TWI654923B - Fertilization device - Google Patents

Abstract

The present invention provides a fertilizing device that improves operation efficiency when performing cleaning and maintenance operations. The fertilizing device (60) for supplying the fertilizer stored in the hopper (61) to the farmland includes: the above hopper (61); and a plurality of discharge outlets (65) that can be opened and closed for removing from the hopper (61) Discharge fertilizer; and a guide unit (66, 66A, 66B, 66C) for guiding the fertilizer discharged from the discharge outlet (65) to the outside of the fertilizing device (60); wherein the above-mentioned guide unit (66, 66A, 66B, 66C) is moved to another discharge outlet of the above-mentioned discharge outlet (65); wherein the guide unit (66B, 66C) collects fertilizer discharged from the plurality of discharge outlets (65) and guides the fertilizer to the fertilizer application device (60) outside; wherein a pair of holder units (666) for holding a container bag are provided such that the above-mentioned discharge outlet (65) is located between the pair of holder units (666), and the container bag is used for Keep the fertilizer discharged from the above-mentioned discharge outlet (65).

Description

Fertilization device   

This device relates to a fertilizing device.

For example, a work vehicle such as a seedling transplanter for planting seedlings is provided with a fertilizing device for supplying fertilizer to farmland. Some of the conventional fertilizing devices include a hopper for storing fertilizer and a plurality of discharge outlets provided at the bottom of the hopper, and the discharge outlets are used to discharge residual fertilizer from the hopper after operation (see, for example, Patent Document 1).

    [Prior Art Literature]         [Patent Literature]    

[Patent Document 1] Japanese Unexamined Patent Application Publication No. 2006-325418

However, with a conventional fertilizing device, fertilizers remaining in the hopper must be discharged one by one from a plurality of discharge outlets when performing cleaning, maintenance operations, and the like, so the operation efficiency is low.

This device was created in consideration of these problems, and an object thereof is to provide a fertilizing device that improves work efficiency when performing cleaning and maintenance work.

In order to solve the above-mentioned problems and achieve the object, in a first aspect, a fertilizing device (60) for supplying fertilizer stored in a hopper (61) to farmland includes: the above-mentioned hopper (61); a plurality of which can be opened And a closable discharge outlet (65) for discharging fertilizer from the hopper (61); and a guide unit (66, 66A, 66B, 66C) for discharging from one of the above-mentioned multiple discharge outlets (65) The fertilizer discharged from the discharge outlet is guided to the outside of the fertilizer application device (60); wherein, the guide unit (66, 66A, 66B, 66C) is switched to another discharge outlet of the plurality of discharge outlets (65).

In a second aspect, the guide unit (66B, 66C) collects fertilizer discharged from the plurality of discharge outlets (65), and guides the fertilizer to the outside of the fertilizer application device (60).

According to a third-party manufacturer, the fertilizing device further includes a pair of retainer units (666), the retainer units are used to hold a container bag, and the container bag is used to retain fertilizer discharged from the discharge outlet (65); The holder unit (666) is provided such that the above-mentioned discharge outlet (65) is located between the above-mentioned pair of holder units (666).

In the first aspect, since the guide unit is provided for the fertilizer discharge outlet, the fertilizer remaining in the hopper is discharged to the outside without being scattered. As a result, work efficiency when performing cleaning and maintenance work is improved. In addition, even when a low-cost machine without a blower device such as a blower is used, work efficiency during cleaning and maintenance work is improved.

In addition, since the guide is moved to the other discharge outlet of the discharge outlet (65), the work efficiency at the time of fertilizer discharge, that is, the work efficiency at the time of cleaning and maintenance work is improved.

In the second aspect, in addition to the beneficial effects of the first aspect, the fertilizer remaining in the hopper is effectively discharged because the guide collects fertilizer discharged from a plurality of discharge outlets. As a result, work efficiency when performing cleaning and maintenance work is improved.

In addition to the beneficial effects of the first aspect or the second aspect, the third-party supplier also has a bag for retaining fertilizers held by the holder unit, so that the work efficiency during cleaning and maintenance operations is improved, and because when discharged from the discharge outlet, When the fertilizer is manually removed, the bag also serves as a holder, so work efficiency during cleaning and maintenance operations is further improved.

60‧‧‧Fertilizer

61‧‧‧hopper

65‧‧‧ emission export

666‧‧‧Retainer unit

[Fig. 1] Fig. 1 illustrates a schematic left side view of a work vehicle.

[Fig. 2] Fig. 2 illustrates a schematic plan view of a work vehicle.

[Fig. 3] Fig. 3 illustrates an explanatory diagram (1) of a fertilizer guide unit.

[Fig. 4] Fig. 4 illustrates an explanatory diagram (2) of a fertilizer guide unit.

[Fig. 5] Fig. 5 is an explanatory diagram illustrating Modification Example 1 of the fertilizer guiding unit.

[FIG. 6] FIG. 6 is an explanatory diagram illustrating a modification example 2 of the fertilizer guiding unit.

[Fig. 7] Fig. 7 is an explanatory diagram illustrating Modification Example 3 of the fertilizer guiding unit.

Embodiments of the work vehicle of the present application will now be described in detail with reference to the drawings. Note that the following examples do not limit the device in any way.

First, the overall configuration of the embodiment of the work vehicle 1 will be described with reference to FIGS. 1 and 2. FIG. 1 illustrates a schematic left side view of the work vehicle 1. FIG. 2 illustrates a schematic plan view of the work vehicle 1. In the following description, a work vehicle 1 driving on a farm field and planting seedlings on the farm field will be described.

In the following description, the front-rear direction is the straight direction of the work vehicle 1 as the work vehicle, and the forward direction of the travel direction is defined as "front", and the rear thereof is defined as "rear". The traveling direction of the machine body (work vehicle 1) is the direction from the operator seat 11 to the steering wheel 73 when the vehicle is traveling straight (see FIG. 1).

The left-right direction is a direction perpendicular to the level of the front-back direction. In the following description, right and left are defined as facing "front". More specifically, “right” is the right side of the operator (driver) sitting on the operator seat 11 and facing forward, and “left” is his / her left side. The vertical direction is vertical. The front-back direction, the left-right direction, and the up-down direction are perpendicular to each other.

As illustrated in FIGS. 1 and 2, the work vehicle 1 is provided with a vehicle body 2 traveling on a farm field. The vehicle body 2 includes a pair of left and right front wheels 3 and a pair of left and right rear wheels 4. The vehicle body 2 is a four-wheel-drive vehicle, and the front wheels 3 and the rear wheels 4 of the four-wheel drive vehicle are driven, for example, while driving. In addition, a planting unit (hereinafter, referred to as a "seedling planting unit") 30 is provided at the rear portion of the vehicle body 2 and is raised / lowered by the seedling planting unit lifting mechanism 20.

The vehicle body 2 includes: a main frame 5; an engine 6 mounted on the main frame; and a power transmission device 7 for transmitting power generated by the engine 6 to drive wheels (in this embodiment, the front wheels 3 and the rear wheels 4) and seedling planting unit 30. That is, in the present embodiment, the vehicle body 2 is driven forward or backward using the power generated by the engine 6 as a power source and the seedling planting unit 30 is driven.

The engine 6 is located approximately at the center of the vehicle body 2 in the left-right direction, and it protrudes upward from a floor step 8 for the operator to put his legs when the operator is on the machine. For example, a heat engine such as a diesel engine or a gasoline engine is used as the engine 6. The floor step 8 is provided in front of the vehicle body 2 with respect to the front-rear direction. The floor step 8 of this embodiment is provided from the front end of the vehicle body 2 to the rear of the engine 6.

A floor step 8 is mounted on the main frame 5. When viewed in the up-and-down direction, at least a part of the floor step 8 surrounding the operator seat 11 described below is formed into a lattice so that the operator can scrape off mud and the like from the shoes. A rear step 9 also serving as a fender of the rear wheels 4 is provided at the rear of the floor step 8.

The rear step 9 has an inclined surface (rearward-upward inclined surface) inclined in a forward direction and a rearward direction of the machine body. The rear step 9 is provided on the left and right of the engine 6 in the left-right direction with the engine 6 therebetween. The engine 6 is covered by an engine cover 10. The operator seat 11 is provided above the engine cover 10.

The power transmission device 7 includes a belt-type power transmission device 12 to which the power of the engine 6 is transmitted; and a hydraulic continuously variable transmission 13 that changes the power transmitted from the engine 6 by using the belt-type power transmission device 12. The speed of the transmission; and the gearbox 14.

The hydraulic continuously variable transmission 13 is a hydrostatic stepless transmission called "HST (Hydraulic Static Transmission)". The hydraulic continuously variable transmission 13 changes an output (rotational speed) and an output direction (rotational direction) in accordance with an operation of the main transmission member 74 described below by an operator. More specifically, the hydraulic continuously variable transmission 13 changes the forward / backward travel of the vehicle body 2 by changing the rotational speed and the rotational direction and changes its travel speed.

The transmission 14 includes transmission means for transmitting power from the engine 6 to the units after the power of the hydraulic continuously variable transmission 13 has been changed. The transmission 14 includes an auxiliary transmission mechanism (not shown) for switching a running speed when running or performing work. When the operator operates an auxiliary shift lever (not shown), the traveling speed of the vehicle body 2 is switched to, for example, a traveling speed that is faster than the traveling speed at the time of planting or a speed for seedling planting at the time of planting work.

The front wheels 3 are connected to the front wheel final transmission case 15 so that they are steered in accordance with the operation of the steering wheel 73 described below. The rear wheel 4 is connected to a rear wheel gear box 16.

The seedling planting unit lifting mechanism 20 includes a lifting link 21. The liftable link 21 includes a parallel link mechanism 22 for connecting the rear portion of the vehicle body 2 and the seedling planting unit 30. The parallel link mechanism 22 is connected to the link frame base 23 and the seedling planting unit 30 so that the parallel link mechanism 22 can rotate in the up-down direction and raise / lower the seedling planting unit 30 relative to the vehicle body 2.

The seedling planting unit lifting mechanism 20 includes a hydraulic lifting cylinder 24. The hydraulic lift cylinder 24 expands / contracts in response to the switching of a hydraulic valve (not shown), thereby driving the liftable link 21 and raising / lowering the seedling planting unit 30. When the operator operates the planting operation member 75 described below, the hydraulic lift cylinder 24 switches the position of the seedling planting unit 30 between the non-operation position where it is lifted and the ground operation position (ground planting position) where it is lowered. The hydraulic lifting cylinder 24 also raises / lowers the seedling planting unit 30 based on the information on the farm conditions.

The seedling planting unit 30 is mounted on the vehicle main body 2 by an elevating link 21. The seedling planting unit 30 grows seedlings in a plurality of sections or rows. The seedling planting unit 30 of this embodiment is a four-row planting for planting seedlings in four sections. The seedling planting unit 30 includes a seedling tray 31, a floating member 32, and a seedling planting device 40.

The seedling tray 31 has a loading surface 31a of the number of rows of seedlings to be planted in the left-right direction. Each seedling loading surface 31a is a back-down inclined surface on which a plurality of seedling nurseries are loaded and stacked in the up-down direction. The float 32 slides on the farmland and smoothes the farmland when the vehicle body 2 is traveling. The floating member 32 includes a central floating member 32a provided in the center of the machine body in the left-right direction and side floating members 32b provided on both sides of the central floating member 32a.

The seedling planting device 40 is installed through the planting support frame 33 of the seedling tray 31 and is provided at the bottom of the seedling tray 31. The seedling planting device 40 picks up the seedlings from the seedling tray 31 and grows them on the farmland. The seedling planting device 40 includes a planting rod 41, a rotating case 42, and a planting transfer case 43.

The planting rod 41 picks up the seedlings from the seedling tray 31 and grows them on the farmland. The planting rod 41 is rotatably connected to the planting transfer case 43. The rotating housing 42 is rotatably mounted with the planting rod 41 and is rotatably connected with the planting transfer housing 43.

The rotating housing 42 includes a non-constant rate transmission mechanism (not shown) that changes the rotation speed of the planting rod 41 while rotating it. As a result, the rotation case 42 changes the rotation speed of the planting rod 41 while rotating the planting rod 41 according to the rotation angle of the planting rod 41 with respect to the rotating case 42. The planting transfer case 43 transmits the power transmitted from the engine 6 to the seedling planting unit 30 to the planting rod 41.

A leveling unit (hereinafter, referred to as a "leveling rotor") 50 is used to level the farmland. The leveling rotor 50 is provided at the bottom of the seedling planting device 40. The leveling rotor 50 is mounted on the planting support frame 33 and the like so as to be able to be raised and lowered by a motor (not shown) or the like. The leveling rotor 50 includes a center rotor 51 provided in the center of the machine body in the left-right direction, side rotors 52 provided behind and on both sides of the center rotor 51, and an electric mechanism 53.

The center rotor 51 and the side rotor 52 are provided in front of the center floating member 32a and the side floating member 32b. The center rotor 51 is rotated by the power transmitted from the engine 6 through the electric mechanism 53 and the transmission shaft 54 connected to the rear wheel gearbox 16. The side rotor 52 is rotated by the power transmitted from the engine 6 through the transmission shaft 54.

The fertilizing device 60 is provided for fertilizing farmland. The fertilizing device 60 is provided behind the operator seat 11. The fertilizing device 60 discharges the granular fertilizer stored in the hopper (storage hopper) 61 to the farmland in a set amount during the planting operation. The fertilizer application device 60 includes a fertilizer amount adjustment motor (not shown), which constitutes a variable fertilizer application mechanism (not shown) connected to a controller (not shown), and adjusts the amount of fertilizer to be discharged.

The fertilizing device 60 also includes: a fertilizer supply outlet 62 (see FIGS. 3 and 4) for supplying fertilizer from the storage hopper 6; and a discharge outlet 65 (see FIGS. 3 and 4) for, for example, cleaning During maintenance and maintenance operations, the fertilizer is discharged from the storage hopper 61 to the outside of the machine body. The fertilizing device 60 further includes a guide unit 66 for guiding the fertilizer discharged from the discharge outlet 65 to the outside of the machine body. Note that the guide unit 66 will be described below with reference to FIGS. 3 to 4.

The steering unit 70 is provided on the floor step 8 and is located in front of the operator seat 11. The steering unit 70 includes a cover 71, a display unit (dashboard) 72, a steering wheel 73, a main transmission member 74, a planting operation member 75, and a front cover 76.

The cover 71 is provided above the floor step 8, the center of the machine body, and in front of the operator seat 11. The cover 71 projects upward from the floor surface of the floor step 8. The cover 71 contains parts such as a rechargeable and dischargeable battery, a transfer mechanism such as a main transmission member 74, a planting operation member 75, and the like, and switches an operation mode of the planting operation member 75 to "lower to "Planting" motor and a potentiometer for detecting the angle of the main transmission member 74 or the planting operating member 75. In front of the cover 71, a space is formed for an operator to perform work such as battery replacement.

An instrument panel 72 as a display unit is provided on the top of the cover 71. The instrument panel 72 has a rear-downwardly inclined surface facing an operator sitting on the operator seat 11. The dashboard 72 includes sensors such as: a mark sensor for detecting when a pair of left and right line marks (not shown) are placed on a farm field; a planting lever position sensor (not shown), which For detecting the operating position of the planting operation member (planting operation lever) 75 (for example, when it is "planting"); a fertilizer installation sensor for detecting when the amount of fertilizer in the storage hopper 61 becomes less than a certain amount; And a fertilizer clogging sensor for detecting when the path leading the fertilizer from the storage hopper 61 to the farmland is blocked.

Note that these sensors can be replaced by a configuration that uses a monitor for warning. In this case, monitors are provided on the surface of the dashboard 72 so that the operator can see them.

The steering wheel 73 turns the vehicle body 2 in response to an operation by the operator. A steering wheel 73 is provided above the cover 71. The steering wheel 73 is provided at the center in the left-right direction of the cover 71. The steering wheel 73 rotates the front wheel 3 using an operation device or the like provided in the cover 71.

The main transmission member 74 is a main transmission lever (in addition, a “HST lever”), and operates to switch forward / backward travel of the vehicle body 2 and change its travel speed. The main transmission member 74 is provided above the cover 71. The main transmission member 74 of this embodiment is provided on the cover 71, for example, on the same side as the seedling loading frame (not shown) with respect to the left-right direction. The main transmission member 74 is provided on the left side of the cover 71. Note that the upper end of the main transmission member 74 is provided between the upper end of the cover 71 and the upper end of the steering wheel 73.

The planting operation member (hereinafter, “planting rod”) 75 is a planting clutch rod and operates to raise / lower the seedling planting unit 30 and start / stop planting seedlings by the seedling planting unit 30. The planting rod 75 is provided above the cover 71. The planting rod 75 of this embodiment is provided on the cover 71, for example, on the same side as the brake pedal 18 with respect to the left-right direction. Note that the upper end of the planting rod 75 and the upper end of the main transmission member 74 are at the same height.

The front cover 76 is a cover member provided in front of the cover 71 and covering a space formed in front of the cover 71. The front cover 76 is provided such that the width of the front cover 76 becomes narrower and the height of the front cover 76 becomes shorter from the rear to the front of the machine body. The front cover 76 is mounted on the cover 71 so that the front cover 76 can rotate around a support unit provided on the upper, rear, and outside of the machine body.

Now, the fertilizer guiding unit 66 of the fertilizing device 60 will be explained with reference to FIGS. 3 and 4. 3 and 4 illustrate diagrams for explaining the fertilizer guide unit 66. Fig. 3 illustrates a left side view of the fertilizing device 60, and Fig. 4 illustrates a rear view thereof. As illustrated in FIGS. 3 and 4, the fertilizing device 60 is provided behind the vehicle body 2 and behind the operator seat 11, and includes a fertilizer discharge outlet 65 provided at the bottom of the storage hopper 61.

A discharge outlet 65 may be provided for each of the storage hoppers 61, and the discharge outlets 65 are aligned in the left-right direction. More specifically, a plurality of (for example, four) discharge outlets 65 may be provided aligned in the left-right direction. The discharge outlet 65 is provided at the rear of the vehicle body 2 and is opened rearward. The discharge outlet 65 can be opened and closed.

A shutter lever 67 as a switching member is provided at the bottom of the storage hopper 61 for switching the path of the fertilizer so that the fertilizer falls from the storage hopper 61 toward the discharge outlet 65. The shutter lever 67 switches the path of the fertilizer from the storage hopper 61 from one path toward the fertilizer supply outlet 62 to another path toward the discharge outlet 65.

The discharge outlet 65 is provided with a guide unit (hereinafter, "fertilizer guide unit") 66 for guiding the fertilizer discharged from the discharge outlet 65 to the outside of the fertilizing device 60, that is, outside the machine main body. The fertilizer guide unit 66 is, for example, a cylindrical net 661, and an opening at one end of the cylindrical net 661 is installed to cover the discharge outlet 65, and an opening at the other end is opened downward. In order to discharge the fertilizer from the storage hopper 61, the shutter lever 67 is operated to switch the path of the fertilizer toward the discharge outlet 65 side, and then, the fertilizer is discharged via the fertilizer guide unit 66.

With this configuration, since the fertilizer guide unit 66 (net 661) is provided at the fertilizer discharge outlet, the fertilizer remaining in the storage hopper 61 is discharged to the outside without being scattered. As a result, work efficiency when performing cleaning and maintenance work is improved. In addition, even when a low-cost machine without a blower device such as a blower is used, work efficiency during cleaning and maintenance work is improved.

As illustrated in FIG. 3, the discharge outlet 65 is further provided with a cover 68 for sealing the discharge outlet 65 when it is not necessary to discharge fertilizer. The cover 68 may open and close the discharge outlet 65 using a hinge or the like. The lid 68 may be a bottomed cylinder, which may be used as a container unit to hold the fertilizer guide unit 66 as a net 661 or the like therein. In this way, loss of the fertilizer guide unit 66 (net 661) is prevented.

With this configuration, since the fertilizer guide unit 66 (the net 661) is stored at a given position, the net 661 is prevented from getting wet during the operation on the farmland, otherwise the fertilizer may be clogged when the fertilizer is discharged. As a result, work efficiency when performing cleaning and maintenance work is improved.

In the fertilizer application device 60, the fertilizer application roller 63 rotates at a given speed to supply fertilizer from the fertilizer supply outlet 62. The fertilizing roller 63 is rotated by the power of the engine 6 (see FIG. 1). As illustrated in FIG. 3, by using the belt 6 a to input the power of the engine 6 to the input pulley 64, the fertilizing roller 63 can be rotated.

Now, a modified example of the fertilizer guide unit 66 will be described with reference to FIGS. 5 to 7. 5 to 7 illustrate diagrams illustrating modification examples 1 to 3 of a guide unit ("fertilizer guide unit") 66 for fertilizer. First, a modification 1 will be described with reference to FIG. 5. FIG. 5 illustrates a perspective view of a fertilizer guide unit 66A (net 662, guide rail 663) according to Modification 1. FIG. As illustrated in FIG. 5, Modification 1 is provided with a cylindrical net 662 and a guide rail 663 as a fertilizer guide unit 66A.

The net 662 includes a cylindrical mounting unit 662a at its upper end, and the guide rail 663 is inserted into the cylindrical mounting unit 662a. With this configuration, the net 662 slides along the guide rail 663. The guide rail 663 extends in the left-right direction behind the vehicle body 2 (see FIGS. 1 and 2). More specifically, the net 662 slides along the guide rail 663 in the left-right direction (direction A in the drawing).

With this configuration, by sliding in the left-right direction, the fertilizer guide unit 66A (net 662) is easily mounted on the plurality of discharge ports 65 aligned in the left-right direction. In this way, the working efficiency at the time of fertilizer discharge, that is, the working efficiency at the time of cleaning and maintenance work is improved.

Now, a modification 2 will be described with reference to FIG. 6. FIG. 6 illustrates a rear view of the vehicle body 2 and the fertilizing device 60 as viewed from the rear of the machine body, the fertilizing device 60 having a fertilizer guide unit 66B (a collection funnel 664, a discharge hose 665) of a modification 2. As illustrated in FIG. 6, Modification 2 is provided with a collection funnel 664 and a discharge hose 665 as a fertilizer guide unit 66B.

The collection funnel 664 collects fertilizer discharged from a plurality of (for example, two) discharge outlets 65. The collection funnel 664 includes installation openings 664a installed on each discharge outlet 65, and discharges fertilizer from a single discharge outlet 664b. A discharge hose 665 is installed on the discharge outlet 664 b of the collection funnel 664. The discharge hose 665 discharges the fertilizer discharged from the plurality of discharge outlets 65 and collected by the collection funnel 664.

With this configuration, since the fertilizer guide unit 66B collects the fertilizer discharged from the plurality of discharge outlets 65, the fertilizer remaining in the storage hopper 61 can be efficiently discharged, thereby improving the work efficiency when discharging the fertilizer. As a result, work efficiency when performing cleaning and maintenance work is improved.

Note that the shutter lever 67 is a switch member for switching the path of the fertilizer from the storage hopper 61, and all of the plurality of discharge outlets 65 can be opened / closed immediately. Alternatively, a shutter lever 67 may be provided for each discharge outlet 65, and the shutter lever 67 individually switches the discharge outlet 65. In this way, operability is improved, so fertilizer discharge performance is improved.

Now, a modification 3 will be explained with reference to FIG. 7. FIG. 7 illustrates a perspective view of a fertilizer guide unit 66C (collection funnel 664, holder unit 666) of Modification 3. As illustrated in FIG. 7, Modification 3 is provided with a collection funnel 664 and a holder unit 666 as a fertilizer guide unit 66C. Note that the collection funnel 664 is the same as the collection funnel of the fertilizer guide unit 66B of Modification 2, and therefore, the same reference numerals are provided and descriptions thereof are not repeated.

The holder unit 666 is, for example, an L-shaped hook that is provided on the right and left sides of the one or more discharge outlets 65 so that the one or more discharge outlets 65 described above are arranged between the L-shaped hooks. In the figure, L-shaped hooks are provided on the right and left sides of the two discharge outlets 65 so that the two discharge outlets 65 are arranged between the L-shaped hooks. The holder unit 666 is mounted on, for example, a rear frame or the like of the vehicle body 2 (see FIGS. 1 and 2).

The holder unit 666 holds a bag (hereinafter, a "container bag") 69 for retaining the fertilizer discharged from the discharge outlet 65, and the container is secured by means of a fastener 69a (such as an eyelet, etc.) inserted into the holder unit 666 With this configuration, the opening of the bag is kept open to collect fertilizer. With this configuration, since the container bag 69 for retaining the fertilizer is held by the holder unit 666, the fertilizer discharge operation is easily performed, and the work efficiency when performing cleaning and maintenance work is improved. In addition, the container bag 69 is used as a reservoir when the fertilizer that does not fall due to its own weight is manually removed from the discharge outlet 65, and therefore, the work efficiency when performing cleaning and maintenance work is further improved.

Note that the fertilizer guide unit 66 and Modifications 1 to 3 (fertilizer guide units 66A to 66C) may also be combined. In this case, for example, the collection funnel 664 of the modifications 2 and 3 may slide in the left-right direction along the guide rail 663, or the slidable net 662 of the modification 1 may store a desired discharge outlet among the plurality of discharge outlets 65 Cap (container unit) 68.

In addition, as shown in FIG. 1, when the storage hopper 61 is removed from the fertilizing device 60, the fertilization roller 63 remaining in the fertilization tank provided in the path from the storage hopper 61 to the fertilizer supply outlet 62 and the discharge outlet 65 is discharged In the case of fertilizers, a bottomed cylindrical cover with a given capacity can be installed on the discharge outlet 65 so that the fertilizer dropped through the open discharge outlet 65 can be temporarily retained in the cover, and then the cover can be removed to remove the fertilizer Drain into a container bag 69 (see FIG. 7) and the like. Thus, even if a low-cost machine without an air blowing device such as a blower is used, since the fertilizer remaining on the fertilizing roller 63 is easily discharged, the working efficiency during cleaning and maintenance work is improved.

Claims (3)

A fertilizing device (60) for supplying fertilizer stored in a hopper (61) to farmland, characterized in that the fertilizing device includes: the hopper (61); and a plurality of discharge outlets (65) that can be opened and closed. ), The plurality of discharge outlets are used to discharge fertilizer from the hopper (61); and a guide unit (66, 66A, 66B, 66C) is used to discharge from one of the plurality of discharge outlets (65) The fertilizer discharged from the outlet is guided to the outside of the fertilizer application device (60); wherein the guide unit (66, 66A, 66B, 66C) is switched to another discharge outlet of the plurality of discharge outlets (65). The fertilizing device according to item 1 of the scope of patent application, wherein the guide unit (66B, 66C) collects fertilizer discharged from the plurality of discharge outlets (65) and guides the fertilizer to the outside of the fertilizing device (60) . The fertilizing device according to item 1 or 2 of the scope of the patent application, wherein the fertilizing device further includes a pair of holder units (666), the pair of holder units are used to hold container bags, and the container bags are used to retain the The fertilizer discharged by the discharge outlet (65); wherein the pair of retainer units (666) are arranged such that the discharge outlet (65) is located between the pair of retainer units (666).