CN102889619B - For the densification device of the Stranded cable that perforation is drawn - Google Patents
For the densification device of the Stranded cable that perforation is drawn Download PDFInfo
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- CN102889619B CN102889619B CN201210430594.0A CN201210430594A CN102889619B CN 102889619 B CN102889619 B CN 102889619B CN 201210430594 A CN201210430594 A CN 201210430594A CN 102889619 B CN102889619 B CN 102889619B
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- seat
- cable
- pressed joint
- clamp nut
- boss
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Abstract
The invention discloses a kind of densification device of the Stranded cable for perforation extraction, comprise the extraction seat being installed in perforation place and the clamp nut be threadedly connected on extraction seat, draw fairlead seat and clamp nut all offering and passes through with the current supply cable that aligns of boring a hole, densification device also comprises the pressed joint fixing with drawing seat circumference be sheathed on cable, the first end of pressed joint is arranged in draws in seat, and the second end contacts with clamp nut.The present invention is by arranging a pressed joint, and clamp nut compresses pressed joint; Pressed joint is fixing with extraction seat circumference, pressed joint is not rotated along with the rotation of clamp nut, avoids cable and twisted into two parts; Make packing material be pressed tighter simultaneously, improve the present invention's sealing property under high pressure; And structure of the present invention is simple, easy accessibility.
Description
Technical field
The present invention relates to gas-turbine unit field, especially, relate to a kind of densification device of the Stranded cable for perforation extraction.
Background technology
In gas-turbine unit development process, often need test combustion chamber components performance, test and analyze, especially combustor exit temperature field is accurately detected, by arranging that at combustor exit thermoprobe is to obtain more accurate temperature profile data, detecting combustor exit temperature field and whether meet designing requirement, how this draws the Stranded cable of measuring tempeature if just relating to.
Current Main draws seat at combustion box wall welding galvanic couple, compresses packing material by the conical surface.And when adopting galvanic couple to draw seat, high-pressure situations seal performance is poor, in the process compressed, follow clamping nut due to packing material rotate, thus cause electric cable rotary, and under high pressure, packing material must be pressed tighter, 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 solving prior art.
For achieving the above object, the invention provides a kind of densification device of the cable for perforation extraction, comprise the extraction seat being installed in perforation place and the clamp nut be threadedly connected on extraction seat, draw fairlead seat and clamp nut all offering and passes through with the current supply cable that aligns of boring a hole, densification device also comprises the pressed joint fixing with drawing seat circumference be sheathed on cable, the first end of pressed joint is arranged in draws in 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 coordinated with the first boss.
Further, the quantity of the first boss is two, and two the first boss are arranged symmetrically with relative 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 relative to cable.
Further, extraction seat is provided with the end of thread for being connected with the casing wall at perforation place.
Further, pressed joint and draw to fill between seat and be provided with resistant to elevated temperatures packing material.
Further, pressed joint inside is provided with conical cavity, 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 fixing with extraction seat circumference, pressed joint is not rotated along with the rotation of clamp nut, avoids cable and twisted into two parts; Make packing material be pressed tighter simultaneously, improve the present invention's sealing property under high pressure; And structure of the present invention is simple, easy accessibility.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the densification device of the Stranded cable for perforation extraction of the preferred embodiment of the present invention; And
Fig. 2 is the cross-sectional schematic in the A-A face shown in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 1, the preferred embodiments of the present invention provide a kind of densification device of the Stranded cable for perforation extraction, comprise the extraction seat 10 being installed in perforation 51 place and the clamp nut 20 be threadedly connected on extraction seat 10, draw on seat 10 and clamp nut 20 and all offer the fairlead passed through with 51 current supply cables alignd 40 of boring a hole, densification device also comprises the pressed joint 30 fixing with drawing seat 10 circumference be sheathed on cable 40, the first end of pressed joint 30 is arranged in draws in seat 10, and the second end contacts with clamp nut 20.Structure of the present invention is simple, easy accessibility and seal tight.
Densification device of the present invention is mounted on casing wall 50, and the centre of casing wall 50 is provided with perforation 51, and cable 40 is drawn from perforation 51.
Incorporated by reference to see Fig. 2, draw seat 10 and be arranged in the perforation 51 of casing wall 50, draw on seat 10 and offer the fairlead passed through with 51 current supply cables alignd 40 of boring a hole.Cable 40 is drawn from fairlead.One end of extraction seat 10 is provided with the end of thread for being connected with casing wall 50, draws seat 10 and is threaded with casing wall 50.Draw seat 10 in 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 relative 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 relative to cable 40.
The first end of pressed joint 30 is fastened on draws in seat 10, and pressed joint 30 is fixing with extraction seat 10 circumference, 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 coordinated 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 relative 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 matched with the second boss; Preferably, the quantity of the second groove is two, and two the second grooves are arranged symmetrically with relative to cable 40.The inside of pressed joint 30 is provided with cavity, and Stranded cable 40, through cavity, is filled with resistant to elevated temperatures packing material 60 in cavity, to seal near cable 40.Preferably, the cavity of the inside of pressed joint 30 is conical cavity, to compress packing material 60, makes sealing effectiveness better.
Second end in contact of clamp nut 20 and pressed joint 30, clamp nut 20 is threaded in draws on seat 10.Clamp nut 20 offers and 51 fairleads alignd of boring a hole, cable 40 perforated, draw seat 10 fairlead, the fairlead of the cavity of pressed joint 30, clamp nut 20 draws.Compress in the process of packing material 60 at clamp nut 20, clamp nut 20 screws downwards, but because the circumference of drawing seat 10 and pressed joint 30 is fixed, extraction seat 10 and pressed joint 30 can not be rotated along with the rotation of clamp nut 20, thus packing material 60 can not be rotated, avoid cable 40 and twisted into two parts.Clamp nut 20 compresses pressed joint 30, and pressed joint 30 compresses packing material 60, makes packing material 60 press tighter, 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 fixing with extraction seat circumference, pressed joint is not rotated along with the rotation of clamp nut, avoids cable and twisted into two parts; Make packing material be pressed tighter simultaneously, improve the present invention's sealing property under high pressure; And structure of the present invention is simple, easy accessibility.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, 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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the densification device of a Stranded cable of drawing for perforation, described Stranded cable is for detecting the combustor exit temperature field of gas-turbine unit, described densification device comprises the extraction seat (10) being installed in perforation (51) place and the clamp nut (20) be threadedly connected on described extraction seat (10), described extraction seat (10) and described clamp nut (20) all offers the fairlead that the described cable of confession (40) that aligns with described perforation (51) passes through; It is characterized in that,
Described densification device also comprises the pressed joint (30) fixing with described extraction seat (10) circumference be sheathed on described cable (40), the first end of described pressed joint (30) is arranged in described extraction seat (10), and the second end contacts with described clamp nut (20); Fill between described pressed joint (30) and described extraction seat (10) and be provided with resistant to elevated temperatures packing material (60);
Described extraction seat (10) is provided with the end of thread for being connected with the casing wall (50) at described perforation (51) place.
2. densification device according to claim 1, it is characterized in that, the lateral wall of described pressed joint (30) is provided with the first boss (31), and the madial wall of described extraction seat (10) is provided with the first groove (11) coordinated with described first boss (31).
3. densification device according to claim 2, is characterized in that, the quantity of described first boss (31) is two, and described two the first boss (31) are arranged symmetrically with relative 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 the madial wall of described extraction seat (10) is provided with the second boss with described second groove fit.
5. densification device according to claim 4, is characterized in that, the quantity of described second boss is two, and described two the second boss are arranged symmetrically with relative to described cable (40).
6. densification device according to claim 1, is characterized in that, described pressed joint (30) inside is provided with conical cavity, and described cavity filled by described packing material (60).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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 |
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CN102889619A CN102889619A (en) | 2013-01-23 |
CN102889619B true CN102889619B (en) | 2015-09-16 |
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CN201210430594.0A Active CN102889619B (en) | 2012-11-01 | 2012-11-01 | For the densification device of the Stranded cable that perforation is drawn |
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CN113349845B (en) * | 2021-05-17 | 2022-12-09 | 上海汇禾医疗科技有限公司 | Locking device |
Citations (5)
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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 |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2012
- 2012-11-01 CN CN201210430594.0A patent/CN102889619B/en active Active
Patent Citations (5)
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 |
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 |
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CN102889619A (en) | 2013-01-23 |
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