JP2006271310A - Weeder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem wherein a conventional weeder for weeding a furrowed field is insufficient in workability, because of weeding only one side of a ride or furrow and being therefore needed to repeatedly reciprocate on the field. <P>SOLUTION: This weeder (10) has weeding rollers (2, 2) which are placed on ridges or in furrows and rotated to pull out or dig out weeds planted on the ridges or in the furrows. A rotator (16) for twining off weeds growing on the ridge with projected pieces (18) placed on positions facing the ridge is projectedly disposed on the rotation shaft (8a) of the weeding roller (2). The rotator comprises a spiral member formed by spirally winding a linear rod or a belt plate. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a configuration of a weeding machine for weeding weeds while turning along a field fence.

Conventionally, in a weeding machine for weeding a field with ridges, as shown in Japanese Patent Application Laid-Open No. 2000-316309, a saddle type roller is grounded and rotated, and a large number of bars constituting the outer periphery of the roller are used for topsoil. It is known that weeds are extracted from the roots and weeded by drilling shallowly.
JP 2000-316309 A

  However, although the conventional weeding machine is suitable for weeding in a field with extremely low ridges, or in a flat field, for example, in a field with high ridges close to the axis of the roller, Weeding on the ridge was not possible.

  An object of the present invention is to embody a weeder that can easily perform the weeding work on the upper part of the ridge even with the above-described high ridge.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 is a weeding machine provided with a roller member (2) for removing weeds that grow in a gutter groove or excavating it from the root by rotating by positioning in the gutter groove, A weeding machine characterized in that a rotating member (16) is provided on the outer surface of the rotating shaft (8a) of the roller member (2) so as to project the weeds that grow on the upper surface of the rod. did.
(Operation of claim 1)
In the weeding machine according to claim 1 configured as described above, when the roller member (2) is rotated along the groove between the ridges (U), the weeds that the outer peripheral portion of the roller member (2) grows in the ridge groove ( g) Weeds are extracted or excavated from the roots to weed, and weeds (g) grown on the upper surface of the reed are entangled by the rotating member (16) positioned on the upper surface of the reed.

According to a second aspect of the present invention, there is provided the weeding machine according to the first aspect, wherein the rotating member is constituted by a spiral body (19) in which a wire rod or a strip is spirally wound.
(Operation of claim 2)
In the weeding machine of claim 2 configured as described above, by rotating the spiral body (19) on the upper surface of the reed (U), the entangled weeds (g) are pulled out while making the left and right feed function by the spiral work.

  According to the first aspect of the present invention, weeds (g) grown in the gutter groove can be weeded by the rotation of the roller member (2), and the roller member (2) rotates outward of the rotation shaft (11). By projecting the body (16) and rotating it at the same time, weeds (g) grown on the reed (U) can be weeded, so that work efficiency is good.

  According to the invention of claim 2, since the rotating body is constituted by the spiral body (19), the weed (g) entangled with the spiral is moved in the left-right direction by the rotation of the spiral. As compared with the rotating member (16), the herbicidal effect is improved.

Hereinafter, based on the drawings, a description will be given of a configuration in which the present invention is provided in a high-floor tractor for field management (hereinafter referred to as a riding management machine).
1 and 2 show a passenger management machine, which includes left and right front wheels 2 and 2 at a front portion of a vehicle body 1 and left and right rear wheels 3 and 3 at a rear portion of the vehicle body. The engine E is mounted in the bonnet 4 at the front of the vehicle body, the rotational power of the engine E is transmitted to the transmission in the transmission case, and the rotational power decelerated by the transmission is transmitted to the front and rear wheels 2, 3. It is the composition to do.

  Further, in a side view, a cockpit 5 is installed on the step floors 38 between the front and rear wheels 2 and 3, and the left and right front wheels 2 and 2 and the left and right rear wheels 3 and 3 are steered in front of the cockpit 5. A steering handle 6 for steering is provided. The rear portion of the vehicle body 1 is provided with a weeder (hereinafter referred to as a weeding rotor 10) of the present invention via a work machine link mechanism R so as to be movable up and down.

  As shown in FIG. 3, the weeding rotor 10 has a cylindrical case 7 that is supported by a horizontal tool bar 48, and a cylindrical shaft that is detachably attached to a drive shaft 8a and a coaxial shaft 8a that are rotationally driven at the lower portion of the chain case 7. A rotor shaft 11, inner and outer ring members 12 and 12 supported by the rotor shaft 11, a plurality of weeding blades 13 and 13 connected laterally across the left and right ring members 12 and 12, and the outer It is comprised from the cylindrical rotary body 16 etc. which protrude in the outer side part of the ring member 12, and becomes a structure provided with two or more according to the space | interval of the collar U with respect to the said toolbar 48. FIG. In the example shown in the figure, the three weeding rotors 10, 10, 10 are attached to the link mechanism R via a tool bar 48 so as to be movable up and down. Moreover, the outer side part of each said weeding blade 13 becomes the shape curved according to the shape of the ridge.

  The rotor shaft 11 transmits the rotational power of the PTO shaft of the passenger management machine to the transmission chain 9 in the chain case 7, and the rotation of the chain 9 is integrated with the drive sprocket 8 at the lower center of the case 7 and this. The drive shaft 8a is transmitted and driven.

  As shown in FIG. 4, the weeding rotator 16 includes, as a first embodiment, a bracket 21 attached to an arm that supports the outer ring member 12, and the weeding rotor 10 attached to the bracket 21. A cylindrical drum 17 projecting outward from the same axis as the shaft 11, and a plurality of projecting pieces 18, 18... Arranged in a spiral shape on the outer periphery of the drum 17.

  In the weeding rotor 10 configured as described above, the rotor 2 is positioned in the trough groove, and the drum 17 is positioned on the top surface of the trough U and moved while rotating together with the rotor shaft 11 and the blade 13, thereby removing the weeding blade. 13 digs up the surface soil of the dredging groove shallowly to weed g, and winds the weed g on the ridge U with the protruding pieces 18, 18.

  As a result, weeds grown between the upper surface of the ridges U set up in the field and the ridges can be weeded simultaneously, so that work efficiency is good. Further, since the protruding pieces 18 are arranged in a spiral shape with respect to the drum surface, the entwined weeds are pulled out by moving in the lateral direction, so that the weeding effect can be improved.

  In the above embodiment, the drum 17 and the projection piece 18 attached to the drum 17 are made of an elastic member such as rubber, so that weeds g can be easily wound and the ridge U surface is not cut. Moreover, even if it touches the planted crop G which has taken root, since it is elastically displaced, the crop is not damaged.

In the second embodiment, as shown in FIGS. 5 and 6, the weeding rotator 16 is configured by a spiral body 19 in which a linear member is spirally wound.
Thereby, in addition to the above-mentioned effect, the feed function in the left-right direction is activated by the rotation of the spiral body 19, and weed entry into the weeding rotor 10 is prevented by promoting weed removal in the left-right direction, specifically the outward direction, Labor-saving cleaning work can be saved.

Further, since the outer portion of the spiral body 19 is formed as a hollow portion as shown in the figure, it is possible to prevent the weeds of the spiral body 19 itself from being entangled as much as possible.
The spiral body 19 is configured to be mounted on the arm of the outer ring member 12 via the support cylinder 20 to which the spiral body 19 is attached and the bracket 21 similar to the above, and the position, the diameter, etc. are the same as those of the first embodiment. It is the same as the body 16.

Next, the overall configuration of the weeding rotor 10 will be described in detail.
As shown in FIGS. 7 and 8, a weeding body 22 that prevents weeds from entering between the left and right weeding rotors 10 and 10 sandwiching the chain case 7 is provided in front of the weeding rotor 10. The support stay 23 of the weeding body 22 is detachably attached to the lower part of the chain case 7 with bolts. Accordingly, the weeds g between the furrows are pushed outward by the weeds 22, so that the weeding effect is improved. In particular, the weeds g do not accumulate near the lower part of the chain case 7, so the weeding effect by the weeding rotor 10 is improved. Can be increased.

  FIGS. 9 and 10 are views showing another embodiment of the weeding rotor 10, in which a scraper 24 having a sharp blade 24 a at the lower end is provided behind the weeding rotor 10 in the cover 25 covering the upper side of the roller 2. Yes.

As a result, the remaining leaves that are entangled inside the weeding rotor due to poor cutting of the grass can be cut out by the blade portion 24a of the scraper 24, and entanglement of the rotor can be prevented.
Further, as shown in FIG. 10, the grass member 15 and the chain case 7 that connect the ring member 12 and the bearing boss part 14 prevent grass from entering between the spoke member 15 and the chain case 7. Tools 30 and 31 are provided. One grass intrusion prevention tool 30 is configured integrally with the spoke member 15, and the other grass intrusion prevention tool 31 is configured to be fastened together with a fastening bolt 32 of the chain case 7.

  In the past, when grass was entangled with the weeding blade, it could not be discharged and the grass was entangled between the weeding blade and the chain case, resulting in overloading and a reduction in efficiency. can do.

Next, the configuration of the passenger management machine will be described with reference to the drawings.
In the passenger management machine, as shown in FIG. 11, the oil tank 36 of the hydrostatic continuously variable transmission T is installed in the lower right part of the main frames 37, 37, outside the oil tank 36, and The battery 40 is supported on the inner side of the sub-steps 39 and 39 projecting outward from the step floor 38 via a bracket 41a. A battery cover 41 b is provided on the upper part of the battery 40. Conventionally, since the battery is installed at the lower part of the main frame 37, maintenance is not easy and the work efficiency is reduced. In this example, the battery 40 is installed at the upper part of the sub-steps 39 and 38. Since the battery position corresponds to the outermost position of the machine body, the maintenance work can be easily performed, and the burden on the operator can be reduced.

  12 to 14 show a paddy field weeding machine to be attached in place of the weeding rotor 10. The paddy field weeding rotor 43 that weeds by an outer circumferential claw 43 a while grounding on the paddy field between the strains and moving around. The plant is composed of a weeding wheel 44, 44 and the like that removes grass near the stock by approaching the stock from the left and right. In particular, the stock weeding wheels 44, 44 include a conical drum 45 and a weeding net (wire net) 46 that is stretched around the outer periphery of the conical drum 45 with a predetermined space S therebetween. The stock weed wheels 44, 44 are arranged in a reverse C shape when viewed from the front, and the weed net 46 is scraped off by the weeding net 46 while rotating the stock exchange. Reference numeral 47 is a spike that pierces the field, 48 is a tool bar, and 49 is a bearing support rod.

The side view of a passenger management machine. FIG. The front view of the principal part of a weeding machine. The perspective view of a weeding rotary body. The front view of the principal part of a weeding machine. The front view of a weeding rotary body. A side view of a weeding machine. The top view of a weed body. The side view of the principal part of a weeding machine. The front view of the principal part of a weeding machine. (A) Front view in the vicinity of a step. (B) A plan view near the step. (C) Side view of the vicinity of the step. A side view of a paddy weeder. The perspective view of a stock weeding wheel. (A) Rear view of paddy field weeding machine. (B) Plan view of a paddy weeder.

Explanation of symbols

2 Roller 8 Sprocket 8a Drive shaft 10 Weeding machine (Weeding rotor)
11 Rotor shaft 12 Ring member 13 Weeding blade 16 (Weeding) Rotating body 17 Drum 18 Projection piece 19 Spiral body

Claims (2)

A weeding machine provided with a roller member (2) for removing weeds growing in a gutter groove by exchanging or weeding from the root by rotating in a gutter groove, the rotation shaft of the roller member (2) ( 11) A weeding machine characterized in that a rotating member (16) is provided on the outer surface of 11) so as to project the weeds that grow on the upper surface of the reed. The weeding machine according to claim 1, wherein the rotating member is constituted by a spiral body (19) in which a wire rod or a strip is spirally wound.

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