JP3848895B2 - Fertilizer bag storage device for fertilizer applicator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a storage device for a replenishment fertilizer bag in a fertilizer applicator, and more specifically, a storage container for a replenishment fertilizer bag is disposed in a lower space portion of a fertilizer tank disposed at a front portion of the body. It is compact and can be fertilized while maintaining a stable balance with the front and rear balance of the aircraft, and when there is a shortage of fertilizer in the fertilizer tank during work, it can be easily replenished on the spot, The present invention relates to a storage device for replenishment fertilizer bags in a fertilizer applicator capable of continuously performing fertilization work.
[0002]
[Prior art]
The fertilizer machine in field cropping works in a relatively narrow space, so if the balance between the front and rear of the machine is not maintained, stable running is not possible, and the hail that is located on the left and right of the road in the process of fertilization There was a risk that the above crop could touch the aircraft and damage the crop, affecting the yield.
[0003]
In addition, when the fertilizer in the fertilizer tank is insufficient or exhausted during fertilization work, the work is suspended to replenish the fertilizer and the fertilizer is transported to the work site or the fertilizer machine is moved to the replenishment site. Since it was moved and replenished, there was a problem that the efficiency of fertilization work could not be achieved.
[0004]
[Problems to be solved by the invention]
The present invention has been devised in order to eliminate the conventional problems in view of the actual situation as described above, and its intended purpose is to supply fertilizer in a lower space portion of a fertilizer tank disposed in the front part of the machine body. A bag storage container is installed to reduce the size of the aircraft, allowing fertilization work while running with the aircraft's front-rear balance maintained, and the stored replenishment fertilizer bags to be stable with the storage container's four-surface plate The storage state is not disturbed by the vibration of the aircraft during work, and the fertilizer does not spill even if the aircraft tilts to the left or right. To provide a storage device for replenishment fertilizer bags in a fertilizer applicator that can be easily replenished with a replenishment fertilizer bag stored near the mouth of a fertilizer tank and can perform fertilization work continuously. Challenge It is intended.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the first technical means adopted by the present invention is to dispose fertilizer nozzles that are driven up and down at different phases on the left and right sides of the transmission case disposed in the central part of the aircraft, In a fertilizer applicator for irrigating fluid fertilizer in a fertilizer tank into a field with a fertilizer nozzle, a fertilizer tank is disposed on a horizontal tank frame provided in front of the machine body, and a fertilizer for replenishment is provided in a lower space portion of the fertilizer tank. A bag storage container is provided.
[0006]
The second technical means adopted by the present invention is that the storage container for the replenishment fertilizer bag is formed in a rectangular parallelepiped made of a flat face plate that is open upward, and when the replenishment fertilizer bag is stored, the center of the horizontal tank frame The rear end portion of the inner side plate that is arranged on the left and right sides and is opposite is fitted to the pivot fulcrum shaft planted on the horizontal tank frame, and is used for the hook-like opening and closing operation protruding from the inner side plate side of the front plate The hook of the open / close lever attached to the vertical tank frame via a mounting seat while the tip of the horizontal part of the handle is locked to the vertical tank frame planted on the left and right parts of the front end of the horizontal tank frame It is configured to be engaged and supported at the time, and when replenishing fertilizer, the engagement with the hook part is released by the downward rotation operation of the opening and closing lever, and it can be rotated obliquely outward about the rotation fulcrum shaft. It is characterized by .
[0007]
The third technical means adopted by the present invention is characterized in that the fertilizer bag for replenishment is formed in substantially the same shape as the storage container, and the interval between the four peripheral plates is set as narrow as possible. It is.
[0008]
According to a fourth technical means employed by the present invention, the open / close lever is attached to the vertical tank frame via a mounting seat with a fastening tool, and the lower part of the fastening tool secured to the upper side and the lower side of the mounting seat. The side tightening tool protrudes and sticks in a downward trajectory of the opening / closing lever, and is configured as a stopper that restricts downward rotation.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is an overall side view of the fertilizer applicator, FIG. 2 is an overall plan view of the same, FIG. 3 is a plan view of the same essential part, FIG. 4A is a front view of the essential part of the same, and FIG. 1 is a fertilizer applicator provided with a crawler type traveling device 2, and an engine 4 is mounted on a body frame 3 provided at a rear portion of the fertilizer applicator 1. A handle mounting bracket 5 is erected in the machine width direction through a fuel tank 4a at a portion near the front, and a handle 6 is extended rearward at an upper end portion thereof. A transmission case 8 is provided below the body frame 3 in conjunction with the drive belt 7. Power is transmitted to the crawler type traveling device 2 through the transmission case 8, and a drive unit for the body is also provided. Power is input to the.
[0010]
The horizontal tank frame 9 provided in the front portion of the fertilizer applicator 1 has a fertilizer tank 10 formed in a substantially turtle shell shape (hexagonal shape) in a plan view in a state where the fertilizer tank 10 is fixed to the support frame 11. It is arranged on the left and right from the center. Reference numeral 12 denotes a storage container for replenishment fertilizer bags disposed in a lower space portion of the fertilizer tank 10, which is formed in a rectangular parallelepiped that is open upward and is vertically elongated from the center of the horizontal tank frame 9 to the left and right. The rear end portion of the inner side surface plate 12a located at the opposite position is fitted to the rotation fulcrum shaft 13 planted in the horizontal tank frame 9, and is disposed so as to be able to rotate obliquely outward.
[0011]
The front plate 12b of the storage container 12 is provided with a hook-like opening / closing operation handle 14 in a state of protruding upward from the upper edge 12c at the end on the opposite inner side plate 12a side. The portion is bent toward the inner side plate 12a to form a horizontal portion 14a, and a stopper 14b is attached to the portion near the tip side, and the tip portion is planted at the left and right front end portions from the center of the horizontal tank frame 9. The vertical tank frame 15 is locked up.
[0012]
Reference numeral 16 denotes an open / close lever attached to the vertical tank frame 15 via a mounting seat 17. The hook portion has a 90 ° rotation angle on the rear end side of the rotation fulcrum of the open / close lever 16. 16a is provided. When the opening / closing lever 16 is turned upward from below with the storage container 12 positioned opposite to the left and right of the horizontal tank frame 9, the hook portion 16 a has a hook-like opening operation handle 14. The stopper 14b abuts against the inner surface of the hook portion 16a and the storage container 12 is held in a working state, that is, in a state where the replenishment fertilizer bag is stored. At this time, the hook portion 16a Since the thickness of the rear end side is increased to increase the weight, the hook portion 16a does not come off due to vibration of the machine during operation. Further, when the opening / closing lever 16 is rotated downward from above to release the engagement between the hook portion 16 a and the horizontal portion 14 a, the storage container 12 can be rotated obliquely outward about the rotation fulcrum shaft 13. , Can be displaced to fertilizer replenishment state.
[0013]
When the opening / closing lever 16 is attached to the vertical tank frame 15 via the mounting seat 17, the mounting seat 17 is fixed to the upper side and the lower side with a fastening tool 18, but the lower side fastening tool 18 is attached to the opening / closing lever 16. The head side is protruded and fixed in a turning locus from above to below, and the fastening tool 18 functions as a stopper for restricting the turning of the opening / closing lever 16 downward. Therefore, it is not necessary to provide a stopper, and the number of parts can be reduced.
[0014]
The fertilizer bag for replenishment stored in the storage container 12 is formed in a shape substantially the same as that of the storage container 12 using synthetic resin as a raw material, and the interval between the four circumferential plates is set as narrow as possible. Therefore, when the fertilizer bag for replenishment is stored vertically according to the storage container 12, the storage state is stable, the storage state is not disturbed by the vibration of the aircraft during work, and it is filled even if the aircraft tilts left and right. The fertilizer is not easily spilled and is stored near the mouth of the fertilizer tank 10 so that it can be easily replenished.
[0015]
A drain hole 12e is formed in the front end portion and the rear end portion of the bottom plate 12d of the storage container 12. Therefore, even if fertilizer is spilled at the time of replenishment or the like, it does not accumulate on the bottom plate 12d. ing. Further, the outer face plate 12f of the storage container 12 is formed flat so that the surface portion has no irregularities and is fit within the width of the machine as in the case of other face plates. When fertilizing, there is no catch of crops and there is no risk of damage to the crops.
[0016]
On the other hand, a transmission case up-and-down movement adjusting mechanism for adjusting the driving depth of the fertilizer nozzle according to the state of the field and the type of the growing crop is disposed in the vicinity of the front portion of the handle mounting bracket 5. The transmission case vertical movement adjusting mechanism includes a main frame 19 erected on the body frame 3, an operation lever mounting bracket 20 pivotally supported on the upper end of the main frame 19, and the operation lever mounting. The operation lever 21 is fixed to the bracket 20, and the transmission case 22 is suspended from the lower edge of the mounting bracket 20.
[0017]
That is, the main frame 19 is formed in a U-shape in plan view, and stands upright with the open side facing the transmission case 22, and the side walls 19a and 19a facing each other bend gently toward the transmission case 22 side. The formed guide grooves 19 b and 19 c are formed over the top and bottom, and the opposing width of the side walls 19 a and 19 a is set slightly narrower than the mounting width of the transmission case 22.
[0018]
The operation lever mounting bracket 20 has a concave notch 20a formed on the upper edge of the plate-like body formed in a horizontally long rectangular shape in a side view from the base end side to the substantially central portion, and the remaining base end portion 20b. Is pivotally supported at the upper end of the main frame 19 between the opposing side walls 19a, 19a. The operation lever 21 has a base end portion 21a fixed to the remaining upper edge of the operation lever mounting bracket 20, and a front end portion 21b protruding from the front ends of the tanks 10 and 10 through the facing distance between the fertilizer tanks 10 and 10. It is extended to.
[0019]
A transmission case 22 having a substantially rectangular shape in side view is suspended near a tip of the central portion of the lower edge of the operation lever mounting bracket 20 via a suspension plate 23 having a substantially isosceles triangle shape in side view fixed to the upper surface thereof. The guide plate 22a, 22a is fixed to the outer surface of the side wall 19a, 19a of the main frame 19 on the rear surface side of the transmission case 22, and the upper and lower guide grooves are respectively attached to the guide plate 22a, 22a. When the 19b and 19cn fasteners 24 and 24 are engaged and tightened, the transmission case 22 is fixed, and when it is relaxed, the transmission case 22 is movable up and down.
[0020]
A crankshaft 25 is coupled to both left and right ends of an output shaft (not shown) of the transmission case 22, and a crank arm 27 that is pivotally supported on the upper end portion of the support rod 26 is coupled to the crankshaft 25. The left and right fertilization nozzles 29 and 29 are supported by a lower end portion of a support rod 26 that moves up and down in conjunction with the rotation shaft 27 so that the left and right fertilization nozzles 29 and 29 are driven to move up and down with a phase difference of 180 degrees. The lift 28 that supports the fertilization nozzle 29 moves along the guide groove 31 of the guide plate 30 that is pivotally supported by the crankshaft 25.
[0021]
Plunger pumps 32, 32 for feeding fluid fertilizer to the fertilizer nozzles 29, 29 are arranged side by side on the left and right sides of the fertilizer tanks 10, 10 with a required facing interval. The drive mechanism of the plunger pump 32 includes arms 34, 34 that are swung so as to cause the rod 32 a of the plunger pump 32 to move in a piston manner at the left and right ends of the drive shaft 33 that is pivotally supported by the transmission case 22. , The roller 35 attached so as to come into contact with the rod 32a by the swing of the arms 34, 34, the operating links 36, 36 swingably connected to the arms 34, 34, and the arms of the operating links 36, 36 The operation links 36 and 36 and the connection links 37 and 37 that connect the arms 34 and 34 so as to maintain the swing angle with respect to the positions 34 and 34 are configured.
[0022]
Injection of fluid fertilizer from the plunger pumps 32, 32 to the fertilizer nozzles 29, 29 is performed by the bottom of the fertilizer tanks 10, 10 and the suction pumps 38, 38 installed on the body frame 3 below the body frame 3. The fertilizer sucked by the suction pump 38 is sent to the distributor 1 through the discharge hose 40 and further discharged from the distributor 41 to the discharge hose 42. To the plunger pumps 32, 32. At that time, the rollers 35 and 35 are brought into contact with the rods 32a and 32a of the plunger pumps 32 and 32 by the swinging of the arms 34 and 34, and the rods 32a and 32a are moved in a piston motion to feed the fertilizer from the injection hose 43 to the fertilizer nozzles 29 and 29. To ejaculate. Fertilizer injection is intermittently performed in synchronization with the lowering operation of the fertilizer application nozzles 29 and 29. 44 is a return hose for returning surplus fertilizer to the fertilizer tanks 10 and 10. In addition, since the suction hose 39 and the discharge hose 40 are provided below the center of the machine body as described above, it is convenient because the drain pipe 45 comes out when the fertilizer is removed.
[0023]
Between the fertilizer tanks 10 and 10 and the transmission case vertical movement adjusting mechanism, a transmission case vertical movement positioning mechanism is disposed between the left and right of the plunger pumps 32 and 32. In this transmission case vertical movement positioning mechanism, a rod 46 in which a plurality of positioning locking holes 46a are formed at predetermined intervals in the vertical direction is supported in parallel by the traveling frame 2a via a mounting bracket 2b. The upper end of the hexagonal pipe 47 loosely fitted to 46 is suspended from the tip of the lower edge of the operation lever mounting bracket 20, and the transmission case 22 and the hexagonal pipe 47 are moved up and down in conjunction with the vertical movement operation of the operation lever 21. When the adjustment height of the transmission case 22 is set, the adjustment pin 48 is inserted into the positioning locking hole 46a of the rod 46 via the hexagonal pipe 47, so that In other words, the driving depth of the fertilizer application nozzles 29 and 29 into the field can be locked in an optimum state corresponding to the type of crop to be grown.
[0024]
In the above configuration, when performing the fertilization work, first, the fertilizer tanks 10 and 10 are filled with fertilizer, and then the fertilizer bags are filled with fertilizer. The hooking portion 16a and the horizontal portion 14a of the hook-shaped handle 14 for opening and closing the storage container 12 are released by rotating, and the storage container 12 is rotated obliquely outward. The bag is stored in the storage container 12 and filled with fertilizer.
[0025]
Next, after gripping the hook-shaped opening / closing handle 14 to return the storage container 12 to the original position, that is, the left-right facing position, the tip of the horizontal portion 14a of the hook-shaped handle 14 is locked to the vertical tank frame 15, When the opening / closing lever 16 is pivoted upward to engage the hook portion 16a with the horizontal portion 14a, the stopper 14b attached to the horizontal portion 14a comes into contact with the inner surface of the hook portion 16a, and the storage container 12 is in a working state. Retained.
[0026]
Therefore, after changing the vertical position of the transmission case 22 and adjusting the depth of the fertilization nozzles 29 and 29 to the field according to the state of the field and the type of the growing crop, the engine 4 is started and the field farming field is adjusted. Flowing fertilizer is irrigated with a phase difference of 180 degrees alternately between the left and right fertilization nozzles 29, 29 while traveling between the furrows. At that time, since the fertilizer bags for replenishment are housed in the lower space of the fertilizer tanks 10 and 10 disposed at the front of the machine body, the machine body is made compact and the balance between the front and rear is maintained and stable during operation. You can apply fertilizer while running on the road. In addition, since the storage container 12 for the replenishment fertilizer bag is formed of a flat plate with no unevenness, even if the fertilization operation is carried out while traveling in a narrow space, there is no possibility of catching the crop, and therefore damage to the crop may occur. Nor.
[0027]
In addition, the fertilizer bag for replenishment is formed in substantially the same shape as the storage container 12, and the opposing interval between the four peripheral plates is set as narrow as possible, so that it can be stored stably according to the shape of the storage container 12. In addition, the hook portion 16a of the opening / closing lever 16 that holds the storage container 12 in the working state has a heavy weight on the rear end side thereof, so there is no possibility that the hook 16a is detached due to vibration of the machine body during work. Fertilization work can be performed while maintaining a stable storage state. Furthermore, even if the aircraft inclines to the left and right, the fertilizer is not easily spilled, and the replenishment fertilizer bag is stored near the mouth of the fertilizer tanks 10 and 10 so that it can be easily replenished and the fertilizer can be applied continuously. It can be carried out.
[0028]
【The invention's effect】
As apparent from the above description, according to the present invention, the following remarkable effects can be obtained.
(1) Since the storage container for storing the fertilizer bags for replenishment has been installed in the lower space of the fertilizer tank placed at the front of the machine, the machine has been made compact and the front and rear balance is maintained. Fertilization work can be performed while running in a stable state.
(2) Since the storage container for the fertilizer bag for replenishment is formed with a flat plate with no irregularities, it is possible to guide the crop without being caught by the outer side plate of the storage container when performing fertilization work while traveling in a narrow space. And there is no risk of damage to the crop.
(3) The storage container is configured so that it can be rotated obliquely outward when the open / close lever is rotated downward to come into contact with the stopper, so that the storage fertilizer bag can be easily stored and the open / close lever When the hook is turned upward and held in the working state by the hook portion, the rear end side of the hook portion is heavy, so there is no possibility that the hook portion is detached due to vibration of the airframe.
(4) The fertilizer bag for replenishment is formed in the same shape as the storage container, and the interval between the four peripheral plates is set as narrow as possible, so that it can be stored stably according to the shape of the storage container. In addition, the fertilizer is not easily spilled even when the aircraft is tilted to the left and right during work, and the replenishment fertilizer bag can be stored near the mouth of the fertilizer tank so that it can be easily replenished and the fertilization work can be performed continuously.
[Brief description of the drawings]
[Fig. 1] Overall side view of fertilizer applicator [Fig. 2] Same as above plan view [Fig. 3] Plan view of the same main part [Fig. 4] (A) is a front view of the same main part (B) is the same main part. Partially enlarged front view [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Fertilizer applicator 9 Horizontal tank frame 10 Fertilizer tank 12 Storage container 12a Inner side plate 12b Front plate 13 Rotating fulcrum shaft 14 Hook-like handle 14a for opening / closing operation Horizontal portion 15 Vertical tank frame 16 Opening / closing lever 16a Hook portion 17 Mounting seat 18 Tightening Tool 22 Transmission case 29 Fertilizer nozzle

Claims (4)

In a fertilizer applicator in which fertilizer nozzles that are driven up and down at different phases are disposed on the left and right sides of a transmission case disposed in the central part of the machine body, and fluid fertilizer in a fertilizer tank is irrigated in the field with the fertilizer nozzle. A fertilizer for replenishment in a fertilizer applicator characterized in that a fertilizer tank is disposed in a horizontal tank frame provided at the front of the machine body, and a storage container for a replenishment fertilizer bag is disposed in a lower space portion of the fertilizer tank. Bag storage device. The storage container for the replenishment fertilizer bag is formed in a rectangular parallelepiped with a flat face plate that is open upward, and in the state where the replenishment fertilizer bag is stored, it is disposed on the left and right sides from the center of the horizontal tank frame and is opposed to the inside. The rear end of the face plate is fitted to a pivotal fulcrum shaft planted in the horizontal tank frame, and the tip of the horizontal portion of the hook-shaped opening / closing operation handle protruding from the inner side plate side of the front plate is connected to the horizontal tank frame. It is engaged and supported by the hook part of the open / close lever attached to the vertical tank frame via the mounting seat while being locked to the vertical tank frame planted at the left and right parts of the front end. 2. The fertilizer application according to claim 1, wherein the engagement with the hook portion is released by a downward rotation operation, and the rotation is made obliquely outward about the rotation fulcrum shaft. Of fertilizer bags for replenishment in the machine Paid apparatus. 3. The fertilizer for replenishment in a fertilizer applicator according to claim 1, wherein the replenishment fertilizer bag is formed in substantially the same shape as the storage container, and the interval between the four circumferential plates is set as narrow as possible. Bag storage device. The open / close lever is attached to the vertical tank frame by the fasteners via the mounting seats. Of the fasteners fixed to the upper and lower sides of the mounting seats, the lower side fasteners are rotated downwardly of the open / close levers. The storage device for a fertilizer bag for replenishment in a fertilizer applicator according to claim 2, characterized in that the stopper is configured to protrude and adhere to the movement trajectory and restrict downward rotation.

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