JPH0724011Y2 - Transmission in fertilizer applicator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a transmission in a fertilizer applicator for fertilizing a shallow layer and a deep layer in soil.

(B) Conventional Technology Conventionally, fertilizer applicators for fertilizing shallow and deep layers in soil have already been known.

(C) Problem to be Solved by the Invention In the known fertilizer applicator, fertilizer to be applied to a shallow layer and fertilizer to be applied to a deep layer are delivered by a delivery device driven through a single transmission to apply fertilizer. Therefore, the ratio of the amount of fertilizer applied to the shallow layer and the amount of fertilizer applied to the deep layer is constant, and it is not possible to apply fertilizer suitable for different types of crops or different field conditions.

When the delivery devices were separately provided to solve such a problem, the shifting operation became troublesome.

(D) Means for Solving the Problems The present invention sends the fertilizer in the fertilizer tank to the upper-stage fertilizer pipe 7 and the lower-stage fertilizer pipe 8 that have entered the soil by a delivery device, and a shallow layer in the soil, In a fertilizer applicator adapted to apply fertilizer to a deep layer, a transmission device that is transmitted to an upper stage delivery device and a transmission device that is transmitted to a lower stage delivery device are provided with an operation surface on which gear shift operation means of both transmission devices project. By arranging them vertically so as to form a substantially L shape, and arranging both operation surfaces vertically in close proximity so that the transmission means of the other transmission can be operated from the operation surface of one transmission, The above-mentioned problems were solved by making it possible to separately send the fertilizer to the shallow layer in the soil and to send the fertilizer to the deep layer, and to easily perform the shifting operation of both transmissions. .

(E) Action Each delivery device is driven via a separate transmission, which allows the amount of fertilizer applied to the shallow layer and the amount of fertilizer applied to the deep layer to be changed separately and freely. .

Further, when the fertilizer application amount is adjusted separately, the gear shifting operations of both gear shifting devices are close to each other, so that the gear shifting operation can be easily performed.

(F) Embodiment An embodiment of the present invention will be described with reference to the drawings. An engine 4 is provided at a front portion of an airframe 3 having front wheels 1 and rear wheels 2 on the left and right.
And a mission case are provided, and the planting device 5 is installed in the rear part.
A plurality of upper-stage fertilizer pipes 7 are connected to the planting device 5 via a point link 6 so as to move up and down and penetrate into a shallow layer in the soil.
.. and lower stage fertilizer pipe 8 which penetrates deeper layers and fertilizes downward between a pair of upper stage fertilizer pipes 7, 7 as shown in FIG.
And a plurality of sets are attached corresponding to the planted bodies 9 ...

Then, the lower stage fertilizer tank 11 is attached to the side of the driver's seat 10, and the upper stage fertilizer tanks 12 and 12 are installed on both sides of the engine 4 with side steps separated from each other. The lower stage pump 13 including a plurality of screw pumps is attached to the lower side of the machine body 3 on the lower side of the machine body 11, and the upper stage pump 14 including a plurality of screw pumps is attached to the lower side. 11, the discharge port is connected to the suction port of the lower stage pump 13 by the suction hose 15, and the respective discharge ports of the lower stage pump 13 are connected to the lower stage fertilization pipes 7 ... The discharge ports of the left and right upper stage fertilizer tanks 12 are connected by a merging pipe, and this merging pipe is connected to the suction port of the upper stage pump 14 by a suction hose 17, and the discharge ports of the upper stage pump 14 are respectively transfer hoses 18.・ By each upper stage Is connected to the fertilizer pipe 7 ...

Further, the lower-stage transmission 20 is provided on the center side of the machine width of the lower-stage pump 13 and above the upper-stage pump 14 and the upper-stage transmission 21.
As shown in FIG. 1, the main gearshift lever 22 and the sub gearshift lever 23 are projected to the a as shown in FIG.
A main transmission lever 25 and an auxiliary transmission lever 26 are provided as projecting gears on the upper surface of the upper transmission 14, i.e., the operation surface 21a.The operation surface 20a provided with these transmissions and the upper transmission When viewed from the front, the operation surface 21a provided with the speed change operation means of the speed change device 21 is close to the operation surface 21a and has a substantially L shape.

Reference numeral 27 denotes a PTO shaft that extends rearward from the mission case and is also transmitted to the planting device 5, and a sprocket provided in the middle of the PTO shaft has an input shaft 30 of the transmission 21 for the upper stage via a chain 28.
The input shaft 30 drives the input shaft of the lower gearbox 20 via the chain 31.

The output shaft 32 of the upper transmission 21 drives the input shaft 34 of the upper pump 14 via the chain 33, and the lower transmission 20
The output shaft 35 of is transmitted to the lower stage pump 13 via the chain 36.

In the drawing, 37 is a battery, 38 is a driving step,
Since the battery 37 is arranged between the lower gearbox 20 and the lower pump 13 as shown in FIG. 3, the battery 37 can be protected by both.

In the fertilized rice planting machine described above, the planting bodies 9 ... Move up and down to scrape the seedlings in the seedling mounting table one by one and plant them on the rice field. Is inhaled and discharged by the lower pump 13, which is the transfer hose.
The fertilizer is discharged from the lower fertilizer pipe 8 ...

In addition, the fertilizer in the upper stage fertilizer tank 12 is stored in the upper stage pump 14
Is inhaled and discharged through the transfer hose 18, and is discharged from the upper stage fertilizer pipe 7 ... into the mud soil that is slightly deeper than the root part on the side of the seedlings planted as shown in Fig. 4, but shallower than the fertilizer applied to the lower stage. Fertilized.

When the upper-stage pump 14 is shifted to increase or decrease the amount of fertilizer discharged from the upper-stage fertilizer pipe 7, the upper-stage transmission device 21
Operate the main shift lever 25 and / or the sub shift lever 26 of
When shifting the lower stage pump 13 to increase or decrease the amount of fertilizer discharged from the lower stage fertilizer pipe 8, the main shift lever 22 and / or the auxiliary shift lever 23 of the lower shift device 20 are shifted.

At this time, since the speed change levers 22 and 23 of the lower speed change gear 20 and the main speed change levers 25 and 26 of the upper speed change gear 21 are arranged close to each other in a substantially L-shape, both speed change levers are It is possible to easily change the grip and operate the gear shift at substantially the same position.

In the above-described embodiment, an example in which a pump is used as the paste fertilizer delivery device has been described, but when the fertilizer is granular fertilizer, the delivery device is the delivery device.

Next, a means for preventing the straw or the like from being caught in the upper stage fertilization pipe 7 (or the lower stage fertilization pipe 8) will be described with reference to FIG. 6, and the upper stage fertilization pipe 7 (or the lower stage fertilization pipe 8) float 39 will be described.
It is possible to adjust the fertilization depth by pivotally supporting the shaft and screwing it with the bolt 40.
In the concave portion of the lower surface of the float 39, a holding plate 41 having a downward U-shape and extending obliquely rearward and downward is screwed by a bolt 42, and the tip of the holding plate 41 penetrates into the mud. Since it is wrapped on both sides of the upper stage fertilizer pipe 7 etc., straw and compost etc. that are trying to get caught in the upper stage fertilizer pipe 7 etc in the soil,
The front edge of the pressing plate 41 that has retreated with a gentle downward inclination is guided downward and pushed into the soil, so that the straw or the like can be prevented from being caught by the upper stage fertilizer tube 7 or the like.

(G) Effect of the Invention In the invention, as described above, the upper-stage fertilizer pipe 7 and the lower-stage fertilizer pipe 8 in which the fertilizer in the fertilizer tank has entered the soil by the delivery device.
In a fertilizer applicator that feeds soil to a shallow layer and a deep layer in soil, a transmission that transmits power to the upper-stage feeding device and a transmission that transmits to the lower-stage feeding device The operating surfaces on which the operating means are provided are vertically arranged so as to have a substantially L shape, and both operating surfaces are brought close to each other so that the operating surface of one transmission device can operate the transmitting means of the other transmission device. The upper and lower fertilizers are applied to change the amount of fertilizer applied to the upper stage or the amount applied to the lower stage to suit the type of crop, the depth of the cultivated soil in the field, or the soil properties, etc. The transmissions 20 and 21 of the transmission device for the vehicle can be shifted separately, and when operating the transmission means of the transmissions 20 and 21, the transmission levers of the respective transmissions are in an L-shaped proximity. The transmissions 20, 2
The shift levers 22, 23, 25, and 26 associated with 0 can be freely and extremely easily and quickly selected and operated at substantially the same position.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a front view of a pump and a transmission, FIG. 2 is a side view of the same, FIG. 3 is a plan view of the same, and FIG. FIG. 5 is a side view of the fertilizer application device, FIG. 6 is a side view of the dust entanglement prevention device, and FIG. 7 is a cross sectional view of the same. 3 ... Machine, 7 ... Upper stage fertilizer tube, 8 ... Lower stage fertilizer tube, 10
…… Driver's seat, 11 …… Lower stage fertilizer tank, 12 …… Upper stage fertilizer tank, 13 …… Lower stage pump, 14 …… Upper stage pump,
20 …… Lower gearbox, 21 …… Upper gearbox, 22,25
...... Main shift lever, 23,26 …… Sub shift lever

Claims (1)

[Scope of utility model registration request] 1. A fertilizer in a fertilizer tank is fed by a feeding device to an upper stage fertilizing pipe 7 and a lower stage fertilizing pipe 8 which are invading the soil so that fertilizer is applied to a shallow layer and a deep layer in the soil. In the fertilizer applicator, the transmission device that transmits power to the upper-stage delivery device and the transmission device that transmits to the lower-stage delivery device are configured such that the operation surfaces on which the gear shift operation means of both transmission devices project are substantially L-shaped. A transmission device in a fertilizer application, wherein the transmission devices are arranged vertically and the operation surfaces of one transmission device are vertically spaced apart so that the transmission means of the other transmission device can be operated.