RU191672U1 - ANCHOR DEVICE FOR FIXING PIPELINE - Google Patents

Abstract

The utility model relates to construction and can be used in the construction, overhaul and reconstruction of pipelines laid in swampy and periodically irrigated areas to secure pipelines against ascent.

The technical result of the invention is to simplify and increase the efficiency of installation of the device, the proposed method of securing the pipeline allows the installed anchor device to be constantly in working condition, regardless of the degree of flooding of the pipeline route. The sagging of the anchor rods is eliminated, impact loads on the anchor during pipeline movements during operation are eliminated, the risk of damage to the pipeline insulation with horizontal pipe displacements is eliminated.

The specified technical result is achieved due to the fact that the anchor device consists of a pair of screw anchors screwed on the sides of the pipeline, flexible anchor rods attached to the ends of the anchors and connected above the pipeline with a buckle, a support node in the form of a half-clamp mounted on a fixed pipeline under the anchor rods, the support node is equipped with elastic elements in the form of leaf springs, creating a preliminary tension of the ends of the flexible anchor rods fixed with a buckle and stabilizing the load and an anchoring device that arise when shifting of the pipeline during use.

The specified technical result is also achieved in private forms of the implementation of the utility model due to the fact that:

- the anchor rod is attached to the head of the anchor by means of a ring or a carbine, or a hook, or a loop;

- buckle design allows you to adjust the working length of the anchor rods;

- ends of leaf springs in contact with anchor rods equipped with rollers or rollers;

- The support unit is equipped with a casing that protects the elastic elements from the effects of backfill soil.

New in the claimed device is that the support node located between the anchor rods and the upper generatrix of the pipe is equipped with elastic elements in the form of leaf springs, which create a preliminary tension of the ends of the flexible anchor rods fixed with a buckle and stabilize the loads on the anchor device that arise during pipeline movements during operation , buckle design allows you to adjust the working length of the anchor rods.

In FIG. 1 shows a General view of the claimed device.

The device consists of a pair of screw anchors screwed into the soil of the base of the trench (8) with heads (1) and flexible anchor rods (2) connected to each other over the pipeline (7) by a buckle (3). Anchor rods are located on the support unit (4) mounted on the pipeline (7). The support node (4) is equipped with elastic elements (5), which are leaf springs. The elastic elements (5) abutting the ends (6) in the anchor rods (2) create a preliminary tension and stabilize the tearing force on the anchor pair, which arises under the action of the buoyancy force and soil heaving during freezing.

Description

FIELD OF TECHNOLOGY

The utility model relates to construction and can be used in the construction, overhaul and reconstruction of pipelines laid in swampy and periodically irrigated areas to secure pipelines against ascent.

BACKGROUND

The prior art anchor devices for securing a pipeline with rigid anchor rods of the invention (RU 2172443 IPC F16L 1/06 04/26/2000), (RU 2217646 IPC F16L 1/06, 01/16/2002), (RU 2406002, IPC F16L 1/06 July 28, 2009). The disadvantage of the above devices is the probability of damage to the pipeline insulation by a rigid rod rod during operation of the pipeline. In the prior art, anchor devices with flexible anchor rods are known (see publication of US patent application US 2002136606 A1, E02F 5/10, 09.26.2002), utility models (RU 134 274, IPC F16L 1/06, 05/23/2013), (RU 156 850, IPC F16L 1/06, 04/23/2015). The disadvantage of the above anchor devices is the extension and subsequent sagging of the anchor rods during operation of the pipeline, with seasonal freezing and thawing of the soil of the trench. An attempt to eliminate this drawback was made in the device described in the invention (RU 2217646 IPC F16L 1/06, 01/16/2002), where it is proposed to use compensators for vertical displacements in the form of an elastic element located between the ball joint at the bottom of the trench and the power belt. A disadvantage of the known device is the difficulty of installing and adjusting the compensators, since they are located at the bottom of the trench, which in the conditions of marshy soils is partially flooded.

DISCLOSURE OF A USEFUL MODEL

The objective of the claimed utility model is the creation of an anchor device that allows you to secure the pipeline from the ascent with little material and time and keeping it at the design level with a given effort during operation of the pipeline.

The technical result of the utility model is to simplify and increase the efficiency of installation of the device, the proposed method of securing the pipeline allows the installed anchor device to be constantly in working condition, regardless of the degree of flooding of the pipeline route. The sagging of the anchor rods is eliminated, impact loads on the anchor during pipeline movements during operation are eliminated, the risk of damage to the pipeline insulation by the holding mechanism during horizontal and lateral pipe displacements is eliminated.

The specified technical result is achieved due to the fact that the anchor device consists of a pair of screw anchors screwed into the ground on the sides of the pipeline, flexible anchor rods attached to the ends of the anchors and interconnected above the pipeline with a buckle, a support node in the form of a half-clamp located (installed) on the fixed pipeline between the anchor rods and the upper generatrix of the pipe (under the anchor rods), the support unit is equipped with elastic elements in the form of leaf springs, creating a pre the tension of the ends of the flexible anchor rods fixed with a buckle and stabilizing the loads on the anchor device arising during pipeline movements during operation.

The specified technical result is also achieved in private forms of the implementation of the utility model due to the fact that:

- the fact that the anchor rod is attached to the head of the anchor by means of a ring or a carabiner, or a hook, or a loop.

- buckle design allows you to adjust the working length of the anchor rods.

- ends of leaf springs in contact with anchor rods provided with rollers or rollers.

- the support node is equipped with a casing that protects the elastic elements from direct exposure to the backfill soil.

New in the claimed device is that the support node located between the anchor rods and the upper generatrix of the pipe is equipped with elastic elements in the form of leaf springs, which create a preliminary tension of the ends of the flexible anchor rods fixed with a buckle and stabilize the loads on the anchor device that arise during pipeline movements during operation , buckle design allows you to adjust the working length of the anchor rods.

SHORT DESCRIPTION OF SKETCHES

The utility model is illustrated by figures 1-4.

In FIG. 1 shows a General view of the claimed device.

In FIG. 2 and FIG. 3 shows the support assembly of the anchor device.

In FIG. 4 shows a device for screwing anchors into the ground.

The device consists of a pair of screw anchors screwed into the soil of the base of the trench (8) with heads (1) and flexible anchor rods (2) connected to each other over the pipeline (7) by a buckle (3). Anchor rods are located on the support unit (4) mounted on the pipeline (7). The support node (4) is equipped with elastic elements (5) representing leaf springs. The elastic elements (5) abutting the ends (6) against the anchor rods (2) create a preliminary tension and stabilize the tearing force on the anchor pair, which arises under the action of buoyancy force and soil heaving during freezing.

IMPLEMENTATION OF A USEFUL MODEL

The process of fixing the pipeline using the proposed device consists of the following steps:

- screwing anchors into the soil of the base of the trench;

- the connection of the upper ends of the anchor rods above the support node buckle;

- tension of anchor rods with rated force;

- fixation of anchor rods in tension;

- backfilling of the trench.

The heads of the anchors (1) are made hollow. A finger (9) is placed in the head cavity, to which one end of the flexible anchor rod (2) is attached. To screw the anchor into the soil of the trench, a tubular rod (11) is used, which is connected to the head of the anchor via a detachable connection (10). Before connecting the rod and the tip, the flexible rod (2) when folded is tucked into the cavity of the rod and with the free end (13) attached to the pin (12), a carbine or hook located inside the rod. The device thus assembled is connected to the hydraulic rotator (15) and the anchor is screwed into the ground. When the head reaches the design depth, the rotation stops, the rod rotates a quarter of a turn in the opposite direction, which leads to the opening of the connection (10), and is removed from the ground. When removing the rod, the flexible rod extends, its upper end is removed from the soil together with the rod, disconnected from the rod and attached to the fixing buckle (3) located above the support unit (4) installed on the pipeline (7), while the flexible rod (2 ) is located above the stops (6) of the elastic elements (5). Another anchor is screwed in the same way.

The ends of the anchor rods connected by buckle are tightened with the required force and are fixed in tension.

The trench is backfilled with soil.

Claims (5)

1. Anchor device, consisting of a pair of screw anchors screwed into the ground on the sides of the pipeline, flexible anchor rods attached to the ends of the anchors and connected to each other above the pipeline using a buckle, a support node in the form of a half-clamp located on the fixed pipeline between the anchor rods and the upper generatrix of the pipe, characterized in that the support node is equipped with elastic elements in the form of leaf springs, creating a preliminary tension of the flexible anchor rods and stabilizing the load on the anchor trinity arising during pipeline movements during operation. 2. Anchor device according to claim 1, characterized in that the anchor rod is attached to the head of the anchor by means of a ring or carbine, or hook, or loop. 3. Anchor device according to claim 1, characterized in that the buckle design allows you to adjust the working length of the anchor rods. 4. Anchor device according to claim 1, characterized in that the ends of the leaf springs in contact with the anchor rods are provided with rollers or rollers. 5. Anchor device according to claim 1, characterized in that the support unit is equipped with a casing that protects the elastic elements from the effects of backfill soil.

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