CN205173851U - Rapid rush -repair device for high pressure resistance pipeline - Google Patents

Abstract

The utility model discloses a rapid repair device for high-pressure pipelines, which comprises two semicircular upper shells and a lower shell which can be butted into tubular shapes; Both are equipped with strip-shaped gaskets; the inner walls of the upper and lower casings in the axial direction are provided with arc-shaped sealing rings; A side sealing device, the side sealing device includes two semicircular upper end covers, a lower end cover and an annular sealing ring that can be butted into a tube; the upper end cover and the lower end cover clamp the annular sealing ring in the middle, It is connected with the axial end surface of the lower casing of the upper casing. The utility model is provided with a side sealing device at both ends of the axial direction, which has a better sealing function, can reduce leakage, can withstand greater pressure, improve service life, and reduce maintenance, repair and management costs.

Description

A rapid repair device for anti-high pressure pipeline

technical field

The utility model relates to the field of pipeline sealing fittings, in particular to a rapid repair device for high-pressure pipelines.

Background technique

In people's life, pipes are used in many fields. Pipes are mainly used to transport water or other liquids. When the pipes are stepped on, pressed by heavy objects, impacted by strong pressure or severe cold weather in winter, it is easy to cause pipe bursts or water leakage etc. When the water pipe bursts or leaks, a repair device will be used to block and install it. The existing repair device includes two semicircular upper and lower casings that can be connected into a tubular shape; the upper and lower casings The body is detachably connected by bolts, and a strip-shaped gasket is provided between the butt joint surfaces of the upper shell and the lower shell; the strip-shaped gasket is used for sealing the butt joint surfaces of the upper shell and the lower shell, Arc sealing rings are provided on the inner walls of both axial ends of the upper casing and the lower casing; During the use of the emergency repair device, when the arc seal rings are installed at both ends of the upper shell and the lower shell, it is easy to be vibrated. The two ends of the axial direction are likely to cause poor sealing, cannot withstand strong pressure, and are prone to leakage.

Utility model content

In order to solve the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a rapid repair device for high-pressure pipelines. A side sealing device is arranged at each axial end of the rapid repair device, which can improve the sealing performance. better.

In order to achieve the above purpose, the utility model provides a rapid repair device for high-pressure pipelines, which includes two semicircular upper shells and lower shells that can be butted into tubes; the two upper shells and the lower shells are There are strip-shaped gaskets between the side butt joint surfaces; arc-shaped sealing rings are provided on the inner walls of the axial ends of the upper shell and the lower shell; it is characterized in that: the axial ends of the pipeline emergency repair device Two side sealing devices are symmetrically arranged, and the side sealing devices include two semicircular upper end caps, lower end caps and annular sealing rings that can be butted into tubular shapes; the upper end caps and lower end caps clamp the annular sealing rings After being connected in the middle, they are respectively connected with the axial end surfaces of the upper and lower casings.

With the above scheme, the side sealing device, through the one side end of the annular seal ring, is tightly sealed with the axial end faces of the upper casing and the lower casing respectively, and the other end surface is respectively tightly connected with the pressing surface of the end cover and the lower end cover. Seal, and the inner wall of the annular sealing ring is tightly sealed with the outer wall of the pipeline. A side seal device is installed on each axial end of the quick repair device, and a layer of sealing protection is added to each of the two axial ends of the quick repair device. The sealing performance is improved, which can reduce the risk of leakage, and the effective contact section of the annular sealing ring can be widened according to the needs, and the close contact area can be improved, so as to achieve the sealing effect.

As a further improvement, the butt surfaces of both sides of the upper shell and the lower shell are respectively provided with first flanges extending outward, and strip-shaped sealing grooves are provided on the butt joint surfaces of the first flanges, so that The strip-shaped sealing gasket is embedded in the strip-shaped sealing groove, and arc-shaped sealing grooves are provided on the inner walls of the axial ends of the upper and lower casings, and the arc-shaped sealing ring is embedded in the In the arc seal groove. It can be positioned and installed, which is convenient for operation and improves efficiency. At the same time, it will not loosen after embedding, and the sealing effect is better.

As a further improvement, the butt surfaces of both sides of the upper end cover and the lower end cover are provided with outwardly extending second flange sides; the radial directions of the upper end cover and the lower end cover are respectively provided with outwardly extending semicircular pressure A tightening flange, the compression flange is fixedly connected to the axial end surfaces of the upper casing and the lower casing respectively in the circumferential direction through a plurality of bolts. The fixed connection of the upper end cover and the lower end cover can be facilitated, and the detachable connection is adopted, which is convenient for disassembly and assembly.

As a further improvement, an annular step matching the annular sealing ring is provided on the pressing surface of the upper end cover and the lower end cover, and the annular sealing ring is composed of two semi-annular sealing rings, and the annular sealing ring One end is embedded in the annular step, and the other end is pressed against the axial end surfaces of the upper casing and the lower casing respectively. The ring-shaped step is used to facilitate the positioning and installation of the ring seal. The ring seal ring is composed of two semi-ring seal rings, which can be conveniently socketed on the pipeline, which can improve the installation efficiency and reduce the friction damage to the ring seal ring during installation.

Preferably, the section of the annular sealing ring is rectangular or right-angled trapezoidal, and the right-angled end of the annular sealing ring faces the axial end surfaces of the casing and the lower casing. The right-angled end of the annular sealing ring can completely abut against the axial end faces of the casing and the lower casing, and can ensure that the inner wall of the annular sealing ring is tightly sealed with the outer wall of the pipeline, so that the sealing performance is better.

The beneficial effects of the utility model are: the utility model has the advantages of simple structure, reasonable structure, convenient installation, good sealing performance, reduced leakage, ability to withstand greater pressure, and improved service life.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a partial enlarged view of A in Fig. 1;

Fig. 3 is the first structural diagram of the annular sealing ring in the utility model;

Fig. 4 is the second structure diagram of the annular sealing ring in the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Figure 1-2, a rapid repair device for high-pressure pipelines includes two semicircular upper shells 1a and lower shells 1b that can be butted into tubes; the upper shell 1a and the lower shell 1b The butt joint surfaces on both sides of the two sides are provided with outwardly extending first flange sides 11 respectively, strip-shaped sealing grooves 12 are provided on the butt joint surfaces of the first flange sides 11, and the upper housing 1a and the lower housing 1b A strip-shaped gasket 3 is provided between the butt joint surfaces on both sides; the strip-shaped gasket 3 is embedded in the strip-shaped sealing groove 12, and the shown first flange edge 11 is provided with a connecting hole, The connection hole connects the upper casing 1a and the lower casing 1b through the connection hole. Specifically, bolts and other structures can be used for detachable connection. Arc-shaped seal rings 4 are provided; arc-shaped seal grooves 13 are provided on the inner walls of both axial ends of the upper housing 1a and the lower housing 1b, and the arc-shaped seal rings 4 are embedded in the arc-shaped seals. In slot 13.

It can be seen from 1-2 that in the utility model, there are also two side sealing devices symmetrically arranged at both axial ends of the pipeline emergency repair device. Circular upper end cover 2a, lower end cover 2b and annular sealing ring 5; said upper end cover 2a and lower end cover 2b clamp said annular sealing ring 5 in the middle and connect with said upper casing 1 and lower casing 2 respectively Axial end face connection. The two sides of the upper end cover 2a and the lower end cover 2b are respectively provided with a second flange edge 22 extending outward; the second flange edge 22 is provided with a plurality of connecting holes in the upper direction, and the upper end cover 2a and the radial direction of the lower end cover 2b are respectively provided with outwardly extending semicircular compression flanges 21, and the compression flanges 21 are respectively connected to the axial direction of the upper casing 1 and the lower casing 2 through a plurality of bolts 6. The end faces are fixedly connected in the circumferential direction, and the plurality of bolts 6 may specifically be 3-12, and the pressing surface of the upper end cover 2a and the lower end cover 2b is provided with an annular step 23 that matches the annular sealing ring 5, so The annular sealing ring 5 is composed of two semi-annular sealing rings, one end of the annular sealing ring 5 is embedded in the annular step 23, and the other end is connected to the upper casing 1a and the lower casing 1b respectively. The axial end face is pressed against.

Specifically, as shown in FIG. 3 , the section of the annular sealing ring 5 is rectangular; as shown in FIG. The axial end faces of the casing 1a and the lower casing 1b.

When in use, as shown in FIG. 1 , during maintenance, it is sufficient to wrap the anti-high pressure pipeline rapid repair device circumferentially on the leak on the pipeline 10 .

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (5)

1. A quick repair device for high-pressure pipelines, comprising two semicircular upper casings (1a) and lower casings (1b) that can be butted into tubular; said upper casing (1a) and lower casing ( Strip gaskets (3) are provided between the two sides of the butt joint surfaces of 1b); arc-shaped sealing rings ( 4) It is characterized in that two side sealing devices are symmetrically arranged at both axial ends of the pipeline emergency repair device, and the side sealing devices include two semicircular upper end covers (2a) and lower end covers that can be butted into a tubular shape (2b) and annular sealing ring (5); the upper end cover (2a) and the lower end cover (2b) clamp the annular sealing ring (5) in the middle and connect with the upper casing (1) and the lower casing respectively The axial end faces of the casing (2) are connected. 2. A rapid repair device for high-pressure pipelines according to claim 1, characterized in that: the butt surfaces on both sides of the upper casing (1a) and the lower casing (1b) are respectively provided with a first outwardly extending A flange side (11), a strip-shaped sealing groove (12) is provided on the butt surface of the first flange side (11), and the strip-shaped sealing gasket (3) is embedded in the strip-shaped sealing groove (12), arc-shaped seal grooves (13) are provided on the inner walls of both axial ends of the upper shell (1a) and the lower shell (1b), and the arc-shaped seal ring (4) is embedded in the In the arc-shaped sealing groove (13). 3. A rapid repair device for high-pressure pipelines according to claim 1, characterized in that: the butt surfaces on both sides of the upper end cover (2a) and the lower end cover (2b) are respectively provided with second flanges extending outwards. The flange (22); the radial direction of the upper end cover (2a) and the lower end cover (2b) is respectively provided with a semicircular compression flange (21) extending outwards, and the compression flange (21) passes through multiple Two bolts (6) are respectively fixedly connected with the axial end surfaces of the upper casing (1) and the lower casing (2) in the circumferential direction. 4. A rapid repair device for high-pressure pipelines according to any one of claims 1-3, characterized in that: the pressing surface of the upper end cover (2a) and the lower end cover (2b) is provided with the An annular step (23) matching the annular sealing ring (5), the annular sealing ring (5) is composed of two semi-annular sealing rings, one end of the annular sealing ring (5) is embedded in the annular step ( 23), the other end is pressed against the axial end faces of the upper shell (1a) and the lower shell (1b) respectively. 5. A rapid repair device for high-pressure pipelines according to claim 4, characterized in that: the cross-section of the annular sealing ring (5) is rectangular or right-angled trapezoidal, and the right-angled end of the annular sealing ring (5) faces The axial end faces of the casing (1a) and the lower casing (1b).