JP2010124708A - Seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seedling transplanter that has good balance between the front and the rear of machine, lowers the center of gravity in comparison with a conventional one, improves a traveling performance and performs an excellent seedling transplantation operation. <P>SOLUTION: The seedling transplanter includes a traveling part 1a having a traveling part transmission case 7 attached to a traveling transmission device for transmitting power to any drive wheel of front and rear wheels 2 and 3 and a planting part 1b having a seedling supply apparatus 4 having a seedling table 90 and a seedling planting apparatus 5 having a seedling planting tool 42 in such a way that the seedling table 90 is arranged at the upper part of the traveling part 1a in a state in which the front part is high and the rear part is low and movable in the right and left directions in the traveling direction of the seedling transplanter. A seedling tray T is placed on the slantingly arranged surface of the seedling table 90 and a seedling taking out apparatus 43 for taking out seedlings one by one from the seedling tray T and supplies them to the seedling planting tool 42 is installed at the rear of the seedling table 90 and at the upper part of the seedling planting apparatus 5. Since the longitudinal long seedling tray T is arranged ahead of the seedling planting apparatus 5 and at the upper part of a planting transmission case 30, the seedling transplanter has good balance between the front and the rear of the machine and drops the center of gravity. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

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

As a conventional example of this kind, a transplanting device is provided by a lifting link mechanism at the rear part of a riding type traveling vehicle body, and an operator performs a seedling transplanting operation while steering the traveling vehicle body facing the front of the machine body. When supplying seedlings, the aircraft was stopped and the operator turned the rear transplanter to perform seedling supply work.
JP 11-46523 A Japanese Patent Laid-Open No. 10-174509

The conventional riding seedling transplanting machine has a large body structure, and has problems in seedling supply efficiency and seedling transplanting efficiency.
Therefore, an object of the present invention is to provide a compact and compact seedling transplanter that has a good balance between the front and rear of the machine body, can have a lower center of gravity than conventional ones, can improve running performance, and can perform good seedling transplanting work. Is to provide. It is another object of the present invention to provide a seedling transplanting machine that can mount a seedling tray capable of supplying a large number of seedlings at a time and improve work efficiency.

The above-mentioned problems of the present invention are solved by the following solution means.
That is, the invention according to claim 1 is a traveling section transmission case (7) equipped with a traveling transmission device for transmitting power to the front and rear wheels (2, 3) and any one of the front and rear wheels (2, 3). And a planting part (1b) having a seedling planting device (5) having a seedling planting device (4) and a seedling feeding device (4) having a seedling mounting base (90). In the seedling transplanter, the seedling mount (90) is arranged above the traveling unit (1a) with the front portion being high and the rear portion being low, and is provided so as to be movable in the left-right direction of the seedling transplanter traveling direction. 90) A seedling tray (T) is placed on the inclined upper surface, and a seedling collecting device (43) for taking out seedlings one by one from the seedling tray (T) and feeding them to the seedling planting tool (42). It is the seedling transplanting machine arrange | positioned above the seedling planting apparatus (5) in the rear part of the seedling mounting stand (90).

  In the invention according to claim 2, a plurality of seedling trays (T) are connected to form a strip-shaped seedling tray (T), and the strip-shaped seedling tray (T) placed on the top surface of the seedling mounting base (90) is used as the top surface. Is provided on the seedling stage (90) with a transfer member that sequentially transfers from the upper side to the lower side of the seedling, and a belt-shaped seedling tray (T) is wound around the upper surface of the seedling stage (90) and sent forward. It is a seedling transplanter of Claim 1 which provided the winding device (55) to take between the driving | running | working part (1a) and the seedling mounting stand (90).

  According to the first aspect of the present invention, the seedling stage (90) is arranged above the traveling part (1a) with the front part being high and the rear part being low, and is provided so as to be movable in the left-right direction in the direction of advancement of the seedling transplanter. The seedling tray (T) is placed on the inclined upper surface of the seedling mount (90), and the seedlings are taken out one by one from the seedling tray (T) and supplied to the seedling planting tool (42). Since the harvesting device (43) is arranged above the seedling planting device (5) at the rear part of the seedling placing stand (90), the balance between the front and rear of the seedling transplanting machine is good, and the center of gravity can be made lower than before. As a result, running performance is improved and transplanting of a good seedling can be performed.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, a plurality of seedling trays (T) are connected to form a strip-shaped seedling tray (T), and the used strip-shaped seedling tray (T) Since the winding device (55) for winding the seedling tray T is provided between the traveling unit (1a) and the seedling mounting table (90), the empty tray T can be easily collected, and the working efficiency of the seedling transplanting work can be improved. improves.

As an embodiment of the present invention, a vegetable transplanter as an example of a seedling transplanter will be described in detail with reference to the drawings. FIG. 1 shows a side view of a vegetable transplanter according to an embodiment of the present invention, and FIG. 2 shows a plan view.
This vegetable transplanter 1 is a seedling planting part 1b comprising a seedling feeding device 4, a seedling planting device 5 and the like while the machine body is advanced with the traveling unit 1a having traveling wheels 2 and 3 straddling the ridge U. The vegetable pot seedlings in the tray T are planted on the upper surface of the bowl U.

Hereinafter, the configuration of each unit will be described.
In the traveling unit 1a, an engine 9 is disposed in the front portion of a traveling unit transmission case 7 in which a traveling transmission device is installed. A hydraulic pump 10 that is driven by the power of the engine 9 is provided on the left side surface of the engine 9. Further, a fuel tank 11 and the like are provided on the upper side of the engine 9, and a bonnet 12 covers the upper part thereof. A long connecting frame 13 having a rectangular shape in side view is integrally provided on the back surface of the traveling unit transmission case 7, and the front end of the main frame 14 that connects the traveling unit 1 a and the steering handle 6 to the right rear end of the connecting frame 13. The parts are fixedly connected. The main frame 14 extends rearward, bends obliquely upward in the middle, and extends as it is to the rear position of the planting portion 1b. And the front-end part of the steering handle 6 is attached to the rear-end part so that rotation adjustment is possible, and the left-right grip 6a of the steering handle 6 can adjust height.

  The left and right traveling transmission case 16 is integrally attached to the left and right rotating cylinder portion 15 protruding from the left and right side surfaces of the traveling portion transmission case 7, and the left and right rear wheels 2, which are driving traveling wheels, are attached to the tip of the left and right traveling transmission case 16. It is supported. In addition, left and right front wheel support rods 18 are attached to the left and right ends of a front wheel support frame 17 provided on the lower side of the engine 9 so as to be swingable around a pivot shaft in the front-rear direction. Left and right front wheels 3, which are driven traveling wheels, are pivotally supported by the respective parts.

  The traveling unit 1a is provided with a machine body control mechanism that controls the machine body position by moving the left and right rear wheels 2 up and down relative to the machine body. In this airframe control mechanism, an elevating cylinder 21 is provided rearward from a hydraulic valve unit 20 disposed on a traveling unit mission case 7, and a balance rod 22 is provided at the tip of a piston rod of the cylinder 21 in a vertical axis. It is attached so that it can rotate freely. The piston rod slides along the guide shaft 24 supported by the hydraulic valve unit 20 and the attachment member 23 attached to the main frame 14 at both front and rear ends. The left and right end portions of the balance rod 22 are connected to the left and right swing arms 25 fixed to the left and right rotating cylinder portion 15 via left and right connecting rods 26. A rolling cylinder 27 is incorporated in the left connecting rod 26, and the length can be changed by extending and contracting the cylinder.

  The elevating cylinder 21 and the rolling cylinder 27 are operated by controlling the hydraulic oil supplied from the hydraulic pump 10 with control valves 20a and 20b (FIG. 14) in the hydraulic valve unit 20, respectively. When the elevating cylinder 21 is expanded and contracted, the left and right rear wheels 2 move up and down by the same amount in the same direction, and the aircraft moves up and down. Further, when the rolling cylinder 27 is expanded and contracted, the left and right rear wheels 2 move up and down by the same amount in the opposite direction, and the body tilts left and right.

  The planting part 1b is fixed to the upper surface of the connecting frame 13 with a lower part of a planting part mission case 30 having a transmission system in which power is transmitted from the transmission system in the traveling part mission case 7. The base of the first planting transmission case 31 is fixed to the upper part of the case 30, and the base of the second planting transmission case 32 is fixed to the tip of the first planting transmission case 31. The first planting transmission case 31 and the second planting transmission case 32 are connected to each operation mechanism of the seedling planting device 5 described later. The first planting transmission case 31 and the second planting transmission case At 32, a planting drive transmission system D1 to the seedling planting device 5 is configured. The seedling planting tool 42 of the seedling planting device 5 is disposed on the rear side of the traveling unit 1a.

  As shown in FIG. 3, the input shaft 30a of the planting part mission case 30 protrudes forward from the lower end of the case, and by inserting it into the PTO extraction part 7a of the traveling part mission case 7, the PTO It is connected to a shaft on the traveling part side in the take-out part. The planting part mission case 30 is detachably attached to the connecting frame 13 with bolts 35. For this reason, by removing the bolts 35 and removing the input shaft 31a from the PTO extraction part 7a, the planting part 1b can be detached from the traveling part 1a, and the planting part 1b can be easily maintained.

  In the side view of the body of the seedling transplanter, the planting part mission case 30 is provided rearward and upward from the connection frame 13, and the first planting transmission case 31 is provided rearward and downward from the upper end part of the planting part mission case 30. The second planting transmission case 32 is provided in the horizontal direction from the lower end of the first planting transmission case 31. With this configuration, a space for moving the balance rod 22 below the second planting transmission case 32 is ensured without making the longitudinal length of the airframe longer than necessary.

  The seedling supply device 4 is arranged from above the planting unit mission case 30 toward the front of the machine body, and a seedling tray T that accommodates a plurality of soil block seedlings S (FIG. 5) in the vertical and horizontal directions. The seedling tray moving device 40 that is inclined and supported so that the front side is elevated and is intermittently moved in the vertical and horizontal directions, and the seedling extraction claw 41 is disposed on the rear side of the seedling tray moving device 40. A seedling collecting device 43 that takes out seedlings from the seedling tray T one by one and conveys them to the seedling planting tool 42 is configured.

  As shown in the plan view of FIG. 7, the seedling tray T is made of flexible plastic and is arranged in a number of pots arranged in a grid pattern at a predetermined pitch in the vertical and horizontal directions. It has the part P, and the opening edge part of the pot part P is mutually connected and shape | molded by planar shape. And the soil block seedling S is nurtured by sowing and raising seedlings in the floor soil filled in the pot portion P.

  The seedling collection device 43 includes the seedling extraction claw 41 as shown in the right side view of the body of the seedling collection device 43 shown in FIG. And a claw drive mechanism 44 for driving the seedling extraction claw 41. The seedling extraction claw 41 is formed of a round bar with a pair of left and right tips, and is provided so as to be closer to each other on the tip side. The claw driving mechanism 44 drives the seedling extraction claw 41 to reciprocate while changing the posture between the seedling tray T and the seedling planting tool 42, and includes a claw support 45 to which the pair of seedling extraction claws 41 are attached, Provided with a claw guide 46 for guiding the advancement and retraction of the seedling extraction claw 41 and a support 47 for supporting the claw support 45 and the claw guide 46 so as to reciprocate in the longitudinal direction. Yes.

  The claw driving mechanism 44 is attached and supported by a transmission case 50 attached to a support body 49 made of a plate material welded and fixed to a connecting frame 48 whose base is fixed to the main frame 14. The transmission case 50 is driven by a driving force transmitted by a transmission chain 53a in the transmission case 53 from a lateral movement shaft 105 of a seedling tray moving device 40 to be described later to an input shaft 51 that protrudes to the left and right sides. .

The claw driving mechanism 44 of the seedling removing device 43 that extracts the seedling is configured to be supported by a connecting frame 48 whose base is fixed to the main frame 14, and thus the configuration is simple.
A crank 57 is provided at the tip of the input shaft 51 that protrudes to the right side of the transmission case 50, and a crank pin 58 is provided on the crank 57 so as to protrude laterally. The input shaft 51 is coaxial with the crank 57. A drive cam 59 is provided. A lower part of the swing arm 60 is pivotally connected to the left lower portion of the transmission case 50 via a swing shaft 61 so as to be rotatable around the left and right axes. A groove cam 62 extending in the arm longitudinal direction is formed, and a roller 63 externally fitted to the crank pin 58 of the crank 57 is inserted into and engaged with the groove cam 62.

  A support tool 47 is pivotally connected to the upper portion of the swing arm 60 via a pin 64, and this support tool 47 includes a cylindrical portion 47a through which a pipe claw support 45 is inserted and guided so as to be movable in the axial direction. The claw support 45 can be moved toward and away from the seedling tray T. Further, the pair of seedling extraction claws 41 that are pierced obliquely into the block soil of the seedling S in the pot portion P are attached to the tip of the claw support 45.

  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 47 through a bracket 66 so as to be freely rotatable. Is engaged with a cam groove 70 formed in a guide plate 69 that is swingably mounted on the pin 68. The guide plate 69 has a rolling roller 71 at the tip of the downward projecting arm. The rolling roller 71 is in contact with the driving cam 59, and the driving cam 59 is rotated in the counterclockwise direction in FIG. The guide plate 69 can be swung around the pin 68 by rotation. The guide plate 69 is urged in a direction in which the roller 71 is pressed against the drive cam 59 by a spring 72 interposed between the guide plate 69 and the support member 65.

  A coil that urges the nail support 45 in the direction of retreating between the base 73 provided at the base end portion of the nail support 45 and the cylindrical portion 47a of the support 47 that fits and holds the nail support 45. A spring 74 is interposed, and a claw attachment 75 is fitted and fixed to the front end portion of the claw support 45. The bases of the pair of seedling extraction claws 41 are pivotally supported by the claw attachments 75 via shafts 76, respectively, and the pair of seedling extraction claws 41 swings so that their tips move relative to the claw attachments 75. It is possible.

  An extrusion link 77 is pivotally connected to a lower end portion of the support tool 47 via a pin 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 the protruding arm of the claw attachment 75. The push-out link 77 is provided with a substantially arc-shaped cam plate 81 that can come into contact with the crank pin 58 of the crank 57. The claw guide body 46 is inserted into the claw support body 45, the base body 73 and the claw attachment 75 so as to be slidable in the longitudinal direction. The claw guide body 46 is formed of a round bar or the like, and a seedling is formed at the front end thereof. A guide portion 82 having a guide hole for inserting and guiding the take-out claw 41 is provided, an operation member 83 having an L-shape in side view is attached to the rear end, and a stopper 84 is fixed to the middle portion. A coil spring 85 is fitted between the base 73 and the base 73.

  An operating piece 86 is pivotally supported on the support 47 and is urged clockwise in FIG. 5 by a spring. The operating piece 86 has a substantially T-shape having one leg 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 actuating member 83 fixed to the claw guide body 46 has a portion parallel to the claw guide body 46, and the parallel portion is guided to slide by a support tool 47 in a non-rotating state, and protrudes from the sliding surface. The movement of the claw guide body 46 in the protruding direction is restricted by engaging with the lock portion 86a of the operating piece 86.

  A lock arm 87 is pivotally supported on the base 73 at the rear end of the claw support 45, and this lock arm 87 is urged clockwise in FIG. 5 by a spring. A flange 89 that can be engaged with the engaging portion 88 is formed. 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 to the crank pin 58 to push the cam plate 81 and push it out. As shown in FIG. 5, the link 77 is swung toward the seedling tray T side, whereby the claw mounting tool 75 and the claw support body 45 are pushed toward the seedling tray T side as shown in FIG. The coil springs 74 and 85 are compressed. Thereby, the seedling extraction claw 41 protrudes and pierces the block soil of the seedling S, and the restoring force for the claw support 45 to move backward is retained.

  When the seedling extraction claw 41 protrudes and pierces the block soil of the seedling S, the seedling extraction claw 41 is regulated by the guide hole of the guide portion 82, and the distance between the tips of the right and left seedling extraction claws 41 is narrowed. The seedling extraction claw 41 is configured to be stabbed into the block soil while being pushed. Further, the claw support 45 is protruded, and the state of the claw support 45 is maintained by engaging the hook portion 89 of the lock arm 87 with the engaging portion 88 of the support 47, and the swing arm 60 and the guide plate 69 swing. do not do.

  From this state, when the input shaft 51 further rotates counterclockwise, the roller 63 slides in the groove cam 62 of the swing arm 60, so that the swing arm 60 moves from the seedling tray T around the swing shaft 61. The seedling extraction claw 41 retreats with respect to the seedling tray T together with the claw support body 45, the claw guide body 46 and the support tool 47, 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 seedling extraction claw 41 moves in a direction away from the seedling tray T together with the claw support body 45, the claw guide body 46, and the support tool 47, and the roller 67 cams. By sliding the forwardly rising portion of the groove 70, the seedling extraction claw 41 and the like are changed to a substantially downward posture, the seedling S is placed in a downward posture, and the seedling S is positioned above the front portion of the seedling planting tool 42. .

When the seedling picking claw 41 has moved to a substantially downward posture, the pushing portion 86c of the operating piece 86 comes into contact with a lock releasing member provided on the support member 65 so that the position thereof can be adjusted. When the operating piece 86 is rotated, the lock on the operating member 83 by the lock portion 86 a of the operating piece 86 is first released, and the claw guide body 46 protrudes by the urging force of the spring 85 and is held by the seedling extraction claw 41. The seedling S that is present is pushed out of the seedling extraction claw 41 and separated, and dropped into the seedling planting tool 42 from above. Thereafter, when the operating piece 86 further rotates, the lock arm 87 is pushed up by the release portion 86b to release the engagement between the flange portion 89 and the engagement portion 88, and the claw guide body 46 is accompanied by the biasing force of the coil spring 74. As a result, the nail support 45 moves backward.
Thereafter, the rotation of the input shaft 51 in the counterclockwise direction of FIG. 5 moves to the state shown in FIG. 5, and the above operation is repeated.

  The seedling tray moving device 40 includes a seedling mounting base 90 on which the seedling tray T is placed. The seedling mounting base 90 is a pair of upper and lower guide rails 91a and 91b (FIGS. 1 and 2) arranged in the left-right direction. (See Fig. 1). The pair of upper and lower guide rails 91 a and 91 b are fixedly supported by a support member (not shown) extending from the planting part mission case 30. The left and right ends of the pair of upper and lower guide rails 91a and 91b are connected by left and right saddle frames 95 (see FIGS. 1 and 2), and have a rectangular frame shape with a strong strength in plan view. .

  7 is a plan view of the seedling stage 90 and FIG. 8 is a sectional view of the seedling stage 90 in a direction perpendicular to the plane of the mounting plate 96 of FIG. It has a mounting plate 96 that supports the bottom portion of T across a horizontal row of pot portions P, and this mounting plate 96 is disposed between a pair of side plates 97 that are opposed to each other in the left-right direction. The left and right end portions of 96 are fixed to the opposing surfaces (the inner surfaces in the left and right direction) of the left and right side plates 97.

The (cell) seedling tray T of this embodiment is long connected in a band shape, and is arranged on the seedling mounting table 90 as a so-called long cell seedling tray T. The long cell seedling tray T can be disposed on an extension portion 129 provided on the front side of the seedling mount 90.
The long cell seedling tray T is provided with a protrusion at the front end of each rectangular seedling tray T, a hole is provided at the rear end, and the protrusion provided at the front end of each seedling tray T is adjacent to the seedling. Each seedling tray T is connected by inserting it into a hole provided at the rear end of the tray T, and a long belt-shaped seedling tray T, that is, the long cell seedling tray T, is formed on the seedling mounting base 90 and its extension 129. To place.

  By connecting a plurality of seedling trays T into a long seedling tray T, it is not necessary to frequently supply the seedling tray T to the seedling stage 90, and the operation of supplying the seedling tray T to the seedling stage 90 Can be made more efficient. Further, when two or more (cell) seedling trays T are connected by inserting a protrusion provided at the front end of each seedling tray T into a hole provided at the rear end of the adjacent seedling tray T, each seedling tray T The seedlings can be appropriately transplanted even in the seedling tray T that is formed by connecting a plurality of seedling trays T and having a long band shape.

  As shown in FIGS. 7 and 8, a vertical movement drive shaft 98 is provided in the left and right direction between the left and right side plates 97, and a vertical movement driven shaft 99 is provided between the left and right side plates 97 in the left and right direction. A pair of left and right drive sprockets 100 are fixed to the drive shaft 98, and a pair of left and right driven sprockets 101 are fixed to the driven shaft 99. Further, an endless chain 102 is hung between the drive sprocket 100 and the driven sprocket 101, and the gap between the pot portions P in the vertical direction (vertical direction) of the seedling tray T is attached to the chain 102. A conveying pin 103 that engages with the right and left is attached in an inward protruding manner in the left-right direction. Therefore, the seedling tray T is pushed by the conveying pin 103 by the drive shaft 98 being driven to rotate in the direction of arrow A as shown in a cross-sectional view perpendicular to the plane of the mounting plate 96 in FIG. It can be moved vertically. The left and right side plates 97 are connected by other connecting members in addition to the longitudinal movement drive shaft 98 and the driven shaft 99.

  In the seedling tray moving device 40, the vertical and horizontal dimensions of the seedling tray T are the same and 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, in the vertical and horizontal arrangement directions). Two kinds of seedling trays T (with different pitches between the centers of the pot parts P and the number of pot parts P) are mounted. Therefore, the transport pin 103 is engaged with each between the pot parts P. Instead, the gap between the vertical pot portions P of the two kinds of seedling trays T is provided at a position where they coincide with each other in the vertical direction.

  Here, the lateral movement of the seedling tray T (left-right direction toward the moving direction of the transplanter) will be described. Left and right bearing members disposed on the left and right sides of the seedling mount 90 and attached to and supported by the left and right heel frames 95 A lateral movement shaft 105 (FIG. 8) in which a special screw (Napiya screw) is formed between 104 and passing through the left and right side plates 97 and connecting the valleys of the left and right screws cut at the same pitch is supported rotatably around the left and right axes. The slider 106 that engages with a special screw on the shaft is fitted on the lateral movement 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 to the lateral movement shaft 105 from the planting part mission case 30 via a winding transmission mechanism (not shown) in the transmission case 108, and the lateral movement shaft 105 is intermittently rotated. When the lateral movement shaft 105 is driven to rotate intermittently, the slider 106 intermittently moves in the left-right direction and is folded back at the end of the screw formed on the lateral movement shaft 105, so that the seedling stage 90 reciprocates in the left-right direction. It has come to be.

  The horizontal movement shaft 105 is stopped when the seedling S is taken out from the pot part P by the seedling picking claw 41, and rotates after the seedling S is taken out from the pot part P. It is configured to intermittently rotate so as to move the seedling mounting table 90 by one pitch in the arrangement direction (left-right direction). The lateral movement amount can be switched in the transmission case 50 so that the lateral movement amount corresponding to the pitch in the lateral direction of the pot portion P of the two kinds of seedling trays T used selectively can be selected. .

  Next, the vertical movement mechanism of the seedling tray T (front-back direction toward the moving direction of the transplanter) will be described. The vertical movement cams 109 are fixed to the left and right sides of the horizontal movement shaft 105, and A vertical movement operating shaft 110 is rotatably supported between the side plates 97. The vertical movement operating shaft 110 has a follower that engages with the vertical movement cam 109 when the seedling stage 90 moves to the leftmost end or the rightmost end. A pair of left and right 111 is provided. Further, the longitudinal movement operating shaft 110 is interlocked and coupled to a longitudinal movement means 113 provided on the left end side of the longitudinal movement drive shaft 98 via a link 112 or the like.

  When the seedling stage 90 moves to the left and right ends, the follower 111 is pushed by the longitudinal movement cam 109 to rotate the longitudinal movement operation shaft 110 and the longitudinal movement means 113 is operated via the link 112. The vertical movement 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 seedling 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. The portion of the seedling tray T after the seedling S is taken out is folded back to the lower surface side of the mounting plate 96 along the drive sprocket 100. As shown in FIGS. The lower part of the base 90 is formed in a circular arc shape with the plate material centered on the axis of the longitudinally moving drive shaft 98, and guide members 114 for guiding the seedling tray T along the drive sprocket 100 are provided on both the left and right side sides and It is fixedly attached to the center.

  The guide members 114 on both the left and right sides respectively hold down the left and right edge sides of the top 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 placement plate 96. A member 115 is provided. The holding member 115 is formed by bending an elastically deformable steel bar, the base side 115a is fixedly attached to the guide member 114, and the midway part is in contact with the upper surface of the seedling tray T and elastically presses it. However, the tip side is configured to be separated from the seedling tray T.

  A restricting means 116 for restricting the movement in the direction away from the placement surface 96a of the seedling tray T is disposed on the front side of the left and right pressing members 115 in the vertical movement direction of the seedling tray T. The regulating means 116 is formed by bending an elastically deformable steel bar, the midway portion is a pressing portion 116a that contacts the upper left and right side edges of the seedling tray T, and the one end side serves as the pressing portion 116a. The mounting portion 116b is attached to the side plate 97 so as to be elastically pressed to the T side, and the other end side is a knob portion 116c formed in an arch shape.

  The attachment portion 116b is rotatably attached to the side plate 97 by a bolt 93, and a restriction posture position for restricting the movement of the pressing portion 116a away from the placement surface 96a of the seedling tray T (FIGS. 9 to 9). 12 is indicated by a solid line), the holding part 116c is gripped to raise the pressing part 116a and the regulating means 116 is rotated outward in the left-right direction around the attachment part 116b, so that the seedling tray T is placed on the placement plate 96. The restricting means 116 can change its posture to a retracted posture position (indicated by a phantom line in FIG. 12) that can be placed from the vertical direction.

  As shown in FIG. 9, the mounting plate 96 of the seedling mounting table 90 is provided with a detecting means 117 for detecting the passage of the seedling tray T located in the vicinity of the right (or left) regulating means 116. Yes. The detection 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, a biasing member 119 that biases the contact member 118 toward the pot portion P, and a micro And a contact sensor 120 such as a switch.

  The contact member 118 is supported by a support member 121 whose front side in the vertical movement direction of the seedling tray is fixed to the lower surface side of the placement plate 96 so as to be rotatable around the left and right axes via a support shaft 122. Through the opening 123 formed in 96, it is possible to project to the placement surface 96 a side of the placement plate 96 so as to be freely retractable. The contact member 118 is in contact with the lower surface of the mounting plate 96 and has a stopper 124 that restricts the rotation of the contact member 118 in the protruding direction (the direction protruding from the opening 123 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 in the seedling tray vertical movement direction is fixed to the support member 121, and the front side in the seedling tray vertical movement direction is in contact with the lower surface of the contact member 118, The contact member 118 is urged in the protruding direction by an elastic force. The contact sensor 120 is fixedly attached to the support member 121, and the contact 120 a is in contact with the middle portion of the biasing member 119.

  Accordingly, the contact member 118 is pressed by the pot portion P and retracted to the lower surface side of the mounting plate 96 while the seedling tray T is passing over the detection means 117 as indicated by a virtual line in FIG. Then, the contact 120a of the contact sensor 120 is pressed via the biasing means 119, and the presence of the seedling tray T is detected. Then, as shown by the solid line in FIG. 9, when the seedling tray T passes over the detection means 117, the last pot portion P is separated from the contact member 118, and the contact member 118 is placed by the urging member 119. While projecting to the surface 96a side, the pressing of the contact 120a of the contact sensor 120 is released, and it is detected that the seedling tray T is separated from the detection means 117, that is, the passage of the seedling tray T.

  When the detection means 117 detects the passage of the seedling tray T, the detection means is operated to notify the operator that the seedling tray T has to be replenished by operating a notifying means including a buzzer and a lamp. Further, in the example shown in FIG. 9, when the second pot part P from the rear of the pot part P in the longitudinal arrangement direction comes to the seedling extraction position by the seedling extraction claw 41, the detection means 117 is placed on the seedling tray T. Although the passage is detected and the seedling tray T is replenished, the passage of the seedling tray T may be detected on the front side of the pot portion P in the longitudinal arrangement direction.

  When the operator knows that the seedling tray T has passed the detection means 117 by the operation of the notification means, the operator changes the posture of the right and left regulating means 116 to the retracted position and places the seedling tray T on the placement plate 96. After the replenishment, the left and right regulating means 116 are returned to the regulating posture. As described above, since the detection unit 117 is provided in the vicinity of the regulation unit 116, it is possible to prevent malfunction of the detection unit 117 due to the raising of the seedling tray T. Accordingly, the place where the detection unit 117 is provided may be anywhere as long as the lifting of the seedling tray T can be regulated by the regulation unit 116.

  The regulating means 116 may regulate the lifting of the seedling tray T just by contacting the seedling tray T without pressing the left and right side edges of the top surface of the seedling tray T, and the contacting member 118 You may make it contact the upper wall of T (part which connects the opening edge of the pot part P) lower surface. Further, as the detecting 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.

The (cell) seedling tray T of the present embodiment is arranged on the seedling mounting base 90 as a band-shaped seedling tray T by connecting the seedling trays T in a strip shape as described above. Moreover, when it becomes longer than the upper surface of the seedling mounting base 90, it can arrange | position on the mounting board extension part 129 provided in the front side of the seedling mounting base 90.
The seedling stage 90 is arranged in a state where the front part is high and the rear part is low above the rear part of the traveling part 1a, and a long band-shaped seedling tray T is placed on the inclined upper surface of the seedling stage 90, A seedling device 43 that takes out seedlings one by one from the seedling tray T and supplies the seedlings to a seedling planting tool 42 provided in the seedling planting device 5 is disposed between the seedling mounting stage 90 and the seedling planting device 5. Yes.

In addition, the band-shaped seedling tray T is sequentially transferred from the upper surface of the seedling mount 90 toward the rear and lower side, and the seedlings in each cell in the seedling tray T are sequentially connected to the seedling supply cup 221 by the seedling removing device 43. The seedling tray T, which is supplied to the seedling planting tool 42 and has no seedlings, is provided with a plurality of members (vertical movement operation shaft 110, vertical movement cam 109, follower 111, link 112, The vertical movement drive shaft 98 and the vertical movement means 113) are fed forward in a state of wrapping backward and downward from the upper surface of the seedling stage 90, and are provided between the traveling mission case 7 of the traveling unit 1a and the seedling stage 90. The wound belt-shaped seedling tray T is wound around a winding device 55 for winding.

The winding device 55 includes a winding device support case 94 having a base attached to the side surface of the seedling mount 90, a power transmission member (not shown) provided in the winding device support case 94, and the winding device 55. The winding roller 125 is provided at the tip of the winding device support case 94, and the surface of the winding roller 125 is provided with irregularities to make it easy to wind the belt-shaped seedling tray T. A driving force is transmitted to the winding roller 125 from the longitudinally driven follower shaft 99 of the seedling stage 90, and the winding roller 125 rotates in accordance with the seedling feeding timing of the seedling stage 90.
With the above-described configuration, the winding device 55 that winds up the used belt-shaped seedling tray T is provided between the traveling mission case 7 of the traveling unit 1a and the seedling mount 90. Recovery became easier.

  The power transmission to each of the drive units is as follows: the power from the transmission system in the planting mission case 30 through the transmission case 108 to the lateral movement and vertical movement members of the seedling tray T by the seedling mount 90 of the seedling supply device 4. Since transmission can be performed and power can be transmitted to the seedling device 43 via the transmission chain 53a in the transmission case 53 via the transmission system of the seedling platform 90, the seedling platform 90 and the seedling device 43 can be transmitted. The power transmission mechanism can be made with a relatively simple configuration.

  In addition, there is a space between the seedling supply device 4 and the planting mission case 30 where the empty band-shaped seedling tray T that has received the seedling passes forward, so that the winding device provided below the seedling supply device 4 Since the empty seedling tray T can be recovered at 55, the recovery of the empty tray T is facilitated, and the work efficiency is improved.

  Further, when the mounting plate extension 129 is detachably arranged, the mounting plate extension 129 is removed from the seedling mounting base 90, so that each seedling tray T that is not connected in a band shape can be used as a normal seedling tray that is used individually. It can also be used as a seedling transplanter that can be used. In this case, the seedling transplanter 1 can be easily stored in a garage or the like. When the mounting plate extension 129 is installed, an extension receiving portion 92 provided on the bottom surface of the mounting plate extension 129 and a support member 56 that supports the extension receiving portion 92 from below the fuselage. Provide.

In addition, auxiliary seedling stands 126 and 127 are provided on the front left and right of the machine body. The auxiliary seedling tables 126 and 127 are provided below the seedling table 90 so as not to obstruct the movement of the seedling tray T on the seedling table 90 and the mounting plate extension 129. Further, the front of the auxiliary seedling stand 126, 127 is configured to bend up. Therefore, not only the long seedling tray T can be stored, but also the seedlings can be easily taken from the auxiliary seedling stand 126, 127. In addition, it is difficult for seedlings to fall off from the auxiliary seedling stands 126 and 127 when the aircraft is turning.
The left auxiliary seedling stand 126 is provided to be slidable backward. By doing so, the seedling can be taken out from the auxiliary seedling stand 126 on the left side that has been slid during the semi-automatic seedling extraction described later.
In addition, since the empty tray box 128 (see FIG. 1) capable of storing empty trays is provided under the auxiliary seedling table 126, 127, empty trays after use or before use can be stored.

Next, the seedling planting device 5 will be described.
FIG. 15 shows a side view of the seedling planting device 5, and FIG. 16 shows a plan view. The seedling planting device 5 includes a cup-shaped seedling planting tool 42 having a sharp lower end. The seedling planting tool 42 includes a front side member 42a and a rear side member 42b, and left and right front side member attachments rotatably supported by a front member rotating shaft 161A located behind the seedling planting tool 42. The front member 42a is integrally attached to the arm 162A, and the rear member 42b is attached to the left and right rear member attachment arms 162B that are rotatably supported by the rear member rotation shaft 161B located in front of the seedling planting tool 42. It is attached integrally. Therefore, when both members 42a and 42b rotate with the rotation shafts 161A and 161B as fulcrums, the lower portion of the seedling planting tool 42 opens and closes. The front member 42a and the rear member 42b rotate in conjunction with each other by an interlocking pin 163 loosely fitted in a slot formed in the front member mounting arm 162A and the rear member mounting arm 162B. Between the leg 162aA of the front member mounting arm 162A and the leg 162aB of the rear member mounting arm 162B, a spring 164 that urges the front member 42a and the rear member 42b to close is stretched. The seedling planting tool 42 performs a predetermined operation by the following operation mechanism.

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

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

  When the seedling planting tool 42 is at the top dead center, the seedling supply device 4 drops and supplies the seedling. The supplied seedling is guided into the seedling planting tool through a cylindrical seedling guide 176 attached to the front member rotating shaft 161A and the rear member rotating shaft 161B. The seedling planting tool 42 holding the seedling descends, and at the bottom dead center, the lower part of the seedling planting tool 42 pierces the topsoil portion of the cocoon to form a seedling transplanting hole. Almost simultaneously with this, the seedling planting tool 42 opens, and the held seedling is opened into the seedling transplanting hole. The seedling planting tool 42 rises as it is, and when it rises to near the top dead center, the seedling planting tool 42 is closed.

  Note that power is transmitted from the planting part mission case 30 through a winding transmission mechanism (not shown) in the transmission case 108 and the seedling tray moving device 40 and the seedling collecting device 43 are driven. A clutch is provided at a site where power is transmitted from the attached transmission case 30 to the winding transmission mechanism, and the clutch is disengaged by the automatic transplant stop lever 250 disposed on the operation panel 202 (FIGS. 1 and 2), and the seedling tray Only the moving device 40 and the seedling collecting device 43 can be stopped.

  The turntable 220 in which a plurality (eight in the embodiment) of seedling supply cups 221... Are arranged at equal intervals on the circumference is the center of the left and right of the machine body, and the position where the seedlings placed in the seedling supply cup 221 are opened is the seedling. It arrange | positions so that it may be just above the planting tool 42. FIG. As shown in the bottom view of FIG. 13, the turntable 220 is rotatably provided on a support plate 222 whose base is fixed to the main frame 14 with a central axis 223 as a fulcrum. The central shaft 223 is a drive shaft for the electric motor 224. Then, the electric motor 224 is driven and controlled, and the turntable 220 rotates intermittently by the attachment interval of the seedling supply cups 221 in synchronization with the operation of the seedling planting tool 42.

  The seedling supply cups 221 communicate with each other vertically, and a shutter 225 that can be freely opened and closed is attached to the bottom thereof. Directly below the seedling supply cups 221... Are provided with a C-shaped shutter closing rod 226 whose front center is cut in plan view. For this reason, the shutter 225 of the seedling supply cup 221 at the seedling supply position P (immediately above the seedling planting tool 42) corresponding to the cut-out portion of the C-shape is opened by a spring biased toward the opening side. The shutters 225 of the seedling supply cups 221 at the position are closed by being restricted by the shutter closing rod 226.

  Therefore, the seedlings taken out from the seedling tray T by the seedling picking nails 41 are released into the seedling supply cup 221 in which the shutter 225 of the turntable 220 is opened, and the seedlings pass through the seedling supply cup 221 and are planted. A drop is supplied into the attachment 42. Then, the seedling planting tool 42 transplants the seedling into the cocoon, and thereafter, the following pair of left and right pressing wheels 180 gently press the left and right side portions of the seedling.

A pair of left and right pressure-reducing wheels 180 are disposed behind the seedling planting position. The left and right pressure-reducing wheels 180 are rotatably mounted in the middle of a swing frame 187 that is 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 center of the left and right of the rear end portion of the swing frame 187, and the upper end portion of the rod 188 has a base portion fixed to the rear end portion of the main frame 14. The support arm 189 is supported through the through hole 189a. The rod 188 is provided with a weight 190 penetrating through the rod 188. By adjusting the number of the weights 190, the pressure reducing load of the left and right pressure reducing wheels 180 can be adjusted. The hairpin 191 prevents the rod 188 from coming out of the through hole 189a of the support arm 189.
The left and right pressure wheels 180 are attached obliquely so that the distance between them is narrower toward the lower part, rolls on the heel surface as the aircraft advances, and removes the soil around the seedling transplant hole after the seedling has been planted. It collapses to refill the hole and lightly crushes the trace.

  FIG. 4 is a perspective view of the sensor 192 installation portion. The sensor 192 detects the upper surface of the eaves. When the sensor 192 is rotated up and down, the rotation is transmitted to the vertical control valve 20a by the link mechanism 193, and the angle of the sensor 192 is returned to the original direction. 21 is activated. Thereby, the aircraft is controlled to move up and down so that the height from the upper surface of the cocoon to the aircraft is kept constant, and the planting depth of the seedlings is always controlled regardless of the change in the height of the cocoon, The growth of seedlings after planting is good.

  The sensor 192 is pivotally supported by a shaft 196 on an arm 195 whose rear end is fixed to a rotating shaft 194 pivotally supported on the left side of the main frame 14 and whose front end extends forward. Has been. The rotation shaft 194 is connected to the base of the planting depth adjustment lever 197. When the planting depth adjustment lever 197 is engaged and locked with the adjustment engagement portion of the engagement guide 198, the rotation shaft 194 is fixed. The rotation of the rotation shaft 194 is fixed, so that the vertical height of the shaft 196 of the arm 195 is fixed. Therefore, the sensor 192 rotates around the shaft 196 while sliding on the top surface of the arm 195, Thus, the planting depth of the seedling is controlled to be constant regardless of the height change of the cocoon. Then, by adjusting the position of the planting depth adjustment lever 197 with respect to the adjustment engagement portion of the engagement guide 198 and engaging and locking it, the vertical height position of the shaft 196 of the arm 195 is set. Since it can be adjusted, the planting depth of the seedling can be adjusted because the reference position for controlling the height of the aircraft relative to the cocoon can be freely set.

  As shown in the hydraulic circuit diagram of FIG. 14, the left / right tilt control valve 20b in the hydraulic valve unit 20 switches in conjunction with the movement of the left / right tilt detection pendulum 200, and the aircraft tilts left and right. Then, the rolling cylinder 27 is actuated as appropriate, and control is performed so that the machine body is returned to the horizontal direction. The steering handle 6 is substantially U-shaped in plan view with both ends extending rearward, and left and right grips 6a are attached to both ends. When turning or traveling on the road, the operator holds the left and right grips 6a to operate.

  Left and right side clutch levers 201 are respectively provided below the left and right grips 6a. In addition, an operation panel 202 is provided at the base of the steering handle 6, and a planting clutch for turning on / off a planting clutch that is transmitted to the seedling supply device 4 and the seedling planting device 5 and an operation for raising and lowering the aircraft are provided on the operation panel. A lift lever 203, a main clutch lever 204 for turning on / off the main clutch, an inter-strain adjustment lever (not shown) for adjusting the seedling planting interval, and the like are provided.

The operation | work which transplants a vegetable seedling to a farm field with said vegetable transplanter 1 is demonstrated.
First, a seedling tray T connected to a plurality of seedling trays T across the seedling mounting table 90 and the mounting plate extension 129 is loaded, and if necessary, the auxiliary seedling mounting tables 126 and 127 are also loaded. A seedling tray T is placed. Then, the operator operates the main clutch lever 204 to move the left and right front wheels 3 and the left and right rear wheels 2 along the troughs, and operates the planting lift lever 203 to operate the planting clutch. And the body control mechanism is set to the control state, and the transplanting operation is started. At this time, the seedling picking claws 41 take out seedlings one by one from the seedling tray T of the seedling mounting table 90 that reciprocates left and right, and discharge them into the seedling supply cup 221 in which the shutter 225 of the turntable 220 is opened. The seedling passes through the seedling supply cup 221 and is dropped and supplied into the seedling planting tool 42. Then, after the seedling planting tool 42 has planted the seedling in the cocoon, the pair of left and right pressing wheels 180 lightly pressurizes the left and right sides of the seedling.

When the seedling tray T placed on the seedling stage 90 is viewed while checking the seedling transplanting state of the planting unit 1b, it is determined that it is necessary to supply a new seedling tray T. The seedlings can be taken out from the auxiliary seedling stands 126 and 127 on both sides of the seedlings and can be supplied to the seedling mounting stage 90 of the seedling tray moving device 40, so that the work efficiency is good.
The left auxiliary seedling stand 126 is slidably provided rearward. By doing so, the seedlings can be taken out from the auxiliary seedling stand 126 on the left side when the seedlings are extracted in the semi-automatic manner.

Next, a transplanting operation when the above-described automatic transplanting operation cannot be performed with a large seedling or a seedling with poor growth will be described.
First, the automatic transplant stop lever 250 disposed on the operation panel 202 is operated to stop the driving of the seedling tray moving device 40 and the seedling collecting device 43. At this time, if the seedling stage 90 is stopped at the center of the left and right sides of the aircraft, the left and right balance of the aircraft is good and good running performance is exhibited, so that an appropriate seedling transplanting operation can be performed. And while the worker walks in the ridge groove behind the left rear wheel 2 at the rear of the machine body, the main clutch lever 204 is operated to move the left and right front wheels 3 and the left and right rear wheels 2 along the ridge groove and advance the machine body. By operating the planting lift lever 203, the planting clutch is engaged and the body control mechanism is set in the controlled state to perform the transplanting operation. At this time, the seedling tray moving device 40 and the seedling collecting device 43 are stopped, but the turntable 220 and the seedling planting tool 42 are operating, and the operator has been placed on the spare seedling mounting tables 126 and 127. A seedling is taken out from the seedling tray T and supplied to each seedling supply cup 221. When the seedling supply cup 221 containing seedlings moves to the seedling supply position P due to the rotation of the turntable 220, the shutter 225 opens and the seedlings fall into the seedling planting tool 42. Then, the seedling planting tool 42 transplants the seedling into the cocoon, and thereafter, the following pair of left and right presser wheels 180 gently press the left and right sides of the seedling.
Therefore, even when the above-described automatic transplanting operation cannot be performed due to a large seedling or a seedling that does not grow well, even if the worker supplies the seedling to the turntable 220, a large seedling or a seedling that does not grow well can be planted.

Moreover, in the said Example, although the example which stops the seedling tray moving apparatus 40 completely was shown, switching to the structure which extracts the seedling from the seedling tray T by the said seedling pick-up apparatus 43 semiautomatically is also enabled. it can. The specific configuration for this is as follows.
Only the drive for vertically feeding the seedling tray T of the seedling tray moving device 40 is operated, the seedling mounting table 90 is stopped at the left end position of the machine body, the seedling tray T is supplied to the seedling mounting table 90, and the operator The seedlings on the seedling mount 90 to be fed may be sequentially taken out and supplied to the turntable 220.

A method of manually extracting seedlings from the semi-automatic seedling tray T and placing seedlings in the hopper 42 of the seedling planting device 5 is advantageous, and is advantageous when planting large seedlings.
In this manner, semi-automatic seedling extraction can be performed when the seedling tray T of the seedling stage 90 is always returned to the center of the machine body.

The extraction claws 41 for extracting the seedlings from the seedling tray T are located at the center of the left and right sides of the machine body. It does not get in the way.
In this way, large seedlings can be properly planted semi-automatically.

  In addition, in the said Example, although the operation example transplanted to a cocoon was shown, it is the same also when transplanting a seedling to a flat agricultural field. In addition, examples of vegetable seedlings include leaf vegetable seedlings such as cabbage and Chinese cabbage, root vegetable seedlings such as radish and sweet potato, and fruit vegetable seedlings such as Nanban and Saiban. But it ’s okay.

It is the whole vegetable transplanter side view. It is a whole top view of a vegetable transplanter. It is a perspective view of the connection part of a run part and a planting part. It is a perspective view of a sensor part. It is a body right side view of a seedling device part. It is the top view of the seedling device part which looked at FIG. 5 from upper direction. It is a top view of a seedling stand. It is a plane sectional view of a seedling tray moving device part. It is side surface sectional drawing by which effect | action description of a seedling stand is carried out. It is an effect explanation top view of a seedling stand. It is operation | movement description front sectional drawing of a seedling mounting stand. It is a function explanatory perspective view of a control means. It is a bottom view of a turntable. It is a hydraulic circuit diagram. It is a side view of a seedling planting apparatus. It is a top view of a seedling planting apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seedling transplanter (vegetable transplanter) 1a Traveling part 1b Planting part 2 Left and right rear wheel 3 Left and right front wheel 4 Seedling supply device 5 Seedling planting device 6 Steering handle 7 Traveling mission case 9 Engine 10 Hydraulic pump 11 Fuel tank 12 Bonnet 13 Connecting frame 14 Main frame 15 Left / right pivoting cylinder portion 16 Left / right traveling transmission case 17 Front wheel support frame 18 Front wheel support rod 20 Hydraulic valve unit 20a Vertical control valve 20b Left / right tilt control valve 21 Lifting cylinder 22 Balance rod 23 Mounting member 24 Guide shaft 25 Left and right swing arm 26 Left and right connecting rod 27 Rolling cylinder 30 Planting part transmission case 31 First planting transmission case 32 Second planting transmission case 33a Supporting part 35 Bolt 40 Seedling tray moving device 41 Seedling extraction claw 42 Seedling planting tool 43 Seedling device 44 Claw drive mechanism 4 5 Claw support body 46 Claw guide body 47 Support tool 48 Connection frame 49 Support body 50 Transmission case 51 Input shaft 53 Transmission case 53a Transmission chain 55 Winding device 56 Support member 57 Crank 58 Crank pin 59 Drive cam 60 Swing arm 61 Swing Driving shaft 62 Groove cam 63 Roller 64 Pin 65 Indicator member 66 Bracket 67 Roller 68 Pin 69 Guide plate 70 Cam groove 71 Rolling roller 72 Spring 73 Base body 74 Coil spring 75 Claw fitting 76 Shaft 77 Extrusion link 78, 80 Pin 79 Long groove 81 Cam plate 82 Guide part 83 Actuating member 84 Stopping tool 85 Coil spring 86 Actuating piece 86a Lock part 86b Release part 86c Pushing part 87 Lock arm 88 Engagement part 89 Grain part 90 Seed base 91a, 91b Guide rail 92 Extension part Receiving part 93 Bolt 94 Winding Support case 95 Left and right vertical frame 96 Placement plate 96a Placement surface 97 Left right side plate 98 Vertical movement drive shaft 99 Vertical movement driven shaft 100 Drive sprocket 101 Driven sprocket 102 Endless chain 103 Conveying pin 104 Left and right bearing member 105 Horizontal movement shaft 106 Slider 107 Engagement piece 108 Transmission case 109 Vertical movement cam 110 Vertical movement operation shaft 111 Follower 112 Link 113 Vertical movement means 114 Guide member 115 Pressing member 116 Restriction means 117 Detection means 118 Contacting member 119 Biasing member 120 Contact sensor 121 Support member 122 Support shaft 123 Opening portion 124 Stopper 125 Winding rollers 126, 127 Auxiliary seedling stand 128 Empty tray box 129 Placement plate extension portion 161A Front member rotation shaft 161B Rear member rotation shaft 162A Left and right front member attachment 162B Rear member mounting arm 164 Spring 167A Rear link support arm 167B Front link support arm 168A Rear link 168B Front link 169A Rear link drive arm 169B Front link drive arm 171 Open / close arm 172 Rod 173 Open / close cam 174 Roller 176 Seedling guide 180 Suppression Wheel 186 Support frame 187 Swing frame 188 Rod 189 Support arm 190 Weight 191 Hairpin 192 Sensor 193 Link mechanism 194 Rotating shaft 195 Arm 196 Shaft 197 Planting depth adjustment lever 198 Engagement guide 200 Pendulum 201 Side clutch lever 202 Operation panel 203 Planting lift lever 204 Main clutch lever 212 Seat 215 Empty tray storage section 220 Turntable 221 Seedling supply cup 222 Support plate 223 Central shaft 2 4 electric motor 225 shutter 226 shutter closing rod 250 automatic population stop lever 301 cover T seedling tray

Claims (2)

A traveling unit (1a) having a traveling unit transmission case (7) equipped with a traveling transmission device for transmitting power to the front and rear wheels (2, 3) and one of the front and rear wheels (2, 3). In a seedling transplanting machine comprising a seedling feeding device (4) having a stand (90) and a planting part (1b) having a seedling planting device (5) having a seedling planting tool (42),
The seedling stage (90) is arranged above the traveling part (1a) with the front part being high and the rear part being low so as to be movable in the left-right direction in the direction of advancement of the seedling transplanter. A seedling tray (T) is placed on the upper surface, and a seedling collecting device (43) for taking out seedlings one by one from the seedling tray (T) and supplying them to the seedling planting tool (42) is placed on the seedling mounting platform (90 ) A seedling transplanting machine arranged above the seedling planting device (5) at the rear.   A plurality of seedling trays (T) are connected to form a strip-shaped seedling tray (T), and the strip-shaped seedling tray (T) placed on the upper surface of the seedling mounting base (90) is sequentially transferred from the upper surface toward the rear and downward. A winding device (55) for winding a belt-shaped seedling tray (T) which is provided on the seedling stage (90) and is fed forward from the upper surface of the seedling stage (90) and fed forward. The seedling transplanting machine according to claim 1, wherein the seedling transplanting machine is provided between the traveling part (1a) and the seedling placing stand (90).

Images