JP2010239915A - Vegetable transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problems of conventional vegetable transplanting techniques comprising impossible simultaneous work of a fertilizing-tilling work for efficiently increasing fertilizer effect while reducing useless work and a transplanting work to plant a seedling on the fertilized soil, and necessary to perform the works in two divided steps. <P>SOLUTION: The vegetable transplanter is provided with a fertilizing apparatus (3) to supply fertilizer within a tilling range of a tilling apparatus (2) installed on a working vehicle (1). The fertilizing apparatus (3) has a fertilizer supplying part (4) at a position to enable mixing of the fertilizer into the soil by tilling action of the tilling apparatus (2), and a planting apparatus (5) installed at an upper back side of the tilling apparatus (2) and inserting and planting the seedling in the soil after passing the tilling apparatus (2) over the planting position. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vegetable transplanter configured by mounting a planting device for planting seedlings on soil mixed with fertilizer by a tilling device on the rear upper side of the tilling device mounted on a work vehicle.

  Conventionally, when planting seedlings with a vegetable transplanter, a technique for fertilizing the field scene in the previous process and mixing the fertilizer into the soil with a tillage device has been developed and published. In order to effectively increase the fertilization effect, a technology has been developed to reduce the waste of fertilizer by mixing the fertilizer in the range where the seedlings are planted and within the range where the roots grow as the plant grows so that it can be absorbed properly by the crop. Yes.

For example, as a feature of the disclosed technique disclosed in Japanese Patent No. 3806735, it is disclosed as follows.
One is provided with a tilling rotary extending in the horizontal direction and a pair of trough forming plates which are provided behind the tilling rotary and which mold the soil plowed by the tilling rotary into a trough, and the rotary shaft of the tilling rotary A pair of disks corresponding to the pair of ridge-forming plates, and a discharge pipe through which fertilizer and agrochemical are fed are faced between the pair of disks, and a cultivating claw of a cultivating rotary is disposed between the pair of disks. And the fertilizer and pesticide discharged between the disks are stirred with the soil, and the stirring area formed between the pair of disks has the height of the paddle formed between the pair of paddle forming plates The disk is arranged with respect to the bowl forming plate so as to be in the center of the width. In addition, in addition to the above-described features, the diameter of the disk is larger than the diameter of the rotary outer periphery of the tillage rotary.
It is described.

  As described above, conventionally known techniques are performed in the next process while minimizing the waste of fertilizer mixed in the soil in the fertilization and tilling work performed as a pre-process of planting work. This technique aims to increase the fertilization effect on seedlings planted in the field by planting work and efficiently absorb them into the roots.

Japanese Patent No. 3806735

  The known technique disclosed in the patent publication (see Patent Document 1) presented in the previous section is a technique in which fertilizer that has been fertilized is mixed into the soil in a range in which the roots of the seedling can be efficiently absorbed without waste by a tillage device. In short, it is a technique that can form a limited fertilizer stirring zone using a pair of disks.

  However, the above known technique requires that the seedling planting work by the seedling transplanter should be performed as a separate work in the next process, and in one work process, combined with the fertilization work that reduces waste and increases the fertilization efficiency efficiently. Therefore, there is a problem that transplantation work cannot be performed at the same time.

  This application to be described below is a fertilizer / plowing work in which, in one work process, a fertilizer fertilizer is mixed in a seedling planting position of soil and a seedling planting device is installed on the rear upper side of the tiller device. Subsequently, the planting operation can be adjusted in accordance with the invention of claim 1 in which the seedling transplanting work can be carried out in the same work process and corresponding to the spacing of the wrinkles formed by the vertical molding machine. A vegetable transplanter comprising the invention of claim 2 configured as described above, which solves the conventional problems.

In order to solve the above problems, the present invention takes the following technical means.
First, the invention of claim 1 is provided with a fertilizer applying device (3) for supplying fertilizer within a tillage range of a tilling device (2) equipped on a work vehicle (1), the fertilizing device (3) A plantation in which a fertilizer supply part (4) is arranged at a position where fertilizer can be mixed in the soil in accordance with the tillage action of the tillage device (2), and a seedling is planted in the soil after passing through the tillage device (2). It is a vegetable transplanting machine constructed by mounting a planting device (5) on the rear upper side of the tillage device (2), and in a single work process, fertilization / plowing work and seedling by the planting device (5) The planting work is performed, and the work efficiency can be greatly increased by the simultaneous work. In addition, the invention of claim 1 is also characterized in that the planting device (5) is equipped on the rear upper side of the tilling device (2) to make the entire device compact.

  Next, in the invention of claim 2, the tilling device (2) has a wide tillage width that spans a plurality of ridges (7) formed by the vertical forming device (6) provided behind the tilling device (2). The fertilizer supplied from the fertilizer supply part (4) of each fertilizer hose (8) of the fertilizer application device (3) and mixed in the soil by stirring at the time of tillage, the seedling planting device (3) is the vegetable transplanting machine according to claim 1, wherein the planting strip is adjustable so as to correspond to the spacing of the baskets (7) formed by the vertical molding machine (6). Since it has the same operation and effect as the invention of claim 1 and can adjust the spacing between the planting strips according to the spacing of the ridges (7) formed by the ridger (6), It became possible to plant seedlings in the center position.

  First, the invention of claim 1 can simultaneously perform fertilization / plowing work and planting of seedlings with the planting device (5) in a single work process, and the work efficiency is improved by the simultaneous work. There is a feature that can greatly improve. And since invention of Claim 1 equips the planting apparatus (5) using the upper space part in the rear part of the tilling device (2), it is also characterized by the fact that the whole apparatus could be comprised compactly. is there.

  Next, the invention of claim 2 has the same functions and effects as those of the invention of claim 1, but is planted in accordance with the intervals of the ridges (7) formed by the upright molding machine (6). Since the interval between the streaks can be adjusted, there is a feature that seedlings can be planted within the approximate center position of each ridge (7), that is, within the width of the band-like region mixed with fertilizer.

Side view of a vegetable transplanter mounted on a tractor Top view of the vegetable transplanter installed in the tractor Rear view showing the state where seedlings are planted on the fertilized cocoons Cut back view showing the main part of a part of the tillage device Rear view showing the horizontal relationship between the tillage device and the vertical molding machine Action diagram of seedling planting tool of planting device, Plan view showing the working mechanism of the seedling planting tool The front view which showed the state which the seedling planting device planted the seedling to the cocoon.

Embodiments of the present invention will be specifically described below with reference to the drawings.
First, in the case of the embodiment, as shown in FIGS. 1 and 2, the tractor 1 corresponding to the work vehicle 1 is provided with a tilling device 2, a vertical forming device 6, a fertilizer application device 3, and a planting device at the rear thereof. The attachment device 5 is integrally mounted.

  As shown in FIGS. 1 and 2, the tractor 1 has a traveling vehicle body 10 provided with a pair of left and right front wheels 11 and 11 and rear wheels 12 and 12 in an engine room covered by a front bonnet 13. Is equipped with an engine 14, a driver's seat 15 at a position near the rear, and a steering handle 16 at a front position.

  And, as shown in FIG. 1 and FIG. 2, the tilling device 2 is composed of a rotary tilling device in the case of the embodiment, and is attached to the rear portion of the tractor 1, and detailed drawings are omitted. The rotational power output from the engine 14 is transmitted through a PTO shaft provided in the mission device. The main part of the tilling device 2 is shown in FIG. 4 as a part thereof, but a horizontally long mounting boss 19 is fitted to the tilling shaft 18 transmitted from the PTO shaft so as to be integrally rotatable. A pair of discs 20 and 20 are attached to this at a predetermined interval in the axial direction, and two tillers 21 and 21 are freely attached between them. In this case, the pair of disks 20 and 20 are configured to be mounted on the mounting boss 19 via a mounting plate 22 mounted on the center side (mounting boss 19 side). It is set as the structure arrange | positioned so that it may be located in the center of the container 6. FIG.

  And the fertilizer supply part 4 of the fertilization hose 8 mentioned later is opened and provided between the pair of disks 20 and 20 as shown in the related position in FIG. The discs 20 and 20 are limited.

  Next, as shown in FIG. 1 and FIG. 5, the vertical molding device 6 is composed of a pair of left and right molding plates 23, 23 that form the shape of the collar, and as seen in the rear view shown in FIG. Immediately after the tilling device 2, the pair of disks 20, 20 and the tilling blades 21, 21 between them are arranged so as to hold the left and right relative positions so as to be in between.

Therefore, the vertical molding machine 6 has a configuration in which a fertilizer stirring region continuous in a band shape is formed in the central portion of the basket formed by the forward movement.
Next, as shown in FIG. 1, the fertilizer application device 3 is composed of a fertilizer tank 25, a fertilizer supply unit 26, a fertilizer hose 8, and a fertilizer supply unit 4 at the tip of the hose 8. In the case of the example, the support rod 28 is extended and supported from the top of the tractor 1 and the roof. In the fertilizer applicator 3 according to the embodiment, the fertilizer feeding unit 26 is operated in association with the driving of the tilling device 2, and a fixed amount of fertilizer is fed to the fertilizer hose 8, and flows down downward, and the fertilizer supply unit at the tip. 4, the fertilizer is applied between the disks 20, 20 of the tilling device 2. In this case, the fertilization hose 8 is configured so as to avoid hitting a seedling tank that moves laterally laterally of the planting device 5 described later.

  And as shown in FIG. 3, when fertilizing apparatus 3 fertilizes with the fertilization hose 8 divided into the bifurcated ridges 7, 7, and 7, respectively, it is fertilized for every ridge 7, 7, 7. A configuration that takes into consideration that there is no difference in the total amount of fertilizer (in the case of the embodiment, the center rod 7 is fertilized with half the amount of fertilizer with the left and right fertilizer hoses 8a and 8b having a small diameter, totaling The amount of fertilizer applied to the left and right is approximately the same.)

Next, the seedling planting device 5 will be described.
First, as shown in FIG. 1 and FIG. 2, the seedling planting device 5 is equipped with a space portion on the rear upper side of the tilling device 2 and is designed to be compact. The configuration shown in FIGS. 6 to 8 will be described in detail.

  As shown in the drawing, the seedling planting device 5 includes a seedling planting tool 42 (see FIG. 8) that can be formed into a cup shape with a sharp lower end and can enter the soil surface. And this seedling planting tool 42 consists of the front side member 42a and the rear side member 42b, as shown in FIG.6 and FIG.8, The front side member rotating shaft located in the back of the seedling planting tool 42 A front member 42a is integrally attached to the left and right front member mounting arms 162A rotatably supported by 161A, and is rotatably supported by a rear member rotating shaft 161B positioned in front of the seedling planting tool 42. The rear member 42b is integrally attached to the left and right rear member attachment arms 162B. Therefore, when both members 42a and 42b rotate with the rotation shafts 161A and 161B as fulcrums, the lower portion of the seedling planting tool 42 opens and closes. The front member 42a and the rear member 42b rotate in conjunction with each other by an interlocking pin 163 loosely fitted in a slot formed in the front member mounting arm 162A and the rear member mounting arm 162B. Between the leg 162aA of the front member mounting arm 162A and the leg 162aB of the rear member mounting arm 162B, a spring 164 that urges the front member 42a and the rear member 42b to close is stretched. The seedling planting tool 42 performs a predetermined operation by the following operation mechanism.

  That is, in FIG. 7, a rear link support arm 167A is rotatably attached to a support portion 33a that protrudes upward from the second planting transmission case 32, and a base portion of the rear link 168A is pivotally attached to the support arm 167A. A front member rotation shaft 161A is connected to the rear end. A rear link drive arm 169A provided at the rear end of the second planting transmission case 32 is connected to an intermediate portion of the rear link 168A. Further, a front link support arm 167B is rotatably attached to the planting part mission case 30, and a rear member rotation shaft 161B is connected to the rear end of the front link 168B whose base is pivotally attached to the support arm. Yes. A front link drive arm 169B provided at a rear end portion of the first planting transmission case 31 is connected to an intermediate portion of the front link 168B. When both drive arms 169A and 169B are driven and rotated, the rear link 168A and the front link 168B swing up and down while changing the position of the base part back and forth, and the seedling planting tool 42 draws a vertical planting locus with a fixed posture. It works while.

  An opening / closing arm 171 is pivotally attached to the base of the rear link 168A, and the distal end of the opening / closing arm 171 is connected to the front member attachment arm 162A by an opening / closing rod 172. An opening / closing cam 173 that rotates integrally with the rear link drive arm 169A is attached to an intermediate portion of the rear link 168A. A roller 174 as a cam follower of the opening / closing cam is provided on the opening / closing arm 171. The opening / closing cam 173 engages with the roller 174 in a stroke in which the seedling planting tool 42 is lifted from a position near the bottom dead center. When the opening / closing cam 173 is engaged with the roller 174, the opening / closing rod 172 is pulled, the front member 42a and the rear member 42b are rotated in conjunction with each other, and the seedling planting tool 42 is opened. When the opening / closing cam 173 does not engage the roller 174, the seedling planting tool 42 is closed by the tension of the spring 164.

  Although the seedling planting tool 42 is not shown when it is at the top dead center, the seedling is dropped and supplied by the upper seedling supply device. The supplied seedlings are configured to be guided into the seedling planting tool 42 through a cylindrical seedling guide 176 attached to the front member rotation shaft 161A and the rear member rotation shaft 161B. The seedling planting tool 42 holding the seedling descends, and at the bottom dead center, the lower part of the seedling planting tool 42 pierces the topsoil portion of the cocoon to form a seedling transplanting hole. Almost simultaneously with this, the seedling planting tool 42 opens, and the held seedling is opened into the seedling transplanting hole. The seedling planting tool 42 is lifted as it is, and the seedling planting tool 42 is closed when it rises to near the top dead center.

  In the case of this embodiment shown in FIGS. 1 and 3, the seedling planting device 5 described above has three units arranged side by side, and as described above, is installed in the space portion above the rear portion of the tillage device 2. is doing. The three seedling planting devices 5 can be detachably attached to each other, so that one can be removed and only two can be planted in two rows. It is set as the structure which can adjust between planting strips by moving and adjusting to the side.

  And as already shown in FIG. 1, the fertilizer 3 already demonstrated is the structure which attached the fertilizer tank 25 filled with the fertilizer to the position higher than the seedling tank etc. which are attached to the said seedling planting apparatus 5 etc. The fertilization hose 8 already described is also configured by selecting and piping a position that does not become an obstacle.

Therefore, the fertilizer application device 3 does not hit the planting work even if the seedling tank moves left and right, for example, and does not become an obstacle.
As shown in the drawing, the seedling planting device 5 is provided with an auxiliary seedling frame 50 on the tractor 1 to enable seedling replenishment at the time of planting. In the case of the tractor 1 of the embodiment, the auxiliary seedling frame 5 is provided. The stay 51 that supports 50 is also used as the safety frame 52, and is constituted by a sturdy member.

  And in the case of an Example, the tractor 1 forms the side steps 53 and 53 in the outer side of the driver's seat 15 widely, and is comprised so that an operator and an auxiliary worker can walk in comfort. Therefore, the side steps 53 and 53 can be effectively used at the time of replacement and replenishment of seedlings.

  Further, regarding seedling replenishment, the operator moves the fender on the outside closer to the seedling tank side of the planting device 5 by means of notching a part of the fender so that the seedling can be easily supplied from the driver's seat 15 side. The structure is devised.

  As shown in FIGS. 1 and 2, the pressure-reducing wheels 55, 55 have a configuration in which an attachment arm 57 is extended and supported from a support member 56 of the upright molding device 6. As described above, the planting device 5 and its attached device are configured to be compact by using a simple configuration means so as not to be bulky and accommodated in the tiller device 2 on the rear upper side.

  As mentioned above, since the Example equips with the tractor 1 as a working vehicle and the tilling device 2, the vertical forming device 6, the planting device 5, and the fertilizer device 3, the drive part of each device. The power on and off operations are related to each other, and the devices 2, 3, and 5 can be simultaneously started and stopped by one operation. In the case of the embodiment, the tilling device 2 and the fertilizer feeding unit 26 are configured to be turned on / off in conjunction with the turning on / off operation of the planting operation lever of the planting device 5 to simplify the operation. The seedling planting device 5 is configured to perform maintenance and adjustment of the planting depth by using an automatic tilling control device of the tilling device 2 provided in the tractor 1.

  The vegetable transplanting machine configured as described above fills the fertilizer tank 25 with fertilizer, replenishes the seedling tank with seedlings, causes the tractor 1 to run, and enters the planting operation lever while driving the rotating parts. To start. Then, the fertilizer applicator 3 supplies a fixed amount of fertilizer to the fertilizer hose 8 while the fertilizer feeding unit 26 rotates, and fertilizes the field scene from the fertilizer supply unit 4 at the tip. At that time, as shown in FIG. 4, the fertilizer supply unit 4 supplies the fertilizer between the pair of left and right disks 20, 20, and the cultivating swords 21, 21 are agitated along with the plowing action to form a belt-shaped fertilization region. It is formed.

  Next, when the vertical molding device 6 passes after the passage of the tillage device 2, the position of the pair of disks 20 and 20 provided in the tillage device 2 is shown in the rear view in FIG. Then, the fertilizer is moved forward while forming the cocoon so that the fertilized area becomes a band in the central part of the cocoon. Therefore, in the case of the embodiment, the vertical molding machine 6 is formed with three ridges 7, 7, 7 as shown in FIG.

And the planting apparatus 5 is a planting of the seedling in the center position of the rods 7, 7, and 7 of the fertilization area | region continuously formed in the strip | belt shape in the center part as mentioned above.
In the case of the embodiment, the planting device 5 is installed behind the driver's seat 15 and it is very difficult for the operator to check the remaining amount of the seedling while the tractor 1 is traveling. When the amount of seedlings decreases to a preset amount, the tractor 1 automatically stops traveling and stops, and the planting device 5 automatically rises.

In addition, it is free to employ a configuration in which notification is given by a monitor, an alarm, or the like when the seedling is out.
As described above, according to the embodiment of the present invention, the fertilization / plowing work and the planting work of the seedling by the planting device 5 can be performed simultaneously in one work process, so that the work efficiency is greatly improved. Was able to. And since the Example equip | installed the planting apparatus 5 using the upper space part in the rear part of the tilling apparatus 2, the whole apparatus was able to be comprised compactly.

  And since the planting apparatus 5 of an Example can be removed and attached freely as demonstrated, the selection and change of the number of planting strips are also possible, and adjustment between planting strips can be carried out. It is an excellent vegetable transplanter capable of planting seedlings in the middle position of 7, 7, that is, within the width of the band-like region mixed with fertilizer.

DESCRIPTION OF SYMBOLS 1 Work vehicle 2 Tillage device 3 Fertilizer application 4 Fertilizer supply part 5 Planting device 6 Standing molding machine 7 ８ 8 Fertilization hose.

Claims (2)

  A fertilizer application device (3) for supplying fertilizer is provided within the cultivation range of the tillage device (2) equipped on the work vehicle (1), and the fertilizer application device (3) is used for the tilling action of the tillage device (2). Accordingly, the fertilizer supply part (4) is arranged and provided at a position where the fertilizer can be mixed in the soil, and the planting device (5) for planting seedlings in the soil after passing through the tillage device (2) is provided with the tillage. A vegetable transplanting machine equipped on the rear upper side of the device (2).   The tillage device (2) has a wide tillage width that spans a plurality of ridges (7) formed by a vertical molding machine (6) installed behind it, and the fertilizer application (3) The fertilizer supplied from the fertilizer supply section (4) of each fertilizer hose (8) is stirred and mixed in the soil at the time of tilling, and the planting device (5) includes the vertical molding machine (6 The vegetable transplanting machine of Claim 1 comprised so that adjustment between the planting strips was possible corresponding to the space | interval of the said ridge | former (7) formed by this.

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