JP2510458Y2 - Mounting structure of transmission in fertilizer applicator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a mounting structure for a transmission that shifts a fertilizer pump in a fertilizer applicator.

(Prior art) In general, mobile agricultural machines such as rice transplanters and seeders are equipped with fertilizer applicators that feed liquid fertilizer from a fertilizer tank provided on a traveling machine with a fertilizer pump at the same time as planting or sowing. Things are known.

(Problems to be solved by the present invention) Conventionally, in this type of fertilizer applicator, a fertilizer pump is provided at the rear of the fertilizer tank and is connected by a long suction hose.
Air bleeding operation of the fertilizer pump before starting work is troublesome,
After the work, there was a drawback that the fertilizer remaining in the suction hose was large and the fertilization work could not be performed smoothly.

Therefore, in order to bring the fertilizer pump close to the fertilizer tank to smoothly perform the fertilizer application, it is desirable to provide the fertilizer pump near the traveling wheels below the fertilizer tank. However, if the fertilizer pump is provided in the vicinity of the traveling wheels, there is a problem in that the gear shifting operation lever protruding from the transmission of the fertilizer pump is contaminated by dirt falling from the lugs of the traveling wheels, which makes it difficult to perform the gear shifting operation.

The present invention was devised in view of the above situation, and a fertilizer pump for liquid fertilizer can be provided near the traveling wheels to bring it closer to the fertilizer tank, and the mud falling from the lug body causes the gear shifting operation of the transmission. It is an object of the present invention to provide a mounting structure for a transmission in a fertilizer applicator, which can comfortably shift gears without the lever becoming dirty.

(Means for Solving the Problems) The technical means taken by the present invention to solve the above-mentioned problems is, in a fertilizer applicator for pumping and fertilizing liquid fertilizer from a fertilizer tank provided in a traveling machine body using the fertilizer pump. Is provided below the fertilizer tank, the transmission of the fertilizer pump is provided in the vicinity of the side surface of the traveling wheel, and the transmission is disposed so as to face the traveling wheel in an inclined manner, and diagonally downward from the case of the transmission. It is characterized in that the projecting speed change operation lever is hidden under the case.

Therefore, according to the present invention, the liquid fertilizer from the fertilizer tank provided on the traveling machine body is smoothly pumped and fertilized by the fertilizer pump provided below the fertilizer tank. Then, the fertilizer pump is shifted to adjust the amount of fertilizer applied by operating the transmission provided near the side surface of the traveling wheel. At this time, the gear shift operation lever that protrudes obliquely downward from the case of the transmission is hidden under the case of the transmission that is obliquely arranged facing the traveling wheels, so that mud and the like attached to the traveling wheels fall. Even if the gear shift operation lever is not soiled, the gear shift operation of the fertilizer pump can always be comfortably performed.

(Embodiment) Next, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

A multi-row planting rice transplanter 1 includes a traveling machine body 4 having traveling wheels including front wheels 2 and rear wheels 3, a driver seat 5 provided above the rear wheels 3, and a driver seat 5 Below the front part of the vehicle 5, a step 6 for getting on and off is attached to the body frame 7. 8 is a rear axle case, and 9 is a mission case. Behind the traveling body 4 is a planting rod.
A planting device 12 including a float 10, a float 11 and the like is attached through an elevating link 13 so that the planting rod 10 can plant seedlings as the machine body travels.

In addition, the shallow layer tank 14 installed at the front of the machine is
5, through the indicator 16, communicates with the shallow layer nozzle 17 provided in the vicinity of each row of the planted seedling a, and the fertilizer tank 18 for the deep layer is passed through the fertilizer pump 19 and the indicator 20 to the streak position of the planted seedling a. It communicates with the provided deep layer nozzle 21. Then, the liquid fertilizer that has been pumped is 3 to 3 from the shallow layer nozzle 17 and the deep layer nozzle 21.
A two-stage fertilizer applicator for soil fertilization in the upper and lower stages with a depth of 5 cm and a depth of 9 to 15 cm is configured.

In the fertilizer tank 18 for the deep layer, a tank stay 22 supporting a front end of the tank is fixed to a mounting position of step 6 of the machine body frame 7 through a bracket 23, and a tank stay 24 supporting a rear end of the tank is provided in the driver's seat 5. It is detachably attached to the lower surface side of the seat cover 25 fixed to the lower side, and the fertilizer tank 18 is located on the side of the driver's seat 5.
Reference numeral 26 is a connecting body that connects the tank stays 23 and 24 in a loop shape, and 27 is a mounting bolt for the bracket 23.

The fertilizer pump 18 for the deep layer is connected to the fertilizer tank 18 via a suction hose 28, and the fertilizer pump 19 is composed of two pumps 19a and a sub tank 29,
A suction hose 28 communicates with the sub tank 29.
Also, a flexible drain hose 30 is provided under the sub tank 29.
Is always connected and the drain hose is bent upwards at all times.
30 is locked and held by the hose hook 31. By disposing the fertilizer pump 19 in the vicinity of the rear wheel 3 via the left-right pump base 32 provided at the rear end of the machine body, the fertilizer pump 19 is located near the fertilizer tank 18 with a small head. Has become. Reference numeral 33 is a mounting bracket for fixing the pump base 32 to the rear axle case 8.

34 is a transmission provided below the fertilizer pump 19,
The pump base 32 is located near the rotation locus on the side surface of the rear wheel 3.
It is fixed to. The transmission 34 is arranged in an inverted shape with the gear shift operation lever facing downward, and is further arranged so as to face the rear wheel 3 in an inclined manner in a direction in which the lower end side thereof moves away from the case 34a of the transmission 34. Side rear wheel 3
The main gear shift operation lever 35 and the sub gear shift operation lever 36, which project obliquely downward toward the side, are hidden under the case 34a.

Reference numeral 37 is a PTO shaft of the traveling machine body 4, 38 is a lower intermediate shaft provided in conjunction with the PTO shaft 37, and the intermediate shaft 38 is interlockingly connected to the input shaft 39 of the transmission 34 to output the output of the transmission 34. By connecting the shaft 40 and the input shaft 41 of the fertilizer pump 19 in an interlocking manner, the rotation of the fertilizer pump 19 can be switched to two stages by the operation of the main shift operation lever 35, and the shift can be switched to four stages by the operation of the auxiliary shift operation lever 36. It is like this.

Reference numeral 42 is a connecting pipe that connects the fertilizer pump 19 and the indicator 20, and 43 is a connecting pipe that connects the indicator 20 and the deep nozzle 21. Reference numeral 44 denotes a switching valve lever provided on the indicator 20. By switching the switching valve lever 44, the liquid fertilizer pumped is returned to the fertilizer tank 18 via the return pipe 45.

In the above-mentioned configuration, if the traveling machine body 4 is run, the planting rod 10 performs seedling planting, and at the same time, the liquid fertilizer is applied from the shallow layer nozzle 17 and the deep layer nozzle 21 to the soil in two steps. can do. Since the fertilizer pump 19 is located near the fertilizer tank 18 with a small head, the suction hose 28 can be made short, and therefore when starting the work, liquid fertilizer is supplied from the fertilizer tank 18. By doing so, the air in the fertilizer pump 19 flows back through the suction hose 28 and is discharged into the fertilizer tank 18 without performing further air bleeding.

Then, during the work, even if the transmission 34 provided below the fertilizer pump 19 is located near the rotation locus of the side surface of the rear wheel 3, the transmission 34 arranged in the upside-down direction is inclined toward the rear wheel 3 side. Main shift lever 35 and sub shift lever 36 protruding downward
Since it is hidden under the case 34a, the mud that falls from the lug body 3a of the rear wheel 3 will not be absorbed by the main gear shift lever 35 and the sub gear shift lever.
It doesn't get polluted by 36 and can be comfortably shifted, and can always work efficiently with an appropriate fertilizer application rate. Further, after the work, since the residual amount of fertilizer in the suction hose 28 is small, it can be easily taken out from the drain hose 30 hung downward.

(Effect of the Invention) In summary, the present invention is a fertilizer applicator that pumps liquid fertilizer from a fertilizer tank installed on a traveling machine by a fertilizer pump to apply fertilizer. The transmission is provided in the vicinity of the side surface of the traveling wheel, and the transmission is arranged so as to face the traveling wheel in an inclined manner so that the gear shift operation lever projecting obliquely downward from the case of the transmission can be hidden below the case. Since it is configured, the fertilizer pump below the fertilizer tank can be located at a position close to the fertilizer tank with a small drop, and the fertilizer application can be performed smoothly. Even if the transmission of the fertilizer pump is located near the side surface of the traveling wheel, the transmission arranged diagonally downward toward the traveling wheel has a gearshift operation lever that protrudes obliquely downward to the side below the casing of the transmission. Since it is hidden in, the gear shift operation lever is not soiled by dirt falling from the traveling wheels. For this reason, the shift operation of the fertilizer pump can be comfortably performed, and the work can be performed efficiently always with an appropriate fertilizer application amount.

[Brief description of drawings]

FIG. 1 shows an embodiment of a structure for mounting a speed change device in a fertilizer applicator according to the present invention. FIG. 1 is an overall side view of a mobile agricultural machine provided with a fertilizer applicator, FIG. FIG. 4 is a partially enlarged side view, FIG. 4 is a partial rear view of FIG. 3, and FIG.
FIG. 6 is a side view of the main part, and FIG. 6 is a rear view of the same. In the figure, 3 ... rear wheels, 4 ... traveling body, 18 ... fertilizer tank, 19 ... fertilizer pump, 34 ... transmission, 34a ... case.

Claims (1)

(57) [Scope of utility model registration request] 1. A fertilizer applicator for pumping and fertilizing liquid fertilizer from a fertilizer tank provided on a traveling machine body with a fertilizer pump, wherein the fertilizer pump is provided below the fertilizer tank, and a transmission for the fertilizer pump is provided near a side surface of a traveling wheel. At the same time, the transmission is arranged so as to face the traveling wheels in an inclined manner, and a shift operation lever protruding laterally downward from the case of the transmission is hidden under the case. Mounting structure for transmission in fertilizer applicator.