JP5280084B2 - Transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To cut the cost of a transplanter equipped with an agrochemical spreader for spreading an agrochemical to preliminary seedlings conveyed on a preliminary seedlings conveyance table, and to enable emptied seedling boxes and a seedling scraper to be efficiently returned back to the front of the traveling machine body after replenishing preliminary seedlings from the above table onto the seedling stand of the planting implement. <P>SOLUTION: A transplanter is provided, having the following scheme: with one of the left and right sides of the traveling machine body 4 is installed a preliminary seedlings conveyance table 5 for conveying preliminary seedlings N from the front of the traveling machine body 4 to the rear, and the table 5 is provided with an agrochemical spreader 41 for spreading an agrochemical to the preliminary seedlings N. With the other sides of the right and left of the traveling machine body 4 is installed a preliminary seedling stand 7 including a roller conveyor for storing preliminary seedlings N and returning back emptied seedling boxes B to the front of the traveling machine body 4 after replenishing preliminary seedlings N onto a stand 21. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a transplanter provided with a spare seedling transfer stand that can transfer a spare seedling from the front to the rear of the travel aircraft body on the side of the travel aircraft body. The present invention relates to a transplanter capable of spraying medicine from a device to a spare seedling.

In a conventional riding type transplanter, a bonnet that covers the engine is provided at the front part of the traveling machine body, and on the side of the traveling machine body that is both the left and right sides of the bonnet, a planting work machine that is provided behind the traveling machine body is provided. In order to efficiently replenish the seedling stage with spare seedlings, a roller conveyor-type seedling supply device having a low and high tilting posture is arranged, and a spare seedling that slides on the roller conveyor of the seedling supply device A device in which a chemical spraying device including a chain transmission mechanism that is driven in conjunction is provided in the seedling supply device is known (for example, see Patent Document 1).
JP 2008-5720 A (page 4-7, FIGS. 1 to 3)

However, it is understood that the seedling supply apparatus provided with the medicine spraying device of Patent Document 1 described above is arranged on the left side of the traveling machine body, but the right side is unknown, and the seedling supply apparatus is temporarily connected to the traveling machine body. If it is arranged only on one side, there is a shortage of placement space for storing spare seedlings. On the other hand, if a seedling supply device is disposed on both the left and right sides of the traveling machine body, and a pair of chemical spraying devices is provided for each seedling supply device, the cost increases.
Moreover, the riding type transplanter of Patent Document 1 supplies a seedling box or a seedling scraper that has been emptied after a spare seedling is replenished from a seedling supply device to a seedling mount of a planting work machine provided behind the traveling machine body. There is no room for improvement in terms of workability because there is no return means for sending it back to the front.

An object of the present invention is to solve the above-described problem, and is configured to connect a planting work machine having a seedling stand on the rear side of a traveling machine body so as to be movable up and down, and on both right and left sides of the traveling machine body. extends inclined before high after low shape over from the front to the rear, and arranged a preliminary seedling transfer table for transferring the pre seedlings machine, the preliminary seedling only one preliminary seedling transfer table the right and left rear While equipped with a constant speed transport device that transports at a constant speed, and provided with a drug spraying device that can adjust the amount of drug sprayed on the spare seedlings on the constant speed transport device , only on the spare seedling transfer table on the left and right other side , It is characterized in that the posture can be changed to a front, lower, and rear high-tilt posture so that an empty seedling box after replenishing a spare seedling on the seedling platform can be sent back to the front of the traveling machine body.

According to the first aspect of the present invention, the medicine is sprayed on the spare seedlings only on the spare seedling transfer table that transports the spare seedlings from the front to the rear of the traveling aircraft disposed on the left and right sides (one side) of the traveling aircraft. The cost reduction can be achieved by providing a drug spraying device, and spare seedlings that have been sprayed with the drug spraying device can be efficiently stored in a spare seedling transfer stand provided on the left and right sides of the traveling machine body. Workability is improved.
In addition, since it consists of a transfer stand that can transfer the reserve seedlings from the front to the rear of the traveling machine body by the left and right other side seedling transfer tables, it extends from the front to the rear of the traveling machine body on both the left and right sides of the traveling machine body. Preliminary seedlings can be transferred to improve work efficiency.
Further, if no stored pre seedlings in the preliminary seedling transfer table of the right and left the other side, it is possible to send back the seedling box emptied after supplemented with pre seedling seedlings load platform in front of the vehicle body, the above-mentioned Thus, there is no need to provide a special return means for returning the seedling box and the seedling scraper emptied to the front of the traveling machine body.

  Next, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 are a side view and a plan view of a riding type rice transplanter 1 which is a riding transplanter. The riding type rice transplanter 1 is supported by a pair of left and right front wheels 2 and a rear wheel 3. 4 is provided on one side of the left and right sides (left side in this embodiment) with a foldable spare seedling transfer stand 5 extending from the front to the rear of the traveling machine body 4 and the other side ( On the right side), a preliminary seedling stage 7 having a multistage preliminary seedling stage 6 is provided on the upper and lower sides.

  An engine E covered with a bonnet 8 is mounted on the front of the traveling machine body 4, and a steering unit including a steering wheel 11, a driving operation panel 12, a main transmission lever 13, and the like behind the bonnet 8. 14, a step 15 for forming the floor of the control unit 14, and a body cover 17 for supporting the seat 16. The body cover 17 is formed with flat seedling supplying steps 17 a and 17 a that are one step higher than the step 15 on the left and right sides behind the seat 16.

  In addition, a planting work machine 19 is connected to the rear of the traveling machine body 4 via a lifting link mechanism 18 so as to be lifted and lowered. The planting work machine 19 includes a seedling mounting table 21 that is inclined in a low shape before and after the front height, and a transplanting device 23 that includes a plurality of planting rods 22 that scrape and plant seedlings from the seedling mounting table 21; A float 24 and the like for leveling the planting field are provided below the transplanting device 23, but these basic configurations are all conventional and will not be described in detail.

  Of the front steps 25L and 25R formed on the left and right sides of the bonnet 8, two struts 26a and 26b extending outward from the traveling machine body 4 are set up from below the left front step 25L. In addition to the raising, by forming a front and rear low stay 28 at the upper part of both struts 26a, 26b, the fixed transfer table 5a constituting the folding-type preliminary seedling transfer table 5 can be screwed to the upper part of the stay 28. It is configured as follows.

  Further, a first movable transfer table 5b and a second movable transfer table 5c that are rotatable with respect to the fixed transfer table 5a are connected to the front and rear sides of the fixed transfer table 5a. As shown in FIG. 1 and FIG. 2 (FIG. 3), the transfer postures 5a, 5b, 5c are deployed in a substantially straight line in front and rear and low in a side view and the first movable transfer table 5b. And the second movable transfer table 5c can be changed to a retracted posture state (not shown) in which the fixed transfer table 5a is folded above the fixed transfer table 5a.

  When the preliminary seedling transfer stand 5 is in the unfolded posture state, the first movable transfer stand 5b is deployed at a position higher than the bonnet 8 and protrudes greatly from the front end of the traveling machine body 4, so that there is a step from the farm scene. The workability at the time of replenishing the spare seedling (mat seedling) N to the spare seedling transfer stand 5 from a large road or fence on the edge of the ridge is good. Further, since the end of the second movable transfer table 5c is located above and outside the seedling supply steps 17a and 17a, the supply of the spare seedling N from the second movable transfer table 5c to the seedling mounting table 21 is smooth. Yes.

  Further, the fixed transfer table 5a, the first movable transfer table 5b, and the second movable transfer table 5c constituting the preliminary seedling transfer table 5 are made of aluminum alloy left and right outer frames 31, 31 or polyamide (a lightweight member). A form of a roller conveyor is adopted in which a plurality of rolling rollers 32 are attached at predetermined intervals between left and right outer frames injection-molded using a thermoplastic resin such as nylon.

  Then, when the reserve seedling transfer base 5 is replenished to the reserve seedling transfer stand 5 from the road or the fence on the side where the level difference from the farm scene is large, first, the first movable transfer stand 5b that protrudes greatly from the front end of the traveling machine body 4 is used. The preliminary seedling box B in which the preliminary seedling N is raised or the preliminary seedling N grown in the seedling box B is scooped up with a seedling scraper, and the preliminary seedling transfer stand 5 By sliding the plurality of rolling rollers 32 toward the rear of the machine body, the preliminary seedling N can be continuously supplied onto the preliminary seedling transfer stand 5 from the edge.

  On the other hand, on the front side of the fixed transfer table 5a constituting the reserve seedling transfer table 5, there is provided a medicine spraying device 41 provided with a constant speed transfer device 38 for forcibly transferring the preliminary seedling (mat seedling) N at a constant speed. . The constant-velocity conveyance device 37 is composed of a belt conveyor and includes a pair of front and rear pulley shafts 39 having a plurality of conveyance pulleys 38, 38,... And a conveyance belt wound between the front and rear conveyance pulleys 38,. 40, 40, and an electric motor (belt conveyor drive motor) M that rotates and drives the rear pulley shaft 39, and the seedling box B in which the preliminary seedling N is raised or the seedling box B is raised. In the state where the preparatory seedling N that has been picked up by the seedling scraper is handed over from the first movable transfer stand 5b on the upper transfer side to the fixed transfer stand 5a to replenish the seedlings, the constant-speed transfer device 38 uses the preparatory seedling. Since the transport speed of N can be kept constant, variations in the amount of medicine sprayed due to changes in the transport speed of the preliminary seedling N are suppressed.

  Furthermore, a plurality of seedling detection switches S1, S2, S3, and S4 for detecting the position of the preliminary seedling N are provided on the fixed transfer base 5a and the second movable transfer base 5c constituting the preliminary seedling transfer base 5. These seedling detection switches S1, S2, S3, S4 are contact type detection switches, and the first seedling detection switch S1 detects the presence of the preliminary seedling N at the transport start end position of the constant velocity transport device 38, and The seedling detection switch S2 detects the presence of the preliminary seedling N at the drug spraying start position by the drug spraying device 41, and the third seedling detection switch S3 and the fourth seedling detection switch S4 are the start end of the second movable transfer table 5c. And it arrange | positions so that presence of the preliminary seedling N in a rear-end part can be detected.

  The control unit (not shown) of the drug spraying device 41 includes a drug spraying motor, a main switch, a drug spraying amount adjustment dial, an electric motor (belt conveyor drive motor) M, and seedling detection switches S1, S2, S3, S4, and the like. The control unit is connected to the main switch, the medicine spraying amount adjustment dial, and the seedling detection switches S1, S2, S3, and S4 while performing the drive control of the electric motor M and the medicine spraying motor. It is comprised so that a chemical | medical agent can be sprayed to the seedling N. FIG.

  According to the configuration described above, only the preliminary seedling transfer base 5 that transfers the preliminary seedling N from the front to the rear of the traveling aircraft 4 disposed on the left and right sides (one side) of the traveling aircraft 4 is provided. Cost reduction can be achieved by providing the drug spraying device 41 for spraying the drug, and the preliminary seedlings N that have been sprayed with the drug spraying device 41 are provided on the left and right sides of the traveling machine body 4. Since it can be efficiently stored in the preliminary seedling stage 7, workability is improved.

  Moreover, as shown in the plan view of the riding type rice transplanter 1 shown in FIG. 3, a reserve seedling stand 7 (see FIG. 2) provided with a plurality of preliminary seedling stands 6 on the upper and lower sides provided on the right side of the traveling machine body 4 is used. Folding-type preparatory seedling transfer comprising a fixed transfer stand 7a, a first movable transfer stand 7b, and a second movable transfer stand 7c similar to the folding-type preparatory seedling transfer stand 5 extending to the left side of the traveling machine body 4 You may comprise as a stand. Also in this case, the fixed transfer table 7a, the first movable transfer table 7b, and the second movable transfer table 7c constituting the reserve seedling loading table (preliminary seedling transfer table) 7 are left and right outer parts made of aluminum alloy, which are lightweight members. A form of a roller conveyor is used in which a plurality of rolling rollers 32 are attached at predetermined intervals between left and right outer frames that are injection-molded using a thermoplastic resin such as frames 31, 31 or polyamide (nylon). .

  As shown in FIGS. 4 and 5, the above-described reserve seedling mounting table (preliminary seedling transfer table) 7 includes two pipe columns 46 a and 46 b from below the front step 25 </ b> R formed on the right side of the bonnet 8. And the stay 48 is connected to the upper portion of the stay 48 by connecting the stay 48 with the upper portions of the columns 47a and 47b fitted into the pipes 46a and 46b as free fulcrums P1 and P2. The fixed transfer table 7a can be screwed.

  Further, the struts 47a and 47b fitted into the two pipe struts 46a and 46b described above are configured such that their heights can be adjusted via positioning pins 49a and 49b with handles. That is, as shown in FIG. 4, each of the transfer stands 7a, 7b, 7c constituting the reserve seedling mounting stand (preliminary seedling transfer stand) 7 is developed in a deployed posture state in which it is deployed in a substantially straight line in front view and rear view. When both struts 47a and 47b are adjusted, the seedling box B in which the preliminary seedling N is raised or the preliminary seedling N that is raised in the seedling box B is scooped up with a seedling scraper. , By continuously sliding the plurality of rolling rollers 32 of the reserve seedling stand (preliminary seedling transfer stand) 7 toward the rear of the machine body, the spare seedling is continuously reserved from the roads and ridges on the shore where there are large steps from the field scene. It can be replenished on the seedling mounting stand (preliminary seedling transfer stand) 7. On the other hand, as shown in FIG. 5, each of the transfer stands 7 a, 7 b, 7 c constituting the reserve seedling mounting stand (preliminary seedling transfer stand) 7 is deployed in a substantially straight line shape in front and back and rear height in a side view. Thus, when both struts 47a and 47b are adjusted, the seedling box B and the seedling scraper which are emptied after the preliminary seedling N is supplied to the seedling mounting base 21 can be sent back to the front of the traveling machine body 4.

  According to the configuration shown in FIGS. 3 to 5 described above, the spare seedling transfer stand 5 disposed on the left side of the traveling machine body 4 adopting the form of a roller conveyor and the spare seedling disposed on the right side of the traveling machine body 4. Since the stand (preliminary seedling transfer stand) 7 can transfer the preliminary seedling N from the front to the rear of the traveling machine body 4 on both the left and right sides of the traveling machine body 4, work efficiency is improved.

  Moreover, the reserve seedling stand (preliminary seedling transfer stand) 7 provided on the right side of the traveling machine body 4 can change its posture in a substantially straight line from the front high rear low to the front low rear high in a side view. Since the roller conveyor is adopted, the transfer stand that can efficiently send back the empty seedling box B and the seedling scraper to the front of the traveling machine body 4 after supplying the seedling mounting base 21 with the spare seedling N. It is not necessary to provide a special returning means for returning the seedling box B and the seedling scraper emptied as described above to the front of the traveling machine body 4.

The side view of a riding type rice transplanter. The top view of a riding type rice transplanter (first embodiment). The top view (2nd Example) of a riding type rice transplanter. The principal part side view which shows the seedling supply attitude | position of a preliminary seedling mounting stand (preliminary seedling transfer stand). The principal part side view which shows the seedling box return attitude | position of a preliminary seedling mounting stand (preliminary seedling transfer stand).

Explanation of symbols

4 traveling machine body 5 spare seedling transfer table 19 planting work machine 21 seedling mounting table 41 chemical spraying device B seedling box N spare seedling

Claims (1)

A planting work machine (19) having a seedling stand (21) on the rear side of the traveling machine body (4) is connected to be movable up and down, and on the left and right sides of the traveling machine body (4) from the front to the rear of the traveling machine body (4). A preliminary seedling transfer table (5, 7) for transferring the preliminary seedlings (N) to the machine is arranged on the left and right auxiliary seedling transfer tables (5). Only the preliminary seedling (N) is provided with a constant-speed transfer device (37) that transfers the seedling backward (N) at a constant speed, and the spray amount of the medicine can be adjusted with respect to the preliminary seedling (N) on the constant-speed transfer device (37). While providing the chemical spraying device (41), only the spare seedling transfer stand (7) on the left and right side is emptied after the spare seedling stand (21) is replenished with the spare seedling (N). A transplanter characterized in that the posture can be changed to a front, lower, rear, and high inclined posture so that the vehicle can be sent back to the front of the traveling machine body (4).

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