KR102296261B1 - Seedling planting apparatus - Google Patents

Abstract

The present invention relates to a seedling planting apparatus. With the present invention, seedlings can be planted at a predetermined depth and a predetermined angle in response to a ridge height, furrow surface conditions, and the like. The present invention includes: a vehicle body; a pair of front wheels and a pair of rear wheels installed in the front and back of the vehicle body, respectively; a wheel drive unit transmitting rotational power to the front and rear wheels; a seedling supply unit installed on the upper side of the back of the vehicle body; a seedling planting unit installed on the lower side of the seedling supply unit in the vehicle body and ridge-planting a seedling supplied by the seedling supply unit; and a gap maintaining unit adjusting the height of the vehicle body with reference to each rear wheel side in accordance with the height of a ridge so that the gap between the ridge and the seedling planting unit can be kept constant.

Description

Seedling planting machine {SEEDLING PLANTING APPARATUS}

The present invention relates to a seedling planter for automatically planting various kinds of seedlings on the bedbank. In particular, it is possible to adjust the height of the car body and the shovel for planting seedlings installed therein to match the height of the bedbank, so that the seedlings can be planted on the bedbank. It is a technology related to a seedling planting machine that can be planted at a certain depth and can plant a seedling with a certain amount of water by connecting a hose for water supply to the hopper where the seedlings are stored.

In general, plants such as Chinese cabbage, cabbage, broccoli, corn, pepper, and beans are sown and germinated in a seedling plate of a certain shape and then transplanted to the ground in order to increase the germination success rate and to manage efficiently before planting. At this time, when planting seedlings on the ridge, the seedlings have been planted through a number of processes of first digging a pit, watering the pit, and then inserting the seedling and covering it with soil.

If the seedling formal work like this was done by hand, the worker had to manually pull the seedlings out of the seedling board and plant them. In addition, since it requires a lot of time and labor, there was a problem in that work efficiency was lowered accordingly.

In order to solve this problem, a technique for a seedling planter to make it easier to perform a line of work for planting seedlings includes:

Republic of Korea Patent Registration No. 10-1269923 (Registered on May 27, 2013, hereinafter referred to as 'Document 1') 『A seedling transplanter with easy height and speed control』 is presented,

Document 1 relates to a front wheel drive part in which a front wheel is connected by a chain to a drive shaft located on the upper side and a drive motor for rotating the drive shaft is installed, and an operation link is connected to both upper sides of the drive shaft, respectively, a connection between the operation links A shaft is installed and a drive link operated by a rotation cam connected to a drive motor is installed so that the connecting shaft rotates in both directions around the drive shaft. The shaft rod is vertically connected and a handle is installed on the top of the rear wheel height adjustment unit, and the seedling is seated on the upper part of the frame between the front wheel and the rear wheel and a seedling supply member is installed so that it can be discharged to the lower side, and the seedling supply member is separated from the lower side A seedling transplantation part in which a planting hopper for transplanting the seedlings to be used is installed on the ridge, a handle part extending from both sides on the frame toward the rear side of the rear wheel, and installed on the side of the handle part, the front wheel drive part, the front wheel height adjustment part and a controller for controlling the operation of the seedling transplant unit, thereby making it easy to adjust the height and speed, so that the distance between the seedlings to be transplanted to the ridge can be freely adjusted.

As another technique, Korean Patent Registration No. 10-1869462 (registered on Jun. 14, 2018, hereinafter referred to as 'Document 2') 『Sapling transplanter capable of adjusting the position of the grafting part』 is proposed,

Document 2 is a seedling transplanter for transplanting seedlings into the ridge while moving along the ridge, and includes a transplant tube into which the seedlings are fed and supplied; a connecting body in which both unit bodies are rotatably coupled to each other while the unit bodies are respectively rotatably coupled to the implantation tube; and a transplant hopper in which the unit hoppers are movably coupled to both unit bodies of the connecting body, and both unit hoppers are coupled and separated in contact with each other to transplant the seedlings into the ridges; by including, the height of the ridges to be transplanted is one It is a technology related to a seedling transplanter that can adjust the position of the transplantation part so that the seedlings can be transplanted uniformly even on a sloped ridge or slope by adjusting the position of the transplant hopper of the seedling transplanter so that it is provided in a straight line up and down even on a slope or slope without standing still.

As another technique, Korean Patent Publication No. 10-2020-0012313 (published on Feb. 5, 2020, hereinafter referred to as 'Document 3') 『One-handed seedling transplanter with cover soil function』 is proposed,

Document 3 has an inner support tube in the form of a pipe that is connected to the handle at the top to receive power directly and supply water to the inside, one end is combined with the inner support tube, the other end is combined with the implantation device, and the central axis is the outer support tube. A link device that is connected to the inner support tube as a means for pulling the implantation device, and a guide device that directly guides or assists the vertical movement of the inner support tube and the implantation insertion device, and is coupled with a depth adjustment device at the bottom A loader connected to the implant body is coupled to one end of the linkage, and the seedling transplantation operation is performed by manipulating the inner support tube. and a support chin locking device which is composed of a sum of a support spring device and a locking plate device, one side is coupled to the outer support tube, and the other is coupled to the inner support tube or link device in pairs, and the outer support By including a cover shovel device that is fixedly or detachably connected to the tube and operates a cover shovel by operation of the inner support tube to perform cover work, sowing seeds of various crops and growing in pots or in the open field When transplanting young seedlings of vegetables such as peppers, beans, sesame seeds, and Chinese cabbage into the field, including the way they are grown, the transplantation or sowing operation is completed by holding the transplant device with one hand and simply inserting it into the ground and then pulling it out. It is a technology related to a one-handed seedling transplanter with a cover function that not only enables a one-touch method, but also completes compulsory cover work at the same time.

Document 1. Korean Patent Registration No. 10-1269923 (Registered on May 27, 2013) Document 2. Korean Patent Registration No. 10-1869462 (Registered on Jun. 14, 2018) Document 3. Korean Patent Publication No. 10-2020-0012313 (published on Feb. 5, 2020)

The present invention is a seedling capable of planting the seedlings at a certain depth and at a certain angle in the pitchfork by adjusting the height and inclination of the car body and the planting inserts for seedlings installed therein according to the height or inclination of the furrow as well as the height of the furrow. Its purpose is to provide a setter.

Furthermore, an object of the present invention is to provide a seedling planter capable of planting a certain amount of water together with the seedling during planting by supplying a certain amount of water into the hopper while the seedling is accommodated in the hopper provided on the upper part of the insert.

In order to solve the above problems, the seedling planting machine according to the present invention,

car body;

a pair of front wheels and a pair of rear wheels installed on the front and rear sides of the vehicle body, respectively;

a wheel driving unit transmitting rotational power to each of the front wheels and each rear wheel;

a seedling supply unit installed on the rear upper side of the vehicle body;

a seedling planting unit installed on the lower side of the seedling supply unit in the vehicle body and for planting the seedlings supplied by the seedling supply unit to the ridge; and

a distance maintaining unit for maintaining a constant distance between the paddy field and the seedling planting unit by adjusting the height of the vehicle body body based on the rear wheel side according to the height of the paddy field;

It is characterized in that it includes.

The seedling planting machine according to the present invention,

According to the height of the mound and the road surface condition of the furrow, the car body and its seedling planting insert are displaced and angled to plant the seedlings at a certain depth and at a certain angle.

1 is a side view showing a seedling planting machine according to the present invention;
2 is a plan view showing a seedling planter according to the present invention;
3 is a front configuration view showing a seedling planting machine according to the present invention;
4 is a plan view showing the wheel drive unit, the distance maintaining unit and the angle change unit;
5 is a partial side configuration view for showing the angle change unit;
6 is a partial side configuration view for showing the interval maintaining unit and the changing angle unit;
7 is a partial front configuration view for showing a seedling supply unit and a seedling settling unit;
Figure 8 is a plan view of Figure 7;
9 is a front configuration view for showing the door open state of the port and the seedling settling unit;
10 is a front configuration diagram showing the water supply means of the first embodiment in the seedling settling unit;
11 is a front configuration view showing the operating state of the seedling settling unit and the water supply means of the second embodiment;
12 and 13 are some side configuration views for showing the operating state of the insert opening/closing drive part and the insert regular drive part;
14 is a block diagram showing the driving structure of the caterpillar.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to their ordinary or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

1, the front wheel side is front or front, and the rear wheel side is rear or rear, the direction is specified. Let the direction be specified as downward or downward.

1 to 13, the seedling planting machine according to the present invention,

It is largely composed of a body body 10 , front wheels 20A and rear wheels 20B, a wheel drive unit 30 , a seedling supply unit 40 , a seedling settling unit 50 , and a spacing unit 60 .

Looking at each configuration,

The body body 10 is

As shown in Figures 1 to 3,

Various frames are connected to each other to form a three-dimensional structure, an engine and a protective cover covering it are provided in the front, and an operation handle and various operation levers are provided in the rear.

The front wheel (20A) is

As shown in Figures 1 to 3,

To be installed on the front side of the vehicle body 10,

It has a structure of a pair of wheels that rotate by receiving power from the engine of the vehicle body 10 .

The rear wheel (20B) is

As shown in Figures 1 to 3,

To be installed on the rear side of the vehicle body 10,

It has a structure of a pair of wheels that rotate by receiving power from the engine of the vehicle body 10 .

At this time, as shown in FIG. 14 , the front wheel 20A and the rear wheel 20B can be driven by being implemented in a caterpillar structure of a caterpillar type that is disposed to surround them.

The wheel drive unit 30 is

As shown in Figure 3,

For transmitting rotational power to each of the front wheels 20A and each rear wheel 20B,

A front axle (31) to which the front axle (20A) is shaft-coupled to both ends while receiving power from the engine of the body body (10) and rotating;

a rear axle 32 which rotates by receiving power from the engine of the vehicle body 10 and is disposed inside a second shaft 66, which will be described later;

a driving sprocket 33 coupled to an end of the rear axle 31 and disposed inside a housing 67 to be described later;

A driven sprocket 34 coupled to the shaft of the rear wheel 20B and disposed inside a housing 67 to be described later;

Chain (35) interconnecting the drive and driven sprockets (33, 34)

is made including

At this time, the driving structure of the rear wheel 20B by the driving and driven sprockets 33 and 34 and the chain 35 is an example, and the condition for transmitting the rotational force of the rear axle 31 to the rear wheel 20B side is satisfied. It may be variously modified and changed within the scope.

The seedling supply unit 40 is

As shown in Figures 7 to 9,

It is installed on the rear upper side of the vehicle body 10 to supply seedlings,

a disk-shaped disk 41 installed on the vehicle body 10;

a disk driving unit 42 for transmitting rotational power to the disk 41;

A plurality of ports 43 coupled radially to the disk 41 and having a vertical penetrating internal space 431 and a door 432 blocking the lower side outlet thereof;

It is disposed on the lower side of the disk 41 and is disposed on a circumference connecting the center of the outlet of the space portion 431 of each port 43 and in an area corresponding to one port 43 of each port 43. A guide member 44 that forms a C-shape when viewed from the top by forming a suitably disconnected fall guidance space 441,

When the disk 41 is rotated by the disk driving unit 42, the door 432 of each port 43 moves along the guide member 44, and the closed state of the door 432 is maintained and then the guide member ( 44) a return means 45 for guiding so that it can be opened when it meets the fall guidance space 441

is made including

At this time, as shown in FIG. 8, the disk driving unit 42 includes a driven gear 421 that is pivotally coupled to the center of the disk 41, and a driving gear 422 that meshes with the driven gear 421 and, It consists of a driving motor 423 shaft-coupled to the driving gear 422 , which is an example and may be variously deformed and changed within a range that satisfies the conditions for rotating the disk 41 .

And, as shown in FIG. 9 , the return means 45 has a coil spring structure coupled to the hinge shaft between the exit side end of the port 43 and the door 432 . This coil spring provides an elastic force so that the door 432 can always be opened, and is closed by the guide member 44 under the condition that the door 432 can be opened in this way, and then the fall induction space ( 441), the door 432 is opened by the elastic force of the coil spring, so that the seedling inside as well as the water supplied from the water supply means 55A and 55B to be described later fall into the insert 51 to be described later. do. As a result, the seedlings falling through the fall induction space 441 are supplied to the seedling settling unit 50 side.

Seedling planting unit (50)

As shown in Figures 7, 9, 10 and 11,

It is installed on the lower side of the seedling supply unit 40 in the vehicle body 10, and is for planting the seedlings supplied by the seedling supply unit 40 on the ridge,

A pair of inserts 51 having an inner receiving portion in contact with each other,

an insert opening/closing driving unit 52 for rotating each of the insert parts 51 in opposite directions in contact with each other;

After lowering each of the inserts 51 and inserting them into the mound, the inserting drive part 53 for returning to the original position when the seedling planting is completed;

A hopper 54 disposed on the upper side of the insertion part 51 and disposed on the lower side of the fall guidance space 441 of the guide member 44 and having a vertical penetrating inner hollow 541,

Water supply means for supplying water to the inner receiving part of each of the inserts (51)

is made including

At this time, as shown in FIGS. 12 and 13 , the shovel-type driving unit 53 receives power through a power transmission body connected to the motor and moves up and down according to the upper and lower curve-shaped orbits, but the power transmission body is an example of a shaft and a plurality of links, eccentric cams, etc., and the structure of this power transmission body is such that the lower link 531 performs the lowering operation of the insert 51 and the hopper 54, and the upper link 532 uses the It participates in the lifting operation of the insert 51 and the hopper 54 . In addition, the insert opening/closing driving unit 52 includes a plurality of driving links 521 connected to the upper side link 532 . Eventually, when the lowered inserts 51 are inserted to a certain depth into the ridge, each of the inserts 51 is rotated and opened in opposite directions facing each other, so that the seedlings are planted into the pit dug by the insert 51 .

And the water supply means can be largely composed of the first and second embodiments. Hereinafter, the reference numeral '55A' for the water supply means of the first embodiment, and the reference numeral '55A' for the water supply means of the second embodiment 55B'.

First, as shown in FIG. 10 , the water supply means 55A of the first embodiment is disposed between each of the inserts 51 and the hopper 54 and has a nozzle having a spraying direction toward the inner receiving part of each of the inserts 51 . 551, a water reservoir 552 loaded on the vehicle body 10, a relay hose 553 interconnecting the nozzle 551 and an outlet of the water reservoir 552, and the relay hose ( 553) and a relay pump 554 provided on the top. Here, the nozzle 551 is fixed to the hopper 54 or a pedestal supporting the hopper 54 by a separate bracket, and the water reservoir 552 is loaded on the vehicle body 10 . A separate loading space may be provided in (10), and in particular, it is preferable to provide a loading space to the extent that two or more water storage tanks 552 can be loaded.

In addition, the relay pump 554 may be implemented to be operated by a separate switch provided on the operation handle of the vehicle body 10 .

11, the water supply means 55B of the second embodiment is connected to a hose mounting hole 555 that is formed inside and outside the outer wall of the hopper 54, and the hose mounting hole 555 to provide external water. It consists of a supply hose 556 for supplying the , and a supply pump 557 provided on the supply hose 556 . As a result, water is supplied to the hopper 54 by the pumping of the supply pump 557 while the supply hose 556 is connected to a water supply source such as an external water supply tank. At this time, like the relay pump 554 , the supply pump 557 may be implemented to be operated by a separate switch provided on the operation handle of the vehicle body 10 .

The interval maintaining unit 60 is

As shown in Figures 4 to 6,

By adjusting the height of the vehicle body 10 on the basis of the side of each rear wheel 20B according to the height of the field, the distance between the field and the seedling planting unit 50 can be maintained constant.

And the tread portion 61 coming into contact with the paddy field,

a bottom bracket 62 mounted on the rear side of the vehicle body 10;

A bottom rod 63 having one end rotatably coupled to the bottom bracket 62 and the other end rotatably coupled to the top of the step face part 61,

a first shaft 64 disposed left and right on the lower middle side of the vehicle body 10;

side brackets (65) coupled to both ends of the first shaft (64);

a second shaft 66 rotatably coupled to the side bracket 65;

a housing 67 having one end fixedly coupled to the end of the second shaft 66 and the other end coupled to the shaft of the rear wheel 20B;

Second shaft driving means (68) for transmitting rotational power to the second shaft (66)

is made including

At this time, as shown in FIG. 6 , the step portion 61 is connected to a bottom plate 611 of an arc-shaped depression recessed downward, and a front end of the bottom plate 611 . It consists of a top plate 612 spaced apart on the upper side.

And as shown in FIGS. 4 and 6, the second shaft driving means 68 is installed on the vehicle body 10 and includes a middle cylinder body 681 having a piston that moves forward and backward forward and backward on the rear side; , a support 682 connected to the piston end of the middle cylinder body 681, a first relay bracket 683 having a lower end fixedly coupled to the second shaft 66, and one end of the support body 682 A first side guider 684 that is connected and the other end is hinged to the upper end of the first relay bracket 683, and the middle cylinder body 681 according to the vertical displacement of the tread portion 61. It consists of a control module 685 for moving the piston forward and backward.

Here, a hook portion 631 is formed at a portion hinged to the bottom bracket 62 side of the bottom rod 63, and at a portion hinged to the step surface portion 61 side in the bottom rod 63. A corresponding hook portion 632 is formed, and an elastic spring 633 is provided to interconnect the hook portion 631 and the corresponding hook portion 632 . At this time, the elastic spring 633 is stretched when the distance between the two components is increased by an external force by applying an elastic force in the direction in which the hook part 631 and the corresponding hook part 632 face each other, and then the external force is released. When it is restored to its original shape, it is returned to its original position by pulling the corresponding hook portion 632 side. In the end, when the height of the footbed is high and the step portion 61 rises and the height of the footbed decreases, the step portion 61 is restored by the restoring force of the elastic spring 633 and the weight of the step portion 61 again. descend

Subsequently, the control module 685 includes, for example, an on/off valve 685a for supplying and blocking air to the middle cylinder body 681 side, and a controller 685b for opening/closing the on/off valve 685a; The control link 685c connected to the corresponding hanger part 632 and having a structure that transmits it to the controller 685b when the corresponding hanger part 632 is rotated or the corresponding hanger part 632 is detected by detecting the rotation. It consists of a sensor that transmits a value to the controller 685b.

Therefore, in a state in which there is a pit in the center and furrows on both sides thereof, each of the front wheels 20A and each of the rear wheels 20B rotates along both furrows, so that the vehicle body 10 is operated, and the height of the pit is increased. When it rises, the step surface part 61 rises, and at this time, the rear side of the vehicle body 10 rises together with the second shaft 66 as a reference by the piston operation of the middle cylinder body 681, so that the When planting a seedling by the seedling planting unit 50, it is possible to plant a seedling to a certain depth according to the height of the paddy field.

On the other hand, the seedling planter according to the present invention further comprises a change angle (變角) unit (70),

The angle change unit 70 is

As shown in Figures 4 to 6,

a side cylinder body 71 having a piston whose end is connected to the support 682 and moves forward and backward;

a second relay bracket (72) whose lower end is fixedly coupled to the second shaft (66);

A second side guider 73 having one end connected to the side cylinder body 71 and the other end hinged to the upper end of the second relay bracket 72 .

is made including

As a result, when the piston advances and retreats of the side cylinder body 71 , the left and right inclination of the vehicle body 10 may be adjusted with respect to the side of one of the rear wheels 20B.

On the other hand, the seedling planter according to the present invention further comprises a seedling feedback unit 80,

The seedling feedback unit 80

As shown in Figures 1 to 3,

a support 81 connected to the body body 10 and erected;

a tray 82 hinged to the support 81, arranged eccentrically from the upper side of the vehicle body 10 to one side, and accommodating a plurality of seedlings;

A seat (83) hinged to the support (81) and spaced apart from the upper side of the vehicle body (10)

is made including

Here, the tray 82 may have a single-stage or two-stage or more multi-stage structure, and on the sheet 83 , an operator who takes out the seedlings stored in the tray 82 and puts them into the port 43 . is boarding

In the above description of the present invention, with reference to the accompanying drawings, the "seedling planter" having a specific shape and structure has been mainly described, but the present invention is capable of various modifications and changes by those skilled in the art, and such modifications and changes are the characteristics of the present invention. It should be construed as belonging to the scope of protection.

10: body body
20A: front wheel
20B: rear wheel
30: wheel drive unit
31 : front axle
32 : rear axle
33: drive sprocket
34: driven sprocket
35 : chain
40: seedling supply unit
41: disk
42: disk drive unit
421: driven gear
422: drive gear
423: drive motor
43 : port
431: space part
432: door
44: guide member
441: fall guidance space
45: return means
50: seedling set unit
51: insert
52: insert opening and closing drive part
521: drive link
53: shovel fixed drive part
531: lower side link
532: upper side link
54 : Hopper
541: hollow
55A, 55B: water supply means
551: nozzle
552: water reservoir
553: relay hose
554: relay pump
555: hose mounting hole
556: supply hose
557: supply pump
60: spacing unit
61: step part
611: bottom plate
612: top plate
62: bottom bracket
63: bottom rod
631: hanger
632: corresponding hanger
633: elastic spring
64: first shaft
65: side bracket
66: second shaft
67: housing
68: second shaft driving means
681: middle cylinder body
682: support
683: first relay bracket
684: first side guider
685: control module
685a: on/off valve
685b : Controller
685c: control link
70: transformation unit
71: side cylinder body
72: second relay bracket
73: 2nd side guider
80: seedling feedback unit
81: support
82: tray
83: sheet

Claims (6)

car body 10;
a pair of front wheels 20A and a pair of rear wheels 20B installed on the front and rear sides of the vehicle body 10, respectively;
a wheel driving unit 30 for transmitting rotational power to each of the front wheels 20A and each rear wheel 20B;
a seedling supply unit 40 installed on the rear upper side of the vehicle body 10;
a seedling planting unit (50) installed on the lower side of the seedling supply unit (40) in the vehicle body (10) and for planting the seedlings supplied by the seedling supply unit (40) to the ridge; and
A spacing maintaining unit (60) that adjusts the height of the vehicle body 10 on the basis of the side of each rear wheel (20B) according to the height of the mound, thereby maintaining a constant distance between the mound and the seedling planting unit (50). ); including,
The interval maintaining unit 60 is
And the tread portion 61 coming into contact with the paddy field,
a bottom bracket 62 mounted on the rear side of the vehicle body 10;
a bottom rod 63 having one end rotatably coupled to the bottom bracket 62 and the other end rotatably coupled to the top of the step face part 61;
a first shaft 64 disposed left and right on the lower middle side of the vehicle body 10;
side brackets (65) coupled to both ends of the first shaft (64);
a second shaft 66 rotatably coupled to the side bracket 65;
a housing 67 having one end fixedly coupled to the end of the second shaft 66 and the other end coupled to the shaft of the rear wheel 20B;
and a second shaft driving means (68) for transmitting rotational power to the second shaft (66),
The step portion 61 is connected to a bottom plate 611 of an arc-shaped recessed downwards, and a front end of the bottom plate 611, a top disposed spaced apart from the upper side of the bottom plate 611 consisting of a plate 612,
A hook portion 631 is formed at a portion hinged to the bottom bracket 62 side of the bottom rod 63, and corresponds to a portion hinged to the step surface portion 61 side in the bottom rod 63 A hanging part (632) is formed, and an elastic spring (633) is provided in the form of interconnecting the hanging part (631) and the corresponding hanging part (632).
delete The method of claim 1,
The second shaft driving means 68 is
a middle cylinder body 681 installed on the vehicle body 10 and having a piston that moves forward and backward forward and backward on the rear side;
a support body 682 connected to the piston end of the middle cylinder body 681;
a first relay bracket (683) whose lower end is fixedly coupled to the second shaft (66);
a first side guider 684 having one end connected to the support 682 and the other end hinged to the upper end of the first relay bracket 683;
Seedling planting machine, characterized in that it consists of a control module (685) for moving the piston of the middle cylinder body (681) forward and backward according to the vertical displacement of the step surface part (61).
4. The method of claim 3,
A side cylinder body 71 having a piston having an end connected to the support 682 and moving forward and backward, a second relay bracket 72 having a lower end fixedly coupled to the second shaft 66, and one end It consists of a second side guider 73 connected to the side cylinder body 71 and the other end hinged to the upper end of the second relay bracket 72. The seedling planting machine, characterized in that it further comprises a variable angle unit (70) for adjusting the left and right inclination of the vehicle body (10) with respect to the rear wheel (20B) side of one of the rear wheels (20B).
The method of claim 1,
The seedling supply unit 40 is
a disk-shaped disk 41 installed on the vehicle body 10;
a disk driving unit 42 for transmitting rotational power to the disk 41;
A plurality of ports 43 coupled radially to the disk 41 and having a vertical penetrating internal space 431 and a door 432 blocking the lower side outlet thereof;
It is disposed on the lower side of the disk 41 and is disposed on a circumference connecting the center of the outlet of the space portion 431 of each port 43 and in an area corresponding to one port 43 of each port 43. A guide member 44 that forms a C-shape when viewed from the top by forming a suitably disconnected fall guidance space 441,
When the disk 41 is rotated by the disk driving unit 42, the door 432 of each port 43 moves along the guide member 44, and the closed state of the door 432 is maintained and then the guide member ( 44) a return means 45 for guiding so that it can be opened when it meets the fall guidance space 441
Made of, seedling planting machine, characterized in that the seedling falling through the fall induction space (441) is supplied to the seedling planting unit (50) side.
6. The method of claim 5,
The seedling planting unit 50 includes a pair of inserts 51 having an inner receiving part in contact with each other, an insert opening/closing driving part 52 for rotating the inserting parts 51 in opposite directions in contact with each other, and each insert (51) is lowered and inserted into the ditch, and when the seedling planting is completed, a shovel set drive part 53 for returning to the original position, and the shovel part 51 disposed on the upper side of the guide member 44 Falling of the A hopper 54 disposed on the lower side of the induction space 441 and having an upper and lower penetrating inner hollow 541, and water supply means 55A, 55B for supplying water to the inner receiving part of each insert 51 ) consists of
The water supply means (55A) includes a nozzle (551) disposed between each of the inserts (51) and the hopper (54) and having a spraying direction toward the inner receiving part of each of the inserts (51), and the body body (10). ), a relay hose 553 that interconnects the nozzle 551 and the outlet of the water reservoir 552, and a relay pump 554 provided on the relay hose 553. ) seedling planting machine, characterized in that consisting of.

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