JP4740829B2 - Grooving plate and wheel to which the grooving plate is attached - Google Patents

Description

  The present invention includes a grooved plate suitable for forming a groove for draining water quickly and smoothly in a field such as a paddy field, a wheel to which the grooved plate is attached, and a wheel with the grooved plate. The present invention relates to a riding machine.

  Conventionally, grooving work mainly for paddy fields is, for example, a grooving plate as an attachment at the rear of a vehicle body of a riding four-wheel work machine such as a rice transplanter or a control machine (control machine), as can be seen in, for example, Patent Document 1 below. (Grooving device) is attached so that it can be moved up and down, and is run by running the grooved plate in a grounded state.

JP-A-6-237603

  However, as described above, when a grooving work is performed by attaching a grooving plate to the rear part of a vehicle body of a riding four-wheel work machine, it is necessary to adjust the grounding depth and the grounding angle of the grooving plate, and the grooving plate It is necessary to always pay close attention so that crops such as paddy rice are not damaged by this, and the grooves are not cut off by mistake. In addition, due to its structure, there is also a problem that the grooving operation cannot be performed during turning. In other words, conventionally, when turning, it is necessary to repeat the troublesome operation of lifting the grooved plate once upward and then moving the grooved plate downward after turning to turn straight. There is also a problem that continuous grooves cannot be formed.

  The present invention has been made in view of the above circumstances, and the purpose thereof is that adjustment of the contact depth, contact angle, etc. can be made unnecessary, and no special attention is required at the time of grooving work, only traveling operation. In addition, a groove cutting plate capable of performing a groove cutting operation even at the time of turning so that a continuous groove can be formed at the time of straight traveling → turning → straight traveling, and the groove cutting plate is attached. It is providing the riding work machine provided with the wheel and the wheel with this grooved board.

  In order to achieve the above object, the grooving plate according to the present invention is basically attached to the side surface of the wheel with a lug, and the inner peripheral side of each side surface of the annular grounding portion provided with the lug. A groove having a function of enlarging and arranging a pair of grooves formed by the wheels, which is formed in a conical shape, a bowl shape, a bowl shape, a bottomed cylindrical shape, or the like that covers and projects laterally from the lug It is characterized by having an enlarged shaping part.

  In a preferred embodiment, the groove expanding and shaping portion is formed in a funnel shape or a truncated cone shape, a short cylindrical portion protrudes laterally at the small diameter side opening edge of the groove expanding and shaping portion, and the small diameter A hook-shaped portion is provided on the inner peripheral side of the side opening edge.

  In another preferred embodiment, a synthetic resin material is used as a raw material in order to prevent adhesion of mud.

  Moreover, the wheel with a lug which concerns on this invention is attached with the grooved board which has the said groove expansion shaping part.

  Moreover, the riding work machine which concerns on this invention is equipped with the wheel with a lug to which the grooved board which has the said groove expansion shaping part was attached.

  In a riding work machine having a wheel with a lug to which a grooved plate having a groove expansion shaping part having the configuration of the present invention is attached, the traveling plate is not obstructed during the paddy field traveling, and the grooved plate ( The groove expanding and shaping section) pushes and widens the traveling groove and strokes the groove side surface so that the traveling groove is not blocked by the mud lifted by the lug.

  Therefore, it is not necessary to adjust the contact depth and contact angle when performing grooving work, and the groove does not break due to erroneous operation. In addition, since the grooving operation can be performed even when turning, it is possible to form straight and continuous grooves that are impossible with conventional grooving devices attached to the rear of the vehicle body. Can do.

  Further, as compared with a conventional grooving device attached to the rear part of the vehicle body, the structure is simple and the attachment and detachment is easy. Further, since an elevating mechanism or the like is unnecessary, it is advantageous in terms of cost.

Hereinafter, embodiments of the grooved plate of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an example of a riding work machine (ride management machine) provided with wheels with lugs to which an embodiment of a grooving plate according to the present invention is attached.

  The passenger management machine 1 in the illustrated example has a power unit 3 including an engine, a transmission, and the like mounted on the front side of a vehicle body 2, and front wheels (wheels with lugs) 20 and 20 disposed below the power unit 3. A driving control unit 8 and a driver's seat 9 are provided, a chemical tank 4 is mounted on the rear side of the vehicle body 2, and rear wheels (wheels with lugs) 30 and 30 are disposed below the chemical tank 4.

  Booms 5, 6, 6 are disposed on the front end portion and front left and right side portions of the vehicle body 2, and spray nozzles 5 a, 6 a are attached to the booms 5, 6, 6 at appropriate intervals. The left and right side booms 6 and 6 are folded to the side of the vehicle body 2 as shown in the figure when not working, and can be unfolded and arranged in series on the left and right of the central boom 5 when spraying. It has become.

  The front wheel 20 and the rear wheel 30 (see FIG. 2B) have basically the same structure, and are made of rubber in which lugs 22 and 32 protrude from the outer peripheral side with a predetermined angular interval in the left-right direction. It has annular grounding portions (tire portions) 21 and 31, an annular rim 15, a plurality of spokes 14, and a hub 13, and is rotatably supported on axles (cases) 11 and 12, respectively.

  And in the riding management machine 1 of this example, the groove plate 40 of one Embodiment of this invention is attached to the both sides | surfaces of one (left wheel) of the rear wheels 30 and 30. FIG.

  As shown in FIG. 2, the grooving plate 40 of the present embodiment is made of a synthetic resin material as a raw material and is generally made into a bowl shape as a whole, and a plurality of bolts 46 are attached to the rim 15. A pair of funnels or truncated cones that are attached and cover the inner peripheral sides of both side surfaces of the annular grounding portion 31 provided with the lugs 32 and project laterally from the lugs 32. A groove expanding and shaping part 42 is provided.

  And the short cylindrical part 43 protrudes toward the small diameter side (outside) opening edge part of this groove | channel expansion shaping part 42 toward the side, and is a hook shape on the inner peripheral side of the said small diameter side opening edge part. A portion 44 is provided, and a circular opening 45 (for axle passage) is formed in the central portion.

  In the riding management machine 1 provided with the wheel 30 with the lug 32 to which the groove cutting plate 40 having the groove expansion shaping portion 42 having such a configuration is attached, as shown in FIG. The lower part of the wheel 30 sinks into the (mud D), and at this time, the mud mud in which the groove cutting plate 40 (the groove enlarged shaping part 42) is lifted by the lug 32 without hindering the driving force of the lug. In order to prevent the travel groove from being blocked, the travel groove M is expanded and the side surface of the enlarged groove M is stroked.

  Therefore, it is not necessary to adjust the contact depth and contact angle when performing grooving work, and the groove does not break due to erroneous operation. In addition, since the grooving operation can be performed even when turning, a straight groove M that is continuous when the grooving device attached to the rear part of the vehicle body is not possible is formed at the time of straight traveling → turning → straight traveling. be able to.

  Further, as compared with a conventional grooving device attached to the rear part of the vehicle body, the structure is simple and the attachment and detachment is easy. Further, since an elevating mechanism or the like is unnecessary, it is advantageous in terms of cost.

  As the structure of the grooved plate, in addition to the above-described funnel-shaped or truncated-cone-shaped groove enlarged shaping portion 42, as shown in FIGS. 3 (A) and 3 (B), an opening 55 and Examples thereof include a grooved shaping part 52 (grooved plate 50) having a bottomed short cylindrical shape having a bowl-shaped part (bottom part) 54.

The perspective view which shows an example of the riding work machine (ride management machine) provided with the wheel with a lug (rear left wheel) to which one Embodiment of the grooved board which concerns on this invention was attached. The wheel with a lug to which the grooving board shown by FIG. 1 was attached is shown, (A) is an expansion perspective view, (B) is an expanded sectional view. The wheel with a lug (rear left wheel) with which the other example of the grooved board which concerns on this invention was attached is shown, (A) is an expansion perspective view, (B) is an expanded sectional view.

Explanation of symbols

1 Passenger Management Machine 2 Body 20 Front Wheel 30 Rear Wheel (Rug Wheel)
31 annular grounding part 32 lug 40 groove cutting plate 42 groove expansion shaping part 43 short cylindrical part 44 bowl-like part

Claims (5)

A slotted plate (40) attached to the side of a wheel (30) with a lug (32),
Conical, bowl-shaped, bowl-shaped, or A grooved plate comprising a pair of groove expansion and shaping sections (42) having a function of expanding and adjusting a pair of grooves (M) formed by the wheels formed in a bottom cylindrical shape or the like.   The groove enlarging and shaping part (42) has a funnel shape or a truncated cone shape, and a short cylindrical part (43) protrudes laterally at the small diameter side opening edge of the groove enlarging and shaping part (42). The grooving plate according to claim 1, wherein a flange portion (44) is provided on an inner peripheral side of the small diameter side opening edge portion.   The grooved plate according to claim 1 or 2, wherein a synthetic resin material is used as a material.   A wheel with a lug to which the grooved plate (40) according to any one of claims 1 to 3 is attached.   The riding work machine provided with the wheel (30) with a lug to which the grooving board (40) in any one of Claim 1 to 3 was attached.

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