JPH11332303A - Working rotor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a working rotor enabling the plowing for making ridges, earthing up, crushing a soil, etc., by mounting it to a rotary driving shaft protruding to the both left and right sides horizontally from the lower end part of a transmission case of a power plowing machine. SOLUTION: This working rotor is equipped with a working unit 3 mounted with many working claws in radiating directions around a shaft of rotating shaft 5 extending in horizontal direction against a rotating driving shaft protruding to both left and right sides in horizontal direction from the lower end part of a transmission case of a power plowing machine, in which the working claws are mounted to the working unit 3 as facing outward so as to mount the long claw at the transmission case side and gradually become shorter going to the outside edge side as a tapered state by a frontal view. The working unit 3 is constituted as capable of mounting plural working claw blocks 6-9 as freely demountable against the rotary shaft 5, for capable of changing the kind of the working blocks 6-9 by preparing the rotary shaft 5 having different lengths and selectively mounting the working claw blocks 6-9 to change the length of the working unit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a working rotor which is mounted on a rotary drive shaft protruding from the lower end of a transmission case of a power cultivator to the left and right sides in the horizontal direction to enable ridge tilling, mulching, crushed soil and the like. .

[0002]

2. Description of the Related Art Conventionally, a large number of working claws are mounted in a radial direction around a rotating shaft extending in a horizontal direction with respect to a rotating drive shaft protruding from a lower end portion of a transmission case of a power cultivator to left and right sides in a horizontal direction. There is known a work rotor which is equipped with a work unit and performs work such as plowing, crushing soil, ridge formation, soil filling and cultivation. And the working unit attached to the rotating shaft has the same length of working claws from the transmission case side to the outer end side,
When performing work such as soil cultivation, the soil slab was used at the same time.

[0003]

In the above-mentioned conventional working rotor, since the working claws of the working unit are equal in length from those on the transmission case side to those on the outer end side, the soil surface after tilling and crushing work is performed. Is almost horizontal, the tillage, the crushed soil depth is even, for example, when cultivating black beans it is necessary to use a cultivation plate at the same time when performing ridge formation, mulching, cultivation, etc. However, work suitable for black bean cultivation could not be performed. Also, the length of the working unit is constant, it is not possible to change the length of the working unit according to the work purpose, so if you want to change the length of the working unit, prepare a working unit with a different length in advance In addition, there is a problem that the roots of crops may be damaged during burying and cultivation work. The present invention has been made to solve the above problems.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an A.I. Work to attach a work unit with a large number of working claws in the radial direction around the axis of the rotating shaft that extends in the horizontal direction with respect to the rotating drive shaft that protrudes from the lower end of the transmission case of the power cultivator to the left and right sides in the horizontal direction In the rotor, the working unit is attached outward so that the length of the working claw is longer on the transmission case side and shorter on the outer end side, and is disposed in a tapered shape in front view. It is characterized by having.

B. The working unit is configured such that a plurality of working claw blocks can be attached to and detached from the rotating shaft, and one having a different rotating shaft length is prepared, and the working claw block is selectively attached to change the working unit length. The type of the work claw block can be changed.

[0006]

According to the above construction, the working rotor of the present invention comprises: The working unit is installed outward so that the length of the working claw is longer on the transmission case side and shorter on the outer end side, and is arranged in a tapered shape when viewed from the front. The work trace by the work unit is inclined such that the transmission case side is deep and the outer end side is shallow, so that ridge formation, soil filling and cultivation work suitable for growing black beans without using a breeding plate can be performed. In addition, the cultivation and cultivation work does not damage the roots of the crop.

[0007] The work unit is configured so that a plurality of work claw blocks can be attached to and detached from the rotation shaft, different lengths of the rotation shaft are prepared, and the work claw blocks are selectively attached to change the length of the work unit. Since the type of the work claw block can be changed, the length of the work unit can be changed according to the work purpose, and the type of the work claw block can be selected and used.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 5, reference numeral 1 denotes a transmission case of a power cultivator, and a rotation drive shaft 2 protrudes from the lower end of the transmission case 1 on both left and right sides in the horizontal direction. The working rotor 3 is configured by mounting the working unit 3 symmetrically. Since the working unit 3 is symmetrical, one of them (the one on the left side in FIG. 5) will be described.

As shown in FIGS. 1 and 2, the working unit 3 is provided with a plurality of working claws 6a, 7a, 8 in a radial direction around a rotating shaft 5 having a long hexagonal cross section extending in the horizontal direction.
Work claw blocks 6, 7, 8, 9 to which a, 9a are attached are mounted so as to be adjustable in distance. Working claws 6a, 7a, 8a,
9a, the length in the circumferential direction is different, and the working claw 6a on the transmission case 1 side is sequentially changed so as to be the longest, and the working claw 9a on the outer end side is the shortest. 5 is disposed in a tapered shape when viewed from the front. In addition, work nail 6
a, 7a, 8a, and 9a are attached so that their respective horizontal blades face outward, and move the soil outward.

Each of the work claw blocks 6, 7, 8, 9 is provided on the outer periphery of a fitting shaft 6b, 7b, 8b, 9b fitted on the rotary shaft 5, and on the fitting shaft 6b, 7b, a claw box 6c, 7c. The work claws 6a and 7a are attached via the shaft, and the work claws 8a and 9a are directly fixed to the fitting insertion shafts 6b and 7b by welding.
The fitting shafts 6b, 7b, 8b, 9b are fixed to the rotating shaft 5 by fixing bolts 6d, 7d, 8d, 9d. The fitting shaft 6b fixes one end of the rotating shaft 5 with a fixing bolt 6d, and inserts a locking pin 6e into a pin insertion hole 5a opened in the rotating shaft 5 from outside the fitting shaft 6b. And the rotating shaft 5 are locked. In addition, a fitting hole for fitting the rotary drive shaft 2 is formed in a portion of the fitting case 6b on the transmission case 1 side, and the rotary drive shaft 2 is fitted in the fitting hole. The locking pin 6f is inserted from outside the insertion shaft 6b to lock the insertion shaft 6b and the rotation drive shaft 2.

The working unit 3 according to the present invention is, as shown in FIGS.
Alternatively, a short rotating shaft 10 may be separately prepared, and the working claw blocks 6 and 7 may be selectively attached to change the length of the working unit. The work claw block may be of another type, that is, of a different type. Further, the length of the rotating shaft 10 may be changed, and the number of the work claw blocks is not limited to two but may be three.

At the rear of the working rotor 4, although not shown, a vertically adjustable dumping plate and a twin tail wheel are provided. The soil in the groove after working by the working units 3 and 3 is discharged to both sides by a discharging plate to finish a clean groove. Note that one of the working claws 6a on the transmission case 1 side is an eccentric claw, so that residual tillage on the lower side of the transmission case 1 is reduced.

Next, the operation of the working rotor 4 configured as described above will be described. The work rotor 4 is introduced into a devastated field and used to form a cultivation furrow for cultivating black beans, for example. Power from the transmission case 1 is transmitted to the working units 3 and 3 via the rotary drive shaft 2 and is driven to rotate. Then, each work claw block 6,
7, 8, 9 working claws 6a, 7a, 8a, 9a form inclined grooves so that the working claws 6a are deep and the working claws 9a are shallow while crushing the soil, and black bean cultivation ridges are formed on both sides. To form.

After the black bean cultivation furrow is formed, the working units 3 and 3 are also used for soil filling and cultivation in the growing process of the black bean. At that time, the working claws 8a, 9
Since a is shorter, the root of the crop is not damaged. Therefore, it can be used consistently from the formation of cultivation furrows in cultivation of black beans, from tillage and crushing to burrowing and cultivation. In addition, if necessary, the working unit 3 can be shortened, and a desired claw block can be selected and mounted to perform a desired work.

The work rotor 4 of the present invention is not limited to the above-described black bean cultivation, but may be used to form cultivation ridges for other crops.
It can also be used for administrative work. The working unit 3 can be used either on the both sides of the transmission case 1 or on one side.

[0016]

As described above, according to the working rotor of the present invention, the following effects can be obtained. . The working unit is mounted outward so that the length of the working claw is longer on the transmission case side and shorter on the outer end side, and is arranged in a tapered shape in front view. The work trace by the work unit is inclined so that the transmission case side is deep and the outer end side is shallow, so that ridge formation, soil filling and cultivation work suitable for growing black beans without using a breeding plate can be performed. . In addition, when performing soil filling and soil cultivation work on the crop cultivation ridge, the length of the work claw on the outer end side of the work unit is shortened, so that the root of the crop is not damaged.

[0017] The work unit is configured so that a plurality of work claw blocks can be attached to and detached from the rotation shaft, different lengths of the rotation shaft are prepared, and the work claw blocks are selectively attached to change the length of the work unit. Since the type of the work claw block can be changed, the length of the work unit can be changed according to the work purpose, and the type of the work claw block can be selected and used, so that it can be applied to a wide range of work.

[Brief description of the drawings]

FIG. 1 is a front view of a working rotor according to the present invention.

FIG. 2 is a perspective view of a rotating shaft (long) of a working rotor.

FIG. 3 is a right side view of the working rotor.

FIG. 4 is a left side view of the working rotor.

FIG. 5 is a front view of a state in which the working rotor according to the present invention is assembled to a transmission case of a cultivator.

FIG. 6 is a front view of another embodiment of the working rotor.

FIG. 7 is a perspective view of a rotation shaft (short) of the working rotor.

[Explanation of symbols]

Reference Signs List 1 Power cultivator transmission case 2 Rotary drive shaft 3 Working unit 4 Working rotor 5 Rotating shaft (long) 5a Pin insertion hole 6,7,8,9 Working claw block 6a, 7a, 8a,
9a Working claws 6b, 7b, 8b, 9b Fitting shaft 6
c, 7c Claw holder 6d, 7d, 8d, 9d Fixing bolt 6e Locking pin 6f for locking the rotating shaft and the insertion shaft
Locking pin for locking the rotation drive shaft and the insertion shaft 10 Rotation shaft (short) 10a Pin insertion hole

Claims (2)

[Claims] 1. A work in which a large number of working claws are mounted in a radial direction on the circumference of a rotating shaft extending in a horizontal direction with respect to a rotating drive shaft protruding from a lower end portion of a transmission case of a power cultivator to left and right sides in a horizontal direction. In the working rotor for mounting the unit, the working unit is mounted outward so that the length of the working claw is longer on the transmission case side and shorter on the outer end side, and is tapered in front view. A working rotor characterized by being arranged in a shape. 2. The work unit according to claim 1, wherein the work unit is configured such that a plurality of work claw blocks can be attached to and detached from the rotation shaft. 2. The work rotor according to claim 1, wherein the length of the work claw block can be changed to change the type of the work claw block.