CN103982709A - Multi-wire lead-out device of high-pressure container - Google Patents

Multi-wire lead-out device of high-pressure container Download PDF

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Publication number
CN103982709A
CN103982709A CN201410244699.6A CN201410244699A CN103982709A CN 103982709 A CN103982709 A CN 103982709A CN 201410244699 A CN201410244699 A CN 201410244699A CN 103982709 A CN103982709 A CN 103982709A
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CN
China
Prior art keywords
wire
lead
pressure bottle
bolt
shaped lead
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Granted
Application number
CN201410244699.6A
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Chinese (zh)
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CN103982709B (en
Inventor
李小春
刘学浩
李琦
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Priority to CN201410244699.6A priority Critical patent/CN103982709B/en
Publication of CN103982709A publication Critical patent/CN103982709A/en
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Publication of CN103982709B publication Critical patent/CN103982709B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02Sealing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Closures For Containers (AREA)

Abstract

The invention discloses a multi-wire lead-out device of a high-pressure container. A first lead, a second lead and a third lead are inserted into a hole in the middle of a T-shaped wire-leading bolt. Gaps between the first lead and the hole, between the second lead and the hole and between the third lead and the hole are filled by pouring flexible sealing resin and rigid sealant in a layered mode. The T-shaped wire-leading bolt is inserted into a metal shell of the high-pressure container. The bottom of the T-shaped wire-leading bolt is provided with a nut for connection. A first O-shaped ring and a second O-shaped ring are arranged between the T-shaped wire-leading bolt and the metal shell of the high-pressure container, and therefore gaps between the T-shaped wire-leading bolt and the metal shell of the high-pressure container are sealed. The leads are inserted into the hole in the middle of the T-shaped wire-leading bolt and the flexible sealing resin and the rigidity sealant are used for sealing. The device is novel in structure, convenient to machine, low in cost and high in applicability and has certain business popularization value.

Description

The multi-thread ejector of a kind of high-pressure bottle
Technical field
The present invention relates to mechanical sealing for pressure vessels field, more specifically relate under condition of high voltage the multi-thread ejector of the one of seal container.Be applicable to non-standard lead-in wire (as many wires pass through simultaneously, the single wire thickness inequality of successive test, lead-in wire outer without plastic wraps), frequent dismounting and change (as in scientific experiment successively investigation detect) etc. situation.
Background technique
Often adopt multiple sensors (as pressure, temperature, deformation, acoustic signal) to observe the test specimen in seal container in testing of materials, field of machining, outside data acquistion system be drawn and be transferred to the sensor of high-pressure bottle inside need to by wire.And how multiple conducting wires reliably reasonably draws in high-pressure bottle, it is one of in esse technical problem.
For the technical problem that in above-mentioned high-pressure bottle, multiple conducting wires is drawn, on market there is defect in various degree in existing technological scheme: 1) common porous lead-through device, be connected with seal container from outside by screw thread or snap ring, although easy to process, with low cost, there is serious potential safety hazard.Under frequent dismounting or high pressure long-term use in the situation that, because joint screw thread lost efficacy or snap ring force bearing point fatigue damage causes metallic member to be ejected at a high speed, there is serious experiment accident under differential pressure action in the joint of its lead-through device; 2) although accurate lead-through device technology is complete, superior performance, but be generally only applicable to the solid conductor of Reference diameter, due to its internal structure complexity, with high costs, poor for applicability, the process-cycle is long, can not adapt to well various actual conditions, as multiple conducting wires is drawn.
Patent of invention " leading technique of multiple wires from hole of vessel at high pressure " (application number 86103609) discloses the multi-thread scheme of drawing in an a kind of hole, oil-proof under 1000MPa high pressure, wherein multiple conducting wires is arranged in the reserved guide groove of conical surface, and adopt the interior external conical sleeve of sealed insulation to seal, this tapered sleeve adopts plexiglass to make, and adopts the measure of heating when assembling.This scheme is applicable to the wire that diameter is thinner, and the reserved guide groove number exact matching of the conical surface wire number of drawing, and can not increase temporarily or reduce.In addition, when the interior external conical sleeve-installation of core seal element-plexiglass material of this device, need heat treatment, cause this lead tapping device thermal adaptability not strong, actual sealing effect discreteness is large.
Utility model patent " high tension resistance case and lead sealing equipment " (application number 200820089786) discloses lead sealing equipment under a kind of high pressure, the wire of pressure transducer is passed through to metal shell by stem, and wherein the cone shape hole of stem and metal shell adopts glass powder to be sintered to fix.This lead sealing equipment is simple in structure, and greatest problem is to adopt the Placement of glass powder sintering to be difficult for lead-through device to disassemble from high-pressure bottle, and the frequent metal shell that affects high-pressure bottle perforation place of changing, even causes the inefficacy of whole high-pressure bottle.
Utility model patent " a kind of lead sealing equipment " (application number 201220238652.5) discloses a kind of lead sealing equipment, lead-in wire body is through the shoulder hole on metal shell, and the cylindrical cavity of lead-in wire body inside and multiple conducting wires are realized sealing by building vacuum seal resin.But problem is to go between, body and metal shell outside are fixed by two bolts, and this structural design bearing capacity is limited, and the potential safety hazard that still exists bolt element to eject at a high speed.
For the practical problem of above-mentioned high-pressure bottle lead-in wire, the described multi-thread ejector of a kind of high-pressure bottle is the simple and easy reliable lead-in wire mode of one extracting in experiment test repeatedly, overcome the potential safety hazard of common lead-in wire mode by the structural design of pressure self-sealing, realized multi-thread the drawing in next hole of condition of high voltage, design ingenious, applied widely, with low cost, operation is simple and feasible.Be specially adapted to the situations such as instrument and equipment research and development debug phase multiple conducting wires is drawn, frequent dismounting and change, different in nature assembly, have the commercial value of further popularization.
Summary of the invention
The present invention overcomes the above-mentioned shortcoming and defect of existing lead technology, and object is to be to provide a kind of high-pressure bottle multi-thread ejector.This apparatus structure novelty, easy to process, with low cost, applicability is strong, has certain business promotion and be worth.
For achieving the above object, the present invention is by the following technical solutions:
The multi-thread ejector of a kind of high-pressure bottle, comprises and need to draw the wire of high-pressure bottle, rigid sealer, flexible sealing resin, an O type circle and the 2nd O type circle, T-shaped lead-in wire bolt and nut.
Described be multi-threadly described as three herein, excursion is two to eight.
Described high pressure, the pressure of this multi-thread ejector experiment test ability 200MPa, the high confining pressure of high-pressure bottle is at least 200MPa.
Described multi-thread ejector can arrange one to ten group in high-pressure bottle.
The described multi-thread ejector of a kind of high-pressure bottle, its Placement and functional description are as follows: the aperture in the middle of T-shaped lead-in wire bolt inserts the first wire, the second wire and privates, and placement layer by layer flexible sealing resin and rigid sealer are filled the gap between the first wire, the second wire and privates and aperture, wherein flexible sealing resin is realized the sealing in this gap, and rigid sealer improves this gap location load performance.T-shaped lead-in wire bolt is inserted in the metal shell of high-pressure bottle, adopt nut to connect (screwing) in the bottom of T-shaped lead-in wire bolt, also in the middle of the metal shell of T-shaped lead-in wire bolt and high-pressure bottle, an O type circle and the 2nd O type circle are set, realize the sealing in gap between T-shaped lead-in wire bolt and the metal shell of high-pressure bottle; T-shaped lead-in wire bolt inserts after the metal shell of high-pressure bottle, adopts nut to screw to T-shaped lead-in wire bolt bottom, realizes T-shaped lead-in wire bolt position fixing in the metal shell of high-pressure bottle.
Described T-shaped lead-in wire bolt is core parts of the present invention, it is characterized in that: aperture reserved in the middle of T-shaped lead-in wire bolt inserts wire, and adopts flexible sealing resin and rigid sealant sealing layering sealing, ensures sealing and the mechanical property of connecting position of wires; Be further characterized in that, T-shaped lead-in wire bolt embeds from high-pressure bottle is inner, instead of link with thread forms from high-pressure bottle outside in a conventional manner, make full use of the poor self balancing of external and internal pressure, structural design, greatly improve the load performance of this multi-thread ejector, avoided fatigue damage or the inefficacy of screw thread stripped thread that frequent dismounting causes to cause the metallic member potential security risk of ejection at a high speed.Because its mechanics bearing capacity depends on the intensity of the certain thickness sheet metal of T-shaped lead-in wire bolt upper end, instead of the intensity being threaded; Be further characterized in that: T-shaped lead-in wire bolt bottom port is outside thread, through after the metal shell of high-pressure bottle, lower end adopts nut to fix, and the negative pressure forming when this intensity that is threaded only needs to resist high-pressure bottle and vacuumizes, can not exist security risk.
The present invention has the following advantages and good effect:
This apparatus structure novelty, easy to process, with low cost, applicability is strong, has certain business promotion and be worth.
1. this apparatus structure novelty, lead-through device embeds from high-pressure bottle is inner, and pressure is larger, and lead-through device sealing is tightr.This structural type greatly improves bearing capacity, the potential safety hazard of avoiding metallic member to eject at a high speed.
2. this device is easy to process, simple and reliable.The taper member that does not use similar lead-through device extensively to adopt, the inner nested pin configuration that elaborate is not set, easy to process quick, actual installation practice is simple, reliable for effect.
3. this device applicability is strong, has certain business promotion and is worth.Under guarantee sealing and high confining pressure environment, can draw reliably multiple conducting wires, and not limit the size of diameter of wire.
Be applicable to drawing of many wires under condition of high voltage, off-gauge situation (as many wires pass through simultaneously, the single wire thickness inequality of successive test, lead-in wire outer without plastic wraps) is specially adapted to go between, need repeatedly change and the occasion (as in scientific experiment successively investigation detection, frequently replacing) high to sealing requirements the ease of Use in situation (as 32 channel sound emission systems need to be drawn at least 32 wires from high-pressure bottle) and industry or daily life that number of leads is various.
As mentioned above, the present invention has overcome by novel structural design emphasis the security hidden trouble that existing common lead technology exists metallic member to eject at a high speed, to a certain degree make up existing precise lead technical costs restriction high, poor for applicability, provide a kind of high-pressure bottle multi-thread ejector.This apparatus structure novelty, easy to process, with low cost, applicability is strong, has certain business promotion and be worth.
brief description of the drawings
Fig. 1 is the multi-thread ejector overall schematic of a kind of high-pressure bottle
Fig. 2 is the multi-thread ejector structure principle chart of a kind of high-pressure bottle
Fig. 3 is the multi-thread ejector core component of a kind of high-pressure bottle side view
Fig. 4 is the multi-thread ejector core component of a kind of high-pressure bottle plan view
Wherein Fig. 1 is the schematic diagram of multi-thread ejector in high-pressure bottle, indicates position and the set-up mode (being embedded in from high-pressure bottle) of this multi-thread ejector.Wherein, the region of Fig. 1 dotted line collimation mark note is enlarged into Fig. 2, describes composition structure and the principle of this multi-thread ejector in detail.Core component-T-shaped lead-in wire bolt to the multi-thread ejector shown in Fig. 2, further describes, and Fig. 3 is shown in by its side view, and plan view is shown in Fig. 4.
In Fig. 1:
1-high-pressure bottle (confined pressure is no more than 200MPa)
2-bolt
The multi-thread ejector of 3a-the first (the described multi-thread ejector of a kind of high-pressure bottle)
The multi-thread ejector of 3b-the second (the described multi-thread ejector of a kind of high-pressure bottle)
In high-pressure bottle, multi-thread ejector can arrange 1-10.
In Fig. 2:
1a----the first wire (wire that need to draw high-pressure bottle, diameter is not limit);
1b-the second wire (wire that need to draw high-pressure bottle, diameter is not limit);
1c-privates (wire that need to draw high-pressure bottle, diameter is not limit);
2-rigid sealer (mechanical property is good, and anti-pressure ability is strong, selected according to actual conditions, as 304 glue);
3-flexible sealing resin (good airproof performance, quality softness is flexible, according to the selected model of actual conditions, as silica gel resin);
4a-one O type circle (fluorine rubber material, specification is selected by actual conditions, as internal diameter 50mm);
4b-two O type circle (fluorine rubber material, specification is selected by actual conditions, as internal diameter 50mm);
5-T-shaped lead-in wire bolt (core component adopts stainless steel processing)
Described T-shaped lead-in wire bolt those of ordinary skill in the art all can prepare;
6-nut (regular screw threads);
The metal shell of 7-high-pressure bottle metal materials such as (, for high-pressure bottle lead-in wire is by reserved aperture) stainless steel, alloyed steel, copper;
Above-mentioned other parts all can be purchased on market.
Embodiment
Embodiment 1:
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1, the multi-thread ejector of a kind of high-pressure bottle, embeds the first multi-thread ejector 3a placed side by side, the second multi-thread ejector 3b from the inside of high-pressure bottle.Wherein in high-pressure bottle, this multi-thread ejector can arrange 1-10 group, and Fig. 1 mesohigh container is provided with 2 groups of multi-thread ejectors with signal.
Between the first described multi-thread ejector 3a and the second multi-thread ejector 3b, without positive connection, each multi-thread ejector (1-10 group) can work alone.
The described multi-thread ejector 3b of the first multi-thread ejector 3a(second) comprising: the first wire 1a, the second wire 1b, privates 1c, rigid sealer 2, flexible sealing resin 3, an O type circle 4a, the 2nd O type circle 4b, T-shaped lead-in wire bolt 5 and nut 6, as shown in Figure 2.It is characterized in that: the apertures in the middle of T-shaped lead-in wire bolt 5 insert the first wire 1a, the second wire 1b and privates 1c, and placement layer by layer flexible sealing resin 3 and rigid sealer 2 are filled the gap between the first wire 1a, the second wire 1b and privates 1c and aperture.Then T-shaped lead-in wire bolt 5 is inserted in the metal shell 7 of high-pressure bottle, adopt nut 6 to connect (screwing) in the bottom of T-shaped lead-in wire bolt 5, also in the middle of the metal shell 7 of T-shaped lead-in wire bolt 5 and high-pressure bottle, an O type circle 4a and the 2nd O type circle 4b are set, by the sealing in gap therebetween; T-shaped lead-in wire bolt 5 inserts after the metal shell 7 of high-pressure bottle, adopts nut 6 to screw in the bottom of T-shaped lead-in wire bolt 5, realizes the fixing of its position.
Described T-shaped lead-in wire bolt 5, as shown in Figure 3,4, is characterized in that: reserved aperture in the middle of T-shaped lead-in wire bolt 5, draw for multiple conducting wires (two to eight); Be further characterized in that, T-shaped lead-in wire bolt 5 embeds from high-pressure bottle is inner, as shown in Figure 1, instead of to link from high-pressure bottle outside with thread forms (usual way of similar technology); Be further characterized in that, T-shaped lead-in wire bolt 5 bottom ports are outside thread, through after the metal shell 7 of high-pressure bottle, adopt nut 6 to be tightened.
Project is thanked you:
State natural sciences fund general project (Grant No. 41274111)
Chinese Academy of Sciences's Hundred Talents Program-(Grant No. O931061C01).

Claims (4)

1. the multi-thread ejector of high-pressure bottle, comprise the first wire (1a), rigid sealer (2), flexible sealing resin (3), the one O type circle (4a), T-shaped lead-in wire bolt (5) and nut (6), it is characterized in that: the first wire (1a) is inserted in the hole in the middle of T-shaped lead-in wire bolt (5), the second wire (1b) and privates (1c), and placement layer by layer flexible sealing resin (3) and rigid sealer (2) are filled the first wire (1a), gap between the second wire (1b) and privates (1c) and hole, T-shaped lead-in wire bolt (5) is inserted in the metal shell (7) of high-pressure bottle, adopt nut (6) to connect in the bottom of T-shaped lead-in wire bolt (5), a middle O type circle (4a) and the 2nd O type circle (4b) of arranging of metal shell (7) at T-shaped lead-in wire bolt (5) with high-pressure bottle, by its clearance seal.
2. the multi-thread ejector of a kind of high-pressure bottle according to claim 1, is characterized in that: wire is inserted in the hole in the middle of described T-shaped lead-in wire bolt (5), adopts flexible sealing resin (3) and rigid sealer (2) sealing.
3. the multi-thread ejector of a kind of high-pressure bottle according to claim 1, is characterized in that: described T-shaped lead-in wire bolt (5) embeds from high-pressure bottle is inner.
4. the multi-thread ejector of a kind of high-pressure bottle according to claim 1, is characterized in that: described T-shaped lead-in wire bolt (5) bottom port is outside thread, and through after the metal shell (7) of high-pressure bottle, lower end adopts nut (6) fixing.
CN201410244699.6A 2014-06-04 2014-06-04 The multi-thread ejector of a kind of high-pressure bottle Expired - Fee Related CN103982709B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696603A (en) * 2015-03-10 2015-06-10 苏州道众机械制造有限公司 Durable ceramic embedded tube plate
CN112331978A (en) * 2020-11-23 2021-02-05 中国电子科技集团公司第十八研究所 High-pressure sealing structure for lead
CN112833329A (en) * 2021-01-27 2021-05-25 中材科技(苏州)有限公司 Bottle mouth structure for nonmetal liner fiber reinforced high-pressure gas bottle

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JP2005049240A (en) * 2003-07-29 2005-02-24 Nec Schott Components Corp Pressure sensor
US20050204823A1 (en) * 2004-03-19 2005-09-22 Denso Corporation Pressure sensor and related method
CN2835970Y (en) * 2005-10-20 2006-11-08 上海光华仪表有限公司 Sealing structure for measurement component of nuclear safety level capacitive differential pressure/pressure transmitter
CN101470040A (en) * 2007-12-28 2009-07-01 中国航天科技集团公司第五研究院第五一〇研究所 Low-pressure gauge used for hazardous gas security measurement
CN202676193U (en) * 2012-05-25 2013-01-16 核工业理化工程研究院 Leading wire sealing device
CN203857139U (en) * 2014-06-04 2014-10-01 中国科学院武汉岩土力学研究所 Multi-wire leading device for high-pressure vessel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005049240A (en) * 2003-07-29 2005-02-24 Nec Schott Components Corp Pressure sensor
US20050204823A1 (en) * 2004-03-19 2005-09-22 Denso Corporation Pressure sensor and related method
CN2835970Y (en) * 2005-10-20 2006-11-08 上海光华仪表有限公司 Sealing structure for measurement component of nuclear safety level capacitive differential pressure/pressure transmitter
CN101470040A (en) * 2007-12-28 2009-07-01 中国航天科技集团公司第五研究院第五一〇研究所 Low-pressure gauge used for hazardous gas security measurement
CN202676193U (en) * 2012-05-25 2013-01-16 核工业理化工程研究院 Leading wire sealing device
CN203857139U (en) * 2014-06-04 2014-10-01 中国科学院武汉岩土力学研究所 Multi-wire leading device for high-pressure vessel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104696603A (en) * 2015-03-10 2015-06-10 苏州道众机械制造有限公司 Durable ceramic embedded tube plate
CN104696603B (en) * 2015-03-10 2016-09-21 苏州道众机械制造有限公司 The embedded durable tube sheet of a kind of pottery
CN112331978A (en) * 2020-11-23 2021-02-05 中国电子科技集团公司第十八研究所 High-pressure sealing structure for lead
CN112331978B (en) * 2020-11-23 2022-04-12 中国电子科技集团公司第十八研究所 High-pressure sealing structure for lead
CN112833329A (en) * 2021-01-27 2021-05-25 中材科技(苏州)有限公司 Bottle mouth structure for nonmetal liner fiber reinforced high-pressure gas bottle

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