WO1993004574A1 - Mowing machine, structure thereof for discharching mowed grass, and structure for replacing rotary weeder - Google Patents

Mowing machine, structure thereof for discharching mowed grass, and structure for replacing rotary weeder Download PDF

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Publication number
WO1993004574A1
WO1993004574A1 PCT/JP1992/000540 JP9200540W WO9304574A1 WO 1993004574 A1 WO1993004574 A1 WO 1993004574A1 JP 9200540 W JP9200540 W JP 9200540W WO 9304574 A1 WO9304574 A1 WO 9304574A1
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WO
WIPO (PCT)
Prior art keywords
weeding
blade
mowing
back blade
grass
Prior art date
Application number
PCT/JP1992/000540
Other languages
French (fr)
Japanese (ja)
Inventor
Masaru Tsuda
Original Assignee
Masaru Tsuda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Masaru Tsuda filed Critical Masaru Tsuda
Priority to US08/098,318 priority Critical patent/US5402629A/en
Publication of WO1993004574A1 publication Critical patent/WO1993004574A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/52—Cutting apparatus

Definitions

  • the present invention relates to a mowing machine in which a weeding rotary body constituted by providing a weeding plate with a back blade having a back blade formed between a large number of projecting pieces on the outer periphery of a rotating body is driven by a prime mover.
  • the structure that removes weeds from the body and weeds out of the machine ensures continuity of operation time of weeding operation, and furthermore, the simultaneous replacement of multiple weeding blades with back blades allows maintenance, change of work contents, and repair Weeding mixed in grass at golf courses, gardens, etc. by slow rotation, cutting grass while leaving the grass, and cutting at high speed, grass and weeds at high speed. It is a technology to prevent the spraying of pesticides. Background art
  • This equipment cannot completely remove long cut grass or grass pieces by the rotating wind, and rotates the weeding board at a speed that does not cut the grass, so that the grass pieces gradually stick to the projections and back blades. Therefore, it is difficult to continue the mowing work by lowering the rotation speed.
  • short prongs have the disadvantage of reducing the effect of loosening the lawn in the lawn and losing the work of hanging the thick and hard target stems, which are rarely mixed, to float the roots.
  • the preferred working speed of weeding boards is not clear.
  • Similar devices include lawn mowers and disc blade type mouth mowers, but they can selectively use soft grass in the lawn! It is not a device of the same kind because it has no function at all, but in other words, it is possible to remove multiple weeding boards from the weeding rotating body at the same time, or to remove the weeds during the mowing rotation. There was no proposal and no need for it. Because the lawn is usually the thinnest and softest in the grass, but the hard outer skin is hard to cut, so when we hit a high-speed cutting blade directly, weeds and lawns that are already attached to the front edge of the blade are themselves. Pushing, cutting and scraping before the self occurs, and the action is continuous during the work rotation, so sticking and entanglement could be ignored during the sharp working period of the cutting blade. .
  • a hedge trimmer is mainly used for pruning a tree, and a small one is used for pruning a small area.
  • the method of use is to determine the lower part of the upper and lower two mowing boards,
  • the reciprocating motion is repeated at right angles to the direction of travel of the mowing plate.
  • both sides of the inner side of the protruding piece are formed as side blades, and 3 the foliage that has entered between the protruding pieces is the side of the upper and lower mowing boards. It is cut off with leaves, and the back blade facing the direction of travel does not cut foliage alone. Also, in the direction of travel, it is only the speed of swinging by hand to the left and right. It does not apply cutting force to foliage at a considerable speed in front of the back blade at about 8 US per second.
  • the apparatus of PCT / JP, 89Z01206 and the mower of the present invention have functional, action, and effect functionalities as compared with any other mower, lawn mower, or hedging trimmer. There is no overall commonality in any of the objectives, etc. Disclosure of the invention
  • the present invention relates to a plurality of protruding pieces formed in parallel and having a width capable of maintaining strength by using a plate material for a cutting tool such as a steel sheet or a stainless steel sheet as a main material, and a distance between the protruding pieces.
  • a plate material for a cutting tool such as a steel sheet or a stainless steel sheet as a main material
  • a distance between the protruding pieces At least one half or more of the weeding board with the deep blade provided with the deepest part of the deep blade inside is connected to the prime mover mounted on the vehicle body, which supports the rotating weeding body, which is provided on the outer periphery with one or more of the deep blade weeding board.
  • the lowest level of the outer periphery of the weeding rotating body is configured to be adjustable to a predetermined height above the ground, and the weeding structure is used to cut grass efficiently to ensure weeding, thereby ensuring continuity of weeding operation.
  • the weeding structure is used to cut grass efficiently to ensure weeding, thereby ensuring continuity of weeding operation.
  • the front edges of the plurality of protruding pieces are formed on a strong protruding end or a front blade having a wedge-shaped cross section, and the back blade is sharp, and the turf leaves are directly in contact with the back blade between the protruding pieces to facilitate cutting.
  • the protrusion it is preferable to provide the protrusion at a depth of about half or more of the width between the projections.
  • the front blade is facing up and the back blade is facing down, the front blade is worn down and shortened, so even if it is shallow, the front edge of the back blade is retracted by polishing only the lower surface of the back blade to increase the depth.
  • this weeding board with a back blade that can be recovered and the front blade is formed with a predetermined width, the lawn is soft and the skin is hard at low speed, so the lawn in front of the front blade is pushed down, The grass in front of the back blade comes off the grass immediately in front of the back blade, making it easier to touch the back blade immediately, and weeds such as thick and hard stems and wide leaves are also caught between the protruding pieces. If the root is exposed, it is cut by a weeding board with a back blade that follows the root.
  • this weeding board protects the back blade because the front blade is larger than the gap between the protruding pieces, and protects the back blade. Because of the erosion, it can also be used as a technological effect. At higher speeds, lawn mowing can be done.
  • the minimum level of rotation of the weeding board with the back blade is mainly due to the adjustment of the height of the wheels from the viewpoint of work efficiency.
  • the weeding board with a back blade described above is provided on the weeding rotary body at a multiple of 2, the position of one of the adjacent two protruding pieces of the weeding board at the time of rotation is set to the other back blade. If the weeding rotator is installed in line with the rotation position, the width of the back blade is wider than the width of the front blade even if two weeding boards are used. So that there is no leftover However, it is desirable to install it so that the entire cutting surface can be covered with the back blade.
  • weeding tools that can be attached to the vehicle body by bringing them closer to the outer peripheral surface of the weeding plate with the back blade provided on the outer periphery of the weeding rotary body, It is a grass-wiping tool that comes in contact with the outer peripheral surface of a weeding board with a back blade and scrapes off the sticky grass pieces.
  • the grass sticking does not increase the size, so long-term continuous work is possible.
  • the weeding implement is provided at a low position on the front side of the mowing, since the object is pushed and tilted, so that the blade becomes difficult to bite when hitting the back blade.
  • the cut grass is not obstructed from being blown from above by the rotating wind to the weed collector, and it is preferable that the grass cutter is provided at least at a position higher than the rotation axis of the weeding rotator.
  • the work may be performed by changing the front and rear of the vehicle body. Since the collection of the object is performed in two directions, the grass is cut above the rotating weeding body. If an exclusion space is provided, a grass mower is provided below the space, a prime mover is provided above, and mowing tools communicating with the space are provided at the front and rear, so that the mowing can be performed on the mowing tool in a direction opposite to the direction of rotation. Gathering If these weeds are detachably constructed and installed, they can be used to speed up the process of mowing, they are easy to clean, and when they are in operation they have both the weeding and lawn mowing effects:
  • the position of the weeding wall that separates the air path during weeding due to the rotating wind force of the weeding rotator is different for each of the forward and reverse rotations.
  • We need a weeding wall In the up-cut system, the forward rotation of the weeding rotator requires a wide weeding space between the outer circumference of the rotator and the weeding wall in the forward direction, and a wide airspace that is defined upward is required.
  • the rear weeding wall preferably has a small gap with the outer periphery of the weeding rotating body, that is, the guiding air space for cutting grass, the rear weeding wall should be closer to the outer periphery of rotation.
  • This movement is preferably performed by integrally fixing the front and rear weeding walls to the rotating support, so that the rotating weeding body is constituted, and a means for rotating and fixing to the predetermined position before or after is provided.
  • a reel-type weeding rotary body is integrally defined with a support shaft provided with supports and one or more mounting tools on a plurality of weeding plates.
  • the weeding rotator which is divided into two weeding rotators and can be attached to and detached from the support shaft while being engaged with the support, cuts the shaft hole of the fixture fixed to the weeding plate between the cutting plates.
  • the weeding rotator should be narrow and open at least with the shaft width outward, or it should be composed of a plurality of weeding rotators, and the corresponding pegs of the attachments provided for each weeding rotator should be tightened. Cleaning and maintenance, polishing, repair, change of use, and use of an appropriate blade can be performed easily and easily even at the work site with the replacement structure of the weeding rotating tool that is worn.
  • the rotary mower in the lawn of one type of the present invention supports the weeding board at both ends where the most force is applied, so that the load on the strength of the weeding board can be reduced and the blade can be made thin. Also, since the periphery of the rotor support disk is slightly overhanged over the entire circumference, the cut grass does not run upward, and the grass sticks to the shaft. Absent. It also has the effect of creating a weeding airspace in the area where the scart width is short.
  • the motor is cited as the prime mover, it is obvious that another prime mover, for example, an internal combustion engine may be used.
  • the desired work can be performed by controlling the weeding speed of the weeding board using a motor controller, an accelerator and a clutch, a continuously variable transmission, or the like.
  • Fig. 4 from Fig. 1 is an upper example of a weeding board with a back blade.
  • Figure 1 is a bottom view of one example
  • Figure 2 is a bottom view of one example
  • Figure 3 is a bottom view of one example
  • Figure 4 shows the cross section a-* _ a 'in Figure 3.
  • Fig. 5 is a partial plan view of a preferred example of a weeding board with a back blade.
  • Fig. 6 is a cross-sectional view taken along the dashed-dotted line a-
  • Fig. 7 is a plan view of a preferred example of a weeding board with a back blade and a mounting plate fixed to it.
  • Fig. 8 is a cross-sectional view taken along dashed-dotted line b--.
  • Fig. 9 is a front view of one example of a weed rotating body.
  • Fig. 10 is a side view of the weeding rotator
  • Fig. 11 is a front view of an example of a front and rear type of mower.
  • Fig. 12 is a side view of the example of Fig. 11,
  • Fig. 13 is an enlarged front view of Fig. 11,
  • FIG. 14 is a perspective side view of FIG. 13,
  • FIG. 17 is a partial cross-sectional view for explaining the up-and-down adjustment structure of the wheel, FIG.
  • Fig. 16 shows the process of adjusting the height to the third step
  • Fig. 17 shows the adjustment completed at the height of the third cut
  • Fig. 18 is an assembled perspective view of one example of a weeding device.
  • Fig. 1 S is an exploded perspective view of the weeding device
  • FIG. 20 is an external perspective view of the rotating grass body in FIG. 19,
  • Fig. 21 is a schematic side view of one example of a one-way type of mower in the lawn
  • Figs. 22 and 23 are exploded perspective views of the weeding rotator in Fig. 21, 22 Figure 2 shows a support shaft with integrated support
  • Fig. 23 shows a weeding rotation tool that is detachable from the support shaft.
  • FIG. 24 to Fig. 26 are illustrations of an example of a fitted weeding rotator
  • Fig. 24 is a side view of a weeding rotator
  • Fig. 25 shows the side view of the support shaft with the support
  • Fig. 26 is a side view of the weeding rotating body fitted to the support shaft.
  • Fig. 27 and Fig. 28 are explanatory diagrams of the assembly of the two united type weeding rotator
  • Fig. 27 is an exploded side view of the two united type weeding rotator
  • Figure 28 is an exploded front view
  • Fig. 29 is a side view of the completed assembly.
  • Fig. 30 is a front view of the completed assembly.
  • Fig. 31 is a schematic front view of a mouth mower.
  • Fig. 32 is a schematic side view
  • Fig. 33 is a schematic plan view
  • FIG. 34 is a schematic bottom view.
  • Fig. 35 is a front view of an example of a mowing machine equipped with a brush cutter.
  • Fig. 36 is a bottom view of the example of Fig. 35.
  • FIGS. 1 to 4 illustrate the present invention in more detail in accordance with the accompanying drawings.
  • the backed weeding board 2 has a small deformation even when struck against a solid object such as a stone.
  • the protruding piece 3 has both a plan shape (FIGS. 1, 2 and 3) and a cross-sectional shape [FIG. 4], and a straight arc-shaped or rounded front portion. It has the same width, and its protruding piece has a wedge-shaped cross-section, and its lower surface is ground or pressed upwards to prevent collision when the weeder comes into contact.
  • the depth of the back blade 5 is smaller than that of the lower blade 5 than that of the lower blade.However, the lower blade 5 is preferable for mowing grass, and the upper blade is more suitable for leveling the ground. Since it is hard to wear, it is desirable to change it according to the application.
  • a groove for forming the back blade is formed on the lower surface of the body, but in this case, the grass chip does not stick. There is a point that the grass chips tend to stick to the ditch because of the dust.
  • FIGS. 5 to 10 A plurality of wedge-shaped cross-sections in which a front blade 4 is formed with a predetermined width in parallel and with a front edge almost facing the direction of travel, mainly using a blade material such as a steel plate, a steel plate, or a stainless steel plate as a material.
  • the width between the protruding pieces 3 and the protruding pieces 3 is at least not less than the thickness of the stem root to be cut, and at least about 30% of the dimension between the protruding pieces (3), and about 200
  • the deepest portion of the sharp back blade 5 is provided at a depth of not more than%, and the back blade 5 is formed so as to face the traveling direction.
  • the protruding piece has an arc shape with the front side slightly receded at the center, the weeding board is curved inward, and the front blade is upward and the rear blade is downward. It is formed.
  • a mounting plate 6 is provided on the weeding plate bent at the center, and a support 2 mounted on the support shaft 24 of the weeding rotating body 10 via this mounting plate 6.
  • the one that is fixed integrally with 3 is that the rotation phases of the protruding pieces of one of the two blades with the deep blade and the other with the rear blade are matched ( ⁇ ,
  • the rear edge of the weeding plate with the inner blade is defined by a small circle in FIG. If it is formed on the curved surface following the broken line and is attached as shown in the figure, when it is rotated in the direction of the arrow, it will not hit the grass cutter that touched slightly and slightly.
  • the clover bar is mainly used.
  • the weeding board provided on the outer periphery of the rotating weeds be variable at a speed of 4 to 13 rice per second and be configured to be reversible. per second? ⁇ 8 US, within a new and relatively sharp back edge Even in late autumn when the lawn epidermis is relatively hard, the grass in the lawn that is about 15 cm long can be cut without causing any damage to the lawn.
  • the lawn is about 5 cm, it is easy to get rid of it, and weeding works at a rate of 10 to 13 rice per second, even if the speed is set without damaging the lawn.
  • the lawn's epidermis is soft and can damage the lawn unless the speed is reduced to about 4-7 rice per second. Lawn mowing is also possible at high speed. Due to the complex and non-calculatable factors such as blade sharpness, season, lawn type, length, air and lawn humidity, water content, etc., the work speed should be adjusted to the most suitable work speed on site. is important.
  • the front and rear type lawn mower 1 is provided with a side plate 39 on each side having a peripheral edge formed by bending a peripheral edge at a fixed width, and a front and rear wheel 37, a center from one side between the both side plates.
  • a weed rotating body, and then a front and rear wheel 37 are provided again.
  • the support shaft 24 of the weed rotating body 10 penetrates the side plate 39 and is fitted with a large pulley 21 on the outside.
  • the shaft end of the motor 13 in the motor partition wall 43 projects right above and projects through the side plate, and the small pulleys 22 are fitted. The large and small pulleys are connected by the belt 20. I have.
  • the handle holder 12 supports the lower end of the handle 11 so that it can rotate by a predetermined angle, but if the handle is turned in the opposite direction, two points At the position shown by the dashed line, it can be held and reversed.
  • the weeding board is provided with weeding blades on both front and rear edges. (Fig. 13) Further, between the side plates, a shelf 36 is provided up to the end except for the center in the middle. At the level immediately above the orbit R of the outer periphery of the central weeding rotary body 6, both ends of the weeding device are loosely fitted to the slide cases 41 provided on the inner surfaces of both side walls, and the weeding device 25 has a cross section.
  • Is angled, angle short pieces 46 are fixed at both ends, and the slide case 41 provided on the inner wall of both side plates
  • the short piece is slidably inserted up and down into the portion, and is pressed downward from above by a rubber elastic body 42 with a small force, and the cover 47 prevents the elastic body 42 from falling off, and the weeding device 40 is removed.
  • the weeding device 25 comes into contact with the weeding plate 2 with the back blade in a natural manner (Figs. 14, 18, and 19).
  • a rotating shaft 53 supports the rotating support 54 rotatably directly below the slide case 41 on the inner surface of the both side walls.
  • a pair of left and right sides of the rotating support 54 is integrally fixed to both left and right ends of the front and rear weeding walls 52 to form a rotating weeding body 55.
  • the other end of the switching support 48 supported rotatably at one end on the side wall by the switching shaft 56 is rotatably mounted about one third above the lower end of the weeding wall 52. It is.
  • the switching tool 49, one end of which is fixed to the switching shaft 56, is fitted into and fixed to one of the upper and lower two projections on the outer surface of the side plate by the switching hole 57 so that the position of the rotating grass body can be adjusted.
  • a wind switch 16 is pivotally attached to the upper end of the front and rear weeding walls with a hinge 44, and a lower end edge of the wind switch 16 is an inner end edge of the shelf.
  • the front and rear weeding walls are simultaneously rotated to keep a large weeding air space inside one of the weeding walls, and the inner surface of the other weeding wall is a rotating body. Approach the outer circumference of rotation. Therefore, if the rotating weeding body is rotated and stopped so that the weeding air space is maintained above the rotation before the rotation by up-cutting, the cut grass is cut by the small arrow when the weeding rotator is driven in the arrow Q direction. As mentioned above, they fly in the weeding airspace and are paid by the grass cutter, and gather in the grass collector 15 behind. Therefore, mowing can be performed while collecting the mowing grass sufficiently.
  • switching stop means for the switching shaft it is easy to automatically control the rotation stop of the rotation supporting body by controlling the rotation of the rotating grass body by connecting to a servomotor. is there. And the motor control inside motor bulkhead 43 The rotation speed of the weeding rotator can be easily controlled manually or automatically by operating the controller 45 with the control dial 38 projecting upward and centrally.
  • This motor controller can continuously change the revolution speed of the weeding board with the back blade provided on the weeding rotating body from 0 to 25 US per second.Therefore, by selecting the weeding board, both lawn mowing and lawn mowing can be performed. Work is possible. Therefore, the mowing machine according to the present embodiment can be used as a mowing machine in a lawn of a wide golf course by being configured to be self-propelled by the automatic control described above.
  • the cutting height is adjusted by the front and rear wheels 37, and as an example, both ends of the axle 32 in FIGS. 15 and 16 are metal plates.
  • the left and right adjusters 26 are fixed below, and an adjusting shaft 31 penetrates below these axle ends, and one end is fixed to the inner wall of the side plate 39.
  • a slide groove 30 is opened upward from the center of the adjusting tool 26, and a locking tool 29 slidably formed along the slide groove 30 is provided.
  • the adjustment tool 26 When located at the uppermost position (see Fig. 17), the adjustment tool 26 can be rotated about the adjustment shaft 31 from the upper end to the lower end of the adjustment port 27, and the adjustment tool 26 can be attached to the appropriate position.
  • the front and rear wheels 37 also lift the axle 32 upward, are lifted high upward, and the height is set at that position.
  • the adjusting tool 26 can be fixed to any of the three-step locking grooves 28, so that the cutting height of the mower of this example can be set to three steps. It is preferable to apply a return pressure of the lower eight through the elastic body to the stopper, because it is easy to operate.
  • the slide type adjusting device of the above example has a simple structure and can be applied to wheel operation.
  • Example 2 (Refer to Fig. 21, Fig. 22, Fig. 23)
  • the mower 1 is configured such that the peripheral edge thereof is bent at a predetermined width and the side plate 39 constituting the peripheral side is provided on the rain side, and between the side plates.
  • the front wheel 18, the weeding rotating body 10 and the upper and lower weeding tools 25 are arranged in this order from the center 13, the rear wheel 19, and one of the weeding rotating bodies.
  • a large pulley is provided on the outside, and a small pulley is provided on the outside of the motor 13.
  • the pulley is connected to the weeding rotating body by a belt.
  • the weeding rotator is made of a flat plate-shaped fixing member 6 for fixing four weeding blades with a back blade, and is detachably attached to a supporting shaft by engaging a supporting member 23 with a supporting member 23.
  • the central shaft hole of the mounting member 6 is cut out outward in the inter-substrate direction with a shaft width to form an insertion port 3 3, and a flat supporting member 2 is provided at a predetermined position of the supporting shaft 2.
  • 3 is integrally fixed to a support shaft at a position where it fits with the mounting member 6, and the buried plate 34 of the portion removed by cutting out the insertion port 33 is fixed to the support member 23.
  • the weeding rotator is inserted into the support shaft 24 from the insertion port 3 3 of the fixture 6, and the four mounting holes of the fixture are aligned with the bolts 8 of the support, and the weeding rotary body is connected to the fixture. Just attach the support and tighten with a nut. It is clear that the weeding rotator can be disengaged from the support shaft in the reverse order. Therefore, all four mowing plates can be simply detached at the same time, and the weeding rotator in this example is provided by the embedding plate 34. The weight distribution is good and the rotating balance is not damaged.
  • the blade type suitable for the work target can be selected.
  • the diameter of the weeding rotary tool can be simultaneously prepared in various sizes, the working speed of the weeding board can be changed.
  • Replacement spare parts can be prepared on site, and when the weeding boards are worn, they can be easily replaced.
  • Example 2 This example is an application of Example 2 and describes a different weeding rotator part.
  • a plurality of supports 23 are provided on the support shaft 24 of the weeding rotating body.5
  • a ring 35 provided around the support shaft hole is provided with the support 23, the support shaft 24, and the embedding plate. It is welded together with 3 4.
  • the mounting fixture 6 is large enough to fit the center shaft hole into the ring 35, and is cut open in the middle direction between the two weeding boards 2 with a width that can be inserted into the support shaft, and the insertion port 33 is provided. It is.
  • the entrance is provided. Even if the shaft hole is large, the center support shaft enters, and the mounting fixture is fastened together with the support. Since the boards can be simultaneously worn and can be removed in the reverse order, the same operation and effect as in the second embodiment can be obtained.
  • the rotator is an embodiment of the turf rotation tool, which is provided at a position corresponding to the ear-shaped support members 23 fixed to the support shaft 24 on both sides.
  • Two weeding plates with back blades are fixed to a flat plate attachment 6 having a slotted opening 3 3, and the up and down direction is opposite to the support 23 of the support shaft 24. It is fastened with bolts 8 and nuts from the left and right.
  • the weeding rotator can be disassembled to remove the two weeding rotators.
  • the two weeding rotation tools can have the same shape, and are excellent in manufacturing cost and easiness of replacement, and have good weight distribution and good rotation balance.
  • one of the weeding plates capable of mowing both forward and reverse is fixed to the lowermost support of the scart 62 of the rotor 60 at both ends. Since it is fixed at the rainy edge where the most force is applied, breakage is difficult.
  • the mouth 60 has a disk shape, and its peripheral edge is slightly all the way from the fixed portion of the upper edge of the scar 62, so that the cut grass is not turned into the upper surface.
  • the width of the lower part of the skirt is not constant, and the slope between the lowest part at 180 degrees is smoothly inclined to the uppermost part, and the uppermost part is located in the middle of the lowest part. Similarly, the top is at 180 degrees.
  • a grass weeding space 50 is formed between the lower edge of the cut portion of the scart and the rotating surface of the weeding board 1.
  • the rotor 60 has a rotating shaft of the motor 13 penetrating the center thereof and is fixed by a fixed nut 59.
  • a rotor cover 61 covers the front wheel supporting portion of the rotor 51 and the rear upper portion following the front portion, and a motor 13 is mounted above the central portion.
  • Left and right front wheels 18 are provided on both left and right sides of the motor 13, and handles 11 are rotatably mounted on left and right sides of the motor slightly behind the motor 11 by handle holders 11.
  • a switch 17 is provided on the grip of the handle 11 so that the handle 11 can be rotated forward and backward.
  • the rear of the rotation range of the rotor 1 is at the same level as the weeding board 1, and a force bar is also formed on the lower surface and continuously with the upper portion. It is on the bottom of the hood that communicates with weeds 15. Further, a rear wheel 19 is mounted at the rear center of the lower surface.
  • the two front wheels and one rear wheel mentioned above can be adjusted up and down to a predetermined height so that the cutting height of the rotor can be adjusted, and the rotor attached to the rotor cover can be adjusted up and down to a specified size By means of the rotor It is clear that the cutting height can be adjusted.
  • the motor controller that adjusts the rotation speed of the weeding board 1 to an appropriate value within the range of 1 to 13 rice per second is controlled by operating the control dial 38 to cut the grass or cut the grass. Can be performed.
  • FIGS. 35 and 36 a weeding tool in which both ends of a flat rectangular plate are integrally attached to a lower end edge of a mouth-cover cover 61 is shown.
  • the shaft hole provided at the center of the weeding plate 2 is rotatably mounted on the engaging shaft 3 provided at the center of the weeding plate 2, and the rotor is driven by approaching or making contact with the weeding implement.
  • the grass can be cut off at the same time as weeding.
  • the flat rectangular plate-like weeding implement has a radial shape before or after.
  • weeding or lawn mowing can be performed by rotating the rotor at a low speed, but by using a weeding board with a deep blade rather than a flat blade, lawn mowing can be performed at a lower speed. It becomes possible. This is because turfgrass is caught between the projecting pieces, making it less slippery. It is even more desirable to use both forward and reverse rotation.
  • the mower according to the present invention not only cuts the weeds in the lawn while leaving the lawn, while weeding the lawn and other weeds by rotating the weeding board at a high speed and rotating the weed at an appropriate speed. Since weeding work can be performed efficiently at the same time as the ground leveling at golf courses, gardens, and farms, the use of herbicides can be suppressed or eliminated, and the pollution of pesticides can be reduced.

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  • Soil Working Implements (AREA)

Abstract

This invention consists in a technique for preventing agricultural chemicals pollution by herbicide spraying and provides a mowing machine in such structure that: a plurality of recessed-blade-carrying mowing plates (2), each having a plurality of projections (3) each provided with a front cutting edge (4) formed at the front end and also having sharp recessed blades (5) provided in fixed positions slightly receding from the front end and between said projections, are fixed to the outer periphery of a rotary weeding body (10) in such positions recessed blades (5) of one plate deviate from those of the others in rotational phase so that recessed blade all together sweep the whole periphery of said rotary weeding body (10) which is provided on the vehicle body rotatably in the forward and reverse directions; a grass sweeper (25) is provided to the vehicle body in a position higher than the support shaft so as to be in proximity to or in elastic contact with said rotary weeding body for enabling simultaneous grass sweeping, mowing, and grass collection in cooperation with a rotary grass removing body (55) even when the machine is driven in any of the forward and reverse directions; whereby continuous operation conducted by a prime mover for a long period of time is made possible, the rotary weeding body (10) is controlled in rotational operating speed and composed of a support shaft (24) and rotary weeder (9) which are in the structure capable of being disassembled from each other, all mowing plates are attachable to or detachable from the machine and replaceable simultaneously and quickly, change of application, grinding, and servicing are possible even on the job site, mowing in the forward and rearward directions is possible, operation by remote control is also possible, and the rotary mowing machine (64) is fixed at both ends to under a skirt (62) disposed under a rotor (60) fixed to the rotating shaft.

Description

明 糸田 書  Akira Itoda
草刈機及びその排草搆造と除草回転具の取換構造  Mower and its replacement structure
技術分野  Technical field
この発明は、 多数の突片間に奥刃を形成した奥刃付除草板を回転 体の外周に設けて構成した除草回転体を原動機で駆動せしめて成る 草刈機に関し、 回転作業中に除草回転体にからむ草を取払い機外に 排草する構造で除草作業運転時間の継続性を確保し、 更には複数の 奥刃付除草板の同時交換構造によ り保守、 作業内容の変更、 修理等 の迅速化によ り ゴルフ場、 庭園等の芝生内に混生する雑草を低速回 転で選択的に、 芝生を残して、 刈り取り、 高速回転では芝生及び雑 草を同時に刈り取る等で、 除草剤散布の農薬公害を防止する技術で ある。 背景技術  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mowing machine in which a weeding rotary body constituted by providing a weeding plate with a back blade having a back blade formed between a large number of projecting pieces on the outer periphery of a rotating body is driven by a prime mover. The structure that removes weeds from the body and weeds out of the machine ensures continuity of operation time of weeding operation, and furthermore, the simultaneous replacement of multiple weeding blades with back blades allows maintenance, change of work contents, and repair Weeding mixed in grass at golf courses, gardens, etc. by slow rotation, cutting grass while leaving the grass, and cutting at high speed, grass and weeds at high speed. It is a technology to prevent the spraying of pesticides. Background art
従来広い農地、 ゴルフ場、 庭園等幾分凹突のある場所では、 地均 しを兼ねて除草を行なうのが望ま しく 、 平刃の除草板では刃に耐久 性がないので、 大型の機械に厚刃の除草板を取付けて相当量の表土 を耕運して雑草を処理せざるを得ないので、 エネルギーを大量に消 費する し、 大仕事であつもが、 他には耐久性のない平刃を改良する と ともに芝生内の除草を行う 目的の本発明人による国際出願番号 P C T / J P , 8 9 / 0 1 2 0 6発明の名称除草用金属性基板と除草 具とその改良による提案が存在するだけであつも。  Conventionally, it is desirable to perform weeding while leveling the ground in places such as large agricultural lands, golf courses, and gardens that have some dents, and flat blade weeding boards are not durable. Since weeds must be treated by cultivating a considerable amount of topsoil by attaching a thick-edged weeding board, it consumes a large amount of energy and is not durable, even for heavy work International application No. PCT / JP, 89/0 1 2 0 6 by the present inventor for the purpose of improving the flat blade and weeding in the lawn Name of the invention Metallic substrate for weeding and weeding tools and proposals for improvement There just exists.
この装置は長い刈草或いは草片等を回転風力では完全には排除 できず、 芝を切断しない早さで除草板を回転させるので、 芝草片が 突起や奥刃に徐々にこびりついたりからんだり して、 回転速度を低 下させて草刈作業の継続が困難になる。  This equipment cannot completely remove long cut grass or grass pieces by the rotating wind, and rotates the weeding board at a speed that does not cut the grass, so that the grass pieces gradually stick to the projections and back blades. Therefore, it is difficult to continue the mowing work by lowering the rotation speed.
又、 耐久性のために設けた前記突起の前刃は切断力が小さ いので 、 切断力の大な奧刃の逼過部分よ り除草が不完全である。 従って完 全に刈らせるには奥刃の作業時の位相をずら して奥刃で全面をさ ら わせる必要が生じた。 又、 奧刃が内奥に深すぎると、 奥刃の前方の突片間に芝生の葉茎 が束になって入り込み、 その直前の雑草はガー ドされて残る。 他方、 奥刃が浅すぎると、 突片間の距離よ り大きなサイズの固型 物の突起部も鋭利な奥刃に直接敎突することが多いため、 奧刃の損 傷や、 鋭利さの保持が困難になる等の問題が生ずる。 In addition, since the front blade of the projection provided for durability has a small cutting force, weeding is incomplete due to the tight portion of the back blade having a large cutting force. Therefore, it was necessary to shift the phase during the operation of the back blade to cover the entire surface with the back blade in order to completely mow. Also, if the back blade is too deep inside, the leaf stems of the lawn will enter in a bundle between the projections in front of the back blade, and the weeds immediately before that will remain guarded. On the other hand, if the back blade is too shallow, the protruding part of the solid object larger than the distance between the protruding pieces often directly collides with the sharp back blade, causing damage to the back blade or sharpness. Problems such as difficulty in holding are caused.
それに加えて、 短い突片では芝生内の、 からみをほぐす効果が減 少し、 稀に混生する太くて堅い対象茎を、 引掛けて根を浮かせる作 用も失う等の難点がある。 加えて除草板の好ま しい作業速度も明確 でない。  In addition, short prongs have the disadvantage of reducing the effect of loosening the lawn in the lawn and losing the work of hanging the thick and hard target stems, which are rarely mixed, to float the roots. In addition, the preferred working speed of weeding boards is not clear.
そして、 清掃や研磨では、 支持軸と共に除草回転体を本体から外 すか、 又は除草板を 丄枚ずつ外さざるを得なく不都合であった。 更に多機能生の提案も、 例えば、 多種の除草板を用意しておき現 場での^況によ り適切な刃型の除草板を遷ぶなどはなかった。  In cleaning and polishing, it is inconvenient to remove the weeding rotator together with the support shaft from the main body or remove 丄 weeding boards one by one. In addition, there was no proposal for a multifunctional student, for example, preparing various types of weeding boards and switching to an appropriate blade-type weeding board depending on the conditions at the site.
類似の装置と して、 芝刈機や円板刃型の口一タ リ 一草刈機がある が、 それらには芝生よリ柔らかい草を選択的にメ！ 1る機能は全くない ので、 同種の装置ではないが、 箇述すれば、 除草板の複数を除草回 転体から同時に着脱をするとか、 からみ草を '草刈回転中に取払う具 体的な提案は存在しないしその必要もなかった。 何故なら、 通常、 草の中で、 芝生が最も細くて柔軟だが、 表皮が硬くて刈り難いので 高速の刈刃に直接当る とき既に刃の前縁にこぴリついている雑草や 芝生を自体で押し、 自侓よ り先に切断させたり、 こすリ取る作用が 起きるためで、 その作用が作業回転ゆに連続するので、 こびりつき やからみは刈刃の鋭利な実用期間中は無視できたのである。  Similar devices include lawn mowers and disc blade type mouth mowers, but they can selectively use soft grass in the lawn! It is not a device of the same kind because it has no function at all, but in other words, it is possible to remove multiple weeding boards from the weeding rotating body at the same time, or to remove the weeds during the mowing rotation. There was no proposal and no need for it. Because the lawn is usually the thinnest and softest in the grass, but the hard outer skin is hard to cut, so when we hit a high-speed cutting blade directly, weeds and lawns that are already attached to the front edge of the blade are themselves. Pushing, cutting and scraping before the self occurs, and the action is continuous during the work rotation, so sticking and entanglement could be ignored during the sharp working period of the cutting blade. .
特に口一タ リ一型に於て、 上記現象が大きく 出るが、 中央で支持 すると除草板の巾が狭いので折損し易い難点があった。  In particular, in the case of the mouth-to-mouth type, the above-mentioned phenomenon appears largely, but there was a drawback that the support at the center easily breaks because the width of the weeding board is narrow.
本発明に用いる除草板の刃型にやや似ている例と して、 ヘッジ卜 リマ一が主に木の小枝刈り に使用され、 小型のものは、 小面積の苴 刈り に使用される。  As an example similar to the blade type of the weeding board used in the present invention, a hedge trimmer is mainly used for pruning a tree, and a small one is used for pruning a small area.
その使用方法は上下 2枚の草刈板のう'ち下段を屆定し①、 上段の みを草刈板の進行方向とは直角に往復動を反復せしめる②が、 突片 の内奥の両側を側刃に形成して③、 突片間に進入した茎葉を上下段 の草刈板の側葉ではさみ切る④ものである し、 進行方向に対面する 奥刃が単独で茎葉を切断するものでもない⑤。 又、 進行方向へは、 左右に手で振り動かす速度にすぎないから⑥、 秒速 8米程度で奥刃 の正面で相当なス ピー ドで茎葉に切断力を加えるものでもない⑦。 例えば、 ヘッ ジ 卜 リマ一を髙速にしても低速で駆動しても、 芝生 内で芝生よ り柔かい雑草のみを選択的に刈ることはできない⑧。 つま り、 P C T / J P , 8 9 Z 0 1 2 0 6 の装置及び本発明の草 刈機は他の如何なる草刈機、 芝刈機、 ヘッ ジ 卜 リマ一と比較しても 機能上、 作用、 効果、 目的等のいずれに於いても、 全体的な共通点 がない。 発明の開示 The method of use is to determine the lower part of the upper and lower two mowing boards, The reciprocating motion is repeated at right angles to the direction of travel of the mowing plate. However, both sides of the inner side of the protruding piece are formed as side blades, and ③ the foliage that has entered between the protruding pieces is the side of the upper and lower mowing boards. It is cut off with leaves, and the back blade facing the direction of travel does not cut foliage alone. Also, in the direction of travel, it is only the speed of swinging by hand to the left and right. It does not apply cutting force to foliage at a considerable speed in front of the back blade at about 8 US per second. For example, it is not possible to selectively cut only weeds that are softer than the lawn in the lawn, even if the trimmer is driven at high speed or low speed. That is, the apparatus of PCT / JP, 89Z01206 and the mower of the present invention have functional, action, and effect functionalities as compared with any other mower, lawn mower, or hedging trimmer. There is no overall commonality in any of the objectives, etc. Disclosure of the invention
本発明は、 鋼板、 ステン レス鋼板などの刃物用板材を主と して素 材に用いて、 並列で、 かつ強度を保ち得る巾で形成してある多数の 突片と、 突片間の距離半分程度以上の内方に奥刃の最深部を設けて ある奥刃付除草板の 1 乃至複数を外周に設けた除草回転体を回転自 在に支持せしめた車体に設けた原動機に連結する と共に、 前記除草 回転体の外周の最低位を地上よ り所定高さに調節可能に構成し、 且 つ草払構造で刈草を払って効率よ く集草して、 除草運転の連続性を 確保する草刈機及び、 その除草回転体の外周に設けた除草板の複数 を同時に交換する構造と、 ロータ リ ー式の草刈機に関し、 芝生内の 草^に加えて、 高速での芝草刈りや、 地均しを含む雑草刈り に使用 できる草刈機の提供を 目的とする。  The present invention relates to a plurality of protruding pieces formed in parallel and having a width capable of maintaining strength by using a plate material for a cutting tool such as a steel sheet or a stainless steel sheet as a main material, and a distance between the protruding pieces. At least one half or more of the weeding board with the deep blade provided with the deepest part of the deep blade inside is connected to the prime mover mounted on the vehicle body, which supports the rotating weeding body, which is provided on the outer periphery with one or more of the deep blade weeding board. The lowest level of the outer periphery of the weeding rotating body is configured to be adjustable to a predetermined height above the ground, and the weeding structure is used to cut grass efficiently to ensure weeding, thereby ensuring continuity of weeding operation. For a mower and a structure in which a plurality of weeding plates provided on the outer periphery of the weed rotating body are simultaneously replaced, and a rotary-type mower, in addition to grass in a lawn, high-speed lawn mowing and ground The purpose is to provide a mower that can be used for weeding including leveling.
従って、 複数の突片の前縁は丈夫な突端或いは楔状断面の前刃に 形成し、 奥刃は鋭利でかつ、 芝草の葉茎が突片間の奥刃に直接触れ させて刈り取り易く してあるが、 余り浅すぎる と、 既述の如く 、 芝 生のからみを解く効果が減少し、 損傷し易く 、 太い対象茎を浮かせ ることができない等の不都合が生ずるので、 突片間の巾の半分程度 以上の深さに設けるのが、 好ま しい。 Therefore, the front edges of the plurality of protruding pieces are formed on a strong protruding end or a front blade having a wedge-shaped cross section, and the back blade is sharp, and the turf leaves are directly in contact with the back blade between the protruding pieces to facilitate cutting. However, if it is too shallow, as described above, the effect of unraveling the lawn will decrease, and the target stem, which is easily damaged and floats, will float. Therefore, it is preferable to provide the protrusion at a depth of about half or more of the width between the projections.
そうすれば、 突片間隔よ り大な固型物が球体と仮定すれば半径よ り深い位置にある奥刃に直接当ることもなく損傷させないからであ る。  Then, if a solid object larger than the projection spacing is assumed to be a sphere, it will not directly hit the back blade located at a position deeper than the radius and will not damage it.
更に、 前刃が上向きで、 かつ奥刃が下向きであれば、 前刃が摩滅 して短くなつたために浅くなつも奧刃の下面のみの研磨で奥刃の前 縁を後退させて深さを取リ戻せる し、 所定の巾で前刃を形成したこ の奥刃付除草板では、 低速に於いて芝生は柔軟で表皮は固いので切 断されずに前刃の前の芝生は押し倒され、 隣の奧刃の前の芝生との からみが外れ奥刃の前の草は直かに奥刃に触れ易くなり、 太く て固 茎や巾広の葉等の雑草も、 各突片間に引掛かリ、 浮き上がつたもの は根が露出したところを後から追従する奥刃付除草板によ り刈られ る。  Furthermore, if the front blade is facing up and the back blade is facing down, the front blade is worn down and shortened, so even if it is shallow, the front edge of the back blade is retracted by polishing only the lower surface of the back blade to increase the depth. In this weeding board with a back blade that can be recovered and the front blade is formed with a predetermined width, the lawn is soft and the skin is hard at low speed, so the lawn in front of the front blade is pushed down, The grass in front of the back blade comes off the grass immediately in front of the back blade, making it easier to touch the back blade immediately, and weeds such as thick and hard stems and wide leaves are also caught between the protruding pieces. If the root is exposed, it is cut by a weeding board with a back blade that follows the root.
更に、 この除草板は前刃が突片間よリ大きな固型物を弹く ので、 奥刃を保護し、 浅層なら土中に食い込んでも、 奧刃を損傷するこ と も少なくて土をさらうので地なら し的作用も望める。 更に高速では 芝草刈りも行なえる。  Furthermore, this weeding board protects the back blade because the front blade is larger than the gap between the protruding pieces, and protects the back blade. Because of the erosion, it can also be used as a groundbreaking effect. At higher speeds, lawn mowing can be done.
これら奧刃付除草板は芝生や雑草の種類と生育度等で刈高さを調 整する必要がある。  It is necessary to adjust the cutting height of these weeding boards with back blades according to the type of grass and weeds and the degree of growth.
本発明では上記奥刃付除草板の回転時の最低水準は作業の能率的 な点から主と して車輪の高さの調整によるものである。  In the present invention, the minimum level of rotation of the weeding board with the back blade is mainly due to the adjustment of the height of the wheels from the viewpoint of work efficiency.
又、 季節による、 芝生や雑草の硬さや刈刃の鋭利さ等に対応して 奥刃付除草板の刈速さを調整可能にするのが望ま しい。  It is also desirable to make it possible to adjust the cutting speed of the weeding board with the back blade according to the hardness of the lawn and weeds and the sharpness of the cutting blade depending on the season.
前述の奥刃付除草板が 2 の倍数で除草回転体に設けてあれば、 そ れら除草板のうちの隣り合う 2枚の一方の突片の回転時の位置を他 方の奥刃の回転時の位置と合わせて除草回転体に設ければ、 除草板 が 2枚でも奥刃の巾が、 前刃の巾よ り広ければ、 隙間なく鋭利な奧 刃で、 所定の地面の高さをさらう ことになり、 刈り残しがなくなる が、 このように奥刃で全刈面をさ らえるよう に取り付けるのが望ま しい。 If the weeding board with a back blade described above is provided on the weeding rotary body at a multiple of 2, the position of one of the adjacent two protruding pieces of the weeding board at the time of rotation is set to the other back blade. If the weeding rotator is installed in line with the rotation position, the width of the back blade is wider than the width of the front blade even if two weeding boards are used. So that there is no leftover However, it is desirable to install it so that the entire cutting surface can be covered with the back blade.
上述の除草刃を除草板の前側にのみ形成した場合は正転状態で常 に作業させるこ とになる。  When the above-mentioned weeding blade is formed only on the front side of the weeding board, the work is always performed in the normal rotation state.
しかし、 後縁部にも除草刃を形成してあれば、 逆転によ り同じ作 業が可能となり、 加えて正逆何れの作業回耘体でも、 回転時の後縁 部が奥刃にこびりついた草を逆方向から取払われるよう に芝でこす られるこ とになる作用が生ずる。  However, if a weeding blade is also formed on the trailing edge, the same operation can be performed by reversing the rotation. This has the effect of scrubbing the grass so that the grass is removed from the opposite direction.
よ り効果的に草払いを作業中に行うために設けるのが、 除草回転 体の外周に設けた奥刃付除草板の外周面に近接せしめて車体に取付 ける草払具と 、 弾力的に奥刃付除草板の外周面に接触させて、 こび り付いた芝片ゃ草片をかき払う草払具で、 草のからみつきが、 增大 しないので長時間の連続作業が可能になる。 但し、 草払い具が、 刈 る前方側の低い位置に設けてあると対象物を押し傾けるので、 奥刃 に当たるとき刃が食い込みにく い角度になるので好ま し く ない。 加えて、 刈草を上方から、 回転風力で集草具方向に飛ばすのを妨 げない位置が望ま しく 、 草払具は少なく とも除草回転体の回転軸よ り高い位置に設けるのが好ましい。  To provide more effective weeding during the work, weeding tools that can be attached to the vehicle body by bringing them closer to the outer peripheral surface of the weeding plate with the back blade provided on the outer periphery of the weeding rotary body, It is a grass-wiping tool that comes in contact with the outer peripheral surface of a weeding board with a back blade and scrapes off the sticky grass pieces. The grass sticking does not increase the size, so long-term continuous work is possible. However, it is not preferable that the weeding implement is provided at a low position on the front side of the mowing, since the object is pushed and tilted, so that the blade becomes difficult to bite when hitting the back blade. In addition, it is preferable that the cut grass is not obstructed from being blown from above by the rotating wind to the weed collector, and it is preferable that the grass cutter is provided at least at a position higher than the rotation axis of the weeding rotator.
上記の如き、 正逆両回転による装置に於いては、 車体の前後を変 換しての作業となる場合があり 、 対象物の収集は前後 2 方向となる ので、 除草回転体の上方に刈草排除空間を設け、 該空間の下方に草 払具を設ける と共に上方に原動機を設け、 前記空間に連通する集草 具を前後に設ければ、 回転の向きと逆方向の集草具に刈草が集ま り これら集草具を着脱自在に構成して取り付ければ、 刈草の処理が早 く できる し、 清掃も容易で運転時には草払いと芝草刈りの両作用が 得られる：  As described above, in the device using both forward and reverse rotation, the work may be performed by changing the front and rear of the vehicle body. Since the collection of the object is performed in two directions, the grass is cut above the rotating weeding body. If an exclusion space is provided, a grass mower is provided below the space, a prime mover is provided above, and mowing tools communicating with the space are provided at the front and rear, so that the mowing can be performed on the mowing tool in a direction opposite to the direction of rotation. Gathering If these weeds are detachably constructed and installed, they can be used to speed up the process of mowing, they are easy to clean, and when they are in operation they have both the weeding and lawn mowing effects:
更に、 正逆両方向の回転で除草せしめる草刈機に於いては、 除草 回転体の回転風力による排草時の空気路を仕切る排草壁の位 ¾は、 正転逆転のそれぞれで異なるので、 可動式の排草壁が必要となり、 アップカツ ト式では除草回転体の正転では前方側に於ける排草空域 郎ち除草回転体の回転外周と排草壁間の空隙を広くかつ上方へと所 定の広い空域が必要となリ、 後方の排草壁は除草回転体の回転外周 との空隙即ち刈草の誘導空域は小であるのが好ま しいので、 後方の 排草壁は回転外周に接近せしめる。 Furthermore, in a mower that weeds by rotating in both the forward and reverse directions, the position of the weeding wall that separates the air path during weeding due to the rotating wind force of the weeding rotator is different for each of the forward and reverse rotations. We need a weeding wall, In the up-cut system, the forward rotation of the weeding rotator requires a wide weeding space between the outer circumference of the rotator and the weeding wall in the forward direction, and a wide airspace that is defined upward is required. However, since the rear weeding wall preferably has a small gap with the outer periphery of the weeding rotating body, that is, the guiding air space for cutting grass, the rear weeding wall should be closer to the outer periphery of rotation.
従って、 逆転時の除草では前後の排草壁は正逆時とは逆の位置に 移動せしめて集草する。  Therefore, in weeding at the time of reverse rotation, the front and rear weeding walls are moved to the opposite position to that at the time of forward / reverse harvesting.
この移動は回動支持体に前後の排草壁を一体に固定して行うのが 好ましいので回動排草体を構成せしめ、 所定位置まで前又は後に回 動して固定する手段を設けるものである。  This movement is preferably performed by integrally fixing the front and rear weeding walls to the rotating support, so that the rotating weeding body is constituted, and a means for rotating and fixing to the predetermined position before or after is provided.
次に草刈機或いは芝生内の草刈機に於いて、 リ ール式の除草回転 体を支持具を設けた支持軸と複数の除草板に 1乃至複数の取付具を —一体に画定した 1乃至 2個の除草回転具とに分割して搆成すると共 に支持具に係合して支持軸に着脱自在である除草回転真が、 除草板 に固定した取付具の軸孔を切断板間の外方に向けて、 狭く とも軸巾 で開けてある除草回転具に構成するか、 又は、 複数の除草回転具に 構成し、 各々の除草回転具に設けた取付具の対応する栢互を締着せ しめて成る除草回転具の取換構造で清掃保守、 研磨、 修理、 用途変 更、 適切な刃型の採用等が、 作業現場に於いてもス ピーディーに容 易にできる。  Next, in a lawn mower or lawn mower, a reel-type weeding rotary body is integrally defined with a support shaft provided with supports and one or more mounting tools on a plurality of weeding plates. The weeding rotator, which is divided into two weeding rotators and can be attached to and detached from the support shaft while being engaged with the support, cuts the shaft hole of the fixture fixed to the weeding plate between the cutting plates. The weeding rotator should be narrow and open at least with the shaft width outward, or it should be composed of a plurality of weeding rotators, and the corresponding pegs of the attachments provided for each weeding rotator should be tightened. Cleaning and maintenance, polishing, repair, change of use, and use of an appropriate blade can be performed easily and easily even at the work site with the replacement structure of the weeding rotating tool that is worn.
そして、 この除草回転具の取換構造によ リ前述の芝刈と芝生内の 草 ^を一台で行なう等の機能の変更を迅速に実現できる。  And, with the replacement structure of the weeding rotating tool, it is possible to quickly realize the change of functions such as the above-mentioned lawn mowing and the grass in the lawn by one unit.
更には、 自走化し、 或いはトラクターに連結して、 自走式草刈機 或いはリモー トコ ン トロールで芝生内の雑草を刈るのは、 本発明に とって実用性を高める一層望ま しい方法である。  Furthermore, mowing the grass in a lawn with a self-propelled mower or remote control, which is self-propelled or connected to a tractor, is a more desirable method for increasing the practicality of the present invention.
本発明のロータ リ 一型の芝生内の草刈機は最も力の加わる両端部 で除草板を支持するので、 除草板の強度上の負担を小と し薄刃にで きる.。 又、 ローターの支持円盤の周縁を全周に於いて僅かに張り出 させるので、 刈草を上方に回り込ませず、 軸への草のからみ付きが ない。 又、 スカー ト巾の短い部分で排草空域が生ずる等の作用があ る。 The rotary mower in the lawn of one type of the present invention supports the weeding board at both ends where the most force is applied, so that the load on the strength of the weeding board can be reduced and the blade can be made thin. Also, since the periphery of the rotor support disk is slightly overhanged over the entire circumference, the cut grass does not run upward, and the grass sticks to the shaft. Absent. It also has the effect of creating a weeding airspace in the area where the scart width is short.
又、 原動機と してモータ一を引用しているが、 他の原動機例えば 内燃機関を利用してもよいのは明白である。  Further, although the motor is cited as the prime mover, it is obvious that another prime mover, for example, an internal combustion engine may be used.
更には、 モータコン ト ローラ一、 アクセルと クラッチ、 無段変速 装置等で、 除草板の除草速度を制御して、 目的とする作業を行う こ とができる。 図面の簡単な説明  Furthermore, the desired work can be performed by controlling the weeding speed of the weeding board using a motor controller, an accelerator and a clutch, a continuously variable transmission, or the like. BRIEF DESCRIPTION OF THE FIGURES
各図は何れも本発明による 1 実施例の縮小図で、  Each figure is a reduced view of one embodiment according to the present invention,
第 1 図よ り第 4図は奥刃付除草板の 上例で、 Fig. 4 from Fig. 1 is an upper example of a weeding board with a back blade.
第 1 図はその 1例の底面図、 Figure 1 is a bottom view of one example,
第 2図はその 1例の底面図、 Figure 2 is a bottom view of one example,
第 3図はその 1例の底面図、 Figure 3 is a bottom view of one example,
第 4図は第 3図中の断面 a -- * _ a ' Figure 4 shows the cross section a-* _ a 'in Figure 3.
第 5図は奥刃付除草板の好ま しい 1例の部分平面図、 Fig. 5 is a partial plan view of a preferred example of a weeding board with a back blade.
第 6図は第 5図中の 1点鎖線 a — · 一 a ' での断面図、 Fig. 6 is a cross-sectional view taken along the dashed-dotted line a-
第 7図は奥刃付除草板の好ま しい 1例に取付板を固定した平面図、 第 8図は第 7図中の 1 点鎖線 b— . — b ' での断面図、 Fig. 7 is a plan view of a preferred example of a weeding board with a back blade and a mounting plate fixed to it. Fig. 8 is a cross-sectional view taken along dashed-dotted line b--.
第 9図は除草回転体の 1例の正面図、 Fig. 9 is a front view of one example of a weed rotating body.
第 1 0図はその除草回転体の側面図、 Fig. 10 is a side view of the weeding rotator,
第 1 1 図は草刈機の前後両用型の 1例で縮小正面図、 Fig. 11 is a front view of an example of a front and rear type of mower.
第 1 2 図は第 1 1 図例の側面図、 Fig. 12 is a side view of the example of Fig. 11,
第 1 3図は第 1 1図の正面部分拡大図、 Fig. 13 is an enlarged front view of Fig. 11,
第 1 4図は第 1 3図の見透側面図、 FIG. 14 is a perspective side view of FIG. 13,
第 1 5図よ り第 1 7図は車輪の上下調節構造の説明部分断面図、 第丄 5図は二段目の髙さに安定図、 From FIG. 15 to FIG. 17, FIG. 17 is a partial cross-sectional view for explaining the up-and-down adjustment structure of the wheel, FIG.
第 1 6図は三段目の高さに調節途中図、 Fig. 16 shows the process of adjusting the height to the third step,
第 1 7図は三断目 の高さに調節完了図、 第 1 8図は草払装置の 1例の組立斜視図、 Fig. 17 shows the adjustment completed at the height of the third cut, Fig. 18 is an assembled perspective view of one example of a weeding device.
第 1 S図はその草払装置の分解斜視図、  Fig. 1 S is an exploded perspective view of the weeding device,
第 2 0図は第 1 9図中の回動排草体の外観斜視図、  FIG. 20 is an external perspective view of the rotating grass body in FIG. 19,
第 2 1図は芝生内の草刈機の一方向型の 1例の側面見透概略図、 第 2 2図、 第 2 3図は第 2 1図中の除草回転体の分解斜視図で、 第 2 2図は支持具を一体に設けた支持軸、  Fig. 21 is a schematic side view of one example of a one-way type of mower in the lawn, Figs. 22 and 23 are exploded perspective views of the weeding rotator in Fig. 21, 22 Figure 2 shows a support shaft with integrated support,
第 2 3図はその支持軸に着脱自在の除草回転具、  Fig. 23 shows a weeding rotation tool that is detachable from the support shaft.
第 2 4図より第 2 6図は嵌合型の除草回転体の 1例の説明図で、 第 2 4図は除草回転具の側面図、  From Fig. 24 to Fig. 26 are illustrations of an example of a fitted weeding rotator, Fig. 24 is a side view of a weeding rotator,
第 2 5図は支持具を設け 支持軸の側面図、  Fig. 25 shows the side view of the support shaft with the support
第 2 6図は除草回転体を支持軸に嵌合した側面図、  Fig. 26 is a side view of the weeding rotating body fitted to the support shaft.
第 2 7図と第 2 8図は 2個合体型の除草回転体の組立説明図で、 第 2 7図は 2個合体型の除草回転体の分解側面図、 Fig. 27 and Fig. 28 are explanatory diagrams of the assembly of the two united type weeding rotator, Fig. 27 is an exploded side view of the two united type weeding rotator,
第 2 8図はその分解正面図、 Figure 28 is an exploded front view,
第 2 9図はその組立完了側面図、 Fig. 29 is a side view of the completed assembly.
第 3 0図はその組立完了正面図、 Fig. 30 is a front view of the completed assembly.
第 3 1 図は口一タ リ一草刈機の概略正面図、 Fig. 31 is a schematic front view of a mouth mower.
第 3 2図はその概略側面図、 Fig. 32 is a schematic side view,
第 3 3図はその概略平面図、 Fig. 33 is a schematic plan view,
第 3 4図はその概略底面図である。 FIG. 34 is a schematic bottom view.
第 3 5図は草払具を設けた口一タ リ一草刈機の 1例の正面図 第 3 6図は第 3 5図例のその底面図 Fig. 35 is a front view of an example of a mowing machine equipped with a brush cutter. Fig. 36 is a bottom view of the example of Fig. 35.
ェ 草刈機 2 奥刃付除草板 3 突片  D mower 2 Weeding board with back blade 3 Protrusion
4 前刃 5 奥刃 6 取付具  4 Front blade 5 Back blade 6 Mounting bracket
7 固定孔 8 ボルト 9 除草回転具 0 除草回転体 1 1 把手 1 2 把手受  7 Fixing hole 8 Bolt 9 Weeding rotating tool 0 Weeding rotating body 1 1 Handle 1 2 Handle holder
3 モータ 1 4 ベル卜カバ一 1 5 集草具  3 Motor 1 4 Belt cover 1 5 Harvester
6 風切板 1 7 スィ ヅチ 】 8 目' J囅  6 Wind cutting board 1 7 Switch
9 後輪 2 0 ベル卜 2 1 大プーリ ー 2 2 小プー リ — 2 3 支持具 2 4 支持軸 9 Rear wheel 20 Belt 2 1 Large pulley 2 2 Small pool — 2 3 Support 2 4 Support shaft
2 5 草払具 2 6 調節具 2 7 調節口  2 5 Weeding gear 2 6 Adjustment tool 2 7 Adjustment opening
2 8 係止溝 2 9 係止具 3 0 スラ イ ド 3 1 調節軸 3 2 車軸 3 3 差入口  2 8 Locking groove 2 9 Locking tool 3 0 Slide 3 1 Adjusting shaft 3 2 Axle 3 3 Inlet
3 4 埋合板 3 5 リ ング 3 6 棚  3 4 Buried plate 3 5 Ring 3 6 Shelf
3 7 前後両用輪 3 8 コントロールダイヤル 3 9 側板  3 7 Front and rear wheels 3 8 Control dial 3 9 Side plate
4 0 草払装置 4 1 スライドケ-ス 4 2 弾性体  4 0 Weeding device 4 1 Slide case 4 2 Elastic body
4 3 モータ隔壁 4 4 丁番 4 5 モータコントローラ 4 6 アングル短片 4 7 カバ— 4 8 切替支持具 4 3 Motor bulkhead 4 4 Hinge 4 5 Motor controller 4 6 Angle short piece 4 7 Cover 4 8 Switching support
4 9 切替具 5 0 排草空間 5 1 電源ソケッ 卜4 9 Switching tool 5 0 Weeding space 5 1 Power supply socket
5 2 排草壁 5 3 回動軸 5 4 回動支持体 5 5 回動排草体 5 6 切替軸 5 7 切替孔 5 2 Weeding wall 5 3 Rotating shaft 5 4 Rotating support 5 5 Rotating weed body 5 6 Switching shaft 5 7 Switching hole
5 8 回転軸 5 9 固定ナツ 卜 6 0 ロータ ー  5 8 Rotating shaft 5 9 Fixed nut 6 0 Rotor
6 1 ローターカバー 6 2 ス力一 卜 6 3 支持具  6 1 Rotor cover 6 2 Power cover 6 3 Support
6 4 ロ-タ！) -草刈機 6 5 係合軸  6 4 Rotor! )-Mower 6 5 engagement shaft
発明を実施するもめの最良の形態  BEST MODE FOR IMPLEMENTING THE INVENTION
本発明を よ り詳細に添付の図面に従って れを説明する 第 1 図よ り 第 4 図に於いて、 奥刃付除草板 2 は、 石の如き固型物に 激突しても変形が小なのが好ま し いので、 その突片 3 の平面形状 （ 第 1 、 第 2 、 第 3 図） 、 断面形状 [第 4図] と もに頑丈で、 前緣部 は直線状アーク状或いは角丸状等巾を有し、 その突片の断面は楔状 で下面が研削若し く は、 プレス加工で上向きで、 草払具の接触時の 激突を防ぐ。  FIGS. 1 to 4 illustrate the present invention in more detail in accordance with the accompanying drawings. In FIG. 4 and FIG. 4, the backed weeding board 2 has a small deformation even when struck against a solid object such as a stone. Is preferable, so that the protruding piece 3 has both a plan shape (FIGS. 1, 2 and 3) and a cross-sectional shape [FIG. 4], and a straight arc-shaped or rounded front portion. It has the same width, and its protruding piece has a wedge-shaped cross-section, and its lower surface is ground or pressed upwards to prevent collision when the weeder comes into contact.
又、 奥刃 5 は上向きの方が下向きよ り も、 当る石の衝撃が小さ い が、 芝生内の草刈り の 目的では下向きが好ま し く 、 地均しの 目的で は上向きの方が刃が損耗し難いので、 用途によ って変えるのが望ま し い。  In addition, the depth of the back blade 5 is smaller than that of the lower blade 5 than that of the lower blade.However, the lower blade 5 is preferable for mowing grass, and the upper blade is more suitable for leveling the ground. Since it is hard to wear, it is desirable to change it according to the application.
更に、 奥刃が内部で広がって いれば （第 2 図） その分容易に草が 刈れるが、 突片の根元が弱体にな り 、 折れ曲がり易いので、 強度を 保つ形状を要する。 Furthermore, if the back blade is widened inside (Fig. 2), the grass can be cut easily by that amount, but the base of the protruding piece becomes weak and it is easy to bend, so strength is increased. I need a shape to keep.
尚、 奥刃が上向きであれば、 奥刃を形成するための溝は扳体の下 面に形成されるが、 この場合草片はこびり付かないが、 若し下向き であれば溝が板体上面につく ので、 溝に草片がこびリ付き易い点が ある。 これら突片及ぴ奥刃の用途による形状は多様であるが適切な 形状と して芝生内の草刈機に用いて好ましい例をあげて詳述すると 、 第 5図より第 1 0図に於いて、 鋼板、 ステン レス鋼板等の刃物用 板材を主と して素材に用いて、 並列でかつ前縁が進行方向にほぼ対 向して所定巾で前刃 4を形成してある楔状断面の複数の突片 3 と、 前記各突片 3間に狭く とも主と して刈るべき茎根の太さ以上の巾で かつ突片 （ 3 ) 間の寸法の約 3 0 %以上、 約 2 0 0 %以内の深さで 、 鋭利な奥刃 5の最深部を設けるとともに、 該奥刃 5 を進行方向に 対向的に形成してある。 第 5、 6図に於いては、 突片の前緣をやや 中央で後退させたアーク形状で、 除草板は内方に湾曲せしめてある 又、 前刃は上向きでかつ、 奥刃は下向きに形成してある。  When the back blade is facing upward, a groove for forming the back blade is formed on the lower surface of the body, but in this case, the grass chip does not stick. There is a point that the grass chips tend to stick to the ditch because of the dust. Although the shapes of the projections and the back blades are varied depending on the application, a suitable example of a shape suitable for use in a lawn mower in a lawn will be described in detail with reference to FIGS. 5 to 10. A plurality of wedge-shaped cross-sections in which a front blade 4 is formed with a predetermined width in parallel and with a front edge almost facing the direction of travel, mainly using a blade material such as a steel plate, a steel plate, or a stainless steel plate as a material. The width between the protruding pieces 3 and the protruding pieces 3 is at least not less than the thickness of the stem root to be cut, and at least about 30% of the dimension between the protruding pieces (3), and about 200 The deepest portion of the sharp back blade 5 is provided at a depth of not more than%, and the back blade 5 is formed so as to face the traveling direction. In Figs. 5 and 6, the protruding piece has an arc shape with the front side slightly receded at the center, the weeding board is curved inward, and the front blade is upward and the rear blade is downward. It is formed.
第 7 、 8図に於いては、 中央で屈曲させた除草板に取付板 6 を設 けてあり、 この取付扳 6 を介して除草回転体 1 0の支持軸 2 4に設 けた支持具 2 3 と一体に固定してあるのが、 2枚の奥刃付除草板の 一方の奥刃と他方の奥刃付除草板の突片の回転位相を合わせてあり (第 9図中 α、 |3参照） 、 該回転体の外周の奥刃付除草板の回転面 をほぼ隙間なく さらわせる奥刃の配置であり 、 この奥刃付除草板の 後縁部を第 6図中の小円の破線に副った曲面に形成して図の如く取 付けてあれば、 矢印方向に回転せしめたとき、 弹カ的に、 かつ僅か に接触せしめた草払具に激突しない。  In Figs. 7 and 8, a mounting plate 6 is provided on the weeding plate bent at the center, and a support 2 mounted on the support shaft 24 of the weeding rotating body 10 via this mounting plate 6. The one that is fixed integrally with 3 is that the rotation phases of the protruding pieces of one of the two blades with the deep blade and the other with the rear blade are matched (α, | in FIG. 9). 3), and a rear edge of the outer peripheral surface of the rotating body is exposed to the rotating surface of the weeding plate with the inner blade with almost no clearance. The rear edge of the weeding plate with the inner blade is defined by a small circle in FIG. If it is formed on the curved surface following the broken line and is attached as shown in the figure, when it is rotated in the direction of the arrow, it will not hit the grass cutter that touched slightly and slightly.
上述の奧刃付除草板 2の 1実施例と して奥刃と突片巾 6 ミ リ 、 奥 刃の最深部の深さ 5 ミ リに形成してある場合では、 クロ一バーを主 体と した雑草を除草する場合、 除草回転体の外周に設けた除草板は 秒速 4〜 1 3米に可変と し、 逆転可能に構成するのが望ま しい。 秒速？〜 8米であれば、 新しく て比較的鋭利な奥刃である期間内に 於いて、 晩秋の芝生の表皮が比較的硬い時期に於いても、 芝生を殆 ど傷つけることもなく 、 1 5 c m程度長い芝生内の草を刈れる。 従って、 5 c m程度の芝生であれば、 ょ リ弹かれ易く、 秒速 1 0 〜 1 3米に除草板の作業.速度を設定しても、 芝生に致命的なダメー ジを与えないで、 除草できるこ とが多いが、 春期に於いては、 芝生 の表皮は柔らかく、 秒速 4 〜 7米程度に速度を落とさないと芝生に ダメージを与えるこ とがある。 又、 髙速で芝刈り も可能である。 それが故に刃の鋭利さ、 季節、 芝生の種類、 長さ、 大気や芝生の 湿度、 含水率等の複合的で計算できない要素のため、 現場で最も適 した作業速度に調整可能に構成することが重要である。 As an example of the above-described weeding board 2 with a back blade, when the back blade and the protruding piece are formed at a width of 6 mm and a depth of 5 mm at the deepest portion of the back blade, the clover bar is mainly used. When weeding such weeds, it is desirable that the weeding board provided on the outer periphery of the rotating weeds be variable at a speed of 4 to 13 rice per second and be configured to be reversible. per second? ~ 8 US, within a new and relatively sharp back edge Even in late autumn when the lawn epidermis is relatively hard, the grass in the lawn that is about 15 cm long can be cut without causing any damage to the lawn. Therefore, if the lawn is about 5 cm, it is easy to get rid of it, and weeding works at a rate of 10 to 13 rice per second, even if the speed is set without damaging the lawn. There are many things that can be done, but in the spring, the lawn's epidermis is soft and can damage the lawn unless the speed is reduced to about 4-7 rice per second. Lawn mowing is also possible at high speed. Due to the complex and non-calculatable factors such as blade sharpness, season, lawn type, length, air and lawn humidity, water content, etc., the work speed should be adjusted to the most suitable work speed on site. is important.
上述の奥刃付除草板を設けた芝生内の草刈機について図面によ り 実施例をあげて説明する。  A mowing machine in a lawn provided with the above-mentioned weeding board with a back blade will be described with reference to the drawings and embodiments.
[実施例一 1 ] (第 1 1図よ り第 2 0図参照）  [Example 1 1] (See Fig. 20 from Fig. 11)
前後両用型の芝生内の草刈機 1 は、 周縁を一定巾で折曲げて周り 緣を構成してある側板 3 9 を両側に設け、 前記両側板間に一方よ り 前後両用輪 3 7、 中央に除草回転体、 次いで再び前後両用輪 3 7が 設けてあり、 除草回転体 1 0の支持軸 2 4は側板 3 9 を貫通して外 側で、 大プー リ ー 2 1 を嵌着してあり 、 直上にはモータ一隔壁 4 3 内のモーター 1 3 の軸端が側板を貫通して突出し、 小プー リ 一 2 2 が嵌着してあり、 大小のプー リ 一はベルト 2 0で連結してある。 又、 大プー リ — 2 1 の真下には、 把手受 1 2が把手 1 1 の下端部 を所定角回動自在に支持しているが、 反対方向に把手を回動させれ ば、 2点鎖線で示す位置で、 保持できて、 逆進ができる。  The front and rear type lawn mower 1 is provided with a side plate 39 on each side having a peripheral edge formed by bending a peripheral edge at a fixed width, and a front and rear wheel 37, a center from one side between the both side plates. A weed rotating body, and then a front and rear wheel 37 are provided again.The support shaft 24 of the weed rotating body 10 penetrates the side plate 39 and is fitted with a large pulley 21 on the outside. The shaft end of the motor 13 in the motor partition wall 43 projects right above and projects through the side plate, and the small pulleys 22 are fitted.The large and small pulleys are connected by the belt 20. I have. In addition, just below the large pulley 21, the handle holder 12 supports the lower end of the handle 11 so that it can rotate by a predetermined angle, but if the handle is turned in the opposite direction, two points At the position shown by the dashed line, it can be held and reversed.
尚、 除草板は前後両縁に除草刃が設けてある。 （第 1 3図） 更に、 側板間では中段に中央部を除いて、 棚 3 6が端部迄設けてあ る。 その中央除草回転体 6の外周の軌道 Rの直上の水準に於いて、 両側壁内面に設けたスライ ドケース 4 1 に草払具の両端が緩嵌して あり、 該草払具 2 5 は断面がアングル形で、 両端にアングル短片 4 6が固定してあり 、 両側板内壁に設けたスライ ドケース 4 1 内の下 部に前記短片を上下に滑動自在に差し込んであって上方より ゴム製 の弾性体 4 2で下方に弹力で押さえられ、 カバー 4 7が弾性体 4 2 の脱落を防止し草払装置 4 0 を構成し、 草払具 2 5は奥刃付除草板 2 に弹カ的に接触するこ と になる （第 1 4、 第 1 8、 第 1 9図） 。 前記両側壁内面のスライ ドケース 4 1 の直下には回動軸 5 3が回 動支持体 5 4を回動自在に支持する。 The weeding board is provided with weeding blades on both front and rear edges. (Fig. 13) Further, between the side plates, a shelf 36 is provided up to the end except for the center in the middle. At the level immediately above the orbit R of the outer periphery of the central weeding rotary body 6, both ends of the weeding device are loosely fitted to the slide cases 41 provided on the inner surfaces of both side walls, and the weeding device 25 has a cross section. Is angled, angle short pieces 46 are fixed at both ends, and the slide case 41 provided on the inner wall of both side plates The short piece is slidably inserted up and down into the portion, and is pressed downward from above by a rubber elastic body 42 with a small force, and the cover 47 prevents the elastic body 42 from falling off, and the weeding device 40 is removed. Thus, the weeding device 25 comes into contact with the weeding plate 2 with the back blade in a natural manner (Figs. 14, 18, and 19). A rotating shaft 53 supports the rotating support 54 rotatably directly below the slide case 41 on the inner surface of the both side walls.
該回動支持体 5 4の左右 1対は前後の排草壁 5 2の左右両側端に 一体に固定せしめて回動排草体 5 5を構成してある。 そして後方に 於いて、 一端を側壁に回動自在に切替軸 5 6 で支持される切替支持 具 4 8の他端は排草壁 5 2の下端より約 3分の 1上方に回動自在に 取付けてある。 そして前記切替軸 5 6 に一端を固定した切替具 4 9 は切替孔 5 7によリ側板外面の上下 2個の突起のいずれかに嵌めて 固定し、 回動排草体の位置を調節できる （第 1 4図中の太い破線の 5 4又は太い実線及び第 1 2図） 。  A pair of left and right sides of the rotating support 54 is integrally fixed to both left and right ends of the front and rear weeding walls 52 to form a rotating weeding body 55. At the rear, the other end of the switching support 48 supported rotatably at one end on the side wall by the switching shaft 56 is rotatably mounted about one third above the lower end of the weeding wall 52. It is. The switching tool 49, one end of which is fixed to the switching shaft 56, is fitted into and fixed to one of the upper and lower two projections on the outer surface of the side plate by the switching hole 57 so that the position of the rotating grass body can be adjusted. The thick broken line 54 in Fig. 14 or the thick solid line and Fig. 12).
更に前後の排草壁の上端部には、 丁番 4 4で風切扳 1 6が回動自 在に取付けてあり、 該風切扳 1 6の下端縁部は前記棚の内端縁部の 上方にあり回動排草体 5 5が回動して排草壁が下がったときに棚の 上面に密接し、 空気流を円滑に集草具方向に通して、 集草し易くす る。  Further, a wind switch 16 is pivotally attached to the upper end of the front and rear weeding walls with a hinge 44, and a lower end edge of the wind switch 16 is an inner end edge of the shelf. When the weeding body 55 is turned upward and the weeding wall is lowered, it comes into close contact with the upper surface of the shelf, and allows the air flow to smoothly pass in the direction of the weeding tool to facilitate weeding.
従って、 外側壁の切替具 4 9 の操作で、 前後の排草壁を同時に回 動して、 一方の排草壁の内側に排草空域を大きく保ち、 他方の排草 壁の内面は除萆回転体の回転外周に近接する。 従って、 アップカツ トによ り回転前上方に排草空域を保持させるように回動排草体を回 動し停止させれば、 刈草は矢印 Q方向に除草回転体が駆動される と 小矢印の如く、 排草空域内を飛び草払具に払われて、 後方の集草具 1 5内に集まる。 従って刈草を充分集草しつつ草刈作業が行える。 尚、 前記切替軸の切替停止手段は多種あるが、 サーボモータに連 結して回動排草体の回動を制御する等、 回動支持体の回動停止を自 動制御するのは容易である。 そしてモータ隔壁 4 3内のモータコン 卜ローラ 4 5 を上方中央に突出するコン トロールダイヤル 3 8 で操 作して除草回転体の回転速度も手動或いは自動制御が容易である。 Therefore, by operating the switching device 49 on the outer wall, the front and rear weeding walls are simultaneously rotated to keep a large weeding air space inside one of the weeding walls, and the inner surface of the other weeding wall is a rotating body. Approach the outer circumference of rotation. Therefore, if the rotating weeding body is rotated and stopped so that the weeding air space is maintained above the rotation before the rotation by up-cutting, the cut grass is cut by the small arrow when the weeding rotator is driven in the arrow Q direction. As mentioned above, they fly in the weeding airspace and are paid by the grass cutter, and gather in the grass collector 15 behind. Therefore, mowing can be performed while collecting the mowing grass sufficiently. Although there are various types of switching stop means for the switching shaft, it is easy to automatically control the rotation stop of the rotation supporting body by controlling the rotation of the rotating grass body by connecting to a servomotor. is there. And the motor control inside motor bulkhead 43 The rotation speed of the weeding rotator can be easily controlled manually or automatically by operating the controller 45 with the control dial 38 projecting upward and centrally.
このモータコン トローラ一は除草回転体に設けた奥刃付除草板の 周回速度を毎秒 0米よ り 2 5米迄無段階で変速できるので、 除草板 の選択で芝刈り又は芝生内の草刈りの両作業が可能である。 従って 上述の自動制御で自走式に構成して本例の草刈機は広いゴルフ場の 芝生内の草刈機と しても使用できる。  This motor controller can continuously change the revolution speed of the weeding board with the back blade provided on the weeding rotating body from 0 to 25 US per second.Therefore, by selecting the weeding board, both lawn mowing and lawn mowing can be performed. Work is possible. Therefore, the mowing machine according to the present embodiment can be used as a mowing machine in a lawn of a wide golf course by being configured to be self-propelled by the automatic control described above.
更に本例の草刈機 1 には前後両用輪 3 7 で刈高さを調整する 1例 と して第 1 5、 第 1 6、 第 1 7図に於いて車軸 3 2の両端は、 金属 板製の左右の調節具 2 6 の下方に固定してあり、 これら車軸端の下 方には調節軸 3 1 が貫通せしめてあり、 1端を側板 3 9 の内壁に固 定してある。  Further, in the mower 1 of this example, the cutting height is adjusted by the front and rear wheels 37, and as an example, both ends of the axle 32 in FIGS. 15 and 16 are metal plates. The left and right adjusters 26 are fixed below, and an adjusting shaft 31 penetrates below these axle ends, and one end is fixed to the inner wall of the side plate 39.
そして、 上記調節具 2 6 の中央部よ り上方に向けてスライ ド溝 3 0が開口せしめてあり、 このスライ ド溝 3 0に沿って滑動自在に構 成してある係止具 2 9が最上部に位置するとき （第 1 7図参照） 、 調節具 2 6 は調節口 2 7 を上端よ り下端迄、 調節軸 3 1 を中心に回 動自在であり、 調節具 2 6 を適宜の位置、 例えば、 中断 （破線） 、 (第 1 5図） よ り最上段に移すには、 係止具 2 9 を上方にスライ ド させて係止溝 2 8 の上方に調節具 2 6 を回動させて （ 2点鎖線） 、 3段のうちで最上部の係止溝 2 8 に合わせて下方にスライ ドさせれ ば良い （第 1 7図） 。 このとき、 この前後両用輪 3 7 は車軸 3 2 を 上方に引き上げも分お'け、 上方に高く 吊り上げられて、 その位置に 高さが設定される。  A slide groove 30 is opened upward from the center of the adjusting tool 26, and a locking tool 29 slidably formed along the slide groove 30 is provided. When located at the uppermost position (see Fig. 17), the adjustment tool 26 can be rotated about the adjustment shaft 31 from the upper end to the lower end of the adjustment port 27, and the adjustment tool 26 can be attached to the appropriate position. To move it to the top position from the position, for example, interruption (dashed line) or (Fig. 15), slide the locking tool 29 upward and turn the adjusting tool 26 above the locking groove 28. It can be moved (two-dot chain line) and then slide down to match the topmost locking groove 28 of the three steps (Fig. 17). At this time, the front and rear wheels 37 also lift the axle 32 upward, are lifted high upward, and the height is set at that position.
上述の如き操作によ り、 3段の係止溝 2 8 の何れかに調節具 2 6 を固定できるので、 本例の草刈機の刈高さは 3段に設定可能である 尚、 前記係止具に弾性体を介して、 下方八の戻り圧を加えておく と操作し易く好ま しい。  By the above-described operation, the adjusting tool 26 can be fixed to any of the three-step locking grooves 28, so that the cutting height of the mower of this example can be set to three steps. It is preferable to apply a return pressure of the lower eight through the elastic body to the stopper, because it is easy to operate.
上述例のスライ ド型調節装置は構造が簡単で单輪の操作にも応用 できる。 [実施例 2 ] (第 2 1、 第 2 2、 第 2 3図参照） The slide type adjusting device of the above example has a simple structure and can be applied to wheel operation. [Example 2] (Refer to Fig. 21, Fig. 22, Fig. 23)
除草回転具の取換構造を草刈機に適用した一例で、 草刈機 1 は、 周縁を所定巾折リ曲げて、 周緣を構成してある側板 3 9 を雨側に設 け、 両側板間に前方よ り前輪 1 8、 除草回転体 1 0 と上下の草払具 2 5、 前後のモータ隔壁 4 3間に乇一ター 1 3、 後輪 1 9の順に配 され、 除草回転体の一方の外側には大プーリ 一が、 モータ 1 3 の外 側には小プー リ ーを設けて、 ベルトで除草回転体と連結される。 除草回転体は 4枚の奥刃付除草板を固定する平板製で十字形の取 付具 6 を支持具 2 3 に係合せしめて支持軸に着脱自在に取り付けて 成る。  This is an example in which the replacement structure of the weeding rotary tool is applied to a mower.The mower 1 is configured such that the peripheral edge thereof is bent at a predetermined width and the side plate 39 constituting the peripheral side is provided on the rain side, and between the side plates. From the front, the front wheel 18, the weeding rotating body 10 and the upper and lower weeding tools 25, the front and rear motor bulkheads 43 are arranged in this order from the center 13, the rear wheel 19, and one of the weeding rotating bodies. A large pulley is provided on the outside, and a small pulley is provided on the outside of the motor 13. The pulley is connected to the weeding rotating body by a belt. The weeding rotator is made of a flat plate-shaped fixing member 6 for fixing four weeding blades with a back blade, and is detachably attached to a supporting shaft by engaging a supporting member 23 with a supporting member 23.
詳しくは、 取付具 6の中央の軸孔は軸巾で前記基板間方向外方に 切り開いて、 差入口 3 3 を形成してあリ、 支持軸 2 の所定位置に 平板で方形の支持具 2 3が、 取付具 6 と合う位置で、 支持軸に一体 に固着せしめてあり、 該支持具 2 3 には前記差入口 3 3 を切り開い て除去した部分の埋合板 3 4を固着せしめてある。  More specifically, the central shaft hole of the mounting member 6 is cut out outward in the inter-substrate direction with a shaft width to form an insertion port 3 3, and a flat supporting member 2 is provided at a predetermined position of the supporting shaft 2. 3 is integrally fixed to a support shaft at a position where it fits with the mounting member 6, and the buried plate 34 of the portion removed by cutting out the insertion port 33 is fixed to the support member 23.
本例に於いて、 除草回転体は取付具 6の差入口 3 3 より支持軸 2 4に差入れ、 取付具の 4個の取付孔を支持具のボル卜 8に合わせて 入れながら、 取付具と支持具を密着させ、 ナツ 卜で締め付ければよ い。 逆の順序で、 除草回転具が支持軸から外せるのは、 明白である 従って、 4枚の草刈板全てが同時に箇単に着脱自在であり、 本例 の除草回転体は埋合板 3 4によ り重量配分も良く、 回転バラ ンズを 損なわない。  In this example, the weeding rotator is inserted into the support shaft 24 from the insertion port 3 3 of the fixture 6, and the four mounting holes of the fixture are aligned with the bolts 8 of the support, and the weeding rotary body is connected to the fixture. Just attach the support and tighten with a nut. It is clear that the weeding rotator can be disengaged from the support shaft in the reverse order. Therefore, all four mowing plates can be simply detached at the same time, and the weeding rotator in this example is provided by the embedding plate 34. The weight distribution is good and the rotating balance is not damaged.
本発明によれば、 除草回転具が容易に交換できるので作業対象物 に適した刃型が選べる。  ADVANTAGE OF THE INVENTION According to this invention, since the weeding rotation tool can be replaced easily, the blade type suitable for the work target can be selected.
除草回転具の直径を種々に異なるサイズを同時に用意できるので 除草板の作業スピー ドが変更できる。  Since the diameter of the weeding rotary tool can be simultaneously prepared in various sizes, the working speed of the weeding board can be changed.
現場に取換用予備品を用意できるので、 除草板の損耗時に簡単に 交換できるから作業が能率的になる。  Replacement spare parts can be prepared on site, and when the weeding boards are worn, they can be easily replaced.
着脱が容易であるから、 分解清掃が早くかつ、 完全に行なえる。 [実施例 3 ] (第 2 4、 第 2 5 、 第 2 6図参照） Easy disassembly allows quick and complete disassembly and cleaning. [Example 3] (See Figs. 24, 25 and 26)
本例は実施例 2 の応用であり、 それと異なる除草回転体部分を説 明する。  This example is an application of Example 2 and describes a different weeding rotator part.
除草回転体の支持軸 2 4には、 複数の支持具 2 3が設けてあって 5 支持軸孔を中心に設けたリ ング 3 5 は、 支持具 2 3 及び支持軸 2 4 及ぴ埋合板 3 4 と一体に溶着せしめてある。  A plurality of supports 23 are provided on the support shaft 24 of the weeding rotating body.5 A ring 35 provided around the support shaft hole is provided with the support 23, the support shaft 24, and the embedding plate. It is welded together with 3 4.
一方取付具 6 は中央の軸孔がリ ング 3 5 に嵌め込める大きさで、 かつ支持軸に差し込める巾で 2枚の除草板 2 の中間方向に切り開い てあつて、 差入口 3 3が設けてある。  On the other hand, the mounting fixture 6 is large enough to fit the center shaft hole into the ring 35, and is cut open in the middle direction between the two weeding boards 2 with a width that can be inserted into the support shaft, and the insertion port 33 is provided. It is.
0 従って本例の取付具 6の中央の軸孔を リ ング 3 5 に嵌め込めば、 取付具 6のボルト孔と支持具 2 3 のボル卜孔とが合うのでボル卜 と ナッ トで締着できる。 0 Therefore, if the shaft hole at the center of the fixture 6 in this example is fitted into the ring 35, the bolt hole of the fixture 6 matches the bolt hole of the support 23, so tighten with the bolt and nut. it can.
本例も実施例 2 と同じく差入口を設けてあり 、 軸孔は、 大き く て も、 その中央 支持軸が入り、 支持具に取付具を一体に締着するこ 5 とで、 全ての除草板を同時に着装でき、 又逆の手順で外せるので実 施例 2 と同じ作用効果が得られる。  In this example, as in the case of Example 2, the entrance is provided. Even if the shaft hole is large, the center support shaft enters, and the mounting fixture is fastened together with the support. Since the boards can be simultaneously worn and can be removed in the reverse order, the same operation and effect as in the second embodiment can be obtained.
[実施例 4 ]  [Example 4]
本例は同一の形状に 2個で構成した除.草回転具の 1 実施例で、 支 持軸 2 4に固着した両側の耳状の支持具 2 3 に見合う位置に設けも 切込みと、 軸孔を切り開いた差入口 3 3 を具えた平板製の取付具 6 に各 2枚の奥刃付除草板を固定してあり 、 上下方向逆向きに支持軸 2 4の支持具 2 3 を基準に左右から合わせて、 ボル 卜 8 とナツ 卜で 締め付けてある。  In this example, two turret rotation tools are used, and the rotator is an embodiment of the turf rotation tool, which is provided at a position corresponding to the ear-shaped support members 23 fixed to the support shaft 24 on both sides. Two weeding plates with back blades are fixed to a flat plate attachment 6 having a slotted opening 3 3, and the up and down direction is opposite to the support 23 of the support shaft 24. It is fastened with bolts 8 and nuts from the left and right.
逆の順序で、 除草回転体を分解して 2個の除草回転具を外せるの は明白である。  Obviously, in the reverse order, the weeding rotator can be disassembled to remove the two weeding rotators.
上述の如く 、 2個での除草回転具は同一形状が可であり 、 製造コ ス ト 、 交換の簡便さで優れ、 また重量配分が良く 、 回転バラ ンスが 良い。  As described above, the two weeding rotation tools can have the same shape, and are excellent in manufacturing cost and easiness of replacement, and have good weight distribution and good rotation balance.
[実施例 5 ] (第 3 2 、 第 3 3 、 第 3 4、 第 3 5図参照） 4 [Example 5] (Refer to Fig. 32, 33, 34, 35) Four
1 6 1 6
ロータリ一草刈機 6 4には、 正逆両転で草刈作業可能な除草板の 1枚をローター 6 0のスカー ト 6 2の最低部の支持具に両端部が固 定してある。 最も力の加わる雨端で固定するので、 折損し難い。  In the rotary mower 64, one of the weeding plates capable of mowing both forward and reverse is fixed to the lowermost support of the scart 62 of the rotor 60 at both ends. Since it is fixed at the rainy edge where the most force is applied, breakage is difficult.
この口一ター 6 0 は円盤状で、 その周縁はスカー 卜 6 2 の上縁の 固着部より僅かに全周が出張っていて、 刈草が上面に回リ込まない 形状になっている。 又そのスカートの下がリ巾は一定でなく 、 1 8 0度で対する最低部の間は滑かに最上部迄傾斜していて、 最上部は 前記最低部の中間に位置するので、 最低部同様に最上部も 1 8 0度 で対している。 このスカー トの切リ上がった部分の下縁と、 除草板 1 の回転面との間に刈草の排草空間 5 0が生ずる。  The mouth 60 has a disk shape, and its peripheral edge is slightly all the way from the fixed portion of the upper edge of the scar 62, so that the cut grass is not turned into the upper surface. The width of the lower part of the skirt is not constant, and the slope between the lowest part at 180 degrees is smoothly inclined to the uppermost part, and the uppermost part is located in the middle of the lowest part. Similarly, the top is at 180 degrees. A grass weeding space 50 is formed between the lower edge of the cut portion of the scart and the rotating surface of the weeding board 1.
又、 このローター 6 0は中央をモータ 1 3 の回転軸が貫通し、 固 定ナッ ト 5 9で固着せしめてある。  The rotor 60 has a rotating shaft of the motor 13 penetrating the center thereof and is fixed by a fixed nut 59.
従って上記口一ターが高速で回転しても、 スカー トの下縁は同一 円周上を回り、 かつ滑かに上下にゆるく傾斜しつつ回転することに なるので、 空気抵抗も小で、 強度が大になり又、 逆転により草のか らみは除かれる。  Therefore, even if the mouth rotates at a high speed, the lower edge of the scar rotates around the same circumference and rotates smoothly and gently up and down, so that the air resistance is small and the strength is low. And the reversal removes the grass.
上記ローター 5 1 の前輪支持部及びその続く後部上方はローター カバー 6 1がおおっていて、 中央部上方にモータ 1 3が取付けてあ る。 このモータ 1 3 の左右両側には左右の前輪 1 8が設けてあリ、 モータのやや後方の左右に把手 1 1が把手受 1 1 で回動自在に取り 付けてある。 この把手 1 1 のにぎりの部分にはスィ ッチ 1 7が設け てあり、 正逆転自在である。 又、 ロータ一カバ一 6 1 の下面に於い てはロータ一の回転域よリ後方は除草板 1 と同一水準で下面にも力 バーが上部と連続して形成してあり、 後方の集草具 1 5に連通する フー ドの底面になっている。 更にこの下面の後方中央には後輪 1 9 が取付けてある。  A rotor cover 61 covers the front wheel supporting portion of the rotor 51 and the rear upper portion following the front portion, and a motor 13 is mounted above the central portion. Left and right front wheels 18 are provided on both left and right sides of the motor 13, and handles 11 are rotatably mounted on left and right sides of the motor slightly behind the motor 11 by handle holders 11. A switch 17 is provided on the grip of the handle 11 so that the handle 11 can be rotated forward and backward. In addition, on the lower surface of the rotor cover 61, the rear of the rotation range of the rotor 1 is at the same level as the weeding board 1, and a force bar is also formed on the lower surface and continuously with the upper portion. It is on the bottom of the hood that communicates with weeds 15. Further, a rear wheel 19 is mounted at the rear center of the lower surface.
前述の 2個の前輪及び 1個の後輪を所定高さ迄上下に調整可能に 構成して、 ローターの刈高さが調節できる し、 ローターカバーに取 付けたロータ一を所定寸法上下に調整する手段などで、 ローターの 刈高さを調整できるこ とは明白である。 The two front wheels and one rear wheel mentioned above can be adjusted up and down to a predetermined height so that the cutting height of the rotor can be adjusted, and the rotor attached to the rotor cover can be adjusted up and down to a specified size By means of the rotor It is clear that the cutting height can be adjusted.
かく て除草板 1 の回転速度を秒速 1 〜 1 3米の範囲内の適宜の値 に調節するモ一ターコン 卜ローラ一をコン トロールダイヤル 3 8の 操作で制御して芝生内の草刈り或いは芝草刈り を行なえる。  Thus, the motor controller that adjusts the rotation speed of the weeding board 1 to an appropriate value within the range of 1 to 13 rice per second is controlled by operating the control dial 38 to cut the grass or cut the grass. Can be performed.
尚、 上述例の応用の 1例と して、 第 3 5、 第 3 6図に於いて、 口 —ターカバ一 6 1 の下端縁部に平角長板の両端部を一体に取付けた 草払具 2 5 の中央に設けた係合軸お 3 に除草板 2 の中央に設けた軸 孔を回転自在に軸着せしめる と ともに、 該草払具に近接或いは接触 せしめて、 ロータ一を駆動し、 草払いと同時に芝草を挾み切るこ と ができる。  In addition, as an example of the application of the above-mentioned example, in FIGS. 35 and 36, a weeding tool in which both ends of a flat rectangular plate are integrally attached to a lower end edge of a mouth-cover cover 61 is shown. 25, the shaft hole provided at the center of the weeding plate 2 is rotatably mounted on the engaging shaft 3 provided at the center of the weeding plate 2, and the rotor is driven by approaching or making contact with the weeding implement. The grass can be cut off at the same time as weeding.
尚、 上記平角長板状草払具は前、 或いは後に放射状の形等も好ま しい。  In addition, it is preferable that the flat rectangular plate-like weeding implement has a radial shape before or after.
こ の例では、 低速でロータ一を回転させての除草或いは芝刈りが 可能となるが、 平刃よ りも奥刃付除草板を用いるこ と によ り 、 よ り 低速での芝草刈りが可能となる。 突片間で芝草をキャッチし、 滑り にく く させるからである。 又、 正逆両転によるのは一層望ま しい。 上記諸例に於いて自動車体化或いは、 トラクターに索引さ しめ、 除草回転体の回転速度の制御、 各種の除草板の使用によ り、 上述の 如き草刈り と地均し、 芝刈り或いは芝生内の草刈り を適宜に行う こ とができる。 産業場の利用可能性  In this example, weeding or lawn mowing can be performed by rotating the rotor at a low speed, but by using a weeding board with a deep blade rather than a flat blade, lawn mowing can be performed at a lower speed. It becomes possible. This is because turfgrass is caught between the projecting pieces, making it less slippery. It is even more desirable to use both forward and reverse rotation. In the above examples, by turning the vehicle into a car or indexing to a tractor, controlling the rotation speed of the weeding rotating body, and using various weeding boards, mowing and leveling as described above, lawn mowing or in the lawn Mowing can be performed appropriately. Availability of industrial sites
以上のよう に本発明にかかる草刈機は、 除草板の高速回転で芝生 を含む雑草を除草し、 適宜な速度で回転駆動せしめて、 芝生内の雑 草を芝生を残して刈れるのみならずゴルフ場、 庭園、 農場等で地均 しを兼ねて除草作業を能率よ く行なえるので、 除草剤の使用を抑制 或いは無用にでき農薬公害を減少させるこ とができる。  As described above, the mower according to the present invention not only cuts the weeds in the lawn while leaving the lawn, while weeding the lawn and other weeds by rotating the weeding board at a high speed and rotating the weed at an appropriate speed. Since weeding work can be performed efficiently at the same time as the ground leveling at golf courses, gardens, and farms, the use of herbicides can be suppressed or eliminated, and the pollution of pesticides can be reduced.

Claims

請 求 の 範 er  Claim range er
1 多数の突片間に奥刃を設けも奥刃付除草板を複数回転体の外周 に設けて構成した除草回転体を回転自在に支持せしめた車体に原 動機を設け、 該原動機に前記回転体を連結するとともに、 該奧刃 付除草板の奥刃で、 除草回転体の回転外周域の所定範囲内を隙間 なくさらわせる奥刃の配置となら しめるべく該各奥刃付除草板の 回転時の位相を調整して除草回転体に設けてある草刈機。  (1) A motor is provided on a vehicle body which rotatably supports a weeding rotator constructed by providing a back blade with a back blade on the outer periphery of a plurality of rotators, and also providing a back blade between a number of protrusions. The body is connected and the back blade of the weeding board with the back blade is rotated by the back blade of the weeding board with the back blade so that the predetermined range of the rotation outer peripheral area of the weeding rotary body is exposed without a gap. A mower mounted on the weeding rotary body by adjusting the phase of the time.
2 多数の突片間に奥刃を設けた奥刃付除草板を複数回転体の外周 に設けて構成した除草回転体を回転自在に支持せしめた車体に原 動機を設け、 該原動機に前記回転体を連結するとともに、 該除草 回転体の草払具を前記車体に設け、 かつ前記除草回転体の回転外 周域の所定範囲内を隙間なく さらわせる奥刃の配置となら しめる ベく、 前記複数の奥刃付除草板の回転時の位相を調整して除草回 転体に設けてある草刈機。  (2) A motor is provided on a vehicle body which rotatably supports a weeding rotary body configured by providing a weeding plate with a deep blade provided with a deep blade between a number of projecting pieces on the outer periphery of a plurality of rotating bodies, and The body is connected, and a weeding device for the weeding rotator is provided on the vehicle body, and a back blade is arranged so that a predetermined range of a rotation outer peripheral region of the weeding rotator is exposed without a gap. A mowing machine mounted on a weed rotation body by adjusting the rotation phase of a plurality of weeding blades with back blades.
3 多数の突片が並列で、 かつ前縁が進行方向にほぼ対向して、 所 定巾で鈍刃を形成してあり、 前記各突片間に狭く とも主として刈 るべき茎根の太さ以上の巾で、 かつ突斥間の寸法の 3 0 %以上、 約 2 0 0 %以内の深さで奥刃の最深部を設けてある請求の範囲第 1項又は第 2項記載の草刈機。  3 A number of protruding pieces are arranged in parallel, and the leading edge is almost opposite to the direction of travel, forming a blunt blade with a predetermined width. 3. The mower according to claim 1 or 2, wherein the deepest part of the back blade is provided with a width of not less than 30% of a dimension between the repulsions and a depth of not more than about 200%. .
4 奥刃付除草板の除草周回速度を少なく とも秒速 4 ~ 1 3米の範 囲内の適宜の値に調節する手段を設けるとともに、 該奥刃付除草 板の草払具を支持軸の高さよリ上方に於いて、 設けてある請求の 範囲第 1項乃至第 4項のいずれかに記載の草刈機。 (4) Provide a means to adjust the weeding orbiting speed of the weeding board with back blade to an appropriate value within the range of 4 to 13 U.S. at a minimum, and adjust the weeding tool of the weeding board with back blade to the height of the support shaft. The mowing machine according to any one of claims 1 to 4, wherein the mowing machine is provided at an upper part of the mower.
5 草払具が奥刃付除草板に弹カ的に近接或いは接触せしめてある 請求の範囲第 4項記載の草刈機。 5. The mowing machine according to claim 4, wherein the weeding implement is close to or in contact with the weeding board with a back blade.
6 奥刃付除草板が、 後縁部にも前緣部の如き除草刃を設けリ とと もに除草回転体を逆転可能に構成してある請求の範囲第 5項記載 の草刈機。 * 6. The mowing machine according to claim 5, wherein the weeding board with a back blade is provided with a weeding blade such as a front part at a rear edge portion so as to be able to reverse the weeding rotating body. *
7 前後の排草壁を、 両側の回動支持体に一体に固定するととも に、 該回動支持体の回動軸を両側の支持壁に回動自在に設けてあ り、 かつ所定の排草位置に停止せしめる手段を設けてある前後両 用型の草刈機。 7 The front and rear weeding walls are integrally fixed to the rotating supports on both sides, and the rotating shafts of the rotating supports are rotatably provided on the supporting walls on both sides. And a front and rear type mower equipped with a means for stopping at a predetermined weeding position.
除草回転体の上方に刈草排除空間を設け、 該空間の上方に原動 機を設け、 前記空間に連通する集草具を前及び後に設けて成る請 求の範囲第 7項記載の草刈機。  The mowing machine according to claim 7, wherein a mowing grass exclusion space is provided above the weeding rotating body, a prime mover is provided above the space, and a mowing tool communicating with the space is provided before and after.
除草回転体の回転時の最低水準を上下に調節する機構を設けて 成る請求の範囲第 1項乃至第 8項記載の草刈機。  9. The mowing machine according to claim 1, further comprising a mechanism for adjusting a minimum level of the rotating weeding body during rotation up and down.
回転自在に車体に支持される除草回転体がリ ール式のとき、 支 持具に係合して支持軸に着脱自在である除草回転具が除草板に固 定した取付具の軸孔を除草板間の外方に向けて、 狭く とも軸巾で 開けてある除草回転具の取換構造。  When the weeding rotator rotatably supported by the vehicle body is of the reel type, the weeding rotator that engages with the support and is detachable from the support shaft has the shaft hole of the fixture fixed to the weeding plate. A replacement structure for a weeding rotation tool that is narrow and open at the width of the shaft toward the outside between the weeding boards.
除草回転具が複数から成り、 各々の除草回転具に設けた取付具 の対応する相互を締着せしめて成る請求の範囲第 1 0項記載の除 草回転具の取換構造。  10. The replacement structure for a weeding rotator according to claim 10, wherein the weeding rotator comprises a plurality of weeding rotators, and the fittings provided on each of the weeding rotators are fastened to each other.
中央上部に設けた原動機で回転駆動される円形ローターの外周 下方に複数の高低部のあるスカ一 トを設ける と共に、 該ス力一 卜 の低下縁部に除草板を取付けて成るロータ リ'一草刈機。  A rotary rotor having a plurality of high and low skirts provided below the outer periphery of a circular rotor rotatably driven by a prime mover provided at the upper center, and a weeding plate attached to a lower edge of the power unit. Mower.
口 一ターカバーと一体に設けた原動機で回転駆動される円形口 —タ 一の外周よ り所定寸法内側に下向きに複数の髙低部を形成し たスカー 卜を設けると共に、 該ス力一 卜の低部下縁の少なく とも 2箇所に端部を取付けた除草板の中央と、 前記ローターカバーの 下緣部に少なく とも 2箇所の端部で固定した草払具の中央とを回 動自在に軸着せしめてあり、 かつ該除草板と草払具とを密接或い は接触せしめて成るロータ リ ー草刈機。  A circular port which is rotatably driven by a prime mover provided integrally with the mouth cover is provided with a plurality of lower portions formed downwardly inside a predetermined dimension from the outer periphery of the motor, and a The center of the weeding board with the ends attached to at least two places at the lower edge of the lower part, and the center of the weeding implement fixed at at least two places at the bottom of the rotor cover. A rotary mower, which is dressed, and wherein the weeding board and the weeder are brought into close contact with each other.
PCT/JP1992/000540 1991-08-30 1992-04-24 Mowing machine, structure thereof for discharching mowed grass, and structure for replacing rotary weeder WO1993004574A1 (en)

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JP3/298598 1991-08-30
JP3298598A JP2715394B2 (en) 1991-08-30 1991-08-30 Mower in governing lawn

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US6990770B2 (en) * 2003-10-06 2006-01-31 Steven J. Terrell & Associates, Inc. Apparatus for trimming and chemically treating trees
US9301458B2 (en) 2011-05-05 2016-04-05 Steven J. Terrell Apparatus for general tree trimming or precision tree trimming having an aerial tank
US9307704B2 (en) 2011-05-05 2016-04-12 Steven J. Terrell Apparatus for general tree trimming or precision tree trimming
US10492373B2 (en) 2011-05-05 2019-12-03 Steven J Terrell Apparatus for aerial tool configurations
US10492372B2 (en) 2011-05-05 2019-12-03 Steven J Terrell Apparatus for aerial tool configurations
US10798877B2 (en) 2011-05-05 2020-10-13 Steven J Terrell Apparatus for aerial tool configurations
US11330766B2 (en) 2011-05-05 2022-05-17 Steven J Terrell Apparatus for aerial tool configurations
US11382279B2 (en) 2011-05-05 2022-07-12 Steven J Terrell Apparatus for aerial tool configurations
EP3677108A1 (en) * 2018-12-24 2020-07-08 Klaus Wallner Cutting knife
USD931066S1 (en) * 2020-02-14 2021-09-21 Leonard W. Angelastro Blade guard
CN113826606A (en) * 2021-09-07 2021-12-24 程瑞琪 Gardening weeder
CN113826606B (en) * 2021-09-07 2023-05-02 山东朗森机械有限公司 Gardening weeding machine

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JPH05199809A (en) 1993-08-10
AU1673492A (en) 1993-04-05
JP2715394B2 (en) 1998-02-18

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