JP5105989B2 - Riding grooving machine - Google Patents

Description

  The present invention relates to a riding grooving machine, and more particularly, to a riding grooving machine suitable for forming a groove for quickly and smoothly performing water supply and drainage in a field such as a paddy field.

  In this type of riding grooving machine, the body weight is about 30 kg while the weight of the worker is 50 to 80 kg. Therefore, the weight applied to the soil of the plow portion depending on the straddle position and weight of the worker Changes greatly, and the depth and shape of the groove to be formed vary greatly accordingly.

Therefore, conventionally, for example, as seen in Patent Document 1 below, a drive wheel is provided at the front of the machine frame, a plow is provided at the rear of the machine frame, and a fixing plate is provided at the center of the machine frame. A seat on which an operator straddles, a handle is provided at the front of the seat, and an engine for driving the wheel is disposed between the fuselage frame and the plow, In order to form a groove having an appropriate depth and shape by utilizing the weight of the worker, the seating seat is lengthened in the front-rear direction, and the worker's straddling position can be moved in the front-rear direction. .
JP 2005-73540 A

  However, in the conventional riding grooving machine as described above, since the weight applied to the soil of the plow portion is changed by changing the straddling position of the operator, maneuverability, workability, etc. are improved. In addition to this, there was a problem that it was difficult to form a groove having an appropriate depth and shape because the weight applied to the soil in the plow portion was not stabilized.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to stably form a groove having an appropriate depth and shape without deteriorating maneuverability, workability, and the like. It is to provide a riding grooving machine.

In order to achieve the above object, a riding grooving machine according to the present invention basically includes a driving wheel, a driving drive system including an engine, an operation handle, and a seat on which an operator rides on a body frame. And a plow for grooving are connected to the body frame, and the operation handle, the seat, the engine, and the plow are sequentially arranged from the front to the rear .

And, the seating seat is arranged so that an operator straddles on a vertical line passing through the rotation axis of the drive wheel , regardless of the weight of the worker straddling the seating seat, at the time of grooving work, The body frame, the drive wheel, a travel drive system including the engine, the operation handle, the seating seat, so that the weight applied to the soil of the plow portion is always a substantially constant value within a range of 12 to 20 kg. And the deployment position of the plow is set.

  In another preferred aspect, the plow is connected to the rear lower side of the body frame via a connecting member, and the connecting position of the plow in the front-rear direction with respect to the connecting member can be changed.

In a specific embodiment of the ride-trench wall cutter according to the present invention, the lower side of a rear portion of the previous SL body frame, together with the plow through the outline frame-shaped connecting member having a plurality edges are connected, said connecting member Is characterized in that one side can be used as a turning handle.

In another specific embodiment of the ride-trench wall cutter according to the present invention, on one side of the previous SL body frame, the support shaft portion, the vertical side portion, and schematic L-or U-shaped having a grounding edge portion In order to use the grounding side part as a turning handle, the stand is swung backward with the support shaft part as a fulcrum in order to use the grounding side part as a turning handle. A locking portion is provided so as to be locked with the plow.

  In the riding grooving machine according to the present invention configured as described above, for example, a seating seat is provided so that an operator straddles on a vertical line passing through the rotation axis of the drive wheel, and the seating seat is straddled. Regardless of the weight of the worker, the weight applied to the soil of the plow portion is always optimized during the grooving operation.

  Here, since the optimum value of the weight applied to the soil of the plow portion was found to be around 15 kg (12 to 20 kg) by experiments by the inventors of the present application, the worker is on board or is not on board Regardless of whether or not (when empty), the driving wheel, the driving drive system including the engine, the steering wheel for operation, the seating seat, and the deployment position of the plow, etc. are set so that the weight applied to the soil of the plow part is 15 kg. To do.

  By doing so, the weight applied to the soil of the plow part is always the optimum value without using the operator's body weight as in the conventional example, so that the maneuverability, workability, etc. are not reduced. Therefore, it is possible to stably form a groove having an appropriate depth and shape.

  Embodiments of a riding grooving machine of the present invention will be described below with reference to the drawings.

  FIG. 1 is a left side view showing an embodiment of a riding grooving machine according to the present invention, and FIG. 2 is a plan view of the riding grooving machine shown in FIG.

  The riding grooving machine 10 in the illustrated example includes a front frame 21 composed of two parallel sides and a body frame 20 composed of a rectangular rear frame 22 and the like, and the front frame 22 is sequentially sequentially from the front to the rear. The driving wheel 12, the operation handle 40, the front handle 32, and the seat 30 on which the operator rides are provided. An engine 15 is mounted on the rear frame 22, and an L-shaped vertical mounting plate 25, a trapezoidal frame-shaped connecting member 55, and a rear-view reverse T are disposed below the rear portion of the rear frame 22. The plow 50 is connected via a letter-shaped mounting member 52.

  Further, a traveling drive unit 18 such as a speed reducer is provided on the right side of the body frame 20, and the front frame 22 is entrained so as to cover the upper half of the front side of the drive wheel 12 on the front and left and right lower sides. A prevention plate 19 or the like is provided. A stand 48 is provided on the left side of the body frame 20.

  Here, since the optimum value of the weight applied to the soil of the plow 50 portion was found to be around 15 kg (12 to 20 kg) by experiments by the inventors of the present application, based on this, the riding groove cutting of the present embodiment was performed. In the machine 10, regardless of the weight of the worker P straddling the seating seat 30, the machine body frame 20, so that the weight applied to the soil of the plow 50 portion is always around 15Kg of the optimum value during the grooving work. Positions such as the drive wheels 12, the engine 15, the travel drive unit 18, the operation handle 40, the seating seat 30, and the plow 50 are set.

  More specifically, the weight applied to the soil of the plow 50 portion is always around the optimum value of 15 kg regardless of whether the operator is on board or not (when empty). The deployment position of the engine 15 or the like is set, and the deployment position of the seating seat 30 is set so that the worker P rides on the vertical line Ca passing through the rotation axis O of the drive wheel 12. . In more detail, the seating seat 30 is provided at a substantially central portion of a base member 31 that is horizontally mounted on the four vertical sides 24 of the front frame 21 in the front, rear, left, and right directions. An operation handle 40 and a front handle 32 are provided at the front portion of the base member 31, and a rear handle 34 is provided at the rear portion of the engine 15. Also, it serves both for adjusting the throttle opening of the engine 15 and for connecting / disconnecting power from the engine 15 to the drive wheel 12 so as to be close to the vertical column portion 41 and the horizontal handle portion 42 of the operation handle 40, An operation lever 45 having a finger operation unit 46 is swingably provided.

  Further, the connection position of the plow 50 in the front-rear direction with respect to the connection member 55 can be changed in three stages so that the weight applied to the soil of the plow 50 portion can be finely adjusted (adjusted according to the soil quality and hardness of the field) It is said that. Specifically, five through holes 56 (a nut member 58 is fixed to the right surface side) are formed at equal intervals on the bottom side of the connecting member 55, and the fixing is fixed to the upper surface of the plow 50. Through holes are provided near both ends in the front-rear direction of the vertical side portion 52 a of the member 52, and the two bolts 57, 57 are inserted into the second through fourth from the front side of the five through holes 56. By screwing, the plow 50 is set to the center position (state shown in the figure), and by being screwed through the first and third from the front side, the plow 50 is set to the front side position, and 3 from the front side. The plow 50 is moved to the rear position by being inserted into the fifth and fifth threads.

  Thus, in the riding grooving machine 10 of the present embodiment, the seating seat 30 is arranged so that the worker P straddles on the vertical line Ca passing through the rotation axis O of the drive wheel 12, and the seating seat 30 is provided with the seating seat 30. Regardless of the weight of the worker P who rides over, and regardless of whether the worker is on board or not (when empty), the weight applied to the soil of the plow 50 portion is always the optimum value of 15 kg. Since it is designed to be front and rear, it is possible to stabilize a groove having an appropriate depth and shape without using the weight of the worker as in the conventional example, in other words, without reducing maneuverability, workability, etc. Can be formed.

  In particular, when the rear handle 34 is used when the plow 50 is lifted and turned around the drive wheel 12 without lifting the entire machine 10, the handle position is higher than the chest of the operator. While it is difficult to lift it high, the rear handle 34 is located in the vicinity of the front portion of the plow 50 when viewed in the front-rear direction, and thus requires a large lifting force, but the oblique side portion 55a of the trapezoidal frame-shaped connecting member 55 is required. Is lower than the rear handle 34 and at a position behind the rear handle 34. By using the oblique side portion 55a as a turning handle, the plow 50 can be easily lifted and required for turning. There is also an advantage that the lifting force is small.

  3 and 4 show another embodiment of the riding grooving machine according to the present invention, FIG. 3 corresponds to FIG. 1 showing the above-described embodiment, and FIG. 4 shows FIG. 2 showing the above-described embodiment. The parts corresponding to the parts shown in FIGS. 1 and 2 are denoted by the same reference numerals. Only the differences from the above embodiment will be described below.

  The riding grooving machine 10 'according to the present embodiment is configured such that a stand can be used as a turning handle. That is, instead of the stand 48 of the above-described embodiment, a substantially U-shaped stand 70 having a grounding side portion 71c provided with a support shaft portion 71b, a vertical side portion 71a, and a large diameter portion 72 is provided. . The stand 70 is swingably supported by a support member 73 having a bearing plate 78 provided with a through hole through which the support shaft portion 71b can be inserted and removed. When used as a normal stand, as shown by the solid lines in FIGS. 3 and 4, the support shaft portion 71b is passed through the support portion 73 so that the upper portion of the vertical side portion 71a is , And fitted into a C-shaped locking groove 75 provided in the laterally projecting plate portion 74 of the support member 73 to be locked. At the time of use as this normal stand, the grounding side portion 71c having the large diameter portion 72 is located directly below the body frame 20, and the plow 50 is lifted from the ground G. Here, the support shaft portion 71b, the vertical side portion 71a, and the grounding side portion 71c are bent at right angles to each other, and the support shaft portion 71b and the grounding side portion 71c are parallel (to each other horizontally). The entire machine 10 'is perpendicular to the ground G. For this reason, since the machine 10 'can be stored in a vertical state, the deformation of the plow 50 can be prevented and the required performance can be maintained as compared with the case where the stand 48 of the embodiment is used.

On the other hand, when the stand 70 (the grounding side portion 71c) is used as a turning handle, the support shaft portion 71b is once pulled out of the support member 73, and the stand 70 (the vertical side portion 71a) is removed as shown in FIGS. As shown by a two-dot chain line in FIG. 2, in a state where the support shaft portion (71b) is swung backward with the support shaft portion (71b) as a fulcrum, the support shaft portion 71b is inserted into the support member 73 and is close to the support shaft portion 71b of the longitudinal side portion 71a This part is fitted into the U-shaped or C-shaped locking groove 77 of the lower opening provided in the obliquely projecting plate portion 76 of the support member 73 and locked from below. This makes it possible to the ground side portion 71c is engaging in a position between the plow 50 and the seat bottom 30, Thus, turning the handle the ground side portion 71c (the large-diameter portion 72 of) As in the case where the oblique side portion 55a of the trapezoidal frame-shaped connecting member 55 is used as a turning handle, the plow 50 can be easily lifted high and the lifting force required for turning is increased. The effect of being small is obtained.

The left view which shows one Embodiment of the riding grooving machine which concerns on this invention. The top view of the state which removed the engine etc. of the riding grooving machine shown by FIG. The left view which shows other embodiment of the riding grooving machine which concerns on this invention. The top view of the state which removed the engine etc. of the riding grooving machine shown by FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Riding machine 12 Driving wheel 15 Engine 20 Body frame 30 Seating seat 40 Operation handle 50 Plow 55 Connecting member 70 Stand 71a Vertical side part 71b Spindle part 71c Grounding side part 77 Locking part

Claims (4)

The machine body frame (20) is provided with a drive wheel (12), a travel drive system including an engine (15), an operation handle (40), and a seating seat (30) on which an operator rides. A grooving plow (50) is connected to the frame (20), and the operation handle (40), the seating seat (30), the engine (15), and the plow (50) are sequentially arranged from the front to the rear. ) Is a riding grooving machine (10),
The seating seat (30) is arranged so that an operator (P) rides on a vertical line (Ca) passing through the rotation axis (O) of the drive wheel (12), and the seating seat (30) Regardless of the weight of the worker (P) straddling the vehicle, the machine body is such that the weight applied to the soil of the plow (50) portion is always a substantially constant value within the range of 12 to 20 kg during the grooving operation. frame (20), said drive wheel (12), said engine (15) running drive system including the operating handle (40), said seat bottom (30), and deployed position of the plow (50) is set Riding grooving machine characterized by that. The plow (50) is connected to the lower rear side of the machine body frame (20) through a connecting member (55), and the connecting position of the plow (50) in the front-rear direction with respect to the connecting member (55) is The riding grooving machine according to claim 1, wherein the riding grooving machine is changeable. The lower side of a rear portion of the previous SL body frame (20), together with the through outline frame-like connecting member (55) having a plurality of sides plow (50) is connected, the one side of the connecting member (55) turning The riding grooving machine according to claim 1 or 2, characterized in that it can be used as a steering handle (55a). Deployment on one side of the previous SL body frame (20), the support shaft portion (71b), the vertical side portion is (71a), and a ground side part schematic having (71c) L-shaped or U-shaped stand (70) In addition, in order to use the grounding side part (71c) as a steering handle, the grounding side part is swung backward with the support shaft part (71b) as a fulcrum in order to use the stand (70). The locking portion (77) is provided so that (71c) is locked between the seating seat (30) and the plow (50) . Riding grooving machine.

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