KR101366738B1 - Mulcher movable in left and right - Google Patents

Abstract

The present invention relates to a laterally movable mulcher. The present invention resolves economic issues of a conventional tractor using a great deal of fuel by moving in various directions to perform work in corners, by providing a mulcher shaft having the mulcher blade of a mulcher for removing weeds towed by a tractor to selectively move to the left or right sides to perform the work in the corners.

Description

Mulcher movable in left and right}

The present invention relates to a mulcher mounted on the rear of the tractor for removing weeds, and more particularly, to a mulch movable from side to side to move from side to side and configured to facilitate weeding at corners.

In general, a mulcher is mounted at the rear of a tractor and the like, and is a device that cuts grass or lumber by receiving power of a tractor, and the prior art has been registered in Korean Patent No. 10-1254943 (Invention: Farm Tractor 3 Points). As in the heater-mounted female work tool, the tractor is equipped with a three-point hitch-type female work tool in the rear area of the tractor to maximize the working efficiency of the tractor by minimizing the working range when the machine is folded to secure sufficient working range in harsh environments such as slopes. And, to move to another area, the speed of work is fast, because the work area is configured to improve the work capacity is wide, and also in the front of the driving unit as in Patent No. 10-0721008 (name of the invention: disc-type mower) Arranging the first plate and the second plate at the bottom and arranging the weeding disc at the bottom of each plate In particular, the second plate is designed to be able to rotate back and forth and up and down so that weeding can be performed efficiently even in the area where the second plate is mixed with the plain and the hill, such as an orchard, and sloped. Disc type mowers are provided that transmit power to a weeding disc by a motor and allow for continuous transfer of power even with a change in position between the first and second plates.

However, the prior art provided in this way is equipped with a tractor can be folded and unfolding work, it is possible to work in a large area weeding, and also efficient weeding work even in areas with mixed flats and hills, such as orchards and slopes It is configured to be able to rotate back and forth and up and down so that they can be moved, and they are made of a structure that cannot move left and right themselves, and it is inconvenient to work while moving the tractor and disc-type mowers in various directions when working on corners. As a result, not only the workability is deteriorated but also a lot of fuel is consumed, resulting in an uneconomic problem.

The present invention has been made to solve such a conventional problem, the object of the present invention is to move the mulch to the left and right to provide a mulch movable to the left and right to improve the workability by easy weeding work on the corner. There is.

The problem solving means of the present invention for achieving the above object is provided with a vertical, maintaining a gap, a pair of vertical members provided with a reinforcing plate in the lower inner; Horizontal reinforcing bars for both ends are horizontally fixed between the front and rear of the vertical member and the horizontal reinforcing bar for reinforcing the vertical member, and the front and rear is fixed between the horizontal reinforcement, both ends are located between the vertical member and the mulch blade is located in the lower region Mulcher blade house consisting of; A mulch shaft rotatably arranged between a lower portion of the vertical member of the mulcher blade house and provided with a plurality of mulcher blades; And a left and right moving apparatus for moving the vertical member, the mulcher blade house, and the mulcher shaft to the left and right in the upper region of the mulcher blade house.

According to the present invention, it is possible to easily move to the left or right side of the mulch shaft provided with a mulch blade to remove the weeds to remove the weeds to facilitate the work on the corner portion, while moving the conventional tractor in several directions By working on the site, it is possible to solve the uneconomical problems such as high fuel consumption, and provide the effect of rapidly weeding over a large area.

1 is a configuration of the state equipped with a mulch movable to the left and right in the tractor according to the invention.
2 is a perspective view of the mulch movable left and right according to the invention.
Figure 3 is a front configuration diagram of the mulch movable left and right according to the invention.
4 is a sectional view taken along the line AA in Fig.
5 is a cross-sectional view taken along line BB of FIG. 3.
Figure 6 is a perspective view showing a moving means constituting the left and right moving device of the mulch movable left and right according to the present invention.
7 is a perspective view showing a power transmission unit of the mulch movable left and right according to the invention.
Figure 8 is a perspective view of the main part showing the multiplexer shaft rotation device and tension control means of the mulch movable in accordance with the present invention.
Figure 9a, Figure 9b is a configuration diagram of the operating state of the mulch movable left and right in accordance with the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the accompanying drawings, Figure 1 is a block diagram of a mulch movable state left and right in the tractor according to the present invention, Figure 2 is a perspective view of the mulch movable left and right according to the present invention, Figure 3 according to the present invention 4 is a cross-sectional view taken along line AA of FIG. 3, FIG. 5 is a cross-sectional view taken along line BB of FIG. 3, and FIG. 6 is a left and right movement device of the mulch movable according to the present invention. Figure 7 is a perspective view showing a moving means constituting, Figure 7 is a perspective view showing a power transmission unit of the mulch movable left and right according to the present invention.

As shown in Figures 1 to 7 the mulch movable in the left and right according to the present invention is provided with a vertical vertically maintaining an appropriate interval, a pair of vertical members 10, 11 provided with a reinforcing plate 13 in the inner lower portion. )Wow; Both ends are horizontally fixed between the front and rear of the vertical members 10 and 11, and the front and rear sides are fixed between the horizontal reinforcing bars 22 and the horizontal reinforcing bars 22 to reinforce the vertical members 10 and 11. A mulcher blade house 20 formed of an arcuate blocking plate 24 having both ends positioned between the vertical members 10 and 11 and having the mulcher blade 31 positioned in the lower region; A mulch shaft 30 rotatably arranged between the lower portions of the vertical members 10 and 11 in the lower portion of the mulcher blade house 20 and provided with a plurality of mulch blades 31; It is provided in the upper portion of the mulcher blade house 20 is composed of a left and right moving device 40 for moving the vertical member 10, 11, the mulcher blade house 20 and the mulcher shaft 30 to the left and right.

At this time, the mulcher blade 31 is installed to rotatably cross itself on the outer periphery of the mulcher shaft (30) is to work weeding.

The left and right moving device 40 includes hydraulic rods 41 and 42 having both ends mounted between the front and rear of the vertical members 10 and 11 at the bottom of the mulcher blade house 20, and the hydraulic rods 41 and 42. A moving means (45) consisting of hydraulic cylinders (43) (44) coupled to each other so as to be movable on the periphery; A hydraulic shutoff bracket 46 of which the hydraulic cylinders 43 and 44 of the moving means 45 are horizontally mounted as the mounting brackets 43b in the lower front and rear, and the power transmission unit 50 is mounted on the front upper portion; Both ends protrude between the upper portions of the vertical members 10 and 11 and are rotatably arranged, and a central rotation movement shaft 48 in which a central region penetrates the power transmission unit 50 horizontally and is inserted to be movable left and right. Is done.

At this time, the hydraulic cylinders 43 and 44 are provided with hydraulic lines 43a and 44a for supplying and discharging the hydraulic pressure from the hydraulic device (not shown). In addition, the finishing blocking bracket 46 has a stepped portion 46a formed at the front upper region, the power transmission unit 50 is mounted at the central region, and the front hydraulic cylinder 43 is mounted at the lower region 43b. Mounted).

The power transmission unit 50 and the gear box 52 mounted to the step portion 46a of the closing block bracket 46; A front bevel gear 54 rotatably built in the gearbox 52 and having a joint shaft 53 to which power of the tractor is transmitted to the front; A hollow rotation shaft 56 rotatably arranged to the left and right sides of the gear box 52; It is constructed on the left or right side of the hollow rotating shaft 56 and consists of side bevel gears 58 engaged with the front bevel gear 54.

At this time, the hollow rotating shaft 56 is rotatably arranged as a rotary bearing 55 to the left and right sides of the gear box 52, the side bevel gear 58 is engaged with the front bevel gear 54 on the left or right outer periphery It is built up and the power of the tractor is transmitted, the polygonal hole (56a) is formed therein is rotated by the polygonal rotation movement axis (48) is coupled, the polygonal rotation movement axis (48) during the operation of the left and right movement device (40) It does not rotate and moves left and right.

On the other hand, as shown in Figure 8, between the multiplexer shaft 30 and the polygonal rotary movement axis 48 is provided with a multiplexer shaft rotation device 60 for rotating the multiplexer shaft 30 by the power of the tractor.

The mulcher shaft rotating device 60 includes an upper pulley 62 rotatably arranged at both ends of the polygonal rotation moving shaft 48; Rotation connecting shafts 63 mounted horizontally at both ends of the mulcher shaft 30, both ends protruding below the vertical members 10, 11, and rotatably built up; Lower pulleys 64 arranged on both ends of the rotary connection shaft 63 to correspond to the upper pulleys 62; It is composed of a belt 66 connected between the upper pulley 62 and the lower pulley 64 to rotate the multiplexer shaft 40.

Tension adjusting means 70 for adjusting the tension of the belt 66 is provided outside the vertical members 10 and 11 between the upper and lower pulleys 62 and 64.

The tension control means 70 is a horizontal fastener 72 is fastened and fixed to the outside of the vertical member (10) (11); A rotation lever 74 in which a central region is rotatably arranged in the horizontal fixture 72; It consists of a rotary roller 76 rotatably arranged as a rotary shaft 75 in the lower portion of the rotary lever 74.

At this time, the rotary lever 74 is formed through the pivot hole (74a) in the center area is tightly coupled to the horizontal fixture 72 is rotated when an external force is applied, the separation is prevented by the snap ring (72a), The rotating shaft 75 is fixed to the shaft and does not rotate, and the rotating roller 76 rotates.

On the other hand, the cover 80 is provided on the outside of the vertical member (10) (11), respectively, to conceal the mulch-axis rotation device 60 and the tension adjusting means (70).

An operation state of the mulch movable left and right according to the present invention configured as described above will be described.

When the tractor is operated for weeding in a state where the mulch is mounted in the rear region of the tractor 1 as shown in FIGS. 1 to 4, the power of the tractor is transmitted to the joint shaft 53 of the power transmission unit 50. The front bevel gear 54 in the gear box 52 is rotated, the rotational force is transmitted to the side bevel gear 54 engaged with the front bevel gear 54, the rotation bearing 55 to the gear box 52 As a result, the hollow rotating shaft 56 rotatably constructed is rotated (see FIG. 5).

Accordingly, the central region is coupled to the polygonal hole 56a of the hollow rotation shaft 56, and the polygonal rotation movement long shaft 48 rotatably arranged between the upper ends of the vertical members 10 and 11 is rotated. The upper pulley 62 rotatably arranged at both ends of the polygonal rotation movement shaft 48 is rotated, and the lower pulley 64 is connected by the belt 66 connected between the upper pulley 62 and the lower pulley 64. As the rotational force is transmitted, as the rotary connecting shaft 63 rotates, the mulcher shaft 30 rotates so that the weeding operation is made by a plurality of mulcher blades 31 alternately rotatably arranged on the outer circumference. (See Figures 2 and 8)

As described above, the driver moves the mulcher blade 31 from the ground and then operates the left and right movement device 40 to perform the weeding operation of the corner portion as the mulcher.

 As shown in FIGS. 9A and 9B, the hydraulic pressure of the tractor hydraulic device is supplied and discharged into and out of the hydraulic cylinders 43 and 44 through the hydraulic lines 43a and 44a. The combined hydraulic rods 41 and 42 are moved to the left or the right side (see FIG. 6).

At this time, the power transmission unit 50, the closing block bracket 46 is mounted to the power transmission unit 50, the hydraulic cylinders 43, 44 mounted on the front and rear lower portion of the closing block bracket 46 is the tractor (1) It becomes connected to and does not move.

At the same time, both ends of the hollow rotating shaft 56 is rotatably arranged between the upper portion of the vertical member (10) (11), the central region is rotatably arranged in the gearbox 52 of the power transmission unit (50). As the polygonal rotation movement axis 48 coupled to the polygonal hole 56a moves left and right along the polygonal hole 56a of the hollow rotation shaft 56, the vertical members 10 and 11 and the mulcher blade house 20 are moved. ) And the mulcher shaft 30 is to be moved to the left and right together to proceed with the weeding operation for the corner portion.

On the other hand, in order to adjust the tension of the belt 66 constituting the mulcher shaft rotating device 60 for transmitting the rotational force of the tractor in the continuous operation of the mulcher, the cover provided on the outside of the vertical member (10) (11) After removing the 80, the rotation lever 74 constituting the tension adjusting means 70 is rotated in the direction of the arrow as shown in Figure 8, it is tightly coupled to the horizontal fastener 72 as a rotating hole (74a) The rotary lever 74 is rotated in the direction of the arrow so that the rotating roller 76, which is fixed by the lower rotating shaft 75, is separated from the belt 66 and the tension of the belt 66 is loosened.

In this state, when the rotary lever 74 is rotated in the opposite direction to the arrow, the rotary lever 74 tightly coupled to the horizontal fixture 72 as the pivot hole 74a is rotated in the opposite direction to the arrow to rotate the lower rotation shaft 75. The rotating roller 76 fixed to the shaft moves to the belt 66 side and pushes the belt 66 to the outside so that the belt tension is tightly adjusted (see FIG. 8).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. .

10,11 vertical member 13 reinforcement plate
20: Mulcher blade house 22: horizontal reinforcement bar
24: arch block 30: mulch axis
31: mulcher blade 40: left and right moving device
41,42: Hydraulic rod 43,44: Hydraulic cylinder
45: moving means 46: closing block bracket
46a: step portion 48: multi-axis rotary movement axis
50: power transmission unit 52: gearbox
53: joint shaft 54: front bevel gear
55: rotating bearing 56: hollow rotating shaft
56a: polygonal hole 60: mulcher shaft rotation device
62: upper pulley 63: rotary connecting shaft
64: lower pulley 66: belt
70: tension control means 72: horizontal fixture
74: rotation lever 75: rotation axis
76: rotating roller

Claims (6)

A pair of vertical members 10 and 11 provided vertically with a spacing therebetween and provided with a reinforcing plate 13 at an inner lower portion thereof;
Both ends are horizontally fixed between the front and rear of the vertical members 10 and 11 so that the horizontal reinforcing bar 22 and the horizontal reinforcing bar 22 are fixed to reinforce the vertical members 10 and 11. The mulcher blade house 20 is composed of an arcuate blocking plate 24, both ends of which are positioned between the vertical members 10 and 11 so that the mulcher blade 31 is located in the lower region.
A mulch shaft 30 rotatably arranged between the lower portions of the vertical members 10 and 11 in the lower portion of the mulcher blade house 20 and having a plurality of mulcher blades 31; And
A left and right moving device (40) provided at an upper region of the mulcher blade house (20) for moving the vertical members (10) (11), the mulcher blade house (20) and the mulcher shaft (30) from side to side;
Mulcher movable left and right, characterized in that configured to include. The apparatus of claim 1, wherein the left-right moving device (40)
The hydraulic rods 41 and 42 having both ends mounted between the front and rear of the vertical members 10 and 11 in the lower portion of the mulcher blade house 20 and the hydraulic rods 41 and 42 are coupled to each other so as to be movable. A moving means 45 consisting of hydraulic cylinders 43 and 44;
A hydraulic shutoff bracket (46) of which the hydraulic cylinders (43) (44) of the moving means (45) are horizontally mounted as a mounting bracket (43b) at the front and rear of the lower part, and the power transmission unit (50) is mounted on the front upper part;
Both ends protrude between the upper portions of the vertical members 10 and 11 and are rotatably arranged, and a central rotation movement shaft 48 in which a central region penetrates the power transmission unit 50 horizontally and is inserted to be movable left and right. Mulcher movable from side to side, characterized in that consisting of. The method of claim 2, wherein the power transmission unit 50
A gear box 52 mounted on the stepped portion 46a of the finish blocking bracket 46;
A front bevel gear 54 rotatably built in the gearbox 52 and having a joint shaft 53 to which power of a tractor is transmitted to the front;
A hollow rotation shaft 56 rotatably arranged to the left and right sides of the gear box 52;
The left and right sides of the hollow rotating shaft 56, the side bevel gear 58, characterized in that composed of the side bevel gear (58) meshing with the front bevel gear (54). The method of claim 3, wherein the hollow shaft 56 is
Rotating to the left and right sides of the gear box 52 is rotatably arranged as a rotation bearing 55, a polygonal hole (56a) is formed therein, the polygonal rotation movement axis (48) is coupled to rotate, the left and right movement device (40) At the time of operation of the multi-rotational movement long axis 48, the left and right movable mulcher, characterized in that to move left and right without rotating. According to claim 1, Wherein between the multiplexer axis 30 and the multi-axis rotational movement axis 48 is provided with a multiplexer shaft rotation device 60 for rotating the multiplexer shaft 30 by the power of the tractor,
The mulcher shaft rotating device 60
Upper pulleys 62 respectively rotatably arranged at both ends of the polygonal rotational moving shaft 48;
A rotary connection shaft 63 mounted horizontally at both ends of the mulcher shaft 30 and protruding at both ends of the vertical members 10 and 11 so as to be rotatable;
Lower pulleys 64 arranged on both ends of the rotary connection shaft 63 to correspond to the upper pulley 62;
The movable muller movable left and right, characterized in that consisting of a belt 66 is connected between the upper pulley (62) and the lower pulley (64) for rotating the mulcher shaft (40). According to claim 5, Tension control means for adjusting the tension of the belt 66 is provided on the outside of the vertical member 10, 11 between the upper, lower pulleys 62, 64,
The tension control means 70
Horizontal fasteners 72 fastened to the outside of the vertical members 10 and 11;
A rotation lever 74 in which a central region is rotatably arranged in the horizontal fixture 72;
Left and right movable portion of the rotary lever 74, characterized in that it consists of a rotary roller 76 rotatably arranged as a rotary shaft (75).

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