JP2009106202A5 - - Google Patents

Description

Seedling transplanter

  The present invention relates to a seedling transplanting machine including a granular material discharging apparatus that discharges granular materials such as drugs to seedlings on a seedling stage.

Conventionally, a seedling platform that supplies a plurality of seedlings on the left and right corresponding to the seedling mounting section corresponding to the seedling mounting section by placing the seedlings on the seedling mounting sections provided on the left and right and moving left and right, A seedling planting part having a plurality of seedling planting devices provided on the left and right sides for taking and planting the seedlings at the outlet is provided in the vehicle body, and a powder storage part for storing a drug that becomes a powder and a powder in the powder storage part A riding type rice transplanter is known as a seedling transplanting machine in which a granular material discharging device including a feeding unit that feeds granular material by a predetermined amount and a motor that drives the feeding unit is supported by a seedling mount by a support frame. It has been. In this riding type rice transplanter, the granular material discharge device moves the granular material storage part and the feeding part to the left and right along the support member, so that the granular material is spread over the entire lateral width of the seedling mounting surface of the seedling mounting base. It is the structure which discharges. In addition, this riding type rice transplanter moves the left and right ends of the granular material discharge device to the inside and the rear in the left and right direction of the machine relative to the other parts, and the seedling placement part at the left and right ends. The lateral width of the machine body is reduced by moving it to the rear side with respect to the seedling placement part (see Patent Document 1).
JP 2005-95053 A

  In the above prior art, since the powder storage part and the feeding part move to the left and right along the support member, this right / left movement mechanism is required, and the structure becomes complicated. Moreover, even if the driving of some seedling planting devices is stopped by the partial clutch, the granular material discharge device will discharge the granular material to all the seedling mounting portions of the seedling mounting stage. Is wasted. Temporarily, in order not to waste the granular material, it is conceivable that the feeding part is turned on and off according to the left and right positions in conjunction with the operation of the partial clutch, but the control mechanism becomes complicated. End up.

Then, this invention makes it a subject to enable it to store a seedling mounting stand and a granular material discharge apparatus compactly, setting it as the structure which discharges a granular material to the whole surface of the seedling on a seedling mounting stand. .

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 is provided with a plurality of seedlings placed on the left and right corresponding to the seedling placing part (11e) by placing the seedlings on the seedling placing parts (11e) provided on the left and right sides and moving left and right. A seedling planting section (6) provided with a seedling mounting base (11) to be supplied to the seedling outlet (11b) and a plurality of seedling planting devices (13) provided on the left and right sides for taking and planting seedlings from the seedling outlet (11b) ) Is provided on the vehicle body (1), and the granular material storage part (15) for storing the granular material and the granular material in the granular material storage part (15) are arranged on the seedling mounting surface of the seedling mounting base (11). A granular material discharge device (18) having a feeding part (17) that feeds by a predetermined amount over the entire width in the left-right direction and a motor (19) that drives the feeding part (17) is placed on a seedling stage (38) by a support frame (38). 11) is supported to stop driving of some seedling planting devices (13) among the plurality of seedling planting devices (13). Minute clutch (51) is provided, granular material discharge device (18) outermost portions (18-1) the granular material discharge device pivot axis (57) is rotated around granular material discharge device (18 ) To the rear side of the center side portion (18-3), and rotate the outermost seedling mounting portion (11e-1) around the seedling mounting rotation shaft (56) to move the center seedling mounting portion ( 11e-2) A seedling transplanter configured to be moved upward .

Moreover, the invention which concerns on Claim 2 arrange | positions a granular material discharge apparatus rotation axis | shaft (57) behind the part (18-2) of the 2nd strip | line from the outside of a granular material discharge apparatus (18), and carries seedlings. The seedling transplanting machine according to claim 1, wherein the platform rotation shaft (56) is disposed between the outermost seedling placing part (11e-1) and the center seedling placing part (11e-2).

Further, the invention according to claim 3 is configured such that the granular material discharge device rotating shaft (57) is directed in the vertical direction, and the seedling table rotating shaft (56) is configured along the seedling mounting table (11). The seedling transplanter according to claim 1 or claim 2.

Moreover, the invention which concerns on Claim 4 is the outermost part (18-1) of the granular material discharge apparatus (18) moved to the back of the center side part (18-3) of the granular material discharge apparatus (18). Is configured to be positioned on the inner side in the left-right direction of the outermost seedling placement part (11e-1) moved upward of the center seedling placement part (11e-2). The seedling transplanter described in item 1 is used.

Further, the invention according to claim 5 is provided with a plurality of feeding portions (17) on the left and right sides, each motor (19) for driving the feeding portion (17) is provided, and in conjunction with the operation of the partial clutch (51). Control device for stopping the motor (19) of a part of the feeding part (17) discharged to the seedling placement part (11e) corresponding to the part of the seedling planting device (13) stopped by the partial clutch (51) 55) The seedling transplanting machine according to any one of claims 1 to 4 provided with 55).

  Therefore, this seedling transplanting machine discharges the granular material to the entire surface of the seedling on the seedling mounting base (11) by driving the motor (19) of the granular material discharging apparatus (18), and the seedling transplanting apparatus ( 13) The seedlings for one strain and the powder particles discharged to the seedlings are taken from the seedling outlet (11b) according to 13), supplied to the field, and the seedlings are planted and sprayed on the field. Moreover, when adjusting the number of planting strips according to the size of the field in the planting operation in the field, the drive of some seedling planting devices (13) is stopped by the partial clutch (51). Due to (55), the motor (19) of the feeding section (17) that feeds the seedling placement section (11e) corresponding to the stopped planting strip is stopped.

Thus, the loading or the like to the storage time or track to the warehouse, seedling mounting table (11) and the granular material discharge device (18) can be stored compactly, it is possible to reduce the lateral width of the machine body it can. Further, since the powder particles are discharged to the entire surface of the seedlings on the seedling table (11) by driving the motors (19), the left and right movements of the powder material storage part and the feeding part as in the prior art are performed. A moving mechanism becomes unnecessary, and the structure of a granular material discharge apparatus (18) becomes simple. Moreover, the structure which the motor (19) of the feeding part (17) extended | stretched on the seedling mounting part (11e) corresponding to the planting strip stopped in response to the action | operation of the partial clutch (51) by the control apparatus (55) stops. Therefore, it is possible to prevent the powder particles from being discharged unnecessarily, the cost can be reduced, and the motor (19) is merely stopped in conjunction with the partial clutch (51). Easy to do.

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 and FIG. 2 show a six-plant riding type rice transplanter as an example of a seedling transplanter, and a pair of left and right front wheels 2, 2 and rear wheels 3, 3 is erected. A steering device having an operation box 4 and a steering handle 5 is installed at the front upper part of the vehicle body, and a seedling planting part 6 that can be moved up and down is provided at the rear part of the vehicle body. A driver's seat 9 is installed on the rear side of the control device, and an engine E that transmits power to each part of the rice transplanter is mounted below the driver's seat.

  The seedling planting part 6 is mounted on the rear part of the vehicle body through a lifting link mechanism 7 so as to be able to be lifted and lowered by a telescopic operation of the lifting hydraulic cylinder 8. The lifting hydraulic valve V that controls the lifting hydraulic cylinder 8 is provided below the step floor on the right side of the machine body.

  Further, the seedling planting section 6 has a mat seedling placed on each of the seedling mounting sections 11e provided on the left and right sides, and reciprocates left and right, so that the seedlings are taken out one by one. Seedling tank 11 serving as a seedling platform for transferring seedlings downward by seedling feeding belt 11c when seedlings 11a are fed to the seedling outlet 11b, and seedlings whose tips are operated in a closed loop locus P 6 seedling planting devices 13 for cutting out one stock of seedlings with the tool 12 and planting them in the soil, floats (side floats) 14L and 14R for leveling while sliding on the seedling planting surface, center float 14C And so on.

  A transmission case 20 is disposed on the front side of the traveling vehicle body 1, and a front wheel axle case extends laterally from the left and right side surfaces of the transmission case 20. , 2 are rotatably supported. Further, the rear end of the transmission case 20 is fixed to the rear end of the rear frame extending from the rear end of the main frame 22 to the left and right sides. 23, the rear wheels 3 and 3 are rotatably supported.

  Rotational power from the engine E as a prime mover is transmitted as an input transmission mechanism to the transmission case 20 from the engine output pulley 24 to the input shaft of a hydraulic continuously variable transmission (HST) 26 via a belt 25. The hydraulic pump is driven from the shaft, and is further transmitted from the output shaft of the HST 26 to the mission input shaft in the mission case 20. The rotational power transmitted to the mission in the case 20 is shifted by the transmission in the case 20, and then branched into traveling power and external power to be taken out. The traveling power drives the rear wheels 3 and 3 from the front wheels 2 and 2 and the rear wheel transmission shaft 27 through the gear mechanism of the rear wheel transmission case 23. Further, the external take-out power is transmitted to the planting transmission shaft 31 via the PTO output shaft, the planting motor 30 that can be controlled by the microcomputer provided in the planting clutch case 28 as an output transmission mechanism from the mission case 20, Further, power is transmitted to the seedling planting section 6 by the planting transmission shaft 31.

  The HST 26 is configured to be driven by a forward / backward operation of a shift lever 33 provided on the side of the operation box 4 and to control forward and backward movement of the fuselage. The HST 26 is operated with the shift lever 33 facing forward. The forward travel speed becomes faster the more you do it. Further, a stock change means for changing the operating cycle of the seedling planting tool 12 with respect to the traveling speed is provided, and the stock change is performed by operating the stock change lever 35 provided below the operation box 4.

  The power transmitted to the seedling planting unit 6 by the planting transmission shaft 31 is transmitted into the planting transmission case 50 provided in the seedling planting unit 6, and the seedling planting device for each strip is transmitted from the planting transmission case 50. 13 and the seedling feeding belt 11c. A branch transmission unit 50a is provided for branching power in the planting transmission case 50 and transmitting the power to the seedling planting device 13 for every two strips, and a partial clutch 51 for turning on and off the transmission of the branch transmission unit 50a is provided. The seedling planting device 13 can be stopped every two lines by the partial clutch 51. An interlocking mechanism that stops the seedling feeding belt 11c of the planting line corresponding to the operation of the partial clutch 51 is also provided. Each partial clutch lever 52 for operating the partial clutch 51 is provided on the side of the driver's seat 9, and a partial clutch sensor 52 a for detecting the operation position of the partial clutch lever 52 is provided.

  At a position facing the mat seedling placement surface of the seedling tank 11, a powder storage part 15 for storing powders such as medicines, a feeding part 17 for feeding the powders by a predetermined amount, and the powder storages The granular material discharge apparatus 18 which consists of the cover part 16 provided in the part 15 so that opening and closing is possible is arrange | positioned. In addition, the feeding part 17 is provided for every two strips corresponding to the two seedling placement parts 11e of the seedling tank 11, and the granular material is fed by the left and right long feeding rollers 17a over the two seedling placement parts 11e. It has a configuration to pay out. The feeding roller 17a is transmitted to a driven gear 53 that meshes with the output gear 19a of the motor 19 by driving the two motors 19 corresponding to the roller 17a, and is driven to rotate integrally with the driven gear 53. It has become. The motor 19 is disposed on the rear side of the feeding portion 17, and a feeding rotation sensor 54 for each two strips for detecting the rotation amount of the feeding roller 17 a by detecting the teeth of the driven gear is provided on the front side of the feeding portion 17. The motor 19 is driven and controlled by a control box 55 serving as a control device so that the feeding roller 17a rotates by a set amount based on the detection of the feeding rotation sensor 54. The motor 19 is driven by the control box 55 in conjunction with the operation of the seedling feeding belt 11c based on the detection of the seedling feeding sensor that detects the operation of the seedling feeding belt 11c. When the control box 55 detects that the partial clutch sensor 52a is in the disengaged state, the motor 19 is not driven regardless of the detection of the seedling feed sensor. Since the motor 19 and the feeding rotation sensor 54 are arranged before and after the feeding portion 17, they are not in the way of each other during maintenance such as repair, attachment or removal, and the maintenance can be performed easily.

  The granular material discharge device 18 is mounted and supported on a support arm 37 that can be rotated with a support shaft 36 as a fulcrum, and can be switched between a standing posture during a spraying operation and a lying posture during a non-spraying operation. When the granular material discharge device is switched to the lying posture, the supply port of the granular material storage unit 15 faces downward so that the granular material flows down, and the hinge is connected to the granular material storage unit 15. When the lid 16 that can be swingably opened and closed is opened via 16a, the lid is configured to be in an upward posture so that the powder particles that flow down can be received. Further, the volume of the lid portion 16 is set to be substantially the same as the volume of the storage portion 15 or larger than the storage portion.

  When the granular material discharge device 18 is switched to the lying posture, the rear portion of the discharge device is configured to be positioned substantially at the same position as the rear portion of the float 14 or in front of it, so that the granular material discharge device itself is damaged. Try to prevent.

  Further, the support frame 38 that supports the granular material discharge device 18 is provided along the partition ridge portion 11d partitioned for each mat seedling of the seedling tank 11, so that it is separated from the partition ridge portion on the inner side. It is possible to prevent the entanglement of seedlings, seedling slipping, and seedling cutting as in the case of being provided at the position.

  The feed outlet portion 17b of the feed portion 17 is configured such that the lower portion on the opposite side to the brush 17c mounting side is configured to be longer downward by a distance L than the brush mounting side to prevent the powder particles from scattering. . The granular material discharge cylinder 39 connected to the outlet portion of the supply portion 17 is configured to be housed in the holding frame 40 of the discharge device 18, whereby a compact configuration can be achieved.

  FIG. 6 shows the seedling tank 11 and the granular material discharge device 18 in an 8-row riding type rice transplanter. Except for the configuration described later, the description is omitted because it conforms to the configuration described above. The seedling tank 11 and the granular material discharge device 18 move the left and right ends of the airframe in the left-right direction of the airframe in order to reduce the left-right width of the airframe when stored in a warehouse or when loaded on a truck. It has a configuration that can. More specifically, the left and right outermost seedling mounting portion 11e-1 is rotated to the left and right inside the body around the seedling tank rotation shaft 56 along the seedling tank 11, and the seedling on the left and right center side that becomes the second line from the outside It is the structure located above the mounting part 11e-2. The outermost portion 18-1 of the granular material discharge device 18 corresponding to the left and right outermost seedling mounting portion 11e-1 is the left and right inner sides of the body around the rotating shaft 57 of the granular material discharge device facing vertically. It is configured to be positioned behind the left and right center side portion 18-3 of the third granular powder ejection device 18 from the outside. At this time, the second portion 18-2 from the outside of the granular material discharge device 18 is located above the left and right center side seedling placement portion 11e-2 below the right and left outermost seedling placement portion 11e-1. The outermost part 18-1 of the granular material discharge device 18 is located on the inner side in the left-right direction of the left and right outermost seedling mounting part 11e-1. That is, the seedling tank rotation shaft 56 is located between the right and left outermost seedling mounting part 11e-1 and the right and left centering seedling mounting part 11e-2 from the outside, and the powder body discharging device rotates. The shaft 57 is located behind the second portion 18-2 from the outside of the powder discharge device 18 (the left and right centers of the outermost portion 18-1 of the powder discharge device 18 and the third row of powder discharge device 18 from the outside. It is located between the left and right with the side portion 18-3. In addition, the granular material storage part 15 and the delivery part 17 for 1 right and left outermost part are divided | segmented and comprised from the right-and-left inner part. Thereby, the seedling tank 11 and the granular material discharge apparatus 18 can be stored compactly.

Side view of riding rice transplanter Top view of riding rice transplanter Side view of the main part of rice transplanter equipped with powder and particle discharging device Rear view of the main parts of the powder ejection device Cross-sectional side view of the main parts of the powder and particle ejection device The top view which shows the principal part of the seedling tank and granular material discharge apparatus in the riding type rice transplanter of 8-row planting

1: vehicle body, 6: seedling planting unit, 11: seedling placing stand, 11b: seedling outlet, 11e: Naeno portion, 11e-1: seedling mounting portion of the outermost, 11e-2: center of the seedling mounting portion , 13: Seedling planting device, 15: granular material storage unit, 17: feeding unit, 18: granular material discharging device, 18-1: outermost part of granular material discharging device, 18-2: granular material Second part from outside of discharge device, 18-3: Center side portion of powder particle discharge device, 19: Motor, 38: Support frame, 51: Partial clutch, 55: Control box , 56: Seedling stage rotation Axis, 57: Pulverizer discharge device rotation axis

Claims (5)

The seedlings are placed on a plurality of seedling placement sections (11e) provided on the left and right sides, and moved to the left and right, and the seedlings are supplied to the seedling outlets (11b) provided on the left and right corresponding to the seedling placement sections (11e) one by one. A seedling planting section (6) provided with a seedling planting device (13) and a plurality of seedling planting devices (13) provided on the left and right sides for taking and planting the seedlings at the seedling outlet (11b) is provided on the vehicle body (1), granular material reservoir for reserving the granules (15) and the powder and granular material reservoir (15) a predetermined amount at a time feeds and feed unit for the horizontal direction the full width of the seedling mounting surface of the seedling mounting base (11) of granular material in the (17) and a powder body discharge device (18) provided with a motor (19) for driving the feeding portion (17) are provided on a seedling stage (11) by a support frame (38), seedling planting apparatus part portions clutch to stop driving of the seedling planting apparatus (13) (51) of (13) is provided, granular The outermost part (18-1) of the discharge device (18) is rotated around the powder particle discharge device rotation shaft (57), and the central portion (18-3) of the particle discharge device (18) is rotated. It moves to back, and it is set as the structure which rotates the outermost seedling mounting part (11e-1) to the upper part of the center seedling mounting part (11e-2) by rotating around the seedling mounting base rotation axis | shaft (56). Seedling transplanter. The powder body discharge device rotation shaft (57) is arranged behind the second line portion (18-2) from the outside of the powder body discharge device (18), and the seedling stage rotation shaft (56) is the outermost side. The seedling transplanting machine according to claim 1, which is arranged between the seedling mounting part (11e-1) and the center seedling mounting part (11e-2). The powder body discharge device rotating shaft (57) is configured to face in the vertical direction, and the seedling table rotating shaft (56) is configured to follow the seedling mounting table (11). Seedling transplanter. The outermost part (18-1) of the granular material discharge device (18) moved to the rear of the central side portion (18-3) of the granular material discharge device (18) is a seedling placement portion (11e) on the central side. The seedling transplanting machine according to any one of claims 1 to 3, wherein the seedling transplanting machine is configured to be located on the inner side in the left-right direction of the outermost seedling placement part (11e-1) moved upward in -2). A plurality of feeding parts (17) are provided on the left and right sides, each motor (19) for driving the feeding part (17) is provided, and the parts are stopped by the partial clutch (51) in conjunction with the operation of the partial clutch (51). A control device (55) for stopping a motor (19) of a part of the feeding section (17) discharged to the seedling placement section (11e) corresponding to the seedling planting apparatus (13) of the section is provided. Item 5. The seedling transplanter according to any one of items 4 to 5.