JPH08140406A - Footpath-forming apparatus - Google Patents

Abstract

PURPOSE: To provide a footpath-forming apparatus capable of improving working efficiency by cutting the upper face and the side faces of an old footpath at the same time in footpath-forming work, enabling the driving of upper face- cutting tines for cutting the upper face of the old footpath and side faces-cutting tines for cutting the side faces of the old footpath by a common driving system, and accordingly having a simple construction and a high cost merit. CONSTITUTION: This footpath-forming apparatus is provided with a lateral rotary shaft 32 rotationally attached on a machine frame 1 and a footpath- forming body 38 fixed on the rotary shaft 32. The footpath-forming body 38 consists of a connecting member 39 linked and fixed on the rotary shaft 32, plural upper face-cutting tines 42 which are radially attached on the periphery of the connecting member 39 and cut the upper face of the old footpath and plural side faces-cutting tines 44 which are radially attached on the periphery of the connecting member 39 and cut the side faces of the old footpath. Each of the side face-cutting tines 44 is provided with a soil-discharging board 46 for discharging the soil cut by the tines 44. Either the footpath-forming body 38 or a footpath-pasting body is selectively fixed on the rotary shaft 32 in a detachable manner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for adjusting ridges, and more particularly to a device for repairing old ridges that partition a paddy field so as to prevent water leakage.

[0002]

2. Description of the Related Art Conventionally, as this type of ridge-arranging device, as described in, for example, Japanese Patent Publication No. 4-64642, a large number of crushing blades for crushing the upper surface of the old ridge are radially arranged in a machine frame. A crushing mechanism protruding from the crusher is rotatably provided, and is located at the rear part of the crushing mechanism and rotationally pierces into the inside of the old ridge from the side part of the old ridge into the machine frame to jump up the soil on the old ridge. A rotary rotary having a plurality of raking blades protruding radially is provided rotatably, and a ridged body located at the rear part of the rotary rotary for striking the embankment on the old ridge and the old ridge to tighten the ridge is provided. The composition is known.

[0003]

In the structure described in the above publication, a crushing mechanism having a large number of crushing blades for crushing the upper surface of the old ridge and the soil on the side surface of the old ridge are flipped up onto the old ridge. Since it is arranged in front of and behind the rotary rotary provided with a plurality of scraping blades, it is not preferable in terms of work efficiency because it is not possible to simultaneously perform the ridge processing of the upper surface portion of the old ridge and the side surface portion of the old ridge, In addition, a drive system for rotationally driving the crushing mechanism and the rotary rotary is required, and the configuration of these is complicated and the whole form tends to be large and expensive, and the soil on the side of the old ridge is old. Because the embankment is flipped up on the ridge and used as the embankment for repairing, depending on the moisture condition of the old ridge, even if the embankment is tapped on the embankment body and tightened, the adhesiveness of the embankment is insufficient. It easily collapses and leaks water easily, resulting in uneven ridges. That there is, there is a problem in that.

The present invention has been made in view of the above points, and is preferable in terms of work efficiency because it is possible to simultaneously perform the ridge processing of the upper surface portion of the old ridge and the side surface portion of the old ridge.
A common drive system can be used for the upper surface cutting claw that cuts the upper surface of the old ridge and the side cutting claw that cuts the side surface of the old ridge, and these structures are simple and the overall form is small and the cost advantage is great. In addition, it is possible to easily select the ridge work for cutting the old ridges and the ridge coating work for the old ridges with one machine. Furthermore, the adhesion of the embankment is sufficient and the ridge soil applied to the old ridges collapses. It is an object of the present invention to provide a trimming device that does not cause water leakage or leaks, and therefore does not cause unevenness in trimming and has a good finish.

[0005]

According to a first aspect of the present invention, there is provided a trimming device including: a machine frame; a horizontal rotary shaft rotatably mounted on the machine frame; and a trimming body provided on the rotary shaft. The ridge body has a connecting body that is connected and fixed to the rotating shaft, and a plurality of upper surface cuttings radially protruding on the peripheral side portion of the connecting body to cut the upper surface portion of the old ridge. The claw and a plurality of side surface cutting claws that are radially provided on the peripheral side portion of the connecting body to cut the side surface portion of the old ridge are provided.

A trimming device according to a second aspect is the trimming device according to the first aspect, wherein each of the plurality of side surface cutting claws of the trimmed body has a cutting edge at its front edge portion in the rotational direction, and At the trailing edge of the direction of rotation, there is provided an earth-discharging plate for discharging the cutting soil toward the side of the old ridge.

A trimming device according to a third aspect of the invention is the trimming device according to the first or second aspect, in which the machine frame, a horizontal rotation shaft rotatably provided on the machine frame, and a detachable attachment / detachment to and from the rotation shaft are provided. A plurality of upper surface cutting claws that are freely connected to cut the upper surface part of the old ridge and a plurality of side surface cutting claws that cut the side surface part of the old ridge are radially arranged, and the ridge body is detachably attached to the rotary shaft. A ridge coating body that is arranged by arranging mud on the upper surface part of the old ridges that are cut by the plurality of upper surface cutting claws and the side surfaces of the old ridges that are cut by the plurality of side surface cutting claws. One of the ridged body and the ridged body is detachably connected to the rotation shaft.

According to a fourth aspect of the ridge trimming device of the third aspect, the machine frame is located in front of the ridge coating body connected to the rotary shaft and directs the mud on the old ridge toward the old ridge. It has a rotatable rotary in which a plurality of flip-up claws are radially projected, and a cover body which guides the mud splashed up by the rotary toward the old ridge.

[0009]

In the trimming device according to the first aspect of the invention, the trimming body connected to and fixed to the rotary shaft is rotated by the rotation of the rotary shaft of the frame while advancing along the brim. The upper ridges of the old ridge are sequentially rotated from a predetermined position by a plurality of upper surface cutting claws that are rotated and radially project on the connection body of the ridge trimmer, and the upper ridges are radially coaxial with the plurality of upper surface cutting claws. The side surface portion of the old ridge is sequentially cut from a predetermined position by a plurality of protruding side surface cutting claws.

Therefore, the upper surface portion of the old ridge and the side surface portion of the old ridge are successively cut from predetermined positions at the same time to proceed, and the upper surface portion of the old ridge and the side surface portion of the old ridge are prepared for ridge coating. It is arranged one after another.

According to the second aspect of the present invention, when the side surface portion of the old ridge is cut by the plurality of side surface cutting claws, the ridges are cut from the cutting blades at the front edges in the rotation direction of the plurality of side surface cutting claws. While cutting into the side surface of the old ridge, the cutting soil moves toward the side part that is separated from the ridge of the old ridge by the soil discharge plate at the trailing edge of the rotation direction of the multiple side cutting claws. Is discharged.

Therefore, the cutting soil is prevented from being cut off at the ridges of the old ridges, so that the cutting soil is prevented from interfering with the ridge coating.

According to another aspect of the present invention, in the arranging device, one of the arranging body and the ridged body is selected and removably connected to the rotating shaft of the machine frame so that the rotating shaft is common. The ridged body and the ridged body are rotated as a rotation source.

When the ridge body is connected to the rotary shaft, the upper surface portion of the old ridge and the side surface portion of the old ridge are formed by the plurality of upper surface cutting claws and the plurality of side surface cutting nails of the ridge body. Prepared one by one in preparation for ridge coating. When connecting the ridged body to the rotary shaft, the mud is applied to the upper surface of the old ridge and the side surface of the old ridge that have been cut and trimmed in advance with this ridged body to prepare for the ridge. The ridges are painted one after another.

According to another aspect of the present invention, when the rotary frame and the ridge coating body are rotated while the machine frame is advanced along the ridge and a plurality of jumping claws are radially projected, each ram of the rotary is moved. The mud on the edge of the ridge is sequentially flipped up by the upper nail toward the old ridge, and the mud is guided by the cover body and is sequentially discharged toward the old ridge.

The mud discharged to the tops of the old ridges and the sides of the old ridges are sequentially applied with a ridged body along the tops of the old ridges and the sides of the old ridges. The mud is sufficiently compacted against the old ridge and the surface is finished in a smooth state.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an 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 is integrally provided with a mast 2 at a substantially middle upper portion in the left-right direction. The mast 2 has a connecting pin 3 extending in the left-right direction at a projecting end of the mast 2. It is attached. Hitch arms 4 are integrally provided on the left and right parts of the machine frame 1 so as to project forward, and the left and right lower pins 5 are provided at the protruding ends of the left and right hitch arms 4.
Are fixed together. The left and right hitch arms 4 are supported by a support plate 6 in the left-right direction at a substantially middle portion in the front-rear direction.

A bearing body 7 is fixed to an intermediate portion of the support plate 6 in the left-right direction, and an input shaft 8 in the front-rear direction is rotatably mounted on the bearing body 7. Further, holders 10 are fixed to the front side portions of the left and right hitch arms 4 to support the stands 9 so that their positions can be adjusted in the vertical direction.

A quick coupler 11 is connected to the connecting pin 3 of the mast 2 and the lower pin 5 of the left and right hitch arms 4 to be connected to a three-point suspension mechanism of a tractor (not shown).
Are connected. The input shaft 8 is detachably connected to the PTO shaft of the tractor via a universal joint.

A mission case 12 is fixed to a substantially middle portion of the machine frame 1 in the left-right direction, and a first transmission case 13 in the left-right direction is provided on the front side of the mission case 12 in the lower right direction in the traveling direction. It is inclined toward and integrally projected. Further, a front and rear interlocking input shaft 14 penetrating the left upper end of the first transmission case 13 is rotatably provided on the front side of the transmission case 12, and the front end of the interlocking input shaft 14 is rotatably provided. The rear end of the input shaft 8 is releasably connected via a clutch 15.

At the lower right end of the first transmission case 13, there is rotatably mounted a rotary 16 for flipping up the mud on the ridge toward the old ridge A. This rotary 16
Has a rotary shaft 18 in the front-rear direction rotatably mounted on a bearing 17 at the lower end of the first transmission case 13, and the rotary shaft 18 has a flange 19 formed in a substantially triangular shape. The central portion of the flange is fixed, and a plurality of flip-up claws 20 for flipping up the mud on the edge of the ridge toward the old ridge A are provided on the circumferential side of the flange 19.
The plurality of flip-up claws 20 are arranged radially toward the outside of the 19 and the base ends of the jumping claws 20 can be detachably attached to the circumferential side of the flange 19 with bolts and nuts (not shown). It is connected.

A sprocket 21 fixed to the interlocking input shaft 14 in the first transmission case 13
The sprocket fixed to the rotary shaft 18 of the rotary 16
An endless chain 23 is suspended between 22 and 22 so as to be freely rotatable. Then, as the interlocking input shaft 14 is rotated, the rotary 16 is rotated through the endless chain 23, and the jumping claws 20 of the rotary 16 turn the mud on the ridge into the old ridge A. It is designed to bounce up. The interlocking input shaft for the rotary 16
The power transmission from 14 is cut off by a means (not shown) to stop the rotary drive of the rotary 16.

Further, the front side portion of the first transmission case 13 is covered with the rotary 16, and each jumping pawl of the rotary 16 is covered.
A cover body 24 is fixed to guide the mud splashed up at 20 toward the old ridge A. The cover body 24 includes front and rear side plate portions that cover both side portions in the front-rear direction of the rotary 16, and a top plate portion and both side plate portions that are continuously provided between the both side plate portions and cover the upper portion of the rotary 16. It is formed by having an outer plate part which is continuously provided between the top plate parts and which covers the outer end part in the rotation direction of the rotary 16.

Next, a right and left second transmission case 25 is integrally fixed to the right end portion of the transmission case 12, and the right side portion of the second transmission case 25 is the rear side portion of the machine casing 1. Is stuck to. In addition, the second transmission case 25
The bearing body 26 disposed on the left and right sides inside the first
Output shaft 27 is rotatably supported, and the first output shaft 27
The left end of the above is projected into the transmission case 12, and the bevel gear 28 fixed to the protruding end of the first output shaft 27 is meshed with the bevel gear 29 fixed to the interlocking input shaft 14.

A third transmission case 30 in the front-rear direction is provided at the right end of the second transmission case 25 with the first output shaft.
A rotation shaft 32 in the left-right direction, which is attached and supported so as to be rotatable in the up-down direction about 27 and is horizontally arranged by a bearing body 31, is rotatable at the rear end portion of the third transmission case 30. It is mounted on. Further, in the third transmission case 30, a sprocket 33 is fixed to the base end of the rotary shaft 32, and the sprocket 33 and the sprocket 34 fixed to the right end of the first output shaft 27. An endless chain 35 is suspended between them so as to be freely rotatable.

Further, a plurality of locking holes 36 are formed in the rotary shaft 32 at predetermined intervals in the axial direction so as to penetrate in the diametrical direction of the rotary shaft 32. The connecting bolt 37 can be inserted into and removed from the selected one.

Next, the connecting bolt is attached to the rotary shaft 32.
The ridged body 38 is detachably connected at 37. The ridged body 38 is disposed behind the rotary 16 and has a tubular coupling body 39 that is fitted and connected and fixed to the rotary shaft 32. An outer flange 40 is integrally fixed to the outer end portion (right end portion in the traveling direction), and is separated from the inner portion of the outer flange 40 inward at a predetermined distance to the connecting body 39. The inner flange 41 is integrally fixed.

A plurality of upper surface cutting claws 42 for cutting the upper surface portion B of the old ridge A are radially provided at predetermined intervals on the circumferential side portion of the outer flange 40. The plurality of upper surface cutting claws 42 are detachably connected to the peripheral side portion of the outer flange 40 by bolts and nuts (not shown). A notched portion that expands and slopes toward the inner flange 41
Each has 43.

A plurality of side surface cutting claws 44 for cutting the side surface portion C of the old ridge A are radially provided at predetermined intervals on the peripheral side portion of the inner flange 41. The plurality of side surface cutting claws 44 are detachably connected to the peripheral side portion of the inner side flange 41 by bolts and nuts (not shown). Each has a cutting edge 45 at the front edge of
Each of the plurality of side surface cutting claws 44 has a curved portion 47 at the tip of each of the plurality of side surface cutting claws 44, each having an earth-discharging plate 46 at the trailing edge of the direction of rotation for discharging the cutting soil toward the side of the old ridge A. Is formed.

Further, in the vicinity of the inner end of the connecting body 39, a communicating hole 48 communicating with each locking hole 36 formed in the rotating shaft 32.
Are formed so as to penetrate the connecting body 39 in the diameter direction. Then, the connecting body 39 of the rectifying body 38 is slid in the axial direction with respect to the rotating shaft 32, and the communicating hole 48 of the connecting body 39 is rotated by the rotating shaft.
The connecting bolt 37 is made to communicate with the locking hole 36 at the selected position of 32, and the connecting bolt 37 is detachably inserted into the communicating hole 48 and the locking hole 36 at the selected position. An adjusting body 38 is detachably connected to the rotating shaft 32.

Next, a gate-shaped frame 50 which supports a side plate 49 in the front-rear direction, which is arranged on the right side of the cover body 24 and the trimming body 38, on the upper rear end of the third transmission case 30.
Is stuck. The gate-shaped frame 50 includes a fixed frame portion 51 fixed to an upper portion of a rear end of the third transmission case 30.
And a movable frame portion supporting the side plate 49 by having a horizontal sliding portion 53 at the upper end which is horizontally slidably fitted to a horizontal portion 52 at the upper end of the fixed frame portion 51. It consists of 54.

Further, the movable frame portion 54 always attaches the side plate 49 to the cover body with respect to the fixed frame portion 51.
The movable frame portion 54 is fixed to the fixed frame portion 51 when the ridged body 38 is attached to and detached from the rotary shaft 32 by being arranged and fixed at a position close to the right side of the 24 and the ridged body 38. A space for detaching and replacing the ridged body 38 is secured apart from the space.

A support arm 55 is integrally provided on the right rear side of the machine frame 1 so as to project upward, and the third transmission case 30 is provided at the upper end of the support arm 55. An adjustment support mechanism 57 having a handle 56 for vertically adjusting and supporting the output shaft 27 as a center is continuously provided.
Then, by rotating the handle 56 to operate the adjustment support mechanism 57, the third transmission case 30 is vertically adjusted about the first output shaft 27, and the third transmission case 30 is adjusted. The trimmed body mounted on the rotating shaft 32 of the case 30
The grounding position of 38 is adjusted.

Further, in the vicinity of the left side of the third transmission case 30, a vertical holder 58 is provided at the rear end of the machine casing 1.
A column 60 having a gauge wheel 59 rotatably mounted on its lower end is movably fitted to and supported by the holder 58 in the vertical direction. 61 is the mission case
A second output shaft in the front-rear direction is rotatably mounted on the rear part of the twelve, and the second output shaft 61 is interlocked with the interlocking input shaft 14 via the gear mechanism 62.

Next, the connecting bolt is attached to the rotary shaft 32.
A ridge coating body 70 for applying the mud discharged at the rotary 16 along the upper surface portion B and the side surface portion C of the old ridge A at 37 is detachably connected.

The ridged body 70 is disposed behind the rotary 16 and has a cylindrical connecting body 71 which is fitted into the rotary shaft 32 and fixedly connected thereto. Body 71
A flange 72 is integrally fixed to the right end portion in the traveling direction of the, and a cylindrical upper surface coating portion 73 in the left-right direction for applying mud to the upper surface portion B of the old ridge A is integrally fixed to the outer portion of the flange 72. In addition, the inner side of the flange 72 has an old ridge A
The third transmission case 30 in which mud is applied to the side surface portion C of the
A side-face coating part 74 having a conical shape, which is enlarged toward, is integrally fixed.

Further, on the outer peripheral portion of the flange 72, the upper end portion B and the side surface portion C of the old ridge A are sandwiched between the inner end portion of the upper face coating portion 73 and the outer end portion of the side surface coating portion 74. An annular taper-shaped sandwiching body 75 for sticking mud to the intersection with and is integrally fixed. Then, the cylindrical upper surface coating portion 7
3, the conical side coating part 74 and the tapered sandwiching body 75 are made of synthetic resin or metal, and the top surface coating part 73, the side coating part 74, and the surface portion of the sandwiching body 75 are super dense. A synthetic resin coating made of polyethylene material or the like is formed. Then, the synthetic resin coating is used to coat the top surface.
The mud is prevented from adhering to the surface portions of the 73, the side coating part 74 and the sandwiching body 75.

In the vicinity of the insertion end of the cylindrical connecting body 71, a connecting hole 76 communicating with a selected one of the locking holes 36 formed in the rotary shaft 32 is formed. 71 is formed so as to penetrate in the diameter direction. Then, the connecting body 71 of the ridge coating body 70 is slid in the axial direction with respect to the rotating shaft 32, and the communication hole 76 of the connecting body 71 is fitted into the locking hole 36 at the selected position of the rotating shaft 32. By connecting and detaching the connecting bolt 37 to the communicating hole 76 and the locking hole 36 at the selected position, the ridged body 70 can be attached to and removed from the rotary shaft 32 by the connecting bolt 37. It is designed to be connected to.

Reinforcing rings for preventing deformation are integrally fixed to the side surface coating portion 74 of the ridge coating body 70 and a portion near the inside of the enlarged opening edge portion of the side surface coating portion 74, respectively. Further, a cover for preventing dirt from entering the upper surface coating portion 73 is detachably attached to the outer end portion of the hollow cylindrical upper surface coating portion 73 with a bolt.

By rotating the rotary shaft 32, the ridged body 70 is relatively faster than the traveling speed of the machine casing 1 in the traveling direction of the casing 1 (counterclockwise in side view). The upper surface coating portion 73, the side surface coating portion 74 and the sandwiching body 75 of the ridge coating body 70 are rotatably driven by the ridge coating body 70, and the upper surface portion B, the side surface portion C and the corner portion of the old ridge A are turned into mud for ridge coating. In contrast, it is designed to be slip-rotated.

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

The quick coupler 11 is connected to the top link and the left and right lower links of the tractor, and the connecting pin 3 and the left and right lower pins 5 of the machine casing 1 are connected to the quick coupler 11. Further, the input shaft 8 is connected to the PTO shaft (not shown) of the tractor via the power transmission shaft. Also,
The height of the gauge wheel 59 is adjusted in the vertical direction according to the situation in the field to set the gauge wheel 59 at a predetermined position.

Next, when the upper surface portion B and the side surface portion C on one side of the old ridge A are cut to adjust the old ridge A in preparation for the ridge coating, the shaft is rotatably attached to the third transmission case 30. Mounted rotating shaft 32
With respect to the connection body 39 of the ridge body 38 is slidably fitted in the axial direction, and the communication hole 48 of this connection body 39 is connected to the locking hole 36 at the selected position of the rotary shaft 32. By inserting and supporting the connecting bolt 37 in the communication hole 48 and the locking hole 36 at the selected position, the adjusting body 38 is connected to the rotary shaft 32 by the connecting bolt 37.

Power transmission from the interlocking input shaft 14 to the rotary 16 rotatably mounted on the first transmission case 13 is interrupted by means not shown to stop the rotary drive of the rotary 16. The jumping claws 20 detachably connected to the flange 19 of the rotary 16 are removed from the flange 19.

Therefore, the rotary 16 does not bounce up the mud on the edge of the ridge toward the old ridge A, and the rotary shaft
By connecting the ridge body 38 to 32, a ridge adjusting device for cutting and adjusting the old ridge A in preparation for ridge coating is configured. Then, if necessary, the height of the gauge wheel 59 is adjusted and set at a predetermined position, so that the gauge wheel 59 is used to set the ridged body 70.
The working height of is adjusted and set.

Next, the arranging device is arranged along the old ridge A by the tractor, that is, each upper surface cutting claw of the arranging body 38.
42 is arranged at the cutting position on the upper surface B of the old ridge A,
The side surface cutting claws 44 of the ridged body 38 are arranged at the cutting positions of the side surface portion C of the old ridge A.

When the tractor pulls the rectifying device along the ridge, and the input shaft 8 is rotated by the output from the PTO shaft of the tractor via the power transmission shaft, the input shaft 8 is rotated. The interlocking input shaft 14 connected via the clutch 15 is interlocked and rotated, and the bevel gear 28,
The first in the second transmission case 25 which is interlockingly connected via 29
Output shaft 27 is rotationally driven, and rotational shaft 32 in third transmission case 30 that is interlockingly coupled to this first output shaft 27 via an interlocking medium (sprocket 33, 34 and endless chain 35) is rotationally driven. To be done.

When the rotary shaft 32 is driven to rotate, the ridged body 38 is interlockedly rotated by the rotary shaft 32, and a plurality of upper surface cutting radially projecting on the connecting body 39 of the ridged body 38. nail
At 42, the upper surface B of the old ridge A is sequentially cut from a predetermined position and is coaxial with the plurality of upper surface cutting claws 42 (rotating shaft 32).
The side surface portion C of the old ridge A is sequentially cut from a predetermined position by a plurality of side surface cutting claws 44 radially provided on the connecting body 39) fitted and fixed to.

At this time, since each of the plurality of upper surface cutting claws 42 has an inclined notch 43 at the tip thereof, each notch 43 is cut.
At the same time, the upper surface portion B of the old ridge A is sequentially cut diagonally, and the cut soil a is sequentially removed from the side surface portion C of the old ridge A in the direction away from the side surface portion C.

Each of the plurality of side surface cutting claws 44 has a cutting blade 45 at the front edge portion in the rotational direction thereof, and at the rear edge portion thereof, the cutting soil is separated from the side surface portion C of the old ridge A outwardly. Since each of them has a discharge plate 46 for discharging toward the front and a curved portion 47 formed by being twisted at each tip thereof, when the side surface portion C of the old ridge A is cut by a plurality of side surface cutting claws 44, While the side surface C of the old ridge A is cut by cutting into the ridge from the cutting edge 45 of the front edge portion in the rotation direction of the plurality of side surface cutting claws 44, this cutting soil b is rotated by the plurality of side surface cutting claws 44. In the direction of the trailing edge, the soil discharge plate 46 and the curved portion 47 at the tip end are discharged toward the side portion separated from the edge of the old ridge A.

Therefore, the upper surface portion B of the old ridge A and the side surface portion C of the old ridge A are sequentially cut and advanced from predetermined positions at the same time, and the upper surface portion B of the old ridge A and the side surface of the old ridge A are advanced. The part C is sequentially adjusted in preparation for ridge coating, and the cutting soils a and b are cut off and removed at the ridges of the old ridge A, so that the cutting soils a and b interfere with the ridge coating. Is prevented.

Then, after the upper surface portion B and the side surface portion C of the old ridge A are cut by the trimmed body 38 and the old ridge A is trimmed in preparation for ridge coating, the old ridge A is ridged. When carrying out, first, the connecting body of the adjusting body 38 is attached to the rotary shaft 32 of the third transmission case 30.
By removing the connecting bolt 37 connecting the 39, the lock of the ridge 38 connected to the rotating shaft 32 is released. Then, by sliding and pulling out the connecting body 39 of the trimmed body 38 from the rotary shaft 32, the trimmed body 38 can be easily removed from the rotary shaft 32.

Next, the connecting body 71 of the ridge coating body 70 is slidably fitted into the rotating shaft 32 of the third transmission case 30 in the axial direction, and the communicating hole 76 of the connecting body 71 is rotated. The shaft 32 is made to communicate with the locking hole 36 at the selected position, and the connecting bolt 37 is inserted into and supported by the communicating hole 76 and the locking hole 36 at the selected position to rotate by the connecting bolt 37. The ridged body 70 is connected to the shaft 32.

Further, a plurality of jumping claws are attached to the flange 19 of the rotary 16 which is rotatably mounted on the first transmission case 13.
By radially projecting 20 and connecting them by bolts and nuts, a rotary 16 having a plurality of flip-up pawls 20 for bouncing mud on the ridge toward the old ridge A is configured.

Therefore, the ridged body 70 is connected to the rotary shaft 32, and a plurality of jumping claws 20 are radially provided on the flange 19 of the rotary 16 so that the old ridges A are coated with ridges. A ridge coating device for ridges is configured. Then, by adjusting the height of the gauge wheel 59 as necessary and setting it at a predetermined position, the working height of the ridged body 70 is adjusted and set by this gauge wheel 59.

Next, the ridge coating device is arranged along the ridge by the tractor, the ridge coating device is pulled along the ridge by this tractor, and the power is transmitted by the output from the PTO shaft of the tractor. When the input shaft 8 is rotated via the shaft, the interlocking input shaft 14 connected to the input shaft 8 via the clutch 15 is rotated. Then, the rotary 16 provided at the lower end of the first transmission case 13 which is interlockingly connected to the interlocking input shaft 14 via the interlocking medium (sprocket 21, 22 and the endless chain 23) turns the mud on the edge into the old ridge A. It is rotationally driven toward the direction of discharging.

When the interlocking input shaft 14 is rotated, the first output shaft 27 in the second transmission case 25, which is interlockingly connected to the interlocking input shaft 14 via bevel gears 28 and 29, is rotationally driven. Is
A rotary shaft 32 in a third transmission case 30 that is interlockingly connected to the first output shaft 27 via an interlocking medium (sprocket 33, 34 and endless chain 35) is rotationally driven, and is fixedly connected to the rotary shaft 32. The applied ridge coating body 70 is rotationally driven at a speed higher than the speed at which the ridge coating device is pulled and advanced by the tractor in the traveling direction.

Then, the rotary 16 is rotated while being driven by the tractor, so that the rotary 16 is rotated.
The mud on the edge of the ridge is sequentially flipped up toward the old ridge A by each of the jumping claws 20, and the mud is guided to the old ridge A by being guided by the cover body 24. That is, when the rotary 16 is driven to rotate, the jumping claws 20 of the rotary 16 sequentially stab the mud on the edge of the ridge, and the mud on the edge of the ridge sequentially moves toward the old ridge A by each jumping piece 20. It is flipped up and this mud is guided by the cover body 24 and is sequentially discharged toward the old ridge A.

Further, the mud discharged to the upper surface portion B of the old ridge A and the side surface portion C of the old ridge A as the ridge coating body 70 is rotated and driven by the tractor is conical to the cone of the ridge coating body 70. Shaped side coating part 74, cylindrical top surface coating part 73 and sandwiching body
At 75, while performing slip rotation along the upper surface portion B of the old ridge A, the side surface portion C of the old ridge A and the corner portion, the upper ridge portion B of the old ridge A, the side surface portion C and the corner portion of the old ridge A are rotated. Are applied simultaneously and sequentially.

Then, the mud slid up by the rotary 16 is surely adhered integrally to each part of the old ridge A by the ridged body 70, the old ridge A is restored by the mud, and the ridge of a predetermined shape is restored. Be adjusted to. Therefore, the ridges after the ridges are applied are repaired and adjusted so that the ridges will not easily collapse or leak.

[0062]

According to the invention of claim 1, the ridged body has a connecting body which is connected and fixed to the rotary shaft, and the upper side portion of the old ridge is provided so as to project radially on the peripheral side portion of the connecting body. Since there are a plurality of upper surface cutting claws to be cut and a plurality of side surface cutting claws radially protruding on the peripheral side portion of the connection body to cut the side surface of the old ridge, a plurality of upper surface cutting claws provided coaxially With the plurality of side surface cutting claws, it is possible to simultaneously perform the ridge processing for cutting the upper surface portion of the old ridge and the side surface portion of the old ridge, and this work efficiency can be improved. In addition, the upper surface cutting claw that cuts the upper surface of the old ridge and the side cutting claw that cuts the side surface of the old ridge may be a common drive system, and these configurations are simple and the overall form can be downsized and the cost can be reduced. The merit is great.

According to the second aspect of the present invention, since the plurality of side surface cutting claws of the ridge body have the earth discharging plate for discharging the cutting soil toward the side portion of the old ridge, at the trailing edge of the rotating direction, It is possible to reliably discharge the cutting soil toward the side part which is separated from the ridge of the old ridge by the earth discharging plates of the plurality of side cutting claws, and this cutting soil becomes an obstacle during the ridge coating. Can be prevented.

According to the third aspect of the present invention, by selecting either the ridged body or the ridged body with respect to the rotating shaft and connecting them detachably and interchangeably, the ridged body and the ridged body are attached. By changing the and, you can surely perform the arranging work for cutting the old ridge and the ridge coating and adjusting work for the old ridge with one working machine,
The cost merit is great because there is no need to prepare each work machine.

According to the fourth aspect of the present invention, the mud that is splashed up by the rotation of the rotary can be reliably guided toward the old ridge by the cover body that guides the rotary and the mud toward the old ridge. Adhesion of the embankment is sufficient by applying the mud to the old ridges with the ridge-coated body, and the ridges applied to the old ridges will not collapse or leak water after ridge adjustment.
Therefore, it is possible to provide a trimming device having a good finish without causing unevenness in trimming.

[Brief description of drawings]

FIG. 1 is a plan view in which a part of a trimming device according to an embodiment of the present invention is cut away.

FIG. 2 is a side view of the same.

FIG. 3 is a rear view of the same.

FIG. 4 is a side view showing the relationship between the above-mentioned trimmed body and old ridges.

FIG. 5 is a side view showing the same cutting work state as above.

FIG. 6 is a plan view in which a part of the ridge adjusting device in which the ridge coating is attached to the rotary shaft is cut away.

FIG. 7 is a side view of the same.

FIG. 8 is a rear view of the same.

[Explanation of symbols]

 1 Machine frame 16 Rotary 24 Cover body 32 Rotating shaft 38 Arrangement body 39 Connection body 42 Top cutting claw 44 Side cutting claw 45 Cutting blade 46 Excavator plate 70 Ridge coating body A Old ridge B Old ridge upper surface C Old ridge Side part

Claims (4)

[Claims] 1. A machine frame, a left-right rotating shaft rotatably provided on the machine frame, and a ridge body provided on the rotary shaft, wherein the ridge body is the rotary shaft. A plurality of upper surface cutting claws which are provided to radially project on the peripheral side portion of the connecting body and cut the upper surface portion of the old ridge, and radially project on the peripheral side portion of the connecting body. And a plurality of side surface cutting claws which are provided to cut the side surface of the old ridge. 2. The plurality of side surface cutting claws of the ridged body each have a cutting blade at a front edge portion in the rotation direction thereof, and have cutting soil directed to a side portion of the old ridge at a rear edge portion in the rotation direction. The soil leveling device according to claim 1, further comprising an earth discharging plate for discharging the soil. 3. A machine frame, a left-right rotation shaft rotatably provided on the machine frame, a plurality of upper surface cutting claws detachably connected to the rotation shaft for cutting an upper surface portion of an old ridge, and A ridged body having a plurality of side surface cutting claws radially protruding to cut the side surface of the old ridge, and an upper surface part of the old ridge detachably connected to the rotary shaft and cut by the plurality of upper surface cutting claws. And a ridged body for adjusting the side surface of the old ridge cut by the plurality of side cutting claws by applying mud to the rotary shaft, and the ridged body and the ridged body with respect to the rotation axis. 3. The trimming device according to claim 1, wherein one of the two is detachably connected. 4. The machine frame is rotatable in front of a ridged body connected to a rotary shaft, and has a plurality of upwardly projecting claws radially projecting the mud on the old ridge toward the old ridge. 4. The ridge trimming device according to claim 3, further comprising a rotary and a cover body that guides the mud repelled by the rotary toward the old ridge.