JPH10304720A - Rice transplanter with fertilizer application device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a fertilizer loading table capable of reducing the labor for replenishing fertilizer in a space between a driver's seat and a seedling loading table in a mid fertilizer rice transplanter. SOLUTION: A fertilizer applicator A including a fertilizer hopper 18 and a feeding mechanism is provided between a planting section behind a traveling machine body and a driver seat 67, and the fertilizer discharged from the feeding mechanism is provided in the planting section. In a rice transplanter equipped with a fertilizer applicator provided with a fertilizer hose leading to a cultivator, a fertilizer mounting table 43 on which a fertilizer bag 42 for replenishment can be placed is provided.
A fertilizer replenishing device B is provided that can move laterally via the rail 60 at a position above the fertilizer hopper 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter having a fertilizer application device in which a fertilizer application device is disposed between a seedling mounting table and a driver's seat. More specifically, the present invention relates to a fertilizer loading table for facilitating replenishment of fertilizer. Related to newly established technology.

[0002]

2. Description of the Related Art A rice transplanter with a fertilizer, that is, a so-called mid-fertilizer rice transplanter in which a fertilizer is disposed at a front and rear intermediate portion as a rice transplanter is disclosed in Japanese Patent Application No. 8-294 filed earlier.
No. 657 has been proposed. This mid-fertilizer structure can improve the weight balance in the front-rear direction of the aircraft compared to the structure in which the fertilizer is placed behind the seedling mounting table, and reduces the weight deployed at the front of the traveling aircraft. There is an advantage that the weight can be reduced.

[0003]

In order to replenish the fertilizer with the fertilizer, the lid on the upper part of the fertilizer hopper is opened and the fertilizer is fed.
Japanese Patent No. 41,642 has a fertilizer table that can move left and right. In other words, a rail is provided behind the fertilizer hopper so that the fertilizer loading table can be moved left and right by rolling, and by moving the fertilizer bag left and right while the fertilizer bag is placed on the fertilizer loading table, less labor is required. The hopper is configured to supply fertilizer.

[0004] Therefore, in the case of a mid-fertilizer rice transplanter, when a fertilizer loading table capable of reducing the labor for replenishing fertilizer is provided, it is important that the new fertilizer loading table be successfully installed in the space between the driver's seat and the seedling loading table. It is an object of the invention.

[0005]

[Means for Solving the Problems] [Configuration] In the first invention, a fertilizer applicator comprising a fertilizer hopper and a fertilizer feeding mechanism is provided between a planting section behind a traveling machine body and a driver seat, and the feeding mechanism is provided. In a rice transplanter equipped with a fertilizer that has a flow-down path that guides the fertilizer discharged from the planting unit provided to the planting unit, a fertilizer mounting table capable of placing a fertilizer bag for replenishment is provided. The fertilizer placing table is configured to be able to move laterally at a position above the fertilizer hopper.

According to a second aspect of the present invention, in the first aspect, the fertilizer loading table is supported so as to be able to move laterally with respect to a rail provided on the body, and the lateral movement range is set to be smaller than the lateral width of the fertilizer application device. It is characterized by having.

A third invention is characterized in that, in the second invention, the arrangement height of the rail is lower than the maximum height of the fertilizer hopper.

According to a fourth aspect, in the first to third aspects, a lock mechanism for fixing the fertilizer mounting table is provided.

According to the structure of the first aspect, the fertilizer loading table on which the fertilizer bag for replenishment can be placed is moved laterally above the fertilizer hopper. It is possible to move the fertilizer bag to the left and right without contacting the backrest of the driver's seat or the upper part of the seedling mounting table even in the relatively narrow front and rear. In the publication, there is no member or device behind the fertilizer hopper, and it is possible to arrange the fertilizer bag and the fertilizer hopper in front and rear in series. It is impossible to follow. Therefore, by adopting the above-described configuration, that is, the idea of placing the fertilizer bag on the fertilizer hopper, the lateral movement structure of the fertilizer loading table is enabled.

According to the second aspect of the present invention, since the lateral movement range is set to be smaller than the lateral width of the fertilizer application device, the lateral width of the rail that supports the fertilizer loading table so that it can move laterally is narrower than the fertilizer hopper. It is possible to suppress an increase in the size of the lateral movement mechanism. Further, thereby, when performing maintenance of the planting device while the aircraft is mounted on the body, the rail is less likely to be an obstacle compared to a case where the rail has a width equal to that of the fertilizer hopper. In other words, since the fertilizer bag moves laterally above the fertilizer hopper, fertilizer is supplied in a state where the fertilizer bag is shifted laterally to the target fertilizer hopper (see FIG. 6). To supply fertilizer to the outermost fertilizer hopper, a fertilizer bag may be positioned inside the hopper (inward in the left-right direction of the machine body), which makes it possible to adopt the configuration of the present invention. ing.

According to the third aspect of the present invention, since the arrangement height of the rail is lower than the maximum height of the fertilizer hopper,
When the rail is provided on the front side of the fertilizer hopper, the rail is hardly obstructed when replenishing fertilizer, and hardly obstructed when performing maintenance of the planting device while the aircraft is mounted.
In addition, when the rail is provided behind the fertilizer hopper, it is convenient in that the low-height rail is unlikely to hinder the maintenance of the planting device while the aircraft is mounted.

According to the fourth aspect of the present invention, since the lock mechanism for fixing the fertilizer loading table is provided, the fertilizer loading table moves sideways during traveling, and it hits at the moving end or generates rolling noise. It is possible to prevent damage to the fertilizer loading table and rails and contribute to stable running.

[Effect] In the rice transplanter with a fertilizer device according to any one of claims 1 to 4, a mid fertilizer application structure in which a fertilizer device is provided between the driver's seat and the seedling mounting table, that is, a marginal space in the front-rear direction. As a result, a fertilizer loading table suitable for a structure with a small amount of fertilizer and its lateral movement configuration were obtained, and labor for fertilizer replenishment work could be reduced.

The rice transplanter with the fertilizer application device according to the second aspect has the advantage that the lateral width of the lateral movement structure of the fertilizer loading table can be made compact and light, and the maintainability of the planting device can be improved. .

In the rice transplanter with the fertilizer application device according to the third aspect, there is an advantage that the rail is hardly obstructed at the time of replenishment of fertilizer and maintenance of the planting device, and the workability thereof is improved.

In the rice transplanter with the fertilizer applicator according to the fourth aspect, the fertilizer loading table can be fixed laterally while the fertilizer loading table can be securely fixed at times other than fertilizer replenishment. There is an advantage that it can run stably without damaging the fertilizer loading table and rails.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a seedling planting device 4 as a planting unit is connected to the rear of a riding type traveling body having a pair of left and right front wheels 1 and a rear wheel 2 via a link mechanism 3 so as to be able to move up and down. The fertilizer applicator A is provided at a position in front of the seedling transplanter 4 and immediately after the driver's seat 67 to constitute a rice transplanter with a fertilizer applicator.

In this rice transplanter, the power of the engine E mounted in the hood 5 of the traveling machine is transmitted to the front wheels 1 via the front transmission case 6 and also transmitted via the traveling system transmission shaft 7 and the rear transmission case 8. It is a four-wheel drive type that is transmitted to the rear wheels 2, and is configured to steer the left and right front wheels 1 by operating the steering wheel 10 of the boarding operation unit 9. A PTO shaft 11, which is a planting system transmission shaft, extends rearward from the front transmission case 6, and power is transmitted from the PTO shaft 11 to the seedling planting device 4, so that the vehicle travels in the field. It is configured so that the seedling planting operation can be performed while performing.

The seedling planting device 4 includes a hydraulic cylinder 1 for lifting and lowering.
With the expansion and contraction operation of 2, the raising and lowering operation can be freely performed between a working position for seedling planting whose lower end is in contact with the field scene and an ascending position which moves largely upward. And, the seedling rest 14, which reciprocally moves laterally at a set pitch along the vehicle body lateral width direction with respect to the planting portion frame 13 connected and supported by the link mechanism 3,
A plurality (six) of planting mechanisms 15 for picking up seedlings one by one from the lower end of the seedlings to be planted placed on the seedling mounting stand 14 and planting the seedlings in the field, a grounding float for leveling the mud surface while grounding in the field It is configured in a six-row planting format with 58 or the like.

A vertical feeder 16 for feeding a set amount of seedlings placed at the end of the horizontal movement stroke toward the planting mechanism 15 is provided at a seedling placing portion of the seedling placing table 14 for each planting strip. Have been. The vertical feeding device 16 is configured such that a belt with a projection is wound over a pair of upper and lower pulleys, and a lower pulley is rotated by a predetermined amount by a contact action at a stroke end.

Although not described in detail, the longitudinal feed device 16 is provided with a longitudinal feed clutch which can be switched between a state in which the longitudinal feed operation is performed and a state in which the operation is stopped every two lines. In the ground float 58, at each location adjacent to the planting site of the seedling in each planting line, a groove for entering the mud layer below the ground surface and supplying fertilizer to the mud surface. Is formed.

Next, the fertilizer applicator A will be described. FIG.
As shown in the figure, the fertilizer applicator A comprises a three-piece integrated fertilizer hopper 18 for storing powdered and granular fertilizer, a feeding mechanism 19 for feeding a predetermined amount of fertilizer therefrom, and a seedling planting device for feeding the fed fertilizer. And a fertilizing hose (an example of a flow-down route) 21 to be sent to the groove generator 17 of No. 4. A plurality of (six) feeding mechanisms 19 are provided below the funnel section for each strip of the fertilizer hopper 18 and correspond to each planting strip.
The fertilizer fed from each feeding mechanism 19 is supplied to a blower 20.
Of each groover 17 through the fertilizing hose 21
It is configured to be forcibly transported separately for each.

As shown in FIG. 3, the feeding mechanism 19 is fitted inside the casing 22 so as to be rotatable integrally with the feeding turning shaft 23 in a state facing the bottom opening of the fertilizer hopper 18. Feeding rotary body 25 having a plurality of recesses 24 for entering fertilizer at a predetermined pitch in the outer peripheral portion
Are provided, and the concave portions 24 are
It is configured such that the fertilizer stored therein flows down to the funnel-shaped guide portion 26 on the lower side. In addition, a brush 27 for scraping is provided so as to store a predetermined amount in the recess 24.

The brush 27 is swingable around the horizontal axis P between an operation position located on the outer peripheral surface of the feeding rotary member 25 and a fertilizer discharge position separated from the feeding rotary member 25, and the brush 22 is provided on the casing 22. Swing together with the switching operation of the switching operation tool 31 provided on the lateral side outside of the vehicle, so that the position is held at each position.

Each of the casings 22 in each of the plurality of feeding mechanisms 19 is supported by a vertical frame 29 fixedly provided from the body frame F, and is fixedly supported by a horizontal frame 30 extended in the lateral direction of the vehicle body. The feeding rotation shaft 23 is provided so as to be divided into three so that each feeding rotating body 25 rotates integrally with each of the pair of feeding mechanisms 19, and two of the six feeding mechanisms 19 are provided. Mechanism 1
It is configured such that it can be driven and stopped individually for each 9.

The driving configuration of the feeding mechanism 19 will be described. A drive shaft 32 is disposed at a position on the rear side of the feeding mechanism 19 so as to extend over substantially the entire width of the fertilizer applicator A along the vehicle body width direction and to be rotatably supported at both ends. A one-way clutch 33 is provided at an intermediate portion of the drive shaft 32 in the width direction. The operation arm 34 of the one-way clutch 33 and the PTO shaft 1 via the bevel gear mechanism 28
A rotating arm 36 attached to a lateral transmission shaft 35 driven to rotate by 1 is pivotally connected by an interlocking rod 37, and the swing movement of the operation arm 34 accompanying the rotation of the rotating arm 36 is controlled by a one-way clutch 33. The drive shaft 32 is intermittently rotated only in a predetermined direction.

Between the drive shaft 32 and each of the three feeding rotation shafts 23, there are provided fertilizing clutches 38 capable of turning on and off power separately. As shown in FIGS. 4 and 5, the fertilizer application clutch 38 includes a gear 39 externally rotatably fitted to the drive shaft 32 and a gear 40 externally fitted rotatably to each of the feed rotation shafts 23. And a clutch piece 4 which is rotatable integrally with the drive shaft 32 and slidable in the direction of the axis of rotation on the side of the gear 39 on the drive shaft 32 side.
1 is externally fitted in a state of being biased by a spring toward the direction approaching the gear 39, and a meshing portion k is formed at a position where the clutch piece 41 and the gear 39 are opposed to each other. Are adapted to rotate integrally.

Each clutch piece 41 is connected to an operation wire 41a.
Is configured to be able to be cut individually by the pulling operation. In other words, an operating body (not shown) that engages with the clutch piece 41 is supported by the support portion (not shown) fixedly extended from the horizontal frame 30 so as to be swingable about the vertical axis. The engagement portion k is engaged by the urging force to engage the clutch, and the pulling operation of the operation wire 41a separates the engagement portion k against the spring force to switch to the clutch disengaged state.

As shown in FIG. 2, a cylindrical blower pipe 45 is disposed in front of the casing 22 with its longitudinal direction extending along the width of the vehicle body. The blower 20 is provided so as to be supported by the horizontal frame 30, and the wind of the blower 20 provided at one lateral end of the blower pipe 45 is supplied into the blower pipe 45.

As shown in FIG. 3, a fertilizer supply section 51 communicating with the lower end outlet 50 of the funnel-shaped guide section 26 and opening toward the rear of the machine body is formed, and the fertilizer hose 21 is inserted and mounted therein. On the front side of the fertilizer supply unit 51, an air supply unit 52 that connects the lower end outlet 50 and the inside of the blower pipe 45 is formed, and the air supply unit 52 and the fertilizer supply unit 51 are connected to the front and rear of the vehicle body. It is formed so as to be continuous in a substantially straight line along the direction. A discharge section 54 is formed below the lower end outlet 50 to form a discharge path 53 that connects the lower end outlet 50 to the inside of the discharge pipe 48.
Incidentally, the other end of the blower pipe 45 is normally closed by a lid 45a which can be freely opened and closed.

A path switching plate 55, which is capable of switching between a feeding operation state in which the powdery and granular fertilizer fed from the feeding mechanism 19 is guided to the fertilizing hose 21 and a discharging state in which the fertilizer is guided toward the discharging path 53, is provided by a feeding mechanism. It is provided corresponding to each of the nineteen. The path switching plate 55 is pivotably supported around the left and right axis X2, and can be switched between a supply position and a discharge position by operating a switching lever 56 provided outside the guide portion 26. The supply position is a position where the discharge route 53 is closed and the fertilizer supply unit 51, that is, the fertilizer hose 21 and the blower pipe 45 communicate with the lower end outlet 50,
The discharge position is a position where the internal passage of the fertilizer supply unit 51 is closed and the discharge path 53 and the blower pipe 45 communicate with the lower end outlet 50.

Each of the discharge sections 54 is provided with a discharge pipe 48 for guiding and discharging the discharged fertilizer downward and forward of the machine, and is connected to each of the discharge pipes 48.
As shown in the figure, three pipes each on the left and right sides are one large-diameter confluence pipe 4 at the lower side in the fertilizer guide direction.
The fertilizer is joined to 8a and distributed to both right and left sides, so that the fertilizer is discharged from a common fertilizer discharge port 49.

When the fertilizer is applied during the seedling planting operation, the path switching plate 55 is switched to the supply position and the blower 20 is turned on.
Of the fertilizer fed by a predetermined amount from the feeding mechanism 19 is sent out from the lower end outlet 50 through the fertilizer supply unit 51 and the fertilizer hose 21 toward the groove generator 17 by wind power and supplied to the field. You do it.

At the end of the planting operation, the fertilizer hopper 18
When the fertilizer remaining in the inside is recovered, the switching lever 56 is switched to the discharging position, and the brush 27 of the feeding mechanism 19 is switched to the fertilizer discharging position separated from the feeding rotating body 25 to discharge the fertilizer. By carrying out the air blowing by 20, the discharged fertilizer passes through the discharge path 53 and the discharge pipe 48 from the lower end outlet 50, and is discharged from the fertilizer discharge port 49 to the outside. Therefore, if a collection container or the like is positioned corresponding to the fertilizer discharge port 49, fertilizer can be collected.

Next, a fertilizer replenishing apparatus B for reducing the labor for replenishing fertilizer will be described.

As shown in FIGS. 6 to 8, a fertilizer loading table 43 on which a replenishing fertilizer bag 42 can be placed is provided, and the fertilizer loading table 43 can be moved laterally above the fertilizer hopper 18. It is composed. That is, a pair of left and right vertical pipes 44 and 47 are bolted to the fuselage frame F and erected, and the horizontal pipes 57 and 59 are vertically connected and connected over the upper portions of the two vertical pipes 44 and 47. The moving rail 60 is configured. The transfer rail 60 and the fertilizer placing table 43 constitute a fertilizer supply device B.

The fertilizer loading table 43 contacts a pair of left and right rolling rollers 61, 61, which roll and move by being fitted over the upper horizontal pipe 57 from above, and roll by contacting the rear side of the lower horizontal pipe 59. A pair of left and right side rollers 62, 62 that move and move
The mounting portion a for mounting the fertilizer bag 42 in the horizontal direction is set just above the fertilizer hopper 18 in a side view. Top and bottom horizontal pipe 5
Numerals 7 and 59 are reinforced by connecting two places in the middle thereof with an intermediate connecting pipe 63. In order to prevent the fertilizer loading table 43 from ascending and oscillating about the upper horizontal pipe 57 as a fulcrum, a lower horizontal pipe is used. A substantially J that surrounds 59 from below
A character-shaped regulating rod 64 is attached to the lower part of the fertilizer placing table 43.

The left and right vertical pipes 44, 47 are both disposed inside the left and right ends of the fertilizer hoppers 18, 18 in the lateral direction of the machine body. In view of the state of fertilizer supply from the lateral fertilizer bag 42, as shown in FIG. 6, when fertilizer is supplied to one end of the hopper 18, the fertilizer bag 42 is laid inside the hopper end. This is because when the fertilizer is supplied to the end of the other hopper 18, the fertilizer bag 42, which has become lighter due to the reduced amount of fertilizer, may be turned in the opposite horizontal direction, and the fertilizer bag 42 may be laid down at the inside position in the lateral direction of the machine. Therefore, it is possible to make the width of the rail 60 for movement smaller than the width of the fertilizer applicator A and make it compact.

The mounting portion a of the fertilizer mounting table 43 is located right above the hopper lid 18b in the closed state. When supplying the fertilizer, first, the fertilizer mounting table 43 is placed on the adjacent fertilizer hopper 18. Is moved laterally, and the hopper lid 18b is swung upward to open,
Then, the fertilizer placing table 43 is moved sideways so as to return, and is positioned on the fertilizer hopper 18 with the hopper lid 18b opened.

As shown in FIGS. 8 and 9, a lock mechanism C for fixing the fertilizer table 43 at the right end position of the moving rail 60 is provided. That is, the right rolling roller 6
Hook-shaped hook 6 swingable around one support shaft 61a
5 is pivotally supported on the fertilizer table 43, and a bar 66 engageable with the hook tip is fixed to the upper part of the right vertical pipe 47 to form a lock mechanism C. When the fertilizer is not supplied, the hook 65 is swung downward from above to engage with the bar 66, so that the fertilizer placing table 43 can be fixed at the right end position of the moving rail 60 so as not to move.

By fixing the fertilizer loading table 43 at the right end position of the moving rail 60, the weight of the blower 20 provided at the left end as the fertilizer application device A is offset, so that the left-right balance can be improved as much as possible. is there. Further, since the mounting portion a of the fertilizer mounting table 43 is made of a pipe material (or a round bar), when the fertilizer bag 42 is placed, the fertilizer bag 42 bites into the pipe material due to its weight, and the position shifts. It is advantageous in that it does not fall or slip.

[Alternative Embodiment] As shown in FIG. 10, a moving rail 60 in which the height of the upper horizontal pipe 57 is lower than the maximum height of the fertilizer hopper 18 with the hopper lid 18b closed is set. The provided fertilizer supply device B may be used. In this case, the position of the rolling rollers 61 of the fertilizer placing table 43 is lowered to cope with the situation.

A structure in which the moving rail 60 is disposed immediately after the fertilizer applicator A may be employed so that the rail 60 does not interfere with fertilizer supply. Further, the fertilizer placing table 43 may be fixed to the moving rail 60 with bolts, or may be detached from the moving rail 60 and housed in the lateral position of the driver's seat 67.

[Brief description of the drawings]

FIG. 1 is an overall side view of a rice transplanter.

FIG. 2 is a rear view of the fertilizer application device.

FIG. 3 is a longitudinal side view of the fertilizer supply unit.

FIG. 4 is a side view showing a fertilizing clutch.

FIG. 5 is a plan view showing a fertilizing clutch.

FIG. 6 is a front view showing the structure of the fertilizer supply device.

FIG. 7 is a side view of a main part showing the fertilizer supply device.

FIG. 8 is a perspective view showing the structure of a fertilizer loading table.

FIG. 9 is a front view showing the structure of the lock mechanism.

FIG. 10 is a side view of a main part showing another structure of the fertilizer supply device.

[Explanation of symbols]

 Reference Signs List 4 Planting part 17 Growing device 18 Fertilizer hopper 19 Feeding mechanism 21 Downflow path 43 Fertilizer mounting table 60 Rail 67 Operating seat A Fertilizer device C Lock mechanism

Continued on the front page (72) Yoshiyoshi Nakagawa 64, Ishizukita-cho, Sakai City, Osaka Prefecture Inside Kubota Sakai Works, Ltd. (72) Inventor Tetsuya Matsumura 64, Ishizukitamachi, Sakai City, Osaka Prefecture, Kubota Sakai Works

Claims (4)

[Claims] 1. A fertilizer applicator comprising a fertilizer hopper and a fertilizer feeding mechanism is disposed between a planting section behind a traveling machine body and a driver's seat, and the fertilizer discharged from the feeding mechanism is provided in the planting section. A rice transplanter equipped with a fertilizer device having a flow-down path leading to a cut-out device, wherein a fertilizer mounting table on which a fertilizer bag for replenishment can be placed is provided, and the fertilizer mounting table is placed above the fertilizer hopper. Rice transplanter with fertilizer device that is configured to be able to move laterally in position. 2. The fertilizer loading table is supported so as to be able to move laterally with respect to a rail provided on the machine body, and the lateral movement range is set to be smaller than the lateral width of the fertilizer application device.
A rice transplanter with a fertilizer application device according to item 1. 3. The rice transplanter with a fertilizer according to claim 2, wherein the arrangement height of the rail is lower than the maximum height of the fertilizer hopper. 4. The rice transplanter with a fertilizer device according to claim 1, further comprising a lock mechanism for fixing the fertilizer placing table.