JPH0449860Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial field of application) The present invention relates to a deep fertilization device for paddy fields.

(Prior Art) Conventionally, a fertilization unit including a fertilizer tank, a fertilization pump, a fertilization nozzle, a ground driving wheel, a grass burying device, etc. is attached to a traveling vehicle body, and the fertilization pump is configured to be driven by the ground driving wheel. A deep fertilization device for paddy fields in which the fertilization nozzle is provided on the rear side of the grass burying device is known.

(Problems to be solved by the invention) In the above-mentioned known deep fertilization device for paddy fields, the grass burying device had only one grass burying blade, so the action of the grass burying blade was not sufficient, and the floating grass did not reach the ground driving wheel. There was a problem with the ground drive wheels not rotating correctly due to the tires getting tangled with each other.

Therefore, in the present application, the grass burying blade of the grass burying device has a two-stage structure, front and back, and the shape of the front grass burying blade is devised to prevent floating grass from getting entangled with the ground drive wheel.

(Means for solving the problem) Therefore, in the present invention, the fertilizer tank 1 is attached to the traveling vehicle body 1.
6, a fertilization unit having a fertilization pump 22, a fertilization nozzle 32, a ground drive wheel 39, a grass burying device 25, etc., the fertilization pump 22 is connected to the ground drive wheel 3
In a device configured to be driven by 9,
A front grass-buried blade 26 and a rear grass-buried blade 27 are provided below the drive shaft 38 of the ground-contact drive wheel 39, and an arcuate portion is provided above the front grass-buried blade 26 to prevent the front side of the drive shaft 38. This is a deep fertilization device for paddy fields with a 40-meter diameter.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a running vehicle body of a fertilizer application device. is mounted on a horizontal shaft 4. 5 is the running vehicle body 1
6 is a walking steering handle provided at the rear end of the traveling vehicle body 1 and protrudes rearward; 7 is a fuel tank; 8 is a sprocket and chain for transmitting the rotation of the engine 5 to the transmission 9; It is a built-in transmission case.

Fertilization sections are provided on both left and right sides of the traveling vehicle body 1. The fertilization section includes a left fertilization section 10, a right fertilization section 11, and a connecting rod 1.
2, the entire body is formed into a substantially shape when viewed from the front, and the traveling vehicle body 1 is positioned between the left fertilizing section 10 and the right fertilizing section 11.

The fertilization parts 10 and 11 are separate from the vehicle body 1, and are detachably attached to the vehicle body 1 from above. That is, a pair of mounting rods 13 in the longitudinal direction projecting forward from the connecting rod 12 are provided on the connecting rod 12, and the front ends of the mounting rods 13 are attached to protrusions projecting laterally from the traveling vehicle body 1 from above. Engage and secure with the retaining pin. After the connecting rod 12 is placed on the traveling vehicle body 1, it is similarly fixed with a retaining pin.

The base of a support arm 34 in the left and right direction is fixed to the front side of the mounting rod 13, a mounting table 15 is attached to the tip side of the support arm 14, and a fertilizer tank 16 is mounted on the mounting table 15.
Install. Fertilizer tank 16 is used for standing plants 17 in the field.
It is provided above the space 18 between the plants, and is fixed to the mounting table 15 with a band 19.

The upper end of a transmission case 20 is fixed to the left and right sides of the connecting rod 12, respectively, and a gear box 21 is provided on the outer surface of the upper part of the transmission case 20.
A fertilization pump 22 is provided on the inner surface of the container. The fertilization pump 22 is located at the rear of the fertilizer tank 16, and is located between 18 between the standing plants 17 in the field.

A vertical mounting plate 23 in the longitudinal direction is fixed to the lower end of the transmission case 20, and a through hole 24 is formed in the mounting plate 23. A grass burying device 25 is provided on the mounting plate 23. The grass burying device 25 is provided with a front grass burying blade 26 and a rear grass burying blade 27 positioned approximately in a straight line so as to overlap front and back.

When viewed from the side, the front grass-embedded blade 26 has a semicircular arc portion 40 whose upper portion protrudes upward to the front side.
The lower half portion 41 below the circular arc portion 40 is made to protrude diagonally rearward as it goes downward. The lower half portion 41 is formed into a tapered shape whose vertical width becomes narrower toward the tip. The upper half portion 42 of the lower half portion 41 is formed into a straight line, and the rear half portion 43 below the first half portion 42 is formed into a gentle arc shape.

A mounting portion 28 protruding rearward is formed at the upper rear portion of the front grass-embedded blade 26, and a through hole 2 is formed in the mounting portion 28.
form 9.

The rear grass buried blade 27 is also formed diagonally so as to protrude rearward as it reaches the lower part, and a through hole 31 is formed in the upper part, and the fertilizer pump 22 is provided at the rear edge of the rear grass buried blade 27. Fertilizer nozzle 3 connected to
2 will be provided.

The front grass buried blade 26 and the rear grass buried blade 27 are
The respective through holes 29 and 31 are overlapped with the through holes 24 of the mounting plate 23, and attached with bolts 33.

34 is a sled body, and a bolt 3 is rotatably attached to the lower end of a mounting arm 35 whose upper end is fixed to the mounting plate 23.
Attach by step 6. Mounting plate 2 at the bottom of the transmission case 20
A shaft cylinder 37 is provided above the shaft cylinder 3, a drive shaft 38 is rotatably attached to the shaft cylinder 37, and a ground-contact drive wheel 3 is attached to the drive shaft 38.
Fix 9. The ground driving wheel 39 has a structure in which its rotation is transmitted to the gear box 21 by a sprocket and a chain provided in the transmission case 20, and drives the left and right fertilizer pumps 22, respectively.

Therefore, the grass burying device 25 is connected to the ground driving wheel 3.
The circular arc portion 40 of the front grass-embedded blade 26 is formed to prevent the front side of the drive shaft 38.

(effect) Next, we will discuss the effect.

When the engine 5 is started and the aircraft moves forward, the rear end of the aircraft is supported by the sled body 34, and the ground drive wheels 39
is rotated in contact with the ground, and the rotation rotates the fertilization pump 22 via the gearbox 21.

On the other hand, as the machine moves forward, a grass burying device 25 is provided on the mounting plate 23 at the lower end of the transmission case 20, and the grass burying device 25 has a front grass burying blade 26 and a rear grass burying blade 27. Since the rear grass-buried blades 27 are formed in a straight line in the front and back so that they are on the same trajectory, the rear grass-buried blades trace the grooves created by the front grass-buried blades 26 in the soil of the field. 27 moves forward.

In this case, the advancing front side grass-embedded blade 26 is the lower half part 41
protrudes diagonally backward as it goes downward, and
Since the top and bottom widths are tapered, it sticks into the soil without resistance, allowing you to create trenches with little resistance. Therefore, the aircraft can be moved forward in a stable state.

The fertilizer pump 22 is connected to the fertilizer tank 16.
The paste-like fertilizer inside is sucked out and is injected deeply into the soil from the fertilizing nozzle 32 at the rear edge of the rear grass burying blade 27 for fertilization.

Therefore, the fertilizing nozzle 32 at the bottom of the transmission case 20
The sled body 34 collects weeds and the like floating on the ground as the aircraft travels, and the collected grass clumps gradually increase in amount and become a hindrance to the rotation of the ground drive wheels 39. Here, the grass burying device 25 is formed by providing a front grass burying blade 26 and a rear grass burying blade 27 so as to be positioned in a straight line in the front and back, and the front and rear grass burying blades 26 are as follows when viewed from the side. The circular arc portion 40 is formed into a semicircular shape projecting forward, and the circular arc portion 4
0 is formed so as to prevent the front side of the drive shaft 38 of the ground-contact drive wheel 39, so that weeds, etc. located below the center of the circular arc portion 40 can be removed from the lower half of the circular arc portion 40 by the front edge of the circular arc portion 40. The drive shaft 38 is pushed down to the front half 42 of the upper part 41 to prevent grass or the like from wrapping around the drive shaft 38.

After that, since the lower half 41 of the front grass-embedded blade 26 is making a groove in the soil, the front half 42 of the lower half 41
The weeds, etc. that have been pushed down to this point are buried by the rear half 43 below the front half 42, and the lower end of the rear grass burying blade 27 buries the weeds, etc. that were not buried by the front grass burying blade 26 into the soil. . Therefore, the fertilizing nozzle 32 and the sled body 34 collect weeds floating on the ground, and the drive shaft 3 of the ground driving wheel 39 located between the transmission case 20 and the ground driving wheel 39.
8 to prevent grass from wrapping around the ground drive wheel 39.
rotates accurately and performs the function of applying fertilizer accurately.

(Effects) Conventionally, a fertilization unit including a fertilizer tank, a fertilization pump, a fertilization nozzle, a ground drive wheel, a grass burying device, etc. is attached to a running vehicle body, and the fertilization pump is configured to be driven by the ground drive wheel. A deep fertilization device for paddy fields in which the fertilization nozzle is provided on the rear side of the grass burying device is well known.

In the above-mentioned known deep fertilization device for paddy fields, the grass burying device had only one grass burying blade, so the action of the grass burying blade was not sufficient, and floating grass became entangled with the ground drive wheel, causing the ground drive wheel to rotate incorrectly. The problem was that it didn't.

However, the present invention includes a fertilizer tank 16, a fertilizer pump 22, a fertilizer nozzle 32, and
In a configuration in which a fertilization unit having a ground drive wheel 39 and a grass burying device 25 is attached, and the fertilization pump 22 is driven by the ground drive wheel 39, at a position lower than the drive shaft 38 of the ground drive wheel 39, This is a deep fertilization device for paddy fields in which a front grass buried blade 26 and a rear grass buried blade 27 are provided, and an arcuate portion 40 is formed on the upper part of the front grass buried blade 26 to prevent the drive shaft 38 from moving forward. From, the arc portion 40
The front edge of the arcuate portion 40 pushes down weeds, etc. located below the center of the ground, prevents the grass from wrapping around the drive shaft 38 of the ground drive wheel 39, rotates the ground drive wheel 39 accurately, and accurately applies fertilizer. It has a soothing effect.

[Brief explanation of the drawing]

Figure 1 is a side view of the entire device, Figure 2 is a plan view,
FIG. 3 is an assembled perspective view of the main parts, and FIG. 4 is a side view of the main parts. Explanation of symbols, 1... Traveling vehicle body, 2... Support legs, 3
...Drive wheel, 4...Axle, 5...Engine, 6...
...Walking control handle, 7...Fuel tank, 8...
...Transmission case, 9...Mission, 10...Left fertilizer application section, 11...Right fertilizer application section, 12...Connection rod, 13
...Mounting rod, 14...Support arm, 15...Placement stand,
16... Fertilizer tank, 17... Standing stock, 18...
Stocks, 19...Band, 20...Transmission box, 21...
...Gearbox, 22...Fertilization pump, 23...
Mounting plate, 24... Through hole, 25... Grass burial device, 2
6...Front grass buried blade, 27...Back grass buried blade, 2
8...Mounting part, 29...Through hole, 31...Through hole, 3
2... Fertilizer nozzle, 33... Bolt, 34... Sled body, 35... Mounting arm, 36... Bolt, 37...
Shaft cylinder, 38... Drive shaft, 39... Ground drive wheel, 4
0... Arc part, 41... Lower half, 42... First half, 43... Second half.

Claims (1)

[Scope of utility model registration request] The traveling vehicle body 1 includes a fertilizer tank 16, a fertilizer pump 22, a fertilizer nozzle 32, and a ground drive wheel 39.
A fertilization section having a grass burying device 25 and the like is attached, and the fertilization pump 22 is configured to be driven by a ground drive wheel 39, in which the ground drive wheel 3
The front grass-embedded blade 2 is located below the drive shaft 38 of 9.
6 and a rear grass-embedded blade 27, and an arcuate portion 40 is formed on the upper part of the front grass-embedded blade 26 to prevent the front side of the drive shaft 38.