SU1663134A1 - Device for assembling and testing spigot-and-socket pipings - Google Patents

Abstract

This invention relates to a technique for the construction of socket pipelines with simultaneous testing. The goal is to expand the functionality by providing work with various lifting mechanisms and increasing autonomy. On the yoke 1, the fixed grippers 2 and the hinged rod (W) 4 are installed with two plugs 5 and pressure elements (NE) 6 and 7 plugs 5. The fixing unit of the previously laid pipe is designed as a spacer beam 9 with the shoes 10 pivotally mounted on the free end W 4. T ha (T) 11 parallel W 4 and pivotally connected to the beam 9. The coupling unit is made in the form of sliding fingers 12 installed in the NE 6. From the side of the cross beam 1, the end of the W 4 is threaded and a nut 14 is installed on it associated with ne 6. 6. 4 and T 11 are placed inside the vessel 16 with the liquid. The nut 27 is rotated, the beam 9 is rotated and fixed in the previously laid pipe. Push the fingers 12, rotate the nut 14, plugs 5 seal the pipes. The pump 22 serves the liquid 25 from the tank 16 into the cavity of the pipe. 1 hp f-ly, 4 ill.

Description

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The invention relates to the construction and can be used for the installation and testing of pressure pipes from socket pipes.

The purpose of the invention is the expansion of operational capabilities by providing work with various lifting mechanisms and increasing autonomy

FIG. 1 shows the device prior to insertion into the pipe being laid, the general view in FIG. 2 — node I in FIG. 1 (cut); in fig. 3 - device before docking pipes; Fig. 4 is a diagram of the test section of the pipeline.

The device for mounting and testing bell-shaped pipelines contains a mounted traverse 1, installed — 20 — not on it — fixed clamps of 2 pipes with rollers 3, pivotally connected at one end (not marked) with the traverse 1, rod 4 with two plugs 5 pushing elements 6, 7 plugs 5, 25 with a fixing unit of a previously laid pipe 8 in the form of a spacer beam 9 with shoes 10 pivotally mounted on the free end (not marked) of the rod 4, and the fitting 11, parallel to the rod 4 and the joint unit pivotally connected to the beam 9 not shown) with stubborn elements The retractable pins 1.2 installed in the pressure element 6 of the plug 5 intended for sealing the newly laid pipe 13. The end of the rod 4 connected to the crosspiece 1 is threaded.

The device also contains a feeding mechanism for the docking station in the form of a nut 14 with handles 15 mounted on the threaded end of rod 4 and connected with pressure element 6 of plug 5 with the possibility of axial displacement of element 6, cylindrical container 16 with blind ends (not indicated), suction and discharge pipes (not shown), air exhaust unit 17 with ball valve 18, pressure gauge 19 and pressure multiplier 20 with screw 21, reversing pump 22 connected to tank 16 with pipelines 23 to filters 24, Capacity 16 filled liquid 25, and the rod 4 and tons ha 11 placed inside the tank 16.

On the rod 4, a stop nut 26 is installed, and on the free end

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(not indicated) The glands 11 are a nut 27. The fingers 12 are fixed in the extended position by bolts 28.

The device works as follows.

The traverse 1 is brought to the re-laid pipe 13 using a pipelayer (not shown). When the pipelayer moves, the traverse 1 moves along the pipe 13 on the rollers 3.

The container 16 is introduced into the pipe 13, after which the pipe is fixed by the grippers 2, lowers on a traverse into a trench (not shown) and is brought to the previously laid pipe 8. In this case, the expansion beam 9 enters the pipe 8 until the plug 5 Children for the joint of pipes 8 and 13

Rotating the nut 27, move tgu 11 deep into the pipes 8 and 13 (to the left according to the drawing), turning the spacer beam 9 and fixing it and the rod 4 relative to the pipe 8 with the shoes 10, Pushing the fingers 12 out of the expanding element 6 of the plug 5 of the newly laid pipe 13, so that they go beyond the dimension of the pipe 13, and fix the fingers 12 with bolts 28. Rotate the nut 14 by the handles 15, while the newly laid pipe 13 is moved by the fingers 12, which receive movement from the nut 14 through the pressure element 6 to the side of the previously laid pipe 8. The pipes 8 and 13 are shrunk and docked.

The nut 14 and bolts 28 are loosened, fingers 12 are retracted into the pressure element 6, the nut 14 is rotated again, the pressure elements 6 and 7 are moved, and after the pressure element 7 is pressed into the nut 26, the plugs 5 will compress a test cavity 29 is formed between the inner surfaces of pipes 8 and 13, the outer surface of the container 16 and the plugs 5. Using the pump 22, liquid 25 is supplied from the tank 16 through pipelines -23 to the cavity 29, and air is removed through the air outlet 17 and the valve 18. After filling the cavity 29 with liquid 25 turns The screw 21 of the multiplier 20 creates test pressure in the cavity 29.

After testing, the reversing pump 22 pumps out the liquid 25 from the cavity 29 into the tank 16, cleaning the liquid 25 with filters 24 "Demon51

The device is manufactured, the nuts 27 and 14 are loosened. Then, by moving the pipelayer, the device is removed from the pipeline. For mounting and testing subsequent pipes, the cycle is repeated.

The effectiveness of the invention lies in expanding the operational capabilities due to the implementation of the fixing unit of the previously laid pipe, the feed mechanism and the pressure elements of the plugs driven by screw mechanisms on the rod and rod, respectively, having an autonomous test liquid supply system in the form of a liquid container, pump, multiplier and air release unit, i.e. there is no need for any additional mechanisms, except for the pipe layer.

Claims (1)

1. A device for mounting and testing bell-shaped pipelines containing a traverse, fixed on it clamps of pipes with rollers, pivotally connected at one end to the traverse rod with two plugs, push-in elements of the plugs, pipe fixation unit, butt 46 An assembly with thrust elements, a feed mechanism, characterized in that, in order to expand operational capabilities by providing work with various lifting mechanisms, the tube fixing unit is made in the form of an expansion beam with shoes pivotally mounted on the free end of the rod, and is parallel to rod and pivotally connected with the beam, the thrust elements of the docking station are made in the form of sliding fingers installed in the pressure element of the plug, the end of the rod associated with the cross-bar is threaded, and the feeding mechanism of the docking station is designed as a nut mounted on the threaded end of the rod and connected to the pressure element of the plug with the possibility of transmitting axial movement. 2, an apparatus according to claim 1, characterized in that it is provided with a cylindrical container with blind ends, suction and discharge connections, an air discharge unit with a ball valve and a pressure multiplier and a reversing pump connected to the container, the container is filled with liquid, and the rod and t ha placed inside the tank. 12 K UCCHG GHGH / Y // x // XXX // XX / / / / / h / X // X / XXX $ yS $ S & ZS ////// S // SS / S / SS //////// S /, t about P . fso