JPS5851681Y2 - Furrow device - Google Patents

Description

[Detailed description of the invention] The present invention relates to an apparatus for continuously forming high ridges, etc., which is equipped with a ridge forming plate for forming high ridges for tobacco cultivation, and a disc rotor for supplying tilled soil to the iron plate. In a structure in which a side cover is provided to cover the rear side of the disc rotor to prevent the escape of cultivated soil to the outside of the disc rotor, the side cover is attached to the rotor cover on the rear side of the disc rotor so as to be able to protrude from side to side, The relative position of the side cover with respect to the disc rotor and the earth-filling disc provided on the outer front side thereof is configured to be adjustable, and the soil intake by the side cover can be adjusted according to the amount of cultivated soil in the disc rotor portion, the compressibility of the cultivated soil, etc. The amount of soil taken in by the disk can be adjusted to increase or decrease as desired, and the amount of cultivated soil taken in by the disk can be adjusted to increase or decrease by horizontal displacement of the side cover depending on the condition of raking into the furrow by the disk, and the disk rotor is used to form the ridge. The amount of cultivated soil supplied to the plate can be maintained appropriately by the protruding and retracting operation of the side cover, and even if the properties of the cultivated soil change, the ridges can be stably and continuously obtained.Moreover, the ridges can be formed by moving the side cover left and right. It is an object of the present invention to provide a ridge erecting device in which the width and depth of the grooves between the ridges can be easily adjusted.

An embodiment of the present invention will be described in detail below with reference to the drawings.

Figure 1 is a schematic side view of the entire tractor. In the figure, 1 is an agricultural tractor, 2 is its engine, 3 is a transmission, 3 is a transmission case, 4 is a front wheel, 5 is a rear wheel, 6 is a rear axle, and 7 is a P
A TO axis, 8 a driver's seat, 9 a bundle, 10 a lower link, 11 a top link, 12 a lift arm, and 13 a lifting hydraulic system.

In the figure, 14 is a ridge working machine for forming high ridges 15 for tobacco cultivation, 16 is an internal ridge forming plate, 17 is a disc rotor that supplies cultivated soil to the forming plate 16, and 18 is the rotor 17.
is a transmission shaft that is interlocked and connected to the PTO shaft 7, and is used for tilling and
The working machine 1 equipped on the tractor 1 works on leveled cultivated soil.
4 are suspended to form a high ridge 15.

In the figure, reference numeral 19 denotes a mulching work machine that covers the high ridge 15 with a synthetic resin sheet 20, and includes a main frame 21 whose front end is fixed to the upper surface of the ridge work machine 14, and a grounding machine connected to the lower rear surface of the ridge work machine 14. A chassis 22 is provided.

As shown in FIGS. 2 and 3, two sets of horizontal frames 23 and 24, one end of which is fixed to the main frame 21, are extendable to the left and right, and between both ends of the left and right front horizontal frames 23 and 23. In addition to suspending the sheet roll 20a, the left and right rear horizontal frames 24
, 24. Sheet receivers 25 and 25 are provided at both ends, and the sheet 20 fed out from the sheet roll 20a is supported by the sheet receivers 25 and 25.

A vertical frame 26 is suspended from the rear end of the main frame 21, and the support frame 28 of the sheet guide rod 27 is attached to the culm 26 so that it can be expanded and contracted in the front and rear direction.
At the same time, the support rod 29 of the pressure roll 28 attached to the upper surface of the high ridge 15 is fixed to the culm 26 with a pin 30.degree. 30 so as to be adjustable in height.

The pressure roll 28 has a plurality of idle wheels 31...
and a cushioning material 32 interposed between each ring 31...
..., which are coaxially arranged in parallel and curved in the same shape as the upper surface of the high ridge 15, and the upper surface of the high ridge 15 is freely moved.
The sheet 20 fed out via the sheet receiver 25 and the guide rod 27 is attached to the upper surface of the ridge 15 via a pressure roll 28.

In addition, a soil ridge 33 is formed on the lower surface of the grounding chassis 22, and the outside of the chassis 22 is extended horizontally, and the inside of the chassis 22 is extended along the side slope of the height ridge 15 to form a seat guide plate 34. A guide plate 34 is slidably contacted on both sides of the high ridge 15 formed and covered with the sheet 20, and the guide plate 34 is positioned between the high ridge 15 and the sheet 20 that is fed out via a guide rod.

A support post 35 is erected on the horizontal surface of the chassis 22, and a swing frame 37 that bears an embedded drum 36 that pushes both side edges of the seat 20 into the soil is pivotally supported by the support post 35, and a notch at the rear lower part of the horizontal side 33 is installed. The lower part of the drum 36 is slightly protruded downward from 33a, and the drum 36 is tilted in a direction that intersects the slopes on both sides of the high ridge 15, and the embedded drum 36 bends both side edges of the sheet 20 in the direction of the ridge. Constructed to be pushed inside.

A sheet guide roller 39 is freely rotatably supported at the tip of a shaft rod 38 fixed in the middle of the swing frame 37.

A guide roller 39 is provided close to the front stage of the embedded drum 36, and the roller 39 is formed by a two-wheeled rubber wheel relatively wider than the drum 36, and an auxiliary guide arm 40 is connected to the shaft 38. , so that both side edges of the sheet 20 are sent to the embedding drum 36 via its guide roller 39 and auxiliary guide arm 40.

Further, a spring 41 is applied to the swing frame 37 in a direction to push down the drum 36, and a lever 42 for lifting the embedded drum 36 is connected to the swing frame 37.

An eye-shaped frame 43 is erected on the horizontal surface of the chassis 22, and a cover plate 44 for covering the side edges of the chassis 20 with soil, which is pushed into the soil by the embedding drum 36, and this plate 4
4, an elevating arm 46 is attached to the frame 43, and a pressurizing ring 45 for pressing the soil covered on the side edge of the sheet 20 is provided on the rear end side.

The pressure ring 45 is tilted in the same direction as the embedded drum 36, and the soil cover plate 44 is positioned outside and in front of the shaft 45, and a spring 47 that presses these downwards is applied to the arm 46. A stopper 48 is provided on the frame 43 to abut against the arm 46 in order to restrict the descent of the pressure ring 45 and the like.

In addition, the chassis 22, the guide plate 34, the embedded drum 36
, the guide roll 39, the soil covering plate 44, and the pressure wheel 45 are the high ridge 15.
The sheet 20 is formed symmetrically on the left and right sides, and both edges of the sheet 20 are embedded at the same time by the same means.

As shown in FIGS. 2, 3, and 4, the disc rotor 17 is provided symmetrically on a rotary shaft 49 in front of the ridge forming plate 16 so as to sandwich the disc rotor 17.
No. 7 consists of a plurality of earth-filling disk blades 50 and 51, the inner disk blade 51 near the ridge forming plate 16 has a large inclination α, and the outer disk blade 50 has a small inclination β, and each month 5
The soil feed amount is varied by 0 and 51, and the high ridge 15 is formed so that the internal and external compressed densities are approximately equal.

A rotary cover 52 is provided to cover the upper surface, the rear surface, and the upper portions of both sides of the rotor rotor 17.
The cover 52 is supported by the transmission case 53 and the stay 54, and hinges 56, 56 and 57 are attached to the main beam 55 to which the case 53 and the stay 54 are attached.
57 to the lower link 10 and top link 1
Connect 1.

A depth adjustment frame 59 having a depth adjustment handle 58 is connected to the hinge 57.57,
This frame 59 supports a tail wheel 60.

Also, a reinforcing frame 61 whose one end is connected to the hinge 56
and a vertical frame 62 provided on the back of the rotor cover 52.
are connected by a hexagonal shaft 63, and the front end of the main frame 21 is bolted to the frame 61, and the back surface of the rotor cover 52 inside the frame 62 is cut out to integrally connect the inner molded plate 16. Become.

A hinge member 64 is fixed to the lower end of the vertical frame 62, and the front end of the chassis 22 is rotatably attached to the member 64. A lifting arm 68 is attached to the upright plate 65 at the front end of the chassis 22 via an adjustment screw 66 and a spring 67. Concatenate.

A rotating shaft 70 is attached to the hinge 69 provided on the hexagonal shaft 63.
The arm 68 is fixed to the shaft 70, and a lifting lever 71 connected to the shaft 70 is extended to the rear of the driver's seat 8 of the tractor 1.
The driver operates the lever 71 and lifts the chassis 22 using the hinge member 64 as a fulcrum via the upright plate 65 and the lifting arm 68, thereby interrupting and maintaining the embedding operation of both edges of the seat 20. .

A cutting blade 72 is fixed to the lower end of the vertical frame 62 and the lower surface of the hinge member 64, and the cutting blade 72 is positioned at approximately the same inclination as the embedded drum 36 and on both sides of the ridge forming plate 16,
Sheet embedding grooves 73 into which both side edges of the sheet 20 are pushed in by the embedding drum 36 are formed on both sides of the high ridge 15 by the cutting blades 72.

Further, an auxiliary cutting blade 74 is provided on the lower surface of the front end of the chassis 22, the inclination of which is slightly different from the cutting blade 72 in the front, rear, right and left directions.

A side cover 77 is provided on the rotor cover 52 that covers the rotor 17 so as to be able to protrude left and right through holes 75, 75 and long holes 76, 76.

The side cover 77 covers the rear portion of the side surface of the disc rotor 17, and the side cover 77 catches the cultivated soil that escapes from the lower side of the rotor cover 52 toward the outside, thereby preventing the cultivated soil from advancing toward the outside of the disc rotor 17. Configure it to do so.

A horizontal pipe 78 is removably connected to the outer end of the hexagonal shaft 63, and this pipe 78 is connected to the disc rotor 17.
extends outward and forward.

An extensible rod 79 is rotatably attached to the tip of this pipe 78, and a shoring disk 80 is rotatably supported at the tip of the rod 79.

The inside of the tooth disk 80 faces slightly forward when it is in contact with the ground, and by rotating and abusing the disk 80, the cultivated soil received by this tooth disk 80 is transferred to the disk rotor 17.
It is formed so that it can be sent out in the direction.

Also, a support plate 8 that restricts the rearward movement of the rod 79
1 is attached to the lower surface of the pipe 78, and a hook arm 82 is provided on the upper surface of the pipe 78 to hold and support the rod 79 with the disc 80 on the unused side lifted. is sent to the wheel rotor 17 by a mulching disk 80, and the mulching disk 8 provided outside and in front of the disk rotor 17 and this
The relative position of the side cover 77 with respect to 0 can be adjusted, and the amount of cultivated soil taken in by the disc rotor 17 and the mulching disc 80 can be increased or decreased by horizontal displacement of the side cover 77.

In addition, the ridge work machine 14 has a depth adjustment frame 59.
A gear box 83 is provided at the center of the main beam 55, and the transmission shaft 18 is interlocked and connected to the rotary shaft 49 via a gear (not shown) or the like.

As shown in FIG. 5, a disc 84 having a diameter slightly larger than that of the front wheel 4 of the tractor 1 is closely fixed to the outside of the front wheel 4, and the outer peripheral edge of the disc 84 is dug into the soil, so that the front wheel 4 is The disk 84 prevents sliding to the left and right, and the tractor 1 can be moved only in the direction of the front wheels 4 by operating the bundle 9.

As shown in FIG. 6, a lower link 10 and a top link 1
1 is connected via ball joints 85.85 and 86.86, and the lift rod 87 with a turnbuckle that connects the lift arm 12 to the lower link 10 and the lift arm 12 are connected via a ball joint 88. do.

Further, a long hole 89 is provided at the lower end of the lift rod 87, and a pin 90 for locking the lower link 10 is loosely inserted into the long hole 89, and a key member 91 is fixed to the end of the bin 90. A protrusion 92 for releasably locking the lift rod 87 is formed on the periphery of the elongated hole 89, and when the key member 91 is fixed to the protrusion 92, the lower end of the lift rod 87 is integrally connected to the lower link 10, unlike conventional In addition, even if the tractor 1 is tilted, each link 10, 11.87 fittings 85, 86.8
8 absorbs the torsion of each link 10, 11, 87, and the expansion/contraction strain of the lift rod 87 through the sliding of the elongated hole 89 and pin 90, and allows each working machine 14, 19 to move from side to side of the tractor 1. Regardless of whether the implement 1 is connected via each link 10.11
4.19 is formed so that it can be supported horizontally.

The present invention is constructed as described above, and the ridge work machine 14 and the mulching work machine 19 are exploited by the tractor 1, and the tractor rotor 1 is operated by the PTO shaft 7 of the tractor 1.
7 is driven, the cultivated soil is gathered in the center by the disc rotor 17, and the high ridges 15 are formed by the ridge forming plate 16.

Further, when the tractor 1 is driven back, the mulching disk 80 on the side adjacent to the existing ridge is brought into contact with the ground, and the mulching disk 80 sends the mulch over the groove between the adjacent ridge to the disc rotor 17.

Furthermore, when the high ridge 15 is formed by the molded plate 16, sheet embedding grooves 73 are formed on both sides of the high ridge 15 by the cutting blades 72 on both sides of the plate 16.

Further, the sheet 20 fed out from the sheet roll 20a mounted on the front horizontal frame 23 is stretched in a guide groove 27 that projects downward and forward via the rear sheet receiver 25, and the sheet 20
0 center part is inserted below the pressing roll 28.

In addition, by operating the lever 42, the embedded drum 36 is lifted, and both side edges of the sheet 20 fed out via the guide rod 27 are stretched below the embedded drum 36 via the sheet guide roll 39, and the side edges of the sheet 20 are placed on the chassis 22. It is sandwiched between the wood 33 and the lower part of the embedded drum 6.

Then, when the formation of the high ridge 15 starts, □ the driver pulls up the lever.
71 operation, the chassis 2 is rotated upward, the embedded drum 36, the pressure ring 45, etc. are lifted, and the ridge forming plate 16 is promptly plunged into the soil, so that the high ridge 15 can be formed in an appropriate shape in a short distance. When a high ridge 15 of a specified height is formed by the ridge forming plate 16, the lifting lever 71 is moved back and a part of the bridge 33 is inserted into the sheet embedding groove 73 formed by the cutting blade 72. The lower part of the embedding drum 36 is pushed in, the side edge of the sheet 20 is inserted into the groove 73, soil is covered with a soil cover plate 44, and the iron part is pressed down with a pressure ring 45.

As mentioned above, the high ridges 15 are continuously formed by the ridge making machine 14, and the high ridges 15 are formed by the mulching machine 19.
The sheet 20 is placed over the groove between the adjacent existing ridges, and the soil is sent to the rotor rotor 17 by the disk 80, and the side cover 77 prevents the soil from escaping to the outside of the rotor 17. The amount of cultivated soil fed by the blades 50 and 51 is varied to obtain the high ridges 15 most suitable for growing tobacco, etc., while the central part of the sheet 20 is pressed flat with the pressure roll 28 to maintain the density of the high ridges 15 in an appropriate state. , the sheet 20 is brought into close contact with the high ridge 15, and at the same time as the high ridge 15 is formed, a sheet embedding groove 73 is formed, both side edges of the sheet 20 are bent in the direction of the ridge 15, and the sheet 20 is embedded with the embedding drum 36. Sheet) Both side edges of the sheet 20 are kept fixed in the soil against the expansion and contraction of the sheet 20.

In addition, since each work machine 14.19 is integrally connected,
Their relative positional relationship does not change due to the tips adjustment operation.

As shown in the above embodiments, the present invention is equipped with a disc rotor 17 that supplies cultivated soil to the ridge forming plate 16, and a side cover 77 is provided on the outer side of the tee rotor 17 to cover both rear sides of the tee rotor 17. Rotor 17
In the structure that prevents the escape of cultivated soil to the outside, a side cover 77 is attached to the rotor cover 52 on the rear side of the disc rotor 17 so as to be able to protrude left and right, and a side cover 77 is attached to the rotor cover 52 on the rear side of the disc rotor 17, and a side cover 77 is attached to the rotor cover 52 on the rear side of the disc rotor 17, and a side cover 77 is attached to the rotor cover 52 on the rear side of the disc rotor 17. The relative position of the side cover 77 is configured to be adjustable, and the amount of cultivated soil taken in by the side cover 77 can be adjusted to increase or decrease as desired in accordance with the amount of cultivated soil in the disc rotor 17 portion, the compressibility of the cultivated soil, etc. The amount of cultivated soil taken in by the soil filling disc 80 is determined by the side cover 7 according to the condition of raking on the furrow between the furrows by the soil filling disc 80.
The amount of cultivated soil supplied to the ridge forming plate 16 by the rotor 17 can be maintained appropriately by moving the side cover 77 in and out, and is stable even when the properties of the cultivated soil change. The ridges 15 can be obtained continuously, and the width and depth of the grooves of the ridges 15 can be easily adjusted by moving the side cover 77 from side to side. Therefore, the ridges 15 and the grooves therebetween can be formed simply. It is extremely practical.

It has the following remarkable effects.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a schematic side view of the whole, Fig. 2 is a side view of the main part, Fig. 3 is an explanatory rear view of the main part, and Fig. 4 is a front view of the main part. FIG. 5 is a schematic front view of the tractor, and FIG. 6 is a schematic side view of a three-point link mechanism connecting the tractor and the working machine. 15... High ridges, 16... Ridge forming plate,
17... Disc rotor, 77... Side force bar

Claims (1)

[Scope of utility model registration request] Teeth rotor 17 that supplies cultivated soil to the ridge forming plate 16
In this structure, a side cover 77 is provided on the outer side of the disc rotor 17 to cover the rear side surface of the disc rotor 17 to prevent the tilled soil from escaping to the outside of the disc rotor 17. A ridge raising device characterized in that a side cover 77 is attached to the rotor cover 52 so as to be able to protrude left and right, and the relative position of the side cover 77 with respect to the disc rotor 17 and the levitation disc 80 provided outside and in front of the rotor cover 52 can be adjusted.