JPH073842Y2 - Ridge sheet tensioning machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a ridge sheet tensioning machine for preventing leakage of ridges in a paddy field.

[Prior Art] Conventionally, this type of ridge sheet tensioning machine has a disk provided on the front end side of a frame having a handle at its base end so as to be freely rotatable, and roll-shaped in parallel with and facing the axis of the disk. A supporting shaft for rotatably supporting the seat is provided laterally, and one side in the longitudinal direction of the seat is hooked on a protrusion projecting on the outer peripheral edge of the disc so as to be hooked on approximately half of the upper outer peripheral edge thereof. Then, by operating the handle, while rotating the lower part of the disk into the soil on the ridge side of the paddy field, it is rotated forward so that one side of the sheet pulled out by the disk is embedded in the soil. The other side of this sheet is pulled up on the ridges and the weight of soil is piled up to form the sheet, which prevents the water in the paddy field from leaking from the ridges.

[Problems to be Solved by the Invention] In the seat tensioning work using the above-mentioned conventional ridge sheet tensioner, since the handle is operated to move forward while the disk is digging into the soil, the resistance applied to the handle is large. There was a problem that it required labor.

The present invention solves the above-mentioned problems, and an object of the present invention is to provide a ridge sheet tensioning machine that can be automated to reduce the labor of an operator and can stably bury the sheet in the soil. .

[Means for Solving the Invention] According to the present invention, a drive wheel for driving an engine is provided on the front end side of a frame having a handle at the base end, and an idle plate having a diameter substantially the same as that of the drive wheel is provided coaxially with the drive wheel. A support shaft that is provided with a protrusion at the edge of the idler plate and that rotatably supports the roll-shaped sheet parallel to the axis of the idler plate and facing the idler plate on the base end side of the frame. Is installed horizontally.

[Operation] In the ridge sheet tensioning machine, rotation of the engine drive wheel causes the drive wheel to move forward while scratching the soil of the paddy field. With this advancement, the idler plate with one side of the seat hung on the outer peripheral edge is The lower part rotates while biting into the soil, and one side of the sheet is embedded in the soil. In addition, the idle plate does not spin because it rotates while biting into the soil as much as it advances.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 4 show an embodiment of the present invention, in which a handle 3 is fixed to the base end of a frame 2 of a ridge sheet tensioning machine 1, and the frame 2 is inserted through the handle 3. A hollow long rod 4 forming a part is fixed. An engine 5 is provided at the base end of the long rod 4, a gear case 6 is provided at the front end thereof, and a drive shaft 7 orthogonal to the long rod 4 is pivotally supported by the gear case 6. Also, this drive shaft 7
The rotation of the transmission shaft 8 inserted into the long rod 4 and connected to the engine 5 is transmitted to the gearbox 6 via a gear mechanism (not shown) in the gearbox 6.

The drive shaft 7 is provided with a drive wheel 9 and a disk-shaped idler plate 10 having substantially the same diameter as the drive wheel 9, and the drive wheel 9 is a wheel body.
A plurality of scraping plates 12 are fixed to the outer peripheral edge of 11, and a receiving plate 13 is fixed to the tip end side of the scraping plate 12, and the other end of the receiving plate 13 is fixed to the outer peripheral edge of the wheel body 11. The wheel body 11 is fixed to a boss portion 14 inserted through the drive shaft 7 through spokes 15, and the boss portion 14 is prevented from rotating around the drive shaft 7 by a connecting pin 16 inserted through the drive shaft 9. It is fixed.

A plurality of triangular protrusions 17 are provided on the outer peripheral edge of the idle shaft 10, and a boss portion 19 having a flange portion 18 is fixed to the center thereof by a fastening member 20 such as a bolt or nut. The drive shaft 7 is loosely inserted into the boss portion 19, and snap steps are provided on the step portions 21 formed on the drive shaft 7 at both ends of the boss portion 19.
22 is fitted, and the idler plate 10 is provided on the drive shaft 7 so as to be idle and positioned.

Reference numeral 23 denotes a support shaft having one end fixed to the base end of the handle 3, and the support shaft 23 extends parallel to the drive shaft 7 and faces the idler plate 10 to the side of the idler plate 10. Is provided by
A roll-shaped sheet 24 is rotatably attached to the support shaft 23. A guide plate 25 is provided on the base end side of the support shaft 23, and the tip end side of the guide plate 25 guides the seat 24 to the idler plate 10 side and the idler plate 10 and the drive wheels 9. It is arranged between and and the angle can be adjusted by the screw 26.

Further, a stop plate 27, a spring 28, and a detachable member 29 are loosely attached to the tip end side of the support shaft 23, and the guide plate 25 and the stop plate 27 are provided.
The roll-shaped sheet 24 is inserted between and, and the sheet 24 is replaceably attached to the support shaft 23 by a butterfly screw 30 provided on the detachable member 29.

31 is a grip portion fixedly provided on the upper portion of the gear case 6,
A pair of float-shaped scraping bodies 32 are fixed to the lower part of the base end side of the frame 2, and the scraping bodies 32 are formed in a tapered shallow bottom shape.

Next, a method of using the ridge sheet tensioning machine will be described.

The seat 24 is pulled out from the support shaft 23, and one side of the seat 24 in the longitudinal direction on the idler plate 10 side is hooked on the upper portion of the outer peripheral edge of the idler plate 10. Then, when the engine 5 is started, this rotational force rotationally drives the drive wheels 9 via the transmission shaft 8 and the like, and by this rotational drive, the scraping plate 10 scrapes the soil of the paddy 33 and the ridge sheet tensioning machine 1 advances. With this forward movement, the free-wheeling plate 10 rotates while biting into the soil on the side of the ridge 33A, burying the side of the seat 24 in the biting position 34, and further the rear scraping body 32 is embedded. The soil is scraped up at the location to form the embankment 35. Since the idler plate 10 is rotatably provided on the drive shaft 7, the idler plate 10 rotates while eroding the soil by the amount by which the ridge sheet tensioning machine 1 advances, and the seat 24 Pull it out evenly and embed it evenly. Then, the other side of the embedded sheet 24 can be pulled up by the upper part of the ridge 33A, and similarly the sheet can be stretched on the other side of the ridge 33A to prevent water leakage by the sheet 24 as shown in FIG.
If necessary, a weight (not shown) is provided on the seat 24 on the ridge 33A.

As described above, in the present invention, since the ridge sheet tensioner 1 is provided with the drive wheels 9 for driving the engine 5, the ridge sheet tensioner 1 is driven forward by the rotational force of the drive wheels 9,
As in the prior art, the labor of the operator to push the handle can be saved, the work can be reduced, and the work efficiency can be improved.

Further, the drive shaft 7 is provided with a free-wheeling plate 10 for pulling out the seat 24 by means of the protrusions 17 so as to be free to rotate, and the lower part of the free-wheel shaft 10 is soiled by the amount of the forward movement of the ridge sheet tensioning machine 1. Rotate while biting in, and embed one side of the seat 24 in the biting position 34. Therefore, if the idler plate 10 is fixedly mounted on the drive shaft 7, the drive wheel 9 is in an idle state because it scratches the soft soil of the paddy field 33, that is, the idler plate tensioner 1 does not move forward and the idler plate 10 moves. The ridge sheet tensioning machine 1 provided with the idling plate 10 of the present invention so as to be able to idle, is uniform and stable without feeding the sheet 24 into the soil in an idling state and preventing the sheet 24 from being entangled or broken. The seat 24 can be tensioned.

Further, a scraping body 32 provided in the lower rear part of the ridge sheet tensioning machine 1.
The embankment 35 is carried out after the seat 24 is embedded by the above, and the scraping body 32 supports the rear side of the ridge sheet tensioning machine 1, so that the ridge sheet tensioning machine 1 can be operated stably. it can.

Moreover, the guide plate 25 allows the seat 24 to be stably pulled out by the idler plate 10 without being affected by the drive wheels 9. Further, the grip portion 31 provided on the opposite side of the idler plate 10 and the drive wheel 9 holds the grip portion 31 and the frame 2, the handle 3 or the like in a safe and stable manner.
Can be carried.

Further, the ridge sheet tensioning machine 1 of the present invention can be used as a groover for paddy fields by using the drive wheel 9 only by removing the snap ring 22 and removing the idler plate 10 from the drive shaft 7, and vice versa. The idler plate can be attached to a grooving machine or the like.

The present invention is not limited to the above embodiment, but the size, shape, size, etc. of the drive wheels can be selected as appropriate, and the engine is a type installed at the front upper part of the ridge sheet tensioner. Various modifications can be made.

[Effects of the Invention] The present invention provides a drive wheel for driving an engine on the front end side of a frame having a handle at the base end, and an idler plate having substantially the same diameter as the drive wheel is provided coaxially with the drive wheel. A projecting portion is provided at the edge of the rolling plate, and a support shaft, which is parallel to the shaft of the idle plate and faces the idle plate and rotatably supports the roll-shaped sheet, is provided laterally on the base end side of the frame. Therefore, it is possible to provide a ridge sheet tensioning machine that can be automated to reduce the labor of the operator and that can stably bury the sheet in the soil.

[Brief description of drawings]

1 to 5 show an embodiment of the present invention, FIG. 1 is a perspective view, FIG. 2 is a front view, and FIG. 3 is an enlarged cross-sectional view of a main part,
FIG. 4 is a schematic explanatory diagram for explaining the operation, and FIG. 5 is a schematic explanatory diagram for sheet tensioning using the ridge sheet tensioner of the present invention. 1 …… Ridge sheet tensioner 2 …… Frame 3 …… Handle 4 …… Nagaki 5 …… Engine 7 …… Drive shaft 9 …… Drive wheel 10 …… Idle plate 23 …… Support shaft 24 …… Seat 33 …… Paddy field 34 …… Ride

Claims (1)

[Scope of utility model registration request] 1. A drive wheel for driving an engine is provided on a front end side of a frame having a handle at a base end thereof, and a free wheel having a diameter substantially the same as that of the drive wheel is provided coaxially with the drive wheel and the idle wheel of the free wheel is provided. A projecting portion is provided at an edge portion, and a supporting shaft for rotatably supporting the roll-shaped sheet is provided laterally on the base end side of the frame in parallel with the shaft of the idler plate and facing the idler plate. A ridge sheet tensioning machine.