JP2723879B2 - Riding rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter,
More specifically, the present invention relates to an improvement in a structure including a fertilizer application device and a chemical spray device with respect to a seedling planting device.

[0002]

2. Description of the Related Art Conventionally, there is a riding type rice transplanter having a fertilizer application device in a seedling planting device and a riding type rice planting device having a chemical spraying device in a seedling planting device. It was also conceived that the seedling plant of the machine was equipped with a fertilizer and a chemical sprayer.

[0003]

Considering that the seedling planting apparatus is provided with a fertilizer application device and a chemical spraying device as described above, the chemical spraying device is applied to a field scene having a full width of the seedling planting width. Since it is necessary to spray the medicine, it is desirable to be arranged at a position behind the fertilizer application device. Further, the fertilizer applicator is provided with a hopper for storing fertilizer in the upper part, and the medicine spraying apparatus is provided with a hopper for storing the medicine in the upper part, and it is necessary to supply the fertilizer and the medicine to each hopper during work. However, this replenishment work is performed in such a manner that the worker is located behind the seedling planting equipment and replenishes the fertilizer from the fertilizer bag to the hopper, or replenishes the chemical from the chemical bag to the hopper. Easy replenishment is possible for the hopper on the side (rear end of the fuselage), but on the front side (the forward side of the fuselage from the equipment at the rear end)
When replenishing the hopper, there is room for improvement because of the work form obstructed by the device on the near side.

[0004] Further, assuming that the fertilizer is disposed on the front side of the seedling planting apparatus and the chemical spraying apparatus is disposed on the rear side as described above, the fertilizer is required to adjust the feed amount of fertilizer. Alternatively, it is necessary to perform an operation such as inspection of the feeding mechanism for each section. However, in a case where the medicine spraying device is disposed on the rear side, this operation may be difficult to perform, and there is room for improvement.

SUMMARY OF THE INVENTION It is an object of the present invention to easily supply a hopper arranged on the front side of a seedling planting apparatus, and to provide a feeding mechanism of a fertilizer apparatus arranged on the front side of the seedling planting apparatus. The point is that a riding type rice transplanter that can easily perform operations is rationally configured.

[0006]

A first feature of the present invention (claim 1) comprises an upper fertilizer hopper for storing fertilizer and a lower feeding mechanism for feeding fertilizer from the fertilizer hopper. A fertilizer, a drug hopper on the upper side for storing the drug, a feeding mechanism for feeding the drug from the drug hopper, a rotating body for scattering the fed drug by rotation, and a rotating body for scattering the fed drug. And a guide member on the lower side for diffusing the dropped medicine and guiding the fall to the field scene to constitute a medicine spraying device, and the fertilizer application device is provided on the rear side of the seedling planting device at the rear of the body, The medicine spraying device is provided on the rear side of the device, and the guide member is located below the fertilizer hopper, and the size of the medicine hopper in the lateral direction is the size of the fertilizer hopper in the width direction. Set smaller and before There the dimension in the width direction of the guide member to a point that is set on the dimension corresponding to the seedling planting width of the seedling planting apparatus, the functions and effects are as follows.

A second feature of the present invention (claim 2) is that, in claim 1, an adjusting portion in a feeding mechanism is formed with respect to a rear surface position of the fertilizer, and the guide member is provided below the adjusting portion. The effect is that
The effects are as follows.

[0008]

According to the first feature, since the width of the medicine hopper at the rear position is smaller than the width of the fertilizer hopper at the front position,
Even when the fertilizer is supplied to the fertilizer hopper at the front position, the medicine hopper does not interfere much. Also, despite the narrow width of the medicine hopper, the medicine is diffused by the rotating body and released to the field scene through a guide member having a width corresponding to the planting width of the seedling planting apparatus. It is hard to cause a shortage in the amount of the medicine to be sprayed even at the outer end portion of the medicine.

According to the second feature, since the guide member of the medicine spraying device is arranged below the adjusting portion of the feeding mechanism of the fertilizer application device, the guide of the drug spraying device can be adjusted even when adjusting the feeding mechanism of the fertilizer application device. Work can be performed without being hindered by members.

[0010]

Accordingly, a riding type rice transplanter capable of easily supplying a fertilizer to a hopper of a fertilizer applicator arranged in front of a seedling transplanter is rationally constituted (claim 1).
A riding type rice transplanter capable of easily performing a work on a feed-out mechanism of a fertilizer applicator disposed on a front side of a seedling planting apparatus is rationally configured (claim 2).

[0011]

1 shows a seedling planting apparatus 1 for a rice transplanter according to the present invention. The apparatus 1 is connected to a rear part of a traveling body (not shown) via a link mechanism so as to be able to move up and down, and is provided with a fertilizer apparatus 2 for performing fertilization in conjunction with a planting operation at a rear part thereof, and further behind the fertilizer apparatus. And a medicine spraying device 3 attached thereto.

The seedling planting apparatus 1 is configured in a six-row planting type. The seedling stage 4 is a downward-sloping posture for placing seedlings for planting. Six planting mechanisms 5 and the like for cutting and planting seedlings one by one are mounted on a planting transmission case 6 which also serves as a frame.

Each of the planting mechanisms 5 has a planting rotary case 7 that is driven and rotated around a central horizontal axis X1 at both rear sides of the planting transmission case 6, and the planting rotating case 6 is provided. The planting claw 8 is attached to each end of the rotating case 7, and the planting claw 8 is configured to cut and plant the seedling while drawing a substantially elliptical locus as the planting rotating case 7 rotates. The planting operation is performed twice by one rotation so that the planting operation can be performed at high speed.

The fertilizer applicators 2 are arranged in parallel in the transverse direction corresponding to the planting strips, and are respectively provided with an upper fertilizer storage hopper 9, a rotary roll type feeding mechanism 10 and a feeding mechanism provided below the hopper 9. The feed mechanism 10 is configured to feed a predetermined amount of fertilizer in conjunction with the rotation of the planting mechanism 5. That is, as shown in FIG. 3, the connecting bracket 12 is connected to the side of the rotating case 7 across both ends thereof.
An intermediate position of the connecting bracket 12, a position deviated by a predetermined amount from the rotation center of the rotating case 7, and a swing of a swing driving swing arm 14 integrally provided with the swing roll 13 in the feeding mechanism 10. The moving end is pivotally connected via a push / pull rod 15. In this way, the swing arm 14, that is, the rotating roll 13 is reciprocated at a constant pitch via the push-pull rod 15 with the rotation of the rotating case 7 so as to feed out a predetermined amount of fertilizer. is there.

As shown in FIG. 2, between the planting mechanisms 5 and the feeding mechanism 10, mud scattered from the planting mechanism 5 is prevented from falling on the feeding mechanism 10, and the feeding mechanism 10 is provided. The cover member 16 for preventing the fertilizer powder from falling from above the planting mechanism 5 from the working posture located above the planting mechanism 5 to the retracted posture moved rearward for maintenance work. , Can be slid and fixed.

More specifically, a mounting stay 38 is bolted to a vertical frame 42 extending from the upper side of the planting transmission case 6 and extending upward, and the mounting stay 38 is supported by the supporting portion 39 of the flow-down guide pipe 11. Is fixedly provided, and the cover member 16 is slidably engaged with the cover supporting rod 40 and fixed thereto. Further, a frame support 41 for supporting the fertilizer application device 2 from the vertical frame 42 is erected and fixed.

The medicine spraying device 3 comprises a hopper 17 for storing the medicine, a feeding mechanism 18 for feeding a predetermined amount of medicine from a lower portion of the hopper 17, and a rotating body for scattering the fed medicine by its rotational force. Drug supply device 2 comprising
0, and a substantially box-shaped guide member 21 which is opened downward so as to diffuse the medicine scattered by the rotating body 19 over substantially the entire planting width and guide the fall to the field scene. 2 is provided at a position lower than the height of the second feeding mechanism 10, and a working space S is formed between the medicine spraying device 3 and the fertilizer application device 2. In other words, by providing the space S, the rear wall 10a of the feeding mechanism 10 of the fertilizer applicator 2 which is swingably opened and closed for performing maintenance work such as a clogging failure of the fertilizer (this portion is an adjustment according to claim 2) Can be opened and closed without hindrance, and maintenance work can be performed. The medicine spraying device 3 is bent into a substantially L-shape so as to allow the cover member 16 to slide back to the rear, and the planting transmission case 6 is fixed via the support frame 22 fixed to the mounting stay 38. It is connected to the support.

More specifically, as shown in FIGS. 5 to 7, the drug supply device 20 has a large number of drug passage holes 24 formed along the circumferential direction below the supply port 23 of the hopper 17. A disc-shaped feeding member 25 is rotatably provided around the longitudinal axis Y, and a drop guide port 26 is provided below the feeding member 25 at a position corresponding to a through-hole passage locus different from the supply port 23.
, And further below the rotator 19, which is driven to rotate at a high speed by the electric motor 27. This rotating body 19
Has a diffusion blade 19a for diffusing the medicine. A one-way clutch 29 is attached to the drive shaft 28 of the feeding member 25, and the swing end of a swing drive arm 30 connected to the one-way clutch 29, the planting rotary case 7, and the push-pull An interlocking connection between the connecting portion 31 and the rod 15 is provided. That is, one end of the balance arm 33 pivotally supported on the bracket 32 attached to the front wall of the guide member 21 so as to be swingable about the horizontal axis X2 and the connecting portion 31 via the push-pull rod 34. At the same time, the lower part of the swing arm 35 pivotally supported by the bracket 32 so as to be swingable about the horizontal axis X3 below the bracket 32 and the other end of the balance arm 33 are pivotally connected by a link 36, The swing end of the swing arm 35 and the drive arm 30 of the one-way clutch 29 are interlocked and connected via a wire 37. With such a configuration, the delivery member 25 is intermittently rotated at a predetermined pitch and can deliver a predetermined amount of medicine with the rotation driving of the implantation mechanism 5.

As shown in FIG. 4, the guide member 21 is provided in an elongated shape over substantially the entire planting width, has a substantially box shape with the lower side opened, and has a lower opening slightly inclined rearward. It is provided. The medicine scattered by the rotator 19 is scattered while being reflected by the front wall 21a, and is diffused over substantially the entire width so that the medicine is efficiently sprayed from above the planting strip.

As described above, the upper surface 21b of the guide member 21 is provided at a position lower than the hopper 9 of the fertilizer applicator 2. For example, the fertilizer bag Q is placed on the upper surface 21b of the guide member 21 when fertilizer is supplied. The fertilizer can be replenished to the hopper 9 while being placed and supporting the weight, so that the work can be performed easily. In addition, the lower edge of the guide member 21 is bent and formed so as to expand over the entire area, thereby suppressing rainwater or the like from entering the inner wall of the guide member 21 from an underline and reducing the function of diffusing the medicine. Is prevented.

The lower end of the front wall 21a of the guide member 21 is connected to the lower end of the rear wall 21c and the planting claw 8 of the planting mechanism 5.
Is located below a line connecting the planting action position of the first and second plants. Therefore, even if the mud is bounced off by the high-speed rush from the planting action position by the planting claw 8, that is, the mud surface rush position, there is no possibility that the scattered mud will adhere to the inner wall of the guide member 21, and It is possible to prevent the diffusion function from being lowered.

Incidentally, reference numerals are written in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the attached drawings by the entry.

[Brief description of the drawings]

FIG. 1 is a side view of a rear part of a rice transplanter.

FIG. 2 is a cutaway side view of a cover member disposition portion.

FIG. 3 is a rear view

FIG. 4 is a plan view of the rear part of the rice transplanter.

FIG. 5 is a longitudinal side view of the medicine spraying device.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 5;

FIG. 7 is a sectional view taken along line VII-VII in FIG. 5;

[Description of Signs] 1 Seedling planting device 2 Fertilizer application device 3 Chemical spraying device 9 Fertilizer hopper 10 Feeding mechanism 17 Drug hopper 18 Feeding mechanism 19 Rotating body 21 Guide member

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kozo Tomita 739, Yamate, Oda, Yoshida-cho, Takada-gun, Hiroshima 6 Inside Keibunsha Works (72) Inventor Kazuyuki Hayase, 739, Yamate, Yoshida-cho, Takada-gun, Hiroshima 6 Inside Keibunsha Manufacturing Co., Ltd. (72) Inventor Tsuyoshi Kadode 739, Yamate, Oda, Yoshida-cho, Takada-gun, Hiroshima Prefecture 6 Inside Keibunsha Manufacturing Co., Ltd. (56) References Real Open 63-191112 (JP, U) Real Open Showa 63-61219 (JP, U) Actually open Showa 63-63330 (JP, U) Showa 57-56656 (JP, Y2)

Claims (2)

(57) [Claims] 1. A fertilizer application device (2) comprising: an upper fertilizer hopper (9) for storing fertilizer; and a lower feeding mechanism (10) for feeding fertilizer from the fertilizer hopper (9). An upper drug hopper (17) for storing a drug; and a feeding mechanism (18) for feeding the drug from the drug hopper (17).
A rotating body (19) for scattering the fed medicine by rotation, and a lower guide member (21) for diffusing the medicine scattered by the rotating body (19) and guiding the medicine to a field scene. Te, together constitute chemical spraying device (3), Bei example the fertilizing device on the side (2) after the rear of the seedling planting apparatus body (1), wherein the agent to the rear side of the fertilizing device (2) A spraying device (3), and the guide member (21) is positioned below the fertilizer hopper (9);
The size of the fertilizer hopper (17) in the lateral direction is
(9) It is set smaller than the dimension in the width direction,
The size in the lateral width direction of the seed member (21)
A riding type rice transplanter set to a size corresponding to the seedling planting width of (1) . 2. With respect to the rear surface position of the fertilizer application device (2).
While forming the adjusting part in the feeding mechanism (10),
The guide member (21) is disposed below the adjusting portion.
The riding rice transplanter according to claim 1 .