CN111692455A - Expansion bolt type leakage blocking device and method - Google Patents
Expansion bolt type leakage blocking device and method Download PDFInfo
- Publication number
- CN111692455A CN111692455A CN202010581059.XA CN202010581059A CN111692455A CN 111692455 A CN111692455 A CN 111692455A CN 202010581059 A CN202010581059 A CN 202010581059A CN 111692455 A CN111692455 A CN 111692455A
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- China
- Prior art keywords
- bolt
- expansion
- connecting piece
- leaking stoppage
- inverted cone
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Classifications
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- 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
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- 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
- F16L55/1604—Devices for covering leaks in pipes or hoses, e.g. hose-menders by means of a by-pass conduit
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- 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
- F16L55/1612—Devices for covering leaks in pipes or hoses, e.g. hose-menders by means of a plug
Abstract
The invention provides an expansion bolt type leakage blocking device and method. The expansion bolt type plugging device comprises: connecting pieces and leak stopping bolts; one end of the leaking stoppage bolt penetrates through the connecting piece and extends into the connecting piece, and an inverted cone block is arranged at one end of the leaking stoppage bolt extending into the connecting piece. The expansion bolt type leaking stoppage device and the method thereof provided by the invention can safely stop leaking by adopting the device and the method, ensure the continuous operation of the device or the normal use of facilities, avoid unnecessary material waste and parking, simultaneously reduce material leakage and avoid environmental pollution, have the advantages of simple structure, convenient processing, easy operation, low investment, safety and practicability, good social and economic benefits, and can be widely applied to the treatment of leakage points of containers, pipelines, storage tanks, water tanks and the like in petrochemical industry, coal chemical industry, coking, coal gas, chemical fiber, environmental protection and other industries.
Description
Technical Field
The invention relates to the field of leakage stoppage, in particular to an expansion bolt type leakage stoppage device and method.
Background
Containers, pipelines, storage tanks, water tanks and the like are often used for conveying materials in the chemical production process, and the containers, the pipelines, the storage tanks, the water tanks and the like leak due to various reasons, such as corrosion, scouring, artificial damage and the like, along with the passing of operation time. When container, pipeline, storage tank, basin leak appear, if overhaul in not time, will directly influence chemical production device's stability, simultaneously, because of its leakage, not only bring the material loss, lead to the fact the threat for safety in production moreover, bring certain pollution for the environment simultaneously.
In the practical chemical production process, when a container, a pipeline, a storage tank and a water tank leak, normally, the leakage is usually blocked by adopting a welding mode, because liquid pressure or inflammable substances exist in the container, the pipeline, the storage tank and the water tank, the leakage is blocked by adopting the welding method, the operation is complex, potential safety hazards exist, and then single-system parking, pressure relief and replacement processing are generally adopted. However, the production is continuously operated, and the processes of stopping, pressure relief and replacement are carried out, so that great waste is caused; in addition, the valve of the single system inlet and outlet can not be closed, and the pressure can not be leaked. The traditional processing method is as follows: the whole system is shut down, after pressure relief, the leakage container, the pipeline, the storage tank, the water tank and the like are isolated by blind plates, replaced by nitrogen or other inert gases and then subjected to dynamic welding. The treatment mode inevitably affects the continuity of normal production and unnecessary waste, and simultaneously brings unstable factors to production.
Therefore, it is necessary to provide an expansion bolt type plugging device and method to solve the above technical problems.
Disclosure of Invention
The invention provides an expansion bolt type leakage stopping device and method, which solve the problems that a leaked container, a pipeline, a storage tank or a water tank is inconvenient to stop leakage, the leakage stopping operation is complex, and potential safety hazards exist.
In order to solve the technical problem, the invention provides an expansion bolt type leaking stoppage device, which comprises:
connecting pieces and leak stopping bolts;
one end of the leaking stoppage bolt penetrates through the connecting piece and extends into the connecting piece, an inverted cone block is arranged at one end of the leaking stoppage bolt extending into the connecting piece, and a V-shaped drill bit is arranged on one side of the inverted cone block;
an expansion threaded sleeve is arranged on the outer surface of the leaking stoppage bolt, one end of the expansion threaded sleeve penetrates through the connecting piece and extends into the connecting piece, and an inverted cone expansion structure is arranged at one end of the expansion threaded sleeve extending into the connecting piece;
the outer surface of the expansion threaded sleeve is sleeved with a sealing washer, an arc plate is sleeved on the outer surface of the expansion threaded sleeve and located on one side of the sealing washer, two nuts are sleeved on the outer surface of the expansion threaded sleeve and located on one side of the arc plate;
the method has the advantages of solving the problem of safe leakage stoppage, ensuring the continuous operation of the device or the normal use of facilities, avoiding unnecessary material waste and parking, reducing material leakage and avoiding environmental pollution. The device and the method have the advantages of simple structure, convenient processing, easy operation, low investment, safety, practicality and good social and economic benefits, are a special device and a method for leakage stoppage under pressure when containers, pipelines, storage tanks, water tanks and the like leak, and can be widely applied to treatment of leakage points of containers, pipelines, storage tanks, water tanks and the like in petrochemical industry, coal chemical industry, coking, coal gas, chemical fiber, environmental protection and other industries.
Preferably, one side of the connector is provided as a leakage area.
Preferably, the outer surface of the leaking stoppage bolt is provided with a first external thread, and the expansion thread sleeve is in threaded connection with the leaking stoppage bolt through the first external thread.
Preferably, the outer surface of the expansion threaded sleeve is provided with a second external thread, and the two nuts are in threaded connection with the expansion threaded sleeve through the second external thread.
Preferably, the other side of the leaking stoppage bolt is fixedly connected with a bolt square head.
Preferably, the connection is a container, a pipe, a tank or a sink.
A method for an expansion bolt type plugging device comprises the following steps:
s1, firstly, determining a leakage area of the connecting piece, and then cutting an arc-shaped plate and a sealing washer according to the position, shape and size of the leakage area of the connecting piece;
s2, aligning a drill bit on one side of the leaking stoppage bolt with the leaked hole, rotating a bolt square head on the other side of the leaking stoppage bolt, drilling the bolt square head into the leaked connecting piece, and pressing the inverted cone block of the leaking stoppage bolt and the inverted cone expansion structure on the lower part of the expansion threaded sleeve into the leaked connecting piece;
s3, splicing the two nuts on the expansion threaded sleeve, and then rotating the square head of the leaking stoppage bolt, wherein the inverted cone block of the leaking stoppage bolt and the inverted cone expansion structure at the lower part of the expansion threaded sleeve can be rapidly tensioned due to stress, the inverted cone expansion structure at the lower part of the expansion threaded sleeve can be expanded, deformed and expanded to clamp the inner wall of the hole wall of the connecting piece, and the square head of the bolt of the leaking stoppage bolt is continuously screwed, so that the inverted cone expansion structure at the lower part of the expansion threaded sleeve is fully deformed;
and S4, rotating any one of the two nuts, blocking a leakage area of the connecting piece after the arc-shaped plate and the sealing washer are tightly pressed against the outer surface of the connecting piece and are fully contacted with the outer surface of the blocking connecting piece, and finally screwing any one of the two nuts to finish the leakage blocking.
Preferably, the arc plate and the sealing washer in S1 have the same nominal diameter as the connector.
Preferably, after the two nuts on the expansion threaded sleeve are tightened in S3, a wrench is required to clamp either one of the two nuts.
Preferably, after the leakage area of the connecting piece is blocked in S4, any one of the two nuts is screwed, so that the leakage blocking can be completed.
Compared with the prior art, the expansion bolt type leaking stoppage device and the method provided by the invention have the following beneficial effects:
the invention provides an expansion bolt type plugging device and a method, wherein any one of two nuts is rotated, when an arc-shaped plate and a sealing washer are tightly pressed against the outer surface of a connecting piece and are fully contacted with the outer surface of the connecting piece, a leakage area of the connecting piece can be plugged, finally, any one of the two nuts is screwed to complete plugging, and any one of the two nuts is screwed to complete plugging Treatment of leaks in pipes, tanks, sinks, etc.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of an expansion bolt type plugging device provided by the present invention;
FIG. 2 is a schematic structural view of the device after plugging of the expansion bolt type plugging device shown in FIG. 1;
fig. 3 is a schematic structural view of a second embodiment of the expansion bolt type leaking stoppage device according to the present invention.
Reference numbers in the figures: 1. the leak stoppage bolt comprises a connecting piece, 2, a leak stoppage block, 3, an inverted cone block, 4, a V-shaped drill bit, 5, an expansion thread sleeve, 6, an inverted cone expansion structure, 7, a sealing washer, 8, an arc plate, 9, a nut, 10, a leakage area, 11, a first external thread, 12, a second external thread, 13, a bolt square head, 14, an external hexagonal screw block, 15, a drainage tube, 16, a branch pipe, 17 and a control valve.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural view of a first embodiment of an expansion bolt type plugging device according to the present invention; fig. 2 is a schematic structural view of the device after plugging of the expansion bolt type plugging device shown in fig. 1. The expansion bolt type plugging device and the method comprise the following steps:
a connecting piece 1 and a leak stopping bolt 2;
one end of the leak stopping bolt 2 penetrates through the connecting piece 1 and extends into the connecting piece 1, an inverted cone block 3 is arranged at one end of the leak stopping bolt 2 extending into the connecting piece 1, and a V-shaped drill 4 is arranged on one side of the inverted cone block 3;
an expansion threaded sleeve 5 is arranged on the outer surface of the leaking stoppage bolt 2, one end of the expansion threaded sleeve 5 penetrates through the connecting piece 1 and extends into the connecting piece 1, and an inverted cone expansion structure 6 is arranged at one end of the expansion threaded sleeve 5 extending into the connecting piece 1;
a sealing washer 7 is sleeved on the outer surface of the expansion threaded sleeve 5, an arc-shaped plate 8 is sleeved on the outer surface of the expansion threaded sleeve 5, the arc-shaped plate 8 is positioned on one side of the sealing washer 7, two nuts 9 are sleeved on the outer surface of the expansion threaded sleeve 5, and the two nuts 9 are positioned on one side of the arc-shaped plate 8;
the method has the advantages of solving the problem of safe leakage stoppage, ensuring the continuous operation of the device or the normal use of facilities, avoiding unnecessary material waste and parking, reducing material leakage and avoiding environmental pollution. The device and the method have the advantages of simple structure, convenient processing, easy operation, low investment, safety, practicality and good social and economic benefits, are a special device and a method for leakage stoppage under pressure when containers, pipelines, storage tanks, water tanks and the like leak, and can be widely applied to treatment of leakage points of containers, pipelines, storage tanks, water tanks and the like in petrochemical industry, coal chemical industry, coking, coal gas, chemical fiber, environmental protection and other industries.
One side of the connecting piece 1 is provided with a leakage area 10, so that subsequent anti-blocking work can be conveniently carried out.
The outer surface of the plugging bolt 2 is provided with a first external thread 11, and the expansion thread bush 5 and the plugging bolt 2 are in threaded connection by adopting the first external thread 11;
the arrangement of the first external thread 11 facilitates the connection of the expansion thread bush 5 and the leaking stoppage bolt 2.
The outer surface of the expansion threaded sleeve 5 is provided with second external threads 12, and the two nuts 9 are in threaded connection with the expansion threaded sleeve 5 through the second external threads 12;
the provision of the second external thread 12 facilitates the connection of the two nuts 9 to the expansion thread bush 5.
The other side of the plugging bolt 2 is fixedly connected with a bolt square head 13;
the arrangement of the bolt square head 13 is convenient for the worker to drive the rotation of the leaking stoppage bolt 2.
The connecting piece 1 is a container, a pipeline, a storage tank or a water tank;
the connecting piece 1 is a container, a pipeline, a storage tank or a water tank and the like, so that the use in petrochemical industry, coal chemical industry, coking, coal gas, chemical fiber, environmental protection and other industries is facilitated.
A method for an expansion bolt type plugging device comprises the following steps:
s1, firstly, determining a leakage area of the connecting piece 1, and then cutting an arc-shaped plate 8 and a sealing washer 7 according to the position, shape and size of the leakage area 10 of the connecting piece 1;
s2, aligning a drill bit on one side of the leaking stoppage bolt 2 with the leaked hole, rotating the bolt square head 13 on the other side of the leaking stoppage bolt 2, drilling the bolt square head into the leaked connecting piece 1, and pressing the inverted cone 3 of the leaking stoppage bolt 2 and the inverted cone expansion structure 6 on the lower part of the expansion threaded sleeve 5 into the leaked connecting piece 1;
s3, splicing the two nuts 9 on the expansion threaded sleeve 5, then rotating the square head of the leaking stoppage bolt 2, wherein the inverted cone block 3 of the leaking stoppage bolt 2 and the inverted cone expansion structure 6 at the lower part of the expansion threaded sleeve 5 can be rapidly tensioned due to stress, the inverted cone expansion structure 6 at the lower part of the expansion threaded sleeve 5 can be expanded, deformed and expanded to clamp the inner wall of the hole wall of the connecting piece 1, and continuously screwing the bolt square head 13 of the leaking stoppage bolt 2 to ensure that the inverted cone expansion structure 6 at the lower part of the expansion threaded sleeve 5 is fully deformed;
s4, rotating any one of the two nuts 9, blocking the leakage area 10 of the connecting piece 1 after the arc-shaped plate 8 and the sealing washer 7 are pressed against the outer surface of the connecting piece 1 and are fully contacted with the outer surface of the blocking connecting piece 1, and finally screwing any one of the two nuts 9 to finish the leakage blocking.
The arc plate 8 and the sealing washer 7 in the S1 have the same nominal diameter as the connector 1.
In S3, after the two nuts 9 on the expansion thread bush 5 are tightened, a wrench is required to clamp any one of the two nuts 9.
And after the leakage area of the connecting piece 1 is blocked in the S4, any one of the two nuts 9 is screwed, so that the leakage blocking can be completed.
The working principle of the expansion bolt type leaking stoppage device provided by the invention is as follows:
firstly, determining a leakage area of a connecting piece 1, and then cutting an arc-shaped plate 8 and a sealing washer 7 which have the same nominal diameter as the connecting piece 1 according to the position, shape and size of the leakage area 10 of the connecting piece 1;
aligning a drill bit at one side of the leaking stoppage bolt 2 with the leaked hole, rotating a bolt square head 13 at the other side of the leaking stoppage bolt 2, drilling the bolt square head into the leaked connecting piece 1, and pressing the inverted cone 3 of the leaking stoppage bolt 2 and the inverted cone expansion structure 6 at the lower part of the expansion thread sleeve 5 into the leaked connecting piece 1;
then the two nuts 9 on the expansion thread bushing 5 are spliced, a wrench is needed to clamp any one of the two nuts 9, then the square head of the leaking stoppage bolt 2 is rotated, at the moment, the inverted cone block 3 of the leaking stoppage bolt 2 and the inverted cone expansion structure 6 at the lower part of the expansion thread bushing 5 are quickly tensioned due to stress, at the moment, the inverted cone expansion structure 6 at the lower part of the expansion thread bushing 5 expands, deforms and expands to clamp the inner wall of the hole wall of the connecting piece 1, and the bolt square head 13 of the leaking stoppage bolt 2 is continuously screwed down to ensure that the inverted cone expansion structure 6 at the lower part of the expansion thread bushing 5 is fully deformed;
and rotating any one of the two nuts 9, blocking a leakage area 10 of the connecting piece 1 after the arc-shaped plate 8 and the sealing washer 7 are tightly pressed on the outer surface of the connecting piece 1 and are fully contacted with the outer surface of the connecting piece 1, finally screwing any one of the two nuts 9 to finish leakage blocking, and screwing any one of the two nuts 9 to finish leakage blocking.
Compared with the prior art, the expansion bolt type leaking stoppage device and the method provided by the invention have the following beneficial effects:
by rotating any one of the two nuts 9, when the arc-shaped plate 8 and the sealing washer 7 are pressed against the outer surface of the connecting piece 1 and are fully contacted with the outer surface of the connecting piece 1, the leakage area 10 of the connecting piece 1 can be blocked, finally, any one of the two nuts 9 is screwed to finish leakage stoppage, and any one of the two nuts 9 is screwed to finish leakage stoppage; the device and the method are adopted for safe leakage stoppage, so that the continuous operation of the device or the normal use of facilities are ensured, unnecessary material waste and parking are avoided, meanwhile, material leakage is reduced, environmental pollution is avoided, and the device has the advantages of simple structure, convenience in processing, easiness in operation, low investment, safety, practicability, good social and economic benefits, and can be widely applied to the treatment of leakage points of containers, pipelines, storage tanks, water tanks and the like in petrochemical industry, coal chemical industry, coking, coal gas, chemical fiber, environmental protection and other industries.
Second embodiment
Referring to fig. 3, a second embodiment of the present application provides another expansion bolt type plugging device based on the expansion bolt type plugging device provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the expansion bolt type leaking stoppage device provided by the second embodiment of the present application is different in that an outer hexagonal screw block 14 is provided at the other side of the leaking stoppage bolt 2, a drainage tube 15 is provided inside the leaking stoppage bolt 2, one end of the drainage tube 15 is provided with two branch tubes 16, and the other ends of the two branch tubes 16 both penetrate through the V-shaped drill bit 4 and extend to the outside of the V-shaped drill bit 4;
the arrangement of the two branch pipes 16 is used for discharging materials in the connecting piece to the interior of the drainage tube 15 and discharging the materials through the drainage tube, and the arrangement of the outer hexagonal screw block 14 is convenient for workers to drive the plugging bolt 2 to rotate through the inner hexagonal wrench;
the other end of the drainage tube 15 penetrates through the plugging bolt 2 and the outer hexagonal screw block 14 in sequence and extends to the outside of the outer hexagonal screw block 14, and a control valve 17 is arranged at one end of the drainage tube 15 extending to the outside of the outer hexagonal screw block 14;
through the setting of control valve 17, can control drainage tube 15, and then control drainage tube 15 unload, can effectually change the position of leaking into the position of unloading, can unload work in the position of leaking, improved expansion bolt formula plugging device's result of use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An expansion bolt type plugging device, comprising:
connecting pieces and leak stopping bolts;
one end of the leaking stoppage bolt penetrates through the connecting piece and extends into the connecting piece, an inverted cone block is arranged at one end of the leaking stoppage bolt extending into the connecting piece, and a V-shaped drill bit is arranged on one side of the inverted cone block;
an expansion threaded sleeve is arranged on the outer surface of the leaking stoppage bolt, one end of the expansion threaded sleeve penetrates through the connecting piece and extends into the connecting piece, and an inverted cone expansion structure is arranged at one end of the expansion threaded sleeve extending into the connecting piece;
the outer surface cover of inflation thread bush is equipped with seal ring, the outer surface cover of inflation thread bush is equipped with the arc, just the arc is located one side of seal ring, the outer surface cover of inflation thread bush is equipped with two nuts, two the nut is located one side of arc.
2. An expansion bolt-type plugging device according to claim 1, wherein one side of said connector is provided as a leakage area.
3. The expansion bolt type leaking stoppage device according to claim 1, wherein the outer surface of the leaking stoppage bolt is provided with a first external thread, and the expansion thread bushing is in threaded connection with the leaking stoppage bolt by using the first external thread.
4. The expansion bolt type leaking stoppage device according to claim 1, wherein the outer surface of the expansion threaded bushing is provided with a second external thread, and both of the nuts are threadedly coupled to the expansion threaded bushing using the second external thread.
5. The expansion bolt type leaking stoppage device according to claim 1, wherein a bolt square head is fixedly connected to the other side of the leaking stoppage bolt.
6. The expansion bolt-type plugging device according to claim 1, wherein said connecting member is a container, a pipe, a storage tank or a water tank.
7. The method for the expansion bolt type plugging device is characterized by comprising the following steps:
s1, firstly, determining a leakage area of the connecting piece, and then cutting an arc-shaped plate and a sealing washer according to the position, shape and size of the leakage area of the connecting piece;
s2, aligning a drill bit on one side of the leaking stoppage bolt with the leaked hole, rotating a bolt square head on the other side of the leaking stoppage bolt, drilling the bolt square head into the leaked connecting piece, and pressing the inverted cone block of the leaking stoppage bolt and the inverted cone expansion structure on the lower part of the expansion threaded sleeve into the leaked connecting piece;
s3, splicing the two nuts on the expansion threaded sleeve, and then rotating the square head of the leaking stoppage bolt, wherein the inverted cone block of the leaking stoppage bolt and the inverted cone expansion structure at the lower part of the expansion threaded sleeve can be rapidly tensioned due to stress, the inverted cone expansion structure at the lower part of the expansion threaded sleeve can be expanded, deformed and expanded to clamp the inner wall of the hole wall of the connecting piece, and the square head of the bolt of the leaking stoppage bolt is continuously screwed, so that the inverted cone expansion structure at the lower part of the expansion threaded sleeve is fully deformed;
and S4, rotating any one of the two nuts, blocking a leakage area of the connecting piece after the arc-shaped plate and the sealing washer are tightly pressed against the outer surface of the connecting piece and are fully contacted with the outer surface of the blocking connecting piece, and finally screwing any one of the two nuts to finish the leakage blocking.
8. The method of expansion bolt-type lost circulation device of claim 7, wherein the arc plate and the sealing washer in S1 are of the same nominal diameter as the connector.
9. The method for plugging a bolt-expanding type plugging device according to claim 7, wherein after the two nuts on the expansion thread bush are tightened in the step S3, a wrench is required to be used to clamp any one of the two nuts.
10. The method for plugging a bolt-expanding type plugging device according to claim 7, wherein plugging is completed by screwing any one of two nuts after plugging a leakage area of a connector in S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010581059.XA CN111692455A (en) | 2020-06-23 | 2020-06-23 | Expansion bolt type leakage blocking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010581059.XA CN111692455A (en) | 2020-06-23 | 2020-06-23 | Expansion bolt type leakage blocking device and method |
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| CN111692455A true CN111692455A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010581059.XA Pending CN111692455A (en) | 2020-06-23 | 2020-06-23 | Expansion bolt type leakage blocking device and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386879Y (en) * | 2009-03-24 | 2010-01-20 | 南车戚墅堰机车有限公司 | Pipe plug |
| CN202926788U (en) * | 2012-11-30 | 2013-05-08 | 邓楠 | Expansion bolt capable of being installed on thin wall |
| CN103851302A (en) * | 2014-03-31 | 2014-06-11 | 河北联合大学 | Fast plugging device for pipeline and container |
| CN204372443U (en) * | 2014-12-23 | 2015-06-03 | 中国海洋石油总公司 | A kind of blanking plug for pipe leakage shutoff |
| CN204554225U (en) * | 2015-01-05 | 2015-08-12 | 天津卓达管道机械制造有限公司 | The outer pod apertures of a kind of first-aid clamp tears valve self-closing device open |
| CN206478376U (en) * | 2017-01-16 | 2017-09-08 | 北京管通科技开发有限责任公司 | A kind of hollow water conservancy diversion plug |
-
2020
- 2020-06-23 CN CN202010581059.XA patent/CN111692455A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201386879Y (en) * | 2009-03-24 | 2010-01-20 | 南车戚墅堰机车有限公司 | Pipe plug |
| CN202926788U (en) * | 2012-11-30 | 2013-05-08 | 邓楠 | Expansion bolt capable of being installed on thin wall |
| CN103851302A (en) * | 2014-03-31 | 2014-06-11 | 河北联合大学 | Fast plugging device for pipeline and container |
| CN204372443U (en) * | 2014-12-23 | 2015-06-03 | 中国海洋石油总公司 | A kind of blanking plug for pipe leakage shutoff |
| CN204554225U (en) * | 2015-01-05 | 2015-08-12 | 天津卓达管道机械制造有限公司 | The outer pod apertures of a kind of first-aid clamp tears valve self-closing device open |
| CN206478376U (en) * | 2017-01-16 | 2017-09-08 | 北京管通科技开发有限责任公司 | A kind of hollow water conservancy diversion plug |
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Application publication date: 20200922 |