JP2003102219A - Transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transplanter coupling a planting implement behind a traveling machine, capable of leveling the surface of a farm with the operator riding on in planting work at a headland so as to make planting work efficient even if the surface of the farm is damaged by wheels when the transplanter turns at a headland. SOLUTION: This transplanter has a headland leveling device 38 liftablly set a rotor 16 being driven and rotated, between a running machine 1 and a planting device 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transplanter in which a planting portion is connected to a rear portion of a traveling machine body, and particularly, when turning the machine body on a headland, even if a field scene is roughed by wheels, a pillow is used. The present invention relates to a transplanting machine that enables an operator to perform a leveling operation in a roughed field scene while being on the machine during a planting operation on the ground.

[0002]

2. Description of the Related Art In this type of transplanting machine, when the machine is moved to perform transplanting work, the machine is placed in a non-planting posture in which a planting section is raised every time the vehicle comes to a headland on both ends of a field. The planting work is repeated by reciprocating the plant. Then, when the machine body turns in the headland, the headland is planted in the final step of the planting work by leaving a width enough for one reciprocal planting of the seedling with the ridge.

However, since the ground surface of the headland is roughened by the wheels when the body turns, conventionally, before the headland is planted, a so-called dragonfly or the like is used to manually level the ground surface. I was going. For this reason, there is a risk that the leveling work on the headland will take time and the work efficiency will decrease, and if the field scene is rough, it will also adversely affect the hydraulic pressure sensing of the control mechanism that automatically controls the body posture, Furthermore, there is a problem that weeds and the like are likely to occur.

[0004]

SUMMARY OF THE INVENTION The present invention was created in order to solve the above problems, and is a transplanter in which a planting portion is connected to a rear portion of a traveling machine body, the machine body is headed by a headland. When the wheels make the field rough,
When planting work on a headland, the operator can perform leveling work in a rough field with the operator onboard without having to manually perform leveling work using a dragonfly etc., improving work efficiency. In addition, an attempt is made to provide a transplanter capable of eliminating the disadvantage that a rough field scene adversely affects the hydraulic pressure sensing of the automatic control mechanism, or weeds are easily generated. It is a thing.

[0005]

Means for Solving the Problems In order to solve the above-mentioned problems, the technical means taken by the present invention is, in a transplanter in which a planting part is connected to a rear portion of a traveling machine body, the traveling machine body and the planting part are connected to each other. Between them, a rotor that is driven to rotate is provided so as to be able to move up and down with respect to the planting section to form a headland leveling device.In addition, a plant with a float at the bottom is provided at the rear of the traveling machine body. In the transplanter with the attachment part connected, between the traveling machine body and the planting part, a rotor that is rotationally driven is provided so as to be capable of moving up and down with respect to the planting part, and a headland leveling device is configured. It is characterized in that a plate-shaped leveling body capable of moving up and down together with the leveling device is provided on a side portion of the float.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail with reference to the accompanying drawings of one embodiment. Figure 1
In the figure, 1 is a traveling machine body of a riding rice transplanter exemplified as a transplanter, and a planting section 5 is lifted up and down at a rear portion of the traveling machine body 1 via a link mechanism 4 including an upper link 2 and a lower link 3. It is installed freely. 6 is a traveling body 1
The rear wheel, 7 is a driver's seat.

In the planting section 5, a reciprocating laterally fed seedling mounting table 8 is erected in a front high and low manner, and a horizontal planting frame 9 is disposed below the seedling mounting table 8. The planter cases 10 in the front-rear direction are fixed in parallel with each other, and a planter 11 for planting operation is attached to the rear end portion of the planter case 10 to form a transplanting device 12 for multi-row planting.

A plurality of rows of floats 13 are vertically movably mounted below the planter case 10, and the floats 13 slide on the paddy field as the machine runs, and the floats 13 flatten the farm field. A planter 11 that is planted on the surface scrapes off the seedlings sent from the seedling mounting table 8 and plants them. Reference numeral 14 is a seedling retainer provided on the upper surface of the seedling placing table 8, and 15 is a seedling vertical feeding device provided on the back side of the seedling placing table 8.

A rotor 16 which is driven to rotate is provided between the traveling machine body 1 and the planting section 5 so as to be capable of moving up and down with respect to the planting section 5, so that when the machine turns, the wheels are roughened in the field. A headland leveling device for leveling the surfaces is constructed.

That is, as shown in FIG. 2, the rotor 16 includes a rotor portion 18 which is rotationally driven by a rotor shaft 17.
It is composed of a rotor cover 19 for covering the same. The rotor portion 18 is formed by radially arranging a leveling plate having a corrugated mud scraping edge portion on the outer periphery thereof around the rotor shaft 17. The rotor portion 18 includes a center side rotor portion 20 and left and right end side rotor portions 21.
It is divided into two parts.

Reference numerals 22 and 22 denote support shafts for the rotor 16, which support shafts 22 and 22 are used for the planting frame 9.
24 which is fixed to the front of the vehicle via a bracket 23
Is vertically slidably inserted. And support shaft 2
The rotor shaft 17 is rotatably supported by a metal portion 25 provided at the lower ends of the rotors 2 and 22, and the rotor cover 19 is fixed to the support shaft 22.

Reference numerals 26 and 26 denote support frames provided upright on the planting frame 9. A horizontal shaft 27 is rotatably mounted on the upper side of the support frames 26 and 26, and both ends of the horizontal shaft 27 are supported. The upper ends of the support shafts 22, 22 are the link arms 2.
They are connected via 8, 28. Then, the rotating horizontal shaft 27 moves the support shafts 22, 22 up and down by the rotating operation of the operation lever 29 provided at a proper position of the horizontal shaft 27, so that the rotor 16 can move up and down with respect to the planting part 5. It is Reference numeral 30 is a lever guide that guides the operation lever 29 and locks it at an appropriate position.

As shown in FIG. 1, the supporting portion 24 is arranged in a rearwardly inclined shape, and when the rotor 16 is lowered, the rotor 16 is brought as close as possible to the rear wheel 6 side. ,
Further, in the non-acting position where the rotor 16 is raised, the rotor 1
The rear wheel 6 is placed in a retracted position away from the rear wheel 6.

Reference numeral 31 denotes a conductive case provided substantially in the center of the rotor shaft 17, to which power is transmitted from the drive case 32 on the side of the traveling machine body 1 to rotate the rotor shaft 17. The drive case 32 is formed integrally with the axle drive case 33 of the rear wheel 6, and the take-out case 35 provided at the lower portion of the drive case 32 is connected to the rotor transmission shaft 36, the universal joint 37 and the like. Power is transmitted to the transmission case 31 through the above. The rotor 16 which is rotationally driven constitutes a leveling device 38 for leveling the ground surface of the headland.

Further, a plate-shaped level body capable of moving up and down together with the leveling device 38 is provided on the side portion of the floats 13 provided in a plurality of rows. The transplanter according to the present embodiment has a center float 13a and left and right side floats 1 as a float.
3b and 13b are arranged in three rows, but the flat body 3 is provided between both sides of the center float 13a, that is, between the center float 13a and the left and right side floats 13b and 13b.
9, 39 are arranged, and the left and right side floats 13
Levelers 40, 40 are disposed on the outer side of b, 13b.

As shown in FIG. 1, the levelers 39, 40 are formed by bending a plate body into curved surfaces to form leveling surfaces 39a, 40a. By fixing to the rear surface of the cover 19, it is possible to move up and down with respect to the planting section 5 together with the leveling device 38.

Reference numerals 42 and 42 denote coil springs stretched between the rotor cover 19 and the horizontal shaft 27, and the rotor 1 is biased by the coil springs 42.
6 can be easily moved up and down.

With the above-described structure, if the rotor 16 is raised in the retracted posture when the aircraft is moved to carry out the transplanting work, the aircraft is swung every time it comes to the headland, which is the same as the conventional one. The transplant work can be performed smoothly.

When planting the headland, which is the final step,
If the rotor 16 is lowered to the operating position where the rotor portion 18 comes into contact with the farm scene, the farm scene of the headland can be leveled by the rotor portion 18 that is rotationally driven as the machine body advances. Therefore, even if the field scene is roughed by the turning wheels of the machine, the operator can carry out the planting work smoothly while carrying out the leveling work on the headland while on board the machine, thus improving the work efficiency. Can be achieved.

A leveling device 38 is provided on the side of the float 13.
With the equalizers 39 and 40 that move up and down together,
Since the plate-shaped leveling bodies 39 and 40 level the side portions of the float 13, the leveling device 38 that is rotationally driven can cooperate with each other to perform leveling work over the entire width of the machine body.

When the levelers 39, 40 are raised together with the rotor 16 of the leveling device 38 to the non-operating position, the levelers 39, 40 are separated from the side portions of the float 13,
The muddy water flowing between the opposing floats 13 during the transplanting work is not obstructed by the levelers 39, 40, and the transplanting work can be carried out orderly as usual.

[0022]

In summary, according to the present invention, in the transplanter in which the planting portion is connected to the rear portion of the traveling machine body, the rotor which is rotationally driven is provided between the traveling machine body and the planting portion with respect to the planting portion. In a transplanter in which a headland leveling device is configured to be movable up and down, and a rear part of the traveling machine body is connected to a planting section having a float at the bottom, the traveling machine body and the planting section are connected to each other. To
A rotor that is driven to rotate is provided so as to be able to move up and down with respect to the planting section to form a headland leveling device, and a plate-shaped leveling body that can be moved up and down together with the leveling device is provided on the side of the float. Even if the field scene is roughened by the wheels when turning the aircraft in the headland, the rotor provided between the traveling aircraft and the planting section can be rotationally driven so that the operator can keep the pillow on the aircraft while riding. The ground can be leveled and work efficiency can be improved.

The flat body provided on the side of the float is
The leveling work can be performed over the entire width of the machine in cooperation with the leveling device that is driven to rotate, and if the leveling device is raised together with the leveling device to a non-operating state, the leveling device floats. There is no obstruction to the mud flow that flows between them, and transplant work can be performed smoothly.

[Brief description of drawings]

FIG. 1 is a side view of a transplanter.

FIG. 2 is a rear view of the rotor.

[Explanation of symbols]

1 traveling aircraft 5 planting department 16 rotor 38 Leveling device 40 flat body

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yozo Miyata             Shimane Prefecture Yatsuka-gun Higashi Izumo-cho Ojiyacho 667             1 Within Mitsubishi Agricultural Machinery Co., Ltd. F term (reference) 2B063 AA01 AB01 AB08 BB01 BB50                       CA04 CA12

Claims (2)

[Claims] 1. A transplanter in which a planting portion is connected to a rear portion of a traveling machine body, and a rotor which is rotationally driven is provided between the traveling machine body and the planting portion so as to be capable of moving up and down with respect to the planting portion. A transplanter characterized by constituting a ground leveling device. 2. A transplanter in which a rear part of a traveling machine body is connected to a planting section having a float at the bottom thereof, and a rotor which is rotationally driven is provided between the traveling machine body and the planting section with respect to the planting section. The transplanter is characterized in that it is provided so that it can be raised and lowered to form a headland leveling device, and a plate-shaped leveling body that can be moved up and down together with the leveling device is provided on a side portion of the float.