JP3562520B2 - Seedling transplanter with fertilizer application - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is used for a seedling transplanter provided with a fertilizer application device.
[0002]
[Prior art]
Conventionally, in a seedling transplanter in which a plurality of feeding sections for feeding fertilizer in the hopper is arranged below and horizontally on the front side of a seedling planting device at a rear part of a traveling vehicle body below a hopper for storing fertilizer, There is a seedling transplanter with a fertilizing device in which a shutter operating tool for providing a shutter above the section and partially stopping fertilizer to the feeding section and stopping the feeding of fertilizer is arranged in front of the body of the feeding section.
[0003]
[Patent Document 1]
JP-A-57-198014
[Problems to be solved by the invention]
Since the conventional operation tool is arranged at a position separated from the front of the body of the feeding portion, there is a problem that its operability is poor. In addition, since the shutter is closed and the feeding of fertilizer is partially stopped, the fertilizer may be crushed when closing the shutter, and it may not be possible to perform appropriate fertilization work at the beginning of restarting fertilization. there were.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 includes a hopper 20 for storing fertilizer and a plurality of feeding portions 21 arranged side by side on the lower side of the hopper 20 at a rear portion of the traveling vehicle body 1. And a seedling transplanter equipped with a fertilizing device for supplying the fertilizer fed out of the feeding section 21 to the groove producing device 23 through the respective hoses 22 by air discharged from the air chamber 26 and fertilizing it. In the above, any one of the first operating tool 35 and the two operating portions 21 for driving stop operation of two adjacent extending portions 21 and the corresponding two rows of seedling planting rods 11 among the plurality of extending portions 21. Each of the row operating tools 52 for driving and stopping one of them is provided, and the first operating tool 35 can stop driving of the feed section 21 and the seedling rod 11 for two rows by the first operating tool 35 regardless of the operation of each of the row operating tools 52. the first operating member 35 the horizontal axis 3 It is configured to be operated in a straight line up and down and in between the left and right feeding portion 21 adjacent in the machine body front view at the front side of the hopper -20 to pivot around the pivot each strip operating member 52 to the vertical axis about A seedling transplanter with a fertilizer was characterized in that it was operated .
[0006]
According to a second aspect of the present invention, there is provided the seedling transplanter with a fertilizer device according to the first aspect, wherein the first operating tool 35 is disposed above the air chamber 26 in a side view of the machine body.
[0007]
【The invention's effect】
According to the first aspect of the present invention, the fertilizer in the hopper 20 decreases as the fertilization operation progresses. However, the hopper 20 and the feeding unit 21 are arranged side by side on the front side of the seedling plant 3 at the rear of the traveling vehicle body 1. Therefore, compared with the configuration in which the hopper and the feeding section are arranged on the rear side of the seedling planting device, the work can be satisfactorily performed with less variation in the front-rear balance of the body weight. Then, at the end of the work, when the work travels while leaving a work area for one stroke on the ridge, it becomes possible only by appropriately operating the first operating tool 35 and each of the strip operating tools 52. Further, the first operation tool 35 can also stop driving the two rows of seedling rods 11 corresponding to the feeding section 21, and this switching operation is facilitated. Furthermore, regardless of the operation of each of the row operating tools 52, the first operating tool 35 can stop driving of the feeding section 21 and the seedling planting rod 11 for two rows, and the driving stop operation of the feeding section 21 becomes easy. In addition, since the first operating tool 35 is configured to rotate about the horizontal axis 36 and to operate vertically in a straight line between the left and right sides of the adjacent extending portion 21 in the front view of the machine body , regardless of the operating state. The maintenance of the feeding section 21 can be easily performed without the first operating tool 35 being in the way. In addition, since the first operating tool 35 is configured to rotate about the horizontal axis 36 to operate linearly up and down on the front side of the hopper 20 and in front of the machine body , two first operating tools 35 are used. It is easy to notice that the feeding portion 21 and the seedling rod 11 are partially stopped, and forgetting to return the first operating tool 35 to a state in which the feeding portion 21 and the seedling rod 11 are driven can be prevented. Further, the first operating tool 35 is rotated around the horizontal axis 36 to operate vertically vertically between the left and right sides of the feeding section 21 adjacent to the front side of the hopper 20 and in the front view of the aircraft. Since the strip operating tool 52 is configured to rotate around the vertical axis, the first operating tool 35 and each strip operating tool 52 have an operation mode in which the rotating direction is different. It is possible to prevent confusion and erroneous operation.
[0008]
According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, since the first operating tool 35 is disposed above the air chamber 26 when the body is viewed from the side, the layout is simplified. This operation is easy.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described. As shown in FIG. 1, a seedling transplanter 3 is mounted on a link 2 behind a traveling vehicle body 1 to constitute a seedling transplanter. The traveling vehicle body 1 includes a pair of left and right front wheels 5 and a rear wheel 6 that are rotated by the power of a central engine 4, and a seat 8 that rotates about a front horizontal axis 7 is provided on the engine 4. ing.
[0010]
The seedling plant 3 is provided with a central gear box 9, a seedling stand 10 provided on the center thereof, which is inclined forward and moving left and right, and a lower end portion of the seedling stand 10 having a vertically long tip when viewed from the side. It is composed of a seedling rod 11 that turns in an oblong orbit, and a float 12 that slides on a mud surface to level the front of the seedling rod 11. The gear box 9 is mounted on a mounting frame 13 at the rear of the link 2, and the link 2 is moved up and down while maintaining the same posture by rotating with a piston rod 15 protruding and retracting from a cylinder 14. A plurality of planting cases 16 are arranged side by side from the rear end of the gear box 9 to extend further below the seedling table 10, and a pair of seedling rods 11 is provided on the left and right sides thereof. One set is formed by the seedling rods 11. The power of the engine 4 is guided into the gear box 9 by the transmission shafts 17 and 18, and reaches the planting rod 11 through the planting cases 16. A clutch 19 is provided at the left end of each planting case 16 so as to intermittently transmit power transmitted from the gear box 9 to each set of planting rods 11. The figure shows a rotary type in which two seedling rods 11 alternately transplant seedlings to form a single row of seedlings.
[0011]
A fertilizer 24 is constituted by a hopper 20 for feeding fertilizer, a feeding roller 21 as a feeding unit for feeding the fertilizer, a hose 22 for guiding the fertilizer, and a groove generator 23 for forming a groove on a mud surface. The same number of the seedling rods 11 are provided side by side. A column 25 is provided at a rear portion of the traveling vehicle body 1, and a horizontally long air chamber 26 is fixed thereon, and cases 27 accommodating the respective feed rollers 21 are fixed to the air chamber 26 side by side.
[0012]
As shown in FIGS. 3 and 4, the hopper 20 is formed in a V-shape when viewed from the front and the back, and two right and left side surfaces are joined. By this joining, an inverted V-shaped space 28 is formed at the lower center. A single lid 29 is provided on the two hoppers 20 so as to cover them. As shown in FIGS. 1, 2 and 4, a single horizontally long rotating shaft 30 is provided behind the case 27, and its arm 31 is connected to a crank 33 of the transmission shaft 17 by a rod 32, thereby rotating the shaft. It is supposed to do.
[0013]
Since the following are the same, the guide box 34 is provided in the space 28, and the lever 35 protruding forward from the guide box 34 is attached to the bracket 37 so as to rotate around the horizontal axis 36. As shown in FIG. 4, a cylinder 38 is rotatably mounted on the rotation shaft 30 below the space 28, and its arm 39 is connected to an arm 42 of the cylinder 41 by a rod 40, and the cylinder 41 is rotated by rotation of the cylinder 38. It is configured to rotate on a shaft 43 of the feeding roller 21. A movable body 44 having a claw on the left side is mounted on the right side of the cylinder 38 so as not to rotate around the rotation shaft 30, and is pushed to the left by a spring 45 so that the claw engages with the claw on the right side of the cylinder 38, and is turned. The rotating motion of the driving shaft 30 is transmitted to the cylinder 38. A shifter 46 is attached like a bell crank, the lower end of which is engaged with the movable body 44, and the upper end is connected to the lower end of a lever 35 by a rod 47. The lever 35 is turned counterclockwise from the position shown in FIG. When the rod 47 is pulled up, the rod 47 is pulled up, the movable body 44 compresses the spring and moves to the right, the pawl on the left side is separated from the pawl of the cylinder 38, and the rotation of the cylinder 38 can be stopped. I have. When the lever 35 is returned to the position indicated by the solid line from this position, the movable body 44 is pushed to the left by the spring 45, and the claw bites the claw of the cylinder 38, and the rotation of the rotating shaft 30 is transmitted to the cylinder 38. You.
[0014]
As shown in FIG. 2, the front end of the lever 35 is disposed forward of the front end of the air chamber 26, and the lever 35 is disposed so as to be operable from the front side of the fuselage. A one-way clutch 48 is attached to the shaft 43 on the right side of the cylinder 41, so that the reciprocating rotational movement of the cylinder 41 is changed to intermittent rotational movement and transmitted to the shaft 43. A pair of movable bodies 49 are attached to the shaft 43 inside the left and right feeding rollers 21 so as not to rotate with a key, and are pushed outward by a spring 50 so that the claws are engaged with the claws of the feeding roller 21, and the shaft 43 is intermittent. The rotation causes the feed roller 21 to rotate and feed the fertilizer in the hopper 20 into the lower hose 22. The feed roller 21 is provided with a groove 21a on the outer periphery and feeds out the fertilizer that has entered the groove 21a by its rotation. The groove 21a adjusts the lateral width by sliding the moving element 51 to feed out the fertilizer. Is to be changed.
[0015]
Each of the levers 52 is attached to the case 27, and the pin 53, which is eccentric at the tip thereof, is engaged with the groove of the movable body 49. When each of the levers 52 is turned, the pin 53 compresses the spring 50 to compress the movable body 49. Is moved, the pawl is separated from the pawl of the feeding roller 21, and the rotation of the roller 21 is stopped. Each groove generator 23 is attached to the float 12 so as to form a groove on the side of the corresponding seedling planting rod 11, and each groove generator 23 and the lower part of each feeding roller 21 are connected to each hose 22. Are connected by Air is blown into the air chamber 26 from the blower 54, and the air discharged from the blower 54 flows through the respective hoses 22 to guide the fertilizer.
[0016]
As shown in FIGS. 2 and 4, the upper end of each wire 55 is attached to the middle of the lever 35, and the lower end is connected to the respective clutch 19, and the lever 35 at the position indicated by the solid line in FIG. When rotated clockwise to the state of the chain line, the clutch 19 cuts off the power transmission to the seedling planting rod 11, and when the lever 35 is operated in reverse, the power transmission is resumed. Therefore, by operating one lever 35, the power transmission to the pair of seedling rods 11 corresponding thereto and the power transmission to the pair of feed rollers 21 are performed. The shutter can be opened and closed in place of intermittent power transmission to the feeding roller 21. In this case, the shutter is provided on the feeding roller 21. Further, when the respective feed rollers 21 are configured to rotate from the transmission path on the side of the seedling rod 11 with respect to the clutch 19, the lever 35 need only be connected to the clutch 19.
[0017]
As shown in FIGS. 1 and 5, a horizontal rail 56 is provided between the seat 8 and the hopper 20 at a position slightly higher than the hopper 20, and a supply box 57 containing fertilizer is moved along the rail 56. The fertilizer can be supplied into the hopper 20 while the fertilizer is being supplied. As shown in FIG. 1, an extension base 58 made of a rod or a plate is attached to the upper end of the seedling mounting table 10 so as to extend the same, and the tip thereof is provided so as to be raised by a spring 59. When supplying mat seedlings, it is reasonable to support them from below.
[0018]
As shown in FIGS. 6 and 7, when the frame 61 in the front-rear direction and the column 25 in the vertical direction of the traveling vehicle body 1 are integrally formed by bending one rod into an L-shape when viewed from the side, light seedlings are planted. Machine. As described above, in this seedling transplanter, the fertilizer in the hopper 20 is fed by the plurality of fertilizers 24, and the fed fertilizer is fed to the respective hoses 22 by the air discharged from the left and right horizontally long air chambers 26. The fertilizer is supplied to the cultivator 23 through the fertilizer, and fertilized in the field. As the fertilizer application progresses, the fertilizer in the hopper 20 decreases. However, since the hopper 20 and the fertilizer applicator 24 are arranged side by side at the rear of the traveling vehicle body 1 and in front of the seedling plant 3, the hopper and the fertilizer applicator are connected. The fluctuation of the front-rear balance of the body weight is smaller than that of the configuration arranged on the rear side of the planting device.
[0019]
Then, at the end of the work, when the work travels while leaving a work area for one stroke on the ridge, it becomes possible only by appropriately operating the operating tool 35 for partially stopping the operation of the fertilizer application device 24. The operating tool 35 is disposed beside the hopper 20 between the left and right sides of the feeding section 21 when viewed from the front of the machine body, and is disposed beside the feeding section 21 that stops driving when viewed from the front of the machine body. Is disposed on the front side of the front end of the air chamber 26, the operating tool 35 can be operated from the traveling vehicle body 1 while accurately recognizing the feeding portion 21 to be driven and stopped, and erroneous operation is less likely to occur. Further, when operating the operating tool 35, the air chamber 26 is hardly obstructed, and can be easily operated from the front side of the fuselage. In addition, the operation tool 35 is unlikely to be in the way when supplying the seedlings to the seedling plant 3. Furthermore, it is easy to make the body structure short in front-rear length.
[Brief description of the drawings]
FIG. 1 is a side view of a seedling transplanter according to the present invention.
FIG. 2 is an enlarged cut-away side view of a part thereof.
FIG. 3 is an enlarged front view of a part thereof.
FIG. 4 is an enlarged cut front view of a part thereof.
FIG. 5 is a partial perspective view thereof.
FIG. 6 is a side view of a seedling transplanter showing another embodiment.
FIG. 7 is a perspective view showing a frame of the traveling vehicle body.
[Explanation of symbols]
1: Running body 3: Seedling plant 11: Seedling rod 20: Hopper 21: Feeding part (feeding roller)
22: Hose 23: Groove device 24: Fertilizer 26: Air chamber 35: First operating tool (lever)
52: Each strip operation tool (each strip lever)

Claims (2)

A hopper 20 for accommodating fertilizer and a plurality of feeding portions 21 arranged side by side below the hopper 20 are arranged in front of the seedling plant 3 at a rear portion of the traveling vehicle body 1, and the fertilizer fed by the feeding portion 21 is removed. In the seedling transplanter equipped with a fertilizer, the air supplied from the air chamber 26 is supplied to the groove producing device 23 through the respective hoses 22 to apply fertilizer. A first operating tool 35 for operating to stop driving both the seedling 21 and the corresponding two rows of seedling rods 11, and a row operating tool 52 for operating to stop one of the two feeding portions 21; Regardless of the operation of each strip operating tool 52, the first operating tool 35 can stop driving of the feed section 21 and the seedling rod 11 for two rows, and the first operating tool 35 is rotated around the horizontal axis 36 to rotate. and airframe positive at the front side of the hopper -20 Fertilizing device with seedling transplanter, characterized in that a configuration of operating linearly up and down between the left and right adjacent feeding unit 21, and configured to rotate manipulating each row operating member 52 in the vertical axis around at view. The seedling transplanter with a fertilizer device according to claim 1, wherein the first operating tool ( 35) is disposed above the air chamber (26) in a side view of the body.

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