KR100432087B1 - Seedling transplanter - Google Patents

Abstract

The shapes and sizes of the seedlings transplanting in the field vary, and there are small seedlings if there are large seedlings, and some seedlings are elongated if they have the seedlings spreading the leaves. Furthermore, there are so-called seedlings that do not have block-shaped soil attached to roots if they have seeded seedlings, such as cell-forming seedlings. Conventional seedling transplanting machines can cope with the difference in shape and size of seedlings to some extent. For example, in the case of seedlings with long stems or light seedlings, when the bottom lid of the cup is opened and seedlings are supplied to the seedling transplanting apparatus The seedlings are caught on the cups and do not fall accurately on the seedling transplanting apparatus, so that the transplantation failure may occur. Accordingly, it is an object of the present invention to provide a seedling transplanting machine capable of accurately transplanting seedlings of different kinds, shapes, sizes, and the like. To solve this problem, an openable and closable bean- ) And a running section, and the planting apparatus is configured to drop and supply seedlings into the seedling planting apparatus, wherein the inner surface of the lower end of the seedling planting apparatus is rounded.

Description

Seedling transplanter

The present invention relates to a seedling transplanting machine used in a field.

BACKGROUND ART Conventionally, in a walk-behind seedling transplanting machine having an openable and closable beak-shaped seedling-implanting mechanism, a traveling portion, and a steering handle, the turntable having a plurality of cups accommodating seedlings is placed on the seedling- And when the seedling grafting apparatus is raised, the bottom lid of the cup of the turntable is opened and the seedlings accommodated in the cup are dropped so that the seedlings are supplied to the seedling transplanting apparatus.

However, the shapes and sizes of seedlings transplanted into the field vary widely. There are large seedlings, small seedlings, and also some seedlings with foliage. Some seedlings are thin and long. In addition, there are seedling seedlings, such as cell-seedlings, and so-called seedlings, which do not have block-shaped soil attached to their roots. The conventional seedling transplanting machine as described above can cope with the difference in shape and size of seedlings to some extent. For example, in the case of seedlings with long stem and light seedlings, the bottom lid of the cup is opened, The seedlings are caught on the cups when they are fed to the apparatus, and sometimes do not drop accurately on the seedling transplanting apparatus.

In order to solve the problems of the prior art as described above, the present invention provides a seedling transplanting machine capable of accurately transplanting seedlings of different kinds, shapes and sizes.

1 is a side view of a seedling transplanting machine,

2 is a plan view of a seedling transplanting machine,

FIG. 3 is a side view of a recessed portion of a seedling transplanting machine,

Fig. 4 is a plan view of the recess of the seedling transplanting machine,

Fig. 5 is a side view showing the seedling-seeding apparatus in an open state;

6 is a side view of another vegetable transplant,

Figure 7 is a top view of another vegetable transplant,

8 is a perspective view of a connecting portion of a running part and a grafting part,

9 is a bottom view of the turntable,

10A is a side view showing another seedling feeding cup,

10B is a side view showing a conventional seedling feed cup,

11 is a side view of a seedling transplanting apparatus and the like,

12 is a plan view of a seedling transplanting apparatus and the like,

13 is a cross-sectional view for explaining the action of the end seedling implant end,

14 is a cross-sectional view for explaining the action of the seedling-implanting tool end, which is a comparative example,

FIG. 15 is a perspective view showing a main portion of a right front wheel and a right side guide roller,

16 is a front view showing a main part of a right front wheel and a right side guide roller,

17 is a side sectional view of a part of the recess.

DESCRIPTION OF REFERENCE NUMERALS

One … Driving device, 2 ... Steering handle,

2a ... Grip, 3 ... Link mechanism,

4,110 ... Seedlings, 35 ... Guide body,

36 ... Guard body, 51a ... Driving part,

90 ... Seedlings supply cup, K ... Operating trajectory.

In order to solve the above problems, the present invention has the following structure.

According to a first aspect of the present invention, there is provided a seedling transplanting machine provided with a movable seedling grafting mechanism capable of moving up and down by a link mechanism and a running portion, the seedling grafting mechanism being configured to drop and supply seedlings into the seedling grafting mechanism, And the inside surface is rounded.

Therefore, during the grafting operation, a seedling is dropped and supplied into the seedling-planting apparatus, and a beak-shaped seedling-planting mechanism that can be opened and closed while the machine body is advanced by the drive unit is lifted and lowered by a link mechanism that ascends and descends, Transplanted seedlings are transplanted into the field. Since the inner surface of the lower end of the seedling transplanting apparatus has a round shape so that the lower end of the seedling is inserted therein, the seedlings dropped into the seedling transplanting apparatus are supplied when the lower end of the seedling transplanting apparatus penetrates into the field, The lower part of the grafting apparatus is opened and the bottom of grafting apparatus is opened so that the distance of dropping the seedlings on the soil is very small and the grafting condition can be made very good.

The invention according to claim 2 is characterized in that, in the invention according to claim 1, the operation locus of the lower end of the seedling-implanting apparatus drawn by the link mechanism is set so that the lower end portion is located at the rear of the machine body with respect to the upper portion of the locus, And the lower end is set to be pointed.

Therefore, since the locus is set such that the trailing end of the trail of the seedling transplanting apparatus is at the rear of the machine body and the trajectory is set so as to be sharp, the locus of the lower end penetrating the field for transplanting seedlings into the field is almost vertical and vertical , Seedlings transplant seedlings perpendicular to the field. Moreover, since the trajectory of the lower end is sharp, the holes perforated in the field become small, and even in the field where the multi-film is installed, the holes of the multi-film can be made very small. Even in a transplanting operation with a narrower anteroposterior distance, when the machine body advances and the seedling is transplanted, the seedling transplanting mechanism does not pull the soil of the field in the traveling direction, and the transplanting of the seedling can be performed satisfactorily.

According to a third aspect of the present invention, there is provided a seedling transplanting machine comprising a movable seedling grafting mechanism capable of moving up and down by a link mechanism and a running portion, And the intermediate portion of the seedling supplying cup to be supplied by dropping is constricted.

Therefore, in the middle portion of the seedling supplying cup, the seedling is supplied from the seedling feeding cup to the seedling-implanting apparatus so that the seedlings can pass through the inside of the seedling feeding cup even if the seedlings are large, It is possible to surely drop and supply it to an appropriate position.

According to a fourth aspect of the present invention, there is provided a seedling transplanting machine provided with a movable seedling grafting mechanism capable of being opened and closed by a link mechanism and a traveling portion, And a tubular guide body for guiding seedlings in the seedling planting unit is provided above the opening and closing support points of the seedling planting unit and installed on the top of the seedling planting unit, Is arranged so as to be positioned in the vicinity of the upper and lower positions of the grip portion of the steering handle when the seedling implanting apparatus is located at the uppermost position and an operator inserts the seedling directly into the upper opening of the guide body to supply the seedling- Seedlings.

Therefore, during running of the work, the bean-shaped seedling grafting mechanism that can be opened and closed while the machine body is being advanced by the traveling portion is lifted and lowered by a link mechanism that ascends and descends, and the seedlings supplied in the seedling- The supply of the seedlings into the seedling transplanting apparatus is carried out by placing the seedlings directly in the upper opening of the tubular guide body provided on the upper part of the seedling transplanting apparatus so that the introduced seedlings are guided by the guide body and fall into the seedling transplanting apparatus, Seedlings are supplied within the seedling transplanting apparatus. Further, when the guide member projects upward from the opening / closing support point of the seedling-implanting apparatus, and when the seedling-implanting apparatus is located at the uppermost position, since the upper opening of the guide member is located near the upper and lower positions of the gripping portion of the steering handle, The upper opening of the guide body is positioned at an appropriate height when the seedling is introduced into the sieve so that the seedling can be easily and accurately injected so that the work can be efficiently performed.

According to a fifth aspect of the present invention, in the invention as set forth in claim 4, the upper end opening of the tubular guide body is formed wider than the lower end opening, and the upper end opening of the tubular guide body is formed, And a plurality of seedling grafting machines are provided so as to overlap each other above the connecting portion between the seedling grafting mechanism disposed in the vicinity and the link mechanism.

Therefore, since the upper opening of the tubular guide body is wider than the lower end opening and overlaps above the connection portion between the seedling-implanting mechanism disposed near the lower outer periphery of the guide body and the link mechanism as viewed from above the machine body, It is possible to easily insert the seedlings into the top opening of the sieve and to prevent the hands and the like from coming in contact with the seedling-transferring mechanism and the link mechanism that are moved up and down when the seedlings are inserted into the guide body The operation can be performed safely.

According to a sixth aspect of the present invention, in the invention according to the fourth aspect, when the seedling-implanting apparatus is located at the uppermost position, a guiding element that covers at least a side surface of the connecting portion of the seedling- And the guide member is provided so as to protrude upward.

Thus, when the seedling-implanting apparatus is located at the uppermost position, the guard covers at least the side of the seedling-implanting apparatus and the linkage of the linking apparatus. Moreover, since the guide body projects upward from the upper end of the guard, when the seedlings are introduced into the guide body, it is less likely that the hands or the like come into contact with the side surface of the seedling- Moreover, since the guide body protrudes upward from the upper end of the guard body, it is possible to easily insert the seedlings into the guide body while installing the guard body.

[Example]

Hereinafter, an embodiment of the seedling transplanting machine according to the present invention will be described. On the other hand, in the following description of the illustrative embodiment, the side on which the steering wheel 2 is disposed faces backward, and the side opposite thereto, that is, the side on which the engine 5 is disposed, faces forward. When the right side or the left side is viewed from the rear side of the machine body, the operator standing toward the front of the machine body sees the right side as the right side and the left side side as the left side.

1 and 2, the seedling transplanting machine is provided with a movable body 3 having a traveling device 1 and a steering wheel 2, which is a traveling part, connected to a link mechanism 3 for ascending and descending, Of the seedling grafting mechanism (4).

The traveling apparatus 1 includes an engine 5 in the illustrated example, a pair of left and right rear wheels 6 that are driven to transmit rotation of the engine 5 and are rotatable freely in front of the rear wheels 6 And a pair of left and right front wheels 7 supported.

A transmission case 8 is disposed behind the engine 5 and the transmission case 8 has a case portion extending from the left side portion of the engine 5 to the left side portion of the engine 5, . And the output shaft of the engine 5 is inserted into the case portion so that the power is transmitted to the transmission mechanism in the transmission case 8. [ The transmission case 9 is provided on both left and right sides of the transmission case 8 so as to be freely rotatable and the left and right sides of the right and left wheel drive shafts And the driving force is transmitted to the transmission mechanism in the transmission case 9. [ The driving power is transmitted to the rear of the machine body through the transmission mechanism in the transmission case 9 and then transmitted to the axle 10 protruding from the side surface so that the rear wheel 6 is driven to rotate .

An arm 11 extending upward is integrally provided on the stationary portion of the transmission case 9 to the transmission case 8. The arm 11 is integrally provided on the stationary portion of the elevating hydraulic cylinder 12 fixed to the transmission case 8 And is connected to both left and right side portions of a balance bar 13 provided at the piston rod front end so as to freely rotate around the center of the vertical axis. The right side of the connecting portion is connected by a rod 14, and the left side is connected by a hydraulic cylinder 15 for left and right horizontal control capable of stretching and shrinking operation.

When the lifting hydraulic cylinder 12 is operated and the piston rod projects to the rear of the machine body, the left and right arms 11 are pivoted back so that the transmission case 9 is pivoted downward, do. On the other hand, when the piston rod of the lifting hydraulic cylinder 12 enters the front side of the machine body, the left and right arms 11 pivot forward, so that the transmission case 9 rotates upward and the machine body descends. The elevating hydraulic cylinder 12 is configured to operate the machine body at a set height with respect to the height of the top and the bottom of the machine in accordance with the detection result of the sensor S for detecting the height of the upper surface of the machine body, 2) the operation body is moved up or down by an artificial operation of the operation mechanism disposed in the vicinity thereof.

When the left and right horizontal control hydraulic cylinders 15 are expanded and contracted, the balance bar 13 rotates about the center of the vertical axis connected to the piston rod ends of the elevating hydraulic cylinders 12 at the left and right central portions, The case 9 is alternately moved up and down to tilt the machine body to the left and right. The left and right horizontal control hydraulic cylinders 15 are configured to operate the machine body horizontally to the left and right in accordance with the detection result of the sensor detecting the left and right inclination of the machine body with respect to the horizontal.

The left and right front wheels 7 are fixed to the lower side surface of the arm portion extending downward from the right and left side portions of the front wheel supporting frame 16 provided so as to freely pivot about the axial center in the front- And is freely rotatable on the axle 17. Therefore, the left and right front wheels 7 are allowed to freely roll in the vicinity of the center of the longitudinal axis of the right and left center of the machine body.

The steering handle 2 is provided at the rear end of the machine body frame 2b having the front end fixed to the transmission case 8. The machine body frame 2b is disposed at a position biased to the right from the left and right center of the machine body and extends rearwardly and extends obliquely rearward and upward from the front and rear middle portions. The steering wheel 2 extends left and right at the rear end of the machine body frame 2b and each of the rear end portions serves as a grip portion 2a of the steering wheel 2. [ The left and right grip portions 2a of the steering wheel 2 are set at appropriate heights so that the operator can comfortably grip the grip portions 2a by hand. In the illustrated example, the grip portion 2a is configured to be separated from the right and left, but the right and left rear ends of the steering handle 2 may be connected to each other on the right and left sides, and the connecting portion may be a grip portion.

On the other hand, the traveling device 1 is of a four-wheel structure, but may be a two-wheel structure of only a pair of left and right driving wheels, or may be a press wheel that rotates on the upper surface instead of the front wheel. It may also be a track-type traveling device.

Next, the link mechanism 3 and the seedling-implanting apparatus 4 will be described.

3 to 5, the link mechanism 3 is mounted on an implantable transmission case 18 in which a transmission mechanism that receives power for driving a seedling-implanting apparatus and transmits electricity in the transmission case 8 is incorporated. The transfer case 18 includes a first case portion 18a whose front portion is connected to the rear of the mission case 8 and extends upwardly therefrom inclined rearwardly, And a third case portion 18c fixed to the left end of the second case portion 18b and extending downwardly in an inclined manner to the rear side of the second case portion 18b, A fourth case portion 18d fixed to an outer side portion of the lower end portion of the third case portion 18c and extending to the left side and a second case portion 18d fixed to the left end portion of the fourth case portion 18d, And a second case portion 18e. And a transmission mechanism for transmitting the power for raising and lowering the link mechanism 3 is incorporated in the first case portion 18a to the fifth case portion 18e. The transmission mechanism built in the first case portion 18a is provided with an intermittent drive mechanism for stopping the link mechanism 3 and the seedling-implanting mechanism 4 at the highest position or near the elevation operation for a set time, And a clutch mechanism for stopping the lifting operation of the link mechanism (3) and the seedling-implanting device (4). The time for stopping by the intermittent drive mechanism is controlled by the transmission mechanism of the intermittent drive mechanism so that the discontinuity interval of the seedling to be transferred by the seedling transplanting mechanism 4 is changed by the adjustment.

The link mechanism 3 includes a first lifting arm 20 connected to the left and right intermediate portions of a shaft 19 serving as an opening and closing support point on the front side of the seedling implant 4 so as to freely pivot, And a second lifting arm 22 connected to the left portion of the shaft 21, which is an opening / closing support point of the lifting arm 22, so as to freely pivot. The rear end of the first lifting arm 20 is connected to the lower end of the first swinging arm 23 freely pivotally connected to the fixed portion protruding from the upper rear portion of the third case portion 18c, The rear end of the second lifting arm 22 is connected to the lower end of the second swinging arm 24 that is freely swingable on the fixed portion protruding from above the fifth case portion 18e so as to freely pivot. The intermediate portion of the first lifting arm 20 protrudes from the lower right portion of the third case portion 18c and is fixed to the first driving shaft 25 for driving the driving circuit so that the driving circuit is connected to the front end of the first driving arm 26 And the intermediate portion of the second lifting arm 22 is fixed to the second driving shaft 27 that protrudes from the rear right portion of the fifth case portion 18e to be driven and the driving circuit 28 drives the second driving arm 28, So as to freely pivot. Therefore, when the first driving arm 26 and the second driving arm 28 are driven and rotated by the transmission mechanism in the transfer case 18, the first lifting arm 20 and the second lifting arm 22 move upward and downward, and as a result, the lower end portion of the seedling-implanting device 4 ascends and descends to an almost elliptical trajectory T that is vertically long when viewed from the side. The first driving arm 26 and the second driving arm 28 are all rotated counterclockwise when viewed from the left so that the lower end of the seedling-implanting device 4 is moved in a counterclockwise direction in a substantially elliptical locus (T). The lower end of the seedling grafting mechanism 4 at the lower end of the trajectory T is positioned at the lower edge of the field U in the course of the work while the seedling grafting mechanism 4 rotates up and down so as to draw the locus T in the rotating direction, The seedling grafting device 4 does not largely back and forth with respect to the web U, and the seedlings can be grafted in the correct posture without leaving large traces of grafting back and forth. When the bean-seedling transplanting mechanism 4 descends to the lowermost part of the ascending and descending operation, the beak-shaped seedling transplanting mechanism 4 is opened back and forth to release seedlings in the seedling transplanting mechanism 4 into the soil of the river U.

The seedling-plant transplanting mechanism 4 is formed into a beak-like shape extending downward, and is configured to be openable and closable back and forth. The front bezel 4F which is a front portion of the beak-like portion is connected so that its upper portion extends in an arm shape backward and the front end of the front beak portion 4F freely rotates on a shaft 21 serving as a rear opening / closing support point of the seedling implanted device 4, The rear beak 4B, which is the rear portion of the shape, is connected so that the upper portion of the rear beak 4B extends forward in an arm shape and freely pivots to the shaft 19 whose front end serves as an opening / closing support point in front of the seedling implanted device 4. [ The arm portion extending toward the rear of the upper portion of the front bezel 4F and the arm portion extending toward the front of the upper portion of the rear bezel 4B are connected to the front shaft 19 and the rear shaft 21 A nut 29 having a shaft portion in the horizontal axis direction is inserted and connected to the elongated hole formed at the front and rear central positions, and one of the front beak portion 4F and the rear beak portion 4B rotates in conjunction with the other operation, So as to be opened and closed in the forward and backward directions. The front beak 4F and the rear beak 4B are connected to each other by a spring 30 in a direction in which the seedling-implanting device 4 is closed. Further, an opening / closing arm 31 for opening and closing the seedling-implanting device 4 is freely rotatably connected to a shaft portion where the second lifting arm 22 and the second swinging arm 24 are connected to each other, The connecting rod 32 connects the front end of the arm 31 and the rear end of the upper portion of the rear bight 4B. A freely rotating roller 33 is provided at an intermediate portion of the opening and closing arm 31 so that when the roller 33 descends to the lowest position of the elevating operation, The opening and closing arm 31 is pivoted upward by the action of the cam 34 fixed to the shaft 28a fixed to the front end of the second driving arm 28 connected to rotate freely, The rear breech 4B is pivoted upward from the vicinity of the shaft 19 serving as the forward rotation supporting point and the front breech 4F is rotated upward from the vicinity of the shaft 21 as the rear pivot support point, The mechanism 4 is opened. Then, the seedling-implanting apparatus 4 is closed by the action of the cam 34 during the ascending. The cam 34, the opening and closing arm 31, the connecting rod 32 and the like constitute an opening and closing mechanism of the seedling-implanting device 4, but a known opening and closing mechanism may be employed.

A tubular guide body 35 for guiding the seedlings into the seedling planting device 4 is provided at the top of the seedling planting tool 4. The guiding body 35 is provided so as to protrude upward from the shafts 19 and 21 serving as opening and closing support points of the seedling-implanting mechanism 4, and the upper opening 35a of the guiding body 35 is guided by the seedling- 4) is located at the uppermost position such as the upper and lower positions of the grip portion 2a of the steering wheel 2 when the uppermost position of the handle 2 is located at the uppermost position, And seedling is supplied to the seedling transplanting apparatus (4).

The upper end opening 35a of the tubular guide 35 is formed to be wider than the lower end opening 35b and the upper end opening 35a is formed in the lower portion of the guide 35 when viewed from above the machine body. (A shaft 19 serving as an opening and closing support point in front of the seedling-implanting device 4 and a shaft 19 serving as an opening / closing support point in the illustrated example) of the seedling-implanting device 4 disposed near the outer periphery and the connecting portion (The connecting portion between the shaft 21 and the second lifting arm 22, which serve as opening / closing supporting points on the rear side of the connecting portion and the seedling-implanting device 4). (The cam 34, the opening and closing arm 31, the connecting rod 32, and the like) constituting the opening and closing mechanism of the seedling-implanting apparatus 4 are provided so as to overlap each other. The lower portion of the guide member 35 is vertically positioned between the front and rear sides of the shafts 19 and 21 serving as the opening and closing support points of the seedling-implanting apparatus 4. The support members 35, So as to support the lower portion of the guide body 35.

It is also possible to provide a guard body 36 covering at least the side face of the connection portion of the seedling-implanting mechanism 4 and the link mechanism 3 when the seedling-implanting mechanism 4 is located at the uppermost position, So that the guide body 35 protrudes upward. On the other hand, the guard member 36 covers the rear side as well as the side surfaces of the connection portion of the seedling-implanting device 4 and the link mechanism 3 when the seedling-implanting device 4 is located at the uppermost position in the illustrated example.

Therefore, in the seedling transplanting machine having the above-described configuration, during operation of the work, the bean-seedling transferring mechanism 4 capable of opening and closing is lifted and lowered by the link mechanism 3 that ascends and descends and the seedlings supplied in the seedling- . The supply of the seedlings into the seedling-plant transplanting mechanism 4 is carried out by manually putting the seedlings into the top opening 35a of the cylindrical guide 35 provided on the top of the seedling-planting apparatus 4, Guided by the guide body 35, falls into the seedling-plant transplanting mechanism 4, and a seedling is supplied into the seedling-planting apparatus 4. [

When the guide element 35 projects above the opening and closing fulcrums 19 and 21 of the seedling-implanting device 4 and the seedling-feeding device 4 is located at the uppermost position, (35a) is positioned near the upper and lower positions of the grip portion (2a) of the steering handle (2).

The upper end opening 35a of the tubular guide 35 is wider than the lower end opening 35b and the lower end of the lower end opening 35b of the seedling- ) And the link mechanism (3).

Further, the guard body 36 covers at least the side face of the connection portion between the seedling-implanting mechanism 4 and the link mechanism 3 when the seedling-implanting mechanism 4 is located at the uppermost position. However, the guide member 35 protrudes upward from the upper end of the guard member 36.

Therefore, the operator inserts the seedlings directly into the upper opening 35a of the tubular guide 35 provided on the upper portion of the seedling-planting apparatus 4 to supply the seedlings to the seedling-planting apparatus 4, Even when seedlings with long stems or light seedlings are used, it is difficult to prevent seedlings from falling exactly to seedlings, so that the seedlings can be accurately transferred even if they are different in kind, shape and size . In addition, since the upper opening 35a of the guide body 35 is positioned near the upper and lower positions of the grip portion 2a of the steering wheel 2 when the seedling implantation mechanism 4 is located at the uppermost position, The upper opening of the guide body is positioned at an appropriate height when the seedling is put in, so that the seedling can be easily inserted and accurately, and the work can be efficiently performed.

Furthermore, the seedling-seedling-feeding mechanism 4 (see FIG. 4) disposed in the vicinity of the lower outer periphery of the guide body 35 as viewed from above the machine main body has an upper opening 35a of the tubular guide 35 larger than the lower opening 35b The seedling is easily put into the upper opening 35a of the guide 35. When the seedlings are introduced into the guide 35, It is difficult for the hands and the like to come into contact with the linking mechanism 3 and the seedling-implanting device 4 that is moving up and down, and the work can be performed safely.

When the seedling-planting apparatus 4 is located at the uppermost position, the operator of the seedling-planting apparatus 4 and the linking apparatus 3 The hands and the like are brought into contact with the side surface of the linking mechanism 3 and the seedling-transferring mechanism 4 and the linking mechanism 3, which move up and down when the seedlings are put into the guide body 35, The guiding body 35 protrudes upward from the upper end of the guiding body 36 so that the guiding body 35 can be guided by the guiding body 35 while the guiding body 36 is provided, It is possible to easily carry out the operation of injecting the gas into the reactor.

Reference numeral 37 in Fig. 1 to Fig. 2 denotes a base plate for preliminarily placing seedlings. Reference numeral 38 denotes a seedling grafting mechanism 4 that covers the grains implanted in the buoys U from the left and right sides, And a freely rotating wheel body.

Next, as an embodiment of the present invention, an onion vegetable transplanting machine, which is an example of a seedling transplanting machine having a different structure from that described above, will be described in detail with reference to Figs. 6 to 17. Fig.

The vegetable transplanting machine 51 includes a left and right seedling feeding device 54, a left and right seedling planting device 54, and a right and left seedling feeding device 54, while advancing the machine body in a state of riding over the ridge U by a running portion 51a having traveling wheels 52, (Pot) seedlings of vegetable are transplanted to the surface of the ridge (U) by the transplanting portion (51b) composed of the root portion (55) or the like. The operator appropriately steers the machine body with the steering wheel 56 provided on the rear side of the machine body and feeds the seedlings to the left and right seedling feeder 54 while hanging the side of the machine body during the transplanting operation. Hereinafter, the configuration of each part will be described.

An engine 59 is disposed in a front portion of the travel portion mission case 57 in the travel portion 51a. On the left side of the engine 59, a hydraulic pump 60 driven by the power of the engine 59 is provided. A fuel tank 61 and the like are provided above the engine 59, and the bonnet 62 covers the upper portion thereof. A connecting frame 63 extending in a rectangular shape laterally as viewed from the side is integrally provided on the rear part of the traveling part transmission case 57. A driving part 51a and a driving part 51b are provided at the right end of the back surface of the connecting frame 63 The front end of the main frame 64 connecting the steering wheel 56 is fixedly connected. The main frame 64 extends backward, curves upwardly in the middle, and extends to the rear of the implant 51b. Then, the steering handle 56 is fixedly attached to the end portion.

A traveling transmission case 66 is integrally provided in a rotation pipe portion 65 projecting from the left and right sides of the traveling portion transmission case 57. A rear wheel 52, which is a driving traveling wheel, is provided at the front end portion of the traveling transmission case 66, Is installed. The left and right end portions of the front wheel supporting frame 67 provided so as to freely swing about the pivot axis 67a in the front and rear direction are formed at the lower side of the engine 59 as cylindrical bodies 67b, The right and left front wheel supporting rods 67 are respectively inserted into the right and left front wheel supporting cylinders 67e in the vertical direction fixed to the ends of the left and right front wheel supporters 67c respectively And is provided with fixing bolts 67f so as to be adjustable in height. Left and right front wheels 53, which are driven running wheels, are provided at the lower ends of the right and left front wheel support rods 68, respectively.

Since the left and right front wheels 53 have the same constitution in the left and right symmetry, the fixing pin 160 is fixed to the cylinder 67b fixed to the right end of the front wheel supporting frame 67, And the fixing pin 160 is inserted into the shaft 67d of the right front wheel supporting body 67c at predetermined intervals in the left and right direction so as to be passed through in the front and rear direction A plurality of through holes 162 are formed. The front pin 53 is slightly moved in the left and right direction of the main body of the machine by pulling out the fixing pin 160 and then the right pin 160 is pulled to the proper through hole 162 of the hole 161 of the cylinder 67b and the shaft 67d The left and right positions of the front wheel 53 can be adjusted by inserting and fixing the front wheel 53 in a penetrating manner.

Reference numeral 170 denotes a bimetal guide roller mechanism, and the bimetal guide roller mechanism 170 is also symmetrical in the left and right direction, so that the structure on the right side will be described in detail. The guide roller mechanism 170 is provided at its one end with a support cylinder 171 in the vertical direction that is fitted to the outside of the front wheel support rod 68 and rotatably supports the support cylinder 171 And the support plate 173 is welded and fixed to the outer periphery of the front end of the bearing cylinder 172. Further, a hole 175 through which a bolt 174, which will be described later, can be inserted is formed in the upper part of the support plate 173. The rear end of the support shaft 177 is inserted into the bearing cylinder 177 while the rear end of the support shaft 177 is welded to the contact plate 176 in contact with the support plate 173 . A guide roller shaft support tube 178 is welded and fixed to the front end portion of the support shaft 177. A guide roller shaft 179 is inserted into the guide roller shaft support tube 178 to be inserted into the guide roller shaft support tube 178, And is fixed with a fixing bolt 180 freely. A guide roller 181, which is a kind of a guide guide member that rotates in contact with the side surface of the guide roller shaft 179, is supported at a lower end of the guide roller shaft 179 so as to freely rotate.

A long hole 182 is formed in the contact plate 176 along the outer periphery of the support shaft 177. The fixing bolt 174 is inserted into the long hole 182 and the hole 175 of the support plate 173 The contact plate 176 is fixed by the nut 174a so that the contact plate 176 and the plate 173 are fixed to each other. However, the contact plate 176 can be adjusted in the direction along the outer periphery of the support shaft 177 by the long hole 182 That is, the guide roller 181 is configured to be able to adjust the inclination. The support cylinder 171 is configured to adjust the vertical position of the support rod 171 with respect to the front wheel support rod 68 so that the support cylinder 171 can be fixed by the fixing bolt 200, .

Therefore, the left and right front wheels 53 and the left and right guide rollers 181 are configured to be adjustable in the right and left direction of the machine body in right and left directions respectively, and the left and right guide rollers 181 are adjustable in height, . The left and right front wheels 53 and the left and right guide rollers 181 are fixed by the fixing pins 160 by adjusting the position in the machine body left and right direction in accordance with the width of the rim, The upper and lower positions of the guide roller 181 are adjusted so that the lower ends of the left and right guide rollers 181 abut against the lower portion Q of the ridge. Since the left and right guide rollers 181 reliably follow the side and bottom portions Q of the tongue when the machine body is advanced for implanting seedlings by adjusting the position of the left and right guide rollers 181, Properly moving along the ridge, the seedlings can be appropriately transplanted to the ridge.

The running portion 51a is provided with a machine body control mechanism for controlling the position of the machine body by vertically moving the rear wheel 52 relative to the machine body. The machine body control mechanism includes a lift cylinder 71 provided rearward from the hydraulic valve unit 70 disposed on the drive part mission case 57. The machine body control mechanism includes a lifting cylinder 71 provided at the front end of the piston rod of the cylinder 71, (72) is freely pivoted about the axis in the vertical direction. Both ends of the piston rod slide along the guide shaft 74 supported by the hydraulic valve unit 70 and the fixing member 73 provided on the main frame 64. Left and right ends of the balance bar 72 and a swing arm 75 fixed to the rotating pipe portion 65 are connected through a connecting rod 76. [ The connecting rod 76 on the left side is fitted in the rolling cylinder 77 and is adapted to change its length by stretching and operating the cylinder 77.

The elevating cylinder 71 and the rolling cylinder 77 are operated by controlling the hydraulic fluid supplied from the hydraulic pump 60 to a control valve (not shown) in the hydraulic valve unit 70. When the lifting cylinder 71 is stretched and contracted, the left and right rear wheels 52 move up and down with respect to the machine body by the same amount in the same direction, thereby raising and lowering the machine body. When the rolling cylinder 77 is extended and retracted, the left and right rear wheels 52 are moved up and down relative to the machine body by the same amount in the reverse direction, and the machine body is tilted to the left and right.

The lower portion of the implantable submission case 80 that is driven by the drive part mission case 57 is fixed to the upper surface of the connection frame 63 and the lower right side surface One end of the right first transfer case 81 is fixed to the front end of the right first transfer case 81. Further, one end of the right transfer case 82 is fixed to the front end of the right first transfer case 81. [ Further, the respective operating mechanisms of the right seedling implanting device 55, which will be described later, are connected to the right first transferring electric case 81 and the right transferring electric case 82. One end of the left transfer case 82 is fixed to the left side of the implantation submission case 80 and the left side seedling transfer case 82 and the left side seedling transfer case 82, And the respective operating mechanisms of the implanting device 55 are connected. Each of the seedling-implanting apparatuses 110 of the left and right seedling-implanting apparatus 55 is arranged laterally in the lateral direction behind the running section 51a. The left and right seedling supplying apparatuses 54 and the seedling racks 106 are installed on the upper frame 84 having one end fixed to the transplant submission case 80 so as to be positioned above the left and right seedling transfer apparatus 110 have. The left and right seedlings supply device 54 is disposed so as to overlap with the left and right direction B by shifting the position in the front and back direction of the machine body and is disposed so that the seedling feeding position P to be described later is close to the left and right direction . That is, it is a conventional farming method in which the interval of giving and dropping of the onion and the wave is narrow. However, the seedling feeding position P is arranged close to the left and right so as to cope with it.

The input shaft 80a of the transplant submission case 80 protrudes forward from the lower end of the case 80 and is inserted into the PTO take-out portion 57a of the travel portion transmission case 57, So as to transmit power to the shaft of the traveling portion in the PTO take-out portion. Further, the transplantation submission case 80 is detachably attached to the connection frame 63 by means of bolts 85. The engaging portions 51b can be removed from the running portion 51a by removing the bolts 85 and pulling the input shaft 80 from the PTO takeout portion 57a, Maintenance can be easily performed.

The transplantation submission case 80 is installed on the rear side from the connection frame 63 and the right first transplantation transmission case 81 is installed rearwardly and downwardly from the upper end of the transplantation mission case 80 And the right second transplantation transmission case 82 is provided horizontally at the lower end of the right first transplantation transmission case 81. With this configuration, a space for moving the balance bar 72 is ensured below the second transfer case 82, without making the front and back length of the machine body longer than necessary.

The right and left seedlings supply device 54 has a turntable 91 in which a plurality of seedling supply cups 90 are arranged at regular intervals on the circumference. The turntable 91 is installed on a support plate 92 fixed to the upper frame 84 so as to freely rotate around a central axis 93. A ratchet wheel 95 is mounted on the central shaft 93 and a ratchet stopper 96 for applying a force in a direction in which the ratchet wheel 95 is engaged with the ratchet wheel 95 is fitted And is provided on the ratchet arm 97. The ratchet arm 97 and the seedling feeding drive arm 99 which operate integrally with the front link supporting arm 117B are connected via the seedling feeding drive rod 100 and the seedling feeding drive arm 99 is pivoted The turntable 91 rotates intermittently by the fixed interval of the seedling supplying cup 90 in synchronism with the operation of the seedling transplanting apparatus 55.

At the bottom of each seedling supply cup 90, there is provided a shutter 102 which is freely opened and closed. A C-shaped shutter closing rod 103 is provided at a height which is in contact with the bottom of the seedling supplying cup 90 and a seedling located at a seedling feeding position P corresponding to the broken portion of the shutter closing rod 103 The shutter 102 of the supply cup 90 is opened by the weight or the weight of the seedlings but the shutter 102 of the seedlings supply cup 90 is restricted by the shutter closing rod 103 and is closed.

A seedling tray 106 is provided in front of the seedling feeder 54 on a fixed rod 106a protruding forward from the upper frame 84. Three seedlings trays are arranged side by side in the left- .

A seedling of a seedlings tray loaded on a seedling rack 106 is supplied to each seedling supply cup 90 by the hand of a person. When the seedling supply cup 90 that has entered the seedling supply cup 90 by the rotation of the left and right turntable 91 moves to the seedling feeding position P, the shutter 102 is opened and the seedling is transferred to the respective seedling- (110).

The left portion of the left seedling supply unit 54 and the rear portion of the left rear wheel 52 are space portions A for the seedling replenishing work while the operator is walking in accordance with the progress of the machine body. When the worker performs the seedling replenishing work while hanging the space A, the interface between the covering wheel 130 is visible through the gap between the left and right seedling supplying device 54 and the steering wheel 56, You can work on seedlings while monitoring the situation.

On the other hand, as shown in the side schematic view of Fig. 10 (a), the shape of the seedling supplying cup 90 can be constricted in the middle part. As a result, the seedlings can be reliably dropped in the seedling transplanting apparatus 55. Conventionally, as shown in the schematic side view of Fig. 10 (b), when the seedling-feeding cup 90 'having the trumpet shape at the upper part is used in order to easily insert the seedlings when the seedlings are large and the leaves are hard, Even a seedling supply cup 90 'can be accepted in. However, since it is difficult to pass through the seedling feeder cup 90 'and the seedlings can not be dropped to the proper position even in the seedling transplanting apparatus 55', the seedling transplanting apparatus 55 ' ) In some cases.

The seedling transplanting apparatus 55 has a cup-shaped seedling transplanting apparatus 110 having a sharp bottom. The seedling-grafting apparatus 110 is composed of a front member 110a and a rear member 110b and includes a front member fixed arm 111a, which is supported so as to freely pivot on a front member rotating shaft 111A positioned behind the seedling- The front member 110a is integrally provided in the rear member 112A and the rear member fixing arm 112B supported to rotate freely on the rear member rotating shaft 111B positioned in front of the seedling- ) Are integrally provided. Therefore, when both the members 110a and 110b rotate with the pivot shafts 111A and 111B as fulcrum points, the bottom of the seedling transplanting mechanism 110 is opened and closed. The front member 110a and the rear member 110b are interlocked and rotated by the interlocking pin 113 that is movably fitted in the elongated hole formed in the front member fixing arm 112A and the rear member fixing arm 112B. Between the leg portion 112aA of the front member fixing arm 112A and the leg portion 112aB of the rear member fixing arm 112B is provided a spring for applying an elastic force to the front member 110a and the rear member 110b, (Not shown). The seedling-plant transplanting mechanism 110 performs a predetermined operation by the following operating mechanism.

A rear link support arm 117A is provided so as to freely pivot on a support portion 83a protruding upward from the second transplantation transmission case 82 and a rear link 118A having one end hinged to the support arm 117A, Is connected to the rear end of the front member rotating shaft 111A. The rear link drive arm 119A provided at the rear end of the second transfer case 82 is connected to the intermediate portion of the rear link 118A. A front link support arm 117B is provided on the transplantation submission case 80 so as to freely pivot and a rear link member 118B is provided at the rear end of the front link 118B with one end hinged to the support arm 117B. (111B) are connected. A front link drive arm 119B provided at the rear end of the first transfer case 81 is connected to the middle portion of the front link 118B. When both the driving arms 119A and 119B are driven to rotate, the rear link 118A and the front link 118B swing up and down while changing the position of the end portion back and forth, and while the seedling- It works up and down. Therefore, the link mechanism is constituted by the rear link 118A and the front link 118B.

As shown in Fig. 6, the operation locus K (operated in the direction of the arrow in Fig. 6) drawn by the lower end of the seedling plant 110 is such that the lower end portion of the locus is located behind the machine body with respect to the upper portion of the locus, The trajectory of the lower end penetrating the field for transplanting the seedlings into the field is set to be almost vertical (vertical) Orient the seedlings perpendicular to the field. Furthermore, since the trajectory of the lower end is sharp, the hole in the field becomes small, and even in the field where the multi-film is attached, the hole of the multi-film can be made very small, and the growth of the seedling after the transplant is very good. Particularly, when the seedling of the onion is transplanted, the distance between the anchors is narrowed to 10 to 12 cm, but since the locus of the lower end of the seedling transplanting apparatus 110 is sharp (the front and rear width is very narrow) The seedling transplanting apparatus 110 hardly pulls the soil of the field in the traveling direction at the time of transplantation, and the transplanting of the seedlings having the narrowing interval of 10 to 12 cm can be satisfactorily performed.

Therefore, according to the operation locus K at the lower end of the seedling-plant 110, even seedlings that are narrowly transplanted at an interval of 10 to 12 cm like an onion can be easily transplanted to the field And the growth of seedlings after implantation is also good.

In addition, the shape of the lower part of the seedling-plant transplanting mechanism 110 is a beak-like shape so that the seedlings can enter straightly. On the inner surface of the lower end part, onion seedlings A spherical portion having a specific spherical portion of onion, a spherical portion having a spherical portion of 7 mm to 10 mm in width), and a shape such that seedlings of onion enter the lower end portion of the seedling- Respectively. Therefore, when the lower end of the seedling transplanting apparatus 110 is opened after the lower end of the seedling transplanting apparatus 110 is opened, the seedlings of the onion are located at the lower end of the seedling transplanting apparatus 110, The distance of dropping of onion seedlings is very small on the top, and the seedlings are very good in transplanting condition. On the other hand, if the shape of the lower part of the seedling-planting apparatus 110 is in the form of a thin beak that allows the seedlings to enter the whole (see Fig. 14), the seedlings of the onion do not reach the lower end of the seedling- (110) is opened and opened, the distance of dropping of the onion seedlings on the soil becomes large, and the transplanting state of the seedlings is unstable.

Closing arm 121 is provided at one end of the rear link 118A so as to freely rotate and the front end of the opening and closing arm 121 and the front member fixing arm 112A are connected by an opening and closing rod 122. [ An opening / closing cam 123, which rotates integrally with the rear link drive arm 119A, is provided at an intermediate portion of the rear link 118A. A roller 124 as a cam follower of the opening and closing cam 123 is provided on the opening and closing arm 121. The opening and closing cam 123 is hooked on the roller 124 by a stroke in which the seedling-implanting apparatus 110 is lifted from a position near the bottom dead center. When the opening and closing cam 123 is caught by the roller 124, the opening and closing rod 122 is pulled so that the front member 110a and the rear member 110b interlock with each other to rotate and the seedling-implanting apparatus 110 is opened. When the opening and closing cam 123 is not caught by the roller 124, the seedling-implanting apparatus 110 is closed by the tension of the spring 114.

When the seedling-implanting apparatus 110 is at the top dead center, the seedlings are dropped and supplied by the seedling-supplying device 54. The supplied seedlings are introduced into the seedling-planting apparatus 110 through the tubular seedling guide 126 provided on the front member rotating shaft 111A and the rear member rotating shaft 111B. The seedling grafting apparatus 110 containing the seedlings descends and the lower portion of the seedling grafting apparatus 110 penetrates into the surface portion of the slurry at the bottom dead center to form a hole for seedling grafting. Simultaneously with this, the seedling transplanting apparatus 110 opens and discharges the contained seedling into the seedling-implanting hole. In this state, the seedling-plant transplanting mechanism 110 is lifted up to the vicinity of the top dead center, and then the seedling-plant transplanting mechanism 110 is closed.

On the other hand, the left second transplantation transmission case 82 is located on the left side of the seedling transplanting apparatus 55. A cover 127, which is fixed to the left second transplantation transmission case 82 and covers the rear portion from the left portion of the seedling-plant transplanting mechanism 110, is provided. The left second transplantation transmission case 82 and the cover 127 prevent the operator from interfering with the seedling transplanting apparatus 55 during the seedling replenishing operation.

At the rear of the left and right seedling implantation positions, a pair of left and right complementary wheels 130 are provided. The load wheel 130 is installed at an oblique angle so that the distance between the wheels becomes narrower toward the bottom and is urged downward by a spring 131 fixed to the rod 142 so as to be movable. The seedlings are rotated, and the soil accumulated around the seedlings after the seedlings are grafted is dropped so that the holes are repainted and lightly pressed.

As described above, since the operation locus K drawn by the lower end of the seedling-implanting apparatus 110 is such that the lower end portion is located behind the machine body with respect to the upper portion of the trajectory, the covering earth action of the covering wheel 130 occurs A seedling is transplanted by the seedling transplanting apparatus 110 immediately before the implantation, and the transplanted seedlings are soon covered by the covering wheel 130, so that the transplanting posture of the seedling can be stabilized to be stable, and good seedling transplanting work can be performed.

The covering wheel frame 132 provided with the covering wheel 130 is supported by the grafting depth adjusting guide frame 133 so as to freely pivot up and down. The guide hole 134 is formed with a plurality of engaging portions 134a on the guide depth adjusting guide frame 133. An engaging depth adjusting lever 135 Are freely slidably fitted. When the grafting depth control lever 135 is inserted into the engaging portion 134a of the guide groove 134, the fittail wheel frame 132 is fixed so as not to rotate. Therefore, the attachment height of the covering wheel 130 can be set in a plurality of stages by the operation of the implantation depth control lever 135. As a result, the transplanting depth of the seedlings is controlled stepwise.

The graft depth control guide frame 133 is installed at a rear end of a swing frame 137 which is vertically and freely swingably supported on a support frame 136 fixed to the front and rear middle portions of the main frame 64. The swing motion of the dovetail wheel frame 131 due to the up-and-down movement of the dovetail wheel 130 is transmitted to the hydraulic valve 131 through the interlocking mechanism 138, The lift cylinder 71 is operated in the direction in which the angle of the swing frame 137 returns to the original position. As a result, the machine body is elevated and lowered to maintain a constant height from the surface of the ridges to the machine body.

The main frame 64 is provided at the back of the main frame 64 with a loose fitting ring 140. The main frame 64 is rotatably supported by a rod 142 are fixed with pins. When the locking wheel 140 is engaged with the locking portion 143a of the guide groove 143, the locking wheel 130 is fixed at a predetermined height with respect to the machine body, so that the elevation control does not function. The covering wheel 130 is fixed by the above-described method in order to prevent the seedling-implanting apparatus 55 from operating when the machine body is raised to the non-working position, or to prevent the covering wheel 130 from moving during transportation.

The rolling hydraulic valve in the hydraulic valve unit 70 is interlocked with the movement of the pendulum 145 for detecting the inclination of the left and right tilt. When the machine body is tilted to the right and left, the rolling cylinder 77 operates properly, To the left and right.

The control handle 56 has a "C" shape in a plan view, both ends of which extend backward, and a grip 56a is provided at both ends. At the time of turning or running on the road, the operator holds the grip 56a and steers it.

A side clutch lever 150 is provided below the grip 56a. The manipulation panel 151 is provided at one end of the manipulation handle 56 and the connection and disconnection manipulation of the implantation clutch that transmits power to the right and left seedling-supplying device 54 and the right and left seedling- An implantable lifting lever 152 for lifting and lowering the machine main body, a main clutch lever 153 for connecting and disconnecting the main clutch, and the like. Reference numeral 154 in Fig. 6 is a release interval adjusting lever for changing the driving speed of the implantation section 51b with respect to the rotational speed of the left and right driving rear wheels 52 to adjust the implantation interval of the seedling.

A handle 156 fixed to the steering handle 56 is provided at a rear portion of the seedling feeder 54 and an auxiliary main clutch lever 157 is provided at the handle 156. The worker holds the handle 156 by holding the handle 156 when the operator loses the balance in spreading the seedlings while walking the space portion A on the side of the seedling feeder 54. If it is necessary to stop the work urgently, the auxiliary main clutch lever 157 is stopped, and the operation is stopped while maintaining the position.

The left and right front wheels 53 and the left and right rear wheels 52 are moved forward along the grooves of the grooves so that the operator can move the left and right rear wheels 52 in the space A The seedlings of the seedlings trays mounted on the seedling rack 106 are supplied to the seedlings supply cups 90 of the left and right turntables 91. [ When the respective seedling supply cups 90 that have entered the seedling by the rotation of the left and right turntable 91 are rotated to the seedling feeding position P, the shutter 102 is opened and the seedling is fed to the seedling- And falls into each of the seedling-implanting apparatuses (110). Immediately after each seedling-implanting apparatus 110 transplants the seedlings into the ditch, the left and right pair of complementary wheels 130 lightly press the left and right portions of the seedlings.

Therefore, when one operator pours seedlings into the seedling feeder 54 composed of the left and right turntables 91 in the space portion A on one side of the machine body, the seedlings are fed by the right and left seedling feeders 54, A seedling is supplied to each of the seedlings 55 so that seedling transplantation of plural seedlings can be performed well on the lane.

Since the left and right turntables 91 are installed at positions overlapping with each other in the left and right directions by B, the operator can move the left turntable 91 to the seedling supply cup 90 of the left turntable 91 in the space portion A, The seedlings supply cup 90 of the right turntable 91 is also located relatively close to the right and left turntables 91 so that the seedlings can be supplied to both the seedlings supply cup 90 of the left and right turntables 91 in a comfortable posture, Moreover, the work efficiency is good.

In the above embodiment, the left and right turntables 91 are provided at positions overlapping with the left and right directions by B, but the left and right turntables 91 are arranged at the same position in the front and back directions when viewed from the side of the machine body It is needless to say that the left and right seedling-implanting apparatuses 110 may also be provided at the same position in the front and back direction when viewed from the side of the machine body, and the seedlings may be implanted at the same position when viewed from the side . In addition, although an example of a two-row seedling transplanting apparatus is shown in the above embodiment, the present invention is also applicable to a three-row transplanting apparatus in which other seedling supplying apparatuses are added to the left (or right) It may be applied to a four or more thermal transfer type transfer machine.

According to the invention of claim 1, since the distance at which the seedlings fall onto the soil becomes very small after the bottom end of the seedling-plant-implanting apparatus is opened, the seedling-planting state can be made very good.

According to the invention of claim 2, seedling transplanting apparatus can graft seedlings perpendicularly to a field, so that seedling can be favorably planted in a straight line with respect to a field. Furthermore, since the pores of the multi-film can be made very small even in the field where the multi-film is laid, the growth of the seedlings can be made very good after the transplanting. Furthermore, even in a grafting operation in which aeration interval is narrow, since the seedling grafting mechanism rarely pulls the soil of the field in the traveling direction, the seedling grafting can be performed well.

According to the invention described in claim 3, seedlings can be surely dropped and supplied at appropriate positions in the seedling transplanting apparatus irrespective of the size and kind of seedlings, and seedlings can be easily transplanted.

According to the invention as set forth in claim 4, even in the case of seedlings with long stems or light seedlings, when seedlings are caught and do not drop accurately on the seedling transfer apparatus as in the conventional case, You can even get them to be ported correctly. In addition, when the worker inserts the seedlings into the guide body, the top opening of the guide body is positioned at an appropriate height, so that the seedling can be easily inserted and accurately, and the work can be efficiently performed.

According to the invention as set forth in claim 5, it is possible to easily insert a seedling into the upper opening of the guide body, and it is less likely that the hands or the like come into contact with the linking mechanism from the upper side, It can be done safely.

According to a sixth aspect of the present invention, an operator who performs a seedling supplying operation while walking between seedlings is placed on the side surface of the machine body, but the hand or the like comes into contact with the side surface of the seedling- Since the guide body protrudes upward from the upper end of the guard body, it is possible to easily insert the seedlings into the guide body while installing the guard body.

Claims (6)

A seedling transplanting machine comprising a seedling transferring mechanism that is operated to move up and down by a link mechanism and a running section, and the seedlings are dropped and supplied into the seedling transferring machine, Wherein the lower portion of the seedling-implanting apparatus is formed into a beak-like shape capable of opening and closing, and the inner surface of the lower end of the beaked shape is curved. The method according to claim 1, Wherein the operation locus of the lower end of the seedling implant drawn by the link mechanism is set so that the lower end of the locus is located behind the machine body and the lower end of the locus is sharp. A seedling transplanting machine provided with a movable seedling grafting mechanism capable of being opened and closed by a link mechanism and a running section, and in which seedlings are dropped and supplied into the seedling grafting mechanism, Wherein the middle part of the seedling-supplying cup which is supplied by dropping the seedlings into the seedling plant is constricted. A seedling transplanting machine provided with a movable seedling grafting mechanism capable of being opened and closed by a link mechanism and a running section, and in which seedlings are dropped and supplied into the seedling grafting mechanism, And a cylindrical guide body for guiding a seedling in the seedling planting unit is provided above the opening and closing support point of the seedling planting unit and installed on the seedling planting unit , And the upper opening of the guide body is provided so as to be positioned in the vicinity of the upper and lower positions of the steering wheel grip portion when the seedling-implanting mechanism is located at the uppermost position, and the operator inserts the seedling directly into the upper- Wherein the feeder is configured to feed the seedlings. 5. The method of claim 4, The upper end opening of the tubular guide body is formed to be wider than the lower end opening of the tubular guide body and the upper end opening of the tubular guide body is connected to the linking mechanism Wherein the seedling plant is installed so as to overlap on the upper side. 5. The method of claim 4, And a guiding body which covers at least a side surface of a connection portion of the seedling-implanting apparatus and the link mechanism when the seedling-implanting apparatus is located at the uppermost position, and the guide body is provided so as to protrude upward from the upper end of the guarding body Transplant.