Method of laying main line across roads

FIELD: transport.

SUBSTANCE: proposed method comprises driving the trench to accommodate therein the protective jacket to receive the pipeline thereafter. Before driving said trench, in front of motor road or railway said protective jacket is placed to accommodate rotary screw with detachable cutting element at its end face directed toward the road. Cutting tool diameter equals protective jacket OD. Screw length exceeds that of protective jacket, screw extension being directed from the road. Screw shaft is engaged with rotary drive placed at slide rails provided with semicircular ledge arranged atop said rails and directed toward protective jacket above said screw, its end and jacket ends are jointed together by flanges to be bolted together. Slide rails are to be fixed relative to drive by "П"-like bracket secured at drive frame to thrust against slide rails rear end and to surround them from both sides. Then, screw drive is switched on to displace slide rails with revolving screw and protective jacket toward the road so that said jacket penetrates into soil to get completely buried therein. Then, said cutting element and bolts are removed from screw end. Then said screw is withdrawn from said jacket to fit main pipeline section therein.

EFFECT: safe and reliable laying, lower costs and labor input.

5 dwg

 

The invention relates to pipeline transport and can be used for crossings of trunk pipelines through Railways and roads.

Famous adopted for the prototype system transition pipeline across the street and method of its manufacture, containing the protective cover located under the road outside of the pipe and the annular space between the protective casing and tubing filled plastic mass on the basis of synthetic high molecular weight compounds while ensuring the sealing annulus between the pipe and the protective casing with mechanical seal (U.S. Pat. Of the Russian Federation No. 2426930, IPC F16L 7/00), publ. 20.08.2011,, bull. No. 23).

However, a disadvantage of the known system transition pipeline across the road is digging trenches under roads or Railways before placing a tubular protective casing in the trench. Such an installation does not exclude the possibility of sagging of the support elements of roads and Railways, especially when passing over the dug trench road or rail transport, which can lead to the violation of the integrity of the supporting elements of roads. In addition, when passing over the trench vehicles can be partially or completely filling the trench with soil, which will require secondary excavation of the trench.

The technical result of the invention is the elimination of the possibility of violations of quality supporting elements of roads or railroads in the area of installation of underground pipeline across the road, as well as reducing the labor and time costs for laying a pipeline across the road.

The technical result is achieved in that in the method of laying pipeline across the road including excavation of trenches and placing in it a protective casing with subsequent placement of the pipeline, before the excavation of the trench prior to road or railway place protective casing of tubular cross-section to accommodate for rotation of the auger with a removable cutting element on its end side facing the road, the diameter of which equals the outer diameter of the protective casing, the length of the auger accept greater than the length of the protective casing with a projecting part of the screw in the side of the road, and the shaft of the auger perform kinematically associated with drive its rotation placed on the sled, on top of which are directed towards the protective casing and placed with a gap above the auger semicircular protrusion, the end of which and the end of the protective casing is made with flanges, with the possibility of their connection with screws, while the sled is placed is the possibility of fixation relative to the mobile mechanism using fixed on the frame is a U-shaped bracket with its emphasis in the rear part of the carrier and their coverage on both sides, after that, include a screw drive using movable slide mechanism with a rotating screw and connected with a semicircular protrusion of the slide protective cover placed in it a screw is shifted to the side of the road with the introduction of a protective casing with a rotating auger into the soil under the road with the destruction and removal of soil auger of the protective casing to complete the placement of the protective cover under the road, after which the end part of the screw remove the cutting element and the bolts connecting the flanges of the protective casing and a semicircular protrusion of the slide, then use the mobile mechanism from the enclosure and remove the screw and in a protective cover place the pipeline section.

Method of laying pipeline is illustrated in the drawing, in which figure 1 - position with respect to the tubular protective casing placed in it a screw in front of the road prior to the laying of the pipeline, figure 2 - section a-a of figure 1, figure 3 - cross-section B-B of figure 1, figure 4 is a view of figure 1, figure 5 is a transverse vertical section of road with a posted underneath the protective cover and the screw.

The method of laying the pipeline across 1 includes the excavation of the trench and placed in it a protective casing 2 with the subsequent placement of the pipeline (not shown). However, before the sinking of the trench prior to road or rail 1 place protective couch tubular cross-section to accommodate for rotation of the screw 3 with the cutting element 4 in its front part, facing the side of the road 1. The diameter of the cutting element 4 is equal to the external diameter of the protective casing 2. The length of the screw 3 take greater than the length of the protective cover 2, with a projecting part of the screw 3 in the side of the road 1. The shaft 5 of the screw 3 perform kinematically connected to the drive 6 of rotation placed on the carrier 7. On top of the sled 7 is fixed directed towards the protective casing 2 and placed with a gap above the auger 3 semicircular protrusion 8, the end of which and the end of the protective cover 2 is made with flanges 9 with the possibility of their connection by means of bolts 10. The carrier 7 is placed with the possibility of fixing a relatively movable mechanism 11 with attached to the frame is a U-shaped bracket 12 with its emphasis in the rear part of the slide 7 and their coverage on both sides. After that, include the drive 6 of the screw 3 and using a mobile mechanism 11 with the screw 3 and connected with a semicircular ledge 8 of the carrier 7, the protective cover 2 placed in it by a screw 3 is shifted to the side of the road 1 with the introduction of the protective cover 2 screw 3 in the soil under the road 1. Due to the interaction of the cutting element 4 and the screw surface screw 3 soil ensured its destruction and the destruction of the screw 3 from the inside of the protective casing 2 with the discharge of the removed soil through protruding from the protective aguja 2 part screw 3. Protective cover with 2 screw 3 to implement the necessary placement under the road 1. After that, with the end part of the screw 3 remove the cutting element 4 and the bolts 10, which connects the flanges 9 of the protective casing 2 and the semi-circular protrusion 8 of the carrier 7. Then with the help of movable mechanism 11 of the casing 2 remove the screw 3, and the protective cover 2 place the pipeline section (not shown).

Features of the invention exclude the possibility of compromising the quality of the supporting elements of roads or railroads in the area of installation of underground pipeline across the road, and also provide reduction of labor and time costs for laying a pipeline across the road.

The method of laying the pipeline across the road including excavation of trenches and placing in it a protective casing with subsequent placement of the pipeline, characterized in that prior to the excavation of the trench prior to road or railway place protective casing of tubular cross-section to accommodate for rotation of the auger with a removable cutting element on its end side facing the road, the diameter of which equals the outer diameter of the protective casing, the length of the auger accept greater than the length of the protective casing, a projecting part of the screw in the side of the road, and the shaft ø the ESA perform kinematically associated with drive its rotation, posted on the sled, on top of which are directed towards the protective casing and placed with a gap above the auger semicircular protrusion, the end of which and the end of the protective casing is made with flanges, with the possibility of their connection with screws, while the sled is placed with the possibility of fixation relative to the mobile mechanism using fixed on the frame is a U-shaped bracket with its emphasis in the rear part of the carrier and their coverage on both sides, then include a screw drive using movable slide mechanism with a rotating screw and connected with a semicircular ledge slide the cover is placed it screw is shifted to the side of the road with the introduction of a protective casing with a rotating auger into the soil under the road with the destruction and removal of soil auger of the protective casing to complete the placement of the protective cover under the road, after which the end part of the screw remove the cutting element and the bolts connecting the flanges of the protective casing and a semicircular protrusion of the slide, then use the mobile mechanism from the enclosure and remove the screw and in a protective cover place the pipeline section.



 

Same patents:

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