CN112253890A - Pipeline reconfiguration sealing protection cover structure - Google Patents
Pipeline reconfiguration sealing protection cover structure Download PDFInfo
- Publication number
- CN112253890A CN112253890A CN202010824061.5A CN202010824061A CN112253890A CN 112253890 A CN112253890 A CN 112253890A CN 202010824061 A CN202010824061 A CN 202010824061A CN 112253890 A CN112253890 A CN 112253890A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- protection cover
- sealing
- sealing protection
- reconstruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
Abstract
The invention relates to a pipeline reconstruction sealing protection cover structure, which is characterized in that: the pipeline reconstruction sealing protection cover structure is arranged at the fracture part of a single pipeline or the connection part of a plurality of pipelines; the method is characterized in that: the device comprises at least two shell structures, wherein the two shell structures comprise an upper shell of a pipeline reconstruction sealing protection cover and a lower shell of the pipeline reconstruction sealing protection cover; the pipeline is wrapped at the outer side of the pipeline by adopting the pipeline reconstruction sealing protection cover at the pipeline joint; even if the pipeline is in a leakage state, the leakage stoppage can be completed without power failure and shutdown; the shell is provided with a pressure relief hole, the pressure relief hole is opened during plugging, and the pressure relief hole is plugged after the plugging glue is cured, so that plugging under pressure can be realized; in addition, the plugging glue is only arranged at the connecting gap of the shell, and the bolt is not sealed, so that the plugging glue is convenient to remove at the later stage, and the sealing protective cover is reconstructed to be reused.
Description
Technical Field
The invention relates to the technical field of pipeline leakage stoppage, in particular to a pipeline reconstruction sealing protection cover structure.
Background
A general medium pipeline for electric power is used, and sulfur hexafluoride or transformer oil is generally used for flowing in the medium pipeline; the plugging connection position of the pipeline and the plugging position of the end part of the pipeline need to be sealed; however, after long-time use, the sealing ring is easy to age, or sometimes the sealing performance of the sealing element is poor, so that leakage is easy to cause, the common method is to wrap the sealing glue on the whole sealing part, the wrapping and sealing way cannot complete colloid sealing when gas leakage occurs, and the sealing can generate gas pockets during leakage, so that the sealing effect is not ideal; in addition, the sealant is directly wrapped on the plug in a full-sealing mode, even directly wraps the bolt on the plug, so that subsequent reutilization is poor, and the later cleaning work is not facilitated.
Disclosure of Invention
The invention aims to provide a pipeline reconstruction sealing protection cover structure, which can solve the problems of leakage of a general medium pipeline for electric power and incapability of plugging under a non-stop pressure state.
In order to solve the technical problems, the technical scheme of the invention is as follows: a pipeline reconstruction sealing protection cover structure is arranged at a single pipeline fracture position or a joint of a plurality of pipelines; the innovation points are as follows: the device comprises at least two shell structures, wherein the two shell structures comprise an upper shell of a pipeline reconstruction sealing protection cover and a lower shell of the pipeline reconstruction sealing protection cover;
the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover are both provided with a concave cavity structure for accommodating pipeline connection, and flanges for pipeline connection can be placed in the concave cavity structures; at least one end face of the upper shell of the pipeline reconstruction sealing protection cover and at least one end face of the lower shell of the pipeline reconstruction sealing protection cover are provided with semi-cylindrical notches, the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover are buckled to form a cavity for containing a pipeline connecting flange, and the semi-cylindrical notches are buckled to form a cylindrical through hole for containing a pipeline to penetrate through the pipeline reconstruction sealing protection cover;
a plurality of bolt holes are formed in the buckling connection position of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and the upper shell and the lower shell are locked through the bolts; at least two sealing grooves are formed at the buckling connection position of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and sealing rubber strips are arranged in the sealing grooves;
and an annular sealing rubber sheet is arranged at the cylindrical through hole of the pipeline reconstruction sealing protection cover.
Furthermore, the joint of the upper shell of the pipeline reconstruction sealing protective cover and the lower shell of the pipeline reconstruction sealing protective cover is provided with a sealing ring.
Further, a pressure relief hole is formed in the upper shell of the pipeline reconstruction sealing protection cover or the lower shell of the pipeline reconstruction sealing protection cover, an internal thread is formed in the inner wall of the pressure relief hole, and the pressure relief hole is embedded into a locking plug through a bolt with a sealing ring; when the pipeline is internally filled with gas, the pressure relief hole is formed in the upper shell of the pipeline reconstruction sealing protection cover, and when the pipeline is internally filled with liquid, the pressure relief hole is formed in the lower shell of the pipeline reconstruction sealing protection cover.
Furthermore, a blocking glue is arranged at a buckling connection gap between the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover; the outer profile cross section of the upper shell of the pipeline reconstruction sealing protection cover and the outer profile cross section of the lower shell of the pipeline reconstruction sealing protection cover are of L-shaped structures, and the thickness of a flange surface is increased.
The invention has the advantages that:
1) the pipeline is wrapped at the outer side of the pipeline by adopting the pipeline reconstruction sealing protection cover at the pipeline joint; even if the pipeline is in a leakage state, the leakage stoppage can be completed without power failure and shutdown; the shell is provided with a pressure relief hole, the pressure relief hole is opened during plugging, and the pressure relief hole is plugged after the plugging glue is cured, so that plugging under pressure can be realized; in addition, the plugging glue is only arranged at the connecting gap of the shell, and the bolt is not sealed, so that the plugging glue is convenient to remove at the later stage, and the sealing protective cover is reconstructed to be reused.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic perspective view of a reconfigurable sealing and protecting cover for a pipeline according to the present invention.
Fig. 2 is a partial structural schematic view of a pipeline reconstruction sealing protection cover structure of the invention.
Fig. 3 is a schematic perspective view of a second reconfigurable sealing boot of the present invention.
FIG. 4 is a second partial structural view of a reconfigurable sealing boot structure for pipelines according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 and 2: a pipeline reconstruction sealing protection cover structure is characterized in that a pipeline reconstruction sealing protection cover is arranged at the joint of the end parts of a single pipeline; the pipeline reconstruction sealing protection cover comprises two shell structures, wherein the two shell structures are a pipeline reconstruction sealing protection cover upper shell 1 and a pipeline reconstruction sealing protection cover lower shell 2.
The upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover are both provided with a cavity structure for accommodating pipeline connection, and flanges for pipeline connection can be placed in the cavity structure; a semi-cylindrical notch is formed in one end face of the upper shell 1 of the pipeline reconstruction sealing protection cover and one end face of the lower shell 2 of the pipeline reconstruction sealing protection cover, a cavity for containing a pipeline connecting flange is formed inside the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover in a buckled mode, and a cylindrical through hole 3 for containing a pipeline penetrating through the pipeline reconstruction sealing protection cover is formed in the buckled mode of the semi-cylindrical notch.
A plurality of bolt holes are arranged at the buckling connection part of the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover, and the upper shell and the lower shell are locked through the bolts; at least two sealing grooves 4 are arranged at the buckling connection part of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and sealing rubber strips are arranged in the sealing grooves 4;
an annular sealing rubber sheet is arranged at the cylindrical through hole 3 of the pipeline reconstruction sealing protection cover.
And sealing rings are arranged at the joint of the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover, which is buckled by bolts.
A pressure relief hole 5 is formed in the upper shell 1 of the pipeline reconstruction sealing protection cover, an internal thread is formed in the inner wall of the pressure relief hole 5, and the pressure relief hole is embedded into a locking plug through a bolt with a sealing ring; when the pipeline is internally filled with gas, the pressure relief hole is formed in the upper shell of the pipeline reconstruction sealing protection cover, and when the pipeline is internally filled with liquid, the pressure relief hole is formed in the lower shell of the pipeline reconstruction sealing protection cover.
A sealing glue is arranged at the buckling connection gap between the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover; the outer profile cross section of the upper shell of the pipeline reconstruction sealing protection cover and the outer profile cross section of the lower shell of the pipeline reconstruction sealing protection cover are of L-shaped structures, and the thickness of a flange surface is increased.
Example 2:
as shown in fig. 3 and 4: a pipeline reconstruction sealing protection cover structure is characterized in that a pipeline reconstruction sealing protection cover is arranged at the joint of two pipeline flanges; the pipeline reconstruction sealing protection cover comprises two shell structures, wherein the two shell structures are a pipeline reconstruction sealing protection cover upper shell 1 and a pipeline reconstruction sealing protection cover lower shell 2.
The upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover are both provided with a cavity structure for accommodating pipeline connection, and flanges for pipeline connection can be placed in the cavity structure; the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover are provided with semi-cylindrical notches, a cavity for accommodating a pipeline connecting flange is formed inside the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover in a buckled mode, and a cylindrical through hole 3 for accommodating a pipeline penetrating through the pipeline reconstruction sealing protection cover is formed in the buckled mode of the semi-cylindrical notches.
A plurality of bolt holes are arranged at the buckling connection part of the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover, and the upper shell and the lower shell are locked through the bolts; at least two sealing grooves 4 are arranged at the buckling connection part of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and sealing rubber strips are arranged in the sealing grooves 4;
an annular sealing rubber sheet is arranged at the cylindrical through hole 3 of the pipeline reconstruction sealing protection cover.
And sealing rings are arranged at the joint of the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover, which is buckled by bolts.
A pressure relief hole 5 is formed in the upper shell 1 of the pipeline reconstruction sealing protection cover, an internal thread is formed in the inner wall of the pressure relief hole 5, and the pressure relief hole is embedded into a locking plug through a bolt with a sealing ring; when the pipeline is internally filled with gas, the pressure relief hole is formed in the upper shell of the pipeline reconstruction sealing protection cover, and when the pipeline is internally filled with liquid, the pressure relief hole is formed in the lower shell of the pipeline reconstruction sealing protection cover.
A sealing glue is arranged at the buckling connection gap between the upper shell 1 of the pipeline reconstruction sealing protection cover and the lower shell 2 of the pipeline reconstruction sealing protection cover; the outer profile cross section of the upper shell of the pipeline reconstruction sealing protection cover and the outer profile cross section of the lower shell of the pipeline reconstruction sealing protection cover are of L-shaped structures, and the thickness of a flange surface is increased.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A pipeline reconstruction sealing protection cover structure is arranged at a single pipeline fracture position or a joint of a plurality of pipelines; the method is characterized in that: the device comprises at least two shell structures, wherein the two shell structures comprise an upper shell of a pipeline reconstruction sealing protection cover and a lower shell of the pipeline reconstruction sealing protection cover;
the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover are both provided with a concave cavity structure for accommodating pipeline connection, and flanges for pipeline connection can be placed in the concave cavity structures; at least one end face of the upper shell of the pipeline reconstruction sealing protection cover and at least one end face of the lower shell of the pipeline reconstruction sealing protection cover are provided with semi-cylindrical notches, the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover are buckled to form a cavity for containing a pipeline connecting flange, and the semi-cylindrical notches are buckled to form a cylindrical through hole for containing a pipeline to penetrate through the pipeline reconstruction sealing protection cover;
a plurality of bolt holes are formed in the buckling connection position of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and the upper shell and the lower shell are locked through the bolts; at least two sealing grooves are formed at the buckling connection position of the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover, and sealing rubber strips are arranged in the sealing grooves;
and an annular sealing rubber sheet is arranged at the cylindrical through hole of the pipeline reconstruction sealing protection cover.
2. The reconfigurable sealing boot structure of claim 1, wherein: and sealing rings are arranged at the joints of the upper shell of the pipeline reconstruction sealing protective cover and the lower shell of the pipeline reconstruction sealing protective cover, which are buckled by bolts.
3. The reconfigurable sealing boot structure of claim 1, wherein: the upper shell of the pipeline reconstruction sealing protection cover or the lower shell of the pipeline reconstruction sealing protection cover is provided with a pressure relief hole, the inner wall of the pressure relief hole is provided with internal threads, and the pressure relief hole is embedded, locked and plugged through a bolt with a sealing ring; when the pipeline is internally filled with gas, the pressure relief hole is formed in the upper shell of the pipeline reconstruction sealing protection cover, and when the pipeline is internally filled with liquid, the pressure relief hole is formed in the lower shell of the pipeline reconstruction sealing protection cover.
4. The reconfigurable sealing boot structure of claim 1, wherein: a blocking glue is arranged at the buckling connection gap between the upper shell of the pipeline reconstruction sealing protection cover and the lower shell of the pipeline reconstruction sealing protection cover; the outer profile cross section of the upper shell of the pipeline reconstruction sealing protection cover and the outer profile cross section of the lower shell of the pipeline reconstruction sealing protection cover are of L-shaped structures, and the thickness of a flange surface is increased.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010824061.5A CN112253890A (en) | 2020-08-17 | 2020-08-17 | Pipeline reconfiguration sealing protection cover structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010824061.5A CN112253890A (en) | 2020-08-17 | 2020-08-17 | Pipeline reconfiguration sealing protection cover structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112253890A true CN112253890A (en) | 2021-01-22 |
Family
ID=74223892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010824061.5A Pending CN112253890A (en) | 2020-08-17 | 2020-08-17 | Pipeline reconfiguration sealing protection cover structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112253890A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268002A (en) * | 2021-12-28 | 2022-04-01 | 江苏沃能电气科技有限公司 | Water-inflow-preventing plugging process based on right-angled bent bus joint |
CN114614432A (en) * | 2022-03-11 | 2022-06-10 | 南通鑫宸宜庆新材料科技有限公司 | Wind-powered electricity generation box bulkhead cable wears to separate sealing device |
CN115013627A (en) * | 2022-06-08 | 2022-09-06 | 合肥海博工程设计集团有限公司 | A old pipeline junction leak protection equipment for district transformation |
-
2020
- 2020-08-17 CN CN202010824061.5A patent/CN112253890A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268002A (en) * | 2021-12-28 | 2022-04-01 | 江苏沃能电气科技有限公司 | Water-inflow-preventing plugging process based on right-angled bent bus joint |
CN114614432A (en) * | 2022-03-11 | 2022-06-10 | 南通鑫宸宜庆新材料科技有限公司 | Wind-powered electricity generation box bulkhead cable wears to separate sealing device |
CN115013627A (en) * | 2022-06-08 | 2022-09-06 | 合肥海博工程设计集团有限公司 | A old pipeline junction leak protection equipment for district transformation |
CN115013627B (en) * | 2022-06-08 | 2023-08-08 | 合肥海博工程设计集团有限公司 | Old pipeline joint leakage-proof equipment for community transformation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112253890A (en) | Pipeline reconfiguration sealing protection cover structure | |
KR101714801B1 (en) | Eccentric part of a pipe or cable lead-through | |
CA1250006A (en) | Flange protector | |
AU2010211103A1 (en) | A pipe or cable lead-through having modularized modules | |
ES2599845T3 (en) | Coupling device | |
CN110206962A (en) | A kind of sealing device for submarine pipeline maintenance pipe clamp | |
CN203162432U (en) | Pipeline repair device | |
BRMU9000094U2 (en) | coherence between layers of a pipe or cable passage | |
CN212840100U (en) | Pipeline reconfiguration sealing protection cover structure | |
CN207935636U (en) | A kind of excellent sealing type pipeline connector | |
CN102221735B (en) | Cable connector box | |
CN111928056A (en) | Flange type pipeline reconstruction sealing protection cover plugging process | |
CN109155513A (en) | Mold insert half portion and insert including two mold insert half portions | |
CN214951999U (en) | LNG pipeline flange leakage protection and detection device | |
CN111963799B (en) | Sealing repair device and pipeline butt joint equipment | |
CN207094060U (en) | A kind of sealing structure for mechanical three-way | |
CN208793857U (en) | A kind of socket joint connecting pipe | |
GB2498964A (en) | A clamp seal | |
CN215410820U (en) | Oil-blocking sealing cap structure | |
CN212080517U (en) | Plate type double-clamp pipeline repairing device | |
CN215326921U (en) | Spliced crane pipe with good sealing performance | |
CN212361246U (en) | Plugging device | |
CN106195456A (en) | Elastic sealing element and black box | |
CN210860251U (en) | A safe seal assembly for gas pipeline connects | |
RU2076985C1 (en) | Electrically insulating flanged joint |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |