JPH09289803A - Seeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seeder capable of compactly folding a marker for marking a mark on which the center of the seeder passes on the return way because the marker protruding sideward or upward from the machine body obstructs housing of the seeder. SOLUTION: This seeder has a seeding device installed on a mobile car body and the seeding device has a sending out part for sending out seeds in a tank and seeding parts 19 for seeding the seeds on a ground. The plural seeding parts are arranged both on a lateral frame 28 installed on the rear part of the mobile car body and on a auxiliary frame 30 extended outside from the lateral frame 28 at about a same interval. A marker 55 for marking the mark on which the center of the mobile car body passes on the return way is installed so as to freely rise and fall on the auxiliary frame 30. When the auxiliary frame 30 rotates around an axis 33 of the inner end of the auxiliary frame 30 and stands, the side width of the plural seeding parts 19 is lowered, and the marker 55 which stands on the auxiliary frame 30 is also installed so as to fall down on the frame 28 and lower the height thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in a sowing machine for sowing seeds in a plurality of lines in one step.

[0002]

2. Description of the Related Art A tubular frame, which is significantly longer than its width, is provided at the rear part of a traveling vehicle body, and a plurality of sowing parts for sowing seeds on the ground are evenly arranged on the frame so that a plurality of seeds can be formed in one stroke. It is sown to improve efficiency. In addition, on the return trip, the driver drives the vehicle so that it turns back next to the forward trip.
In order to make the distance between adjacent threads on the forward and return paths coincide with the other threads, draw a line with a marker (line drawing marker) on the forward path at the position where the center of the traveling vehicle passes through on the return path and advance the traveling vehicle along that line. It is designed to let you.

[0003]

In order to improve the efficiency, if the frame is elongated and a large number of seeding parts are attached to it, the width becomes significantly wider than the width of the traveling vehicle body and it is not used. It is sometimes inconvenient. In addition, the outer edge of the marker is
The above inconvenience is all the more so, as it projects far beyond its lateral edges. In addition, the marker is provided so that it can be undulated,
When the marker is erected, it is erected when not in use, but when the marker is erected, its tip remarkably protrudes upward, and a high space is required for storage and the like.

[0004]

In order to solve the above-mentioned problems, the present invention has a sowing device 2 mounted on a traveling vehicle body 1,
The seeding device 2 includes a feeding section 18 for feeding seeds in the tank 21, and a seeding section 19 for sowing the seeds on the ground. The seeding section 19 is composed of a plurality of lateral frames 28 attached to the rear part of the traveling vehicle body 1. Markers 55 are arranged on the auxiliary frame 30 extending outward from the auxiliary frame 30 at substantially equal intervals to mark a position where the center of the traveling vehicle body 1 passes on the return path.
When the auxiliary frame 30 is rotated around the shaft 33 at the inner end of the auxiliary frame 30 to stand upright, the widths of the plurality of seeding parts 19 are reduced and the markers standing upright with respect to the auxiliary frame 30. The seeding machine 30 is provided so that 30 falls on the frame 28 and its height decreases.

[0005]

Next, an embodiment of the present invention will be described. A seeding device 2 with a fertilizer application device is attached to the traveling vehicle body 1. The traveling vehicle body 1 is configured as follows. A main gearbox 4 and a rear wheel gearbox 5 are attached to the front and rear of the frame 3, and a pair of front wheels 6 and a rear wheel 7 are arranged on both sides of each. The engine 8 is mounted on the frame 3, the rotational power of which is adjusted to a predetermined speed in the main gear box 4 and reaches the front wheels 6 and the rear wheels 7, which rotate and run on the paddy field in the paddy field. The body 1 is designed to move forward.

A seat 9 is provided on the engine 8, and a steering handle 11 is provided on an operation box 10 in front of the engine.
Is attached, and the front wheels 6 are steered by the operation to change the traveling direction. The support column 12 extends upward from the rear part of the frame 3, and both ends of a pair of vertically parallel links 13 are rotatably attached to this and a vertical frame 14 at the rear. The front end of the hydraulic cylinder 15 is attached to the frame 3, the piston rod 16 projects obliquely rearward and upward from this, the projection end is connected to the lower link 13, and the valve is operated by operating the lift lever 17 on the left side of the seat 9 When the oil is discharged from the pump by switching the passage and sending it to the hydraulic cylinder 15, the piston rod 16 projects and the vertical frame 14 rises, and when the oil is returned to the tank, the vertical frame 14 descends.

The seeding device 2 comprises a feeding section 18 and a seeding section 19, each of which is constructed as follows. The feeding portion 18 is attached to the rear portion of the traveling vehicle body 1. That is, the feeding case 20 and the tank 21 fixed on the feeding case 20 constitute one unit, and a plurality of the units (in the figure, 1
Because of the 0-row sowing, 10 pieces are fixed side by side after the seat 9. A payout rotor (not shown) is provided laterally in each payout case 20, and is rotated by a common shaft 22. The arm 23 projects forward from the shaft 22, the upper end of the rod 24 is connected to the projecting end, and when the lower crank rotates by the power of the engine 8, the rod 24
Moves up and down and the arm 23 swings, the swing reaches the shaft 22 via the ratchet, and each feeding rotor rotates intermittently to discharge seeds (seed paddy) in the tank 21 downward. It is designed to be fed into the pipe 25.

The tank 21 is divided into a front and a rear by a wall 21a, and seeds and fertilizer are separately stored in the respective tanks. The seed and the fertilizer are separately guided to the left half and the right half of the feeding rotor and fed into the respective discharge pipes 25 by the rotation thereof. A cylindrical air chamber 26 is provided horizontally in front of the discharge pipe 25, and the air pressurized by the blower 27 is blown therein. The air blows through the discharge pipe 25 later, and blows out each seed and fertilizer.

A support frame 28b is provided at the center of the lateral pipe 28a.
Are fixed to form a frame 28, and a supporting frame 28b thereof is swingably attached to a lower portion of the vertical frame 14 by a rolling shaft 29. A pair of auxiliary frames 30 made of a pipe having the same diameter as the pipe 28a are arranged outside the pipe 28a so as to extend the pipe 28a. The pair of support pieces 31 is the pipe 28.
The protruding end of the L-shaped piece 32 protruding upward from the outer end portion of a and protruding from the inner end of the auxiliary frame 30 overlaps with the support piece 31, and both are rotatably connected by the shaft 33 to form the auxiliary frame 30.
Is located on the extension line of the frame 28 (falling down), and the auxiliary frame 30 stands up at the end of the frame 28.

Although not shown, the auxiliary frame 3
The support piece 31 and the L-shaped piece 32 can be fixed by inserting pins into the supporting piece 31 and the L-shaped piece 32 at a position where 0 is undulating, and the undulation can be performed by power from a hydraulic cylinder or the like. The seeding section 19 is provided as follows. The five floats 34 and 35 are the frame 28 and the auxiliary frame 3.
They are arranged under 0 at equal intervals. An arm 36 having an inverted U-shaped cross section extends obliquely downward and downward from the auxiliary frame 30, and a rear portion of the float 35 is rotatably attached to a rear end of the auxiliary frame 30 with a pin 37. It is designed to slide on the mud of paddy fields while swinging around. The arm 38 extends from the auxiliary frame 30 obliquely below and
The pin 40 at the projecting end is inserted into the elongated hole 39a of the link 39, the lower end of which is rotatably attached to the front portion of the float 35, and the swinging of the float 35 causes the pin 40 to become the elongated hole 39a.
It is designed to move inside. When the vertical frame 14 rises, the float 35 is caught by the pin 37 and the front end hangs down. However, if the float 35 hangs down to a certain angle, the link 39
Stop at.

An arm 41 having an inverted U-shaped cross section has a pipe 28.
a is extended rearward from a, and the auxiliary arm 42 has a pin 43
It is mounted so that it can rotate freely. The auxiliary arm 42 has a front end pulled up by a spring 44, a rear end protruding rearward from the arm 41, and a float 34 is rotatably attached to the protruding end by a pin 45. Then, as the traveling vehicle body 1 moves forward, the float 34 sways around the pin 45 and slides on the mud surface.
Is swung around the pin 43 so that the pin 45 moves up and down, and the lower surface of the float 34 follows the mud surface. Arm 4
6 extends from the front end of the arm 41 obliquely downward and the lower end is rotatably attached to the front part of the float 34, and the long hole 4 of the link 47
The pin 48 at its tip is inserted into 7a, which is similar to the float 35 described above.

The floats 35 on both sides are the float 3 in the center.
Since the position of the pin 37 does not move up and down because it is provided longer than 4, the both ends of the frame 28 and the auxiliary frame 30 that are integrated in an extended state slide while supporting at a certain height from the mud surface. Level the mud. When the mud surface between the floats 35 on both sides is uneven, the position of each pin 45 moves up and down, and the lower surface of the float 34 in the center always slides along the mud surface to level the ground.

The front portions of the floats 34 and 35 project to the left and right, and 1 is provided after each of the projecting portions 34a and 35a.
A pair of grooving tools 49, 50 are fixed. Grooving tool 49,
As for 50, the outer one is for seeding with respect to the center of each float 34, 35, 10 are arranged at equal intervals, the inner one is for fertilization, and the lower end of each is for floats 34, 35. Protruding from the underside, these above glides make a groove in the mud.

The rear end of the corresponding blow-out pipe 25 and the grooving tool 49,
50 is connected by a flexible tube 51, seeds and fertilizer blown out from the blow-out pipe 25 are sprayed on the seeding groove and the fertilizing groove, and then buried by the backfill plates 52 and 53. It is like this. It should be noted that instead of the backfill plate 52, a compression wheel may be provided so that the groove is backfilled with mud to lightly compress the mud. Further, the feeding case 20 and the tank 21 are made up of five half, and the rear part of the tube 51 connected to the five discharge pipes 25 for seeds and the discharge pipe 25 for fertilizer is divided into two forks for 10 articles. can do.

A mounting piece 54 is fixed to the projecting end portion of the auxiliary frame 30, and a marker 55 is attached to this. The marker 55 includes a U-shaped turning tool 55a rotatably attached to the attachment 54 by a shaft 56, and a tube 55b extending outward from the turning tool 55a.
It is composed of a wire rod 55c that extends outward from the tip and then bends downward, and a wire drawing portion 55d that reaches the mud surface A (Fig. 3) at its lower end, and when the pipe 55b becomes almost horizontal (when it falls down. ), The lower end of the wire drawing portion 55d penetrates into the mud surface, and when the traveling vehicle body 1 moves forward, the line B (FIG. 3) is drawn to a position where the center of the traveling vehicle body 1 passes through on the next return path. That is, on the return route, when the operator drives the traveling vehicle body 1 with this line B as a mark, the distance between the seeding strip at the end made on the outward route and the adjacent seeding strip made on the return route is equal to that of the other seeding strips. Match the interval. The marker 55 on the other side (the side on which seeds are sown in the previous process) is used by being raised around the pin 56.

Although not shown, if the marker 55 is provided by a spring so as to be drawn clockwise in FIG. 3 and the lever provided near the seat 9 is used to pull the wire back to bring the marker 55 back, rice transplanting is performed. Marker 5 as well as other machines
The undulations 5 are operated remotely at the seat 9. When the seeder is not used, the left and right markers 55 are rotated around the respective pins 56 to raise them, and then the left and right auxiliary frames 30 are rotated around the shaft 33 to raise them. . Then, the seeding parts 19 at both ends are bent upward, and the lateral widths of the plurality of seeding parts 19 are reduced.
5 is folded over the frame 28 and its height is reduced.

The auxiliary frame 30, the marker 55, or both can be made more compact when folded by rotating the auxiliary frame 30, the marker 55, or both to a position where the upper end is slightly inward.

[0018]

[Effect] As described above, according to the present invention, a seeding machine can be obtained in which seeds are sown in multiple strokes in one stroke, and the lateral width of the sowing section 19 is bent upward to reduce its width.
The marker 55 at the time of inconvenience that has protruded upward is folded over the center seeding portion, its height is reduced, and it becomes compact as a whole, which is convenient for movement and storage.

[Brief description of drawings]

FIG. 1 is a side view of a seeding machine according to the present invention.

FIG. 2 is an enlarged side view of a part thereof.

FIG. 3 is an enlarged rear view of a part thereof.

FIG. 4 is an enlarged side view of the float on its side.

FIG. 5 is an enlarged cutaway side view of the float in its center.

[Explanation of symbols]

 1 Traveling Vehicle 2 Seeding Device 18 Feeding Part 19 Seeding Part 21 Tank 28 Frame 30 Auxiliary Frame 33 Axis 55 Marker

Claims (1)

[Claims] 1. A sowing apparatus 2 is mounted on a traveling vehicle body 1, and the sowing apparatus 2 comprises a feeding section 18 for feeding seeds in a tank 21 and a sowing section 19 for sowing the seeds on the ground. A marker 55, which is constructed and is arranged at a substantially equal interval on a horizontal frame 28 attached to the rear portion of the traveling vehicle body 1 and an auxiliary frame 30 extending outward from the frame 28, marks a position where the center of the traveling vehicle body 1 passes on the return path. When the auxiliary frame 30 is rotatably provided on the auxiliary frame 30 and rotates around the shaft 33 at the inner end of the auxiliary frame 30 to stand upright, the lateral widths of the plurality of seeding portions 19 are reduced and the auxiliary frame 30 stands upright. The seeding machine is provided so that the marker 30 that has been placed falls on the frame 28 and its height is lowered.