JPH086405Y2 - Edge treatment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Use The present invention relates to an edge treatment device.

(B) Conventional technology Conventionally, as an example of an edge treatment device, the actual development 55-550
Some of them are described in the 07 publication.

That is, the ridge treatment device is provided with a fermenter mounting body on one side of the tiller frame, and rotates the disc-type fertilizer at the lower part of the mounting body and outside the rotary locus of the rotary tiller. In addition to being freely pivoted, a guide surface is provided on the inner surface of the pottery for feeding the cultivated soil mass toward the rotary tillage section.

Then, it is located on the outer side of the tiller frame, and the tilling residual soil which is not tilled by the tilling claw is cultivated toward the rotary tilling part by the tiller so that the ridge treatment can be performed.

(C) Problems to be solved by the invention However, when the ridge block is laid in the field, the side surface of the ridge block is formed in a concave shape except for the peripheral portion, and therefore the inside of the recess is reduced. The soil located at was not able to be cultivated by the cultivator that only rotates along the peripheral side surface of the ridge block and does not move to the outside, and it was left untreated as it was left as tillage residual soil.

Therefore, weeds and the like propagate on the soil left over tilling,
As a post-operation, the weeding work has to be done, which is troublesome.

(D) Means for Solving the Problems In the present invention, therefore, a ridge treatment blade is attached to the lower part of the outer surface of the cultivator frame supporting the cultivating shaft having a plurality of cultivating claws, and the ridge treating treatment is performed. It is intended to provide a ridge treatment device characterized in that a blade is elastically biased outward.

(E) Operation and effect According to the present invention, the following operation and effects are brought about.

That is, in the present invention, since the ridge treatment blade is elastically biased outwardly and attached, even in a ridge block having a concave portion on the side surface, the ridge treatment blade is installed along the side surface of the block. If it is moved in the traveling direction, the edge treatment blade can also move along the side surface concave portion without fail, and soil in the concave portion of the block can be cultivated with certainty.

In this way, since the soil near the side of the ridge block is also properly cultivated and no ridges are generated, weeds can be prevented from breeding and there is no need to perform cutting work as a post-work. The work efficiency can be improved.

(F) Embodiment An embodiment of the present invention will be described below with reference to the drawings.

A shown in FIG. 1 and FIG. 2 is a tilling device including a ridge treatment device 20 according to the present invention.

Such a tiller A connects the upper end of the tiller transmission case 2 to the left end of the tiller shaft case 1 in an interlocking manner, while connecting the upper end of the side frame 3 to the right end of the tiller shaft case 1 and the tiller transmission case 2. Between the lower part of the side frame 3 the tiller shaft 4
A plurality of tillage claws 5 are attached to the peripheral surface of the tiller shaft 4.

6 is a link mechanism for connecting the cultivating shaft case 1 to a tractor (not shown), 7 is a rotary cover, 8 is a rear cover, and 9 is a side cover.

Further, a single cultivator 11 is hung vertically at the rear end of the rotary frame 10 extending rearward from the cultivating shaft case 1.
As shown in FIG. 2, the single tiller 11 is located on the right rear side of the tilling shaft 4 so that only one side of the tilling width can be tilled. 12 is a rocker support shaft, 11a is an outer plate, 11b is an inner plate,
11c is a ceiling plate, 11d is a bottom plate, and 11e and 11f are connecting rods.

A ridge treatment device 20 which is the subject matter of the present invention is attached to the one-sided pottery 11.

That is, as shown in FIGS. 1 to 3, the ridge treatment device 20 pivotally supports the base end portion of the ridge treatment blade 21 on the upper surface of the bottom plate 11d of the single cultivator 11 so as to be swingable in the front-rear direction. Then, a spring 22 is provided between the tip of the spring connecting piece 21a extending rearward from the pivotal support portion in a curved shape and the outer rear portion of the bottom plate 11d. The tip end side 21b of the ridge treatment blade 21 protruding toward the outside is elastically biased outwardly around the pivotal support. 23 is a pivot pin, 24
Is a ridge treatment blade base insertion hole provided in the outer side plate 11a of the one-sided pottery 11.

Then, the distal end side 21b of the edge treatment blade 21 is horizontally curved outward from the base end portion pivotally supported on the upper surface of the bottom plate 11d of the single-sided pottery 11 and rearward, and gradually bulged upward and rearward. A cutting edge 21c is formed on the front edge.

According to such a ridge processing device 20, even in the field G on which the ridge block B is laid as shown in FIG. 3, the ridge block B can be cultivated and the ridge treatment can be reliably performed.

That is, by contacting and sliding the outer surface 21d of the ridge processing blade 21 which is laterally outwardly arranged with respect to the side frame 3 to the concave surface b of the ridge block B, the cultivating device A is moved forward, The edge of the soil 21 near the concave surface b
Can be cultivated by

Also on the convex surface b'which is the peripheral edge of the ridge block B, as shown by the dashed line in FIG.
21 moves laterally inward along the convex surface b ′ around the pivot pin 23 against the tensile force of the spring 22, so that the convex edge surface b is moved by the same edge processing blade 21. Soil in the vicinity can also be cultivated.

In this way, since the ridge processing blade 21 surely cultivates the soil near the side surface of the ridge block B to prevent the ridge from occurring,
It is possible to prevent the weeds and the like from breeding, and it is not necessary to mow the weeds and the like as a post-work, and work efficiency can be improved.

Next, another embodiment of the edge treatment device 20 will be described.

The ridge treatment device 20 shown in FIGS. 4 and 5 is attached to the lower portion of the side frame 3.

The edge treatment device 20 is provided with the side frame 3
The base 30 is attached to the lower part of the base plate 30, and a horizontally long rectangular support plate 31 is elastically biased to the base 30 and the base end of the edge treatment blade 32 is fixed to the center of the support plate 31. I have set up.

In the figure, 33 is a base fixing bolt, 34 is a support plate pivot pin, 35
Is a support plate regulation pin, 36 is a spring, 37 is a regulation pin sliding hole, and 38 is a regulation pin escape space.

Further, in the ridge treatment device 20 shown in FIG. 6, the base end edge portion 40a of the ridge treatment plate 40 made of an elastic material is connected to the front end edge portion of the outer side plate 11a of the single cultivator 11 in a superposed state. The edge 40b of the ridge treatment plate 40 is extended to the lateral side of the side frame 3 to support it in a cantilever manner.

The tip edge 40b is formed in a concave shape in which the lower end side is positioned more forward than the upper end side, so that the plowing efficiency is improved.

In the figure, 41 is a connecting bolt, and 42 is the flow direction of the soil cultivated by the ridge treatment plate 40.

The edge treatment device 20 shown in FIG. 7 is attached to the side frame 3 side of the tillage shaft case 1.

The ridge processing device 20 includes a tilling width adjusting portion 50 mounted on the tilling shaft case 1 so as to be positionally adjustable, a base end swingably attached to the tilling width adjusting portion 50, and a tip at the rear outer side. Arm 51 extended in one direction, a rod 52 hanging from the tip of the arm 51 toward the cultivated surface, a disc-shaped ridge treatment blade 53 attached to the lower end of the rod 52, and the ridge treatment blade 53 The rotary shaft 53a has a base end attached thereto, and the tip of the front contact body 53 'comes into contact with the ridge block B prior to the edge treatment blade 53.

The tilling width adjusting unit 50 is composed of an arm support 54 and an inner rotation restricting body 55.

The arm support 54 is provided between the support cylinder 54a fitted to the tillage shaft case 1 so that the sliding position can be adjusted, and between the support cylinder 54a and the base of the arm 51, and the arm 51 is outwardly extended. It is composed of a spring 54b that biases the rotation and an outer rotation restricting piece 54c that protrudes from the support cylinder 54a and restricts the outer rotation of the arm 51. 56 is an arm pivot pin, and 57 is a position adjusting bolt.

Further, the inner rotation restricting body 55 is formed separately from the support cylinder 54a, and is fitted to the cultivating shaft case 1 such that the sliding position is adjustable, and the inner rotation restricting body 55 is provided so as to project from the same. The inner rotation restricting piece 55b restricts the inner rotation of the arm 51. 58 is a position adjusting bolt.

With this configuration, the arm support 54 and the inner rotation restricting body
The positions of 55 and 55 are adjusted by the position adjusting bolts 57 and 58, respectively, so that the tilling width by the edge treatment blade 53 can be adjusted.

Further, the structure of the ridge treatment device 20 is not limited to that of the above-described embodiment, but the base end of the ridge treatment blade may be pivotally supported and the tip side may be elastically biased outward by the spring.

Further, the entire edge treatment blade can be elastically biased inward and outward by two springs.

Further, the ridge treatment blade is formed in a gear shape, and the front cultivating side is separated from the side surface of the ridge block B by a constant distance, and the rear cultivating side is the ridge block B on the rear side. It can also be attached in an inclined shape in a plan view so as to be located in the vicinity of the side surface of the.

At this time, the pitch of the teeth formed on the outer periphery of the ridge processing blade may be substantially the same as the width of the peripheral edge projection of the ridge block B.

[Brief description of drawings]

FIG. 1 is a side view of a tilling device equipped with a ridge treatment device according to the present invention. FIG. 2 is a plan view of the same edge processing device. FIG. 3 is an explanatory diagram of an operating state of the edge treatment device. FIG. 4 is a side view of a ridge treatment device as another embodiment. FIG. 5 is a sectional view taken along line I-I of FIG. 4. FIG. 6 is a plan view of an edge treatment apparatus as another embodiment. FIG. 7 is a plan view of an edge treatment apparatus as yet another embodiment. In the figure, A: Tilling device 4: Tilling shaft 5: Tilling claw 20: Edge treatment device 21: Edge treatment blade

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kenji Togo Inventor Kenji Togo 1-32, Chaya-cho, Kita-ku, Osaka, Osaka Inside Yanmar Agricultural Machinery Co., Ltd. (56) References: 61-136808 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A ridge treatment blade (21) is attached to a lower part of an outer surface of a cultivator frame supporting a cultivating shaft (4) having a plurality of cultivating claws (5), and the ridge treating blade is also provided. An edge treatment device characterized in that (21) is elastically biased outward.