JPH09308303A - Levee plastering machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a levee plastering machine, equipped with a plowing part capable of plowing the paddy surface near a levee at the front of an earthing up rotary part and capable of reducing the driving power of the earthing up rotary part, preventing the forward direction from deflecting, increasing the traction speed of a tractor and improving the operating efficiency. SOLUTION: This levee plastering machine is obtained by installing an earthing up part 11 capable of cutting the slope of an original levee and a paddy surface near the levee and raking up soil in the direction of the original levee, a levee forming part D disposed at the rear of the earthing up rotary part 11 and a plowing part capable of plowing the paddy surface near the levee before cutting the levee with the earthing up rotary part 11.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a ridge coater.

[0002]

2. Description of the Related Art Conventionally, the ridge coating machine main body is formed by cutting the slope of the original ridge and the paddy field at the edge of the ridge and scraping the cutting soil to the upper surface of the ridge, and shaping the scraped soil from the scraped soil. There is a ridge coating machine provided with a ridge forming part for forming a new ridge.

[0003]

However, when the original ridge overgrown with weeds or the paddy field on the edge of the ridge that is not plowing is not plowing, a large torque is required to drive the soil-pulling rotary portion. Therefore, there is a problem that the power consumption becomes large, and further, there is a problem that the traveling direction is deflected due to the plowing action of the earth-moving rotary portion and the reaction force of the earth-moving.

[0004]

Therefore, in the present invention, a soil gathering rotary portion for cutting the slope of the original ridge and the paddy field near the ridge to scrape the soil in the direction of the original ridge, and a rear portion of the soil gathering rotary portion. In a ridge coating machine provided with a ridge forming section provided, in front of the earth gathering rotary section, a ridge coating section for plowing the paddy field on the edge of the ridge before cutting the earth gathering rotary section is provided. It is intended to provide a machine.

[0005]

An embodiment of the present invention will be described with reference to the drawings.
1 and 2 show a ridge coater A according to the present invention.

In the figure, reference numeral 1 denotes an agricultural tractor as a self-propelled vehicle having front and rear wheels 2 and 3, and a front wheel 2 is turned by operating a steering wheel 5 in front of a driver's seat 4 so that the vehicle body travels. I have to.

A left end portion of the main body case 10 of the ridge coater main body B is vertically movably connected to the rear of the tractor 1 via a three-point link mechanism 8 composed of lower links 6, 6 and a top link 7. , The ridge coater main body B is pulled by the tractor 1, and the rotary nails for plowing of the earth gathering rotary portion 11
12 and the lower blade 13 are provided in the rotary cover 14 attached to the right end rear surface of the main body case 10, and the rotary tillage claw 12 and the lower blade 13 are rotated counterclockwise when viewed from the rear, and the slope of the original ridge G1. G2 and the rice field on the side of it are ground with the rotary claw 12 for plowing to crush the soil, and the mud cover 15 is arranged above the upper surface of the ridge, and the crushed soil scattered from the thrower blade 13 is guided by the mud shutter in the mud cover 15. It is configured to be dropped on the upper surface of the ridge.

Further, the ridge forming part D is arranged behind the mud cover 15 so as to form a new ridge from the crushed soil dropped on the upper surface of the ridge. The ridge forming part D is as follows. It is supported by the body case 10. That is, the ridge molding portion D is hung on the ridge molding portion mounting seat 20 via the elastic support portion E, and the mounting seat 20 is fixed to the right end of one ridge molding portion supporting arm 22 made of a square pipe. One end side of the parallel links 23, 24 is connected to the left end of the ridge forming part support arm 22, the other end side of each link 23, 24 is connected to both ends of the horizontal frame 25a of the T-shaped lifting frame 25, and the parallel links 23, 24 are connected. The vertical frame 25b of the elevating frame 25 is vertically slidably inserted into the guide frame fixed to the rear surface of the main body case 10 by providing the bracing link 26 that regulates the swing of 24, and the right rear side of the main body case 10 is inserted. The vertical frame 25b is tilted to the right so that it is substantially horizontal in the horizontal direction.

Further, an electric lifting cylinder 27 is attached to a cylinder mounting seat protruding from the rear side of the main body case 10, and a piston 28 of the cylinder 27 is connected to a connecting shaft 29 on the lower end side of the vertical frame 25b. , The elevating cylinder 27 is moved up and down to move the elevating frame 25 up and down, and the ridge forming part support arm 22
The ridge forming part D is moved up and down via the.

The base end of the mud cover frame 30 is fixed to the elevating frame 25, and the mud cover frame 30 is attached at the tip of the frame 30.
The mud scattering prevention cover 31 fixed to the right side surface of the main body case 10 is superposed on the upper surface and the front and rear surfaces of the mud cover 15 and supports the rotary portion 11 by the covers 15 and 31.
While preventing the scattering of mud from the bottom of the main body case 10, a round pipe-shaped sled 32, which is long in the front-back direction that slides on the rice field, is attached to the bottom of the main body case 10 so that it can be adjusted up and down.
The ground clearance is kept constant.

Further, a hydraulic oil tank 35 is arranged on the left side of the main body case 10, and a hydraulic pump P is arranged on the rear side surface of the main body case 10 adjacent to the tank 35 so that the hydraulic oil tank 35, The hydraulic hoses 36a, 36b, 36c are respectively connected between the hydraulic pump P and the hydraulic motor M of the ridge forming part D described later.
Is connected for communication.

In the figure, reference numeral 37 is a plowing depth sensor for detecting the plowing depth of the earth gathering rotary portion 11 by changing the contact pressure by sliding the lower surfaces of the three sensor plates 38 to the paddy field.

As shown in FIGS. 3 and 4, the ridge forming portion D has a ridge forming plate 60 for forming a new ridge connected below a vibrator 40 as a vibrating means.

As shown in FIGS. 5 and 6, the vibrator 40 includes a roller bearing inside a substantially rectangular tubular casing 42.
One rotary shaft 44 is pivotally supported via 43, and a hydraulic motor M disposed outside the casing 42 is interlockingly connected to the rotary shaft 44 via a coupling 45, and at the same time, the rotary shaft 44 is connected to the rotary shaft 44. Unbalanced weight W
Is attached to generate vibration by the rotation of the unbalanced weight W. In FIG. 5, 46 is a bearing mounting seat,
47 is a bearing cap, and 48 is a hydraulic motor mounting seat which also serves as a bearing mounting seat on the hydraulic motor M side. In FIG. 6, 49 is a weight mounting bolt.

As shown in FIG. 7, the ridge molding plate 60 has a side surface molding portion 61 for molding the slope G2 of the ridge and an upper surface molding portion 62 for molding the upper surface of the ridge into a substantially arc shape having a radius r. The shoulder surface forming portion 63 that bends to form the shoulder portion of the ridge is smoothly connected, and is integrally formed in a substantially V shape in rear view. The cross-sectional shape of each of the above portions 61, 62, 63 is shown in FIG. As shown, the crushed soil introducing portion 65 is continuously provided at the front end of the pressing portion 64 having the front-rear width a with a gentle inclination angle of attack θ, and extends obliquely rearward and upward at a steep angle at the rear end of the pressing portion 64. The detaching portion 66 is continuously provided, and as shown in FIG. 4, a shaping rubber 80 is attached to the rear end of the detaching portion 66.

The ridge molding portion D is attached to the tip of the ridge molding portion support arm 22 via an elastic support portion E. The elastic support portion E is, as shown in FIGS. 4 and 5, a ridge molding portion. The spring mounting seats 70 are fixed to the four corners of the substantially rectangular plate-shaped ridge forming part mounting seat 20 fixed to the tip of the support arm 22, respectively, and at the four corners of the substantially rectangular vibrator upper surface plate 41,
The spring mounting seats 70 are fixedly provided so as to face the spring mounting seats 70 on the side of the ridge forming part support arm 22, respectively, and the winding pitch P1 at the center is provided between the facing spring mounting seats 70 at both ends. An unequal pitch coil spring 72 wider than the winding pitch P2 is provided.
At the tip of the lateral spring support 73 protruding from the bottom surface of the vibrator and the top surface of the vibrator top plate 41.
70 is attached, and an unequal pitch coil spring 72 is interposed between these spring attachment seats 70 to elastically support the ridge molding portion D so that vibration is not transmitted to the main body case 10.

Further, a substantially U-shaped amplitude restricting body 53 is projected from the side surface of the casing 42 of the vibrator 40, while a roller supporting body 54 is hung from one side of the lower surface of the ridge molding portion mounting seat 20. The amplitude regulation roller 55 attached to the tip is positioned inside the opening of the amplitude regulation body 53 to regulate the excessive amplitude of the ridge molding portion D.

In the ridge coater A according to the present invention, as shown in FIG. 1, a plowing part F is disposed on the front surface of the main body case 10, and the plowing part F is located in front of the rotary part 11. As shown in FIG. 9, the plowing part F is located on the lower surface of the horizontally long rectangular spring support 34 connected to the mounting arm 33 for plowing the paddy field G3 near the ridge. A large number of springs s are installed vertically.

With such a structure, prior to cutting by the rotary portion 11, the plowing portion F cultivates the rice field G3 on the edge of the ridge to reduce the torque required to drive the rotary portion 11, and at the same time, the plowing portion F. It is possible to prevent the reaction force of the plowing action of the rotary portion 11 from being offset by the resistance of the above, and to prevent the traveling direction of the ridge coating machine A from being deflected.

Further, in the plowing part F, a large number of chisels are vertically provided on the lower surface of the above-mentioned support so as to plowing the paddy field G3 on the edge of the ridge, and the plowing part F, FIG. 10 and FIG. As shown in FIG. 7, a large number of grooving discs F1 are axially supported in parallel with the advancing direction on a horizontal rotation shaft that is continuously provided to the mounting arm 33, and the soil of the rice field G3 on the edge of the ridge is crushed. As shown in FIGS. 12 and 13, a single cutting disk F2 is attached to the mounting arm 33 at a predetermined angle with respect to the traveling direction so as to be pivotally supported to cut the ridge slope G2, and FIG. And as shown in FIG.
There is an earth-moving disk F3, etc., which cuts the field G3 on the edge of the ridge and applies the soil in the ridge direction.

[0021]

EFFECTS OF THE INVENTION According to the present invention, the earth moving rotary portion for cutting the slope of the original ridge and the rice paddy on the edge of the ridge to scrape the soil in the direction of the original ridge, and the ridge forming provided behind the rotary earth portion. In the ridge coating machine having a section, by providing a plowing section for plowing the paddy field on the edge of the ridge before cutting the soil gathering rotary section, the torque required to drive the soil gathering rotary section in front of the soil gathering rotary section. Can reduce the power consumption and increase the traction speed of the tractor to improve work efficiency.Furthermore, solve the shortage of horsepower when towing the ridge coater with a tractor with a small output. be able to.

Further, the resistance of the plowing part cancels out the reaction force of the earth-pulling rotary part, so that the deflection in the traveling direction can be prevented.

[Brief description of drawings]

FIG. 1 is a plan view of a ridge coating machine according to the present invention.

FIG. 2 is a rear view of the same.

FIG. 3 is a rear view of the ridge molding portion and the elastic support portion.

FIG. 4 is a side view of the ridge molding portion and the elastic support portion.

FIG. 5 is a partial cross-sectional rear view of the vibrator.

FIG. 6 is a sectional side view of the vibrator.

FIG. 7 is a rear view of the ridge molding plate.

FIG. 8 is a sectional side view of the ridge molding plate.

FIG. 9 is a rear view of the tiller (spring tiller).

FIG. 10 is a plan view of a ridge coater equipped with a plowing part of another embodiment.

FIG. 11 is a rear view of the plowing part of another embodiment.

FIG. 12 is a plan view of a ridge coater equipped with a plowing part of another embodiment.

FIG. 13 is a rear view of the plowing part of another embodiment.

FIG. 14 is a plan view of a ridge coater equipped with a plowing part of another embodiment.

FIG. 15 is a rear view of the plowing part of another embodiment.

[Explanation of symbols]

 A ridge coater F Tillage section G1 Yuan ridge G2 Slope G3 Field surface at the edge of the ridge 11 Earth gathering rotary section

Claims (1)

[Claims] 1. A soil gathering rotary part (11) for cutting the slope (G2) of the original ridge (G1) and a rice terrace (G3) at the edge of the ridge to scrape the soil toward the original ridge (G1), and the same soil gathering. A ridge coating machine (A) comprising a ridge forming section (D) provided behind the rotary section (11), wherein a landslide rotary section is provided in front of the landslide rotary section (11).
The plowing part plowing the rice field (G3) on the edge of the ridge prior to the cutting of (11)
A ridge coater characterized by having (F).