JP3455533B2 - Rice transplanter spare seedling storage device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a preliminary seedling accommodation device for rice transplanters.

[0002]

2. Description of the Related Art Conventionally, as a seedling storage device for rice transplanters,
Swing the spare seedling stand between the use position and the storage position so that the spare seedling mount can be freely switched to be mounted on the spare seedling support column, and when the rice transplanter is moved or stored indoors, the spare seedling mount should be switched to the storage position. by, or less Toka eliminate protruding outward from the traveling aircraft preliminary seedling accommodating device, there is one preliminary seedling accommodating device may or Kuku to become an obstacle to the front view.

In this type of spare seedling accommodation device, conventionally,
A coil spring mounted over the seedling support base of the auxiliary seedling support column and the mounting portion of the auxiliary seedling support base is provided, and the spring connection point on the auxiliary seedling support base side as the auxiliary seedling support base swings. Moves and the coil spring swings and urges the preliminary seedling placing table to the use posture,
By arranging the preliminary seedling placing table so that the preliminary seedling placing table is rocked and biased to the storage posture, the preliminary seedling placing table is positioned and held in the use posture or the storage posture by the biasing action of the coil spring. Was becoming.

[0004]

Conventionally, in a case where a spare seedling mount is mounted on a spare seedling support column so as to be swingably switchable, it is necessary to position or hold the spare seedling mount in a storage posture or a use posture. It was necessary to prepare the coil spring of as a separate component.

An object of the present invention, Te odor which can swing switched loaded preliminary seedling stand in the use position and storage position, pre seedling accommodated advantageously obtained by such pre備苗stand posture holding child strike surface To provide a device.

[0006]

[Means for Solving the Problems]

The structure, operation, and effect of the invention according to claim 1 are as follows.

[Structure] Each of the upper and lower stages of the preliminary seedling mounting table is set in a descending use posture.
Stands for supporting the seedling stand that can be swung up and down
In the spare seedling storage device of the rice transplanter attached to
Attach the engaging part to the secondary seedling mounting base on the step side, and the auxiliary seedling mounting base on the lower side.
Each engaging portion is provided with a locking portion that can be freely engaged and disengaged,
The above-mentioned auxiliary seedling stand on the upper side and the auxiliary seedling stand on the lower side
In the state of being raised and stored, the engaging portion and the locking portion
So that the engaging operation can be performed, and the engaging portion and the locking
The spare seedling mounting table on the lower side is
Preliminary seedling placement on the upper side using the connection point with the platform as a reaction point
Configured to support the stand in a raised and retracted position,
The locking portion is formed by the peripheral wall portion of the through hole of the preliminary seedling mounting table.
There is.

[Operation] Both the upper seedling stand and the lower seedling stand are raised.
Engage the engaging part and the locking part in the retracted posture
And the lower seedling support stand is connected to the stand.
Use the points as reaction points to support and support the upper seedling stand on the upper side.
To do.

[Effect] Both the upper seedling stand and the lower seedling stand are elevated.
Although it can be held in the storage posture,
The engaging portion and the locking portion can be obtained at low cost.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a pair of left and right front wheels 1 and 1 that can be freely operated and steered and a pair of left and right freely driven rear wheels 2 and 2 are self-propelled. An engine located at the front end of the machine body and a driving part having an engine bonnet 3 and a driving part having a driver's seat 4 located behind the driving part are provided, and auxiliary seedlings of a plurality of upper and lower stages are provided on both lateral sides of the engine bonnet 3. At the rear part of the self-propelled machine provided with the preliminary seedling accommodation device 10 having the platform 11, the seedling planting device is so operated as to be lifted and lowered by the hydraulic lift cylinder 5 via the link mechanism 6 which can be vertically rocked. 8 is connected, and power is transmitted from the rear part of the self-propelled body to the seedling planting device 8 by the rotary transmission shaft 7. Fertilizer tank 9 provided behind the driver's seat 4 of the self-propelled aircraft
a, a fertilizer application device 9 having a grooving device 9b supported on each of a plurality of grounding floats 8a that are mounted side by side in the lateral direction of the machine under the planting machine of the seedling planting device 8
Therefore, a riding type rice transplanter with a fertilizer application device is configured.

That is, the seedling planting device 8 is operated to descend with respect to the self-propelled machine, and the self-propelled machine is made to reach a working level where the grounding float 8a contacts the mud surface of the field. Then, the plurality of seedling planting mechanisms 8b, which are attached to the rear part of the planting machine of the seedling planting device 8 side by side in the lateral direction of the machine, are arranged from the lower end of the mat-like seedling placed on the seedling placing table 8c. Cut the block seedlings and take them out,
The grounding float 8a is planted on the mud surface after the soil is leveled.

The fertilizer application device 9 includes, in addition to the fertilizer tank 9a and the plurality of groovers 9b, 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. An electric blower 9c for blowing air to the feeding part of the fertilizer feeding device, and a plurality of fertilizer supply hoses 9d for individually connecting the feeding parts of the plurality of fertilizer feeding devices to the plurality of groovers 9b As the seedling planting device 8 carries out the seedling planting work, each fertilizer feeding device feeds the granular fertilizer by a set amount from the fertilizer tank 9a.
The granular fertilizer from the fertilizer feeding device is sent to the fertilizer supply hose 9d by the wind supplied by the electric blower 9c, and each grooving device 9b creates a groove near the lateral side of the field mud to be seeded by the seedling planting mechanism 8b. Then, the fertilizer from the fertilizer supply hose 9d is supplied to the inside of the groove.

The pair of left and right spare seedling accommodating devices 10, 10
Each of them stores a spare mat-like seedling to be supplied to the seedling placing table 8c of the seedling planting device 8, and is configured as follows.

That is, an engine mounting frame of a self-propelled machine body is formed by bending into a shape as shown in FIGS. 1 and 2.
A pair of front and rear spare seedling stand columns 12, 12 whose upper end sides are connected to each other are formed by a single round pipe material connected to the body part made up of a mission case. .. Each of them is attached at one end side in the width direction across the front side preliminary seedling support column 12 and the rear preliminary seedling stage support column 12.

As shown in FIG. 4, each preliminary seedling placing table 11
Is a seedling scooping plate 30 as shown in FIG. 8 in which a plurality of through holes 11a are provided in the central portion and one preliminary mat-like seedling is provided.
The seedling placing part 11b formed so that the longitudinal direction of the spare mat-like seedlings is placed in the front-back direction of the spare seedling placing table 11 while being placed on the seedling, and the spare placed on this seedling placing part 11b. Lateral side wall portions 11c and 11d and front side wall portion 1 which rise from the lateral end portions, the front end portion and the rear end portion of the seedling placing portion 11b so as to prevent the mat-like seedling and the seedling scooping plate 30 from falling off.
1e and the rear side wall portion 11f. Seedling placement portion 11b, both side wall portions 11c and 11d, front side wall portion 11
e and the rear side wall portion 11f are integrally made of synthetic resin.

Each of the spare seedling mounting bases 11 ... Has a pair of front and rear mounting portions 13 made of synthetic resin integrally molded with the lateral side wall portions 11c when the spare seedling mounting bases 11 are molded.
13 is provided and is attached to the pair of front and rear spare seedling stand columns 12, 12 by the pair of attachment portions 13 and 13 and the attachment structure shown in FIGS. 4 to 7.

That is, as clearly shown in FIGS. 6 and 7, a pair of front and rear mounting portions having pin holes 13a extending in the front-back direction of the preliminary seedling placing table 11 are provided in the front and rear mounting portions 13, 13, respectively. The main body 13b is provided with the main body 13b.
b, 13b and the pin hole 1 of the front preliminary seedling support column 12
By the headed connecting pin 14 which is inserted over the seedling table supporting portion 12b having 2a, the front mounting portion 13 is rotatably connected to the seedling table supporting portion 12b of the front preliminary seedling table supporting column 12, By a head-attached connecting pin 14 that is inserted through a pair of front and rear mounting portion main bodies 13b, 13b of the rear mounting portion 13 and the seedling mounting table supporting portion 12b having the pin holes 12a of the rear preliminary seedling mounting column 12 The rear mounting portion 13 is rotatably connected to the rear seedling supporting base 12b of the rear auxiliary seedling supporting column 12.

In other words, in both the left-hand side spare seedling accommodation device 10 and the right-hand side spare seedling accommodation device 10, the upper and lower stages of the preliminary seedling placing bases 11 are respectively attached to the pair of front and rear preliminary seedling placing base columns 12, 12. The head connecting pins 14 are connected to each other so as to be capable of swinging up and down around the shaft center, and when storing the preliminary mat-like seedlings, the preliminary seedling mounting bases 11 are used as shown in solid lines in FIG. The auxiliary matting seedlings 12 are rocked downwardly to be in a descending use posture in which the auxiliary seedlings supporting pillars 12 horizontally or substantially horizontally extend laterally outward from the auxiliary seedlings supporting pillars 12, and one auxiliary mat-like seedling is placed on each auxiliary seedling mounting board 11. Place the seedlings on the scooping plate 30 one by one. At this time, the front and rear mounting parts 13,
Each of the abutments 13 abuts against and supports the preliminary seedling support column 12 between the front and rear attachment main bodies 13b, so that the preliminary seedling support 11 is fixed in the descending use posture so as not to further descend.

When the machine body is moved or stored, as shown by a chain double-dashed line in FIG.
The auxiliary seedling storage device 10 is self-propelled by the auxiliary seedling accommodation device 10 by swinging the auxiliary seedling mounting support column 12 up and down to switch to an elevated storage posture in which the auxiliary seedling mounting support column 12 extends upward. It can be made compact so that it does not protrude laterally outward from the machine body.

At this time, as clearly shown in FIG. 5, a hook-shaped engagement portion 15 made of resin is integrally formed on the back side of the upper seedling placing stand 11 when the preliminary seedling placing stand 11 is molded.
And the engaging portion 1 on the free end side of the auxiliary seedling stand 11 on the lower end side.
5 is provided with a through hole 16a for entering and leaving the through hole 16a.
By being formed by the peripheral wall portion, the engaging portion 16 which is integrally formed on the preliminary seedling placing table 11 on the lower side is engaged. Then, the upper seedling stand 11 and the lower seedling stand 11 can be held in the raised storage posture. That is, the weight of the upper preliminary seedling placing table 11 is applied to the engaging portions of the upper preliminary seedling placing table 11 and the lower preliminary seedling placing table 11 by the engaging portions 15 and the engaging portions 16. The engagement between the engaging portion 15 and the engaging portion 16 is not disengaged, and the auxiliary seedling placing base 11 on the lower stage side supports the preliminary seedling placing base 11 on the upper stage by using the connection point of the auxiliary seedling placing base 12 as a reaction point. To do. When the preliminary seedling stand 11 is switched from the raised storage posture to the lowered use posture, the upper seedling stand 11 is slightly swung from the raised storage posture toward the preliminary seedling support column 12, so that The engagement between the mating portion 15 and the locking portion 16 can be released.

As shown in FIGS. 6 and 7, when molding the preliminary seedling mounting bases 11, ..., Positioning made of resin on the inner surface side of the front and rear mounting portion main bodies 13b in the front and rear mounting portions 13, 13 respectively. The protrusion 17 is integrally molded. As shown in FIG. 5, as the mounting section main body 13b is rotated with respect to the preliminary seedling mounting column 12 by swinging the preliminary seedling mounting column 11, the preliminary seedling mounting column 12 that acts on the positioning protrusions 17 is moved. If the reaction force from the
The self and the mounting portion main body 13b are elastically deformed, and the positioning protrusions 17 pass over the preliminary seedling support column 12 and move to the front side and the back side of the preliminary seedling support column 12 in the machine lateral direction.
Then, as shown by the chain double-dashed line in FIG.
When 1 is in the descending use posture, the positioning protrusions 17 come into contact with the back surface side of the preliminary seedling stand column 12 to exert a frictional force for positioning the preliminary seedling stand 11 in the descending use posture, When the placing table 11 is in the ascending storage posture, the positioning protrusion 17 contacts the surface side of the preliminary seedling placing column 12 as shown by the dotted line in FIG. Exerts frictional force. As a result, the positioning of the spare seedling stand 11 by the positioning projections 17 prevents the rattling of the spare seedling stand column 12 when the spare seedling stand 11 is switched to the descending use position or when it is switched to the elevated position. Can be held in each position.

As shown in FIGS. 3 and 6, the headed connecting pin 14 connecting the front mounting portions 13 of the respective preliminary seedling mounting bases 11 has one mounting portion main body in the front mounting portion 13. The head-attached connecting pin 14 connecting the rear mounting portion 13 with the retaining piece portion 18 provided on the rear mounting portion 13b is provided on one mounting portion main body 13b of the rear mounting portion 13 so as to prevent retaining. With the piece 18,
Mounting part main body 13a and seedling stand supporting part 12b, respectively
It is prevented from coming off from the inside.

That is, both the front retaining piece 18 and the rear retaining piece 18 are synthetic resin tongue pieces integrally molded with one of the attaching body 13b when the attaching portion 13 is molded. In the free state in which no operating force is applied as shown by the solid line in FIG. 7, the stopper portion 18a on the free end side is in a retaining posture in which it is positioned on the extension line of the pin hole 13a of the mounting portion main body 13b. When the auxiliary seedling placing table 11 is assembled to the auxiliary seedling placing table column 12, as shown in FIG.
Is elastically deformed so that the stopper portion 18a is laterally detached from the extension line of the pin hole 13a of the attachment portion main body 13b, and the stopper portion 18a is released.
The pin portion of the headed connecting pin 14 is inserted into the mounting portion main body 13b of the preliminary seedling stand 11 while preventing a from becoming an obstacle for pin insertion. When the pin portion of the headed connecting pin 14 is inserted into the mounting portion main body 13b of the spare seedling mounting base 11 and the seedling mounting base support portion 12b of the spare seedling mounting support 12, the retaining piece portion 18 is removed. Cancel the elastic deformation operation of. Then, as shown in FIG. 6B, the retaining piece 18 is restored to the retaining posture by the restoring force of the retaining piece 18 due to the elastic deformation, and the stopper portion 1
8a comes to a position where it acts as a stopper on the head portion 14a of the headed connecting pin 14 that is about to come out of the attachment portion main body 13b. As a result, the retaining piece 18 prevents the headed connecting pin 14 from coming off.

As shown in FIGS. 2 and 3, a seedling rake extending inside the machine body from a connecting member 19 that connects the upper end sides of the front and rear spare seedling support columns 12 in the spare seedling accommodation device 10 on the left side. The seedling scooping plate accommodating section 20 having the plate suspension 21 is provided in the left preliminary seedling accommodating device 10.

As shown in FIG. 8, the seedling scooping plate 30 includes a seedling scooping plate portion 31 having an edge 31a for scooping the matted seedling and a seedling mounting surface 31b for mounting the matt seedling, and the seedling scooping plate portion. A seedling receiving portion 32 that rises from one end side of the seedling scooping plate portion 31 so as to receive the mat-like seedlings scooped by 31, and the seedling scooping plate portion 31 side from the upper end portion of this seedling receiving portion 32 It is configured by the extending handle portion 33.

The seedling scooping plate suspension 21 includes a mounting portion 21a formed by both ends of a round bar formed by bending into a shape as shown in FIGS. 2 and 5, and a suspension formed by a portion other than this mounting portion 21a. The hanging portion 21b has a mounting posture in which the hanging portion 21b extends inward from the connecting member 19 connecting the upper end sides of the front and rear spare seedling stand columns 12, 12 to the inside of the body. The seedling support stand column 1 by welding the
2 so that the hanging portion 21b can be inserted into the through hole 33a provided for facilitating the holding portion 33 of the seedling scooping plate 31 and the hanging portion 21b can be locked to the holding portion 33. The seedling scooping plate 30 is configured to be suspended and held. The suspending portion 21b is supported by the preliminary seedling support column 12 in a mounting posture in which the hanging portion 21b is positioned in a higher level toward the front end side and has a forward rising inclination posture.

Thus, when the seedling scooping plate accommodating portion 20 accommodates a plurality of seedling scooping plates 30, the handle 33 is sequentially hung on the hanging portion 21b, so that a plurality of seedling scooping plates are obtained. The space 30 between the preliminary seedling support column 12 and the engine hood 3 is housed as a housing space, and the seedling scooping plate suspension body 21 is housed in a housing state as shown by a chain double-dashed line in FIG.
That is, the handle portion 33 of the seedling scooping plate 30 that hangs on the most proximal end side of the hanging portion 21b comes into contact with the end portion of the attachment portion 21a on the hanging portion 21b side. The plate 30 is suspended and held so as not to fall off from the suspending portion 21b. Further, because of the inclined posture of the hanging portion 21b, the seedling scooping plate 30 that is located at a higher level as the seedling scooping plate 30 that hangs on the tip end side of the hanging portion 21b and is held on the tip end side of the hanging portion 21b. The seedling receiving portion 32 of the above is suspended and held in a state of overlapping with the upper side of the seedling receiving portion 32 of the seedling scooping plate 30 held on the base end side of the hanging portion 21b.

[Brief description of drawings]

[Figure 1] Side view of the entire riding rice transplanter with fertilizer application

FIG. 2 is a plan view of the entire riding-type rice transplanter with a fertilizer application device.

FIG. 3 is an explanatory view of a state in which the seedling scooping plate is accommodated.

FIG. 4 is a plan view of a preliminary seedling storage device.

[FIG. 5] An explanatory view of the rising storage posture of the preliminary seedling placing table.

FIG. 6 is a cross-sectional view of a preliminary seedling table mounting portion.

FIG. 7 is a perspective view of a mounting portion of a preliminary seedling placing table.

FIG. 8: Perspective view of seedling rake plate

[Explanation of symbols]

11 Spare seedling stand 12 Spare seedling support stand 12a Seedling platform support 13 Attachment 13a pin hole 14-head connecting pin 14a Head of connecting pin with head 15 Engagement part 16 Locking part 16a through hole 17 Positioning protrusion 18 retaining piece 18a Stopper part 20 Seedling scoop board storage 21 Seedling scooping board suspension 21b Hanging part 30 seedling scoop 31 Seedling scoop plate 32 Seedling receiving part 33 Handle

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Emiko Sugiyama 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Corporation Sakai Factory (56) Reference JP-A-7-250517 (JP, A) JP-A-9- 191722 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) A01C 11/02

Claims (4)

(57) [Claims] 1. A plurality of upper and lower stages of spare seedling mounting bases,
A spare seedling storage device for a rice transplanter that is mounted on a spare seedling support column so that the swing can be switched between a lowering use posture and a rising storage posture. The engaging section is provided with locking parts that can be engaged and disengaged, respectively, on the preliminary seedling placing table, and when the upper seedling placing table and the lower seedling placing stand are in the raised storage posture, The auxiliary seedling mounting table on the lower stage side of the auxiliary seedling mounting post is arranged so that the joining portion and the locking portion can be engaged with each other, and the engaging portion and the locking portion are engaged with each other. The connecting point is used as a reaction point, and the auxiliary seedling stand on the upper side is configured to be supported by being stretched in a retracted posture. Spare seedling storage device. 2. The preliminary seedling accommodation device of the rice transplanter according to claim 1, wherein the engaging portion is provided on the back surface side of the preliminary seedling placing table. 3. The preliminary seedling accommodation 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 placing table in the front-rear direction. 4. Engagement so that the engagement portion and the locking portion are disengaged by swinging the upper seedling placing stand from the raised storage posture toward the preliminary seedling placing stand. The preliminary seedling accommodation device of the rice transplanter according to any one of claims 1 to 3, wherein an engagement form of the locking portion and the locking portion and a mounting position of the preliminary seedling mounting base with respect to the preliminary seedling mounting base column are set. .