Pipe laying TG-124 based on T-170 - drawing

Technical characteristics

Trumpeter TG124 based on tractor T-170

Load capacity nominal, kN 125

Maximum hook load during works, 125

kN

Hook lifting height at departure from parking level, m 2.0

Maximum departure, m 5.7

Minimum departure, m 1.5

Load lifting (lowering) speed, m/s

highest 0.17

smallest 0.058

Maximum driving force on the driving wheel, kN 140

Maximum longitudinal slope to overcome

at movement of pipe laying valve without load on hook, deg 25

Moment of stability, kNm 374

Specific pressure on soil maximum, MPa 0.25

Limit transverse slope towards boom, on which

operation of the pipe-laying valve during laying is permitted

piping, deg up to 15

Rated power, kW 117

Limit slope at which crane operation is permitted

pipe laying without acceleration, deg 10

Permissible slope (longitudinal, transverse),

on which it is permitted to operate the pipe-laying crane with single

cargo, hail 10

Structural weight of pipe laying, kN 228

Organizational and Technical Section

A feature of the construction of the linear part of the gas and oil pipeline is the continuous linear movement of the work front with multiple repetition of several main technological operations. The main technological operations include preparation and clearing of the route, delivery of pipes and pre-enlarged pipe sections, their welding into a continuous pipeline, passage of a trench along the pipeline, cleaning, insulation and laying of the pipeline in a trench, filling of the pipeline. Among the auxiliary operations, loading and unloading, especially the loading and unloading of pipes and pipe sections (up to 90% of all cargo), constitute a large share.

The main operations are carried out in-line, i.e. using mechanized columns continuously moving along the pipeline route at approximately the same speed of the mechanisms included in them. Support operations are carried out before, in parallel with or after the main work, and in many cases they are also performed in-line with a high level of mechanization.

For the mechanization of labor-intensive and heavy work, a large number of standard sizes of special machines are mass-produced :

- rotary trench excavators;

- machines and installations for cleaning and insulation of pipes;

- pipe laying cranes;

- cold pipe bending machines;

- horizontal drilling installations;

- welding units and units:

Many civil machines are also used: single-bucket excavators, graders, staplers, etc. However, the most basic and most common machines used in the construction of pipelines are pipe laying.

Pipe liners are self-propelled trolley equipped with side boom. They are designed to hold the pipeline when cleaning and insulation machines pass through it and at the same time lay the pipeline when cleaning and insulation machines pass through it and at the same time lay the pipeline in a trench, to hold the end of the pipeline and the welded pipe section, as well as the crowds, coils and fittings during welding installation works, for installation and retention of the pipeline during construction of underwater and air passages and for performance of various loading and unloading operations at welding installation bases and in the strip of the pipeline under construction.

In addition, pipe builders are widely used in various installation and loading and unloading operations outside the construction of the linear part of main gas and oil pipelines, for example, at construction sites and transshipment bases, at the installation of compressor and pumping stations, at the arrangement of gas and oil pipelines, at the laying of water supply and sewage networks of city utilities. Due to the fact that in addition to performing its main operations with a winch, the pipe laying is also able to mix with the load on insufficiently prepared platforms, it has turned from a special construction and installation machine into a universal one.

Several types of pipe layouts are mass-produced, differing in the purpose and nature of the work.

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