JP2019129743A - Work vehicle - Google Patents

Abstract

To provide a work vehicle in which seedling trays can be aligned and piled up more neatly than ever before, and the seedling trays can be easily taken out in view of a problem with a conventional work vehicle.SOLUTION: In a work vehicle provided with a planting device (3) for taking out pot seedlings from seedling trays in which the pot seedlings are arranged and planting them in a farm field, and a seedling tray storage unit (15) for storing the seedling trays in a traveling vehicle body (1), the seedling tray storage unit (15) is provided with a first storage part (16) for storing the seedling trays (8) and a second storage part (17) that inclines the seedling trays with respect to the first storage part, and is provided with guide means (19) for guiding the seedling trays from the first storage part (16) to the second storage part (17).SELECTED DRAWING: Figure 2

Description

  The present invention relates to a work vehicle including a seedling planting device that performs seedling planting work in a farm field.

  In the prior art documents, the work vehicle such as a seedling transplanter used when performing operations such as seedling planting in the field is transferred to the planting device by a transporting device that transports the seedling tray. A seedling is planted in the field, and a seedling tray that has been emptied is aligned at a predetermined position to store a plurality of seedling trays (see Patent Document 1).

JP, 2006-101129, A

  However, according to the above-described conventional configuration, when the seedling tray that has been emptied is pushed forward from the rear end of the tray conveyance path, rail members that support the left and right ends of the seedling tray are not provided. The front end of the container droops greatly due to its own weight, hits the bottom of the seedling pot of the seedling tray that is already stored in the storage case, and pushes the seedling tray forward, so the seedling trays stored in the storage case are displaced from each other and clean There was a problem that they could not be stacked and stacked.

  In addition, since the seedling tray is reused many times, the end of the seedling tray and the wrinkles may be damaged, resulting in a problem that transportability is lowered.

  The present invention has been made in view of the problems of the conventional work vehicle described above, and an object of the present invention is to provide a work vehicle in which the seedling trays are arranged more neatly than in the prior art and stacked, and the seedling trays can be easily taken out.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the present invention according to claim 1 is a planting device (3) for taking out pot seedlings from a seedling tray in which pot seedlings are arranged in a traveling vehicle body (1) and planting them in a farm field, and a seedling tray for housing the seedling trays. In the work vehicle including the storage unit (15), the seedling tray storage unit (15) includes a first storage unit (16) for storing the seedling tray (8) and a seedling tray with respect to the first storage unit. And a second storage part (17) that is inclined to provide guide means (19) for guiding the seedling tray from the first storage part (16) to the second storage part (17). To do.

  The falling seedling tray (8) is sequentially and stably stacked by the first accommodating portion (16). And in a 2nd accommodating part (17), since the seedling tray piled up in the 1st accommodating part inclines to a front rising attitude | position, it becomes easy to take out a seedling tray, and workability | operativity improves.

  In addition, since the seedling tray (8) is guided from the first storage portion to the second storage portion by the guide means (19), the work for taking out is not required and the workability is improved.

  According to a second aspect of the present invention, in the first aspect, the first storage portion (16) is provided with a detection device (21) for detecting that a predetermined amount of seedling tray is stored, and the seedling tray stores a predetermined amount. When it is detected, the seeding tray is guided from the first storage part (16) to the second storage part (17) by the guiding means (19).

  According to the above configuration, when a predetermined amount of seedling tray is accumulated in the first storage part (16), the first storage part (16) is guided to the second storage part (17) by the guiding means (19). Thus, workability is improved.

  According to a third aspect of the present invention, in the first or second aspect, the second storage portion (17) is provided on the front side of the machine body relative to the first storage portion (16), and the seedling tray is provided. When the fixed amount is accommodated in the first accommodating portion (17), it is guided toward the front side of the machine body by the guiding means (19).

  According to the above configuration, since several empty seedling trays are guided toward the front side of the machine body, the seedling tray moves from the first storage portion (16) to the second storage portion (17) and several sheets Since the seedling tray (8) is inclined forward and approaches the driver's seat (5) side, the seedling tray can be easily taken out from the second accommodating portion, and workability is improved.

  The present invention according to claim 4 is a notification for notifying that the seedling tray of the first storage part (16) is guided to the second storage part (17) in claim 1, 2 or 3. Means (22) are provided.

  According to the above configuration, by providing the notification means (22), it is possible to prevent the clogging due to forgetting to take out by promptly notifying the driver and the worker that the seedling tray has been guided to the second accommodating portion (17). Can do.

  In short, according to the first aspect of the present invention, the seedling trays falling to the first storage unit are sequentially and stably stacked, and in the second storage unit, the seedling trays stacked on the first storage unit. Since it tilts forward, it is easy to take out and workability is improved.

  In addition, since the seedling tray is guided from the first storage portion to the second storage portion by the guide means, the work for taking out is not required and the workability is improved.

  According to the second aspect of the present invention, in addition to the effect of the first aspect, when the seedling tray accumulates in a predetermined amount in the first accommodating portion, the guiding means guides the first accommodating portion to the second accommodating portion. Therefore, workability is improved.

  According to the third aspect of the present invention, in addition to the effect of the first or second aspect, the first accommodation is performed by guiding the seedling tray from the first accommodation portion toward the second accommodation portion on the front side. Since the seedling tray moves from the section to the second storage section, the seedling tray tilts forward and approaches the driver's seat side, the seedling tray can be easily taken out from the second storage section, and workability is improved.

  According to the fourth aspect of the present invention, in addition to the effect of the first aspect, the second aspect, or the third aspect, the notification means is provided to operate the seedling tray guided to the second accommodating portion. It is possible to prevent the clogging due to forgetting to take out the information by promptly informing the operator and the operator.

Top view of riding rice transplanter Side view of the main part Side view of seedling tray storage Side view of essential parts of seedling planting device Perspective view of main part of seedling tray accommodating part Side view of essential parts of seedling tray storage

  An embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 shows a plan view of a riding type rice transplanter, and FIG. 2 shows a side view of the main part, in which eight seedlings are planted through a lifting link mechanism 2 on the rear side of a traveling vehicle body 1. Attaching device (seedling planting part) 3 is mounted to be movable up and down.

  The traveling vehicle body 1 is configured as a four-wheel drive type including a pair of left and right front wheels and rear wheels 4 and 4 as drive wheels.

  A driver's seat 5 is installed on the center side of the traveling vehicle body, and a steering handle 6 is provided on the front side thereof, and the front wheels are steered by operating the handle.

  On both the left and right sides of the steering handle 6, a replenishment seedling mounting frame 7 on which a large number of seedling trays are loaded is disposed. A seedling tray previously placed on the replenishing seedling mounting frame 7 is planted. While the operator is taking out during the attaching operation, the operator can sequentially carry and replenish it to the upstream side of the starting end portion of the conveying path 11 in the seedling tray conveying mechanism 10 of the seedling planting unit 3 provided at the rear.

  The conveyance path 11 sequentially conveys one seedling tray 8 for each pair of two-row planting parts (one pair of planting claws) 12 to supply pot seedlings to the respective planting claws 13. It is configured to be planted.

  That is, the seedling planting unit 3 is provided and conveyed in the middle of the transport path 11 and the seedling tray transport mechanism 10 that transports the seedling trays that are sequentially supplied from the upstream side to the downstream side of the transport path 11. The planting claw 13 for taking out the pot seedling from the seedling tray and planting it in the field, and the seedling tray accommodation for taking out the pot seedling with the planting claw 13 and sequentially feeding empty seedling trays sent out from the terminal end of the conveyance path 11 A part 15 is provided for each of the two planting strips.

  In the figure, reference numeral 14 denotes a fertilizer, which is disposed between the driver's seat 5 and the rear seedling planting unit 3.

  Next, the seedling tray accommodating portion 15 will be specifically described based on various examples. That is, in the embodiment shown in FIG. 2, first, as the seedling tray accommodating portion 15, first, the first accommodating portion 16 that accommodates the seedling tray 8, and the seedling tray below the first accommodating portion 16 through the step H. It consists of the 2nd accommodating part 17 which made the bottom part side inclined upwards, and the 2nd accommodating part is set as the structure arrange | positioned in the body advancing direction front side from the 1st accommodating part. That is, in the 2nd accommodating part 17, it has the level | step difference H below the 1st accommodating part 16, the bottom part has the inclination part 18 of the front rising, and is set as the structure arrange | positioned ahead with respect to the body advancing direction. .

  In the first storage unit 16, empty seedling trays sent out from the terminal end of the transport path 11 are dropped and stored so as to be stacked one after another, and, for example, six empty seedling trays 8 are provided. When loaded, the guide means provided at the step H portion of the first accommodation portion 16 to the second accommodation portion 17, that is, the guide roller 19 is provided with a manual switch 20 provided at an appropriate position above the seedling tray transport mechanism 10. By pushing, the forcible rotation is performed by the electric motor, and several seedling trays (six in the embodiment) seedling trays are fed forward from the first accommodating portion 16 to the second accommodating portion 17 all at once. In the second accommodating portion 17, the rear end side of the seedling tray falls downward due to the step H, and the front end side tilts forwardly upward so that the seedling tray can be easily taken out from the driver's seat 5 side. It has become.

  In the take-up posture when the empty tray is lifted forward, the front end protrudes forward from the second accommodating portion, that is, since there is no bottom portion, the tray can be taken out more easily.

  The guide roller 19 has a width that is substantially the same as the width of the tray, or has a roller with an appropriate width arranged on the left and right, and is provided with an uneven projection having a feeding function on the peripheral surface. .

  In the embodiment shown in FIG. 3, a detection switch (weight switch) is used as a detection device that detects that a predetermined amount of seedling trays are stored in the first storage unit 16, that is, that the weight of six sheets is applied. ) 21 is provided, and when the detection switch 21 detects that a predetermined amount of the seedling tray has been stored, the electric motor to the guide roller 19 is turned ON, and the guide roller 19 automatically rotates. It is configured to be fed and guided from the first accommodating portion 16 to the second accommodating portion 17.

  When the seedling tray of the first storage section 16 is guided to the second storage section 17, notification means for notifying this, for example, a notification lamp 22 provided on the upper side surface of the tray transport mechanism 10 that the operator can see well blinks. Then, the operator or other workers are informed that the seedling tray has been guided to the second storage unit, and the empty seedling tray is quickly removed to prevent clogging due to forgetting to remove it.

  Note that the weight switch 21 may be turned on to reduce the vehicle speed when the first accommodating portion 16 is loaded with the weight of six trays. According to this, by decelerating when the first storage portion reaches the tray storage full tank, it is possible to prevent forgetting to take out the tray and to safely remove it.

  Furthermore, when the weight of 6 trays is applied, depending on the detection result, the tray full tank lamp on the monitor panel lights up, the empty tray full tank lamp provided in the upper part of the tray transport mechanism lights up, or the buzzer sounds. Various configurations can be taken such as notifying the operator and flashing the center mascot lamp at the center of the front of the aircraft.

  A rotation sensor may be provided on the guide roller 19 so that when the tray guide switch is pressed without rotating the guide roller, it is determined that the tray is clogged and a buzzer is sounded.

  As shown in FIG. 4, a lateral displacement prevention stopper 25 is provided on the seedling tray conveyance rail 24 and is held by the frame pipe 26. Conventionally, since there is no lateral slip prevention stopper, there is a problem that the empty tray does not pass through the middle of the unit due to an external load such as mud and the seedling tray is caught at the entrance of the empty tray collection device 15. Therefore, the above-mentioned problem can be solved by providing a stopper for preventing lateral displacement on the transport rail.

  As shown in FIG. 5, two L-shaped round bars 27, 27 are arranged on the bottom so that the empty tray guided from the first container to the second container can be easily taken out. Was unstable because there was one in the center, but the tray take-out posture became stable.

  In addition, in the example of FIG. 6, the auxiliary | assistant accommodating part 28 is provided from the lower side of the 1st accommodating part 16 to back, and it is set as 2 steps | paragraphs. In the auxiliary accommodating portion 28, four seedling trays can be accommodated and can be accommodated by being pushed in by hand.

1 Traveling body 3 Seedling planting device (seedling planting part)
DESCRIPTION OF SYMBOLS 5 Driver's seat 8 Seedling tray 15 Seedling tray accommodating part 16 1st accommodating part 17 2nd accommodating part 18 Inclined part 19 Guide means (guide roller)
21 Detection device (Detection switch)
22 Notification means (notification lamp)

Claims (4)

  In a working vehicle equipped with a planting device (3) for taking out pot seedlings from a seedling tray in which pot seedlings are arranged and planting them on a farm body in a traveling vehicle body (1), and a seedling tray accommodating part (15) for accommodating the seedling trays The seedling tray accommodating portion (15) includes a first accommodating portion (16) for accommodating the seedling tray (8) and a second accommodating portion (17) in which the seedling tray is inclined with respect to the first accommodating portion. And a guide means (19) for guiding the seedling tray from the first storage section (16) to the second storage section (17).   The first storage unit (16) is provided with a detection device (21) for detecting that a predetermined amount of seedling tray has been stored, and when detecting that a predetermined amount of seedling tray has been stored, the guiding means (19) The work vehicle according to claim 1, wherein a seedling tray is guided from the first housing part (16) to the second housing part (17).   The second accommodating portion (17) is provided to be positioned on the front side of the machine body relative to the first accommodating portion (16), and when the seedling tray is accommodated in the first accommodating portion (17), the guiding means is provided. The work vehicle according to claim 1, wherein the work vehicle is guided toward the front side of the machine body by (19). The informing means (22) for notifying that the seedling tray of the first accommodating part (16) is guided to the second accommodating part (17) is provided. Item 4. The work vehicle according to Item 3.

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