JP2007151557A - Transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transplanter, such as a riding type rice transplanter, which has preliminary seedling-loading tables for continuously supplying preliminary seedling from furrow side on the machine frame side portions, and facilitates to get on or off the tranplanter. <P>SOLUTION: This transplanter is characterized by constituting the posture state of preliminary seedling-loading tables changeable into a longitudinally parallel posture state where a first seedling table is positioned by projecting from the front end of a travel machine frame in the front of a fixed seedling table, and a second seedling table is positioned at the side of a step forming the floor of the driving section and a driver's seat behind the fixed seedling table, and a vertically parallel posture state where the first seedling table and the second seedling table are placed in a vertical direction to the fixed seedling table fixedly disposed in front of the driver's seat. Alternatively, the transplanter is equipped with turnable fulcrum points at the front and rear ends of the fixed seedling table, and the first seedling table is supported rearward rotatable to the fixed seedling table and the second seedling table is supported forward rotatable to the fixed seedling table in the longitudinal parallel posture state. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a transplanter such as a riding type rice transplanter provided with a spare seedling platform for continuously supplying spare seedlings from the edge of a side of a traveling machine body.

Conventionally, as a form of a preliminary seedling platform for supplying spare seedlings (mat seedlings) to a riding type rice transplanter, a roller conveyor provided with a large number of rolling rollers between left and right frames is disposed on the side of the machine body, Slide the seedling box where spare seedlings are raised on the rolling roller so that the spare seedlings can be continuously supplied from the heel to the machine side, and the front and rear sides of the roller conveyor are folded up. When folding the conveyor on the rear conveyor and storing it, the folding interval between both conveyors is set at a predetermined interval so that the spare seedlings placed on the rear conveyor are not pressed against the front conveyor. (For example, refer to Patent Document 1).
JP-A-6-276821 (page 4-5, FIGS. 12-13)

  However, in the above-described conventional preliminary seedling platform, when the front and rear intermediate portions of the roller conveyor are folded and the front conveyor is folded over the rear conveyor, the operator goes to the step of the riding rice transplanter. When getting on and off, there was a drawback that the boarding and getting off from the auxiliary step provided on the side of the aircraft at a position one step lower than this step could not be blocked by the folded two roller conveyors .

The present invention was devised for the purpose of solving the above-mentioned problems, and the planting part is connected to the rear part of the traveling machine body provided with the driver's seat, and the spare seedling is placed on the side part of the traveling machine body from the edge. In the transplanter provided with the spare seedling stage to be replenished, the preliminary seedling stage is fixedly provided on the traveling machine body in front of the driver's seat, and a first seedling stage provided so that the position can be changed, And the second seedling stand, the posture state of the preliminary seedling stand is positioned such that the first seedling stand protrudes from the front end of the traveling machine body in front of the fixed seedling stand, and the second seedling stand is A front-rear parallel posture state that is positioned behind the fixed seedling stand and on the side of the driver's seat, and a vertical parallel posture state in which the first seedling stand and the second seedling stand are positioned vertically with respect to the fixed seedling stand. The first feature is that it can be changed.
Then, a rotation fulcrum is provided at the front end portion and the rear end portion of the fixed seedling stand, and in the front-rear parallel posture state, the first seedling stand is supported so as to be able to rotate backward with respect to the fixed seedling stand, The second feature is that the base is supported so as to be rotatable forward relative to the fixed seedling base.

  According to the invention of claim 1, the preliminary seedling stand is arranged such that the fixed seedling stand, the first seedling stand, and the second seedling stand are arranged in front and rear, the first seedling stand is projected from the front end of the traveling machine body, and the first Up and down direction with respect to the fixed seedling stand in which the two seedling stands are extended to the rear part of the traveling body, and the first seedling base and the second seedling base are fixedly provided on the traveling body ahead of the driver's seat. It is possible to change the posture to be parallel to the posture that is positioned in parallel, and by arranging the fixed seedling stand, the first seedling stand, and the second seedling stand in parallel in the vertical direction on the front side of the traveling aircraft body, It is possible to smoothly get on and off the step of forming the surface, and workability is improved.

According to the invention of claim 2, in a posture in which the first seedling stand protrudes from the front end of the traveling machine body and the second seedling bed extends to the rear part of the traveling machine body, When the seedling platform is rotated, the amount of projection of the preliminary seedling platform from the front end of the traveling machine body is reduced, and it is possible to get on and off the step of forming the floor surface of the cockpit.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 are side views showing a deployed posture state (front-rear parallel posture state) of the folding-type preliminary seedling platforms 2, 2 disposed on the left and right sides of the body of the riding type rice transplanter (transplanter) 1. The riding type rice transplanter 1 on which the preliminary seedling platforms 2, 2 are arranged has a traveling machine body 5 supported by the front wheels 3 and the rear wheels 4, and the front side of the traveling machine body 5. A front step 6 is mounted, and an engine (not shown) covered with a bonnet 7 is mounted in the center of the front step 6, and a steering handle 8, a main transmission lever 9, and an operation are provided behind the bonnet 7. A control unit 11 having an operation panel 10 and the like, a step 12 for forming a floor surface of the control unit 11, a body cover 14 for supporting a driver's seat 13, and the like are provided. The machine body cover 14 is provided with flat seedling replenishment steps 14 a and 14 a formed one step higher than the step 12 on both the left and right sides behind the driver seat 13.

  And the planting part 16 which is a working machine is connected with the rear part of the traveling body 5 via the raising / lowering link mechanism 15 so that raising / lowering is possible. The planting unit 16 includes a seedling stage 17 that is inclined forward, and a plurality of planters 18 that scrape and plant seedlings from the seedling stage 17, and the planting surface is leveled below the planter 18. Although a float 19 and the like are provided, these basic configurations are all the same as in the past, and detailed description thereof is omitted.

  Folding-type preliminary seedling platforms 2, 2 that are provided on the left and right sides of the front step 6 and replenish the preliminary seedlings N (see FIG. 3) from the edge of the front step 6 are brackets 21a, 21b, a fixed seedling table 2m, a first seedling table 2f in front of the fixed seedling table 2m, and a second seedling table 2b behind the fixed seedling table 2m. The first seedling table 2f is positioned forward with respect to the fixed seedling table 2m, and the second seedling table 2b is positioned rearward with respect to the fixed seedling table 2m. And when it is in the deployment posture state (front-back parallel posture state) in which the second seedling stand 2b is juxtaposed in the front-rear direction, the whole is in a tilted posture of front and rear and low. At this time, the first seedling platform 2f constituting the preliminary seedling platform 2 and 2 largely protrudes from the front end of the traveling machine body 5, and the second seedling platform 2b forms the floor surface of the control unit 11, step 12, And it is located on the side of the driver's seat 13 and extends over the flat seedling replenishment steps 14a and 14a of the machine body cover 14 located in the vicinity of the seedling mount 17 of the planting part 16.

  Further, as described above, the preliminary seedling platforms 2 and 2 in the deployed posture state (front-rear parallel posture state) are, as a whole, rolling rollers at predetermined intervals between the left and right outer frames made of aluminum alloy, which is a lightweight member. ... Are used, and when supplementary seedlings 2 and 2 are replenished to the preliminary seedling platforms 2 and 2, firstly, the preliminary seedlings that largely project from the front end of the traveling machine body 5 are used. As shown in FIG. 3, the first seedling stand 2f of the bases 2 and 2 is approached, and then, as shown in FIG. 3, the spare seedling (mat seedling) N grown in a square seedling box (not shown) is turned into a seedling scraper. 25. In the state picked up by 25, the above-mentioned rolling roller... Is sequentially slid in the direction of the arrow in the figure (the rear of the machine body), so that the preliminary seedling N is continuously drawn from the edge of the preliminary seedling platform 2,2. It is configured to replenish the top.

  At this time, as shown in FIG. 4, the holding part 25a is formed in a convex shape so that the rear end surface E of the holding part 25a of the seedling scraper 25 contacts the floor soil G of the preliminary seedling N. If this is the case, the gripping portion 25a of the seedling scraper 25 placed on the preliminary seedling placing platforms 2 and 2 and the seedling stem portion on the side of the tip portion 25b of the seedling scraper 25 to be subsequently replenished will not directly contact each other. In addition, it is possible to prevent damage to the seedling stem portion that occurs when the preliminary seedling is replenished. In addition, a stopper plate 26 having a reverse L-shaped cross section is provided laterally at the rear end of the second seedling table 2b constituting the preliminary seedling table 2 and 2 shown in the figure, and this stopper plate 26 is prevented from falling. The spare seedlings N placed on the preliminary seedling platforms 2 and 2 that are configured as members and are configured in an inclined posture with a low height before and after are prevented from falling.

  In addition, fertilizer tanks 27L and 27R for supplying paste-like or liquid fertilizer to a fertilizer application device (not shown) are installed below the fixed seedling stand 2m that constitutes the intermediate portion of the preliminary seedling stand 2 and 2. The fertilizer supply port (lid) B provided at the upper part of the fertilizer tanks 27L, 27R is in a state of being blocked by the fixed seedling stand 2m. Therefore, as shown in FIG. 5, roller conveyor means 22 that can be partially opened and closed is provided above the fertilizer supply ports (lids) B of the fertilizer tanks 27L and 27R. That is, the roller conveyor means 22 attaches the three rolling rollers 21 to the inner frames 28a, 28a fitted inside the left and right outer frames 28, 28 constituting the fixed seedling stand 2m at a predetermined interval. , P1 as a rotation fulcrum, and is configured to be rotatable in the arrow direction in the figure. Therefore, when the fertilizer tanks 27L and 27R are replenished with fertilizer, the fertilizer replenishment of the fertilizer tanks 27L and 27R is performed by rotating the roller conveyor means 22 from the seedling replenishment posture shown by the two-dot chain line in the figure to the state shown by the solid line. The upper part of the mouth (lid) B is opened so that the fertilizer can be easily replenished.

  The left and right arms 30, 30 provided in a protruding shape at the rear end of the first seedling table 2f are connected to the left and right arms 31, 31 formed to protrude upward at the front end of the fixed seedling table 2m. It is supported as a pivot point so that it can pivot rearward. Then, as shown in FIGS. 6 and 7, only the first seedling stand 2f is rotated and folded backward as indicated by the arrows in the figure, and is positioned above the fixed seedling stand 2m (planting work posture state) ), When the stopper pins 32, 32 fixed to the upper portions of the arms 31, 31 and the left and right arms 30, 30 come into contact with each other, the preliminary seedling N is placed on the fixed seedling stand 2m below the first seedling stand 2f. A space S that can be placed is secured, and the preliminary seedling N can be placed also on the upper surface U of the first seedling stand 2f. That is, the planting operation is a posture in which the length in the front-rear direction of the preliminary seedling platform 2 or 2 is shortened by folding only the first seedling platform 2f and placing it in parallel with the fixed seedling platform 2m. When it is in the posture state, since the preliminary seedling N can be placed on the upper surface side U of the first seedling stand 2f and the fixed seedling stand 2m below the first seedling stand 2f, only the first seedling stand 2f is folded and the fixed seedling stand In the same way, the spare seedlings are placed on the first seedling stand when planting in a shortened posture in which the amount of protrusion of the preliminary seedling placing stands 2 and 2 from the front end of the traveling machine body 5 is reduced in parallel with the upper side of 2 m. N can be placed, and the full length of the spare seedling platforms 2 and 2 is used effectively, and the same amount of the spare seedling N as the deployed posture state (front and rear parallel posture state) of the preliminary seedling platforms 2 and 2 is placed. It can be configured.

  As described above, the left and right arms 30, 30 projecting from the rear end of the first seedling table 2f and the left and right arms 31, 31 formed projecting upward from the front end of the fixed seedling table 2m are used. It is also possible to adopt a parallel link mechanism instead of the folding form of the seedling stand 2f. Further, a stopper plate 26 as a fall prevention member provided in the rear end of the second seedling stand 2b is similarly provided at the rear end of the first seedling stand 2f, and a rod shape as a fall prevention member is provided at the front end side thereof. As shown in FIGS. 6 and 7, a stopper arm 35 is provided at the front end of the fixed seedling stand 2m and is provided with a stopper arm 35 that is always urged by a spring 34 to pivot upward with P3 as a fulcrum. Further, the fall prevention means is configured so that the spare seedlings N... Placed on the spare seedling platforms 2 and 2 are not dropped due to the vibration of the body during the planting operation.

  As described above, when the first seedling stand 2f is folded and positioned above and placed in the planting posture, the rear end portion of the first seedling stand 2f is more than the rear end portion of the second seedling stand 2b. Since it is configured to be positioned forward by one or more spare seedlings N, the preliminary seedlings N placed on the second seedling stand 2b and the fixed seedling stand 2m can be easily taken out in order. The operation of replenishing the preliminary seedling N to the seedling stage of the planting part can be performed efficiently.

On the other hand, the second seedling table 2b is supported so as to be able to rotate forward with the rear end of the fixed seedling table 2m, that is, the side position P4 of the operation panel 10 as a rotation fulcrum. More specifically, as shown in FIG. 8, the first seedling stand formed when the first seedling stand 2 f is folded by rotating backward, that is, when the first seedling stand 2 f is in the planting work posture state. The second seedling stand 2b is folded into the space S between 2f and the fixed seedling stand 2m below the first seedling stand 2f with respect to the fixed seedling stand 2m on the side of the front step 6 at the front of the traveling machine body. By placing the second seedling table 2b in parallel in the vertical direction, the preliminary seedling table 2, 2 can be placed in the retracted posture state (vertical parallel posture state). The folding structure of the bases 2 and 2 can be made lightweight and compact. Also, the first seedling table 2f and the second seedling table 2b are folded, and the fixed seedling table 2m, the first seedling table 2f, and the second seedling table 2b are vertically moved to the side of the front step 6 at the front of the traveling machine body. By adopting the parallel posture state, it is not necessary to provide a separate hydraulic actuator or the like in order to enable smooth getting on and off to the step 12 forming the floor surface of the control unit 11, and a low-cost spare seedling platform 2. , 2 can be configured.

The whole side view of the riding type rice transplanter (transplanter) to which the present invention is applied. The whole top view same as the above. The whole side view of the riding type rice transplanter which shows the state which mounted the preliminary seedling on the preliminary seedling mounting stand of a deployment posture state (front-back parallel posture state). The principal part sectional side view which shows the holding | grip part shape of a seedling scraper, and the stopper plate of a reserve seedling stand rear end. The sectional side view which shows the roller conveyor means which can be opened and closed provided in the front-back direction intermediate part of the preliminary seedling stand. The whole side view of the riding type rice transplanter which shows the state which folded the front part of the reserve seedling stand of a deployment attitude | position state (front-back parallel attitude | position state), and mounted the preliminary seedling. The principal part sectional side view which shows the state which folded the front part of the preliminary seedling mounting stand of a deployment attitude | position state (front-back parallel attitude | position state), and mounted the preliminary seedling. The whole side view of the riding type rice transplanter which shows the reserve seedling stand in a retracted posture state (upper and lower parallel posture state).

Explanation of symbols

2 preliminary seedling stand 2f first seedling stand 2b second seedling stand 2m fixed seedling stand 5 traveling machine body 16 planting part 17 seedling placing stand N spare seedling S space U upper surface side of first seedling stand (planting work posture state)

Claims (2)

  A planting part (16) is connected to the rear part of the traveling machine body (5) provided with the driver's seat (13), and a spare seedling is placed on the side part of the traveling machine body (5) from the edge of the vehicle. In the transplanting machine provided with the platform (2), the preliminary seedling platform (2) is positioned in front of the driver seat (13) and fixedly placed on the traveling machine body (5). The first seedling stand (2f) and the second seedling stand (2b) provided to be changeable, the posture state of the preliminary seedling placing stand (2), the first seedling stand (2f) is the fixed seedling The second seedling stand (2b) is positioned in front of the platform (2m) and protruding from the front end of the traveling machine body (5), and is located behind the fixed seedling stand (2m) and on the side of the driver seat (13). The front-rear side-by-side posture state, and the first seedling stand (2f) and the second seedling stand (2b) are vertically aligned with respect to the fixed seedling stand (2m). Transplanter, characterized in that the changeable configured to the energized state. Rotation fulcrums (P2, P4) are provided at the front end and the rear end of the fixed seedling stand (2m), and the first seedling stand (2f) with respect to the fixed seedling stand (2m) in the front-rear parallel posture state The transplanting machine according to claim 1, wherein the second seedling stand (2 b) is supported so as to be able to turn forward relative to the fixed seedling stand (2 m).

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