JPH10295105A - Leeve plastering machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leeve plastering machine which can prevent the loosing of weight ballance due to the generation of offset load on the side of a tractor by regulating the cutting depth of the disk cut-processing the upper face part of the old leeve to cut-process the upper face part of the old leeve by a prescribed depth leaving the root of weeds, etc., by a disk to make the towing resistance comparatively small. SOLUTION: The machine is provided with a rotary 33 with many cutting edges 35 at a rotary shaft 34 in a direction crossing with the old leeve, a leeve plastering body 42 plastering the old leeve with mud to repair and form the old leeve and the preprocessing means 71 of the old levee A. The means 71 is provided with a fitting arm 73 projecting forward at one side tip part of a device frame 1, the disk 74 rotatably shaft-crossing with a fixing arm 73 in the state of tilting toward the old leeve to cut the upper face of the old leeve to a prescribed depth leaving the roots of weeds, etc., and a ground wheel 75 positioned in front of the disk 74 and rotatably shaft-crossing with the arm 73 to travel the upper face part of the old leeve to regulate the cutting length of the disk 74.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a furrowing machine and, more particularly, to a furrowing machine for repairing an old furrow which divides a paddy field and repairing the furrow.

[0002]

2. Description of the Related Art Conventionally, as a ridge coater of this type, for example, as described in Japanese Utility Model Laid-Open Publication No. Hei 7-25704, a rotating shaft in the direction of an old ridge (former ridge) is attached to a main body case connected to a tractor. A rotary having a rotary claw for shaving the side surface of the old ridge and a rotary blade for scattering mud on the upper surface of the ridge is provided rotatably in a clockwise direction when viewed from the front, and the mud from the rotary blade is shaped into the upper surface of the ridge by vibration on the upper surface of the ridge. Provide a ridge shaping plate to form a new ridge, project the bearing arm attached to the main body case toward the front of the rotary, and rotate the pretreatment plow to scrape off the shoulder of the old ridge at the tip of this bearing arm. There is known a configuration in which the pretreatment plow is freely provided and the pretreatment plow is mounted in a posture in which a ridge-cutting reaction force in a direction opposite to that of the rotary is provided.

[0003]

In the configuration described in the above publication, the pretreatment plow is attached to the main body case via the bearing arm, and the depth of shaving off the shoulder of the old ridge is regulated by the main body case. Therefore, when the tractor moves up and down during the ridge work, the tractor moves the main body case up and down and also moves the pretreatment plow up and down. It is easy to cut the shoulder of the old ridge too deeply without leaving the root in the state where it grows. The ridges are compacted by the roots that have grown, but there is a problem that the new ridges are likely to collapse when the old ridges are repaired with ridges without leaving the roots where weeds grow.

[0004] Further, since the rotary has a rotary claw and a rotary blade on a rotation axis in the old ridge direction and is rotated clockwise in a front view, there is a problem that the tractor for pulling the ridge coating machine tends to increase the traction resistance. is there.

Further, the ridge shaping plate provided with the pretreatment plow, the rotary and the vibration mechanism is fixed to the main body case in a state protruding outward of the wheels of the tractor. In the non-row coating work, the ridge shaping plate equipped with the pretreatment plow, rotary and vibration mechanism is protruded greatly to the outside of the wheel on one side of the tractor, and is lifted and moved by the suspension mechanism of the tractor in a state of being biased. Therefore, uneven load is generated on the tractor side by the ridge shaping plate equipped with the pretreatment plow, the rotary and the vibration mechanism, the weight balance is impaired, and stable running when traveling on roads and entering and exiting the field is secured. However, there is a problem that traffic obstacles are likely to occur.

The present invention has been made in view of such a problem, and it is possible to reliably control the cutting depth of a disk for cutting the upper surface of an old ridge even if the tractor moves up and down during the ridge work. With this disc, the upper surface of the old ridge can be cut at a predetermined depth that leaves the roots of weeds, etc., the traction resistance of the tractor is relatively small, and in non-row coating work at the time of running on the road and entering and leaving the field, It is an object of the present invention to provide a ridge coater that can reduce a load imbalance on a tractor side and a weight balance is not impaired, can ensure a stable running when traveling on a road and when entering and exiting a field, and can also solve a problem of a traffic obstacle. Is what you do.

[0007]

According to a first aspect of the present invention, there is provided a ridge coating machine having a connecting portion connected to a suspension mechanism of a tractor, and a direction intersecting an old ridge provided rotatably on the machine frame. A rotary having a number of cutting blades for cutting and bouncing mud for ridge coating on a rotating shaft of the rotary shaft, and a plurality of cutting blades of the rotary provided rotatably provided on the machine frame at a position behind the rotary. A ridge-coated body for repairing and repairing the old ridge by applying mud for ridge coating that has been flipped up to the old ridge, and a pretreatment means provided in front of the rotary and cutting the upper surface of the old ridge, A mounting arm protruding substantially horizontally forward at one end of the machine frame; and a vertical position adjuster for the mounting arm positioned forward of the rotary. As inclined as possible and to the side of the old ridge A disk in rotatably Jikuka cutting to a predetermined depth leaving a root weeds such as the upper surface of the old ridge,
A grounding wheel that is positioned in front of the disk so as to be vertically adjustable on the mounting arm and rotatable and runs on the upper surface of the old ridge to regulate the cutting depth of the disk. Is the thing.

Then, the machine frame is towed along the old ridge by the tractor, and the upper surface of the old ridge is made of weeds or the like by the disk of the mounting arm protruding at one end of the machine frame. The cutting is sequentially cut to a predetermined depth to leave the root, and these cut soils are sequentially removed toward the side of the old ridge. At this time, even if the tractor moves up and down, the cutting depth of the disc is regulated by the grounding wheel, so this disc does not penetrate deeply into the upper surface of the old ridge and does not cut too deep. The upper surface of the old ridge is sequentially cut to a predetermined depth that leaves roots of weeds and the like.

[0009] Further, as the machine frame is towed and the rotary and the ridge-coated body are driven and rotated, respectively, the side surfaces of the old ridge and the edge of the old ridge are sequentially cut by each cutting blade of the rotary. At the same time, these cut soils are jumped up and supplied toward the ridge body as mud for ridge coating.

[0010] At this time, since each cutting blade of the rotary is provided on the rotary shaft in the direction intersecting the old ridge, the rotary is driven to rotate toward the traction of the machine frame, so that the rotary is driven in the old ridge direction. The traction resistance of the tractor is relatively small and reduced as compared with that provided on the rotating shaft.

Further, the mud for furrowing supplied to the furrowing body is successively painted along the side surface and the upper surface of the old furrow by the furrowing body, and the side of the old furrow faces downward. The upper part of the old ridge is restored to a horizontal surface at the same time as the slope is gradually expanded. Therefore, the old ridges are sequentially arranged in a predetermined form.

According to a second aspect of the present invention, the mounting arm is attached to a mounting shaft protruding from one end of the machine frame so as to be rotatable in the vertical direction. The disc and the grounding wheel can be moved to a working position where the upper surface of the old ridge is cut and the disc and the grounding wheel can be moved to a non-working position where the disc and the grounding wheel are tilted upward after the rotary.
Things.

At the time of ridge coating work, the mounting arm is rotated downward about the mounting shaft at one end of the machine frame, so that the disk and the grounding wheel of this mounting arm are cut into the upper surface of the old ridge. The disc is regulated to a predetermined depth position on the upper surface of the old ridge leaving a root of a weed or the like by the grounding wheel.

Further, during the non-row coating operation, the mounting arm is rotated upward about the mounting shaft at one end of the machine frame, so that the disk and the grounding wheel of the mounting arm are tilted rearward and upward of the rotary. It is easily installed in the non-working position, the whole form is reduced in size, and it is easy to get in and out of the field and travel.

According to a third aspect of the present invention, there is provided a furrowing machine according to the first or second aspect, wherein the mounting arm pivots on a mounting shaft protruding from one end of the machine frame at a base end. A cylindrical fitting portion freely fitted, a movable plate integrally formed at one end of the fitting portion and joined to a fixed plate integrally formed at a base end of the mounting shaft; And a detachable fixing pin for positioning a plate on the fixing plate.

The mounting arm is smoothly rotated up and down around the mounting shaft at one end of the machine frame by the cylindrical fitting portion, and the disk and the grounding wheel of this mounting arm are moved to the old ridge. It is easily moved to a work position where the upper surface portion is cut and a non-work position where it is tilted upward after the rotary.

Further, when the disc and the grounding wheel are moved to the working position and when the disc and the grounding wheel are moved to the non-working position tilted upward and rearward of the rotary, the movable plate of the fitting portion is fixed to the fixing pin of the mounting shaft. By positioning the mounting arm, the mounting arm having the disk and the grounding wheel is reliably positioned at the respective positions.

According to a fourth aspect of the present invention, in the ridger according to any one of the first to third aspects, the position of the mounting arm can be adjusted at one end of the machine frame in the width direction of the old ridge. Is attached to.

Then, by moving and adjusting the position of the mounting arm in the width direction of the old ridge, the disk and the grounding wheel of the mounting arm can be easily installed at predetermined positions in the width direction of the old ridge. The disc and the ground contact wheel can be easily variably adjusted to an appropriate position for cutting the upper surface of the old ridge according to the situation of the old ridge.

According to a fifth aspect of the present invention, there is provided a furrowing machine according to the first aspect, wherein the rotary and the furrowing body project from a wheel of the tractor outward and a furrowing work position and an inside of the tractor. It can be moved to the non-row coating work position which has been retracted in the opposite direction.

At the time of the ridge coating work, the rotary and the ridge coating body are moved outward so that the rotary and the ridge coating body are projected outward from one wheel of the tractor. The painted body is easily positioned at the ridge painting work position.

Further, during the non-row coating work, the rotary and the ridge coating body are moved backward toward the inside of the tractor, so that the rotary and the ridge coating body are retracted inside the tractor, and the rotary and the ridge coating body are moved backward. The painted body is easily positioned at the non-row painting work position, so that the rotary and the ridge painted body are prevented from largely protruding outward from the wheels on one side of the tractor, respectively.

A rotary and ridge-coated body is disposed at a predetermined position behind the machine frame, and the rotary and ridge-coated bodies do not cause an unbalanced load on the tractor side, so that the weight balance is not impaired. Ingress and egress and stable driving on the road are ensured, and the problem of traffic obstruction is solved.

[0024]

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

Reference numeral 1 denotes a machine frame. The machine frame 1 has a left-right main frame 2 in the form of a hollow prism. Lower arms 3 are respectively inclined at both ends of the main frame 2 toward the front and below, and are integrally formed. The connecting portions 4 are protruded from the distal ends of the lower arms 3 on both sides, respectively, and the connecting portions 4 on both sides are formed by lower pins 5 in the left-right direction.

Further, a mast 6 is provided at an intermediate upper portion of the main frame 2 so as to be inclined and protruded forward and upward, and a connecting portion 7 is provided at a tip end of the mast 6.
Is formed by a detachable connecting pin 8. A plate-like mounting frame 9 is integrally fixed along a lower portion of the main frame 2, and a power relay shaft 11 in a front-rear direction is rotatable by a bearing body 10 at a substantially middle portion in the left-right direction of the mounting frame 9. The power relay shaft 11 has connecting shaft portions 12 protruding from front and rear portions of the bearing body 10 at the front and rear, respectively.

At both ends of the main frame 2, mounting plates 13 project from the upper and lower sides of the main frame 2 in parallel to each other in parallel to each other. Vertical mounting shafts 14 are respectively attached to the 13 in a detachable manner.

Further, a hollow cylindrical holder 15 having an open upper and lower surface is integrally fixed to an outer portion of the lower arm 3 on one side, and a prism-shaped left and right support arm is fixed to an outer portion of the lower arm 3 on the other side. The support arm 16 is integrally and horizontally protruded outwardly, and a hollow cylindrical holder 17 having upper and lower openings is integrally fixed to the protruding end of the support arm 16.

Reference numeral 18 denotes a movable frame as the machine frame 1 disposed behind the main frame 2. The movable frame 18 has a hollow pipe-shaped frame body 19 extending in the left-right direction. A first transmission case 20 in the front-rear direction is attached to one end of the frame body so as to be rotatable vertically, and a rotating plate 21 in the front-rear direction parallel to the first transmission case 20 is attached to the other end of the frame body 19. Are mounted so as to be rotatable vertically.

The frame main body 19 is provided with a transmission 23 at an intermediate portion of the transmission main body 23 so as to rotatably project the input shaft 22 toward the front, and a first output shaft 24 of the transmission 23 is connected to one end of the frame main body 19. The output end of the first output shaft 24 is rotatably protruded into the base end of the first transmission case 20.

The second output shaft 25 of the mission 23
Is rotatably provided on the other side in the frame main body 19. Further, the first output shaft is provided in the mission 23.
24 bevel gear 26, bevel gear 27 of the second output shaft 25
A bevel gear 28 of the input shaft 22 meshed with the bevel gears 26 and 27 is provided.

A second transmission case 29 in the form of a hollow pipe in the left-right direction is mounted between the first transmission case 20 and the end of the rotary plate 21 in parallel with the frame body 19. A left and right transmission shaft 30 is rotatably provided in the second transmission case 29, and one end of the transmission shaft 30
The transmission end of the transmission shaft 30 is provided at the output end of the first output shaft 24 with the interlocking medium 31 provided in the first transmission case 20. It is interlocked and linked through.

Next, the other end of the transmission shaft 30 is connected to the second
Is rotatably supported by a bearing body 32 provided at the other end of the transmission case 29, and the other end of the transmission shaft 30 is covered with mud for ridge coating toward the outside in the extension direction of the transmission shaft 30. Is rotatably connected to a rotary 33, which cuts and bouncing to a ridge body described later.

The rotary 33 is connected to the other end of the transmission shaft 30 in the left-right direction, that is, in the direction crossing the old ridge A. A plurality of cutting blades 35 radially protruding through a bracket 34a, and an embankment step on the side of the old ridge A protruding from the outer side of the disc-shaped bracket 34a at the outer end of the rotary shaft 34. B
And a cutting projection 36 in the radial direction of a disk-shaped bracket 34a.

Of the plurality of cutting blades 35, the plurality of cutting blades 35 of the disk-shaped bracket 34a to which the cutting protrusions 36 are fixed are shorter than the lengths of the other cutting blades 35, and the tips are inward. The lower part of the old ridge A is cut by each of the shorter cutting blades 35a, and the edge of the old ridge A is cut by each of the other longer cutting blades 35b. As a mud for furrowing, it is made to jump up to a furrowing body described later.

A cover 37 covering the front surface, upper surface, and both side surfaces of the rotary 33 is fixed to the tip of the rotary plate 21. Then, by rotating the rotary 33 in the up-cut direction,
Each cutting blade 35 cuts the side of the old ridge and the edge of the ridge as mud for ridge coating, and the mud is guided by the cover body 37, and from the rear surface of the cover body 37, a ridge described later is formed. It is designed to be fed up to the painted body.

A third transmission case in the front-rear direction inclined downward and rearward at the other end of the frame body 19.
The output end of the second output shaft 25 projects into the third transmission case 38. In addition, the third
A bearing 39 is fixed to the rear end of the transmission case 38, and a left-right rotating shaft 40 is rotatably mounted on the bearing 39. One end of the rotating shaft 40 is connected to the third transmission case 38. The protruding end of the rotary shaft 40 is interlocked to the output end of the second output shaft 25 via an interlocking medium 41.

Next, each cutting blade of the rotary 33 is positioned at the other end of the rotary shaft 40 behind the rotary 33.
Apply the mud flipped up at 35 to the old ridge A
A ridge-coated body 42 for restoring is fixed. This ridge body
Reference numeral 42 denotes a conical side restoration part 43 for restoring the side part of the old ridge A to a slope that is expanded downward, and a continuous part of the old ridge A that is integrally connected to the reduced-diameter end of the side restoration part 43. And a cylindrical upper surface restoring portion 44 for restoring the upper portion to a horizontal surface.

The ridge-coated body 42 is driven to rotate in the down-cut direction by the rotation shaft 40, so that the side portion of the old ridge A is expanded downward at the side-surface restoration portion 43. At the same time as the surface is restored, the upper part of the old ridge A is restored to a horizontal surface by the upper surface restoration part 44. The upper part of the ridge-coated body 42 is covered with an extended cover portion 37a continuous with the cover body 37.

Next, connecting arms 45 in the front-rear direction are fixed to both sides of the frame main body 19 in a horizontal and parallel manner toward the front, respectively, and mounting plates are provided above and below the distal ends of the connecting arms 45 on both sides. The upper and lower mounting plates 46 on both sides are respectively attached to the upper and lower mounting plates 46 at substantially the same intervals as the mounting shafts 14 on both sides so as to be freely insertable and removable. I have.

Next, the movable frame 18 is connected to the main frame 2 of the machine frame 1 by a parallel link 48 so as to be movable in the left-right direction, and the rotary 33 and the ridge coating body 42 of the movable frame 18 are connected to a tractor. Can be moved to a ridge coating work position protruding outward from one of the wheels and a non-ridge coating work position retracted inward of the tractor.

The parallel link 48 is formed by a pair of front and rear links 49 disposed in parallel at a predetermined interval, and a shaft insertion portion formed at one end of the pair of links 49.
The shaft insertion portion 50 is inserted between the upper and lower mounting plates 13 on both sides of the main frame 2.
At 14 each is attached rotatably. Also,
In a state where the shaft insertion portions 51 formed at the other end portions of the pair of links 49 are inserted between the upper and lower mounting plates 46 on both sides of the frame body 19, the shaft insertion portions 51 are connected to the connection shaft 47.
Each is rotatably attached.

The frame body 19 of the movable frame 18 is positioned at a predetermined height on the main frame 2 of the machine frame 1 by the pair of links 49 and the connecting arms 45 on both sides connecting the pair of links 49. And the ridge coating body 42 is supported at a predetermined height position via the third transmission case 38 fixed to the other end of the frame main body 19.

Then, the movable frame 18 is moved in the left-right direction with respect to the main frame 2 of the machine frame 1 through the pair of links 49 via the front left and right mounting shafts 14 and the rear left and right connecting shafts 47. Movably connected to the rotary 33 and the ridge-coated body of the movable frame 18.
Reference numeral 42 is movable to a furrowing work position protruding outward from the wheel on one side of the tractor and a non-weaving work position retracted inside the tractor.

Next, on the main frame 2 of the machine frame 1, the pair of links 49 having the rotary 33 and the levee-coated body 42 moved to the levee-coating work position and the non-row-coating work position are disabled from rotating. The supporting parallel link supporting means 52 is rotatably mounted.

The parallel link support means 52 is a support piece disposed at one diagonal position of a pair of links 49 and a parallelogram formed by connecting both ends of the pair of links 49.
One end of the support piece 53 is rotatably attached to the lower end of one mounting shaft 14 of the main frame 2, and the other end of the support piece 53 faces the other end of the support piece 53. A plurality of engagement holes 54 are formed at predetermined intervals to be engaged with the other connecting shaft 47 in a detachable manner.

Next, a substantially U-shaped bracket 55 is integrally provided at the front end of the third transmission case 38 toward the front, and the bracket 55 is connected to the rotary 33 via the rotary plate 21. Adjustment means 56 for supporting a set position in a vertical direction so as to be adjustable is attached.

The adjusting means 56 includes a left and right hollow cylindrical shaft support 57 supported by the bracket 55, a rotation shaft 58 rotatably inserted into the shaft support 57, Pivot axis
Sliding hole 59 attached to one end of 58 and penetrating vertically
A vertical support screw 62 having a sliding shaft 61 slidably inserted into a sliding hole 59 of the support 60; And a stopper 63 that is positioned and fixed to the adjusting screw 62 and prevents the adjusting screw 62 from coming off.

Further, the adjusting means 56 is provided below the support body 60 and has an annular locking portion formed on the adjusting screw 62.
A hollow cylindrical guide member 65 which is engaged with the adjusting screw 62 and is screwed to the adjusting screw 62 so as to be rotated by the adjusting screw 62; A vertical adjustment support 66 that is moved up and down along the inside of the 65,
A shaft support 68 formed on a lower end of the adjusting support rod 66 and supported by a substantially L-shaped bracket 67 protruding from the rotary plate 21.
And a control handle 70 protruding from an upper end of the adjusting screw 62 for rotating the adjusting screw 62.

By rotating the operation handle 70, the adjusting support rod 66 is moved up and down by the adjusting screw 62, and the adjusting support rod 66 is moved via the mounting support shaft 69 and the bracket 67. The rotation plate 21 is vertically rotated about the frame body 19, and the second transmission case 29, one end of which is supported by the first transmission case 20 by the rotation plate 21. The rotary 33 connected to the second transmission case 29 is rotated up and down so that the set position is adjusted up and down.

Next, a pre-processing means 71 for cutting the upper surface of the old ridge A, which is located in front of the rotary 33, is attached to the holder 17 fixed to the support arm 16 of the machine frame 1. The pre-processing means 71 includes an arm attachment member 72 attached to the holder 17,
A mounting arm 73 in the front-rear direction mounted on the mounting arm 72; a disk 74 supported by the mounting arm 73;
Grounding wheel located in front of and supported by the mounting arm 73
75.

The arm mounting member 72 has a column 76 fitted in the holder 17 and a rectangular tube in the left-right direction having a sliding hole 77 opened at both ends at the lower end of the column 76. A support 78 having a rectangular shape is integrally fixed horizontally. Also,
A prismatic sliding body 79 is slidably fitted in the sliding hole 77 of the support body 78, and an axial mounting shaft 80 projects integrally at one end, that is, the outer end of the sliding body 79. A disc-shaped fixing plate 81 is integrally formed at the base end of the mounting shaft 80, and mounting holes 82 are formed on both sides of the fixing plate 81, respectively.

The column 76 is fixed to the holder 17 by a retaining pin 85 having a lock pin 83 and a spring 84 for positioning. When the sliding body 79 slides on the support body 78, the position of the mounting arm 73 is adjusted in the width direction of the old ridge A, and the support body 78 is fixed to the selected predetermined position by the fixing bolt 86. A sliding body 79 is fixed to 78.

The mounting arm 73 is formed of a prism member extending in the front-rear direction, and has a cylindrical fitting portion having a fitting hole 87 at its base end for rotatably fitting the mounting shaft 80. A disk-shaped movable plate 89 joined to the fixed plate 81 is integrally formed at one end of the fitting portion 88, and both sides of the fixed plate 81 are formed on both sides of the movable plate 89. A long mounting hole 90 in the circumferential direction of the movable plate 89 communicating with the mounting hole 82 is formed.

In the state where the mounting shaft 80 is fitted into the fitting hole 87 of the fitting portion 88 and the movable plate 89 of the fitting portion 88 is joined to the fixed plate 81 of the mounting shaft 80, The mounting hole 90 on one side of the fixed plate 81 from the mounting long hole 90 on one side of the movable plate 89.
A fixing pin 91 is detachably inserted into 82, and the fixing pin 91 is
A stop pin 92 is detachably attached to the tip of the. Further, a nut 93 for preventing the fitting portion 88 from coming off is screwed to the distal end portion of the mounting shaft 80.

The mounting arm 73 is connected to a fixing pin 91 inserted into the fixing plate 81 by a mounting slot on one side of the movable plate 89.
The disc 74 and the grounding wheel 75 can be changed by the mounting arm 73 in response to a change in the upper surface of the old ridge A.

The mounting arm 73 has a column holder 94 having a rectangular cross-section and integrally fixed to a substantially middle portion in the front-rear direction, and a columnar disk column 95 is vertically attached to the column holder 94. The disk column 95 is fitted so as to be position-adjustable, and is fixed to the column holder 94 at a predetermined position by a fixing bolt 96 provided on the column holder 94.

Also, the disk 74 is inclined at a predetermined inclination angle toward the side of the upper surface of the old ridge A, that is, toward the rotary 33 by the bearing 97 at the lower end of the disk support 95. It is mounted on a rotatable shaft. The disk 74 is vertically adjusted by the disk support 95, and the disk 74 is set at a predetermined position. With this disk 74, the upper surface of the old ridge A precedes the rotary 33. It is designed to be cut to a predetermined depth leaving roots of weeds and the like.

Further, the mounting arm 73 has a column holder 98 having a rectangular cross section fixed integrally to the front end thereof, and a column-shaped wheel column 99 can be adjusted on the column holder 98 in the vertical direction. The wheel support 99 is fitted to the support holder 98 at a predetermined position with a fixing bolt 100 provided on the support holder 98.

A support piece 101 is bifurcated into the lower end of the wheel support 99 and protrudes downward in parallel and integrally. The axle is mounted on the lower end of the opposite support piece 101.
At 102, the grounding wheel 75 is rotatably mounted on a shaft. Then, the vertical movement of the grounding wheel 75 is adjusted by the wheel support 99, and the grounding wheel 75 is set at a predetermined position. The cutting depth is regulated.

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

The suspension mechanism of the tractor, that is, the upper hook of the quick coupler connected to the top link and the lower link on both sides is engaged with the connecting pin 8 of the machine casing 1 and the left and right lower hooks of the quick coupler are connected to the machine casing 1. Respectively engage with the lower pins 5 on both sides of the.

The power take-off shaft (PTO) of the tractor A
Shaft), one end of a power transmission shaft (not shown) is connected via a universal joint, and the other end of the power transmission shaft is connected to a connection shaft 12 on the front side of a power relay shaft 11 of the machine frame 1.
To a universal joint.

Further, one end of a power transmission shaft (not shown) is connected to a connection shaft portion 12 on the rear side of the power transmission shaft 11 of the machine frame 1 via a universal joint. The end is connected via a universal joint to an input shaft 22 of a transmission 23 provided on the frame body 19 of the movable frame 18.

Next, at the time of the ridge coating work, the fixing pin 91 on which the pretreatment means 71 is positioned is pulled out, and the arm mounting member 72 is pulled out.
Mounting arm 73 through a fitting portion 88 with the mounting shaft 80 as the center.
Is pivoted downward and forward, whereby the grounding wheels 75 and the disc 74 before and after the mounting arm 73 are respectively lowered to the upper surface of the old ridge A, and the grounding wheels 75 are moved to the upper surface of the old ridge A. While being grounded, the disc 74 is lowered to a state where it penetrates to a predetermined depth leaving roots of weeds or the like on the upper surface of the old ridge A.

Then, the fixing pin 91 is inserted from the mounting long hole 90 on one side of the movable plate 89 of the mounting arm 73 into the mounting hole 82 on one side of the fixing plate 81 of the arm mounting member 72, and A fixing pin 91 is attached to prevent the fixing pin 91 from coming off.

As a result, the mounting arm 73 is mounted on the arm mounting member 72 so as to protrude substantially horizontally toward the front, and the mounting arm 73 is fixed to one side of the movable plate 89 via the fixing pin 91. It is mounted so as to be able to move up and down within the range of the mounting slot 90. Then, the disc 74 is regulated by the grounding wheel 75 of the mounting arm 73 to a predetermined cutting depth that leaves roots of weeds or the like on the upper surface of the old ridge A.

At this time, if necessary, the fixing bolt 86 of the arm mounting member 72 is loosened, and the support of the arm mounting member 72 is
The mounting arm 73 is moved in the width direction of the old ridge A by moving the slide body 79 having the mounting shaft 80 and the fixing plate 81 to which the mounting arm 73 is attached with respect to 78 in the width direction of the old ridge A,
The grounding wheels 75 and the disc 74 before and after the mounting arm 73 are easily variably adjusted to predetermined positions in the width direction of the old ridge A, respectively.

Then, the grounding wheel 75 and the disk 74 before and after the mounting arm 73 are positioned at predetermined positions in the width direction of the old ridge A, and the fixing bolt 86 of the arm mounting member 72 is tightened to fix this. The movable plate 89 of the mounting arm 73 is mounted on the fixing plate 81 of the arm mounting member 72 with the bolt 86, and therefore the grounding wheel 75 and the disk 74 before and after the mounting arm 73 are attached.
Is set at an appropriate position for cutting the upper surface of the old ridge A.

Further, if necessary, the fixing bolt 96 of the column holder 94 of the mounting arm 73 is loosened, and this column holder 94 is loosened.
By adjusting the disk support 95 of the disk 74 up and down, the upper surface of the old ridge A is easily adjusted to a predetermined cutting depth position where roots of weeds and the like are left. Then, by fastening the fixing bolt 96 of the support holder 94, the disk support 95 is fixed to the support holder 94 in a state where the disk 74 is set at a predetermined cutting depth position.

If necessary, loosen the fixing bolt 100 of the support holder 98 of the mounting arm 73, and
By adjusting the wheel support 99 of the grounding wheel 75 up and down with respect to 98, the grounding wheel 75 is easily grounded on the upper surface of the old ridge A to a predetermined height position which regulates the cutting depth of the disk 74. Is adjusted to Then, by tightening the fixing bolt 100 of the support holder 98, the wheel support 99 is fixed to the support holder 98 in a state where the grounding wheel 75 is set at a predetermined height position that regulates the cutting depth of the disk 74. You.

In this manner, the mounting arm 73 of the pre-processing means 71 is easily adjusted and set to a predetermined position in the width direction of the old ridge A, and the grounding wheels 75 and the disk 74 before and after the mounting arm 73 are attached. It is easily adjusted and set in the up and down direction, and the earthing wheel 75 is easily adjusted and set to a height position that regulates the cutting depth of the disk 74.

Next, by removing the parallel link support means 52, that is, the support piece 53 from the connecting shaft 47, the parallel link
48 support is released. And the main frame 2 of the machine frame 1
By moving the movable frame 18 outwardly through the parallel link 48, the movable frame 18 is horizontally moved outwardly while being separated from the main frame 2 by the parallel link 48. The rotary 33 of the movable frame 18 and the ridge body 42 located behind the rotary 33 project outward from the wheel on one side of the tractor,
Each cutting blade 35 located at the outer end of the rotary 33
The a, 35b and the cutting projection 36 are located behind the disk 74 of the pretreatment means 71 and are projected.

At this time, the projecting amounts of the rotary 33 and the ridge coating body 42 are variably adjusted according to the size of the tractor, and correspond to the tractor for towing the machine. Project into position.

At the time when the rotary 33 and the ridge coating body 42 of the movable frame 18 are moved to the ridge coating operation position,
By inserting the connecting shaft 47 into the engaging hole 54 at a predetermined position of the supporting piece 53 and attaching a retaining pin (not shown) for preventing the supporting piece 53 from being removed from the connecting shaft 47,
The position 53 is positioned in a state of being bridged between the one mounting shaft 14 and the other connecting shaft 47 at the diagonal positions of the parallel link 48.

The parallel link 48 is supported by the support piece 53 so as not to be able to rotate and is fixed in position.
The position of the movable frame 18 is fixed, and the rotary 33 and the ridge coating body 42 of the movable frame 18 protrude outward from one wheel of the tractor A, and are located at the outer end of the rotary 33. Each of the cutting blades 35a, 35b and the cutting protrusion 36 is positioned at the protruding ridge coating work position located behind the disk 74 of the pretreatment means 71.

Next, while the machine frame 1 is towed along the old ridge A by the tractor,
75 is rotated along the upper surface of the old ridge A,
Disk 74 whose cutting depth is regulated by this contact wheel 75
Is rotated by the resistance of the soil on the upper surface of the old ridge A, and the upper surface of the old ridge A is sequentially cut by the disk 74 over a predetermined depth leaving roots of weeds and the like. Is a disk
It is discharged sequentially in the 74 inclination direction.

The power relay shaft 11 is rotated via the power transmission shaft by the output from the PTO shaft of the tractor, and the power transmission shaft 11 rotates the input shaft 22 of the transmission 23 of the movable frame 18 via the power transmission shaft. Is rotated, and the bevel gear 26 of the first output shaft 24 and the bevel gear 27 of the second output shaft 25 are rotated by the bevel gear 28 of the input shaft 22.

Then, the interlocking medium 31 in the first transmission case 20 and the transmission shaft 30 in the second transmission case 29 are rotated by the first output shaft 24, and the rotary shaft 30 is rotated by the transmission shaft 30.
33 is driven to rotate in the up-cut direction. Further, the rotating shaft 40 is rotated by the second output shaft 25 via the interlocking medium 41 in the third transmission case 38, and the ridge coating body 42 is turned on the mud in the downcut direction by the rotating shaft 40. On the other hand, it is rotationally driven at a high speed for slip rotation.

When the rotary 33 is rotationally driven, the side surfaces of the old ridge A and the edge of the old ridge A are sequentially cut by the respective cutting blades 35 of the rotary 33, and these cut soils are cut by the respective cutting blades. The blade 35 is carried around the cover body 37, and is supplied toward the furrow body 42 as mud for furrowing by the guiding action of the cover body 37.

At this time, the upper portion of the side portion of the old ridge A is sequentially cut by the cutting protruding piece 36 of the rotary 33, so that the embankment step portion B is sequentially formed on the upper portion of the side portion of the old ridge A. In addition, the lower part of the side surface of the old ridge A is sequentially cut by each of the short cutting blades 35a of the rotary 33, and the old ridge A is cut by each of the long cutting blades 35b of the rotary 33. It is cut sequentially.

When the rotary 33 is driven to rotate in the upcut direction, the rotary 33 is rotated.
The cutting soil is carried along the cover body 37 by each cutting blade 35, and these cutting soils are dropped from above on the old ridge A, and as mud for ridge coating in front of the ridge coating body 42. Sufficiently supplied. In addition, since the cut soil is supplied from above to the old ridge A, the ridge coating body 42 can be disposed at a position as close as possible to the rotary 33, and the total length in the front-rear direction can be reduced. It is possible to reduce the size.

The mud for furrowing supplied to the furrowing body 42 is sequentially painted along the side face of the old furrow A at the side face repairing part 43 of this furrowing body 42, Is gradually restored along the upper surface of the old ridge A at the upper surface restoration portion 44 of the ridge coating body 42 at the same time as the slope is gradually expanded downward. The upper part of A is sequentially restored to a horizontal surface.

At this time, the upper part of the side part of the old ridge A has the embankment stepped part B formed by the cutting protrusion 36,
A portion of the mud for levee application from the rotary 33 is laid on the embankment step B, and the mud for ridge application is successively and firmly applied while the mud for ridge application is supported by the embankment step B. Then, the mud soil applied to the side surface of the old ridge A at the embankment step B is prevented from easily falling down.

Therefore, the side surface portion of the old ridge A and the upper surface portion of the old ridge A are successively firmly compacted by the side restoration portion 43 and the upper surface restoration portion 44 of the ridge coating body 42, and the old ridge A is sequentially adjusted to a predetermined form. Be rowed.

Next, at the time of non-row coating work, the pre-processing means 71
The fixing pin 91 of the arm mounting member 72 is pulled out.
Release the positioning of the movable plate 89 of the mounting arm 73 with respect to,
Mounting arm 73 centering on mounting shaft 80 of arm mounting member 72
The disk 74 and the grounding wheel 75 of the mounting arm 73 are easily installed at the non-working position where the disk 74 and the grounding wheel 75 are tilted to the rear upper side of the rotary 33 by rotating the disk 74 and the grounding wheel 75 upward. Is easily installed at the non-working position inclined rearward and upward.

Then, a fixing pin 91 is inserted from the mounting long hole 90 on the other side of the movable plate 89 of the mounting arm 73 into the mounting hole 82 on the other side of the fixing plate 81 of the arm mounting member 72, and is fixed to the fixing pin 91. By mounting the pins 92, the fixing pins 91 are prevented from coming off, respectively, and the mounting arm 73 having the disk 74 and the grounding wheel 75 is fixed in a state of being inclined rearward and upward. Therefore, the mounting arm 73 having the disc 74 and the grounding wheel 75
Is folded, and the entire form is reduced in size by the mounting arm 73 having the disk 74 and the grounding wheel 75, so that it is easy to get in and out of the field and travel.

The support of the parallel link 48 is released by removing the support piece 53 of the parallel link support means 52 from the connecting shaft 47. Then, the movable frame 18 is pushed inward to the main frame 2 of the machine frame 1 via the parallel link 48 so that the movable frame 18 approaches the main frame 2 by the parallel link 48. While moving horizontally toward the inside, the rotary 33 of the movable frame 18
The ridge body 42 located behind the rotary 33 is retracted inward of the tractor.

At this time, that is, when the movable frame 18 and the rotary 33 and the ridge coating body 42 of the movable frame 18 are moved backward to the non-row coating work position, the rotary 33
That is, when the cover body 37 of the rotary 33 contacts the lower pin 5 or the lower arm 3 on one side of the machine frame 1 and cannot be moved to the non-row coating work position, the adjusting means 56 is operated to adjust the rotary 33 and Cover body 37 is machine frame 1
Is rotated downward to a position separated from the lower pin 5 or the lower arm 3 on one side of the lower arm. Accordingly, the rotary 33 and the ridge coating body 42 of the movable frame 18 are smoothly moved backward to the non-ridge coating work position.

That is, by rotating the operating handle 70 of the adjusting means 56, the adjusting screw 62 is rotated by the operating handle 70, and the adjusting support rod 66 is lowered by the adjusting screw 62. The rotating plate 21 is pushed downward by the shaft support 68 at the lower end of the support rod 66 via the mounting support shaft 69 and the bracket 67. Then, the rotating plate 21 is
The first transmission case 20 is lowered and rotated about the frame body 19 of the movable frame 18 by the second transmission case 29 which is lowered by the rotation plate 21. You.

Therefore, the rotary 33 and the cover 37 are moved by the second transmission case 29 in the second transmission case 29 which is rotated down about the frame body 19 by the rotating plate 21 and the first transmission case 20. At the same time, the rotary 33 and the cover 37 are lowered and rotated to a position separated from the lower pin 5 or the lower arm 3 on one side of the machine frame 1, and the rotary 33 and the cover 37 are Alternatively, it is smoothly moved backward to the non-row coating work position without contacting the lower arm 3.

When the rotary 33 and the ridge coating body 42 of the movable frame 18 are moved back to the non-row coating work position, the other connecting shaft is inserted into the engaging hole 54 at a predetermined position of the support piece 53.
47, and by attaching a retaining pin to the connecting shaft 47 to prevent the support piece 53 from coming off,
The position 53 is positioned in a state of being bridged between the one mounting shaft 14 and the other connecting shaft 47 at the diagonal positions of the parallel link 48.

Then, the parallel link 48 is supported by the support piece 53 so as not to be rotationally movable, and is fixed in position.
The position of the movable frame 18 is fixed, and the rotary 33 and the ridge-coating body 42 of the movable frame 18 are positioned at the non-row-coating work position in which the rotary 33 and the levee-coating body 42 are retracted inside the tractor A. 42 is largely prevented from protruding outward from the wheel on one side of the tractor A.

Therefore, the movable frame 18 and the rotary 33 of the movable frame 18 are located at a predetermined position behind the machine frame 1.
And the ridge-coated body 42 is arranged and fixed, and the rotary 33 and the ridge-coated body 42 do not generate an eccentric load on the tractor A side, and the weight balance is not impaired. And the problem of traffic obstruction during traveling on the road is eliminated.

Next, at the time of ridge coating work, the rotary 33 and the cover 37 are connected to the lower pin 5 or the lower arm 3 on one side.
Since it is in a state of being lowered to a position away from,
The movable frame 18 and the rotary of this movable frame 18
33 and the furrowing body 42 are smoothly moved to the furrowing work position.

Then, the operating handle 70 of the adjusting means 56 is
When the rotary 33 and the ridge coating body 42 of the movable frame 18 are rotated and adjusted in the direction opposite to the case where the ridge coating body 42 is moved backward to the non-row coating work position, the adjusting screw 62 is rotated by the operation handle 70. The adjustment support rod 66 is raised by the adjustment screw rod 62, and the lower end of the adjustment support rod 66 is pivoted.
At 68, the rotating plate 21 is pulled up and rotated via the mounting support shaft 69 and the bracket 67.

The rotating plate 21 is rotated upward about the frame body 19 of the movable frame 18, and the rotating plate 21
The first transmission case 20 is rotated up and down around the frame body 19 of the movable frame 18 by the second transmission case 29 raised by the above.

Therefore, the rotary 33 and the cover 37 are joined to the second transmission case 29 by the second transmission case 29 which is raised and rotated around the frame body 19 by the rotating plate 21 and the first transmission case 20. At the same time, the rotary 33 is raised and turned to a predetermined position for cutting the old ridge A.

Further, when the rotary 33 and the ridge-coating body 42 of the movable frame 18 are offset to the ridge-coating work position and the non-ridge-coating work position, the mounting shafts 14 on both sides of the main frame 2 of the machine frame 1 and the movable shafts A pair of links 49 are respectively rotated about connection shafts 47 on both sides of the frame 18, and the movable frame 18 is smoothly moved with respect to the main frame 2 of the machine frame 1 by the pair of links 49. The rotary 33 and the furrowing body 42 of the frame 18 are easily offset to the furrowing work position and the non-furrowing work position.

Next, in the above embodiment, the rotary
Although the case where the rotary 33 is driven to rotate in the up-cut direction has been described, the rotary 33 is not limited to this, and the rotary 33 may be driven to rotate in the down-cut direction.

In this case, for example, the movable frame 18
The input shaft 22 of the transmission 23 provided on the frame body 19 is extended rearward, and a bevel gear (not shown) that meshes with the bevel gear 26 of the first output shaft 24 is fixed to an extension of the input shaft 22. The bevel gear 26 of the first output shaft 24 does not mesh with the bevel gear 28 of the input shaft 22.
Only the bevel gear 27 of the second output shaft 25 is meshed with 28.

With this configuration, the rotary 33 is driven to rotate in the downcut direction, and the ridge body 42 is driven to rotate in the downcut direction. Then, as in the case of the above-described embodiment, the old ridge A is successively restored by the rotary 33 and the ridge coating body 42, and is arranged in a predetermined form.

[0103]

According to the first aspect of the present invention, the machine frame is towed by the tractor along the old ridge, so that the disk of the mounting arm protruding from one end of the machine frame is provided. Thus, the upper surface of the old ridge can be sequentially and reliably cut to a predetermined depth that leaves roots of weeds and the like, and these cut soils can be sequentially removed to the side of the old ridge. At this time, since the cutting depth of the disc is regulated by the grounding wheel, this disc does not penetrate deeply into the upper surface of the old ridge and does not cut too deeply. The cutting can be sequentially and reliably performed at a predetermined depth where roots such as the roots are left.

Further, since the upper surface of the old ridge is cut at a predetermined depth to leave the roots of weeds or the like on the disk, after the old ridge is painted, the roots remaining on the ridge are revived and stretched. By going around, the ridges can be further compacted with these roots, and ridges that do not easily collapse can be obtained.

[0105] Each of the rotary cutting blades sequentially cuts the side surface of the old ridge and the edge of the old ridge, and the cut soil is flipped up and supplied toward the ridge coating body as mud for ridge coating. At this time, since each cutting blade of the rotary is provided on the rotation axis in the direction intersecting the old ridge, the rotary is driven to rotate toward the traction progress of the machine frame, so that the rotary axis in the old ridge direction is rotated. The traction resistance of the tractor can be reduced to a relatively small value as compared with the tractor.

Further, since the disc and the grounding wheel are mounted on the mounting arm so that the position of the disk and the grounding wheel can be adjusted in the vertical direction, the disk and the grounding wheel can be variably adjusted in the vertical direction according to the situation of the old ridge. In accordance with the cutting depth of the disc, the contact wheel can be easily and reliably variably adjusted to a position where the cutting depth of the disc is regulated.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, during the ridge coating work, the mounting arm is rotated downward about the mounting shaft at one end of the machine frame. The disc and the grounding wheel of the mounting arm can be easily installed at the work position where the upper surface of the old ridge is cut.

Further, during the non-row coating work, the mounting arm is rotated upward about the mounting shaft at one end of the machine frame, so that the disk and the grounding wheel of the mounting arm are tilted upward after the rotary. It can be easily installed at the non-working position, can contribute to downsizing of the whole form, and can easily enter and exit the field and travel.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the mounting arm has a cylindrical fitting portion and is vertically movable about the mounting axis at one end of the machine frame. The disc and the grounding wheel of the mounting arm can be easily moved to a working position for cutting the upper surface of the old ridge and a non-working position inclined upward and rearward of the rotary.

Further, when the disc and the grounding wheel are moved to the working position and when the disc and the grounding wheel are moved to the non-working position tilted rearward and upward, the movable plate of the fitting portion is fixed to the fixing plate of the mounting shaft. By performing positioning, the mounting arm having the disc and the grounding wheel can be reliably positioned at the respective positions, and the mounting arm in these states can be maintained in a stable state.

According to the invention of claim 4, according to claims 1 to 3,
In addition to the effects of any one of the inventions described above, by moving and adjusting the position of the mounting arm in the width direction of the old ridge, the disk and the grounding wheel of this mounting arm can be easily installed at predetermined positions in the width direction of the old ridge. Therefore, it is possible to easily and variably adjust the disk and the grounding wheel of the mounting arm to an appropriate position for cutting the upper surface of the old ridge according to the situation of the old ridge.

According to the fifth aspect of the present invention, in addition to the effect of the first aspect of the present invention, the rotary and the ridge-coated body are moved outwardly during the levee-coating operation, so that the rotary and the ridge-coated body are moved outward. Is projected outward from one of the wheels of the tractor, so that the rotary and the levee body can be easily positioned at the levee work position.

In the non-row coating operation, the rotary and the ridge coating body are moved backward toward the inside of the tractor, so that the rotary and the ridge coating body are retracted inside the tractor. The painted body can be easily positioned at the non-row painting work position, and it is possible to prevent the rotary and the ridge painted body from protruding largely outward from one wheel of the tractor.

Accordingly, the rotary and ridge-coated bodies are
It can be easily offset to the ridge work position protruding outward from the wheel on one side of the tractor and the non-ridge work position retracted inward of the tractor. It is possible to reliably prevent the weight balance from being impaired due to the uneven load on the tractor side due to the painted body, ensure stable running when traveling on the road and entering and exiting the field, and solve the problem of traffic obstacles when traveling on the road can do.

[Brief description of the drawings]

FIG. 1 is a plan view of a ridge coater showing an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an exploded perspective view of the preprocessing means.

FIG. 4 is a rear view showing the same ridge painting operation state.

FIG. 5 is a sectional view of the adjusting means.

FIG. 6 is an explanatory diagram showing an operation state of the pre-processing means.

[Explanation of symbols]

 1 Machine frame 4, 7 Connecting section 18 Movable frame as machine frame 33 Rotary 34 Rotary shaft 35 Cutting blade 42 Ridge body 71 Pretreatment means 73 Mounting arm 74 Disk 75 Grounding wheel 80 Mounting shaft 81 Fixing plate 88 Fitting section 89 Movable plate 91 Fixed pin A Old ridge

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Matsui 5155 Shiokawa, Oji, Maruko-cho, Nagano Pref. Matsuyama Co., Ltd. Inside the corporation

Claims (5)

[Claims] 1. A machine frame having a connecting portion connected to a suspension mechanism of a tractor, and a mud for ridge coating is cut off on a rotating shaft rotatably provided on the machine frame in a direction intersecting with an old ridge and bouncing. A rotary having a number of cutting blades to be raised and a mud for levee application, which is located behind the rotary and is rotatably provided on the machine frame and is flipped up by the number of cutting blades of the rotary, is applied to the old ridge. And a pre-processing means provided in front of the rotary for cutting and cutting an upper surface of the old ridge. A mounting arm protruding substantially horizontally toward the front at a side end, and a state in which the mounting arm is positioned in front of the rotary so that the position of the mounting arm can be adjusted vertically and inclined toward the side of the old ridge; Weed the upper part of the old ridge by rotating freely with A disk to be cut to a predetermined depth to leave the root of the disk, and the upper arm of the old ridge is rotatably mounted on the mounting arm so as to be vertically adjustable and vertically rotatable on the mounting arm. A levee coating machine, comprising: a ground contact wheel that regulates a cutting depth of a disc. 2. A mounting position where the mounting arm is vertically rotatably mounted on a mounting shaft protruding from one end of the machine frame, and a disk and a grounding wheel are cut at an upper surface of an old ridge. The levee coating machine according to claim 1, wherein the disc and the grounding wheel can be moved to a non-working position where the disc and the grounding wheel are tilted upward after the rotary. 3. The mounting arm includes a cylindrical fitting portion rotatably fitted to a mounting shaft protruding from one end of the machine frame at a base end, and one end of the fitting portion. A movable plate joined integrally to a fixed plate integrally formed at the base end of the mounting shaft and a detachable fixing pin for positioning the movable plate to the fixed plate. The ridge coater according to claim 1 or 2, wherein: 4. The ridge coating according to claim 1, wherein the mounting arm is attached to one end of the machine frame so as to be position-adjustable in the width direction of the old ridge. Machine. 5. The rotary and ridge coating body can be moved to a ridge coating work position protruding outward from one wheel of the tractor and a non-ridge coating work position retracted to the inside of the tractor, respectively. The ridge coater according to claim 1, characterized in that: