RU95055U1 - EXCAVATOR PIPE SUBDEPENDENT WITH ONE ROTARY DROP CROWDER - Google Patents

Abstract

 1. Excavator-pipe digger with one rotary ditch digger for digging a trench and laying a pipeline, comprising a conveyor for moving the excavated soil to the dump, characterized in that it further comprises roller bearings to create a gap between the rotary ditch digger and the pipeline and laying the pipeline. ! 2. A pipe excavator with one rotary ditch for digging a trench and laying a pipeline according to claim 1, characterized in that it contains a conveyor system for moving the excavated soil and filling the trench.

Description

The utility model relates to pipeline transport.

Known non-lifting method of laying trunk pipelines. With this method, the operation of lifting the pipeline and pushing it onto the line of a previously opened trench with descent to its bottom using a column of heavy lifting machines — pipe-laying machines is excluded. The pipeline is mounted and welded from pipes laid on the ground along the axis of the route. Then, a specialized excavator-pipe-digger moves along the pipeline, tearing off a trench directly under the pipeline, into which the latter gradually (as the excavator-pipe-digger moves) falls under its own weight (V. Minaev “Machines for the construction of main pipelines.” Textbook for universities. - M .: Nedra, 1985, 440 p.).

With this method, the total number of pipeline construction machines and the personnel serving them is significantly reduced, the pace of installation is increased and its quality is increased due to the absence of dynamic loads on the pipeline by the working bodies of construction machines, reduction of bending stresses in it, laying of the pipeline on a soft one (which did not have time to dry, weathering or freezing) the bottom of the trench, since the time from the moment of development to laying on the bottom of the pipeline is measured in minutes.

The non-lifting method allows you to fully automate digging and laying works.

In this case, there is no need for a careful planning of the construction strip, since the working bodies of pipe excavators, regardless of the microrelief of the area, using the pipeline as a copier, tear a trench under it with the exact correspondence of its bottom line to the lower generatrix of the pipeline laid on the ground, and the pipeline fits exactly into the trench both in the vertical plane and in the plan.

In practice, the scheme of a pipe-deepener, consisting of two excavators: right and left, moving on both sides of the pipeline, tearing a trench under it and spreading the excavated soil into two roll rollers on both sides of it, has gained popularity (Minaev V.I. pipelines. "Textbook for universities. - M .: Nedra, 1985, 440 p.).

Domestic industry has created two-rotor and two-bucket type pipe excavators-excavators. The first of them has two rotary trench excavators with an inclined arrangement of rotors. The bucket-type excavator-digger consists of two universal hydraulic excavators: right and left, whose working bodies with the help of additional devices have the ability to tilt in a plane perpendicular to the axis of the machine (when the rotary part is located on this axis).

The disadvantage of these structures is the bulkiness of the structures, the heavy weight, the difficulty of ensuring the synchronous operation of two excavators and two rotors, high capital investment in manufacturing and high operating costs.

The objective of the utility model is to simplify the process of digging and laying the pipeline, as well as reducing weight, the cost of manufacturing and operating equipment.

The problem is solved in that the excavator-pipe excavator with one rotary ditch for digging a trench and laying the pipeline, containing a conveyor for moving the excavated soil into the dump, according to the utility model additionally contains roller bearings to create a gap between the rotary ditch digger and the pipeline and laying the pipeline, as well as the system conveyors for moving excavated soil and filling the trench.

A new design of a pipe excavator with one rotary ditch digger is proposed.

Figure 1 presents a General view of the excavator-pipe digger with one rotary ditch. Figure 2 and figure 3. shows rear and front views, respectively. In Fig. 4, a second embodiment is proposed.

An excavator-pipe excavator with one rotary ditch digger (Fig. 1) consists of a crawler-driven machine 1, a rotary ditch digger 2 and its control mechanism 3, a roller support 4 to create a gap between the rotary ditch digger and the pipeline and lay the pipeline, soil conveyor 5.

The principle of operation of the excavator-pipe digger with one rotary ditch is as follows. As the machine moves along the caterpillar track 1 along the pipeline 6, the rotary ditch 2, controlled by the mechanism 3, cuts the soil and creates a trench 7. The excavated soil 8 is transported to the dump 9 via the conveyor 5. The pipeline is laid using the roller support 4 under its own weight in the trench. Roller bearings do not allow the pipeline to contact the working parts of the machine, thereby protecting the insulated surface of the pipeline from mechanical damage.

A second version of a pipe excavator with one rotary ditch digger is also proposed, which is distinguished by the presence of a conveyor system 5 of soil, as well as a support and control system 10, which makes it possible to immediately fill it with soil 8. After laying the pipeline in the trench, this reduces the complexity of the process, costs and time for laying and filling the pipeline.

Claims (2)

1. Excavator-pipe digger with one rotary ditch digger for digging a trench and laying a pipeline, comprising a conveyor for moving the excavated soil to the dump, characterized in that it further comprises roller bearings to create a gap between the rotary ditch digger and the pipeline and laying the pipeline. 2. A pipe excavator with one rotary ditch for digging a trench and laying a pipeline according to claim 1, characterized in that it contains a conveyor system for moving the excavated soil and filling the trench.