CN105546222A - Sealing device for large-depth underwater vehicle cable-penetrating pressure-proof shell - Google Patents
Sealing device for large-depth underwater vehicle cable-penetrating pressure-proof shell Download PDFInfo
- Publication number
- CN105546222A CN105546222A CN201610110011.4A CN201610110011A CN105546222A CN 105546222 A CN105546222 A CN 105546222A CN 201610110011 A CN201610110011 A CN 201610110011A CN 105546222 A CN105546222 A CN 105546222A
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- Prior art keywords
- cone
- cable
- cup type
- compound
- type pipe
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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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
Abstract
Provided is a sealing device for a large-depth underwater vehicle cable-penetrating pressure-proof shell. The sealing device comprises a cup-shaped pipe joint penetrating through the pressure-proof shell, compression nuts, compression washers, composite sealing fillers, a composite cone, elastic sealing putty, a conical rubber sleeve and a thin string. By means of the device, water leakage can be eradicated, the pressure resistance is increased to 10 MPa, the compression nuts are prevented from rusting, cable damage is prevented, and the service life lasts for 30 years.
Description
Technical field
The present invention relates to a kind of underwater sealing device, be specially a kind of seal arrangement of large depth underwater aircraft cable penetration pressure hull.
Background technique
It is a kind of traditional contact seal that cup type pipe connects, and is widely used, and its advantage is that structure is simple, and it is convenient to change, and with low cost, dynamic and static sealing is all applicable, and its deficiency is that poor sealing performance, working life are short.Be contained in the joint of cable and equipment, can play lead-in cable, fixed position, hermetically-sealed cable, the sealing that pressure hull worn by submarine navigation device cable usually adopts cup type to close pipe and taps into row and run through cable seal.The structure that the cup type pipe that patent of invention CN104976434A describes a kind of existing submarine navigation device cable penetration pressure hull sealing connects, cable is through clamping nut, compress gasket, stuffing box packing rope, stuffing box packing, cup type tube coupling.Cup type pipe connects and runs through pressure hull, by clamping nut, stuffing box packing is pressed to cable surface, along with tightening up clamping nut, radial compacting force increases gradually, filler and cable are fitted all the more tight, sealing voltage withstand class progressively improves, but stuffing box packing and cable insulation are all elastoplastic materials, when stopping tightening up, stuffing box packing and cable insulation just start stress relaxation, radial compacting force prolongation in time and reducing gradually, finally even completely lose, seal failure, so particularly there will be water leakage phenomenon when large degree of depth navigation when aircraft dive, have a strong impact on navigation safety.More seriously, in order to prevent or block the water leakage phenomenon at cable penetrating place, usually in cup type pipe connects, stuffing box packing is added in advance, repeatedly tighten up nut, cause cable insulation more and more thinner, finally cause cable insulation to lose efficacy and even scrap, put submarine navigation device in desperate situation.Clamping nut long period of soaking in the seawater out of my cabin, and by intrusion by seawater, corrosion is serious, and involve many areas because replacing cup type pipe connects, engineering work load is large, usually cannot change compression spiral shell in time, leave potential safety hazard.In addition, sail body is under water in movement process, and external cable swings with current, and cable root will occur that stress is concentrated and early damage occurs.The submarine navigation device cable penetration pressure hull seal leakage seal arrangement again that patent of invention CN104976434A proposes, although connect seepy question to the cup type pipe alleviating the sealing of submarine navigation device cable penetration pressure hull, but its sealing principle is still by being pressed in cable surface by clamping nut by stuffing box packing and sealing, thoroughly can not solve the defect of this kind of sealing configuration, can not ensure to stop for a long time to leak, and only can life-saving 1 year, withstand voltage rank can not be improved, can only withstand voltage 0 ~ 3MPa, clamping nut corrosion can not be prevented, can not protective cable damage.。
Summary of the invention
In order to solve current submarine navigation device cable penetration pressure hull seal failure seepy question, improve withstand voltage rank, increase the service life, prevent clamping nut corrosion, the problems such as prevention cable fault, the invention provides a kind of seal arrangement of large depth underwater aircraft cable penetration pressure hull, can stop to leak, improve withstand voltage rank, increase the service life, prevent clamping nut corrosion, prevention cable fault.The present invention realizes by the following technical solutions:
A kind of seal arrangement of large depth underwater aircraft cable penetration pressure hull: comprise the cup type pipe running through pressure hull (6) and connect (3) and cup type pipe and connect the clamping nut (2) at two ends, packing washer (4) and compound seal filler (5), seal arrangement also comprises the compound cone (9), elastic packing putty (10), cone rubber cover (11) and the cord (12) that are arranged on out of my cabin.Compound cone is wound in impregnation wire packing, compound cone parcel clamping nut and cable (1), external of Composite Cone covers one deck elastic packing putty (10), elastic packing putty is but is not limited to NDZ-1G sealant, skin is cone rubber cover (11), the two ends of cone rubber cover are cylindrical shape, one end cylinder that diameter is less hugs cable, one end cylinder that diameter is larger hugs the part out of my cabin that cup type pipe connects, cone rubber cover length is 9 ~ 25cm, cone rubber cover two ends cord (12) is tightened, with the coated cone rubber cover two ends of elastic packing putty and weld.Compound seal filler (5) is but is not limited to NDZ-2G cable sealing glue dipping wire packing, and compound seal filler, compound cone, elastic packing putty are ambient temperature curing.
Cable (1) is through clamping nut, compress gasket, compound seal filler, cup type tube coupling, compound cone and cone rubber cover.Cup type pipe connects and runs through pressure hull, connects weld (7) firmly with pressure hull through part (8) at cup type pipe.
After adopting seal arrangement of the present invention, can stop to leak, withstand voltagely be increased to 10MPa, prevent clamping nut corrosion, prevention cable fault, is 30 years working life.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of seal arrangement of large depth underwater aircraft cable penetration pressure hull; In figure: 1-cable, 2-clamping nut, 3-cup type pipe connects, 4-compress gasket, 5-compound seal filler, 6-pressure hull, and 7-welds, and 8-cup type pipe connects and pressure hull through part, 9-compound cone, 10-elastic packing putty, 11-cone rubber cover, 12-cord.
Embodiment
Below in conjunction with accompanying drawing, the present invention is illustrated.
The dependence clamping nut of the seal arrangement abandoning tradition of the present invention's design tightens up, improving radial compressing makes filler and cable fit tightly and crush seal, the compound seal filler be made up of impregnation sealant glue wire packing is wound around cable and is full of cup type pipe and connects interior gap, along with the solidification of compound seal filler, cable and cup type pipe were connected compound seal filler and are bonded together, solidify the adhesive seal that rear row has become a closely knit continuous entirety.Compound seal filler is withstand voltage, heat-resisting, oil resistant, to medium (oil, water) there is good stability, metal is not corroded, simultaneously, can flow when compound seal filler is uncured, thixotroping, compressive strain must be had when sealing unlike solid gasket, therefore also just there is not internal stress, lax, creep and elastic fatigue etc. cause leakage factor, because it has mobility and thixotropy, depression and gap between mating face can be full of, eliminate the boundary leakage phenomenon that solid gasket in use occurs, after the solidification of compound seal filler, there is good bonding elasticity, vibrated, during impact, be full of cracks can not be produced as solid gasket, the destructive leakage phenomenon such as come off, stress relaxation phenomenon can be there is not again in cable by radial compacting force, do not need repeatedly to tighten up clamping nut or add stuffing box packing to block up leakage yet.The seal arrangement that the present invention proposes also comprises the sealing be arranged on out of my cabin and strengthens unit, sealing reinforcement unit is wound in compound cone by impregnation wire packing and is wrapped in hold-down bolt and cable, Composite Cone external bag again one deck includes but not limited to the elastic packing putty of NDZ-1G sealant, outermost surface arranges a cone rubber cover, the cone rubber cover cone end is cylindrical structure, it is suitable that barrel bore and cup type pipe connect external diameter, rubber sleeve cone round-ended cylinder entangles cup type pipe part out of my cabin, cone rubber cover conehead internal diameter is suitable with the outside diameter of cable, cone rubber cover two ends are tightened with cord respectively, with the coated sealing of elastic packing putty.
When designing sealing and strengthening unit, need the external diameter design compound cone inclusion connect according to cable and cup type pipe, the size of cone rubber cover, usual Composite Cone body length is at 5 ~ 10cm, cone rubber cover length is at 9 ~ 25cm, when assembling, first carry out cup type pipe and connect inner seal operation, cleaning cup type pipe connects and the gluing of surfaces of cable is unsalted surface, the compound seal filler of impregnation wire packing is wrapped in and cable is full of cup type pipe connects internal pore, slowly revolve and tighten up nut, when sealer overflows from the gap location of nut and cable, stop tightening up nut, then prefabricated cone rubber cover being enclosed within cup type pipe out of my cabin connects on the cable at place, reserve the operating distance of about 25cm, within the scope of cleaning compound cone cup type pipe connect and cable surface and make it in unsalted surface, impregnation wire packing is wound around clamping nut and cable formation compound cone.Can also can wait the room curing of compound cone, after one day, elastic packing putty is filled cone rubber cover immediately, cone rubber cover cone bottom is pushed into cup type pipe and meets place, the cup type pipe entangled completely out of my cabin connects, tighten cone rubber cover two ends with cord to fix simultaneously, place is tightened again and cone rubber overlaps two-port and elastic packing putty clad welded place with the coated cord of elastic packing putty, aforesaid operations generally needs 4 hours, continue room curing and can complete sealing in more than 1 day, seal arrangement Applicable temperature of the present invention is in the seawater of-5 DEG C ~ 40 DEG C, scope that it is withstand voltage is 0 ~ 10MPa, prevent clamping nut corrosion, prevention cable fault, be 30 years working life.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art does not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (4)
1. the seal arrangement of a large depth underwater aircraft cable penetration pressure hull, comprise the cup type pipe running through pressure hull (6) to connect (3) and cup type pipe and connect the clamping nut (2) at two ends, packing washer (4) and compound seal filler (5), it is characterized in that seal arrangement also comprises compound cone (9), elastic packing putty (10), cone rubber cover (11) and the cord (12) be arranged on out of my cabin; Cable (1) is through clamping nut, compress gasket, compound seal filler, cup type tube coupling, compound cone and cone rubber cover; Cup type pipe connects and runs through pressure hull, connects weld with pressure hull through part (8) at cup type pipe; Compound cone forms closely knit cone with impregnation wire packing winding clamping nut and cable, and the length of centrum is 5 ~ 10cm; External of Composite Cone covers one deck elastic packing putty, and skin is cone rubber cover, cone rubber cover two ends and weld elastic packing putty coated.
2. seal arrangement according to claim 1, is characterized in that compound seal filler is NDZ-2G cable sealing glue dipping wire packing.
3. seal arrangement according to claim 1, is characterized in that elastic packing putty is NDZ-1G elastic packing putty.
4. seal arrangement according to claim 1, it is characterized in that the two ends that cone rubber overlaps are cylindrical shape, one end cylinder that diameter is less hugs cable, one end cylinder that diameter is larger hugs the part out of my cabin that cup type pipe connects, cone rubber cover length is 9 ~ 25cm, tightens cone rubber cover two ends with cord.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610110011.4A CN105546222A (en) | 2016-02-26 | 2016-02-26 | Sealing device for large-depth underwater vehicle cable-penetrating pressure-proof shell |
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CN201610110011.4A CN105546222A (en) | 2016-02-26 | 2016-02-26 | Sealing device for large-depth underwater vehicle cable-penetrating pressure-proof shell |
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CN201610110011.4A Pending CN105546222A (en) | 2016-02-26 | 2016-02-26 | Sealing device for large-depth underwater vehicle cable-penetrating pressure-proof shell |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106838477A (en) * | 2017-02-21 | 2017-06-13 | 东莞市利发爱尔空气净化系统有限公司 | A kind of sealing device for Pipe installing |
CN109578701A (en) * | 2017-09-28 | 2019-04-05 | 中国科学院长春光学精密机械与物理研究所 | A kind of air seal and theodolite |
WO2020168775A1 (en) * | 2019-02-19 | 2020-08-27 | 海捷水下潜航器(深圳)有限公司 | Glue filling type cable leading-in structure, ship and glue filling sealing method |
CN113639042A (en) * | 2021-10-13 | 2021-11-12 | 中国空气动力研究与发展中心低速空气动力研究所 | Threading hole sealing device and method for negative pressure device |
CN113853082A (en) * | 2021-09-27 | 2021-12-28 | 中国舰船研究设计中心 | Black box pressure-resistant storage tank for submersible vehicle |
CN113864535A (en) * | 2021-10-12 | 2021-12-31 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
CN113944827A (en) * | 2021-12-22 | 2022-01-18 | 中国飞机强度研究所 | Airplane design test heat preservation sealing system and parameter optimization method thereof |
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EP0467229A1 (en) * | 1990-07-17 | 1992-01-22 | Ciro Mastromatteo | Slip-preventing bushing for pipes |
CN201416690Y (en) * | 2009-06-04 | 2010-03-03 | 中国航空工业集团公司西安飞机设计研究所 | Flexible seal device for perforation of conduit tube |
CN102658932A (en) * | 2012-05-15 | 2012-09-12 | 天津利达昌基科技发展有限公司 | Application of flexible grease fiber anticorrosion sealing system to storage tank margin plate |
CN202580320U (en) * | 2012-03-17 | 2012-12-05 | 叶香雄 | Waterproof structure of through-wall pipe |
CN104976434A (en) * | 2014-04-14 | 2015-10-14 | 中国人民解放军91872部队青岛研究室 | Underwater vehicle cable penetrating pressure-proof shell leakage sealing and resealing device |
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2016
- 2016-02-26 CN CN201610110011.4A patent/CN105546222A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0467229A1 (en) * | 1990-07-17 | 1992-01-22 | Ciro Mastromatteo | Slip-preventing bushing for pipes |
CN201416690Y (en) * | 2009-06-04 | 2010-03-03 | 中国航空工业集团公司西安飞机设计研究所 | Flexible seal device for perforation of conduit tube |
CN202580320U (en) * | 2012-03-17 | 2012-12-05 | 叶香雄 | Waterproof structure of through-wall pipe |
CN102658932A (en) * | 2012-05-15 | 2012-09-12 | 天津利达昌基科技发展有限公司 | Application of flexible grease fiber anticorrosion sealing system to storage tank margin plate |
CN104976434A (en) * | 2014-04-14 | 2015-10-14 | 中国人民解放军91872部队青岛研究室 | Underwater vehicle cable penetrating pressure-proof shell leakage sealing and resealing device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106838477A (en) * | 2017-02-21 | 2017-06-13 | 东莞市利发爱尔空气净化系统有限公司 | A kind of sealing device for Pipe installing |
CN109578701A (en) * | 2017-09-28 | 2019-04-05 | 中国科学院长春光学精密机械与物理研究所 | A kind of air seal and theodolite |
CN109578701B (en) * | 2017-09-28 | 2021-10-26 | 中国科学院长春光学精密机械与物理研究所 | Air sealing device and theodolite |
WO2020168775A1 (en) * | 2019-02-19 | 2020-08-27 | 海捷水下潜航器(深圳)有限公司 | Glue filling type cable leading-in structure, ship and glue filling sealing method |
CN113853082A (en) * | 2021-09-27 | 2021-12-28 | 中国舰船研究设计中心 | Black box pressure-resistant storage tank for submersible vehicle |
CN113864535A (en) * | 2021-10-12 | 2021-12-31 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
CN113864535B (en) * | 2021-10-12 | 2023-01-24 | 天津精仪精测科技有限公司 | Self-sealing cable penetrating assembly and using method |
CN113639042A (en) * | 2021-10-13 | 2021-11-12 | 中国空气动力研究与发展中心低速空气动力研究所 | Threading hole sealing device and method for negative pressure device |
CN113944827A (en) * | 2021-12-22 | 2022-01-18 | 中国飞机强度研究所 | Airplane design test heat preservation sealing system and parameter optimization method thereof |
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Application publication date: 20160504 |