JP2006320270A - Mower - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mower inhibiting scatter of stones, etc., to the front and other side of the mower, flexibly and vertically following to unevenness of a reaping face, easily sliding the reaping face, carrying out reaping smoothly and safely. <P>SOLUTION: The mower comprises a cutting blade cover 10 for protection installed on the front face of a rotary cutting blade installed on the front face, and a stone scattering inhibiting cover comprising a front cover 13 directly attached on a front face of the traveling direction of the cutting blade cover 10 and side covers 14 attached through an attaching members on the both sides of the cutting blade cover 10. The side covers 14 comprises oblong side sections 14a composed of rubber and canvas composite and front face sections 14b curved to inside with a predetermined angle from the side face section 14a with tapered form to the end. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a grass mower provided with a stepping stone prevention cover for preventing flying stones or the like scattered from a gap in a cutting surface for cutting weeds breeding on a riverbed or bank.

2. Description of the Related Art Conventionally, a mower has a rotary cutting blade that is rotated horizontally or in a traveling direction by the engine at the front and lower part of a body equipped with an engine and a traveling device such as a wheel. A prevention cover such as stepping stones that also serves as a safety measure covered with a cover is attached. It is shown in Patent Document 1 or Non-Patent Document 1 provided with a prevention cover such as this type of stepping stone.
Japanese Utility Model Publication No. 5-18895 Komatsu Zenoah 2005 Catalog Zeno Hammer Knife More ZHM1510 / ZMH1710 (5 pages)

  However, in the conventional mowers described above, many are attached to the front due to the rotational direction of the rotary blade, and in Patent Document 1, the stone jumping prevention plate is lowered along the front edge of the cutting blade cover. However, there was a problem that stepping stones could not be prevented from the gap between the cutting blade cover and the side surface of the stone jumping prevention plate.

  Further, in the mower in Non-Patent Document 1, a scattering prevention chain is attached to the front surface. However, when the mowing machine sways to the left and right, a gap is formed between the scattering prevention chains, and a stone or the like is formed from the gap. There was a problem of popping out. Furthermore, the scattering prevention chain does not follow up and down flexibly with respect to the unevenness of the trimming surface, so that there is a problem that a gap is generated in the vertical direction, and stones or the like jump out. The scattering prevention chain may be caught if there are obstacles such as stumps, which may cause an obstacle to work. Furthermore, this mowing machine also considers only the front as in Patent Document 1, and there is a problem that no countermeasure is taken in the lateral direction.

  The present invention has been made in view of the above-described conventional problems, and prevents falling stones and the like on the front and side surfaces of the mower, and also flexibly follows the unevenness of the cutting surface, making the cutting surface easy to slide. Therefore, the present invention provides a cover for preventing falling stones that can be smoothly and safely operated.

  In order to solve the above-described problems, the present invention provides a mower having a protective cutting blade cover directly attached to the front surface of the rotary cutting blade disposed on the front surface, and is directly attached to the front surface in the traveling direction of the cutting blade cover. A mowing machine provided with a flying stone prevention cover comprising a front cover and a side cover attached to both sides of the cutting blade cover via attachment members.

Further, the subject of the present invention is formed from a front cover disposed on a front surface of a cutting blade cover of a mower, and side covers attached to both side surfaces of the cutting blade cover via attachment members, The cover is made of rubber rubber with canvas formed in a rectangular shape, and can be achieved by the configuration of a mower having a flying stone prevention cover fastened with a bolt to the front surface of the cutting blade cover of the rotary cutting blade. .

  Further, the object of the present invention is formed from a front cover directly attached to a front surface of a cutting blade cover of the mower, and side covers attached to both side surfaces of the cutting blade cover via attachment members. The side cover is provided with a stepping stone prevention cover comprising a side part formed in a rubber rubber rectangular shape containing canvas, and a front part bent inward at a predetermined angle from the side part and having a tapered tip. Can be achieved by the configuration of the mower that is.

  The subject of the present invention is formed from a front cover directly attached to the front surface of the cutting blade cover of the mower, and side covers attached to both side surfaces of the cutting blade cover via attachment members, The front cover is made of rubber rubber with a canvas formed in a rectangle, and is bolted directly to the front surface of the cutting blade cover of the mower, and the side cover is a side surface formed in a rectangle made of rubber rubber with a canvas. And a front part bent inward at a predetermined angle from the side part, and a structure of a grass cutter provided with a stepping stone prevention cover attached to the side face of the cutting blade cover of the lawn mower via an angle. Can be achieved.

  Furthermore, the subject of the present invention is a mower having a protective cutting blade cover directly attached to the front surface of a rotary cutting blade disposed on the front surface, and is directly attached to the front surface of the cutting blade cover of the mower. A front cover and side covers attached to both side surfaces of the cutting blade cover via attachment members, and the front cover is made of rubber rubber with a canvas and formed in a rectangular shape. The side cover is fastened with bolts to the front surface of the blade cover, and the side cover includes a side portion formed in a rubber rubber rectangle containing canvas, and a front portion bent inward at a predetermined angle from the side portion, It can be achieved by a configuration of a mower equipped with a stepping stone prevention cover that is attached to a side surface of a cutting blade cover of the mower through an angle, and the predetermined angle is 120 to 150 degrees.

    Since the weeding machine shown in Non-Patent Document 1 travels not only on a flat ground but also on a rough surface, the frame of the stepping stone prevention cover is used as a frame for the stepping stone prevention cover. Since pressure is applied from all directions and excessive pressure is applied to the frame body when the traveling speed is increased, the weed density is strong and flexible, and thin steel materials such as L-type steel materials are lightweight. From the above, it is preferable as a frame body for a stepping stone prevention cover.

  As a stepping stone prevention cover attached to the mower of the present invention, when considering the strength and flexibility against friction during work, it is necessary to increase the thickness of a normal rubber rubber, and according to a rubber rubber containing canvas, strength, flexibility and It is excellent in durability and can be reduced in thickness.

  The present invention, as described above, by the front cover directly attached to the front surface of the cutting blade cover for preventing flying stone of the mower, and the side covers attached to both side surfaces of the cutting blade cover via attachment members, Since stepping stones scattered in all directions can be prevented, safety can be achieved not only for workers but also for surrounding third parties.

  In addition, the front cover and side cover attached to the mowing blade cover of the mower are made of elastic rubber rubber with a canvas, so they can flexibly follow up and down the unevenness of the cutting surface and slide the cutting surface. Easy, smooth and safe mowing.

The best mode of the mower according to the present invention will be described with reference to the drawings.
1 is a partially broken perspective view showing a mower equipped with a stepping stone prevention cover according to the present invention, FIG. 2 is a front view showing a front cover of the stepping stone prevention cover of the present invention, and FIG. 4 is a front view showing a side cover of the stepping stone prevention cover of the mower of the present invention, FIG. 5 is a plan view of the side cover of FIG. 4, and FIG. 6 is a YY sectional view of FIG.

  FIG. 1 shows a mower equipped with a stepping stone prevention cover according to the present invention. This mower is a walking type mower, and has a drive unit K that runs with an engine inside, and this engine. It is comprised from the mowing attachment part A driven.

  The driving unit K of the mower has a top cover 2 attached to the upper part of the engine 1 and a side cover 3 attached to the side surface. Further, a crawler type traveling device 4 is attached to the lower part of the engine 1 via a clutch or transmission (not shown) so that it can travel on any place such as rough terrain and slopes. Since the mower is a walking type, an operation handle 5 is attached to the rear part. At the rear of the vehicle body under the handle 5, various operation levers such as a throttle lever and a clutch lever (not shown), various operation switches such as a main switch and an emergency stop switch, or various instruments such as a fuel meter and an ammeter are provided. Is provided.

  The mowing attachment part A driven by the engine 1 of the driving part K via the transmission device 6 is detachably attached to the driving part K. In other words, the drive unit K can perform various operations by attaching various attachments. The mowing attachment part A includes a horizontal rotating shaft 11 inside the cutting blade cover 10, and a number of rotating blades 12 are attached to the rotating shaft 11. It will be harvested.

  Further, a front cover 13 of a stepping stone prevention cover is attached to the front surface of the cutting blade cover 10, and a side cover 14 of the stepping stone prevention cover is attached to both side surfaces. The rubber rubber used for the flying stone prevention cover is always in contact with the ground so that no gap is formed between the lower end portion and the trimming surface, and it is easy to slip smoothly. And what was reinforced with the canvas etc. is used so that it may not be damaged even if it hits the protrusion of the ground.

  As shown in FIG. 2, the front cover 13 of the stepping stone prevention cover is made of rubber rubber with a canvas formed in a rectangular shape, and as shown in FIG. 3, a cutting blade with a bolt 13b and a nut 13c through a presser fitting 13a. It is attached to the cover 10. In this case, the height in the vertical direction is determined by the maximum value and the minimum value of the set position of the mower body. That is, when set at the highest position, the vertical length is such that there is no gap between the trimming surface, and when set at the lowest position, the lower end of the front cover 13 is about 100 to 200 mm long. Is a shape folded inside.

  Further, as shown in FIG. 4 or FIG. 5, the side cover 14 is made of rubber rubber containing a canvas formed in a substantially rectangular shape, and its upper end is fixed to L-shaped steel. As shown in FIG. 5, the side cover 14 has an angle of the L-shaped steel on the tip side bent inward at an angle of 120 to 150 degrees with respect to the L-shaped steel on the side surface, 14b is formed. This is most effective in preventing stepping stones, and the work traveling upper side cover 14 does not become a hindrance so that the work can be performed smoothly.

  As shown in FIG. 5, the side cover 14 is fixed to the L-shaped angle 15 with bolts 14d and nuts 14e via a mounting plate 14c. The L-shaped angle 15 is fastened to the mounting bracket 1a attached to the cutting blade cover 10 by welding or the like with bolts 16a and nuts 16b. In this case, the height in the vertical direction is determined by the maximum value and the minimum value of the set position of the mower body. That is, when set at the highest position, the vertical length is such that there is no gap between the trimming surface, and when set at the lowest position, the lower end of the side cover 14 is about 100 to 200 mm long. Is a shape folded inside.

  Since the anti-stepping stone cover constructed in this way is installed, stepping stones scattered in all directions during mowing work can be prevented, so safety can be achieved not only for workers but also for surrounding third parties. Is. Further, the unevenness of the cutting surface can be flexibly followed up and down, and the cutting surface can be easily slipped, so that the mowing operation can be performed smoothly and safely.

  Furthermore, since the stepping stone prevention cover uses rubber rubber containing canvas as a reinforcing material, it has high strength and durability while maintaining flexibility, and is also economically superior. In addition, this anti-stepping stone cover has good slipperiness, so it is unstable in terms of safety, such as being caught by an obstacle such as a stump, which is generated by an anti-stepping stone cover using a conventional chain. The state is solved.

  The mower of the present invention is not limited to the above-described embodiment, and various modes are possible within the scope of the claims. For example, in the above-described embodiment, the mowing unit attachment is a general-purpose type mower that is configured to be detachable from the driving unit. However, the mowing unit may be a dedicated type mower that is configured integrally with the mowing unit and the driving unit. Of course. Further, the present invention is not limited to the walking type mower, and of course, it can be applied to a riding type mower as long as the front cover and the side cover can be attached.

It is a partially broken perspective view which shows the mower equipped with the flying stone prevention cover of the present invention. It is a front view which shows the front cover of the flying stone prevention cover with which the mower of this invention is mounted | worn. It is XX sectional drawing of FIG. It is a front view which shows the side cover of the flying stone prevention cover of the mower of this invention. It is a top view of the side cover of FIG. FIG. 6 is a YY cross section of FIG. 4.

Explanation of symbols

A Attachment part K Drive part 1 Engine 2 Top cover 3 Side cover 4 Traveling device 5 Handle 6 Transmission device 10 Cutting blade cover 10a Mounting bracket 11 Rotating shaft 12 Rotating blade 13 Front cover 13a Holding bracket 13b Bolt 13c Nut 14 Side cover 14a Side surface Portion 14b front surface portion 14c mounting plate 4d bolt 14e nut 15 L-shaped angle 16a bolt 16b nut

Claims (5)

In a mower having a protective cutting blade cover directly attached to the front of a rotary cutting blade disposed on the front,
A front cover directly attached to the front surface of the cutting blade cover in the traveling direction;
Side covers attached to both side surfaces of the cutting blade cover via attachment members;
A lawn mower characterized by comprising a stepping stone prevention cover. In a mower having a protective cutting blade cover directly attached to the front of a rotary cutting blade disposed on the front,
A front cover disposed on the front surface of the cutting blade cover of the mower;
A side cover attached to both side surfaces of the cutting blade cover via attachment members, and the front cover is made of a rubber rubber with a canvas formed in a rectangular shape. A mowing machine comprising a stepping stone prevention cover fastened with a bolt to the front. In a mower having a protective cutting blade cover directly attached to the front of a rotary cutting blade disposed on the front,
A front cover directly attached to the front surface of the cutting blade cover of the mower;
Side covers attached to both side surfaces of the cutting blade cover via attachment members;
The side cover is formed of a rubber rubber rectangle containing canvas, and a front surface part that is bent inward at a predetermined angle from the side part and has a tapered tip is formed. A mower characterized by having a cover. In a mower having a protective cutting blade cover directly attached to the front of a rotary cutting blade disposed on the front,
A front cover directly attached to the front surface of the cutting blade cover of the mower;
Side covers attached to both side surfaces of the cutting blade cover via attachment members;
The front cover is made of a rubber rubber with a canvas formed in a rectangular shape, and is bolted directly to the front surface of the cutting blade cover of the mower, and the side cover is a rectangle made of rubber rubber with a canvas. And a stepping stone prevention cover attached to the side surface of the cutting blade cover of the mower through an angle. A mower characterized by In a mower having a protective cutting blade cover directly attached to the front of a rotary cutting blade disposed on the front,
A front cover directly attached to the front surface of the cutting blade cover of the mower;
Side covers attached to both side surfaces of the cutting blade cover via attachment members;
The front cover is made of rubber rubber with a canvas formed in a rectangular shape, and is bolted to the front surface of the cutting blade cover of the mower, and the side cover is made of a rubber rubber rectangle with a canvas. The formed side surface portion and a front surface portion bent inward at a predetermined angle from the side surface portion are attached to the side surface of the cutting blade cover of the mower through the angle, and the predetermined angle is 120 degrees to 150 degrees. A mower characterized by having a stepping stone prevention cover.

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