JP3105193B2 - 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 supported horizontally on a tilling transmission case, comprising: a main claw shaft tube which rotates in a downcut direction; The present invention relates to a rotary tillage device comprising a sub-claw shaft cylinder located at a side portion and rotating in an up-cut direction.

[0002]

2. Description of the Related Art A rotary claw shaft cylinder which is provided horizontally on a tilling transmission case is positioned on a main claw shaft cylinder which rotates in a down-cut direction and on a lateral side of an axial center of the main claw shaft cylinder. A rotary tilling device comprising a sub-claw shaft cylinder that rotates in the up-cut direction, in which a cultivating claw mounted on the main claw shaft cylinder and a cultivating claw mounted on the sub-claw shaft cylinder are rotated in opposite directions. It is known (for example, see Japanese Patent Publication No. 46-39041).

[0003]

According to the rotary tilling apparatus constructed as described above, the soil in the direction opposite to the direction of the tilling claw mounted on the main claw shaft cylinder and the cultivating claw mounted on the sub-claw shaft cylinder. The dashing phenomenon of the fuselage is suppressed by the tilling reaction force canceling action by the driving, so there is an advantage that the tilling failure due to the dashing of the fuselage is prevented. Since the relative positional relationship between the rotary cultivating claw shaft cylinder composed of the claw shaft cylinder and the gage wheel device for setting the cultivation depth of the rotary cultivating claw shaft cylinder has not been determined, the main rotation of the down cut rotation The cultivated soil that the tine of the claw shaft barrel jumped up to the rear of the fuselage accumulates on the front surface of the gage foil, causing poor rotation of the gage wheel, and the cultivation claw of the main claw barrel that rotates downcut with the gage foil. Do not bite foreign objects such as pebbles between There was a problem occurs fear of.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and has a rotary claw shaft horizontally mounted on a rear lower end portion of a tilling transmission case (7). the cylinder, Shutsume drive barrel which rotates in the cut down direction (13), the main pawl located in the axial center direction lateral sides of the main gripper shaft tube (13)
The shaft tube (13) constitutes de secondary pawl shaft cylinder which rotates in the opposite up-cut direction (14), the b - gate behind the Tali gripper shaft barrel -
A rotary tillage device equipped with a diwheel device (8)
The gage wheel device (8) is different from the main claw shaft cylinder (13).
By disposing the rotating area behind the reverse-up secondary pawl shaft cylinder which rotates in the cut direction (14) in the mounted tillage pawl (16), the tilling claws of the main gripper shaft cylinder and secondary pawl shaft barrel contradiction While the dash phenomenon of the fuselage can be suppressed by driving into the soil, problems such as poor rotation of the gage wheel device and foreign matter biting do not occur.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a cultivator according to a first embodiment of the present invention; FIG.
(T) mounts an engine (3) on a frame (2) extending forward from the mission case (1), and transfers the power of the engine (3) into the mission case (1). The transmission is transmitted to an axle (4) supported on a lower portion of the transmission case (1) through a transmission mechanism to be accommodated, and a wheel (5) fitted to the axle (4) is driven to rotate to travel. And the driving operation is performed in a mission case.
It is configured to be performed at the handle of the steering handle (6) extending from (1). And the mission case
(1) A rotary tilling device (R) can be detachably provided at the rear part.

[0006] The rotary tiller (R) is a mission cage.
And a frame member (9) such as a beam and a tilling cover extending rearward from the tilling transmission case (7). , A gage wheel device (8) installed at the extending end of the frame member (9), etc., and a rotary claw shaft cylinder is supported horizontally below the tilling transmission case (7). However, the rotary claw shaft cylinder is provided with a tilling transmission case.
(7) A pair of sub-claw shaft cylinders (14) and (14) arranged on the left and right lateral sides adjacent to (7), and a pair of sub-claw shaft cylinders (14) arranged on the lateral outer side in the axial center direction of each sub-claw shaft cylinder (14). And the main claw shaft cylinders (13) and (13).

The sub-claw shaft cylinders (14) and (14) are provided outside of the inclination of the sub-claw shaft holders (12) and (12) provided symmetrically on both left and right sides of the tilling transmission case (7). Each of the radial portions is provided rotatably with a bearing support, and the main claw shaft barrel (13) (13)
Are provided so as to be removably fitted respectively to left and right protruding portions of a tilling drive shaft (10) provided horizontally through the axis portions of the sub-claw shaft holders (12). Claw shaft barrel (14) (1
On the outer periphery of 4), tilling claws (16) and (16) for tilting and rotating to cultivate the soil below the tilling transmission case (7), and the main claw shaft cylinders (13) and (13) The tilling claw (1) that rotates along the vertical plane
5) and (15) are attached 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 transmission mechanism accommodated in the tilling transmission case (7). The tilling transmission mechanism comprises: a main transmission system (11) that rotationally drives the tilling drive shaft (10); and a rotational power in an opposite direction to the main transmission system (11). The main transmission system comprises a sub-transmission system (17) that transmits power to the barrels (14) and (14).
(11) Chains are applied to a sprocket fitted to a passive shaft receiving power from the PTO portion of the transmission case (1) and a sprocket fitted to the center of the tilling drive shaft (10). It is configured to rotate.

Incidentally, the main claw shaft tube (13) of the illustrated embodiment has an inner tube (22) whose inner end is a fitting portion for the tilling drive shaft (10).
A female spline part (24) formed of an inner cylinder (22) and an outer cylinder (23) that is mounted on the inner cylinder (22) and is rotatably supported by a bearing. The male spline (30) of the tilling drive shaft (10) is engaged with and inserted into the male spline portion (26) of the transmission joint (25) fitted externally to the wedge, and screwed from the cylinder end to the tilling drive shaft (10). It is configured to be locked by a retaining bolt (27) to be attached and to be interlocked with the main transmission system (11).

The sub-drive system (17) is provided with a tilling transmission case.
A passive gear that is always meshed with a drive gear (18) provided inside the (7) to receive power from the main transmission system (11).
(19) is rotatably fitted on the tilling drive shaft (10) and is rotatably fitted and supported on the inner diameter portion of the sub-claw shaft holder (12), and the boss portion of the passive gear (19) is provided. A gear (20) externally fitted to a portion near the outer end of the gear is meshed with a receiving gear (21) formed on the inner diameter portion of the auxiliary pawl shaft tube (14) to constitute a refraction transmission portion, and 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 the power transmitted through the gear (18), the passive gear (19), and the refraction transmission unit. Have been.

Then, the rotational power of the tilling drive shaft (10) is transmitted from the splines (30) and (28) to the main claw shaft cylinder (13) via the transmission joint (25) and the spline portions (26) and (24). Then, the tilling claws (15) group of the main claw shaft cylinder (13) are rotated in the downcut direction, and the sub-claw shaft cylinder (14) transmits the rotational power in the opposite direction to the main transmission system (11). The sub-claw shaft cylinder (14) is driven by the sub-transmission shaft system (17) to rotate the tilling claw (16) of the sub-claw shaft cylinder (14) in the up-cut direction opposite to the tilling claw (15) group of the main claw shaft cylinder (13). And the main claw shaft cylinder that rotates in the opposite direction
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 (see FIG. 3).

The transmission joint (25) of the embodiment can be turned 180 degrees inside and outside so as to be fitted to the tilling drive shaft (10), and the hole inserted into the tilling drive shaft (10) is provided. The female spline (28) is engraved so as to be deviated to one side in the length direction, and a passive claw portion (29) is provided on the lateral end surface on the female spline (28) engraving side. And also the tilling drive shaft
A male spline (30) with which the female spline (28) is engaged is engraved at a predetermined portion of (10), and a transmission joint (25) is inverted by 180 degrees at a portion adjacent to the male spline (30). A concave groove (31) is provided to prevent the female spline (28) from being connected to the tilling drive shaft (10) when fitted. Then, the boss portion of the passive gear (19) is provided on the outer end face. Is a driving claw portion to which the passive claw portion (29) of the transmission joint (25) is engaged when the transmission joint (25) is fitted by being turned 180 degrees.
(32) is formed.

Therefore, in the rotary tilling apparatus of the illustrated embodiment, as shown in FIG.
5) is inverted by 180 degrees and inserted into the tilling drive shaft (10), whereby the female spline portion (28) is positioned corresponding to the concave groove (31), and the transmission joint (25) is moved to the tilling drive shaft (10). And the passive claw of the transmission joint (25).
(29) is engaged with the driving claw portion (32) on the outer end surface of the passive gear boss portion, so that the transmission to the transmission joint (25) can be converted to be performed from the auxiliary transmission system (17). That is, the main claw shaft cylinder
(13) and the sub-claw shaft cylinder (14) are all driven to rotate in the same direction by the sub-transmission system (17), and the main and sub-claw shaft cylinders (13) and (14)
It is possible to change so that all the tilling claws (15) and (16) rotate in the up-cut direction.

[0014]

The device according to the present invention is provided after the tilling drive case (7) .
B bears lateral set in a square lower portion - the Tali gripper shaft barrel, Shutsume drive barrel which rotates in the cut down direction (13), the main pawl shaft tube (1
3) The main claw shaft barrel (13) is located on the lateral side in the axial center direction.
Is constituted by a sub-claw barrel (14) rotating in the reverse up-cut direction, and a gage wheel device is provided behind the rotary claw barrel.
(8) In a rotary tillage device provided with (8),
A tilling claw mounted on a sub-claw shaft cylinder (14) that rotates the diwheel device (8) in an up-cut direction opposite to the main claw shaft cylinder (13)
Since the gage wheel device (8) is disposed behind the rotation zone of (16), the sub-claw shaft cylinder (14) that rotates in the up-cut direction.
The tilling claw (16) advances behind the part tilled by the tilling claw (16), so that the tilling soil that the tilling claw jumps up does not accumulate on the front surface of the gage foil of the gage foil device (8), and moreover, Secondary claw shaft cylinder (1
The cultivated soil thrown by the tilling claw (4) of 4) is scattered behind the gage foil through above the gage foil, so that the rut of the gage foil is erased and no trace of passage is left. The tillage of the perfect finish is performed.

[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 exploded view of a transmission joint.

[Explanation of symbols]

 Reference Signs List 7 Tilling transmission case 8 Gage wheel device 9 Frame member 10 Tilling drive shaft 11 Main transmission system 12 Secondary claw shaft holder 13 Main claw shaft cylinder 14 Secondary claw shaft cylinder 17 Secondary transmission system

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 52-122201 (JP, U) JP-A 1-155305 (JP, U) JP-B 46-39041 (JP, B1) (58) Field (Int.Cl. ⁷ , DB name) A01B 33/12 A01B 33/08 A01B 63/16

Claims (1)

(57) [Claims] 1. A cultivator transmission Ke - bears the lateral set behind the lower end of the scan (7) B - the Tali gripper shaft barrel, Shutsume drive barrel which rotates in the cut down direction (13), the main pawl shaft barrel located in the axial direction lateral sides (13) constitutes de secondary pawl shaft cylinder which rotates in the opposite up-cut direction (14) and the main gripper shaft tube (13), the b -
The gage wheel device (8) should not be provided behind the tall claw shaft cylinder.
In the rotary tillage device, the gage wheel device is provided.
(8) is characterized in that it is disposed behind the rotation ring of the tilling claw (16) mounted on the sub-claw shaft cylinder (14) rotating in the up-cut direction opposite to the main claw shaft cylinder (13). Rotary tillage equipment.