JP2686575B2 - Dot fertilizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dot-type fertilizer applicator in which a dot-type fertilizer application device for applying liquid fertilizer, paste fertilizer or granular fertilizer is mounted on a small management machine for farming.

[0002]

2. Description of the Related Art Conventionally, in the case of additional fertilizer, paste fertilizer is diluted and put into a tank and sprayed using a power sprayer, or paste fertilizer is put into a backpack type tank and a manual step-in type drip is applied. When the weight of the fertilizer application tube was inserted into the soil with the weight applied to the stepping portion of the machine, the paste fertilizer flowing down from the tank was poured into the soil from the tip of the nozzle of the fertilizer tube.
In addition, even if it is a mechanical type pouring machine,
Position of the fertilizer tube as known in 18 JP was adapted to reciprocally only certain trajectory line fixed.

[0003]

When the diluted paste fertilizer is sprayed using the above power sprayer, the fertilizer is scattered on the entire surface of the soil, so that the fertilizer runs off and the fertilizer is injected into the soil. Not only was it not possible to fulfill the original purpose of topdressing, but also the routing of the hose from the stationary power sprayer to the spraying position was cumbersome, making it difficult for one person to work. The latter, which uses a manual foot-operated type pouring machine, can fulfill the original purpose of topdressing, but since it works by multiplying the weight one by one, the topdressing work in the field or the entire large area house is performed. It was very tired to perform, and the efficiency did not improve. Further, the above-mentioned Jitsuko Sho 61-2921
Since the position of the fertilizer application pipe is fixed and reciprocates only on a certain trajectory line, the tilt angle of the fertilizer application pipe and the interval between the left and right fertilizer application pipes can be adjusted. Without fertilization
Adaptability to work was not evil.

[0004]

According to the present invention, there is provided a point-like fertilizer application device in which a front support column 12 is erected on a machine body having a traveling device and vertically moved on both sides of the front support column 12 to apply fertilizer in a dot pattern. a mounting were fertilized machine, only set a substantially horizontal lateral toolbar 14 to the front strut 12, the point-like fertilizing device at both ends fraction before Symbol toolbar 14, the longitudinal direction becomes the rotation fulcrum of the aircraft with lateral tilting adjusting lockably mounted in the center, the universal joint 40, 40 of the pivot center 51, 51 interposed at both sides of the drive shaft 39 for driving the dot-like fertilizing device, the <br/> point Since the rotation center 53 of the fertilizer application and the longitudinal axis of the machine are arranged on the same axis , the inclination of the point fertilizer application is increased.
The above-mentioned problems have been solved by configuring the angle so that it can be selected at any angle .

[0005]

When [action] Using fertilizing device by small tiller for farming of the present invention is advanced at low speed put wheels of the machine to the valley between the narrow ridges To do top-dressing operations, forward in conjunction with the forward speed The point-like fertilizer applicator that is tilted to the left and right is the middle of the ridge.
Is inserted into the soil of the slope side, when the front end of the fertilizing device reaches the lowermost end, manure from the nozzle tip is Ru are discharged into the soil.
And, if you need to change the inclination angle of the fertilizing device by ridges circumstances, the fertilizing device laterally tilted toolbar both ends fraction, perform fertilization work adjusted fixed to a desired angle.
At this time, point-like fertilizing device and the center of rotation of the universal joint is interposed on opposite sides of the drive shaft that drives a rotation transmission power since a tilting center of point fertilizing device are arranged on the same axis There is no hindrance to him.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. A U-shaped rear hitch 1 which is opened rearward behind a small farming machine, a central portion of a lower frame 4a of a rear support frame 4 is provided. A box-shaped cross section vertically engaged with the hitch pin 2 and fixed on both sides thereof by pressing two push bolts 3 against the wall surface of the rear hitch 1 without play. A U-shaped support bracket 5 opened upward is mounted on the left and right outer sides of the rear support 4b,
The left and right paste tanks 6 are supported.

The paste fertilizer filled in the left and right paste tanks 6 flows down from the lower portion of the paste tank 6 to a supply pump 7 serving as a feeder disposed below by a hose.
From the discharge port of the supply pump 7, the gas is fed through a pipe to a distribution valve 8, which is a distributor disposed on the upper surface of the rear support 4b. The distribution valve 8 has eight discharge ports. The four discharge ports are alternately gathered in two flexible pipes and connected to the upper portions of the left and right fertilizer application pipes 9 respectively. And squirts into the soil from the lower nozzle 9a.

On the other hand, front supporting columns 12 are mounted on the left and right sides of the front frame 10 of the small-sized management machine by mounting bolts 11 to support the stabilizer wheels 13 and 13 in front, and to be horizontal in the middle of the vertical supporting columns. Tool bar 1 with box section in the direction
4 is welded, and an infusion device 15 including a fertilizer tube 9 is supported on both end surfaces of the toolbar 14. In addition, the small-sized management machine injects the paste fertilizer into the soil by the fertilizer application pipe 9 of the infusion device 15 while performing the forward movement by the wheel 16, and performs the topdressing operation. Further, 17 when performing top dressing operations on only one side of the ridge, a bracket for fixing the other end of the flexible pipe is attached to the bracket 17a.

The power transmission path of the present invention will be described with reference to FIG. 4. From the engine pulley 21 mounted on the crankshaft of the engine 20 to the main pulley 23 by the V belt 22.
Is transmitted and received by the tension pulley 24 as a main clutch. PTO sprockets 26, 3 are provided at both ends of the main shaft 25 to which the main shaft pulley 23 is fixed.
1 is fixed, and the PTO sprocket 26 transmits the same rotational speed to the feed pump sprocket 27 via the chain. On the other hand, the PTO sprocket 31 at the other end is reduced by half through the chain through the speed reducer sprocket 32 and transmitted to the speed reducer 33. In the reduction gear 33, the input shaft 3
4 is further reduced by 減速 between the output shaft 35 and the reduction gear 33
Are transmitted to the output shaft sprockets 35a and 35b outside the shaft. From the output shaft sprocket 35 a, the speed is reduced to に by the distribution valve sprocket 37 via the two-stage sprocket 36 that idles with respect to the input shaft 34 and transmitted to the distribution valve 8. On the other hand, through the intermediate shaft 38 from the output shaft sprocket 35b at the other end, transfer us Is <br/> is 1/2 the drive shaft 39 is decelerated to. There are universal joints 40 at both left and right ends of the drive shaft 39, which are transmitted to the left and right infusion sprockets 41 via the inclined shafts, respectively, and further transmitted to the upper upper crank arm sprocket 42. Thus, by disposing the reduction gear 33 in a space close to each device, the main shaft 25
Of power to the supply pump 7 and 1/1 to the distribution valve 8
6. It is now possible to transmit a branch to the infusion machine at 1/8 rotation speed. As shown in FIGS . 5 and 6 , the speed reducer sprocket 32 and the input shaft 34 are connected to a small boss hole provided in a part of the circumference of a hub 45 fixed to the input shaft 34 by a pin and a speed reducer. The power is transmitted by manually inserting the headed pin 46 into a hole corresponding to the hole on the circumference of the machine sprocket 32, and the headed pin 46 is manually transferred to the speed reducer sprocket 32.
Power is cut off by pulling out only the plate thickness. Two fixing holes 47, which are opened at right angles to the axial direction of the small boss, are holes for fixing the position of the headed pin 46 at the time of contact and disconnection, respectively. Also, the supply pump sprocket 27 and the supply pump 7
With regard to the relationship with, the pin clutch system with the exact same structure is adopted, and both are manually connected and disconnected.

The details of the infusion device 15 will be described with reference to FIG.
Universal joints 40 are connected to both left and right ends of the drive shaft 39, and one of a plurality of round holes of the tool bar 14 on the same line as the rotation center 51 is provided with a sector plate mounting bolt 52.
Thus, the corners of the sector plate 53 are attached. Sector 5
3, two fan-shaped grooves 54 are formed on the outer circumference of the tool bar 3 in concentric circles centering on the rotation center 51, and a plurality of adjusting holes 56 are formed in a bracket 55 at the tip of the toolbar 14. It is tightened by 58 to determine the inclination angle of the fertilizer application tube 9. As shown in FIG. 7, a U-shaped fertilizing tube support 59 is welded inward from the fan-shaped plate 53 and supported by a columnar box-shaped column to support a driving unit of the fertilizing tube 9 described later. Regarding the inclination angle of the fertilizing tube 9, the center of the fan-shaped plate mounting bolt 52 and the center of rotation of the universal joint 40 are exactly on the same line.
It can be selected at any angle, but if the space between the left and right fertilizer application tubes 9 is widened according to the ridge width, the adjusting bolts 58,
The position of 58 is moved to the adjustment hole 56 on the outside of the bracket 55 to determine the angle, and then tightened. At this time, an extension universal joint 60 is interposed in the universal joint 40 as shown in FIG.

In order to efficiently inject the fertilizer pipe 9 without dragging the fertilizer application pipe 9 in the soil while the main body of the small-sized management machine moves forward, the injecting device 15 is provided with the universal joint 40 via the universal joint 40 as described in the transmission path. Point injection machine sprocket 41,
A combination of an upper crank arm 63 and a lower crank arm 64, which are respectively engaged with the upper crank arm sprocket 42 having the same rotation speed, is set so that the tip of the fertilizer application tube 9 operates within a plane close to a predetermined inclined surface. There is.

The drive mechanism of the infusion device 15 will be described with reference to FIGS. 7, 9, 10 and 12. The power transmitted from the universal joint 40 is the infusion device sprocket 41.
Drive the upper crank arm sprocket 42 and drive the infusion shaft 65 supported by the two ball bearings 67 in the holder 66 of the fertilizer support 59, and the other end of the infusion shaft 65 has a box-shaped cross section. The boss portion of the lower crank arm 64 is fixed by a tightening bolt 68. The upper crank arm 63 is also fixed by the same structure.

A hole that engages with the shaft 71 at the end of the lower crank arm 64 is a horizontal elongated hole 76 so that the shaft 71 can move in the horizontal direction. That is, as shown in FIG. 11 , the shaft 71 can be fixed with the nut 70 by changing the position so that the rotation radius of the lower crank arm 64 becomes from R1 to R2. At this time, the shaft 7 of the lower crank arm 64
Since the cylinder 69 is incorporated in the through portion of the lower crank arm 64 for the length of the inner width of the lower crank arm 64, the box-shaped cross section does not deform when the nut 70 is tightened.

Left and right side plates 73, 7 having vertical slots 77
3, the U-shaped plates 72, 72 are fitted and fixed at an interval substantially equal to the width of the vertical elongated hole 77 , and the fertilizer tube 9 is fitted and fixed to the rear U-shaped plate 72, and the shaft The washer and the vertical elongated hole 77 are loosely fitted to the other side of the flange 71a.
After that, the washer is overlapped with the shaft end and is fastened with the bolt 79, whereby the fertilizer application tube 9, the U-shaped plate 72 and the side plate 73 are integrally regulated in the horizontal direction with respect to the shaft 71. The vertical direction is 77
It can move freely until it comes into contact with the upper and lower ends.

The small tiller this machine travels valleys between ridges, if towards the middle slope ridges <br/> dispenses the point at fertilization tube 9 to,
When pouring into a flat field, fertilization cannot be applied to a predetermined depth unless the fertilization tube 9 is lengthened. In that case, the nozzle 9a at the tip of the fertilization tube 9 is removed, and the tip is extended by the adapter 74 and then Work is performed by mounting the nozzle 9a . Also,
FIG 11 fertilization tube 9 trajectory radius of rotation of the fertilizer tube 9 leading end of the case of R1 of the lower crank arm 64 in standard lengths T1
A locus T2 of the tip of the fertilizer application tube 9 when the fertilizer application tube 9 is lengthened by the adapter 74 and the radius of rotation of the lower crank arm 64 is R2 is shown. In any case, by appropriately selecting the turning radii of the upper crank arm 63 and the lower crank arm 64, the drag of the tip of the fertilizing tube 9 in the soil is reduced by the degree of freedom of the vertical elongated hole 77.

Further, when the additional fertilization work in the house progresses and when only one ridge is spotted at both sides of the house, the upper bolt 79a on the opposite side and the lower bolt 79 on the opposite side are removed, and the fertilizer application pipe is applied. 9, side plates 73, 73 and U-shaped plates 72, 7
2, the upper and lower crank arms 64 are removed, and the fertilizer application tube 9 is supported by the metal fitting 17 near the handle with the nozzle 9a inserted into the paste tank 6 (see FIG. 1).
Irradiation), paste fertilizer has been supplied by the supply pump 7 and distributor valve 8 enables <br/> Mino point Note pieces ridges while returning to the paste tank 6, a point for all locations of the field, or in the house Topdressing work by pouring has become mechanized.

[0017]

Industrial Applicability According to the present invention, a fertilizer application machine in which a front support column 12 is erected on a machine body having a traveling device, and dot-like fertilizer application devices for vertically moving fertilizers on both sides of the front support column 12 are mounted. And a horizontal horizontal tool bar 14 on the front support column 12.
Setting only, both end portions of the front Symbol toolbar 14 the point-like fertilizing device
In addition , lateral tilt adjustment is performed around the rotation fulcrum in the front-back direction
With fixably mounted, the pivot center 51, 51 of the universal joint 40, 40 interposed at both sides of the drive shaft 39 for driving the dot-like fertilizing device, the rotation center 53 of the point-like fertilizing device By arranging them on the same axis line so as to be in the machine front-back direction, the angle of inclination of the point-like fertilizer application can be set to an arbitrary angle.
Since it is configured so that it can be selected according to the degree, the paste fertilizer can be efficiently used so that the fertilizer can be absorbed most easily in the rhizosphere regardless of various conditions such as the narrowing of the working ridges and the inclination angle of the ridge slope.
It has become to be able to Ku fertilization. Further, even if arbitrarily changing the inclination angle of the fertilizer tube can be any hindrance to the transmission of power to drive without <br/>, and the workability is improved.

[Brief description of the drawings]

FIG. 1 is an overall side view of a fertilizer application device.

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

FIG. 3 is a perspective view of a support fitting.

FIG. 4 is a transmission system diagram of the fertilizer application device.

FIG. 5 is a sectional view of a pin clutch.

FIG. 6 is an exploded perspective view of the pin clutch.

FIG. 7 is a rear view of the infusion device.

FIG. 8 is a perspective view of a fertilizer tube support frame.

FIG. 9 is a side view of a lower crank portion.

FIG. 10 is a sectional view of a lower crank portion.

FIG. 11 is a trajectory diagram of a fertilizer tube tip.

FIG. 12 is a sectional view showing another example of a universal joint.
It is .

[Explanation of Codes] 4b Rear Strut 6 Paste Tank 7 Supply Pump 8 Distribution Valve 9 Fertilizer Pipe 12 Front Strut 13 Stabilizer Wheel 14 Toolbar 15 Pointing Device 25 Spindle 40 Universal Joint 51 Rotation Center 52 Fan Plate Mounting Bolt 53 Fan Plate 55 Bracket 59 Fertilizer pipe support 60 Extension universal joint

Claims (1)

(57) [Claims] 1. A fertilizer applicator in which a front pillar 12 is erected on a machine body having a traveling device, and dot-like fertilizer devices for vertically moving the fertilizer on both sides of the front pillar 12 are attached. only set a substantially horizontal lateral toolbar 14 to the front pillar 12, the both end portions minutes before Symbol toolbar 14 the point-like fertilizing device, of the aircraft
While lateral tilting adjusting fixably mounted around the longitudinal direction becomes the pivot point, the universal joint 40, 40 of the pivot center 51, 51 interposed at both sides of the drive shaft 39 for driving the dot-like fertilizing device , rotation of the point-like fertilizing device center 5
3 and that is disposed on the same axis in order to airframe longitudinal direction
You can choose the angle of inclination of the above-mentioned point fertilizer application to any angle.
A point-type fertilizer applicator characterized by being configured as described above .