JPH10248317A - Riding-type rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To supply manure to a manure hopper with excellent workability while arranging a preliminary seedling placing stand in the upper part of the manure hopper. SOLUTION: A seedling planting device is connected to the rear part of a riding-type self-running machine body, the manure hopper 17 for storing manure in a manure device is arranged between the driving seat 10 of the self-running machine body and the seedling planting device, the preliminary seedling placing stand A is arranged in the upper part of the manure hopper 17 and a manure supply opening 50 to the manure hopper 17 is formed on the preliminary seedling placing stand A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a riding type rice transplanter,
Specifically, a seedling planting device is connected to the rear part of the riding type self-propelled body, and a fertilizer hopper for fertilizer storage of a fertilizer is arranged between a driver's seat of the self-propelled body and the seedling planting device, The present invention relates to a fertilizer hopper having a reserve seedling rest placed above it.

[0002]

2. Description of the Related Art As this kind of conventional riding rice transplanter, there is known one as disclosed in Japanese Patent Application Laid-Open No. 5-76225.

When a heavy fertilizer hopper is disposed between a driver's seat and a seedling plant and a heavy loader is placed above the fertilizer hopper, a fertilizer hopper is provided. Compared to the configuration in which the hopper is equipped on the seedling planting equipment, the front-rear balance of the entire machine can be improved and the machine can be compactly packed.Moreover, it is possible to supply fertilizer to the fertilizer hopper necessary during the work. There is an advantage that the supply of the seedling to the spare seedling rest and the supply of the seedling from the spare seedling rest to the seedling planting apparatus can be performed at one place such as an operation unit having an operator's seat, and the supply operation can be performed rationally.

[0004]

However, the riding type rice transplanter having the above-mentioned advantages is still under development, and there is much room for improvement. For one thing, since the reserve seedling rest is located above the fertilizer hopper, the reserve seedling rest may obstruct the supply of fertilizer to the fertilizer hopper.

[0005] An object of the present invention is to enable the supply of fertilizer to the fertilizer hopper with good workability while disposing a reserve seedling rest above the fertilizer hopper.

[0006]

The features, functions and effects of the first aspect of the present invention are as follows.

[Features] A seedling planting device is connected to the rear part of a riding type self-propelled body, and a fertilizer hopper for storing fertilizer of a fertilizer is provided between a driver's seat of the self-propelled body and the seedling planting device. Deploy,
A reserve seedling rest is provided above the fertilizer hopper, and an opening for supplying fertilizer to the fertilizer hopper is formed in the reserve seedling rest.

[Effects] Generally, seedlings are placed on a spare seedling rest in a state where they are placed in a seedling raising box or on a rake plate for scooping the seedlings from the seedling raising box. Therefore, the stand for the reserve seedlings may not be a plate-shaped one that receives the entire lower surface of the seedlings, but may be a frame-shaped one that easily receives the front and rear ends of the plate that is easy to raise. That is, an opening vertically penetrating the center may be formed.

Focusing on the above points, according to the first aspect of the present invention, a fertilizer hopper is provided between a driver's seat of the self-propelled body and a seedling planting device connected to a rear portion of the self-propelled body. While adopting an advantageous configuration in terms of front-rear balance, compactness, and replenishment work of the aircraft, such as placing a spare seedling rest above the hopper, it is located below it through the fertilizer supply opening formed in the spare seedling rest. Since the fertilizer is supplied to the fertilizer hopper located there, the spare seedling cradle does not disturb the supply of fertilizer to the fertilizer hopper while the function of the spare ladder cradle is exhibited.

[0010] In addition, the fertilizer can be supplied to the fertilizer hopper only by forming an opening in the stand for the spare seedlings.

[Effect] Therefore, according to the first aspect of the present invention, it is possible to supply the fertilizer to the fertilizer hopper with good workability while adopting a configuration in which the reserve seedling rest and the fertilizer hopper are rationally arranged. It can be implemented with a simple structure and at low cost.

According to the second aspect of the present invention, the features, actions,
The effects are as follows.

[Features] In the features of the first invention,
The present invention is characterized in that a recess is formed in a front edge of the stand for the reserve seedling to allow a driver's seat to enter in a plan view.

According to the second aspect of the present invention, a concave portion is formed in the front edge of the spare seedling rest to allow the operator to sit on the driver's seat while driving the spare seedling rest forward. Since it is arranged close to the step, it is possible to supply the seedlings to the reserve seedling ladder standing rearward on the driving step without the operator having to bend forward greatly.

[Effects] Therefore, according to the second aspect of the present invention, it is possible to supply seedlings to the stand for spare seedlings with good workability.

According to the third aspect of the present invention, the features, actions,
The effects are as follows.

[Features] In the features of the first and second aspects of the present invention, the reserve seedling rest has a front frame in a left-right orientation and a rear frame in a left-right orientation disposed behind the front frame. The fertilizer supply opening is formed between the front frame and the rear frame.

According to the third aspect of the present invention, the spare seedling rest is a frame structure having a front frame and a rear frame, and the opening between the front frame and the rear frame is a fertilizer supply opening. The supply opening can be made large so that its front-rear width is slightly smaller than the front-rear width of the reserve seedling rest.

[Effects] Therefore, according to the third aspect of the present invention, it is possible to facilitate the operation of supplying the fertilizer to the fertilizer hopper through the fertilizer supply opening.

According to the fourth aspect of the present invention, the features, actions,
The effects are as follows.

[Features] In the features of the first invention, the second invention, and the third invention, a fertilizer supply tool to the fertilizer hopper is moved to a fertilizer supply position on the fertilizer hopper on the reserve seedling rest. There is a guide to guide.

[Operation] According to the fourth aspect of the present invention, the fertilizer supply tool is moved and guided to the fertilizer supply position by the guide provided on the spare seedling rest, so that the fertilizer can be easily transported to the fertilizer supply position. Can be done.

[Effects] Therefore, according to the fourth aspect of the present invention, the workability of supplying the fertilizer to the fertilizer hopper can be improved.

According to the fifth aspect of the present invention, the features, functions,
The effects are as follows.

[Features] In the features of the fourth invention,
The said fertilizer supply tool is provided with the fertilizer bag mounting part with which the front and rear center part was depressed.

According to the fifth aspect of the invention, since the front and rear central portions of the fertilizer supply device are recessed fertilizer bag mounting portions, the fertilizer supply device, that is, the front and rear direction of the fertilizer bag with respect to the fertilizer hopper. Positioning can be performed easily and quickly, and the fertilizer bag can be stably placed.

[Effect] Therefore, according to the fifth aspect of the present invention, the supply of fertilizer to the fertilizer hopper can be performed with good workability.

According to the sixth aspect of the present invention, the features, actions,
The effects are as follows.

[Features] The first invention, the second invention,
In the features of the third invention, the fourth invention, and the fifth invention,
The fertilizer hopper is provided with an upper lid that can be opened and closed by swinging around a horizontal axis, and the upper lid that has opened the positional relationship between the fertilizer hopper and the reserve seedling cradle has a fertilizer supply opening. The point is that it is set so as to be supported on the periphery.

[Operation] According to the sixth aspect of the present invention, since a fertilizer hopper having a top cover that can be opened and closed is provided as a fertilizer hopper, the fertilizer is supplied as a form of fertilizer supply to the fertilizer hopper through the fertilizer supply opening. A simple form of supply can be adopted.

In addition, the upper lid is opened and closed by swinging around a left-right axis, and when the upper lid is opened, the opened upper lid is supported by the periphery of the fertilizer supply opening. Thus, a structure for holding the upper lid in the open position is not required, and no operation is required.

[Effect] Therefore, according to the sixth aspect of the present invention, it is possible to easily supply the fertilizer to the fertilizer hopper and to easily maintain the upper lid open and to supply the fertilizer to the fertilizer hopper. Can be performed with good workability, and can be implemented with a simple structure and at low cost.

[0033]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a riding type rice transplanter is provided with a 6-row planting type seedling planting device 2 at a rear portion of a riding type self-propelled body 1 via a link mechanism 3 so as to be able to move up and down. A hydraulic cylinder 4 for coupling and raising and lowering the seedling planting apparatus 2; and a fertilizer apparatus 5 for applying powdery and granular fertilizer beside the planted seedlings of each row.
The reserve seedling stand A is provided so that fertilization can be performed simultaneously with planting. S is a transmission shaft for transmitting power from the self-propelled body 1 to the seedling planting apparatus 2.

The self-propelled body 1 has a body frame 8 having a pair of left and right steering drive front wheels 6 and a pair of left and right drive rear wheels 7.
, An engine 9, a driver's seat 10, a steering handle 11, and an operation step 12 are assembled. The driver's seat 10, the steering wheel 11, and the driving step 12 constitute a riding driver.

The seedling planting apparatus 2 is juxtaposed in the left-right direction on a planting frame F which is rotatably mounted on the self-propelled body 1 via the link mechanism 3. Three ground floats 13 that level the mud surface to be planted by sliding on the mud surface, a seedling rest 14 that reciprocates in a set stroke in the left and right direction, and interlocks with the movement of the seed rest 14. The operation is performed by assembling six rotary planting mechanisms 15 for taking out the seedlings one by one from the seedling rest 14 and planting them on the muddy surface to be planted. Then, the two central planting mechanisms 15 are simultaneously driven as a set, the two right and left planting mechanisms 15 are simultaneously driven as a group, and the two left and right other planting mechanisms 15 are simultaneously driven as a group. It has become
A planting clutch (not shown) for intermittently transmitting and receiving power to each set is provided. In other words, the seedling planting apparatus 2 performs the planting of the six-row plantation by operating all the planting mechanisms 15, the two centering plants and the two planting mechanisms 15 on the left and right sides.
Is operated to perform four-row planting on the right and left sides, and by operating two planting mechanisms 15 on the right and left sides, two-row plants are planted on the right and left sides.
By operating two planting mechanisms 15 on one side and on the other side on the left and right, four-row planting on the other side on the left and right sides is performed, and by operating two planting mechanisms 15 on the other side on the left and right sides, two-row planting on the other side on the right and left sides is performed. It is supposed to do.

As shown in FIG. 2, the fertilizer applicator 5
Two fertilizer hoppers 17 for storing fertilizer provided with a feed-out portion 16 corresponding to three planting strips at a lower portion, and a groove for fertilizer application formed on the side of each planting strip, and the feed-out portion 16 is formed.
And a fertilizer supplied into the ditch from the feeding means via a feeding means.

As shown in FIG. 4, the two fertilizer hoppers 17 are arranged between the driver's seat 10 and the seedling plant 2 side by side in the left-right direction. Upper lid 17A that can be opened and closed freely by swinging around axis P1
It has. And it is attached to the body frame 8. The attachment means is a means for fixing a pair of right and left columns 19 to the body frame 8, supporting the horizontal frame 20 in a left-right posture on the columns 19, and fixingly attaching the extending portion 16 to the horizontal frame 20.

As shown in FIG. 3, the feeding portion 16 intermittently moves a feeding roll 22 having a plurality of recesses 21 for entering fertilizer at a predetermined pitch in the outer peripheral portion at a predetermined pitch in the circumferential direction. By rotating around the orientation axis P2, the fertilizer in the fertilizer hopper 17 is configured to be intermittently taken out to the take-out chamber 16a by a fixed amount, and the surface of the feed roll 22 is slid along with the rotation of the feed roll 22. It has a scraping brush 23 that scrapes the concave portion 21 by contact with it to accurately feed out a fixed amount. The two central rolls of the feeding rolls 22 are interlocked via an interlocking shaft 24C so as to rotate integrally, and the two rolls on the left and right sides and the two rolls on the other side are also linked so as to rotate integrally. They are linked via shafts 24L and 24R. Each interlocking axis 24
Each of C, 24L, and 24R is provided in the take-out chamber 16.
a is supported by a case 16A forming a.

As shown in FIGS. 1 and 2, the means for driving the feeding roll 22 is integrally provided with a feeding drive shaft 27 which is interlocked with a power take-out shaft 25 of the self-propelled body 1 via a bevel gear mechanism 26. The rotating arm 28 includes a rotating arm 28 attached in a rotating state and an operation arm 30 rotatably attached to a long transmission shaft 29 in a left-right orientation that is rotatably supported around a left-right axis P3. A one-way clutch 32 that is interlocked and connected via a rod 31 so as to swing one reciprocation each time it rotates, and transmits only the forward swing of the operation arm 30 to a long transmission shaft 29 and rotates in one direction at a predetermined pitch. , And each interlocking shaft 24C, 24L, 24R
Transmission gear 34 meshing with and interlocking with a passive gear 33
The fertilizer application clutch 35 is provided for intermittently intermittently transmitting power from the long transmission shaft 29 to the fertilizer. The fertilizing clutch 35 is linked with a corresponding planting clutch. In other words, the feeding unit 1 corresponding to the activated planting mechanism 15
6 is operated, and the feeding section 16 corresponding to the inoperative implantation mechanism 15 is not operated.

The supply means is a means for transporting the fed fertilizer by air flow. As shown in FIGS. 1 and 2, the feeding means feeds the fertilizer from the lower part of the take-out chamber 16a of each feeding part 16 to the corresponding groove forming device 18. A flexible transfer pipe 36 that guides the transfer of fertilizer, a blower 38 that is driven by an electric motor 37 to generate an air flow for transferring the fertilizer, and distributes and supplies air from the blower 38 to the extraction chamber 16a of each feeding unit 16. And a blower distribution duct 39 to be used. Reference numeral 40 denotes a discharge pipe for discharging the fertilizer from the take-out chamber 16a.
Reference numeral 2 denotes a switching valve that opens and closes the fertilizer delivery port to the transfer pipe 36 and the fertilizer delivery port to the discharge pipe 40 in the removal chamber 16a. Therefore, the switching valve 42
By closing the fertilizer feed port to the discharge pipe 40 by opening the fertilizer feed port to the transfer pipe 36, the fertilizer fed out to the take-out port 16a is fed to the transfer pipe 36 and supplied to the groove generator 18. Conversely, while the fertilizer delivery port to the transfer pipe 36 is closed by the switching valve 42, the fertilizer delivery port to the discharge pipe 40 is opened, so that the fed fertilizer is discharged to the discharge pipe 4.
It can be sent to zero and discharged. The air distribution duct 39 is attached to the horizontal frame 20 via a bracket 43. The reason why the transfer pipe 36 is flexible is to allow the raising and lowering of the seedling planting apparatus 2 by flexing.

As shown in FIGS. 1 and 5, the reserve seedling rest A is disposed above the fertilizer hopper 17 and is supported by the body frame 8 via a support C. As shown, a fertilizer supply opening 50 for supplying fertilizer to the fertilizer hopper 17 from above is provided. More specifically, a front frame 52 having a left-right posture provided with a concave portion 51 into which the driver's seat 10 is inserted in a plan view, a rear frame 53 arranged right and left behind the rear frame 53, and a front-rear frame disposed between them. Intermediate frame 41, a pair of left and right side frames 54 connecting the three members at both left and right ends, and a reinforcing frame connecting the intermediate portions of the front frame 52 and the rear frame 53 in a state of bypassing the lower part of the fertilizer hopper 17. 55, and a portion located on the left and right outside of the concave portion 51 is a seedling placing portion. The fertilizer supply opening 50 is formed between the front frame 52 and the rear frame 53. In other words, the space between the front frame 52 and the rear frame 53 is the fertilizer supply opening 50. Further, as shown in FIG. 5, when the upper lid 17A of the fertilizer hopper 17 is opened, the opened upper lid 17A is connected to the fertilizer supply opening 50 as shown in FIG. Around, that is,
The rear frame 53 is set so as to be supported on the back.

[Another Embodiment] In the above embodiment,
As shown in FIG. 6, the fertilizer supply tool 62 including the wheel 60 and the fertilizer bag placing portion 61 is guided to move to the fertilizer supply position on the fertilizer hopper 17, that is, the fertilizer supply tool 62 can be moved in the left-right direction. A pair of guides 63 is provided on the stand A for preliminary seedlings. The front one of the guides 63 is constituted by the intermediate frame 41, and the rear one is constituted by the rear frame 53. 64 is the upper lid 1 that has been opened.
It is a lid support bar that leans and supports 7A. According to this configuration, the fertilizer supply tool 62 with the upper lid 17A opened.
The fertilizer can be supplied to the entire area of the fertilizer hopper 17 almost uniformly by dropping the fertilizer from the open mouth of the fertilizer bag 65 while moving the fertilizer from side to side.

In the above another embodiment, as shown in FIG. 7, the fertilizer bag mounting portion 61 of the fertilizer supply tool 62 has a concave front and rear central portion to stabilize the mounting of the fertilizer bag 65. May be.

In the above embodiment, the intermediate frame 4
Step 1 is omitted.

The frame structure forming the stand A for the spare seedlings can be changed as appropriate.

In the above embodiment, the stand A for the spare seedlings has a frame structure (frame structure), but the stand A for the spare seedlings may be plate-shaped. in this case,
The plate is formed with the fertilizer supply opening 50.

In the above embodiment, the riding type rice transplanter of the six-row type is shown, but the present invention is applied to a riding type rice transplanter of the five or less type and the seven-or more type. It can also be applied to a riding type rice transplanter.

[Brief description of the drawings]

FIG. 1 is a side view of a riding rice transplanter.

FIG. 2 is a rear view of the fertilizer application device.

FIG. 3 is a longitudinal sectional side view of a feeding portion.

FIG. 4 is a plan view showing a relationship between a driver's seat, a fertilizer hopper, and a spare seedling rest.

FIG. 5 is a longitudinal side view showing a relationship between a fertilizer hopper and a seedling rest.

FIG. 6 is a longitudinal sectional side view showing a fertilizer hopper and a reserve seedling rest according to another embodiment.

FIG. 7 is a longitudinal sectional side view showing a fertilizer hopper and a reserve seedling rest according to another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Self-propelled body 2 Seedling planting apparatus 5 Fertilizer application apparatus 10 Driver's seat 17 Fertilizer hopper 17A Upper lid 50 Fertilizer supply opening 51 Depression 52 Front frame 53 Rear frame 62 Fertilizer supply tool 63 Guide P1 Left-right axis A Table

Claims (6)

[Claims] 1. A seedling planting device is connected to a rear portion of a riding type self-propelled body, and a seedling planting device is provided between a driver seat of the self-propelled body and a seedling planting device.
A fertilizer hopper for storing fertilizer in the fertilizer application device, a reserve seedling rest is provided above the fertilizer hopper, and a riding rice planting having an opening for supplying fertilizer to the fertilizer hopper is formed in the reserve seedling rest. Machine. 2. The riding type rice transplanter according to claim 1, wherein a recess is formed at a front edge of the spare seedling rest to allow a driver's seat to enter in a plan view. 3. The reserve seedling rest has a front frame in a left-right orientation and a rear frame in a left-right orientation disposed behind the front frame, and the fertilizer supply opening includes a front frame and a rear frame. 3. The method according to claim 1, wherein
The riding rice transplanter described. 4. A guide for moving the fertilizer supply tool to the fertilizer hopper to a fertilizer supply position on the fertilizer hopper is provided on the reserve seedling rest.
Riding rice transplanter according to the item. 5. The riding type rice transplanter according to claim 4, wherein the fertilizer supply tool has a fertilizer bag mounting portion whose front and rear center portions are depressed. 6. The fertilizer hopper is provided with an upper lid that can be opened and closed by swinging around a left-right axis, and an upper lid that opens a positional relationship between the fertilizer hopper and the reserve seedling rest. The riding type rice transplanter according to any one of claims 1 to 5, wherein the riding type rice transplanter is set so as to be supported by the periphery of the fertilizer supply opening.