Clamp-brace for securing rubber collar on pipeline of crossing

FIELD: machine building.

SUBSTANCE: clamp-brace is equipped with clip wherein there are tied ends of clamped element with its main length. The clip consists of a plate with flanges bent under straight angle and of orifices wherein there is inserted a bracket of semi-circle shape with thread on ends, which is screwed with nuts. Depending on diametre of the pipeline the clamp brace is made either double- or three-section. The double-section clamp-brace is used for securing rubber collars on pipelines of 427-1220 mm diametre; also sections are of equal length. The three-section clamp-brace is used for securing rubber collars on pipelines of 1221-1720 mm diametre and more; also sections are of equal length.

EFFECT: reliable sealing of inter-pipe space for pipelines, convenient packing and shipping.

9 dwg

 

The invention relates to the field of engineering, in particular to a device for fastening a rubber cuffs on pipelines to ensure reliable sealing of the annulus between the main pipeline and the casing (case) crossings of trunk pipelines under water barriers, as well as through roads and Railways, laid out in a protective sleeve (case).

Known clamp for fastening a rubber cuff at the transition of the pipeline, intended for use in mechanical engineering (see RU patent No. 2229652, F16L 33/08)containing rolled in the ring crimping element. Crimping element is made of annealed steel of circular cross section with a diameter of 4-7 mm

On the blooming element welded lugs with holes representing steel angles (2525 mm One stop welded flush on one end crimp element, and a parallel shift along the length of the fence is welded to the bracket. The second emphasis is welded on the blooming element, at a distance of 50-300 mm from its end. The disadvantage of the described construction of the clip for attaching the rubber seal on the pipeline is the lack of versatility. It is used for fastening only for one specific size cuff. For each new cuff of other sizes must be manufactured by the flax another clip.

In addition, a significant drawback is the packaging and transportation to the destination. The clamp has a large size in length, especially for large diameters 427-1720 mm or more.

Currently, to reduce the volume occupied by the clamp-plate, before packing his crimping element representing a round Bicycle with a diameter of 3-6 mm bend twice as large diameters three times, Packed and transported to the destination. Before mounting the crimping element extends, resulting in bending points and roshiba destroyed his anti-corrosion coating. In addition, the bending points formed irregularities, bumps. In the field these disadvantages it is difficult to correct, and as a result of this crimping element clip-ties in places irregularities insufficiently tightly compresses the cuff, and, as a consequence, leaking annulus between the main pipeline and the protective cover (case).

The task of the invention is to develop a universal clamps-ties for fastening the rubber seals on the pipes 427-1720 mm or more. In addition, if necessary, you can change large diameter to small by moving the clamps on compressed element clamps-couplers.

This will involve the creation of a convenient and reliable construction Homa is a-tie with minimum dimensions, excluding damage corrosion-resistant coating when flexion and extension crimp element clamps-ties when packaging and transporting them to the destination for fixing the rubber seals on the pipe passage with a diameter 427-1720 mm or more.

The essence of the invention is that the clamp-plate is made two-section or three-section, and each section contains two supports with upper and lower openings for the passage of clamping bolts and crimp element, the main emphasis from its inner side welded rails of all rental and crimping element is connected with supports, both guides are parallel and are located auxiliary fence with a possibility of free movement at the time of mounting the rubber seals on the pipe passage with a diameter 427-1720 mm

Two-piece clamp-plate is made of four stops, representing the two main and two auxiliary. The main emphasis is on the inner side welded two guides from round rental. The length of the guides is equal to the length of the clamping bolt. On rails moves the auxiliary lugs attached to them crimp elements, made for example of steel cable in the plastic insulation diameter of 2-7 mm, the noise at the bottom from Artie stops, where is their contraction at the time of fixing the rubber seal on the pipe by tightening a bolt with a nut.

The three clamp-plate is made of six similar stops, representing the three main and three auxiliary.

On the inner surface of the auxiliary lock fixed by welding clamp, made in the form of a square or round rolled a size equal to the distance between the rails. The latch prevents the displacement of the auxiliary focus relative to the rails when driving on them at the time of fixing the rubber seal on the pipe.

The included two-piece clamp-screed includes four clamp crimp fastening element, in three to six clips. The upper part of the clamp is made in the form of a steel plate with two holes and bent at a right angle flanges at a distance of 10-15 mm between them.

The lower part of the clamp is made in the form of a cramp semicircular shape, the ends of which are threaded. When assembling the bracket through the holes of the plate and tightening the nuts that clamp the ends of the crimp element between the plate and the bracket.

For fastening the rubber seals on the pipes 427-1220 mm is used, the clamp-plate, made of two sections of equal length.

For fastening the rubber seals on Truboprovodnaya 1221-1720 mm is used, the clamp-plate, made of three sections, and the section is also made of the same length.

Mount the rubber seals on the pipes 427-1720 mm and more than two-section and three-section clamps-ties carried out by tightening the four or six stops in two or three places clamping bolts and nuts rubber seals on the pipeline.

The invention is illustrated by drawings, where:

- figure 1 shows a rubber sleeve, a sealing annulus diameter pipeline 427-1720 mm casing (case) with clamps-couplers;

- figure 2 - a section a-a figure 1;

- 3 - section b-1;

- figure 4 shows the clamp-plate assembled with the compression element;

- figure 5 is bottom view of figure 4;

- figure 6 - clamp clamp-tie;

- figure 7 is a side view of Fig.6;

on Fig is a top view of Fig.6;

- figure 9 is a top plate of the clamp-tie in a perspective view.

For fastening rubber cuff 1 (1, 2, 3) on the pipeline 2 (1, 2) made two-piece clamp-plate 3 (Fig 1, 2) or three clamp-plate 4 (figure 1, 3), and each section contains two stops 5, 6 (figure 4, 5). The stop 5 is the main and the stop 6 - auxiliary (figure 4, 5)which, when the Assembly is mounted on two parallel spaced rails 7 (figure 4, 5) of round rolled, welded to the main oporu, with the possibility of free movement of the auxiliary stop 6 at the time of fixing the rubber seal on the pipe diameter 427-1720 mm or more. In blocks with holes top and bottom. The lower hole is used to skip one end crimp element 8 (figure 4, 5, 6, 7, 8) and fasten it with the clamp 9 (3, 4, 5, 6, 7, 8) together with the second end of the crimp element.

The top hole is intended for the passage of the clamping bolt 10 (Fig 3, 4) and tightening lugs 5, 6 (figure 4, 5) nut 11 (3, 4) when fixing the rubber seal 1 (1, 2, 3) on the pipeline 2 (1, 2) and the casing (case) 12 (1, 3) compression element 8 (4, 5, 6, 7, 8).

Auxiliary stop 6 (figure 4, 5), as principal, made of steel area, is moved along the guides 7 (figure 4, 5)whose length is equal to the length of the clamping bolt 10 (Fig 3, 4). In the upper part of the stop 6 (figure 4, 5) made a hole for the passage of the clamping bolt 10 (Fig 3, 4), during displacement crimp element 8 (figure 4, 5, 6, 7, 8) at the time of attaching a rubber cuff 1 (1,2, 3).

On bottom of the stop 6 (figure 4, 5) made the hole for fixing the crimp element 8 (4, 5, 6, 7, 8). On the inner surface of the auxiliary lock 6 (figure 4, 5) by welding performed the latch 13 (figure 5) in the form of a square or round rolled, which is strictly captures the movement stops when tightening the clamping bolt 1 (Fig 3, 4) centerline to the main focus 5 (figure 4, 5), the width of the latch 13 (figure 5) is equal to the distance between the guide 7 (figure 4, 5).

Crimp element 8 (figure 4, 5, 6, 7, 8) made for example of steel cable with a diameter of 2-7 mm in the plastic insulation and two clamps 9 (3, 4, 5, 6, 7, 8), designed to secure the ends of the crimp element in the main and auxiliary blocks.

Clip 9 (3, 4, 5, 6, 7, 8) consists of lower and upper parts. The upper part is a steel plate 14 (6, 7, 9) with two holes and bent at a right angle flanges at a distance of 10-15 mm between them. The lower part of the clamp is made in the form of a bracket 15 (6, 7) semicircular shape, the ends of which is a threaded nut 16 (6).

Fastening cuffs 1 (1, 2, 3) on the pipeline 2 (1, 2) and the casing (case) 12 (1, 3) is as follows.

At the bottom of the hole emphasis 5 (figure 4, 5) pass the end of the crimp element 8 (figure 4, 5, 6, 7, 8) installed length, bend it with the second end and put the clamp 9 (3, 4, 5, 6, 7, 8). To this end crimp element 8 (figure 4, 5, 6, 7, 8) with its second end is placed in the lower part of the clamp 9 (3, 4, 5, 6, 7, 8), made in the form of brackets 15 (6, 7) semicircular shape. The bracket 15 (6, 7) through the holes of the plate 14 (6, 7, 9) and tightening the nuts 16 (6), clamp crimp element 8 (figure 4, 5, 6, 7, 8) between the GRT is by the side of the plate 14 (6, 7, 9). Then the emphasis 5 (figure 4, 5) with crimp element and a clamp mounted on the side mounted rubber seal on the tubing and the casing (case). Then in the bottom hole of the auxiliary stop 6 (figure 4, 5) pass the other end of the crimp element and set the stop 6 (figure 4, 5) on the guide 7 (figure 4, 5) emphasis 5 (figure 4, 5) next crimp element. The clamp-plate line around the perimeter of the rubber cuff and stretch it so that the stop 6 (figure 4, 5) was established at the beginning of the guide 7 (figure 4, 5) stop 5 (figure 4, 5) next crimp element. Crimping element is bent with its second end and install the clip.

Then in the top hole lugs 5, 6 (figure 4, 5) install the bolt 10 (Fig 3, 4) and tightening the nut 11 (3, 4), bring the lugs to each other. As a result of this crimping elements are tightened, biting into the rubber sleeve and securely seals the space between the tubing and casing (case).

For fastening the rubber seals on the pipes 427-1220 mm is used, the clamp-plate, made of two sections of equal length.

For fastening the rubber seals on the pipes 1221-1720 mm is used, the clamp-plate, made of three sections, and the section is also made of the same length.

Mount the rubber seals on the pipe is the wires with a diameter of 427-1720 mm and more than two-section and three-section clamps-ties carried out by tightening the four or six stops in two or three places clamping bolts and nuts rubber seals on the pipeline.

The present invention ,the clamp-plate is designed for fastening the rubber seals on the pipeline crossing, laid under water barriers, road and Railways. The clamp-plate and two-three rugged design provides guaranteed sealing annulus transition due to the crimping element made of wire rope, main and auxiliary stops. Sealing between the tubing and casing (case) a rubber cuff diameter 427-1720 mm or more, and also allows the clamp-tie in a convenient compact packaging when transporting them to the destination that will reduce construction time and increase the life of the pipeline by eliminating moisture annulus transition.

The clamp-plate for fastening a rubber cuff at the pipeline crossing, including two stops with the upper holes for the passage of clamping bolts, one of which is primary, and the second auxiliary representing steel area, crimping element connected with supports, characterized in that it is made two-section or three-section, and each section contains two supports with upper and lower openings for the passage of the clamping bolt and the crimping of the second element, the main emphasis from its inner side welded rails of all rental and crimping element is connected with supports, both guides are parallel and are located auxiliary fence with a possibility of free movement at the time of mounting the rubber seals on the pipe passage with a diameter 427-1720 mm.



 

Same patents:

FIELD: construction industry.

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