JPH0340101Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a fertilization device for a rice transplanter that simultaneously applies fertilizer along the cropping rows when planting seedlings.

"Prior Art" Conventionally, as shown in Japanese Utility Model Publication No. 54-20350, there has been a technique of fertilizing seedlings at the same time as planting them.

``Problems to be Solved by the Invention'' In the above-mentioned conventional technology, the groove-forming body was provided at the rear end of the side of the wide front half of the planting float, where the mud water flowed quickly. There were problems such as the already planted seedlings being easily knocked over by the water flow, and the fallen fertilizer floating and flowing out due to the swirling flow that tends to occur at the rear end of the trench cutting body.

``Means for Solving the Problems'' However, the present invention fixes the front part of the groove-forming body to the bottom of the wide front half of the planting float to level the planned planting position, and also A fertilizer falling part is provided at the rear of the trench cutting body between the part and the planted shoots, and a soil covering body is provided on the side opposite to the planted shoots centering on the fertilizer falling part. be.

``Action'' Therefore, planting grooves and fertilizer can be dropped and buried at the bottom of the wide front half of the planting float and at the side of the narrow rear half of the planting float, where the flow of mud water is slow. Not only can it be easily prevented that fertilizer application performed at the same time has an adverse effect on the planted shoots, but also the covering soil can be moved from the opposite side of the planted shoots across the area where the fertilizer falls, so the soil covering work at the time of fertilization can be done easily. can be easily prevented from having an adverse effect on planted shoots.

"Embodiment" Hereinafter, an embodiment of the present invention will be described in detail based on the drawings.

Fig. 1 is a side view showing a riding rice transplanter for multi-row planting equipped with a fertilization device according to the present invention, Fig. 2 is a plan view thereof, and Fig. 3 is a front view of the same. 2 and a rear vehicle body 3;
Reference numerals 4 and 5 designate frames that horizontally connect the front and rear vehicle bodies 2 and 3 via a center pin 6, and 7, 7, 8, and 8 designate swing cases 9 and 9 on the left and right sides of the front and rear vehicle bodies 2 and 3, respectively. , 10, 10, 11 is a gate-shaped safety frame whose base end is fixed to the front vehicle body 2, 12, 12 is a spare seedling stand attached to this safety frame 11, 1
3 and 13 are steps provided on both sides of the front vehicle body 2;
4 and 14 are fenders for the front wheels 7 and 7, 15 is a driver's seat attached to the upper part of the rear of the front vehicle body 2 via the safety frame 11, 16 is a steering handle provided in front of this driver's seat 15, and 17 is a rear vehicle body. The engine mounted on the vehicle 3 is configured to appropriately bend the front and rear vehicle bodies 2 and 3 around the center pin 6 to correct the running direction.

In addition, in the figure, 18 is a planting part that is supported in the front part of the front vehicle body 2 via a three-point link mechanism 19 so as to be freely raised and lowered, 20 is a seedling stand with a low front and rear height that can be moved back and forth from side to side, and 21... 22 is a transmission case to which the seedling platform 20 and the planting claw 21 are attached, 23 is a float that supports this case 22, and 24 is a With the front bumper attached to the case 22, the seedling stand 20
and the planting claws 21 are driven in conjunction with each other to continuously plant seedlings.

Next, the fertilizer application device 25 according to the present invention will be explained with reference to FIGS. 4 to 8.

The fertilizer application device 25 includes a hopper 2 that stores fertilizer.
6..., a fertilizer embedding device 27... that continuously embeds this fertilizer into the field surface, and these hoppers 26...
and a fertilizer guide pipe 28 which connects and connects the embedding device 27..., and is configured to apply eight rows of fertilizer to the rice field in correspondence with the planting claws 21...

The hoppers 26 are for storing, for example, powdered fertilizer for growing seedlings, and each pair of support frames is mounted on a base frame 29 that extends horizontally between the upper front ends of the left and right fenders 14, 14 mentioned above. 30, one is installed for every two rows.

Further, a feed roll 3 equipped with a vibration plate 32 and a brush 33 is provided in the lower reservoir chamber 31 of the hopper 26.
4, and when the roll 34 rotates, a large number of pumping grooves 35 are formed on the surface.
The structure is such that the fertilizer inside is continuously fed out in two rows at a substantially constant rate.

Each of the roll shafts 36 of the feed rolls 34 is supported in the middle of the support frame 30, and the rolls 34 are mounted on the same driving rotation shaft 37 that extends horizontally between the ends of the support frame 30. They are configured to be interlocked and connected via a pulley 38, a V-belt 39, and a V-pulley 40, respectively.
The left end side of the rotating shaft 37 is connected to the seedling stand lateral feed transmission case 4 via a flexible shaft 41.
Interlockingly connected to the horizontal feed screw shaft 43 mounted on the shaft 2,
It is configured to obtain the rotational driving force.

In addition, hoppers 26, 2 disposed on the left and right outermost sides
Tension rollers 44, 44 are attached to the belts 39, 39 of No. 6 so as to be able to come into contact with and separate from them, respectively.
A clutch for the roll shafts 36, 36 is constructed in this portion.

As shown in FIG. 6, the tension roller 44 has a roller shaft 47 at the tip of a swinging arm 46 whose base end is pivotally supported by the support frame 30 via a shaft 45.
Support frame 3
A spring 49 is tensioned between a bracket 48 fixed to the lower edge of the belt and the roller shaft 47, and the tension roller 44 is normally pressed against the V-belt 39 by the force of the spring 49, thereby transmitting power. At the same time, the tension roller 44 is moved to the contact position of the stopper 51 by moving the handle rod 50 extending from the outer end of the roller shaft 47 beyond the fulcrum point against the spring 49 with the shaft 45 as the fulcrum point. The structure is such that the power transmission is cut off by holding the motor in position.

On the other hand, the float 23 mentioned earlier has a wide front end.
The rear end is formed narrowly, and groove-forming plates 52, 52, which are groove-forming bodies constituting the embedders 27, 27, are provided on both left and right sides of the narrow width. The structure is such that the fertilizer from the hopper 26 is guided down into the groove formed by the fertilizer guide pipe 28 or the like.

The front end of the groove plate 52 is attached to long holes 54, 54 formed in the wide plate-like portion 23a of the float 23 via a metal plate 55 and bolts 56, 56 so as to be adjustable in left and right movement. float 2
3. The plate 52 protrudes from the lower surface when the aircraft is running.
A deep groove of a certain width is cut in the rice field along the planted seedling A by the lower surface part, and the horizontal width is larger than the rear part of the planting float 23 to level out the planned planting position. A plurality of bolts 56, 5 are arranged in the front and rear direction on the wide front half of the float 23.
6, the groove forming plate 52 is fixedly installed, and the upper surface of the groove forming plate 52 is bonded and fixed to the float 23 from the lower surface side, and the groove forming plate 52 below the parting line of the float 23 is fixed in side view. It is formed in a triangular shape, and the bottom side is inclined forward and upward so that the tip of the groove plate 52 is higher than the lower surface of the rear end.

Further, the rear end of the groove plate 52 is connected to the left and right side plates 52.
a, 52a are extended, and the side plates 52a, 52
A fertilizer drop discharge opening tube 58 is provided in the gap 54 which is the fertilizer falling part between the spaces a. And the hopper 2
Fertilizer outlet 5 formed at the bottom of the feed roll 34 of 6
9 and 59 and the discharge tube 58 are connected via the fertilizer guide tube 28 made of vinyl pipe, and the fertilizer conveyed from the hopper 26 is continuously delivered in a substantially constant amount to the groove plate. The structure is such that fertilizer is applied to a fertilizer embedding groove 60 cut by a groove 52.

Further, the groove-making plate 52 has a groove-making auxiliary plate 6 on the lower surface.
1 can be attached to the groove plate 52 on the lower surface of the auxiliary plate 61.
2a, 62b are formed, and the bolts 62 are formed on the lower surface of the auxiliary plate 61.
A, 62b tightening screw holes 64a, 64b are drilled, and the auxiliary plate 6 is inserted through the bolts 62a, 62b.
1 is removably attached to the groove-making plate 52, and the depth of the groove-cutting can be changed as appropriate.

Furthermore, the front screw hole 6 of the groove plate 52
4a is provided with a sink hole 65, and a contaminant adhesion prevention plate 66 is provided between the tip of the float 23 and the sink hole 65 or the sink hole 63a of the auxiliary plate 61. The prevention plate 66 has a long thin plate shape, and has a bent portion 66a at one end engaged with the tip of the float 23, an intermediate portion along the lower surface of the float 23, and the other end aligned with the depression of the groove plate 52. It is formed so that it can be attached to the hole 65 or the sink hole 63a of the auxiliary plate 61 using an appropriate means such as a bolt 622a, and the joint between the tip of the groove-making plate 52 or the auxiliary plate 61 and the float 23 is used to pull debris such as straw. The prevention plate 66 is configured to prevent the adhesive from sticking.

Further, in the gap 57 at the rear of the groove plate 52, there is provided a slide plate 67 which is a fertilizer guide having an inverted U-shape in plan view and is brought into sliding contact with the left and right side plates 52a, 52a.

The slide plate 67 is supported and fixed to the groove-making plate 52 through long holes 68 and bolts 69 so as to be movable up and down, and the groove depth of the embedded groove 60 to be cut by the groove-making plate 52 or the prevention plate 66 is fixed. In response to this, the slide plate 67 is fixed in position, and can move toward and away from the side surface of the narrow rear half of the float 23, which has a smaller left and right width than the front half of the float 23, in the left and right outward directions. The groove plate 52 is disposed, and the gap 57 in which the slide plate 67 is provided is disposed between the planted seedling A row and the narrow rear half of the planted float 23.

Furthermore, a soil-covering wheel 70, which is a soil-covering body formed in a conical shape, is provided behind the groove plate 52, and the wheel 70 is attached to a shaft 71a at the tip of a support arm 71.
The base end side of the arm 71 is rotatably supported on an arm support 73 that supports the planting part 18 side via a shaft 72, and the planting is performed centering on the gap 57. The ring 7 is on the opposite side of the seedling A.
0 is provided, and the fertilizer dropped from the gap 57 is covered with soil by moving it from the side opposite to the planted seedling A row in the direction of the planted seedling A row.

The arm receivers 73 are integrally fixed to a mounting base 77 which is rotatably supported by the bumper 24 mounting cylinders 74, 74 of the planting section 18 and the transmission frame 75 through bolts 76, respectively. The conical surface 70a is made to face the embedding groove 60 by its own weight, and the ring 70 is applied to the fertilizer in the fertilized groove 60.
The structure is such that the soil is covered with soil and fertilizer is embedded in it.

Further, a bracket 7 is attached to the arm receiver 73.
Stopper bolts 80 and 81 for regulating upward and downward movements are provided via bolts 8 and 79, the length of which can be adjusted freely.
A stop plate 82 provided at the base end of the support arm 71 is located between the bolts 80 and 81, and for example, when the planted field surface is relatively hard, the bolt 80 is provided at an upper position to allow the wheel body 70 to escape upward. By bringing the restraining plate 82 into contact with the bolt 81, or conversely, if the planted field surface is relatively soft, the wheel body 70 can be caused to sink considerably by bringing the restraining plate 82 into contact with the bolt 81, which is provided at the lower position. The structure is such that a substantially constant soil covering action can be performed without affecting the planted field surface by regulating each by bringing them into contact with each other. Further, the vertical height position of the wheel body 70 can be adjusted by loosening the tightening bolts 76 of the mounting base 77 mentioned above and rotating the base 77 appropriately relative to the mounting tubes 74, 74 and the transmission frame 75. The height of the wheel body 70 can be adjusted by adjusting the height of the wheel body 70, and, for example, the lowest position of the wheel body 70 can be variably adjusted.

The present embodiment is constructed as described above, and each of the hoppers 26 is filled with fertilizer, and the planting portion 1 is filled with fertilizer.
8 is driven and the planting work is performed while the machine is running, the feeding rolls 34 are also driven as the horizontal feeding screw shaft 43 rotates, and the fertilizer in the hoppers 26 is continuously removed. It works by dispensing a fixed amount.

This delivered fertilizer naturally flows down through the guide pipes 28 and is sequentially released from the groove plate 52 at the rear discharge port 58. Fertilization is applied to the groove 60.

Then, the fertilizer immediately after application is applied to the wheel 70.
The machine is buried in the soil by being covered with soil that is pushed toward the groove 60 by the conical surface 70a due to the rotation of the wheel body 70 as the machine advances. The soil on the opposite side of the planted seedling A row is moved around the groove 60 in the direction of the planted seedling A row by the wheel 70, and the groove 60 after fertilization is filled.

Further, during the above-mentioned work, if it is not necessary to feed out the outermost right or left hopper 26 at the edge of a bank, etc., the fertilizer feeding can be stopped by operating the handle rod 50 of the tension roller 44. It is possible.

"Effects of the Invention" As is clear from the above embodiments, the present invention fixes the front part of the groove-forming body 52 to the bottom of the wide front half of the planting float 23 for leveling the planned planting position, and 23 A fertilizer falling part 57 at the rear of the trenching body 52 is arranged between the narrow rear half and the planted seedling A row, and the fertilizer falling part 57 is placed in the center on the side opposite to the planted seedling A row. With the body 70 provided, trenches can be created and fertilizer can be dropped and buried in the bottom surface of the wide front half of the planting float 23 and the side part of the narrow rear half of the planting float 23, where the flow of mud is slow.
It is possible to easily prevent the fertilization work that is performed almost simultaneously with the planting of seedlings from having an adverse effect on the planted seedlings, and to move the covering soil from the opposite side in the direction of the planted seedling A row across the fertilizer falling part 57. Therefore, it is possible to easily prevent the soil covering work during fertilization from having an adverse effect on the planted seedling A rows.

[Brief explanation of the drawing]

Fig. 1 is an overall side view of a rice transplanter equipped with a fertilization device according to the present invention, Fig. 2 is a simplified plan view thereof, and Fig. 3
The figure is a front view of the same, Figure 4 is a side view of the main parts, and Figure 5 is a side view of the main parts.
The figure is an explanatory plan view of the same, and FIGS. 6 to 8 are partially enlarged explanatory views of main parts. 23...Float, 52...Groove plate (groove member),
57... Gap (fertilizer falling part), 70... Soil covering wheel (soil covering body), A... Planted seedling.

Claims (1)

[Scope of utility model registration request] The front part of the trenching body is fixed to the bottom of the wide front half of the planting float to level the planned planting position, and the fertilizer at the rear of the trenching body is placed between the narrow rear half of the planting float and the planting shoots. 1. A fertilizer application device for a rice transplanter, characterized in that a falling part is provided, and a soil covering body is provided on the side opposite to the planted shoots centering on the fertilizer falling part.