CN221723710U - A pipeline repair device with double rubber strip seal - Google Patents

Abstract

The utility model relates to the technical field of pipeline emergency repair, and specifically discloses a pipeline emergency repair device sealed with double rubber strips, which can be used to repair pipe bursts or leaks at the connection of a socket cement pipe or flange; it includes an upper pipe body, a lower pipe body that cooperates with the upper pipe body and forms a cavity, and connecting bolts for connecting the upper pipe body and the lower pipe body; the upper pipe body and the lower pipe body have the same structure; the cavity includes two groups of small columnar cavities with the same structure and a cylindrical structure, and a large columnar cavity that is arranged between the two groups of small columnar cavities and is cylindrical; the diameter of the small columnar cavity is smaller than the diameter of the large columnar cavity; the two groups of small columnar cavities and the large columnar cavity are connected and coaxially arranged. The utility model is sleeved on the pipe burst or leak at the connection of a socket cement pipe or flange, and cooperates with double rubber strips to achieve sealing to prevent water from flowing out from the contact surface between the lower connecting ear plate and the upper connecting ear plate; it has good durability and stability; it can effectively realize rapid repairs, and the installation is convenient and efficient; it greatly improves the maintenance efficiency and reduces the waste of water resources.

Description

A pipeline repair device with double rubber strip seal

Technical Field

The utility model relates to the technical field of pipeline emergency repair, and more specifically, to a pipeline emergency repair device with double rubber strip seals.

Background Art

Pipelines are as important to the production and life of modern society as the blood vessels of the human body. They are widely used in water, oil, coal gas/natural gas, sewage treatment and other fields. During the use of pipelines, they may burst or leak due to environmental influences, geological changes and external forces. Pipeline repairers are devices that repair damaged parts of pipelines. The repair process is completed when the medium inside the pipeline is transported normally.

The prior art often uses a pipeline repair device for pipeline repair, but it is impossible to perform pressure repair work when a pipe burst or leakage occurs at a socket cement pipe interface or a flange connection.

Pipeline repair work has high requirements for the installation convenience and reliability of seals. Therefore, it is necessary to provide a pipeline repair device that can cope with socket cement pipes or flange connections and meet pipeline sealing requirements.

Utility Model Content

The technical problem to be solved by the utility model is to provide a double-strip sealed pipeline repair device; by being sleeved on the burst or leaking part of the socket cement pipe or flange connection, it can effectively realize rapid repair, and the installation is convenient and efficient; the maintenance efficiency is greatly improved, and the waste of water resources is reduced;

The solution adopted by the utility model to solve the technical problem is:

A double-strip sealed pipeline repair device, for burst or leakage at the socket cement pipe or flange connection; comprising an upper pipe body, a lower pipe body that cooperates with the upper pipe body and forms a cavity, and connecting bolts for connecting the upper pipe body and the lower pipe body; the upper pipe body and the lower pipe body have the same structure;

The cavity comprises two groups of small columnar cavities with the same cylindrical structure, and a large columnar cavity disposed between the two groups of small columnar cavities and in a cylindrical shape; the diameter of the small columnar cavity is smaller than the diameter of the large columnar cavity;

The two groups of small column cavities and the large column cavity are connected and coaxially arranged.

In some possible implementations,

The upper tube body comprises two groups of semicircular arc-shaped steel sheets, a steel sheet two disposed between the two groups of steel sheets and connected to the two groups of steel sheets, and two groups of upper connecting ear plates disposed in parallel and connected to the steel sheet one and the steel sheet two respectively;

The first steel sheet and the second steel sheet are coaxially arranged, and the inner diameter of the first steel sheet is smaller than the inner diameter of the second steel sheet.

In some possible implementations,

The lower tube body comprises two groups of semicircular steel sheets three, a steel sheet four arranged between the two groups of steel sheets three and connected to the two groups of steel sheets one, and two groups of lower connecting ear plates arranged in parallel and connected to the steel sheets three and four respectively;

The steel sheet three and the steel sheet four are coaxially arranged, and the inner diameter of the steel sheet three is smaller than the inner diameter of the steel sheet four;

The steel sheet three has the same structural size as the steel sheet one and forms a small column cavity; the steel sheet four has the same structural size as the steel sheet two and forms a large column cavity.

In some possible implementations,

An upper threaded hole used in conjunction with a connecting bolt is arranged on the upper connecting ear plate; and a lower threaded hole corresponding to the upper threaded hole is arranged on the lower connecting ear plate.

In some possible implementations,

Grooves are respectively arranged on the sides of the upper connecting ear plates and the lower connecting ear plates close to each other, and the grooves on each group of upper connecting ear plates are staggered with the grooves on the corresponding lower connecting ear plates;

A rubber strip is installed in the groove.

In some possible implementations,

An upper connecting plate is arranged between the steel plate 1 and the steel plate 2; a lower connecting plate is arranged between the steel plate 3 and the steel plate 4; the upper connecting plate and the lower connecting plate are arranged correspondingly and cooperate to form a circular ring;

The outer side surface of the upper connecting plate is coplanar with the outer side surface of the second steel sheet, and the inner side surface thereof is coplanar with the inner side surface of one side of the steel sheet;

The outer side surface of the lower connecting plate is coplanar with the outer side surface of the steel sheet four, and the inner side surface thereof is coplanar with the inner side surface of the steel sheet three.

In some possible implementations,

The upper connecting ear plate includes two sets of plates 1 arranged corresponding to the steel sheet 1 and used to connect the steel sheet 1, and a plate 2 arranged between the two sets of plates 1; a U-shaped groove is arranged on the inner side of the plate 2, and the steel sheet 2 is connected to the bottom of the U-shaped groove; the U-shaped groove is arranged on one side of the two sets of plates 2 close to each other;

The upper connecting piece is arranged between the second steel piece and the inner side surface of the U-shaped groove.

In some possible implementations,

The upper connecting ear plate and the lower connecting ear plate have the same structure.

In some possible implementations,

An upper reinforcing rib for respectively connecting the upper connecting ear plate and the first steel sheet, and the upper connecting ear plate and the second steel sheet is arranged on a side of the upper connecting ear plate away from the lower connecting ear plate.

In some possible implementations,

A lower reinforcing rib for respectively connecting the lower connecting ear plate and the steel sheet three, and the lower connecting ear plate and the steel sheet four is arranged on the side of the lower connecting ear plate away from the upper connecting ear plate.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model forms a whole through the cooperation of the upper pipe body and the lower pipe body and is connected by connecting bolts, and is sleeved on the burst pipe or leakage place at the socket cement pipe or flange connection. The inner side of the small column cavity is sealed and connected with the two sides of the burst pipe or leakage place, and the large column cavity is located on the outer side of the burst pipe or leakage place to wrap the burst pipe or leakage place; rapid maintenance is achieved, and the installation is convenient and efficient; the maintenance efficiency is greatly improved, and the waste of water resources is reduced;

The utility model has the advantages of simple structure and strong practicability.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Figure 2 is a schematic structural diagram of the upper tube body of the utility model;

Figure 3 is a schematic diagram of the structure of the lower tube body of the utility model;

Figure 4 is a schematic diagram of the structure of the upper connecting ear plate of the utility model;

Fig. 5 is a side view of the utility model;

Fig. 6 is a cross-sectional view of the utility model;

FIG7 is a schematic diagram of the structure of the utility model applied to a flange connection;

FIG8 is a schematic structural diagram of the middle rubber strip, the upper connecting ear plate, and the lower connecting ear plate of the utility model;

Among them: 1. upper tube body; 11. steel sheet one; 12. steel sheet two; 13. upper connecting ear plate; 131. upper threaded hole; 132. plate one; 133. plate two; 134. groove; 135. U-shaped groove; 14. upper reinforcing rib; 15. upper connecting plate; 2. lower tube body; 21. steel sheet three; 22. steel sheet four; 23. lower connecting ear plate; 231. lower threaded hole; 24. lower reinforcing rib; 25. lower connecting plate; 3. connecting bolt; 10. cavity; 101. small column cavity; 102. large column cavity.

DETAILED DESCRIPTION

In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. The "first", "second" and similar words mentioned in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, "one" or "one" and other similar words do not indicate a quantity restriction, but indicate the existence of at least one. In the implementation of this application, "and/or" describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B can indicate: A exists alone, A and B exist at the same time, and B exists alone. In the description of the embodiments of this application, unless otherwise specified, the meaning of "multiple" refers to two or more. For example, multiple positioning columns refer to two or more positioning columns. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

The utility model is described in detail below.

As shown in Figure 1 to Figure 7:

A double-strip sealed pipeline repair device comprises an upper tube body 1, a lower tube body 2 which cooperates with the upper tube body 1 and forms a cavity 10, and a connecting bolt 3 for connecting the upper tube body 1 and the lower tube body 2; the upper tube body 1 and the lower tube body 2 have the same structure; the upper tube body 1 and the lower tube body 2 are symmetrically arranged;

The cavity 10 includes two groups of small columnar cavities 102 of the same cylindrical structure, and a large columnar cavity 101 disposed between the two groups of small columnar cavities 102 and in a cylindrical shape; the diameter of the small columnar cavity 102 is smaller than the diameter of the large columnar cavity 101;

The two groups of small column cavities 102 and large column cavities 101 are connected and coaxially arranged;

During emergency repair, the upper tube body 1 and the lower tube body 2 are first installed, and then the two are connected to form a whole by connecting bolts 3; the inner side of the small column cavity 102 and the outer side of the pipeline are filled with sealing material to seal them;

The small column cavity 102 formed by the utility model will be located on both sides of the socket cement pipe or flange connection, and the large column cavity 101 will be wrapped around the outside of the burst pipe or leakage, so that the water flowing out of the burst pipe or leakage can only be in the gap formed by the large column cavity 101 and the pipeline, thereby achieving rapid maintenance, avoiding continuous water seepage, and achieving plugging.

In some possible implementations, in order to effectively seal the burst or leakage of the pipeline through the cooperation between the upper pipe body 1 and the lower pipe body 2;

The upper tube body 1 comprises two groups of semicircular steel sheets 11, a second steel sheet 12 disposed between the two groups of steel sheets 11 and connected to the two groups of steel sheets 11, and two groups of upper connecting ear plates 13 disposed in parallel and connected to the first steel sheet 11 and the second steel sheet 12 respectively; the two groups of upper connecting ear plates 13 are on the same plane;

The steel sheet 1 11 and the steel sheet 2 12 are coaxially arranged and the inner diameter of the steel sheet 1 11 is smaller than the inner diameter of the steel sheet 2 12 .

In some possible implementations, the upper tube body 1 and the lower tube body 2 have the same structure and the same size;

The lower tube body 2 includes two groups of semicircular steel sheets 3 21, a steel sheet 4 22 disposed between the two groups of steel sheets 3 21 and connected to the two groups of steel sheets 1 11, and two groups of lower connecting ear plates 23 disposed in parallel and connected to the steel sheets 3 21 and the steel sheets 4 22, respectively, and the two groups of lower connecting ear plates 23 are on the same plane;

The structural dimensions of the steel sheet 3 21 and the steel sheet 1 11 are completely the same, the structural dimensions of the steel sheet 4 22 and the steel sheet 2 12 are completely the same; the structural dimensions of the upper connecting ear plate 13 and the lower connecting ear plate 23 are completely the same;

The steel sheet three 21 and the steel sheet four 22 are coaxially arranged and the inner diameter of the steel sheet three 21 is smaller than the inner diameter of the steel sheet four 22;

The steel sheet three 21 has the same structural dimensions as the steel sheet one 11 and forms a small column cavity 102 ; the steel sheet four 22 has the same structural dimensions as the steel sheet two 12 and forms a large column cavity 101 .

The inner side surface of the steel sheet three 21 cooperates with the inner side surface of the steel sheet one 11 and is connected through the upper connecting ear plate 13 and the lower connecting ear plate 23 to form a small column cavity 102. The steel sheet four 22 cooperates with the inner side surface of the steel sheet two 12 and is connected through the upper connecting ear plate 13 and the lower connecting ear plate 23 to form a large column cavity 101. The large column cavity 101 is a group and is located between the two groups of small column cavities 102; the large column cavity 101 is coaxially connected with the small column cavity 102; during emergency repairs, the two groups of small column cavities 102 are sleeved on both sides of the pipe burst or leakage, and the large column cavity 101 is sleeved on the outside of the pipe burst or leakage, and the gap between the inner side surface of the small column cavity 102 and the pipe is sealed by a sealant; the water seeping out of the pipe burst or leakage will accumulate in the gap formed by the inner side surface of the large column cavity 101 and the outer side surface of the pipe to prevent continuous water leakage;

In some possible implementations, in order to effectively achieve the connection between the upper tube body 1 and the lower tube body 2, a cavity 10 is formed and sleeved on the outside of the pipe;

The upper connecting ear plate 13 is provided with an upper threaded hole 131 used in conjunction with the connecting bolt 3; the lower connecting ear plate 23 is provided with a lower threaded hole 231 corresponding to the upper threaded hole 131;

In some possible implementations, in order to prevent the water accumulated in the gap from leaking out from the connection between the upper tube body 1 and the lower tube body 2, thereby failing to achieve the purpose of emergency repair;

As shown in FIG8 , grooves 134 are respectively provided on the sides of the upper connecting ear plates 13 and the lower connecting ear plates 13 close to each other, and the grooves 134 on each group of upper connecting ear plates 13 are staggered with the grooves 134 on the corresponding lower connecting ear plates 23;

A rubber strip 4 is installed in the groove 134, thereby realizing double rubber strip sealing between the upper connecting ear plate 13 and the lower connecting ear plate 23 on the same side;

Furthermore, the groove 134 for installing the rubber strip 4 will be arranged along the axial direction of the cavity 10;

There are four groups of rubber strips 4, which are respectively arranged corresponding to the grooves 134 in the two groups of lower connecting ear plates 23 and the two groups of upper connecting ear plates 13 and installed in the grooves 134 to prevent water from flowing out from the contact surface between the lower connecting ear plates 23 and the upper connecting ear plates 13; it has good durability and stability;

The rubber strip 4 can achieve elastic deformation, and the rubber strip 4 arranged in the groove 134 of the upper connecting ear plate 13 will fit with the side of the lower connecting ear plate 23 close to the upper connecting ear plate 13, thereby avoiding leakage at this position;

In some possible implementations, in order to effectively realize the connection between the steel sheet 1 11 and the steel sheet 2 12 , the steel sheet 3 21 and the steel sheet 4 22 are connected, so that the utility model can form a complete whole;

An upper connecting piece 15 is provided between the steel sheet 1 11 and the steel sheet 2 12; a lower connecting piece 25 is provided between the steel sheet 3 21 and the steel sheet 4 22; the upper connecting piece 15 and the lower connecting piece 25 are provided correspondingly and cooperate to form a ring;

The outer side surface of the upper connecting plate 15 is coplanar with the outer side surface of the second steel plate 12, and the inner side surface thereof is coplanar with the inner side surface of the first steel plate 11;

The outer side surface of the lower connecting piece 25 is coplanar with the outer side surface of the steel sheet 22, and the inner side surface thereof is coplanar with the inner side surface of the steel sheet 3 21;

The upper connecting piece 15 and the lower connecting piece 25 have the same structural dimensions and are semicircular; after installation, the upper connecting piece 15 and the corresponding lower connecting piece 25 will form a circular ring structure, wherein the outer diameter of the circular ring is consistent with the outer diameter of the steel sheet 2 12 and the steel sheet 4 22, and the inner diameter of the circular ring is consistent with the inner diameter of the steel sheet 1 11 and the steel sheet 3 21;

In some possible implementations, in order to effectively realize the installation of the steel sheet 11 and the steel sheet 2 12 through the upper connecting ear plate 13, and realize the installation of the steel sheet 3 21 and the steel sheet 4 22 through the lower connecting ear plate 23;

The upper connecting ear plate 13 includes two sets of plates 132 corresponding to the steel sheet 11 and used to connect the steel sheet 11, and a plate 2 133 arranged between the two sets of plates 132; a U-shaped groove 135 is arranged on the inner side of the plate 2 133, and the steel sheet 12 is connected to the bottom of the U-shaped groove 135; the U-shaped groove 135 is arranged on the side where the two sets of plates 133 are close to each other;

The upper connecting piece 15 is disposed between the second steel piece 12 and the inner side surface of the U-shaped groove 135;

The upper connecting ear plate 13 and the lower connecting ear plate 23 have the same structure;

The upper connecting ear plates 13 are divided into two groups, and the U-shaped groove 135 arranged on the second plate 133 is located on the side where the two groups of upper connecting ear plates 13 are close to each other; similarly, the U-shaped groove 135 on the lower connecting ear plate 23 also adopts this arrangement, so that the steel sheet 11 and the steel sheet 3 21 can cooperate to form a small column cavity 102, and the steel sheet 2 12 and the steel sheet 4 22 can cooperate to form a large column cavity 101;

In some possible implementations, in order to effectively reinforce the connection between the steel sheet 1 11, the steel sheet 2 12, the steel sheet 3 21, the steel sheet 4 22 and the upper connecting ear plate 13 or the lower connecting ear plate 23;

An upper reinforcing rib 14 for connecting the upper connecting ear plate 13 and the steel sheet 1 11 , and the upper connecting ear plate 13 and the steel sheet 2 12 is provided on a side of the upper connecting ear plate 13 away from the lower connecting ear plate 23 .

A lower reinforcing rib 24 for connecting the lower connecting ear plate 23 and the steel sheet three 21 , the lower connecting ear plate 23 and the steel sheet four 22 is provided on the side of the lower connecting ear plate 23 away from the upper connecting ear plate 13 .

The present invention is not limited to the above-mentioned specific implementation modes, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims (10)

1. A double-strip sealed pipeline repair device, characterized in that it comprises an upper tube body, a lower tube body that cooperates with the upper tube body and forms a cavity, and connecting bolts for connecting the upper tube body and the lower tube body; the upper tube body and the lower tube body have the same structure; The cavity comprises two groups of small columnar cavities with the same cylindrical structure, and a large columnar cavity disposed between the two groups of small columnar cavities and in a cylindrical shape; the diameter of the small columnar cavity is smaller than the diameter of the large columnar cavity; The two groups of small column cavities and the large column cavity are connected and coaxially arranged. 2. A double-strip sealed pipeline repair device according to claim 1, characterized in that the upper pipe body comprises two groups of semicircular arc-shaped steel sheets 1, a steel sheet 2 arranged between the two groups of steel sheets 1 and connected to the two groups of steel sheets 1, and two groups of upper connecting ear plates arranged in parallel and connected to the steel sheet 1 and the steel sheet 2 respectively; The first steel sheet and the second steel sheet are coaxially arranged, and the inner diameter of the first steel sheet is smaller than the inner diameter of the second steel sheet. 3. A double-strip sealed pipeline repair device according to claim 2, characterized in that the lower pipe body comprises two groups of semicircular steel sheets three, a steel sheet four arranged between the two groups of steel sheets three and connected to the two groups of steel sheets one, and two groups of lower connecting ear plates arranged in parallel and connected to the steel sheet three and the steel sheet four respectively; The steel sheet three and the steel sheet four are coaxially arranged, and the inner diameter of the steel sheet three is smaller than the inner diameter of the steel sheet four; The steel sheet three has the same structural size as the steel sheet one and forms a small column cavity; the steel sheet four has the same structural size as the steel sheet two and forms a large column cavity. 4. A double-strip sealed pipeline repair device according to claim 3, characterized in that an upper threaded hole used in conjunction with a connecting bolt is provided on the upper connecting ear plate; and a lower threaded hole corresponding to the upper threaded hole is provided on the lower connecting ear plate. 5. A double-strip sealed pipeline repair device according to claim 3, characterized in that grooves are respectively provided on the sides of the upper connecting ear plates and the lower connecting ear plates close to each other, and the grooves on each group of upper connecting ear plates are staggered with the grooves on the corresponding lower connecting ear plates; A rubber strip is installed in the groove. 6. A double-strip sealed pipeline repair device according to claim 3, characterized in that an upper connecting piece is arranged between the steel sheet 1 and the steel sheet 2; a lower connecting piece is arranged between the steel sheet 3 and the steel sheet 4; the upper connecting piece and the lower connecting piece are arranged correspondingly and cooperate to form a circular ring; The outer side surface of the upper connecting plate is coplanar with the outer side surface of the second steel sheet, and the inner side surface thereof is coplanar with the inner side surface of one side of the steel sheet; The outer side surface of the lower connecting plate is coplanar with the outer side surface of the steel sheet four, and the inner side surface thereof is coplanar with the inner side surface of the steel sheet three. 7. A double-strip sealed pipeline repair device according to claim 6, characterized in that the upper connecting ear plate comprises two groups of plates 1 arranged corresponding to the steel sheet 1 and used to connect the steel sheet 1, and a plate 2 arranged between the two groups of plates 1; a U-shaped groove is arranged on the inner side of the plate 2, and the steel sheet 2 is connected to the bottom of the U-shaped groove; the U-shaped groove is arranged on the side where the two groups of plates 2 are close to each other; The upper connecting piece is arranged between the second steel piece and the inner side surface of the U-shaped groove. 8. A double-strip sealed pipeline repair device according to claim 7, characterized in that the upper connecting ear plate and the lower connecting ear plate have the same structure. 9. A double-strip sealed pipeline repair device according to claim 3, characterized in that an upper reinforcing rib for connecting the upper connecting ear plate and steel sheet one, and the upper connecting ear plate and steel sheet two, respectively, is provided on the side of the upper connecting ear plate away from the lower connecting ear plate. 10. A double-strip sealed pipeline repair device according to claim 9, characterized in that a lower reinforcing rib for connecting the lower connecting ear plate and steel sheet three, and the lower connecting ear plate and steel sheet four, respectively, is provided on the side of the lower connecting ear plate away from the upper connecting ear plate.