JPH0376502A - Side drive type deep tillage rotor - Google Patents

Abstract

PURPOSE:To stably and efficiently make it possible to carry out deep tillage operation free from residual tillage in good spading by attaching a tilling pawl having a side blade in which a face is formed to a rotor having side drive type up-cut style. CONSTITUTION:A rotor 9 pivoted through a transmission case 4 to a machine body is allowed to carry out deep tillage by rotating a rotor 9 in up-cut direction. Then the transmission case 4 is made as a side drive type on the side of the machine and simultaneously a tilling pawl 7 projected on the side of the machine body from the tip of a vertical blade 7a and having a side blade 7b in which face 8 is formed is attached to the rotor 9. The relationship between rotating radius R and tilling depth H is kept to H/R >=1. As a result, tilling operation free from residual tillage can be stably carried out in good spading and high efficiency. Further, tilling operation is made possible in small-sized rotor and the miniaturization and lightening of tilling rotor can be practised.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an up-cut side drive type deep plowing rotor.

[Conventional technology]

Conventionally, all side drive type deep plowing rotors that are attached to the rear of a riding tractor so as to be able to be raised and lowered via a three-point link for deep plowing have been of the down-cut type. In many cases, the relationship between the rotation radius R of the tilling claw (rotor) and the tilling depth H is H/R≦1.

[Problem to be solved by the invention]

In the down-cut side drive type deep plowing rotor as described above, the rotation radius R of the tilling claws (rotor)
The relationship between H and plowing depth H is H/R≦1, that is, the plowing depth is equal to the plowing claw (
Because the radius of rotation was the same as or smaller than that of the rotor, deep plowing was not possible. Also, deep plowing required a large amount of power. Furthermore, in areas where the soil is hard, the plowing depth is not constant, and the plowing performance of the tiller blades is poor.

The present invention has been made to solve the above problems.

[Means to solve the problem]

In order to achieve the above object, the present invention provides (1) a deep plowing rotor that performs deep plowing by rotating a rotor that is pivotally supported on the machine body through a transmission case in an up-cut direction; (2) The rotor is of a side drive type provided on the side of the rotor, and the rotor is equipped with a tilling claw having a horizontal blade that protrudes laterally from the tip of the vertical blade and forms a rake surface; The relationship between the rotation radius R of the claw and the plowing depth H is expressed as H/
(3) The circumferential speed of the tip of the tilling claw is 3.8 m/sec.
(4) Fixed blades were attached to the support parts at both ends of the rotor. (5) A protector was provided on the front side of the transmission case in the direction of movement of the aircraft. (6) The support parts at both ends of the rotor were provided with a protector. Subsoiler on the front side
Or, they are each characterized by having a processing blade like a coulter installed.

[For production]

With the above configuration, the present invention can perform deep plowing with less power than the down-cut method. In addition, plowing depth is stable and plowing performance is good.

■ Since the plowing depth is larger than the rotation radius of the tiller claws, deep plowing is possible with a small device.

- Since the circumferential speed of the tilling claws is 8.6 m/sec or more, the tilled soil clod can be thrown sufficiently backward, and no re-tillage is required.

■ Fixed blades are provided on both end supports of the rotor, which prevents tilled soil from scattering to the side, improves separation from uncultivated land, and improves throwing performance.

■ Since a protector is provided on the transmission case, the soil on the front side of the transmission case is scraped away, making it easier for the transmission case to enter the soil, making it easier to perform deep plowing and making the machine more compact.

■ A processing blade like a subsoiler or coulter is provided on the front side of the support at both ends of the rotor, which improves the separation between cultivated and uncultivated land, improves the ability to release cultivated soil, and removes grass, straw culm, etc. is buried in the soil.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 indicates a deep plowing rotor, and this deep plowing rotor 1 is attached to the rear of a riding tractor (not shown) so that it can be raised and lowered via a 3-point link, and the rotor 1 is protruded forward from the main body 2 of the rotor. The sleeve 3 receives power from the PTO shaft of the tractor and is rotatably driven. The main body 2 also serves as a transmission case and extends in the left and right direction,
A transmission case 4 is provided downward from the negative end of the transmission case 4, and the main body 2 faces the transmission case 4.
A side drive type rotor 9, which will be described later, is pivotally supported between the rotor 9 and a support frame vertically disposed without receiving power transmission from the other end so as to rotate in the direction of the arrow (upcut direction).

As shown in FIG. 2, the transmission case 4 includes an upper case 4a whose upper end is connected to one end of the main body 2 to receive power transmission and hangs down, and an upper case 4a that is bent laterally from the upper case 4a. It is a side drive type in which a stepped portion 4b and a lower case 4c extending downward from the stepped portion 4b are transmitted and connected in a crank shape, and a tilling shaft 5 is installed between the lower case 4C and the support frame. It is pivoted. The transmission case 4 may be a straight one in which an upper case 4a and a lower case 4C are linearly connected. The tilling shaft 5 is provided with a large number of flanges 6, 6 at predetermined intervals along its length, and a plurality of tilling claws 7 are attached to each flange 6 at equal intervals in the circumferential direction for up-cutting. It constitutes a rotor 9 that rotates in the direction. The above tilling claw 7
consists of a vertical blade 7a that is curved backward in the direction of rotation, and a horizontal blade 7b that is bent and protrudes from the tip of the vertical blade 7a at a substantially right angle to the side and forms a rake surface 8. Turn in the cutting direction.

It is possible to turn the plow and plow deeply with less power. The upper part of the rotor 9 is covered with a shield cover IO, and an apron 11 is pivotally attached to the rear end of the shield cover IO.

As shown in FIG. 1, the relationship between the rotation radius R of the tilling claws 7 (rotor 9) and the tilling depth H is set to )I/Rkl. That is, the rotation center O of the tilling claws 7 (rotor 9)
Tilling work is done so that the soil surface level is the same as or lower than the tilled soil surface. Further, the peripheral speed of the tip of the tilling claw 7 (rotor 9) is set to 3.6 m 2 /sec or more. By setting this circumferential speed, the tilling claws 7 (
The ability to throw the tilled soil backwards by the rotor 9) is improved, and the tilled soil can be tilled again. Efforts are made to prevent re-cultivation.

A straight blade 12 is fixed to the outside of the lower case 4c of the transmission case 4. This straight blade 12 cuts the soil outside the outer end of the rotation range of the rotor 9 in a straight line as the machine advances.
The rotation radius R of the rotor 9 is such that the straight blade 12 is shorter by a to reduce the cutting resistance of the soil. Note that the straight blade 12 is provided not only on the lower case 4c of the transmission case 4 but also on the rotor support portion on the opposite side.

Further, a protector 13 shown in detail in FIG. 3 is attached to the front side of the upper case 4a of the transmission case 4 in the direction in which the machine moves. This protector 13 is fixed to the outer end of the upper case 4a, extends linearly in the front-rear direction along the outer end surface of the upper case 4a in plan view, and recedes diagonally from its tip toward the inner end surface of the upper case 4a. In addition, in the side shape, the direction recedes diagonally upward from the tip, and the lower edge passes from the tip slightly below the lower end of the upper case 4a and rises slightly with respect to the horizontal plane, as shown by b in FIG. It is formed of a plate-like body. Mainly on the front side of the upper case 4a, soil is cut linearly along the outer end surface of the upper case 4a as the machine advances, and the cut soil is guided to the rotor 9 side. In addition, the above protector 1
Reference numeral 3 may be provided not only on the upper case 4a of the transmission case 4, but also on the rotor support portion on the opposite side.

Further, as shown in FIG. 4, a sub-soiler 14 is provided on the front side of the transmission case 4 at approximately the center in the width direction thereof so as to be vertically adjustable. This subsoiler 14 may be either a fixed type or a vibrating type, and the distance C between its bottom edge and the rotating outer circumference of the rotor 9 is determined by the CaO relationship, that is, the plowing depth of the subsoiler 14 is the plowing depth of the rotor 9. The plowing depth adjustment range (plowing depth adjustment amount) is the range of c+d, where d is the distance between the bottom edge of the subsoiler 14 and the lower end of the upper case 4a. , from the lower end of the upper case 4a to the rotational outer circumference of the rotor 9.

In place of the subsoiler t4, a straight blade (knife blade) may be used (not shown), or a vertically adjustable coulter 15 shown in FIG. 5 may be used. In this coulter 15 as well, the distance e between its outer periphery and the rotating outer periphery of the rotor 9 is such that e≧O, that is, the cutting depth of the coulter 15 is always shallower than the plowing depth of the rotor 9. Further, the cutting depth adjustment range (cutting depth adjustment amount) is the range e+f, that is, from the lower end of the upper case 4a to the rotor 9 to the outer circumference of rotation.

These subsoiler 14, straight blade (knife blade), coulter 15, etc. are not only located on the front side of the transmission case 4, but also
It is similarly provided in front of the other support part of the rotor 9.

A side drive type deep plowing rotor with such a configuration is installed on a riding tractor and as shown in Fig. 1,
While the rotor 9 is rotating, the center O goes deep into the soil, and the side blade 7
Rotation radius R and tilling depth H of tilling claw 7 with rake surface 8 provided on b
The field is deeply cultivated with the relationship between H/Ral.

The plowing depth is 36 to 55 a in this example.
n, and can perform much deeper plowing with less power than the conventional down-cut method.Moreover, since the circumferential speed of the tilling claws (rotor) is 3.6 m/sec or more, the tilled soil mass can be shielded. Cover lO, apron 1
1, it is possible to reliably release the soil in the backward direction, reducing the need for re-tillage, and the plowing performance is also good.

Since straight blades 12 are provided on both end supports of the rotor 9, the soil under the rotor both end supports is cut or cracked, reducing the forward movement resistance of the both end supports, and the soil is plowed by the rotor 9. The soil is better separated from the uncultivated area, and for example, the soil is no longer pushed out by the lower case 4C, and re-cultivation is prevented. In addition, the tilled soil can be thrown backwards well, preventing it from scattering to the sides, allowing efficient deep plowing work.

Furthermore, since a protector 13 is provided on the front side of the upper case 4a of the transmission case 4, it not only protects the transmission case 4 but also helps separate the soil cultivated by the rotor 9 from the uncultivated land side, and improves the ability to throw the soil backwards. Good and stable plowing depth can be obtained.

Sarani, subsoiler 1 in front of both end supports of rotor 9
4. Equipped with a processing blade like Coulter 15,
The soil in front of the rotor both end supports is plowed and cut, reducing the forward movement resistance of the rotor both end supports, and the soil plowed by the rotor 9 is better separated from the uncultivated area, reducing the need for re-tilling of the tilled soil. Become.

From the above, stable deep plowing work can be carried out efficiently,
In addition, it is possible to cultivate deeply with less power, and it is possible to make it smaller and more compact.

〔Effect of the invention〕

As explained above, according to the side drive type deep plowing rotor of the present invention, the following effects can be obtained.

(a) The deep plowing rotor is a side drive type up-cut type, and the rotor is equipped with tilling claws with rake surfaces formed on the side blades, so plowing is good, there is no residual plowing, and deep plowing work is stable and high with less power. Can be done efficiently.

0 Since the rotation radius R of the tilling claws and the plowing depth H are set in the relationship H/R = 1, deep plowing is possible with a small rotor, and the deep plowing rotor can be made smaller and lighter.

Q: Since the circumferential speed of the tip of the tiller claws is set to 3.8 m /sec or more, the plowing performance of the tiller claws is good, the tilled soil is thrown backwards sufficiently, and no re-tillage is required.

(b) Since fixed blades are provided on both end support parts of the rotor, the forward resistance of both end support parts is reduced, and the rotor can better separate tilled soil from uncultivated land, reducing the need for re-tillage. In addition, there is less lateral scattering of cultivated soil, and backward throwing becomes better.

(E) Since a protector and processing blade are provided on the front side of the transmission case, the transmission case is protected during deep plowing work, and the rotor separates the tilled soil from uncultivated land well, allowing the rearward throwing of the tilled soil to be performed well. , there is less scattering to the sides, allowing efficient deep plowing work.

[Brief explanation of drawings]

Fig. 1 is a schematic side view of a deep plowing rotor showing an embodiment of the present invention, Fig. 2 is a rear view of the main parts, and Fig. 3 is a - - - - of Fig. 1.
The line sectional view and FIGS. 4 and 5 are schematic side views showing different embodiments of the processing blade. l... Deep plowing rotor, 2... Rotor body, 3...
・Input shaft, 4... Transmission case, 5... Tilling shaft 1, B
... flange, 7 ... tilling shaft, 8 ... rake face,
9...Rotor lO...shield cover, ll...
・Apron, 12... Straight blade, 13... Protector, 14... Subsoiler 115... Coulter Patent Applicant: Kobashi Kogyo Co., Ltd.

Claims (6)

[Claims] (1) The rotor is pivotally supported on the fuselage via a transmission case,
In a deep plowing rotor that performs deep plowing by rotating in the upcut direction, the transmission case is of a side drive type installed on the side of the machine body, and the rotor has a rotor that protrudes laterally from the tip of the vertical blade. A side drive type deep plowing rotor characterized by being equipped with a plowing claw having horizontal blades forming a rake surface. (2) The relationship between the rotation radius R of the tilling claws and the tilling depth H is expressed as H/
The side drive type deep plowing rotor according to claim 1, characterized in that R≧1. (3) The side drive type deep plowing rotor according to claim 1 or 2, characterized in that the circumferential speed of the tip of the tilling claw is 3.6 m/sec or more. (4) The side drive type deep plowing rotor according to any one of claims (1) to (3), characterized in that fixed blades are attached to both end support portions of the rotor. (5) Claims (1) to (4) characterized in that a protector is provided on the front side of the transmission case in the direction of movement of the aircraft.
Side drive type deep plowing rotor as described. (6) The side drive type deep plowing rotor according to any one of claims (1) to (5), characterized in that a processing blade such as a subsoiler or a coulter is disposed on the front side of both end support portions of the rotor.