JP2536464B2 - Riding rice transplanter with fertilizer application - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter equipped with a fertilizer application device.

[0002]

2. Description of the Related Art As a conventional example of this kind, Japanese Patent Laid-Open No.
As shown in Japanese Patent No. 66215, a rice planting device is vertically movably attached to a rear part of a riding type traveling vehicle by an elevating device, a fertilizer tank is provided at a rear part of a planting machine of the rice planting device, and fertilizer is supplied from the fertilizer tank. There is a riding type rice transplanter with a fertilizer application in which a pump for sending out is provided in the front part of the planting machine and the fertilizer tank, the pump and the injection nozzle are connected by a hose.

[0003]

However, in the conventional riding type rice transplanter with fertilizer application, a fertilizer tank is attached to the rear part of the riding type vehicle body which is vertically movable by an elevating device. However, the weight of the rear part was heavy and the balance between the front and rear of the aircraft was very poor, and the seedlings were tilted and sometimes fell, and the precision of the seedling planting work was very poor. In addition, the hose that connects the fertilizer tank, the pump, and the injection nozzle is arranged from the rear part to the front part of the planting machine and from the front part to the rear part of the planting machine again. It was not possible to obtain a riding-type rice transplanter with a fertilizer application, and the size of the machine was large, resulting in poor workability.

[0004]

In order to solve the problems of the above-mentioned prior art, the present invention has left and right front wheels 2 and left and right rear wheels 3.
A rice planting device 7 for planting a plurality of rows is mounted on the rear part of the riding type traveling vehicle 1 equipped with the up and down device 25 so that the rice planting device 9 of the rice transplanting device 7 can reciprocate left and right. A plurality of seedling planting devices 10 that are movably supported and that are used to separate the seedlings placed on the seedling placement table 9 into individual fields and plant them in a field are provided in the rear part of the planting machine 8 in the lateral direction of the machine. In the model rice transplanter, a plurality of fertilizer application devices 33 including a fertilizer tank 34 and a delivery device 35 for delivering fertilizer corresponding to the seedlings planted in the field by the seedling planting apparatus 10 are viewed from the side of the body. It is located behind the control seat 5 provided above the rear wheel 3 and is installed side by side in the left-right direction of the airframe to be mounted on the passenger-carrying vehicle body 1. A plurality of groovers 37a are arranged in the left-right direction of the machine body, and are fed from the fertilizer application device 33. A riding type rice transplanter with a fertilizer application, characterized in that a plurality of guide bodies 36 for guiding fertilizer to the grooving device 37a are arranged in the lateral direction of the machine through the space between the planting machine 8 and the seedling stand 9. It was done.

[0005]

According to the present invention, a rice planting device 7 for planting a plurality of rows is attached to the rear part of the riding type vehicle body 1 equipped with the left and right front wheels 2 and the left and right rear wheels 3 so as to be vertically movable by an elevating device 25. A seedling planting device which supports a seedling placing table 9 above and below the planting machine body 8 of the rice planting device 7 so as to be able to reciprocate left and right, and separates the seedlings placed on the seedling placing table 9 into individual fields for planting in a field. In the riding type rice transplanter in which a plurality of 10 are arranged in the lateral direction of the machine body at the rear of the machine body 8 for planting,
A control seat provided with a plurality of fertilizer application devices 33 including a fertilizer tank 34 for delivering fertilizer corresponding to the seedlings to be planted in the field by the seedling planting device 10 and a feeding device 35 in a side view of the body of the riding type traveling vehicle body 1. Since it is mounted on the passenger-carrying vehicle body 1 after being placed behind the rear wheel 3 above the rear wheel 3 and arranged side by side in the left-right direction of the machine body, the front-rear balance of the machine body is better than that of the conventional example. , The precision of seedling planting work is improved and good rice planting work can be performed.

Further, a plurality of fertilizer application devices 33 including a fertilizer tank 34 for delivering fertilizer and a delivery device 35 are provided on the riding type traveling vehicle body 1 in order to improve the front-rear balance of the machine body, and the fertilizer application position is set to the seedling planting position. Although each of the fertilizer applicators 33 and each of the groovers 37a is located near the seedling planting device 10 of the rice planting device 7 so that the fertilizers can be appropriately placed near each other, the fertilizer applicator 33 and the grooving devices 37a are provided in the body. By arranging a plurality of guide bodies 36 in the left-right direction, and by arranging a plurality of guide bodies 36 in the machine body left-right direction through the space between the planting machine body 8 and the seedling stand 9,
It is possible to obtain a riding-type rice transplanter with a fertilizer application having a simple structure, reduce the size of the machine body, and perform good fertilizer work and rice transplant work efficiently.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings. 1 is a passenger-type traveling vehicle body, and a pair of left and right front wheels 2
2 and a pair of left and right rear wheels 3.3 at the bottom, and an engine (not shown) covered with a bonnet 4 is provided at the top front.
A steering seat 5 is provided behind the engine, and a steering handle 6 is provided between the engine and the seat 5.

Reference numeral 7 designates a rice transplanter, which is a seedling mount 9 which is laterally reciprocally moved to the left and right with the front side inclined to the upper part of the planting machine 8 which also serves as a mission case, and the seedling mount. Stand 9
A seedling planting device 10 for planting the seedlings placed on the seedling placing table 9 on the rear end side by dividing the seedlings into individual plants, and is further attached to the lower part of the planting machine 8 to level the soil surface. The ground leveling float 11 is used.

The planting machine body 8 is provided with branching portions 8a, 8b and 8c, the rear portions of which extend rearward with a predetermined left-right spacing and the rear end portion of which the seedling planting device 10 is attached. There is. The seedling planting device 10 is provided at each branch portion of the planting machine body 8 and has a seedling dividing claw 12 attached to a front end thereof. The rear end portion and the front-rear intermediate portion respectively include a swing arm 13 and a crank 1.
5 is attached to the planting machine body 8 by means of the crankshaft 5, and the seedling dividing claw 12 part is configured to draw a substantially elliptical motion locus up and down by the rotation of the crank 15.

Reference numeral 16 denotes a pair of right and left seedling planting devices 10.1.
It is a shaft that rotates 0 cranks 15 and 15 at the same time, and is rotatably mounted in each branch portion 8a, 8b, and 8c of the planting machine body 8. The chain 17 is transmitted to the left and right intermediate portions of the shaft 16 by rotation. A sprocket 18 is provided so as to be rotatable. A clutch 19 is provided with a driving claw a on one side surface of the sprocket 18, and a driven claw b of a clutch piece 20 provided on the shaft 16 so as to be movable in the axial direction in a wedge state. At 21, the driving claw a and the driven claw b are configured to engage with each other so as to always press against the sprocket. Then, a spiral cam surface 20a is formed on the outer peripheral surface of the clutch piece 20.
The driven claw b is separated from the drive claw a against the spring 21 by bringing the clutch pin 22 into contact with a. The clutch pin 22 is slidably provided on the planting machine body 8, and is configured to be always separated from the cam surface 20a by a spring 23 and to be pushed in so as to abut on the cam surface 20a by a lever 24. There is.

Reference numeral 25 is an elevating device, and the bases of the upper link 26 and the lower link 27 are attached to the rear ends of the riding type vehicle body 1 via brackets 28, and the rear ends of both links are connected by a hitch frame 29. A hydraulic cylinder device 30 is interposed between the upper link 26 and the riding type traveling vehicle body 1. The rice transplanting device 7 is mounted on the hitch frame 29 via a rotating shaft 31 so as to freely roll. Further, the hitch frame 29 is provided with an intermediate shaft which is rotated by the engine on the side of the riding-type traveling vehicle body 1 through a transmission section as appropriate, from which power is transmitted to the inside of the transmission case section on the rice transplanter 10 side. Is configured. Three
2 is the transmission belt.

Reference numeral 33 is a fertilizer application device, which is a fertilizer tank 34 mounted on the side of the riding type vehicle body 1, a feeding device 35 provided below the fertilizer tank 34, and a fed ground fertilizer for the rice planting device 10. 11 A guide body 36 for flowing down to the vicinity of the upper part, a grooving device 37a for grooving to a constant depth by immersing the lower part in soil, and a pipe attached to this grooving device 37a for fertilizing in the grooving Fertilizer applicator 3 consisting of 37b
7 and 7.

The fertilizer application device 33 is equipped with one fertilizer application device 33 for two adjacent ones of the seedling planting devices 10 ... The fertilizer applicator 37 is provided in the. The feeding device 35 includes a grooved rotary roller 35a that is driven and rotated, and a rotary roller having the same.
A shutter 38 having a semicircular cross section, which can move along the axial direction of the roll rotation shaft on the upper surface of the roll 35a and can open or cover the upper surface of the roll, is formed by the shutter 38. Is provided so as to be freely movable by a lever 39 provided outside the hopper, and when the shutter 38 is pushed, the feeding of fertilizer is stopped.

40a, 40b ... Are the seedling planting devices 10 ...
A clutch lever for turning on / off the clutch 19 of the plant, of which 40a is a branched portion 8a on the left side of the planting machine body 8
It is connected to the clutch 19 inside by a wire 41a, and
0b is the clutch 19 in the central branch 8b of the planting machine 8.
Is also connected by a wire 41b, so that the respective clutches 19 ...

43a, 43b ... are the fertilizer applicators 33 ...
Of the shutter 38 and the clutch levers 40a and 40b
.. are separately connected by interlocking connection so that when the left clutch 19 is disengaged, the left fertilizer application is stopped, and when the central clutch 19 is disengaged, the corresponding central fertilizer application is stopped. In the figure, reference numeral 45 denotes a spare seedling placing table, which is provided on the rear side of the control seat 5 by a rotary link 46 and a rotary telescopic link 47 which is rotatable and can be expanded and contracted on the side of the riding type traveling vehicle body 1. There is. The fertilizer tank 3 of the fertilizer application device 33 is provided in the space below the spare seedling placing table 45.
4 are arranged.

In the configuration of the above example, after placing the seedlings on the seedling placing table 9 and filling the fertilizer tanks 34 of the fertilizer application with fertilizer, the rice transplanting device 7 is moved downward to set the leveled float 11 on the soil surface. The rice planting device 7 is pulled by the riding-type traveling vehicle body 1 and each rotating portion is transmission-rotated. Then
The seedling planting device 10 ... Splits the seedlings for each strain from the seedling table 9 which moves laterally back and forth, and plants the seedlings on the soil surface that is leveled by the lateral protrusions of the leveling float 11. Simultaneously with the seedling planting operation, the feeding device 35 of the fertilizer application device 33 is actuated, and the fertilizer in the fertilizer tank 34 is dispensed by a predetermined amount in the groove of the rotary roll 35a and the inside of the guide member 36. The fertilizer is discharged and discharged into the grooves between the floats 11 formed by the groove making devices 37a.

When the seedling planting work and the fertilizing work are performed at the same time, a grooving device 37a is provided near the seedling planting device 10 of the rice planting device 7, and the riding type traveling vehicle body 1 behind the control seat 5 is provided. Since the fertilizer application device 33 including the fertilizer tank 34 and the delivery device 35 is provided and the fertilizer delivered from the fertilizer application device 33 is guided by the guide body 36 to the grooving device 37a, the front-rear balance of the machine body is achieved. Good and stable seedling planting and fertilizing work can be performed, and the accuracy of the seedling planting posture, seedling planting depth, fertilization depth, etc. can be improved and good work can be performed.

In this way, fertilization work is carried out at the same time as the seedling planting work, but when the seedling planting work nears the end in one field, it becomes a multi-row planting machine, so When the seedlings are planted to the end with the device 10, a wide unplanted width may occur between the ridge and the final row of planted seedlings. In such a case, before the final seedling planting process, the seedling planting device located on the unplanted side of the rice transplanter, for example, the clutch 19 of the planting plant on the left side in FIG. And stop the planting of the two seedlings on the left side. At this time, the shutter 38 of the feeding device 35 of the left fertilizer application device 33 is actuated by the wire 43 so as to cover the upper surface of the rotary roll 35a, and at the same time, fertilization to the left two rows of seedling planting lines is stopped. It will be.

In the final seedling planting operation, the operation of the left seedling planting apparatus is restarted to perform seedling planting work so that the remaining planting does not occur. When stopping the operation of planting a suitable number of seedlings with the multi-row planting machine during the rice planting work on the ridges of such fields, fertilization can be stopped at the same time for the stopped seedling planting rows, and the seedling planting is stopped. If the fertilizer is applied to the part that has already been applied and the seedling is planted again in this part, the problem of reapplying the fertilizer does not occur, and therefore growth inhibition and growth variability due to excessive fertilization occur. Can be prevented.

Further, the seedling planting device 10 stopped by an operation of partially stopping the seedling planting device 10 of the rice planting device 7.
Since the operating devices 40a ... Stopping the fertilizer feeding of the fertilizer applying device 33 corresponding to the above are arranged near each fertilizing device 33 ..., the operator does not have to stand up from the control seat 5 when operating each operating device 40a. , Each operating device 40a ...
Since the amount of seedlings on the seedling mounting table 9 of the rice transplanting device 7 and the state of the seedlings and each part of the fertilizer application device 33 can be checked at the same time, the work efficiency is greatly improved. Furthermore, the operator operates the operation device 40a corresponding to the fertilizer application device 33 facing the rear of the machine and stopping the fertilizer feeding. At that time, each seedling planting device 10 ... And each fertilizer application device 33 ... And each operation device. 40
Since a ... Are similarly arranged in the lateral direction of the machine body, the operator can operate while confirming the correspondence relationship between each seedling planting device 10 ..., each fertilizer application device 33 ..., and each operation device 40a. The operation error is eliminated and good work can be performed efficiently.

Further, a plurality of fertilizer application devices 33 including a fertilizer tank 34 for delivering fertilizer and a delivery device 35 are provided on the riding type traveling vehicle body 1 in order to improve the front-rear balance of the machine body, and the fertilizer application position is set to the seedling planting position. Although each of the fertilizer applicators 33 and each of the groovers 37a is located near the seedling planting device 10 of the rice planting device 7 so that the fertilizers can be appropriately placed near each other, the fertilizer applicator 33 and the grooving devices 37a are provided in the body. By arranging a plurality of guide bodies 36 in the left-right direction, and by arranging a plurality of guide bodies 36 in the machine body left-right direction through the space between the planting machine body 8 and the seedling stand 9,
It is possible to obtain a riding-type rice transplanter with a simple fertilizer application, which makes it possible to downsize the airframe and reduce the turning radius when working on the ridges of fields, so efficient fertilization and rice planting can be performed. It

[Brief description of drawings]

FIG. 1 is an overall side view of a riding rice transplanter with a fertilizer application device.

FIG. 2 is a simplified rear view of the main part.

[Fig. 3] Interlocking mechanism diagram of main parts

FIG. 4 is a sectional view of an essential part.

[Explanation of symbols]

 1 Riding type vehicle body 2 Front wheel 3 Rear wheel 5 Control seat 7 Rice transplanting device 9 Seedling stand 10 Seedling planting device 25 Elevating device 33 Fertilizer application device 34 Fertilizer tank 35 Feeding device 36 Guide body 37a Grooving device 40a Operating device

Claims (1)

(57) [Claims] 1. A rice planting device 7 for planting a plurality of rows is mounted on a rear portion of a riding type vehicle body 1 equipped with left and right front wheels 2 and left and right rear wheels 3 and is vertically movable by an elevating device 25. A seedling planting device 10 for supporting a seedling placing table 9 so as to reciprocate left and right above the attaching device 8 and separating the seedlings placed on the seedling placing plate 9 into individual fields and planting them in a field. In the riding-type rice transplanter in which a plurality of vehicle body left-right directions are provided at the rear of the plant 8, the seedling planting device 10
Is behind the control seat 5 provided on the riding type vehicle body 1 with a plurality of fertilizer application devices 33 including a fertilizer tank 34 for delivering fertilizer corresponding to seedlings to be planted in the field and a delivery device 35 in a side view of the aircraft. It is located above the wheel 3 and is installed side by side in the lateral direction of the machine body to be mounted on the riding type traveling vehicle body 1. At the same time, the rice planting device 7 is located near the seedling planting device 10 and the grooving device 37a is arranged in the lateral direction of the machine body. A plurality of guide bodies 36 arranged in the left and right of the fertilizer application device 33 through the space between the planting machine body 8 and the seedling table 9 to guide the fertilizer fed from the fertilizer application device 33 to the grooving device 37a. A riding-type rice transplanter equipped with a fertilizer application.