JPH07108128B2 - Seedling stand such as vegetable transplanter - Google Patents

Description

TECHNICAL FIELD The present invention relates to a structure of a rear portion of a seedling mounting table such as a vegetable transplanter.

[Prior Art] Cabbage grown in a seedling raising device in which pots made of materials such as pulp materials and natural fibers that corrode in soil are arranged side by side vertically and horizontally,
There is a vegetable transplanter that divides vegetable seedlings such as Chinese cabbage into each pot and transplants them into the field.

The seedling mounting table of this type of vegetable transplanter moves a left and right of a vegetable seedling and reciprocates left and right, and a moving frame that intermittently transfers the placed seedling to the rear in synchronization with the reciprocating operation. It consists of a receiving frame that is fixed to the transplanter body on the rear side of the bottom plate of the frame, has a seedling take-out port in the center, and a comb-shaped pot holder in rear view that is provided at the rear end of the moving frame. The last row of seedlings that are received and supported by the holder and located on the receiving frame,
The reciprocating movement of the moving frame supplies the seedlings one by one.

[Problems to be Solved by the Invention] However, in the conventional seedling placing table, since the pot holder is provided at right angles to the receiving frame in a side view, in the case of a seedling in which the leaves have grown large, the leaves are moved forward by the pot holder. The leaves of the last row and the seedlings in the front row were entangled with each other, and the leaves of both rows were damaged during transplanting, or the seedlings in the front row were taken out.

[Means for Solving Problems] In order to solve the above problems, the present invention has the following configuration.

That is, the seedling mounting table according to the present invention, such as a vegetable transplanter for transplanting vegetable seedlings cultivated in a nursery device in which pots made of paper and the like are arranged side by side in a row and dividing each pot into a field. A seedling mounting table, which is provided with a moving frame for placing the seedlings, reciprocating left and right and transferring the seedlings appropriately backward, and fixed to the transplanting machine body on the rear side of the bottom plate of the moving frame. It is provided with a receiving frame having a seedling take-out port and a pot holder for receiving and supporting the last row of seedlings located on the receiving frame from the rear side, and the pot holder is formed in a shape projecting from the upper part to the rearward from the lower part. It is characterized by that.

[Operation] The pot holder is formed in a shape in which the upper portion projects backward rather than the lower portion, and the lower portion of the pot holder receives and supports the pot portion of the seedling. However, the leaves are not pushed forward by the pot holder, and the leaves in the last row and the leaves in the front row are not intertwined with each other.

[Examples] Examples described in the drawings will be described below.

This vegetable transplanter 1 has an engine 2 provided at the front end of the machine body.
The traveling mission case 3 is arranged in the rear part, and the front wheel transmission cases 6, 6 are provided obliquely rearward and downward at the tips of the rotating cylinders 5, 5 projecting from the left and right sides of the transmission case. Front wheels 7,7 as propelling wheels are pivotally supported at the lower end of the case. The left and right front wheels 7, 7 can be moved up and down by being linked with each other by an elevating mechanism described later.

A front transmission frame 10 having a transmission shaft therein is extended rearward and fixedly connected to one rear side (left side in the illustrated example) of the mission case 3, and a transplantation mission case 11 is provided at a rear end thereof. ing. A rear transmission frame 14 having a transmission shaft therein for transmitting to a transplantation device 13 to be described later extends rearward from the transplantation section mission case 11, and a handle support frame 15 is further provided at a rear end of the transmission frame 14.
Is projected rearward. This handle support frame
A steering handle 17, various operation levers, and the like are attached to 15 and a fixed plate 16 fixed to this. On the other hand, a side frame 20 is provided on the side opposite to the front transmission frame 10 (right side in the illustrated example) so as to face it. Both frames 10,2
0 is connected by a horizontal frame 21 whose right end projects outward. A bracket 22 having a U-shape in a plan view is fixed to the horizontal frame 21, and the bracket 22 and the fixing plate are fixed.
A reinforcing frame 23 is provided between the two. These running cases and transplantation mission cases 3, 11 and each frame
10,14,15,20,21,23 form the body frame of the vegetable transplanter 1.

A rear wheel support shaft 26 is horizontally mounted at a lower rear position of the horizontal frame 21 by the bracket 22 and a bracket 25 fixed to the transplant portion mission case 11. Rear wheel support arms 27, 27 are rotatably attached to both ends of the support shaft 26, and left and right rear wheels 28, 28 are pivotally supported at the lower ends of the arms. The rear wheels 28, 28 also move up and down in association with the front wheels 7, 7. Further, a soil excavator 30 and a soil cover device 31 described later are attached to the rear wheel support shaft 26.

On the upper part of the machine, a seedling stand 35 composed of a moving frame 33 and a receiving frame 34.
Are slightly inclined so that the front part is on the upper side. The moving frame 33, which occupies most of the seedling mount 35, is the left and right side plates.
36a, 36a and front and rear bottom plates 36b, 36c constitute a frame 36, and a pair of front and rear rolls 38 are provided in a bottom opening formed between the front and rear bottom plates.
A seedling transfer belt 38 stretched around a and 38b is provided at the same height as the front and rear bottom plates. As the transplant seedling 300, a paper-made seedling raising device 3 in which pots 301a, ... As shown in FIG.
The pot-shaped thing that was raised in 01 is used, and the bottom plate on the rear side
36b is shaped into a waveform with a cycle corresponding to the width of the pot when viewed from the rear. The moving frame 33 is supported by front and rear rails 39 and 40 so as to be slidable in the left and right directions. The receiving frame 34 is formed integrally with the rear rail 40, is provided adjacent to the rear part of the bottom plate 36c on the same plane as the bottom plate, and a seedling take-out port 41 is formed in the left and right center parts. An opening / closing body that opens and closes at the seedling take-out port to receive and not receive the bottom of the pot
42 are provided.

A pot holder 43 for receiving the seedlings transferred to the receiving frame 34 so as not to drop is provided at the rear of the seedling placing table 35. The pot holder 43 is a hook-shaped side plate portion 44a, 44.
A bracket 44, in which rear end portions of a are connected to each other by a horizontal plate portion 44b, is rotatably provided on the rear end portions of the side plates 36a, 36a of the moving frame by pins 45, 45, and a piano is provided on the front surface of the horizontal plate portion 44b. The pot receiving rods 47 formed by lines or the like are attached so as to hang downward at intervals of the pot width. Since the lower portion of each pot receiving rod 47 is bent and formed slightly forward, the upper portion projects rearward and the upper portion is deepened accordingly. Then, brushes 50 in which hairs are planted are attached by bolts 52, 52 to the front and rear elongated holes 49, 49 formed in the projections 48, 48 projecting upward and forward from the lateral plate portion 44b. . The brush 50 softly receives the leaves of the seedling and prevents the leaves from protruding toward the rear of the pot holder.
Prevent leaf damage from 5. As mentioned above, the pot receiving rod 47,
Since the upper part of the ... projects to the rear, the pot receiving rod 47,
A space is formed between the upper part of the brush and the brush 50.
The interval between the pot receiving rods 47, ... And the brush 50 can be arbitrarily adjusted by changing the mounting positions of the bolts 52, 52 in the elongated holes 49, 49. Further, hooks 57, 57 having concave portions 55 engaging with the convex portions 54 provided on the outer surface of the side plate 36a of the moving frame and having their upper end portions connected to each other by the connecting rod 56 are the side plate portions 44a, 44a of the bracket. It is rotatably attached to. A spring 58 is interposed between the bracket 44 and the hook 47, and a hook 57 is provided in a direction in which the convex portion 54 and the concave portion 55 are engaged with each other.
Is biased, the pot holder 43 is in a state where the pot receiving rod and the brush close the rear end surface of the moving frame 33.

As a lateral movement device 60 of the seedling placing table 35, between the tip end of the seedling placing table transmission case 62 fixedly connected to the working section mission case 11 and the bearing member 63 provided on the projecting end of the lateral frame 21, the outer circumference is provided. The lead cam shaft 66 having the clockwise and counterclockwise spiral lead grooves 65, 65 'formed in its part is pivotally supported, and
A lead metal 67 having a lead claw that engages with the lead groove is fixed to the moving frame 33 of the seedling mounting table, and the lead cam shaft 66 rotates to allow the lead metal slidably fitted therein. The moving frame 33 is moved back and forth in the left-right direction via the metal 67, and the seedlings in the last row on the receiving frame 34 are sequentially taken out from the seedling take-out port 41.
It is designed to be supplied to. Further, when the moving frame 33 moves to the ends of the left and right strokes, the ratchet lever 68 fixed to the end of the shaft of the drive roll 38a is rotated in a predetermined direction by the cam 69 attached to the cam attachment shaft 122 described later,
The seedling transfer belt 38 is operated to transfer the seedlings backward by one row.

In the seedlings 300 in the last row, the pot portion 300a is supported by the lower end portion of the pot receiving rod 47, and the leaf portion 300b is elastically received by the brush 50. Since the upper portion of the pot receiving rod 47 projects rearward, the leaf portion will not be forced forward by the pot receiving rod even in the case of a seedling in which the leaves are growing large. Further, since the brush 50 is provided so that the mounting position can be adjusted forward and backward, the distance L between the pot receiving rod and the brush can be adjusted according to the type of vegetables. For example, in the case of seedlings whose leaves grow upward like cabbage, the interval (L ₁ ) is widened as shown in FIG. 10 (a), and in the case of seedlings whose leaves spread laterally like cabbage, The distance (L ₂ ) may be narrowed as shown in FIG. 10 (b). However, L ₁ > L ₂ .
As described above, by adjusting the distance L between the pot receiving rod and the brush, it is possible to set so that the leaf has an appropriate resistance, and it is possible to prevent the leaf of the last row and the leaf of the front row from being entangled.

Also, as shown by the chain line in FIG. 10 (c), the hook 5
By tilting the upper part of 7,57 forward and releasing the engagement between the convex portion 54 and the concave portion 55, the pot holder 43 is flipped up as shown by the solid line in the figure, and the rear end surface of the seedling mounting table 35 is lifted. Since it can be opened, damaged pots and defective seedlings can be easily removed.

The transplanting device 13 includes a first rotating case 71, a second rotating case 72 and a transplanting case 73, each of which has a plurality of shafts, gears and the like built therein, and the transplanting case 73 includes a pair of transplanting claws 57, 75 and a seedling extruding body 76.
Is provided. 11 to 13 are cross-sectional views showing the internal structure, which will be specifically described based on the drawings.

The first rotation case 71 is rotatable with respect to the rear transmission case 14 integrally with a rotary cylinder 81 rotatably supported by the rear transmission frame 14, and the second rotation case 72 is the first rotation case 71.
The rotary cylinder 82 is rotatably supported by the first rotary case 71. A fixed shaft 83 having one end fitted in the first rotating case 71 is provided at the rear end of the rear transmission case 14, and a sprocket 84 fixed to the rotary cylinder 81 is rotatably fitted around this shaft. In addition, the gear 85 is fitted to this shaft in the first rotating case 71. A chain 87 in the rear transmission case 14 is stretched around the sprocket 84, and the first rotating case 71 is rotated in a predetermined direction by the power transmitted through the chain. Also, the gear 85
Is meshed with a gear 89 of the rotary cylinder 82 via a counter gear 88, and when the first rotary case 71 rotates due to the action of these gear trains, the second rotary case 72 rotates in the opposite direction at twice the speed. It is designed to rotate. The first rotary case 71 is also provided with a fixed shaft 91 having one end fitted in the second rotary case 72, and the gear 92 fitted to the fixed shaft 91 is rotated through the counter gear 93 to the second rotary case 71. The case 72 is supported by the tip of the case 72, and is meshed with a gear 96 of a transplant case mounting shaft 95, one side of which is projected outside the case. The gear ratios are set so that the transplant case mounting shaft 95 rotates relative to the second rotating case 72 but does not rotate relative to the machine body.

The transplant case 73 is integrally attached to the transplant case mounting shaft 95 inserted in the case. The opening / closing cam 101 and the pushing cam 102 are arranged in parallel on the cylindrical shaft 100 fixed to the second rotating case 72 and enclosing the mounting shaft 95. Inside the transplant case 73, an opening / closing shaft 104 and an extruding shaft 105 are provided so as to be orthogonal to the cylindrical shaft 100, and a cam follower 106 that is biased by the opening / closing cam 101 is attached to the opening / closing shaft 104. A cam follower 10 is urged by the pushing cam 102 to 105.
7 is attached.

The pair of transplanted nails are a fixed nail and a movable nail, and the fixed nail 75
(A) is fixed to the side surface of the transplant case 73, and the movable claw 75
(B) is attached to the lower end protrusion of the opening / closing shaft 104. Both of the transplanted nails extend downward, and the lower end portion thereof is a spatula-shaped holding portion 75a. The extruded body 76 is attached to the lower end protruding portion of the extruded shaft 105, and the fixed transplant nail 75 is attached.
It is in sliding contact with the inner surface of (A).

Next, the operation of the transplantation device 13 will be described. The first rotation case 71 rotates counterclockwise in FIG. 1 at a predetermined speed corresponding to the rotation speed of the front wheels 7,7,
The second rotation case 72 rotates in the opposite direction (clockwise direction) at a double speed, and the transplantation case 73 draws an elongated elliptical orbit vertically to perform vertical movement. Since the transplant case mounting shaft 95 is set so as not to rotate relative to the machine body, the transplant case 73, the transplant claws 75, 75 attached to the transplant case 73, and the seedling extrusion body 76 maintain the same posture throughout. First
P in the figure represents the locus of the tip of the transplanted nail, and at the point A, that is, the position of the seedling take-out port 41, the seedling extruding body 76 is locked to the upper surface of the pot portion of the seedling 300, and the movable nail 75 (B) is closed. The seedlings located at the outlet 41 are divided into one pot seedling, which is held by a pair of transplant nails. The opening / closing body 42 of the seedling take-out opening is opened in accordance with this operation. The movable claw 75 (B) opens at the point B, that is, at the bottom of the locus, and the pot seedlings that it holds are planted in the field. Also, at the point C where the transplanted nail is slightly elevated from the point B, the seedling extrusion body 76 starts to move downward, and the seedling lifted while attached to the transplanted nail 75 (A, B) is forcibly removed from the transplanted nail. Separation ensures seedling transplantation.

The earth digging device 30 is configured such that upper and lower links 111 and 112 are rotatably pivotally attached to a frame body 110 having a gate shape in a front view, which is fixed to the rear wheel support shaft 26, and a mounting plate 114 pivotally connected to rear end portions of the upper and lower links. A pair of inverted U-shaped needle-shaped bodies 115 each having a pair of lower ends sharpened, and a plate-shaped body 116 having right and left ends bent slightly rearward and oriented in a direction perpendicular to the traveling direction are provided. The plate-shaped body 116 is fixed to the rear surface of the needle-shaped body 115 such that the lower end is positioned higher than the lower end of the needle-shaped body. A spring 118 that biases the lower link upward is fitted on the pivot 112a of the lower link. As a drive mechanism of this earth digging device 30, the upper link
Cam follower 12 made of bearings on shaft 119 provided on 111
0 is fitted, and a fan-shaped cam 123 is provided on the cam attachment shaft 122 so as to face the cam follower 120. The cam attachment shaft 122 projects from the transplantation section mission case 11, and its tip is supported by a bearing member 124 provided behind the bracket 22.

When the cam mounting shaft 122 is driven and rotated, the cam 123 rotates, and when the cam engages with the cam follower 120, the upper link 1
11 is pushed down, the needle-shaped body 115 and the plate-shaped body 116 move downward,
When the engagement is released, the spring 118 moves upward. The cam 123 has a cam surface 1 for operating the needle-shaped body 115 and the plate-shaped body 116 so as to temporarily stop at the lowermost portion.
Due to the formation of 23a, the needle-shaped body 1
The 15 and the plate-shaped body 116 move while they are submerged in the soil, and a transplant hole is formed in the field. At this time, since the plate-like body 116 crushes the soil after being scratched up by the needle-shaped body 115, the soil around the transplant hole is sufficiently fragmented. When the mulch film 303 is covered, the needle-shaped member 115 pierces and tears the needle-shaped member 115 to form a hole 303a in the film. The soil pushed forward by the plate-shaped member 116 is placed around the film hole. Therefore, the edges of the film do not come into contact with the seedlings after transplantation, which does not hinder the growth of the seedlings.

In the soil cover device 31, support rods 131, 131 are connected to both ends of the lower link pivot shaft 112a via universal joints 130, 130, the support rods project outward downward, and then bend backward, and left and right at the rear end. A pair of soil covering tools 132, 132 are ridges 305
It is supported on both sides. The soil covering tool 132 has a soil covering plate 134 made of a flexible material such as synthetic resin integrally attached to the rear surface of the rear end of the support plate 133. The mounting portion between the support rod 131 and the soil cover 132 will be described. A mounting frame 135 having two sets of mounting holes 153a and 135a 'is fixed to the rear end portion of the support rod 131, and the length of the support plate 133 side is short. Two sliding shafts 136, 136 'are provided slidably through the above mounting holes, and the longer sliding shaft 136 has a locking plate 137 and a mounting frame provided at the tip thereof.
A pressing spring 138 having a relatively weak elastic force is mounted between the pressing spring 138 and the pressure spring 135. Therefore, the soil cover tool 132 is movable in the front-rear direction and is in a state of being biased forward. Support rod 13
The drive mechanism for driving the 1,131 is composed of a cam 140 attached to the cam attachment shaft 122 and a cam follower 142 made of a bearing attached to an arm 141 integral with the pivot shaft 112a.

When the cam 140 rotates, the cam follower 142 is periodically pushed down, and the rotation of the pivot shaft 112a associated therewith is transmitted to the support rods 131 and 131 via the universal joints 130 and 130. Supporting rod bases 131a, 131a for the pivot 112a
When the support rod is driven, the soil cover plates 134, 134 on the left and right sides press the soil on both the left and right sides of the transplanted seedlings obliquely inward from above because the soil is inclined. Since the soil pressed by the soil cover plate presses the inclined side surfaces of the seedling pot portion 300a from both sides, the soil portion is reliably held at a predetermined position in a predetermined posture.
In addition, the pair of left and right soil cover plates press the soil around the seedlings so that the soil rises upward and the pot part
Sufficient soil will be provided on the upper part of 300a.

The lateral movement device 60 and the earth digging device 30 for the seedling mounting table described above
Since the cams 69, 69, 123, 140 for driving the soil covering device 31 are mounted on the common cam mounting shaft 122, the number of shafts and transmission members is small and the structure is simple. It is convenient to operate in synchronization with. Further, in this embodiment, the cam mounting shaft 122
Is an extension shaft of the main shaft of the transplantation section mission case 11, so that a mechanism for driving the cam mounting shaft is unnecessary.

The lifting mechanism for the front wheels and the rear wheels, which are the ground wheels, is a hydraulic type, and a hydraulic pump 150
Is integrally provided, and a hydraulic cylinder 152 is mounted on a support base 151 that is installed between the front transmission frame 10 and the side frame 20.
And a hydraulic valve 153 is provided. A piston 152a of the hydraulic cylinder is projected rearward, and a balance rod 156 is pivotally attached to a sliding body 155 provided at a rear end portion thereof so as to be rotatable in a horizontal plane. The sliding body 155 is slidable in the axial direction of the piston 152a and is biased rearward by a spring 157 fitted around the piston. The balance rod 156 is an upper plate 156.
It is composed of a and a lower plate 156b, and the sliding body 155 is inserted in the central portion of the space 160 formed in the middle thereof, and the upper and lower pins 161 and 161 of the sliding body are rotated around the bosses 162 and 162 of the upper plate and the lower plate. The sliding body 155 and the balance rod 156 are coupled by being movably fitted. Reference numeral 163 in the figure is a stopper for preventing the sliding body 155 from falling off, and is fitted to the tip of the piston 152a. The left and right ends of the balance rod 156 are connected by front wheel connecting rods 165, 165 to arms 166, 166 projecting from the upper surface of the rotating cylinders 5, 5, and by the rear wheel connecting rods 167, 167 of the rear wheel support shaft 26. It is connected to arms 168, 168 protruding from the upper surface.

The hydraulic cylinder 152 for driving the lifting mechanism is controlled by the following planting depth controller 170. The planting depth control device 170 is
A grounding body 173 is axially supported (shaft 175) on a supporting plate 172 projecting forward from a rotating shaft 171 provided laterally on the brackets 22 and 25, and a tip portion of an arm 176 integrated with the grounding body and a hydraulic valve. The spool 153a is connected by a connecting rod 177.
The grounding body 173 includes an intermediate plate portion 173a extending rearward from the base portion and side plate portions 173b and 173b provided on both sides of the intermediate plate portion, and has a shape surrounding the top of the ridge 305. Further, in the center of the rear part of the intermediate plate part 173a, the transplanted nails 75, 75 and the needle-shaped body 11 are formed.
5. A notch 173c into which the plate-shaped body 116 is inserted is formed.

During work, the middle plate 173a is on the upper surface of the ridge 305, and the side plate 1
73b and 173b slidably contact the upper slopes of the ridges 305 respectively, and proceed while leveling the top of the ridges, and the vertical movement according to the height change of the ridges is transmitted to the spool 153a of the hydraulic valve via the connecting rod 177. . That is, the grounding body 173 is
It has a role as a leveling tool for leveling and shaping the top of the ridge and a role as a sensor for detecting the height of the ridge. When the ridges rise and the rear part of the grounding body 173 moves upward, the arm 176 and the rod
The spool 153a is pushed in via 177, and the hydraulic cylinder 1
The hydraulic valve 153 is switched to extend 52. As the hydraulic cylinder extends and the balance rod 156 moves rearward, the front wheel connecting rod 15 attached to it
5,155, arms 156,156,158, via rear wheel connecting rods 157,157,
158 is rotated, the front wheels 7,7 and the rear wheels 28,28 simultaneously move down, and the body is lifted. On the contrary, when the ridges are lowered and the rear part of the grounding body 173 moves downward, the body is lowered. In this way, the operation of the planting depth control device 170 appropriately raises and lowers the machine body in accordance with the change in the height of the ridges, whereby planting work is always performed under a constant condition and a constant planting depth.

The planting depth is adjusted by adjusting the reference height of the grounding body with the planting depth adjusting lever 178. When the lever 178 is lowered as shown by the solid line in FIG. 18, the reference height H ₁ is low and the planting depth is shallow. When the lever 178 is raised as shown by the chain line, the reference height H ₂ is high and the planting depth is deep.

When the planting depth is adjusted by the lever 178, the elevation angle of the grounding body 173 changes, so the sensitivity for controlling the planting depth changes. That is, when the lever 178 is lowered to perform shallow planting, the elevation angle of the grounding body 173 becomes large and the sensitivity becomes sensitive. vice versa,
When the lever 178 is lifted to perform deep planting, the angle of elevation of the grounding body 173 becomes small and the sensitivity becomes insensitive.

The valve-side hook-shaped end 177a of the rod 177 is connected to the lifting lever 180 provided on the handle support frame 15 by the wire 181.
Is inserted into the elongated hole 183 of the control switching piece 182 connected by. When the lifting lever 180 is at the automatic control position D ₁ , the end portion 177a is located at the center of the elongated hole 183.
The spool 153a can freely move in and out, and the lifting control is automatically performed. When the lifting lever 180 is moved to the lift position D ₂ , the end wall surface 183a of the long hole pulls the rod end 177a,
Since the spool 153a is forcibly pushed in, the machine body rises to the lift position.

Further, the space 160 of the balance rod is a space for accommodating the cam mechanism portion of the horizontal control device 190, and the sliding member 155 has a cam receiving portion 192 in which a hole 191 having an ellipse in plan view is formed on the side. A circular cam 194 to which an eccentric shaft 193 is fixed is fitted in the elliptical hole 191 of the cam receiving portion. Arms 19 projecting in opposite directions are provided above the eccentric shaft 193.
An arm member 197 on which 6,196 is formed is fitted by a key 198, and a wire 201 connected to an operation lever 200 provided on the fixed plate 16 is attached to a tip end portion of the arm 196,196. The arm-side ends of the wire outers 202, 202 are fixedly supported by an outer receiving plate 203 provided on an upper plate 156a of the balance rod 156.

Explaining the mounting portion of the operation lever 200, a disc 206 having a wire groove 205 formed on the outer peripheral surface thereof is rotatably attached to the fixed plate 16 by a shaft 207, and a pivot pin 209 is attached to the disc. The base portion of the operating lever 200 is fixed to the cylindrical body 210 pivotally supported by the wire 210, and the wire 201 is wound around and fixed to the wire groove 205. The disk-side ends of the wire outers 202, 202 are fixedly supported by an outer receiving plate 203 ′ fixed to the fixed plate 16. Then, the locking plate 212 fixed to the side surface portion near the base of the operation lever 200 can be engaged with any one of the plurality of locking grooves 213, ... Formed in the standing edge 16a of the fixed plate. ing. Reference numeral 214 is a spring that biases the operating lever 200 in the direction of the locking grooves 213, ....

By removing the locking plate 212 from the locking groove 213 and rotating the operation lever 200 in the direction of the arrow, the wire 201 wound around the disc 206 moves, and the arm member 197 rotates.
Then, the cam 194 is eccentrically rotated, and the balance rod 156 is forcibly rocked. When the balance rod is swung counterclockwise in a plan view, the left front wheel and the rear wheel move upward, and the right front wheel and the rear wheel move downward, so that the aircraft leans downward to the left. On the contrary, when the balance rod is swung clockwise, the aircraft tilts downward to the right.

[Effects of the Invention] As is clear from the above description, in the seedling mounting table according to the present invention, the pot holder supporting the rear end portion of the seedling is deeply formed, and thus the last row on the seedling mounting table. The leaves of the seedlings are not pushed forward, the entanglement of the leaves of the last row of seedlings with the leaves of the seedlings of the front row is prevented, and the transplanting work can be performed in good condition without damaging the leaves. It became so.

[Brief description of drawings]

FIG. 1 is an overall side view of a vegetable transplanter according to the present invention,
The figure is a plan view thereof, FIG. 3 is a plan view of a state in which a part thereof is removed, and FIG. 4 is a front view thereof. FIG. 5 is a side view of the main part, FIG. 6 is a plan view thereof, and FIG. 7 is a rear view thereof. FIG. 8 is a perspective view of the rear part of the seedling placing table, FIG. 9 is a plan view thereof, and FIGS. 10 (a), (b), and (c) are side views showing different states thereof. FIG. 11 is an overall sectional view of the transplantation device, and FIGS. 12 and 13 are sectional views of the transplantation case. FIG. 14 is an explanatory view of the earth digging device, and FIG. 15 is a view taken in the direction of arrow X. 16 and 17 are a plan view and a rear view of the balance rod,
FIG. 18 is an explanatory view of planting depth control, and FIGS. 19 and 20 are explanatory views of a horizontal control operation lever mounting portion. Also,
Figure 21 is an illustration of a nursery device. 1 ... Vegetable transplanter, 3 ... Running mission case, 7
…… Front wheel, 11 …… Transportation part mission case, 13 …… Transplanting device, 28 …… Rear wheel, 30 …… Soil excavator, 31 …… Soil cover device, 33 …… Movement frame, 34 …… Receiving frame, 35… … Seedling stand, 41 ……
Seedling take-out port, 43 ... Pot holder, 47 ... Receptacle, 50 ... Brush, 60 ... Lateral movement device, 75 ... Moving claw, 76 ... Seedling extrusion body, 115 ... Needle-like body, 116 ... … Plate-like body, 122 …… Cam mounting shaft, 134 …… Soil cover plate, 156 …… Balance rod, 170 …… Planting depth adjusting device, 173 …… Grounding body, 178 …… Planting depth adjusting lever, 190 …… Horizontal control device, 300 …… Seedling, 303 …… Multi-film, 305 …… Ridge.

Claims (1)

[Claims] 1. A seedling mount, such as a vegetable transplanter, for dividing a vegetable seedling cultivated in a seedling raising device in which pots made of paper or the like are arranged side by side in a row and transplanting it into a field. , A moving frame that carries the seedlings and reciprocates to the left and right and transports the seedlings rearward appropriately, and a receiving frame that is fixedly provided to the transplanting machine body on the rear side of the bottom plate of the moving frame and has a seedling take-out port in a proper position. And a pot holder that receives and supports the last row of seedlings located on the receiving frame from the rear side, and the pot holder is formed in a shape in which the upper portion projects rearwardly from the lower portion. Platform.