JP2001057805A - Seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a seedling transplanter having simplified structure, storable in a narrow space and having improved operability and workability by placing a planting action transmitting system for a seedling planting apparatus at a side of the machine and placing a seedling taking action transmission system for a seedling taking apparatus at the other side of the machine. SOLUTION: The objective seedling transplanter is provided with a seedling planting apparatus 5 to plant a seedling on a field by vertical reciprocating motion and a seedling taking apparatus 43 to take a seedling from a seedling table 90 and transfer to the planting apparatus 5 placed below the taking apparatus. The planting action transmission system D1 for the planting apparatus 5 is positioned at a side of the machine and a seedling taking action transmission system D2 for the seedling taking apparatus 43 is positioned at the other side of the machine. Preferably, the planting action transmission system D1 for the planting apparatus 5 is constructed of planting transmission cases 31, 32 placed at a side of a planting part transmission case 30 in longitudinal direction of the machine and the transmitting system D2 for the seedling taking apparatus 43 is constructed by placing the transmission part for transmitting power to the transmission case 50 of the seedling taking apparatus 43 at the other side of the transmission case 30 of the planting part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a seedling transplanter for planting seedlings such as vegetables in a field.

[0002]

2. Description of the Related Art As a conventional example of this type, a seedling is taken out of a seedling mounting table by a seedling collecting device and transferred to a seedling planting device. There is a seedling transplanter to plant. In this conventional device, power is transmitted to a seedling collecting device and a seedling planting device at the center of the fuselage.

[0003]

Therefore, in the above-described conventional seedling transplanter, since each functional member and its drive transmission system are not simple structures, the structure of the machine becomes large and not a small and compact structure. Machine operation and operability (handling)
Was very bad.

[0004]

According to a first aspect of the present invention, there is provided a seedling planting apparatus 5 for reciprocating vertically and planting seedlings in a field and a seedling mounting table 90. In a seedling transplanter equipped with a seedling picking device 43 for taking out seedlings and transferring them to a seedling planting device 5 located below, a planting drive transmission system D1 to the seedling planting device 5 is arranged on one side of the machine body. Along with
A seedling transplanting machine in which a seedling removal drive transmission system D2 to the seedling harvesting device 43 is arranged on the other side of the machine body. The seedling transplanter according to claim 1, wherein the planting drive transmission system D1 to the seedling planting apparatus 5 is constituted by the planting transmission cases 31 and 32 arranged in the front-rear direction. The planting drive transmission system D1 to the seedling planting device 5 is constituted by the planting transmission cases 31 and 32 arranged on one side of the planting unit transmission case 30 in the longitudinal direction of the fuselage. A transmission portion for transmitting power to the transmission case 50 of the seedling harvesting device 43 is arranged on the other side of the case 30 so that the seedling harvesting device 43
The present invention is a seedling transplanter according to claim 1 comprising a drive transmission system D2 for extracting seedlings from the seedlings to the seedling removal device 43 for extracting seedlings from the seedling mounting table 90. A transmission system D2 is arranged on one side of the body, and a seedling mounting drive system D3 for moving the seedling mounting table 90 right and left from the seedling extraction drive transmission system D2 is provided. It is a seedling transplanter arranged on the same side as the transmission system D2, and the invention according to claim 5 is provided with a seedling table driving system D3 that moves the seedling table 90 left and right from the seedling removal driving transmission system D2, 4. The seedling transplanter according to claim 1, wherein the seedling mounting drive system D3 is arranged on the same side as the seedling removal drive transmission system D2.

[0005]

According to the first aspect of the present invention, the seedling planting apparatus 5 and the seedling mounting table 9 for reciprocating up and down to plant seedlings in a field.
In the seedling transplanting machine equipped with a seedling collecting device 43 for taking out seedlings from the plant 0 and transferring them to the seedling planting device 5 located below, the planting drive transmission system D1 to the seedling planting device 5 is connected to one side of the machine body. And a seedling removal driving transmission system D2 to the seedling removal device 43.
Is a seedling transplanter arranged on the other side of the fuselage, so that the planting drive transmission system D1 and the seedling removal drive transmission system D2 are arranged on both sides of the fuselage, and the seedling planting device 5 and the seedling harvesting device are arranged. The drive transmission system with the motor 43 has a rational and simple structure, and has a small and compact structure, so that the operation and operability of the machine are very good, and a good and efficient seedling transplanting operation can be performed. In addition, since it has a small body structure, its storage space is small and excellent.

According to a second aspect of the present invention, a planting drive transmission system D1 to the seedling planting apparatus 5 is provided by planting transmission cases 31 and 32 arranged on one side of the planting section transmission case 30 in the longitudinal direction of the machine body. Since the seedling transplanter according to claim 1 is configured, in addition to the operation and effect of the invention according to claim 1, another component member 22 can be arranged below the planting transmission case 32,
It has a very compact and simple structure with the front and rear lengths of the body shortened, and can perform a good transplanting operation of a good seedling with very good operation and operability of the machine.

According to a third aspect of the present invention, the planting drive transmission system D1 is connected to the seedling planting apparatus 5 by the planting transmission cases 31 and 32 arranged on one side of the planting section transmission case 30 in the longitudinal direction of the machine body. And a transmission unit for transmitting power to the transmission case 50 of the seedling collecting device 43 is disposed on the other side of the planting unit transmission case 30 to form a seedling extracting drive transmission system D2 to the seedling collecting device 43. Because it was the seedling transplanter according to claim 1,
In addition to the functions and effects of the invention described in claim 1, the drive transmission configuration between the planting section transmission case 30 and the seedling planting apparatus 5 and the seedling collecting apparatus 43 can be simply configured based on the planting section transmission case 30. Of course, the other component members 22 can be arranged below the planting transmission case 32, so that the front and rear length of the fuselage is shortened, resulting in a very compact and simple configuration. This makes it possible to perform a transplanting operation with good efficiency in maneuvering operability of a small and light aircraft body.

According to a fourth aspect of the present invention, a seedling extracting drive transmission system D2 to the seedling extracting device 43 for extracting seedlings from the seedling mounting table 90 is disposed on one side of the body, and the seedling extracting drive transmission system D2 is arranged.
Since a seedling table driving system D3 for moving the seedling table 90 left and right from 2 is provided, and the seedling table driving system D3 is arranged on the same side as the seedling extracting drive transmission system D2, a seedling transplanting machine is provided. The drive transmission system of the picking device 43 and the drive transmission system for moving the seedling mounting table 90 right and left are in series, and the drive transmission between the seedling collection device 43 and the seedling mounting table 90 is simple and stable. The seedling collecting device 43 can reliably take out the seedlings, and the planting performance of the seedlings is good.

According to a fifth aspect of the present invention, there is provided a seedling placement drive system D3 for moving the seedling placement platform 90 right and left from the seedling removal drive transmission system D2, and the seedling placement drive system D3 is connected to the seedling removal drive transmission system D2. Since the seedling transplanter according to claims 1 to 3 is arranged on the same side, in addition to the effects of the invention according to claims 1 to 3,
The related drive transmission system of the seedling collecting device 43 and the drive transmission system for moving the seedling mounting table 90 right and left are in series, and the drive transmission of the seedling collecting device 43 and the seedling mounting table 90 is simple and stable. The seedling collecting device 43 can reliably take out the seedlings from the mounting table 90, and of course, because of the small and light weight of the body structure and the good operability of the body, the seedlings with good seedling planting performance and work efficiency are both good. An implanter can be obtained.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As an embodiment of the present invention, a vegetable transplanter, which is an example of a seedling transplanter, will be described in detail with reference to the drawings. The vegetable transplanting machine 1 has a planting section 1b composed of a seedling supply device 4, a seedling planting device 5, etc., while advancing the machine body while straddling a ridge U by a traveling portion 1a having traveling wheels 2.3.
Thus, the pot seedlings of the vegetables in the seedling tray are planted on the upper surface of the ridge U. While walking between the ridges U, the operator appropriately steers the aircraft using the steering handle 6 provided at the rear of the aircraft. Hereinafter, the configuration of each unit will be described.

The traveling section 1a includes a traveling section transmission case 7
The engine 9 is arranged at the front of the vehicle. A hydraulic pump 10 driven by the power of the engine 9 is provided on the left side of the engine 9.
Is provided. Further, a fuel tank 11 and the like are provided above the engine 9, and a bonnet 12 covers an upper portion thereof. A left and right long connecting frame 13 of a rectangular shape in a side view is integrally provided on a rear portion of the traveling portion transmission case 7, and a front end of a main frame 14 for connecting the traveling portion 1 a and the steering handle 6 to a right end of the rear side of the connecting frame. Are fixedly connected. The main frame 14 extends rearward, curves obliquely upward in the middle, and extends as it is to the rear position of the planting portion 1b. The front end of the steering handle 6 is attached to the rear end so as to be freely rotatable, and the left and right grips 6a of the steering handle 6 can be adjusted in height.

A left and right traveling transmission case 16 is integrally attached to a left and right rotating tubular portion 15 protruding from the left and right side surfaces of the traveling section transmission case 7, and right and left rear wheels 2, which are driving traveling wheels, are provided at the tip of the traveling transmission case. It is pivoted. Also,
Left and right front wheel support rods 18 are attached to the left and right ends of a front wheel support frame 17 provided swingably around a pivot shaft 17a in the front-rear direction below the engine 9 so that the height can be adjusted. Left and right front wheels 3, which are driven wheels, respectively, are pivotally supported.

The traveling section 1a is provided with a body control mechanism for controlling the position of the body by moving the right and left rear wheels 2 up and down with respect to the body. The airframe control mechanism is provided with an elevating cylinder 21 provided rearward from a hydraulic valve unit 20 disposed on the traveling unit transmission case 7, and a balance rod 22 is provided at a tip end of a piston rod of the cylinder around a vertical axis. Is mounted to be rotatable. The front and rear ends of the piston rod slide along a guide shaft 24 supported by the hydraulic valve unit 20 and an attachment member 23 attached to the main frame 14. The left and right ends of the balance rod 22 and the left and right swing arms 25 fixed to the left and right rotating cylinder 15 are connected via left and right connection rods 26. The left connecting rod 26 is a rolling cylinder 27
Is incorporated, and the length can be changed by expanding and contracting the cylinder.

The lifting cylinder 21 and the rolling cylinder 27 are operated by controlling a hydraulic oil supplied from the hydraulic pump 10 by a control valve (not shown) in the hydraulic valve unit 20. When the elevating cylinder 21 is extended and contracted, the left and right rear wheels 2 move up and down by the same amount in the same direction with respect to the body, and the body is moved up and down. In addition, rolling cylinder 2
When the retracting operation is performed, the left and right rear wheels 2 move up and down with respect to the body by the same amount in the opposite directions, and the body tilts left and right.

The planting portion 1b has a lower portion of a planting portion transmission case 30 transmitted from the traveling portion transmission case 7 fixed to the upper surface of the connecting frame 13, and a first planting portion mounted on the upper portion of the planting portion transmission case 30. The base of the attached transmission case 31 is fixed, and the base of the second planted transmission case 32 is fixed to the distal end of the first planted transmission case 31. Then, the first planting transmission case 31 and the second planting transmission case 32
Each of the operating mechanisms of the seedling planting apparatus 5 described below is connected to the first planting transmission case 31 and the second planting transmission case 32. It is configured. The seedling planting tool 42 described later in the seedling planting device 5 is disposed on the rear side of the traveling section 1a. Further, a spare seedling mounting table 36 on which a seedling raising tray is mounted is attached to a frame 34 having a base fixed to an upper portion of the planting section mission case 30.

As shown in FIG. 3, the input shaft 30a of the planting section transmission case 30 projects forward from the lower end of the case.
By being inserted into the take-out part 7a, it is operatively connected to a shaft on the traveling part side in the PTO take-out part. Also,
The planting section transmission case 30 is connected to the connection frame 13.
Are removably mounted on bolts 35. For this reason, the bolts 35 are removed, and the PTO extraction portion 7a is removed.
By pulling out the input shaft 31a from, the planting section 1b can be removed together with the traveling section 1a, and maintenance of the planting section 1b can be easily performed.

In the side view, the planting section transmission case 30 is provided rearward and upward from the connecting frame 13, and the first planting transmission case 31 is connected to the planting section transmission case 3.
The second planting transmission case 32 is provided horizontally downward from the lower end of the first planting transmission case 31. With this configuration,
A space for the balance rod 22 to move is secured below the second planting transmission case 32 without making the longitudinal length of the body longer than necessary.

The seedling supply device 4 is arranged on the upper rear side of the main frame 14 and tilts a seedling tray T containing a plurality of soil block seedlings S in the vertical and horizontal directions so that the rear side is higher. And a seedling tray moving device 40 which intermittently moves in the vertical and horizontal directions, and which is disposed in front of the seedling tray moving device 40 and has a
And a seedling collecting device 43 that takes out seedlings one by one from the seedling tray T and transports the seedlings to the seedling attachment 42.

The seedling tray T is made of thin and flexible plastic and has a large number of pot portions P arranged in a grid pattern at a predetermined pitch in the vertical and horizontal directions. The opening edges of the pot portion P are connected to each other in a planar shape and are molded. Then, the soil block seedlings S are grown by sowing and raising the seeds on the bed soil filled in the pot portion P.

The seedling picking device 43 includes the seedling picking nail 41 and a nail driving mechanism 44 for driving the seedling picking nail 41. The seedling removal claw 41 is made of a round bar material having a pair of left and right tips with sharp tips, and is provided so that the tip ends are closer to each other. The claw driving mechanism 44 includes the seedling removal claw 41.
Is reciprocated between the seedling tray T and the seedling mounting tool 42 while changing the attitude of the seedling extraction nails 41, a nail support 45 to which the pair of seedling extraction nails 41 are attached, and a pair of seedling extraction nails 4.
A claw guide 46 for guiding the advance and retreat of the claw 1;
And a support member 47 for supporting the claw guide 46 reciprocally in the longitudinal direction.

The claw driving mechanism 44 is a main frame 1
The transmission case 50 is attached and supported to a support 49 made of a plate material having a lower end welded and fixed to a connection frame 48 having both ends fixed between the transmission case 4 and the planting section transmission case 30. The transmission case 50 has an input shaft 51 protruding on both left and right sides and an output shaft 52 protruding on the right side. A passive sprocket 53 provided at the right end of the input shaft 51 and a right side of the planting section transmission case 30 are provided. A drive chain 56 is provided between a drive sprocket 55 provided at the tip of a drive shaft 54 protruding from the drive shaft 54, and power from the engine 9 is transmitted. A passive sprocket 53 provided at the right end of the input shaft 51, a driving sprocket 55 of a driving shaft 54 of the planting section transmission case 30, and both sprockets 53.
55, the drive chain 56 provided between the
The drive transmission system D2 for taking out the seedlings to the plant is constituted. The output shaft 52 is connected to the input shaft 5 via a gear transmission mechanism.
The output shaft 52 drives the seedling tray moving device 40.

A crank 57 is provided at the tip of the input shaft 51 projecting to the left side of the transmission case 50. A crank pin 58 is provided on the crank 57 so as to project laterally. A drive cam 59 is provided coaxially with the drive cam 59. A lower portion of a swing arm 60 is pivotally connected to a lower left portion of the transmission case 50 via a swing shaft 61 so as to be rotatable around a left and right axis. A groove cam 62 extending in the arm longitudinal direction is formed, and a roller 63 externally fitted to a crank pin 58 of a crank 57 is inserted into and engaged with the groove cam 62.

A support member 47 is pivotally connected to the upper part of the swing arm 60 via a pin 64. The support member 47 is a cylindrical portion 4 for guiding the claw support member 45 made of a pipe so as to be freely movable in the axial direction.
7a, so that the nail support 45 can move back and forth toward the seedling tray T. Also, this claw support 45
The pair of seedling removal claws 41, which are pierced obliquely into the block soil of the seedlings S in the pot portion P from the oblique direction, are attached to the distal end of the potting P.

A plate-like support member 65 is attached and fixed to the upper surface of the transmission case 50 by bolts, and a roller 67 is attached to the support member 47 via a bracket 66 so as to be freely rotatable. It is engaged with a cam groove 70 formed in a guide plate 69 that is swingably attached to a support member 65 via a pin 68. The guide plate 69 has a rolling roller 71 at the tip of a downwardly projecting arm. The rolling roller 71 is in contact with the driving cam 59 and
In FIG. 5 of FIG.
8 can be swung. Guide plate 69
The roller 71 is urged by a spring 72 interposed between the support member 65 and the roller 71 in a direction in which the roller 71 is pressed against the drive cam 59.

The base 73 provided at the base end of the claw support 45
And the cylindrical portion 47 of the support tool 47 for holding the claw support 45 inside.
a coil spring 74 that urges the claw support 45 in the retreating direction is interposed between the claw support 4 and the claw support 4.
A hook attachment 75 is fitted and fixed to the front end of the hook 5. The bases of the pair of seedling removal claws 41 are pivotally supported on the claw attachment 75 via shafts 76, respectively. The pair of seedling removal claws 41 swings such that the tips move far and near with respect to the claw attachment 75. It is possible.

At the lower end of the support member 47, an extrusion link 77 is provided.
Are rotatably connected via pins 78. A long groove 79 is formed at the tip of the push-out link 77, and is engaged with a pin 80 provided on a protruding arm of the claw attachment 75. The push-out link 77 is provided with a substantially arc-shaped cam plate 81 that can contact the crank pin 58 of the crank 57. The claw guide 46 is slidably inserted in the longitudinal direction in the claw support 45, the base 73, and the claw attachment 75, and the claw guide 46 is formed of a round bar or the like. A guide portion 82 having a guide hole for inserting and guiding the extraction claw 41 is provided, an L-shaped operating member 83 is attached to the rear end, and a stopper 84 is fixed to an intermediate portion. Base 7
3, a coil spring 85 is fitted in a compressed state.

An operating piece 86 is pivotally supported by the support 47 and urged clockwise in FIG. 5 by a spring. The operating piece 86 has a substantially T-shape having one foot and both arms. A lock portion 86a is formed on one arm, a release portion 86b is formed on the other arm, and a pushing portion 86c is formed on the foot. The operating member 83 fixed to the claw guide 46 has a portion parallel to the claw guide 46, and the parallel portion is
By this, the sliding is guided in a detented state, and is engaged with the lock portion 86a of the operating piece 86 protruding from the sliding surface, thereby restricting the movement of the claw guide 46 in the protruding direction.

A lock arm 87 is pivotally supported on the base 73 at the rear end of the claw support 45.
5 is urged clockwise in FIG. 5 by a spring, and a hook portion 89 that can be engaged with the engaging portion 88 of the support tool 47 is formed at the distal end. In the above configuration, when the input shaft 51 rotates counterclockwise from the state shown in FIG. 5, the crank 57 rotates along with the roller 63 fitted on the crank pin 58 to push the cam plate 81 to push the pushing link. 77 is swung to the seedling tray T side, whereby the nail attachment 75 and the nail support 4 are supported with respect to the support 47 as shown in FIG.
5 is pushed toward the seedling tray T side and compresses the coil springs 74 and 85. As a result, the seedling removal nail 41 protrudes and pierces the block soil of the seedling S, and the nail support 45
Will have the resilience to retreat.

When the seedling removal claw 41 projects and pierces the block soil of the seedling S, the seedling removal claw 41 is guided by the guide portion 8.
The guide holes are regulated by the two guide holes so that the distance between the tips of the left and right seedling removal claws 41 is narrowed and the seedling removal claws 41 are pierced into the block soil. Also, the nail support 45
When the hook portion 89 of the lock arm 87 is engaged with the engaging portion 88 of the support tool 47 in the protruding state, the state is maintained, and the swing arm 60 and the guide plate 69 do not swing.

When the input shaft 51 further rotates counterclockwise from this state, the roller 63 slides in the groove cam 62 of the swing arm 60, so that the swing arm 60
It swings around in the direction away from the seedling tray T, and together with the nail support 45, the nail guide 46 and the support 47, the seedling removal nail 4.
1 retreats from the seedling tray T, and the block soil of the seedling S is taken out from the pot portion P.

Thereafter, when the input shaft 51 further rotates counterclockwise, the claw support 45, the claw guide 46, and the support 4
7, the seedling removal claw 41 moves in the direction away from the seedling tray T, and the roller 67 slides on the front rising portion of the cam groove 70, so that the seedling removal claw 41 and the like are changed to a substantially downward posture. With S in the downward position, the seedling S
2 above the front.

When the seedling removal claw 41 moves to a state where the seedling removal claw 41 is in a substantially downward posture, the pushing portion 86 of the operation piece 86 is moved.
c comes into contact with a lock release member provided on the support member 65 so as to be adjustable in position. When the operating piece 86 is rotated, first, the lock of the operating piece 86 to the operating member 83 by the lock portion 86 a is released, and the claw guide 46 projects by the urging force of the spring 85, and is held by the seedling removal claw 41. The existing seedlings S are pushed out of the seedling removal claws 41 to be separated, and dropped into the seedling attachment 42 from above. Thereafter, when the operation piece 86 further rotates, the lock arm 87 is pushed up by the release portion 86b to release the engagement between the hook portion 89 and the engagement portion 88, and the claw guide 46 is accompanied by the urging force of the coil spring 74. The nail support 45 is retracted.

Thereafter, the input shaft 51 is moved to the state shown in FIG. 5 by the counterclockwise rotation of FIG. 5, and the above operation is repeated. The seedling tray moving device 40 includes a seedling mounting table 90 on which the seedling tray T is mounted. The seedling mounting table 90 includes a pair of upper and lower guide rails 91a and 91 arranged in the left-right direction.
b is supported movably in the left-right direction. The upper guide rail 91a is connected and supported by a horizontal frame 92 fixed to the rear end of the main frame 14 and left and right upper connectors 93. The lower guide rail 91b is connected to the second planted transmission case 32.
And the support 49 and the left and right connectors 94 respectively. And a pair of upper and lower guide rails 91a and 91b
The left and right ends thereof are connected by a left and right vertical frame 95 to form a rectangular frame having high strength in plan view.

The seedling mounting table 90 has a mounting plate 96 for supporting the bottom of the seedling tray T over a row of pots P (therefore, the upper surface of the mounting plate 96 mounts the seedling tray T). The mounting plate 96 is disposed between a pair of side plates 97 that are disposed to face each other in the left-right direction, and the left and right ends of the mounting plate 96 are formed by the left and right side plates 97. It is fixed to the opposing surface (the inner surface in the left-right direction).

At the lower part between the left and right side plates 97, a vertical drive shaft 9 is provided.
8 are provided to be arranged in the left-right direction.
At the upper part between the 7, a vertically moving driven shaft 99 is provided in the left and right direction, a pair of left and right driving sprockets 100 are fixed to the driving shaft 98, and a pair of left and right driven sprockets 101 are fixed to the driven shaft 99. Fixed. An endless chain 102 is mounted between the driving sprocket 100 and the driven sprocket 101, and a gap between the pot portions P in the vertical direction (up and down direction) of the seedling tray T is mounted on the chain 102. Transport pin 10 that engages with
3 are attached so as to protrude inward in the left-right direction. Therefore, the seedling tray T is pushed and moved by the transport pin 103 when the drive shaft 98 is rotationally driven in the direction indicated by the arrow A in FIG. The left and right side plates 9
Reference numeral 7 is connected to the vertical movement drive shaft 98 and the driven shaft 99 by other connection members.

In the seedling tray moving device 40, the vertical and horizontal dimensions of the seedling trays T are the same, and the sizes of the openings of the pot portions P are different, but the intervals between the openings of the pot portions P are substantially the same (that is, the intervals between the openings of the pot portions P are substantially the same).
Two types of seedling trays T (having different pitches between the centers of the pot portions P in the vertical and horizontal arrangement directions and the number of the pot portions P) are mounted. Are not provided so as to be engaged with each other, but are provided at positions where the gaps between the vertical pot portions P of the two types of seedling trays T coincide with each other in the vertical direction.

Now, the lateral movement mechanism of the seedling tray T will be described. The left and right bearing members 104 which are arranged on the left and right sides of the seedling mounting table 90 and are mounted and supported on the left and right vertical frames 95.
A horizontal movement shaft 105 is formed between the left and right side plates 97 and formed with a special screw (nap screw) formed by joining the valleys of the left and right screws cut at the same pitch. A slider 106 that engages with a special screw on the shaft 105 is externally fitted to the shaft 105. The slider 106 is engaged with a pair of left and right engaging pieces 107 provided on the back surface of the mounting plate 96 of the seedling mounting table 90.

Power is transmitted from the output shaft 52 to the lateral movement shaft 105 via a wrapping transmission mechanism 108a in a transmission case 108, and the lateral movement shaft 105 is intermittently driven to rotate. Is rotated intermittently, the slider 106 intermittently moves in the left-right direction, and is folded back at the end of the screw formed on the horizontal movement shaft 105 so that the seedling mounting table 90 reciprocates in the left-right direction. Has become. The winding transmission mechanism 108a in the transmission case 108 constitutes a seedling mounting table drive system D3.

The horizontal moving shaft 105 is connected to the seedling removal claw 41.
When the seedling S is removed from the pot portion P, the rotation is stopped after the seedling S is removed from the pot portion P, and the seedling S is rotated by one pitch in the horizontal arrangement direction (left-right direction) of the pot portion P. It is configured to rotate intermittently so as to move the table 90. The lateral movement amount can be switched within the transmission case 50 so that the lateral movement amount corresponding to the lateral pitch of the pot portions P of the two types of seedling trays T that are selectively used can be selected. .

Next, the mechanism for vertically moving the seedling tray T will be described.
The vertical movement operating shaft 110 is rotatably supported between the left and right side plates 97 on the seedling mounting table 90, and the seedling mounting table 90 moves to the leftmost or rightmost end on the vertical movement operating shaft 110. Follower 111 that engages with the vertical movement cam 109 when the
Are provided on the left and right. In addition, the vertical movement operation shaft 110
Is linked to a vertical moving means 113 provided on the left end side of the vertical driving shaft 98 via a link 112 or the like.

When the seedling mounting table 90 moves to the left and right ends, the follower 111 is pushed by the vertical movement cam 109 and the vertical movement operation shaft 110 rotates. Is operated to move the vertical drive shaft 98
Is rotated so as to transfer the seedling tray T by one pitch of the pot portion P in the vertical arrangement direction of the pot portion P (the arrangement direction orthogonal to the left-right direction).

Thus, when the removal of the soil block seedlings S from the horizontal row of pot portions P is completed, the seedling tray T is moved vertically by an amount corresponding to the vertical interval of the pot portions P. I have. The portion of the seedling tray T after the seedlings S are taken out is placed along the driving sprocket 100 on the mounting plate 9.
6 and, as shown in FIG. 7 and FIG. 9, the plate material is formed in an arc shape around the axis of the vertical drive shaft 98 at the lower part of the seedling mounting table 90. Guide members 114 that are formed and guide the seedling tray T along the drive sprocket 100 are attached and fixed to both left and right sides and the center.

The left and right guide members 114 are provided on the left and right side edges of the upper surface of the seedling tray T to prevent the bottom of the pot portion P of the seedling tray T from moving (lifting) away from the mounting plate 96. Is provided. The holding member 115 is formed by bending an elastically deformable steel bar, and the base side 115a is attached and fixed to the guide member 114, and the middle part comes into contact with the upper surface of the seedling tray T and presses against it. However, the tip side may be separated from the seedling tray T.

A regulating means 116 for regulating the movement of the left and right holding members 115 in the direction away from the mounting surface 96a of the seedling tray T is disposed on the rear side in the vertical movement direction of the seedling tray T. The restricting means 116 is formed by bending an elastically deformable steel bar material, and a middle portion is a pressing portion 116a that contacts the upper left and right side edges of the seedling tray T, and one end is formed by pressing the pressing portion 116a to the seedling tray. Side plate 9 so as to repress the T side
7, and the other end is a knob 116c formed in an arch shape.

The mounting portion 116b is rotatably mounted on the side plate 97 by a bolt 93, and a restricting posture for restricting the movement of the pressing portion 116a in the direction away from the mounting surface 96a of the seedling tray T (FIG. 9). 12 to the solid line in FIG. 12), the grip portion 116c is
a and the restricting means 1 around the mounting portion 116b.
When the seedling tray T is turned outward in the left-right direction, the restricting means 116 is moved to a retreating posture (indicated by a virtual line in FIG. 12) in which the seedling tray T can be placed on the placing plate 96 from the vertical direction. The posture can be changed freely.

The mounting plate 96 of the seedling mounting table 90 is provided with detecting means 117 for detecting passage of the seedling tray T, which is located near the right (or left) regulating means 116. The detecting means 117 includes a contact member 118 that contacts the bottom of the pot portion P on the right end side of the seedling tray T, and an urging member 119 that urges the contact member 118 toward the pot portion P.
And a contact sensor 120 such as a microswitch.

The contact member 118 has a support member 121 whose rear side in the vertical movement of the seedling tray is fixed to the lower surface of the mounting plate 96.
The mounting plate 96 is rotatably supported around a left and right axis via a support shaft 122, and can protrude and retreat to the mounting surface 96 a side of the mounting plate 96 through an opening 123 formed in the mounting plate 96. It has been. A stopper 124 is provided on the contact member 118 to contact the lower surface of the mounting plate 96 and regulate the rotation of the contact member 118 in the projecting direction (the direction in which the contact member 118 projects toward the seedling tray T). It is fixed and provided.

The urging member 119 is formed of a spring plate or the like. The rear side of the seedling tray in the vertical movement direction is fixed to the support member 121, and the front side of the seedling tray in the vertical movement direction is a contact member 118.
Of the contact member 1 due to its elastic force.
18 is urged in the protruding direction. The contact sensor 120 is attached and fixed to the support member 121, and the contact 120
“a” is in contact with the middle part of the urging member 119.

Therefore, while the seedling tray T passes over the detecting means 117 as shown by the phantom line in FIG. And presses the contact 120a of the contact sensor 120 via the urging means 119 to detect the presence of the seedling tray T. Then, as shown by the solid line in FIG. 9, when the seedling tray T passes over the detecting means 117, the rearmost pot portion P separates from the contact member 118, and the contact member 118 is placed by the urging member 119. That the seedling tray T has been separated from the detection means 117, while projecting to the surface 96a side, and the pressing of the contact 120a of the contact sensor 120 has been released;
That is, the passage of the seedling tray T is detected.

When the detecting means 117 detects the passage of the seedling tray T, the detecting signal activates a notifying means consisting of a buzzer, a lamp and the like to inform the worker that the seedling tray T must be replenished. Let In the example shown in FIG. 9 (FIG. 9), when the second pot portion P from the rear in the vertical arrangement direction of the pot portions P comes to the position where the seedling removal claw 41 takes out the seedlings, the detecting means 117 sets the seedling tray T Although the passage is detected and the seedling tray T is supplied, the passage of the seedling tray T may be detected on the rear side of the pot portion P in the vertical arrangement direction.

When the operator knows that the seedling tray T has passed the detecting means 117 by the operation of the notifying means, the worker changes the posture of the left and right regulating means 116 to the retreating posture and places the seedling tray T on the mounting plate 96. After the replenishment is placed on the
To the regulatory position. As described above, since the detecting means 117 is provided near the regulating means 116, malfunction of the detecting means 117 due to the lifting of the seedling tray T can be prevented. Therefore, the place where the detection means 117 is provided may be any place as long as the height of the seedling tray T can be regulated by the regulation means 117.

The regulating means 116 may regulate the lifting of the seedling tray T by merely contacting it without pressing the left and right side edges of the upper surface of the seedling tray T.
The contact member 118 may be brought into contact with the lower surface of the upper wall of the seedling tray T (the portion connecting the opening edges of the pot portions P). Further, as the detection means 117, a contact of a contact sensor such as a micro switch or a limit switch may be directly brought into contact with the seedling tray T or the contact member 118.

Here, a mechanism for switching the amount of lateral movement of the power transmission mechanism from the input shaft 51 and the lateral movement mechanism of the seedling tray T will be described. As shown in FIGS. 13 to 15, a toothless gear 125 is spline-fitted to the input shaft 51.
In the transmission case 50, there is provided an intermediate shaft 126 arranged in parallel with the input shaft 51 and the output shaft 52 and supported rotatably around the axis. The meshing transmission gear 127 is spline-fitted, power is intermittently transmitted from the input shaft 51 to the intermediate shaft 126, and the intermediate shaft 126 rotates intermittently.

A first lateral drive gear 128 and a second lateral drive gear 129 are provided on the intermediate shaft 126 at intervals in the axial direction so as to be rotatable relative to the intermediate shaft. On the other hand, on the output shaft 52, a first laterally driven driven gear 130 meshing with the first laterally driven driving gear 128, and a second
Second laterally driven gear 1 meshing with laterally driven gear 129
31 are externally fitted so as to be rotatable integrally.

The intermediate shaft 126 is spline-fitted between the first lateral driving gear 128 and the second lateral driving gear 129, and is rotatable integrally with the intermediate shaft 126 and in the axial direction. A movable shifter 132 is provided. The first shifter 132 meshes with a first meshing tooth 133 formed on the first lateral movement drive gear 128.
The engaging teeth 134 are provided, and the second engaging teeth 136 meshing with the second meshing teeth 135 formed on the second lateral movement drive gear 129 are provided.

Accordingly, when the shifter 132 is moved in the axial direction to engage the first engagement teeth 134 with the first engagement teeth 133, the first lateral movement drive gear 128, the shifter 132, and the first lateral movement driven gear 130 When the second engagement teeth 136 are meshed with the second meshing teeth 135, the power is transmitted via the second lateral movement drive gear 129, the shifter 132, and the second lateral movement driven gear 131. The power is transmitted and the output shaft 52 is intermittently rotated. As described above, the power is transmitted from the output shaft 52 to the lateral movement shaft 105, and the lateral movement shaft 105 is intermittently rotated.

Then, the first lateral movement drive gear 128 and the first
The rotation ratio with the lateral movement driven gear 130 is larger than the rotation ratio between the second lateral movement drive gear 129 and the second lateral movement driven gear 131, and corresponds to two kinds of seedling trays T having different pitches of the pot P. Then, the lateral movement amount of the seedling tray T can be switched between two stages. On the upper surface of the transmission case 50, a lateral feed switching lever 137 is disposed, and the transmission case 50 is inserted through an insertion hole 138 formed in the upper wall of the case 50 so as to be rotatable around a vertical axis. A rotation shaft 139 is provided, and a lower end of the rotation shaft 139 has a shift pin 14 inserted into the circumferential groove 132 a of the shifter 132.
0 is fixed, and the shift pin 140 swings around the axis of the rotation shaft 139 by the rotation operation about the axis of the rotation shaft 139 to move the shifter 132 in the direction of the axis of the intermediate shaft 126. Is available.

The upper part of the rotating shaft 139 protrudes from the insertion hole 138, and one end of the interlocking plate 141 is fitted to the lower side of the protruding portion so as to rotate integrally. The engagement pin 142 is fixed. A collar 14 is provided at an intermediate portion of the protruding portion of the rotation shaft 139.
3 is rotatably fitted to the outside, and the upper part of the protruding portion of the rotating shaft 139 is formed as a screw shaft portion 144. The abutment plate 145 and the washer 146 are fitted to the screw shaft portion 144, and the nut 147 is attached. It is screwed.

The lateral movement switching lever 137 is fitted to the collar 143 so as to be relatively rotatable, and the lateral movement switching lever 137 is integrally formed with a spring receiving portion 148. Further, a lateral movement switching lever 137 of the collar 143 is provided.
A torsion coil spring 149 is externally fitted between the spring plate 149 and the interlocking plate 141 and the abutment plate 145. These springs 149 are twisted in opposite directions to each other, and one end of the spring 149 is provided with an engagement pin. The other end is hooked to the spring receiving portion 148 of the lateral movement switching lever 137.

Therefore, when the lateral movement switching lever 137 is turned around the axis of the rotation shaft 139, the interlocking plate 141 is rotated together with the spring 149, the rotation shaft 139 is rotated, and the shifter 132 is rotated. The lateral movement switching lever 137 is moved in the axial direction of the intermediate shaft 126,
By rotating from the position indicated by the solid line to the position indicated by the virtual line, or from the position indicated by the virtual line to the position indicated by the solid line,
The lateral movement amount of the seedling tray T is switched.

At the time of switching the amount of lateral movement of the seedling tray T, the first engagement teeth 134 are shifted to the first meshing teeth 133.
Alternatively, when the second engagement teeth 136 do not mesh with the second meshing teeth 135, one of the springs 149 is twisted, and the rotation of the lateral movement switching lever 137 is performed even if the rotation shaft 139 and the interlocking lever 125 and the like do not rotate. Movement operation is allowed,
In this state, the first or second meshing teeth 133, 135
Is in a position where it meshes with the first or second engagement teeth 134, 136, the biasing force of the one of the twisted springs 149 causes the rotation shaft 139 and the interlock lever 125 to rotate,
The switching of the lateral movement amount of the seedling tray T is completed.

Therefore, when the lateral movement amount of the seedling tray T is switched, the first or second engagement teeth 134 and 136 and the first or second engagement teeth 134 and 136 are operated to operate the lateral movement switching lever 137.
There is no need to adjust the timing of each part so that the meshing teeth 133 and 135 mesh with each other.
By simply operating, the spring charge function is used to automatically switch at a position that matches the switching timing, thereby facilitating the switching of the lateral movement amount of the seedling tray T.

In the upper part of the transmission case 50, a screw hole 150 is provided.
Is formed, and a knob bolt 151 screwed into the screw hole 150 is provided. The transverse feed switching lever 137 has a first engagement tooth 134 meshed with the first engagement tooth 133, In a state where the second engagement teeth 136 are engaged with the second engagement teeth 135, a pair of insertion holes 152 corresponding to the screw holes 150 are formed through the first engagement teeth 13.
By screwing the knob bolt 151 into the screw hole 150 in a state in which 4 is meshed with the first meshing tooth 133 or in a state where the second meshing tooth 136 is meshed with the second meshing tooth 135,
The transverse feed switching lever 137 can be fixed.
The seedling planting device 5 includes a cup-shaped seedling planting tool 42 having a sharp lower end.
It has. The seedling mounting tool 42 includes a front member 42a and a rear member 42b, and is attached to a front member rotation shaft 161A located behind the seedling mounting tool 42 so as to be rotatable. The front member 42a is attached to the arm 162A.
The rear member 42b is integrally mounted on left and right rear member mounting arms 162B rotatably supported by a rear member rotation shaft 161B positioned in front of the seedling attachment 42. . Therefore, the rotating shafts 161A and 161B
When the two members 42a and 42b rotate about the fulcrum, the lower part of the seedling attachment 42 opens and closes. Front member mounting arm 162
The front member 42a and the rear member 42b rotate in conjunction with each other by the interlocking pin 163 that is loosely fitted in the long hole formed in the A and the rear member mounting arm 162B. Leg 162aA of front member mounting arm 162A and rear member mounting arm 1
A spring 164 for urging the front member 42a and the rear member 42b toward the closing side between the leg 162aB and the leg 162aB.
Is stretched. This seedling attachment 42 performs a predetermined operation by the following operation mechanism.

A rear link support arm 167A is rotatably attached to a support portion 33a projecting upward from the second planting transmission case 32, and a rear end of the rear link 168A whose base is pivotally attached to the support arm 167A. Front member rotation shaft 16
1A is connected. A rear link drive arm 169A provided at a rear end of the second planting transmission case 32 is connected to an intermediate portion of the rear link 168A. A front link support arm 167B is rotatably attached to the planting section transmission case 30, and a rear member rotation shaft 161B is attached to a rear end of a front link 168B having a base pivotally attached to the support arm.
Are connected. A front link drive arm 169B provided at the rear end of the first planted transmission case 31 is connected to an intermediate portion of the front link 168B. Both drive arms 169A
When the 169B is driven and rotated, the rear link 168A and the front link 168B swing up and down while changing the position of the base part back and forth, and the seedling mounting tool 42 moves up and down with a constant posture.

The opening / closing arm 1 is provided at the base of the rear link 168A.
71 is rotatably mounted, and its opening / closing arm 171 is provided.
Is connected to the front member mounting arm 162A by an opening / closing rod 172. An opening / closing cam 173 that rotates integrally with the rear link drive arm 169A is attached to an intermediate portion of the rear link 168A. A roller 174 as a cam follower of the opening / closing cam includes an opening / closing arm 171.
It is provided in. When the seedling attachment 42 rises from a position near the bottom dead center, the opening / closing cam 173 is
Is adapted to be engaged. When the opening / closing cam 173 engages with the roller 174, the opening / closing rod 172 is pulled, and the front member 42a and the rear member 42b rotate in conjunction with each other,
The seedling attachment 42 opens. When the opening / closing cam 173 is not engaged with the roller 174, the seedling attaching tool 42 is closed by the tension of the spring 164.

When the seedling attachment 42 is at the top dead center, the seedling supply device 4 drops and supplies the seedlings. The supplied seedlings are guided into the seedling planting tool through cylindrical seedling guides 176 attached to the front member rotating shaft 161A and the rear member rotating shaft 161B. The seedling attachment 42 holding the seedlings descends, and at the bottom dead center, the lower part of the seedling attachment 42 pierces the topsoil of the ridge,
Form holes for seedling transplantation. Almost simultaneously with this, seedling attachment 4
2 is opened to release the held seedlings into the seedling transplant holes. The seedling attachment 42 rises as it is, and when it rises to near the top dead center, the seedling attachment 42 closes.

Reference numeral 177 denotes a cylindrical fixed seedling guide, which is fixed to the front side of the lower guide rail 91b in a posture inclined forward by a fixed arm 178, and wherein the seedling removal claw 41 is removed from the seedling tray T. When the seedling S is dropped into the seedling attachment 42 from above, the seedling S is provided to guide the seedling S to the seedling guide 176 of the seedling attachment 42. This fixed seedling guide 177
Is tilted in the same direction as the direction in which the claw guide 46 projects and pushes out the seedling S from the seedling extraction claw 41, and is upwardly positioned on the seedling attaching tool 42 below the seedling extraction claw 41. Seedlings can be reliably dropped from
The posture of the seedling S pushed out of the seedling removal claw 41 and detached is dropped into the seedling planting tool 42 in a stable state by the fixed seedling guide 177 that is inclined forward, and the seedling planting posture is very good. . Further, since the fixed seedling guide 177 is fixed to the lower guide rail 91b which supports the seedling mounting table 90 so as to be movable left and right, the positional relationship between the seedling tray T on the seedling mounting table 90 and the fixed seedling guide 177 is always constant. The seedlings S taken out of the seedling tray T with the seedling removal nail 41 are stably dropped into the fixed seedling guide 177, and the planting posture of the seedlings is stabilized.

A pair of right and left crushing wheels 180 are arranged behind the seedling planting position. The left and right compression wheels 180 are rotatably mounted in the middle of a swing frame 187 that is vertically swingably supported by a support frame 186 fixed to the front and rear intermediate portion of the main frame 14. A rod 188 extends upward from the left and right center position of the rear end of the swing frame 187, and a base is fixed to the upper end of the rod 188 at the rear end of the main frame 14. The support arm 189 is supported through a through hole 189a. A weight 190 is provided to penetrate the rod 188, and by adjusting the number of the weights 190, the pressure reduction load of the left and right pressure reduction wheels 180 can be adjusted. In addition, 191 is a hairpin and the rod 18
8 is prevented from falling out of the through-hole 189a of the support arm 189.

The left and right compression wheels 180 are mounted diagonally so that the space between them becomes narrower toward the bottom, and rolls on the ridges as the machine progresses, and the area around the seedling transplant hole after the seedlings are planted. The lands are collapsed and the holes are filled back, and the traces are lightly crushed. Reference numeral 192 denotes a sensor for detecting the upper surface of the ridge.
0a, and operates the lift cylinder 21 in a direction in which the angle of the sensor 192 returns to the original position. With this, the aircraft is controlled to elevate and lower so that the height from the upper surface of the ridge to the aircraft is kept constant, and is controlled so that the planting depth of seedlings is always constant regardless of the change in the height of the ridge, Good growth of seedlings after planting.

The sensor 192 is connected to the main frame 1
The shaft 196 is attached to an arm 195 whose rear end is fixed to a rotating shaft 194 whose left side is pivotally supported by the armature 4 and whose front end extends forward.
Is rotatably supported at. And the rotating shaft 194
Is connected to the base of the planting depth adjusting lever 197,
When the planting depth adjustment lever 197 is engaged and locked in the adjustment engagement portion of the engagement guide 198 to be in a fixed state, the rotation of the rotation shaft 194 is fixed, and therefore, the shaft 196 of the arm 195 is raised and lowered. Is fixed, the sensor 192 rotates around its axis 196 while sliding on the upper surface of the ridge so that the planting depth of the seedling is always constant regardless of the change in the height of the ridge as described above. Is controlled. Then, by adjusting the position of the planting depth adjusting lever 197 with respect to the adjusting engaging portion of the engaging guide 198 to engage and lock to a fixed state, the shaft 1 of the arm 195 is adjusted.
Since the vertical position of the 96 can be adjusted, the reference position for controlling the body height with respect to the ridge can be set freely, so that the planting depth of the seedlings can be adjusted.

The right-left tilt control valve 20b in the hydraulic valve unit 20 is switched in response to the movement of the right-left tilt detecting pendulum 200. When the body tilts left and right, the rolling cylinder 27 is operated appropriately. And control to return the aircraft to the left and right and horizontal. The steering handle 6 has a substantially U-shape in plan view with both ends extending rearward, and left and right grips 6a are attached to both ends. At the time of turning or traveling on the road, the operator grips the left and right grips 6a and steers.

Under the left and right grips 6a, left and right side clutch levers 201 are provided. An operation panel 202 is provided at the base of the steering handle 6. The operation panel 202 is used to perform an on / off operation of a planting clutch that is transmitted to the seedling supply device 4 and the seedling planting device 5 and a plant operation for raising and lowering the machine. There are provided a lifting lever 203, a main clutch lever 204 for performing an on / off operation of the main clutch, and the like. Reference numeral 205 in the figure denotes an inter-strain adjusting lever for adjusting the planting interval of seedlings.

The operation of transplanting vegetable seedlings to a field by the vegetable transplanter 1 will be described. First, a seedling tray T in which vegetable seedlings have been raised is loaded into the seedling mounting table 90. Then, the operator holds the left and right grips 6a of the control handle 6 at the rear of the fuselage.
The main clutch lever 204 is engaged to move the left and right front wheels 3 and the left and right rear wheels 2 along the ridge grooves while walking in the ridge grooves behind the right rear wheel 2 so as to advance the fuselage.
By operating the plant 03, the planting clutch is turned on and the machine control mechanism is controlled to perform the transplanting operation. At this time, from the seedling tray T of the seedling mounting table 90 that reciprocates left and right, the seedling removal claws 41
Take out the seedlings one by one and drop them into the seedling attachment 42.
Then, after the seedling planting tool 42 has planted the seedlings on the ridges, the pair of left and right crushing wheels 180 lightly crush the left and right sides of the seedlings.

In particular, a seedling planting device 5 for reciprocating vertically and planting seedlings in a field and a seedling collecting device for taking out seedlings from a seedling mounting table 90 and transferring them to a seedling planting device 5 located below. 4
In the seedling transplanter equipped with 3 and above, the planting drive transmission system D1 to the seedling planting apparatus 5 is arranged on the left side of the body, and the seedling removal drive transmission system D2 to the planting apparatus 43 is placed on the right side of the body. And a seedling transfer drive system D1 and a seedling removal drive drive system D2 are arranged separately on the left and right sides of the machine body, and the drive transmission between the seedling placement device 5 and the seedling removal device 43 is performed. The system has a rational and simple structure, and has a small and compact structure.
It is very good and can perform a good and efficient seedling transplantation operation. In addition, since it has a small body structure, its storage space is small and excellent.

In the side view, the planting section transmission case 30 is provided rearward and upward from the connecting frame 13, and the first planting transmission case 31 is provided rearward and downward from the upper end of the planting section transmission case 30. In addition, since the second planting transmission case 32 is provided horizontally from the lower end of the first planting transmission case 31, the second planting transmission case 32 can be used without making the longitudinal length of the body longer than necessary. A space for the movement of the balance rod 22 can be secured below, and a very compact and simple configuration in which the longitudinal length of the body is reduced.

Further, a first planting transmission case 31 and a second planting transmission case 32 disposed on the left side of the planting section transmission case 30 in the longitudinal direction of the machine body, and the planting drive transmission to the seedling planting apparatus 5 is performed. In addition to constituting the system D1, a transmission unit for transmitting power to the transmission case 50 of the seedling collecting device 43 is disposed on the right side of the planting unit transmission case 30 to form a seedling extracting drive transmission system D2 to the seedling collecting device 43. As a result, the drive transmission configuration of the seedling planting device 5 and the seedling collecting device 43 from the planting section mission case 30 can be simply configured using the planting section mission case 30 as a mother body.

Lastly, a seedling removal drive transmission system D2 to the seedling removal device 43 for removing seedlings from the seedling placement table 90 is disposed on the right side of the machine body, and the seedling removal drive transmission system D2 is moved from the seedling removal drive system D2.
Since a seedling mounting drive system D3 that moves left and right through 0 is provided and the seedling mounting drive system D3 is a seedling transplanter that is arranged on the same right side as the seedling extraction drive transmission system D2, the driving of the related seedling extraction device 43 is performed. The transmission system and the drive transmission system for moving the seedling mounting table 90 right and left are in series, and the drive transmission between the seedling collection device 43 and the seedling mounting table 90 is simple and stable. The seedlings can be taken out without fail, and the planting performance of the seedlings is good.

In the above embodiment, an example of the operation of transplanting to a ridge has been described, but the same applies to the case of transplanting a seedling to a flat field. Examples of the vegetable seedlings include leafy seedlings such as cabbage and Chinese cabbage, root vegetable seedlings such as radish and sweet potato, and fruit and vegetable seedlings such as pumpkin and watermelon. But it is good.

[Brief description of the drawings]

FIG. 1 is an overall side view of a vegetable transplanter.

FIG. 2 is an overall plan view of the vegetable transplanter.

FIG. 3 is a perspective view of a connecting portion between a traveling unit and a planting unit.

FIG. 4 is a perspective view of a sensor 192 part.

FIG. 5 is a side view of a seedling collecting device 43;

FIG. 6 is a plan view of a seedling collecting device 43;

FIG. 7 is a plan view of the seedling mounting table 90.

FIG. 8 is a plan sectional view of a seedling tray moving device.

9 is a side sectional view for explaining the operation of the seedling mounting table 90. FIG.

10 is a plan view illustrating the operation of the seedling mounting table 90. FIG.

11 is a front sectional view for explaining the operation of the seedling mounting table 90. FIG.

FIG. 12 is a perspective view for explaining the operation of the regulating means 116.

FIG. 13 is a side sectional view showing a transmission structure of a mechanism for switching the amount of lateral movement.

FIG. 14 is a developed plan sectional view showing a transmission structure of a mechanism for switching a lateral movement amount.

FIG. 15 is a plan view of a lateral movement switching lever 137;

FIG. 16 is a hydraulic circuit diagram.

17 is a side view of the seedling planting apparatus 5. FIG.

18 is a plan view of the seedling planting apparatus 5. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vegetable transplanter (seedling transplanter) 2 Rear wheel 3 Front wheel 4 Seedling supply device 5 Seedling planting device 6 Steering handle 30 Planting part transmission case 31 First planting transmission case 32 Second planting transmission case 43 Seedling plant Reference Signs List 50 transmission case 90 seedling mount D1 planting drive transmission system D2 seedling removal drive transmission system D3 seedling mount drive system

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B060 AA02 AA10 AC01 AC08 AD07 BA03 BB05 CA04 CA06 CA12 CA19 CB01 CB02 CB13 CB17 CC01 CC05 DA02 DA03 DA05 DA07 DA10

Claims (5)

[Claims] A seedling planting device for reciprocating up and down and planting seedlings in a field; a seedling collecting device for taking out seedlings from a seedling mounting table and transferring the seedlings to a seedling planting device located below; In the seedling transplanter equipped with the seedling, the planting drive transmission system D1 to the seedling planting device 5 is disposed on one side of the machine body, and the seedling removal drive transmission system D2 to the seedling collecting device 43 is connected to the other side of the machine body. A seedling transplanter characterized by being arranged in a plant. 2. A planting drive transmission system D1 to the seedling planting device 5 is constituted by planting transmission cases 31 and 32 arranged on one side of the planting section transmission case 30 in the longitudinal direction of the machine body. The seedling transplanter according to claim 1, wherein 3. A planting drive transmission system D1 to the seedling planting device 5 is constituted by planting transmission cases 31 and 32 arranged in the longitudinal direction of the machine on one side of the planting section transmission case 30, and a planting drive transmission system D1 is provided. Seedling device 4 is attached to the other side of the attached mission case 30.
The seedling transplanter according to claim 1, wherein a transmission portion for transmitting power to the third transmission case (50) is arranged to constitute a seedling removal drive transmission system (D2) to the seedling removal device (43). 4. A seedling collecting device 43 for taking out seedlings from a seedling mounting table 90.
And a seedling pick-up drive transmission system D3 for moving the seedling pick-up table 90 left and right from the seedling pick-up drive transmission system D2. D3
Is disposed on the same side as the seedling removal drive transmission system D2. 5. The seedling removal drive transmission system D2 to the seedling mounting table 90.
A seedling transplanter according to any one of claims 1 to 3, wherein a seedling mounting drive system D3 is provided for moving the seedling mounting drive system D3, and the seedling mounting drive system D3 is arranged on the same side as the seedling removal drive transmission system D2.