JPH11196618A - Mulching apparatus with simultaneous function of fertilization and seeding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject mulching apparatus designed to obviate unfavorablenesses of affecting seeds such as fertilizer damage through preventing contact between fertilizer and seeds applied to the field, and reduce the use of fertilizer, thus leading to cost reduction. SOLUTION: This mulching apparatus 70 is such one as to enable fertilizer application simultaneously with seeding operation while laying a mulching film 13; wherein a fertilization section is provided in front of a seeding section and a mulching film laying section, and the lateral positions and heights of both the fertilization and seeding sections are rendered variable so as to enable both fertilizing and seeding positions to be regulated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a simultaneous fertilizer application system capable of disseminating fertilizer while sowing while laying a multi-film, wherein the sowed seed does not come into contact with the fertilizer applied. And a technique for reducing the amount of fertilizer used.

[0002]

2. Description of the Related Art Conventionally, a mulch film having a seeding hole is laid after cultivating a ridge or leveling by a rotary tillage device, and at the same time, a seed in a hopper is seeded from the seeding hole through a feeding device. In the apparatus, a fertilizer simultaneous sowing multi-apparatus provided with a spraying device for spraying fertilizer deep into a field on the front side of a rotary tillage device, and a spraying device for spraying fertilizer on a surface layer of a field behind the rotary tillage device. Is known. For example, JP-A-8-56
427.

[0003] In the above-mentioned fertilizer simultaneous sowing multi-apparatus,
The surface fertilizer chute and the seeding chute are disposed at positions that match each other in the front-rear direction at the left and right positions, and the deep fertilizer chute is disposed inside the chute. Therefore, the fertilizer dropped from the deep fertilizer chute is agitated by a rotary tilling device, and the fertilizer dropped from the surface fertilizer chute and fertilized and the seed dropped from the sowing chute and sown are substantially at the same position in the left-right direction. Is dropped.

[0004]

However, when the fertilizer is sprayed and the seeds are sown by the simultaneous fertilizer simultaneous sowing multi-apparatus as described above, the seeds come into contact with the fertilizer sprayed on the surface layer of the field, and the deep fertilizer shoots. Some of the fallen fertilizer will also come into contact. Therefore, the seeds caused fertilizer and injuries, and the seeds did not grow normally. In addition, since the fertilizer is agitated by the rotary tilling device after fertilization, the fertilizer is sprayed from the deep part of the field to the surface layer, and the fertilizer on the surface part may flow and be wasted, and the amount of fertilizer used increases and the cost increases. Will be high. Therefore, it was necessary to reduce the amount of fertilizer used and to reduce costs.

[0005]

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described. That is, it is a fertilizer simultaneous sowing multi-apparatus that performs sowing while laying a multi-film and sprays a fertilizer, in which a fertilizer is provided in front of a sowing part and a multi-film laying part, and the left and right sides of the fertilizer and the sowing part are provided. The position and height can be changed, the fertilizing position and the sowing position can be adjusted, the fertilizing position of the fertilizer dropped from the fertilizing shoot is deeper than the seeding position of the seed dropped from the seeding port,
Further, the fertilizer and the seed are prevented from coming into contact with each other by a predetermined distance in the width direction, and the seed is prevented from being harmed by fertilizer, debris and the like.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention shown in the accompanying drawings will be described. FIG. 1 is a side view of a simultaneous fertilizer application sowing multi-apparatus of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a rear cross-sectional view of a ridge showing a disposition position of a fertilizing chute and a seeding port of the present invention and a fertilizing seeding position. It is.

Referring to FIGS. 1 and 2, the overall configuration of the simultaneous fertilizer application multi-apparatus 70 of the present invention will be described. The fertilizer simultaneous sowing multi-apparatus 70 is of a type mounted and towed on a rear part of a tractor through a three-point link type work equipment mounting apparatus, and may be configured to be mounted on a management machine and towed. it can. In addition, the rotary tilling device is mounted on the tractor work machine mounting device so as to be able to move up and down freely, and the simultaneous fertilizer application and sowing multi-device 70 of the present invention is mounted on the rear portion of the rotary tilling device, so that the tilling, leveling and fertilizing, sowing, multi The laying can be performed at the same time.

[0008] The fertilizer simultaneous sowing multi-apparatus 70 pulls out the multi-film 13 from the fertilizer application section and the film holding member 21 and suppresses the pressure reduction roller 32 and the film holding roller 34.
A multi-film laying section for laying the film on the ridges with a soil covering disk 35 and the like, and a sowing section for feeding the seeds from the seed feeding device 16 and sowing them in the seeding grooves.

Next, a configuration for mounting a tractor or the like on a towing vehicle will be described. In this embodiment, a hitch 7 is provided at the rear of the top link 4 and the lower link 5.5 at the rear of the tractor.
Tool bar 6 of the simultaneous fertilizer application multi-unit 70
a is attached. The front toolbar 6a includes a mounting plate 10 together with the fertilizer support bar 6b and the rear toolbar 6c.
The left and right sides are fixed by 10 and the fertilizer application section is supported on the fertilizer application section support bar 6b such that the fertilizer application section is detachable and the left / right position can be adjusted.

In FIGS. 1 and 2, a fertilizer support bar 6 is shown.
Two fertilizers are attached to b, and the position can be adjusted left and right. And a motor 14 for driving the two fertilizers.
Is also attached to the fertilizer support bar 6b so as to be detachable and position-adjustable left and right. Further, support rods 24 are suspended from both left and right ends of the fertilizer application part support bar 6b.
The lower end 4 supports the grooved disks 9. Further, supporting rods 25, 25 are vertically suspended from the left and right ends of the rear toolbar 6c via the fitting body 20 so that the left and right positions thereof can be adjusted, and the auxiliary wheels 27, 27 are supported at the lower ends of the supporting rods 25, 25. And

Further, support arms 43, 43 project from the left and right ends of the rear toolbar 6c obliquely upward and rearward, and are formed rearwardly from the rear ends of the support arms 43, 43 into an L-shaped middle frame 44. 44 is projected rearward so as to be able to move up and down. Further, rear frames 33, 33 are fixed to the rear ends of the middle frames 44, 44, and the film pressing rollers 3 are attached to the rear frames 33, 33 respectively.
4 and 34 and earth covering disks 35 and 35 are provided.

Further, the mounting plate 30 is connected to the left and right central portions of the rear toolbar 6c via parallel links 45 and 46.
An upper support bar 41 and a lower support bar 42 are attached to the rear of the mounting plates 30. 30, and a seeding unit, which will be described later, is attached to the upper support bar 41. Is equipped with a multi-film laying part.

Next, the configuration of each part of the simultaneous fertilizer application multi-apparatus 70 will be described. First, the fertilizer application section will be described. A fertilizer feeding device 40 is mounted on the fertilizer application portion support bar 6b so as to adjust the left and right positions. A fertilizer tank 37 is disposed above the fertilizer feeding device 40. The fertilizer feeding device 40 accommodates a feeding roll 39. The feed roll 39 supports a feed drive shaft 40a extending in the left-right direction.
The rotation of the feed drive shaft 40a is rotated to feed the fertilizer.

From the lower part of the fertilizer feeding device 40,
The fertilizer chute 38 and the fertilizer application groove disc 28 are supported via the parallel links 11 and 12.
A biasing spring 15 is arranged on a diagonal line of the fertilizer application groove disk 28 to balance with the weight of the fertilizer application groove disk 28. With this configuration, the fertilizing groove discs 28 and the fertilizing chutes 38
Are moved up and down in parallel by the parallel links 11 and 12 so as to follow irregularities on the ground surface.

The fertilizer application groove disk 28 is formed by arranging left and right disk plates in a V-shape in plan view, and is configured to form a fertilization groove on a ridge. The tip of the use chute 38 is inserted.
Therefore, the rotation of the feed roll 39 causes the fertilizer tank 3
The fertilizer in 7 is fed out and dropped from the fertilizing chute 38 between the left and right fertilizer application groove disc plates.

Next, the multi-film laying section will be described. Film holding members 21 are projected forward from both left and right ends of the lower support bar 42, and the core supporting portions 21a
a is projected inward in the left-right direction, and the core supporting portions 21a.
21a is inserted to hold the multi-film roll rotatably.

The multi-film 13 has a plurality of seeding holes opened at regular intervals in the longitudinal direction. The end of the multi-film 13 is pulled out rearward, and wrinkles are eliminated by the film stretching roller 22. It is stretched and laid on the ridge passing through the upper surface of the ground plate 26. Behind the grounding plate 26, a pressure-reducing roller 32 is pivotally supported at the lower end of the roller holding members 31 and 31 suspended from the upper support bar 41,
The ridge surface after seeding is crushed from the top of the multi-film 13 by the crushing roller 32, and the film pressing rollers 34, 34 supported by the rear frames 33, 33 are hem portions (side portions) of the mulch film 13 on the ridge side surfaces. And the soil is put on the multi-film 13 pressed on the side of the ridge by the covering discs 35 to prevent the multi-film 13 from peeling off.

Next, the seeding section will be described. The upper support bar 41 is provided with a seed feeding device 16, 16;
A feeding drive shaft 17 is rotatably supported by the seed feeding devices 16. The seed feeding device 16 has a seed hopper 16a at an upper part, and a feeding tray and a funnel 16c at a lower part.
The feed drive shaft 17 is rotated by transmitting the rotation of the pressure reducing roller 32 via a chain or the like, and further, the feed tray is rotated via a bevel gear or the like. The seeds in the seed hopper 16a are fed out by the rotation of the feeding tray, and the seeds are dropped into the seeding port 18 via the funnel 16c and the guide pipe 19.

A shutter 47 is provided at the seeding port 18, and a sensing rod 48 is further provided below the seeding port 18. When the lower end of the sensing rod 48 enters the seeding hole drilled in the multi-film, it rotates downward, and in conjunction with this, the shutter 47 opens, and the seeds stored in the seeding port 18 fall into the seeding hole. Then, the seeds are sowed in the seeding grooves on the ridges. The seeding groove is formed at a predetermined depth in the ridge by a groove generator 23 disposed on the lower surface of the ground plate 26, and the soil is spread after seeding by a cultivation plate provided at the rear of the ground plate 26. To cover the soil.

As shown in FIGS. 2 and 3, in the fertilizer simultaneous sowing multi-apparatus 70 of the present invention, the fertilizer chute 38 is used.
The fertilizer Ha, which has fallen from the fertilizing chutes 38, 38, is placed at the left and right positions inside the sowing port 18, 18 and the fertilizing position of the fertilizer Ha falls, The seeds TT are located at a set depth (depth 10 to 20 mm in the present embodiment) and inside a predetermined dimension (50 mm in the present embodiment) from the sowing position of the seeds TT. The left, right, up and down positions are configured to be changeable. However, the seeding port 18 may be arranged in front of the film stretching roller 22 and covered with a multi-film having no seeding holes after sowing.

In such a configuration, the fertilizer application position can be adjusted by moving the mounting portion of the fertilizer feeding device 40 and the fertilizer application groove disk 28 to the left and right with respect to the fertilizer support bar 6b. Then, by adjusting the spring force of the urging spring 15 disposed on the parallel link 11 or 12, the fertilizer application groove disk 2 is adjusted.
8, that is, the depth of the working groove can be adjusted. Specifically, the locking position of one end of the biasing spring 15 is changed to adjust the spring force. It can also be changed by changing the height of the fertilizer application groove disk 28 with respect to the seeding frame. Also, the seeding depth can be adjusted by adjusting the height of the groove generator 23 provided on the lower surface of the grounding plate 26, and the left and right positions can be adjusted by changing the attachment position to the lower support bar 42. In this way, the seeding position and the fertilizer application position can be adjusted to prevent contact between the fertilizer and the seed, so that the seed is not harmed by fertilizers and injuries.

The distance between the fertilizer and the seed as described above can be set to a distance at which the effect of the fertilizer on the seed is most exhibited, and the amount of the fertilizer used can be reduced without spraying the fertilizer on the surface layer as in the related art. It can reduce fertilizer application efficiency, and can reduce costs. In this embodiment, the fertilizer simultaneous sowing multi-apparatus 7
0 is a configuration in which the number of fertilization and sowing is two,
There is no particular limitation, and constants such as three, four, and six are not limited.

[0023]

According to the present invention, the following effects can be obtained. That is, it is a fertilizer simultaneous sowing multi-apparatus that performs sowing while laying a multi-film and sprays a fertilizer, in which a fertilizer is provided in front of a sowing part and a multi-film laying part, and the left and right sides of the fertilizer and the sowing part are provided. The position and height can be changed, and the fertilizing position and the seeding position can be adjusted, so that the fertilizing position of the fertilizer dropped from the fertilizing shoot is deeper than the seeding position of the seed dropped from the seeding port, and The fertilizer and the seed can be prevented from coming into contact with each other in the width direction by a predetermined dimension, so that the seed is not harmed by fertilizer, burns, and the like.

In addition, the amount of fertilizer used can be reduced, and a small amount of fertilizer can be applied to the seed at an effective position, thereby reducing costs.

[Brief description of the drawings]

FIG. 1 is a side view of a fertilizer application simultaneous sowing multi-apparatus of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 shows the arrangement positions of the fertilizer chute and the seeding port of the present invention,
FIG. 3 is a rear cross-sectional view of a ridge showing a fertilization seeding position.

[Explanation of symbols]

 13 Multi-Film 18 Seeding Port 23 Grower 28 Fertilizer Groove Disk 38 Fertilizer Shoot 70 Multi-apparatus for simultaneous fertilization

Claims (1)

[Claims] A fertilizer simultaneous sowing multi-apparatus for disseminating fertilizer while sowing while laying a multi-film. A simultaneous fertilizer application multi-apparatus, characterized in that the right and left position and height of the section can be adjusted.