JPH0218966Y2 - - Google Patents

Description

[Detailed explanation of the invention] Generally used for the purpose of further leveling the soil gathered by the soil repelling blades by attaching rubber plates or power transmission flat belts to both ends of the soil repelling blades of conventional soil cultivators. However, because the width of the ridges differs depending on the crop being cultivated, soil quality, and other conditions, it is not possible to adjust the expansion and contraction to achieve the desired effect up to the root edge each time. In the end, the current situation is that traditional rubber plates are only used very rarely.

In other words, if a flexible rubber board or synthetic resin board is simply extended to the root of the crop, the rubber board will bend backwards from the fixed base of the plant due to the resistance of the soil (see Figure 8). ), the soil could not reach the roots. Furthermore, even if the ridge width is adjusted as shown in Figure 9 by fixing rubber plates to both ends of the soil blade and adding an opening/closing device to the soil blade, as is the case in the past, the soil repelling angle that occurs in that case is It is not practical because it does not involve changes and the soil tends to change to an angle at which it does not slip.
Therefore, one possible method of adjusting the expansion and contraction according to the ridge width using one fixed cultivator is to move the rubber plate, but if only the rubber plate is extended,
Hard rubber must be used in order to avoid bending as shown in the figure and to reach the root of the crop. If hard rubber is used, it will not only be too hard and cause damage to the crop, but also lack flexibility. This results in insufficient leveling of the ground, and the original performance of the rubber board is not demonstrated at all.

The purpose of this application is to eliminate these conventional drawbacks, and furthermore, to make it possible to freely adjust the protruding length of the leveling board, so that the soil can be cultivated up to the roots, and to fully satisfy its effects. This is an idea related to a cultivator.

Now, to explain an embodiment to achieve this purpose, a leveling plate 3 made of rubber or synthetic resin with flexibility and return property is installed inside the rear end of the left and right soil repelling blades 2 of the soil repellent body 1. As it overlaps, it curves 5 into an S-shape with a slightly elongated rear end on the outside (rear surface) of the leveling plate 3.
The leveled metal guide plate 4 is polymerized, and the leveling plate 3 is
A guide plate 4 is detachably attached to the soil-repelling blade 2 to constitute the entire structure.

In order to make the soil-repelling blade 2, the leveling plate 3, and the guide plate 4 detachable, two upper and lower bolt holes 2a are drilled near the rear end of the soil-repelling blade 2, and the leveling plate 3 and guide plate 4 are attached to each other. Either several rows of holes 3a and 4a having a vertical interval that matches the hole 2a are bored in the plate 4, or several rows of elongated holes 3b and 4b are bored in either row of holes 3a and 4a.
Alternatively, the elongated holes 3b and 4b and the hole 2a are aligned and fixed with bolts and nuts, so that both the leveling plate 3 and the guide plate 4 are always able to adjust the expansion and contraction according to the ridge width as one unit to achieve the desired purpose. It was designed to be effective.

To adjust the length, use holes 3a, 4a or long hole 3.
The rows b and 4b are changed and fixed.

The guide plate 4 is curved in an extended S-shape to give the rear end an appropriate degree of curvature so as not to cause damage due to refraction, so when the leveling plate 3 only needs to touch the roots of the crop, As shown in Figure 2, when the curved part 5 of the guide plate 4 is positioned inward of the soil-repelling blade 2, and the leveling plate 3 is in contact with the crop at or above the root edge (up to the opposite side of the root edge). As shown in FIG. 3, the curved portion 5 of the guide plate 4 is set so as to face outward and in front of the soil repelling blade 2.

In the present application, with the above-mentioned configuration, the leveling plate 3 can be freely adjusted up to the root edge of the crop by supporting the guide plate 4, as shown in FIGS. 2 and 3, and level the soil at the root edge. It has practical effects and effects that have made it possible to perform soil crushing and land leveling.

As described above, the present invention superposes a leveling plate 3 made of rubber or synthetic resin that is flexible and has a return property on the inside of the rear end of the left and right soil repelling blades 2 of the soil repellent body 1, and also has a leveling plate 3. A guide plate 4 whose rear end is curved in an S-shape is superimposed on the outside of the leveling plate 3 and the guide plate 4.
Since it is detachably attached to the soil-repelling blade 2, it achieves the intended purpose and achieves the highest effectiveness in response to various conditions, as shown in Figures 2 and 3. By turning the guide plate front and back and attaching a rubber plate to it, the force of scattering crushed soil or fine soil at the roots is further increased, and this effect is achieved with a shape that makes it possible to achieve this purpose. In addition, when this is installed and installed in a cultivator for use with 3 or 5 ridges, the center width of the ridge can be adjusted using the horizontal frame and the vertical beam as shown in Figure 1. This has the effect of being able to be adjusted by adjusting the extent to which the guide plate and leveling plate are stretched.

[Brief explanation of the drawing]

Figure 1 is a plan view of a cultivator attached to the horizontal frame of the cultivator, Figures 2 and 3 are plan views of one soil cultivator, Figure 4 is a rear view of the same, and Figure 5 is a soil repellent blade. FIGS. 6 and 7 are perspective views of a leveling plate and a guide plate showing different embodiments, and FIGS. 8 and 9 are plan views of a conventional soil cultivator.

Claims (1)

[Scope of utility model registration request] A flexible and resilient rubber or synthetic resin leveling plate 3 is superimposed on the inside of the rear end of the left and right soil repelling blades 2 of the soil repellent body 1, and the rear end is S on the outside of the leveling plate 3. This soil cultivator is made by superimposing guide plates 4 curved into a character shape, and attaching the leveling plate 3 and guide plate 4 to soil repelling blades 2 in a detachable manner.