CN114719100B - GIL is with flange double seal structure - Google Patents
GIL is with flange double seal structure Download PDFInfo
- Publication number
- CN114719100B CN114719100B CN202210237246.5A CN202210237246A CN114719100B CN 114719100 B CN114719100 B CN 114719100B CN 202210237246 A CN202210237246 A CN 202210237246A CN 114719100 B CN114719100 B CN 114719100B
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- Prior art keywords
- flange
- ring
- gasket
- close
- gil
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 29
- 230000005540 biological transmission Effects 0.000 description 9
- 230000009977 dual effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 244000273256 Phragmites communis Species 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention discloses a connecting flange double-sealing structure for GIL, which relates to the field of flange sealing and aims at solving the problems of insufficient tightness, insufficient tightness and the like of the connection of GIL pipelines. According to the invention, one side, close to the reed, of the groove of the rubber ring is elastically extruded and supported by the reed, the side edge of the groove is further concavely attached to the inner ring of the line pipeline body, the sealing of the inner ring of the line pipeline body is improved, after the nut is screwed, the specific pressure on the surfaces of the first flange gasket and the second flange gasket reaches a certain value, the deformation is generated, the uneven parts on the mutually close surfaces of the second flange and the first flange are filled, so that the connection is tight and not leaked, and the flange is used in a similar manner, and can accept larger pressure.
Description
Technical Field
The invention relates to the field of flange sealing, in particular to a connecting flange double-sealing structure for GIL.
Background
The electric characteristics of the GIL are similar to those of an overhead line, but because the GIL is a metal-enclosed rigid structure, the metal-enclosed rigid structure is sealed and insulated by adopting a pipeline, the GIL is not generally influenced by severe weather, special topography and other environmental factors, meanwhile, the GIL basically has no electromagnetic influence on the environment, the influence of an external magnetic field on other equipment and personnel can be not considered, furthermore, the GIL can effectively utilize limited space resources, the fact that high-voltage ultrahigh-voltage high-capacity electric energy directly enters underground transformer stations and other load centers of cities is realized, the GIL is an electric power transmission equipment which consists of a grounding alloy aluminum shell and a built-in tubular alloy aluminum conductor and adopts insulating gas such as sulfur hexafluoride as an insulating medium, and the GIL has the advantages of large transmission capacity, low unit loss, flexible arrangement, high operation reliability, no influence by external environmental factors such as dust, humidity and ice coating, and the like, is suitable for power transmission occasions with limited selection of severe weather environments or galleries, and the use of the GIL is expected to be a good choice in the near future, and the adoption of the GIL for power supply in dense metropolitic areas may be a good choice, and key point of development and development of the insulating gas.
The traditional overhead line transmission mode is easily influenced by rain, snow and ice weather and pollution, the influence on the transmission effect is more and more obvious along with the continuous improvement of the transmission grade of an ultra-high voltage network, the social concern on the electromagnetic environment is increased, the urban capacity requirement is continuously improved, the transmission corridor becomes a scarce resource for restricting the electric power development, particularly in large cities with dense population, the transmission mode adopting the overhead line is faced with more and more difficulties, the transmission mode adopting the cable is faced with the limitation of the highest operation voltage and the current-carrying capacity cross section area, the limit of technology and economy is reached, the water tree and the electricity tree can appear in long-term operation, and the problems of large capacitance, difficult heat dissipation and the like exist.
In the connecting flange for GIL, the connecting flange is mostly not easy to deform although being connected, and is suitable for pipelines with high temperature or pressure fluctuation or pipelines with high temperature, high pressure and low temperature, and is also used for pipelines for conveying expensive media, inflammable and explosive media and toxic gases, but the general neck butt welding flange has huge volume, heavy weight and difficult installation and positioning, is easier to collide during transportation and is not beneficial to sealing work during installation, and the same single external or internal sealing does not have effective sealing effect, so the double sealing structure for the connecting flange for GIL is provided for solving the technical problems.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background technology, the invention provides a connecting flange double sealing structure for GIL, one end of the connecting flange double sealing structure, which is close to each other, of a circuit pipeline body is clamped into a groove in a rubber ring, one side of the groove of the rubber ring, which is close to a reed, is elastically extruded and supported by the reed, the side edge of the groove is further concavely attached to an inner ring of the circuit pipeline body, the sealing of the inner ring of the circuit pipeline body is improved, after a nut is screwed, the specific pressure on the surfaces of a first flange gasket and a second flange gasket reaches a certain value, deformation is generated, and the concave-convex parts on the mutually close surfaces of the second flange and the first flange are filled, so that the connection is tight and not leaked, and a flange plate mode is adopted, and the connection is convenient to use, and can accept larger pressure.
(II) technical scheme
The invention provides a connecting flange double-sealing structure for a GIL, which comprises a circuit pipeline body, wherein circuit connecting pipes are welded at the ends, far away from each other, of the circuit pipeline body, rubber rings are clamped at the ends, near each other, of the circuit pipeline body, fixing sleeves are sleeved at the ends, near each other, of the rubber rings, a first round platform ring is welded at the side, far away from the left rubber ring, of the fixing sleeve at the left side, a first lantern ring is welded at the side, far away from the left fixing sleeve, of the first round platform ring, a first flange plate is welded at the side, far away from the first round platform ring, of the first lantern ring, a second round platform ring is welded at the side, far away from the right side, of the fixing sleeve at the right side, of the second round platform ring, and a second lantern ring is welded at the side, far away from the second round platform ring.
As a preferable scheme of the invention, a first flange gasket and a second flange gasket are respectively arranged on one side, close to each other, of the second flange, the first flange gasket and the second flange gasket, a plurality of threaded through holes which are distributed in an annular array are respectively arranged on the periphery of one side, close to each other, of the second flange, the first flange gasket and the second flange gasket, and bolts are respectively sleeved in the threaded through holes.
As a preferable scheme of the invention, a nut is welded at one end of the bolt close to the second flange plate, the outer ring of the bolt positioned at the right side of the second flange plate is sleeved with a metal gasket, and the nut is sleeved at one end of the bolt positioned at the left side of the first flange plate.
As a preferable scheme of the invention, the outer ring of the bolt is provided with threads, the threads of the outer ring of the bolt are meshed with the threads of the second flange plate and the threads of the first flange plate, the outer ring of the bolt is meshed with the threads inside the threads of the first flange plate, the first flange gasket, the second flange plate and the threads on the second flange gasket, so that the bolts can be preliminarily meshed and fixed, the other end of the bolts is screwed with nuts, the first flange gasket and the second flange gasket are placed between the second flange plate and the first flange plate, after the nuts are screwed, the specific pressure on the surfaces of the first flange gasket and the second flange gasket reaches a certain value, the deformation is generated, and the uneven parts on the mutually approaching surfaces of the second flange plate and the first flange plate are filled, so that the connection is tight.
As a preferable scheme of the invention, grooves are formed on one sides of the rubber rings, which are far away from each other, the inner parts of the grooves are clamped with one ends of the circuit pipeline bodies, which are close to each other, the inner rings of the rubber rings are provided with reeds, one ends of the circuit pipeline bodies, which are close to each other, are clamped into the grooves in the rubber rings, one sides of the grooves of the rubber rings, which are close to the reeds, are elastically extruded and supported by the reeds, and then the side edges of the grooves are further concavely attached to the inner rings of the circuit pipeline bodies, so that the sealing of the inner rings of the circuit pipeline bodies is improved.
As a preferable scheme of the invention, openings which are distributed in an annular array are formed around the second flange plate, the first flange gasket and the second flange gasket.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial technical effects:
1. This device is through installing line connection pipe, rubber circle and reed isotructure, install the one end that keeps away from each other at two line pipe body with line connection pipe for line pipe body can dock longer pipeline, in the recess of rubber circle inside with the one end card that line pipe body is close to each other simultaneously, and the recess of rubber circle receives the elasticity extrusion and the support of reed near one side of reed, and then the side of recess and then sunken laminating line pipe body's inner circle, promotes the seal of line pipe body inner circle.
2. The device passes through the first flange plate, the second flange plate and the threaded holes on the second flange plate through the structures such as the mounting bolts, the first flange plate and the first flange gasket, after the bolts are preliminarily screwed into the threaded holes, the outer rings of the bolts are meshed with the threads inside the threaded holes on the first flange plate, the second flange plate and the second flange gasket, and can be preliminarily meshed and fixed, the nuts are screwed on the other ends of the bolts, so that the first flange plate and the second flange plate are placed between the second flange plate and the first flange plate, after the nuts are screwed, the specific pressure on the surfaces of the first flange plate and the second flange plate reaches a certain value, and the uneven parts on the surfaces of the second flange plate and the first flange plate, which are close to each other, are tightly connected, the mode of the flange plates is adopted, the specific pressure can be accepted.
In summary, according to the invention, one end of the line pipe body, which is close to each other, is clamped into the groove in the rubber ring, one side of the groove of the rubber ring, which is close to the reed, is elastically extruded and supported by the reed, and then the side edge of the groove is concavely attached to the inner ring of the line pipe body, so that the sealing of the inner ring of the line pipe body is improved, after the nut is screwed, the specific pressure on the surfaces of the first flange gasket and the second flange gasket reaches a certain value, and the deformation is generated, and the uneven parts on the surfaces, which are close to each other, of the second flange and the first flange are filled, so that the connection is tight and not leaked, and the flange is connected and applied in a similar manner, and can accept larger pressure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a dual sealing structure of a connecting flange for GIL according to the present invention.
Fig. 2 is a schematic structural diagram of a first flange plate of a dual sealing structure of a connecting flange for GIL according to the present invention.
Fig. 3 is a schematic structural diagram of a second flange plate of the dual sealing structure of the connecting flange for GIL according to the present invention.
Fig. 4 is a schematic cross-sectional view of a rubber ring of a dual sealing structure of a connecting flange for GIL according to the present invention.
Fig. 5 is an exploded view of a first flange of a dual sealing structure of a connecting flange for GIL according to the present invention.
Fig. 6 is an exploded structural schematic diagram of a second flange plate of the dual sealing structure of the connecting flange for GIL according to the present invention.
Reference numerals: 1. a line pipe body; 2. a line connecting pipe; 3. a rubber ring; 4. fixing the sleeve; 5. a first collar; 6. a first flange; 7. a first flange gasket; 8. a second flange; 9. a reed; 10. a first round table ring; 11. a second round table ring; 12. a second collar; 13. a second flange gasket; 14. a bolt; 15. and (3) a nut.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.
Embodiment one: referring to fig. 1 to 6, a dual sealing structure of a connection flange for GIL includes a circuit pipe body 1, one end of the circuit pipe body 1 far away from each other is welded with a circuit connection pipe 2, the two circuit pipe bodies 1 are aligned with each other, and the circuit connection pipe 2 is installed at one end of the two circuit pipe bodies 1 far away from each other, so that the circuit pipe bodies 1 can butt against longer pipes, one end of the circuit pipe body 1 near each other is clamped with a rubber ring 3, one end of the rubber ring 3 near each other is sleeved with a fixing sleeve 4, one end of the circuit pipe body 1 near each other is clamped into a groove inside the rubber ring 3, one side of the groove of the rubber ring 3 near a reed 9 is elastically extruded and supported by the reed 9, and then the side of the groove is concavely attached to the inner ring of the circuit pipe body 1, so that the seal of the inner ring of the circuit pipe body 1 is improved, a first round table ring 10 is welded on one side, far away from the left rubber ring 3, of the left fixed sleeve 4, a first collar 5 is welded on one side, far away from the left fixed sleeve 4, of the first round table ring 10, a first flange plate 6 is welded on one side, far away from the first round table ring 10, of the first collar 5, a second round table ring 11 is welded on one side, far away from the right rubber ring 3, of the right fixed sleeve 4, a second collar 12 is welded on one side, far away from the right fixed sleeve 4, of the second round table ring 11, one end, far away from each other, of the fixed sleeve 4 is connected with one side, close to each other, of the rubber ring 3, the first flange plate 6 is fixed on one side, far away from the left fixed sleeve 4, of the first round table ring 10, the second flange plate 8 is fixedly connected on one side, far away from the right fixed sleeve 4, of the first round table ring 10, of the second round table ring 12 is connected with one side, close to each other, of the rubber ring 3 is connected with one side, of the left fixed sleeve 4 is fixed on the first flange plate 6 through the connection relation between the first round table ring 11 and the second round table ring 11 The first lantern rings 5 and 11 and the second lantern ring 12 are all provided with through holes, so that a line can conveniently pass through the through holes, and a second flange plate 8 is welded on one side of the second lantern ring 12 away from the second circular truncated cone ring 11.
Embodiment two: referring to fig. 1 to 6, on the basis of the first embodiment, a dual sealing structure of a connecting flange for GIL is provided, a first flange gasket 7 and a second flange gasket 13 are respectively disposed on one side of a second flange 8 and a first flange 6, which are close to each other, a plurality of threaded through holes are disposed around one side of the second flange 8, the first flange 6, the first flange gasket 7 and the second flange gasket 13, which are close to each other, and are arranged in an annular array, a second flange gasket 13 and a first flange gasket 7, which can be penetrated by a line, are also disposed between a first circular platform ring 10, a first collar 5, 11 and a second collar 12, and threaded holes on the first flange 6, the first flange gasket 7, the second flange 8 and the second flange gasket 13 are penetrated by bolts 14, the nut 15 can be screwed on the other end of the bolt 14, so that the first flange gasket 7 and the second flange gasket 13 are placed between the second flange 8 and the first flange 6, the bolt 14 is sleeved in the threaded through hole, one end of the bolt 14 close to the second flange 8 is welded with the nut, the outer ring of the bolt 14 positioned on the right side of the second flange 8 is sleeved with the metal gasket, after the bolt 14 is screwed into the threaded hole, the outer ring of the bolt 14 is meshed with the screw teeth in the threaded hole in the first flange 6, the first flange gasket 7, the second flange 8 and the second flange gasket 13, and the nut 15 can be sleeved in the end of the bolt 14 positioned on the left side of the first flange 6.
Embodiment III: referring to fig. 1-6, on the basis of the second embodiment, in the dual sealing structure of the connecting flange for GIL, threads are formed on the outer ring of the bolt 14, the threads on the outer ring of the bolt 14 are meshed with the threads formed on the second flange 8 and the first flange 6, a nut 15 is screwed on the other end of the bolt 14, so that the first flange gasket 7 and the second flange gasket 13 are placed between the second flange 8 and the first flange 6, after the nut is screwed, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 reaches a certain value, deformation is generated, the concave-convex uneven parts on the mutually approaching surfaces of the second flange 8 and the first flange 6 are filled, the connecting reed is not leaked, a mode of the flange is adopted, the connection is adopted, the relatively large pressure is accepted when the connection is relatively similar, one side, which is far away from each other, of the rubber ring 3 is provided with grooves, one end, which is mutually close to the circuit pipeline body 1, of the inner ring 3 is clamped, the grooves of the reed 9 are respectively, one side, which is close to the grooves 9, of the rubber ring 3 are extruded by the elastic grooves, the grooves of the inner ring body 1 and the grooves of the ring body 1 are respectively, the flanges 7 are respectively, the flanges of the first flange body, the ring-shaped flanges 1 are respectively, the ring flanges 1 are respectively arranged, the ring-shaped flanges are arranged, and the flanges 1 are tightly, and the flanges are arranged, and the side of the ring flanges 1 are arranged, and the ring-shaped, and the flanges are arranged, and the ring-shaped flanges, and the flanges are arranged.
The working principle and the concrete explanation of the invention:
According to the device provided by the invention, the two line pipeline bodies 1 are aligned with each other, the line connecting pipe 2 is arranged at one end of the two line pipeline bodies 1 far away from each other, so that the line pipeline bodies 1 can be butted with longer pipelines, meanwhile, one end of the line pipeline bodies 1 close to each other is clamped into the groove in the rubber ring 3, one side of the groove of the rubber ring 3 close to the reed 9 is elastically extruded and supported by the reed 9, and then the side edge of the groove is further concavely attached to the inner ring of the line pipeline body 1, so that the sealing of the inner ring of the line pipeline body 1 is improved.
And the end of the fixed sleeve 4 far away from each other is connected with one side of the rubber ring 3 close to each other, the left fixed sleeve 4 is fixed with the first flange 6 through the connection relation between the first round platform ring 10 and the first lantern ring 5, the right fixed sleeve 4 is further fixedly connected with the second flange 8 through the connection relation between the second round platform ring 11 and the second lantern ring 12, the first round platform ring 10, the first lantern rings 5, 11 and the second lantern ring 12 are all provided with through holes, the line is convenient to pass through from the middle, and a second flange gasket 13 and a first flange gasket 7 which can pass through the line are also arranged among the first round platform ring 10, the first lantern rings 5, 11 and the second lantern ring 12, and the bolts 14 pass through threaded holes on the first flange 6, the first flange gasket 7, the second flange 8 and the second flange gasket 13, after the bolts 14 are preliminarily screwed into the threaded holes, the outer rings of the bolts 14 are meshed with the inner threads of the threaded holes on the first flange plate 6, the first flange gasket 7, the second flange plate 8 and the second flange gasket 13, so that the bolts can be preliminarily meshed and fixed, nuts 15 are screwed on the other ends of the bolts 14, the first flange gasket 7 and the second flange gasket 13 are placed between the second flange plate 8 and the first flange plate 6, after the nuts are screwed, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 reaches a certain value, deformation is generated, the uneven parts on the mutually adjacent surfaces of the second flange plate 8 and the first flange plate 6 are filled, the connection is tight and leakless, and the connection is relatively convenient by adopting the flange plate mode, and the larger pressure can be accepted by using the connection.
And in same root pipeline, the gasket that the flange that the pressure is the same selects is unanimous, just so be convenient for exchange each other in the future, to the pipeline that adopts the rubber slab, the gasket select as close as possible the selection of little width, this is the principle that should follow in the prerequisite that confirms that the gasket can not be compressed, and require two flanges to keep parallel when installing the flange in this device, the sealed face of flange can not bruise to clean up, and then promote flange joint's dismantlement convenience, intensity is high, sealing performance is good characteristics.
Meanwhile, one side, close to the reed, of the groove of the rubber ring is elastically extruded and supported by the reed 9, the side edge of the groove is further concavely attached to the inner ring of the circuit pipeline body, sealing of the inner ring of the circuit pipeline body 1 is improved, after the inner ring is screwed up, the specific pressure on the surfaces of the first flange gasket 7 and the second flange gasket 13 reaches a certain value, deformation is generated, the uneven parts on the mutually close surfaces of the second flange 8 and the first flange 6 are filled, the connection is tight and leakless, the effect of sealing the outer part of the flange is achieved, the effect of effectively sealing the outer part and the inner part of the connecting flange for the GIL is achieved, and later overhauling and maintenance are convenient.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The utility model provides a flange double seal structure for GIL, includes circuit pipeline body (1), its characterized in that, circuit pipeline body (1) all welds circuit connecting pipe (2) each other the one end that keeps away from, circuit pipeline body (1) all joint that is close to each other has rubber circle (3), the one end that is close to each other of rubber circle (3) all overlaps and is equipped with fixed sleeve (4), the left side fixed sleeve (4) keep away from one side of left side rubber circle (3) and weld have first round platform ring (10), one side that left side fixed sleeve (4) were kept away from to first round platform ring (10) welds first lantern ring (5), one side that first lantern ring (5) kept away from first round platform ring (10) welds first ring flange (6), the right side fixed sleeve (4) keep away from one side of right side rubber circle (3) and weld second round platform ring (11), one side that right side fixed sleeve (4) were kept away from to second round platform ring (11) has second lantern ring (12), one side (8) that second ring (12) kept away from second ring flange (8) welds; a first flange gasket (7) and a second flange gasket (13) are respectively arranged on one side, close to each other, of the second flange (8) and the first flange (6), a plurality of annular threaded through holes are respectively formed in the periphery of one side, close to each other, of the second flange (8), the first flange (6), the first flange gasket (7) and the second flange gasket (13), a plurality of annular threaded through holes are respectively arranged in an array mode, and bolts (14) are respectively sleeved in the threaded through holes; a nut is welded at one end of the bolt (14) close to the second flange plate (8), a metal gasket is sleeved on the outer ring of the bolt (14) positioned at the right side of the second flange plate (8), and a nut (15) is sleeved at one end of the bolt (14) positioned at the left side of the first flange plate (6); the outer ring of the bolt (14) is provided with threads, and the threads of the outer ring of the bolt (14) are meshed with threaded holes formed in the second flange (8) and the first flange (6); the rubber ring (3) is provided with grooves on one sides far away from each other, one ends of the grooves, which are close to the circuit pipeline body (1) are clamped with one another, reed (9) are arranged on the inner ring of the rubber ring (3), and openings which are distributed in an annular array are formed in the periphery of the second flange plate (8), the first flange plate (6), the first flange gasket (7) and the second flange gasket (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237246.5A CN114719100B (en) | 2022-03-10 | 2022-03-10 | GIL is with flange double seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237246.5A CN114719100B (en) | 2022-03-10 | 2022-03-10 | GIL is with flange double seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719100A CN114719100A (en) | 2022-07-08 |
| CN114719100B true CN114719100B (en) | 2024-05-28 |
Family
ID=82238248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210237246.5A Active CN114719100B (en) | 2022-03-10 | 2022-03-10 | GIL is with flange double seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719100B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111442B (en) * | 2022-08-04 | 2023-12-29 | 江苏乾景环保科技有限公司 | Auxiliary connecting flange for engine water pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226586A (en) * | 1995-02-22 | 1996-09-03 | East Japan Railway Co | Pipe with flange joint of same diameter |
| CN213206875U (en) * | 2020-08-17 | 2021-05-14 | 苏州美隆橡塑制品有限公司 | Sealing rubber ring with self-drainage structure |
| CN214093435U (en) * | 2020-11-16 | 2021-08-31 | 盐城骏马汽配有限公司 | Stainless steel stretching flange of automobile exhaust pipe |
| CN215826380U (en) * | 2021-07-14 | 2022-02-15 | 山东浩信机械有限公司 | Light hub |
-
2022
- 2022-03-10 CN CN202210237246.5A patent/CN114719100B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226586A (en) * | 1995-02-22 | 1996-09-03 | East Japan Railway Co | Pipe with flange joint of same diameter |
| CN213206875U (en) * | 2020-08-17 | 2021-05-14 | 苏州美隆橡塑制品有限公司 | Sealing rubber ring with self-drainage structure |
| CN214093435U (en) * | 2020-11-16 | 2021-08-31 | 盐城骏马汽配有限公司 | Stainless steel stretching flange of automobile exhaust pipe |
| CN215826380U (en) * | 2021-07-14 | 2022-02-15 | 山东浩信机械有限公司 | Light hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114719100A (en) | 2022-07-08 |
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