SU745412A1 - Ploughshare - Google Patents

Description

(54) BROADER

one

The invention relates to agricultural machinery, in particular to coulters, and can be used for sowing rice and cereal crops on soddy soils and in areas subject to wind erosion.

Known polozovidny coulter, including, ira nalnnnk and cheeks 1.

Known opener, including two sides, one of which is provided with a cutting edge and is made in the form of a hyperbolic paraboloid 2.

The disadvantages of these coulters are that the inclined front part has a polosoid shape of the cutting edge, which in its continuation becomes rack and is the place of attachment. The cutting edge shape on compacted, grounded and stubble-covered soils does not provide cutting of the sod — it needs to be forced into the soil, which increases traction resistance. In addition, they do not provide for the separation of seeds and fertilizers when they are sown at the same time.

2

The purpose of the invention is to reduce efforts when the collar joins the soil and to expand its technological capabilities.

This is achieved in that the coulter is provided with a knife, which is mounted on the back side of the sidewall, and the cutting edge is formed along the straight surface of a hyperbolic paraboloid that is located at an acute angle to the bottom edge of the sidewall.

FIG. 1 shows a joint in three projections; in fig. 2 - the same, in isomerism; in fig. 3 is a view A of FIG. 2; in fig. 4 shows a groove in vertical section.

The cushion pad consists of a sidewall 1, a hyperbolic paraboloid with a cutting edge located at an acute angle to the bottom edge of the sidewall of the knife 2, a pillar 3 and a second sidewall 1. In accordance with this, one half of the split is equipped with the left, and the other with the right or mated for two on one leash, which ensures the preservation of the straightness of the stroke of the split.

The helper works as follows.

When the coulter moves, the cutting edge of the sidewall, made along the forming surface of the hyperbolic paraboloid and located at an acute angle to the lower edge of the sidewall, ensures self-deepening when entering the soil. Undercutting the soil layer obliquely, the cutting edge pushes the uncut turf to the side and protects the gland joint from clogging.

The working surface of a hyperbolic paraboloid smoothly slightly raises, shifting to the right or to the left, a layer of soil undermined at the base.

As a result, a groove in the form of a rectangular triangle is obtained in the cross section from the back side of the sidewall, one of the legs of which is vertical or close to the sidewall surface 1, the hypotenuse is tilted soil wall, onto which mineral fibers are attached to the tuck guide reinforced in front of the knife 2. fertilizer. Knife 2, reinforced from the back of the sidewall, cuts an oval bed in the inclined wall of the furrow. Soil shavings with mineral fertilizers on its surface are reflected by the sidewall 4 reinforced behind the knife 4. From this wire, which is connected to this sender (not shown), the seeds fall directly onto the cut bed. Za745412

Mineral fertilizers and seeds are produced by lowering the previously cut and somewhat raised soil immediately after the passage of the rear edge of the side of the open joint. Such an embodiment of the design increases the efficiency of the joint by self-deepening, high-quality seeding with the separation of mineral fertilizers and seeds.

Claims (2)

1. USSR author's certificate number 561536, cl. A 01 C 7/20, 1975. 2. USSR author's certificate No. 388698, cl. A 01 C 7/20, 1976 (prototype). oh oh .J (rig 5