RU2571203C1 - Working body of subsurface plough - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: working body of subsurface plough comprises a toe bearing, a shoe, bilateral-toothed blades with replaceable chisel, and a rack. The cutting edges of the bilateral-toothed blades are made with protrusions and recesses on the sinusoidal curve with hemispherical crumbling lining. The hemispherical crumbling lining is fixed to the surface of the blades opposite the protrusions with the location of the lining axes at the level of mid-width of the blades. The cutting edges of the toothed cutting blade of the rack in longitudinal vertical plane are made in a circular arc with protrusions and recesses on a sinusoid with hemispherical crumbling lining on both sides of the toothed cutting blade of the rack, opposite the protrusions with location of the lining axes on the circular arc at a level of the mid-width of the toothed cutting blade of the rack. The replaceable chisel on the frontal surface has a removable hemispherical crumbling lining.

EFFECT: increase in the degree of crumbling of soil in the longitudinal and transverse planes of movement of the working body of the subsurface plough, reduction of back furrow behind the rack, reduction of the draft resistance, extension of the working body life-span.

2 dwg

Description

The invention relates to agricultural machinery, in particular to tillage working bodies for deep subsurface tillage.

Known working bodies are double-sided knives of a flat-cutting paw, designed to increase the resource when loosening the soil, containing protrusions and depressions, which are described by circular arcs with radii equal to half the maximum width of the knife (UA, cinnamon patent model No. 47730 A01D 34/00. Two-sided lower flat-footed paws // L. F. Babitsky, V. I. Tarasenko, A. O. Kuvshinov, V. Yu. Moskalevich. Declared July 17, 2009, published February 25, 2010).

Despite the fact that the soil layer is cut with double-sided knives, which provide a good exit from the paw, it does not crumble well enough on the surface of the knife, because its smooth transverse kink does not occur, while the lumpiness of the treated surface increases and the quality of the soil treatment decreases.

The share of the tillage implement is also known, including the blade and pads, which are made in the form of cut cones and secured by large planes on the upper share of the share with a step equal to one and a half times the width of the base, while the diameter of the large planes of the cones of the plates is not greater than the width of the share of the share, and the height of the cones of overlays is equal to twice the thickness of the ploughshare base (UA, patent for cinnamon model No. 47260 A01D 29/00. Lemon for soil trencher // LF Babitsky, V.I. Tarasenko, A.O. Kuvshinov, V.Yu. Moskalevich. July 17, 2009, published 01/25/2010).

Despite the fact that the ploughshare is made with cones capable of additionally crumbling the soil layer, its frontal section increased and, as a result, the traction resistance of the tillage implement increased. This leads to increased energy consumption of the energy means aggregating the tillage implement, and reduces its productivity.

In addition to the described working bodies, a plane-cutting working body is known that contains a stand, a paw and pivotally articulated and spring-loaded teeth on the paw, the vibrations of which lead to soil destruction both in the longitudinal and transverse planes and, as a result, to reduce friction forces on the surface of the working body and reduce wear on its working surface (SU, copyright certificate No. 600976 M.kl ^2. АВВ 35/26. Ploskorezhey working body // LF Babitsky, Yu.E. Voitenko. Declared 04/17/1975, published 04/05/1978) .

The disadvantage of this working body is the unreliability of structural elements, the hinges and springs of which are constantly in a humid inhomogeneous environment, which leads to increased wear and a decrease in resource.

The closest device of the same purpose to the claimed object in terms of features is the working body of a plane-cutting paw, including a stand, shoe, double-toothed shares and a chisel, while the cuts between the teeth of the frontal and back crumbling parts of the shares are made in the form of a logarithmic spiral with the curvature of the cuts, decreasing to the edges of the plowshares (SU, copyright certificate No. 1722267 A1. class A01B 35/26. Working body of a plane-cutting paw // LF Babitsky, GV Nakonechny. Declared 03/19/90, published 03/30/1992).

The reasons that impede the achievement of the required technical result when using the known device adopted for the closest analogue include the uneven distribution of pressures along the front of the plowshares onto the cut soil layer to be crushed. In addition, when the working body moves, a large breakup groove is formed behind a flat stand.

The invention consists in the following.

The task to be solved by the claimed invention is aimed at improving the quality of deep subsurface tillage susceptible to wind erosion.

The technical result is an increase in the degree of crumbling of the soil, not only in the longitudinal, but also in the transverse planes of movement of the working body of the ploskorez-ripper, reducing traction resistance, reducing the breakup groove behind the rack and extending the resource of the working body.

The specified technical result in the implementation of the invention is achieved by the fact that the working body of the ploskorez-ripper containing a rack, thrust bearing and shoe includes double-toothed knives, the cutting edges of which are made with protrusions and depressions along a sinusoidal curve with hemispherical crumbling overlays fixed to the surface knives opposite the protrusions with the location of the axes of the pads at the level of the middle of the width of the knives, while the replaceable bit has a removable hemispherical crumbling pad, which ensures t uniform distribution of concentration of pressure in the crumbling layer of soil on hemispherical overlays due to their shape.

The cutting edges of the rack cutting knife in a longitudinally vertical plane are made along a circular arc with protrusions and cutouts in a sinusoid with hemispherical crumbling overlays on both sides of the rack cutting knife, with their axes aligned in a circular arc at the mid-width of the rack cutting knife, opposite the protrusions , which during the movement of the working body in the soil also provide a uniform distribution of pressure in the two crumbling created in the longitudinal-vertical plane soil layers, which leads to a decrease in the collapse of the furrow behind the rack.

The invention is illustrated by drawings.

In FIG. 1 shows the working body of a ploskorez-deep-ripper, top view.

In FIG. 2 - the same side view.

The working body of the ploskorez-deep-ripper contains (Fig. 1) a thrust bearing 1, a shoe 2, two-sided toothed knives 3 with a replaceable chisel 4 and a rack 5 with a serrated cutting knife 6 (Fig. 2). The cutting edges of double-toothed knives 3 are made with protrusions 7 and depressions 8 along a sinusoidal curve with hemispherical crumbling inserts 9, mounted on the surface of the knives 10 opposite the protrusions 7, with the axes of the inserts at the midpoint of the width of the knives 3, and the cutting edges of the protrusions 11 of the rack 5 in the longitudinal-vertical plane, they are made along a circular arc with cutouts 12 along a sinusoid with hemispherical crumbling plates 13 on both sides of the rack, opposite the protrusions 14, with the axes of the plates arranged along an arc of a circle. The replaceable bit 4 on the frontal surface has a removable hemispherical crumbling pad 15.

The working body of the ploskorez-ripper works as follows. When moving the working body in the soil, double-toothed knives 3 cut the soil layer with the cutting edges of the protrusions 7 and depressions 8 made according to a sinusoidal curve. Due to the bending moments, a quick and uniform breaking of the soil bonds in the space between the protrusions 7 and the depressions 8 occurs. With further movement of the soil layer on the surface 10 of the double-toothed knives 3 and the interchangeable bit 4 due to hemispherical crumbling plates 9 and hemispherical crumbling plates 15 it occurs further crumbling in the longitudinal-vertical plane under the action of alternating forces. Also, pads 9 and 15, made in the form of a hemisphere and located opposite the protrusions 7 and the interchangeable bit 4, provide a uniform distribution of pressure concentrations on the trimmed soil layer due to their shape.

Rack 5 (Fig. 2) due to the cutting edges 11 of the gear cutting knife 6, which are made along a circular arc with cutouts 12 along a sinusoid in a longitudinally vertical plane with hemispherical crumbling overlays 13 on both sides of the rack knife with their axes located along a circular arc, opposite the protrusions 14, it provides an even distribution of pressures in the two crumbling soil layers cut in the longitudinally vertical plane during their movement, which leads to a decrease in the collapse of the furrow behind the stand.

Using the proposed working body of a ploskorez-deep-ripper will increase the degree of crumbling of the soil not only in the longitudinal but also in the transverse planes of movement, reduce the breakup groove behind the rack, reduce traction resistance, and also extend the life of the working body.

Claims (1)

The working body of the ploskorez-deep-ripper, containing a thrust bearing, a shoe, two-sided gear knives with a replaceable bit and a rack, characterized in that the cutting edges of the two-sided gear knives are made with protrusions and depressions along a sinusoidal curve with hemispherical crumbling overlays fixed on the surface of the knives opposite the protrusions with the location of the axes of the pads at the level of the middle of the width of the knives, and the cutting edges of the gear cutting knife racks in the longitudinally vertical plane are made along a circular arc with protrusions and notches sinusoidally with hemispherical crumbly plates on both sides of the toothed rack forward of the knife, opposite the location of the axes of the projections with linings of a circular arc at the middle of the width of the toothed rack knives forward, with a removable bit on the frontal surface has a removable cover hemispherical crumbly.

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