JP3986858B2 - Residual tillage treatment equipment for transmission case - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a residual tillage processing apparatus in which a remaining tilling claw having a vertical blade and a horizontal blade protrudes downward from a lower end portion of a transmission case in which a tilling rotor is disposed laterally from the lower end portion.
[0002]
[Prior art]
Conventionally, as shown in FIGS. 6 and 7, a drive shaft B protrudes from the lower end of the center drive transmission case A to the left and right sides, and a circular claw mounting flange C is fixed to the drive shaft B. A plurality of tilling claws D are attached to the outer peripheral portion of the claw mounting flange C in a radial direction at a predetermined interval to constitute a tilling rotor, and have vertical and horizontal blades downward from the lower end of the transmission case A. A transmission case residual plow processing apparatus having a residual plow processing nail E protruding is well known.
[0003]
The above-mentioned conventional after-plow processing claw E has a horizontal blade with respect to the vertical blade and extends straight forward and backward like a well-known deep-plow chisel. Could not be done sufficiently. In particular, in the case where a planting groove for crops is formed, if there is a remaining tillage part, the planting of the crop could not be performed well.
[0004]
[Problems to be solved by the invention]
As described above, in the conventional remaining tillage processing nail E, the remaining tilling treatment below the transmission case A is insufficient and there is remaining tilling, so it is necessary to improve this.
[0005]
The present invention has been made for the purpose of solving the above-mentioned problems, and in particular, by improving the horizontal blades of the remaining tillage processing claw, the transmission case in which the remaining tilling treatment below the transmission case is sufficiently performed. An attempt is made to provide a residual tillage treatment apparatus.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is characterized by comprising the following configurations (claims 1 and 2).
A. In the residual plowing treatment device of the transmission case in which the tilling rotor is disposed laterally from the lower end of the transmission case, and the residual tillage claw having a vertical blade and a horizontal blade is protruded downward from the lower end of the transmission case, The horizontal blade of the residual tillage nail is a rake face extending diagonally upward to the rear side from the front side of the machine body in the lower end portion of the vertical blade, and a soil reversal extending rearward and diagonally upward from the rake face. Ri Na provided a working surface and該土inverting action surface that is retracted positioned relative lower end of the transmission case.
[0007]
B. The soil reversal action surface of the horizontal blade of the above-mentioned residual tillage claw was formed by continuously extending the rake face of the horizontal blade and bending the rear end of the rake face obliquely upward .
[0008]
[Action]
With the above configuration, the transmission case residual cultivation apparatus of the present invention operates as follows.
a. The horizontal blade of the afterplow processing claw is disposed at the lower end of the vertical blade at a rake surface extending obliquely upward from the front side of the aircraft in the traveling direction, and a soil reversal action arranged at the rear side of the rake surface and extending obliquely upward at the rear side. Ri Na provided and the surface, and該土inverted working surface in Rukoto been retracted positioned relative lower end of the transmission case, the rake face of Zanko portion which has not been tilling by tilling rotor under the transmission case lateral edge It is plowed so as to be scooped by the ground, and is further reversed and crushed by the soil reversal action surface without being obstructed by the lower end of the transmission case to be finished in a flat shape.
[0009]
b. The soil reversal action surface of the horizontal blade of the residual tillage claw is formed by continuously extending the rake face of the horizontal blade and bending the rear end of the rake face obliquely upward, so that the residual cultivation under the transmission case The part is widely cultivated by a horizontal blade, and is inverted by a soil reversal action surface to be leveled.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
1 to 3, reference numeral 1 denotes a rotary cultivator (agricultural working machine). The rotary cultivator 1 is a main body frame 2 made of a hollow pipe having a substantially square cross section extending in a horizontal direction perpendicular to the traveling direction of the machine body. On the other hand, work (mesoculture) units 3 including three work units 3C, 3L, and 3R are arranged at a predetermined interval, and the central work unit 3C is a longitudinal direction of the main body frame 2. The right working unit 3R and the left working unit 3L are attached at the center position, and have fixing / fixing release bolts 4a.・ Attached to the fixing bracket 4. Accordingly, the right working unit 3R and the left working unit 3L can be adjusted to be spaced from the central working unit 3C by sliding left and right along the main body frame 2.
[0011]
A top mast 5 connected to a top link of a tractor (not shown) from the central portion in the length direction of the main body frame 2 to a front side, and a pair of lower link connecting portions 6 connected to a lower link of the tractor on both sides thereof. Is provided. A gear box 7 is attached to the rear side of the main body frame 2, and an outer transmission shaft 8 extends along the main body frame 2 on both the left and right sides from the gear box 7, one of which is a transmission and support case for the central work unit 3C. Power is transmitted through 10 base ends. The outer transmission shaft 8 has a hexagonal cross section and is hollow, and an inner transmission shaft 9 having a hexagonal cross section is fitted into the hollow portion so as to be slidable in the axial direction. The right working unit 3 </ b> R and the left working unit 3 </ b> L are fitted to the base end portions of the transmission / support case 10. The outer peripheries of the outer transmission shaft 8 and the inner transmission shaft 9 are covered with a transmission shaft cover 11 so as to extend and contract. Two input portions 7a and 7b are arranged in parallel on the front side from the gear box 7, and power is transmitted to one of them from the PTO shaft of the tractor.
[0012]
The base end portion of the transmission / support case 10 of the central work unit 3C is supported so as to be able to rotate back and forth around the transmission shaft center 10a with respect to the main body frame 2, and the transmission of the right work unit 3R and the left work unit 3L. The base end portion of the dual support case 10 is supported by the sliding / fixing bracket 4 so as to be able to rotate back and forth around the transmission shaft center 10a. In the central work unit 3C, between the bracket 2a protruding rearward from the main body frame 2 and the transmission / support case 10, and in the right work unit 3R and the left work unit 3L, sliding / fixing brackets are provided. A compression rod 12 is interposed between the bracket 4 b protruding rearward from 4 and the transmission / support case 10. And each work unit 3C, 3R, 3L follows the unevenness by the spring action of the compression rod 12 even if the farm scene has an unevenness during the work.
[0013]
A support member 13 is vertically suspended at the outer end of the sliding / fixing bracket 4, and a gauge wheel holder 14 and a stand holder 15 are attached to the support member 13. The stand holder 15 protrudes laterally from the gauge wheel holder 14, but is located on the inner side of the lateral width of the right work unit 3R and the left work unit 3L. And the gauge wheel 16 which is an apparatus which adjusts the working depth of each work unit 3C, 3R, 3L is supported by the gauge wheel holder 14 with the up-and-down movement grip 16a so that adjustment is possible up and down. Further, a stand 17 is detachably supported on the stand holder 15, and the stand 17 is provided with two casters 18 at the front and rear. Then, with the stand 17 supported by the stand holder 15, the rotary cultivator 1 is almost automatically attached to and detached from the tractor. Moreover, the rotary cultivator 1 is moved alone by the caster 18 and stored in a warehouse, or is loaded onto or unloaded from a transport vehicle via a scaffold plate.
[0014]
The transmission / support case 10 of each of the work units 3C, 3R, 3L has a chain transmission system, and as shown in FIG. 2, protrudes obliquely downward from the rear of the machine body, and a middle tiller rotor is mounted at the lower end thereof. Therefore, a clockwise turning load in FIG. 2 is applied to the sliding / fixing bracket 4 and the main body frame 2 that support the work units 3C, 3R, and 3L. In order to alleviate this load, a support frame 19 is disposed along the main body frame 2 and is brought into contact with the lower edges of the brackets 2a and 4b. Drive shafts 20 project from the lower left and right sides of the transmission and support case 10, and a circular claw mounting flange 21 is fixed to the drive shaft 20, and six middle tilling claws 22 are attached to the claw mounting flange 21. It is attached at equal intervals in the radial direction to constitute a tilled rotor.
[0015]
Further, as shown in FIGS. 4 and 5, the vertical blade 23a is mounted in Zanko processing blade 23 and a longitudinal edge 23a and Yokoha 23b downwardly to the lower end front of the transmission and the support case 10, The plowing under the transmission and support case 10 is processed. The horizontal blade 23b of the afterplow processing claw 23 is disposed at the lower end portion of the vertical blade 23a, a rake face extending obliquely upward to the rear side from the front side in the machine advancing direction, and disposed rearward of the rake face and extending obliquely upward to the rear side. Ri Na provided and soil inversion working surface, and該土inverting action surface that is retracted positioned relative lower end of the transmission case. Further, the soil reversal action surface of the horizontal blade 23b of the residual tillage claw 23 is formed by continuously extending the rake face of the horizontal blade 23b and bending the rear end of the rake face obliquely upward.
[0016]
The upper portion of the middle tiller rotor is covered with left and right upper covers 24 and 24, side covers 27 and 27, and front and rear front and rear covers 30 and 31 from the center. The upper covers 24, 24 can be turned left and right via hinges 25, 25 provided in the center, and the work is selected by adjusting the turning angle by the middle tillage work, the middle tillage / cultivating work. I have to. The angle adjustment can be adjusted in a plurality of stages by the cover angle adjusting device 26. Further, the side covers 27 and 27 are supported on the outer ends of the upper covers 24 and 24 through a hinge 28 so as to be rotatable left and right, and a rotation adjusting tool provided at the end of the rotation shaft of the hinge 28. 29, the rotation angle of the side covers 27, 27 can be adjusted steplessly. The front and rear covers 30, 31 have base ends attached to the rear ends of the upper covers 24, 24 and rotate up and down as the upper covers 24, 24 rotate.
[0017]
Next, operation | movement of the rotary cultivator 1 provided with such a structure is demonstrated.
When the rotary cultivator 1 is attached to and detached from a tractor (not shown), the stand 17 is supported by the stand holder 15 so that it can be attached and detached almost automatically. Moreover, the rotary cultivator 1 can be moved by a caster 18 alone, and can be stored in a warehouse or unloaded from a transport vehicle via a scaffolding board. When the rotary cultivator 1 performs work, the stand 17 is removed from the stand holder 15. The fixing / fixing release bolt 4a is loosened and the sliding / fixing bracket 4 is slid in accordance with the ridge interval of the crop row, and the work units 3R and 3L are moved left and right to set an appropriate work interval. At operation unit 3, the Intertillage rotor, intertillage work of a predetermined width is carried out, the portion serving as a transmission and support case 10 below the Zanko is tilling by the rake face of the lateral edge 23b of Zanko process pawl 23, and, The soil reversal action surface on the rear side of the rake face is reversed and crushed without being obstructed by the lower end of the transmission case, and is finished evenly.
[0018]
When adjusting the working depth of the working units 3C, 3R, 3L, the gauge wheel 16 is moved up and down along the gauge wheel holder 14 and fixed. When only the middle tilling work is performed by the work units 3C, 3R, 3L, as shown in the drawing, the upper and lower upper covers 24, 24, the side covers 27, 27, the front and rear front / rear covers 30, Work with 31 covered. When cultivating the crop stock, the cover angle adjusting device 26 rotates the upper covers 24 and 24 around the hinge 25 to adjust the angle upward. Further, in the side covers 27, 27, the rotation angle is continuously adjusted upward by the rotation adjuster 29 via the hinge 28. When the angles of the upper covers 24 and 24 are adjusted, the front and rear covers 30 and 31 are rotated and adjusted in conjunction with each other.
[0019]
【The invention's effect】
As described above, the residual plowing treatment apparatus for a transmission case according to the present invention has the following effects by including the configurations of claims 1 and 2.
The horizontal blade of the afterplow processing claw is disposed at the lower end of the vertical blade at a rake surface extending obliquely upward from the front side of the aircraft in the traveling direction, and a soil reversal action arranged at the rear side of the rake surface and extending obliquely upward at the rear side. Ri Na provided and the surface, and該土inverting action surface is retracted positioned relative lower end of the transmission case Runode, Zanko portion which has not been tilling by tilling rotor below the transmission case, the rake face of the lateral edge by the tillage is way scooped further been crushed inverted without being obstructed by the lower end portion of the transmission case by soil inversion working surface can be finished in a flat shape. And the residual tilling process of the downward whole area of a transmission case can be performed accurately.
[0020]
The soil reversal action surface of the horizontal blade of the residual tillage claw is formed by continuously extending the rake face of the horizontal blade and bending the rear end of the rake face obliquely upward. It can be cultivated widely with a horizontal blade and inverted by a soil reversal surface to finish it flat.
[Brief description of the drawings]
FIG. 1 is a rear view of an agricultural machine according to the present invention.
FIG. 2 is a side view of the same.
FIG. 3 is a partial plan view of the same.
FIG. 4 is a rear view of the present invention.
FIG. 5 is a side view of the same.
FIG. 6 is a rear view of a conventional example.
FIG. 7 is a side view of the same.
[Explanation of symbols]
1 Rotary cultivator (agricultural equipment)
2 Body frame 2a Bracket 3 Working (medium tilling) unit 3C Central working unit 3R Right working unit 3L Left working unit 4 Sliding / fixing bracket 4a Fixing / fixing release bolt 4b Bracket 5 Top mast 6 Lower link connecting part 7 Gear box 7a, 7b Input unit 8 Outer transmission shaft 9 Inner transmission shaft 10 Transmission / support case 10a Transmission shaft center 11 Transmission shaft cover 12 Compression rod 13 Support member 14 Gauge wheel holder 15 Stand holder 16 Gauge wheel (work depth adjusting device) 16a For vertical movement Grip 17 Stand 18 Caster 19 Support frame 20 Drive shaft 21 Claw mounting flange 22 Middle tillage 23 End tillage processing blade 23a Vertical blade 23b Horizontal blade 24 Upper cover 25, 28 Hinge 26 Cover angle adjusting device 27 Side cover 29 times Dynamic adjustment tool 30, 31 Front / rear cover

Claims (2)

In the residual plowing treatment device of the transmission case in which the tilling rotor is disposed laterally from the lower end of the transmission case, and the residual tillage claw having a vertical blade and a horizontal blade is protruded downward from the lower end of the transmission case,
The horizontal blade of the residual tillage nail is a rake face extending diagonally upward to the rear side from the front side of the machine body in the lower end portion of the vertical blade, and a soil reversal extending rearward and diagonally upward from the rake face. Ri Na provided a working surface and該土inverting action surface Zanko processing apparatus of the transmission case, characterized that you have been retracted positioned relative lower end of the transmission case. The soil reversal action surface of the horizontal blade of the above-mentioned residual tillage claw is formed by continuously extending the rake face of the horizontal blade and bending the rear end of the rake face obliquely upward. Residual tillage treatment equipment for the described transmission case.

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