JP3105192B2 - Rotary tillage equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary claw shaft cylinder which is mounted laterally on a transmission case, comprising a sub-claw shaft tube located at the side of the transmission case and a sub-claw shaft tube. The main claw barrel is divided into a main claw barrel located on the lateral side in the axial center direction, and the auxiliary claw barrel and the main claw barrel are driven by two systems of claw barrels that transmit rotational powers in opposite directions. The present invention relates to a rotary tillage device configured to rotate in a reverse direction by a mechanism.

[0002]

2. Description of the Related Art A rotary claw shaft cylinder mounted laterally on a transmission case is composed of a sub-claw shaft cylinder located at a lateral side of the transmission case and a main claw located at a lateral side in the axial center thereof. The main claw shaft is constructed by dividing the sub-claw shaft tube and the main claw shaft tube in two opposite directions by a two-system claw shaft drive mechanism that transmits rotational power in opposite directions. 2. Description of the Related Art There is known a rotary tillage device that suppresses a dash phenomenon of an airframe by driving a tillage claw attached to a cylinder and a tillage claw attached to a secondary claw shaft cylinder into the ground in opposition to each other. -39041).

[0003]

In the prior art, the cultivating claw of the main claw shaft cylinder and the cultivating claw of the sub-claw shaft cylinder always rotate in opposite directions. In addition, there is an inconvenience that it is not possible to rotate all the tillage claws of the main and sub claw shaft cylinders in the same direction. Therefore,
The present invention is a rotary tilling device capable of suppressing a dash phenomenon of an airframe by rotating a cultivating claw of a main claw shaft cylinder and a cultivating claw of a subclaw shaft cylinder in opposite directions and driving them into the soil. It is another object of the present invention to provide a rotary tilling device capable of rotating all the tilling claws mounted on the main and sub claw shaft cylinders in the same direction, if necessary.

[0004]

Means for Solving the Problems That is, the method of the present invention
The tillage cultivation device includes a rotary claw shaft cylinder mounted laterally on the transmission case, a sub-claw shaft tube located at a lateral side of the transmission case, and an axial center lateral side portion of the sub-claw shaft tube. Situated in divided configuration and Shutsume shaft tube, and these sub pawl shaft cylinder and Shutsume shaft barrel, secondary pawl shaft barrel drive
In a rotary tilling device that rotates in mutually opposing directions by a claw barrel drive mechanism including a system and a main claw barrel drive system, in the claw barrel drive mechanism, the two claw barrels are provided. Same direction
And a rotation direction switching means for switching to a transmission posture for rotation.

[0005]

[ Function ] A claw composed of a sub-claw barrel drive system and a main claw barrel drive system
The rotation direction switching means provided in the barrel drive mechanism is
If the transmission is in the normal transmission position, the sub-claw shaft cylinder and the main claw shaft cylinder
Rotate in the opposite direction so that the tilling claws
Will be driven into the soil in the opposite direction
Dash of the aircraft due to the half-power offset action of both tilling claws
The phenomenon is suppressed. In addition, the rotation in the claw shaft cylinder driving mechanism
If the direction switching means is switched, the secondary claw is thereby operated.
Both the shaft cylinder and the main claw shaft cylinder rotate in the same direction, so that the tilling claws of both the claw shaft cylinders rotate in the same direction and are driven into the soil.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One specific embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a main claw shaft cylinder and a sub-claw of a rotary tilling device configured for a tilling machine. FIG. 2 is an overall side view showing a state in which the shaft cylinder rotates in the opposite direction, and FIG. 2 is an overall side view showing a state in which the main and auxiliary claw shaft cylinders of the rotary tilling device rotate in the same direction. 3 is a partial view showing the left half of section A in FIG. 1, FIG. 4 is a partial view showing the left half of section B in FIG.
FIG. 3 is an exploded view showing a rotation direction switching unit.

In FIG. 1 and FIG. 2, a tiller (T)
A frame (2) extending forward from the mission case (1)
An engine (3) is mounted on the vehicle, and the power of the engine (3) is transmitted to an axle (4) supported on a lower portion of the transmission case (1) via a transmission mechanism for accommodating the power in the transmission case (1). Axle
The vehicle is configured to drive by rotating a wheel (5) fitted to (4), and the driving operation is performed on a handle portion of a steering handle (6) extending backward from the transmission case (1). Have been. Then, a row is placed at the rear of the mission case (1).
Tari cultivation equipment (R) can be equipped detachably.

[0008] The rotary plow (R) is a mission cage.
A transmission case (7) connected to the base (1), a beam and tilling cover (9) extending rearward from the upper part thereof, and a gage installed at the tail of the beam. A rotary wheel shaft barrel is provided beneath the transmission case (7), and the rotary nail shaft tube is provided with a transmission case.
A pair of sub-claw shaft cylinders (14) arranged on the left and right lateral sides of the sleeve (7)
(14) and a pair of main claw shaft cylinders (13) and (13) arranged on the lateral outer side of each sub-claw shaft cylinder (14).

The sub-claw shaft cylinders (14) and (14) are composed of a transmission case.
The sub-claw shaft holders (12), which are provided symmetrically on both left and right sides of (7), are rotatably provided on the inclined outer diameter portions of the sub-claw shaft holders (12) and (12), respectively. 13) and (13) are provided by being detachably fitted to left and right protruding portions of a tilling drive shaft (10) provided horizontally through the axis of the auxiliary claw shaft holders (12) and (12). The auxiliary claw shaft cylinder (14) (14)
At the outer periphery of the sword, inclined rotary tilling claws (16) (16) for tilling the soil below the transmission case (7), and a main claw shaft cylinder (13)
Vertical rotation tillage claws (15) and (15) are attached to (13) in a predetermined arrangement.

The sub-claw shaft barrels (14) and (14) and the main claw shaft barrels (13) and (13) are rotatably driven by a claw shaft barrel driving mechanism housed in the transmission case (7). However, this claw shaft cylinder driving mechanism is provided with a main claw shaft drive system (11) that rotationally drives the tilling drive shaft (10) and a main claw shaft drive system (11). An auxiliary pawl barrel drive system (17) that transmits rotational power in the opposite direction to the auxiliary pawl barrel cylinders (14) and (14) is provided. And a sprocket fitted on a passive shaft receiving power from the PTO portion of the worm drive (1) and a sprocket fitted on the center of the tilling drive shaft (10) by a wedge.

As shown in FIGS. 2 to 4, a part of the auxiliary pawl shaft cylinder driving system (17) is a transmission case (7).
The passive gear (1) meshing with a drive gear (18) provided to obtain power from the main claw shaft cylinder drive system (11) inside the
9) is rotatably fitted on the tilling drive shaft (10) and is rotatably fitted and supported on the inner diameter of the sub-claw shaft holder (12). The boss of the passive gear (19) is provided. A gear (20) externally fitted to a portion near the outer end is meshed with a receiving gear (21) formed on the inner diameter of the auxiliary pawl shaft tube (14) to constitute a refraction transmission portion, The auxiliary claw shaft cylinder (14) is configured to be rotationally driven in the opposite direction with respect to the tilling drive shaft (10) by power transmitted through the drive gear (18), the passive gear (19), and the refraction transmission unit. Have been.

On the other hand, the main claw shaft cylinder (13) disposed on the lateral outer side of each sub-claw shaft cylinder (14) in the axial direction of the tillage drive shaft (10) has an inner end portion of the tillage drive shaft. An inner cylinder (22) serving as a fitting portion to be inserted into (10), and an outer cylinder (23) that is mounted on the inner cylinder (22) and is rotatably supported by a bearing. A female spline portion (24) formed on the inner diameter portion of the inner end is engaged with a male spline portion (26) of a transmission joint (25) in a rotation direction switching means, which will be described later, and inserted.
7) It is configured so as to be fixed.

The transmission joint (2) constituting the rotation direction switching means
5) can be fitted inside the tilling drive shaft (10) by reversing inside and outside, and as shown in FIG.
In the center hole of 5), a female spline (28) deviated to one side in the length direction is engraved, and a passive claw (29) is provided on the outer end face of the female spline (28) engraving. Have been.

On the other hand, a male spline (30) with which the female spline (28) is engaged is engraved on a predetermined portion of the tilling drive shaft (10), and a portion adjacent to the male spline (30) is formed. Is provided with a concave groove (31) for preventing the female spline (28) from wedge-engaging with the tilling drive shaft (10) when the transmission joint (25) is turned inside and outside and fitted. Also,
When the transmission joint (25) is fitted inside the outside end surface of the boss portion of the passive gear (19), the transmission joint is
A driving claw portion (32) with which the passive claw portion (29) of (25) is engaged is formed.

In the illustrated embodiment, the auxiliary pawl shaft cylinder is used.
(14) and (14) are inclinedly supported by the sub-claw shaft holders (12) and (12), and transmit the rotational power in the opposite direction to the main claw shaft drive system (11). ), So that the tilling claw (16) attached to the cultivating claw (16) is mounted in a direction corresponding to the rotation in the direction opposite to the rotation direction of the tilling drive shaft (10). On the other hand, the tilling claws (15) group of the main claw barrel (13) are mounted in a direction that matches the rotation direction of the tilling drive shaft (10), but when necessary, the left main claw barrel ( 13) on the right,
If you replace the right main claw shaft barrel (13) with the left side and install it,
The direction of the tilling claw (15) group attached to them is
The orientation of the tilling claw (16) of (14) matches (see FIGS. 1 and 2).

Therefore, in the rotary tilling apparatus of the embodiment, as shown in FIG. 3, the transmission joint (25) has the female spline (28) and the passive claw portion (29) far from the auxiliary claw shaft cylinder (14). It is fitted to the tilling drive shaft (10) in the direction located on the outside,
Thereafter, the main claw shaft cylinder (13) is attached to the tillage claw attached thereto.
(15) If the group is mounted in a direction that matches the rotation direction of the tillage drive shaft (10), the rotational power of the tillage drive shaft (10) is transmitted from the splines (30) and (28) to the transmission joint (25) and the spline portion.
(26) After being transmitted to the main claw shaft cylinder (13) via (24), the tilling claw is
(15) The group is rotated downcut. Also, the auxiliary claw shaft cylinder
(14) is driven by the sub-claw shaft drive system (17) that transmits rotational power in the opposite direction to the main claw shaft drive system (11), so that the tilling claw (16) attached thereto Is the main claw shaft cylinder
Up-cut rotation is performed in the opposite direction to the tilling claws (15) group of (13). Then, the main claw shaft cylinder that rotates in the opposite direction to each other
The tilling claw (15) of the (13) and the tilling claw (16) of the sub-claw shaft tube (14)
Tilling of a predetermined width is performed, and in that case, the dash phenomenon of the airframe is suppressed by driving the two tilling claws (15) and (16) into the soil in opposite directions.

Next, the main claw shaft cylinder (13) and the transmission joint (25) mounted on the tilling drive shaft (10) as described above are once removed from the tilling drive shaft (10), and the transmission joint ( When the female spline part (28) is located at the position corresponding to the concave groove (31), the transmission joint is turned over.
(25) is disengaged from the tilling drive shaft (10), and the passive claw (29) of the transmission joint (25) is engaged with the drive claw (32) on the outer end surface of the passive gear boss. Transmission joint (2
The transmission to the sub-claw shaft cylinder (5) is performed by the sub-claw shaft cylinder drive system (17), that is, the main claw shaft cylinders (13) and (13) and the sub-claw shaft cylinder (1).
4) are all driven to rotate in the same direction by the auxiliary pawl shaft drive system (17). In this changed posture, the main claw shaft cylinder mounted on the left side of the transmission case (7)
(13) to the right of the transmission case (7) and the transmission case
A transmission case is mounted on the main claw shaft cylinder (13) mounted on the right side of (7).
If it is replaced and installed on the left side of (7), the main claw shaft barrel (13) (1)
The group of tilling claws (15) of (3) is also the same as the group of tilling claws (1) of the sub-jaw shaft cylinder (14).
The same orientation as that of 6), and all of the tillage claws (15) (1)
6) Tillage in which the group rotates in the same direction is performed.

[0018]

According to the device of the present invention, the rotary pawl shaft tube provided laterally on the transmission case (7) is provided with the auxiliary pawl shaft tube (14) located at the side of the transmission case (7). ) And a main claw shaft cylinder (13) located on the lateral side of the auxiliary claw shaft cylinder (14) in the axial center direction, and these sub claw shaft cylinder (14) and main claw shaft cylinder (13) are divided. ) and the, driving secondary pawl shaft barrel
Claw barrel drive comprising a dynamic system (17) and a main claw barrel drive system (11)
In a rotary tilling device rotated in opposite directions by a moving mechanism, the two claw shafts are provided in the claw shaft driving mechanism.
Switch to transmission position to rotate cylinders (13) and (14) in the same direction
And characterized in that a rotation direction switching means (25) for obtaining
Therefore, the tilling claw (16) of the auxiliary claw shaft cylinder (14) and the cultivating claw (1) of the main claw shaft cylinder (13) rotating in opposite directions to each other.
5) While the tilling work can be performed while suppressing the dash phenomenon of the fuselage by driving into the soil in the opposite direction of 5), if necessary, the tilling claw (16) of the sub-claw shaft cylinder (14) and the main claw can be used. It is also possible to perform tilling work by rotating the tilling claws (15) of the shaft cylinder (13) together in the same direction, and this is a rotary tilling apparatus that is widely adaptable to the work to be performed and to differences in the field environment and the like. Was.

[Brief description of the drawings]

FIG. 1 is an overall side view of a tiller in a state in which a main claw shaft cylinder and a sub-claw shaft cylinder of a rotary tillage device rotate in opposite directions.

FIG. 2 is an overall side view of the cultivator in a state where a main claw shaft cylinder and a sub-claw shaft cylinder of a rotary tillage device rotate in the same direction.

FIG. 3 is a partial view showing the left half of the section A in FIG. 1;

FIG. 4 is a partial view showing a left half of a section B in FIG. 2;

FIG. 5 is an explanatory view showing an exploded rotation direction switching means.

[Explanation of symbols]

 7 Transmission Case 10 Tilling Drive Shaft 11 Main Claw Shaft Tube Drive System 12 Subclaw Shaft Holder 13 Main Claw Shaft Tube 14 Subclaw Shaft Tube 17 Sub-Claw Shaft Tube Drive System

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-23802 (JP, A) JP-A-59-117305 (JP, U) JP-A-4-12804 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) A01B 33/12 A01B 33/08

Claims (1)

(57) [Claims] 1. A rotary claw shaft cylinder mounted laterally on a transmission case (7), and an auxiliary claw shaft cylinder located at a lateral side of the transmission case (7).
(14) and a main claw shaft cylinder (13) located on the lateral side in the axial center direction of the auxiliary claw shaft cylinder (14).
4) and the main pawl shaft barrel (13), and the sub pawl shaft barrel drive system (17)
In a rotary tilling device that rotates in a direction opposite to each other by a claw shaft tube drive mechanism including a claw shaft tube drive system (11) , the claw shaft tube drive mechanism includes: 13) (1
A rotary tillage device, further comprising a rotation direction switching means (25) for switching to a transmission position for rotating 4) in the same direction .