JPH0438362B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a riding-type fertilizer applicator.

A riding-type fertilizer applicator is used in which a fertilizer dispensing device is attached to a traveling vehicle body equipped with an engine and running wheels, and the fertilizer is dropped into the field through a hose whose lower end faces the fertilizing position in the field. However, with conventional fertilizer applicators of this type, the hoses often become clogged, making it difficult to apply fertilizer properly.

In order to prevent the above-mentioned hose clogging and ensure reliable fertilization, this invention uses air to transport fertilizer semi-forcibly, and the equipment necessary for this is installed in a compact manner. The present invention provides a fertilizer applicator that has the following features.

That is, the riding-type fertilizer applicator according to the present invention is provided with a fertilizer etc. dispensing device connected to a discharge port facing the field by a pipe body on the side of the seat, and conveys the fertilizer etc. dispensed by the dispensing device. The system is characterized in that an air tank for storing air is installed in an enclosure below the seat, and a blower for supplying air to the air tank is installed on the side of the engine.

The embodiments shown in the drawings will be described below. FIG. 1 is a side view showing one example of a fertilizer application machine according to the present invention, and FIG. 2 is a plan view thereof. It is configured as a fertilizer and rice transplanter.

An engine 3 is installed in the front of a transmission case 2 of the fertilizer applicator 1, and chain cases 4 projecting rearward are provided on both left and right sides of the transmission case 2. A rear wheel 5 is pivotally supported at the rear end of the chain case 4, and a front wheel 6 is provided at the front of the fuselage so that its direction can be changed. The engine 3 is covered by a bonnet 7, and a step member 9 is provided on the outer periphery of the fuselage.

The driver's seat 10 has a U-shaped seat frame 1 when viewed from above.
1 above the rear wheel 5, and this seat 1
A feeding device 14 equipped with a fertilizer tank 13 is provided on both sides of the fertilizer tank 0. The feeding device 14 includes feeding rolls 15, 1 having grooves 15a formed on the outer peripheral surface.
5, and by the rotation of this feed roll 15, an appropriate amount of granular fertilizer in the fertilizer tank 13 is delivered to the hopper 1.
6. The feeding device 14 is attached to the fuselage by a support frame (not shown), and the feeding devices 14, 14 on both sides are connected to each other by a single rotating shaft 17 passing through the rear of the seat. The rotational power for rotating the feed roll 15 is transmitted from a power transmission shaft 20 for driving the rice transplanting device that protrudes rearward from the transmission case 2 to a power transmission device 23 via chain wheels 21, 21' and a bevel gear device 22. Each feed roll 15 is rotated by this power.

A parallel linkage device 25 is provided at the rear of the fuselage. As shown in FIG. 3, the parallel link device 25 includes front and rear vertical members 26, 27 and one upper link 29.
and a pair of left and right lower links 30, 30,
The respective members are connected to each other with pins.
The upper link 29 is provided with a downward protrusion 31,
This protrusion 31 is the hydraulic cylinder 33 of the lifting device 32.
It is connected to the mission case 2 by.
The lower end of the front vertical member 26 is pivotally connected to a connecting pipe 35 that connects the left and right chain cases 4, 4. A rice transplanting device 40 for planting four rows is connected to the rear end of the parallel link device 25 via a rolling shaft 37. By expanding and contracting the hydraulic cylinder 33 of the lifting device 32, the rice transplanting device 40 can be moved up and down. Furthermore, the rice transplanting device 40 can freely rotate left and right by rotating the rolling shaft.

The rice transplanting device 40 includes a transmission case 41 that also serves as a rice transplanter frame, and a seedling mounting table 42 is attached above the transmission case 41 to be movable back and forth from side to side with the front side facing upward. There is.
43 is a guide rail supported by a support 43a, and the seedling mounting table 42 is attached to this guide rail 43.
Move left and right along. At the rear of the transmission case 41, there is a seedling planting rod 4 with a seedling planting claw 44 fixed to the tip.
5, and a planting device 47 having a swing crank 46 that drives the planting rod 45 so that its tip swings up and down in an elliptical orbit.
Further, below the transmission case 41, a center float 50 and a pair of left and right side floats 51, 51 are provided so as to be rotatable in the vertical direction. 52
is a detection hydraulic valve that detects the vertical position of the central float 50, and when the central float 50 moves upward and pushes up the spool of this hydraulic valve 52,
When the piston rod 33a of the hydraulic cylinder 33 protrudes and the central float 50 rotates downward, the piston rod 33a retracts.

The power of the rice transplanting device 40 is transmitted from the transmission shaft 20 to a power transmission device in the transmission case 41 via a universal joint, and drives the lateral movement device 54 of the seedling mounting table 42 and the planting device 47. The seedling mounting table 42 is divided into four sections corresponding to the four planting rods 45. During the work, a flat plate-shaped seedling pine with soil is placed in each section, and as the seedling mounting table 42 moves laterally, the planting rod 45 receives the seedlings one by one from the lower end of the seedling pine and places them on the field. I'm going to go. When the seedling mounting table 42 reaches the end of the left and right movement range, the seedling pine is sent downward by the vertical feeding device, and planting continues. In addition, on both sides of the front part of the machine body, a spare seedling mounting table 58 is provided, the lower end of which is supported by a support 57 fixed to the machine body.

As shown in FIGS. 4 and 5, a blower 60 is attached to the side of the front part of the body where the engine is installed. As the blower 60, a turbo fan is used in the illustrated example, and the blower 60 is connected from the output shaft 3a of the engine 3 to the pulleys 61, 62 and the belt 6.
It is rotated by the power taken out through 3 and supplies air through the air hose 64. Pulley 6
A tension pulley 65 is provided between 1 and 62, and is normally pressed against the belt 63 by a spring 66 to apply tension to the belt 63. When the belt 63 is lifted, the belt 63 is loosened and power transmission to the blower 60 is cut off. Note that as the blower, other suitable models such as a Roots blower may also be employed.

The air hose 64 passes under the step member 9 and is connected to an air tank 70 installed within the seat frame 11, as shown in FIG.
The seat frame 11 functions as an enclosure for protecting the air tank 70. Four discharge ports 7 of air tank 70
1, 71, . . . are air hoses 72, 72, .
hopper 16 of said feeding device 14 respectively.
It is connected to a loading device 75 provided directly below the. The feeding device 75 is for guiding the fertilizer fed out by the feeding device 14 into the conveying hoses 76, 76, . An air hose 72 and a transfer hose 76 are connected to both ends of the connecting pipe 79, respectively, and a receiver 77 is connected to the outer periphery.

The lower end of the conveyance hose 76 is shown in FIGS.
As shown in the figure, it is connected to a discharge port 81 fixed inside the groove creator 80. The groove cutter 80 is formed into a boat shape by two side plates 80, 80b and a bottom plate 80c, and the upper end of a support plate 82 integrally provided at the front portion is fixed to a horizontal bar 83. 2 groovers 8
An arm 85 of a vertical adjustment rod 84 is fixed to the middle part of the horizontal bar 83 that connects the vertically adjusting rods 84 and 80. The vertical adjustment rod 84 is slidably fitted into the cylindrical portion 87 of a support 89 that is fixed to the transmission case 41 and includes a support member 86 and a cylindrical portion 87, and is fitted with a fixing pin 90.
It is fixed by. By changing the pin holes 91, 91, . . . into which the fixing pins 90 are inserted, the vertical position of the groove creator 80 can be adjusted. This groove creator 80 has floats 50 and 51 at its bottom.
The machine is supported so that it is below the bottom of the field, and as the machine advances, it forms a groove in the field.

When using this fertilizer applicator 1, fertilizer is put into the fertilizer tank 13, and the engine 3 is started to drive the rear wheels 5, which are drive wheels, the feeding device 14, the blower 60, the rice transplanting device 40, and the like. The fertilizer in the fertilizer tank 13 is
It is fed out into the hopper 16 in appropriate amounts by the feeding roll 15, and transferred to the conveying hose 7 by the feeding device 75.
Supplied within 6 days. On the other hand, since air is supplied to the transport hose 76 from the air tank 70, the fertilizer loaded into the transport hose 76 is carried downward by gravity and wind power, and is delivered to the field by the trencher 80. This ensures that it falls into the groove that has been formed. The groove after fertilization is filled with floats 50 and 51, and seedlings are planted near them using a planting rod 45.

This fertilizer applicator 1 uses wind power from the blower 60 to forcibly transport the fertilizer, so that clogging of the transport hose and the like is less likely to occur, and the fertilizer is reliably supplied to the field. Since the blower 60 is installed on the side of the engine, the power can be easily extracted. An air tank 70 that stores air supplied from the blower 60 is installed below the seat 10, and an air hose 64 connecting the blower 60 and the air tank 70 is routed through the bottom of the aircraft, so that the air tank 70 and the hose do not get in the way. It has an excellent appearance. Since the air tank 70 is surrounded by the seat frame 11, accidents such as damage and rusting are less likely to occur. In addition, since the feeding device 14 for applying fertilizer, etc. is supported on the side of the seat installed directly above the rear wheels, it is easy to replenish fertilizer and monitor the fertilizer tank, and it is possible to prevent imbalance due to increase or decrease in fertilizer. Hard to occur. In addition, in the illustrated example, the groove making device is provided at the rear of the machine, so the conveying pipe 76
The total length can be shortened and the slope can be made steep,
Fertilizer clogging is less likely to occur.

As explained above, the fertilizer applicator according to the present invention is less prone to clogged hoses and has a compact structure. It is clear that this fertilizer applicator can be used as a seeding machine, a chemical spreader, etc.

[Brief explanation of drawings]

1 and 2 are a side view and a plan view showing one example of the fertilizer applicator according to the present invention, FIG. 3 is an explanatory diagram of the lifting device, and FIGS. 4 and 5 show a part of the blower installation part. A plan view and a side view shown in cross section, FIG. 6 is a sectional view taken along line AA in FIG. 5, and FIG.
The figure and FIG. 8 are a side view and a plan view of the groove creator support section. 1...Fertilizer, 2...Mission case, 3...
...Engine, 4...Chain case, 5...Rear wheel, 10...Seat, 11...Seat frame, 1
3...Fertilizer tank, 14...Feeding device, 40...
Rice transplanting device, 42... Seedling mounting table, 45... Planting rod,
50... Central float, 51... Side float,
60...Blower, 64...Air hose, 70...
Air tank, 76...transport hose, 80...grooving device, 81...discharge port.

Claims (1)

[Claims] 1. A fertilizer etc. dispensing device connected by a pipe to an outlet facing the field is installed on the side of the seat, and an air tank for storing air for transporting the fertilizer etc. dispensed by the dispensing device is installed under the seat. A riding-type fertilizer applicator characterized in that it is installed in an enclosure provided in the air tank, and a blower for supplying air to the air tank is installed at a position to the side of the engine.