KR20200026088A - Transplanter - Google Patents

Abstract

A purpose of the present invention is to provide a transplanter which is capable of freely adjusting the transplant depth of planting devices on left and right sides without interference with a lifting link mechanism. A rear side of a lifting mechanism (21) for lifting planting hoppers (20a, 20b) which plant seedlings is formed on a link holder (210) to rotate. A notch unit (221) is formed on a rear side of the link holder (210). A connection member (209) is arranged on the notch unit (221). An adjustment support plate (222) is mounted on the link holder (210). Elongated holes (224) are formed in left and right sides of the adjustment support plate (222). A hopper holder (225) supporting the planting hoppers (20a, 20b) is connected with the adjustment support plate (222). The connection member (209) can be switched between a state in which the planting hoppers (20a, 20b) can move in left and right directions by releasing the connection of the adjustment support plate (222) and the hopper holder (225) and a state in which a left and right position is fixed by connecting the adjustment support plate (222) and the hopper holder (225) to each other.

Description

Transplanter {TRANSPLANTER}

The present invention relates to an implanter for transplanting seedlings into packages.

Conventionally, as a seedling transplanter which transplants seedlings supplied from a seedling supply apparatus by a plurality of seedling receptors, a transplanter capable of planting two rows from side to side is known (for example, see Patent Documents 1 and 2).

The implanter is configured to move the planting device along an adjustment bar projecting in the left-right direction installed in the link holder of the elevating link mechanism, and sets the right and left spacing of the seedling, so-called intertidal, according to the conditions.

Japanese Patent Registration No. 5348219 Japanese Patent Registration No. 5712461

However, in the implanter of patent document 1, since the lifting link mechanism is in the position which regulates the left-right movement of a planting apparatus, especially the movement to the side which narrows an intertidal space, there exists a problem which cannot cope with planting work in a narrow intertidal space more than a certain.

In addition, in the implanter of Patent Literature 2, the moving mechanism of the planting apparatus is configured to move left and right along an adjustment bar that penetrates the lifting link mechanism, so that the lifting link mechanism does not interfere with movement. Since the moving mechanisms are in contact with each other, there is a problem in that planting work in a narrow intertidal space cannot be supported.

It is an object of the present invention to provide an implanter capable of adjusting the intertidal space of a planting device on the left and right without interfering with an elevating link mechanism or the like in view of the above problems.

In order to solve the above problems, the following technical measures were taken.

The invention according to claim 1 includes a seedling supply device 43 for supplying seedlings, planting hoppers 20a and 20b for planting seedlings supplied from the seedling supply device 43, and the planting hoppers 20a and 20b. In the implanter provided with the lifting mechanism 21 to elevate, the rear portion side of the elevating mechanism 21 is rotatably installed on the link holder 210, and the notch portion 221 is provided on the rear portion side of the link holder 210. And a connecting member 209 connecting the planting hoppers 20a and 20b to the link holder 210 to the notch 221, and adjusting the support plate 222 to the link holder 210. And a long hole 224 in the left and right directions in the adjustable support plate 222, and a hopper holder 225 for supporting the planting hoppers 20a and 20b with the adjustable support plate 222, and The connection member 209 disconnects the adjustment support plate 222 from the hopper holder 225 to form an image. The transplanting hopper 20a, 20b was movable in the left-right direction, and it was switchable in the state which connected the said adjustment support plate 222 and the hopper holder 225, and was able to switch to the state which fixed the left-right position. .

The method according to claim 1, the invention according to claim 2 is the adjustment support plate 222 is mounted to the notch portion 221, the adjustment space portion 223 between the notch portion 221 and the adjustment support plate 222. The implant was characterized in that the formation.

The implanter according to claim 1 or 2, wherein the left and right center portions of the adjustment support plate 222 are located at the rear portion of the elevating mechanism 21.

The invention according to claim 1 or 2, wherein the elevating mechanism 21 is composed of an upper link arm 21a and a lower link arm 21b, and the upper link arm 21a is connected to the link holder 210. The position where it is attached to the ()) is said to be an implanter characterized by setting the lower link arm 21b to the front side of the body than the position where the link arm 21b is attached to the link holder 210.

The invention according to claim 5, wherein the invention according to claim 5 is provided with a transmission case 26 for elevating and driving the elevating mechanism 21, and an elevating crank 215 for rotating the elevating mechanism 21 up and down. The lifting crank 215 is configured to rotate by receiving a driving force from the transmission case 26, and installs a connection plate 216 connecting the lifting crank 215 to the lifting mechanism 21. The connecting position of the connecting plate 216 and the lifting crank 215 is configured to be connected to the lower side of the body than the lifting mechanism 21, and the connecting plate 216 is more gaseous than the lifting mechanism 21. The implanter was located in the inner side.

(Effects of the Invention)

According to the invention according to claim 1, the planting hoppers 20a and 20b can be moved left and right by the connecting member 209, so that the right and left positions of the planting hoppers 20a and 20b can be changed to adjust the daytime between the seedlings. It is possible to work in the daytime suitable for the seedling type and growing conditions.

In addition, since the connection member 209 is provided in the notch part 221 formed in the link holder 210, the connection member 209 can be operated using the space of the notch part 221, and it is planting hopper 20a, 20b. It is possible to easily switch between the movable state and the fixed state of the), improving work efficiency.

In addition, by forming the long hole 224 in the left and right directions, it becomes easy to grasp the range in which the hopper holder 225 is moved, so that the hopper holder 225 is prevented from falling off from the left and right ends of the adjustment support plate 222, thereby improving work efficiency. Is improved.

According to the invention according to claim 2, in addition to the effect of the invention according to claim 1, the connecting member 209 is operated by the adjustment space part 223 being formed between the notch part 221 and the front and rear of the adjustment support plate 222. A sufficient space can be secured, and the movable state and the fixed state of the planting hoppers 20a and 20b can be easily switched, thereby improving work efficiency.

According to the invention according to claim 3, in addition to the effect of the invention according to claim 1 or 2, the left and right center portions of the adjustment support plate 222 are positioned at the rear of the lifting mechanism 21 so that the planting hoppers 20a and 20b are left and right. The range of adjustment of the position can be secured widely in the left and right directions.

In addition, since the lifting mechanism 21 does not prevent the left and right movement of the planting hoppers 20a and 20b, the adjustment range of the left and right positions of the planting hoppers 20a and 20b can be secured more widely.

According to the invention according to claim 4, in addition to the effect of the invention according to claim 1 or 2, the position at which the upper link arm 21a is mounted on the link holder 210 is connected to the lower link arm 21b by the link holder 210. Since the planting hoppers 20a and 20b can be inclined forward near the top dead center of the lifting trajectory by positioning the gas forward side rather than the position to be mounted on the body, the seedlings supplied are guided to the inner lower portion of the planting hoppers 20a and 20b by the inclination. Can surely rust seedlings on the package.

In addition, since the planting hoppers 20a and 20b can be changed from the rear inclined position to the front inclined position near the bottom dead center of the lifting trajectory, the front and rear ranges in which the planting hoppers 20a and 20b form holes in the pavement surface are restrained and planted. Preventing seedlings from falling or inclined poses can lead to poor growth.

According to the invention according to claim 5, in addition to the effect of the invention according to claim 1 or 2, the center can be made near the center by connecting the connecting plate 216 and the lifting crank 215 below the lifting mechanism 21 below the body. Therefore, it is difficult for the base to be inclined back and forth by the weight of the member or the like, and the planting depth and planting posture of the seedlings are stabilized.

In addition, since the connecting plate 216 is located inside the body rather than the elevating mechanism 21, the elevating mechanism 21 does not receive a load directly from the elevating crank 215, so that the durability of the elevating mechanism 21 can be improved. do.

1 is a left side view of the implanter.
2 is a right side view of the implanter.
3 is a rear view of the implanter.
4 is a plan view of the implanter.
It is a side view which shows the inter-tidal adjustment mechanism of a lifting mechanism and a planting hopper of right and left.
It is a top view which shows the inter-tidal adjustment mechanism of a lifting mechanism and a planting hopper of right and left.
It is a back surface which shows the inter-tidal adjustment mechanism of a lifting mechanism and the planting hopper of right and left.
It is a perspective view which shows the inter-tidal adjustment mechanism of a lifting mechanism and a planting hopper of right and left.
It is a rear view which shows the principal part of the opening / closing mechanism of a planting hopper.
Fig. 10 (a) is a view when seen from the back side of the recess showing the adjustment support plate, and Fig. 10 (b) is a view when seen from the front side of the recess showing the adjustment support plate.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described based on drawing.

1 is a left side view showing the implanter 10, FIG. 2 is a right side view, FIG. 3 is a rear view, and FIG. 4 is a plan view.

In addition, in the following description, the side which arrange | positioned the steering wheel 47 is made back, and the opposite side, ie, the side which arrange | positioned the engine 41, is made front. The right hand side is referred to as the right side and the left hand side is referred to as the left side toward the body front side.

The implanter 10 of the present invention includes a traveling vehicle body 40 for enabling the vehicle to travel forward, a steering wheel 47 provided at the rear portion of the traveling vehicle body 40, and a planting device 42 for planting seedlings on the pavement. And the seedling supply apparatus 43 which supplies a seedling to the planting apparatus 42 is provided.

The traveling vehicle body 40 includes an engine 41, left and right rear wheels 44 in which power of the engine 41 is transmitted and driven to rotate, and left and right front wheels 45 that can be rotated in front of the rear wheels 44. .

A mission case 39 is disposed at the rear side of the engine 41, and the mission case 39 has a case portion extending toward the left side of the engine 41 at the left side, and the case portion is formed of the engine 41. The power is transmitted to the transmission mechanism in the mission case 39 by being connected to the left part.

The front part of the traveling transmission case 38 which is long forward and backward is attached to the left and right both sides of the mission case 39 so that rotation is possible. Specifically, an axle case which is integrally rotatable with the traveling transmission case 38 is provided on the inner side of the body of the front portion of the traveling transmission case 38, and the axle case can be rotated on both left and right sides of the mission case 39. And the traveling transmission case 38 is rotatably installed corresponding to the left and right sides of the mission case 39. And the rear wheel 44 is attached to the rear wheel axle 12 which protruded to the rear side side of the said drive transmission case 38. As shown in FIG.

The front end of the wheel drive shaft extended from the mission case 39 to the left and right outward sides enters the rotation axis center position of the front part of the traveling transmission case 38, and the driving power for driving through the traveling transmission transmission part in the mission case 39 travels. It is transmitted to the transmission mechanism in the transmission case 38. And the driving power is transmitted to the rear axle 12 of the traveling transmission case 38 via the transmission mechanism in the traveling transmission case 38, and the rear wheel 44 drives and rotates.

In addition, the left and right rear wheels 44 (not shown) provided in the mission case 39 are configured to block driving of the left and right rear wheels 44, respectively. Therefore, when turning a base body, it can turn smoothly, making the rear wheel 44 on the side which turns inside into non-driven state.

Moreover, the traveling transmission case 38 is equipped with the vertical rotation means which raises and lowers the rear wheel 44, making the front part side of the traveling transmission case 38 a rotation point. Specifically, an upwardly extending arm 13 is integrally provided at the attachment portion of the traveling transmission case 38 to the mission case 39, and the lifting cylinder with the arm 13 fixed to the mission case 39. It is connected to both the left and right sides of the connecting body attached to the tip of the piston rod (300). The left and right one side (right side) is connected by the connecting rod, and the other side (left side) is connected by the horizontal control cylinder which can be extended and contracted corresponding to the inclination of the body.

When the lifting cylinder 300 operates and the piston rod protrudes to the rear of the body, the left and right arms 13 rotate rearward, and thus the traveling transmission case 38 rotates downward to raise the body. On the contrary, when the piston rod of the elevating cylinder 300 moves to the front of the gas and enters the cylinder, the left and right arms 13 rotate forward, whereby the traveling transmission case 38 rotates upwards to lower the body.

The lifting cylinder 300 is operated by the sensor 14 which is grounded to the ridged surface and operated according to the fluctuation of the vertical distance between the gas and the ridged surface. The operation of the sensor 14 consists of an operation of detecting the height of the upper surface of the gyrus based on the position of the gas, and based on the detection operation of the sensor 14, the sensor 14 becomes a set height corresponding to the height of the upper surface of the gyrus. The lifting cylinder 300 is configured to operate.

In addition, when the horizontal control cylinder is stretched and operated, the left arm 13 connecting with the horizontal control cylinder rotates, and only the rear wheel 44 on the left side is moved up and down to incline the gas to the left and right. The horizontal control cylinder operates on the basis of the detection result of the sensor that detects the left and right inclination of the gas on the basis of the left and right horizontal, and is configured to make the gas horizontally.

Longitudinal longitudinal frames 17 are attached to both the left and right sides of the transverse frame 16 rotatably attached around the axis in the front-rear direction from the left and right center positions below the engine 41. The left and right front wheels 45 are rotatably installed on the front wheel axle 18 fixed to the lower end side of the longitudinal frame 17. Therefore, the left and right front wheels 45 can be rolled around the axial center of the front-back direction of the left-right center of a base body. In addition, the vertical frame 17 is attached to the upper and lower sides of the horizontal frame 16 so as to be adjustable up and down, and the height of the front wheels 45 may be adjusted.

The steering wheel 47 is provided at the rear side of the body and is located at the rear side of the body rather than the rear axle 12 of the rear wheel 44. Specifically, it is provided in the rear end of the base frame 19 which fixed the front end to the mission case 39.

The base frame 19 extends rearward from the left and right centers of the base, and extends obliquely upward from the front and rear middle portions.

The steering wheel 47 extends rearward left and right from the rear end of the base frame 19, and makes each rear end a grip part of the steering wheel 47. As shown in FIG.

The planting device 42 includes a plurality of beak-shaped planting spheres, a lifting mechanism 21 for raising and lowering the planting sphere at a position where the lower end of the planting sphere is above the paving surface and below the paving surface, and the lower end of the beak-shaped planting sphere. Is closed to receive the seedlings from the upper side to accommodate the seedlings in the inner side, and the opening and closing mechanism for opening and closing the planting spheres in the open state to open the lower end of the planting sphere left and right to release the seedlings received inward do.

As shown in FIG. 1 to FIG. 8, the planting apparatus 42 is a structure of the two-row planting which arrange | positioned the planting hoppers 20a, 20b side by side. The planting hopper 20a and the second planting hopper 20b are respectively attached to the lifting mechanisms 21 provided on the left and right sides of the transmission case 26 which are transmitted from the mission case 39.

The lifting mechanism 21 is composed of upper and lower link arms 21a and 21b, and the upper link arm 21a and the lower link arm 21b mount the front end side to the transmission case 26 so as to be able to rotate up and down, respectively. In addition, the rear end side is mounted so as to be rotatable vertically between the left and right sides of the left and right link holders 210. A planting part which is formed at a position separated from the rotation axis of the swinging rotor 211 rotatably mounted to the transmission case 26 toward the outer peripheral edge side, and lifted up and down by the elevating mechanism 21. The hoppers 20a and 20b are rocked from the front to the back.

In addition, the transmission case 26 is fixed to the upper part of the attachment member which fixed the lower part to the base frame 19. As shown in FIG. Further, the rear end sides of the planting hoppers 20a and 20b and the elevating mechanism 21 are located at the rear side of the body than the rear ends of the rear wheels 44 on the right and left as viewed from the side, and each of the outer sides of the body has no other member. We make space part.

In particular, the position at which the front end portion of the upper link arm 21a is mounted on the swinging rotor 211 is the planting hopper 20a, 20b from the seedling of the planting hoppers 20a, 20b to the bottom dead center after receiving the seedlings. ) Is changed from the rear inclination posture to an approximately perpendicular posture with respect to the pavement surface, and is set to a position that changes from the vertical posture to the front inclined posture when it starts to rise from the bottom dead center.

Thereby, since the time and distance which enter into the soil can be shortened in order to plant a seedling in the planting hopper 20a, 20b, the planting hole formed by the planting hopper 20a, 20b can be made small, This fall prevents the planting posture from being disturbed.

In addition, since the planting hoppers 20a and 20b are inclined forwardly in the vicinity of the top dead center, the upper end of the planting hoppers 20a and 20b can be brought close to the drop feed position of the seedling supply device 43, so that the seedlings are planted hoppers. It is not supplied in 20a, 20b, and occurrence of colonization is prevented.

The seedlings that have entered the planting hoppers 20a, 20b can be slid from the upper side to the lower side by the planting hoppers 20a, 20b when the seedlings are dropped and supplied, so that the planting hoppers 20a, 20b Seedlings in the) are not planted in the package, preventing the colonization.

Further, an adjustment plate 212 having a plurality of arc-shaped adjustment holes 212a... Is disposed between the swinging rotor 211 and the upper link arm 21a. The front and rear inclination angles of the planting hoppers 20a and 20b can be adjusted by changing the position where the fixing member is inserted.

As a result, the front and rear inclination angles of the planting hoppers 20a and 20b can be appropriately adjusted in accordance with the working conditions such as the length and the planting depth of the seedlings, so that the seedlings are planted in a posture or planting depth suitable for growth, and the growth of the seedlings is improved.

The lifting driving force of the lifting mechanism 21 is transmitted from the lifting driving shaft 213 formed on the rear side of the body rather than the rotating shaft of the swinging rotor 211. An elevating circular rotating cam 214 is mounted on the lifting drive shaft 213, and the lifting crank 215 rotates the upper link arm 21a up and down between the left and right sides of the rotation cam 214 and the upper link arm 21a. Install). In addition, the lower link arm 21b rotates up and down in association with the upper link arm 21a, and the lifting mechanism 21 is a parallel link.

The lifting crank 215 is mounted on a connecting shaft 216, one end of which is mounted on a rotation shaft which faces the outside of the body from the rotation cam 214, and the other end of which is formed inside the body of the upper link arm 21a. The locus of 20a, 20b shall be suitable for planting of a seedling, and receiving of a seedling from the seedling supply apparatus 43. FIG.

In addition, the connecting plate 216 protrudes from the upper link arm 21a toward the lower side of the gas, and is disposed with the lower end positioned slightly above the upper end or the upper end of the lower link arm 21b, and the lower end of the connecting plate 216. The other end of the lifting crank 215 is mounted in the vicinity.

Since the lifting crank 215 can be arrange | positioned near gas lower part by the said structure, since a center becomes near gas lower part, it becomes difficult to incline a gas in the front-back direction, and planting depth and planting attitude of a seedling are stabilized.

In addition, by attaching the other end of the lifting crank 215 to the connecting plate 216, the upper link arm 21a is not configured to receive a load directly from the lifting crank 215, thereby improving durability of the upper link arm 21a. do.

Since the load applied by the lifting operation is small as described above, the upper link arm 21a and the lower link arm 21b may be constituted by hollow square pipes. If the upper link arm 21a and the lower link arm 21b are lightweight, the load transmitted to the transmission case 26 through the lifting crank 215 or the rotation cam 214 is reduced, so that the durability of the transmission case 26 is also improved. do.

In addition, the ascending speed does not become too slow or the ascending speed is too high by weight, and the lifting trajectory of the planting hoppers 20a and 20b is stabilized, the planting posture and planting depth of the seedlings are stabilized, and growth is improved. .

Further, the upper link arm 21a and the lower link arm 21b are disposed by arranging the rotation cam 214, the lifting crank 215, and the connecting plate 216 between the transmission case 26 and the left and right of the lifting mechanism 21. ), The upper link arm 21a and the lower link arm 21b can be formed in a straight line, so that the configuration can be simplified and the strength can be maintained.

The front and rear lengths of the upper link arm 21a and the lower link arm 21b are set to be different in order to make the raising and lowering of the planting hoppers 20a and 20b suitable for planting by seedlings. In this case, the upper link arm 21a is made shorter than the lower link arm 21b.

The rear ends of the upper link arm 21a and the lower link arm 21b are mounted with the vertical gap between the left and right sides of the left and right link holders 210 as described above, but at this time, the mounting position of the upper link arm 21a is lowered. It is located in the front side of the body rather than the mounting position of the arm 21b.

As a result, when the planting hoppers 20a and 20b rise near the top dead center, the distance between the points on the rear end side of the upper link arm 21a and the lower link arm 21b becomes long, and the front and rear of the planting hoppers 20a and 20b are increased. Since the amount of rotation is suppressed small, the amount of front-back position of the planting hoppers 20a, 20b above the planting hopper 20a, 20b is hard to change near the drop feed position of the seedling feeder 43, and the case of missing the seedlings is reduced.

In addition, when the planting hoppers 20a and 20b are raised to the bottom dead center, the distance between the points on the rear end side of the upper link arm 21a and the lower link arm 21b becomes shorter and the front and rear of the planting hoppers 20a and 20b. Since the rotation amount becomes large, the planting hoppers 20a and 20b can be changed from the rear inclined posture to the front inclined posture, and the planting hoppers 20a and 20b are prevented from contacting the seedlings and knocked over or injured.

At the front end of the lower link arm 21b, the opening / closing arm 218 equipped with the opening and closing wire 220 for operating the opening and closing mechanism for opening and closing the planting hoppers 20a and 20b in accordance with the lifted position can be rotated back and forth. To be installed. A contact roller 219 is provided on the upper rear side of the opening / closing arm 218 so as to contact when a portion having a predetermined diameter or more of the swinging rotor 211 passes.

When the swinging rotor 211 comes into contact, the opening and closing arm 218 rotates forward and pulls the opening and closing wire 220 to close the planting hoppers 20a and 20b, and the swinging rotor 211 does not come into contact. The opening / closing arm 218 rotates backward and the opening / closing wire 220 is loosened, and the planting hoppers 20a and 20b are opened and closed.

In addition, the planting hoppers 20a and 20b are opened while planting seedlings from the middle of the lowering and starting to rise, and closing are during seeding of seedlings after planting the seedlings and starting to rise.

The notches 221 are formed on the rear side of the left and right link holders 210 in a U-shape opening to the rear side of the body. The upper and lower portions of the notch 221 protrude from the rear of the body.

And the rear part of the left and right link holders 210 is provided with the U-shaped adjustment support plate 222 which a gas front side opens when seen from the side surface shown to FIG. 5 and FIG. In the upper and lower protrusions 222a of the adjustment support plate 222, tooth widths 222b, ... in the left and right directions are formed at left and right intervals approximately equal to the left and right gaps of the left and right link holders 210, respectively, and the tooth widths 222b, ... Put the plug into the link holder 210, respectively. At this time, between the notch 221 and the front and rear of the adjustment support plate 222, a rectangular adjustment space 223 is formed when viewed from the side.

The adjustment support plate 222 is located at the rear of the upper link arm 21a and the lower link arm 21b constituting the lifting mechanism 21, and protrudes approximately the same length in the left and right directions, and the rear of the gas. Long holes 224 for adjusting the interleave are formed on the upper and lower wall surfaces positioned at the portion.

A hopper holder 225 supporting the planting hoppers 20a and 20b on the rear side of the body is installed at the rear portion of the adjustable support plate 222. The hopper holder 225 is bent in the L-shaped upper side to the front side of the body to form a connection portion, and protrudes toward the rear of the body through the connecting members 209 such as planting hoppers 20a and 20b and bolts. A connecting portion for connecting is formed. Moreover, the attachment hole (not shown) of the connection member 209, such as a bolt, is formed in the wall surface of the connection part below and further up-down from the connection part in the left-right direction. In addition, the hopper holder 225 has the L-shaped connecting portion along the upper side and the rear side of the adjustment support plate 222 as viewed from the side, so that the long hole 224 for the interleave adjustment and the attachment hole are located at the same vertical height. Mount it. Accordingly, when the connection member 209 is removed or released, the hopper holder 225 can be slid in the left and right directions along the adjustment support plate 222.

When adjusting the left and right planting intervals of the left and right planting hoppers 20a and 20b, that is, the inter-morning, the connecting member 209 is removed or pulled as described above to move the hopper holder 225 within the left and right widths of the adjustment support plate 222. It is determined by moving to any position and attaching or tightening the connecting member 209.

In addition, the connecting member 209 is plugged in through the attachment hole of the hopper holder 225, and can be switched between the position fixing state and the inter-zone adjustment state by screwing into or extracting the nut installed on the adjustment space 223 side. It is a constitution.

In the above configuration, the connecting member 209 enters the stop hole 224 for interleave adjustment so that the connecting member 209 becomes a stopper and prevents the hopper holder 225 from falling off from the left and right ends of the adjustment supporting plate 222. have.

In the interannual adjustment configuration of the present invention including the left and right planting hoppers 20a and 20b, the interleave of the left and right planting hoppers 20a and 20b is narrowest because the left and right spacing of the right and left adjustment support plates 222 can be secured. When the hopper holder 225 is moved, i.e., even when the hopper holder 225 is moved to the gas inner end of each adjustment support plate 222, the planting hoppers 20a and 20b on the left and right do not interfere with each other. As a result, the intertidal space can be set narrower than before, so that various working conditions can be coped with.

In addition, by installing the adjustment support plate 222 at the rear of the elevating mechanism 21, the adjustment support plate 222 can be prevented from preventing the planting hoppers 20a and 20b from moving left and right. It is possible to set the tidal range to a wider range over the left and right widths of a), and to cope with more various working conditions.

In addition, the adjustment space 223 is formed between the front and rear of the link holder 210 and the opening of the adjustment support plate 222, so that the operator can see the space on the rear side of the left and right rear wheels 44 and in the space outside the body. Since the nut can be tightened or loosened, the interleave adjustment can be performed efficiently.

If the thickness of the nut is less than half of the front and rear width of the adjustment space 223, the nut can be attached to or detached from the left and right center portions of the adjustment support plate 222, that is, behind the upper link arm 21a and the lower link arm 21b. Since the working space for entering the tool is secured, a position in which the planting hoppers 20a and 20b cannot be fixed within the left and right widths of the adjustable support plate 222 does not occur, so that the necessary interplanar setting is possible.

In the intertidal adjustment mechanism, the planting hoppers 20a and 20b on the left and right are basically moved in the symmetrical direction. For example, when setting the interlayer to 70 cm, the left and right planting hoppers 20a and 20b are moved to the left and right outer ends of the adjustment support plate 222, respectively. 20b) are respectively moved to the left and right inner ends of the adjustable support plate 222. Other tilings are set by moving them to an arbitrary position within the left and right widths of the adjusting support plate 222, but an indicator may be provided on the adjusting support plate 222 in order to visually understand how many centimeters the tiling is set. .

However, depending on the type of work and the packaging environment, more than two trillions, for example four trillions, may be planted on a wide ridge. When four sets of one gyrus are reciprocated, the left and right planting hoppers 20a and 20b are aligned with the left and right sides of the adjustment support plate 222 together to offset the planting position to one side on the left and right side in the advancing direction of the ridge. It is possible to carry out planting of seedlings. Accordingly, it is possible to cope with various working conditions.

The planting hoppers 20a and 20b cover the hopper cover 226 on the upper side of the hopper holder 225 toward the rear side of the body, and notch the upper surface of the left and right sides on the rear side of the body to form an open space. The left and right pivotal support shafts 227 are respectively formed between the wall surface on the rear side of the hopper holder 225 and the front and rear of the wall surface on the rear side of the hopper cover 226, and the pivotal support shafts 227 are respectively rotated. The arm 228 is mounted to be rotatable. Most of the left and right pivotal arms 228 protrude upward from the open space portion.

The left and right pivot support shafts 227 are disposed on the lower side of the body than the notch portion 221 or the adjustment support plate 222 of the link holder 210.

As a result, the pivot support shaft 227 on the hopper holder 225 side can be disposed on the lower side of the adjustable support plate 222 without further widening the front and rear spacing with the link holder 210, so that the planting hopper 20a, The front-back position of 20b) does not go back too much, and it can be set as a compact structure.

In addition, the cable outer portion of the opening / closing wire 220 is mounted on the outside of the body of the rotating arm 228, and the cable inner is connected to the inside of the body, so that the tensioning and loosening of the opening / closing wire 220 is performed. It is set as this rotating structure.

Further, the left and right pivot support shafts 227 are mounted with a U-shaped opening and closing arm 230 for mounting the left and right hopper stays 229 on the lower side so as to be able to rotate left and right, respectively. The opening and closing arm 230 has a shape covering the front and rear of the hopper stay 229, and the upper and lower side of the hopper stay 229, as shown in Fig. 9 the gear portion 230a in which the unevenness in the left and right directions alternately in the up and down direction Are formed respectively. It is a structure which synchronizes the rotation amount at the time of opening / closing of the opening-closing arm 230 by engaging this gear part 230a, and is set as the structure which can open | release a seedling from the planting hopper 20a, 20b without bias.

In addition, support pins 232 are provided on the left and right sides of the base body of the front and rear surfaces of the opening and closing arms 230, and the left and right opening and closing arms 230 are biased in a direction close to each other on the left and right support pins 232. Spring 233 is disposed on the front side or the rear side of the body, respectively.

In addition, the hopper stay 229 is connected to the front and rear portions of the opening and closing arm 230, the front and rear portions bent in the front and rear, semi-circular shape for mounting the left and right hopper constituents 231 on the respective inner side of the base in the front and rear direction Notches (not shown) are formed. When the hopper structure 231 on the left and right sides is opened, the lower end side is greatly opened in the left and right directions, and when the hopper structure 231 is closed, the cross sections are substantially evenly contacted over the top and bottom. In addition, the lower end part of the hopper structure 231 is formed in plate shape, and it is set as the shape which reduces the resistance at the time of entering in soil.

In addition, an opening (not shown) of approximately the same diameter or slightly smaller diameter is formed in the hopper cover 226 with the top of the left and right hopper structures 231, and the seedlings supplied from the seedling supply device 43 are left and right in this opening. The seedling guide 234 for guiding the inside of the hopper structure 231 is mounted. In addition, the diameter of the upper end of the hopper structure 231 on the left and right is larger than the diameter of the lower side from the vicinity of the upper end.

The lower side of the seedling guide 234 than the hopper cover 226 is approximately the same diameter, and the upper side than the hopper cover 226 is configured to a larger diameter as the upper side of the body is tapered when viewed from the side and from the rear.

Since the upper side of the seedling guide 234 is tapered, the diameter of the upper side is maximized, so that even if the position where the seedling is dropped is slightly shifted, the seedling can be picked up, and the planting hoppers 20a and 20b plant the seedling. Damage is prevented.

In addition, the gap between the seedling guide 234 and the hopper structure 231 does not occur by setting the diameter of the lower side of the seedling guide 234 to approximately the same diameter or slightly smaller diameter as the diameter of the upper end of the hopper structure 231. Therefore, make sure to take over seedlings.

Each seedling container 22 has a tubular body which opens up and down, and a bottom cover which opens and closes the opening part of the lower side of this cylindrical body, and is connected to each other in a loop shape.

The movement mechanism 23 is a state in which each seedling receptor 22 connected passes through the upper vicinity of the planting hoppers 20a and 20b on the left and right sides. The seedling receptor 22 is rotated around the left circumference.

The seedling dropping mechanism opens the bottom cover of the seedling container 22 at an upper position of the planting hoppers 20a and 20b corresponding to the seedling container 22.

A connection that forms a cylindrical outer periphery on the outer periphery of the seedling acceptor 22, forms a coupling portion (circular hole) to be rotatably connected from the outside to the cylindrical outer periphery, and connects two seedling acceptors 22. A plurality of sieves were formed. The plurality of seedling receptors 22 are connected in a state in which the coupling portion of the linking member is rotatably connected to the cylindrical outer peripheral portion of the seedling receptor 22, and the adjacent seedling receptor 22 is pivotably connected to the cylindrical outer peripheral portion by the pivot axis. ) Is connected to each other. That is, the seedling receptor 22 is connected with an endless chain by a linker.

Accordingly, even if the seedling receptor 22 is a linear portion 28 that moves linearly or an arcuate portion 29 that moves in an arc, the spacing of adjacent seedling receptors 22 does not change. The positional shift based on the planting hoppers 20a, 20b on the right and left of the seedling receptor 22 is hardly generated at the point where the seedlings are supplied to the planting hoppers 20a, 20b of the seedlings. Planting precision of is improved.

The moving mechanism 23 of the seedling supplying device 43 is wound around an arcuate notch of the outer circumference of the sprocket in which the seedling receptors 22, which are connected to each other like an endless chain, are installed on the left and right sides thereof, and the sprockets on the left and right sides are transferred to a transmission case ( 26) It is the structure which periphery rotates each seedling container 22 by drive-rotating with the power drawn out from inside.

The circumferential movement path that the seedling acceptor 22 is circumferentially bends in an arc shape on the front side or the rear side from the linear portion 28 by the sprocket and the linear portion 28 extending in the lateral direction when viewed from the plane. It is elliptical shape provided with the arc-shaped part 29, and is arrange | positioned inside the left and right width of the left and right rear wheels 44. As shown in FIG.

Moreover, the planting hoppers 20a and 20b on either side are arrange | positioned rather than the rear wheel axle 12 at the body back side.

The seedling supplying device 43 is configured such that the seedling acceptor 22 circulates with one wheel to supply seedlings in accordance with the left and right planting hoppers 20a and 20b.

Seedling hoppers 20a and 20b are supplied drop seedling from the seedling container 22 in the 1st drop supply position 31a and the 2nd drop supply position 31b, respectively.

And seedling container 22 which accommodates seedlings supplied drop-falling corresponding to the planting hoppers 20a and 20b of right and left is installed especially, and the seedling container 22 upper side of the planting hopper 20a, 20b which the seedling container 22 respond | corresponds to. The bottom cover is opened only when it comes to, and the bottom cover is not opened above the left and right planting hoppers 20a and 20b which do not correspond.

That is, only when the seedling container 22 corresponding to the planting hopper 20a has come to the first drop supply position 31a, the seedling container 22 corresponding to the planting hopper 20b is the second drop supply position 31b. Only when it comes to, each bottom cover is opened and a seedling is supplied to the corresponding planting hopper 20a, 20b.

In addition, the 1st fall supply position 31a and the 2nd fall supply position 31b are set as the structure which can move to a corresponding position, when adjusting the intertidal space of the planting hopper 20a, 20b on either side.

The operation cycle of the movement mechanism 23 is a structure synchronized with the operation cycle of the lifting mechanism 21, and the seedling receptors 22 corresponding to the planting hoppers 20a and 20b on the left and right are combined into one seedling receptor unit, By setting it as the structure which connected the said seedling acceptor unit in multiple numbers, the seedling acceptor 22 passes through the fall supply positions 31a and 31b on either side, and a seedling is supplied to the planting hoppers 20a and 20b on either side.

The implanter 10 is provided with the cover battling ring 37 which covers the seedlings planted by the left and right planting hoppers 20a and 20b, and the cover battling ring 37 is the planting hoppers 20a and 20b on the left and right sides. We extinguish the rear neighborhood of seedling planting location of

Moreover, the seat | seat 46 in which the worker who replenishes seedlings sits is provided in the seedling supply apparatus 43. As shown in FIG. Specifically, the seat 46 is disposed rearward at the left and right center positions of the gas serving as the front side of the seedling supply device 43. The worker sitting in the seat 46 seats in the rearward position toward the front side of the seedling feeding device 43, and the front side in the forward movement path of the seedling feeding device 43, in particular the seedling container 22, is moved forward. The seedling replenishment work is performed in the linear part 28 on the side.

Preliminary seedling frames 50 are installed on both the left and right sides of the seat 46 and in the upper position of the rear wheel axle 12 as viewed from the base side to accommodate the seedlings to be supplied to the seedling supply device 43.

The preliminary seedling frame 50 is provided with a support stay on an upper part of the seedling placing support projecting to the outside of the body of the traveling vehicle body 40, and a seedling placing rotating arm capable of switching a rotation state and a non-rotation state on the support stay. The seedling placement rotating arm is arranged with a seedling frame in the vertical direction at intervals, and a mounting table for placing a container, such as a seedling box or seedling tray, to accommodate supplemental seedlings on the same side of the seedling frame. One end part is attached and comprised.

Although only one said mounting base may be formed in an up-down direction, you may arrange | position a plurality with the space | interval of an up-down direction without interruption to take out a container.

The said preliminary seedling frame 50 is installed in the left and right both sides of the traveling vehicle body 40, and rotates a seedling mounting rotation arm on a support stay according to a situation.

For example, at the time of planting work of seedlings, it is possible to improve the work efficiency by making the seedlings of the seedlings pull out from the mounting table or returning the empty containers to each other by directing the longitudinal direction of the mounting table toward the gas front-rear direction.

In addition, in this position, since the mounting table is located on both the left and right sides of the traveling vehicle 40, it is easy for the operator to grasp the end of the rideable portion of the traveling vehicle 40, and the foot is pushed out of the traveling vehicle 40 to collapse the posture. Is prevented.

In addition, when a worker rides on the traveling vehicle 40, the seedling-mounted rotating arm is rotated about 90 degrees.

As a result, space portions that ride on and off both sides of the traveling vehicle body 40 are formed.

In addition, although an operator can also get on and off from the gas front side of the traveling vehicle body 40, when the seedling frame frame is located at the gas front side and the mounting base is located at the gas rear side by rotating the seedling mounting pivot arm, the worker Since the seedling frame can be used as a handrail, the riding body 40 can be smoothly unloaded.

In addition, when the seedlings are placed or taken out from the back side of the base when placing or taking out some kinds of containers on the placing table, there is no member that prevents the placing and taking out of the containers, thereby improving work efficiency.

Attachment of the seat 46 to the traveling vehicle body 40 is a U-shape when viewed from the front or from the rear, and the seat frame 49 which covers the gas cover 48 covering the upper part of the engine 41 or the like. It is attached to the upper part of the part which becomes the left and right direction of a gas. Lower ends of the left and right sides of the seat frame 49 are connected to the frame (not shown) of the slide unit for changing the left and right spacing of the left and right rear wheels 44 by moving the left and right traveling transmission cases 38 in the left and right directions.

As a result, since the seat frame 49 also serves as a constituent member of the slide portion, the strength of the slide portion can be improved.

20a: Planting Hopper 20b: Planting Hopper
21: lifting mechanism 21a: upper link arm
21b: lower link arm 26: transmission case
43: seedling supply device 209: connecting member
210: link holder 215: lifting crank
216: connecting plate 221: notch
222: adjustable support plate 224: long hole
225: hopper holder

Claims (5)

Seedling supply device 43 for supplying seedlings, planting hoppers 20a and 20b for planting seedlings supplied from the seedling supply device 43, and lifting mechanisms 21 for lifting and lowering the planting hoppers 20a and 20b. In the implanter provided with
The rear side of the elevating mechanism 21 is rotatably installed on the link holder 210, the notch 221 is formed on the rear side of the link holder 210, and the planting hopper ( A connecting member 209 for connecting 20a and 20b to the notch 221,
An hopper holder for installing an adjustment support plate 222 on the link holder 210, forming a long hole 224 in the left and right direction in the adjustment support plate 222, and supporting the planting hoppers 20a and 20b ( 225 to the adjustable support plate 222,
The connection member 209 releases the connection between the adjustment support plate 222 and the hopper holder 225 to move the planting hoppers 20a and 20b in left and right directions, and the adjustment support plate 222. Transplanter, characterized in that the hopper holder (225) is connected to the switch in a state to fix the left and right positions. The method of claim 1,
The adjustment support plate 222 is mounted to the notch 221,
Transplanter, characterized in that the adjustment space portion 223 is formed between the notch portion 221 and the adjustment support plate (222). The method according to claim 1 or 2,
Transplanter, characterized in that the left and right central portions of the adjustable support plate (222) is located in the rear portion of the lifting mechanism (21). The method according to claim 1 or 2,
The lifting mechanism 21 is composed of an upper link arm 21a and a lower link arm 21b,
And the position at which the upper link arm (21a) is attached to the link holder (210) is positioned at the front side of the body than the position at which the lower link arm (21b) is attached to the link holder (210). The method according to claim 1 or 2,
An elevating crank 215 is provided to elevate and drive the elevating mechanism 21, and an elevating crank 215 for rotating the elevating mechanism 21 up and down. In addition to the configuration to rotate by receiving a driving force from), and to the lifting mechanism 21 is provided with a connecting plate 216 for connecting the lifting crank 215,
The connecting position of the connecting plate 216 and the lifting crank 215 is configured to connect from the lower side of the body than the lifting mechanism 21, and the connecting plate 216 is located inside the body of the lifting mechanism 21. An implanter, characterized in that located in.

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