CN205226746U - Pipeline trapping device - Google Patents

Abstract

The utility model provides a pipeline trapping devices, include: the device comprises a first slip, a second slip and a fixing device arranged on the outer surface of the first slip and the outer surface of the second slip; the two ends of the first slip are provided with first connecting pieces, and the two ends of the second slip are provided with second connecting pieces matched with the first connecting pieces; the fixing device comprises at least one pair of connecting parts; the first slip and the second slip are both arranged on the outer surface of the pipeline and are butted through the first connecting piece and the second connecting piece to form a sealed hollow cylinder; each pair of connection portions of the securing device are connected by bolts to secure the first and second slips to the outer surface of the pipeline. The utility model provides a pipeline trapping device can simplify the trapping technology, improves trapping efficiency.

Description

Pipeline trapping device

technical field

The utility model relates to pipeline technology, in particular to a pipeline leakage repairing device.

Background technique

Pipelines are pipes connected to pumps, valves, or control systems that can convey liquids, gases, or solids in powder form. At present, most of the common pipelines on the market are metal pipelines, non-metal pipelines and composite pipelines.

Taking the glass steel pipe line in the non-metallic pipeline as an example, because the glass steel pipe line is easily affected by external forces during the use of the glass steel pipe line, the glass steel pipe line is easily perforated and leaked (referred to as: pipe leakage). At present, the common methods of repairing the leak of the glass steel pipe line are: First, evenly spread the leak-trapping material on the surface of the glass cloth, and wrap the glass cloth coated with the leak-trapping material around the leak of the FRP pipeline; secondly, install two semicircular pipeline leak-trap devices on the outer surface of the glass cloth, And use electric welding to weld the two ends of the two pipeline leakage repair devices respectively to fix the glass cloth so that the glass cloth can be tightly wound around the pipe leak of the glass steel pipe. However, when using the above-mentioned pipeline leak repairing device for leak repair, the leak repair process is cumbersome and the leak repair efficiency is low.

Therefore, the existing leak-trapping device for pipelines cannot meet the actual requirements of the leak-trapping device for pipelines in terms of leak-trapping technology and leak-trapping efficiency.

Utility model content

The utility model provides a pipeline leak repairing device, which is used to solve the problems in the prior art that when the existing pipeline leak repairing device is used for pipeline repair, the leak repairing process is cumbersome and the leak repairing efficiency is low.

The first aspect of the utility model provides a pipeline leakage repairing device, comprising: a first slip, a second slip, and a fixing device arranged on the outer surface of the first slip and the outer surface of the second slip; Wherein, both ends of the first slip are provided with a first connecting piece, and both ends of the second slip are provided with a second connecting piece matching the first connecting piece; the fixing device includes at least one pair of connecting pieces department;

Both the first slip and the second slip are arranged on the outer surface of the pipeline, and form a sealed hollow cylinder through the butt joint of the first connecting piece and the second connecting piece; Each pair of connecting parts is connected by bolts to fasten the first slip and the second slip to the outer surface of the pipeline.

As mentioned above, the fixing device includes an arc-shaped hoop, and a first fixing plate and a second fixing plate respectively arranged at both ends of the hoop; wherein, the first fixing plate and the second The fixing plate forms a pair of connecting parts;

The clamp is sleeved on the outer surface of the first slip and the outer surface of the second slip, and the first fixing plate and the second fixing plate are tightly connected by bolts.

As mentioned above, the first fixed plate and the second fixed plate are separated by a first preset distance.

As mentioned above, the fixing device includes a third fixing plate and a fourth fixing plate arranged at both ends of the first slip, and a fifth fixing plate and a sixth fixing plate arranged at both ends of the second slip; wherein , the third fixing plate and the fifth fixing plate form a pair of connecting portions, and the fourth fixing plate and the sixth fixing plate form a pair of connecting portions;

The third fixing plate and the fifth fixing plate are tightly connected by bolts, and the fourth fixing plate and the sixth fixing plate are tightly connected by bolts.

As mentioned above, the third fixed plate and the fifth fixed plate are separated by a second preset distance, and the fourth fixed plate and the sixth fixed plate are separated by the second preset distance.

As mentioned above, the first connecting part is a protrusion, and the second connecting part is a groove matched with the protrusion.

As mentioned above, the first connecting part is a saw-toothed protrusion, and the second connecting part is a saw-toothed groove matching the saw-toothed protrusion.

As mentioned above, both the inner surface of the first slip and the inner surface of the second slip are provided with sealing gaskets.

As mentioned above, both the first slip and the second slip are of semicircular arc structure.

As mentioned above, the first slip and the second slip are made of stainless steel

In the pipeline leakage repairing device provided by the utility model, a first connecting piece is arranged at both ends of the first slip, and a second connecting piece matching the first connecting piece is arranged at both ends of the second slip, so that the first slip After the shoe and the second slip are docked, the joint can be sealed directly through the first connecting piece and the second connecting piece, and at the same time, by setting the connection method on the outer surface of the first slip and the second slip as follows: The bolt-connected fixing device enables the first slip and the second slip to be fastened to the outer surface of the leak of the pipeline through bolts, and at the same time can improve the tightness of the joint between the first slip and the second slip , which simplifies the trapping process and improves the trapping efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of Embodiment 1 of the pipeline leakage repairing device provided by the utility model;

Fig. 2 is a structural schematic diagram of Embodiment 2 of the pipeline leakage trapping device provided by the present invention.

Explanation of reference signs:

1: first slip; 2: first slip;

3: Fixing device; 4: Pipeline;

11: first connecting piece; 21: second connecting piece;

31: connecting part; 32: clamp;

311: the first fixed plate; 312: the second fixed plate;

313: the third fixed plate; 314: the fourth fixed plate;

315: the fifth fixed plate; 316: the sixth fixed plate.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The existing pipeline leak trapping device is a slip with a semi-circular arc structure. When using this pipeline leak trapping device to trap pipeline leaks, it is necessary to install two such pipeline leak trapping devices at the pipe leak of the pipeline, and connect the two pipeline leak traps together. The two ends of the trapping device are butted with each other. In order to avoid leakage of the leak-trapping glue from the butt joint, it is also necessary to weld the butt joint by electric welding, so as to achieve the purpose of sealing the leak-trapping glue and fastening the pipeline leak-trapping device to the leak of the pipeline. Therefore, when using the existing pipeline leak trapping device to trap leaks in the pipeline, the leak trapping process is cumbersome and the leak trapping efficiency is low.

The pipeline leakage repairing device provided by the utility model aims to solve the technical problems in the prior art that when the existing pipeline leakage repairing device is used for pipeline leakage repairing, the leakage repairing process is cumbersome and the leakage repairing efficiency is low. Of course, the pipeline leakage repairing device provided by the utility model can also be used for docking pipelines, fixing pipelines and the like.

The technical scheme of the utility model is described in detail below with specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

Fig. 1 is a structural schematic diagram of Embodiment 1 of the pipeline leakage repairing device provided by the utility model. As shown in Fig. 1, the pipeline leakage repairing device includes: the first slip 1, the second slip 2 and the The outer surface and the fixing device 3 of the outer surface of the second slip 2; wherein, the two ends of the first slip 1 are provided with the first connecting piece 11, and the two ends of the second slip 2 are provided with the first connecting piece 11 Matching second connecting piece 21; the fixing device 3 includes at least one pair of connecting parts 31;

Both the first slip 1 and the second slip 2 are arranged on the outer surface of the pipeline 4, and form a sealed hollow cylinder through the butt joint of the first connecting piece 11 and the second connecting piece 21; each pair of connecting parts of the fixing device 3 31 are connected by bolts to fasten the first slip 1 and the second slip 2 on the outer surface of the pipeline 4 .

Specifically, the pipeline leakage repairing device provided by the utility model can be used to repair pipelines of any material, such as steel pipelines, glass steel pipelines, plastic pipelines and the like. Among them, the first slip 1 and the second slip 2 of the pipeline leakage repair device can be fastened to the pipe leak of the pipeline through the fixing device 3, so that the leakage repair glue located at the pipeline leakage repair can be tightly pasted on the pipe leak to realize The purpose of trapping pipeline leaks.

The first slip 1 and the second slip 2 of the above-mentioned pipeline leakage repairing device are used to wrap the leakage repairing glue arranged at the leakage repairing place of the pipeline 4, wherein, the first slip 1 and the second slip 2 can be any one that can be connected into a joint. The structure of the hollow cylinder, for example: the first slip 1 and the second slip 2 are both semi-circular arc structures, or the first slip 1 is a superior arc structure, and the second slip 2 is an inferior arc matching the superior arc. arc structure, or the first slip 1 is a inferior arc structure, and the second slip 2 is a superior arc structure matching the inferior arc, etc. Wherein, the above-mentioned first slip 1 and second slip 2 can be slips of any metal material, for example: stainless steel, aluminum alloy, copper, iron, etc., the height of the above-mentioned first slip 1 and second slip 2 The diameter of the cylinder formed after the first slip 1 and the second slip 2 are butted can be determined according to the outer diameter of the pipeline 4 to be repaired.

Both ends of the first slip 1 are provided with a first connecting piece 11, and both ends of the above-mentioned second slip 2 are provided with a second connecting piece 21, wherein the first slip 1 and the second slip 2 pass through the The first connecting piece 11 and the second connecting piece 21 are docked, and the joint is sealed through the first connecting piece 11 and the second connecting piece 21, so that after the first slip 1 and the second slip 2 are docked, A sealed hollow cylinder is formed to prevent leakage of the sealing glue wrapped in the first slip 1 and the second slip 2 . During specific implementation, the above-mentioned first connecting piece 11 and the second connecting piece 21 can be grooves and protrusions that match each other. Optionally, when the above-mentioned first connecting piece 11 is a groove, the above-mentioned second connecting piece 21 can be It is a protrusion matched with a groove, or, when the first connecting member 11 is a protrusion, the second connecting member 21 may be a groove matched with a protrusion. This embodiment does not limit the structure of the above-mentioned protrusions and grooves. Taking the above-mentioned first connector 11 as a protrusion and the second connector 21 as a groove matching the protrusion as an example, the above-mentioned first connector 11 can be a sawtooth Shaped protrusion, then the second connecting piece 21 can be a zigzag groove matching with the zigzag protrusion; the above-mentioned first connecting piece 11 can also be a rectangular protrusion, then the second connecting member 21 can be a matching rectangular protrusion rectangular groove; the above-mentioned first connecting piece 11 can also be a trapezoidal protrusion, then the second connecting piece 21 can be a trapezoidal groove matching with the trapezoidal protrusion, etc., wherein, what is shown in the above-mentioned Figure 1 is the first The connecting piece 11 is a rectangular protrusion, and the second connecting piece 21 is a pipeline leak trapping device such as a rectangular groove matching the rectangular protrusion.

The outer surface of the first slip 1 and the second slip 2 is provided with a fixing device 3, and the fixing device 3 is used to fasten the first slip 1 and the second slip 2 on the outer surface of the leak of the pipeline 4. Surface, so that the sealing glue wrapped by the first slip 1 and the second slip 2 can be tightly pasted on the leak of the pipeline 4, and at the same time, the joint of the first slip 1 and the second slip 2 can be further improved. Tightness, in order to achieve the purpose of trapping the leakage of pipeline 4. In actual implementation, the above-mentioned fixing device 3 can be any fixing device including at least one pair of connecting parts 31, wherein each pair of connecting parts 31 can be connected by bolts, so that the first slip 1 and the second slip 2 can be fastened On the outer surface of the leak of the pipeline 4 , that is, the fixing device 3 can fasten the first slip 1 and the second slip 2 to the outer surface of the leak of the pipeline 4 by means of bolt connection.

Taking the leak repairing of the glass steel pipe line as an example, the use process of the pipeline leak repair device provided in this embodiment is briefly described below. Before using the pipeline leak repair device, some preparatory work is required. These preparatory work can be Including: After folding the glass cloth used to apply the leak-trapping glue into double layers, apply the leak-trapping glue evenly on the surface of the glass cloth, and tightly wrap the glass cloth coated with the leak-trapping glue on the leak of the FRP pipeline. The specific use process of the pipeline leak trapping device provided in the embodiment is as follows:

The first slip 1 and the second slip 2 are arranged on the pipe leak of the glass steel pipe line (i.e. the pipeline 4) in a docking manner, that is, the first slip 1 and the second slip 2 are used to wrap and wrap the glass steel pipe line ( That is, the glass cloth at the leak of the pipeline 4), and connect the first slip 1 and the The joint of the second slip 2 is sealed so as to prevent the sealing glue applied on the surface of the glass cloth from leaking from the joint of the first slip 1 and the second slip 2 . At the same time, use bolts to fix and connect the connecting portion 31 of the fixing device 3 arranged on the outer surface of the first slip 1 and the second slip 2, so as to fasten the first slip 1 and the second slip 2 to the fiberglass steel pipe line. (i.e. pipeline 4) at the pipe leak, so that the leak-remedial glue wrapped by the first slip 1 and the second slip 2 can be tightly pasted on the pipe leak of the glass steel pipe line (i.e. pipeline 4), so as to realize the protection of the glass steel pipe line Leak repair at pipe leaks.

The existing pipeline leakage trapping is a semi-circular arc structure of the slips, and the two ends of the semi-circular arc structure of the slips are not provided with connectors. Therefore, when using this pipeline leakage trapping device to repair pipeline leaks, two After the two ends of the pipeline leakage repairing device are docked with each other, the joint needs to be sealed by electric welding, so as to avoid leakage of the leakage repairing glue from the joint, and to achieve the purpose of fastening the pipeline leakage repairing device to the leak of the pipeline, making the leakage repairing process cumbersome , the trapping efficiency is low. In the pipeline leakage repairing device provided by the utility model, the first connecting piece 11 is arranged at both ends of the first slip 1, and the second connecting piece matching the first connecting piece 11 is arranged at both ends of the second slip 2. 21, so that after the first slip 1 and the second slip 2 are docked, the joint can be directly sealed through the first connecting piece 11 and the second connecting piece 21, and at the same time, through the outer surface of the first slip 1 and the The outer surface of the second slip 2 is provided with a fixing device 3 connected by bolts, so that the first slip 1 and the second slip 2 can be fastened to the outer surface of the leak of the pipeline 4 through bolts, and at the same time The tightness of the butt joint between the first slip 1 and the second slip 2 can be improved, and the purpose of sealing and fastening is no longer achieved by means of electric welding, which simplifies the leakage repairing process and improves the leakage repairing efficiency.

In the pipeline leakage repairing device provided by the utility model, a first connecting piece is arranged at both ends of the first slip, and a second connecting piece matching the first connecting piece is arranged at both ends of the second slip, so that the first slip After the shoe and the second slip are docked, the joint can be sealed directly through the first connecting piece and the second connecting piece, and at the same time, by setting the connection method on the outer surface of the first slip and the second slip as follows: The bolt-connected fixing device enables the first slip and the second slip to be fastened to the outer surface of the leak of the pipeline through bolts, and at the same time can improve the tightness of the joint between the first slip and the second slip , which simplifies the trapping process and improves the trapping efficiency.

Further, continuing to refer to FIG. 1, as mentioned in the above embodiment, the above-mentioned fixing device 3 can be any fixing device including at least one pair of connecting parts 31, then in an implementation of the present utility model, the above-mentioned fixing device 3 can be It includes an arc-shaped hoop 32, and a first fixing plate 311 and a second fixing plate 312 respectively arranged at both ends of the hoop 32; wherein, the first fixing plate 311 and the second fixing plate 312 form a pair of connecting parts 31 ; Wherein, what is shown in above-mentioned Fig. 1 is the pipeline leak-remediating device taking this fixing device 3 as an example, as shown in Fig. 1, the clip 32 of this fixing device is set on the outer surface of the first slip 1 and the second The outer surface of the slip 2, the first fixing plate 311 and the second fixing plate 312 are tightly connected by bolts.

Specifically, the above-mentioned clip 32 can be any structural member made of metal, wherein, the size of the above-mentioned clip 32 can match the outer diameter of the cylinder formed by the docking of the first slip 1 and the second slip 2, so as to This allows the clamp 32 to be tightly sleeved on the outer surface of the first slip 1 and the outer surface of the second slip 2 . The two ends of the clamp 32 are respectively provided with a first fixing plate 311 and a second fixing plate 312, wherein, the first fixing plate 311 and the second fixing plate 312 can be respectively provided with through holes for passing bolts, so that the second A fixing plate 311 and a second fixing plate 312 can be tightly connected by bolts, so that the first slip 1 and the second slip 2 sleeved by the clamp 32 can be fastened to the leak of the pipeline 4 without further The first slip 1 and the second slip 2 are fastened to the leak of the pipeline 4 by means of electric welding, which simplifies the leak repair process and improves the leak repair efficiency. During specific implementation, the number of the above-mentioned fixing devices 3 can be determined according to the heights of the first slips 1 and the second slips 2 .

Optionally, the first fixing plate 311 and the second fixing plate 312 of the above-mentioned fixing device 3 may be separated by a first preset distance. Wherein, the first preset distance can be determined according to the material of the pipeline to be repaired. Through this setting method, the fastening force of the fixing device 3 can be improved, and the first slip 1 and the second slip 2 can be better fastened to the outer surface of the pipeline 4 at the leak, so as to further improve the fastening force of the second slip. The tightness of the joint between the first slip 1 and the second slip 2.

Fig. 2 is a structural schematic diagram of the second embodiment of the pipeline leakage repairing device provided by the utility model. As shown in Fig. 2, in another implementation mode of the utility model, the above-mentioned fixing device 3 may include The third fixed plate 313 and the fourth fixed plate 314 at the end, the fifth fixed plate 315 and the sixth fixed plate 316 arranged at both ends of the second slip 2; wherein, the third fixed plate 313 and the fifth fixed plate 315 form a pair The connecting part 31, the fourth fixing plate 314 and the sixth fixing plate 316 form a pair of connecting parts 31;

The third fixing plate 313 and the fifth fixing plate 315 are tightly connected by bolts, and the fourth fixing plate 314 and the sixth fixing plate 316 are tightly connected by bolts.

Specifically, in this embodiment, the above-mentioned fixing device 3 can be a fixing device integrated on the first slip 1 and the second slip 2, so as to reduce the number of parts of the pipeline leakage trapping device. At the same time, when using the fixing device 3 When repairing the leakage of the pipeline, it is not necessary to separately arrange the fixing device 3 on the outer surfaces of the first slip 1 and the second slip 2, which further simplifies the leak repairing process and improves the leak repairing efficiency. During specific implementation, the third fixing plate 313 and the fourth fixing plate 314 of the above-mentioned fixing device 3 can be respectively arranged on the two ends of the first slip 1 by welding, and the above-mentioned fifth fixing plate 315 and the sixth fixing plate 316 can be They are respectively arranged on both ends of the second slip 2 by means of welding, wherein the third fixing plate 313 and the fifth fixing plate 315 are provided with through holes corresponding to each other, so that the third fixing plate 313 and the fifth fixing plate 315 The fixing plates 315 can be tightly connected by bolts, so that the joints of the first slip 1 and the second slip 2 where the third fixing plate 313 and the fifth fixing plate 315 are located can be tightly connected. The fourth fixing plate 314 and the sixth fixing plate 316 are provided with through holes corresponding to each other, so that the fourth fixing plate 314 and the sixth fixing plate 316 can be tightly connected by bolts, so that the fourth fixing plate 314 The butt joints of the first slip 1 and the second slip 2 where the sixth fixing plate 316 is located can be closely connected. Through the above method, the first slip 1 and the second slip 2 can be fastened to the leak of the pipeline 4 without electric welding, which simplifies the leak repairing process and improves the leak repairing efficiency.

Optionally, the third fixing plate 313 and the fifth fixing plate 315 of the above-mentioned fixing device 3 may be separated by a second preset distance, and the fourth fixing plate 314 and the sixth fixing plate 316 may be separated by a second preset distance. Wherein, the second preset distance can be determined according to the material of the pipeline to be repaired. Through this setting method, the fastening force of the fixing device 3 can be improved, and the first slip 1 and the second slip 2 can be better fastened to the outer surface of the pipeline 4 at the leak, so as to further improve the fastening force of the second slip. The tightness of the joint between the first slip 1 and the second slip 2.

Further, on the basis of the above embodiment, the inner surface of the first slip 1 and the inner surface of the second slip 2 can both be provided with sealing gaskets, so as to prevent the first slip 1 and the second slip 2 from The wrapped leakage sealing glue leaks from the gap between the first slip 1 and the second slip 2 and the pipeline 4, which further improves the sealing performance of the pipeline leakage sealing device.

In the pipeline leakage repairing device provided by the utility model, a first connecting piece is arranged at both ends of the first slip, and a second connecting piece matching the first connecting piece is arranged at both ends of the second slip, so that the first slip After the shoe and the second slip are docked, the joint can be sealed directly through the first connecting piece and the second connecting piece, and at the same time, by setting the connection method on the outer surface of the first slip and the second slip as follows: The bolt-connected fixing device enables the first slip and the second slip to be fastened to the outer surface of the leak of the pipeline through bolts, and at the same time can improve the tightness of the joint between the first slip and the second slip , which simplifies the trapping process and improves the trapping efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (10)

1. a pipeline leakage-mending device, is characterized in that, comprising: the first slips, the second slips and be arranged on the fixing device of the outer surface of described first slips and the outer surface of described second slips; Wherein, the two ends of described first slips are provided with the first link, and the two ends of described second slips are provided with the second link mated with the first link; Described fixing device comprises at least one pair of joint;

Described first slips and described second slips are all arranged on the outer surface of pipeline, and dock the hollow cylinder of formation one sealing by described first link and described second link; Often pair of joint of described fixing device is bolted, described first slips and described second slips to be fastened on the outer surface of described pipeline.

2. pipeline leakage-mending device according to claim 1, is characterized in that, described fixing device comprises the clip of circular arc and is separately positioned on first fixed plate at two ends and second fixed plate of described clip; Wherein, described first fixed plate and described second fixed plate form a pair joint;

Described hoop sleeve is located at the outer surface of described first slips and the outer surface of described second slips, and described first fixed plate and described second fixed plate are by bolt compact siro spinning technology.

3. pipeline leakage-mending device according to claim 2, is characterized in that, described first fixed plate and described second fixed plate interval first predeterminable range.

4. pipeline leakage-mending device according to claim 1, is characterized in that, described fixing device comprises the 3rd fixed plate and the 4th fixed plate that are arranged on described first slips two ends, is arranged on the 5th fixed plate and the 6th fixed plate at described second slips two ends; Wherein, described 3rd fixed plate and described 5th fixed plate form a pair joint, and described 4th fixed plate and described 6th fixed plate form a pair joint;

Described 3rd fixed plate and described 5th fixed plate are by bolt compact siro spinning technology, and described 4th fixed plate and described 6th fixed plate are by bolt compact siro spinning technology.

5. pipeline leakage-mending device according to claim 4, is characterized in that, described 3rd fixed plate and described 5th fixed plate interval second predeterminable range, the second predeterminable range described in described 4th fixed plate and described 6th fixed plate interval.

6. the pipeline leakage-mending device according to any one of claim 1-5, is characterized in that, described first link is protruding, and described second link is the groove supporting with described projection.

7. pipeline leakage-mending device according to claim 6, is characterized in that, described first link is sawtooth projection, and described second link is the incised groove mated with sawtooth projection.

8. the pipeline leakage-mending device according to any one of claim 1-5, is characterized in that, the internal surface of described first slips and the internal surface of described second slips are provided with liner.

9. the pipeline leakage-mending device according to any one of claim 1-5, is characterized in that, described first slips and described second slips are semi-circle structure.

10. pipeline leakage-mending device according to claim 9, is characterized in that, described first slips and described second slips are stainless steel.