JPH11275916A - Sulky-type seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sulky-type seedling transplanter for transplanting seedlings such as vegetable on a field for upland farming, capable of carrying out transplantation in a plurality of rows, having simple construction and capable of transplanting each of the seedlings at a proper depth in each row. SOLUTION: This sulky type seedling transplanter has a transplanting part having a plurality of transplanters 2, attached to a rear part of a sulky type traveling car body through a link device so as to be freely lifted and lowered, transplanting devices 52 installed in the transplanters 2 and a wheel body rotatably moving on the field, installed so as to be freely rotatably moved upper and lower around a shaft in the right and left direction installed in the machine body, and constituted so that the transplanting devices 52 may be supported at prescribed height by grounding the wheel body on the surface of the field. Or the transplanting device 52 and the wheel body are also installed around a transmission shaft for transmitting power to the transplanting device 52 so as to be freely rotatably moved, or the transplanting device 52 and the wheel body are installed so as to be freely rotatably moved upper and lower around a shaft in the right and left direction arranged in the front part of the transplanting device 52 and the wheel body in the traveling direction of the machine body. A limiting means for limiting the rotatably moving range of the transplanting device 52 and the wheel body to the machine body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a riding seedling machine in which a planting section for planting a plurality of seedlings such as vegetables in a field having a field action is mounted on a riding traveling vehicle body.

[0002]

2. Description of the Related Art When a seedling transplanter having a field effect is constructed as a riding type by planting a plurality of rows, a configuration similar to that of a riding rice transplanter may be employed in order to prevent the planting depth of the seedlings from fluctuating. Conceivable.

[0003]

A riding rice transplanter is used for planting seedlings in a field where the field scene is leveled by plowing and scraping, and therefore, a planting section provided with a plurality of planting devices. If the height of the seedlings is appropriately controlled up and down with respect to the paddy surface, the planting depth of the seedlings to be planted in a plurality of rows can be properly controlled collectively in all the rows. However, when planting a plurality of rows in a field with field action, seedlings may be planted on the upper surface of a different ridge for each row. Even if the height of the planting portion is controlled up and down in a lump as in the above, it is difficult to make the planting depth of the seedling of each line appropriate. Therefore, the present invention
In a seedling transplanter for planting seedlings such as vegetables in the field of field action, in order to provide a riding seedling transplanter for multiple-row planting, it is possible to plant seedlings with the simplest possible configuration and the appropriate planting depth for each row. It is an object to do so.

[0004]

Means for Solving the Problems The present invention is configured as follows in order to solve the above problems. The invention according to claim 1 is characterized in that a planting section equipped with a plurality of transplanters is mounted on a rear part of a riding traveling vehicle body via a link device so as to be able to ascend and descend, and a planting device equipped with the transplanter and a field scene A rolling wheel is provided so as to be rotatable up and down around a left-right axis provided on the body, and the wheel is grounded on the field scene, and the planting device is supported at a set height relative to the field scene. This is a riding seedling transplanter characterized by having the configuration described above.

According to a second aspect of the present invention, the planting device and the ring are provided so as to be rotatable up and down around a transmission shaft for transmitting power to the planting device. It is a riding seedling transplanter described. The invention according to claim 3 is characterized in that the planting device and the ring are provided so as to be rotatable up and down around a left-right axis disposed forward of the planting device and the wheel in the body traveling direction. A riding seedling transplanter according to claim 1.

According to a fourth aspect of the present invention, there is provided the riding seedling transplanter according to the first aspect, further comprising a restricting means for restricting a rotation range of the planting device and the ring with respect to the body. It is.

[0007]

According to a first aspect of the present invention, there is provided the riding seedling transplanting machine according to the present invention, wherein each planting device and each wheel mounted on a plurality of transplanting machines provided in the planting section are provided even when the machine body moves up and down. Since each up-and-down rotation fulcrum simply moves up and down, each wheel is in contact with the field scene, and the state where each planting device is supported at the set height with respect to the field scene is maintained. Fluctuations in the vertical height of the device with respect to the field scene are unlikely to occur. In addition, even if each field scene in which each wheel mounted on a plurality of transplanters touches and rolls goes up and down to different heights, the wheel and planting device mounted on each transplanter are placed above and below each field scene. Since the planting apparatus moves up and down, the vertical height of each planting apparatus with respect to the field scene does not easily fluctuate. Therefore, even if the airframe moves up and down or the field scene moves up and down, seedlings are planted at the appropriate planting depth for each row.

[0010] In the riding seedling transplanter according to the second aspect of the present invention, each planting device and each ring are vertically rotated about a transmission shaft for transmitting power to the planting device. The transmission to the seedling-planting device is performed with a simple configuration while being configured to rotate up and down with respect to the machine body. In the seedling transplanter according to the third aspect of the present invention, each planting device and each ring are turned up and down around a left-right axis disposed forward of the planting device and the wheel in the machine body traveling direction. The wheel that touches the field scene is rolled by being towed from the front side of the fuselage, and the effect that the wheel rolling in the field scene tends to shift to the left and right with respect to the traveling direction of the machine is unlikely to occur. Become. Therefore, the up-and-down rotation around the horizontal axis of each ring and each seedling planting device is performed smoothly, and the variation of the vertical height of each planting device with respect to the field scene is further less likely to occur. In addition, the planting depth of the seedlings is less likely to fluctuate.

In the seedling transplanter according to the fourth aspect of the present invention, since the rotation range of each planting device and each body with respect to the body is regulated by the regulating means, the planting portion is raised for traveling on the road. When the planting device and the wheel are lifted above the ground without hanging down, the planting device and the wheel are less likely to collide with obstacles on the road when traveling on the road, and are less likely to be damaged. Become.

[0010]

According to the first to fourth aspects of the present invention, each planting device and each wheel are connected to the horizontal shaft provided on the body even when the body moves up and down or the field scene moves up and down. By turning around and up and down, each rolling wheel touches the field scene and continues rolling, and each planting device tries to continue to be supported at the set height with respect to the field scene, and thus has a simple configuration. Seedlings can be planted at the appropriate planting depth.

According to the second aspect of the present invention, the transmission to the seedling plant can be easily configured while each seedling plant is configured to rotate up and down with respect to the machine body. According to the third aspect of the present invention, the up-and-down rotation of each ring body and each seedling plant around the horizontal axis is performed smoothly, and from this point, the accuracy of the planting depth of the seedlings can be further improved. According to the fourth aspect of the present invention, when the body is lifted, each planting device and each wheel are floated above the ground without hanging down, and the planting device and the wheel are damaged when traveling on the road. Is reduced.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A riding vegetable seedling transplanter 1 according to one embodiment of the present invention will be described below. The riding vegetable seedling transplanting machine 1 is a three-row planting, and a planting section 3 having three sets of transplanting machines 2 is mounted on a 3P link device 6 provided at the rear of a tractor body (riding traveling body) 5. It becomes. The 3P link device 6 has a pair of left and right lower links 11, 11 to which a connection frame 10 on the planting portion side is attached at the rear end, and one top link 12 whose length can be adjusted. The distal ends of the driven arms 15, 15 to be driven and the rear portions of the lower links 11, 11 are connected by lift rods 16, 16. By driving the drive arms 15, 15 to swing the lower links 11, 11 up and down,
The whole goes up and down. Further, by adjusting the length of the top link 12, the mounting angle of the planting portion 3 can be changed.

A transmission case 20 transmitted from the PTO shaft 19 of the tractor body 5 is provided behind the connecting frame 10, and an upper frame pipe 21 (L,
R) and the lower frame pipes 23 and 24 provided horizontally horizontally at the rear lower part thereof by connecting plates 26 and 26 and side plates 27 and 2.
7, etc., are connected to each other to form a planting section machine frame.
The connecting frame 10 has a mountain shape when viewed from the rear, and the mounting flanges 2 provided on both sides of the transmission case 20 are provided.
A lower portion is attached to each of the transmission cases 9 and 29, and a jack 30 provided at a central portion is connected to an upper portion of the transmission case 20. A step 32 having a width corresponding to the frame is provided on the frame. An operator's seat 33 is installed rearward at the center of the step 32, and a planting clutch lever 34 is provided beside the operator's seat 33. The planting clutch lever 34 is connected to the lower pipe lever 2.
3 is attached to a lever box 35 fixedly attached thereto so as to be pivotable back and forth.

Below the upper frame pipes 21, 21, a pressure-retaining wheel support rod 37 is provided horizontally, and a large number of pressure-reducing wheels 38, made of rubber tires, which support the planting portion 3 and suppress the field, are held. . As shown in FIG. 6, the crushing wheels are mounted on the crushing wheel support rod 37 in pairs by means of a crushing wheel mounting plate 39, and the crushing wheels 38,... Are arranged at equal intervals in the left-right direction as a whole. . .. Are preferably provided to some extent densely, and in the illustrated example, the distance a between the crushing wheels is about の of the width b of the crushing wheels. In some cases, the interval a may be further reduced. Right and left of the tractor body right behind the rear wheels 40, 40 and in front of the pressure reduction wheels 38,.. , ... are mounted so that the vertical position can be adjusted. This softening tooth 4
1 is a vertically long plate material whose lower part is slightly curved forward,
The cross-sectional shape is a chevron shape with the left and right central parts pointed forward. The inflated tooth 41 is located slightly inside the outer end of the rear wheel 40, and is mounted so that its lower end is buried in the soil. It is designed to dig up. After the soil at the trail of the rear wheels 40, 40 is dug up and softened once by the inflating teeth 41,. State. In addition, since the planting section 3 is supported on the field scene by a large number of compression rings 38,..., It is possible to prevent the planting section from sinking into the soil and to have excellent strength. .

Further, a cylindrical body 44 is horizontally and horizontally fixed to the front end of the side plate 27, and the rod 4 is slidably fitted to the cylindrical body.
A drawing marker 43 having a sharp lower end portion 43a is attached to the front end portion 5 so as to be vertically adjustable. The rod 45 is provided with positioning grooves 47,.
The tip of the mounting screw 48 is engaged with a suitable groove and fixed. During the operation, the marker 43 on the unplanted side is used as shown in FIG.
Is fixed in a state where the lower end 43a is lowered to the extent that it is inserted into the soil. Along with the progress, the marker 43 draws a line indicating the planting line in the next step at a position separated by w between the outermost planting line.

The transplanters 2 (I to III) have the same structure, and each transplanter has a structure as shown in FIGS.
Seedling table 50 on which seedlings are to be placed, a groove forming device 51 for forming a groove for transplanting in a field, a planting device 52 for planting seedlings on the seedling table 50 in a field, and left and right for filling soil in the groove after transplanting -It is provided with a pair of earth covering rings 53, 53. The seedling mounting table 50 is provided so as to be inclined (horizontal angle is about 15 to 30 degrees) so that the front part is higher, and reciprocates left and right to sequentially start seedlings at the seedling outlet 50a provided at the rear part. I do. In front of the seedling table 50,
A seedling supply frame 50b made of a pipe as shown in FIG. 10 is attached so that the angle can be adjusted. 10 seedlings at the time of seedling replenishment
1, ... are taken out with a thin plate 103 for seedlings, and the seedling mounting table 5
At this time, if the seedling supply operation is performed while shifting the seedling collecting plate 103 along the seedling supply frame 50b, the operation is easy.

The groove generator 51 has a boat shape, and a fixing pin 5 is attached to the mounting portion 51a so that the bottom surface thereof is at a predetermined depth from the field scene.
1b,... Move in the soil as the fuselage advances, thereby forming a groove 100 having a predetermined width and a predetermined depth.
Are formed in the field scene. By changing the mounting position on the mounting rod 51a, the depth of the groove 100 can be adjusted.

The planting device 52 has a planting rod 54 which moves up and down in a predetermined locus, and is supplied to the seedling outlet 50a by a pair of transplanting claws 54a, 54a attached to the planting rod. The seedling 101 is grasped and planted in the groove 100. The covering ring 53 is shaped like a dish, and the covering ring support plate 53b is attached with a nut 55 to a screw rod 53a rotatably provided up and down at the rear end of a wheel supporting plate 57a to be described later. An earth covering ring 53 is rotatably supported at the tip of the plate 53b. Screw rod 53a
Is biased downward by the spring 56, so that the earth covering wheel 53 rolls while elastically pressing the field scene. Thus, the soil raised on both sides of the groove 100 is guided and pushed into the groove 100. By adjusting the mounting angle of the covering ring support plate 53b with respect to the screw rod 53a, the inclination angle of the covering ring 53 with respect to the field scene can be arbitrarily changed.

The transplanter body has a pair of left and right wheels 57,
57 supported on the field scene. The wheels 57 include wheel support rods 57a that are rotatably mounted on the machine frame of the airframe.
57a is pivotally supported at the rear end. In the figure, reference numeral 59 denotes a mission case, which is transmitted from the mission case to the lead cam shaft 61 for driving the seedling mounting table via the seedling mounting table transmission case 60 and the planting device 52 via the planting device transmission case 62. It is transmitted to. In the mission case 59,
An implanting clutch is built in to stop each part of the transplanter at a predetermined position. The planting clutch of each line is operated by the planting clutch lever 34, but a phase difference is provided in the on / off operation of the planting clutch of each line, so that the positions of planting start and planting end are aligned. It is set as follows. That is, the on / off operation is performed sequentially from the planting clutch of the transplanting machine located in front. FIG. 14 is a control sequence diagram. SOR _{1 to} SOR ₃ are on / off solenoids of the individual planting clutches.

The transplanting machines 2 (I to III) are arranged in a V-shape, and both sides are located forward, and the center side is located a predetermined distance behind it. Transplanter 2 on both sides
(I, III) has its front portion overlapping the step 32 in plan view. By arranging in this manner, the overall length can be shortened and turning is facilitated.

Each transplanter is provided with the lower frame pipes 23, 2
4 is attached to a hexagonal shaft 65 supported below the intermediate portion. The structure of the mounting portion is, as shown in FIGS. 4 and 9, the bearing portion 6 provided on the mounting frame 66 on the transplanter side.
7 is slidably fitted to the hexagonal shaft 65, the entire transplanter is swingable up and down about the hexagonal shaft 65, and
It is possible to move along. It should be noted that only the transplanter 2 (II) at the center does not slide on the hexagonal shaft 65 and is fixed at the left and right fixed position. Rollers 69 that can roll along the lower surface of the lower pipe frame 23 on the front side and rollers 70 that can roll along the upper surface of the lower pipe frame 24 on the rear side are slightly attached to the frame on the transplanter side. Is provided in a state having a play s (s ₁ + s ₂ ), and the transplanter 2 can be pitched up and down within the range of the play. Steps 3 are attached to the mounting frames 66 of the transplanting machines 2 (I, III) on both sides.
2, a strip adjusting lever 72 (I, III) protruding upward is provided, and the implant adjusting machine 2 is moved along the hexagonal axis 65 by the strip adjusting lever 72 to adjust the strip. ing. The guide groove 73 (I, II) provided in the step 32
In I), lever engaging portions 73a,. Since the transplanter 2 is supported on the lower frame pipe (23 or 24) by the rollers (69 or 70), the operation of moving the transplanter is easy, and the adjustment of the gap can be easily performed.

The riding vegetable transplanter 1 shown in the illustrated example can adjust the gap in seven stages. FIG. 2 shows the case where the gap is narrowest, and FIG. 3 shows the case where the gap is widest. Is shown. As can be seen in FIG. 2, when the streak is the narrowest, the inner wheels A, A of the outer (front) transplanter and the left and right wheels B, B of the central (rear) transplanter are positioned at the same time. It is designed to overlap back and forth. The center transplanter 2 (II) has a longer length of the mounting frame 66 so that the wheels B.I. Although a large load is applied to B, if the work is performed in a state where the strips are narrowest, the wheels B, B pass through the marks compacted by the wheels A, A, so that the soil of the transplanter 2 (II) is Subsidence is reduced and the planting depth is averaged.

As described above, when the number of transplanting machines is odd, there is no need to provide a lateral moving mechanism for adjusting the spacing between the centers in the central transplanting machine 2 (I). It is sufficient to adjust the positions of the transplanting machines on both sides with reference to the transplanting machine, so that the operation of adjusting the spacing can be easily performed. In addition, in the case of a five-row planting vegetable transplanter, it is preferable to arrange it in a W shape as shown in FIG. 15 in terms of shortening the total length, turning property, and the like. Also in this case, the center transplanter (III) is fixed at a fixed position, and the transplanters on both sides are moved to the left and right to adjust the spacing. At this time, the movement amounts of the I and V transplanters are II and IV.
Of the transfer machine. For example, as in the case of seven-row planting, a riding vegetable transplanter provided with an even larger number of transplanters may be used.

The hexagonal shaft 65 is also a drive shaft of each of the transplanting machines 2,.
The rotation shaft 21a in (L) and the gear 42 in the gear case 42
a, 42b, a rotating shaft 76, a chain 77a in a chain case 77, and the like. Gears 81,... Attached to the transmission frame 80 of the transplanter are slidably fitted to the hexagonal shaft 65, and the moving power taken out by the gears is engaged with the gear 82, the gear 82, and the inside of the transmission frame. The information is transmitted to the mission case 57 via the chain 83 and the like.

Reference numeral 90 denotes a spare seedling mounting table, which is formed with a plurality of shelves 91,... On which two seedling boxes can be placed per one stage, and brackets projecting obliquely upward from both sides of the machine frame. 92 is rotatably mounted in a horizontal plane. 9
Reference numeral 3 denotes a rotation stop lever. Normally, the longitudinal direction of the seedling box is held in a state in which the longitudinal direction of the seedling box is oriented as shown by the solid line in FIG. 2, and when the seedling box is taken out, the longitudinal direction of the seedling box advances as shown by the two-dot chain line in FIG. The preliminary seedling mounting table 90 is rotated so as to be perpendicular to the direction. The upper ends of the columns 94, 94 of the left and right spare seedling mounting tables are connected by a horizontal rod 95.

As described above, in this riding seedling transplanter, even if the airframe moves up and down, each planting device and each wheel mounted on a plurality of transplanters provided in the planting section are moved up and down by The state that each wheel is in contact with the field scene and each planting device is supported at the set height with respect to the field scene is maintained only by moving the fulcrum up and down. Fluctuations in height are unlikely to occur. In addition, even if each field scene in which each wheel mounted on a plurality of transplanters touches and rolls goes up and down to different heights, the wheel and planting device mounted on each transplanter are placed above and below each field scene. Since the planting apparatus moves up and down, the vertical height of each planting apparatus with respect to the field scene does not easily fluctuate. Therefore, even if the airframe moves up and down or the field scene moves up and down, seedlings are planted at the appropriate planting depth for each row.

In the riding seedling transplanter according to the second aspect of the present invention, each planting device and each ring are rotated up and down around a transmission shaft for transmitting power to the planting device. The transmission to the seedling-planting device is performed with a simple configuration while being configured to rotate up and down with respect to the machine body. In the seedling transplanter according to the third aspect of the present invention, since each planting device and each ring are rotated up and down around a left-right axis disposed forward of the planting device and the wheel in the machine body traveling direction. The wheel that touches the field scene is rolled by being towed from the front side of the fuselage, and the effect that the wheel rolling in the field scene tends to shift to the left and right with respect to the traveling direction of the machine is unlikely to occur. Become. Therefore, the up-and-down rotation around the horizontal axis of each ring and each seedling planting device is performed smoothly, and the variation of the vertical height of each planting device with respect to the field scene is further less likely to occur. In addition, the planting depth of the seedlings is less likely to fluctuate.

In the seedling transplanter according to the fourth aspect of the present invention, since the rotation range of each planting device and each body relative to the body is regulated by the regulating means, the planting portion is raised for traveling on the road. When the planting device and the wheel are lifted above the ground without hanging, the planting device and the wheel are less likely to collide with obstacles on the road when traveling on the road, and are less likely to be damaged. Become.

[Brief description of the drawings]

FIG. 1 is a side view of a riding vegetable transplanter.

FIG. 2 is a plan view of the riding vegetable transplanter in one state.

FIG. 3 is a plan view of the riding vegetable transplanter in a state different from the state of FIG. 2;

FIG. 4 is a partial cross-sectional side view of a part of the planting portion.

FIG. 5 is a partial plan view showing the machine frame of the planting section.

FIG. 6 is a front view showing a compression wheel mounting portion.

FIG. 7 is a front view of a marker attaching portion.

FIG. 8 is a side view of the transplanter.

FIG. 9 is a plan view of the transplanter.

FIG. 10 is a perspective view of a seedling supply frame.

FIG. 11 is a side view of the earth covering wheel mounting portion.

FIG. 12 is a plan view of a covering soil ring attaching portion.

FIG. 13 is a plan view illustrating an operation state of the groove generator and the earth covering ring.

FIG. 14 is a sequence diagram of planting clutch control.

FIG. 15 is an explanatory diagram showing an arrangement state of the transplanter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Riding vegetable transplanter 2 ... Transplanter 3 ... Planting part 5 ... Riding vehicle body 6 ... 3P link device 32 ... Step 33 ... Operator seat 34 ... Planting clutch lever 38 ... Squeezing wheel 40 ... Rear wheel 41 ... Swelling and softening teeth 43 ... Marker 50 ... Seedling table 51 ... Groove device 52 ... Planting device 53 ... Covering ring 65 ... Hex shaft 69, 70 ... Roller 72 ... Spacing adjustment lever 90 ... Spare seedling mounting table

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Norihiro Yano 1 Eighth-Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. (72) Inventor Takafumi Sekiya 1-Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.

Claims (4)

[Claims] 1. A planting section provided with a plurality of transplanters is mounted on a rear part of a riding traveling vehicle body via a link device so as to be able to ascend and descend, and the planting apparatus equipped on the transplanter and a field scene are rolled. A structure in which a wheel is rotatably provided up and down around a left-right axis provided on the body, the wheel is grounded on a field scene, and the planting apparatus is supported at a set height relative to the field scene. A seedling transplanter for riding. 2. The transplanting seedling transplanter according to claim 1, wherein the planting device and the ring body are vertically rotatable around a transmission shaft for transmitting power to the planting device. . 3. The planting device and the wheel body are provided so as to be rotatable up and down around a left-right axis disposed forward of the planting device and the wheel body in the fuselage traveling direction. The riding seedling transplanter according to claim 1. 4. The riding seedling transplanter according to claim 1, further comprising regulating means for regulating a rotation range of the planting device and the ring body with respect to the body.