JPH04320628A - Ridging and mulching device - Google Patents

Abstract

PURPOSE:To form a great number of lines of ridges in a continuous state in a field by riding and mulching operation by automatically making a ridge forming mechanism part exchangeable between set positions of right side part and left side part based on progress direction of a tilling mechanism part. CONSTITUTION:Rotary central shafts 16 and 43 are set at the rear side part of a machine frame 1 of a tilling mechanism part 25. A ridge forming mechanism part 57 is attached to the rotary central shafts 16 and 43 rotatably in the progress direction of the tilling mechanism part 25. The machine frame 1 is provided with a cylinder device 62 converting the ridge forming mechanism part 57 to the set position of the left side part or the right side part based on the progress direction. The heavy ridge forming mechanism part 57 is readily transferred by laying a control device 86 of stopping working of the cylinder device 62 to secure safety.

Description

[Detailed description of the invention]

[Object of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ridge mulching device that cultivates a field to form ridges, covers the surface of the ridges with a film, and presses the film with soil.

0003

2. Description of the Related Art Conventionally, this type of ridge mulching device has been known, for example, as described in Japanese Utility Model Application Publication No. 62-116671. A transmission having an input shaft for inputting power from the shaft is provided, a tilling rotary rotatably rotated by the power output from the mission is provided in the machine frame, and a link mechanism is provided in the rear part of the machine frame. The connecting frame of the ridge forming mechanism is connected through the connecting frame, and the connecting frame is provided with a ridge forming body and a film feeding mechanism at the rear of the ridge forming body, and is tilled by the tilling rotary. A conveyor is provided to transport and drop a portion of the soil onto the film fed out from the film feeding mechanism, and the power output from the input shaft is transmitted to the drive shaft of the conveyor via a belt and a power transmission shaft. It has been known.

0004

[Problems to be Solved by the Invention] In the configuration described in the above-mentioned publication, during the reciprocating mulching work, a plurality of ridges are erected with a ridge molded body at the rear part of the tillage rotary, and the plurality of ridges are The surface of the ridges and each of these ridges and grooves can be covered with the film fed out from the film feeding mechanism, and the film at the position corresponding to each ridge and groove can be pressed down with soil falling from the conveyor. However, during the backward mulching operation, it is necessary to continuously form multiple ridges on the side ridges formed during the outward mulching operation, so the ridge forming mechanism is moved in the direction of travel of the tilling rotary. On the other hand, it was manually moved laterally to the ridge side of the side formed during the forward mulching work each time.

[0005] For this reason, it takes a lot of effort to switch and move the heavy ridge forming mechanism, and overall, the work efficiency of the back-and-forth multi-work that is repeated sequentially is poor, and it is difficult to ensure safety. There is a problem that it is not desirable.

[0006]The present invention has been made in view of these points, and provides a method for automatically changing the setting position of the ridge forming mechanism to the right side or the left side with respect to the direction of movement of the tilling mechanism. The ridge forming mechanism, which is heavy in weight, can be easily switched and moved, and overall the work efficiency of the reciprocating multi-work that is repeated sequentially can be greatly improved, and safety can also be ensured. The object of the present invention is to provide a ridge mulching device that can do the following.

[Configuration of the invention]

[0008]

[Means for Solving the Problems] The ridge mulching device of the present invention includes a machine frame provided with a transmission having an input shaft, and a tillage rotary rotated by the output from the mission, which is rotatable in the machine frame. A tilling mechanism section installed in
A rotation center shaft provided on the rear side of the machine frame of the tilling mechanism section, and a ridge formed body attached to the rotation center shaft so as to be rotatable in the left and right directions with respect to the traveling direction of the tillage mechanism section. A film feeding mechanism is provided to feed the film onto the surface of the plurality of ridges and ridges formed by the tiller, and a part of the soil tilled by the tilling rotary is fed to the film fed from the film feeding mechanism. A ridge forming mechanism section provided with a conveyor for carrying out and dropping upward, and a ridge forming mechanism section provided on the machine frame of the tilling mechanism section, and moving the ridge forming mechanism section from the rear part of the tilling mechanism section to the right side or around the rotation center axis. A cylinder device that converts the set position to the left side and supports this set position, and a cylinder device that is installed on the machine frame of the tilling mechanism and detects a stop position on the right or left side of the ridge forming mechanism. With,
A control device for stopping the operation of the cylinder device.

[0009]

[Operation] In the ridge mulching device of the present invention, the machine frame of the tilling mechanism section is connected to, for example, a tractor, and the input shaft of this machine frame is connected to the PTO shaft of the tractor, so that the machine frame is moved by the tractor. While being towed, when the input shaft is rotated by the power output from the PTO shaft, the tilling rotary is rotationally driven by the power output from the transmission, and the field is cultivated one by one by this tilling rotary. .

[0010] The tilled soil tilled by the tillage rotary is successively formed into ridges by the ridge forming body of the ridge forming mechanism, and the surface portions of the formed ridges and ridge grooves are covered with a film. It is sequentially coated with a film fed out from a feeding mechanism.

[0011] Also, along with the ridge forming operation, the endless rotating body of the conveyor of the ridge forming mechanism section is rotated rearward and upward. A part of the tilled soil tilled by the tilling rotary is carried into the carry-in part of the conveyor, and is carried backward and upwardly by this endless rotating body, and is removed from the carry-out end part into the ridge. Then, the soil is sequentially carried out and dropped onto the film covering the surface of the ridges at positions corresponding to the ridges, and the film is sequentially pressed down with this soil.

[0012] In this way, the forward mulching work of the ridge mulching work is performed.

[0013] Next, when performing the backward mulching work of the ridge-making mulching work, the tractor turns the machine back to the side of the forward mulching work and changes direction. When the cylinder device is actuated, the ridge forming mechanism section is moved laterally toward the side ridge side during the forward mulching operation by this cylinder device, centering on the rotation center axis of the machine frame of the tilling mechanism section. The ridge forming mechanism is moved to the stop position, and a control device detects that the ridge forming mechanism is moved to the stop position, and the operation of the cylinder device is stopped by the operation of the control device. be done. Therefore, the lateral movement of the ridge forming mechanism is stopped, and this ridge forming mechanism is converted to the set position on the ridge side of the side part during the forward mulching operation. −
It is supported in a rest position by the device.

[0014] Next, when the machine moves forward again, the inbound multi-work is performed sequentially in the same way as in the above-mentioned outbound multi-work.

[0015] Due to the reciprocating mulching work performed by the reciprocating movement of this machine, a large number of ridges and these ridges and grooves are continuously formed in the field, and the surface portions of these many ridges and these ridges and grooves are covered with a film. At the same time, this film is pressed down by soil sequentially falling from the conveyor at positions corresponding to each groove.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

In the figure, 1 is a machine frame, and this machine frame 1 is
It is composed of a main frame 2 and side frames 3 fixed to the left and right sides of the main frame 2. A mission case 5 containing a built-in transmission 4 is fixed to the main frame 2, and an input shaft 6 consisting of a spline shaft for transmitting power to the transmission 4 is attached to the front side of the mission case 5. It is rotatably protruded towards. Further, a chain case 7 and brackets (not shown) are attached to the lower left and right parts of the main frame 2, and a tilling rotary is installed between the opposing lower ends of the chain case 7 and the brackets. 8 tilling shafts 9 are rotatably mounted, and the tilling shafts 9 are rotatably coupled to the output shaft of the transmission 4 via a coupling medium. Further, a cover body 10 that covers the upper part and left and right side parts of the tilling rotary 8 is fixed between the opposing upper parts of the chain case 7 and the bracket.

Further, a lower pin 13 is provided at the front end of each of the left and right side frames 3 to connect the rear ends of the left and right lower links 12 of the tractor 11.
A mounting frame 14 is fixed between the rear ends of the left and right side frames 3. A rotation center shaft 16 is located in the middle of the front frame 15 extending in the left-right direction of the mounting frame 14.
is fixed vertically, and a plate-shaped front support frame 18 is integrally provided horizontally protruding forward at one end of a rear frame 17 extending in the left-right direction of this mounting frame 14. At the same time, a plate-shaped rear support frame 19 is integrally provided at the other end of the rear frame 17 and projects horizontally toward the rear.

Furthermore, a transmission case 21 containing an interlocking mechanism 20 interlocked with the input shaft 6 is provided at the upper part of the main frame 2, and a pair of transmission cases 21 are provided at the upper end of the transmission case 21. Connecting pieces 22 are provided to protrude forward in parallel, and a connecting portion 24 for connecting the top link 23 of the tractor 11 is provided at the front end of the pair of connecting pieces 22 . Thus, the machine frame 1, the tilling rotary 8, the transmission 4 having the input shaft 6, and the transmission case 2 incorporating the interlocking mechanism 20.
1 constitutes a tilling mechanism section 25.

Next, the tip of the connecting frame 26 is attached to the rotation center shaft 16 of the mounting frame 14 fixed between the rear ends of the left and right side frames 3 in the direction of movement of the tilling mechanism section 25. A pair of first support frames 27 are attached to the rear frame 17 at the lower rear side of the connecting frame 26 so as to be rotatable in the left-right direction. A second support frame 28 is integrally provided at the rear end of the connecting frame 26 so as to be inclined toward the rear end thereof, and a second support frame 28 is integrally provided to project rearward in a horizontal manner. The tilling rotary 8 is disposed in the longitudinal direction of the horizontal connecting rod 29 fixed between the lower ends of the pair of first support frames 27.
A ridge forming body 30 is connected to the connecting rod 29 for forming a plurality of ridges, and a grounding ring 31 is rotatably mounted on both left and right ends of the connecting rod 29.

A third support frame 33 is supported at the rear end of the second support frame 28 via a vertical shaft 32 so as to be rotatable in the horizontal direction. A fourth support frame 34 is attached horizontally to the front of the frame 33, and a support frame 34 located at the rear of the ridge molded body 30 is attached to the front of the fourth support frame 34. A film feeding mechanism 35 that supports the film F in a freely feeding manner is attached,
Film F fed out from this film feeding mechanism 35
A plurality of ridges and the surface portions of these ridges and grooves are covered by the ridges. Further, a suspension frame 36 is attached to the rear part of the fourth support frame 34, and a suspension frame 36 is attached to the left and right portions of the lower end of the suspension frame 36. A plurality of film pressing rings 37 are rotatably mounted on a shaft at positions corresponding to each of the plurality of ridges and grooves.

Furthermore, a support frame 39 is rotatably attached to the rear end of the third support frame 33 via a vertical support shaft 38, and this support frame 39 has a plurality of ridges. A plurality of branch chutes 40 for dropping soil for film pressing onto each of the branches.
The upper part of the is attached integrally. Further, one end of an interlocking rod 42 is rotatably attached to one end of the support frame 39 via a link 41, and the other end of the interlocking rod 42 is connected to the front support frame 18 through a rotation center axis. 43, and this rotation center shaft 43 is provided on the same axis as the rotation center shaft 16 to which the connecting frame 26 is pivoted.

Next, the second support frame 28 has a loading portion connected to the tilling rotary 8 and the ridge formed body 30.
A conveyor 4 arranged between the
4 is supported. This conveyor 44 has a conveyor frame 45 supported by the second support frame 28, and a driven roller at the lower end of the conveyor frame 45.
A drive roller 46 is rotatably mounted on a shaft, and a drive roller 48 fixed to a drive shaft 47 is rotatably mounted on the upper end of the conveyor frame 45. Further, between the driving roller 48 and the driven roller 46, an endless rotating body 50 having a large number of soil supporting pieces 49 projecting from the outside at predetermined intervals is suspended so as to be freely rotating. ing. Also, the upper end front part of the conveyor frame 4564 and the transmission case 2
A cylindrical cover body 51 is connected between the interlocking mechanism 20 and the conveyor 44.
A power transmission shaft (not shown) is rotatably provided to interlock and connect the drive shaft 47 and transmit the output from the interlocking mechanism 20 to the drive shaft 47. In addition, 52 in the figure is a tension roller for the endless rotating body 50.

Further, a guide body 53 for guiding the soil to each of the branch chutes 40 is integrally attached to the rear side of the upper end of the conveyor frame 45, and a lower surface of this guide body 53 is attached to the rear side of the upper end of the conveyor frame 45. A soil fall port 54 is opened to the branch chute 40, and a shutter 55 for opening and closing the soil fall port 54 is attached to the guide body 53 on a support shaft 56.
The shutter 55 is supported so as to be rotatable in the vertical direction using the shutter 55 as a fulcrum, and is intermittently moved up and down by a vertical movement means (not shown) to open and close the soil drop opening 54 intermittently. Note that by rotating and supporting the shutter 55 upward, the soil fall port 54 can be kept open at all times. Then, the ridge molded body 30, the film feeding mechanism 35, the film presser ring 37, the branch shoe
A conveyor 44 having a shutter 40 and a shutter 55 constitutes a ridge forming mechanism section 57.

Next, one end of an interlocking piece 59 is rotatably attached to the lower rear end of the connecting frame 26 via a support shaft 58, and the other end of the interlocking piece 59 is It is rotatably attached to the vicinity of the other end of the interlocking rod 42 via a support shaft 60. Further, a cylinder is attached to the rear support frame 19 of the machine frame 1.
An electric cylinder 62 having a motor 61 as a device is rotatably attached to a support shaft 63, and this electric cylinder
The tip of the rod 64 that can move forward and backward at 62 is connected to the interlocking piece 59.
It is rotatably attached to the vicinity of the other end via a support shaft 65. By the operation of the electric cylinder 62, the ridge forming mechanism section 57 rotates around the rotation center shafts 16, 43.
is moved and displaced in the left-right direction with respect to the tilling mechanism section 25, and its set position is supported.

Furthermore, the first support frame 2 is attached to the lower end of the rotation center shaft 43 to which the other end of the interlocking rod 42 is attached.
The end of the support frame 66 supporting the upper end of the spacer 67
A mounting plate 68 is vertically formed at the outer end of the support frame 66, and a first limit switch 69 and a second limit switch 70 are mounted at the front and rear of the mounting plate 68. are attached at predetermined intervals, and sensing rods 71 and 72 of the first limit switch 69 and the second limit switch 70 project vertically downward.

Further, at the other end of the interlocking rod 42, an elongated plate-shaped guide piece 73 is integrally provided outwardly projecting at right angles to the interlocking rod 42. A long guide groove 74 extending outward is formed in the guide piece 73, and a support plate portion 75 is provided at the outer end of the guide piece 73 to protrude downward at a substantially right angle. 75
A portion of the adjusting screw 76 near the operating portion 77 is rotatably inserted through and supported by the adjusting screw 76 . Further, a sliding piece 79 at the upper part of the operating frame 78 is in contact with the lower part of the guide piece 73, and
Bolts 80 projecting upward from the left and right sides of the sliding piece 79 are slidably inserted into the long guide groove 74 and project upward, and the bolts 80 on the left and right sides are prevented from coming off. A dual-purpose nut 81 is screwed onto each of them.

Further, a nut 8 is provided, in which the threaded portion of the adjusting screw 76 is rotatably screwed onto the vertical portion 82 of the operating frame 78.
3 is fixed thereto, and an actuating piece 84 is horizontally protruded inward from the lower part of the actuating frame 78, and the first limit switch 69 is mounted on both sides of the tip of the actuating piece 84. sensing rod 71 and second limit switch 70
An actuating portion 85 for pushing each of the sensing rods 72 is tapered inward. And the first
limit switch 69, second limit switch 70
, and an operating frame 78 having an adjustment screw 76 slidably attached to the guide piece 73.
A control device 86 is configured to control the operation of.

Further, a support piece 87 is provided on the lower side of the conveyor frame 45 horizontally protruding forward, and the front end of this support piece 87 extends between the left and right side frames 3 of the machine frame 1. It is pivotally attached to a support frame 88 fixed to the frame 88 via a rotation center shaft 89 so as to be rotatable in the left and right direction, and this rotation center shaft 89 supports the connecting frame 26 so as to be rotatable in the left and right direction. It is provided on the same axis as the rotation center axis 16.

Next, the operation of the above embodiment will be explained.

The left and right lower links 12 of the tractor 11 are connected to the left and right lower pins 13 of the machine frame 1, and the top link 23 of the tractor 11 is connected to the upper connecting portion 24 of the machine frame 1. A PTO shaft of a tractor 11 is connected to an input shaft 6 of a transmission 4 of a frame 1. When performing ridge mulching work along the rear of the tilling mechanism section 25, the electric cylinder 62 is operated to move the tilling mechanism section 25.
A ridge forming mechanism section 57 is arranged and set directly behind the ridge forming mechanism section 57.

Then, the machine frame 1 is pulled by the tractor 11, and the input shaft 6 is pulled by the output from the PTO shaft.
When the tillage rotary 8 is rotated, the tillage rotary 8 is rotationally driven by the output from the mission 4, and the field is sequentially tilled by the tillage rotary 8. Further, the tilled soil tilled by the tillage rotary 8 is sequentially formed into a plurality of ridges A in the ridge forming body 30, and the formed plurality of ridges A and each of the ridge grooves B are formed. The surface portion of is sequentially covered with the film F fed out from the film feeding mechanism 35.

Further, the film F covering the surface portions of the plurality of ridges A and the respective ridges and grooves B is sequentially pressed by each film presser ring 37 in each of the ridges and grooves B.

Furthermore, when the input shaft 6 is rotated as described above, the output from the input shaft 6 is transmitted to the power transmission shaft within the cover body 51 via the interlocking mechanism 20, and the power is transmitted to the power transmission shaft within the cover body 51. The rotation of the transmission shaft rotates the drive shaft 47 of the conveyor 44, and the endless rotating body 50 of the conveyor 44 is rotated rearward and upward by the drive shaft 47. A part of the tilled soil tilled by the tilling rotary 8 is transferred to the conveyor 44.
At the same time, it is carried into the carrying-in section of the machine, and is transported rearward and upwardly by this endless rotating body 50, and is guided from this carrying-out end by the guide body 53 and carried out to each of the branch chutes 40. , the surface portions of the ridges A and ridges B are covered from each branch chute 40, and each film presser ring 3
The film F is sequentially carried out and dropped to positions corresponding to the respective ridges B on the film F held down by the ridges 7, and the film F is sequentially held down by the soil C in each of the ridges B.

Next, as shown in FIG.
When the ridge forming mechanism section 57 is displaced to the left side with respect to the direction of movement of the ridge forming mechanism 57 and the ridge forming mulching operation is performed, the motor 61 is operated to move the rod 64 of the electric cylinder 62. When extended, each component of the ridge forming mechanism section 57 except the ridge forming body 30 is moved by the rod 64 to the tilling mechanism section 2.
The ridge forming mechanism section 57 is rotated toward the left in FIG. The operating frame 78 provided on this guide piece 73 is similarly rotated toward the left in FIG. Then, as shown in FIG. 6, the actuating portion 85 on one side formed at the tip of the actuating piece 84 of the actuating frame 78 pushes the sensing rod 71 of the first limit switch 69. is rotated, the first limit switch 69 is activated, a stop signal is output from the first limit switch 69 to the motor 61, and the operation of the motor 61 is stopped. The operation of the electric cylinder 62 is stopped and the rod 6
4 is stopped.

Therefore, the ridge forming mechanism section 57 excluding the ridge forming body 30 is displaced to the setting position on the left side with respect to the advancing direction of the tilling mechanism section 25, as shown in FIG. The mechanism section 57 is supported at a stop position by an electric cylinder 62.

As shown in FIG. 9, by the forward ridge mulching operation of this machine, a large number of ridges A and these ridge grooves B are continuously formed in the field, and this large number of ridges A
The surface portions of these ridges and grooves B are continuously covered with a film F, and this film F is coated with soil C that is sequentially dropped from the conveyor 44 at positions corresponding to each groove portion B.
is held down by

Next, as shown in FIG. 8, the tractor 11
When turning back the machine to change direction and displacing the ridge forming mechanism section 57 to the right side with respect to the advancing direction of the tilling mechanism section 25 to perform the return mulching operation of the ridge-making mulching operation, the motor actuate the rod 6 of the electric cylinder 62.
4, the rod 64 causes the ridge molded body 30 to shrink.
Each component of the ridge forming mechanism section 57 except for the ridge forming mechanism section 57 is rotated toward the right in FIG. A guide piece 73 integral with the other end of the interlocking rod 42 and an operating frame 78 provided on the guide piece 73 are similarly rotated toward the right in FIG. Then, the other actuating portion 85 formed at the tip of the actuating piece 84 of the actuating frame 78 pushes the sensing rod 72 of the second limit switch 70, and this sensing rod 7
2 is rotated, the second limit switch 70 is activated, a stop signal is output from the second limit switch 70 to the motor 61, and the operation of the motor 61 is stopped. , the operation of the electric cylinder 62 is stopped, and the contraction operation of the rod 64 is also stopped.

Therefore, the ridge forming mechanism section 57 excluding the ridge forming body 30 is displaced to the set position on the right side with respect to the advancing direction of the tilling mechanism section 25, and the ridge forming mechanism section 57 The mechanism section 57 is supported at a stop position by an electric cylinder 62, and the right end portion of the ridge forming mechanism section 57 in the direction of movement is not covered with the film F formed by the forward ridge erecting multi-work. It is arranged at a position opposite to a single ridge D at the side end.

[0040] By the backward ridge mulching operation of this machine, a large number of ridges A and these ridges B are continuously formed in the field, and this large number of ridges A and these ridges and grooves B are
The surface portion of is continuously covered with the film F, and the film F is pressed down by the soil C sequentially dropped from the conveyor 44 at the positions corresponding to the respective grooves B.

At this time, as shown in FIG. 10, one ridge D at the side end not covered with the film F formed by the forward ridge mulching operation and another ridge E adjacent to this ridge D are removed. The surface portions of these ridges and grooves are covered with film F.

When performing the ridge mulching work in the reciprocating process, loosen the left and right nuts 81 that support the operating frame 78,
The left and right bolts 80 having this nut 81 are
3, the operating part 77 is rotated to rotate the adjusting screw 76, and the operating frame 78 is moved in the left-right direction via the nut 83 screwed onto the adjusting screw 76. The actuating portion 85 formed on the actuating piece 84 of the actuating frame 78 is adjusted to move toward and away from the sensing rod 71 of the first limit switch 69 and the sensing rod 72 of the second limit switch 70. Ru. Then, the operating position of the operating portion 85 in the operating frame 78 is set, and the nuts 81 of the left and right bolts 80 provided on the sliding piece 79 of the operating frame 78 are again tightened and fixed. Therefore, the position of the actuating part 85 of the actuating frame 78 that pushes the sensing rods 71 and 72 is adjusted and set, and the vibration amplitude that causes the ridge forming mechanism part 57 to vibrate in the left-right direction is adjusted and set.

In the above embodiment, the electric cylinder 62 is used as the cylinder device whose operation is controlled by the first limit switch 69 and the second limit switch 70, but the invention is not limited to this, and the hydraulic cylinder - may also be used. In this case, the first
limit switch 69 and second limit switch 7
It is preferable to connect the hydraulic cylinder to 0 via a solenoid valve.

[0044]

According to the present invention, a rotation center shaft is provided at the rear side of the machine frame of the tilling mechanism section, and the ridge forming mechanism section is attached to this rotation center shaft so as to be freely rotatable in the left and right directions. A cylinder device is provided in the machine frame of the tilling mechanism section to change the setting position of the ridge forming mechanism section from the rear part of the tilling mechanism part to the right side or left side of the tilling mechanism part about the rotation center axis, Since the machine frame is provided with a control device that stops the ridge forming mechanism at the right or left stop position, the ridge forming mechanism can be moved to the right or left set position with respect to the direction of movement of the tilling mechanism. Automatic conversion settings are possible, making it easy to switch and move the heavy ridge forming mechanism.
Overall, it is possible to provide a ridge mulching device that can significantly improve the work efficiency of sequentially repeated reciprocating mulching work and also ensure safety.

[Brief explanation of drawings]

FIG. 1 is a ridge mulch device showing one embodiment of the present invention.

FIG. 2 is a plan view of the same as above.

FIG. 3 is a plan view of a connecting portion of the ridge forming mechanism section.

FIG. 4 is a side view of the same as above.

FIG. 5 is a cross-sectional view of the control mechanism section same as above.

FIG. 6 is an explanatory diagram of the same operation as above.

FIG. 7 is a plan view of the ridge forming mechanism section displaced to the left side.

FIG. 8 is a plan view of the ridge forming mechanism section displaced to the right side.

FIG. 9 is a cross-sectional view of a ridge formed by the forward mulching operation of the same as above.

FIG. 10 is a cross-sectional view of a ridge formed by the same backward mulching operation.

[Explanation of symbols]

1 Machine frame 4 Mission 6 Input shaft 8 Plowing rotary 16 Rotation center axis 25 Cultivation mechanism department 30 Ridge molded body 35 Film feeding mechanism 43 Rotation center axis 44 Conveyor 57 Rittle forming mechanism section 62 Cylinder device 86 Control device F Film

Claims (1)

[Claims] 1. A tilling mechanism section comprising a transmission having an input shaft on a machine frame, and a tilling rotary rotatably provided on the machine frame to be rotated by an output from the mission; A rotation center shaft provided on the rear side of the machine frame, and a ridge molded body attached to the rotation center shaft so as to be rotatable in the left and right directions with respect to the traveling direction of the tilling mechanism section. A film feeding mechanism is provided to supply the film to the surface portions of the plurality of ridges and ridges, and a part of the soil tilled by the tilling rotary is carried out and dropped onto the film fed out from the film feeding mechanism. A ridge forming mechanism section provided with a conveyor and a machine frame of the tilling mechanism section are provided, and the ridge forming mechanism section is set at a position from the rear part of the tilling mechanism section to the right side or left side about the rotation center axis. a cylinder device that converts the setting position and supports this setting position; A ridge mulching device characterized by comprising a control device for stopping the operation of the device.