JPH0612964B2 - Fertilizer applicator - Google Patents

Description

TECHNICAL FIELD The present invention relates to a fertilizer applicator used for fertilizing paddy fields and the like.

[Conventional technology and its problems]

A fertilizer applicator is known in which a fertilizer tank and a fertilizer feeding device are provided on a traveling vehicle body to perform fertilizer application while moving in a field.However, when fertilizing a paddy field using this type of device, fertilizer is used. It was difficult to hold the fertilizer at the desired fertilizer application position because of the outflow. In addition, the vicinity of the outlet for discharging the fertilizer to the fertilizing position was often clogged with mud or the like, and normal fertilization could not be performed.

[Means for Solving the Problems]

This invention is a fertilizer applicator that includes a fertilizer application device that supplies fertilizer through a transfer pipe into a groove formed in a field by a grooving device to solve the above problems, and a float that slides on a field scene. The grooving device is installed along a side part inside a recess formed in a side part of the float, and an overhanging portion that projects over a groove formed by the grooving device is a straight line rearward of a rear end of the grooving device. The fertilizer application device is characterized in that the fertilizer application device is characterized in that it is provided on the float so as to project from the side portion of the shape.

〔The invention's effect〕

According to the present invention, as described above, the grooving device is installed along the side of the concave portion formed on the side of the float, and the overhanging portion projecting on the groove formed by the grooving device is the grooving device. Since it is provided on the float by protruding from the linear side part behind the rear end, the mud discharged to the bottom surface side of the float when forming the groove with the groover moves from the side of the float to the groover. Extruded to the rear end side, the overhanging part following the straight side part of the float acts on this extruded mud to backfill the groove,
The fertilizer dropped into the groove formed by the groover is immediately overlaid with soil by the overhanging part, so that the fertilizer is prevented from flowing out and effective fertilization can be performed. .

〔Example〕

An embodiment of the present invention shown in the drawings will be described below. FIG. 1 is a side view showing an example of a fertilizer applicator according to the present invention, and FIG. 2 is a plan view thereof. This fertilizer applicator is configured as a fertilizer rice transplanter having both a fertilizer applicator and a rice transplanter.

The engine 3 is attached to the front of the mission case 2 of the fertilizer applicator 1.
Is installed, and chain cases 4 projecting rearward are provided on both left and right sides of the mission case 2. A rear wheel 5 is pivotally supported at the rear end of the chain case 4, and a front wheel 6 is rotatably provided at the front of the machine body. The engine 3 is covered with a bonnet 7, and a step member 9 is provided on the outer peripheral portion of the machine body.

The driver's seat 10 is supported above the rear wheel 5 by a U-shaped seat frame 11 in a plan view, and on both sides of the seat 10,
A fertilizer feeding device 14 including a fertilizer tank 13 of the fertilizer application device 12 is provided. The feeding device 14 includes feeding rolls 15 and 15 each having a groove 15a formed on the outer peripheral surface thereof, and is configured to feed an appropriate amount of granular fertilizer in the fertilizer tank 13 into the hopper 16 by the rotation of the feeding roll 15. There is. The feeding device 14 is attached to the machine body by a support frame (not shown).
4 are connected to each other by a single rotating shaft 17 passing through the rear of the seat. Rotational power for rotating the delivery roll 15 is transmitted to the power transmission device 23 from the transmission shaft 20 for driving the rice transplanting device protruding rearward from the mission case 2 via the chain wheels 21, 21 ′ and the bevel gear device 22. By this power, each payout roll 15 is rotated.

A parallel link device 25 is provided at the rear of the machine body.
The parallel link device 25 is composed of front and rear vertical members 26, 27, one upper link 29, and a pair of left and right lower links 30, 30. The respective members are connected to each other by pins. The upper link 29 is provided with a downward projection 31, and the projection 31 is connected to the mission case 2 by a hydraulic cylinder 33 of a lifting device 32. A lower end portion of the front vertical member 26 is pivotally attached to a connecting pipe 35 that connects the left and right chain cases 4 and 4. A four-row rice planting device 40 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. Further, the rice transplanter 40 can freely rotate right and left by the rotation of the rolling shaft.

The rice transplanter 40 includes a transmission case 41 that also serves as a rice transplanter frame, and a seedling placing table 42 is mounted above the transmission case 41 so as to be reciprocally movable left and right in a state in which the front side is inclined so as to be a higher rank. There is. Reference numeral 43 denotes a guide rail supported by a column 43a, and the seedling placing table 42 moves left and right along the guide rail 43. At the rear part of the transmission case 41, a seedling planting rod 45 having a seedling planting claw 44 fixed to the tip thereof is provided.
Further, there is provided a planting device 47 having a swinging crank 46 for driving the planting rod 45 so that the tip end portion thereof swings up and down in an elliptical orbit. In addition, the transmission case 41
A central float 50 and a pair of left and right side floats 51, 51 are respectively provided below the above so as to be vertically rotatable. Reference numeral 52 denotes a detection hydraulic valve that detects the vertical position of the central float 50. When the central float 50 moves upward and pushes up the spool of the hydraulic valve 52, the piston rod 33a of the hydraulic cylinder 33 projects, and conversely the center. When the float 50 rotates downward, the piston rod 33a is retracted.

The power of the rice planting device 40 is transmitted from the transmission shaft 20 to the power transmission device in the transmission case 41 via the universal joint, and drives the lateral movement device 54 of the seedling placing table 42 and the planting device 47. The seedling placing table 42 is divided into 4 wards corresponding to the 4 planting rods 45. During the work, a flat plate-shaped seedling mat with soil is placed in each section, and with the lateral movement of the seedling placing table 42, the planting rod 45 receives the seedlings from the lower end of the seedling mat one by one and plant them in the field. go. When the seedling placing table 42 reaches the end of the left and right moving range, the seedling mat is sent downward by the vertical feeding device, and the planting is continued. In addition, on both sides of the front part of the machine body, a preliminary seedling placing table 58 is provided, the lower end portion of which is supported by columns 57 fixed to the machine body.

The blower 60 is attached to the side surface of the front of the machine body at the engine installation position. A turbo fan is used as the blower 60 in the illustrated example, and is rotated by the power taken from the output shaft 3a of the engine 3 via the pulleys 61 and 62 and the belt 63 to supply air through the air hose 64. As the blower, another suitable model such as a roots blower can be adopted.

The air hose 64 passes through the lower side of the step member 9 and is connected to the air tank 70 installed in the seat frame 11. The seat frame 11 works as an enclosure for protecting the air tank 70. The four discharge ports 71, 71, ... Of the air tank 70 are respectively provided by air hoses 72, 72 ... It is connected to 75. The feeding device 75 conveys the fertilizer fed by the feeding device 14 to the transport pipe 76,
76, which is for guiding the inside of the hopper 16 and is composed of a funnel-shaped receiver 77 and a connecting pipe 79 which face the feeding port of the hopper 16. Connection tube 79
An air hose 72 and a transfer pipe 76 are connected to both ends of the, respectively, and a receiver 77 is connected to the outer peripheral portion.

The lower end of the transport pipe 76 is connected to a discharge pipe 81 fixed inside the grooving device 80. The grooving device 80 is formed in a boat shape by the two side plates 80a, 80b and the bottom plate 80c, and is attached to the transmission case 41 by a support plate 82 integrally provided upright in the front part so that the vertical position can be adjusted.

The grooving device 80 is supported so that the bottom thereof is lower than the bottom surface of the float 50 (51), and is configured to form a groove for fertilizing at a predetermined depth in the field as the machine moves. . The grooving device 80 is held by notched recesses 50a and 51a formed on the side of the float 50 (51), and the bulging part 50b is extended so as to cover the groove formed by the grooving device 80. , 51b are provided for each float. In addition, on the bottom of each float 50, 51,
Soil guide projection 8 having sloped surfaces 84a, 85a which act to pull the soil onto the groove formed by the groover.
4, 85 are integrally provided. The soil guiding protrusions 84 of the central float 50 are formed as octagonal plate-shaped protrusions, and the soil guiding protrusions 85 of the side floats 51, 51 are formed as triangular protrusions. Also, the soil guiding protrusions 84, 84 ', 85, 85' that are inclined in opposite directions to each other
May be alternately arranged so as to sandwich the groove.

Next, the discharge pipe 81 to which the transport pipe 76 is connected is curved so that its upper portion faces the side of the machine body, and the transport pipe 76 is connected to the discharge pipe so as to bypass the outside. . With this arrangement, when the discharge pipe 81 is clogged with mud or the like, the work of removing the transport pipe 76 and inserting the cleaning rod becomes easy, so that the pipe clogging can be quickly eliminated. It is extremely advantageous in practical use.

To use the 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 the drive wheels, the feeding device 14, the blower 60, the rice planting device 40, and the like. An appropriate amount of fertilizer in the fertilizer tank 13 is fed into the hopper 16 by the feeding roll 15 and is fed into the transport pipe 76 by the feeding device 75. On the other hand, since air is supplied to the transfer pipe 76 from the air tank 70, the fertilizer fed into the transfer pipe 76 is carried downward by gravity and wind force, and is discharged from the discharge pipe 81 by the grooving device 80 to the field. It is surely dropped into the groove formed in the. The groove after fertilization is filled with the floats 50 and 51, and seedlings are planted by the planting rod 45 in the vicinity thereof.

The fertilizer applicator 1 has recesses 50a, 51a formed by a groove making device 80 for forming a fertilizer groove on the sides of the floats 50, 51.
Since the floats 50 and 51 are provided in the floats 50 and 51 so as to overhang the groove formed by the grooving device 80, the fertilizer is dropped into the groove. Immediately the soil is covered by the float.
Therefore, the outflow of fertilizer is effectively prevented. Further, since the groove forming portion is leveled by the float, seedlings can be continuously planted in the vicinity thereof. It is more advantageous to provide the soil guide projections 84 and 85 on the bottom surface of the float.

Further, since the discharge pipe 81 to which the lower end of the transfer pipe 76 for transferring fertilizer is connected is provided so that the upper part thereof faces the side of the machine body, cleaning in the case where the pipe is clogged occurs at this part. It is easy and effective in maintaining normal fertilization.

It is obvious that the fertilizer application device can be used as a drug spraying device or the like.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a plan view and FIG. 2 is a side view. The symbols in the figure are as follows. 1 ... Fertilizer, 12 ... Fertilizer, 50 ... Central float, 51 ... Side float, 50a / 51a ... Recess,
50b / 51b ... Overhanging portion, 76 ... Conveying pipe, 80
...... Grooving device

 ─────────────────────────────────────────────────── ─── Continuation of the front page Chief Judge Takao Ishikawa Judge Fumio Fuji Judge Kazumi Kawamukai (56) References JP 57-26502 (JP, A) JP 57-79808 (JP, A) JP S 53-16521 (JP, U)

Claims (1)

[Claims] 1. A fertilizer applicator comprising: a fertilizer application device for feeding fertilizer through a transport pipe into a groove formed in a field by a groove cutter, and a float sliding on a field scene. A bulge which is installed along the side of the recess formed on the side of the float and extends over the groove formed by the groover is provided from a linear side behind the rear end of the groover. A fertilizer applicator, which is characterized in that it is projected and provided on the float.