KR20080071421A - Paddy harrow enable to altering width - Google Patents

Abstract

A width adjustable paddy harrow is provided to adjust a width of a harrow plate easily by a simple structure by installing an auxiliary harrow plate and an unfolding harrow plate on a harrow plate. A width adjustable paddy harrow includes: a rotor(R) comprising a rotor blade(RF) and a rotor cover(RC) installed on a rotor body(RB); a harrow plate(H); an auxiliary harrow plate(H') installed on both sides of the harrow plate to be slidable in a width direction of the harrow plate; and a reciprocating cylinder(R3) of which one end is connected to the auxiliary harrow plate, and the other end is connected to the harrow plate. The reciprocating cylinder is mounted to move the auxiliary harrow plate.

Description

Munon stopper with adjustable width {PADDY HARROW ENABLE TO ALTERING WIDTH}

1 is a perspective view illustrating a non-stop stopper width adjustable according to an embodiment of the present invention

Figure 2 is a perspective view showing in detail the joint portion and the link portion of the non-non stop stop adjustable in accordance with an embodiment of the present invention

Figure 3a and Figure 3b is a side view showing the operation of the joint portion and the link portion of the non-tunable stop non-stop according to an embodiment of the present invention

Figure 4 is a perspective view showing in detail the stopper portion of the non-non stop stop adjustable width according to an embodiment of the present invention

5a to 5c is a side view showing the operation of the stopper portion of the non-stop stopper width adjustable in accordance with an embodiment of the present invention

6 is a rear view conceptually showing the operation of the width-adjustable non-non stop according to an embodiment of the present invention

Figure 7 is a perspective view showing in detail the deployment means of the adjustable non-non stop stop according to an embodiment of the present invention

8A and 8B conceptually illustrate the operation of the deployment means of the non-uniform stop capable of adjusting the width according to one embodiment of the present invention;

9 is a view showing a conventional conventional nonnon stop.

<Short description of the major reference symbols>

R rotor

     RB and RB 'rotor body and auxiliary body

     RF rotor wing

     RC and RC 'rotor cover and auxiliary cover

H, H 'and H "Stop Plates, Auxiliary Stop Plates, Deployment Stop Plates

10 Joint part

    11 1st Ball Joint

    12 first link bar

    13 Second Link Bar

    16 1st hinge axis

    17 2nd hinge axis

    18 Third Hinge Shaft

20 links

    21 2nd Ball Joint

    22 Third Link Bar

    23 4th Link Bar

    24 5th Link Bar

    26th hinge shaft

    27 5th Hinge Shaft

    28 6th Hinge Shaft

30 stopper

    31 Guide Bracket

    32 6th Link Bar

    33 Guide pin

    36 7th Hinge Shaft

    37 8th Hinge Shaft

    38 9th Hinge Shaft

40 round trip cylinder

50 Deployment Means

    51 Cam Bracket

    52 campin

The present invention relates to a non-non stop stopper that can be adjusted in width, and more specifically, the stop plate connected to the rear of the rotor is provided so that the auxiliary stop plate and the deployment stop plate is unfolded width adjustment to facilitate the width adjustment of the stop plate with a simple structure This relates to a possible nonnon stop.

Generally, after plowing or plowing a field or paddy field, the soil is crushed into small pieces to be evenly planted. In particular, after the rice paddy was stopped, the Munon stopper was used to plow the rice paddy, to soil, stop and level the soil. The non-non stop as described above is made by the rotor by the rotor and stopped at the same time by the non-non stop, the non-non stop is provided with improved work efficiency and stop performance.

Fig. 9 shows such a conventional non-non stop. Referring to the drawings, the conventional Munon stopper is provided with a tractor connecting portion 2 for connecting to a tractor (not shown in the drawing) on the upper side of the rotor body 1, and the lower portion of the rotor body 1 is transmitted from the tractor. Rotor is provided for crushing the soil while being rotated by the rotational force, and the rotor cover (3) mounted to the rear of the rotor body (1) to prevent the soil broken by the rotary blade of the rotor (6) to be splashed to the outside The stop plate (H) is integrally connected to the configured rotor (R). The stop plate (H) is connected to the lower end of the rotor cover (3) by a horizontal hinge axis on the lower end of the rotor cover (3).

On the other hand, in the drawing, the auxiliary body 1 'is foldably connected to both sides of the rotor body 1 so as to reduce the width at the time of movement and widen the working width at the time of operation, and an auxiliary cover at the rear of the auxiliary body 1'. A non-non stop is disclosed in which 3 'and the auxiliary stop plate H' are integrally attached.

By the way, in the case of the conventional Munon stopper, the auxiliary stop plate (H ') is connected to the auxiliary body (1') is connected to the rotor body is rotated integrally with the auxiliary body (1 ') is configured and structured and operated This has a complicated drawback.

The present invention is to solve the above problems, an object of the present invention is to provide an auxiliary stop plate and a deployment stop plate to the stop plate connected to the rear of the rotor to facilitate the width adjustment of the stop plate with a simple structure It is to provide a munon stop with adjustable width.

In order to achieve the above object, the width-adjustable Munon stopper according to the present invention is arranged in the width direction in the lower portion of the rotor body connected to a tractor, the rotor blade is rotated by receiving power from the tractor is the rotor body The upper end is connected to the rotor body in a horizontal hinge axis to be rotated in a direction in which the lower end is lifted and lowered from the rear of the rotor body so as to prevent the soil broken by the rotation of the rotor blades from being splashed to the outside. A non-non stop device configured to integrally connect a stop plate to a rotor including a rotor cover, comprising: an auxiliary stop plate slidably mounted on both sides of the stop plate in a width direction of the stop plate, and the auxiliary stop plate being stopped. In the overlapping direction with the plate and in the width direction unfolding from both sides of the stop plate. To move one end riding is characterized in that connected to the auxiliary plate and the other end stop further comprises a reciprocating cylinder connected to the stop plate.

In addition, the width-adjustable munon stopper according to the present invention, the end portion in the width direction of the auxiliary stop plate is rotated rotatably in a direction overlapping the upper portion of the auxiliary stop plate and spread to each of both sides of the auxiliary stop plate It characterized in that it further comprises a deployment stop plate connected to.

In addition, the non-tunable stopper width adjustable according to the present invention, the auxiliary stop plate by the operation of the reciprocating cylinder slides in the direction of exiting the stop plate to expand the deployment stop plate, the auxiliary stop plate is inserted into the stop plate While the sliding movement in the superimposed direction is characterized in that the deployment means for folding the deployment stop plate.

In addition, the width-adjustable munon stopper according to the present invention, the deployment means is formed to be cut inclined inward in each direction so that the upper cam surface and the lower cam surface meet each other at the same height as the point where the deployment stop plate is connected to the rotation stop plate by the rotation axis. The cam bracket is placed, and the cam pin is placed at a position lower than the point at which the deployment stop plate is connected to the rotary shaft at an end portion in the width direction of the stop plate, and the auxiliary stop plate is stopped at the cam pin in a state in which the deployment stop plate is extended. The lower cam surface is contacted while being moved in a superimposed manner on the plate, and the auxiliary cam is moved in the unfolding direction from the stop plate while the deployment stop plate is folded.

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail non-stop non-stop stop according to the present invention.

1 is a perspective view of a non-non-stop non-stop adjustable in accordance with an embodiment of the present invention.

Referring to the drawings, the width-adjustable non-non stop according to an embodiment of the present invention, the stop plate (H), the auxiliary stop plate (H ') and the deployment stop plate (H ") at the rear end of the rotor (R) It is possible to not only rotate in the direction of lifting and lowering, but also rotation (rolling) in the direction of lifting and lowering of both end portions in the width direction is connected.

First, the rotor R for connecting the stop plate H, the auxiliary stop plate H 'and the deployment stop plate H "will be described. The rotor R is provided at the front end of the rotor body RB. Is connected to a predetermined tractor (not shown in the figure) by the connecting portion (R1), the rotor blade (RF) is arranged in the width direction in the lower portion of the rotor body (RB) is rotated by receiving power from the tractor The upper end is installed on the rotor body (RB), the upper end portion is rotatable in the direction in which the lower end is lifted and lowered from the rear of the rotor body (RB) to prevent the soil broken by the rotation of the rotor blade (RF) to splash out. The rotor cover RC is connected to the rotor body RB by a 'horizontal' hinge axis, while the rotor R can be folded during movement and expanded during work to expand the working width. Of the rotor body RB to be folded and unfolded by the reciprocating cylinder R3. An auxiliary body RB 'is connected to both sides, and an auxiliary cover RC' is connected to each of the auxiliary bodies RB '.

The stop plate (H) can be rotated in the direction in which the rear end is lifted and lowered, as well as the joint (10) in the rotor (R) to enable rotation (rolling) in the direction in which both end portions in the width direction are lifted and lowered. It is connected by the link part 20 and the stopper part 40.

Meanwhile, in the present invention, for convenience of description, an axis having a horizontal axis center line (rotation axis, hinge axis, etc.) is defined as a 'horizontal' axis (rotation axis, hinge axis, etc.), and the left and right in the width direction are heard. Rotation in the lowering direction is defined as 'rolling'.

Figure 2 is a perspective view showing in detail the joint portion and the link portion of the non-tunable stop non-stop according to an embodiment of the present invention, Figures 3a and 3b is a non-tunable width adjustable in accordance with an embodiment of the present invention It is a side view which shows operation | movement of the joint part and link part of a stopper.

The joint portion 10 is configured to connect the stop plate (H) to the rear of the rotor (R) to enable a 'rolling' as well as to rotate in the direction in which the rear end thereof is lifted and lowered. Referring to the drawings, the joint part 10 is provided with a first ball joint 11 composed of a ball 111 and a socket 112. Since the first ball joint 11 has a structure in which the ball 111 is freely rotated inside the socket 112, the stop plate H may be rotated in various directions so that the rotor plate R may be rotated. It is connected to the rear. Referring to the drawings, the ball 111 of the first ball joint 11 is a horizontal axis of the first ball connecting hinge 113 provided in the center position in the width direction on the top of the stop plate (H) The first link bar 12 is connected to the socket 112 of the first ball joint 11 and a third hinge shaft 18 is provided. The first link bar 12 is integrally welded to the socket 112 of the first ball joint 11 and extends toward the lower end of the rotor cover RC to the center of the lower end of the rotor cover RC. It is connected to the provided 'horizontal' first hinge axis 16. The rear side of the rotor body RB is provided with a 'horizontal' second hinge shaft 17 at a central position in the width direction so that one end of the second link rod 13 is connected. The other end of the second link bar 13 is connected to the 'horizontal' third hinge shaft 18 provided in the socket 112 of the first ball joint 11.

The link part 20 is connected to the rotor R by the rotor cover RC and the joint part 10 connected in such a way that the rear end is lifted and lowered by the rotor body RB, and the rear end is lifted. It is for controlling the rotation of the stop plate (H) so that the stop plate (H) connected in the lowering direction is pushed in the lowering direction, and the stop plate (H) is moved horizontally up and down as viewed from the side. That is, the link unit 20 not only applies an elastic force for pressing the stop plate (H) downward so that the stop plate (H) is in close contact with the ground of Munon, and the rotor cover (RC) and the stop plate (H) When the rear end is rotated in the direction of lifting and lowering, respectively, the stop plate (H) is to be moved up and down while maintaining a horizontal posture without tilting from the side. Referring to the drawings, the link unit 20 is provided with a second ball joint 21 composed of a ball 211 and the socket (212). Since the second ball joint 21 has a structure in which the ball 211 is freely rotated inside the socket 212, the rotation of the stop plate H connected by the joint part 10 is not restricted. do. Referring to the drawings, the ball 111 of the first ball joint 11 is located at the rear position of the first ball joint 11 at the center in the width direction of the upper portion of the stop plate (H) 'horizontal It is connected to the hinge shaft 213 for the second ball connection, the third link bar 22 is integrally connected to the socket 212 of the second ball joint (21). The third link bar 22 integrally connected to the socket 212 of the second ball joint 21 extends upwardly and the fourth link bar 23 described below is connected to the upper end thereof. The fourth link bar 23 is supported to slide in a guide 25 provided on the rotor body RB. In particular, the fourth link bar 23 is provided with a locking jaw 231, and the compression spring 232 is interposed between the locking jaw 231 and the guide 25, the fourth link bar (23). ) Receives an elastic force in the direction of pressing the stop plate (H) downward by the compression spring (232). The lower end of the fourth link bar 23 is connected to the 'horizontal' fourth hinge shaft 26 provided at the upper end of the third link bar 22. The rotor body (RB) is provided with a 'horizontal' fifth hinge shaft 27 for connecting the fifth link bar 24 described below, in which the fifth hinge shaft 27 is the second hinge. An example composed of a shaft 17 and one configuration is illustrated, and the fifth hinge shaft 27 may be configured separately from the second hinge shaft 17 unlike the example illustrated in the drawing. One end of the fifth link bar 24 is connected to the fifth hinge shaft 27, and the other end of the fifth link bar 24 is provided at a position between the upper end and the lower end of the third link bar 22. Connected to the 'horizontal' sixth hinge axis 28.

3A and 3B illustrate the operation of the joint part 10 and the link part 20. Hereinafter, the operation of the joint part 10 and the link part 20 will be described with reference to the drawings. . FIG. 3A illustrates a state in which the rotor cover RC and the stop plate H are placed in a neutral position without being rotated in a lifting or lowering direction. 3B illustrates that the stop plate H connected to the rotor R by the joint part 10 is rotated in the direction in which the rotor cover RC is lifted in the direction in which the link part 20 is lifted. It shows the state moved upward while the rotation is constrained.

As described above, the stop plate H connected to the rotor R by the joint part 10 and the link part 20 is 'rolled', and the joint part 10 and the link part 20 are the stop plate ( Since the center position of H) is connected to the center position in the width direction of the rotor R, the angle at which the stop plate H is rolled is not constrained. Accordingly, both ends of the stop plate (H) is provided with a stopper (30) for constraining the stop plate (H) to be 'rolling' only within a certain angle range.

Figure 4 is a perspective view showing in detail the stopper portion of the adjustable width non-non stop stop according to an embodiment of the present invention, Figure 5a to Figure 5c is a width adjustable non-non stop stop according to an embodiment of the present invention It is a side view which shows operation of the stopper part.

Referring to the stopper part 30 with reference to the drawings, the stopper part 30 is provided with a guide bracket 31, the guide bracket 31 is provided in the 'horizontal' provided in the rotor cover (RC) It is connected to the seventh hinge shaft 36. The seventh hinge shaft 36 is provided at a lower end portion at each position of both end portions in the width direction of the rotor cover RC. A guide slot 311 is formed on the guide bracket 31 connected to the seventh hinge shaft 36 vertically and vertically, and the 'horizontal' ninth hinge shaft (6) for connecting the sixth link bar 32 described below ( 38). The rotor body RB is provided with a 'horizontal' eighth hinge shaft 37 for connecting the sixth link bar 32 to one end of the sixth link bar 32. The other end of the sixth link bar 32 is connected to the ninth hinge shaft 38 provided in the guide bracket 31. A guide pin 33 is inserted into the guide slot 311 and guided in the longitudinal direction of the guide slot 311 to be slid. The guide pins 33 are provided at positions of both end portions in the width direction of the stop plate H, respectively.

5A to 5C illustrate the operation of the stopper unit 30. Hereinafter, the operation of the stopper unit 30 will be described with reference to the drawings. FIG. 5A illustrates a state in which the rotor cover RC and the stop plate H are placed in a neutral position without being rotated and 'rolled' in a lifting or lowering direction. Meanwhile, FIG. 5B illustrates a state in which the stop plate H is moved upwardly while the rotor cover RC is rotated upward. At this time, the guide bracket 31 connected to the sixth link bar 32 is not rotated by the sixth link bar 32 and is moved upward only. Accordingly, when the guide bracket 31 is rotated, the guide slot 311 in which the guide pin 33 is guided does not tilt. On the other hand, Figure 5c shows a state in which the stop plate (H) is 'rolling' and both ends thereof move up and down. Referring to the drawings, when the stop plate (H) is rolled, both ends of the guide pin (33) is moved up and down, and thus the guide pins (33) provided on each of both ends of the stop plate (H) is It is inserted into the guide slot 311 of the guide bracket 31 and slides along the guide slot 31. However, since the length of the guide slot 311 is limited, the guide pin 33 inserted into the guide slot 311 and slidably slides from both ends of the guide slot 31 in the longitudinal direction. Accordingly, the 'rolling' of the stop plate H to which the guide pin 33 is connected is made only within the length range of the guide slot 311 to which the guide pin 33 is moved.

On the other hand, 6 is a rear view conceptually showing the operation of the non-non-stop stopper width adjustable according to an embodiment of the present invention. Referring to the drawings, the stop plate (H) is' rolling 'is connected to the rotor (R) so that the ground is uneven, so that the stop even if the rotor (R) is inclined left and right as in the R' state Plate (H) is to maintain a horizontal state. In FIG. 6, H 'and H "are auxiliary stop plates and development stop plates which are attached to the stop plate H and are' rolled 'integrally with the stop plate H, which will be described below.

The present invention is characterized in that the auxiliary stop plate (H ') and the deployment stop plate (H ") can increase or decrease the width of the stop.

The auxiliary stop plate (H ') is provided on each of both sides of the stop plate (H) so as to be slidable in the width direction of the stop plate (H). That is, the auxiliary stop plate (H ') is superimposed on the lower portion of the stop plate (H') and guided by the stop plate (H) to slide in the width direction. A reciprocating cylinder 40 is mounted to slide the auxiliary stop plate H '. That is, the reciprocating cylinder 40 is for slidingly moving in the direction in which the auxiliary stop plate (H ') is superimposed with the stop plate (H) and the width direction unfolded from both sides while being separated from the stop plate (H), One end 42 (cylinder rod) is connected to the auxiliary stop plate (H ') and the other end 41 (cylinder case) is connected to the stop plate (H ").

The development stop plate H ″ is connected to the end of the auxiliary stop plate H 'in the width direction to be unfolded and folded. That is, the deployment stop plate H ″ is connected to the auxiliary stop plate H ′. The end portion in the width direction of the auxiliary stop plate (H ') is overlapped with the upper side of the auxiliary stop plate (H') is connected to the rotation shaft 53 so as to be rotatable in the unfolding direction on each side. The deployment means 50 is provided to expand and fold the deployment stop plate H ″ as described above by the sliding movement of the auxiliary stop plate H '. The deployment means 50 is provided in the reciprocating cylinder 40. When the auxiliary stop plate (H ') is moved by sliding in the unfolding direction while being released from the stop plate (H) by the operation, the deployment stop plate (H ") is unfolded, the auxiliary stop plate (H') is the stop plate When the sliding movement in the overlapping direction while being inserted into (H) is to rotate about the deployment stop plate (H ") about the rotation shaft 53 to fold the deployment stop plate (H").

Figure 7 is a perspective view showing in detail the deployment means of the adjustable width non-non stop according to an embodiment of the present invention, Figures 8a and 8b is a non-non stop adjustable width in accordance with a temporary embodiment of the present invention Is a diagram conceptually illustrating the operation of the deployment means of the.

The deployment means 50 expands the deployment stop plate H ″ while slidingly moving in the direction in which the auxiliary stop plate H 'is removed from the stop plate H by the operation of the reciprocating cylinder 40, As the auxiliary stop plate (H ') is inserted into the stop plate (H) to slide in the superimposed direction to fold the deployment stop plate (H ").

Referring to the drawings, the deployment means 50 includes a cam bracket 51 and a cam pin 52. The cam bracket 51 is attached to the deployment stop plate H ″, and the cam bracket 51 has an upper cam surface 51a at the same height as the point at which the deployment stop plate H ″ is connected to the rotation shaft 53. ) And the lower cam surface 51b are formed to be inclined inwardly to meet each other. The cam pin 52 is formed at an end portion in the width direction of the stop plate H so as to face the lower cam surface 51 a and the upper cam surface 51 b, rather than a point at which the deployment stop plate H ″ is connected to the rotation shaft 53. The auxiliary stop plate (H ') is superimposed on the stop plate (H) in a state in which the deployment stop plate (H ") is unfolded. As the lower cam surface 51b is moved, the auxiliary stop plate H 'is moved in a direction in which the auxiliary stop plate H' is unfolded from the stop plate H while the deployment stop plate H ″ is folded. 51a), that is, when the auxiliary stop plate H 'is moved by the operation of the reciprocating cylinder 40, the cam pin 52 is in contact with the upper cam surface 51a and the lower cam surface 51b. Sliding the cam surface to apply a moment to the cam bracket 51 about the rotation shaft 53, the moment The development by stop plate (H "), the cam bracket 51 is connected integrally to rotate.

Hereinafter, the operation of the deployment means 50 will be described in detail with reference to FIGS. 8A and 8B, which illustrate the operation of the deployment means 50 step by step.

8A illustrates a process in which the auxiliary stop plate H 'is folded as the reciprocating cylinder 40 is retracted, and then the deployment stop plate H ″ is folded, and (a) shows the auxiliary stop plate ( H ') and the deployment stop plate (H ") is fully extended, the reciprocating cylinder 40 starts to retreat, (b) is the reciprocating cylinder 40 is retracted and the auxiliary stop plate (H') The cam pin 53 provided at the stop plate H is in a state of being in contact with the end point of the lower cam surface 51b of the cam bracket 51 while being superimposed on the stop plate H, (c) The reciprocating cylinder 40 is further retracted so that the cam pin 53 slides the lower cam surface 51b of the cam bracket 51 to apply moment to the cam bracket 51 so that the deployment stop plate H &quot; The cam bracket 51 is shown in a state of being integrally rotated, (d) the reciprocating cylinder 40 is further retracted so that the cam pin 53 is the cambra When the lower cam surface 51b and the upper cam surface 51a of the 51 meet the point where the deployment stop plate H ″ is rotated by 90 ° integrally with the cam bracket 51, (e) ), The reciprocating cylinder 40 is further retracted so that the cam pin 53 slides on the upper cam surface 51a past the point where the lower cam surface 51b and the upper cam surface 51a of the cam bracket 51 meet. While the moment is applied to the cam bracket 51, (f) is the reciprocating cylinder 40 is further retracted so that the cam pin 53 is sliding on the upper cam surface (51a) of the cam bracket 51 The deployment stop plate H ″ is rotated 180 ° integrally with the cam bracket 51 by reaching the distal end of the upper cam surface 51a so that the deployment stop plate H ″ is the auxiliary stop plate H '. It shows a state completely folded to the top of.

8B illustrates a process in which the deployment stop plate H ″ is unfolded as the reciprocating cylinder 40 is advanced and then the auxiliary stop plate H ′ is unfolded, and (a ′) is the auxiliary stop. The plate (H ') is superimposed on the stop plate (H) and the deployment stop plate (H ") is a state in which the reciprocating cylinder 40 starts to move forward folded in the upper portion of the auxiliary stop plate (H') , (b) is the stop plate from the end point of the upper cam surface 51a of the cam bracket 51 while the reciprocating cylinder 40 is advanced so that the auxiliary stop plate (H ') is removed from the stop plate (H) The cam pin 53 provided at (H) slides on the upper cam surface 51a to apply a moment to the cam bracket 51 so that the deployment stop plate H ″ is integral with the cam bracket 51. (C) shows that the reciprocating cylinder 40 is further advanced so that the cam pin 53 of the cam bracket 51 The deployment stop plate H ″ is rotated 90 ° integrally with the cam bracket 51 when the upper cam surface 51a and the lower cam surface 51b meet each other, and (d) indicates the reciprocation. The cylinder 40 is further advanced so that the cam pin 53 slides on the lower cam surface 51b through a point where the upper cam surface 51a and the lower cam surface 51b of the cam bracket 51 meet, and slides on the cam bracket ( The moment is applied to the 51, (e) is the reciprocating cylinder 40 is further advanced so that the cam pin 53 slides on the lower cam surface 51b of the cam bracket 51, the lower cam surface ( The deployment stop plate H ″ is integrally rotated 180 ° with the cam bracket 51 so as to reach the distal end of 51b), and the deployment stop plate H ″ is fully extended from the auxiliary stop plate H '. (F) shows that the reciprocating cylinder 40 is further advanced so that the deployment stop plate (H ") extends from the auxiliary stop plate (H '). Completely while the cam bracket 51 is away from the cam pins 53 in the expanded state out of the auxiliary stop plate (H ') from the stop plate (H) shows a fully expanded state.

According to the configuration described above, the non-stop non-stop capable of adjusting the width of the present invention is provided so that the auxiliary stop plate and the unfolding stop plate are spread on the stop plate connected to the rear of the rotor to facilitate the width adjustment of the stop plate with a simple structure. Has an advantage.

The non-tunable stopper described above and illustrated in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

Claims (4)

Rotor wings arranged in the width direction in the lower portion of the rotor body connected to a predetermined tractor is rotated by receiving power from the tractor is installed in the rotor body, to prevent the soil broken by the rotation of the rotor blades to splash out. In the non-non stop machine configured to be connected to the stop plate integrally to the rotor configured to include a rotor cover connected to the rotor body in a horizontal hinge axis to the upper end is rotatable in the direction of lifting and lowering the lower end of the rotor body, Auxiliary stop plates provided on both sides of the stop plate so as to slide in the width direction of the stop plate; And further comprising a reciprocating cylinder connected at one end to the auxiliary stop plate and the other end connected to the stop plate so as to slide the auxiliary stop plate in a direction overlapped with the stop plate and in a width direction unfolded from both sides of the stop plate. Width adjustable munon stop. The method of claim 1, The end portion in the width direction of the auxiliary stop plate is overlapped to the upper portion of the auxiliary stop plate and the width is further characterized in that the development stop plate is connected to the rotation axis rotatably in a direction unfolding on both sides of the auxiliary stop plate This nonon stopper is possible. The method of claim 2, The auxiliary stop plate is slidably moved in the direction of exiting the stop plate by the operation of the reciprocating cylinder to expand the deployment stop plate, and the auxiliary stop plate is slidably moved in the superimposed direction while being inserted into the stop plate to fold the deployment stop plate. Width adjustable munon stop, characterized in that the deployment means is provided for. The method of claim 3, The deployment means is provided with a cam bracket formed to be inclined in the inward direction so that the upper cam surface and the lower cam surface meet each other at the same height as the point where the deployment stop plate is connected to the rotary shaft by the deployment stop plate, The cam pin is placed at a position lower than the point at which the deployment stop plate is connected to the rotary shaft at an end in the width direction of the stop plate, wherein the auxiliary stop plate is superimposed on the stop plate in a state where the deployment stop plate is unfolded. The lower cam surface is in contact with the movement, the non-stop stopper width adjustable, characterized in that configured to be in contact with the upper cam surface as the auxiliary stop plate is extended from the stop plate in a state in which the deployment stop plate is folded.

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