In seedling cultivation device, be configured to: roller along support component length direction and be configured in multiple position, by roller by the lower support of seedling carrying base in support component, seedling carrying base is driven (with reference to patent document 1) by reciprocal traverse feed in the lateral direction along support component (roller).

According to the 5th feature of the present invention, be configured in the left and right center side of seedling cultivation device at guide part and seedling withdrawal amount changing unit, supplemental support portion is configured in the plantation transmission case of the opposition side of guide part and seedling withdrawal amount changing unit, guide part and of being configured with between seedling withdrawal amount changing unit and supplemental support portion in roller, effectively can utilize guide part and the space between seedling withdrawal amount changing unit and supplemental support portion, can compact arrangement roller.

[VI]

(formation)

6th feature of the present invention, in seedling cultivation device, forms as follows.

A side in the fixed part of seedling cultivation device or seedling carrying base has: the 1st roller that the axle core in the direction intersected around the length feed direction with seedling is rotatable; And the 2nd roller that axle core around the direction in the length feed direction along seedling is rotatable,

The opposing party in the described fixed part of seedling cultivation device or described seedling carrying base has the 1st track in left-right direction and the 2nd track,

The cross sectional shape of described 1st track is configured to have the U-shaped as lower part: the planar portions in the direction intersected with the length feed direction of seedling; From the rear wall parts that the end of the described seedling carrying base side of described planar portions vertically extends; And from the front wall portion extended to the direction identical with described rear wall parts with the end of described seedling carrying base opposite side of described planar portions,

Between the front wall portion that described 1st roller enters described 1st track and rear wall parts, the planar portions of described 1st track contacts with described 1st roller,

The position of described 2nd roller is set to, described 2nd roller contacts from the direction that the length feed direction of seedling intersects with described 2nd track, thus makes the rear wall parts of the lateral part of the seedling carrying base side of described 1st roller and described 1st track separate predetermined distance,

Be configured to, utilize described 1st roller and the 2nd roller and driven by reciprocal traverse feed in the lateral direction along with described seedling carrying base, plantation arm is taken out seedling by the seedling conveying end of the bottom of described seedling carrying base and is planted in field by described seedling.

(effect of effect and invention)

According to the 6th feature of the present invention, between the front wall portion entering the 1st track at the 1st roller and rear wall parts, the planar portions of the 1st track contacts with the 1st roller and under the state of the 2nd roller and the 2nd rail contact, and seedling carrying base utilizes the 1st roller and the 1st track, the 2nd roller and the 2nd track and driven by reciprocal traverse feed in the lateral direction.

Under above-mentioned state, according to the 6th feature of the present invention, by carrying out contacting (support) with the 2nd track with direction the 2nd roller that the length feed direction of seedling intersects, thus the rear wall parts of the lateral part of the seedling carrying base side of the 1st roller and the 1st track separates predetermined distance (leaving).

Thus, the state that the rear wall parts of the lateral part of the seedling carrying base side of the 1st roller and the 1st track presses mutually can be prevented, can suppress seedling carrying base in the lateral direction by reciprocal traverse feed drive the wearing and tearing of the lateral part of the seedling carrying base side of the 1st roller that produce, can suppress seedling carrying base in the lateral direction by reciprocal traverse feed drive the wearing and tearing of the rear wall parts of the 1st track that produce.

[VII]

(formation)

7th feature of the present invention is, in the seedling cultivation device of the 6th feature of the present invention, forms as follows.

The part that described 1st roller in the planar portions of described 1st track contacts, has the replacing plate freely of excellent in wear resistance,

The part that described 2nd roller in described 2nd track contacts, has the replacing plate freely of excellent in wear resistance.

(effect of effect and invention)

Utilize the 1st roller and the 2nd roller along with seedling carrying base and driven by reciprocal traverse feed in the lateral direction, 1st roller and the 2nd roller become the state of carrying out rolling on the 1st track and the 2nd track, therefore, the part being considered to the 1st track that the 1st roller and the 2nd roller contact and the 2nd track produces wearing and tearing.

According to the 7th feature of the present invention, the part that the 1st roller in the planar portions of the 1st track contacts, there is the replacing plate freely of excellent in wear resistance, the part that the 2nd roller in the 2nd track contacts, there is the replacing plate freely of excellent in wear resistance, thus, the 1st track that the 1st roller and the 2nd roller can be suppressed to contact and the part wears of the 2nd track, can change plate as required.

[VIII]

(formation)

8th feature of the present invention, in seedling cultivation device, forms as follows.

A side in the fixed part of seedling cultivation device or seedling carrying base has: the backing roll that the axle core in the direction intersected around the length feed direction with seedling is rotatable; And the suppression roller that the axle core in the direction to intersect around the length feed direction with seedling is rotatable,

The opposing party in the described fixed part of seedling cultivation device or described seedling carrying base has supporting track in left-right direction and suppresses track,

Described backing roll is contacted with the direction of described supporting track from the length feed direction along seedling,

The position of described backing roll and suppression roller is set to, described suppression roller and described suppression track separate predetermined distance on the direction in the length feed direction along seedling,

Be configured to, utilize described backing roll and driven by reciprocal traverse feed in the lateral direction along with described seedling carrying base, plantation arm is taken out seedling by the seedling conveying end of the bottom of described seedling carrying base and is planted in field by described seedling.

(effect of effect and invention)

According to the 8th feature of the present invention, under the state that backing roll contacts with supporting track, seedling carrying base utilizes backing roll and supporting track and supports to and driven by reciprocal traverse feed in the lateral direction.In this condition, suppress roller and suppress track when side is seen, separate predetermined distance (leaving) at seedling carrying base along on the direction of putting seedling face.

Thus, can suppress seedling carrying base in the lateral direction by reciprocal traverse feed drive the suppression roller that produces and the wearing and tearing suppressing track, when seedling carrying base floats because vibration waits, utilize and suppress contacting of roller and suppression track, suppress the floating of seedling carrying base.

[IX]

(formation)

9th feature of the present invention is, in the seedling cultivation device of the 8th feature of the present invention, forms as follows.

Described backing roll and suppression roller are configured up and down,

Described supporting track and suppression track are integrally formed and are located at described backing roll and suppress between roller.

(effect of effect and invention)

According to the 9th feature of the present invention, under the state that backing roll contacts with supporting track (suppression track), seedling carrying base utilizes backing roll and supporting track (suppression track) and supports to and driven by reciprocal traverse feed in the lateral direction.When seedling carrying base will float because vibration waits, by suppressing track (supporting track) to contact from downside with suppression roller (contacting from downside with suppression track (supporting track) by suppressing roller), and suppress the floating of seedling carrying base.In this case, according to the 9th feature of the present invention, because supporting track and suppression track are integrally formed, therefore, the simplification constructed can be realized.

[X]

(formation)

10th feature of the present invention is, in the seedling cultivation device of the 9th feature of the present invention, forms as follows.

The part that described backing roll in described supporting track contacts, has the replacing plate freely of excellent in wear resistance.

(effect of effect and invention)

Utilize backing roll along with seedling carrying base and driven by reciprocal traverse feed in the lateral direction, backing roll becomes the state of rolling on supporting track, and therefore, the part being considered to the supporting track that backing roll contacts produces wearing and tearing.

According to the 10th feature of the present invention, the part that the backing roll in supporting track contacts, has the replacing plate freely of excellent in wear resistance, and therefore, the part wears of the supporting track that backing roll can be suppressed to contact, can change plate as required.

[XI]

(formation)

11st feature of the present invention, in seedling cultivation device, forms as follows.

Described seedling cultivation device has support unit, and this support unit has the rotatable roller of the axle core in the direction intersected around the length feed direction with seedling,

By the track arranged in left-right direction of the back side at seedling carrying base, from the upside placing in the direction in the length feed direction along seedling on described roller,

Be configured to, along with described seedling carrying base is driven by reciprocal traverse feed in the lateral direction along described roller, plantation arm is taken out seedling by the seedling conveying end of the bottom of described seedling carrying base and is planted in field by described seedling,

Described support unit has: back shaft, and this back shaft is along described axle core and support to rotatable by described roller; Described roller, this roller is rotatably supported in described back shaft; Rear wall parts, the part of this rear wall parts to the described seedling carrying base side of described back shaft supports; Front wall portion, this front wall portion supporting with the part of described seedling carrying base opposite side described back shaft; And connecting portion, this connecting portion connects the top of described front wall portion and rear wall parts,

The downside of described roller is opened, and right horizontal side and the left horizontal side of described roller are opened.

(effect of effect and invention)

According to the 11st feature of the present invention, when utilizing support unit, seedling carrying base is supported to when being driven by reciprocal traverse feed in left-right direction, because the downside of support unit (roller) is opened, right side and the left side of support unit (roller) are opened, therefore, even if earth etc. enter the inside of support unit, also can be removed from the downside of support unit (roller) and right side and left side and drop to below, earth etc. be difficult to the inside being deposited in support unit.

According to the 11st feature of the present invention, because support unit has front wall portion and rear wall parts, therefore, the state that other object can be avoided to contact with the roller of support unit from the front side of seedling cultivation device with rear side, can avoid the roller damaging support unit.

Accompanying drawing explanation

Fig. 1 is the unitary side view of saddle type rice transplanter.

Fig. 2 is the overall vertical view of saddle type rice transplanter.

Fig. 3 is the vertical view of seedling cultivation device.

Fig. 4 is the front view of seedling cultivation device.

Fig. 5 is the left view near seedling carrying base.

Fig. 6 is the right view near seedling carrying base.

Fig. 7 is the longitudinal cross-sectional side view near support component and support unit.

Fig. 8 is the vertical profile front view near support component and support unit.

Fig. 9 is the exploded perspective view of support component, track and support unit.

Figure 10 is the longitudinal cross-sectional side view near the 1st roller of the 1st track and support unit.

Figure 11 is the longitudinal cross-sectional side view near support component and suppression component.

Figure 12 is the stereogram of suppression component.

Figure 13 is the longitudinal cross-sectional side view near the support component of other 1st mode carried out an invention and support unit.

Figure 14 is the longitudinal cross-sectional side view near the support component of other 3rd mode carried out an invention and support unit.

Figure 15 is the vertical profile front view near the support component of other 3rd mode carried out an invention and support unit.

Figure 16 is the exploded perspective view of the support unit of other 3rd mode carried out an invention.

Symbol description

8 plantation transmission cases

10 plantation arms

12 seedling carrying bases

The fixed part of 24 support components, seedling cultivation device

24a seedling conveying end

25,26 guide parts

28a seedling withdrawal amount changing unit

28c supplemental support portion

31 rollers, the 1st roller, backing roll

32 rollers

The front wall portion of 33 support units

The connecting portion of 33a, 34a support unit

The rear wall parts of 34 support units

The back shaft of 36 support units

40 support units

41 the 1st tracks, track

Planar portions, supporting track, the suppression track of 41a the 1st track

The rear wall parts of 41b the 1st track

The front wall portion of 41c the 1st track

42 the 2nd tracks

44 plates

45 plates

48 suppress roller

The length feed direction of A1 seedling

B1 predetermined distance

B5 predetermined distance

The axle core in the direction that P1 intersects with the length feed direction of seedling

P2 is along the axle core in the length feed direction of seedling

The axle core in the direction that P3 intersects with the length feed direction of seedling

Embodiment

[1]

As shown in Figures 1 and 2, at the rear portion of the body of the trailing wheel 2 of the front-wheel 1 and left and right with left and right, there is linkage 3 and make screw mechanism 3 carry out being elevated the hydraulic cylinder 4 driven, there is the seedling cultivation device 5 of eight row cultivation patterns in the back support of linkage 3, form working in paddy field one example and saddle type rice transplanter.

As shown in Figure 1, Figure 2, Figure 3 shows, seedling cultivation device 5 comprises: a feed tank 6; Be connected with feed tank 6 and the support frame 7 extended in the lateral direction; Separate predetermined distance in the lateral direction and to be connected with support frame 7 and four of rearward extending plant transmission case 8; Rotatably be supported in the plantation right side at transmission case 8 rear portion and the rotary box 9 of left side; Be located at a pair plantation arm 10 at rotary box 9 two ends; Ground connection trowel 11 and seedling carrying base 12 etc.

As shown in Figures 1 and 3, the power being located at the engine 13 of front part of a body is delivered to feed tank 6 by power transmission shaft 14, and the power of feed tank 6 is delivered to plantation transmission case 8 by power transmission shaft 15, and rotary box 9 is driven in rotation.Thus, as described in [2] described later, along with seedling carrying base 12 is driven by reciprocal traverse feed in the lateral direction, rotary box 9 is just driven in rotation, and plantation arm 10 alternately takes out seedling from seedling carrying base 12 and planted to field by described seedling.

As shown in Figures 1 and 2, put on the 12a of seedling face eight of seedling carrying base 12 respectively and be provided with belt longitudinal feed mechanism 16.As described in [2] described later, in the way that seedling carrying base 12 is driven by reciprocal traverse feed, longitudinal feed mechanism 16 quits work and supports the seedling of seedling carrying base 12, does not drop to below to make the seedling of seedling carrying base 12.When seedling carrying base 12 reaches the end of travel of reciprocal traverse feed driving, longitudinal feed mechanism 16 is driven in rotation predetermined angular and the seedling of seedling carrying base 12 is delivered to below.

[2]

Below, the structure driven the reciprocal traverse feed of seedling carrying base 12 and the driving structure of longitudinal feed mechanism 16 are described.

As depicted in figs. 3 and 5, traverse feed axle 17 is from feed tank 6 lateral outer side extension left, and the bracket 18 be connected with support frame 7 is supported with the end of traverse feed axle 17, and the infeed mean 19 being embedded in traverse feed axle 17 is outward connected with the drosal part of seedling carrying base 12.Traverse feed axle 17 utilize be delivered to feed tank 6 power and be driven in rotation, infeed mean 19 transversely feed shaft 17 outer surface and driven by reciprocal traverse feed, seedling carrying base 12 utilizes infeed mean 19 and is driven by reciprocal traverse feed.

As shown in Fig. 3, Fig. 4, Fig. 6, longitudinally feed mechanism 16 bottom and be connected with a driving shaft 20, input arm 21 is embedded in driving shaft 20 outward by one-way clutch (not shown).Length feed axle 22, from feed tank 6 lateral outer side extension to the right, the bracket 23 be connected with support frame 7 is supported with pars intermedia and the end of length feed axle 22, and length feed axle 22 utilization is delivered to the power of feed tank 6 and is driven in rotation.Length feed axle 22 has two arm 22a, and input arm 21 is between the arm 22a of length feed axle 22.

As shown in Figures 3 and 4, when seedling carrying base 12 utilizes above structure and back and forth laterally driven, input arm 21 is driven by reciprocal traverse feed between the arm 22a of length feed axle 22, and during this, longitudinal feed mechanism 16 quits work.

When seedling carrying base 12 reaches the end of travel of reciprocal traverse feed driving, input arm 21 reaches the position of side's arm 22a of length feed axle 22, and input arm 21 utilizes the arm 22a of length feed axle 22 and is driven in rotation predetermined angular and turns back to origin-location.Thus, longitudinal feed mechanism 16 is driven in rotation predetermined angular by input arm 21 and driving shaft 20 and the seedling of seedling carrying base 12 is delivered to below.

[3]

Below, the support component 24 (being equivalent to the fixed part of seedling cultivation device 5) supporting seedling carrying base 12 bottom is described.

As shown in Figure 2, Figure 3, Figure 4, support component 24 has the length longer than the whole width of seedling carrying base 12, and configures in left-right direction along four plantation transmission cases 8.As shown in Fig. 4 and Fig. 6, at the right horizontal sidepiece (horizontal side) of plantation transmission case 8, tiltedly side is connected with the guiding parts 25 (being equivalent to guide part) sheet metal bending being become U-shaped.

As shown in Fig. 4 and Fig. 6, the part of the holding components 24 above guiding parts 25, utilize riveting nut (not shown) and be connected with guide post 26 (being equivalent to guide part) and this guide post 26 extends below oblique rear, sheet metal bending is become the engaging part 27 of U-shaped, be connected with the part of the holding components 24 above guiding parts 25.Guide post 26 inserts the upper part of guiding parts 25 and the opening portion of lower part, and holding components 24 to support to along guiding parts 25 vertically position and changes freely.

As shown in Fig. 3, Fig. 5, Fig. 6, bearing portion 8a is formed on the top of four plantation transmission cases 8, an operating axis 28 is rotatably arranged on the bearing portion 8a of four plantation transmission cases 8, be connected with motion arm 28a (being equivalent to seedling withdrawal amount changing unit) in the part of the operating axis 28 corresponding with engaging part 27, the motion arm 28a of operating axis 28 is inserted into engaging part 27.

As shown in Figure 3, seedling withdrawal amount changes bar 29 and is connected with the pars intermedia of operating axis 28 and extends above diagonally forward, and seedling withdrawal amount changes bar 29 and is inserted into the bar guide 30 be connected with support frame 7.

Change bar 29 by making seedling withdrawal amount to engage with bar guide 30 and to fix, the posture of the motion arm 28a of operating axis 28 is fixed, and support component 24 (seedling carrying base 12) is supported in the motion arm 28a of operating axis 28.Changed along bar guide 30 by the fixed position of seedling withdrawal amount being changed bar 29, the posture of the motion arm 28a of operating axis 28 changes up and down, and with this, the position of support component 24 (seedling carrying base 12) is changed up and down.

As shown in Fig. 3, Fig. 5, Fig. 6, plantation arm 10 is driven in rotation with the track of regulation, plantation arm 10 is by being formed at the seedling conveying end 24a of the nick shaped of support component 24, and plantation arm 10 takes out seedling from the seedling conveying end 24a of support component 24 and planted to field by described seedling.

As shown in Fig. 3, Fig. 5, Fig. 6, when utilizing seedling withdrawal amount change bar 29 to be changed upward the position of support component 24 (seedling carrying base 12), plantation arm 10 is diminished by the width up and down of the seedling conveying end 24a of support component 24, and the quantity of the seedling that plantation arm 10 takes out tails off.When being changed downwards the position of support component 24 (seedling carrying base 12), plantation arm 10 becomes large by the width up and down of the seedling conveying end 24a of support component 24, and the quantity of the seedling that plantation arm 10 takes out becomes many.

As shown in Fig. 3, Fig. 4, Fig. 5, support component 24 is connected with the support unit 40 of the left horizontal sidepiece being positioned at plantation transmission case 8, and support unit 40 is positioned near the motion arm 28a of operating axis 28.As shown in Fig. 7, Fig. 8, Fig. 9, support unit 40 has the 1st roller 31 (being equivalent to roller) and the 2nd roller 32 (being equivalent to roller), be connected with track 38 in left-right direction in the bottom of seedling carrying base 12, the track 38 of seedling carrying base 12 is supported on the 1st roller and the 2nd roller 31,32.

(be equivalent to the horizontal sidepiece of left and right one side seedling withdrawal amount changing unit (the motion arm 28a of operating axis 28) being configured in plantation transmission case 8, roller (the 1st roller and the 2nd roller 31,32) be configured in the state of the horizontal sidepiece of left and right the opposing party of plantation transmission case 8).

(being equivalent to state roller (the 1st roller and the 2nd roller 31,32) being configured in the vicinity of seedling withdrawal amount changing unit (the motion arm 28a of operating axis 28) along the length direction of support component 24).

Thus, support unit 40 is positioned at the below of longitudinal feed mechanism 16 along the putting seedling face 12a of seedling carrying base 12, and seedling carrying base 12 utilizes the 1st roller and the 2nd roller 31,32 and driven by reciprocal traverse feed along support component 24.

In this case, on the length direction of support component 24, even if seedling carrying base 12 is positioned at the end of travel of left, the support unit 40 of the most lateral outer side of right also can not depart from seedling carrying base 12 in horizontal side to the right, even if seedling carrying base 12 is positioned at the end of travel of right, the support unit 40 of the most lateral outer side of left also can not depart from seedling carrying base 12 in horizontal side left.

As shown in Fig. 7 and Fig. 9, in support component 24, between seedling conveying end 24a and seedling conveying end 24a, utilize Screw 50 and the plate 39 of the excellent in wear resistance of multiple stainless steels etc. is installed along the length direction of support component 24.

Thus, when seedling carrying base 12 is driven along support component 24 by reciprocal traverse feed, even if driven by reciprocal traverse feed under the state that seedling contacts with support component 24, also plate 39 can be utilized to wear and tear to prevent support component 24, when plate 39 creates wearing and tearing, Screw 50 can be taken off and plate 39 is changed.

[4]

Below, the support structure of the side, left part of support component 24 (seedling carrying base 12) is described.

As shown in Figures 3 and 4, be arranged in the plantation transmission case 8 of most lateral outer side of left, the motion arm 28a of guiding parts 25 and guide post 26, operating axis 28 is positioned at the left and right center side of seedling cultivation device 5 (right horizontal sidepiece).

As shown in Figures 3 and 4, the left part of operating axis 28 left lateral outer side extends and is formed with extension 28b, be connected with the extension 28b of operating axis 28 with the sub-arm 28c (being equivalent to supplemental support portion) of motion arm 28a same shape, sub-arm 28c is attached on the lower surface of support component 24.

As shown in Fig. 3, Fig. 5, Fig. 6 (with reference to preceding paragraph [3]), change bar 29 by making seedling withdrawal amount to engage with bar guide 30 and to fix, the posture of the motion arm 28a of operating axis 28 is fixed, and the posture of the sub-arm 28c of operating axis 28 is also fixed.Thus, support component 24 (seedling carrying base 12) is supported by the motion arm 28a of operating axis 28, and the side, left part of support component 24 (seedling carrying base 12) is supported by the sub-arm 28c of operating axis 28.

As shown in Fig. 3, Fig. 5, Fig. 6 (with reference to preceding paragraph [3]), changed along bar guide part 30 by the fixed position of seedling withdrawal amount being changed bar 29, the motion arm 28a of operating axis 28 and the posture of sub-arm 28c change up and down, together in this, the position of support component 24 (seedling carrying base 12) is changed up and down.

(be equivalent to such state: the lateral outer side being positioned at the guide part (guiding parts 25 and guide post 26) of most lateral outer side in multiple guide part (guiding parts 25 and guide post 26) separates the position of predetermined distance, have supplemental support portion (the sub-arm 28c of operating axis 28), this supplemental support portion carries out supporting also to support component 24 and seedling withdrawal amount changing unit (the motion arm 28a of operating axis 28) links and changes up and down the position of support component).

As shown in Figures 3 and 4, support component 24 is connected with support unit 40, this support unit is positioned at left horizontal sidepiece at the plantation transmission case 8 of the most lateral outer side being arranged in left, between the sub-arm 28c and the motion arm 28a of adjacent guiding parts 25, guide post 26 and operating axis 28 of operating axis 28, be configured with support unit 40.

[5]

Below, support unit 40 is described.

As shown in Fig. 7, Fig. 8, Fig. 9, there is flat front wall portion 33, rear wall parts 34 and upper wall portions 35, and there is right folding turn of bilge 33a and left folding turn of bilge 33a (being equivalent to connecting portion), the right folding turn of bilge 34a on top of rear wall parts 34 and the right folding turn of bilge 35a of the bottom of left folding turn of bilge 34a (being equivalent to connecting portion) and upper wall portions 35 and left folding turn of bilge 35a on the top of front wall portion 33, bending part 33a, 34a, 35a of front wall portion 33, rear wall parts 34 and upper wall portions 35 connect superimposedly.

As shown in Fig. 7, Fig. 8, Fig. 9, back shaft 36 is connected with along front wall portion and rear wall parts 33,34, and be supported with around rotatable the 1st roller the 31,1st roller 31 of the 1st axle core P1 (being equivalent to the axle core in the direction intersected with the length feed direction A1 of seedling) of back shaft 36 from front wall portion 33 and rear wall parts 34, the giving prominence to upward between bending part 33a, 34a, 35a of upper wall portions 35.

As shown in Fig. 7, Fig. 8, Fig. 9, in support unit 40, due in the downside of the 1st roller 31, right horizontal side and left horizontal side do not have parts, therefore, the downside of the 1st roller 31 is opened, and right horizontal side and the left horizontal side of the 1st roller 31 are opened.

As shown in Figure 7, the length feed direction A1 of so-called seedling, refers to the direction along the oblique below of seedling face of the putting 12a of seedling carrying base 12 when side is seen.

As shown in Fig. 7, Fig. 8, Fig. 9, the bending part 35b on the top of upper wall portions 35 is connected with bracket 37, and is supported with around the 2nd rotatable roller 32 of the 2nd axle core P2 (being equivalent to the axle core in the direction of the length feed direction A1 along seedling) of bracket 37.As shown in Figure 7, when side is seen, the 2nd roller 32 is positioned at the upside of the 1st roller 31, and becomes the orthogonal state of the 1st axle core P1 and the 2nd axle core P2 when side is seen.

As shown in Fig. 3, Fig. 7, Fig. 8, Fig. 9, in the position of the left horizontal sidepiece of plantation transmission case 8, support component 24 is formed opening portion 24b, in the right of opening portion 24b and left, riveting nut 51 is installed.

Thus, support unit 40 is configured in the lower surface of support component 24, to make the opening portion 24b that the 2nd roller 32 is positioned at the upside of support component 24, the 1st roller 31 enters support component 24, utilize bolt 52 bending part 33a, 34a, 35a of front wall portion 33, rear wall parts 34 and upper wall portions 35 to be connected with the riveting nut 51 of support component 24, support unit 40 is connected with support component 24 thus.

[6]

Below, track 38 is described.

As shown in Fig. 7, Fig. 8, Fig. 9, track 38 has the 1st track 41, the 2nd track 42 and the 3rd track 43 and cross section is formed as U-shaped, and is connected with the bottom of seedling carrying base 12 in left-right direction.

As shown in Fig. 7, Fig. 9, Figure 10, the cross sectional shape of the 1st track 41 is configured to have the U-shaped down as lower part: the planar portions 41a in the direction intersected with the length feed direction A1 of seedling; From the rear wall parts 41b that the end of seedling carrying base 12 side of planar portions 41a extends downwards; And from the front wall portion 41c extended to the below identical with rear wall parts 41b with the end of seedling carrying base 12 opposite side of planar portions 41a.

2nd track 42 extends upward from the rear wall parts 41b of the 1st track 41, and the 2nd track 42 carries over the length feed direction A1 of seedling.3rd track 43 rearward extends from the top of the 2nd track 42, and the direction of the 3rd track 43 intersects with the length feed direction A1 of seedling.

As shown in Fig. 7 and Figure 10, the 1st roller 31 enter from downside the 1st track 41 front wall portion and between rear wall parts 41b, 41c, the planar portions 41a of the 1st track 41 contacts on the direction of the length feed direction A1 along seedling with the 1st roller 31.

2nd roller 32 enters between the planar portions 41a of the 1st track 41 and the 3rd track 43, and the 2nd roller 32 contacts from the direction that the length feed direction A1 of seedling intersects with the 2nd track 42.

Utilize above structure, the track 38 of seedling carrying base 12 is supported on the 1st roller and the 2nd roller 31,32, seedling carrying base 12 is supported on support component 24, and rotated along the 1st track and the 2nd track 41,42 by the 1st roller and the 2nd roller 31,32, seedling carrying base 12 is driven along support component 24 by reciprocating feed.

As shown in Fig. 7 and Figure 10, the position of the 2nd roller 32 is set to, the lateral part of seedling carrying base 12 side of the 1st roller 31 and the rear wall parts 41b of the 1st track 41 separate predetermined distance B1, and the 1st roller 31 separate predetermined distance B2 with the lateral part of seedling carrying base 12 opposite side and the front wall portion 41c of the 1st track 41.

As shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, the part that the 1st roller 31 in the planar portions 41a of the 1st track 41 contacts, utilizes Screw 53 and is provided with the plate 44 of the excellent in wear resistance of multiple stainless steel along the length direction of support component 24.When plate 44 produces wearing and tearing, Screw 53 can be taken off to change plate 44.

The part that the 2nd roller 32 in the 2nd track 42 contacts, utilizes Screw 54 and is provided with the plate 45 of the excellent in wear resistance of multiple stainless steel along the length direction of support component 24.When plate 45 produces wearing and tearing, Screw 54 can be taken off to change plate 45.

[7]

Below, the structure suppressing seedling carrying base 12 to float is described

Plate 44,45 is not along one of the whole width of support component 24 long parts, but is divided into multiple.As shown in Figures 3 and 4, in track 38, between adjacent plate 45 and plate 45 and the right horizontal sidepiece of the outermost plate in right 44,45, left the left horizontal sidepiece of outermost plate 44,45, the suppression component 46 suppressing seedling carrying base 12 to float is installed.

As shown in Figures 3 and 4, when seedling carrying base 12 is driven by reciprocal traverse feed, suppression component 46 just moves together with seedling carrying base 12.

In this case, suppression component 46 moves between the position of motion arm 28a (sub-arm 28c) of Proximity operation axle 28 and the position close to support unit 40, and suppression component 46 does not contact with the motion arm 28a (sub-arm 28c) of operating axis 28 and support unit 40.

As shown in FIG. 11 and 12, suppression component 46 utilizes synthetic resin and is integrally constituted, and has: built with the installation portion 46a of nut 46c; And from the claw 46b that installation portion 46a extends.

The installation portion 46a of suppression component 46 is made to enter between the 1st, the 2nd, the 3rd track 41,42,43 in track 38, the installation portion 46a of suppression component 46 is made to be attached on the 2nd track and the 3rd track 42,43, make the claw 46b of suppression component 46 enter the downside of support component 24, from the upside of the 3rd track 43, bolt 47 is fixed suppression component 46 with the nut 46c of the installation portion 46a of suppression component 46 is fastening.

As shown in FIG. 11 and 12, when seedling carrying base 12 utilize longitudinal feed mechanism 16 and be sent to below time (the length feed direction A1 of seedling), even if the reaction force upward from seedling puts on seedling carrying base 12 and makes seedling carrying base 12 float, because the claw 46b of suppression component 46 engages with support component 24, the floating of seedling carrying base 12 also can be suppressed.

When seedling carrying base 12 is driven by reciprocal traverse feed, even if seedling carrying base 12 will float because vibration waits, because the claw 46b of suppression component 46 engages with support component 24, the floating of seedling carrying base 12 also can be suppressed.

In this case, as shown in Fig. 7 and Figure 11, under the state that the 1st roller 31 contacts with the planar portions 41a (plate 44) of the 1st track 41, be configured to, the upper surface of the claw 46b of suppression component 46 separates predetermined distance B3 downwards from the lower surface of support component 24, and the claw 46b of suppression component 46 does not contact with support component 24 usually.

[other 1st mode carried out an invention]

In the support unit 40 of above-mentioned [embodiment], as shown in figure 13, the right part of front wall portion 33 and left part have bending part 33b, and the bottom of front wall portion 33 has bending part 33c, in support unit 40, the downside of the 1st roller 31, right horizontal side and left horizontal side seal also can be configured to close.

In this case, not at front wall portion 33 but in the right part of rear wall parts 34, left part and bottom, there is bending part (not shown), in support unit 40, the downside of the 1st roller 31, right horizontal side and left horizontal side seal also can be configured to close.

[other 2nd mode carried out an invention]

In the support unit 40 and track 38 of above-mentioned [embodiment], [other 1st mode carried out an invention], also support unit 40 can be connected with seedling carrying base 12, supporting track 38 is connected with support component 24.

When so forming, in the 1st roller 31 and the 1st track 41, the 1st roller 31 being configured in upside, the planar portions 41a of the 1st track 41 being configured in downside.The cross sectional shape of the 1st track 41 is configured to have the U-shaped upward as lower part: the planar portions 41a in the direction intersected with the length feed direction A1 of seedling; From the rear wall parts 41b that the end of seedling carrying base 12 side of planar portions 41a extends upward; And from the front wall portion 41c extended to the top identical with rear wall parts 41b with the end of seedling carrying base 12 opposite side of planar portions 41a.

[other 3rd mode carried out an invention]

In above-mentioned [embodiment], [other 1st mode carried out an invention] and [other 2nd mode carried out an invention], also can remove the suppression component 46 shown in Fig. 3, Fig. 4, Figure 11, Figure 12, and support unit 40 is formed as shown below.

As shown in Figure 14, Figure 15, Figure 16, support unit 40 is identical with the support unit 40 shown in Fig. 7, Fig. 8, Fig. 9, there is front wall portion 33, rear wall parts 34, upper wall portions 35, back shaft 36 and the 1st roller 31 (being equivalent to backing roll), the downside of the 1st roller 31 is opened, and the right horizontal side of the 1st roller 31 and left horizontal side are opened.

In this case, in the support unit 40 shown in Figure 14, Figure 15, Figure 16, [other 1st mode carried out an invention] like that (with reference to Figure 13), in support unit 40, also can be configured to the downside of the 1st roller 31, right horizontal side and left horizontal side seal to close described above.

As shown in Figure 14, Figure 15, Figure 16, be connected with bracket 37 at the bending part 35b of upper wall portions 35, the 2nd axle core P2 that the 2nd roller 32 supports to around bracket 37 is rotatable.Be connected with back shaft 49 abreast at the bending part 37a upward of bracket 37 and the 1st axle core P1, the 3rd axle core P3 that the 3rd roller 48 (being equivalent to suppress roller) supports to around back shaft 49 is rotatable.In this case, the interval between the 1st roller 31 and the 3rd roller 48 is set larger than the width up and down of the planar portions 41a (plate 44) of the 1st track 41.

As shown in Figure 14 and Figure 15,1st roller 31 enter from downside the 1st track 41 front wall portion and between rear wall parts 41b, 41c, the lower surface (plate 44) of the planar portions 41a (being equivalent to supporting track) of the 1st track 41 contacts on the direction of the length feed direction A1 along seedling with the 1st roller 31,2nd roller 32 enters between the planar portions 41a of the 1st track 41 and the 3rd track 43, and the 2nd roller 32 contacts from the direction that the length feed direction A1 of seedling intersects with the 2nd track 42 (plate 45).

Under above-mentioned state, the upper surface of the planar portions 41a (being equivalent to suppress track) of the 3rd roller 48 and the 1st track 31 separates predetermined distance B5, and the lower surface of the 3rd roller 48 and the 3rd track 43 separates predetermined distance B6.

(be equivalent to such state: from the direction of the length feed direction A1 along seedling, backing roll (the 1st roller 41) being contacted with supporting track (lower surface (plate 44) of the planar portions 41a of the 1st track 41), suppressing roller (the 3rd roller 48) on the direction of the length feed direction A1 along seedling, to separate predetermined distance B5 with suppressing track (upper surface of the planar portions 41a of the 1st track 41)).

(be equivalent to such state: backing roll and suppression roller (the 1st roller and the 3rd roller 31,48) are vertically configured, supporting track and suppression track (the planar portions 41a of the 1st track 41) are integrally formed, and are located at backing roll and suppress between roller (the 1st roller and the 3rd roller 31,48)).

According to above structure, as shown in Figure 14 and Figure 15, the vibration etc. when even if (the length feed direction A1 of seedling) or seedling carrying base 12 are driven by reciprocal traverse feed when being sent to below because the seedling of seedling carrying base 12 utilizes longitudinal feed mechanism 16, and seedling carrying base 12 will be floated, upper surface contact the 3rd roller 48 also by the planar portions 41a of the 1st track 41 suppresses seedling carrying base 12 to float.

In this case, because the upper surface of the planar portions 41a of the 3rd roller 48 and the 1st track 41 separates predetermined distance B5, the lower surface of the 3rd roller 48 and the 3rd track 43 separates predetermined distance B6, therefore, the 3rd roller 48 does not contact with the upper surface of the planar portions 41a of the 1st track 41 and the lower surface of the 3rd track 43 usually.

In the supporter 40 shown in Figure 14, Figure 15, Figure 16, also can be configured to, in the downside of the 1st roller 31, there is the 3rd roller 48.When so forming, also the suppression track (not shown) with planar portions 41a (the being equivalent to supporting track) split of the 1st track 41 can be had in the upside of the 3rd roller 48 (downside of the 1st roller 31).

When the downside of the 1st roller 31 has the 3rd roller 48, also the planar portions 41a of the 1st track 41 shown in Figure 14, Figure 15, Figure 16 can be configured between the 1st roller and the 3rd roller 31,48, and by the upper surface of the 1st roller 31 placing at the planar portions 41a of the 1st track 41.In this case, the upper surface of the planar portions 41a of the 1st track 41 becomes supporting track, and the lower surface of the planar portions 41a of the 1st track 41 becomes suppression track.

In the support unit 40 shown in Figure 14, Figure 15, Figure 16 and track 38, also can be configured to, support unit 40 is connected with seedling carrying base 12, supporting track 38 is connected with support component 24.

When so forming, in support unit 40, the 1st roller 31 is positioned at upside, and the 3rd roller 48 is positioned at downside, and is configured between the 1st roller and the 3rd roller 41,48 by the planar portions 41a of the 1st track 41 be connected with seedling carrying base 12.1st roller 31 is from the upper surface of upside placing at the planar portions 41a of the 1st track 41, upper surface and the 1st roller 31 of the planar portions 41a of the 1st track 41 become the state contacted on the direction of the length feed direction A1 along seedling, and the lower surface of the planar portions 41a of the 3rd roller 48 and the 1st track 41 becomes the state separating predetermined distance B5.

In the support unit 40 shown in Figure 14, Figure 15, Figure 16, also the bending part 37a of bracket 37 can be configured to comparatively large, and on the bending part 37a of bracket 37, form the opening portion (notch part) of the degree that the 3rd roller 48 can pass through.

When so forming, as shown in Figure 14 and Figure 15, under the state that support unit 40 is connected with support component 24 (seedling carrying base 12), can from the opposition side of seedling carrying base 12 (on the left of the paper of Figure 14), 3rd roller 48 and back shaft 49 are taken off from support unit 40, the 3rd new roller 48 and back shaft 49 are installed on support unit 40.

[other 4th mode carried out an invention]

In above-mentioned [embodiment], [other 1st mode carried out an invention] ~ [other 3rd mode carried out an invention], also can have the right extension 28b that lateral outer side to the right extends in the right part of operating axis 28, and sub-arm 28c is connected with the right extension 28b of operating axis 28.

Be not in the right part of operating axis 28 and left part, there is extension 28b as described above and be connected sub-arm 28c, but be configured to that sub-arm 28c is supported in and be positioned at the plantation transmission case 8 of the most lateral outer side of right and left yet.

[other 5th mode carried out an invention]

In above-mentioned [embodiment], [other 1st mode carried out an invention] ~ [other 3rd mode carried out an invention], also the motion arm 28a of operating axis 28 can be configured at the left horizontal sidepiece of plantation transmission case 8, support unit 40 be configured at the right horizontal sidepiece of plantation transmission case 8.

When forming as described above, the right part of operating axis 28 has the right extension 28b of lateral outer side extension to the right, and is connected with the right extension 28b of operating axis 28 by sub-arm 28c.

Thus, be arranged in the plantation transmission case 8 of the most lateral outer side in right, support component 24 is connected with the support unit 40 being positioned at right horizontal sidepiece, between the sub-arm 28c and the motion arm 28a of adjacent guiding parts 28, guide post 26 and operating axis 28 of operating axis 28, configuration support unit 40.In this case, the left part of operating axis 28 also can have the left extension 28b of lateral outer side extension left, and is connected with the left extension 28b of operating axis 28 by sub-arm 28c.

[other 6th mode carried out an invention]

In above-mentioned [embodiment], [other 1st mode carried out an invention] ~ [other 5th mode carried out an invention], for the 1st axle core P1 and the 3rd axle core P3, can not be set on the direction that intersects with the angle of 90 degree and the length feed direction A1 of seedling, and be set in be less than on direction that the angle of 90 degree and the length feed direction A1 of seedling intersect, also can be set in be greater than a little on direction that the angle of 90 degree and the length feed direction A1 of seedling intersect.

In above-mentioned [embodiment], [other 1st mode carried out an invention] ~ [other 5th mode carried out an invention], also the 2nd axle core P2 can be set in the length feed direction A1 relative to seedling and the direction tilted a little, instead of be set in the direction parallel with the length feed direction A1 of seedling.

[industrial applicibility]

The present invention is not only applicable to the seedling cultivation device of eight row cultivation patterns, and is applicable to the seedling cultivation device of six row cultivation formulas (three plantation transmission case) or four lines cultivation formula (two plantation transmission cases), ten row cultivation formulas (five plantation transmission cases).

The present invention is not only applicable to the rotary seedling cultivation device that rotary box two ends have a pair plantation arm, and is applicable to the seedling cultivation device with crank-type plantation arm not having rotary box.

Claims

1. a seedling cultivation device, is characterized in that,

There are the multiple plantation transmission cases being provided with plantation arm at rear portion with separating predetermined distance in left-right direction, at left and right directions, there is support component throughout multiple described plantation transmission case,

2. a seedling cultivation device, is characterized in that,

Have the support component configured in left-right direction, for making seedling carrying base be driven by reciprocal traverse feed in the lateral direction along described support component, described support component has the roller supported the bottom of described seedling carrying base,

3. a seedling cultivation device, is characterized in that,

Have: support component, this support component configures in left-right direction and supports the bottom of seedling carrying base; And plantation arm, this plantation arm is driven in rotation with the track of regulation, and is taken out seedling by the seedling conveying end being formed at described support component and planted in field by described seedling,

4. seedling cultivation device as claimed in claim 3, is characterized in that,

There are the multiple plantation transmission cases being provided with described plantation arm at rear portion with separating predetermined distance in left-right direction, throughout multiple described plantation transmission case, there is support component in the lateral direction,

5. seedling cultivation device as claimed in claim 4, is characterized in that,

6. a seedling cultivation device, is characterized in that,

A side in the fixed part of described seedling cultivation device or seedling carrying base has: the 1st roller that the axle core in the direction intersected around the length feed direction with seedling is rotatable; And the 2nd roller that axle core around the direction in the length feed direction along seedling is rotatable,

The opposing party in the described fixed part of described seedling cultivation device or described seedling carrying base has the 1st track in left-right direction and the 2nd track,

The cross sectional shape of described 1st track is configured to have as lower part shape: the planar portions in the direction intersected with the length feed direction of seedling; From the rear wall parts that the end of the described seedling carrying base side of described planar portions vertically extends; And from the front wall portion extended to the direction identical with described rear wall parts with the end of described seedling carrying base opposite side of described planar portions,

Be configured to, between the front wall portion that described 1st roller enters described 1st track and rear wall parts, the planar portions of described 1st track contacts with described 1st roller,

7. seedling cultivation device as claimed in claim 6, is characterized in that,

8. a seedling cultivation device, is characterized in that,

A side in the fixed part of described seedling cultivation device or seedling carrying base has: the backing roll that the axle core in the direction intersected around the length feed direction with seedling is rotatable; And the suppression roller that the axle core in the direction to intersect around the length feed direction with seedling is rotatable,

The opposing party in the described fixed part of described seedling cultivation device or described seedling carrying base has supporting track in left-right direction and suppresses track,

9. seedling cultivation device as claimed in claim 8, is characterized in that,

Described backing roll and suppression roller are configured up and down,

Described supporting track and suppression track are integrally formed and are located between described backing roll and described suppression roller.

10. seedling cultivation device as claimed in claim 9, is characterized in that,

11. 1 seedling cultivation devices, is characterized in that,