JPH04108302A - Seedling transplanter - Google Patents

Abstract

PURPOSE:To reduce clogging of a fertilizer in hoses by attaching the upper end of the hoses to a fertilizer applicator unit so that the hoses may pass through an I-shaped or U-shaped space part of a gear box and reach a furrow opener attached to a float. CONSTITUTION:Respective fertilizer applicator units 40 are equipped with a tank 42 for accommodation of a fertilizer and a rotor 43 for discharging the fertilizer so that the discharged fertilizer may reach the inside of the respective lower pipes 44. A common shaft 45 is attached to the respective rotors 43. The end part of a rotary arm 46 of a running car body 1 is connected through a rod 47 to a lever 48 of the shaft 45 so that the shaft 45 may intermittently rotate through a ratchet in accordance with rotation of the arm 46. The upper end part of the respective hoses 49 is connected to the left end part of the respective pipes 44 and the lower end part thereof reaches a furrow opener 50 attached to a float 37. Amoung four hoses 49, e.g. inner two hoses are designed so as to pass through an I-shaped space part of a gear box 11 on its way and to reduce curvature.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a seedling transplanter equipped with a fertilization device.

(Prior Art) A seedling planting machine equipped with a fertilizing device has been put into practical use in which the fertilizing device is provided behind the seedling planting device. Also,
Although it has been proposed that the fertilizing device is placed in front of the seedling planting device, it has not been put to practical use at all.

(Problems to be Solved by the Invention) In a seedling planting machine in which the fertilizing device is installed behind the seedling planting device, the hose that connects the fertilizing device and the furrowing device is short and straight, so it is difficult to apply fertilizer to the hose. It causes less clogging and is reasonable in this respect. However, in the case of a riding-type seedling transplanter in which the seedling planting device is attached to the rear of the vehicle body with a link and moves up and down, when the device is pulled up from the mud surface, it becomes rear balanced and the running becomes unstable. do not have.

On the other hand, a seedling planting machine in which the fertilizing device is installed in front of the seedling planting device improves the above-mentioned weight balance, but the hose is long and bends, so the hose may become clogged with fertilizer, making it unsuitable for practical use. It has not been.

This invention solves these problems by devising a gear box located in the center of the seedling planting device.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides wheels 3, 4,
a traveling vehicle body 1 that moves forward with the rotation of the vehicle body 1; and a seedling planting device 5 mounted at the rear of the traveling vehicle body 1 so as to move up and down with a link 6.
The seedling planting device 5 is equipped with a fertilizing device 40 provided in front of the seedling planting device 5, and a gear box 11 in the center, a seedling platform 26 that moves from side to side on the gear box 11, and a seedling platform 26 located behind the seedling platform 26. It has a seedling planting rod 36 that rotates to transplant seedlings and a float 37 that slides on the mud surface under the gear box 11, and the gear box 11 is connected to the upper case 11a.
and the lower case 11b are formed into a king-shape or a U-shape when viewed from the front and back, and a seedling stand 26 and a lateral movement rod 2 for moving left and right.
2 is supported by the upper case 11a, and a planting case 30 with a seedling planting rod 36 attached to the rear end extends backward from the lower case 11b passing under the seedling stand 26, and the upper end is attached to the fertilizer application device 40. The seedling transplanter is characterized in that the hose 49 passes through the O-shaped or U-shaped space of the gear box 11 and reaches a groove maker 50 provided on the float 37.

(Function) Since this invention is configured as described above, the seedling planting device 5
is pulled by the traveling vehicle body 1, and the float 37 is moving forward while sliding on the muddy surface of the paddy field.

Here, the mat-shaped seedlings on the seedling platform 26 are moved from side to side by the seedling platform 26, and the tip of the seedling planting rod 36 passes through the exit part from top to bottom. are successively cut out laterally and the float 37 is transplanted onto a leveled mud surface. At this time, the fertilizer applicator 40 feeds out fertilizer, which is guided to the furrower 50 by the hose 49, and is applied next to the seedlings to be transplanted.

(Effect) According to the present invention, as described above, since the fertilizing device 40 is provided in front of the seedling planting device 5, the heavy fertilizing device 4
0 is closer to the front, and the weight balance is greatly improved compared to the one at the rear. The gear box 11 is formed into a single-shaped or U-shaped shape when viewed from the front and back, and a hose 49 is provided through this single-shaped or U-shaped space. is the groove maker 5
0, this hose 49 is provided with fewer bends and the possibility of fertilizer clogging therein is generally reduced.

(Example) Next, this invention will be explained in detail.

As shown in FIG. 1, the running vehicle 1 is configured such that the rotation of the engine 2 is transmitted to a pair of front wheels 3 and a pair of rear wheels 4, and the vehicle moves forward in the paddy field using these rotations.

A seedling planting device 5 is attached to the rear of the traveling vehicle body 1 using upper and lower links 6 to form a riding-type seedling planting machine.

The arm 7 of the upper link 6 is rotated by a rod 9 protruding from the cylinder 8, and the mounting frame 1 at the rear end of each link 6 is rotated.
It is designed so that 0 moves up and down in parallel.

A gear box 11 of a seedling planting device 5 is attached to a rolling shaft 1 on a mounting frame 10.
It is provided to rotate around 2. As shown in FIG. 2, this gear box 11 is constructed by connecting a horizontal upper case 11a and a lower case 11b with a central vertical case 11c.
It is shaped like a single character when viewed from front to back. The horizontal shaft 13 is supported by the lower case 11b, and the bevel gear 1 is fixed thereto.
4 meshes with the bevel gear 16 of the input shaft 5, and the rotation of the engine 2 of the traveling vehicle body 1 is introduced through the propeller shaft 17. The gear 18 fixed to the horizontal shaft 13 meshes with the gear 20 of the intermediate shaft 19, and the gear 21b of the lead cam shaft 21 supported laterally on the upper case 11a meshes with this gear 20, causing the horizontal shaft 13 to rotate and rotate. 21
It is designed to convey the message. A lead cam 21a having a reciprocating thread groove is provided integrally with the lead cam shaft 21. A lateral movement rod 22 is supported by the upper case 11a so as to be able to move left and right, and the end of a connecting rod 23 fixed to this rod covers the lead cam 21a, and a pawl (not shown) engages with the thread groove, thereby moving the lead cam 21a. When rotates, the continuous rod 23
moves left and right to push and move the horizontal movement rod 22.

As shown in Figure 1, the rail 24 is fixed horizontally to the fuselage,
The end of the support 25 where the gear box 11 extends upward and this rail 24
The seedling stand 26 is supported so as to move from side to side. The tips of the arms 27 at both ends of the horizontal movement bar 22 are connected to the back side of the seedling platform 26, and the seedling platform 2 is moved by the left and right movement of the horizontal movement bar 22.
6 is designed to move left and right. It is also possible to provide a speed change device in the transmission mechanism between the horizontal shaft 13 and the lead cam shaft 21 to change the amount of horizontal movement of the seedling platform 26 so that the width of the horizontal claws of the seedlings can be adjusted. A part of the bottom of the seedling platform 26 is made of a belt 28, and when the seedling platform 26 comes to the side edge, the lever (not shown) of the shaft that drives the belt 28 is attached to the arm 29 of the lead cam shaft 21. It is designed to be pressed and turned once.

A pair of left and right planting cases 30 extend rearward from both ends of the lower case 11b, and rotating cases 31 are supported by shafts 32 on both sides of the respective rear ends. Sprocket 33 of horizontal shaft 13
A chain 35 is wound around a sprocket 34 of a shaft 32 so that the rotating case 31 rotates together with the shaft 32. A planetary gear group is provided inside the rotation case 31, and the rotation of the rotation case 31 causes the seedling planting rods 36 at both ends to turn in the same posture when viewed from the side. The tip of this seedling planting rod 36 is the seedling stand 2.
Turn so as to pass through the lower end of 6 from top to bottom,
Cut out the seedlings on the seedling stand 26 and insert them into the mud surface.

A float 37 is attached to the gear box 11 and the planting case 30 by a link 38 and an arm 39, and slides on the mud surface as the traveling vehicle body 1 moves forward, leveling the area where the seedlings are to be transplanted.

The same number of fertilizing devices 4 (four in the figure) as the seedling planting rods 36 arranged in the tank
0 is mounted on a support post 41 at the rear of the vehicle body 1. Each fertilizing device 40 has a tank 42 containing fertilizer.
and a rotor 43 that delivers the fertilizer, and the delivered fertilizer reaches into each vibrator 44 below. A common shaft 45 is provided for each rotor 43. The tip of a rotary arm 46 of the traveling vehicle body 1 is connected to a lever 48 of a shaft 45 through a rod 47, and as the arm 46 rotates, the shaft 45 is intermittently rotated via a ratchet (not shown). The upper end of each hose 49 is connected to the left end of each vibrator 44, and the lower end is connected to the float 3.
It has reached the groove maker 50 attached to 7. And 4
Of the hoses 49, the inner two have gear box 1 in the middle.
It is installed so that it passes through the construction type space of No. 1 and has little bending.

Note that a blower 51 is provided beside the engine 2, and the air discharged from the blower 51 is regulated in an air chamber 52 and blown into the left end of each vibrator 44.

The gear box 11 can also be formed into a U-shape as shown in FIG. In this case, it is a good idea to connect each tip of the U-shape with a support plate or other means for reinforcement.

[Brief explanation of drawings]

Fig. 1 is a side view of a seedling transplanter according to the present invention, Fig. 2 is a diagram of its transmission mechanism, and Fig. 3 is a diagram of its transmission mechanism showing another embodiment. The symbols in Figure 1 are as follows. 1 Traveling vehicle body 3 Front wheel 4 Rear wheel 5 Seedling planting device 6 Link
11 Gear box 11a Upper case 11b Lower case 22
Lateral movement rod 26 Seedling stand 36 Seedling planting rod
37 Float 40 Fertilization device 49
Hose 50 Groove machine

Claims (1)

[Claims] A traveling vehicle body 1 that moves forward by rotation of wheels 3 and 4, and a traveling vehicle body 1
The seedling planting device 5 is equipped with a link 6 to move vertically at the rear of the seedling planting device 5, and a fertilizing device 40 is provided in front of the seedling planting device 5. It has a seedling platform 26 that moves left and right on top of it, a seedling planting rod 36 that rotates behind the seedling platform 26 to transplant the seedlings, and a float 37 that slides on the mud surface under the gear box 11. Reference numeral 11 is formed into an I-shape or a U-shape when viewed from the front and back by an upper case 11a and a lower case 11b, and a seedling stand 26 and a horizontal movement rod 22 for moving left and right are supported by the upper case 11a, and a rear end The planting case 30 to which the seedling planting rod 36 is attached is the lower case 11
A hose 49 that extends backward from b to pass under the seedling stand 26 and has its upper end attached to the fertilizing device 40 passes through the I-shaped or U-shaped space of the gear box 11 and is installed on the float 37. A seedling planting machine characterized by having a groove cutting device of 50.