JPH0537004U - Grooving machine - Google Patents

Abstract

(57) [Summary] [Purpose] When grooving by a grooving machine 10 in a paddy field 44, raised portions 40 due to dug up soil are formed on both sides of the trench 38, and the raised portion 40 causes a flood water 48 on the trench 38. Is hindering the flow of water. The present invention provides a grooving machine 10 that avoids this. [Constitution] Going forward while being submerged in the soil, the groove 38
A rotating body (26) rolling on the ground while being pulled by the groove cutting plate (24) is attached to the rear side of the groove cutting plate (24) forming the. The rotating body 26 is
A triangular protrusion 32 is provided which bites into the raised portions 40 on both sides of the groove 38 in the direction of rotation to form a kerf 46 across the raised portion 40 at the biting position.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a grooving machine that forms a groove in a field for mid-drying of paddy fields, and more particularly to a grooving machine that can form a groove with improved drainage.

[0002]

[Prior Art]

 When making paddy rice, grooving is performed by a grooving machine for medium drying. A conventional grooving machine only forms a groove that advances and extends in the direction of travel while submerging the grooving plate in the soil, and raised portions due to dug up soil are formed on both sides of the groove.

[0003]

[Problems to be solved by the device]

 As a result, such ridges prevent water in the paddy from flowing into the ditches, resulting in poor mid-drying. An object of the inventions of claims 1 and 2 is to provide a grooving machine capable of improving drainage to the groove despite the raised portions on both sides of the groove. The object of the invention of claim 3 is to prevent the damage of crops while achieving the objects of the inventions of claims 1 and 2.

[0004]

[Means for Solving the Problems]

 The invention will be described using the reference numerals of the drawings corresponding to the embodiments. The grooving machine (10), which is the premise of claim 1, advances while forming the grooving plate (24) in the soil to form a groove (38) extending in the traveling direction. Further, in the grooving machine (10) according to claim 1, with the progress of the grooving machine (10), the rolling element (26,50) that rolls and advances on the ground behind the grooving plate (24). ) Is provided. The rotating body (26, 50) has a kerf-forming portion (32, 50) formed by biting the kerf (46) across the ridges (40) on both sides of the groove (38) into the ridge (40) in the rotational direction. 54).

The grooving machine (10) which is the premise of claim 2 advances while forming the grooving plate (24) in the soil to form a groove (38) extending in the advancing direction. The groove slicing machine (10) according to claim 2 is moved up and down by the operation of the operating member (66) and crosses the swelling portion (40). It has a kerf forming portion (54) which is formed by cutting into 40).

In the groove cutting machine (10) of the third aspect, the groove forming portions (32, 54) are displaceable in the left-right direction. Further, as the grooving machine (10) progresses, the leaf protector plate (36) that obliquely abuts the crop (42) and is displaced to the opposite side in the left-right direction together with the kerf forming portions (32, 54) forms the kerf. It covers the front part of the part (32, 54) with a slope.

[0007]

[Action]

 In the invention of claim 1, as the grooving machine (10) advances, the grooving plate (24) advances in the soil and excavates the soil to both sides. As a result, the groove (38) is formed in the advancing direction of the groove cutting plate (24), and on both sides of the groove (38), a raised portion (40) of the soil dug up from the groove (38) is formed. ) Occurs. The rotating body (26, 50) advances while rolling on the ground behind the groove plate (24) as the groove machine (10) advances. The kerf forming part (32, 54) bites in the direction of rotation in the raised part (40) in accordance with the rotation of the rotating body (26, 50), and at this biting position, a kerf crossing the raised part (40). (46) is formed. Water flows through the kerf (46) into the groove (38) despite the presence of the raised portion (40).

In the invention of claim 2, as the grooving machine (10) advances, the grooving plate (24) advances in the soil and excavates the soil to both sides. As a result, the groove (38) is formed in the advancing direction of the groove cutting plate (24), and on both sides of the groove (38), a raised portion (40) of the soil dug up from the groove (38) is formed. ) Occurs. The kerf-forming portion (54) descends on the rear side of the groove-cutting plate (24) along with the operation of the operating member (66) and bites into the raised portion (40). A kerf 46 is formed across the 40. Water flows through the kerf (46) into the groove (38) despite the presence of the raised portion (40).

According to the third aspect of the present invention, when the crop (42) is in the left-right direction where it collides with the ends of the kerf forming parts (32, 54), the leaf guard (36) causes the groove cutter (10) to move. ) Obliquely abuts against the advancing direction, and the left-right component of the abutting force pushes the groove forming portions (32, 54) together with the leaf guard (36) to the opposite side in the left-right direction. As a result, the kerf forming parts (32, 54) move in the direction opposite to the abutting crop (42) and prevent the crop (42) from being pulled down.

[0010]

【Example】

 The present invention will be described below with reference to the embodiments shown in the drawings. FIG. 1 is a side view of the grooving machine 10. An engine unit 14 is attached to the rear end of the pipe 12, and the rotational power of the engine unit 14 is transmitted to a reduction gear unit 16 at the front end of the pipe 12 via a transmission shaft (not shown) in the pipe 12. Transmitted. One drive wheel 18 is attached to the output part of the reduction gear device 16, is driven by the rotational power transmitted through the reduction gear device 16, and supports the weight of the groove cutting machine 10. The front end of the handle 20 is fixed to the rear end of the pipe 12, and the handle 20 branches left and right while projecting rearward. The throttle lever 22 is attached to one of the left and right rear ends of the handle 20 and adjusts the engine output of the engine unit 14. The grooved plate 24 has a ship bottom-shaped lower portion and is fixed to the pipe 12 at the upper end. The rotating body 26 is connected to the rear end portion of the groove cutting plate 24 via a connecting tool 28 so as to advance from the rear side of the groove cutting plate 24.

FIG. 2 is a plan view of the groove plate 24 and the rotating body 26. The horizontal bar 30 is fixed to the rear end portion of the groove plate 24 and extends in the left-right direction. The connecting member 28 is rotatably connected to the central portion of the horizontal bar 30 around the vertical axis at the front end, branches in a bifurcated shape, and extends rearward, and at the rear end, the left and right end portions of the rotating body 26. Is rotatably supported.

FIG. 3 is an enlarged side view of a range including the rotating body 26. In FIGS. 2 and 3, the rotating body 26, which is formed by forming a frame in a cage shape, has triangular protrusions 32 arranged at 90 ° intervals in the rotation direction, with the central portion in the left-right direction as the apex. And a circular portion 34 connecting the respective vertices of the protrusion 32. The leaf guard 36 is fixed to the connector 28 with its outer surface facing diagonally forward, and covers the front of the left and right ends of the rotating body 26.

FIG. 4 is a cross-sectional view showing the condition of the groove 38 formed by the groove cutting machine 10 in the paddy field 44. The operation of the groove cutting machine 10 will be described with reference to FIG.

The operator moves through the paddy rice 42 while gripping the handle 20 of the groove cutting machine 10. At that time, the grooving plate 24 advances in the soil while maintaining a predetermined depth, and forms a groove 38 on the transverse plane of the ship bottom in the traveling direction. On both sides of the groove 38, excavated soil is deposited to form the groove 38, and a raised portion 40 is formed. The rotator 26 advances behind the groove plate 24 while rolling on the ground, and the frame-shaped triangular protrusion 32 of the cage rotator 26 bites into the raised portion 40 in the rotation direction, A lateral kerf 46 is formed at the biting position. Since the triangular protrusion 32 of the rotating body 26 has a triangular shape with its apex at the center in the left-right direction, the kerf 46 becomes a bottom that obliquely descends from the outside to the inside of the raised portion 40. .. As a result, the flooded water 48 outside the raised portion 40 flows into the groove 38 through the cut groove 46. FIG. 5 is a cross-sectional view of the grooving by the conventional grooving machine 10 having only the grooving plate 24 without the rotating body 26, and as a result of the grooving 46 not being formed, the overhanging water 48 on the outside of the raised portion 40 is shown. Can not get over the raised portion 40, and the flood water 48 cannot be sufficiently poured into the groove 38.

While the grooving machine 10 is in progress, the leaf guard 36 obliquely contacts the paddy rice 42. As a result, a component force of moving the rotating body 26 in the left-right direction on the side opposite to the contacted paddy rice 42 is generated, and the connecting tool 28 and the rotating body 26 are rotated about the fulcrum of the front end of the connecting tool 28. Swings in the left-right direction on the side opposite to the paddy rice 42 that is in contact with the leaf guard 36, passes through the paddy rice 42, and avoids damage to the paddy rice 42 that may knock down the paddy rice 42. While the grooving machine 10 is moving, the rotating body 26 is rotating while the apexes of the triangular protrusions 32 are located in the grooves 38, so that the side edges of the grooves 38 are formed by the triangular protrusions 32. After passing through the paddy rice 42 with which the leaf guard 36 abuts, the rotary body 26 returns to the central position again.

6 and 7 are a front view and a side view of a rotating body 50 which is different from the rotating body 26 of FIGS. 1 to 3. The rotating body 50 is attached instead of the rotating body 26 of FIGS. The rotator 50 has a cylindrical roller 52 and a triangular plate 54 fixed to the peripheral portion of the roller 52 at 90 ° intervals in the rotation direction and having its apex located at the center in the left-right direction.

FIG. 8 is a perspective view showing another connection structure of the rotating body 50 to the groove plate 24. The stay 56 is fixed to the inside of the rear end of the grooved plate 24, and the collar 58 is fitted to the vertical portion of the stay 56 so as to be slidable in the axial direction. The connector 28 rotatably supports both ends of the rotating body 50 at the rear end, and is rotatably coupled to the collar 58 about the horizontal horizontal axis via the pin 60 at the front end. One end of the inner portion of the wire 62 is locked. The compression coil spring 64 is fitted to the inner portion of the wire 62 and urges the front end portion of the connector 28 downward, that is, in the direction in which the rotating body 50 is lifted from the ground.

FIG. 9 is a side view of the grooving machine 10 having the connection structure of FIG. The lever 66 is attached to the rear end of the handle 20 and operated by an operator to displace the wire 62. While the groove slicing machine 10 is in progress, when the lever 66 is not operated, the front end of the connector 28 is pushed down by the compression coil spring 64, whereby the rotating body 50 is lifted from the ground. The operator operates the lever 66 and pulls the wire 62 toward the lever 66 while watching the situation. As a result, the front end of the connector 28 is lifted up against the compression coil spring 64, the rotating body 50 descends, the triangular plate 54 bites into the raised portion 40 (Fig. 4), and the kerf is cut into this biting position. 46 (FIG. 4) is formed.

In the groove slicing machine 10 of FIG. 9, when the operator operates the lever 66 for a long time, the rotating body 50 is held in the lowered position for a long time, and as a result, the rotating body 50 is retained in the rotating body 26 of FIG. In the same way as when rolling, the ground 40 rolls, and a plurality of kerfs 46 are formed at predetermined intervals in the extending direction of the groove 38 due to the triangular plate 54 biting in the rotating direction. ..

The groove cutting machine 10 of FIG. 9 is equipped with a rotating body 50 that rolls on the ground in the lowered position, but it is cut by the biting of the triangular plate 54 into the raised portion 40 when the lever 66 is operated. Since the groove 46 is to be formed, only one triangle plate 54 facing downward is left, and both ends of the triangle plate 54 are fixed to the rear end portion of the connector 28, so that the triangle plate 54 can be rotated. It is also possible to stop.

[0021]

[Effect of the device]

 According to the invention of claim 1, the rotary body is advanced while rolling behind the groove plate, the cut groove forming portions of the rotary body are bitten into the raised portions on both sides of the groove, and the raised portions are crossed. Form a kerf. Therefore, the water outside the raised portion can smoothly flow into the groove through the kerf regardless of the presence of the raised portion.

According to the second aspect of the present invention, the operating member is operated to lower the kerf forming portion behind the grooving plate so that the kerf forming portion bites into the ridged portions on both sides of the groove, and the ridged portion is transversely cut. To form a kerf. Therefore, water outside the raised portion can smoothly flow into the groove through the kerf despite the presence of the raised portion.

According to the third aspect of the present invention, the kerf forming portion is displaceable in the left-right direction, and the leaf guard covers the diagonally forward portion of the end of the kerf forming portion while the grooving machine is in progress. Since it comes into contact with the crop diagonally and is displaced to the opposite side in the left-right direction together with the kerf forming part, it is possible to prevent the kerf forming part from coming into contact with the crop, pulling it down, and damaging the crop.

[Brief description of drawings]

FIG. 1 is a side view of a groove cutting machine.

FIG. 2 is a plan view of a groove plate and a rotating body.

FIG. 3 is an enlarged side view of a range including a rotating body.

FIG. 4 is a cross-sectional view showing a state of a groove formed by the groove cutting machine of FIG. 1 in a paddy field.

FIG. 5 is a cross-sectional view of grooving by a conventional grooving machine provided with only a grooving plate without a rotating body.

FIG. 6 is a front view of a rotary body different from the rotary bodies of FIGS. 1 to 3;

FIG. 7 is a side view of a rotating body different from the rotating body shown in FIGS. 1 to 3;

FIG. 8 is a perspective view showing another connection structure of the rotating body to the groove plate.

9 is a side view of a groove cutting machine having the connecting structure of FIG. 8. FIG.

[Explanation of symbols]

 10 Grooving machine 24 Grooving 26 Rotating body 32 Triangular protruding part (cutting groove forming part) 36 Leaf leaf plate 38 Groove 40 Raised part 42 Paddy rice (crop) 46 Cutting groove 50 Rotating body 54 Triangular plate (cutting groove forming part) 66 lever (operation member)

Claims (3)

[Scope of utility model registration request] 1. A grooving machine (10) which advances while immersing a grooving plate (24) in soil to form a groove (38) extending in the direction of travel, wherein the grooving machine (10) advances. Rotating body (26, 50) rolling on the ground behind the grooved plate (24) along with
The rotating body (26, 50) is provided with a cut groove (46) that crosses the raised portions (40) on both sides of the groove (38) by cutting into the raised portion (40) in the rotational direction. A groove cutting machine having a groove forming portion (32, 54). 2. In a grooving machine (10) which advances while forming a groove (38) extending in the direction of travel while submerging the grooving plate (24) in the soil, a vertical movement is made by operating an operating member (66). The raised part that moves
A groove cut (46) that crosses (40) and has a groove forming part (54) formed by biting into the raised portions (40) on both sides of the groove (38) when descending. Machine. 3. The grooving portion (32, 54) is displaceable in the left-right direction, and as the grooving machine (10) advances, the crop (42).
The leaf protector plate (36) that obliquely abuts on the kerf forming portion (32, 54) and is displaced to the opposite side in the left-right direction is the kerf forming portion (32, 54).
54) It covers the diagonally front of 54).
Or the grooving machine described in 2.