KR970004402B1 - Transplanter - Google Patents

Abstract

No content.

Description

Planting Device of Transplanter

1 is a side view of a planting apparatus according to an embodiment.

2 is a cross-sectional view taken along the line C-C of FIG.

3 is a cross-sectional view taken along the line D-D of FIG.

4 is a plan sectional view of the planting apparatus.

5 is a side view showing the link of the first parallel linkage.

6 is a view showing the earth trace of the planting means.

7 is a side view of the implant.

8 is a sectional view according to another embodiment.

9 is a side view of a planting apparatus showing a conventional example.

* Description of the symbols for the main parts of the drawings *

2: driving gas (mobile gas) 18: first parallel link mechanism

19: 2 parallel linkage mechanism 32: planting click

35: first crank 36: second crank

θ: Rotation angle d: Radius of rotation

[Industrial use]

The present invention relates to a planting device of the transplanter to be sequentially transplanted to the vegetable garden while moving the seedlings, such as cabbage, lettuce.

[Prior art]

As a transplanting machine for seedlings such as vegetables, there is one described in Japanese Patent Application Laid-Open No. 5-31516.

As described in this publication, as shown in FIG. 9, the first parallel link mechanism 62 pivots freely back and forth in the traveling (front and rear) direction as shown in FIG. 9, and this first parallel link mechanism 62 is provided. The second parallel link mechanism 64 pivots freely up and down via the bracket 63, and the support cylinder 65 is attached to the second parallel link mechanism 64, and the support cylinder 65 A planting click 66 is provided at the lower end in the front-rear direction to open and close freely. In addition, a crank pin 70 provided on the front end side of the crank 69 rotated by the drive shaft 68 is pivotally connected to the bracket 67 fixed to the second parallel link mechanism 64. By the rotation of the e-arrow display direction of the crank 69, the planting click 66 moves forward and backward and up and down to draw a special trajectory f, and the seedling is fed from the upper part of the trajectory f. Is to be inserted into the vegetable garden near the lowest point of the trajectory (f).

[Problems that the invention tries to solve]

By the way, in actual planting, the planting click 66 draws the earth trace which added the displacement of the traveling direction, and this earth trace (especially the entrance trace of the planting click 66 with respect to a vegetable garden) inserts a seedling in an upright state. It is important. In addition, when the speed of the moving gas 61 changes, the displacement of the planting click 66 changes in the traveling direction, and the shape of the front and back directions of the earth trajectory changes. Therefore, in order to plant the seedlings well and efficiently, the trajectory f of the planting click 66 must be set corresponding to the vehicle speed. However, in the conventional one, one crank 69 is used. It is difficult to easily change the shape f of the planting click 66 to a track having a different vertical width from the front and rear widths, and the track f of the planting click 66 is different. It was difficult to set the shape freely and easily in response to the speed. In addition, the conventional one is to stop the rotation of the crank 69 for a certain time to increase the period of time in the standard size interval, and to reduce the period of time in the standard period of time is to make the rotation speed of the crank 69 constant Afterwards, it is necessary to respond by lowering the speed of the mobile gas 61, but there is a problem that the earth trajectory of the planting click 66 changes at this time. Accordingly, an object of the present invention is to provide a planting apparatus for an implanter which can easily and freely adopt a trajectory of planting clicks corresponding to the speed of a mobile gas.

[Means for solving the problem]

The technical means devised to achieve the above object is to pivot the first link mechanism 18 on the moving body 2 forward and backward in a moving direction, and to the first link mechanism 18 on the second link mechanism. In the planting apparatus of the implanter which attached the planting click 32 which transplants the seedling to this 2nd link mechanism 19 freely pivoting (19), and oscillates the said 1st link mechanism 18. The first crank 35 and the second crank 36 for rotating the second link 19 in synchronization with the first crank 35 is provided.

[Action]

By changing the design of the first link mechanism 18 and the first crank 35 side, the trajectory of the planting click 66 is freely set to the trajectory of which the vertical height is substantially constant and the width of the traveling direction is free. The trajectory of the planting click 66 corresponding to the speed of 2) can be easily and freely employed. The first link mechanism 18 is free to change the position of the swing point, the rotation radius C of the first crank 35 is free to be changed, or the swing angle θ of the first link mechanism 18 is changed. In this way, it is possible to freely change the travel direction width of the locus of the planting click 66, so that the ideal planting click 66 corresponding to the speed is changed when the speed of the moving body 2 is changed. Get earth trace.

EXAMPLE

EMBODIMENT OF THE INVENTION Hereinafter, the Example of this invention is described based on drawing.

1 to 7 show one embodiment, and in FIG. 7, the implanter 1 is a walking type having an adjustment handle 3 at the rear of the traveling body (moving body) 2, which is a multi-film. Run in the longitudinal direction by straddling the gyrus (A) covered with. The traveling body 2 is equipped with an engine 5 on all its mounts 4, and a transmission case 6 is fixed to the rear portion of the mount 4 so that the input portion and the output portion of the engine 5 are wound. It is interlocked with the body (7).

The driving system power is transmitted from the transmission in the transmission case 6 to the left and right pair of drive wheels 8, and the drive wheels 8 transmit the grooves B between the grooves A. The power from the engine 5 is taken out from the transmission via the PTO shaft 9 separately from the traveling braking force.

In the rear part, the seedling conveying apparatus 10 is arrange | positioned, The whole seedling conveying apparatus 10 pivots to the side of the base | substrate 2, and the rear part is elastic support means 12 to the main frame 11 of the base | substrate 2 side. It is mounted on the movable frame 13 which is elastically supported by the through shape of (). In this seedling conveying apparatus 10, horizontally arranged port seedlings are extruded from a seedling box in which a plurality of port sections are arranged vertically and horizontally. It is to be supplied drop by piece.

The planting apparatus 14 is provided with the parallel link mechanism 15, the planting means 16, and the drive means 17, as shown to FIG. 1 thru | or FIG. The first parallel link mechanism 18 and the second parallel link mechanism 19 are provided.

The first parallel link 18 is made up of front and rear links 18a and 18b, and a pair of upper and lower pivoting parts 20 and 21 formed by penetrating and fixing a cylindrical shaft in the left and right directions on both links 18a and 18b. Is installed.

On the other hand, the attachment member 22 is arrange | positioned above the movable frame 13, and this attachment member 22 is being fixed to the support plate 23 fixed to the movable frame 13. As shown in FIG. In addition, the left and right pairs of nut members 24 are fixed to the movable frame 13 and the attachment member 22, and the front and rear links 18a and the first through the bolts 25 screwed to these nut members 24. The pivoting part 20 of the upper side of 18b pivots freely to the nut member 24 of the attachment member 22, and the lower pivoting part 21 pivots to the nut member 24 of the movable frame 13 freely. The first parallel link mechanism 18 is freely swingable in the front-rear direction by selectively pivoting the upper and lower pivoting portions 20 and 21.

In the middle of the rear link 18b, an elongated long hole 26 is formed in the middle of the rear link 18b. A rocking bracket 27 pivots through the pins 28 and 29 at the lower ends of the front and rear links 18a and 18b. Is connected.

The second parallel link mechanism 19 is formed at the upper and lower links 19a and 19b, and the front and rear sides of both links 19a and 19b are axially rotated on the rocking bracket 27 through the pins 29 and 30. It is pivotally connected freely, and the 2nd parallel link mechanism 19 is freely rocking in an up-down direction.

The planting means 16 is provided with the beak type planting click 32 which opens and closes freely in the front-back direction at the lower end of the support cylinder 31, and the support cylinder 31 is the upper and lower links of the 2nd link 19. (19a, 19b) It is pivotally connected via pins 33 and 34 at the rear end side.

The drive means 17 has a first crank 35 which oscillates the first parallel link mechanism 18 and a second crank 36 which oscillates the second parallel link mechanism 19.

The first and second cranks 35 and 36 are fixed to the drive shafts 38 and 39, which are freely supported on the support plate 23 through the bearings 37 and 38, respectively, and are at the tip of the first crank 19. The bearing 41 is provided in the side via the crank pin 40, and this bearing 41 is fitted in the long hole 26 of the rear link 18b of the 1st parallel link mechanism 18. As shown in FIG. In addition, the bearing 43 is rotatably installed on the front end side of the second crank 36 through the crank pin 42, and one end of the connecting plate 44 is fixed to the bearing 43, and the connecting plate 44 is fixed. On the other end of the) is fixed to the bearing 45, which is installed freely through the pin to the upper link (19a) of the second parallel link mechanism 19.

Each of the drive shafts 38 and 39 is provided with motor gears 46 and 47 fixed to the outside thereof, and an idle gear 48 meshed with these motor gears 46 and 47 is disposed therebetween. 48 is fixed to the intermediate shaft 50 supported by the support plate 23 via the bearing 49 in a rotational manner.

A cylindrical portion 51 is integrally formed on the electric gear 47 on the second crank 36 side, and a pair of sprockets 52 and 53 are fitted to the outside and fixed to the cylindrical portion 51. 52 is interlocked with the PTO shaft 12 via the chain 54 and other transmission members, and the other sprocket 53 is interlocked with the drive system of the seedling feeder 10.

Therefore, power from the engine 5 taken out of the transmission case 6 in the PTO shaft 12 is first transmitted to the electric gear 47 on the side of the second crank 36, so that the second crank 36 It rotates in the a direction at the time of the arrow of 1 degree, and the 2nd parallel link mechanism 19 oscillates to an up-down direction by rotation of this 2nd crank 36. As shown in FIG.

Further, power is transmitted from the electric gear 47 to the electric gear 46 on the side of the first crank 35 through the idle gear 48 so that the first crank 35 protrudes from the second crank 36 in the same direction. The first parallel link 18 is swinged in the front-rear direction by the rotation of the first crank 35. Then, the planting means 16 moves up and down and back and forth by shaking the first and second parallel link mechanisms 18 and 19, and the seedlings are supplied to the planting means 16 from the upper part of the trajectory b. In the vicinity of the lowest point of the trajectory (b), the planting click 32 is intruded and opened in the hole formed in the multi-film by the punching device 55, and the seedling is implanted in the ridge.

In the above mechanism, as shown in FIG. 5, by changing the pivoting point of the first parallel link mechanism 18, the swing angle θ of the first parallel link mechanism 18 is changed, and the swing amount is changed. As shown in the figure, the trajectory b of the planting means 16 can be changed in shape so that the vertical height is substantially constant and the front and rear widths change (in FIG. 1, the dashed-dotted line is the first parallel link mechanism 18). The trajectory b at the time of pivoting the upper pivoting part 20 of (), and the solid line shows the trajectory (b) at the time of pivoting the lower pivoting part 21).

As a result, in a state in which the pivoting portion 21 on the lower side of the first parallel link mechanism 18 is pivoted to plant the seedlings, the rotation speed of both cranks 35 and 36 is made constant, and then the vehicle speed is decreased. When the earth trajectory changes shape so as to interfere with planting when the period is reduced by dropping, as shown in FIG. 6 by changing the support from the lower pivoting part 20 to the upper pivoting part 20. Similarly, the earth trajectory can be corrected, and the ideal earth trajectory corresponding to the vehicle speed can be easily obtained (in FIG. 6, the dashed-dotted line shows the pivoting portion 20 on the upper side of the first parallel link mechanism 18). The earth trace at the time of pivoting, and the solid line shows the earth trajectory at the time of pivoting the lower pivoting part 21).

8 shows another embodiment, whereby the position of the rocking support point of the first parallel link mechanism 18 is made constant, and the crank pin 40 is freely repositioned in the longitudinal direction of the first crank 35. The rotation radius a of the first crank 35 can be changed so that the swing angle θ of the first parallel link mechanism 18 can be changed freely.

That is, the first crank 35 is provided with a long hole 56 in the longitudinal direction, and the crank pin 40 is provided with a screw portion 41a which is inserted into the long hole 56 freely in the longitudinal direction. The crank pin 40 is fixed and moved freely by tightening and loosening the nut 57 which is screwed onto the threaded portion 40a.

In the above embodiment, the pivoting portion serving as the swing support point of the first parallel link mechanism 18 may be provided in three or more positions as necessary, and the configuration for changing the swing support point of the first parallel link mechanism 18; The structure which changes the rotation radius of the 1st crank 35 may be combined. In addition, the rotation speed of the first and second cranks 35 and 36 may be constant, may be freely shifted, and if it is possible to shift, the planting speed may be increased and efficient planting work may be obtained.

[Effects of the Invention]

According to the present invention, the first crank 35 which swings the first link mechanism 18 freely pivoted back and forth in the moving direction 2 in the moving direction 2, and the first link mechanism 18 is freely pivoted up and down. By having the second crank 36 which swings the second link mechanism 19 synchronously with the first crank 35, planting is performed by the design change of the first link mechanism 18 and the first crank 35 side. The trajectory of the click 66 can be freely set to the trajectory of which the vertical height is substantially constant and the width of the moving direction is different, and the trajectory of the planting click 66 corresponding to the speed of the moving body 2 can be easily and freely adopted. It is possible to provide a planting device of an implanter.

In addition, the position of the swing support point of the first link mechanism 18 is changed freely, the rotation radius d of the first crank 18 is changed freely, or the swing angle θ of the first link mechanism 18 is changed. By making it possible to freely change the traveling direction width of the trajectory of the planting click 66, the ideal ground trajectory of the planting click 66 corresponding to the speed can be obtained when the speed of the moving gas is changed to change the period of time. have.

Claims (4)

The first link mechanism 18 pivots freely in the moving direction 2 forward and backward in the moving direction, and the second link mechanism 19 pivots freely up and down on the first link mechanism 18. In the planting apparatus of the implanter with the planting click 32 which transplants a hair | bristle to the 2 link mechanism 19, the 1st crank 35 which oscillates the said 1st link mechanism 18, and the said 1 crank 35 And a second crank (36) for oscillating the second link (19) in synchronism with ()). The planting apparatus of the implanter according to claim 1, wherein the swing angle (θ) of the first link mechanism (18) is changed freely. The planting apparatus according to claim 1, wherein the position of the swing point of the first link mechanism (18) is changed freely to change the swing angle (θ) of the first link mechanism (18). The planting apparatus according to claim 1, wherein the rotation radius (d) of the first crank (35) is changed freely to change the swing angle (θ) of the first link mechanism (18).