Device for trenchless pipeline laying by puncturing method

FIELD: building, particularly for laying pipelines, for constructing buried passages during pipeline laying, laying cable lines and power lines.

SUBSTANCE: device has hollow conical working tip connected with stem through hinge and through rotary support. Stem is secured in rotary supports to flange mounted on front end of pipeline in the line of puncture direction. Installed in pipeline to be laid is vibrator drive connected to stem. Device has cage connected to stem, vibrator forming circular vibrations and made as unbalance. Unbalance is formed as hollow cylinder sector arranged inside working tip on rotary supports and connected to cage. Device also includes feeding mechanism.

EFFECT: increased operational efficiency.

4 dwg

 

The invention relates to the construction, namely, devices intended for trenchless laying of pipelines by puncture, and can be used for a device hidden transitions in the construction of pipelines, underground cable lines and power lines.

A device for the trenchless laying of pipelines by puncture, containing a hollow work the tip of the conical shape, lay the pipe, the front in the direction of the puncture, the end of which has a shape corresponding to the shape of the working tip, and is located with a gap inside it, while at the top end of the handpiece from its inner side mounted hinge to connect with laid pipeline, vibrator, mounted in the working end by brackets, passing through slots in the wall of the underground pipe and the feeding mechanism [1].

Closest to the proposed to the technical essence and the achieved result is a device for the trenchless laying of pipelines by puncture, containing a hollow work the tip of the conical shape, connected through the hinge and prop rotation with the rod, mounted in the bearings of the rotation on the flange, which is mounted on the front in the direction of the puncture end of the laid pipe, the actuator is of ibrator, established in laying the pipeline and connected with the rod vibrator circular oscillation, made in the form of the rink, relying on the inner surface of the hollow working tip, drove connecting the axis of the rink with the rod, and a feeding mechanism [2].

Studies of the device [2] showed that a small diameter hollow work tip is not possible to place the ice vibrator circular oscillation, the mass needed to create the optimal parameters (disturbing force vibrations of the working tip. The increase in the mass of the rink due to its length leads to an increase in the length of the cylindrical (outside) part of the working tip, thus increasing the oscillating mass of the working tip and the soil resistance oscillations in cylindrical (outside) part of the tip that ultimately negates the effect of increasing the mass of the perturbing force) rink vibrator. Due to the fact that the vibrator circular oscillation does not provide optimal settings: low amplitude of oscillation of the working tip, reduces the impact on the soil, decreases the speed of the pipeline, increasing the force of the puncture.

The purpose of the invention is to increase the efficiency of the device. To achieve this goal vibrator circular oscillations of you who olden in the form of unbalance, having the form of a sector of a hollow cylinder mounted within the hollow of the working tip on poles of rotation and connected to the planet carrier.

Figure 1 shows a device for the trenchless laying of pipelines by puncture, General view; figure 2 is a top view; figure 3 is a section of the head portion of the device; figure 4 is a section a - a figure 3.

A device for the trenchless laying of pipeline puncture method includes laying the pipe 1, on the front in the direction of the puncture end of which is rigidly fixed to the flange 2, which supports the rotation of the rod 3 is 4. On the rod 4 on the pillars of rotation 5 has a hinge (ball bearing) 6 on which rests a hollow work the tip of the conical shape 7 and the leader of the 8. Inside the hollow of the working tip 7 on the pillars of rotation 9 is installed balance weight 10, which has the shape of a sector of a hollow cylinder, and through a slot on its inner side is connected to the planet carrier 11 mounted on the rod 4, the clutch 12 is connected with an electric motor 13 mounted in laying the pipeline 1. The seal 14 prevents the ingress of soil inside the working tip 7.

The feed mechanism consists of a guide frame 15 with 16 horizontal and 17 vertical guide rollers, rolling 18 and 19 fixed traverse, rope 20 and the traction winch 21. Supply the e motor 13 of the drive vibrator through a cable 22.

For the implementation of the puncture included traction winch 21 and the electric motor 13 of the drive vibrator that through the sleeve 12 causes the rotation of the rod 4 with the planet carrier 11, which through the slot engage in joint rotation of the balance weight 10. Produced by the rotation unbalance of the perturbing force through the support of rotation 9 is transmitted to the working tip 7, which together with the unbalance performs a circular oscillations with a frequency equal to the frequency of rotation of the carrier 11, perpendicular to the direction of penetration. A semi-cylindrical groove on the inner side of unbalance and flexible connection through the slot with the planet carrier shall not prevent circular oscillations of unbalance 10 relative to the stationary rotating rod 4. The center of oscillation of the working tip 7, i.e. the point at which the amplitude is equal to zero, coincides with the reference hinge 6. Off from him, the amplitude increases and reaches its maximum at its cylindrical part. The working tip 7, objetivas on the surface of the well, causes fluctuations of the soil in the radial direction, which helps reduce friction and clutch in it and, as a consequence, reduce the resistance and increase the speed of the pipeline 1.

The implementation of the vibrator circular oscillation in the form of unbalance 10 having the form of a sector of a hollow cylinder that is installed inside p is the logo of the working tip 7 on the pillars of rotation 9 and connected to the planet carrier 11, maximizes its mass relative to the inner diameter of the hollow working tip, resulting in a ceteris paribus increases the energy saturation (disturbing force of the vibrator, and hence the intensity of the working tip on the ground, which will reduce drag and increase the speed of the pipeline. In addition, the installation of unbalance within the hollow of the working tip on the supports rotation reduces energy consumption of the drive of the vibrator, because the resistance in the support bearings unbalance significantly less resistance to rolling skating rink on the inner surface of the hollow working tip, and increases the service life of the device, because the unbalance is not longer and not wears hollow working tip.

Sources of information

1. USSR author's certificate No. 787575, MCL. E 02 F 5/18, 1980.

2. Patent of the Russian Federation No. 2190728, MCL. E 02 F 5/18, 2002.

Device for trenchless pipeline installation method puncture containing hollow work the tip of the conical shape, connected through the hinge and prop rotation with the rod, mounted in the bearings of the rotation on the flange, which is mounted on the front in the direction of the puncture end of the laid pipe, vibrator circular oscillation, the drive of the vibrator, set the run in laying the pipeline and connected with the rod, drove attached to the rod, and the feed mechanism, characterized in that the circular vibrator vibrations made in the form of unbalance, having the form of a sector of a hollow cylinder mounted within the hollow of the working tip on poles of rotation and connected to the planet carrier.



 

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