JP2004201502A - Sulky rice transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily carry out loading operation of a machine body onto a truck, etc. <P>SOLUTION: A sulky transplanter is equipped with a main step body provided with an operation step part stretched between a steering wheel column and a driver's seat, a rear step part stretched on the left and right lateral sides and rear of the driver's seat and a rising part for connecting the rear step part to the operation step part. In the sulky rice transplanter, the left and right lateral auxiliary step bodies are protrusively installed in an overhang state from the left and right lateral ends of the rear step part, respectively. Thereby, the left and right lateral sides of the operation step part and the rising part are kept in an opened state when viewed from the plane. When the machine is loaded onto the truck, no trouble such as collision of the front end of the auxiliary step bodies with a push-up door of the truck is caused and complicatedness or difficulties so as to perform loading operation by paying attention not to make the auxiliary step bodies collide with the push-up door, etc., are eliminated. As a result, the loading operation can mentally and physically easily be performed. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a riding rice transplanter.
[0002]
[Prior art]
Conventionally, as one form of a riding rice transplanter, an operation step portion stretched between a handle column and a driver's seat, a rear step portion stretched to the left, right, left and right sides of the driver's seat, the same rear step portion, There is one in which a main step body having a rising portion connecting to an operation step portion is arranged, and auxiliary step bodies for seedling replenishment are arranged at left and right lateral positions of the main step body (for example, Patent Document 1, 2).
[0003]
[Patent Document 1]
JP-A-8-308330
[Patent Document 2]
Japanese Patent No. 2508841 [0005]
[Problems to be solved by the invention]
However, since the auxiliary step body of the above-described riding rice transplanter is formed so as to protrude outward from the side of the operation step section to the side of the rising section and further to the side of the rear step section, When loading on a truck, there is a problem that the front end of the auxiliary step body collides with the swing door of the truck.Also, be careful that the auxiliary step body does not collide with the swing door, etc. This may make the loading operation cumbersome or difficult.
[0006]
In addition, the front part of the auxiliary step body may be an obstacle when visually confirming the planting status of the seedlings in the ridges and fields.
[0007]
[Means for Solving the Problems]
Therefore, in the present invention, an operation step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and right sides of the driver's seat, the rear step portion and the operation step portion In the riding rice transplanter in which the main step body having the rising portion for connecting the rear step portion is arranged, the left and right auxiliary step bodies are respectively protruded outwardly from the left and right edge portions of the rear step portion. To provide a riding rice transplanter.
[0008]
In addition, the present invention is also characterized by the following configurations.
[0009]
(1) An operation step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and rear of the driver's seat, and the rear step portion and the operation step portion are connected. In the riding rice transplanter in which the main step body having the rising portion is disposed, the left and right auxiliary step bodies are provided on the main step body, and the front edges of the two auxiliary step bodies are upper end portions of the rising portion in side view. It should be placed in the same position as
[0010]
(2) Openings are formed at the center and rear of the left and right auxiliary step bodies.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described.
[0012]
In other words, the riding rice transplanter according to the present invention includes a driving step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and right sides of the driver's seat, and the rear step portion. A main step body having a rising portion that connects to the operation step portion is arranged, and left and right auxiliary step bodies are respectively protruded outwardly from the left and right edge portions of the rear step portion. I have.
[0013]
The left and right auxiliary step bodies are provided on the main step body, and the front edge portions of both auxiliary step bodies are disposed at substantially the same position as the upper end of the rising portion in a side view.
[0014]
In addition, openings are formed at the center and the rear of the left and right auxiliary step bodies.
[0015]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0016]
A shown in FIG. 1 and FIG. 2 is a riding rice transplanter according to the present invention. The riding rice transplanter A connects a planting section 3 to a rear of a traveling section 1 via a lifting link mechanism 2 so as to be able to move up and down. ing.
[0017]
In this way, in the present embodiment, the planting section 3 can plant eight rows of seedlings in the field.
[0018]
As shown in FIGS. 1 to 3, the traveling unit 1 includes a motor unit 5 including an engine E and the like on a body frame 4 and a driving unit 6 at a position rearward of the motor unit 5. Further, a transmission case 7 is provided in the middle part below the body frame 4, and a pair of left and right front axle cases 8, 8 are interlocked and connected on the left and right sides of the transmission case 7. The lower end of the front wheel 9, 9a is interlocked via front axles 9a, 9a, while the front end of the front-rear extension support case 10 is connected to the rear of the transmission case 7, and the rear end of the front-rear extension support case 10 A rear axle case 12 is interlockingly connected to the end, and rear wheels 13 and 13 are interlockingly connected to lower left and right lower ends of the rear axle case 12 via rear axles 13a and 13a. Reference numeral 30 denotes a center marker, 70 denotes a spare seedling mounting support frame, 71 denotes a spare seedling mounting base, and 72 denotes a front marker provided on the traveling unit 1.
[0019]
As shown in FIG. 3, a transmission case 14 composed of a hydraulic stepless transmission is interlocked and connected to the right front portion of the transmission case 7, and an input shaft 15 projecting forward from the transmission case 14 is connected to the transmission case 14. A transmission mechanism 17 is interposed between the transmission case 17 and the output shaft 16 projecting forward from the engine E, and a transmission shaft (not shown) extending in the front-rear direction is interposed between the transmission case 7 and the rear axle case 12. are doing. 45 is a PTO shaft for transmitting power to the planting section 3, and 46 is a lifting hydraulic cylinder.
[0020]
As shown in FIGS. 3, 10, and 11, the body frame 4 includes a main frame 18 having a rectangular frame shape in plan view, and side frames 19, 19 formed on the left and right sides of the main frame 18, respectively. It is formed from
[0021]
Then, the main frame 18 laterally extends the front frame forming body 21 extending in the left-right direction between the front ends of the pair of left and right front-to-rearward frame forming bodies 20, 20 extending in the front-rear direction. A rear frame forming body 22 formed in a rear view portal type is provided between the rear ends of the bodies 20, 20, and the lower end of the rear frame forming body 22 is fixed to the rear axle case 12.
[0022]
In addition, the front and rear extension frame forming body 20 mainly includes a front frame forming piece 23 that supports the motor unit 5, an intermediate frame forming piece 24 that mainly supports the pair of left and right front axle cases 8, and an operation that will be mainly described later. The rear frame forming piece 25 supporting the seat 61 is detachably connected and formed, and the front frame forming pieces 23, 23 are provided with engine receiving members 26, 26, 27, 27, and the rear frame forming piece is formed. A support frame 28 such as a tank extending in the left-right direction and a support frame 29 such as a driver's seat in a front view are horizontally mounted between the middle portions of the pieces 23.
[0023]
The side frame 19 includes first, second, and third stays 32, 33, and 34 extending outward from the front and rear portions of the front frame forming piece 23 and the front portion of the rear frame forming piece 25, respectively. Are protruded in a cantilevered support state, and first and second support members 35 and 36 extending in the left-right direction are laterally extended between the middle portions of the pair of left and right rear frame forming pieces 25, 25, and the first and second A front side frame forming body 37 extending in the front-rear direction is provided between the middle portions of the third stays 32, 33, and 34, and is disposed between the third stays 34 and the outer ends of the first and second support members 35 and 36. After extending in the direction, a side frame forming body 38 is erected and formed. 40 is a driver's seat support frame, 41 is a step for getting on and off, and 42 is a battery support.
[0024]
As shown in FIGS. 1 to 3, the driving unit 6 has a steering case 57 connected to the front of the transmission case 7 and a steering post 58 standing upward from the steering case 57 at a rear position of the engine E. The handle 60 is attached to the upper end of a handle support shaft 59 disposed in the steering post 58 and a driver seat 61 is attached to the rear position of the handle 60 via the driver support frame 40 described above. I have.
[0025]
The steering post 58 and the handle support shaft 59 are covered with a bonnet 51 covering the prime mover unit 5 and at the left and right sides and rear with a handle column 62. The panel section 63 is stretched.
[0026]
A casing body 47 is stretched just above the body frame 4 formed as described above, and the casing body 47 is, as shown in FIGS. A pair of left and right auxiliary step bodies 49, 49 are detachably attached to the portion via auxiliary step body support frames 50, 50.
[0027]
Then, as shown in FIG. 1, the main step body 48 includes a seedling mat mounting line surface 81, 88 formed on the left and right end portions of the eight-row planting seedling mounting table 80 provided in the planting section 3 from the rear. Except for the necessary minimum left and right widths that can supply (seed the seedlings) the seedling mats (not shown) to the six-row seedling mat mounting streaks 82 to 87 formed in the middle part, respectively. I have.
[0028]
In addition, the auxiliary step bodies 49, 49 are the minimum necessary for replenishing the seedling mats on the seedling mat mounting striations 81, 88 formed on the left and right ends of the eight-row planting seedling mounting table 80, respectively. Left and right width is secured.
[0029]
In this way, when the planting section 3 is a six-row planting, only the main step body 48 is used, and when the planting section 3 is an eight-row planting, the main step body 48 has the left and right auxiliary step bodies 49, By attaching 49, the traveling unit 1 can be used in both cases.
[0030]
The configuration of the main step body 48 and the auxiliary step bodies 49 and 49 will be described more specifically. As shown in FIGS. 4 to 9, the main step body 48 is provided at the lower end of the bonnet 51 covering the motor unit 5. Left and right front step bodies 52, 52 arranged on the left and right sides, an operation step portion 53 stretched between the handle column 62 and the driver's seat 61, and a left and right side and rear of the driver's seat 61 A rear step unit 54 is provided, and a rising unit 55 connecting the rear step unit 54 and the operation step unit 53 is provided. In FIG. 4, reference numeral 64 denotes a guard frame body which is formed by being raised immediately after the rear step 54, and B denotes a battery.
[0031]
As shown in FIGS. 4 to 9, the left and right auxiliary step bodies 49, 49 protrude outwardly from the left and right end edges of the rear step portion 54, respectively. , 49 are disposed at substantially the same position (position substantially flush with the upper end) of the rising portion 55 in a side view.
[0032]
As shown in FIGS. 9 to 11, the auxiliary step body support frame 50 that supports each auxiliary step body 49 is formed in a U-shape in plan view, and the front stay provided on the rear side frame formation body 38. An auxiliary step body 49 is stretched on the auxiliary step body support frame 50 between a second stay 65 and a rear stay 66 provided at an outer end of the second support body 36.
[0033]
In addition, horizontally long openings 67 and 68 extending in the left-right direction are formed at the center and the rear of each auxiliary step body 49, respectively.
[0034]
Further, as shown in FIG. 2, the left and right outer end widths W1 of the left and right auxiliary step bodies 49, 49 are set to the left and right auxiliary steps attached to the left and right front parts of the body frame 4 via the spare seedling mounting support frames 70, 70. The width of the right and left outer ends W2 of the seedling mounting tables 71, 71 is substantially the same or slightly wider, and the width is smaller than the left and right outer ends W3 of the seedling mounting table 80.
[0035]
In this manner, since the left and right auxiliary step bodies 49, 49 for seedling replenishment project outward from only the left and right end edges of the rear step portions 54, 54, they are shown in FIG. As described above, open spaces S, S are formed on the left and right sides of the operation step portion 53 and the rising portion 55 in plan view.
[0036]
As a result, when loading the machine on a truck, there is no problem that the front ends of the left and right auxiliary step bodies 49, 49 collide with the swing door of the truck, and the left and right auxiliary step bodies 49, 49 However, it is possible to reduce the complexity and difficulty of having to carry out the loading operation while taking care not to hit the door and the like, and it is possible to perform the loading operation easily both mentally and physically.
[0037]
In addition, the left and right auxiliary step bodies 49, 49 do not hinder the operator who sits on the driver's seat 61 and performs the operation while viewing the row or the planting condition of the seedlings in the field. Can easily see the condition of the field. Therefore, the operability and planting workability of the body can be improved.
[0038]
Further, since the front end edges of the left and right auxiliary step bodies 49, 49 are arranged at substantially the same position as the upper end of the rising part 55 in side view, when the operator gets on and off the driving step part 53, In addition, the left and right auxiliary step bodies 49, 49 can be used as clues, and as a result, the operator can get on and off easily and safely.
[0039]
In addition, since the left and right auxiliary step bodies 49, 49 are formed with horizontally long openings 67, 67, 68, 68 extending in the left and right directions at the central portion and the rear portion, the user can sit on the driver's seat 61 and perform appropriate necessary operations. The worker performing the work can visually recognize the rear wheels 13, 13 and the vicinity of the outer end of the planting section 3 through the openings 67, 67, 68, 68, and can perform getting on / off work on a truck and work on a ridge. It can be performed safely and reliably.
[0040]
Further, when a worker steps on the auxiliary step bodies 49, 49 during a seedling supply operation, mud, etc. may adhere to the auxiliary step bodies 49, 49. It can be dropped through the openings 67, 67, 68, 68, and muddy soil can be prevented from being deposited on the auxiliary step bodies 49, 49.
[0041]
12 to 14 show a modified example in which a plurality of (three in this embodiment) rear spare seedling mounting tables 75, 75, 75 are arranged at the rear end of the casing body 47. The mounting tables 75, 75, 75 are arranged within the left and right outer end widths W1 of the left and right auxiliary step bodies 49, 49 and within the outer diameter W4 of the rear wheel 13. Reference numeral 76 denotes a spare seedling support frame.
[0042]
In this manner, since the rear spare seedling mounts 75, 75, 75 can be added separately from the spare seedling mounts 71, 71 provided at the left and right front portions of the body frame 4, the spare seedlings are replenished. Therefore, it is not necessary to move the aircraft to the spare seedling replenishing place.
[0043]
In addition, since the rear spare seedling mounting tables 75, 75, 75 are arranged close to the position immediately in front of the seedling mounting table 80, the worker can transfer the spare seedlings from the rear spare seedling mounting base 75 to the seedling mounting table 80. Can be easily replenished.
[0044]
Further, since the rear spare seedling mounting tables 75, 75, 75 are arranged within the left and right outer end widths W1 of the left and right auxiliary step bodies 49, 49 and within the outer diameter W4 of the rear wheel 13, these rear When the spare seedling mounting tables 75, 75, 75 are provided and when they are not provided, there is no change in the front-rear weight balance of the body, and stable planting work can be performed.
[0045]
As shown in FIGS. 1 and 2, the planting section 3 is formed on the planting mission case 88 so as to extend in the front-rear direction, and is arranged at regular intervals in the left-right direction. The front parts of 89,89,89,89 are interlockingly connected, and the planting claws are interlockingly connected to the left and right rear ends of each planting case 89,89,89,89 via a pair of left and right rotary cases (not shown). Then, the planting work of Hachijo can be performed. 90 is a center float and 91 is a side float.
[0046]
In addition, on these planting cases 89, 89, 89, 89, a seedling mounting table 80 capable of mounting eight-row seedling mats is tilted forward and backward through the seedling mounting support frame 92 in the left-right direction. It is slidably mounted.
[0047]
As shown in FIGS. 1 and 2, the lifting link mechanism 2 is provided between the rear frame forming body 22 of the body frame 4 of the traveling unit 1 and the front end of the planting mission case 88 of the planting unit 3. A lifting hydraulic cylinder 46 (see FIG. 3) is provided between the lifting link body 93 and the front-rear extension support case 10 so as to extend in the direction. By expanding and contracting the, the planting section 3 can be moved up and down.
[0048]
【The invention's effect】
(1) According to the first aspect of the present invention, an operation step portion extending between the handle column and the driver's seat, a rear step portion extending to the left, right, left and right sides of the driver's seat, and the rear step portion In a riding rice transplanter having a main step body including a rising section connecting the above-mentioned operation step section and the above-mentioned operation step section, the left and right auxiliary step bodies project outward from the left and right end edges of the rear step section, respectively. Has been established.
[0049]
In this way, the left and right auxiliary step bodies for seedling replenishment protrude outward only from the left and right edge portions of the rear step portion, so that the left and right sides of the operation step portion and the rising portion are provided. Are open in a plan view.
[0050]
As a result, when loading the machine on a truck, there is no problem that the front end of the auxiliary step body collides with the swing door of the truck, and the auxiliary step body does not collide with the swing door. This reduces the complexity and difficulty of having to carry out the loading operation, and the loading operation can be performed easily both mentally and physically.
[0051]
In addition, for the operator sitting in the driver's seat and performing the operation, the auxiliary step body does not hinder the visibility of the planting condition of the seedlings on the ridges and the field, and the operator can easily understand the condition of the field. You can see it. Therefore, the operability and planting workability of the body can be improved.
[0052]
(2) According to the second aspect of the present invention, an operation step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and right of the driver's seat, and the rear step portion In the riding rice transplanter in which the main step body including the rising part connecting the operation step part and the main step body is provided, the left and right auxiliary step bodies are provided on the main step body, and the front edge portions of both auxiliary step bodies are side surfaces. It is arranged at a position substantially the same as the upper end of the rising portion when viewed.
[0053]
In this manner, the front edge of the left and right auxiliary step body is disposed at substantially the same position as the upper end of the rising portion in side view. The side auxiliary step body can be used as a clue, and as a result, the operator can get on and off easily and safely.
[0054]
(3) According to the third aspect of the present invention, the opening is formed at the center and the rear of the left and right auxiliary step bodies.
[0055]
In this way, since the openings are formed at the center and the rear of the left and right auxiliary step bodies, an operator who is sitting in the driver's seat and performing necessary operations as appropriate can pass through the openings to the rear wheels or the plant. The vicinity of the outer end of the attachment portion can be visually recognized, and the work of getting on and off the truck and the work on the ridge can be performed safely and reliably.
[0056]
In addition, when an operator steps on each auxiliary step body during seedling supply work, mud, etc. may adhere to each auxiliary step body, but such mud, etc. may be dropped through the opening. To prevent the accumulation of mud or the like on each auxiliary step body.
[Brief description of the drawings]
FIG. 1 is a side view of a riding rice transplanter according to the present invention.
FIG. 2 is a plan view of the same rice transplanter.
FIG. 3 is an explanatory side view of a traveling unit.
FIG. 4 is a perspective view of a casing body.
FIG. 5 is a side view of the casing body.
FIG. 6 is a plan view of the casing body.
FIG. 7 is a front view of the casing body.
FIG. 8 is a rear view of the casing body.
FIG. 9 is an explanatory plan view of mounting the auxiliary step body.
FIG. 10 is a perspective view of the body frame (with an auxiliary step body support frame removed).
FIG. 11 is a perspective view of the body frame (with an auxiliary step body support frame attached).
FIG. 12 is a perspective view of a casing body as a modification.
FIG. 13 is a front view of the casing body.
FIG. 14 is an explanatory side view of the casing body.
[Explanation of symbols]
A Riding rice transplanter 1 Running unit 2 Elevating link mechanism 3 Planting unit 4 Airframe 5 Motor unit 6 Operating unit

Claims (3)

A driving step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and right sides of the driver's seat, and a rising portion connecting the rear step portion to the driving step portion. In a rice transplanter equipped with a main step body having
A riding rice transplanter characterized in that left and right auxiliary step bodies protrude outwardly from left and right edge portions of a rear step portion. A driving step portion stretched between the handle column and the driver's seat, a rear step portion stretched to the left, right, left and right sides of the driver's seat, and a rising portion connecting the rear step portion to the driving step portion. In a rice transplanter equipped with a main step body having
A riding rice transplanter characterized in that left and right auxiliary step bodies are provided on a main step body, and front end edges of both auxiliary step bodies are arranged at substantially the same position as an upper end of a rising portion in side view. The riding rice transplanter according to claim 1 or 2, wherein openings are formed in a center portion and a rear portion of the left and right auxiliary step bodies.

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