JP4004388B2 - Reserve seedling storage device for rice transplanter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a reserve seedling storage device for a rice transplanter.
[0002]
[Prior art]
In the past, as a spare seedling storage device for rice transplanters, a spare seedling stand is mounted on a stand for a seedling stand so that it can be switched between a use posture and a storage posture, and the rice transplanter is moved and stored indoors. By switching the reserve seedling platform to the retracted position, there are things that can eliminate or reduce the outward protrusion of the reserve seedling storage device from the traveling machine body, or make the reserve seedling storage device less likely to become an obstacle to forward view. It was.
[0003]
Conventionally, in this type of spare seedling storage device, the preliminary seedling stage is placed on the preliminary seedling stage by means of a connecting pin with a head inserted through the seedling stage support part of the preliminary seedling stage support column and the attachment part of the preliminary seedling stage. The headed connecting pin is prevented from coming off with a stopper such as a beta pin that is swingably connected to the column support and is attached to the tip of the headed connecting pin.
[0004]
In addition, it has a coil spring attached across the seedling support base of the preliminary seedling support column and the mounting portion of the preliminary seedling support, and as the preliminary seedling support swings, the spring on the preliminary seedling support side By moving the connecting point, the coil spring is configured to switch between a state in which the preliminary seedling platform is urged to swing to the use posture and a state in which the spare seedling platform is oscillated and biased to the retracted position. The pre-seedling stand is positioned and held in the use posture or the retracted posture by the biasing action of the coil spring.
[0005]
Conventionally, as a preliminary seedling storage device including a seedling scoop plate storage unit, a bottom member on which a plurality of seedling scooping plates are placed, and a side frame that supports the seedling scooping plate placed on the bottom member so as not to fall down By providing a member in the seedling scoop plate storage portion, there are some that can accommodate a plurality of seedling scoop plates that are no longer necessary using the spare seedling.
[0006]
[Problems to be solved by the invention]
Conventionally, in the case where the spare seedling table is attached to the spare seedling table column so as to be swingable and switchable, in addition to the headed connecting pin, it is necessary to prepare a retaining device to be attached to the headed connecting pin as a single part. there were.
[0007]
In order to position or hold the preliminary seedling stand in the retracted position or the use position, it is necessary to prepare a coil spring for that purpose as a single component.
[0008]
In what is provided with the seedling scoop board accommodating part, conventionally, a relatively large and complicated structure was required as a member for holding the seedling scoop board.
[0009]
The object of the present invention is to prevent the headed connecting pin from coming off and to maintain the positioning of the preliminary seedling stand or to position the positioning in which the preliminary seedling support can be switched between the use posture and the retracted posture. In the thing provided with a seedling scoop board accommodation part, it is in providing a reserve seedling accommodation apparatus which can store a plurality of seedling scoop boards with a small and simple structure member, and is advantageously obtained in terms of cost. .
[0010]
[Means for Solving the Problems]
The configuration, operation, and effect of the invention according to claim 1 are as follows.
[0011]
〔Constitution〕
In the preliminary seedling storage device of the rice transplanter, which is attached to the preliminary seedling support column support so as to be able to swing and switch between the use seedling stand and the storage posture,
A headed connection that is inserted through the seedling platform support portion of the preliminary seedling platform column and the resin mounting portion of the preliminary seedling platform column and pivotably couples the preliminary seedling platform to the preliminary seedling platform column. With pins,
In order to prevent the headed connecting pin from coming off from the mounting portion, a resin retaining piece that acts as a stopper on the head of the headed connecting pin is provided. Molded so that it can be integrally molded to the mounting portion in a retaining posture located on the extension of the pin hole, and the stopper portion can be elastically deformed to a retaining release posture that is disengaged from the extension of the pin hole. is there.
[0012]
[Action]
When assembling the spare seedling stand on the spare seedling stand column, the heading connecting pin is attached to the spare seedling while the stopper part does not become an obstacle for pin insertion by elastically deforming the retaining piece to the retaining release position. Insert into the mounting part of the platform. When the headed connecting pin enters over the attaching portion of the preliminary seedling platform and the seedling platform supporting portion of the preliminary seedling platform column, the elastic deformation operation of the retaining piece is released. Then, the retaining piece part is restored to the retaining posture by the restoring force that the retaining piece part has for elastic deformation, and the headed connecting pin is attached by the stopper part to the attachment part of the preliminary seedling stage and the seedling stage support part of the preliminary seedling stage column. Prevent it from coming off from. And as the retaining means obtained as an integral part with the mounting part of the preliminary seedling stage by connecting the headed connecting pin by integrally molding the retaining part to the resin mounting part of the preliminary seedling stage It is assembled in a state in which it is prevented from coming off by the retaining piece of the.
[0013]
〔effect〕
While the spare seedling platform is swingably attached to the preliminary seedling platform support by the headed connecting pin, the retaining piece as a retaining means for the headed connecting pin is connected to the mounting portion of the preliminary seedling platform. It can be obtained at low cost by obtaining it as an integral part.
[0014]
The structure, operation, and effect of the invention according to claim 2 are as follows.
[0015]
〔Constitution〕
In the preliminary seedling storage device of the rice transplanter, each of the upper and lower stages of the preliminary seedling platform is attached to the preliminary seedling platform column so as to be swingably switchable between a lowered use posture and a raised storage posture.
An engaging part is integrally formed on the back side of the upper seedling stand, and a locking part that can be engaged and disengaged with the engaging part is integrally formed on the free end side of the lower seedling stage. The engaging portion and the engaging portion can be operated to engage with the engaging portion and the engaging portion in a state where the preliminary seedling placing stand and the lower-stage auxiliary seedling placing stand are in the raised storage posture. In a state in which the stopper is engaged, the lower stage seedling stage is configured to support the upper stage side seedling stage in a raised storage posture by using the connection point with the spare seedling stage column as a reaction point. It is.
[0016]
[Action]
When both the upper-stage standby seedling platform and the lower-stage preliminary seedling platform are in the raised storage posture and the engaging portions and the engaging portions are engaged with each other, the lower-stage standby seedling platform becomes the preliminary seedling platform. Using the connection point with the support as a reaction point, the upper stage seedling stand is stretched and supported. Since the engaging portion is integrally formed with the upper-stage spare seedling stand and the engaging portion is integrally formed with the lower-stage spare seedling stand, the posture obtained as an integral part with the upper-stage spare seedling stand. Due to the engaging part as the holding means and the engaging part as the posture holding means obtained as an integral part of the lower side seedling stage, the upper side seedling stage and the lower stage seedling stage are raised. Can be held in the retracted position.
[0017]
〔effect〕
While both the upper side seedling stand and the lower side seedling stand can be held in the raised storage posture, the engaging part and the locking part as posture holding means are obtained as an integral part of the spare seedling stand. And can be obtained inexpensively.
[0018]
The structure, operation, and effect of the invention according to claim 3 are as follows.
[0019]
〔Constitution〕
In the preliminary seedling storage device of the rice transplanter, which is attached to the preliminary seedling support column support so as to be able to swing and switch between the use seedling stand and the storage posture,
A mounting portion made of resin for connecting the preliminary seedling platform to the seedling platform support part of the preliminary seedling platform column is provided in the preliminary seedling platform,
A resin-made positioning projection for positioning the preliminary seedling platform is integrally formed with the mounting portion, and the front side of the preliminary seedling platform column as the preliminary seedling platform swings with respect to the preliminary seedling platform column. It moves to the back side and is molded so as to position the preliminary seedling stand in the use posture and the storage posture by contact with the front side or the back side of the preliminary seedling stand column.
[0020]
[Action]
When the spare seedling stage is switched to the use position or the retracted position, the positioning projection moves to the front side or the back side of the spare seedling stage support along with the mounting portion of the spare seedling stage, so that the preliminary seedling stage is in the usage position. Even when the storage posture is reached, the positioning protrusions position the standby seedling stand in the use posture or the storage posture by contact with the front side or the back side of the preliminary seedling stand column. The positioning protrusion is integrally formed with the attachment part of the preliminary seedling stage so that the positioning seeding protrusion is integrated with the attachment part of the preliminary seedling stage when the preliminary seedling stage is in the use position or in the retracted position. With the positioning protrusion as positioning means obtained as a part, the preliminary seedling stage can be positioned so as not to be shaken by running or engine vibration.
[0021]
〔effect〕
Positioning projections as positioning means can be obtained as an integral part with the mounting part of the preliminary seedling table, and can be obtained at a low cost, while the preliminary seedling table switched to the use posture or the storage posture can be positioned so as not to shake. .
[0022]
The configuration, operation, and effect of the invention according to claim 4 are as follows.
[0023]
〔Constitution〕
A plurality of seedling rake plates provided with a seedling receiving portion that rises from one end of the seedling rake plate portion, and a handle portion that extends from the upper end portion of the seedling receiving portion to the side opposite to the seedling rake plate portion side In the preliminary seedling storage device of the rice transplanter provided with the seedling scoop plate storage part for holding the sheet,
The seedling scoop plate housing portion is provided with a seedling scoop plate suspension body on which the seedling scoop plate is suspended and held by hanging the handle portion of the seedling scoop plate,
The suspension part of the seedling rake plate suspension body is positioned at a higher level as the seedling rake plate held on the tip side of the suspension part, and the seedling receiving part of the seedling rake plate held on the tip side of the suspension part However, a plurality of seed rake plates are held in an accommodation state overlapping with the seedling receiving portion of the seed rake plate held on the base end side of the hanging portion.
[0024]
[Action]
The handle portions of the plurality of seedling rake plates are sequentially hung on the hanging portion of the seedling rake plate suspension. Then, the seedling rake plate that is held at the tip end side of the hanging portion is positioned at a higher level, and the seedling receiving portion of the seedling rake plate that is held at the tip side is held at the base end side. A plurality of seedling scooping plates are suspended and held in a storage state overlapping with the top. Thereby, a plurality of seedling rake plates can be accommodated by a short hanging portion and a narrow accommodation space for the number of seedling rake plates.
[0025]
〔effect〕
A spare seedling storage device that can accommodate a plurality of seedling scooping plates in a short or small size for the number of seedling scooping plates that can accommodate the suspension part and accommodation space of the seedling scooping plate suspension body. It is cheap and compact in terms of the rake plate housing.
[0026]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIGS. 1 and 2, an engine that is self-propelled by a pair of left and right front wheels 1 and 1 and a pair of left and right rear wheels 2 and 2 that can be driven and steered, is located at the front end of the aircraft. And a driving part having an engine bonnet 3, a driving part having a driving seat 4 positioned behind the driving part, and a preliminary seedling having a plurality of upper and lower standby seedling platforms 11 on both sides of the engine bonnet 3. A seedling planting device 8 is connected to the rear part of the self-propelled machine body provided with the storage device 10 so as to be lifted and lowered by a hydraulic lift cylinder 5 via a link mechanism 6 that can swing up and down. Power is transmitted from the rear part of the traveling machine body to the seedling planting device 8 by the rotary transmission shaft 7. Grooving supported by each of a plurality of grounding floats 8a attached to the lower part of the planting machine body of the seedling planting device 8 arranged side by side in the lateral direction of the machine, provided on the rear side of the driver's seat 4 of the self-propelled machine body A fertilizer application device 9 having a vessel 9b and the like is provided, so that a riding type rice transplanter with a fertilizer application device is configured.
[0027]
That is, the seedling planting device 8 is lowered with respect to the self-propelled aircraft, and the self-propelled aircraft is caused to travel at a work level where the grounding float 8a contacts the mud surface of the field. Then, each of the plurality of seedling planting mechanisms 8b arranged side by side in the lateral direction of the machine body of the planting machine 8 of the seedling planting device 8 is one from the lower end part of the mat-like seedling placed on the seedling table 8c. The block seedlings for the stock are cut and taken out and planted on the mud surface after the ground contact float 8a is leveled.
[0028]
In addition to the fertilizer tank 9a and the plurality of grooving devices 9b, the fertilizer 9 includes a plurality of fertilizer feeding devices connected to the lower portion of the fertilizer tank 9a side by side in the lateral direction of the self-propelled machine, and each fertilizer feeding device. A plurality of fertilizer supply hoses 9d for individually connecting the feeding portions of the plurality of fertilizer feeding devices to the plurality of groovers 9b, respectively. As the seedling planting device 8 performs seedling planting work, each fertilizer feeding device feeds granular fertilizer from the fertilizer tank 9a by a set amount, and the fertilizer is supplied by the wind supplied by the electric blower 9c from the fertilizer feeding device. Feeding into the supply hose 9d, each groove producing device 9b creates a groove near the lateral side of the field mud to be seeded by the seedling planting mechanism 8b, and fertilizer from the fertilizer supply hose 9d is supplied to the inside of the groove. Going to.
[0029]
Each of the pair of left and right preliminary seedling storage devices 10 and 10 stores a spare mat-like seedling to be supplied to the seedling mounting base 8c of the seedling planting device 8 and is configured as follows.
[0030]
That is, the upper end sides are connected by a single round pipe member that is bent and formed into a shape as shown in FIGS. 1 and 2 and is connected across the engine mounting frame of the self-propelled aircraft and the aircraft part that is the transmission case. A pair of front and rear spare seedling support columns 12, 12 are prepared, and the upper and lower stages of the preliminary seedling support columns 11,... It is attached over the seedling stand column 12.
[0031]
As shown in FIG. 4, each preliminary seedling platform 11 is provided with a plurality of through holes 11a in the center, and one preliminary mat-shaped seedling is placed on a seedling scooping plate 30 as shown in FIG. The seedling placing portion 11b formed so that the longitudinal direction of the spare mat-like seedling is placed in a posture in which the longitudinal direction of the spare seedling placing stand 11 is front and rear, and the spare mat shape placed on the seedling placing portion 11b. The lateral side wall portions 11c and 11d, the front side wall portion 11e, and the rear side wall portion 11f that rise from both the lateral end portion, the front end portion, and the rear end portion of the seedling placement portion 11b so as to prevent the seedling and the seedling rake plate 30 from falling. And created by. Each of the seedling placement part 11b, both lateral side wall parts 11c and 11d, the front side wall part 11e, and the rear side wall part 11f is integrally made of synthetic resin.
[0032]
Each preliminary seedling platform 11 is provided with a pair of front and rear attachment parts 13 and 13 made of synthetic resin integrally formed on the lateral side wall portion 11c when the preliminary seedling platform 11 is molded. The pair of attachment portions 13 and 13 and the attachment structure shown in FIG. 4 to FIG.
[0033]
That is, as clearly shown in FIGS. 6 and 7, the pair of front and rear attachment portions 13 and 13 each having a pin hole 13 a in the direction along the front and rear direction of the preliminary seedling platform 11 in each of the pair of front and rear attachment portions 13 and 13. 13b, and a pair of front and rear attachment part bodies 13b, 13b of the attachment part 13 on the front side, and a headed connection inserted through the seedling support part support part 12b having the pin hole 12a of the front side seedling support pillar column 12 The pin 14 connects the front mounting portion 13 to the seedling support base support portion 12b of the front preliminary seedling support column 12 in a rotatable manner, and a pair of front and rear mounting portion main bodies 13b, 13b of the rear mounting portion 13; The rear mounting portion 13 is placed on the rear side seedling support by the headed connecting pin 14 inserted through the seedling mounting base support portion 12b having the pin hole 12a of the rear side preliminary seedling stand supporting column 12. The seedling stand supporting portion 12b of the strut 12 are rotatably connected to.
[0034]
That is, in both the left-side reserve seedling storage device 10 and the right-side reserve seedling storage device 10, each of the upper and lower stages of the seedling placement platform 11 is connected to the pair of front and rear preliminary seedling platform support columns 12, 12 with the head. When the spare mat-like seedlings are accommodated so as to be swingable up and down around the axis of the pin 14, each spare seedling stand 11 is connected to the spare seedling stand column as shown by a solid line in FIG. 3. 12 is swung downward with respect to the support seedling support column 12 so as to extend horizontally or substantially horizontally outward from the support seedling support column 12, and each of the preliminary seedling support bases 11 is scooped with a spare mat-like seedling one by one. Place it on the plate 30. At this time, each of the front and rear mounting portions 13 and 13 is supported by receiving and supporting the preliminary seedling mounting base column 12 between the front and rear mounting portion main bodies 13b. It is fixed so that it does not descend any more.
[0035]
When the vehicle is moved or stored, as shown by a two-dot chain line in FIG. 3, each preliminary seedling platform 11 is lifted and swung with respect to the preliminary seedling platform column 12, so that the preliminary seedling platform column is supported. By switching to a rising storage posture that extends upward from 12, the preliminary seedling storage device 10 can be made compact so that the preliminary seedling mounting base 11 does not protrude laterally outward from the self-propelled machine body.
[0036]
At this time, as clearly shown in FIG. 5, a resin hook-shaped engagement portion 15 formed integrally with the back surface side of the upper seedling stand 11 at the time of molding the preliminary seedling stand 11, and the lower end A through hole 16a through which the engaging portion 15 enters and exits is provided on the free end side of the side preliminary seedling stand 11 and is formed by a peripheral wall portion of the through hole 16a, so that it is integrated with the lower seedling stand 11 The engaging portion 16 to be formed is engaged. As a result, both the upper-stage standby seedling platform 11 and the lower-stage preliminary seedling platform 11 can be held in the raised storage posture. That is, the weight of the upper-stage spare seedling table 11 is applied to the engaging portion of the upper-stage preliminary seedling table 11 and the lower-stage preliminary seedling table 11 by the engaging portion 15 and the engaging portion 16. The engagement between the engaging portion 15 and the engaging portion 16 is not released, and the lower-stage side reserve seedling stand 11 supports the upper-stage side reserve seedling stand 11 as a reaction point by using the connection point with the spare seedling stand support column 12 as a reaction point. To do. When the standby seedling platform 11 is switched from the raised storage posture to the lowered usage posture, the upper-stage standby seedling platform 11 is slightly swung from the elevated storage posture toward the preliminary seedling platform column 12 so that The engagement between the joint portion 15 and the locking portion 16 can be released.
[0037]
As shown in FIG. 6 and FIG. 7, when molding each preliminary seedling platform 11,. Molded integrally. As shown in FIG. 5, the preliminary seedling support column 12 acting on the positioning protrusion 17 is operated as the mounting part main body 13 b rotates with respect to the preliminary seedling support column 12 by swinging the preliminary seedling platform 11. If the reaction force increases, the positioning projection 17 itself and the mounting portion main body 13b are elastically deformed. The positioning projection 17 gets over the preliminary seedling support column 12 and the front side of the preliminary seedling support column 12 in the lateral direction of the machine body. Move to the back side. Then, as shown by a two-dot chain line in FIG. 5, when the preliminary seedling platform 11 is in the lowered use posture, the positioning projection 17 comes into contact with the back side of the preliminary seedling platform column 12 and the preliminary seedling platform is placed. In the case where the friction force for positioning the stand 11 in the lowered use posture is exerted and the preliminary seedling stand 11 is in the raised storage posture, the positioning protrusions 17 of the preliminary seedling stand column 12 are shown in FIG. The frictional force which contacts the surface side and positions the preliminary seedling placing stand 11 in the raised storage posture is exhibited. As a result, even when the preliminary seedling stage 11 is switched to the lowered use position or when the preliminary seedling stage 11 is switched to the raised storage position, the positioning is performed by the positioning protrusion 17 so that the preliminary seedling stage table 12 is not easily rattled. Can be held in each posture.
[0038]
As shown in FIG. 3 and FIG. 6, the headed connecting pin 14 that connects the front mounting portion 13 of each preliminary seedling platform 11 is provided in one mounting portion main body 13 b of the front mounting portion 13. The head-attached connecting pin 14 that connects the rear mounting portion 13 with a retaining piece 18 is provided on one mounting portion main body 13b of the rear mounting portion 13. Thus, it is prevented from coming off so as not to come off from the attachment part main body 13a and the seedling stand support part 12b.
[0039]
That is, both the front retaining piece 18 and the rear retaining piece 18 are made of a synthetic resin tongue piece formed integrally with one mounting portion body 13b when the mounting portion 13 is molded. In addition, as shown by the solid line in FIG. 7, in a free state where no operating force is applied, the free end side stopper portion 18a is molded so as to be in a retaining posture positioned on the extended line of the pin hole 13a of the mounting portion main body 13b. As shown in FIG. 6 (a), when the spare seedling stage 11 is assembled to the preliminary seedling stage column 12, the retaining piece 18 is elastically deformed so that the stopper 18a is a pin of the mounting part main body 13b. By adopting a retaining release posture that is deviated laterally from the extended line of the hole 13a, the pin portion of the headed connecting pin 14 is reserved while preventing the stopper portion 18a from becoming an obstacle for pin insertion. Inserting the mounting portion main body 13b of the stand 11. When the pin portion of the headed connecting pin 14 enters a predetermined assembling state in which the pin portion extends over the attachment portion main body 13b of the preliminary seedling support base 11 and the seedling support base 12b of the preliminary seedling support column 12, the retaining piece 18 Release the elastic deformation operation. Then, as shown in FIG. 6B, the retaining piece 18 is restored to the retaining posture by the restoring force that the elastic retaining member 18 has for elastic deformation, and the stopper portion 18a tries to come out of the mounting portion main body 13b. It becomes a position which acts as a stopper on the head 14a of the connecting pin 14 with the head. As a result, the retaining piece 18 prevents the headed connecting pin 14 from coming off.
[0040]
As shown in FIGS. 2 and 3, the seedling rake plate hanging from the connecting member 19 connecting the upper end sides of the front and rear preliminary seedling support columns 12 in the left side preliminary seedling storage apparatus 10 to the inside of the machine body. The seedling scooping board accommodation part 20 having the body 21 is provided in the left-side spare seedling accommodation apparatus 10.
[0041]
As shown in FIG. 8, the seedling scooping plate 30 is scooped into the seedling scooping plate portion 31 having an edge 31 a for scooping the matted seedling, a seedling placing surface 31 b on which the matted seedling is placed, and the seedling scooping plate portion 31. A seedling receiving portion 32 that rises from one end side of the seedling scooping plate portion 31 so as to receive the broken mat-shaped seedling, and extends from the upper end portion of the seedling receiving portion 32 to the side opposite to the seedling scooping plate portion 31 side. It is comprised by the handle part 33. FIG.
[0042]
The seedling scoop plate suspension body 21 includes a mounting portion 21a formed by both end portions of a round bar bent into a shape as shown in FIGS. 2 and 5, and a hanging portion 21b formed by a portion other than the mounting portion 21a. The hanging portion 21b is connected to the connecting portion 19a extending from the connecting member 19 connecting the upper end sides of the front and rear preliminary seedling support columns 12 and 12 toward the inner side of the machine body. It is made to enter the through-hole 33a provided so that it can be supported by the preliminary seedling support column 12 by welding to the member 19, and the hanging part 21b is easily held by the grip part 33 of the seedling scooping plate 31. Thus, the seedling scooping plate 30 is suspended and held by engaging the handle portion 33. The suspension part 21b is supported by the preliminary seedling stage support column 12 in an installation posture in which the tip end side is in a rising inclination position located at a higher level.
[0043]
Thus, when the seedling rake plate storage unit 20 accommodates the plurality of seedling rake plates 30, the plurality of seedling rake plates 30 are reserved by sequentially hanging the handle portions 33 on the hanging portions 21 b. The space between the seedling support column 12 and the engine bonnet 3 is accommodated as an accommodation space, and is accommodated in an accommodation state as indicated by a two-dot chain line in FIG.
That is, the handle portion 33 of the seedling scooping plate 30 that hangs to the most proximal side of the hanging portion 21b abuts on the end portion of the mounting portion 21a on the hanging portion 21b side. The plate 30 is suspended and held so as not to fall off from the suspended portion 21b. Then, because of the inclined posture of the hanging portion 21b, the seedling rake plate 30 that is positioned at a higher level than the seedling rake plate 30 that hangs on the distal end side of the hanging portion 21b and that is held on the distal end side of the hanging portion 21b. The seedling receiving portion 32 is suspended and held in a state where it overlaps the upper side of the seedling receiving portion 32 of the seedling rake plate 30 held on the proximal end side of the hanging portion 21b.
[Brief description of the drawings]
[Fig. 1] Side view of the entire riding rice transplanter with fertilizer application [Fig. 2] Plan view of the entire riding rice transplanter with fertilizing device [Fig. 3] Explanatory drawing of the seedling rake plate accommodation state [Fig. 4] Spare seedling accommodation device [Fig. 5] Explanatory view of the raised storage posture of the reserve seedling stand [Fig. 6] Cross-sectional view of the reserve seedling stand mounting portion [Fig. 7] Perspective view of the attachment portion of the reserve seedling stand [Fig. 8] Seedling Perspective view of rake plate 【Explanation of symbols】
DESCRIPTION OF SYMBOLS 11 Spare seedling stand 12 Preparatory seedling stand support | pillar 12a Seedling stand support part 13 Attachment part 13a Pin hole 14 Headed connection pin 14a Head 15 of a connection pin with a head Engagement part 16 Locking part 17 Positioning protrusion 18 Retaining prevention One part 18a Stopper part 20 Seedling scoop plate accommodation part 21 Seedling scoop board suspended body 21b Hanging part 30 Seedling scoop plate 31 Seedling scoop plate part 32 Seedling receiving part 33 Handle part

Claims (3)

Each of the upper and lower stages of the preliminary seedling stage is a rice seeder's preliminary seedling storage device attached to the preliminary seedling stage column support so as to be swingably switchable between a lowered use position and an elevated storage position,
An engaging part is provided on the upper side seedling stage, and a locking part that can be engaged with and disengaged from the engaging part is provided on the free end side of the lower side seedling stage. The engaging portion and the engaging portion are engaged with each other so that the engaging portion and the engaging portion can be engaged with each other in a state where the lower stage seedling placing stand is in the raised storage posture. In the combined state, the lower stage side seedling stage is configured to support the upper stage side seedling stage in a raised storage posture by using the connection point with the preliminary seedling stage column as a reaction point,
The engaging part is located on the spare seedling stage free end side from the through-hole of the seedling placing part of the preliminary seedling stage, and the engaging part is provided on the preliminary seedling stage base end side from the locking part. Preliminary seedling storage device for rice transplanters. The preliminary seedling storage device for a rice transplanter according to claim 1, wherein the engaging portion and the engaging portion are arranged at a central portion of the preliminary seedling platform in the front-rear direction. The engaging portion and the locking portion are arranged so that the engagement between the engaging portion and the locking portion is released by swinging the preliminary seedling mounting stand on the upper stage from the raised storage posture toward the preliminary seedling stand column. The preliminary seedling storage device of the rice transplanter according to claim 1 or 2, wherein the engagement form and the attachment position of the preliminary seedling platform to the preliminary seedling platform column are set.

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