JP2012023991A - Transplanter for bulbs - Google Patents

Abstract

An object of the present invention is to provide a transplanter for bulbs and the like that can easily supply seed pods and bulbs from a container to each supply cup without manual intervention.
When a seed pod, bulbs and the like are manually supplied to an upper box body 23 having a funnel-shaped upper side wall and a bottom surface, a lower box body 24 is provided from the box body 23 through an inclined portion 20. And is transferred to a first endless belt conveyor 28 having an upward conveying path partitioned by a rail 28a in order from a groove 25 on the bottom surface of the lower box 24 to a protrusion 26 at the outlet of the box 24 with a rotating brush 27. A bulb transplanter that supplies the planted body 30 via a second endless belt conveyor 31 that transports the machine body laterally and a counter belt 32 with a crosspiece 32a arranged in parallel on the lower side of the conveyor 31. is there.
[Selection] Figure 2

Description

  The present invention relates to a bulb transplanter for planting seed pods, bulbs and the like while propelling the vehicle with a traveling propulsion unit such as a wheel.

  By supplying each seedling one cup at a time to the seedling supply cups while the aircraft is traveling, seedlings are supplied from the seedling supply cup to a seedling planting device such as a planting plant below the seedling supply cup. 2. Description of the Related Art There has been known a transplanter that can be easily transplanted even in seed pods and bulbs by improving the transplanter that has been planted.

JP 2002-51613 A

The transplanter described in Patent Document 1 has a configuration in which a plurality of supply cups are transported on a rotary table as a seed vat supply unit, and seed vats, bulbs, and the like are transferred from each supply cup to a planting body at predetermined positions. In addition, each supply cup that rotates on the rotary table is manually supplied one by one from a storage unit that stores seed potatoes, bulbs, and the like.
Thus, in the structure which supplies one by one to each supply cup from the accommodating part which accommodates seed pods, bulbs, etc., there was room for improvement in workability in the supply to each supply cup of seed potatoes, bulbs, etc. .
An object of the present invention is to provide a transplanter for seed pods, bulbs, and the like that can easily supply seed pods, bulbs, and the like from the storage portion to each supply cup without manual intervention.

The above-described problems of the present invention are solved by the following solution means.
The invention described in claim 1 includes a bulb supply device (4) for supplying seed pods and bulbs, and a bulbous planting planted in a field after receiving the seed potatoes and bulbs supplied from the bulb supply device (4). In the bulbous transplantation machine in which the appendage (30) is provided on the traveling unit support frame (14), the bulbous supply device (4) includes a supply unit (A) for placing seed pods and bulbs and the supply unit ( A bulb comprising: an alignment unit (B) for aligning and transporting seed pods and bulbs received from A); and a transport unit (C) for sequentially receiving seed pods and bulbs from the alignment unit (B). A transplanter.

  The invention according to claim 2 is that the supply part (A) has a funnel shape, and a box (23, 24) consisting of a side wall and a bottom surface opened upward is connected to the upper and lower two stages by an inclined part (20). The bottom surfaces of the box (23, 24) and the inclined portion (20) are on the outlet side so that the bulbs supplied to the upper box (23) roll down to the lower box (24) due to gravity. The groove (25) is provided on the bottom surface of the lower box (24), and the outlet of the groove (25) protrudes from the lower box (24) toward the alignment part B. The protruding portion (26) includes a hook-shaped portion (26a), and the rotating brush (27) is disposed in the concave portion of the hook-shaped portion (26a). The bulb transplanter according to claim 1.

  According to a third aspect of the present invention, the alignment section (B) has a space partitioned by a crosspiece (28a) for receiving the bulbs received from the supply section (A) one by one, and the conveyance path is inclined upward. The bulbous transplanter according to claim 1 or 2, further comprising a first endless belt conveyor (28) on which is formed.

  According to a fourth aspect of the present invention, there is provided a second endless belt conveyor (31) in which the conveying unit (C) has a crosspiece for receiving the bulbs received from the aligning unit (B) one by one, and conveys the bulbs sideways. A bar (32a) which is arranged in parallel under the second endless belt conveyor (31) and drops the bulbs received from the second endless belt conveyor (31) one by one to the bulb planting body (30). The bulbous transplanter according to any one of claims 1 to 3, further comprising a counter belt (32) having the following.

  According to the first aspect of the present invention, the bulb transplanter uses the supply unit (A) for placing the seed pods and bulbs as the bulb supply device (4), and the seed pods and bulbs received from the supply unit (A). An arrangement unit (B) for aligning and transporting species and a conveyance unit (C) for sequentially receiving seed pods and bulbs from the alignment unit (B), so that planting of seed varieties and bulbs can be performed sequentially without relying on human hands. It can be supplied to the appendage (30) and planted in the field.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, seeds supplied manually to the upper box (23) of the supply section (A) of the bulb supply device (4) And bulbs reach the protrusion (26) from the groove (25) on the bottom surface of the lower box (24) via the inclined portion (20) while rolling down the inclined bottom surface, and the protrusion (26). Since it is sequentially discharged toward the alignment section (B) by the rotating brush (27), manual work is not necessary.

  According to the invention described in claim 3, in addition to the effects of the inventions described in claims 1 and 2, the seeds and bulbs conveyed from the supply section (A) are partitioned by the crosspiece (28a) of the alignment section (B). The seed pods and bulbs removed by the first endless belt conveyor (28) inclined upward are aligned and conveyed toward the conveyance section (C), and the seed varieties and bulbs are messed up manually by the supply section (A). You just need to supply it.

  According to the invention described in claim 4, in addition to the effects of the invention described in any one of claims 1 to 3, since the conveying section (C) has the second endless belt conveyor (31) which is wide in the width direction, It is possible to monitor the state of transport of the bulbs and bulbs, and it is possible to drop seed pods and bulbs one by one on the bulbous planting body (30) with the counter belt (32).

It is a side view of transplanters, such as a seed sow and a bulb, of the example of the present invention. It is a schematic perspective view of the whole transplanter of FIG. The perspective view (Drawing 3 (a)) which shows the lower half of the box of the lower part of the supply part of the bulb supply device of Drawing 2, the transverse cross section of the groove (Drawing 3 (b)), and the cross section of the box of the upper part (FIG. 3C). It is a side view of the bulb supply apparatus part of the other Example of the transplanter of FIG. It is a principal part expanded side view of the action | operation mechanism of the bulb transplant of the transplanter of FIG. It is a diagram of the link mechanism of the action | operation mechanism of the bulb planting body of FIG.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a side view of an embodiment of a transplanter such as a sow seed or a bulb with the bulb of the present invention as a representative example. For the sake of simplicity, seed pods and bulbs are sometimes referred to simply as bulbs, and bulbs are used as prefixes for the names of parts used for these seed pods and bulbs. The attached body is sometimes simply referred to as a bulbous planted body.

  The bulb transplanter according to the present embodiment includes a beak-like bulbous planted body 30 that can be opened and closed by being connected to a link mechanism 3 that is driven to move up and down to a machine body that includes a traveling device 1 and a steering handle 2. It is configured. In the following description, the front and rear sides in the forward direction of the bulbous transplanter are referred to as front and rear, respectively, and the right and left in the forward direction are referred to as right and left, respectively.

  The bulb transplanter includes a link mechanism 3 that moves up and down on a machine body that includes a traveling device 1 and a steering handle 2, and an openable / closable beak-like bulbous planted body 30 that is connected to the link mechanism 3 and moves up and down. However, the traveling device 1 includes a pair of left and right front wheels 6 that are rotatably supported and a pair of left and right rear wheels 7 that are driven and rotated by transmission of power from the engine 5.

  A mission case 8 is disposed at the rear of the engine 5, and the mission case 8 has a case portion extending from the left side of the engine 5 to the left side of the engine 5, and this is connected to the left side of the engine 5. The output shaft of the engine 5 enters the case portion and the power is transmitted to the transmission mechanism in the transmission case 8. A pair of transmission cases 9 are rotatably attached to the left and right sides of the transmission case 8, and the tip of the wheel drive shaft 9 </ b> A extending from the transmission case 8 to the left and right outwards enters the rotation center of the transmission case 9. The power for traveling is transmitted to a transmission mechanism (not shown) in the transmission case 9. The driving power is transmitted to the axle 10 that extends to the rear side of the machine body and protrudes to the rear end side through a transmission mechanism in the transmission case 9 so that the rear wheel 7 is driven and rotated. .

  A left / right horizontal hydraulic cylinder 15 is provided on the left side of the fuselage, and a balance rod 13 is attached to the tip of a piston rod of the left / right horizontal hydraulic cylinder 15 so as to be rotatable around a vertical axis. The right side of the connecting portion of the balance rod 13 is connected to a rod (not shown), and the left side is connected by a left / right horizontal control hydraulic cylinder 15 that can be expanded and contracted.

When a piston rod of a lifting / lowering hydraulic cylinder (not shown) projects rearward based on the detection result of a kite height detection sensor (not shown), a rod (not shown) on the right side of the connecting portion of the balance rod 13 The left and right horizontal control hydraulic cylinders 15 are also operated, and the left and right arms (not shown) connected to the rod and the left and right horizontal control hydraulic cylinders 15 are rotated rearward in a side view of the fuselage. The left and right transmission cases 9 rotate downward to raise the aircraft. On the other hand, when the piston rod of the lifting hydraulic cylinder is retracted forward, the left and right arms (not shown) are rotated forward, and accordingly, the transmission case 9 is rotated upward and the aircraft is lowered. .
In addition, a configuration is also provided that operates to raise or lower the aircraft by human operation of an operating tool disposed in the vicinity of the steering handle 2.

  Further, when the left / right horizontal control hydraulic cylinder 15 is expanded and contracted, the balance rod 13 is rotated around the vertical axis connected to the tip of the piston rod of a lifting / lowering hydraulic cylinder (not shown) at the center of the left and right. The transmission cases 9 are moved up and down alternately to incline the aircraft from side to side. The left / right horizontal control hydraulic cylinder 15 is configured to operate so that the airframe is horizontally horizontal based on a detection result of a sensor (not shown) that detects the left / right inclination of the airframe relative to the left / right horizontal.

  A pair of front wheels 6 is fixed to the lower side of the lower side of the left and right arm portions of the front wheel support frame 16 which is pivotally mounted around the axial center in the front-rear direction at the left and right center position below the engine 5. 17 is rotatably attached.

  The steering handle 2 is attached to the rear end portion of the body frame 14 whose front end portion is fixed to the mission case 8. The fuselage frame 14 is disposed at a position biased to the right from the left and right center of the fuselage and extends rearward, and extends obliquely rearward and upward from the front and rear intermediate portion. The steering handle 2 extends left and right rearward from the rear end portion of the body frame 14, and each rear end portion serves as a pair of grip portions 2 a of the steering handle 2. The left and right grip portions 2a of the steering handle 2 are set to an appropriate height so that the operator can easily grip the grip portion 2a with his / her hand. In the example shown in the figure, the grip portion 2a is divided into left and right, but the left and right rear ends of the steering handle 2 may be connected to each other left and right, and the connecting portion may be used as the grip portion 2a.

A link mechanism 3 comprising a pair of upper and lower parallel link members (elevating arm 19 and sub-link 20) is provided with a planting transmission case 18 having a transmission mechanism that receives power for driving a bulb planting body from within the mission case 8. It is attached to. As shown in FIG. 1, the planting transmission case 18 has a front portion connected to a rear portion of the mission case 8 and extends obliquely rearward and upward therefrom.
The link mechanism 3 is driven up and down by a power transmission mechanism built in the planting transmission case 18, and the tip of the link mechanism 3 is connected to the bulbous planting body 30. 30 can be raised and lowered.

A single bulb or the like is supplied from the bulb supply device 4 to the bulb planting body 30, and the bulb supply device 4 includes a supply unit A, an alignment unit B, and a transport unit C. FIG. 2 is a perspective view showing the configuration of the bulb supply device 4.
The supply part A has a funnel shape, and has a structure in which upper and lower box bodies 23 and 24 each having an open side wall and a bottom surface are connected to upper and lower two stages via an inclined passage 21, and a bulb supplied to the upper box body 23. The bottom surfaces of the box bodies 23 and 24 and the bottom surface of the inclined path 21 connecting the two box bodies 23 and 24 are respectively set to the outlet side from the horizontal so that the kind falls down to the lower box body 24 through the inclined passage 21 by gravity. Inclined towards.

  A groove portion 25 is provided at the bottom of the lower box body 24, and an outlet of the groove portion 25 is provided with a protruding portion 26 that protrudes from the lower box body 24 toward the alignment portion B. The projecting portion 26 is constituted by a hook-like portion 26a and a plate portion 26b that is connected to the hook-like portion 26a and includes only a curved plate at the bottom, and a rotating brush 27 is disposed in the concave portion of the hook-like portion 26a. Yes. The rotating shaft 27a of the rotating brush 27 is disposed in a direction crossing the longitudinal direction of the flange portion 26a.

  FIG. 3 (a) is a perspective view showing the lower half of the lower box 24 of the supply section A. The width of the groove 25 at the bottom of the lower box 24 is set to be slightly larger than one bulb, As shown in a cross-sectional view of the groove portion 25 in FIG. 3B, the corner portions of the groove portion 25 are rounded so that the bulbs can be sequentially and reliably conveyed one by one. Further, the curved plate portion 26b connected to the flange portion 26a of the protruding portion 26 at the outlet of the groove portion 25 has a function as a shooter and can reliably send out bulbs to the alignment portion B. .

Further, as shown in a cross-sectional view of the lower box body 24 in FIG. 3C, a pair of container stands 45, 45 may be disposed outside the both side walls of the lower box body 24 in the direction of body movement. good. If a container (not shown) containing bulbs is placed on the container table 45, a sufficient number of bulbs can be placed on the transplanter during the bulb planting operation. Planting work can be continued efficiently.
A reinforcing rod 22 (FIG. 1) is spanned between the alignment portion B and the body frame 14.

Further, as shown in FIG. 2, the bulbs supplied into the concave portion of the hook-like portion 26 a of the protruding portion 26 are scraped out toward the alignment portion B by the blades of the rotating brush 27. At this time, the rotation direction of the rotating brush 27 is opposite to the bulb conveyance direction, so that the bulbs can be sequentially supplied onto the first endless belt conveyor 28 of the next alignment unit B one by one.
Further, an end portion of the first endless belt conveyor 28 constituting the alignment portion B and one roller 29 for driving the belt conveyor are located above the curved plate portion 26b following the bowl-shaped portion 26a.

  The first endless belt conveyor 28 constituting the alignment portion B is inclined upward from the curved plate portion 26b of the protruding portion 26, and the first endless belt conveyor 28 is arranged so that the bulbs do not slide down. A plurality of (partition plates) 28 a are provided at intervals at which one bulb can be placed in a direction orthogonal to the traveling direction of the belt conveyor 28. By setting the height of the crosspiece (partition plate) 28a to be substantially the same as that of one bulb, it is possible to prevent the bulbs from sliding down from the first endless belt conveyor 28 with certainty. Further, the bulbs are aligned by the upward first endless belt conveyor 28 and conveyed toward the conveying section (C). In addition, guide plates 34 are provided on both sides of the first endless belt conveyor 28 so that bulbs do not fall out.

  One end portion (lower end portion) of a second endless belt conveyor (lateral belt) 31 constituting the conveying portion C is disposed below the upper end portion of the first endless belt conveyor 28 disposed in the alignment portion B. A counter belt 32 is disposed below the other end (upper end) of the second endless belt conveyor 31. On the counter belt 32, one bulb can be placed in a direction perpendicular to the traveling direction of the counter belt 32 with a crosspiece (partition plate) 32 a so that the bulbs do not slide outside the counter belt 32. A plurality are arranged at intervals.

Bulbs delivered from the first endless belt conveyor 28 of the alignment unit B near the lower end of the second endless belt conveyor 31 of the transport unit C are transported on the second endless belt conveyor 31 and from the end thereof. It falls on the counter belt 32. Since the bulbs on the counter belt 32 are supplied one by one between the bars (partition plates) 32a at the adjacent positions, the bulbs are supplied to the bulb planting body 30 one by one from the end of the counter belt 32. Will be supplied.
The terminal end side of the second endless belt conveyor 31 can be rotated in the direction of arrow A (upward). In this case, the bulbs are directly placed on the counter belt 32 without going through the second endless belt conveyor 31 by hand. Can be supplied.

  FIG. 4 shows a side view of the main part of the configuration of another embodiment of the alignment portion B. In this case, the first endless belt conveyor 28 'arranged in the alignment part B is provided, and the configuration is adopted from a part where the moving direction of the conveyor 28' is inclined and a part which is horizontal. Also good. In this case, since there is a horizontal belt conveyor portion, the alignment state can be sufficiently monitored. Guides 28b 'are provided on both sides of the first endless belt conveyor 28' so that bulbs do not fall.

  In the embodiment shown in FIG. 4, the second endless belt conveyor 31 and the counter belt 32 shown in FIG. 2 are not provided, and the first endless belt conveyor 28 ′ passes through a relay cup 33 whose bottom cover can be freely opened. One bulb is supplied to the bulb planting body 30 one by one. At this time, the lid on the bottom surface of the relay cup 33 is connected and opened when the bulbous planted body 30 rises and approaches the relay cup 33, and the bulbs in the relay cup 33 are supplied to the bulbous planted body 30. To do.

  The second endless belt conveyor (transverse belt) 31 of the transport section C is arranged in the longitudinal direction in front of the operator who operates the transplanter, and the operator transports the second endless belt conveyor 31 on the second endless belt conveyor 31. Since the inside bulbs can be observed, it is possible to easily confirm the alignment state and to rearrange them. Further, since the length of the second endless belt conveyor 31 is substantially the same as the width of the supply unit A in the horizontal direction of the machine body, the bulb supply device 4 as a whole can maintain a left-right lateral balance on the machine body. .

  In the bulb supply device 4 having the above-described configuration, when the bulbs are manually supplied to the supply unit A, the alignment unit B that aligns and transports the soy seeds and bulbs received from the supply unit A and the alignment unit B Since it is equipped with the conveyance part C which receives a seed potato and a bulb sequentially, it can supply a bulb etc. to the bulb planting body 30 sequentially and can be planted in a farm field without relying on a manual labor.

  Further, when a bulb or the like is manually supplied to the supply unit A and the bulb or the like is supplied to the upper box 23, the bulbs reach the alignment unit B while rolling down the inclined surface. Since the bulbs are transferred to the transfer unit C while being aligned one by one in the alignment unit B, it is only necessary to supply the supply unit A manually and randomly.

  Moreover, since the conveyance part C has the 2nd endless belt conveyor 31 which is wide in the width direction, the conveyance state of bulbs can be monitored, and each bulb is transferred to the bulb planting body 30 by the counter belt 32. Can be dropped.

  The bulbous planting body 30 includes a pair of right and left bulb planting beaks extending downward. When the bulb planting body 30 storing the bulbs dropped from the bulb supply device 4 is lowered by the link mechanism 3 according to a substantially elliptical trajectory T which is vertically long in a side view, and the left and right beak portions are opened in the field. Bulbs are planted in the field, and then the right and left beak portions are closed while the bulbous planted body 30 is raised.

  In this way, the lower end portion of the beak for planting the bulbs moves up and down in a substantially elliptical locus T in a counterclockwise direction when viewed from the left side. Accordingly, when the bulb planting body 30 is moved up and down so as to draw the locus T in the rotation direction while working, the lower end of the beak portion for bulb planting is at the lower end portion of the locus T as described above. It rushes into the soil of the cocoon U in the field, and the beak part opens in the longitudinal direction of the body to release the bulbs and fertilizer in the bulb planting body 30 to the soil of the cocoon U.

  In addition, when the bulbous planting body 30 comes to the bulbous supply position of the bulbous supply device 4 that supplies the bulbs, one bulbous planting is planted from the counter belt 32 of the bulbous supply device 4 in a timely manner. The movement of the counter belt 32 is synchronized with the operation of the bulb planted body 30 that is drawn with the substantially elliptical locus T so that the counter belt 32 can be dropped to the supply port of the body 30.

  FIG. 5 shows an enlarged side view of the main part of the operating mechanism of the bulbous planted body 30, and FIG. 6 shows a diagram of the link mechanism 3 of the operating mechanism. The bulb planting body 30 receives the bulbs from the opening 30a formed in the upper part thereof, and the lifting arm 19 that connects the front end side to the planting transmission case 18 that drives the bulb planting body 30 to move up and down, and the lifting arm. A sub-link 20 is provided that is connected to the holder 30b of the bulbous planting body 30 while moving up and down in parallel with the lower part 19 and holds the posture. Further, the lifting arm 19 and the front end portions 19a, 20a of the sub link 20 are connected by a connecting link 35, and can be moved back and forth via a swinging arm 36 pivotally supported by an upper end 36a on a support shaft so as to swing back and forth. And a crank arm 38 that rotationally drives a connecting point 19b at an intermediate portion of the lifting arm 19 is provided.

  The connecting portion 20c between the sub-link 20 and the planting body 30 is arranged at the rear part of the holder 30b for compactness, and the opening / closing lever 37 for opening / closing the planting body 30 is provided as a fulcrum with the lifting arm 19. It is supported by 19c. The open / close lever 37 is provided with an open / close arm 42 that can be operated in parallel via a connecting rod 39, and is pivotally supported at a connecting point 19 b of the crank arm 38. The open / close lever 37 rotates in synchronization with the rotating operation of the crank arm 38. A sub crank arm 40 that supports the middle portion of the sub link 20 at a connection point 40b is provided, an open / close cam 41 is provided integrally with the sub crank arm 40, and the open / close arm 42 is moved to a predetermined timing (planting body) via a roller 42a. 30 acts in the soil of the cocoon to plant seedlings, and the planted body 30 opens to the left and right to plant the seedlings in the cocoon.

  The elevating arm 19 and the sub link 20 are parallel links that move up and down by being driven by the crank arm 38 and the sub crank arm 40 in the middle, and each rear end side is connected to the planting body 30. The planting body 30 is configured to move up and down along a predetermined trajectory T. Since the front end sides of the planted body 30 are connected by the connecting link 35, the lifting arm 19 and the sub-link 20 are freed from play by the connecting link 35. Prevents the parallel link posture from collapsing, and the lifting arm 19 and the sub-link 20 operate while maintaining the parallel link posture properly, and the planting body 30 is moved up and down along a predetermined trajectory so Can be transplanted.

  If the connecting link 35 is provided with a long hole for operation restriction that fits into a guide pin fixed on the planting transmission case 18 side, and the connecting link 35 is configured to perform an appropriate predetermined operation, the lifting arm is further provided. 19 and the sub-link 20 operate while maintaining the posture of the parallel link appropriately, and the planting body 30 can be moved up and down along a predetermined locus to perform an appropriate seedling transplanting operation.

The operation mechanism of the bulbous planting body 30 having the above-described configuration is such that the planting body 30 is interlocked with the lifting operation by the lifting arm 19 and the sub link 20 that are swung up and down by the rotation of the crank arm 38 and the sub crank arm 40. Then open and close to the left and right to plant seedlings. Specifically, as shown in FIG. 6 which is a link configuration diagram, when the crank arm 38 and the sub crank arm 40 rotate, the front end portions 19a and 20a of the elevating arm 19 and the sub link 20 are moved back and forth by the swing arm 36. While being swung up and down, the lower end of the planted body 30 at the rear end position operates by drawing a vertically long oval locus T.
In addition, the link mechanism 3 of the planting body 30 is comprised by the raising / lowering arm 19, the sublink 20, the connection link 35, the crank arm 38, the sub (elevating / lowering) crank arm 40, and the swing arm 36.

  Regarding the opening / closing operation of the planting body 30, the opening / closing lever 37 pivotally supported on the support shaft 19 c of the elevating arm 19 operates in parallel with the opening / closing arm 42 via the connecting rod 39, and the opening / closing arm 42 is connected to the crank arm 38. The operation is controlled by an open / close cam 41 integrated with the sub crank arm 40 that rotates in the same phase. Therefore, it is possible to control the opening / closing timing and the opening / closing amount with high accuracy by a simple cam.

  The transmission shaft 50 of the transplanter is provided with a cam mechanism 43 that changes the transmission torque. That is, it is constituted by a cam 43a fixed to the transmission shaft 50, a pressing roller 44b pressed against the cam 43a by a tension spring 44a, and a roller support swinging arm 44c for swingably supporting the pressing roller 44b. . Further, the cam 43a brakes the transmission shaft 50 immediately before the stop position T1 (FIG. 1) at the ascending position of the planted body 30, and then the bulbous planted body 30 when the planted body 30 descends. In order to suppress the downward inertia force due to the weight of the plant, the brake is applied while gradually increasing the braking force, and the brake against the transmission shaft 50 is applied immediately before the lowest position (planting position) of the planted body 30. In the process of stopping and then the planting body 30 rising, the shape assists the rotation.

  Therefore, the transmission torque of the transmission shaft 50 that moves the bulbous planted body 30 up and down along the trajectory T is changed in accordance with the vertical movement of the planted body 30 (when the planted body 30 descends, In order to suppress the downward inertia force due to its own weight, a braking force is applied, and rotation is assisted in the process in which the planted body 30 is raised), and the planted body 30 operates smoothly while maintaining a predetermined appropriate operating speed, Appropriate seedling transplanting work can be performed. Further, since the cam mechanism 43 brakes the transmission shaft 50 immediately before the stop position T1 at the ascending position of the planting body 30, the planting body 30 is in the intermittent drive stop position by the planting clutch (not shown). Therefore, it is not necessary to provide a brake device that stops the planting body 30 properly and stops the planted body 30 separately, and can be configured inexpensively with a simple configuration.

  The bulb transplanter of the present invention is not limited to bulbs and can be used as a seedling transplanter for planting seedlings such as other vegetables.

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Steering handle 3 Link mechanism 4 Bulb supply device 5 Engine 6 Front wheel 7 Rear wheel 8 Transmission case 9 Transmission case 9A Wheel drive shaft 10 Axle 13 Balance rod 14 Body frame 15 Left and right horizontal hydraulic cylinder 16 Front wheel support frame 17 Axle 18 Planting transmission case 19 Elevating arm 20 Sub link 21 Inclined passage 22 Reinforcing rod 23 Upper box body 24 Lower box body 25 Groove part 26 Protruding part 26a Gutter part 26b Bottom curved plate part 27 Rotating brush 28 First endless Belt conveyor 28a Crosspiece (partition plate) 29 Roller 30 Bulb planting body 31 Second endless belt conveyor 32 Counter belt 32a Crosspiece (partition plate)
33 Relay cup 34 Guide plate
35 connecting link 36 swing arm 37 opening / closing lever 38 crank arm 39 connecting rod 40 sub crank arm 41 opening / closing cam 42 opening / closing arm 42a roller 43 cam mechanism 43a cam 44a tension spring 44b pressure roller 44c roller support swing arm 45 container stand 50 Transmission shaft A Supply section B Alignment section C Transport section

Claims (4)

A bulb supply device (4) for supplying seed pods and bulbs and a bulb planting body (30) to be planted in a field after receiving the seed potatoes and bulbs supplied from the bulb supply device (4) In the bulb transplanter provided on the support frame (14),
The bulb supply device (4) includes a supply unit (A) for placing seed pods and bulbs, an alignment unit (B) for aligning and conveying the seed pods and bulbs received from the supply unit (A), and the alignment. A bulb transplanter characterized by comprising a transport unit (C) for receiving seed pods and bulbs sequentially from the unit (B). The supply section (A) has a funnel shape, and has a structure in which upper and lower boxes (23, 24) each having an open side wall and a bottom face are connected to the upper and lower boxes by an inclined section (20). The bottom surfaces of the box (23, 24) and the inclined portion (20) are inclined downward from the horizontal toward the outlet side so that the bulbs supplied to) fall down to the lower box (24) due to gravity. And
A groove (25) is provided on the bottom surface of the lower box (24), and a protrusion (26) is provided in which the outlet of the groove (25) protrudes from the lower box (24) toward the alignment part B, The protrusion (26) is configured to include a hook-shaped portion (26a), and the rotary brush (27) is disposed in the concave portion of the hook-shaped portion (26a). Bulb transplanter.   The alignment unit (B) has a space partitioned by a crosspiece (28a) that receives the bulbs received from the supply unit (A) one by one, and a first endless belt in which an upwardly inclined conveying path is formed. The bulb transplanter according to claim 1 or 2, further comprising a conveyor (28).   The conveyance unit (C) has a crosspiece that receives the bulbs received from the alignment unit (B) one by one, and conveys the second endless belt conveyor (31) and the second endless belt conveyor (31 A counter belt (32) having a bar (32a) arranged in parallel on the lower side and supplying the bulbs received from the second endless belt conveyor (31) to the bulbous planted body (30) one by one. The bulb transplanter according to any one of claims 1 to 3, further comprising a bulb transplanter.

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