JP2502391Y2 - Soil-repellent prevention cover for rotary cultivator - Google Patents

Description

[Detailed description of the device] (a) Industrial field of application The present invention is used for cultivating vegetables and vegetables, while running between the ridges of the vine while soiling the roots of the vegetables and vegetables on the left and right ridges, The present invention relates to a rotary tiller for a management machine for weeding a surface.

(B) Conventional technology Conventionally, in a soil tilling and weeding rotary tiller for a management machine, a technology in which the vertically rotatable tiller covers 2L and 2R pivotally supported via hinges on the left and right of the rotary frame can be rotated up and down. It is known.

Further, there is also known a technique of vertically arranging a soil-repellent prevention cover at the rear end of the vertically rotated tillage cover and the rear end of the rotary frame so that the soil splashed by the tillage claws does not fall in the direction of the operator. It is said that.

(C) Problems to be Solved by the Invention However, in the prior art, since the vertically rotatable tillage cover is vertically rotatable for soil filling,
The three soil-repellent prevention covers could not be integrated.

Therefore, two soil repellency prevention covers at the rear of the left and right vertical turning tillage covers, one soil repellency prevention cover at the rear end of the rotary frame, and three soil repellency prevention covers are separately configured.

Therefore, the soil splashed out of the three soil-repellent prevention covers pops out, or the soil-repellent prevention covers do not overlap in a normal state, so that a gap is formed and the soil pops out from this portion. There was a problem.

In order to solve the above problems, the present invention uses three soil repellency prevention covers as one piece, and when the vertically rotating plowing cover is opened and rotated upward, it extends over the entire length, In the state where the vertical rotation tillage cover is lowered and folded,
The soil-repellent prevention cover 1 can also be folded along the folding line.

(D) Means for Solving the Problems The problems to be solved by the present invention are as described above, and the means for solving the problems will be described below.

Vertically rotatable tillage covers 2L and 2R are pivotally supported to the left and right of the rotary frame 12 via hinges 9 and 9 and are vertically provided at the rear end of the vertically rotatable tillage covers 2L and 2R and the rear end of the rotary frame 12. In the configuration in which the soil-repellent prevention cover 1 is provided, a soil-repellent prevention cover vertically hung from the vertically rotating tillage covers 2L and 2R,
When the soil repellency prevention cover hung from the rotary frame 12 is integrated and the vertical rotation tilling covers 2L and 2R are opened upward, the soil repellency prevention cover 1 is extended in a fan shape, and the vertical rotation tillage covers 2L and 2R are provided. If you fold it, the soil-repellent cover 1
The middle part of is bent.

(E) Embodiment The problems to be solved by the present invention and the means for solving the problems are as described above. Next, the structure of the embodiment shown in the accompanying drawings will be described.

 FIG. 1 is an overall side view of a single wheel management machine.

An engine E is arranged on the engine frame 13, and power is transmitted from the engine E to the mission case M by a belt inside a belt cover 18.

The mission case M is arranged at a position slightly displaced from the center of the machine body, and the one-wheel drive wheel 6 is arranged on the side of the mission case M at the center position of the machine body.

A stand 19 hanging from the engine frame 13 is arranged in front of the one-wheel drive wheel 6.

A handle base 20 is fixedly mounted on the upper portion of the mission case M, and a handle pipe rod 15 is projectingly provided on the handle base 20. A square handle pipe 17 is fixed to the rear end of the handle pipe rod 15, and a switch cover 16 is coated on a joint portion between the handle pipe rod 15 and the square handle pipe 17.

The present invention relates to a structure of a soil repellency prevention cover of a rotary tiller attached to a rear portion of the mission case M.

The rotary cultivator has a front end of the rotary frame 12 attached to the rear surface of the mission case M by a hitch, and power is transmitted from the PTO shaft of the mission case M to the cultivating case 11 held by the rotary frame 12 so that the power is transmitted to the cultivating case. 1
The chain in 1 drives the tiller shaft 10. A tilling claw 7 is planted on the tilling claw shaft 10.

The tilling case 11 and the tilling claw shaft 10 constitute a center drive type rotary tilling device, the tilling claw shaft 10 projects left and right from the tilling case 11, and there is no support bearing portion at the left and right outer ends. Therefore, the vertically pivotable tillage covers 2L and 2R that project from the rotary frame 12 to the left and right can be vertically pivoted about the hinges 9 and 9 to open and pivot.

A resistance sled 14 is projected at a rear end position of the rotary frame 12.

FIG. 2 is a perspective view showing the parts of the vertical turning tillage covers 2L and 2R, the side turning side covers 5L and 5R, and the soil splash prevention cover 1,
Fig. 3 is a plan view with both the vertical turning tillage covers 2L and 2R and the side turning side covers 5L and 5R closed, and Fig. 4 is the vertical turning tillage covers 2L and 2R and side turning side surfaces. FIG. 5 is a plan view showing a state in which covers 5L and 5R are opened.

A portion of the rotary frame 12 is located at the center of the rotary tiller, and a resistance sled 14 is vertically provided at the rear end of the rotary frame 12. A fitting hole 1c into which the resistance sled 14 is fitted is opened at the center of the soil repellency prevention cover 1. Further, a support rod insertion hole 1b of the grooved device is opened at the rear of the fitting hole 1c.

And two hinges 9 on each side of the rotary frame 12
・ By arranging 9, the vertical rotation tillage covers 2L and 2R are pivotally supported so that they can be opened and rotated upward from the horizontal position.

In order to fix the horizontal position and the open position of the vertical turning tillage covers 2L and 2R, the fixing bars 22L and 22R are projected from the upper surface of the vertical turning tillage covers 2L and 2R, and the fixed columns 23 protruding from the rotary frame 12 are fixed. It is configured to be fixed in position by bolts.

Further, side turning side covers 5L and 5R are pivotally supported by hinges 21 and 21 at the left and right ends of the vertically turning tillable covers 2L and 2R.

The side turning side covers 5L and 5R also need to be opened upward because they interfere with the soil filling.

In the above-described configuration of the vertical turning tillage covers 2L and 2R and the side turning side covers 5L and 5R, the soil repellency prevention cover 1 and the rear corner portion are provided so that the rear operator is not splashed with the soil. The soil splash prevention covers 4L and 4R and the front corner soil splash prevention covers 3L and 3R are arranged.

The soil-repellent prevention cover 1 which constitutes the essential part of the present invention will be described with reference to FIGS.

FIG. 5 is a developed plan view of the soil-repellent prevention cover 1, FIG. 6 is a cross-sectional view taken along the line PP of FIG. 5 showing the bending line 1a, and FIG. FIG. 8 is a bottom view of the structure in which the fold is projected downward, and FIG. 8 is a bottom view of the structure in which the folding portion is projected upward.

The soil-repellent prevention cover 1 is made of a resin plate such as vinyl chloride, and when it is bent as it is, a bent portion can be formed in an arc shape, so that the constricted portion is formed along the bending line 1a.

Due to this constricted portion, the soil splash prevention cover 1
Forms a regular overlapping state when folded.

Bending along the folding line 1a may project in the direction of the tilling claw 7 as shown in FIG. 7 or may project outward as shown in FIG.

When the soil-repellent prevention cover 1 that is integrated and fan-shaped hangs down toward the rotation track of the tilling pawl 7 when it is bent or when the vertically rotating tilling covers 2L and 2R are opened, the tilling pawl 7 causes Since it will be caught and damaged, the regulation plates 25L and 25R are placed inside the soil splash prevention cover 1, and the outside regulation pieces 24L and 24R are also provided on the outside of the soil splash prevention cover 1 facing the regulation plates 25L and 25R. It stands out. The regulation plates 25L and 25R and the outer regulation pieces 24L and 24R are configured by spring plates, and are configured to always return to their original positions by elasticity.

FIG. 9 is a rear view of the rear corner soil-repellent side turning side cover 5L open, FIG. 10 is a rear view of the side turning side cover 5L closed, and FIG. 11 is a rear corner. Soil splash prevention cover 4L
FIG.

Side turning side covers 5L and 5R are vertical turning tilling covers 2L and
It is pivotally supported at the outer end of 2R via hinges 21 and 21, and when the side turning side covers 5L and 5R are opened, the vertical turning tillage covers 2L and 2R and side turning side covers 5L and There is an open space in the corner between the 5Rs.

In the present invention, the space of the corner is closed by the rear corner soil-repelling prevention covers 4L and 4R and the front corner soil-repelling prevention covers 3L and 3R, and the rear corner soil-repelling prevention covers 4L and 4R and the front corner. Like the soil-repellent prevention cover 1, the partial soil-repellent prevention covers 3L and 3R are formed as a single plate having a constricted portion at the bending line 4a.

FIG. 12 is a plan view of a portion of the switch cover 16, and FIG. 13 is a perspective view with the switch cover 16 removed.

The handle pipe rod 15 and the square handle pipe 17 are formed by processing and welding a round pipe, and since the cross joint portion has a low design, the portion is covered with the switch cover 16, and the switch cover 16 is covered with the engine Starting switch S
Is arranged.

(F) Effect of the Invention Since the present invention is configured as described above, it has the following effects.

Firstly, conventionally, the cover of the left and right vertically rotating tillage covers and the cover of the rear end of the rotary frame are overlapped with each other to prevent soil spatter, but these overlapped states are bad. Therefore, there was a problem that the soil jumped out in the direction of the operator.

As in the present invention, such a problem can be solved by using the single soil-repellent prevention cover.

Secondly, the soil repelled by the tilling claw 7 is a soil-repelling prevention made of one plate with the vertically rotating tiller covers 2L and 2R and the laterally rotating side covers 5L and 5R open. Since it moves outward along the cover 1, it does not prevent the soil from being caught in the overlapping portion and jumping further than in the conventional case, and can fly to a long distance, and the direction of the splashed soil can be improved. It has improved.

[Brief description of drawings]

FIG. 1 is an overall side view of the single-wheel management machine, and FIG. 2 is a perspective view showing the parts of the vertically rotating tilling covers 2L and 2R, the side rotating side covers 5L and 5R, and the soil-repellent prevention cover 1, The figure is a plan view with both the vertical turning tillage covers 2L and 2R and the side turning side covers 5L and 5R closed, and Fig. 4 is the vertical turning tillage cover 2L.
・ 2R and side turning side covers 5L and 5R are plan views with the cover open, Fig. 5 is a developed plan view of the soil-repellent prevention cover 1, and Fig. 6 is the P of Fig. 5 showing the fold line 1a. -A sectional view taken along the line P, FIG. 7 is a bottom view of a structure in which the folding portion of the soil splash prevention cover 1 projects downward, FIG. 8 is a bottom view of a configuration in which the folding portion projects upward, and FIG. Rear corner rear soil repellent side turning rear side cover 5L open rear view, FIG. 10 is side rear rotating side cover 5L closed rear view, FIG. 11 rear corner rear side soil repellent cover 4L plan sectional view, Fig. 12 shows switch cover
FIG. 13 is a plan view of the portion 16 and FIG. 13 is a perspective view with the switch cover 16 removed. 1… Soil-repellent prevention cover 1a… Bending line 2L ・ 2R… Upward and downward rotating tillage cover 9… Hinge 12… Rotary frame

Claims (1)

(57) [Scope of utility model registration request] 1. Hinge 9.9 on the left and right of the rotary frame 12.
In a configuration in which the up and down rotary tillage covers 2L and 2R are pivotally supported via vertical lines, and the soil repelling prevention cover 1 is provided by being vertically provided at the rear end of the up and down rotary tillage covers 2L and 2R and the rear end of the rotary frame 12. , The soil spill prevention cover hung from the vertical swiveling tillage covers 2L and 2R and the soil spill prevention cover vertically hung from the rotary frame 12 are integrated, and when the vertical rotation tillage covers 2L and 2R are opened upward, Extend the dust-repellent cover 1 in a fan shape,
The soil repellent cover for a rotary tiller, which is characterized in that a middle portion of the soil repellent cover 1 is bent when the vertically rotatable tiller covers 2L and 2R are folded.