CN102889619A - Sealing device of multi-stranded cable aiming at perforation lead-out - Google Patents

Sealing device of multi-stranded cable aiming at perforation lead-out Download PDF

Info

Publication number
CN102889619A
CN102889619A CN2012104305940A CN201210430594A CN102889619A CN 102889619 A CN102889619 A CN 102889619A CN 2012104305940 A CN2012104305940 A CN 2012104305940A CN 201210430594 A CN201210430594 A CN 201210430594A CN 102889619 A CN102889619 A CN 102889619A
Authority
CN
China
Prior art keywords
seat
cable
boss
perforation
lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012104305940A
Other languages
Chinese (zh)
Other versions
CN102889619B (en
Inventor
田中伟
黄章芳
郑军保
户晓阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aircraft Power Machinery Institute
Original Assignee
China Aircraft Power Machinery Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aircraft Power Machinery Institute filed Critical China Aircraft Power Machinery Institute
Priority to CN201210430594.0A priority Critical patent/CN102889619B/en
Publication of CN102889619A publication Critical patent/CN102889619A/en
Application granted granted Critical
Publication of CN102889619B publication Critical patent/CN102889619B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Flexible Shafts (AREA)

Abstract

The invention discloses a sealing device of a multi-stranded cable aiming at perforation lead-out. The device comprises a lead-out seat assembled at a perforation and a pressing nut which is in threaded connection to the lead-out seat, wherein lead-out holes which are aligned with the perforation and through which the cable passes are formed on the lead-out seat and the pressing nut. The sealing device also comprises a pressing joint which is sleeved on the cable and is circumferentially fixed together with the lead-out seat; a first end of the pressing joint is clamped in the lead-out seat; and a second end of the pressing joint is contacted with the pressing nut. According to the pressing joint, the pressing joint is pressed by the pressing nut; the pressing joint is circumferentially fixed together with the lead-out seat, so that the pressing joint does not rotate along with rotation of the pressing nut, and the cable is prevented from being twisted off; and meanwhile, a filling material is tightly pressed, the sealing performance of the cable under high pressure is improved, and the device is simple in structure and convenient to detach.

Description

The densification device of the Stranded cable of drawing for perforation
Technical field
The present invention relates to the gas-turbine unit field, especially, relate to a kind of densification device of Stranded cable of drawing for perforation.
Background technology
In the gas-turbine unit development process, often need to the combustion chamber components performance test,, test and analyzing, especially the combustor exit temperature field is accurately detected, by arranging that at combustor exit thermoprobe is to obtain more accurate temperature profile data, detect the combustor exit temperature field and whether meet designing requirement, this draws with regard to relating to the Stranded cable that how will measure temperature.
Present Main is to draw seat at combustion box wall welding galvanic couple, compresses packing material by the conical surface.And when adopting galvanic couple to draw, the high-pressure situations seal performance is relatively poor, in the process that compresses because packing material is followed the clamping nut rotation, thereby cause electric cable rotary, and under high pressure, packing material must be pressed tightlyer, so very easily twists into two parts cable.
Summary of the invention
The object of the invention is to provide a kind of densification device of Stranded cable of drawing for perforation, the technical problem of easily twisting into two parts with cable in the densification device compaction process that solves prior art.
For achieving the above object, the invention provides a kind of densification device of cable of drawing for perforation, comprise and be installed in drawing seat and being threadedly connected to the clamp nut of drawing on the seat of perforation place, draw and all offer the fairlead that passes through with the current supply cable that aligns of boring a hole on seat and the clamp nut, densification device also comprise be sheathed on the cable with draw a circumferentially fixing pressed joint of seat, the first end of pressed joint is arranged in draws in the seat, and the second end contacts with clamp nut.
Further, the lateral wall of pressed joint is provided with the first boss, and the madial wall of drawing seat is provided with the first groove that cooperates with the first boss.
Further, the quantity of the first boss is two, and two the first boss are arranged symmetrically with respect to cable.
Further, the periphery circle of pressed joint is provided with the second groove, and the madial wall of drawing seat is provided with the second boss with the second groove fit.
Further, the quantity of the second boss is two, and two the second boss are arranged symmetrically with respect to cable.
Further, draw seat and be provided with the end of thread that is connected for the casing wall with the perforation place.
Further, pressed joint and draw between the seat to fill and be provided with resistant to elevated temperatures packing material.
Further, pressed joint inside is provided with conical cavity, the packing material cavity filling.
The present invention has following beneficial effect:
The present invention is by arranging a pressed joint, and clamp nut compresses pressed joint; Pressed joint is circumferentially fixed with drawing seat, so that pressed joint does not rotate along with the rotation of clamp nut, has avoided cable to be twisted into two parts; So that packing material is pressed tightlyer, improved the present invention's sealing property under high pressure simultaneously; And the present invention is simple in structure, easy accessibility.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.The below is with reference to figure, and the present invention is further detailed explanation.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of densification device of the Stranded cable of drawing for perforation of the preferred embodiment of the present invention; And
Fig. 2 is the cross-sectional schematic of the A-A face shown in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, the preferred embodiments of the present invention provide a kind of densification device of Stranded cable of drawing for perforation, comprise and be installed in drawing seat 10 and being threadedly connected to the clamp nut 20 of drawing on the seat 10 of perforation 51 places, draw on seat 10 and the clamp nut 20 and all offer the fairlead that passes through with 51 current supply cables that align 40 of boring a hole, densification device also comprise be sheathed on the cable 40 with draw circumferentially fixing pressed joints 30 of seat 10, the first end of pressed joint 30 is arranged in draws in the seat 10, and the second end contacts with clamp nut 20.Simple in structure, easy accessibility of the present invention and seal tight.
Densification device of the present invention is mounted on the casing wall 50, and the centre of casing wall 50 is provided with perforation 51, and cable 40 51 is drawn from boring a hole.
Please in conjunction with referring to Fig. 2, draw seat 10 and be installed in the perforation 51 of casing wall 50, draw on the seat 10 and offer the fairlead that passes through with 51 current supply cables that align 40 of boring a hole.Cable 40 is drawn from fairlead.Draw a seat end of 10 and be provided with the end of thread that is connected for casing wall 50, draw 10 and be threaded with casing wall 50.Draw seat 10 and be tubular.In the preferred embodiments of the present invention one, the internal face of drawing seat 10 is provided with the first groove 11; Preferably, the quantity of the first groove 11 is two, and two the first grooves 11 are arranged symmetrically with respect to cable 40.In the preferred embodiments of the present invention two, the internal face of drawing seat 10 is provided with the second boss; Preferably, the quantity of the second boss is two, and two the second boss are arranged symmetrically with respect to cable 40.
The first end of pressed joint 30 is fastened on draws in the seat 10, and pressed joint 30 is circumferentially fixed with drawing seat 10, and the lateral wall of pressed joint 30 adapts with the structure of the madial wall of drawing seat 10.In the preferred embodiments of the present invention one, the lateral wall of pressed joint 30 is provided with the first boss 31 that cooperates with the first groove 11; Preferably, the quantity of the first boss 31 is two, and two the first boss 31 are arranged symmetrically with respect to cable 40.In the preferred embodiments of the present invention two, the lateral wall of pressed joint 20 is provided with the second groove that matches with the second boss; Preferably, the quantity of the second groove is two, and two the second grooves are arranged symmetrically with respect to cable 40.The inside of pressed joint 30 is provided with cavity, and Stranded cable 40 passes cavity, is filled with resistant to elevated temperatures packing material 60 in the cavity, sealing near the cable 40.Preferably, the cavity of the inside of pressed joint 30 is conical cavity, to compress packing material 60, so that sealing effectiveness is better.
The second end in contact of clamp nut 20 and pressed joint 30, clamp nut 20 are threaded in draws on the seat 10.Clamp nut 20 offers and 51 fairleads that align of boring a hole, cable 40 through perforation, draw seat 10 fairlead,, the cavity of pressed joint 30, the fairlead of clamp nut 20 draw.Compress in the process of packing material 60 at clamp nut 20, clamp nut 20 screws downwards, but owing to drawing the circumferentially fixing of seat 10 and pressed joint 30, so that draw the seat 10 and pressed joint 30 can not rotate along with the rotation of clamp nut 20, thereby so that packing material 60 can not rotate, avoided cable 40 to be twisted into two parts.Clamp nut 20 compresses pressed joint 30, and pressed joint 30 compresses packing material 60, so that packing material 60 is pressed tightlyer, to improve the present invention's sealing problem under high pressure.
As can be seen from the above description, the preferred embodiments of the present invention have following beneficial effect:
The present invention is by arranging pressed joint, and clamp nut compresses pressed joint; Pressed joint is circumferentially fixed with drawing seat, so that pressed joint does not rotate along with the rotation of clamp nut, has avoided cable to be twisted into two parts; So that packing material is pressed tightlyer, improved the present invention's sealing property under high pressure simultaneously; And the present invention is simple in structure, easy accessibility.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing,, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the densification device of a Stranded cable of drawing for perforation, comprise being installed in perforation (51) locates draw seat (10) and be threadedly connected to described clamp nut (20) of drawing on the seat (10), described drawing all offers the fairlead that the described cable of confession (40) that aligns with described perforation (51) passes through on (10) and the described clamp nut (20); It is characterized in that,
Described densification device also comprises and is sheathed on the described cable (40) and the described circumferentially fixing pressed joint (30) of seat (10) of drawing, the first end of described pressed joint (30) is arranged in described drawing in the seat (10), and the second end contacts with described clamp nut (20).
2. densification device according to claim 1 is characterized in that, the lateral wall of described pressed joint (30) is provided with the first boss (31), and described madial wall of drawing seat (10) is provided with the first groove (11) that cooperates with described the first boss (31).
3. densification device according to claim 2 is characterized in that, the quantity of described the first boss (31) is two, and described two the first boss (31) are arranged symmetrically with respect to described cable (40).
4. densification device according to claim 1 is characterized in that, the periphery circle of described pressed joint (30) is provided with the second groove, and described madial wall of drawing seat (10) is provided with the second boss with described the second groove fit.
5. densification device according to claim 4 is characterized in that, the quantity of described the second boss is two, and described two the second boss are arranged symmetrically with respect to described cable (40).
6. densification device according to claim 1 is characterized in that, the described seat (10) of drawing is provided with the end of thread that is connected for the casing wall (50) with described perforation (51) place.
7. densification device according to claim 1 is characterized in that, described pressed joint (30) and described draw to fill between the seat (10) be provided with resistant to elevated temperatures packing material (60).
8. densification device according to claim 7 is characterized in that, described pressed joint (30) inside is provided with conical cavity, and described packing material (60) is filled described cavity.
CN201210430594.0A 2012-11-01 2012-11-01 For the densification device of the Stranded cable that perforation is drawn Active CN102889619B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210430594.0A CN102889619B (en) 2012-11-01 2012-11-01 For the densification device of the Stranded cable that perforation is drawn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210430594.0A CN102889619B (en) 2012-11-01 2012-11-01 For the densification device of the Stranded cable that perforation is drawn

Publications (2)

Publication Number Publication Date
CN102889619A true CN102889619A (en) 2013-01-23
CN102889619B CN102889619B (en) 2015-09-16

Family

ID=47533220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210430594.0A Active CN102889619B (en) 2012-11-01 2012-11-01 For the densification device of the Stranded cable that perforation is drawn

Country Status (1)

Country Link
CN (1) CN102889619B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113349845A (en) * 2021-05-17 2021-09-07 上海汇禾医疗科技有限公司 Locking device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2484685Y (en) * 2001-06-15 2002-04-03 曹巍 Cable connector sealing protective cover
DE102008042991A1 (en) * 2008-10-21 2010-04-22 Robert Bosch Gmbh Cable duct sealing device for electrical connection cable used for contacting sensor element of exhaust gas sensor, has sealing body integratedly connected with cable and including undercut for fastening body to duct
CN201521717U (en) * 2009-07-28 2010-07-07 中冶南方工程技术有限公司 Cable lead-in wire seal device under vacuum positive pressure and negative pressure
CN201821062U (en) * 2010-06-30 2011-05-04 健和兴端子股份有限公司 Waterproof junction box and waterproof connector composition inside waterproof junction box
CN102589731A (en) * 2012-02-29 2012-07-18 永济新时速电机电器有限责任公司 Plug-type temperature sensor
CN202473422U (en) * 2012-01-11 2012-10-03 安徽五洲特种电缆集团有限公司 Flat cable sheath extrusion die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2484685Y (en) * 2001-06-15 2002-04-03 曹巍 Cable connector sealing protective cover
DE102008042991A1 (en) * 2008-10-21 2010-04-22 Robert Bosch Gmbh Cable duct sealing device for electrical connection cable used for contacting sensor element of exhaust gas sensor, has sealing body integratedly connected with cable and including undercut for fastening body to duct
CN201521717U (en) * 2009-07-28 2010-07-07 中冶南方工程技术有限公司 Cable lead-in wire seal device under vacuum positive pressure and negative pressure
CN201821062U (en) * 2010-06-30 2011-05-04 健和兴端子股份有限公司 Waterproof junction box and waterproof connector composition inside waterproof junction box
CN202473422U (en) * 2012-01-11 2012-10-03 安徽五洲特种电缆集团有限公司 Flat cable sheath extrusion die
CN102589731A (en) * 2012-02-29 2012-07-18 永济新时速电机电器有限责任公司 Plug-type temperature sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113349845A (en) * 2021-05-17 2021-09-07 上海汇禾医疗科技有限公司 Locking device

Also Published As

Publication number Publication date
CN102889619B (en) 2015-09-16

Similar Documents

Publication Publication Date Title
CN201383665Y (en) Elbow type cable connector
CN202333397U (en) Electrical communicating device for measuring while drilling
CN102946081B (en) Cable composite-joint for coiled tubing drilling
CN103267934A (en) Portable direct current test discharging rod
CN102889619A (en) Sealing device of multi-stranded cable aiming at perforation lead-out
CN102694299A (en) Metal wire clip of tail end fixing cable
CN202188923U (en) Tile temperature measurement special-purpose thermal resistor
CN107834754A (en) A kind of electric outlet structure of vacuum sealing
CN206891606U (en) The separable temperature sensor of one kind inserting
CN203690668U (en) Covering plate for slip ring of fiber bundle brush
CN204677546U (en) Hydraulic test joint
CN203287474U (en) Portable-type direct-current test discharge rod
CN202601942U (en) Metal cable clamp for fixing cable at tail end
CN204179367U (en) Anti-loose wire harness fixed cover
CN203053707U (en) Testing lead mounting seat structure
CN202810941U (en) Continuous tube circuit shunt device
CN213845627U (en) Miniature electrophoresis connects
CN104993434A (en) Cable connecting structure
CN203858040U (en) Temperature acquisition head used for cable connection
CN205537725U (en) Multi -functional portable sensor tester's dustproof construction
CN202487957U (en) Plug tool of electric connector
CN202231400U (en) Cable pressing and fixing device
CN211178840U (en) A connect for powder pipeline pressure detection
CN205104673U (en) Oil blanket electrically conducts screw
CN203747058U (en) Elastic crimp connector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant