JPH0436574Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a granular material feeding device for a mobile agricultural machine that is capable of reliably covering the soil with granular material discharged onto a field.

In a conventional powder supply device, for example, a submerged soil seeding machine, a groove-making body is installed below the front of the seeding port of the seeding unit equipped on the traveling machine, and a soil plate is placed behind and below the seeding port. A method has been proposed in which seeds are sown in a trench formed on the path of the soil surface passing by a trenching body as the soil progresses, and then the soil is covered with a soil plate or the like.

In such devices, it is thought that the groove forming body only needs to have a groove forming function, so it is often formed in the shape of a block with a rectangular cross section. However, with such a block-shaped trenching body, as shown in FIG. The ideal soil-covering and soil-covering action that presses down the rice from above cannot be expected, and when the force-filling soil plate passes through the sowing position, it also squeezes out the seed paddy at the bottom of the furrow, causing the paddy to fall onto the rice field. This causes the inconvenience that the rice plants are pushed up, and as a result, even after growing, the rice plants become rooted and are prone to lodging.

Therefore, in the present invention, fin-like blades are made to protrude diagonally rearward and downward from both corners of the rear lower end of the groove member, and are integrated to the vicinity of the lower position of the powder discharge port. Although it has a simple structure, it is possible to smoothly and reliably fill and cover the powder and granules discharged into the field, and to maintain a uniform supply depth of the powder and granules at all times. The present invention aims to provide a granule feeding device.

To explain the structure of the present invention with reference to an embodiment shown in the drawings, FIGS. 1 and 2 are overall structural diagrams of a submerged soil seeding machine, which includes an engine 1, a transmission, a frame, Wheels 4,
4' is pivotally supported for vertical movement, and a powder supply unit (seeding unit) 6 consisting of a tank 5 for storing rice seeds, etc., and a sowing drive mechanism (not shown) is installed behind the wheels 4 and 4'. A steering handle 7 is installed behind the sowing unit 6, and a float 8 for sliding on the rice field is installed below the aircraft body.
It constitutes a traveling type seeding machine equipped with.

The float 8 has a long and wide main float 8a disposed at the center in the machine width direction extending from the front end of the machine body A to the rear of the seeding section 6, and a main float 8a that is substantially wide on the outside of the wheels 4 and 4'. It is composed of short and medium-narrow side floats 8b and 8b' arranged from the center position to near the rear end of the main float 8a. Slits a are formed corresponding to the seeding ports 5'a, which are discharge ports for discharging the seeds in the tank 5.
have. The main float 8a is a sensing float, and a detector (not shown) detects the vertical displacement of the front part of the main float 8a, and a lifter moves the wheels 4, 4' up and down to maintain a constant ground attitude of the aircraft A. It's becoming like that.

By the way, the reason why the floats 8a, 8b, and 8b' are arranged as described above is that the main float 8a, which is large and has a large pressure-receiving area, is placed in a highly rigid part of the fuselage.
In addition, the side floats 8b and 8b' need to be relatively small, and the support members for the side floats 8b and 8b', which protrude from the sides of the machine to support them, can also be made lighter, which ultimately makes the whole machine lighter and more adaptable to fields. In addition, the rolling recovery is extremely good, and the main float 8a and the side floats 8b and 8b' share the load against rear subsidence due to wheel reaction force, resulting in stable field tracking. This was done with consideration given to reducing variations in depth.

On the other hand, on the bottom surface of each of these floats 8a, 8b, 8b', there is a block-shaped groove forming body 9 located in front of the slit a, that is, in front of and below the seeding port 5'a, and at the rear of the seeding port 5'a. Cultivating soil plate 10 located below
are fixed to each other, and a soil covering plate 11 is attached to the rear of the soil plate 10, thereby forming a soil covering means for the sown rice seeds.

By the way, fin-like blades 9a and 9b are integrally formed at both rear lower corners of the groove-forming body 9 and protrude outwardly from the width of the groove formed by the groove-forming body 9, diagonally rearward and downward. As shown in the figure, the outer edges b and c of the blades 9a and 9b gradually expand from the front to the rear in a plan view.
The rear end side extends to the vicinity of the seeding position d below the seeding port 5'a. Also, the blades 9a, 9b
The opposing interval between the rear inner edges e and f of
Care has been taken to prevent mud from becoming clogged or drawn between spaces a and 9b.

In the figure, 5' is a funnel-shaped shooter provided below the tank 5, g is rice seed, and h is mud.

Next, the operation of the present invention will be explained. wheel 4,
4' rotation causes the main float 8a and side floats 8b, 8b' to slide on the rice field while moving the aircraft A.
moves forward in the field, and the unevenness of the tiller is handled by the main float 8.
It is sensed by the vertical displacement of the front and back of a, and the wheels 4, 4'
The rice seed 9 in the tank 5 is fed out in a fixed amount by a sowing drive mechanism (not shown), and sent from the seeding port 5'a at the lower end of the shooter 5' to the groove-forming body 9. After falling into the groove i formed in the path of the paddy, it is cultivated and covered with soil by the subsequent cultivating soil plate 10 and soil covering plate 11, and in this way, the rice seeds g, g, etc. are continuously sown in the flooded soil. Ru.

By the way, when the groove-making body 9 passes through the mud h, fin-like blades 9a, which are integrally provided at both rear lower corners of the groove-making body 9 and protrude outward from the groove width, 9b, downwardly inclined small grooves i ₁ and i ₂ are formed at both bottom corners of the groove i section, extending outward from the groove width in a cross-sectional view, and communicate with the groove i, as shown in FIG. 6. fin-like wings 9a, 9b
After the groove i has passed, the vertical wall i' of the groove i becomes unstable at its base and tends to tilt inward. Therefore, after the seed rice g has fallen into the groove i, when the soil plate 10 and the soil covering plate 11 pass, the soil plate 1
0 and the soil covering plate 11 press the mud shoulders on both sides of the groove i from the outside in the direction of the groove i, thereby forming fin-like blades 9.
As shown in the figure, the small grooves i ₁ and i ₂ formed by grooves a and 9b make the groove i easy to collapse, and as shown in the figure, the paddy g is pressed down with mud h from above and covered with soil. As a result, the paddy g is pushed up in a squeezing shape and prevented from floating on the rice field surface, so the seeding depth is constant, and even after growing, there is no uprooting, resulting in stable rice plants that are difficult to lodge. By the way, since the fin-like blades 9a and 9b are integrally extended from both rear lower corners of the groove-forming body 9 to the vicinity of the lower position of the powder discharge port, even after the groove-forming body 9 has passed, The vertical wall i' of the groove i is supported from below by the fin-like blades 9a and 9b and maintained in a stable state until the rear end side of the blades 9a and 9b passes, that is, until just before the seed g lands in the groove i. Seed rice g
There is no possibility that the groove i will collapse before the ball lands on the ground.

In addition, since the outer edges b and c of the blades 9a and 9b are inclined edges that gradually widen from the front to the rear in plan view, the groove forming body 9 and the blades 9a and 9
The problem of straw, etc. getting caught in b etc. is prevented as much as possible.

By extending the blades 9a and 9b to a position that surrounds the sowing drop position d, it is possible to reliably prevent mud from collapsing when the seed rice falls, and to perform cultivating soil and covering soil after sowing smoothly and accurately as described above. be.

As described above, the present invention has a groove-forming body disposed below the front of the powder discharge port attached to the traveling machine body, and a soil-covering means disposed below the rear of the discharge port, so that the groove-forming body is installed as the machine moves forward. In a mobile agricultural machine that discharges powder into a groove formed on a path passing through the soil surface and then covers the soil with a soil covering means, fin-shaped fins are installed at both rear lower corners of the groove cutting body diagonally rearward and downward. The blades are integrally extended to the vicinity of the lower part of the powder discharge port with the blades protruding outward from the groove width, so the structure is simple and can be manufactured at low cost. At the same time as the groove is being made, small grooves can be formed in both corners of the bottom of the groove so as to incline outwardly and downward, and these small grooves make it easier for the groove formed by the groove-making body to collapse when covering with soil. Since the collapse promoting effect is exerted, the soil-covering and soil-covering effects of the soil-covering means can be carried out smoothly and reliably by pressing down the granular material released into the field with mud from above, and at the same time, the soil-covering means can perform the soil-covering and soil-covering functions smoothly and reliably by pressing down the granular material released into the field with mud from above. The fin-like blades support both shoulders of the groove from below and hold them in a stable state until the rear end of the fin-like blades integrally extended from This prevents the groove from collapsing before the granular material lands in the groove, and prevents the granular material from being pushed up onto the field surface and causing variations in the supply depth of the granular material. A stable, uniform depth can be maintained at all times. Therefore, when the present invention is installed in a seeding machine such as a submerged direct sowing machine, the seed rice sown in the trench is held in a stable state at a uniform depth by the muddy soil, which prevents root uptake etc. even after it has grown. You can obtain high-quality rice plants that are resistant to lodging.

[Brief explanation of drawings]

Fig. 1 is an overall side view of a submerged soil seeding machine equipped with the present invention, Fig. 2 is a plan view of the same as above, Fig. 3 is a plan view showing the arrangement of the floats, and Fig. 4 is a perspective view of the main parts. , 5, , , , , , , , , , , , , , , , , , , , , , , , , ,, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , being being shown, respectively, are a side view, a rear view, and a bottom view of essential parts, respectively, are a side view, a rear view, and a bottom view, respectively. In the figure, A is the traveling machine body, 5'a is the seeding port, 6 is the seeding part, 9 is the groove making body, 9a, 9b are the blades, b, c are the outer edges, d is the sowing position, g is the seed rice, h is mud, i
is a groove.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A groove-cutting member is provided in front of and below the outlet for powder and granular material attached to the traveling aircraft, and a soil-covering means is provided in the rear and lower part of the outlet. In a mobile agricultural machine that discharges granular material into a groove formed on the path of the groove passing through the soil surface and then covers it with soil using a soil covering means, a granular material is discharged into a groove formed on the soil surface passage locus, and then the soil is covered with soil by means of soil covering means. A groove in a powder supply section of a mobile agricultural machine, characterized in that a fin-like blade is integrally extended to the vicinity of a lower position of a powder discharge port with a fin-like blade projecting outward from the width of the groove. Device. (2) Claim 1 of the utility model registration, which is characterized in that the blades are extended to surround the lower position of the discharge port.
A groove-making device for a powder supply section in a mobile agricultural machine as described in 2.