JP4370048B2 - Side strip fertilizer machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a technique for discharging residual fertilizer of a side fertilizer applicator in a fertilizer work vehicle such as a rice transplanter.
[0002]
[Prior art]
In the conventional side fertilizer applicator, a unit (hereinafter referred to as “fertilizer application unit”) comprising a fertilizer hopper for putting fertilizer and a fertilizer feed case arranged as a fertilizer feed section for supplying fertilizer to the lower portion of the fertilizer hopper is provided. A plurality of the fertilizer application units were arranged in the left-right direction of the machine body, and the discharge and removal of the residual fertilizer after the fertilization work were performed from the residual fertilizer discharge port provided in the fertilizer feed case of each fertilizer application unit.
[0003]
However, in such residual fertilizer discharge work, the operator operates the open / close operation member to open the residual fertilizer discharge port while holding the discharge container below the residual fertilizer discharge port, and the residual fertilizer is discharged into the discharge container. Therefore, the same work had to be repeated as many times as the number of fertilizer units provided, and the burden on the worker was great and the work efficiency was low.
Therefore, a discharge hose is connected to the residual fertilizer discharge port, the connected multiple discharge hoses are extended to the outside of the machine body, and the residual fertilizer is rolled or slid in the discharge hose and moved to the tip of the hose. Therefore, a technology for discharging residual fertilizer is considered. For example, in the six-row system, as shown in FIG. 13, the six discharge hoses 146a, 146b,... The union of each was extended to the left and right outer sides of the aircraft, and the residual fertilizer was rolled or slid and discharged to the left and right of the aircraft.
[0004]
[Problems to be solved by the invention]
However, it is difficult to ensure a sufficient inclination angle of the discharge hose. In particular, the inclination angles of the discharge hoses 146c and 146d near the central strip are very small compared to the outer discharge hoses 146a and 146f, and the residual fertilizer is discharged. There was a problem that the hose could not be smoothly rolled or slid, stayed in the middle of movement and clogged, and the discharge efficiency was poor.
[Means for Solving the Problems]
The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. That is, in claim 1, in a side fertilizer machine provided with a fertilizer unit having a fertilizer hopper and a fertilizer feed case, and a plurality of the fertilizer units arranged side by side, residual fertilizer outlets provided in the respective fertilizer feed cases remain. A fertilizer discharge member is connected in communication, and the residual fertilizer discharge member is connected to a residual fertilizer discharge mechanism that can impart swinging.
[0006]
In Claim 2, the fertilizer unit which has a fertilizer hopper and a fertilizer supply case was provided, and in the side strip fertilizer machine which arranged the fertilizer unit in parallel, residual fertilizer discharge | emission is carried out to the residual fertilizer outlet provided in each said fertilizer supply case The members are connected in communication, and the residual fertilizer discharge member is distributed to the left and right sides of the machine body and connected by a connecting member. The connecting member is connected to a residual fertilizer discharge mechanism by a crank mechanism capable of swinging.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will now be described with reference to the following drawings, taking a passenger rice transplanter as an example. 1 is an overall side view of a rice transplanter, FIG. 2 is a plan view, FIG. 3 is a side view of a planting unit, FIG. 4 is a rear view of a side fertilizer, FIG. 5 is a side view of a fertilizer unit, and FIG. FIG. 7 is a front view of a side fertilizer showing a residual fertilizer discharge mechanism, FIG. 8 is also a left side partial sectional view, and FIG. 9 is a front partial sectional view of a swinging device. FIG. 10 is an explanatory view of pitching, FIG. 11 is an explanatory view of rolling, FIG. 12 is a front view of a side fertilizer showing a manual type residual fertilizer discharge mechanism, and FIG. 13 is a conventional fertilizer showing a state of residual fertilizer discharge. It is a front view of a unit.
[0008]
First, a riding rice transplanter equipped with a side fertilizer applicator will be described with reference to FIGS. 1 and 2. However, in this embodiment, the riding rice transplanter is a six-row planting type, but regardless of this, for example, a four-row planting type or an eight-row planting type may be used.
[0009]
A traveling vehicle 1 which is a traveling body on which an operator is boarded has an engine 2 mounted on the front upper portion of a vehicle body frame 3 and supports a front wheel 6 for paddy field traveling in front of a transmission case 4 via a front axle case 5. A rear axle case 7 is connected to the rear part of the transmission case 4, and a rear wheel 8 for paddy field traveling is supported on the rear axle case 7. Then, the preliminary seedling stage 10 is attached to both sides of the bonnet 9 that covers the engine 2 and the like, and the mission case 4 and the like are covered by the step 12 which is a vehicle body cover on which an operator rides via the footrest 11. A driver's seat 13 is attached to the upper part of the vehicle 12 and a steering handle 14 is provided in front of the driver's seat 13 at the rear of the bonnet 9.
[0010]
The planting unit 15 includes a seedling table 16 for six-row planting, a plurality of planting claws 17, and the like. The planting case 20 is supported by the planting case 20 so as to be slidable in the left-right reciprocating manner and is rotated at a constant speed in one direction. The rotary case 21 is supported by the planting case 20, and a pair of symmetrical positions around the rotation axis of the case 21 A claw case 22 is provided, and planting claws 17 and 17 are provided at the tip of the claw case 22. Further, a support frame 24 is provided on the front side of the planting case 20 via a rolling fulcrum shaft 23, and the support frame 24 is connected to the rear side of the traveling vehicle 1 via a link mechanism 27 including a top link 25 and a lower link 26, A lifting cylinder 28 for raising and lowering the planting part 15 via the link mechanism 27 is connected to the lower link 26, and the front and rear wheels 6 and 8 are driven to move, and at the same time, from the seedling stage 16 that reciprocally slides left and right. One seedling of seedlings is taken out by the planting claws 17, and the seedling planting operation is continuously performed.
[0011]
Further, the main transmission lever 29, the planting lift lever 30, the main clutch pedal 32, the left and right brake pedals 33, 33, and the like are arranged around the driver's seat 13, and a fertilizer for six strips is provided at the rear of the driver's seat 13. A side-mount fertilizer 36 is mounted to form a mid-mount type side-row fertilizer 36. Further, below the planting portion 15, a double float leveling center float 34 and double stripe leveling side floats 35, 35 are provided.
[0012]
Next, the schematic configuration of the side fertilizer applicator 36 will be described with reference to FIGS. 3 and 6.
As shown in FIGS. 3 and 4, the side fertilizer application machine 36 includes a fertilizer hopper 37 into which fertilizer is fed, a fertilizer feed case 38 that is a fertilizer feed section for supplying fertilizer, and a side strip of the floats 34, 35, and 35. A turbo blower type blower 41 for discharging fertilizer to the grooving devices 39 and 39 through flexible type transfer hoses 40 and 40 and a cylindrical air tank 42 and a blower 41 attached to the right end of the air tank 42 are provided for six strips. Six pairs of fertilizer feeding cases 38, 38... Are arranged on the air tank 42.
The fertilizer hopper 37, the fertilizer feed case 38, the transport hose 40, and the like constitute a fertilizer unit 83. The fertilizer unit 83 is juxtaposed in the left-right direction of the machine body and arranged as fertilizer units 83a, 83b,. Yes.
[0013]
In addition, left and right base frames 45 are connected to both sides of a horizontal frame 44 that extends horizontally between the upper ends of left and right columns 43 at the rear end of the vehicle body frame 3 via base mounting plates and the like. A side stay 46 is connected between the end portion and the vehicle body frame 3, and a fertilization frame 47 that is erected on the left and right base frames 45, 45 supports fertilization units 83 a, 83 b,.
[0014]
As shown in FIG. 6, in each fertilizer application unit 83, the lower outlet 51 of the fertilizer hopper 37 is fitted to the intake port 50 on the upper front side of the feeding case 38, and the feeding case 38 is taken out to the lower front side of the feeding case 38. A cylinder 52 is formed, and an inlet of the extraction cylinder 52 is closed by an opening / closing plug 53.
[0015]
In addition, a bottom lid 54 that is forwardly inclined (the upper end side is forward and the lower end side is inclined rearward) is detachably fixed to the lower surface of the feeding case 38, and the funnel type (inverted conical type) is made of hard synthetic resin. A joint portion 55 is integrally formed at the bottom of the bottom lid 54, the bottom lid 54 and the joint portion 55 are communicated with each other via an outlet 56 having a small mouth area, and a joint portion is connected to the rear end of the joint pipe 57 that fits the front end of the air tank 42. 55, the front end is connected and connected, and the transfer hose 40 is fitted to the rear end of the joint portion 55, and the air from the blower 41 is blown out from the air tank 42 to the joint portion 55 and the hose 40, and the joint from the outlet 56 of the bottom lid 54 The fertilizer that falls in the middle of the section 55 is pneumatically conveyed to the position of the groove forming device 39 through the hose 40.
[0016]
Furthermore, it is provided with an inlet plate 59 having an intake port 58, a feeding plate 61 having a plurality of feeding ports 60, 60... On the same circumference, and an outlet plate 63 having a discharge port 62. Each of the plates 59, 61, 63 is disposed between the feeding case 38 and the bottom lid 54 so as to be inclined forward and in a multilayered manner, and the feeding shaft 64 is rotatably provided in a forward tilting posture on the inner path side of the feeding case 38. The lower end side of the feeding shaft 64 is passed through the center of each plate 59, 61, 63, the inlet plate 59 and the outlet plate 63 are locked to the feeding case 38, and the feeding shaft 64 with respect to each plate 59, 63. The feed plate 61 is engaged with the feed shaft 64, the feed plate 61 is forcibly rotated by the feed shaft 64, and the fertilizer that has entered the feed port 60 from the intake port 58 is discharged to the discharge port 62. It is configured to move and drop in the direction of the exit 56.
[0017]
Further, by integrally molding the bottom lid 54 and the joint portion 55, when the bottom lid 54 and the joint portion 55 are separated, the stagnation of the fertilizer generated at the level difference of the engagement connecting portion is eliminated, and the wetness is moistened. It is configured to eliminate the remaining fertilizer.
[0018]
Further, the conical center line of the bottom cover 54 and the discharge direction of the joint part 55 are formed at an obtuse angle, and the bottom cover 54 and the joint part 55 are formed in an inverted conical shape without providing a straight part. The air flow from the air tank 42 to the joint portion 55 is prevented from being diverted to the bottom cover 54, and the fertilizer is blown back toward the feeding case 38. Further, the inlet side of the bottom lid 54 is brought as close as possible to the lower outlet 51 side of the fertilizer hopper 37 so that the fertilizer can be smoothly dropped from the fertilizer hopper 37 to the bottom lid 54, and the bottom lid 54 and the joint It is configured to make it difficult for the fertilizer to stay between the portions 55 and to promote the discharge of the fertilizer from the bottom lid 54 to the joint portion 55 so that the amount of fertilizer is stably maintained.
[0019]
On the other hand, a residual fertilizer outlet 65 is opened on the inlet side lower surface of the extraction cylinder 52, and an opening / closing plug 53 is slidably inserted into the extraction cylinder 52, and an opening / closing operation body 66 on one end side of the opening / closing plug 53 is removed. 52, the residual fertilizer outlet 65 is closed by the outer peripheral surface of the plug when the operating body 66 is pushed in, and the residual fertilizer outlet 65 is opened when the operating body 66 is pulled forward. The residual fertilizer in the feeding case 38 is discharged and removed to the outside through the residual fertilizer discharge mechanism according to the present invention that is connected to the residual fertilizer outlet 65.
[0020]
4 to 6, the PTO shaft 67 for transmitting the engine 2 to the planting portion 15 is extended rearward from the transmission case 4, and the bearing case 68 is welded or bolted to the left column 43. The input shaft 69 of the bearing case 68 is coupled and interlocked to the intermediate portion of the PTO shaft 67 via the chain 70, and the output shaft 72 is coupled and interlocked to the input shaft 69 and the chain 71 in the bearing case 68.
[0021]
Further, the input shaft 74 of the ring cone continuously variable transmission 73 is connected to the rear end of the output shaft 72 of the bearing case 68, and the shift output is transmitted to the transmission shaft 75 at the rear end of the continuously variable transmission 73 via a pair of bevel gears 76. The shaft 77 is linked and interlocked. On the other hand, a feeding input shaft 81 connected to and linked to the feeding shaft 64 via a pair of bevel gears 78 is connected to and linked to a feeding drive shaft 79 in the left and right direction via a pair of bevel gears 80. The variable speed output shaft 77 and the universal joint shaft 82 are connected to drive the side fertilizer 36 by the output from the engine and the amount of fertilizer fed from the feed case 38 by the speed change operation of the continuously variable transmission 73. To adjust.
[0022]
Next, the residual fertilizer discharge mechanism according to the present invention will be described with reference to FIGS. In the present embodiment, of the swings, the swing in the residual fertilizer discharge direction is referred to as “longitudinal swing”, and the swing perpendicular to the residual fertilizer discharge direction is referred to as “rolling”.
[0023]
As shown in FIGS. 7 and 8, in the residual fertilizer discharge device 87, residual fertilizer discharge members 121a and 121b such as hoses and bellows are provided at the residual fertilizer outlets 65 of the fertilizer units 83a, 83b, and 83c on the left side of the machine body. 121c is connected in communication, and the residual fertilizer discharge members 121a 121b 121c are extended to the left of the machine body so as to be lowered on the exit side, and the front portions thereof are bound by the connecting member 122a.
[0024]
On the other hand, a swinging device 123 is placed and fixed at a substantially central portion on the left and right sides of the horizontal frame 44. A left arm 124a extends from the swinging device 123 in the left direction of the machine body, and a front portion of the left arm 124a. Is connected to the connecting member 122a. Further, a left support frame 92 extends from the left end of the horizontal frame 44 toward the left side of the machine body, and arm guides 125 and 125 are fixedly provided in the middle of the left support frame 92. By slidably inserting the arm 124a, the movement of the left arm 124a by the swing device 123 is reliably transmitted to the connecting member 122a.
[0025]
Similarly, with respect to the fertilizer application units 83d, 83e, and 83f on the right side of the machine body, residual fertilizer discharge members 121d, 121e, and 121f are connected to the respective residual fertilizer outlets 65, and the residual fertilizer discharge members 121d, 121e, and 121f are connected. Is extended to the right side of the fuselage so as to be lowered toward the exit side, and the tip thereof is bound by a connecting member 122b.
On the other hand, a right arm 124b extends from the swinging device 123 in the right direction of the machine body, and a tip portion of the right arm 124b is connected to the connecting member 122b.
A right support frame 91 extends from the right end of the horizontal frame 44 toward the right side of the machine body, and arm guides 125 and 125 are fixedly provided in the middle of the right support frame 91. The right arm 124b is slidably inserted.
[0026]
In such a configuration, when a discharge switch (not shown) is set to “ON”, a signal is transmitted to the controller, and based on this signal, the left and right arms 124a and 124b are swung by the swinging device 123 to discharge residual fertilizer. The connecting members 122a and 122b for binding the members 121a and 121b are also swung.
When the operating body 66 is pulled forward in this state, the residual fertilizer outlet 65 is opened, and the residual fertilizer is dropped into the remaining residual fertilizer discharge members 121a, 121b,. It moves to the outlet side end while sliding, and falls into the residual fertilizer container 100 arranged below as it is.
[0027]
That is, a fertilizer unit 83 having a fertilizer hopper 37 and a fertilizer feeding case 38 is provided, and in the side strip fertilizer machine 36 in which a plurality of fertilizer units 83 are arranged side by side, the residual fertilizer outlet 65 provided in each fertilizer feeding case 38 is Since the residual fertilizer discharge member 121 is connected in communication, and the residual fertilizer discharge member 121 is connected to the residual fertilizer discharge mechanism 87 capable of imparting swinging, the tilt angle of the residual fertilizer discharge member 121 cannot be sufficiently secured. In particular, in the residual fertilizer discharge members 121c and 121d near the central strip having a small inclination angle, the residual fertilizer can easily move in the residual fertilizer discharge member 121 due to the swinging of the residual fertilizer discharge member 121 itself. It is possible to reliably prevent clogging and efficiently discharge residual fertilizer.
[0028]
Here, the rocking device 123 will be described in detail.
As shown in FIGS. 9 and 10, a bottom plate 127 is fixed to the bottom surface of the box 126 that forms the exterior of the swinging device 123, and a box-like gear case 128 that opens downward is formed on the bottom plate 127. A fixed base 137 having an inverted L-shape when viewed from the front is attached to the upper surface of the right portion of the gear case 128.
[0029]
A driving motor 129 is fixed on the fixed base 137, and an output shaft extending downward from the driving motor 129 is pivotally supported between the bottom plate 127 and the gear case 128 upper plate. The drive shaft 130 of the gear 131 is connected.
On the other hand, a driven gear 132 is pivotally supported between the left part of the bottom plate 127 and the left part of the upper plate of the gear case 128, and the driven gear 132 is meshed with the driving gear 131, and the driving force of the driving motor 129 is increased. It can be transmitted to the driven shaft 145 of the driven gear 132.
[0030]
Further, a crankshaft 133 is connected to the driven shaft 145, and an upper end of the crankshaft 133 is fitted and connected to one end of a laterally arranged crank arm 134, and a slider pin 135 is connected to the other end of the crank arm 134. The slider pin 135 is slidably inserted into the elongated hole 124c from below.
[0031]
The long hole 124c is perforated into a substantially rectangular shape extending in the longitudinal direction of the machine body in the connecting plate 124d that connects the left arm 124a and the right arm 124b. The left and right arms 124a and 124b, the connecting plate 124d, The movable arm 124 is formed by the hole 124c, and the left and right arms 124a and 124b are connected to the connecting members 122a and 122b through the guide holes 126a and 126b opened on the left and right side surfaces of the box 126. .
The movable arm 124, the crankshaft 133, the crank arm 134, and the slider pin 135 constitute a crank mechanism 136 that can swing.
[0032]
In such a configuration, when the drive motor 129 is driven with the discharge switch (not shown) set to “ON”, the driving force is transmitted from the drive gear 131 to the crankshaft 133 via the driven gear 132, and the crankshaft 133 is centered. Thus, the slider pin 135 rotates. Then, as shown in FIG. 10, the slider pin 135 slidable only in the longitudinal direction of the machine body imparts a pitching from the left end position 138 to the right end position 139 to the movable arm 124 through the long hole 124c. be able to.
[0033]
Similarly, as shown in FIG. 11, a long hole 140c is drilled in a substantially rectangular shape in the left-right direction of the fuselage in a connecting plate 140d that connects the left arm 140a and the right arm 140b to the left and right, and these left and right arms 140a and 140b, The movable arm 140 is composed of the connecting plate 140d and the long hole 140c. When the drive motor 129 is driven, the slider pin 135 rotates about the crankshaft 133, and the slider pin 135 that can slide freely only in the left-right direction of the machine body is movable through the elongated hole 140c. A roll can be imparted to the arm 140 from the front end position 141 to the rear end position 142.
[0034]
That is, a fertilizer unit 83 having a fertilizer hopper 37 and a fertilizer feeding case 38 is provided, and in the side strip fertilizer machine 36 in which a plurality of fertilizer units 83 are arranged side by side, the residual fertilizer outlet 65 provided in each fertilizer feeding case 38 is The residual fertilizer discharge member 121 is connected in communication, the residual fertilizer discharge member 121 is distributed to the left and right sides of the machine body and connected by a connecting member 122, and the residual fertilizer discharge mechanism by a crank mechanism 136 that can swing is connected to the connecting member 122. 87, the residual fertilizer discharge member 121 itself swings in the residual fertilizer discharge members 121c and 121d in the vicinity of the central strip having a small inclination angle, in particular, when the tilt angle of the residual fertilizer discharge member 121 cannot be sufficiently secured. Therefore, the residual fertilizer can easily move in the residual fertilizer discharge member 121, and the occurrence of clogging is surely prevented. Efficiently can be discharged, in addition, because it simplifies the mechanism for swinging grant, the parts cost and, it is possible to improve the assembling property and maintainability.
[0035]
Next, another form of residual fertilizer discharge mechanism will be described.
As shown in FIG. 12, the residual fertilizer discharge members 121a, 121b, and 121c are extended to the left of the machine body so as to be lowered toward the exit side, and the front ends thereof are bound by a connecting member 122a, and the connecting members A swing handle 143 having a U-shape in plan view that is opened to the right is connected and fixed to the front and rear side surfaces of 122a.
On the other hand, a guide arm 144 is inserted into the arm guides 125 and 125 so as to be slidable in the left-right direction of the machine body, and the outer end of the guide arm 144 is connected to the connecting member 122a and is connected to the inner end of the guide arm 144. Is formed with a restricting portion 144a for preventing the guide arm 144 from falling off.
[0036]
In such a configuration, when the holding portion 143a of the swing handle 143 is held and swings in the left-right direction of the machine body, the residual fertilizer discharge members 121a, 121b, and 121c are pitched while being guided by the guide arm 144.
By applying such a manual type residual fertilizer discharge mechanism 90, it is not necessary to separately provide the swinging device 123 having the crank mechanism 136 and the like, and the residual fertilizer discharge mechanism can have a simpler structure. Therefore, the cost of parts can be further reduced, and the ease of assembly and maintenance can be improved.
[0037]
【The invention's effect】
Since this invention was comprised as mentioned above, there exist the following effects. That is, as in claim 1, in a side fertilizer machine provided with a fertilizer unit having a fertilizer hopper and a fertilizer feed case, and a plurality of the fertilizer units are arranged side by side, in the residual fertilizer outlet provided in each of the fertilizer feed cases The residual fertilizer discharge member is connected in communication, and the residual fertilizer discharge member is connected to the residual fertilizer discharge mechanism that can impart swinging. In the residual fertilizer discharge member near the central strip, the residual fertilizer discharge member itself can be easily moved in the residual fertilizer discharge member by the rocking of the residual fertilizer discharge member itself, thereby reliably preventing clogging. Residual fertilizer can be discharged efficiently.
[0038]
A fertilizer unit having a fertilizer hopper and a fertilizer feed case is provided as in claim 2, and a side fertilizer machine in which a plurality of the fertilizer units are arranged side by side, a residual fertilizer is provided at a residual fertilizer outlet provided in each of the fertilizer feed cases. Since the discharge member is connected in communication, the residual fertilizer discharge member is divided into the left and right sides of the machine body and connected by a connection member, and the connection member is connected to a residual fertilizer discharge mechanism by a crank mechanism capable of swinging. When the tilt angle of the discharge member cannot be secured sufficiently, especially in the case of the residual fertilizer discharge member near the central strip having a small tilt angle, the residual fertilizer discharge member itself is easily moved by the swinging of the residual fertilizer discharge member itself. It is possible to move, reliably prevent clogging, discharge the residual fertilizer efficiently, and in addition to simplifying the mechanism for imparting rocking, Cost or, it is possible to improve the assembling property and maintainability.
[Brief description of the drawings]
FIG. 1 is an overall side view of a rice transplanter.
FIG. 2 is a plan view of the same.
FIG. 3 is a side view of a planting part.
FIG. 4 is a rear view of the side strip fertilizer machine.
FIG. 5 is a side view of a fertilizer application unit.
FIG. 6 is a partial cross-sectional side view of a feeding case.
FIG. 7 is a front view of a side fertilizer applicator showing a residual fertilizer discharge mechanism.
FIG. 8 is also a partial left side sectional view.
FIG. 9 is a partial front sectional view of the swing device.
FIG. 10 is an explanatory diagram of pitching.
FIG. 11 is an explanatory diagram of rolling.
12 is a front view of a side fertilizer applicator showing a manual type residual fertilizer discharging mechanism. FIG.
FIG. 13 is a front view of a fertilizer application unit showing a conventional residual fertilizer discharge situation.
[Explanation of symbols]
36 Side strip fertilizer 37 Fertilizer hopper 38 Fertilizer feed case 65 Residual fertilizer outlet 83 Fertilizer unit 87/90 Residual fertilizer discharge mechanism 121 Residual fertilizer discharge member 122 Connecting member 136 Crank mechanism

Claims (2)

A fertilizer application unit having a fertilizer hopper and a fertilizer feeding case is provided, and in a side fertilizer machine in which a plurality of the fertilizer feeding units are arranged, a residual fertilizer discharge member is connected to the residual fertilizer outlet provided in each of the fertilizer feeding cases, A side fertilizer applicator characterized in that the residual fertilizer discharge member is connected to a residual fertilizer discharge mechanism capable of swinging. A fertilizer application unit having a fertilizer hopper and a fertilizer feeding case is provided, and in a side fertilizer machine in which a plurality of the fertilizer feeding units are arranged, a residual fertilizer discharge member is connected to the residual fertilizer outlet provided in each of the fertilizer feeding cases, The side fertilizer applicator characterized in that the residual fertilizer discharging member is distributed to the left and right sides of the machine body and connected by a connecting member, and the connecting member is connected to a residual fertilizer discharging mechanism by a crank mechanism capable of swinging.

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