JPH11285309A - Fertilizer application device of fertilizer application machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To apply a fertilizer only to a levee on either one side of the left and right sides of the levees at the outermost end of a field while maintaining the left and right balance of a machine body in a fertilizer application machine for applying the fluid fertilizer forcibly fed from fertilizer application nozzles with a pump interlockingly with lifting and lowering operations of the fertilizer application nozzles provided on both sides of a mobile machine body. SOLUTION: This fertilizer application device of a fertilizer application machine is obtained by attaching fertilizer application nozzles and a pump 35 to a power transmitting part for lifting, lowering and driving the fertilizer application nozzles of the fertilizer application machine, composing the fertilizer application nozzles and the pump 35 so as to be integrally liftable, lowerable and regulable with the power transmitting part, installing a changeover means 44 in a driving part 39 for the pump 35 and enabling the stop of the forced feed of a fluid fertilizer to the fertilizer application nozzle on either one of the left and right sides by operation of the changeover means 44.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer that fertilizes fluid fertilizer pumped from a fertilizer nozzle by a pump in conjunction with a lifting operation of fertilizer nozzles provided on both sides of a traveling machine body. More specifically, the present invention relates to a fertilizer application device of the fertilizer applicator.

[0002]

2. Description of the Related Art Conventionally, Japanese Unexamined Patent Publication No.
As disclosed in Japanese Unexamined Patent Application Publication No. 5-74221 and the Japanese Patent Application Laid-Open No. 5-74221, when the fertilizing nozzle is driven into the ground in conjunction with the elevating operation of the fertilizing nozzle provided on both sides of the traveling machine body, the fertilizing nozzle is pressure-fed from the pump. It is a fertilizer equipped with a point-like fertilizer to fertilize the fluid fertilizer into the ground at predetermined intervals,
A front support is erected on the traveling body, and a substantially horizontal toolbar is attached to the front support, and the point-like fertilizer is mounted on both ends of the toolbar so as to be capable of adjusting the lateral tilt, and fertilizer is applied on both left and right sides. Fertilizer applicators are already known.

[0003]

When the fertilizing nozzle is driven into the ground in conjunction with the raising / lowering operation of the fertilizing nozzles provided on both sides of the traveling machine, the pump is pumped from the pump. Fertilizers equipped with point fertilizers that fertilize fluid fertilizer into the ground at predetermined intervals are applied to the left or right unnecessary side when fertilizing the furrow at the outermost end of the field. Useless fertilizer will be applied.

Accordingly, an object of the present invention is to make it possible to apply fertilization only to the necessary side when fertilizing the furrow at the outermost end of the field.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has been described in connection with the elevating operation of a fertilizing nozzle (13) provided on both sides of a traveling body (1). In a fertilizer that fertilizes fluid fertilizer pumped by a pump (35) from (13) into the ground, a power transmission unit (12) that drives the fertilizer nozzle (13) up and down and a fertilizer nozzle (13) and a pump ( 35), the fertilizer application nozzle (13) and the pump (35) are configured integrally with the power transmission unit (12) so as to be adjustable up and down, and switching means is provided for the drive unit (39) of the pump (35). (44)
By operating the switching means, it is possible to stop the pumping of the fluid fertilizer to either the left or right fertilizing nozzle (13).

(Operation) With the above structure, the traveling body (1)
When the fertilizer is applied to the outermost ridge of the field while moving forward, the switching device is operated so that the operation of the pump (35) on only one of the left and right unnecessary sides is stopped. ), The switching means (4) provided in the drive section (39).
When the fertilizer application is performed by switching in 4), the pump (35) on the side
When the drive is cut off, the pumping of the liquid fertilizer to the fertilizer nozzle (13) is stopped, and fertilization can be performed only on the required side.

[0007] The reference numerals in parentheses are for comparison with the drawings, but do not limit the configuration of the present invention.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to preferred embodiments shown in the drawings. 1 to 3, reference numeral 1 denotes a traveling body of a fertilizer applicator. An engine 4 is mounted on a front portion of a body frame 3 having left and right traveling wheels 2, and a fertilizer tank 5 and a fuel tank are provided above the engine 4. 6 and so on are provided. 7 is a safety frame, 8
Is a cover body, and 9 is a fertilizer receiving plate. A tail wheel 10 is mounted on the rear end of the body frame 3, and an operation handle 11 is erected above the tail wheel 10.

Reference numeral 12 denotes a power transmission unit from the engine 4;
Are fertilizing nozzles provided on both left and right sides of the machine body.
Up and down along the guide groove 15. A conduction case 16 covers the power transmission unit 12.
, A fertilizer application nozzle 13 and a pump 35 are attached.

The transmission case 16 has a long hole 3b formed at an upper and lower position of a frame 3a standing upright at a rear portion of the traveling body 1.
And a plurality of mounting holes 3c.

The power transmission unit 12 includes a transmission case 17
The input shaft 18 supporting the drive pulley 18a on the side and the transmission shaft 1 supporting the driven pulley 19a on the power transmission section 12 side
The transmission shaft 19 is connected via a chain transmission mechanism 22 to a crankshaft 21 provided on the upper side of the transmission case 16. 23 is a chain sprocket provided on the crankshaft 21.

Reference numeral 25 denotes a tension pulley of the belt transmission mechanism 20. The tension pulley 25 is connected to an operation lever 26 provided on the operation handle 11 by a wire 27. Intermittent power.

A rotating shaft 29 of a crank arm 28 is connected to both sides of the crankshaft 21 via a joint 30, and a connecting rod 3 connected to the crank arm 28.
The fertilizer application nozzle 13 is attached to one end.

The guide plate 14 is supported by the rotating shaft 29, and the protruding rod 13 a of the fertilizing nozzle 13 is slidably fitted into the guide groove 15 of the guide plate 14, and the rotation of the crank shaft 21 is performed. The fertilizer application nozzle 13 moves up and down along the guide groove 15.

Reference numeral 35 denotes a plunger-type pump connected to the fertilizer tank 5 via a fertilizer delivery pump 36. The fertilizer delivery side of the pump 35 is connected to the upper end of the fertilizing nozzle 13 via a hose.

Reference numerals 38 and 38a denote cams provided on the crankshaft 21, and reference numerals 39 and 39a denote arms which swing up and down by rotation of the cams 38 and 38a.
a pushes down the head 40a of the plunger shaft 40 of the pump 35, and sends out fertilizer when the fertilizer application nozzle 13 enters the soil.

The structure of the cams 38 and 38a will be described in detail. As shown in FIGS. 4 and 5, right and left independent arm drive shafts 41 and 41a are supported on the transmission case 16 behind the crankshaft 21. Have been.

Transmission case 1 for arm drive shafts 41, 41a
6, an arm 4 holding a rotating body 42 at the tip thereof
3, 43a are fixed, and the outside of the transmission case 16 is engaged with the boss of the arms 39, 39a via a spline shaft.

The rotation of the crankshaft 21 causes the cam 3
8, 38a rotate, and arm drive shafts 41, 41a to which the arms 43, 43a holding the rotating body 42 in contact with the cams 38, 38a are fixed intermittently swing, and the arms 39, 38a are rotated.
39a is moved up and down in conjunction with the up and down movement of the fertilizing nozzle 13.

As shown in FIG. 4, the bosses of the arms 39 and 39a have splines having inner diameters of the arm drive shafts 41 and 39a.
41a is slidably engaged with the arm 3a.
A latch 44 urged by a spring 48 is disposed between the arm drive shafts 41 and 41a, and the tip of the latch 44 penetrates the boss portion and is provided at two positions inside and outside the arm drive shafts 41 and 41a in the axial direction. The arm 3 is inserted into one of the holes 45 and 46 and
9, 39a are positioned.

That is, by operating the latch 44, the arm 39,
When the position of the arm 39a is switched between the inside and the outside, and the arms 39, 39a are in the inner through-hole 45, the lower end portions of the arms 39, 39a are in a position in contact with the head 40a of the plunger shaft 40 and are in the outer through-hole 46. At this time, the arm 39, 39a on the side of the plunger shaft 40 is configured to move up and down in space even when the crankshaft 21 rotates, even when the crankshaft 21 rotates.

With the above configuration, when the traveling body 1 is moved forward and the outermost ridge of the field is fertilized,
One of the right and left arms 39 corresponding to the outside of the field,
When the position of 39a is fixed to a position outside the arm drive shafts 41, 41a, the pump on that side does not operate and does not send out fertilizer, and only the pump 35 on the opposite side operates to apply fertilizer to the fertilizer application nozzle 13. Send out.

[0023]

According to the present invention, there is provided a fertilizer which fertilizes fluid fertilizer pumped by a pump from the fertilizer nozzle into the ground in conjunction with a lifting operation of a fertilizer nozzle provided on both sides of the traveling machine body. A fertilizer application nozzle and a pump are attached to a power transmission unit that drives the nozzle up and down, and the fertilization nozzle and the pump are configured to be integrally adjustable with the power transmission unit, and switching means is provided in a drive unit of the pump. By operating the switching means, it is possible to stop the pressurization of the fluid fertilizer to one of the left and right fertilizing nozzles, so that the left and right ridges of the outermost ridge of the field are maintained while maintaining the left and right balance of the device. Fertilizer application is now possible, and waste of fertilizer has been eliminated.

[Brief description of the drawings]

FIG. 1 is an overall side view of a fertilizer applicator.

FIG. 2 is a side view of the fertilizer application mechanism.

FIG. 3 is an overall rear view of the fertilizer applicator.

4 is a sectional view of a power transmission unit of the fertilizer applicator, (a) is an overall view, and (b) is a side view of an arm.

FIG. 5 is a right side external view of a power transmission unit of the fertilizer applicator.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 traveling body 2 traveling vehicle transportation 3 body frame 4 engine 5 fertilizer tank 6 fuel tank 11 operation handle 12 power transmission unit 13 fertilization nozzle 16 conduction case 18 input shaft 19 conduction shaft 35 pump 38 cam 39 arm 40 plunger shaft 44 latch

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Osamu Akika, Inventor Osamu Iya-machi, Higashi-Izumo-cho, Yatsuka-gun, Shimane 1 Inside Mitsubishi Agricultural Machinery Co., Ltd. Address 1 Inside Mitsubishi Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A fertilizer that fertilizes fluid fertilizer pumped by a pump from the fertilizer nozzle into the ground in conjunction with an elevating operation of a fertilizer nozzle provided on both sides of a traveling machine body, wherein the fertilizer nozzle is driven up and down. A fertilizer nozzle and a pump are attached to a power transmission unit to be driven, and the fertilizer nozzle and the pump are configured so as to be able to move up and down integrally with the power transmission unit, and a switching unit is provided in a drive unit of the pump, and the operation of the switching unit is performed. The fertilizer applicator makes it possible to stop the flow of fluid fertilizer to one of the left and right fertilizer nozzles.