JP2000032822A - Manuring rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manuring rice transplanter capable of excellently keeping the right and left balance of a main body and nicely securing safety and steering operability of a main body by installing fertilizer tanks at specific positions. SOLUTION: In this manuring rice transplanter A in which a transplanting part is connected through a lifting and lowering mechanism 3 to the rear of a traveling part 1, the traveling part 1 is equipped with fertilizer tanks 46 storing a pasty or liquid fertilizer and a manuring pump communicating with and connected to the fertilizer tanks 46, the transplanting part is provided with a fertilizer spraying nozzle 48 and the fertilizer spraying nozzle 48 communicates with and is connected to the manuring pump, the fertilizer tanks 46 are installed at both right and left sides of a seat 23 attached to the traveling part 1, both the fertilizer tanks 46 mutually communicate and are connected through a communicating hose and the communicating hose communicates with and is connected to the manuring pump. Preferably, the traveling part 1 is furnished with a rear step part at a position right behind the seat 23 and the communicating hose is laid behind the rear step part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a fertilizer rice transplanter.

[0002]

2. Description of the Related Art Conventionally, as one form of a fertilizer rice transplanter, a fertilizer tank in which a pasting or liquid fertilizer is stored in a traveling part by connecting a planting part behind a traveling part through a lifting mechanism. There is a fertilizer pump connected to a fertilizer tank and a fertilizer jet nozzle provided at a planting portion, and the fertilizer jet nozzle is connected to the fertilizer pump.

[0003] The fertilizer tank is disposed on the right side of a seat provided in the traveling section.

[0004]

However, in the above-described fertilized rice transplanter, since the fertilizer tank is arranged on the right side of the traveling section and on the right side of the seat having a high ground clearance, the fertilizer tank is moved to the right side. The aircraft has a large fall angle, and has problems in safety and steering operability.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a fertilizer tank in which a planting section is connected to the rear of a traveling section via a lifting mechanism, and the traveling section stores a paste-like or liquid fertilizer. A fertilizer pump connected to the fertilizer tank is provided, and a fertilizer ejection nozzle is provided at the planting portion, and the fertilizer padding machine is connected to the fertilizer ejection nozzle and the fertilizer pump. Fertilizer tanks are provided on both sides of the fertilizer tank, and both fertilizer tanks are connected to each other via a communication hose, and the communication hose is connected to a fertilizer pump. It is assumed that.

The present invention also has the following configuration.

A rear step portion is formed at a position immediately behind the seat in the traveling portion, and a communication hose is disposed behind the rear step portion.

A switching valve interposed between the fertilizer application pump and the fertilizer ejection nozzle is disposed on the rear step portion, and is provided at a position rearward of the rear step portion and at a position above the lifting mechanism. The communication hose is arranged.

[0009] A drain hose is connected to one of the left and right sides of the communication hose, and the communication hose is arranged such that one side to which the drain hose is connected is positioned lower than the other side.

[0010]

Embodiments of the present invention will be described below.

That is, the fertilized rice plant according to the present invention has, as a basic structure, a fertilizer tank in which a planting portion is connected to the rear of a traveling portion via a lifting mechanism, and a paste-like or liquid fertilizer is stored in the traveling portion. And a fertilizer pump connected to the fertilizer tank, and a fertilizer jet nozzle is provided at the planting portion, and the fertilizer jet nozzle is connected to the fertilizer pump.

The fertilizer application planter has a characteristic structure in which a fertilizer tank is disposed on each of the left and right sides of a seat provided in a traveling unit, and both fertilizer tanks are connected to each other through a communication hose. The communication hose is connected to the fertilizer pump.

[0013] In this way, the right-left balance of the body can be maintained well, and the safety and steering operability of the body can be ensured well.

Since the left and right fertilizer tanks are connected to each other via a communication hose, the remaining amount of fertilizer in both fertilizer tanks can be kept uniform. Can be kept good.

Further, since the communication hose is connected to the single fertilizer application pump, the structure can be simplified.

Further, since the fertilizer tanks on the left and right sides are disposed on both the left and right sides of the seat, the two fertilizer tanks also function as protection members for the operator sitting on the seat, thereby ensuring the safety of the operator. be able to.

Further, a rear step portion is formed at a position immediately behind the seat in the traveling portion, and a communication hose is disposed behind the rear step portion.

[0018] In this way, there is no problem that the operator performing the seedling work to the planting section at the rear side step section crushes the communication hose, and the operator can easily care for the seedling without worrying about it. You can do the following:

Further, there is no possibility that the operator gets a foot on the communication hose, and safety can be ensured.

A switching valve interposed between the fertilizer application pump and the fertilizer ejection nozzle is disposed on the rear step portion, at a position rearward of the rear step portion, and above the lifting mechanism. The communication hose is arranged at a position.

In this way, the communication hose is not hindered when the switching valve is operated, and no troubles such as the communication hose being inserted into the elevating mechanism when the planting section is moved up and down.

In addition, a drain hose is connected to one of the left and right sides of the communication hose, and the communication hose has one side connected to the drain hose positioned lower than the other side.

In this way, the fertilizer in the fertilizer tanks on the left and right sides can be discharged from one drain hose, so that the fertilizer discharging operation can be simplified and the structure can be simplified. Manufacturing cost can be reduced.

[0024]

Embodiments of the present invention will be described below with reference to the drawings.

A shown in FIGS. 1 and 2 is a fertilized rice transplanter according to the present invention. In the fertilized rice transplanter A, the planting unit 2 is connected to the rear of the traveling unit 1 via a lifting mechanism 3. I have.

The traveling section 1 is provided with a motor section 11 at the front of a body frame 10 extending in the front-rear direction, and a transmission section 12 interlocked with the motor section 11 at the rear, and the motor section 11 and the transmission section 12 are provided. Arrange the driving unit 13 between
A front axle case 14 is provided in a portion of the body frame 10 located below the driving section 13, and front wheels 15, 15 are mounted on left and right sides of the front axle case 14, respectively, while a rear end of the body frame 10 is provided. Rear axle case 16
And rear wheels 17, 17 are mounted on the left and right sides of the rear axle case 16, respectively.

The operating section 13 has a handle column 20 integrally erected at the rear of the prime mover section 11 and
A handle 21 is attached to an upper end of the handle 20 via a handle support shaft 22, a seat 23 is disposed at a position behind the handle 21, and a step portion 24 is stretched between the handle 21 and the seat 23. .

The step portion 24 raises the rear end portion upward, extends rearward to form a seat support portion 25, and extends the rear end edge portion of the seat support portion 25 further rearward. Then, a rear side step portion 26 is formed, and rear wheel fender portions 27, 27 are integrally formed on the left and right sides of the rear side step portion 26 in a protruding manner.

In FIG. 1, reference numeral 28 denotes a spare seedling support frame formed by standing up from the left and right front portions of the body frame 10, and a plurality of spare seedlings 29 are vertically mounted on the spare seedling support frame 28. It can be placed at intervals in the direction.

The planting section 2 has a planting transmission case 31 connected to a rear portion of the planting transmission case 30 in an interlocking manner, and a left and right side of the planting transmission case 31 is pivotally connected to the planting transmission case 30 respectively. The planting transmission cases 31, 31 interlockingly connected via the cases 32, 32 are arranged, and the seedling mounting table 37 is mounted on these planting transmission cases 31 in a slanted shape with a front height and a low height. A planting claw 33 is interlockingly connected to the rear end of each planting transmission case 31 at a position immediately behind the lower edge of the mounting table 37, and a center float 34 is provided below each planting transmission case 31. A pair of left and right inner side floats 35, 35 and a pair of left and right outer side floats 36, 36
Are arranged so that eight seedlings can be planted.

The elevating mechanism 3 includes a top link 40 extending in the front-rear direction, a pair of left and right lower links 41, 41, and an elevating cylinder (not shown). I have.

In the above configuration, the fertilizer rice transplanter A
Is provided with front fertilizer tanks 45,45 and rear fertilizer tanks 46,46 at the front left and right sides and the rear left and right sides of the traveling unit 1, respectively. While the pumps P1 and P2 are communicatively connected, a fertilizer ejection nozzle 47 for the shallow position and a fertilizer ejection nozzle 48 for the deep position are provided in the planting section 2, and the fertilizer ejection nozzles 47 and 48 and the fertilization pump P1 are provided. , P2 are communicatively connected through switching valves 49, 50.

That is, a pair of left and right front fertilizer tanks 45, 4
As shown in FIGS. 1 to 4, 5 is mounted on tank stays 51, 51 projecting outwardly from the left and right spare seedling support frames 28, 28, respectively.

The fertilizer tanks 45, 45 are connected to each other via a front communication hose 52 extending in the left-right direction at the front central portion of the bottom of the two fertilizer tanks 45, 45. A drain hose 53 is communicatively connected to the left side of the. 54 is a cap.

Here, a pair of left and right front fertilizer tanks 45, 45
Is a prime mover unit 11 arranged at the front center of the fuselage frame 10.
With a good balance around the left and right sides,
The left and right balance of the aircraft is well ensured, and both fertilizer tanks 45, 45 are connected with the front communication hose 52 as described above.
Through the fertilizer tanks 45, 45 so that the remaining amount (decrease) of the paste or liquid fertilizer stored in the fertilizer tanks 45, 45 can be kept uniform. The balance is well maintained.

The fertilizer in the two fertilizer tanks 45, 45 is supplied with a drain hose 53 connected to the left side of the front communication hose 52.
Can be discharged easily and reliably.

On the left side of the front communication hose 52,
The front end of the fertilizer suction hose 55 is connected and connected, and the rear end of the fertilizer suction hose 55 is sucked by the fertilizer application pump P1 disposed on the body frame 10 located between the left front and rear wheels 15, 17. The fertilizer application pump P1 is connected to the front end of eight fertilizer pumping hoses 58 and the rear end of each fertilizer pumping hose 58 for a shallow position described later. The fertilizer ejection nozzles 47 are connected to each other.

A unit-type switching valve 49 is provided in the middle of the eight fertilizer pumping hoses 58. The switching valve 49 is disposed at the center of the rear step section 26, The operation of supplying and stopping the fertilizer to each fertilizer ejection nozzle 47 can be performed. 49a is a supply / stop operation lever.

As shown in FIG. 1, FIG. 2, FIG. 5, and FIG.
The tank support frame 60 is erected between the left and right middle portions of the tank support frame 60, and the middle portion of the tank support frame 60 is arranged along the rear end edge of the rear side step portion 26, and the left and right sides of the tank support frame 60 are It is mounted on tank stays 61 attached to the side.

A rear communication hose 62 is provided at the front center of the bottom of both fertilizer tanks 46, 46 to connect and connect the two fertilizer tanks 46, 46 to each other. A drain hose 63 is connected to the right side. 64 is a cap.

Here, a pair of left and right rear fertilizer tanks 46, 46
Is arranged in a well-balanced manner on the left and right sides around the seat 23 arranged in the rear central portion of the body frame 10 to ensure a good left-right balance of the body, and as described above. The two fertilizer tanks 46, 46 are connected to each other via the rear connecting hose 62, and the remaining amount (decrease) of the paste or liquid fertilizer stored in the two fertilizer tanks 46, 46 is uniformly maintained. As a result, the left-right balance of the fuselage is also ensured in this respect. C is a virtual left-right center line extending in the front-rear direction of the traveling section 1.

The rear communication hose 62 has a pair of left and right lower extension portions 62a, 62a extending downward from the bottoms of the fertilizer tanks 46, 46 to the vicinity of the rear wheel fender portions 27, 27.
And a step portion on the rear side from the lower end of each of the downward extension portions 62a, 62a.
A pair of left and right rear extension portions 62b, 62b extending rearward to the rear position of 26, and a left and right extension portion 62c extending in the left and right direction to connect the rear ends of both rear extension portions 62b, 62b. The left and right extending portions 62c are arranged along the rear edge of the rear step portion 26 at a position behind the switching valves 49 and 50, which will be described later, and at a position above the elevating mechanism 3. I have.

Moreover, the right-hand end 62e to which the drain hose 63 is communicatively connected has a left-right extension 62c as viewed from the rear.
The fertilizer in the two fertilizer tanks 46, 46 is easily arranged through the drain hose 63 that is connected to the right end 62e so that the fertilizer is disposed at an inclination from left to right so that it is lower than the left end 62d. And ensure that they can be discharged. H is a fixed difference.

On the right side of the rear communication hose 62,
The upper end of the fertilizer suction hose 65 is connected and connected, and the lower end of the fertilizer suction hose 65 is connected and connected to the suction port 66 of the fertilizing pump P2 disposed below the right rear fertilizer tank 46. The front ends of four fertilizer pumping hoses 68 are connected to the discharge port 67 of the fertilizer application pump P2, and the fertilizer ejection nozzles 48 for deep position described later are connected to the rear ends of the fertilizer pumping hoses 68. are doing.

A unit-type switching valve 50 is provided in the middle of the four fertilizer pressure-feeding hoses 68, and the switching valve 50 is provided on the rear step section 26.
The fertilizer is supplied and stopped to each fertilizer ejection nozzle 48 so as to be able to perform the operation. 50a is a supply / stop operation lever.

As shown in FIGS. 1 and 2, the fertilizer ejection nozzle 47 for the shallow position has an opening 47a at the tip end of the planting claw 33 so that the fertilizer can be ejected near the seedling planting position. Opened to the lowest position.

The fertilizer ejection nozzle 48 for the deep position is
As shown in FIGS. 1 and 2, the floats 34, 35, and 36 are disposed immediately below the center of each float 34, and the tip opening 48 a is located below the tip opening 47 a of the fertilizer ejection nozzle 47 for shallow position ( (A deep position in the field G).

In this way, the fertilizer in the pair of left and right front fertilizer tanks 45, 45 is fed into the front communication hose 52, the fertilizer suction hose 55, the fertilizer application pump P1, the fertilizer pumping hose 58, and the fertilizer ejection nozzle for the shallow position. It can be spouted from 47.

At this time, the supply / stop operation of the fertilizer to each fertilizer ejection nozzle 47 is performed by operating each supply / stop operation lever 49a of the switching valve 49.

A pair of left and right rear fertilizer tanks 46, 46
The fertilizer inside is the rear communication hose 62 → fertilizer suction hose 65 →
The fertilizer application pump P2 → the fertilizer pumping hose 68 → the fertilizer jet nozzle 48 for the deep position can be ejected.

At this time, the supply / stop operation of the fertilizer to each fertilizer ejection nozzle 48 is performed by operating each supply / stop operation lever 50a of the switching valve 50.

Next, the drive mechanism of the fertilizer application pumps P1 and P2 will be described with reference to FIGS.

That is, the fertilizer application pump P 1 is protruded rearward from the transmission section 12 to drive the planting section 2.
The shaft 70 is linked to the shaft 70 via a first transmission mechanism 71.

The first transmission mechanism 71 has a PTO shaft 70
And the input shaft 73 protruded from the gear case 72, the first transmission chain 74 is wound around the sprockets 75 and 76,
A second transmission chain 80 is wound via sprockets 81 and 82 between an output shaft 77 protruding from the gear case 72 and an input shaft 79 protruding from a transmission 78 for adjusting the supply amount of fertilizer. The third transmission chain 86 is wound via sprockets 87 and 88 between the output shaft 83 protruding from the transmission 78 and the input shaft 85 protruding from the chain case 84. A universal joint 93, a drive shaft 94, a universal joint 95, a first bevel gear support shaft 96, first and second bevel gears 97, 98, between the output shaft 89 protruded and the input shaft 90 of the fertilizer pump P1. Second bevel gear support shaft 99, sprocket 100, fourth transmission chain 101,
And, a sprocket 102 is interposed. 103 is a chain and 104 and 105 are sprockets.

The fertilizer application pump P2 is provided with the PTO shaft 70
Are connected to each other via a second transmission mechanism 110.

Then, the second transmission mechanism 110 is a PTO shaft 70
And the first transmission chain between the first bevel gear support shaft 111 and
The second bevel gear 116 is meshed with a first bevel gear 115 mounted on the first bevel gear support shaft 111 via a second bevel gear support shaft 117, thereby winding the second bevel gear support shaft 117. And the third bevel gear support shaft 118 are connected to each other via a universal joint 119, a drive shaft 120, and a universal joint 121, and a fourth bevel gear 123 is connected to a third bevel gear 122 attached to the third bevel gear support shaft 118. The fourth bevel gear shaft 124 is interlocked with a transmission 125 for adjusting the supply amount of fertilizer, and the output shaft 126 of the transmission 125 and the fertilizer application pump P2 are connected to each other. Insert the second transmission chain 128 between the input shaft 127 and the sprocket
It winds through 129,130.

In this way, the fertilizer application pumps P1 and P2 can be driven by the PTO shaft 70 via the first and second transmission mechanisms 71 and 110.

[0058]

According to the present invention, the following effects can be obtained.

According to the first aspect of the present invention, the fertilizer tanks are respectively disposed on both left and right sides of the seat provided on the traveling unit, and the two fertilizer tanks are connected and connected via the communication hose. Since it is connected to the fertilizer application pump, the left-right balance of the airframe can be maintained well, and the safety and steering operability of the airframe can be well ensured.

Since the fertilizer tanks on the left and right sides are connected to each other through the communication hose, the remaining amount of fertilizer in both fertilizer tanks can be kept uniform, and from this point, the balance between the right and left sides of the machine can be improved. Can be kept good.

Further, since the communication hose is connected to the single fertilizer application pump, the structure can be simplified.

Further, since the fertilizer tanks on the left and right sides are disposed on both the left and right sides of the seat, the two fertilizer tanks also function as protection members for the operator sitting on the seat, thereby ensuring the safety of the operator. be able to.

According to the second aspect of the present invention, since the rear step portion is formed at the position immediately behind the seat in the traveling portion, and the communication hose is disposed behind the rear step portion, There is no problem that the operator performing the seeding work on the planting part at the side step portion stomps the communication hose, and the operator can easily perform the seeding work without worrying about the step.

Further, there is no possibility that the operator gets a foot on the communication hose, and safety can be ensured.

According to the third aspect of the present invention, a switching valve interposed between the fertilizer application pump and the fertilizer ejection nozzle is provided with:
The communication hose is disposed on the rear step portion, and the communication hose is disposed at a position rearward of the rear step portion and above the elevating mechanism. In addition, even when the planting section is moved up and down, there is no problem such as the communication hose being inserted into the elevating mechanism.

In the present invention, a drain hose is connected to one of the left and right sides of the communication hose, and the communication hose is connected to one side to which the drain hose is connected.
Since it is located at a lower position than the other side, the fertilizer in the fertilizer tanks on the left and right sides can be discharged from one drain hose, and the fertilizer discharge work can be simplified,
The structure can be simplified, and the manufacturing cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a side view of a fertilizer rice transplanter according to the present invention.

FIG. 2 is an explanatory plan view of the fertilizer rice transplanter.

FIG. 3 is a side view of a front fertilizer tank.

FIG. 4 is a front view of the front fertilizer tank.

FIG. 5 is a side view of a rear fertilizer tank.

FIG. 6 is a rear view of the rear fertilizer tank.

FIG. 7 is a side view of the fertilizer application pump.

FIG. 8 is a schematic diagram of a transmission mechanism.

[Explanation of symbols]

 A Fertilizer planting machine 1 Running part 2 Planting part 3 Elevating mechanism 10 Airframe 11 Motor unit 12 Mission unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B052 BC05 BC07 BC09 BC16 EA03 EA08 EB03 EC03 EC10 EC18 2B060 AA01 AC03 AE10 BA04 BA07 BA09 BB07 BB09

Claims (4)

[Claims] 1. A fertilizer tank having a paste or liquid fertilizer stored therein and a fertilizer application pump connected to the fertilizer tank, the planting part being connected to the rear of the traveling part via an elevating mechanism. On the other hand, a fertilizer ejection nozzle is provided in the planting section, and in the fertilizer paddy plant which is connected to the fertilizer ejection nozzle and the fertilization pump, a fertilizer tank is provided on each of the left and right sides of the seat provided in the traveling section. A fertilizing rice transplanter characterized in that the fertilizer tanks are connected to each other via a communication hose, and the communication hose is connected to a fertilization pump. 2. The fertilizer planter according to claim 1, wherein a rear step portion is formed at a position immediately behind the seat in the traveling portion, and a communication hose is arranged behind the rear step portion. . 3. A switching valve interposed between the fertilizer application pump and the fertilizer ejection nozzle is disposed on the rear step portion, at a position rearward of the rear step portion, and above the lifting mechanism. The fertilizer application planter according to claim 2, wherein the communication hose is arranged at a position. 4. A drain hose is connected to one of the left and right sides of the communication hose, and the communication hose is arranged such that one side to which the drain hose is connected is positioned lower than the other side. The fertilizer rice transplanter according to claim 1.