JPS645849B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a multi-film laying device that forms a plurality of ridges, simultaneously lays a mulch film in these ridges and furrows, and covers the ridges with soil on the multi-film. be.

When performing ridge forming and film laying at the same time in this way, as shown in the schematic rear view of the work in Fig. Laying multi-film
In order to avoid stepping on _C0 , the support position of the film roll 2 is biased to one side in the left-right direction (to the right in the figure) with respect to the center l of the towing machine. The next step in FIG. 1, namely:
In the process of forming ridges and laying the film on the left side of the drawing, it is necessary to shift the supporting position of the film roll 2 to the left side with respect to the center l of the machine body. If power is used to load the soil into the ridges at the same time as the laying, the manual loading work can be omitted, improving efficiency.

Furthermore, if the soil lifting work for loading soil is carried out using a conveyor, there will be no soil clogging in the soil lifting pipe, which occurs frequently when using a spiral body, and a sufficient amount of soil can be secured. Become.

Therefore, the present invention includes a tilling device 5 that tills soil with a predetermined width, and a ridge maker 10 that is installed behind the tilling device 5 and heaps the soil tilled by the tilling device 5 into a plurality of ridges A. , one of the ridges A ₀ , A _{0 .}
A film roll 34 is selectively offset to the right or left so that the film C is hung on the ridges A, A, etc. excluding the furthest furrows from the ridges A, A... A plurality of presser rollers 4 that press down on the ground from
9, 49... and a belt conveyor 17 which is installed obliquely so that the falling part at the rear end extends obliquely upward when viewed from the side with the rear part of the tilling device 5 as the starting point, and the lower part of the falling part of the belt conveyor 17. Starting from ridge A ₀ ,
On the film C covering A, A..., ridges B ₀ , B,
Multiple chutes 27 guiding soil to fall with B...
It is an object of the present invention to provide a multi-film laying device characterized in that the belt conveyor 17 is rotatably provided around a central rotation shaft 13 at the rear center of the tilling device 5.

Next, as an example of the specific structure of the device, a side view is shown in FIG. 2, and a rear view is shown in FIG. A connecting rod 6 is provided on the upper part of the tilling device 5, which is connected so that , the horizontal rod 8 is supported by rollers 9 that roll on the ridge grooves B of the ridge A, and the ridge stand device 10a is attached to the horizontal rod 8.
10b, 10c... are attached so as to be adjustable in left and right positions, and the arm 11 is extended downward near the center of the horizontal rod 8, and the vertical rotation center shaft 13 is pivotally supported on the bearing part 12 of the arm 11. The lower bracket 14 is attached, mounting seats 16a, 16b, 16c, etc. are provided near the center of the horizontal rod 15 provided at the top of the vertical rod 7, and the left and right frames 18, 1 of the soil lifting conveyor 17 are installed.
8, and an upper bracket 19 at the top of the frames 18, 18.
The upper part of the belt conveyor 17 is rotated about the rotation center axis 13 to the left side of the moving vehicle body 3 as shown in the rear view in FIG. As shown in FIG. It is rotated to the right around the shaft 13 and positioned on the right side of the moving vehicle body 3, so that the mounting arm 19a can be mounted to the right end mounting seat 16c with the bolt 20 as shown in FIG. The belt conveyor 17 is disposed obliquely, with its starting point at the rear of the tilling device 5, and the falling portion at its rear end extends obliquely upward when viewed from the side.

Then, the receiving plate 22 is attached to the bracket 21 fixed to the upper part of the frames 18, 18, and the hopper 23 is attached.
The rear part of the arm 24 fixed to the front part of the receiving plate 22
When the upper part of the soil lifting conveyor 17 is moved to the left as shown in FIG. 3 and FIG.
The fixing pin 26 is inserted into the pin hole on the left side of the receiving plate 22 as shown in FIG. Dobe 27a, 27b, 27c
As shown in FIG.
As a result, the multi-film C can be seen above each of the ridges B, and as shown in FIGS.
When the hopper 23 is moved to the right side of the earth lifting conveyor 17, the fixing pin 26 is inserted into the right pin hole of the receiving plate 22 as shown in FIG. The hoppers 27a, 27b, and 27c, which are visible at the bottom of the hopper 23, are configured so that they also extend above the respective furrows B on which the multi-film C is laid, as shown in FIG. ing.

The left and right pieces of the intermediate bracket 30 formed in a U-shape are fixed to the side surfaces of the left and right frames 18, 18, and further, the rear portions thereof are provided to protrude rearwardly from the frames 18, 18, and the upper and lower surfaces of these protruding portions are fixed. The retaining plates 36, 36 are fixed to the retaining plates 36, 3, and the retaining plates 36, 3
A ball portion 31a is loosely fitted into the interior surrounded by the intermediate bracket 30, and the rotation center shaft 31 on which the ball portion 31a is fixed is connected to the intermediate bracket 3.
0 protrudes rearward through a horizontally elongated hole (not shown) provided in the end wall of 0, inserts the rotation center shaft 31 into the horizontal rod 32, attaches the nut 37, and then attaches the nut 37 to the horizontal rod 32.
2 has a rotating base 32a fixed thereon so as to be able to rotate on the outer surface of the holding plates 36, 36, and a support frame for the film roll 34 fixed to the rear end of the horizontal rod 32. 35a and the supporting rod 35 of the film roll 34 are pivotally supported by a pin 33, and when the rotating base 32a is pushed toward the intermediate bracket 30 as shown in FIG. The rotating base portions 32a are connected to the upper and lower retaining plates 3.
6 and 36 from above and below, the horizontal rod 32 is held approximately horizontally, and the film roll 34 is also approximately horizontally held. Loosen and return the rotating base 32a of the horizontal rod 32 to the retaining plates 36, 36.
If the horizontal rod 32 is pulled out to the rear to the extent that it comes off, the intermediate bracket 30 will move around the rotation center axis 31.
Since the horizontal rod 32 and the film roll 34 can rotate relative to each other, when the belt conveyor 17 is held at each position as shown in FIGS. 3 and 6, the film roll 34 also moves. It is held near the left side or near the right side of the vehicle body 3, respectively.

The belt conveyor 17 has a frame 18,
A pulley 38 is pivotally supported on the upper part of the helical body 39 and a helical body 39 is pivotally supported on the lower part of the pulley 38. The hydraulic motor 42
2, the soil near the ridges B is lifted up by the respective lugs 40 and dropped into the hopper 23. The helical body 39 removes dirt that accumulates around the back surface of the belt 41 due to the rotational movement.
The left and right halves are formed with different twisting directions so as to be discharged to the left and right in the figure, and the lower parts 18a and 18b of the frames 18 and 18 are expanded in a figure eight shape, and the left and right parts of the belt 41 and the lower part 18a , 18b
A gap S is provided between the belt 41 and the soil discharged left and right by the spiral body 39 is easily discharged from this gap S, so that soil does not accumulate on the back surface of the belt 41. That's what I do.

As shown in FIG. 9 with a portion cut away, the hopper 23 has earth removal parts 27a, 27b, and 27c visible at the bottom thereof, and is located in the space between the partition plate 43 and one side wall of the hopper 23. The upper part of the earth removal part 27a is communicated with the space between the partition plates 43 and 44, and the upper part of the earth removal part 27b is communicated with the space between the partition plates 43 and 44.
The upper part of the earth removal part 27c is communicated with the space between the partition plate 4 and the other side wall of the partition plate 4, and the cuts 45a and 45b are
A handle in which a rotating shaft 46 is fixed to the base of a shutter 45 that looks into 3 and 44, the rotating shaft 46 is pivotally attached to the left and right side walls of the hopper 23, and the base is fixed to the rotating shaft 46. 47 is suspended by a spring 48, and when the soil falling from the upper part of the soil lifting conveyor 17 accumulates on the shutter 45 and reaches a predetermined weight, it is suspended against the spring 48 as shown by the two-dot chain line in FIG. This shutter 45
is inverted and the soil is distributed and flows into the earth removal parts 27a, 27b, 27c.
The structure is such that the soil D is placed on the multi-film C in the vicinity of each of the ridges B ₀ , B, and B from the lower part of c.

Then, the ridge making and film laying work is carried out using the ridge grooves of ridge A ₀ that have already been formed in the previous process as shown in Figure 3.
The furrow tool 10 is placed in the position adjacent to the one closest to _B
a is located, the left wheel 1a of the moving vehicle body 3 is located in front of the left ridge maker 10a, and the right wheel 1b is located in front of the left ridge maker 10a.
is set to be located in front of the right ridge maker 10c, and the multi-film C is set to be located in front of the ridge maker 10c on the right side, and the multi-film C is set to be located in front of the ridge maker 10c on the right side.
Film roll 34 and presser rollers 49a, 4 are coated so as to cover half of B ₀ and ridge A ₀ , as well as ridge A formed in the current process and ridge grooves B, B on the left and right sides thereof.
The positions of 9b and 49c are set on the left side of the moving vehicle body 3, and the soil removal parts 27a, 27b and 27c are set in the ridge groove.
The belt conveyor 17 and hopper 23 are positioned on the left side of the moving vehicle body 3 so as to look above B ₀ , B, and B.

After completing the process shown in Figure 3, in the next process of returning from the back side to the front side of the figure, the bolt 2 should be moved as shown in Figure 6.
0, move the upper part of the belt conveyor 17 to the right side of the moving vehicle body 3, and fix the mounting arm 19a of the soil lifting conveyor 17 to the mounting seat 16c on the right end using the bolt 20, and fix the hopper 23 as shown in FIG. Move it to the right and fix it. Also, the film laying section 28 will be moved to the right side of the moving vehicle body 3, so loosen the nut 37, pull out the horizontal bar 32 to the rear, and rotate the horizontal bar 32 clockwise. Dynamic center axis 3
By positioning this horizontal rod 32 on the right side of 1 and pushing it forward, the retaining plates 36, 36 will be attached to the intermediate bracket 30.
The horizontal rod 32 and the film roll 34 are held in a substantially horizontal position.

By rotating and moving the upper part of the belt conveyor 17 around the vertical rotation center axis 13 in this way, the conveyance surface can be set at a predetermined position without being reversed back and forth. , and the soil distribution parts 27a, 27b, and 27c move together with the hopper 23 to reach above the ridges B ₀ , B, and B of the multi-film C that is unwound from the film roll 34 and laid. Saturday D is what will be done.

In addition, the structure of the shutter 45 and the soil distribution parts 27a, 2
The number and structure of 7b are not limited to those in the illustrated example, and for example, a shutter may be provided at the lower end of the soil distribution portion 27a. or,
As for the structure of the film laying part 28 and the fixing means at each position, in addition to the illustrated example, various methods such as a method using a pin insertion/removal method can be used.

The soil covering device in the multi-film laying device according to the present invention is configured as described above, and the belt conveyor 17 moves leftward or rightward around the rotation center axis 13 at the lower part of the belt conveyor 17. Since the conveyance surface does not turn back and forth,
The car body 3 moves the film laying position according to the reciprocating motion.
When changing to the left or right, the soil lifting conveyor 17 whose upper part has been moved in this way can lift soil from the furrow where the mulch film is not laid, and It is possible to distribute soil to a specific location, and it is possible to lift up a sufficient amount of soil without requiring human labor and using a conveyor. There is no fear of soil clogging inside the tank, and smooth soil lifting can be expected.

In the embodiment of the invention in which the lower pulley of the belt conveyor 17 is formed into a spiral body 39, the soil that tends to accumulate near the back surface of the lower part of the belt 41 is discharged left and right by the spiral body 39, so that the lower part simply becomes a pulley. With this invention, problems such as over-tensioning of the belt due to dirt accumulation, which is common with conventional belts that are wrapped around the belt, can be solved.

[Brief explanation of drawings]

The figures show an embodiment of the present invention, in which Fig. 1 is an explanatory diagram of multi-film laying, Fig. 2 is a side view of the multi-film laying device, Fig. 3 is a rear view, and Fig. 4 is a Fig. 5 is a view of the main part in Fig. 3 as seen from arrow F, Fig. 6 is a front view of the next step after the process in Fig. 2, and Fig. 7 shows the main part in Fig. 6. E
8 is a view of the main part of FIG. 6, FIG. 9 is a partially cutaway slope view of the hopper, and FIG. 10 is a rear view of the lower part of the soil lifting conveyor. Code explanation, 5... Cultivation device, 10a, 10b,
10c...ridge erector, 13...rotation center shaft, 17...
...Belt conveyor, 28...Film laying section, 3
9... Spiral, 41... Belt, A, A ₀ ... Ridge,
B, B ₀ ... ridges, C, C ₀ ... multi-film.

Claims (1)

[Claims] 1. A tilling device 5 that tills soil with a predetermined width, and a ridge maker 1 that is installed behind this tilling device 5 and mounds the soil tilled by the tilling device 5 into a plurality of ridges A.
0, one of the ridges A ₀ , A _{0 .} A film roll 34 is selectively offset to the right or left so that the film C is hung on the ridges A, A, etc. excluding the farthest ones, and the film C unwound from this film roll 34 is placed in the ridges and placed on the ground from above. A plurality of pressing rollers 49, 49... and
A belt conveyor 17 is provided diagonally with the rear end of the tilling device 5 as its starting point and the falling part of the rear end extends diagonally upward when viewed from the side, and a ridge A ₀ with the starting point below the falling part of the belt conveyor 17. , A, A,... are provided with a plurality of chutes 27 that guide and fall the soil with ridges B ₀ , B, B, etc. onto the film C that covers the soil. A multi-film laying device characterized in that it is rotatably provided around a moving center shaft 13.