SU819263A1 - Apparatus for laying film under soil layer - Google Patents

Description

one

Isolation refers to the reinforcement of the soil in the construction of foundations, foundations and embankments by installing a waterproof coating, in particular, to devices for laying the film under a layer of soil.

A device for applying a film coating to a bulk light material is known, including a vehicle with a boom and mounted on the last drum for a roll film 1.

The disadvantage of such a device is the performance of individual operations manually and the possibility of its use only for bulk light materials, which limits its scope and increases the complexity of work.

The closest is a device for applying film coatings, including a movable frame, a cutting tool and a roll roll cassette, a skating rink hinged behind the frame and a tray 2 located above it, which are successively mounted on it.

The disadvantage of this device lies in the constructive solution of the loose working body, designed to remove light loosened materials, which does not provide reliable waterproofing of denser materials, in particular, soils,

due to possible frequent breakdowns of the working body and destruction of the film coating; large pieces of soil.

The purpose of the invention is to increase the reliability of waterproofing.

This goal is achieved by the fact that the device, including a movable frame, a cutting body and a roll roll cassette, a skating rink hinged at the back of the frame, and a tray located above it, are provided with a belt mounted behind the working body with a support belt located behind the working body. the drive roller, cutting off the working body is made in the form of a ripper with an undercutting inclined knife, and the tray has a longitudinal triangular outline of the slot, the vertices of which are directed side stroke.

FIG. 1 shows a device, a plan view; in fig. 2 - section A-A of FIG. one.

The device has a frame 1, on which the ripper 2 is installed, for example, in the form of teeth or disk cones. The number of teeth and their series taken at the rate of loosening the soil 3 into fractions with a particle size of not more than 80 mm. The adjustment of the depth of the rippers (up to 150 mm) into the ground is made by means of special clamps. On the frame 1, an inclined blade 4 is mounted, which is intended for cutting loose soil and moving it to the conveyor 5. Adjusting the inclined blade according to its depth (up to 150 mm) into the ground is done by changing the tilt angle to 20 °.

A conveyor belt 5, mounted on frame I, is rotated by a driving roller 6, which has a hinge connection with frame 1 and is connected to the conveyor belt by a mechanical transmission. The drive roller 6, when moving the frame 1, is in constant contact with the ground surface. The required speed of the conveyor belt is achieved by replacing one drive roller 6 with another. A cassette 7 with a roll of film 8 is mounted on frame 1 under conveyor 5. Below the cassette is a roller 9 for pressing the film to the surface of the earth bed while winding it from cassette 7. At the end of frame 1 under conveyor 5 it is inclined (at an angle of up to 70 °) A screening tray 10 is installed, which is made with the longitudinal triangular outlines through the slots I whose vertices are directed towards the working stroke. A sealing roller 12 is attached to the end of the frame on the swivel arms of the caster suspension, which seals the loosened material 3 deposited on the film.

The device works as follows.

A roll of film 8 with a width of up to 3.0 m is inserted into the cassette 7. The end of the film is unwound and passed under the pressure roller 9 and secured to the ground surface. The device is moving. using a tractor or other pulling means, and the lowered teeth of the ripper 2 loosen the soil to a depth of 150 mm, which is transferred by means of the knife 4 to the conveyor 5, driven by the driving roller 6 and the additional force generated from the loosened soil 3, which , gathering from the conveyor 5, falls on the screening tray 10 and is divided into fractions, initially into fractions of 1–2 mm, then into fractions of 3-5 mm and lastly, fractions with a particle size of 50–80 mm are fed to the film 8. The sealing roller 12 seals the loosened material deposited on the film.

As the device moves on the laid film, a protective layer is formed of loosened soil with a thickness of mm. At the end of the work, the device is disengaged from the tractor, the film 8 is cut off and the cassette 7 with the film remaining in it is closed.

The use of the invention provides a simplified design of the device by eliminating the engines.

for mechanisms; the possibility of using the device on soils with increased strength; separating the loosened material and applying it to the stacked film in fractions, which ensures reliable protection of the film not only from forcing it with ballasting material during the construction, for example, of railway tracks, but also from large fractions of loosened soil.

Claims (2)

1. USSR author's certificate DSO 380837, cl. E 21S 49/00, 1971. 2. USSR author's certificate No. 578459, cl. E 21S 49/00, 1974. R L MLL FIG. f 223 w / A (ffy // t ///..,yy///y3///.