Plow body

FIELD: agricultural engineering.

SUBSTANCE: plow body has tine with shoe, share, moldboard, and landside plate. Mellowing members fixed to moldboard working surface are made in the form wedge-shaped knives and arranged in offset relation with respect to one another, with apexes of said members being oriented toward share point. Mellowing members are made scimitar-shaped and equipped with flexible sweepers fixed to their upper parts. Flexible sweepers are formed as lengths of anchor chains. Two pins of different length are attached at different acute angles to direction of advancement on each chain length link. Angle of inclination of pins is smaller than friction angle of soil against steel.

EFFECT: improved quality of soil due to improved mellowing of soil layer.

2 cl, 3 dwg

 

The invention relates to agricultural machinery, in particular to the cases of ploughs.

Known plough body [SU 1722263 A1, 5 And 01 In 15/08, 30.03.1992], orthogonal cross-section surface of the blade which are of the form S-shaped curves with inflection point in the connection zone of the lower and upper parts of the surface of the pile, and the lower part is made concave, and the upper convex, the curvature of the curves which are orthogonal cross-section increases in the direction from the field edge to its toughness.

Known case of plough [SU 1584769 A1, 5 And 01 In 15/08, 15.08.1990]containing a plow blade and secured on the loosening elements that are displaced relative to each other, and the front part is made in the form of an acute-angled triangle with sharpening on its two sides, loosening each element is equipped moldboard surface, coupled with non-sharpened side of a triangle and having a cylindrical surface, the inner side of which facing the ploughshare. The disadvantage of this device is possible clogging soil space between parallel posted by loosening elements, which degrades the toughness and increases the resistance.

Known plough body [SU 1253440 A1, 4 And 01 In 15/08, 30.08.1986], including a rack, a plow otvalnuyu surface formed by plates with slots between them. In the slots of the plates otwal the second surface is installed, connected elastic elements, forming additional otvalnuyu surface, the angle of inclination of the generatrix of which the field side of the body more than the corresponding angle forming a pile surface formed by the plates. The disadvantage of this plow body is that you can sticking to the working surface of the body that affects the wrapping of the soil layer and its toughness.

Known case of plough [SU 1639443 A1, 5 And 01 In 15/08, 07.04.1991]containing the rack, blade and vane blade, the plate which is arranged with a gap of one relative to another and have the AC on their length transverse profile of the working surface with successively arranged from the breast of the blade to his borozdna the edges and alternating between a flat, convex and concave sections, the last of which the end plates are made with a corner cut. The disadvantage of this device is that it does not solve the problem of volume crumbling soil layer.

Common disadvantages of these working bodies are:

- crushing occurs only in areas adjacent to the dump soil layer, i.e. there is no volume crumbling;

- when changing the depth or speed of the unit for changing the trajectory of the soil layer on the blade and rigid fastening elements of any further resistance.

Except as described rahles the x soil elements, mounted on the blade housing, use a flexible loops.

Known flexible train [EN 2206188 C2, 7 And 01 In 19/02; 23/02; 35/20, 20.06.2003], made in the form of a chain, each link of which has a closed and an elongated path. The contour of welded loosening of teeth on different or the same length under different or the same angles relative to the longitudinal axis of the link. The link is made of two l-shaped workpieces welded together, to which are welded three pairs loosening of teeth. Outer pair of teeth are located in the connection zone l-shaped workpieces. The long shoulder of the G-shaped workpiece is welded three pairs loosening of the teeth at an angle to the longitudinal axis of the G-shaped workpiece. Thus the distance between the pairs of teeth are the same, and the outer pair of teeth are welded with the tab at the end of the long arm of the l-shaped workpiece. The disadvantage of this flexible loop is symmetrical placement of equidimensional pins relative to the longitudinal axis of the link, which degrades the toughness of the soil.

The closest analogue is the plough body containing a rack with Shoe, a plow blade and field Board, and on the working surface of the blade is fastened loosening elements made in the form of wedge-shaped knives and set offset to one another with the top facing towards the toe of the shares (see SU 1676463 A1, 15.09.1991).

Not what atcom such device is possibly clogging the soil space between parallel posted by loosening elements, which degrades the toughness and increases traction resistance.

The objective of the invention is the elimination of the aforementioned disadvantages.

The technical result improved quality of the soil by improving the loosening of the reservoir. This is achieved by the proposed design plough body.

This is achieved by the fact that in the famous plough body containing a rack with Shoe, a plow blade and field Board, and on the working surface of the blade is fastened loosening elements made in the form of wedge-shaped knives and set offset to one another with the top facing towards the toe of the shares, according to the invention loosening elements have the saber form and is provided fixed to the upper part of the flexible loops. Moreover, the flexible loops made in the form of segments of anchor chains, each link of which at different acute angles to the direction of movement of rigidly mounted two different-sized pins, and the size of angles less than the angle of friction of soil on steel.

1 shows a plow body, a front view; figure 2 is a wedge-shaped knife with a flexible loop; figure 3 is a flexible flat cable.

The plough body (1) includes a rack with Shoe 1, blade 2, blade 3, a field Board 4, loosening elements 5 with the flexible loops 6.

Loosening the 5 elements (figure 2) is fixed on the working surface of the blade, made in the form of wedge-shaped knives with the top facing towards the toe plowshares 2 and fitted with offset one relative to another. Loosening elements 5 mounted on the wedge by bolts 7.

Wedge-shaped knife consists of two elements: a base plate 8 and the knife 5 saber forms. In the front part of the plate 8 are broadening with hole for bolt connection, and before the hole is formed a protective shield 9 this connection. Knife 5 saber forms rigidly fixed to the plate 8 and the top made a hole for attaching a flexible loop 6.

To the upper part of the wedge-shaped knife pivotally attached to the flexible flat cable 6 (Fig 3), representing a segment of anchor chain, each link 10 which is rigidly fixed to two different-sized (for example, L1, L2) located at various acute angles (for example, α1that α2) to the direction of movement of the pins 11. Moreover, the angles at which the anchor pins, less friction angle of the soil on steel.

Case plow works as follows.

In the process, cut plowshare 2 soil layer comes to the surface of the blade 3 and enters into interaction with the loosening elements 5 mounted on the blade 3 with offset one relative to another. In the ale layer of soil destroy wedge-shaped knives due to break it up into several parts. Then layer interacts with the flexible loops 6, which provides volumetric crushing of soil.

The proposed solution allows to improve the quality of the soil by improving the loosening of the reservoir, excluding the additional step of loosening the soil cultivators type KPI - 3,8 that will give a good economic effect.

1. The plough body containing a rack with Shoe, a plow blade and field Board, and on the working surface of the blade is fastened loosening elements made in the form of wedge-shaped knives and set offset to one another, with the top facing towards the toe of the plow blade, wherein said loosening elements have the saber form and is provided fixed to the upper part of the flexible loops.

2. The plough body according to claim 1, characterized in that the flexible loops made in the form of segments of anchor chains, each link of which at different acute angles to the direction of movement of rigidly mounted two different-sized pins, and the size of angles less than the angle of friction of soil on steel.



 

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