JP3189830B2 - Riding rice transplanter with fertilizer application - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention belongs to the technical field of a riding type rice transplanter with a fertilizer application device.

[0002]

2. Description of the Related Art Conventionally, when a fertilizer is attached to a riding type rice transplanter in which a seedling planting work machine is mounted on a rear portion of a riding type traveling vehicle body via a link, in order to improve the front-rear weight balance of the body, In some cases, a plurality of fertilizer feeding devices provided with a fertilizer tank on the upper side are arranged at the rear of a riding type traveling vehicle body.

[0003]

When the above-mentioned conventional riding type rice transplanter with a fertilizer application device is actually commercialized, the support structure of a plurality of fertilizer feeding devices disposed at the rear of the riding type traveling vehicle body is simplified as much as possible. There is a problem that the weight of the fuselage must be reduced.

[0004]

According to the present invention, in order to solve the above-mentioned problems, a seedling planting machine 3 is mounted on a rear part of a riding type traveling body 1 via a link 2 and a fertilizer tank 22 is provided on an upper side.
In a multiple fertilizer feeding device 23 provided disposed to the rear of riding the vehicle body 1 fertilizing device with riding rice transplanter, before
The plurality of fertilizer feeding devices 23 are moved after the seat 16 of the traveling vehicle body 1.
Side-by-side and arranged side by side in the vicinity
Of the fertilizer feeding device 23 arranged on the left and right
A riding type rice transplanter with a fertilizer application device, wherein the seat 16 is movably provided so as to widen a front space .

[0005]

According to the present invention, a plurality of fertilizer feeding devices 23 provided with a fertilizer tank 22 on the upper side are arranged at the rear portion of the riding type vehicle body 1 , and the plurality of fertilizer feeding devices 23 are provided.
In the left and right rows near the rear side of the seat 16 of the traveling body 1
It is a riding type rice transplanter with a fertilizer applicator having a good weight balance before and after the arrangement , and among the plurality of fertilizer feeding devices 23
The space in front of the fertilizer feeding device 23 located at the left and right
The seat 16 is provided so as to be movable so that the seat 1 can be moved.
6, a fertilizer feeding device 23 is arranged near the rear side.
Inspection of fertilizer feeding device 23 arranged on the left and right center side while
Can be easily performed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the drawings. Reference numeral 1 denotes a riding type traveling body, which is connected to a seedling planting machine 3 via a link 2 at the rear. 4 is a body frame. Front wheels 5 and 5 and rear wheels 6 and 6 are provided on the lower side and left and right.
A steering transmission 8 for transmitting the steering operation of the steering handle 7 is provided on the front end side, and the H of the continuously variable transmission mechanism is provided behind the steering transmission 8.
Rear differential 10 of differential mechanism between ST unit 9 and rear wheels 6, 6
Is arranged behind the HST unit 9.
Transmission 11, which transmits the rotational power of the motor to each part at a reduced speed,
A front differential 12 of a differential mechanism for the front wheels 5, 5 is provided,
Further, an engine 13 is mounted behind it. The transmission to the rear wheels 6, 6 is performed by the rear case 10b, 1 by the rear wheel transmission shafts 10a, 10a via the universal joint from the rear differential 10.
0b and transmitted to the rear wheels 6,6. The layout described above is a rice transplanter or tractor that works by connecting a heavy work machine to the rear side of the traveling body, and the balance weight is attached to the front side so that when the work machine is connected, the center of gravity is not leaned backward What has been done is that a desired weight balance can be realized without separately mounting the balance weight. Therefore, with this efficient layout, the weight of the entire body is no longer made unnecessarily heavy, and the weight of the entire body can be significantly reduced.

[0007] A step floor 14 is provided so as to cover the upper side of each power transmission device on the above-mentioned body frame 4. The floor 14 is integrally connected to an engine cover 15 that covers the upper side of the engine 13. Furthermore,
A seat 16 is arranged above the engine cover 15.

Reference numeral 17 denotes a transplantation device, and 18 denotes a seedling mounting table. Each of them is equipped with 6 plants, and 6
The table is wide enough to hold the seedlings, and the transplanting device 17 is equipped with six plants corresponding to the planting of six lines. The seedling mounting table 18 has a lower side supported by the transplant transmission case 19 and an upper rear surface supported by telescopic support rods 18b, 18b pivotally attached to the rear ends of the rear cases 10b, 10b. The left and right reciprocating mechanism reciprocates left and right, and supplies the seedlings placed on the seedling mounting table 18 to the transplanting device 17. The transplanting device 17 separates and holds one plant at a time from the seedling mounting table 18 while planting it in a field while the tip planting part draws an elliptical locus. The power transmission to the planting transmission case 19 is transmitted from the transmission 11 on the fuselage side to the relay gear case 11b by the transmission shaft 11a, and from there the transmission shaft 11c.
Thus, power is transmitted to the planting transmission case 19.

Reference numeral 20 denotes a leveling float, which is mounted so as to be hung below the planting transmission case 19, and slides while the level of the lower surface of the float is level on the mud surface of the field. Reference numeral 40 denotes a spare seedling mounting table, and the lower end of the support frame is fixed to the body frame 4.

The link 2 comprises an upper link 2a, a lower link 2b, a machine body side link base 2c, and a work machine side link base 2d. The body-side link base 2c is erected and fixed at the rear end of the body frame 4. The work implement side link base 2d is connected to the planting transmission case 19 in a freely rolling manner. An elevating arm 2e is fixed to the body side of the upper link 2a, and the distal end side of the piston rod of the hydraulic cylinder 2f is connected to the arm 2e. The base of the hydraulic cylinder 2f is pivotally connected to a horizontal frame 4a fixed to the body frame 4 below the engine 13, and when the hydraulic cylinder 2f operates to project the piston rod, the arm 2e rotates. And upper link 2
a rotates upward.

Reference numeral 21 denotes a fertilizer application device, which includes a fertilizer tank 22, a fertilizer feeding device 23, a fertilizer application hose 24, a groove generator 25, an air blower 26, an air chamber 27, and the like. As shown in FIGS. 3 and 4, an air chamber 27 is fixed to the upper end of a link base 2 a on the vehicle body 1 side of the link 2 on the rear side of the seat 16.
7, the fertilizer feeding devices 23 are fixed in a line on the left and right ,
Further, a fertilizer tank 22 is mounted above the feeding device 23. The air chamber 27 also serves as a component of a support member of the fertilizer application device 21.

The fertilizer tank 22 is provided with a fertilizer supply port which is opened and closed by a lid 22a on an upper side, and a fertilizer feeding device 2 on a lower side.
A fertilizer discharge port is provided so that the fertilizer can be dropped in 3. There is a shutter on the discharge port of the fertilizer tank 22 to open and close it.
Since a tank (not shown) is provided, when the tank 22 is removed from the feeding device 23, the discharge port can be closed, so that even if fertilizer remains in the tank 22, it can be removed without spilling. Further, the tank 22 is provided with a sensor 22b for detecting that the amount of fertilizer in the tank 22 has decreased, for each tank 22.
When b detects a decrease in fertilizer, a fertilizer replenishment alarm (buzzer,
And a lamp). Further, an interlocking configuration may be employed in which the clutch is disengaged by operating the actuator, and the running, planting, and fertilizing work are temporarily stopped.

The feeding devices 23 are provided for each strip. In this case, the feeder 23
Are provided corresponding to each planting strip. Each feeding device 23 has a fertilizer supply port on the upper side into which fertilizer enters, and a fertilizer discharge port on the lower side, and is driven and rotated by a feed drive shaft 28 arranged in the left-right direction to feed the fertilizer to the discharge port. A fertilizer feeding body of a cylindrical roll is mounted. The fertilizer feeding body has an outer periphery from which the fertilizer is fed by a predetermined amount and a concave feeding groove along the axial direction at a constant pitch in the roll circumferential direction. The width of the feed groove can be adjusted in the roll axis direction, so that the unit feed amount can be adjusted. The transmission to the feed drive shaft 28 is performed by projecting a drive shaft for driving the fertilizer 21 from a relay gear case 11b that relays by transmission from the transmission 11 to the planting transmission case 19, and an arm is provided on the drive shaft. Mounted,
It can be changed to crank motion through its arm and rod. The other end of the rod is connected to an arm 28b via a one-way clutch to the feeding drive shaft 28, and the crank motion of the arm causes the feeding drive shaft 28 to rotate intermittently in one direction.

The fertilizer hose 24 serves as a fertilizer transport path for feeding the fertilizer fed by the feeding device 23 to the groove generator 25. The ditch cultivator 25 is provided near the planting position of the leveling float 20, and forms a ditch for dropping fertilizer into a fertilized place in a field. The air blower 26 is for the engine cover 15
The air warmed by the engine 13 is blown into the fertilizer hose 24 through the air chamber 27, and the fertilizer fed by the feeder 23 is forcibly conveyed through the hose 24 to the groove generator 25. Things.

[0015] Therefore, the foregoing description and from the drawings, the fertilizing device with riding rice planting machine, the front-rear weight balance disposed on the rear of a plurality of fertilizer feeding device 23 provided with a manure tank 22 to the upper riding vehicle body 1 It is a riding type rice transplanter with a good fertilizer application device, and a plurality of fertilizer feeding devices 23,
Since the links 2 are arranged side by side in a line on the left and right in the vicinity of a link base 2c for supporting the rotation of the link 2 in a side view of the machine body and supported by the link base 2c, the support structure of the plurality of fertilizer feeding devices 23 is Thus, a simple support structure using the link base 2c is provided, and thus the weight of the body can be reduced.

The seat 16 is configured as follows. The seat 16a is installed on the upper side of the engine cover 15 so as to be slidable in the left-right direction. That is, the seat-side rails 29, 29 fixed to the bottom surface of the seat 16a.
Are the body-side rails 30, 30 fixed to the cover 15 side.
Are fitted so that they can be fitted to each other and slid in the left-right direction. A plurality of rollers 31... Are freely provided between the body side rails 30.
The left and right sliding of 30 is performed smoothly. Further, right and left stoppers 32a and 32b and left and right stoppers 33a and 33b are fixed to both rails 29 and 30, respectively. For example, figure
When the seat 16a slides to the right as shown in FIG. 4 , the seat-side rail 29 is not disengaged from the fuselage-side rail 30 and is supported even if the seat 16 has some load. Stopper 3 fixed to
2a abuts against a stopper 32b fixed to the front side of the body side rail 30 correspondingly, and further sliding to the right is stopped. Similarly, the stopper 33a fixed to the rear side of the seat-side rail 29 abuts against the stopper 33b fixed to the rear side of the body-side rail 30 corresponding to the leftward sliding, and the left side is further moved. The sliding of the seat 16 in the direction is stopped. And this
In the case of, as shown in FIG.
The space in front of the feeding device 23 expands. Therefore, the seat 16
The fertilizer feeding device 23 is arranged near the rear side.
Inspection of the fertilizer feeding device 23 arranged on the left and right central sides
Easy to do.

The backrest 16b is provided at the upper end of support rods 16c, 16c erected on the rear side of the seat 16a so as to be pivotable forward and downward by a pin 16d. I have.
When the backrest 16b is standing,
When the seat 16 restricts the left and right sliding of the seat 16 in the neutral position in the left and right direction, and falls down, the left and right sliding of the seat 16 is enabled. That is, the seat side rail 29 has a pin hole 29a, and the fuselage side rail 30 has a cutout portion 30a.
, Which are arranged so as to overlap each other at the neutral position of the left and right of the seat 16. A pin 34a fixed to one end of the inner of the wire 34 in the pin hole 29a
And the pin 34a of the rail 3
If the vehicle has entered the notch 30a of the seat 0, the seat-side rail 2
9 cannot slide with respect to the body side rail 30. The other end of the wire 34 is connected to the lower end of the backrest 16b. When the backrest 16b is turned downside down, the inner of the wire 34 is pulled, and the pin 34a of the wire 34 on the seat side is disengaged from the notch 3a of the body side rail 30. This allows the seat 16 to slide left and right. In addition, the inner side of the wire 34 is configured such that the pin 34 a is
It is urged in a direction to enter the 0 notch portion 30a.

Further, the locking portion of the lid 22a of the fertilizer tank 22 may be disengaged and opened in conjunction with lowering the backrest 16b. Alternatively, the drive transmission is cut off by the detection signal of the sensor 22b detecting that the fertilizer is low, and the fertilizer tank 2
It may be interlocked so that the locking portion of the second lid 22a may be disengaged, or may be interlocked so that the seat 16 can be slid left and right.

The seat 16 configured as described above raises the backrest 16b during the driving operation to bring the seat 16 into a normal use state for driving. Backrest part 1 when supplying fertilizer
6b is laid down, and a heavy bag A containing fertilizer to be supplied is placed on the upper side of the laid back portion 16b. And
The fertilizer tanks 22 can be supplied with fertilizer without lifting the heavy fertilizer bag A. The fertilizer tanks 22 arranged on the left and right end sides are supplied with fertilizer in the seat 1.
6 can be slid right and left, so that the fertilizer tanks 22 and 22 disposed immediately behind the seat 16 can be easily fed as in the fertilizer replenishing operation. Therefore, it has been reduced that the labor was conventionally spent lifting the heavy fertilizer bag A containing the fertilizer when replenishing the fertilizer. In addition, the labor can be reduced without providing a separate fertilizer mounting table.

Further , as shown in FIG. 6 , the seat may be provided on a seat 16 'rotatable left and right about a vertical axis as a rotation axis. That is, similarly to the above-described configuration, the pin fixed to the end portion via the wire 36 is fitted into the pin hole on the seat-side rotary shaft 37 side, enters the pin hole on the body-side rotary shaft 38 side, and The state in which the rotation of the rotary shaft 37 is restricted is removed by lowering the backrest 16'b, and the seat 16 'can be rotated. Seat 1
The left and right slides 6 ′ are provided so that the lever 39 controls the slide regulation of the seat side rail 29 and the body side rail 30 by the lever 39. If the seat is made rotatable left and right in this manner, operation of the working machine 3 connected to the rear of the vehicle body 1, supply of the seedling table to the seedling table 18, and fertilizer to the fertilizer tank provided at the rear of the seat can be performed. Replenishment can be done while sitting.

[0021] Incidentally, in conjunction with the backrest portion 16b to cause lodging, may open the locking of the lid 22a of the fertilizer tank 22 is disengaged. In addition, according to the detection signal of the sensor 22b which detects that the fertilizer is low, the driving transmission is cut off by the clutch being disengaged, etc., and the fertilizer tank 22
May be interlocked so that the locking portion of the lid 22a may be disengaged, or may be interlocked so that the seat 16 can be slid left and right. In addition, the present invention can be similarly implemented even if a seeding device is provided instead of the fertilizer device.

[Brief description of the drawings]

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

FIG. 2 is a plan view of a riding rice transplanter with a fertilizer application device.

FIG. 3 is a side view showing a part of a riding type rice transplanter with a fertilizer application device.

FIG. 4 is a front view showing a part of a riding type rice transplanter with a fertilizer application device.

FIG. 5 is a sectional side view showing a part of a riding type rice transplanter with a fertilizer application device.

FIG. 6 is a partial side view showing another configuration of a part of the riding rice transplanter with a fertilizer application device.

[Explanation of symbols]

1: Riding type traveling body 2: Link 3: Seeding planting machine 16: Seat 21: Fertilizer application device 22: Fertilizer tank 23: Fertilizer feeding device

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor, Hisashi Kamiya 1 Toya-cho, Tobe-cho, Iyo-gun, Ehime Pref. JP-A-57-63015 (JP, A) JP-A-57-171815 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01C 15/00 A01C 11/00 302

Claims (1)

(57) [Claims] 1. A seedling planting machine 3 is mounted on a rear portion of a riding type traveling vehicle body 1 via a link 2, and a plurality of fertilizer feeding devices 23 provided with a fertilizer tank 22 on an upper side thereof are mounted on a rear portion of the riding type traveling vehicle body 1. in the placed fertilized device with riding rice transplanter in the double
The number of fertilizer feeding devices 23 is set near the rear side of the seat 16 of the traveling vehicle body 1.
The plurality of fertilizer feeding devices 2 are arranged side by side in a row on the left and right.
3 in front of the fertilizer feeding device 23 arranged on the left and right center sides
A riding type rice transplanter with a fertilizer device, wherein the seat 16 is movably provided so as to widen a space .