JPH07250523A - Riding-type rice transplanter provided with fertilizing apparatus - Google Patents

Abstract

PURPOSE:To simplify the transmission of power to a fertilizer delivery apparatus and obtain a riding-type rice transplanter having simple structure, balanced weight of machine body in longitudinal direction and excellent appearance. CONSTITUTION:This riding-type transplanter is provided with a transplantation apparatus 40 attached to a mobile machine body having front wheels 6 and rear wheels 5 through a link device in a state freely movable in vertical direction. The driver's seat 10 is placed above the rising part positioned at the back of a machine body cover having a step, a fertilizer tank and a fertilizer delivery apparatus 14 are placed above the rear wheels at a position higher than the top of the rising part viewed from a side and the rotating power for the fertilizer delivery apparatus 14 is transmitted from a power transmitting apparatus 91 to transmit the power from a transmission case 2 in the rising part of the mobile machine body to the transplanting apparatus.

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 type, there is a riding type rice transplanter equipped with a fertilizer application system in which a fertilizer tank and a fertilizer feeding device are mounted on a traveling vehicle body, as shown in Japanese Patent Laid-Open No. 57-180014. , The drive configuration of the fertilizer feeding device was unknown. Therefore, the present invention has an object to provide a riding-type rice transplanter with a fertilizer application that facilitates power extraction for driving the fertilizer feeding device, has a simple structure, has a good weight balance before and after the machine body, and has an excellent appearance. There is.

[0003]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a riding type rice transplanter in which a rice transplanter is attached to a rear portion of a traveling vehicle body having front wheels and rear wheels so as to be vertically movable via a link device. , The driving body is provided above the rising portion provided at the rear of the body cover having the step portion on the traveling vehicle, and is located above the rear wheel in a side view of the traveling vehicle and above the upper surface of the rising portion. A fertilizer tank and a fertilizer feeding device are arranged, and a power transmission device for extracting rotational power of the fertilizer feeding device from a transmission device for transmitting power to the rice transplanting device from a mission case provided on the traveling vehicle body in the rising part is characterized. This is a riding type rice transplanter with fertilizer application.

[0004]

According to the present invention, the driver's seat is disposed above the rising portion provided on the rear portion of the machine body cover having the step portion on the traveling vehicle body, and the rising portion is provided above the rear wheel in a side view of the traveling vehicle body. Since the fertilizer tank and the fertilizer feeding device, which are relatively heavy, are arranged at a position higher than the upper surface of the section, it is advantageous in terms of weight balance before and after the machine body.

However, since the power transmission device for extracting the rotational power of the fertilizer feeding device from the transmission device for transmitting power to the rice transplanter from the mission case provided on the traveling vehicle body in the rising portion is provided, the transmission structure is simple and externally Will also be excellent.

[0006]

1 is a side view showing an embodiment of a riding type rice transplanter with a fertilizer application device according to the present invention, and FIG. 2 is a plan view thereof. A mission case of the riding type rice transplanter 1 with a fertilizer application device according to the present invention. An engine 3 is installed in the front part of the transmission 2, and chain cases 4 projecting rearward are provided on both left and right sides of the transmission case 2. A rear wheel 5 is attached to the rear end of the chain case 4.
Is rotatably supported, and a front wheel 6 is rotatably provided at the front part of the machine body. Further, a hood 7 covering the engine 3 and a machine body cover 9 having a step portion on the outer periphery of the machine body are provided on the machine body, and a rising portion 9a rising upward is provided at a rear portion of the machine body cover 9 to operate above the machine body. Seat 1
0 is disposed and is supported above the rear wheel 5 by a U-shaped seat frame 11 in a plan view.

A fertilizer feeding device 14 which constitutes the main body of the fertilizer application together with the fertilizer tank 13 is provided on the side of the driver's seat 10 and between the seat and a rice transplanter 40 described later. The feeding device 14 includes feeding rolls 15 and 15 each having a groove 15a formed on the outer peripheral surface thereof, and is configured to feed an appropriate amount of granular fertilizer in the fertilizer tank 13 into the hopper 16 by the rotation of the feeding roll 15. There is. The feeding device 14 is attached to the machine body by a support frame (not shown), and the feeding devices 14, 14 on both sides are connected to each other by a single rotating shaft 17 passing through the rear of the seat.

A parallel link device 25 is provided at the rear of the machine body. As shown in FIG. 3, the parallel link device 25 is composed of front and rear vertical members 26, 27, one upper link 29, and a pair of left and right lower links 30, 30. There is. The upper link 29 is provided with a downward projection 31 and the projection 31 is used for the lifting device 3
Two hydraulic cylinders 33 are connected to the mission case 2. A lower end portion of the front vertical member 26 is pivotally attached to a connecting pipe 35 that connects the left and right chain cases 4 and 4. A four-row rice planting device 40 is connected to the rear end of the parallel link device 25 via a rolling shaft 37. By expanding and contracting the hydraulic cylinder 33 of the lifting device 32, the rice transplanting device 40 can be moved up and down. Further, the rice transplanter 40 can freely rotate right and left by the rotation of the rolling shaft.

The rice transplanter 40 has a transmission case 41 which also serves as a rice transplanter frame, and above the transmission case 41, the seedling placing table 42 is attached so as to be reciprocally movable to the left and right in a state in which the seedling placing table 42 is tilted so that the front side is positioned higher. Has been. Reference numeral 43 denotes a guide rail supported by a column 43a, and the seedling placing table 42 moves left and right along the guide rail 43. At the rear part of the transmission case 41, a seedling planting rod 45 having a seedling planting claw 44 fixed to the tip, and a swing for driving the planting rod 45 so that the tip end portion thereof oscillates up and down along an elliptical orbit. Dynamic crank 46
A planting device 47 having the above is provided. Further, below the transmission case 41, a central float 50 and a pair of left and right side floats 51, 51 are provided so as to be vertically rotatable. Reference numeral 52 denotes a detection hydraulic valve that detects the vertical position of the central float 50.
Moves upward and pushes up the spool of the hydraulic valve 52, the piston rod 33a of the hydraulic cylinder 33 projects, and conversely, when the central float 50 rotates downward,
The piston rod 33a is configured to retract.

The power of the rice planting device 40 is transmitted from the mission case 2 to the transmission device in the transmission case 41 via the universal joint, and drives the lateral movement device 54 of the seedling placing table 42 and the planting device 47. The seedling placing table 42 has four planting rods 45.
It is divided into 4 wards corresponding to. During the work, a flat plate-shaped seedling mat with earth is placed in each section, and the seedling placing table 42
With the lateral movement of the planting rod 45 from the lower end of the seedling mat 1
Receive the seedlings separately and plant them in the field. When the seedling placing table 42 reaches the end of the left and right moving range, the seedling mat is sent downward by the vertical feeding device, and the planting is continued. In addition, on both sides of the front part of the machine body, a preliminary seedling placing table 58 is provided, the lower end portion of which is supported by columns 57 fixed to the machine body.

A blower 60 is attached to the side surface of the front of the machine body where the engine is installed. As the blower 60, a turbo fan is used in the illustrated example, and the output shaft 3a of the engine 3 to the pulleys 61 and 62 and the belt 6 are used.
The air is supplied through the air hose 64 by being rotated by the power taken out via 3. A tension pulley 65 is provided between the pulleys 61 and 62, and the spring 6 is always provided.
Although it is pressed against the belt 63 by 6 to apply tension to the belt 63, if the tension pulley 65 is lifted against the spring 66, the belt 63 becomes loose and the blower 60
It is configured to cut off the transmission of power to. As the blower, another suitable model such as a roots blower can be adopted.

The air hose 64 passes through the lower side of the step member 9 and is connected to an air tank 70 installed in the seat frame 11. The seat frame 11 works as an enclosure for protecting the air tank 70. The four discharge ports 71, 71, ... Of the air tank 70 are respectively provided by the air hoses 72, 72 ... Taken out from the holes provided in the side portions of the seat frame 11, respectively, and the feeding device provided immediately below the hopper 16 of the feeding device 14. It is connected to 75. Transfer device 75
Is for guiding the fertilizer fed by the feeding device 14 into the transfer hoses 76, 76 ...
It consists of a receiver 77 and a connecting pipe 79 facing the exit of the. Connection pipe 7
An air hose 72 and a transfer hose 76 are respectively connected to both ends of 9, and a receiver 77 is connected to the outer peripheral part.

The lower end of the transfer hose 76 is connected to a discharge port 81 fixed inside the grooving device 80. Groover 8
0 is formed on the boat side by two side plates 80a and 80b and a bottom plate 80c, and is attached to the transmission case 41 by a support plate 82 which is integrally erected on the front part so that the vertical position can be adjusted. This groover 80 has a float 50 at its bottom.
It is supported so as to be lower than the bottom surface of (51), and a groove for fertilization is formed in the field as the machine progresses.

Next, a power transmission device 90 for transmitting power to the feeding device 14 will be described. A transmission shaft 91 is projectingly provided at a rear portion of the transmission case 2 and an end portion protruding rearward from a bearing 92. Is connected to an input shaft 94 of the rice transplanter via a universal joint 93. The rotational power transmitted from the transmission shaft 91 to the input shaft 94 is generated by the bevel gear device 95,
It is transmitted to the transmission device in the transmission case 41 via the pulleys 96, 97 and the belt 98, and drives the rice transplanting device 40.

On the other hand, a chain wheel 100 is attached to an intermediate portion of the transmission shaft 91 between the transmission case 2 and the bearing 92. A driven shaft 101, which is parallel to the transmission shaft 91, is provided above the transmission shaft 91, and a chain wheel 102 provided at a front end portion of the driven shaft located in the seat frame 11 is the transmission shaft 91. It is connected to the chain wheel 100 of 91 and a chain 103. The rear end of the driven shaft 101 is connected to the bevel gear device 105. The bevel gear device 105 transmits rotational power to the feeding device input shaft 109 via the bevel gears 106 and 107, and has a clutch 110 provided therein. The clutch 110 is spring 111,
Bevel gear 10 slidably provided on the input shaft 109 side
7 is urged in a direction in which the bevel gear 106 is meshed with the other bevel gear 106, but if the clutch 110 is retracted against the spring 111, the bevel gears 106 and 107 are disengaged, and the input shaft 1
The transmission of power to 09 is cut off.

FIG. 4 shows a gear box 1 for driving the feeding device.
15 is an explanatory diagram of FIG. 15, in which a chain wheel 116 provided at an end portion of the input shaft 109 is connected to a chain wheel 119 of a first intermediate shaft 117 by a chain 120, and a small gear 121 of the first intermediate shaft 117 is formed.
Is the large gear 123 of the second intermediate shaft 122, and the small gear 124 of the second intermediate shaft 122 is the rotary shaft 1 for the feeding roll 15.
The seven large gears 125 are in mesh with each other. The power transmitted to the input shaft 109 via the bevel gear device 105 is transmitted to the rotary shaft 17 via the gear train in the gearbox 115, and rotates the delivery roll 15. In addition, in the illustrated example, 1
Two feeding rolls 15 and 15 'are provided in the feeding device 14 of the set, but the rotating shaft 1 of the other feeding roll 15' is provided.
26 is rotated through the engagement of gears 127 and 129. Rotational power is transmitted by the rotary shaft 17 to the feeding device 14 provided on the opposite side of the machine body.

When using the riding type rice transplanter 1 with the fertilizer application, fertilizer is put into the fertilizer application tank 13 and the engine 3 is started to drive the rear wheel 5, the feeding device 14, the blower 60,
The rice transplanter 40 and the like are driven. An appropriate amount of fertilizer in the fertilizer tank 13 is fed into the hopper 16 by the feeding roll 15 and is fed into the transfer hose 76 by the feeding device 75. On the other hand, since the transfer hose 76 is supplied with air from the air tank 70, the fertilizer fed into the transfer hose 76 is carried downward by gravity and wind,
It is surely dropped by the grooving device 80 into the groove formed in the field. Grooves after fertilization are floats 50, 51
The seedlings are planted by the planting rod 45 in the vicinity thereof.

Since the riding type rice transplanter 1 with the fertilizer application device drives the fertilizer feeding device 14 by extracting the rotational power from the transmission shaft 91 for transmitting power to the rice planting device 40, a special drive shaft for driving the feeding device, etc. It is not necessary to provide the, and the structure is simple. The transmission shaft 91 is arranged in the seat frame 11 for supporting the seat, and the seat frame 11
Since power is taken out from the transmission shaft 91 inside, it is compact in appearance and safe even without providing a protective cover such as a chain case. Further, if the clutch for stopping the rice transplanting device 40 is disengaged, the rotation of the transmission shaft 91 is stopped and the feeding device 14 can be stopped at the same time, which is convenient.

It is obvious that the above fertilizer application can be used as a chemical spraying device or the like.

[Brief description of drawings]

[Figure 1] Overall side view of a riding-type rice transplanter with a fertilizer application device

[Fig.2] Overall plan view of riding type rice transplanter with fertilizer application

FIG. 3 is an explanatory diagram of a parallel link device.

FIG. 4 is an explanatory diagram of a gear box

[Explanation of symbols]

2 mission case 5 rear wheel 6 front wheel 9 airframe cover 9a rising part 10 driver's seat 14 fertilizer feeding device 40 rice transplanter 90 power transmission device 91 transmission device (transmission shaft)

Front page continuation (72) Inventor Hiroyuki Niiyama No. 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A riding type rice transplanter in which a rice transplanter is vertically mounted through a link device on a rear portion of a traveling vehicle body having front wheels and rear wheels, wherein the traveling vehicle body has a rear portion of a body cover having a step portion. The driver's seat is arranged on the upper part of the rising part provided, and the fertilizer tank and the fertilizer feeding device are arranged above the rear wheel in a side view of the traveling vehicle at a position higher than the upper surface of the rising part, and in the rising part. A riding-type rice transplanter with a fertilizer application, which is provided with a power transmission device that extracts the rotational power of the fertilizer feeding device from a transmission device that transmits power to a rice transplanter from a mission case provided on the traveling vehicle body.