JP2016032459A - Seedling planting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling planting machine capable of changing a position of conveyance rails on a traveling machine body.SOLUTION: The seedling planting machine includes: a traveling section for traveling on a field; a planting section connected to the rear side of the traveling section for planting seedlings on the field; conveyance rails for conveying conveyance objects to the traveling section; and a hitch detachably supporting the conveyance rails and formed into a circular shape in plane view. A worker rotationally turns the conveyance rails using the plane-view circular hitch as a fulcrum to allocate the conveyance rails to a desired position.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a seedling planting machine for planting seedlings in a field.

  The seedling planting machine is connected to a traveling machine body and a rear part of the traveling machine body, and includes a planting unit for planting seedlings, and sequentially plantes seedlings by driving the planting unit while moving forward in the field. In addition, a preliminary seedling stage on which seedlings are placed is provided at the front part of the traveling machine body.

  Prior to the start of planting seedlings, a seedling mat having a plurality of seedlings is supplied to the planting unit, and the seedling mat is placed on the preliminary seedling placing stand. As the seedlings are planted, the operator appropriately supplies seedling mats from the preliminary seedling stage to the planting unit.

  In recent years, a seedling planting machine has been proposed in which a transport rail is installed on a spare seedling stage in order to transport a seedling mat from a vehicle that transports seedlings to a planting unit (for example, Patent Document 1). By the transfer rail, the seedling mat can be efficiently transferred from the vehicle to the seedling planting machine, and the burden on the operator in the transfer work can be reduced.

Japanese Patent No. 5023967

  The transport rail is fixed to the spare seedling stage, and the position of the transport rail cannot be changed.

  This invention is made | formed in view of such a situation, and it aims at providing the seedling planting machine which can change the position of a conveyance rail.

  A seedling planting machine according to the present invention is connected to a traveling unit that travels in a field, a rear side of the traveling unit, a planting unit that seeds seedlings in the field, and transports an object to be transported to the traveling unit. In a seedling planting machine including a transport rail, the transport rail is detachably supported, and includes a hitch having a circular shape in plan view.

  In the present invention, the transport rail is rotated around a hitch that has a circular shape in plan view, and is arranged at a desired position.

  The seedling planting machine according to the present invention includes a storage unit that stores the transport rail.

  In the present invention, when the worker transports the seedling mat from the vehicle to the seedling planting machine, the transporting rail is taken out from the storage unit, one end of the transporting rail is attached to the hitch of the seedling planting machine, and the other end Is mounted on the vehicle. The seedling mat is conveyed to a seedling planting machine via a conveyance rail. Moreover, by using a conveyance rail, another to-be-conveyed object, for example, a fertilizer bag, can be conveyed to a seedling planting machine. When there is no need to transport the object to be transported, the transport rail is removed from the hitch and the vehicle and stored in the storage unit.

  The seedling planting machine according to the present invention is characterized in that a storage box for storing a transported object and a shooter for guiding the transported object are attached to and detached from the transport rail.

  Generally, a seedling mat is conveyed from a vehicle to a seedling planting machine while being accommodated in a tray. In the present invention, the operator removes the seedling mat from the tray and puts the tray into the shooter on the seedling planting machine. The tray slides on the shooter and is collected in the storage box.

  In the seedling planting machine according to the present invention, a fertilizer is disposed on the traveling unit, the hitch is provided around the fertilizer, and a structure in which the fertilizer falls on the transport rail is provided. It is characterized by.

  In the present invention, a hitch is provided around the fertilizer, and the transport rail is disposed so that the transport rail is positioned above the fertilizer. The fertilizer bag is placed on the transport rail, and the fertilizer bag is opened. The transport rail has a structure in which fertilizer falls, for example, a hole. The fertilizer discharged from the fertilizer bag falls from the transport rail and is supplied to the fertilizer.

  The seedling planting machine according to the present invention is characterized in that the transport rail is configured to be foldable.

  In the present invention, the operator can fold the transport rail to make it compact and store it in the storage unit.

  In the present invention, the transport rail can be rotated around a hitch that has a circular shape in plan view and can be arranged at a desired position. Further, when not necessary, the operator can remove the transport rail from the hitch.

1 is a left side view schematically showing a seedling planting machine according to Embodiment 1. FIG. It is a perspective view which briefly shows the developed conveyance rail. It is explanatory drawing explaining folding of a conveyance rail. It is a perspective view which shows schematically the conveyance rail which mounted | wearing with the shooter and the storage box. It is a front view which briefly shows a shooter. It is a front view which outlines a storage box. It is sectional drawing which made the VII-VII line shown in FIG. 6 the cutting line. It is a side view which shows schematically the conveyance rail which inserted the hitch into the hitch insertion hole, and made the latching | locking part latch to the lift of the loading platform of a truck. It is a partial enlarged plan view which briefly shows the seedling planting machine which concerns on Embodiment 2 which attached the conveyance rail to the hitch.

(Embodiment 1)
Hereinafter, the present invention will be described with reference to the drawings showing a seedling planting machine according to Embodiment 1. FIG. 1 is a left side view schematically showing a seedling planting machine. In the following description, the top and bottom and front and back indicated by arrows in FIG. 1 are used, and the front side of FIG. 1 is the left side and the back side is the right side.

  The seedling planting machine is, for example, an 8-row riding seedling planting machine, and includes a traveling machine body 1 supported by a pair of left and right front wheels 3, 3 and rear wheels 4, 4. A planting part 30 is mounted on the rear side of the traveling machine body 1 via a lifting link mechanism. The elevating link mechanism includes an elevating hydraulic cylinder (not shown), and is configured such that an elevating hydraulic cylinder driving unit (not shown) drives the elevating hydraulic cylinder to raise and lower the planting unit 30. Yes.

  The traveling machine body 1 includes a body frame 2, and an engine 6 is mounted above the front portion of the body frame 2. The power of the engine 6 is transmitted to the rear wheels 4 and 4 through the transmission mission 8, and the traveling machine body 1 travels. The engine 6 is covered with a bonnet 5.

  On the left and right sides of the bonnet 5, preliminary seedling platforms 20, 20 are arranged. The preliminary seedling stage 20 has a support column erected on the traveling machine body 1 and a table supported by the support column. A spherical hitch 20a is provided at the upper end of the column. The hitch 20a may be a cylinder or a pillar having a circular shape in plan view.

  A steering handle 14 is disposed on the dashboard 11 at the rear of the bonnet 5. Further, the transmission mission 8 is covered with a vehicle body cover 7, a seat 13 is disposed above the vehicle body cover 7, and a fertilizer 21 is disposed behind the seat 13.

  An assist bar 15 is provided between the seat 13 and the fertilizer 21 to assist the operator in getting on and off. The assist bar 15 has an inverted U-shape, and a spherical hitch 15 a is provided at the upper end of the assist bar 15. The hitch 15a only needs to be formed in a circular shape in plan view, and may be cylindrical or columnar.

  The fertilizer device 21 has an opening in the upper portion, a plurality of hoppers 21a into which fertilizer is introduced from the opening, a lower portion of the hopper 21a, a feeding portion 21b for feeding the fertilizer by a predetermined amount, and a hopper 21a And a lid 21c that closes the opening. The plurality of hoppers 21a are juxtaposed in the left-right direction. A fertilizer supply pipe 22 for guiding the fed fertilizer downward is connected to the feeding portion 21b.

  The power of the engine 6 is transmitted to the feeding portion 21b via a transmission mechanism (not shown). The feeding unit 21b is driven by the power of the engine 6 to feed out fertilizer. There are as many hoppers 21a and feeding parts 21b as the number of seedling planting machines. The operator opens the lid 21c and supplies fertilizer to the hopper 21a.

  The planting part 30 connected to the rear part of the traveling machine body 1 includes a seedling stage 31, a planting transmission case 32, side floats 33 and 33, a center float 34, a rotary case 35, and the like. The seedling mounting table 31 is a mounting table for mounting mat-shaped seedlings. The seedling mounting table 31 is arranged in front and rear with respect to the traveling machine body 1 and is slidable in the left-right direction by the lower guide rail and the upper guide rail. It is supported.

  Moreover, the planting part 30 supports the traveling body 1 by rotatably supporting the rolling shaft 41 protruding forward from the planting part 30 by a bearing attached to a hitch member at the rear end of the lifting link mechanism. On the other hand, it is mounted so as to be able to roll around the rolling shaft 41, and further, between the planting portion 30 and the hitch member, a rolling hydraulic cylinder for driving the planting portion 30 relative to the traveling machine body 1 in a rolling manner. 42 is provided.

  The planting transmission case 32 is connected so as to protrude rearward from the rear end of the lifting link mechanism. Under the planting transmission case 32, side floats 33 and 33 and a center float 34 are rotatably supported via a link mechanism, and each float 33 and 33 for a farm scene is provided by a hydraulic cylinder for float (not shown). , 34 can be changed.

  In addition, a rotary case 35 including planting claws 36 and 36 is rotatably supported behind the planting transmission case 32. Since this rotary case 35 is prepared as many as the number of the seedling planting machines to be mounted, eight sets of rotary cases 35 are prepared for the eight seedling planting machine.

  In the riding seedling planting machine having such a configuration, the planting claw 36 is formed by sliding the seedling mounting table 31 in the left-right direction along with the forward traveling by the power of the engine 6 and rotating the rotary case 35 in each strip. 36, a single seedling can be cut out and planting can be performed continuously. Further, the fertilizer is supplied to each of the strips by driving the feeding portion 21b.

  A J-shaped stopper 21d protrudes from the front portion of the hopper 21a. The opening of the stopper 21d is located on the lower side. A transport rail 50 for transporting a transported object such as a seedling or fertilizer is provided below the stopper 21d. The stopper 21d locks the transport rail 50.

  The stopper 21d, the hopper 21a, and the space between the stopper 21d and the hopper 21a correspond to a storage unit that stores the transport rail 50. The stopper 21d is provided on at least one hopper 21a.

  FIG. 2 is a perspective view schematically showing the developed transport rail 50. The transport rail 50 includes two rod-shaped side frames 51 and a plurality of mounting plates 52, 52,..., 52 on which the objects to be transported disposed between the side frames 51, 51 are mounted. A plurality of rollers 53, 53,..., 53 arranged between the frames 51, 51.

  The two side frames 51 and 51 are arranged side by side so as to face each other. Inner grooves 51 a extending in the longitudinal direction are formed on the surfaces of the side frames 51 facing each other. An outer groove 51b extending in the longitudinal direction is formed on the surface opposite to the surface.

  Both side edges of the mounting plate 52 are inserted into the inner grooves 51a and 51a of the two side frames 51 and 51, and the mounting plate 52 is screwed at an appropriate position.

  Between the adjacent mounting plates 52, 52, a rotatable roller 53 having a rotation axis direction in a direction orthogonal to the longitudinal direction of the side frame 51 is provided. A plurality of ribs 52a, 52a,..., 52a extending along the longitudinal direction are arranged in parallel on the surface of the mounting plate 52 in a direction perpendicular to the longitudinal direction.

  A plurality of through holes 52b are arranged in parallel along the longitudinal direction between the adjacent ribs 52a, 52a and between the rib 52a and the side frame 51 in the mounting plate 52. The through hole 52b has a diameter through which granular fertilizer passes.

  The side frames 51 and 51 and the mounting plate 52 are divided into one side and the other side in the longitudinal direction in the vicinity of the center portion in the longitudinal direction of the side frame 51. The divided side frames 51 are connected via a hinge 54 so as to be foldable. The side frame 51 can be folded to the other surface side of the mounting plate 52.

  A locking portion 55 is provided at one end of each of the side frames 51 and 51 so as to protrude to the other surface side of the mounting plate 52.

  FIG. 3 is an explanatory diagram for explaining the folding of the transport rail 50. FIG. 3A shows a state where the transport rail 50 is unfolded, and FIG. 3B shows a state where the transport rail 50 is folded.

  The operator can fold the conveyance rail 50 to the other surface side of the mounting plate 52 from the unfolded state (see FIG. 3A). At this time, the locking portion 55 contacts and locks the other end portion of the side frame 51 (see FIG. 3B). The operator can fold the transport rail 50 and lock it on the stopper 21d, and store it in the seedling planting machine.

  The hinge 54 may be a friction type hinge. When a friction-type hinge is used, resistance is generated with respect to the operation of folding the transport rail 50, so that the operator's hand can be prevented from being pinched.

  A shooter 56 and a storage box 57 can be detachably provided on the transport rail 50. 4 is a perspective view schematically showing the transport rail 50 with the shooter 56 and the storage box 57 mounted thereon, FIG. 5 is a front view schematically showing the shooter 56, FIG. 6 is a front view schematically showing the storage box 57, and FIG. It is sectional drawing which made the VII-VII line shown in FIG. 6 the cutting line.

  The shooter 56 has a rectangular parallelepiped shape with two opposing surfaces opened. When mounted on the transport rail 50, the shuter 56 is inclined with respect to the mounting plate 52 so as to guide the object to be transported in the longitudinal direction of the transport rail 50. Side surface portions 56b and 56b are provided on two sides.

  On the upper side of the inclined bottom portion 56, a hitch insertion hole 56c into which the hitches 15a and 20a are inserted is provided. A sliding body 56d that protrudes outward and slides in the inner groove 51a of the side frame 51 is provided at the upper end portion of the side surface portion 56b.

  The storage box 57 includes a box body 57a having a rectangular parallelepiped shape with one side opened, and two support plates 57b and 57b that are provided at the upper edge of the box body 57a and face each other. The support plate 57 has a triangular shape, and a rotating portion, for example, a hinge or a hinge mechanism is provided on one side thereof. The one side is rotatably connected to the upper surface edge of the box 57a.

  A sliding portion 57c that slides in the outer groove 51b of the side frame 51 is provided at the apex portion of each of the support plates 57b and 57b facing the one side. The sliding portion 57c is provided on a surface of the one support plate 57b facing the other support plate 57b.

  As described above, the support plate 57b is rotatable, and as shown by the broken line in FIG. 6, the operator can fold the support plate 57b on the upper surface of the box 57a. When the storage box 57 is not used, the operator can remove the storage box 57 from the transport rail 50, fold the support plate 57, and store it in the warehouse. The space required for storage can be reduced as compared with the case where it cannot be folded.

  As shown in FIG. 4, the operator inserts the sliding portion 57c into the outer groove 51b so that the opening of the storage box 57 faces the other end side of the side frame 51 (opposite side of the locking portion 55). The storage box 57 can be arranged at a predetermined position. The support plate 57b may be fixed to the box 57a so that it cannot be folded.

  Further, the operator can insert the sliding body 56d into the inner groove 51a so that the hitch insertion hole 56c is located on the other end side of the side frame 51, and fix the shooter 56 to the other end portion of the side frame 51. .

  Next, an example of how to use the transport rail 50 will be described. FIG. 8 is a side view schematically showing the conveyance rail 50 in which the hitch 15 a is inserted into the hitch insertion hole 56 c and the locking portion 55 is locked to the lift 101 of the loading platform of the truck 100.

  In the initial state, the shooter 56 and the storage box 57 are not attached to the transport rail 50, are locked by the stopper 21d in a folded state, and are stored between the stopper 21d and the hopper 21a. A truck 100 is loaded with an object 200 to be conveyed, such as a seedling mat or a fertilizer bag.

  The operator takes out the transport rail 55 locked to the stopper 21d, expands it, and locks the locking portion 55 to the lift 101 of the loading platform of the truck 100. The operator inserts the sliding portion 57c of the storage box 57 into the outer groove 51b and places the storage box 57 at a predetermined position.

  The operator inserts the sliding body 56 d of the shooter 56 into the inner groove 51 a and fixes the shooter 56 to the other end of the side frame 51. The operator places the storage box 57 next to the shooter 56. The operator inserts the hitch 15 a into the hitch insertion hole 56 c of the shooter 56.

  The transport rail 50 is hung between the seedling planting machine and the truck 100 by the hitch 15a and the locking portion 55. The worker places the article to be transported 200 on the transport rail 50 and transports it to the seedling planting machine.

  The worker who has received the object 200 to be transported by the seedling planting machine sends the portion of the object 200 to be collected to the shooter 56. The portion fed into the shooter 56 slides down on the shooter 56 and is guided and stored in the storage box 57. The operator appropriately moves the storage box 57 to the truck 100 and returns the part stored in the storage box 57 to the truck 100.

  For example, when the conveyed product 200 is a seedling mat accommodated in a tray, the seedling mat is taken out from the tray and placed on the seedling placing table 31, and the tray is fed into the shooter 56. The tray fed into the shooter 56 slides down on the shooter 56 and is guided and stored in the storage box 57. The operator appropriately moves the storage box 57 to the truck 100 and returns the tray stored in the storage box 57 to the truck 100.

  The transported object 200 may be another object such as a fertilizer bag. When the fertilizer bag is conveyed, the operator opens the fertilizer bag with the seedling planting machine, supplies the fertilizer to the fertilizer device 21, and sends the bag to the shooter 56. The bag sent to the shooter 56 is stored in the storage box 57. The operator appropriately moves the storage box 57 to the truck 100 and returns the bag to the truck 100.

  The operator may insert the hitch 20a into the hitch insertion hole 56c of the shooter 56 instead of the hitch 15a. When the shooter 56 is not used, the operator may use the through holes 52b as hitch insertion holes and insert the hitches 15a and 20a into the through holes 52b.

  In the seedling planting machine according to the first embodiment, the operator can turn the transport rail 50 around the hitch 15a, 20a having a circular shape in plan view and place it at a desired position. .

  Further, when the worker transports the object to be transported 200 (seedling mat, fertilizer bag, etc.) from the vehicle to the seedling planting machine, the transport rail 50 is taken out from between the stopper 21d and the hopper 21a, and the hitch insertion hole of the transport rail 50 is removed. 56c or the through hole 52b is inserted into the hitches 15a and 20a of the seedling planting machine, and the hook 55 is locked to the track 100. The transported object 200 is transported to the seedling planting machine via the transport rail 50. When there is no need to transport the transported object 200, the transport rail 200 is removed from the hitches 15a, 20a and the track 100 and is stored between the stopper 21d and the hopper 21a. The conveyance rail 50 can be used without impairing the properties.

  In general, the seedling mat is conveyed from the truck 100 to the seedling planting machine while being accommodated in a tray. In the seedling planting machine, the operator removes the seedling mat from the tray and puts the tray into the shooter 56 on the machine of the seedling planting machine. The tray slides on the shooter 56 and is collected in the storage box 57.

  Also, the operator can fold the transport rail 50 to make it compact and store it between the stopper 21d and the hopper 21a.

(Embodiment 2)
Hereinafter, the present invention will be described with reference to the drawings showing a seedling planting machine according to a second embodiment. FIG. 9 is a partially enlarged plan view schematically showing a seedling planting machine in which the transport rail 50 is attached to the hitch 15a.

  A shooter 56 is attached to the transport rail 50, and a hitch 15 a is inserted into a hitch insertion hole 56 c of the shooter 56. At one end side (the locking portion 55 side) of the transport rail 50, one or more detachable cutters 59 are provided on the rib 52a. The operator can supply fertilizer to the hopper 21a as follows.

  The operator removes the lid 21c. And a fertilizer bag is mounted on the one end side of the conveyance rail 50, and it moves toward a seedling planting machine. The fertilizer bag is opened by the cutter 59. An operator takes out granular fertilizer from the opened fertilizer bag and spreads it on the conveyance rail 50 above the fertilizer 21. The fertilizer falls through the through hole 52b and is supplied to the hopper 21a of the fertilizer device 21. As described above, the through hole 52b has a diameter through which granular fertilizer can pass.

  The through hole 52b may be an elongated slit. Various shapes such as a circle, a triangle, a quadrangle, and other polygons can be adopted as the shape of the through hole 52b. Moreover, you may incline the mounting board 52 of the conveyance rail 50, without providing the through-hole 52b. In this case, the fertilizer slides on the mounting plate 52 and falls. The inclination angle of the mounting plate 52 is set to an angle at which the fertilizer slides but the fertilizer bag does not slide.

  When the fertilizer supply to the hopper 21a is completed, the operator can remove the cutter 59 from the rib 52a for safety.

  The operator rotates the transport rail 50 with the hitch 15a as a fulcrum so that the fertilizer is supplied to each of the plurality of hoppers 21a approximately equally, so that the through hole 52b is positioned above the hopper 21a. The position can be changed as appropriate.

  The cutter 59 may protrude from the rib 52a as necessary. For example, a recess is formed in the rib 52a, and the cutter 59 is provided in the recess via a rotating member (for example, a hinge). A lever is provided on the rotating member. The operator operates the lever to rotate the cutter 59 so as to protrude from the rib 52a or accommodate it in the recess.

  In the seedling planting machine according to Embodiment 2, the hitch 15a is provided around the fertilizer 21, and the transport rail 50 is arranged so that the transport rail 50 is positioned above the fertilizer 21. The The fertilizer bag is placed on the transport rail 50, and the fertilizer bag is opened. The fertilizer discharged from the fertilizer bag passes through the through-hole 52 b of the transport rail 50 and falls and is supplied to the fertilizer device 21. The operator can easily transport the fertilizer bag up to the upper side of the fertilizer 21 and replenish the hopper 21a with the fertilizer even if the fertilizer bag is heavy.

  Among the configurations of the seedling planting machine according to the second embodiment, the same reference numerals are given to the same configurations as those of the first embodiment, and detailed description thereof is omitted.

  It should be thought that embodiment disclosed this time is an illustration and restrictive at no points. The technical features described in each embodiment can be combined with each other, and the scope of the present invention is intended to include all modifications within the scope of claims and the scope equivalent to the scope of claims. Is done.

DESCRIPTION OF SYMBOLS 1 Traveling machine body 15a, 20a Hitch 21 Fertilizer 21a Hopper (storage part)
21d Stopper (storage part)
30 Planting part 50 Conveying rail 52 Mounting plate 52a Rib 52b Through hole 56 Shutter 57 Storage box 200 Conveyed object

Claims (5)

In a seedling planting machine that includes a traveling unit that travels in a field, a planting unit that is connected to a rear side of the traveling unit, and that plants seedlings in the field, and a transport rail that transports a transported object to the traveling unit. ,
A seedling planting machine characterized by comprising a hitch that supports the transport rail in a detachable manner and has a circular shape in plan view. The seedling planting machine according to claim 1, further comprising a storage unit that stores the transport rail. The seedling planting machine according to claim 1 or 2, wherein a storage box for storing a transported object and a shooter for guiding the transported object are attached to and detached from the transporting rail. A fertilizer is arranged on the traveling part,
The hitch is provided around the fertilizer,
The seedling planting machine according to any one of claims 1 to 3, wherein the transport rail is provided with a structure in which fertilizer falls. The seedling planting machine according to any one of claims 1 to 4, wherein the transport rail is configured to be foldable.

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