RU214966U1 - Trailed cultivator for continuous tillage - Google Patents

Abstract

The utility model relates to agricultural engineering, to devices for pre-sowing tillage and fallow, in particular to cultivators for continuous tillage. The cultivator includes a carrying frame with a hitch and supporting wheels, four rows of universal lancet shares mounted on S-shaped spring struts, two sections of a needle harrow with spring loaders. On the frame of the cultivator, a towing device is pivotally mounted, support wheels with mechanisms for adjusting the depth of tillage, four rows of universal lancet shares mounted on S-shaped spring struts, two sections of needle harrows with spring loaders. Sections of needle harrows are installed at angles of attack with overlapping of the loosening zone. This combination of working bodies will ensure the preparation of the soil for sowing with minimal energy consumption and an increase in the quality of work.

Description

The utility model relates to agricultural engineering, to devices for pre-sowing tillage and fallow, in particular to cultivators for continuous tillage. The cultivator includes a carrying frame with a hitch and supporting wheels, four rows of universal lancet shares mounted on S-shaped spring struts, two sections of a needle harrow with spring loaders. On the frame of the cultivator, a towing device is pivotally mounted, support wheels with mechanisms for adjusting the depth of tillage, four rows of universal lancet shares mounted on S-shaped spring struts, two sections of needle harrows with spring loaders. Sections of needle harrows are installed at angles of attack with overlapping of the loosening zone. This combination of working bodies ensures the preparation of the soil for sowing with minimal energy consumption and an increase in the quality of work.

The utility model relates to agricultural engineering, to devices for pre-sowing tillage and fallow, in particular to cultivators for continuous tillage.

Known cultivator for surface tillage [RU 155209 U1, A01B 35/00 (2006.01), 27.09.2015], containing a frame on which a running gear with a rotating support on the soil is installed, a mechanism for adjusting the depth of tillage, loosening working bodies in the form of lancet paws, soil-cultivating rollers, which are four sections, combined into two groups of two bar rollers in each and connected to each other by rods through a hinge, characterized in that each group of rollers is mounted on longitudinal rods, the front ends of which are fixed on the first transverse beam of the frame in the form of a hinged connection with it, and the rear row of rollers of each group is made spring-loaded with at least two springs each.

The disadvantage of the known device is the low quality of tillage, insufficient cutoff of weeds.

Known cultivator for pre-sowing tillage [RU 36932 U1, A01B 39/19 (2000.01), 10.04.2004], containing a frame placed on it with sections, including a copy wheel, a ridge with working bodies, characterized in that the copy wheel of the section is made ringed - spurred, in front of the ridge there is a lancet paw equipped with a bar deck, above which an active finger rotor is installed, while chain links are hinged to the ends of the fingers, and a leveling element is placed at the end of the ridge.

The disadvantage of this design is that the working bodies are driven from the power take-off shaft, which increases the metal and energy consumption of the structure, the cost of its manufacture, the complexity of maintenance and repair.

A cultivator section is known [RU 196706 U1, A01B 39/19 (2006.01)/ 12.03.2020]. The cultivator section includes a flange, a beam of a disk knife stand, a lancet share, a needle harrow section, a roller, springs, wedge-shaped knives, segments, a disk knife. A bar is rigidly attached to the flange, on which racks of a disk knife, a lancet share, a section of a needle harrow and a spring fastening unit connected to the roller rod, pivotally connected to the end of the bar, are installed in series. The cutting edge of the lancet paw is made at the level of the lower point of the disc knife. Wedge-shaped knives are rigidly mounted at the same distance from each other on the wings of the lancet paw. One of the wedge-shaped knives is mounted on the toe of the lancet paw, and the tops of the wedge-shaped knives are located at the same level, and segments with overlapping opposite ends are hinged to them. The ends of the needles of the needle harrow section are located at the level of the segments.

The disadvantage of this design is the impossibility of its use in wide-cut tools for continuous pre-sowing tillage.

The technical result of the proposed utility model is to improve the quality of tillage.

The technical result is achieved using a trailed cultivator, including a carrier frame with a towing device and support wheels, four rows of universal lancet shares mounted on S-shaped spring struts and two sections of a needle harrow with spring loaders. At the same time, according to the utility model, the sections of the needle harrow are installed at angles of attack with overlapping of the loosening zones and are spring-loaded by additional loaders at least at two points.

A trailed cultivator for continuous tillage consists (Fig. 1, 2) of a frame 1, on which a tow hitch 2 is pivotally mounted for connection with a power tool, support wheels with mechanisms for adjusting the depth of tillage 3, four rows of universal lancet paws 4 mounted on S-shaped spring struts 5 and two sections of the needle harrow 6 with spring loaders 7.

The work of the cultivator will be clear from the description and drawings:

fig. 1 - cultivator (side view);

fig. 2 - technological scheme of the cultivator (top view).

The trailed cultivator for continuous cultivation works as follows: using the adjustment mechanism with support wheels 3, the depth of tillage is set (3 ... 8 cm), the cultivator is lowered to its surface, and movement begins. When the cultivator moves along the cultivated surface, pneumatic wheels 3 copy the microrelief of the cultivated soil surface, universal lancet paws 4 mounted on rigidly fixed S-shaped racks 5 on frame 1, moving at a given depth with overlapping loosening zones, cut weeds and form a sowing bed, and sections of needle harrows 6, working at angles of attack with overlapping of the loosening zone, produce additional semi-active loosening of the topsoil, crumbling lumps and blocks, final leveling of the field surface with combing out weeds.

A distinctive feature of the cultivator from other samples, in terms of mechanical impact on the soil, is a high degree of copying the soil microrelief with an increased degree of crumbling of lumps and blocks, leveling the topsoil and combing out weeds.

The copying of the soil microrelief occurs due to the four-row installation of lancet shares with S-shaped spring struts and two sections of the needle harrow, working at an angle of attack with overlapping of the loosening zone. In addition, in the process of exposing the upper layer of soil to the working bodies of a cultivator of various types, a stable quality of the technological operations of pre-sowing tillage is ensured.

Claims (1)

Trailed cultivator for continuous tillage, containing a carrier frame with a towing device and support wheels, four rows of universal lancet shares mounted on S-shaped spring struts, two sections of a needle harrow with spring loaders, characterized in that the sections of the needle harrow are located at an angle of attack with overlapping of the loosening zone.

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