JP4761499B2 - Grooving machine - Google Patents

Description

  The present invention relates to a grooving machine that forms a groove for promptly supplying and draining water to a paddy field.

  Conventionally, grooving work has been performed for the purpose of promptly supplying and draining water to the field (paddy field) to improve the growth of crops. A grooving machine that forms a groove by attaching a triangular plate to the rear and pulling the triangular plate to the driving wheel while pressing the triangular plate against the ground has become the mainstream. In addition, a grooving machine in which a plurality of grooving plates are attached to the rear of a four-wheel working machine such as a rice transplanter and the grooves are formed while being pressed against the ground is well known.

  As in Patent Document 1, the grooved plate is shaped into an abacus, and as in Patent Document 2, the weight of the engine is added to the drive wheels to increase the propulsive force, so that even if the paddy soil becomes slightly hard, the groove And a grooving machine that is provided with a grooving portion on the bottom surface of an auxiliary base plate on which an operator can ride, and cuts the grooving by the operator, as in Patent Document 3. is there.

Further, in the grooving device configured to allow the operator to get on either the front or the rear with respect to the traveling direction of the machine body, the center of gravity of the worker who has boarded the grooving device. August 29, 2003 (Patent) A grooving device that places the operator's boarding location so that the distance between the axis of the driving wheel of the drive unit and the outer edge of the grooving portion This patent applicant has filed an application in Reference 4).

Japanese Utility Model Publication No. 64-19654 Japanese Utility Model Publication No. 62-60101 Japanese Utility Model Publication No. 55-8742 Japanese Patent Application No. 2003-306008

  Grooving work on a four-wheel work machine for passengers is easy for the operator, but it is difficult to step on the rice during turning or to join the grooves, or when the work machine enters or leaves the paddy field. There are a lot of problems such as destroying, and it has not yet spread.

  The grooving machine devised so that it can work even if the soil of the paddy field becomes slightly hard like the above-mentioned patent document 1 and patent document 2 of the walking type, the worker is ultimately responsible for the labor of pressing the grooving plate against the ground Therefore, although it is not easy work, in Patent Document 3, although the driver's center of gravity is behind the grooved plate, there is a high possibility that the drive unit will idle and prevent idling. Therefore, it is necessary to increase the weight of the drive unit. An increase in the weight of the grooving machine itself makes the machine difficult to handle, so it is difficult to say that good grooving work can be performed.

Therefore, the present applicant has applied for a riding grooving device (Patent Document 4) that can be used by an operator and is as light as a walking type and can form a deep groove using the weight of the operator. .

However, in wet fields where the ground scattered extremely rarely is extremely weak, when the grooving device of Patent Document 4 proposed by the present patent applicant is used, the driving unit / groove of the grooving machine depends on the weight of the operator. Experiments have revealed that both the cut and the deep part of the wetland are deeply embedded.

Further, in the grooving device of Patent Document 4 filed by the applicant of the present patent application , when the grooving device is carried into the paddy field, for example, when transporting from the road over the fence, the operator always lifts the grooving device. It was necessary to carry it, and it was impossible to drive the grooving device itself and make it self-propelled.

  Therefore, the present invention can form a deep groove by using the weight of the operator by using it at the time of grooving even if it is as light as a conventional walking type grooving machine, and an extremely soft wet field. If it was, the worker can work while grooving while walking, that is, providing a groove machine that can be easily switched between riding and walking depending on the situation of the paddy field, An object of the present invention is to provide a grooving machine capable of performing grooving work on all paddy fields.

In order to achieve the above object, the present invention proposes a grooving machine according to claims 1 to 4 .

In other words, the grooving machine according to claim 1 is provided with a driving part and a grooving part either forward or backward with respect to the traveling direction, and the boarding part on which the operator gets on, the driving part and the grooving part are connected to each other. A groove cutting machine capable of forming a groove using an operator's weight by an operator boarding the boarding portion, wherein the boarding portion includes a seat surface on which the operator sits and an operator on the seat surface. A holding member that integrally holds the vehicle, and the riding part is a horizontal posture in which the seating surface is horizontal above the drive part and the grooved part, and an operator who follows the holding member walking behind the fuselage. Can stand upright in a standing posture that holds the aircraft .

The grooving machine according to claim 2 is provided with a drive part and a grooving part either forward or backward with respect to the traveling direction, and the boarding part on which the operator gets on, the drive part and the grooving part are connected to each other, The boarding part is provided so that the center of gravity of the worker is in the range from the axis of the drive part to the outer end of the grooved part, and the operator gets on the boarding part and uses the weight of the operator to form the groove. A grooving machine that can be formed, wherein the riding part is integrally provided with a seating surface on which an operator sits and a holding member on which the operator holds the machine body, and the riding part includes a driving part The horizontal posture in which the seating surface is horizontal above the groove cut portion and the worker who follows the holding member walking behind the fuselage can rise and fall to the standing posture that holds the fuselage. .

The grooving machine according to claim 3 is provided with a driving part and a grooving part either forward or backward with respect to the traveling direction, and the boarding part, the driving part, and the grooving part on which an operator gets on are connected to each other, A grooving machine capable of forming a groove by using an operator's weight when an operator gets on the boarding section. The boarding section has a seat surface on which the operator sits and the operator holds the fuselage on the seat surface. And the riding part provided with the holding member maintains the horizontal posture of the seat part with a part of the frame in which the driving part, the grooved part and the riding part are connected to each other as a fulcrum. However, an operator who walks and follows the holding member behind the aircraft can rotate to a position where the aircraft is held.

The grooving machine according to claim 4 is provided with a driving part and a grooving part either forward or backward with respect to the traveling direction, and the boarding part on which the operator gets on, the driving part and the grooving part are connected to each other, A grooving machine capable of forming a groove by using an operator's weight when an operator gets on the boarding section. The boarding section has a seat surface on which the operator sits and the operator holds the fuselage on the seat surface. The boarding part provided with the holding member is integrated with the driving part, the groove cutting part, and the boarding part connected to each other from the frame where the driving part, the grooved part and the boarding part are connected to each other. It is characterized by being possible.

  ADVANTAGE OF THE INVENTION According to this invention, even if it is a paddy field where the soil is hard, or a paddy field where the soil is hardened by drying, a deep groove can be easily formed using the weight of the operator, and the riding work machine can be used in an extremely soft wet field. Can not be used, paddy fields where the soil is very soft and can easily cut deep grooves, or when deep grooves are not required, grooving work suitable for the situation can be done by using a grooving machine for walking . That is, since one grooving machine can be easily switched between riding and walking, grooving work can be easily performed even in paddy fields with different conditions.

  Further, a holding member (grip) for an operator to use the grooving machine for riding and a worker to hold the grooving machine, and an operator to use the grooving machine for walking hold the grooving machine. Since the same holding member (grip) is used, it can be constructed without increasing the weight of the grooving machine itself.

FIG. 1 is a front view showing a riding work state of a grooving machine according to an embodiment of the present invention, FIG. 2 is a plan view showing the center of gravity of the worker in the implementation of FIG. 1, and FIG. sectional view showing the details of the details and Mizosetsu unit, FIG 4 is a first front view of a trench wall cutter showing an embodiment of the present invention, a front view showing a first working embodiment of Figure 5 present invention, FIG. 6 this is a plan view showing a second embodiment of the present invention, FIG. 7 is a front view showing a second embodiment of the present invention, FIG 8 is a plan view showing a third embodiment of the present invention, FIG. 9 It is a front view which shows the 3rd work implementation of invention.

  In the grooving machine 1, the driving part 2, the grooving part 3, and the riding part 4 are connected by a frame 5, the connecting frame 6 that connects the driving part 2 and the grooving part 3, the connecting frame 6 and the riding part 4. The connecting frames 7 are connected to each other.

  The driving part 2 is forward in the traveling direction, the groove part 3 is rearward, and the riding part 4 is above the driving part 2 and the groove part 3, and the center of gravity of the operator 8 is grooved from the axis 9 of the driving part 2. It is provided so as to be within the range of the outer end of the portion 3 (FIG. 2).

  The drive unit 2 reaches the gear box 13 with the power from the engine 11 via the power transmission shaft 12 and drives the wheels 14. In addition, 15 is a slip stopper and is installed in the wheel 14 at equal intervals. In some cases, a protective plate 16 surrounding both sides of the front of the wheel 14 may be provided in order to prevent the wheels 14 from stepping on and taking in rice leaves and stems.

  One end of the connecting frame 6 is connected to the gear box 13, and the groove 3 is connected to the other end. As shown in FIGS. 2 and 3, the grooving portion 3 includes an inclined plate 17 and a bottom plate 18, and the bottom plate 18 prevents the grooving portion 3 from sinking from the cultivator 19. The cross section of the groove to be formed is a V-shaped groove with a bottom.

  The connecting frame 7 connected to the riding part 4 is connected to a connecting frame 6 between the driving part 2 and the grooved part 3. The riding section 4 is provided with a seating surface 20 on which the worker 8 sits and a holding member 21 for the worker 8 to hold the grooving machine 1 in front of the seating surface 20 in the traveling direction. The holding member 21 is provided at a position where it can be gripped in a natural posture when the operator 8 sits on the seat surface 20 in the traveling direction, and a grip 22 is provided in a range of a substantially shoulder width. The holding member 21 or the grip 22 is equipped with a rotation adjusting device 24 that adjusts the rotation of the engine. By this rotation adjusting device 24, power transmission to the wheels 14 of the drive unit 2 is interrupted and the rotation speed is adjusted. It can be done.

  In FIG. 3, reference numeral 28 denotes a rice plant, and in the groove cutting machine 1, the wheel 14 advances between the rice plants 28 and 28 so that the tip of the groove cutting portion 3 passes through the ridge of the wheel 14. It has become.

The operator 8 grasps both ends of the holding member 21 (grip 22) of the riding section 4 with his / her hand, and straddles the seating surface 20 to apply the entire weight. Thereafter, the rotation adjusting device 24 mounted on the holding member 21 is operated to increase the rotational speed of the engine 11 and rotate the wheel 14 to move the grooving machine 1 in the traveling direction. Simultaneously with the rotation of the wheel of the grooving machine 1 , the grooving part 3 penetrates deeply into the soil of the paddy field to form a V-shaped groove with a bottom as shown in detail in section AA in FIG. The wheel 14 and the grooving part 3 of the grooving machine 1 are deeply buried in the ground by the weight of the operator 8, and the wheel 14 and the anti-slip 15 equipped on the wheel 14 reach the tiller 19, and the grooving machine does not run idle. And a deep groove is formed until the bottom plate 18 of the grooving part 3 reaches the tiller 19.

  When the wheel 8 is likely to run idle, the worker 8 moves the center of gravity of the worker 8 forward in the traveling direction of the riding section 4 to increase the weight applied to the wheel 14, and the depth of the formed groove is insufficient. The operator 8 moves the center of gravity of the worker 8 to the rear of the riding section 4 to increase the weight applied to the grooving section 3, so that the worker 8 can adjust the seating surface 20 of the riding section 4 according to the soil condition of the field. Move your sitting position. As a result of the experiment, the front / rear weight distribution of the worker 8 applied to the driving unit 2 (front) and the groove cutting unit 3 (rear) was the best in the range of 80:20 to 40:60.

  In addition, since the tip of the grooving machine 3 travels separately from the wheel 14, the straightness is improved, and at the same time, the grooving operation can be performed without leaving the traveling trace of the wheel 14.

4 and 5 illustrate the grooving machine according to the first embodiment of the present invention. The riding part 4 and the connecting frame 7 are connected by a fulcrum 23, and the riding part 4 can be tilted from the horizontal posture to the vertical posture and further backward from the front to the rear with respect to the traveling direction. That is, the riding section 4 is lifted from the front to the rear in the vertical posture direction around the fulcrum 23, and is rotated so that the seat surface 20 is directed downward from above. The operator 8 stands substantially rearward in the direction of travel of the grooving machine 1 and can rotate the grip 22 to a position where the operator 8 can naturally hold it as shown in FIG.

When the holding member 21 (the grip 22) is located forward with respect to the traveling direction of the trench wall cutter 1, the operator 8 is attempting to groove switching operations to multiply tower in trench wall cutter 1, the riding section 4 fulcrum In this case, the connecting frame 7 and the riding section 4 are adjacently fixed by a vertical lock mechanism. The vertical lock mechanism can be easily released, and the riding part 4 is rotated from the front to the rear with respect to the traveling direction around the fulcrum 23, that is, at any place or in the middle of the rotation from the horizontal posture to the vertical direction. The rotation of the fulcrum 23 can be fixed by the vertical lock mechanism at a position where the grip 8 easily holds the grip 22 (not shown).

  The operator 8 confirms that the holding member 21 of the riding section 4 of the grooving machine 1 is disposed in front of the fuselage and that the riding section 4 does not rotate in the vertical posture direction by the fulcrum 23 by the vertical lock mechanism. The both ends of the holding member 21 (grip 22) of the riding section 4 are grasped by hand, and the entire weight is applied across the seating surface 20. Thereafter, the rotation adjusting device 24 mounted on the holding member 21 is operated to increase the rotational speed of the engine 11 and rotate the wheel 14 to move the grooving machine 1 in the traveling direction. The grooving machine 1 proceeds with the rotation of the wheel 14, and at the same time, the grooving part 3 enters deeply into the soil of the paddy field to form a V-shaped groove with a bottom as shown in detail in section AA in FIG. The wheel 14 and the grooving part 3 of the grooving machine 1 are deeply buried in the ground by the weight of the operator 8, and the wheel 14 and the anti-slip 15 equipped on the wheel 14 reach the tiller 19, and the grooving machine does not run idle. And a deep groove is formed until the bottom plate 18 of the grooving part 3 reaches the tiller 19.

However, strong paddy called Shitsuden, or even within the same paddy fields, the weight of the operator 8 in nonexistent paddy when plowing machine 19 is deep or Koban 19 Very soft to the wheels 14 and Mizosetsu 3 By adding, the grooving machine 1 itself may be buried deeply in the soil of the paddy field, making it difficult to run or leave. In such a case, the operator 8 descends from the seating surface 20 of the riding section 4 of the grooving machine 1, releases the vertical lock mechanism that fixes the connecting frame 7 and the riding section 4 adjacent to each other, and moves the fulcrum 23. The holding member 21 of the riding section 4 is lifted in the vertical posture direction around the center, and the holding member 21 is rotated rearward of the airframe. Then, the holding member 21 (grip 22) is positioned where the operator 8 can easily hold the grooving machine 1, the vertical lock mechanism is operated to stop the rotation of the fulcrum 23, and the connection frame 7 and the riding section 4 are fixed. Thus, the operator 8 can hold the grooving machine 1 .

Operator 8 grooves located in the rear with respect to the traveling direction than the total length of the switching device 1, the holding member 21 in the rotation adjusting device 24 the adjusted trench wall cutter in the traveling direction by rotating the wheels 14 of Mizosetsu machine 1 provided 1 The worker 8 follows the grooving machine 1 and walks. In this case, the weight applied to the wheel 14 and Mizosetsu portion 4 is only the weight of the machine body, a vehicle can travel and Mizosetsu work even soft ground, if necessary, the worker 8 It is also possible to push the holding member 21 in the traveling direction itself and to apply auxiliary power to the grooving machine 1.

6 and 7 illustrate a grooving machine according to a second embodiment of the present invention. The riding part 4 and the connecting frame 7 are connected by a left and right rotating shaft 25, and the riding part 4 is rotatable about a fulcrum 26 while maintaining a horizontal posture from the front to the rear in the traveling direction in a planar horizontal direction. . Since the riding section 4 rotates horizontally from the front to the back around the fulcrum 26, the riding section 4 maintains a horizontal posture, and the seating surface 20 always faces upward (FIG. 6). In FIG. 7, the left and right rotation shaft 25 is joined to the connection frame 7 at an angle of approximately 90 degrees with respect to the ground. Therefore, the height of the holding member 21 (grip 22) from the ground is that the holding member 21 is in the traveling direction. Although it is the same height when facing either the front or the rear, if the left and right rotation shaft 25 joined to the connecting frame 7 is joined to the ground at an angle in the front and rear range of slightly more than 90 degrees, the holding member 21 because the height of the case towards the front and rear is changed, a height easy to hold when the operator 8 has riding the grip 22 of the holding member 21 for holding the airframe, the groove switching while walking naturally Each can be set to a height that is easy to work with. The attachment of the left and right rotary shaft 25 and the connecting frame 7, (not shown) good and has to be able to adjust the slight angle.

When the operator 8 rides and uses the grooving machine 1 in which the holding member 21 (grip 22) is positioned in front of the main body of the grooving machine 1, that is, the riding section 4 is not rotated at all around the fulcrum 26. The rotation is prevented by a left-right lock mechanism that fixes the rotation of the left-right rotation shaft 25 that rotates the riding section 4 with respect to the connecting frame 7 (not shown). The left / right lock mechanism can be easily released, and the left / right rotation shaft 25 can be fixed to any position by the left / right lock mechanism in the middle of the horizontal rotation from the front to the rear centering on the fulcrum 26. Yes.

The operator 8 confirms that the holding member 21 of the riding part 4 of the grooving machine 1 is arranged in front of the airframe and that the riding part 4 does not rotate horizontally by the fulcrum 23 by the left and right locking mechanism. The both ends of the grip 22 of the holding member 21 of the part 4 are gripped, and the entire weight is applied across the seating surface 20. Thereafter, the rotation adjusting device 24 mounted on the holding member 21 is operated to increase the rotational speed of the engine 11 and rotate the wheel 14 to move the grooving machine 1 in the traveling direction. At the same time trench wall cutter 1 proceeds in the rotation of the wheel 14, a groove cut portion 3 to form a groove of a V-type with the bottom surface as detailed deeply penetrate Figure 3 cross-section A-A in soil paddy. The wheel 14 and the grooving part 3 of the grooving machine 1 are deeply buried in the ground by the weight of the operator 8, and the wheel 14 and the anti-slip 15 equipped on the wheel 14 reach the tiller 19, and the grooving machine does not run idle. 1 is led in the direction of travel, and a deep groove is formed until the bottom plate 18 of the grooving part 3 reaches the tiller 19.

As in Example 1, paddy called strong Shitsuden, or even within the same paddy, wheel 14 and the weight of the operator 8 in very paddy when plowing machine 19 is deep or the Koban 19 is not present in soft By adding to the grooving section 3, the grooving machine 1 itself may be buried deeply in the soil of the paddy field, making it difficult to run or leave. Therefore, the worker 8 gets off the seating surface 20 of the riding section 4 of the grooving machine 1, releases the left and right lock mechanism that fixes the horizontal rotation of the connecting frame 7 and the riding section 4, and boardes around the fulcrum 26. The holding member 21 of the part 4 is held, and the holding member 21 is rotated in the horizontal direction while maintaining the horizontal posture rearward of the machine body. Then, the holding member 21 (grip 22) is positioned at a place where the worker 8 can easily hold the grooving machine 1, the left and right lock mechanism is operated to fix the rotation of the left and right rotating shaft 25, and the worker 8 fixes the grooving machine 1. Can be held. When the worker 8 intends to perform the grooving operation while following and walking using the second embodiment, the state in which the riding section 4 is horizontally rotated 180 degrees is easy to work.

Operator 8 grooves located in the rear with respect to the traveling direction than the total length of the switching device 1, the holding member 21 in the rotation adjusting device 24 the adjusted trench wall cutter in the traveling direction by rotating the wheels 14 of Mizosetsu machine 1 provided 1 Move. In this case, since only the weight of the machine body is applied to the wheel 14 and Mizosetsu section 4, even soft ground a vehicle can travel and Mizosetsu operations, if necessary, the worker 8 itself It is also possible to apply auxiliary power to the grooving machine 1 by pushing the holding member 21 in the traveling direction.

8 and 9 illustrate a grooving machine according to a third embodiment of the present invention. The riding part 4 and the connecting frame 7 are connected by a connecting pin 27. By removing the connecting pin 27, the connecting frame 7 and the riding part 4 can be easily separated, and the holding member 21 of the riding part 4 can be moved in the direction of travel and its direction. The connecting pin 27 can be reversed and fixed again while maintaining a horizontal posture in the symmetric direction.

  Although FIG. 8 uses two connection pins 27 to connect the connection frame 7 and the riding section 4, the connection pins 27 may be used alone.

The operator 8 confirms that the holding member 21 of the riding part 4 of the grooving machine 1 is arranged in front of the airframe and that the riding part 4 is fixed to the connecting frame 7 with the connecting pin 27, The both ends of the holding member 21 (grip 22) of the part 4 are grasped by hand, and the entire weight is applied across the seating surface 20. Thereafter, the rotation adjusting device 24 mounted on the holding member 21 is operated to increase the rotational speed of the engine 11 and rotate the wheel 14 to move the grooving machine 1 in the traveling direction. Simultaneously with the rotation of the wheel 14 of the grooving machine 1 , the grooving part 3 enters deeply into the soil of the paddy field to form a V-shaped groove with a bottom as shown in detail in section AA in FIG. The wheel 14 and the grooving part 3 of the grooving machine 1 are deeply buried in the ground by the weight of the operator 8, and the wheel 14 and the anti-slip 15 equipped on the wheel 14 reach the tiller 19, and the grooving machine does not run idle. 1 is led in the direction of travel, and a deep groove is formed until the bottom plate 18 of the grooving part 3 reaches the tiller 19.

  As in Example 1 and Example 2, in a paddy field called a strong wet field, or in a paddy field that is very soft and has a deep cultivator 19 in the same paddy field or where the cultivator 19 is not present, By adding weight to the wheel 14 and the grooving part 3, the grooving machine 1 itself may be deeply buried in the soil of the paddy field, making it difficult to run or detach. Therefore, the worker 8 gets down from the seating surface 20 of the riding part 4 of the grooving machine 1, removes the connecting pin 27 that connects the connecting frame 7 and the riding part 4, and separates the riding part 4 from the connecting frame 7. Then, the riding part 4 in which the holding member 21 is positioned forward in the traveling direction is reversed in the symmetrical direction, the holding member 21 is positioned rearward, and the connecting frame 27 and the riding part 4 are connected again by the connecting pin 27.

Operator 8 grooves located in the rear with respect to the traveling direction than the total length of the switching device 1, the holding member 21 in the rotation adjusting device 24 the adjusted trench wall cutter in the traveling direction by rotating the wheels 14 of Mizosetsu machine 1 provided 1 Move. In this case, since the weight applied to the wheel 14 and the grooving part 4 is only the weight of the grooving machine 1 , traveling and grooving work is possible even on soft ground, and if necessary, work It is also possible for the person 8 itself to push the holding member 21 in the traveling direction and apply auxiliary power to the grooving machine 1.

  Conventionally, it is well known that grooving work in paddy fields can be carried out systematically for irrigation and flooding of paddy fields, so that a strong, high-yielding rice plant that promotes the growth of rice roots and does not fall over is known. However, the grooving work itself is a heavy labor and is difficult to incorporate in the current farming method, which pursues low cost and low labor.

  Accordingly, the present invention provides a grooving device that is lightweight and can be easily moved by human power even if it is a riding type, and can easily form a deep groove by utilizing the weight of the operator, and can also be used in a paddy field called a strong wet field. Since the grooving machine of the type can be used for walking, all rice fields can produce rice with remarkable root growth.

  Good-rooted rice is a healthy rice that is strong against cold and pests, and will dramatically improve the possibility of becoming a high-quality rice, so reduce the distribution of poor quality rice as much as possible. At the same time, we believe that it has the role of improving the basic physical strength of Japanese agriculture by promoting the improvement of the taste and quality of rice as a staple food and the expansion of consumption.

It is a front view which shows the riding work state of the grooving machine concerning embodiment of this invention. It is a top view which shows the gravity center of the operator in implementation of FIG. It is a figure which shows the plane details of operation implementation of FIG. It is a front view of a trench wall cutter showing a first embodiment of the present invention. It is a front view which shows the 1st work implementation of this invention. It is a top view which shows the 2nd Example of this invention. It is a front view which shows the 2nd Example of this invention. It is a top view which shows the 3rd Example of this invention. It is a front view which shows the 3rd work implementation of this invention.

DESCRIPTION OF SYMBOLS 1 Grooving machine 2 Drive part 3 Groove part 4 Boarding part 5 Frame 6 Connection frame 7 Connection frame 8 Worker 9 Axle 11 Engine 12 Power transmission shaft 13 Gear box 14 Wheel 15 Anti-slip 16 Protection plate 17 Inclination plate 18 Bottom plate 19 Tillage 20 Seat 21 Holding member 22 Grip 23 Support point 24 Rotation adjustment device 25 Left and right rotation shaft 26 Support point 27 Connecting pin 28 Rice plant

Claims (4)

A driving part and a grooved part are provided either forward or rearward with respect to the traveling direction, the boarding part on which the operator gets on, the driving part and the grooved part are connected to each other, and the operator gets on the boarding part to work A grooving machine capable of forming a groove using the weight of the person,
The boarding unit is integrally provided with a seating surface on which an operator sits and a holding member on which the operator holds the fuselage ,
The boarding portion can be tilted to a horizontal posture in which the seating surface is horizontal above the drive portion and the groove cutting portion, and to an upright posture in which an operator who follows the holding member walking behind the aircraft holds the aircraft. Grooving machine characterized by that. A driving part and a grooved part are provided either forward or rearward with respect to the traveling direction, and the boarding part on which the operator rides, the driving part, and the grooved part are connected to each other, and the center of gravity of the worker is the driving part. A groove cutting machine that is provided to be in a range from the axial center of the groove cutting portion to the outer end of the groove cutting portion, and an operator can form a groove using the weight of the worker riding on the riding portion,
The boarding unit is integrally provided with a seating surface on which an operator sits and a holding member on which the operator holds the fuselage ,
The boarding portion can be tilted to a horizontal posture in which the seating surface is horizontal above the drive portion and the groove cutting portion, and to an upright posture in which an operator who follows the holding member walking behind the aircraft holds the aircraft. Grooving machine characterized by that. A driving part and a grooved part are provided either forward or rearward with respect to the traveling direction, the boarding part on which the operator gets on, the driving part and the grooved part are connected to each other, and the operator gets on the boarding part to work A grooving machine capable of forming a groove using the weight of the person,
The boarding unit is integrally provided with a seating surface on which an operator sits and a holding member on which the operator holds the fuselage,
The riding section provided with the holding member walks and follows the holding member to the rear of the fuselage while maintaining the horizontal posture of the seat, with a part of the frame in which the driving section, the grooved section and the riding section are connected to each other as a fulcrum. A grooving machine characterized in that an operator can rotate to a position to hold the fuselage. A driving part and a grooved part are provided either forward or rearward with respect to the traveling direction, the boarding part on which the operator gets on, the driving part and the grooved part are connected to each other, and the operator gets on the boarding part to work A grooving machine capable of forming a groove using the weight of the person,
The boarding unit is integrally provided with a seating surface on which an operator sits and a holding member on which the operator holds the fuselage,
The boarding portion provided with the holding member can be attached to and detached from the frame in which the driving unit, the groove cutting unit, and the boarding unit are connected to each other by being reversed in the front-rear direction with respect to the traveling direction of the machine body. .

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