Kratovil

 

The invention relates to the reclamation technique and is intended for the construction of mole drainage in the rice fields and regulation of water, air and salt regimes of soils. Kratovil includes a frame, a support roller, knife and drainer-Widener containing cone and a cylindrical part and is made with tabs and slots. Knife articulated with grenera-Widener along its cone, and the protrusions and the grooves are made on the cylindrical part of trenera-Widener, and the number of projections is at least three. One projection is always at the bottom, that is diametrically opposite to the knife in the same plane with him. Cone trenera-Widener performed with the angle between the generatrix and the base equal to 45º+/2, where- the average friction angle of the soil on the steel, and under the same angle set knife relative to the generatrix of the cylindrical part of trenera-Widener. The invention allows to increase the life of the drains and reduce the energy consumption of the process crotolaria. 1 C.p. f-crystals, 2 Il.

The invention relates to the reclamation technique and can be used in the construction of mole drainage in rice fields to control water, vom.And. Roller borastapeter-rotovating. Agronomy journal. Rice cultivation intensive technologies. M: Rosselchozizdat, 1987, 62-63 C.), comprising a frame, a knife with grenera and an ice rink.

Kratovil characterized by the following disadvantages:

- drainer with cut in the form of an inclined platform rigidly mounted on the knife, creates compaction arch drains and crumbling Foundation that leads to washing away, the subsidence of the roof and the violation of technological reliability drains;

bevel drive over grenera shall cut the furrow, water gap after the knife, thereby provides a fast blur vault soils, subsidence him and stop the passage of water through the drains.

Known kratovil (Popov, C. A., Sergeev, A. I., Tulyakov H. F. and other Mechanization chromogranin works and basic safety rules. Recommendations for the construction and operation of mole drainage on the rice crops. M.: Kolos, 1983, 9-10 C.), comprising a frame, track roller, knife and drainer-Widener.

Kratovil characterized by the following disadvantages:

- drainer with cut in the form of an inclined platform rigidly mounted on the knife, and the Widener create a drain of circular cross section with a crowded vault, with cracks in the soil, which upon receipt in the t kernel soil compaction, stuck working bodies and increase energy costs in chromowanie.

Known kratovil (Bulletin No. 9, 1970, Holidays, P. S. USSR author's certificate No. 264833, 1288446/29-14, dated December 8, 1968, class 45, 13/00, And 01) adopted for the prototype, including a frame, a support roller, knife and drainer-Widener containing cone and a cylindrical part and is made with tabs and slots, with the knife articulated with grenera-Widener along its cone.

Kratovil characterized by the following disadvantages:

- the presence of two major consumers: the drive cable with sickle knives, the Cam and lifters; knife with grenera-Widener complicates the design, reduces reliability, and most importantly - makes kratovil more energy-intensive;

knives in the process of soil treatment at high humidity (40%) create crushed the soil close to the pulp - than complicate the task of sealing the vault and the bottom crottogini Widener, reduce the reliability of operation of drains, shorten the period of effective operation of drains;

the influence of the pushers on the surface layer of soil in a cylindrical area of the seal trenera-Widener (in the process of moving) destroys the layer of compacted soil, instead of additional seals, if agnosti of Widener.

The objective of the invention is to increase the period of functioning of the drains during aeration and excess water from moist and waterlogged soils, and to reduce the energy intensity of the process crotolaria.

To achieve the objectives of the protrusions and the grooves are made on the cylindrical part of trenera-Widener, and the number of projections is at least three, with one projection is always at the bottom, that is diametrically opposite to the knife in the same plane with him, and the cone of trenera-Widener performed with the angle between the generatrix and the base equal towhere- the average friction angle of the soil on the steel, and under the same angle set knife relative to the generatrix of the cylindrical part of trenera-Widener.

In Fig.1. shows a schematic diagram of crotonates (side view). In Fig.2 - section a-a in Fig.1.

Kratovil consists of a frame 1, track roller 2, a removable knife 3 grenera-Widener 4 connected rigidly along generatrix of the cone 5, which goes to the tabs 6 and grooves 7.

Kratovil works according to the following scheme. The knife 3 is lowered in peripheral drainage ditch rice check (field) on a regulated depth. When moving the unit forward cone 5 trenera-rasshirila to expand and strengthen pre-cylindrical part crottogini. The soil displaces in depression and closes the groove cut by the knife 3, there is formed a narrow channel for the discharge of water in a ditch. The water velocity in the narrowest part of the drain is higher than on the sides that allows you to protect drains from fast pouring, thereby increasing operation time in 1,5-2,0 times.

Claims

1. Kratovil, comprising a frame, track roller, knife and drainer-Widener containing cone and a cylindrical part and is made with tabs and slots, with the knife articulated with grenera-Widener along its cone, characterized in that the projections and grooves are made on the cylindrical part of trenera-Widener, and the number of projections is at least three, with one projection is always at the bottom, that is diametrically opposite to the knife in the same plane with him.

2. Kratovil under item 1, characterized in that the cone trenera-Widener performed with the angle between the generatrix and the base equal to 45º +/2, where- the average friction angle of the soil on the steel, and under the same angle set knife relative to the generatrix of the cylindrical part of trenera-Widener.

 

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