RU2234826C1 - Soil slitting tool - Google Patents

Abstract

FIELD: agricultural engineering, in particular, erosion controlling equipment.

SUBSTANCE: soil slitting tool is made in the form of curvilinear-concave cutting edge. Chisel is positioned on lower part of tine. Knife with curvilinear-cutting edge is made with split mid portion. Said parts of knife are evenly deflected from tine side to different sides. Tine mid portion is equipped with two-sided blade.

EFFECT: simplified construction, reduced draft and increased yield of perennial fodder crops.

3 dwg

Description

The invention relates to agricultural machinery, in particular to the working bodies of tools designed to combat soil erosion.

Known soil cultivator containing a frame on which V-shaped side knives are mounted, connected to each other in the lower part by a cutting working body, in which, in order to improve the quality of loosening and reduce the metal consumption, the cultivator is equipped with a knife-like stand, which is installed in a longitudinally vertical plane of symmetry side knives and is offset relative to the latter in the direction of movement, with the lower end of the knife-shaped rack connected to the cutting working body, and the upper ends of the knife-shaped rack and sides of knives are interconnected; each side knife is hollow and has a cross-section in the form of a triangle, one of the vertices of which is located in the direction of movement, and the cross-sectional area of the knife in the upper part is larger than the cross-sectional area in the lower part; the angle between the knife-shaped stand and each of the side knives is less than 90 ° (SU, copyright certificate No. 1395154 A1, M. cl. ^4. A 01 B 13/16. Soil cultivator / Garkavy A.D., Sheludchenko B.A., Oil I.P. et al. (SU) .- Application No. 4123242 / 30-15. Announced July 14, 1986. Publish. May 15, 1988. Bull. No. 18).

The disadvantages of this cultivator include overhanging of root residues and overhead shoots on the blades of the vertical middle and inclined side knives.

The closest analogue to the claimed object relates to a working body for soil sowing, made in the form of a rack with a knife, in which, in order to create open continuous slots without protruding soil rollers, the knife is made in the form of a two-sided vertical wedge with a curved-concave cutting edge; in order to reduce the falling asleep of the gap with soil in the rear part of the knife, plates are pivotally fixed; the angle of attack of the knife is made variable in height; leveling plates are curved outwardly (SU, copyright certificate No. 389735, M. class A 01 B 13/16. Working body for soil cleavage / Sidorenko VN (SU). - Application No. 1728104 / 30-15. Declared December 23, 1981. Publish. July 11, 1973 Bull. No. 30).

Despite the fact that the knife is made in the form of a dihedral vertical wedge with a curvilinear cutting edge on the front, root residues from the subsurface horizon and plant debris from the surface of the arable layer accumulate in the middle of the rack. This leads to a sharp increase in traction resistance of the working body and a decrease in the quality of the slots made.

The invention consists in the following.

The problem to which the invention is directed, is to improve the quality of water-absorbing slots made on pastures and under perennial feed crops.

EFFECT: reduced traction resistance and increased productivity of leguminous and bluegrass crops, as well as their mixtures.

The specified technical result is achieved by the fact that in a known working body for soil sowing, made in the form of a rack with a knife in the form of a vertical wedge with a curved-concave cutting edge and a chisel in the lower section of the rack, according to the invention, a knife with a curved-concave cutting edge on the front part racks are made with a gap in the middle part, the mentioned parts of the knife are smoothly deflected in different directions from the side of the rack, and its middle part is equipped with a dihedral blade.

The invention is illustrated by drawings.

In Fig.1 shows a working body for slitting soil, side view.

Figure 2 is the same front view.

Figure 3 - section aa in figure 1, the position of the left bent part of the knife with respect to the dihedral blade in the middle of the rack.

Information confirming the possibility of implementing the claimed device are as follows.

The working body for soil slitting is made in the form of a stand 1 with a knife 2 in the form of a vertical wedge with a curved-concave cutting edge 3 and a chisel 4 in the lower part of the stand 1. To simplify the construction, the stand 1 is made of sheet metal 16 ... 24 mm thick. The material of the rack 1 is steel 20 ... steel 30. The mounting part 5 of the rack is provided with holes 6 for connecting to the frame of the tillage implement. The bit 4 is made of structural steel and with the bottom of the rack 1 is conjugated with welds.

The knife 2 with a curved cutting edge 3 on the front part 7 of the rack 1 is made with a gap in the middle part, forming the free ends 8 and 9. The mentioned ends 8 and 9 of the knife 2 are smoothly deflected in different directions from the sidewall 10 of the rack 1. In the middle part in the diagonal blade 11 is made near the free ends 8 and 9 on the front of the rack. Vertical sections 12 and 13 on the sidewall 10 are limited by cylindrical holes 14.

The working body for soil cleavage is as follows.

The mounting part 5 of the rack 1 is bolted to the frame of the tillage machine.

With steady movement, the bit 4 on the bottom of the rack 1 holds the working body at a given depth. The cutting edge of the bit 4 cuts the soil at a depth of 40 ... 45 cm from the day surface of the field. Curved-concave cutting edge 3 on the lower part of the rack 1, the uncut roots of the plants moves upward from the bit 4 to the free end 9. The hanging roots from the end 9 of the knife go into the side slit. Parts of the stems, stubble, crop residues of the curvilinear cutting edge 3 on the upper part of the rack 1 are carried down towards the free end 8 of the knife 2. Uncut crop residues descend from the end 8 of the knife into the side slot. On the middle part of the rack 1, the plant roots are cut with a dihedral blade 11. The walls of the slit are reinforced with cut remains of the roots, stems, and stubble.

During irrigation of perennial forage crops, irrigation water slides down along the reinforced walls and smoothly fills the gap cavity. Due to capillaries in the soil and gravity, water penetrates in the lateral directions, increasing the soil moisture supply. Reinforced slots exclude water erosion processes and provide a uniform distribution of precipitation on the surface of the irrigated field. This achieves a significant increase in the yield of green mass of perennial feed crops.

Self-cleaning curvilinear-concave cutting edges provides a stable implementation of the process - crafts cracks and a significant reduction in traction resistance of the working body.

Claims (1)

The working body for soil slitting, made in the form of a rack with a knife, a knife in the form of a vertical wedge with a curved-concave cutting edge and a chisel in the lower section of the rack, characterized in that the knife with a curved-cutting edge on the front of the rack is made with a gap in the middle parts, the mentioned parts of the knife are smoothly deflected in different directions from the side of the rack, and its middle part is equipped with a dihedral blade.

Images