JPH031B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a direct sowing machine that continuously sows a certain amount of seeds onto a field.

[Prior Art] Conventionally, as shown in Japanese Patent Publication No. 36-1108, there has been a technique in which the outer shape of a feeding device provided at a lower part of a hopper is made smaller in plan view, and an operating member is provided so as to be retracted from the outer surface of the hopper. It was hot.

[Problems to be Solved by the Invention] In the prior art, the operating member can be made compact and functionally mounted, but since the hopper is disposed on the top side of the machine at the approximate center, seeds, etc. cannot be placed in the hopper. It is necessary to stop the engine transmission system when loading the hopper, and the opening side of the top surface of the hopper is at a high position, which poses safety and workability problems. Also, when removing the residue from the hopper, the lower part of the hopper is in contact with the center of the machine. There were problems with workability over time.

[Means for solving the problem] However, in a direct seeding machine for paddy fields in which the seeds put in the hopper 14 are sent out to the rice field via the feeding device 15, the hopper 14 is installed above the feeding device 15 to form a unit. Frame 17 that holds the unit
b, 17c, and a unit connecting member 18 extending laterally from the lower holding frames 17b, 17c of the unit, while a body central connecting support member 4, which extends rearward from the body.
5, 9, 17a are connected to and supported by the fuselage, floats 16b, 16c are arranged below the unit, and the unit connecting member 18 is connected to the fuselage center connecting support member 4, 5, 9, 17a. It is characterized by being configured to be connected and supported.

[Function] Therefore, not only can the units such as the feeding device be made compact and functionally installed, but also the hopper can be placed at a lower position than before, and operations such as supplying seeds and taking out residue can be performed from the top of the machine. It can be configured to be easier to operate than before by using a cover, and the center of gravity of the machine can be set lower than before by providing the hopper at a lower position, improving safety and workability compared to before. In addition, the float can be very functionally disposed below the central connection support member of the machine body that extends rearward from the machine body, and for example, the attachment of seed sending auxiliary means to the rice field can be easily carried out on the float. This can be easily done by using .

[Example] Hereinafter, an example of the present invention will be described in detail based on the drawings.

Fig. 1 is an overall side view of a direct seeding machine for rice paddy, and Fig. 2 is a plan view of the same, in which 1 is an engine, 2 is a front float installed at the bottom of the engine 1, and 3 is a rear part of the engine 1. The engine 1, the transmission case 3, and the transmission case are integrally connected to each other through a transmission case 4 at the rear of the case 3 and a drive case 5 for a feeding device, which will be described later. 4 and the drive case 5 constitute the fuselage.

A pair of swing cases 6, 6 axles are mounted on the left and right outer sides of the transmission case 3, and a pair of left and right paddy wheels 8, 8 are rotatably mounted on the outer sides of the swing cases 6, 6 via axles 7, 7. are doing.

Further, a shaped frame 9 is connected to the rear of the drive case 5, and a steering handle 1 is provided at the rear of the frame 9.
0 extends backwardly, and is connected to a direct seeding device 12 via a fulcrum pin 11 so as to be swingable back and forth.

The direct sowing device 12 has three sets of sowing devices 13a, 1
3b, 13c, each seeding device 1
3a, 13b, 13c are storage hoppers 14, 14, 14 for storing seeds, ie, seed rice, and feeding devices 15, 15, 15 for drawing out seeds (see Fig. 5) installed in the lower part of the hoppers 14, 14, 14. , a center float 16a and side floats 16 which are ground leveling bodies that support the hoppers 14, 14, 14.
b, 16c, and the center float 1
The hoppers 14, 14, 14 are supported on the seeding frames 17a, 17b, 17c on the side floats 16b, 16c, and each pair of floats 16a, 1b, 16c and the hopper 1
Three sets of seeding devices 13a, 13b, and 13c are constituted by the combination of seeding devices 4, 14, and 14. Connection frames 18 and 1 are connected between the seeding frame 17a and the left and right seeding frames 17b and 17c.
The direct sowing device 12 is constructed by integrally connecting the three sets of seeding devices 13a, 13b, and 13c by connecting and supporting them at 8, 18', and 18'.

As mentioned above, the hopper 14 is installed above the feeding device 15 to form a unit, and the unit is attached to the left and right seeding frames 17b and 17 which are holding frames.
A transmission case is supported by a connecting frame 18 which is a unit connecting member and extends laterally from the frames 17b and 17c at the bottom of the unit. 4, the drive case 5, the shape frame 9, and the central seeding frame 17a are connected to and supported by the machine body, floats 16b and 16c are arranged below the unit, and the connecting frame 18, which is the unit connecting member, is connected and supported. It is configured to be connected and supported by these supporting members 4, 5, 9, and 17a.

Further, as shown in FIG. 3, the seeding frame 17a
A bracket 19 is fixedly installed on the front surface of the frame 9, and the bracket 19 is supported and connected to the frame 9 via a pin 11, and the left and right seeding frames 17b, 1
7c has left and right streak markers 2 as shown in Figure 4.
0, 21 are installed, and the markers 20, 21 are configured to protrude outward to the right and left of the body as appropriate.

Further, the tip of the center float 16a that fixes the base end of the seeding frame 17a is supported and connected to the transmission case 4 via a buffer member 22,
As shown in FIG. 5, a spring 23 is used to tension the base end of the sowing frame 17a and the base end of the shape frame 9, and the direct sowing device 12 is directed downwardly around the fulcrum pin 11. The structure is such that a spring force is applied to apply an upward force to the front portions of the floats 16a, 16b, and 16c, and a downward force to the rear portions of the floats 16a, 16b, and 16c. The spring 23
is fixed to the seeding frame 17a and the shaping frame 9 through locking pieces 24 and 25, respectively, and an adjusting screw 26 is installed between the locking piece 25 on the shaping frame 9 side and the spring 23. The structure is such that the spring force can be adjusted by interposing the spring force.

Further, as shown in FIGS. 4 and 5, each bottom of the floats 16a, 16b, and 16c has a pair of groove-forming rods, that is, groove-forming protrusions 2 for scraping two grooves.
7, 27, and seeding grooves 28, 28 are formed behind the ends of the protrusions 27, 27.
Cultivating soil plates 29, 29 are fixedly installed on the bottom surfaces of b and 16c, with their tips facing the grooves 28, 28.

By the way, the above-mentioned feeding device 15 is provided in a reservoir chamber 30 below the hopper 14, and a seed feeding roll 3 is connected to the reservoir chamber 30 via a rotating shaft 31.
2 is mounted on an axis, and two seed discharge buckets 33a..., 33b... for two rows are provided in parallel rows around the roll 32, and the seeds stored in the storage chamber 30 are released by the rotation of the roll 32. Bucket 33a...,3
3b...But it is configured so that it can be pumped out.

Further, a two-row seeding chute 35 formed in a forked shape is removably attached to the lower part of the hopper 14, that is, the reservoir chamber 30, through a discharge port 34.
The lower end of the chute 35 is connected to the float 1.
It is made to face the front end of each seeding groove 28, 28 of 6a, 16b, 16c.

Furthermore, a main shutter 36 and a flow adjustment plate 37 are provided above the reservoir chamber 30 of the hopper 14, and operating levers 38 and 39 of the shutter 36 and adjustment plate 37 are respectively projected to the outside of the hopper 14. By appropriately operating the levers 38 and 39, the flow of seeds into the storage chamber 30 can be stopped or the amount of seeds flowing down can be adjusted.

By the way, as shown in FIG.
The support point that becomes the pitching fulcrum of 6a, 16b, 16c, that is, the fulcrum pin 11 position is the float 16a,
The float 16 is provided at a distance t behind the center point A of the grounding action of the floats 16b and 16c.
When an upward force is generated on the float contacting surface (action length l) due to the grounding resistance in the sliding state of floats a, 16b, and 16c, this force is applied around the fulcrum pin 11 as shown by the imaginary line in the figure. float 1
The floats 16a, 16b, 16c are rotated in a direction to lift the front portions of the floats 16a, 16b, 16c, so that the front portions are always floating and the rear portions are grounded to allow the floats 16a, 16b, 16c to advance toward the ground.

Furthermore, in the figure, 40 is a flexible wire that is stretched between the drive case 5 and each seeding frame 17a, 17b, 17c to transmit the engine output to the feed roll 32, and 41 is a flexible wire that connects and disconnects the drive transmission of the wire 40 as appropriate. A clutch lever to be operated, 42 a manual operation handle extending integrally with the outer protruding end of the hopper 14 of the rotating shaft 31, and 43 a clutch lever 43 of the hopper 1;
The discharge port 34 of the storage chamber 30 of No. 4 and the seeding chute 3
It is a partition plate interposed between the hopper 14 and the outer shape of the feeding device 15 part in which the feeding roll 32 at the lower part of the hopper 14 is internally installed, in a plan view, so that the outer shape of the feeding device 15 is smaller than the outer surface of the hopper 14. An operating member such as a clutch lever 41 is attached to the feeding device 15, and the hopper 14 is provided between the handle 10 and the rear end of a top cover 44 on which wheels 8 are disposed on both sides.

The present embodiment is constructed as described above, and each of the hoppers 14 is filled with seed rice, that is, seeds made by coating rice germination with a mixture of lime peroxide and calcined gypsum, and the machine is placed in a flooded field after puddling. While running, seeds in the hopper 14 are directly sown in a fixed amount, one plant at a time, and the seed rice stored in the storage chamber 30 at the bottom of the hopper 14 is pumped out in a fixed amount by the feeding device 15. Raised discharge port 34
The seed rice released into the sowing chute 35 is directly sown every two rows from the fork at the lower end of the chute 35. In this case, the floats 16a, 16b, 1
The protrusions 27, 27 formed on the floats 16a, 16b, 16c scrape grooves in the field as the machine travels, and the seeding grooves 28, 28 of the floats 16a, 16b, 16c are moving over the grooves that have been scraped. The seed rice falling from the chute 35 is directly sown into the trench from the front end of these trenches 28, 28. The trenches are covered with soil by the plates 29, 29. The seed rice stored in each hopper 14 in this way is pumped out into each chute 35 by each feeding device 15, and is dropped into the groove carved by the protrusions 27, 27. The soil is sequentially covered with soil plates 29, 29, and while the aircraft is moving, the floats 16a, 16b, 1
6c, an upward acting force is generated due to its grounding resistance, and the grounding action center point A on the approximate center line of the grounding action surfaces of the floats 16a, 16b, 16c, which is the center of this acting force, is the fulcrum. Since the float 1 is located ahead of the pin 11 by a distance t,
6a, 16b, 16c are fulcrum pins 11 for the aircraft
The front part rotates as if floating around the center. As a result, when the floats 16a, 16b, 16c are sliding, they always move forward with their front parts floating and their rear parts touching the ground. The purpose is to prevent the rear parts of the floats 16a, 16b, and 16c from lifting up, etc., and to ensure that the ground is leveled.

[Effects of the Invention] As is clear from the above embodiments, the present invention provides a direct seeding machine for paddy fields that feeds seeds put into a hopper 14 to a rice field via a feeding device 15.
A hopper 14 is installed above the unit to form a unit, and the unit is supported by holding frames 17b and 17c, and a unit connecting member 18 is extended laterally from the holding frames 17b and 17c at the bottom of the unit. , fuselage central connection support members 4, 5, 9, 17 extending long from the fuselage to the rear.
a is connected to and supported by the fuselage body, and floats 16b and 16c are disposed below the unit, and the unit connecting member 18 is connected and supported by the fuselage center connecting support member 4, 5, 9, and 17a. With this structure, not only can units such as the feeding device 15 be made compact and functionally installed, but also the hopper 14 can be placed at a lower position than before to facilitate operations such as supplying seeds and taking out residue. By using the top cover 44 of the machine body, it can be configured to be easier to operate than before, and by setting the hopper 14 at a lower position, the center of gravity of the machine can be set lower than before, resulting in safer and easier work than before. You can easily improve your
In addition, the floats 16a, 16b, 16c can be very functionally disposed below the body central connection support members 4, 5, 9, 17a that extend rearward from the body, and can be used, for example, as an auxiliary means for sending seeds to the rice field. This provides advantages such as ease of attachment by using the floats 16a, 16b, and 16c.

[Brief explanation of drawings]

Fig. 1 is an overall side view of the direct seeding machine according to the present invention, Fig. 2 is a plan view thereof, Fig. 3 is an enlarged side view of the main parts, Fig. 4 is an enlarged rear view of the main parts, and Fig. 5 is the main parts. FIG. 4...Transmission case (body center connection support member),
5... Drive case (body center connection support member), 9
... shaped frame (body center connection support member), 1
4...Hopper, 15...Feeding device, 16b, 1
6c... Float, 17a... Seeding frame (body central connection support member), 17b, 17c... Seeding frame (holding frame), 18... Connection frame (unit connection member).

Claims (1)

[Claims] 1 In a direct seeding machine for paddy fields that sends out the seeds put into the hopper 14 to the rice field via the feeding device 15, the hopper 14 is installed above the feeding device 15 to form a unit, and the unit is attached to the holding frames 17b, 1.
7c, and a unit connecting member 18 extending laterally from the lower holding frames 17b, 17c of the unit, while the fuselage center connecting support members 4, 5, extending rearwardly from the fuselage.
9 and 17a are connected to and supported by the fuselage body, floats 16b and 16c are arranged below the unit, and the unit connecting member 18 is connected and supported by the fuselage center connecting support member 4, 5, 9, and 17a. A direct seeding machine for paddy fields, characterized in that it is configured to.