JP2000188907A - Machine for forming levee - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a machine for forming levee, attached to the rear portion of a travel frame, equipped with a pre-treating member and a levee-arranging member which are driven by a power from the travel frame, wherein the angular portions of the polygonal conical drum portion of the levee-arranging member are improved. SOLUTION: This machine for forming a levee is attached to the rear portion of a travel frame, and is provided with a pre-treating member 14 which receives a power from the travel frame and tills a part of an original levee and a field to form a levee-like bank, and with a drum-like levee-arranging member 18 for rotating the tilled soil and simultaneously forming the levee. Therein, (1) the polygonal conical drum 11 portion of the levee-arranging member 10 is formed by bending a metal plate so that the steps of the angular portions 11b are uniform. (2) The steps of the angular portions of the polygonal drum 11 portions of the levee-arranging member 10 are formed in circular arc-like shapes, thereby reducing the rotation reaction force of the polygonal conical drum 11, reducing vibrations and preventing the adhesion and kicking-out of soil.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a pretreatment body and a ridge body mounted on a rear portion of a traveling body and driven by receiving power from the traveling body, and a corner portion of a polygonal conical drum portion of the ridge body. The present invention relates to an improved ridge coater.

[0002]

2. Description of the Related Art Conventionally, a pretreatment body which is mounted on a rear portion of a traveling body and receives power from the traveling body to cultivate a part of an original ridge and a field and swell the former ridge side in a ridge form, and this pretreatment. 2. Description of the Related Art A ridge coater provided with a polygonal cone drum-shaped ridge member for forming a ridge while rotating soil tilled by a body is well known.

[0003] As a polygonal conical drum-shaped ridged body of such a ridger, a large number of radial plates (divided pieces) are combined with a spacer having a gradient to form a drum having a large number of steps in the radial direction. What was molded into
-27654.

[0004]

In the above-mentioned prior art ridge, a large number of steps are provided in the radial direction by each plate, so that the steps gradually increase from the center of the drum toward the outer periphery, and pretreatment is performed. When rotating the soil that has been plowed and thrown by the body while rotating, the rotation reaction force increases, the vibration due to rotation increases, and the step is an edge, so the viscosity is low. In the soil, there was a problem in that the soil was exposed and increased. The present invention has been made to solve such a problem.

[0005]

In order to achieve the above object, the present invention provides: A pretreatment body mounted on the rear of the traveling body, receiving power from the traveling body, cultivating a part of the original ridge and a field to cultivate in a ridge form on the original ridge side, and the soil plowed by the pretreatment body. In a ridge coating machine provided with a polygonal conical drum-shaped ridge body that is formed into a ridge while rotating, the polygonal conical drum portion of the ridge member is made uniform by a single metal plate so that a step portion of a corner portion is uniform. It is characterized by being formed in a bent shape.

B. The stepped portion at the corner of the polygonal conical drum portion of the ridge is formed in an arc shape.

[0007]

According to the above construction, the ridge coater of the present invention performs the following operations. The above A. The polygonal conical drum portion of the ridge is formed by bending a single metal plate so that the steps of the corners become uniform, thereby rotating the soil plowed by the pretreatment body. When the ridges are aligned, the rotational reaction force is reduced, and vibrations due to rotation are reduced.

The above B. With the configuration of the above, the stepped portion of the corner of the polygonal cone drum part of the ridge is formed in an arc shape, so that when the soil cultivated by the pretreatment body is rotated and ridged, Even if there is, the flow of the soil is improved, and the dribbling and adhesion of the soil are prevented.

[0009]

Embodiments of the present invention will be specifically described below with reference to the accompanying drawings. In the first embodiment shown in FIGS. 1 and 2, reference numeral 1 denotes a ridge coater that is connected to a three-point link connecting mechanism including a top link and a lower link provided at the rear of a tractor (not shown) to perform a leveling operation. It is. The ridge coating machine 1 is provided with an input section having an input shaft which projects forward from a front frame (not shown) and receives power from a PTO shaft of a tractor via a universal joint and a transmission shaft, and projects upward. A top link connecting portion is provided, and lower link connecting portions are provided on the left and right, so as to connect to a three-point link connecting mechanism of the tractor.

Power is supplied from an output shaft (not shown) projecting rearward from the input section to an input shaft 3 projecting forward from a transmission frame 2 also serving as a main body frame, via a transmission shaft having universal joints attached to both ends. Is transmitted. From one side of the transmission frame 2, power is transmitted via a transmission case 4 to a tilling shaft 6 of a pretreatment body 5 composed of a rotary tilling device for cultivating a part of the original ridge and a field and raising the ridge to a ridge shape. A large number of tilling claws 7 are attached in the radial direction around the shaft of the tilling shaft 6.

The pre-processing body 5 is located behind the pre-processing body 5.
A ridge 10 composed of a polygonal conical drum 11 for shaping the soil tilled by the ridge into a ridge is provided, and power is transmitted from the transmission frame 2 to the rotation shaft 9 via the transmission case 8. A horizontal cylindrical body 12 is integrally provided on the outer side of the center of rotation of the ridge body 10, and rotates together with the polygonal conical drum 11 to flatten the top of the ridge formed by the polygonal conical drum 11. To be molded.

Here, in the present invention, the polygonal conical drum 11 has a conical surface 11a formed by a single metal plate.
It is formed into a polygonal cone with a corner, and the step portion 11b at the corner is bent so as to be uniform from the base to the tip of the cone. Although the tilling shaft 6 and the rotating shaft 9 extend in a direction substantially perpendicular to the traveling direction of the airframe, these axial directions may be changeable. The body 10 may be capable of adjusting the amount of lateral offset from the tractor. Further, a soil guide plate is provided behind the pretreatment body 5 to guide the soil that is plowed and thrown away in the direction of the original row.

On the other side (left side in the drawing) of the transmission case 9,
The triangular disc-shaped gauge wheel 13 serves as the vertical adjustment device 1.
4 is supported so as to be adjustable up and down. The gauge wheel 13 is formed by vertically adjusting the vertical adjustment device 14 so that the contact height of the ridge coating machine 1 is adjusted, and the working depth of the pretreatment body 5 and the ridge body 10 is adjusted. The height of the furrow can be changed. In addition, 10
The base of the transmission case 8 is rotatable in the up-down direction, and the height of the ridge body 10 can be adjusted by vertically adjusting the up-and-down adjustment support portion 15.

In the ridger 1 according to the first embodiment, the tractor is connected to the rear of the tractor via a three-point link connecting mechanism, receives power from the tractor to the input section, and receives an input shaft via a transmission shaft. 3, the pre-processing body 5 and the polygonal conical drum 11 and the horizontal cylindrical body 12 of the ridge body 10 are driven from the transmission frame 2 through the transmission cases 4 and 8 to perform the levee work together with the traveling of the tractor. Do. When deepening the working depth of the pretreatment body 5 and the ridge body 10 (to increase the ridge height),
When raising and lowering the gauge wheel 13 by the vertical adjusting device 14 and reducing the working depth of the pretreatment body 5 and the ridge 10 (lowering the height of the ridge), the gauge wheel 13 is lowered by the vertical adjusting device 14. Down to.

In the pretreatment body 5, a part of the original ridge and the field are plowed, and the soil guide plate is used to swell the ridge on the original ridge side.
The tillage body 10 rotates the cultivated soil, and the conical surface 11 a of the polygonal conical drum 11 and the step portion 11 of the corner portion are rotated.
The slope of the ridge is hit by b to form the desired ridge. In the polygonal conical drum 11, since the step portion 11b of the corner portion is formed to be bent so as to be uniform, the rotational reaction force of the polygonal conical drum 11 is small, and vibration due to rotation is reduced. .

In the second embodiment of the present invention shown in FIGS. 3 and 4, the rotating shaft 9 of the ridge 10 is provided from one side of the transmission frame 2 via a ridge transmission case 16 projecting rearward. To drive the polygonal conical drum 11 and the horizontal cylindrical body 12. In addition, an output shaft (not shown) provided on one side and the front side of the transmission frame 2 transmits the pretreatment body transmission case 1 from the output shaft.
Power is transmitted to the pretreatment body 7 via a transmission shaft 18, and transmitted to the tilling shaft 6 of the pretreatment body 5 via a pinion 19 and a bevel gear 20 provided in a pretreatment body transmission case 17.

The polygonal conical drum 11 of the second embodiment has an arc-shaped step portion 1 whose step portion is formed in an arc shape.
1c. Then, similarly to the first embodiment, the polygonal conical drum 1 of the pretreatment body 5 and
1. The horizontal tubular body 12 is driven and the tractor travels and the levee work is performed. In the present invention, since the circular step portion 11c is formed at the corner portion of the polygonal conical drum 11 of the ridge body 10, the rotational reaction force of the polygonal conical drum 11 is reduced, and vibration due to rotation is reduced. Even if the soil to be resisted is viscous, the flow of the soil is good, and the burrowing and adhesion of the soil are prevented.

[0018]

As described above, according to the ridge coater of the present invention, the following effects can be obtained.

[0019] Since the polygonal conical drum part of the ridge was formed by bending one metal plate so that the steps at the corners became uniform, the ridge rotated the soil tilled by the pretreatment body while rotating. When the ridge is leveled, the rotation reaction force of the polygonal cone drum portion is reduced, and vibration due to rotation can be reduced.

[0020] Since the step at the corner of the polygonal conical drum part of the ridged body is formed in an arc shape, when the ridged body rotates and ridges the soil cultivated by the pretreatment body, the rotation of the polygonal cone drum is reversed. The force can be reduced, vibrations due to rotation can be reduced, and even if the cultivated soil is viscous, the flow of the soil is improved, and it is possible to prevent the excavation and adhesion of the soil.

[Brief description of the drawings]

FIG. 1 is a plan view of a first embodiment of a furrowing machine according to the present invention.

FIG. 2 is a side view of the same ridge (polygonal conical drum).

FIG. 3 is a plan view of a second embodiment of the ridger according to the present invention.

FIG. 4 is a partially enlarged view of the same ridge (polygonal conical drum).

[Explanation of symbols]

REFERENCE SIGNS LIST 1 ridge coater 2 transmission frame (main body frame) 3 input shaft 4, 8 transmission case 5 pretreatment body 6 tilling shaft 7 cultivating claw 9 rotation shaft 10 leveling body 11 polygonal drum 11 a conical surface 11 b step 11 c circular step Part 12 Horizontal cylindrical body 13 Gauge wheel 14, 15 Vertical adjustment device 16 Leveling ridge transmission case 17 Pretreatment body transmission case 18 Transmission shaft 19 Pinion 20 Bevel gear

Claims (2)

[Claims] 1. A pretreatment body mounted on a rear portion of a traveling body, receiving power from the traveling body, cultivating a part of an original ridge and a field and raising the original ridge side in a ridge form, and a pretreatment body. In a ridge coating machine provided with a polygonal conical drum-shaped ridge that forms a ridge while rotating the cultivated soil, the polygon cone drum portion of the ridge is a stepped portion of a corner portion by a single metal plate. A ridge coater characterized by being formed so as to bend uniformly. 2. The ridge coating machine according to claim 1, wherein the step portion at the corner of the polygonal cone drum portion of the ridge body is formed in an arc shape.