RU169104U1 - WORKING BODY FOR LOOFING SOIL - Google Patents

Abstract

The utility model relates to agricultural machinery, in particular to the working bodies for tillage. The working body for loosening the soil contains a rack with a chisel, rigidly fixed to the shoe, with which a damping element is rigidly connected. On the damping element, the wings of the lancet paw are rigidly fixed, which are spaced relative to each other: one wing is fixed to the shoe, and the other at the end of the damping element, made in the form of a strip of spring steel. The utility model allows to increase the reliability of the design of the working body and to reduce fluctuations in the traction of the tractor while improving the quality of the soil when working on soil of different densities. 2 ill.

Description

The utility model relates to agricultural machinery, in particular to the working bodies for tillage.

Known working body for loosening the soil (RF patent No. 2199194 АВВ 35/22, АВВ 35/20, АВВ 35/06), containing a stand and a bit associated with a stand, relative to which the bit is spring-loaded. The chisel is connected to the strut by a pair of hinged links, one end connected to the chisel, and the other to the strut, which in conjunction with the latter form a four-link articulated-lever rectilinear directing Evans-Dezhong mechanism.

The bit is spring-loaded relative to the strut by means of a torsion spring loosely mounted on an axis fixed to the strut, with one end of the spring resting on the strut, and the other on one of the hinged links.

The disadvantages of this working body for loosening the soil are:

1. Low reliability of the design of the working body when working in an abrasive medium due to the presence of hinged elements and a torsion spring, resting their ends on a rack and on a hinge link;

2. The inability to ensure the constant traction of the tractor;

3. The complexity of the design.

The closest analogue to the claimed device is a working body for soil slitting (RF patent No. 20044948 АВВ 35/22, АВВ 13/16) containing a stand with a chisel. The working body is equipped with a shoe having a socket with a rectangular cross-section, in which a damper element is placed, the rack is located in the socket, its front end is pivotally connected to the shoe, and the rear end is pivotally-groove, and the groove in the shoe is made in the form of a sector, and the chisel is firmly fixed to the shoe.

The disadvantages of this working body for soil cleavage are:

1. The inability to withstand a given depth of tillage;

2. Significant fluctuations in tractor traction when working on soil of various densities;

3. Low reliability of the damper element when working in an abrasive medium.

The objective of the utility model is to increase the reliability of the design of the working body and reduce the fluctuations in the traction of the tractor while improving the quality of the soil when working on soil of different densities.

The problem is solved due to the fact that the working body for loosening the soil contains a rack with a bit, rigidly fixed to the shoe, with which the damping element is rigidly connected. On the damping element, the wings of the lancet paw are rigidly fixed, which are spaced relative to each other: one wing is fixed to the shoe, and the other at the end of the damping element, made in the form of a strip of spring steel.

New significant features:

1. On the damping element, the wings of the lancet paw are rigidly fixed, which are spaced relative to each other;

2. One wing attached to the shoe, and the other at the end of the damping element;

3. The damping element is made in the form of a strip of spring steel.

The listed new essential features, together with the known ones, are necessary and sufficient to achieve a technical result in all cases to which the requested amount of legal protection applies.

The technical result consists in providing a given depth of tillage with the simplicity and reliability of the design of the working body, the possibility of changing the angle of entry of the working body into the soil in the horizontal plane (angle of attack α), which reduces the traction of the tractor when working in the area with high soil density, that allows you to maintain a constant traction of the tractor.

Figure 1 schematically shows the working body for loosening the soil (side view).

In FIG. 2 - working body for loosening the soil (top view).

The working body for loosening the soil contains a rack 1 with a chisel 2, rigidly mounted on the shoe 3. With the shoe 3 is rigidly connected damping element 4, made in the form of a strip of spring steel. On the damping element 4 are rigidly fixed wings 5, 6 lancet paws, which are spaced relative to each other. One wing 5 is fixed to the shoe 3, and the other 6 - at the end of the damping element 4.

The working body is buried to a predetermined depth and the soil is loosened. When the working body meets a denser soil layer, the latter acts on the wings 5, 6 of the lancet paw, which leads to the bending of the damping element 4 and a decrease in the angle α (the angle of entry into the soil of the working body in the horizontal plane), i.e. to reduce the frontal projection of the working body with a constant traction of the tractor.

After a subsequent change in the density of the soil, for example, decreases, the wings 5, 6 of the lancet paw and the damping element 4 return to their original position.

Claims (1)

The working body for loosening the soil, containing a rack with a bit rigidly fixed to the shoe, with which a damping element is rigidly connected, characterized in that the wings of the lancet paw are rigidly fixed to the damping element, which are spaced relative to each other: one wing is fixed to the shoe, and the other - at the end of the damping element, made in the form of a strip of spring steel.

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