JPH018086Y2 - - Google Patents

Description

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

"Prior art" Conventionally, as shown in Publication of Utility Model Publication No. 51-28247,
A technology has been developed to install fertilizing grooves on floats that level the field for planting.

"Problems to be Solved by the Invention" The above-mentioned conventional technology uses a special mounting bracket to support the groove-forming body, and the wide front half of the planting float is used to attach the groove-forming body to the float. Moreover, since the groove-forming body is not fixed to the float with a plurality of bolts arranged in the front-rear direction, the supporting structure of the groove-forming body cannot be easily simplified, and furthermore, it is not easy to simplify the support structure of the groove-forming body, and moreover, it is difficult to prevent mud pushing pressure. Therefore, it is not easy to prevent the groove-forming body from being displaced and deformed in the left-right direction, and even with a structure that supports the front part of the float so as to be able to move up and down, the groove-forming body always remains unchanged regardless of changes in ground pressure. If it is supported in the soil at a certain depth and cannot reduce the impact that the groove-cutting body receives due to collision with stones in the soil, and if it is configured so that the position where the fertilizer falls relative to the planted seedlings can be changed, The supporting structure of the groove-forming body becomes more complicated, and the supporting posture of the groove-forming body cannot be easily stabilized, and the straight-line performance of the float is likely to be impaired.

``Means for Solving the Problems'' However, the present invention is equipped with a fertilizer storage hopper having a feeding roll and a groove-making body that forms a groove in the planting field surface in which fertilizer is buried, In a device for guiding fertilizer from the hopper to fall into a groove formed by a fertilizer guide pipe or the like, a plurality of plants are arranged in the front and rear directions on the wide front half of the planting float, which has a wider left and right width than the rear half of the planting float. The groove-forming body is fixed with a bolt, and the upper surface of the groove-forming body is joined and fixed to the float from the lower surface side, and the groove-forming body below the parting line of the float is formed into a triangular shape when viewed from the side. The bottom side is inclined forward and upward so that the tip of the groove-forming body is higher than the lower surface of the rear end, and the left and right width is smaller than the front half of the float. It is characterized in that the groove forming plate is arranged so as to be able to approach and separate in the directions.

``Function'' Therefore, since the groove-forming body is provided in the wide front half of the float, there is no need for special mounting fittings as in the conventional Japanese Utility Model Publication No. 51-28247, and the groove-forming body has a simpler structure than the conventional one. can be fixed to the float, and grooves can be made and fertilizer can be dropped and buried in the slow flowing muddy part of the wide front half of the float.Moreover, since the bolts for fixing the grooves are arranged in the front-rear direction, meandering can be avoided. The groove-forming body can be easily prevented from being displaced and deformed in the left-right direction due to the mud pushing pressure generated during planting runs, etc., and the groove-forming body is arranged so as to be parallel to the longitudinal centerline of the machine body. In addition, since the groove-forming body is triangular in side view and the bottom slopes forward and upward, the mud-pushing resistance of the groove-forming body can be reduced and a good groove-forming action can be obtained, and groove-forming can be performed with a small load. In addition, if the structure supports the front part of the float so that it can move up and down, the groove-forming body moves up and down integrally with the float due to changes in ground pressure, and even if the groove-forming body receives an impact, it can easily absorb the impact. Furthermore, it is possible to easily add an adjustment function to change the support position of the groove cutting body for planted seedlings, and the support posture of the groove cutting body can be easily changed without complicating the support structure of the groove cutting body. It is possible to stabilize the float, maintain good straight performance of the float, and arrange the groove forming body more simply and functionally than in the past.

"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 body 2, 12, 12 is a spare seedling stand 1 attached to this safety frame 11.
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 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 constant width is cut along the planted seedlings A in the rice field using the lower surface of the float. , the groove forming plate 52 is fixed by a plurality of bolts 56, 56 arranged in the front and rear direction, and the upper surface of the groove forming plate 52 is joined and fixed to the float 23 from the lower surface side, and from the parting line of the float 23. The lower groove forming plate 52 is formed into a triangular shape when viewed from the side, and the bottom side is inclined forwardly upward so that the tip of the groove forming 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 fall discharge port 58 for fertilizer is provided in the gap 57 between a. And the feed roll 3 of the hopper 26
4, one of the fertilizer outlet ports 59, 59 formed at the bottom of the hopper 26 is connected to the discharge tube 58 through the fertilizer guide pipe 28 made of vinyl pipe, so that the fertilizer conveyed from the hopper 26 is continuously transferred. The structure is such that a substantially constant amount of fertilizer is applied to the fertilizer embedding groove 60 cut by the groove cutting plate 52 at a time.

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 with appropriate means such as bolts 62a,
The tip of the groove plate 52 or the auxiliary plate 61 and the float 2
The prevention plate 66 is configured to prevent foreign matter such as straw waste from being caught and attached at the joint portion of No. 3.

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 provided.

Further, a conical soil-covering ring 70 is provided behind the groove plate 52, and the ring 70
is rotatably supported at the tip of the support arm 71 via a shaft 71a, and the base end side of the arm 71 is rotatably supported on an arm receiver 73 that supports the planting part 18 side via a shaft 72. are doing.

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 buried.

Further, a bracket 7 is attached to the arm receiver 73.
Stopper bolts 80 and 81 for regulating upward and downward movement 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 positioned between the bolts 80 and 81, and for example, when the planted field is relatively hard, the bolt 80 is provided at an upper position to allow upward escape of the wheel body 70. By bringing the restraining plate 82 into contact with the bolt 81, or conversely, when 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 being affected by 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 aforementioned tightening bolts 76 of the mounting base 77 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. It is.

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.

"Effect of the invention" As is clear from the above embodiments, the present invention has a fertilizer storage hopper 26 having a feeding roll 34,
Grooving body 5 that forms a groove in the planted field for burying fertilizer
2, and the fertilizer from the hopper 26 is transferred into the groove formed by the groove forming body 52 through the fertilizer guide pipe 2.
8 or the like, the groove-forming body 52 is attached to the wide front half of the planting float 23, which is formed to have a larger left-right width than the rear half of the planting float 23, by a plurality of bolts 56, 56 arranged in the front-rear direction. The upper surface of the groove forming body 52 is fixedly connected to the float 23 from the lower surface side, and the groove forming body 5 below the parting line of the float 23 is fixedly connected to the float 23 from the lower surface side.
2 is formed into a triangular shape when viewed from the side, the bottom side is inclined forward upward so that the tip of the groove forming body 52 is higher than the lower surface of the rear end, and the left and right width is formed to be smaller than the front half of the float 23. The groove-forming plate 52 is arranged so as to be able to approach and separate from the side surface of the narrow rear half of the float 23 in the right and left outward directions.Since the groove-forming body 52 is provided on the wide front half of the float 23, it is different from the conventional implementation. The groove-forming body 52 can be fixed to the float 23 with a simpler structure than the conventional one without requiring any special mounting fittings such as those disclosed in Publication No. 51-28247.
In the wide front half of No. 3, where the flow of mud is slow, trenches can be made and fertilizer can be dropped and buried.
Since the bolts 56 for fixing the machine body are arranged in the front-rear direction, it is possible to easily prevent the groove-forming body 52 from being displaced and deformed in the left-right direction due to mud pushing pressure generated during meandering planting runs, etc. The groove-forming body 52 can be arranged so as to be substantially parallel to the center line, and since the groove-forming body 52 is triangular in side view and its base is inclined forward and upward, the groove-forming body 5
It is possible to obtain a good groove forming effect by reducing the mud pushing resistance of 2, and to form grooves with a small load. The groove forming body 52 moves up and down integrally with the float 23 due to pressure changes, and even if the groove forming body 52 receives an impact, the impact can be easily alleviated, and furthermore, the groove forming body 52 supports the planted seedlings. An adjustment function for changing the position can be easily added, the supporting posture of the groove forming body 52 can be easily stabilized without complicating the supporting structure of the groove forming body 52, and the straight-line performance of the float 23 can be improved. This provides practical effects such as maintaining the groove structure 52 in a simpler and more functional manner than in the past.

[Brief explanation of drawings]

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, 26...Hopper, 28...
...Fertilizer guide pipe, 34...Feeding roll, 52...Groove plate (grooving body), 56...Bolt.

Claims (1)

[Scope of utility model registration request] Fertilizer storage hopper 2 with feeding roll 34
6, and a groove-making body 52 that forms a groove in the planted field surface for burying fertilizer, and the fertilizer from the hopper 26 is guided to fall into the groove formed by the groove-making body 52 by a fertilizer guide pipe 28 or the like. In a device that
The groove-forming body 52 is fixed to the wide front half of the float 23, which has a larger left-right width than the rear half of the planting float 23, by a plurality of bolts 56, 56 arranged in the front-rear direction. The upper surface of the groove forming body 52 is joined and fixed from the lower surface side, and the groove forming body 52 below the parting line of the float 23 is formed into a triangular shape in side view.
A float 2 whose bottom side is inclined forwardly upward so that the tip of the float 2 is higher than the lower surface of the rear end, and whose left and right width is smaller than the front half of the float 23.
3. A fertilizer application device for a rice transplanter, characterized in that the groove plate 52 is disposed so as to be able to approach and separate in left and right outward directions from the side surface of the narrow rear half of the rice transplanter.