!

Creation of holes by the unrolling device

Renewal of pipelines with use of the unrolling device

!

CREATION OF HOLES IN THE EARTH BY

THE UNROLLING DEVICE

Rolling holes represents continuous process of creation of a cylindrical cavity by deformation and concentrating of soil by the unrolling mechanism. This mechanism (the unrolling device) consists of the several conic skating rinks freely rotating on an axis. The axis of skating rinks is located under a corner and displaced concerning a device axis, so – that, at device rotation, skating rinks rotate on a spiral. At rotation and axial moving of the unrolling device, skating rinks form a hole. Each skating rink enters into the site of a hole unrolled by the previous skating rink, and thus increases diameter of a hole. The earth is condensed in a radial vector and round a hole the dense zone in diameter equal to 3-4 diameters of a hole is formed. Formation of a hole by skating rinks of the unrolling device is identical to compression by group of skating rinks of a surface of the earth so, that each subsequent skating rink is heavier, than previous.

Unlike traditional methods of creation of holes in the earth where the destroyed breed is taken out on a surface, the unrolling device creating a hole in the earth, condenses breed in hole walls. It allows receiving a steady cylindrical hole in which communications of different function can be laid.

The unrolling device of holes keeps the working capacity in any compressed earth to 4th category inclusive, or with stone inclusions no more than 1/3 of a diameter of the unrolling device.

The technology «ROLLING HOLES» is a new technology of a method of creation of holes without earth extraction.

Advantages of technology - «ROLLING HOLES»:

a)  Rather low power consumption of process of formation of a hole;

b)  Absence of vibration and noiselessness at creation of holes;

c)  Possibility of creation of holes of big diameters and length;

d)  High speeds of creation of holes;

e)  The big economic benefit for the account:

·                       reduction of terms of creation of holes;

·                       decrease in volumes of excavations;

·                       reduction involved for manufacture of creation of holes of technics;

·                       reduction of the working personnel for creation of holes.

The given technology can be applied in electric power industry, municipal services, telecommunications, the oil and gas industry, a construction of buildings,

For example: installation of pipelines without trench creation, installation of electric cables and communication lines; destruction of an old pipe and replacement by a new pipe; strengthening of the bases of buildings - here is far not the full list of possibilities of the unrolling device of holes.

Technological process of creation of horizontal holes by

the unrolling device:

1. Installation of the block of the engine with a control panel

in a working pit.

2. Orientation of the block of the engine to an axis

of a projected hole.

3. Creation of a preliminary hole on length not less than 2/3

lengths of the unrolling device.

!

4. Installation of the unrolling device in a preliminary hole.

5. Connection of the unrolling device with the block of the engine,

through a pipe for drilling.

6. Inclusion of the mechanism of rotation and transportation

on the block of the engine.

7. Installation of pipes for drilling in process of advancement

of the unrolling device in the earth.

8.  A detachment of the unrolling device from a set of pipes

after its exit in a reception pit.

9. Joining of the unrolling device for expansion of the of a

hole connected with the pipeline incorporates with a set

of pipes in a reception pit.

10. An exit of the unrolling device for expansion of

the of a hole connected with the pipeline,

in a working pit.

.

.

The vertical creation of holes by the unrolling device