CN103579987A - Anti-explosion cable joint sealing method - Google Patents
Anti-explosion cable joint sealing method Download PDFInfo
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- CN103579987A CN103579987A CN201310522785.4A CN201310522785A CN103579987A CN 103579987 A CN103579987 A CN 103579987A CN 201310522785 A CN201310522785 A CN 201310522785A CN 103579987 A CN103579987 A CN 103579987A
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Abstract
The invention relates to an anti-explosion cable joint sealing method. The anti-explosion cable joint sealing method is characterized in that an adopted anti-explosion cable joint mainly comprises an outer gland body, an inner gland body, an inner sleeve and a locking ring sleeve; the upper portion of the outer gland body and the lower portion of the inner gland body are connected through inner threads and outer threads to tightly clamp the inner conical face of the locking ring sleeve to the outer conical surface of the inner sleeve; the clearance between the inner sleeve and a cable core is filled with cement gum, and the front end of the cement gum is pinched into a conical shape; the cement gum is completely squeezed to the cable outlet of the inner gland body by tightening the outer gland body and the inner gland body, still standing is carried out on the anti-explosion cable joint after being filled with the cement gum for 50-65 minutes, and then the anti-explosion cable joint is disassembled to check whether sealing is thorough; lastly room-temperature solidification is carried out after the anti-explosion cable joint is reassembled. The anti-explosion cable joint sealing method has the advantages that the anti-explosion cable joint can be sufficiently filled with the cement gum, construction quality is high, and sealing performance is good, the problem of zone crossing caused by the sealing of the cable is solved effectively, and the advantages of being strong in sealing performance, high in fireproof performance, good in safety performance and the like are achieved.
Description
Technical field
The present invention relates to a kind of cable joint installation method, particularly a kind of anti-explosion cable joint sealing method.
Background technology
Cable joint Cable join has another name called Glan Cable gland, is widely used in that plant equipment is electric, the fixing and protection of the electric wire of marine electrical equipment, corrosion protection equipment.
Its Main Function is the fastening of cable and sealing, the electric Glan that also has some Code in Hazardous Special Locations to use.As the Waterproof connector of cable of shielding, the applicable cable with screen; Be applicable to the anti-explosion cable water joint of the deathtraps such as mine etc.
In marine oil and gas and petrochemical iy produced process, relate to dangerous Production Regional.Domestic for explosion-proof area, use common explosion-proof Glan, but in the situation that requirement of explosion proof is high, common Glan locking cable cannot reach effective sealing, particularly multicore cable and often cannot seal completely, between core and core, there is gap, after peelling off exterior insulation cover, so just likely form explosive source (gas, liquid, solid) Cuan district (as Fig. 1), produces thread environment to technique and causes potential risk.
Novel explosion-proof Grange utilization is filled clay and is sealed to avoid above-mentioned defect of altering district, but also there is certain defect: adopt the new type explosion proof Glan of filling clay sealing when construction, direct-on-line core line outlet plug clay, easily exist part filler incomplete, be difficult to guarantee construction quality, and under burning sun direct projection, can produce crack, useful life is short.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of fill clay completely, the anti-explosion cable joint sealing method of good seal performance.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of anti-explosion cable joint sealing method, its innovative point is: the anti-explosion cable joint of employing mainly comprises an outer Glan body, this outer Glan body is one to have the tubular body of step-like endoporus A, and the tubular body inner surface of this endoporus A macropore side arranges internal thread; This interior Glan body of one interior Glan body is one to have the tubular body of step-like endoporus B, and the tubular body outer surface of this endoporus B macropore side arranges the external screw thread with the pairing of described internal thread; One inner sleeve, this inner sleeve one end has an outer conical surface, and this end is equipped with a locking ring set, and this binding ring cover has an internal conical surface matching with outer conical surface; The top of outer Glan body is connected the internal conical surface of locking ring set is clamped in the outer conical surface of inner sleeve by internal and external screw thread with interior Glan body bottom;
Anti-explosion cable joint sealing method:
Step S1: first outward winding interior Glan body and outer Glan body, anti-explosion cable joint is divided into outer Glan body, locking ring set, and inner sleeve, interior Glan body two parts, and then the internal conical surface that makes to lock ring set leaves the outer conical surface of inner sleeve;
Step S2: from outer to inner successively cable insulation, armour, sheath are pushed aside, and made armature of cable layer, sheath and core successively along stretching out on cable axle;
Step S3: successively through stretching in inner sleeve after outer Glan body, locking ring set, push the front end sheath of cable aside armour, the armour outside sheath is enclosed within the outer conical surface of inner sleeve bottom;
Step S4: tighten outer Glan body and interior Glan body, outer Glan body coordinates binding ring cover is pressed in the outer conical surface of inner sleeve with interior Glan body, and then clamp armour by locking ring set internal conical surface and inner sleeve outer conical surface;
Step S5: again outward winding outer Glan body and interior Glan body, make each strand core expose inner sleeve; Guarantee that binding ring is locked is tight against inner sleeve simultaneously, and armour is evenly distributed in the outer conical surface of inner sleeve;
Step S6: each core is to radiation and evenly separates;
Step S7: start to fill clay in the gap between inner sleeve and core, do not exist and contact with other core until core is independent in clay;
Step S8: core is smoothed out with the fingers directly, clay is fully filled, and clay front end is pinched tapered;
Step S9: outer Glan body and interior Glan body are tightened, clay is extruded into interior Glan body line outlet completely, and additional clay is cleaned out;
Step S10: by the standing 50 ~ 65Min of anti-explosion cable joint filling after clay;
Step S11: outward winding again outer Glan body and interior Glan body, check the clay exposing outside inner sleeve, guarantee that the clay sealing between inner sleeve, core is complete;
Step S12: re-assembly outer Glan body and interior Glan body, and twist with spanner, make its complete locking cable;
Step S13: the clay of anti-explosion cable joint at normal temperatures 4 ~ 5h is completely curing, completes installation.
The invention has the advantages that: can in anti-explosion cable joint, fully fill clay, construction quality is high, good seal performance; The features such as efficiently solve cable seal and cause Cuan district problem, possess sealing property strong, fire protecting performance is high, and security performance is good, have good application prospect in the high places of deathtrap requirement of explosion proof such as petrochemical industry, oil-gas field developments.
Accompanying drawing explanation
Fig. 1 is anti-explosion cable joint design schematic diagram in the present invention.
Fig. 2 ~ 8 are anti-explosion cable joint sealing construction schematic diagram in the present invention.
Embodiment
Fig. 1 shows the anti-explosion cable joint design adopting in the present invention, and it comprises
One outer Glan body 1, this outer Glan body 1 is one to have the tubular body of step-like endoporus A, the tubular body inner surface of this endoporus A macropore side arranges internal thread.
One interior Glan body 2, this interior Glan body 2 is one to have the tubular body of step-like endoporus B, the tubular body outer surface of this endoporus B macropore side arranges the external screw thread with the pairing of described internal thread.
One inner sleeve 3, these inner sleeve 3 one end have an outer conical surface, and this end is equipped with a locking ring set 4, and this locking ring set 4 has an internal conical surface matching with outer conical surface; The top of outer Glan body 1 is connected the internal conical surface of locking ring set 4 is clamped in the outer conical surface of inner sleeve 3 by internal and external screw thread with interior Glan body 2 bottom.
Anti-explosion cable joint sealing method:
Step S1: first outward winding interior Glan body 2 and outer Glan body 1, anti-explosion cable joint is divided into outer Glan body 1, locking ring set 4, and inner sleeve 3, interior Glan body 2 two parts, and then the internal conical surface that makes to lock ring set 4 leaves the outer conical surface of inner sleeve 3.
Step S2: as shown in Figure 2, from outer to inner successively cable insulation 5, armour 6, sheath 7 are pushed aside, and made armature of cable layer 6, sheath 7 and core 8 successively along stretching out on cable axle.
Step S3: as shown in Figure 3, successively through stretching in inner sleeve 3 after outer Glan body 1, locking ring set 4, push the front end sheath 7 of cable aside armour 6,6 of the armours outside sheath 7 are enclosed within the outer conical surface of inner sleeve 3 bottoms.
Step S4: as shown in Figure 4, tighten outer Glan body 1 and interior Glan body 2, outer Glan body 1 coordinates with interior Glan body 2 locking ring set 4 is pressed in the outer conical surface of inner sleeve 3, and then by locking ring set 4 internal conical surfaces and inner sleeve 3 outer conical surface clamping armours 6.
Step S5: as shown in Figure 5, again outward winding outer Glan body 1 and interior Glan body 2, make each strand core 8 expose inner sleeve 3; Guarantee to lock ring set 4 simultaneously and tightly prop up inner sleeve 3, armour 6 is evenly distributed in the outer conical surface of inner sleeve 3.
Step S6: as shown in Figure 6, each core 8 is to radiation and evenly separates.
Step S7: start to fill clay 9 in the gap between inner sleeve 3 and core 8, until core does not exist and contacts with other core in 9 li of independences of clay.
Step S8: as shown in Figure 7, core 8 is smoothed out with the fingers directly, clay is fully filled, and clay 9 front ends are pinched tapered.
Step S9: as shown in Figure 8, outer Glan body 1 and interior Glan body 2 are tightened, clay 9 is extruded into interior Glan body 2 line outlets completely, and additional clay is cleaned out.
Step S10: by the standing 50 ~ 65Min of anti-explosion cable joint filling after clay.
Step S11: outward winding again outer Glan body 1 and interior Glan body 2, check the clay 9 exposing outside inner sleeve 3, guarantee that clay 9 sealings between inner sleeve 3, core 8 are complete.
Step S12: re-assembly outer Glan body 1 and interior Glan body 2, and twist with spanner, make its complete locking cable.
Step S13: the clay of anti-explosion cable joint at normal temperatures 4 ~ 5h is completely curing, completes installation.
Claims (1)
1. an anti-explosion cable joint sealing method, is characterized in that: the anti-explosion cable joint of employing mainly comprises an outer Glan body, and this outer Glan body is one to have the tubular body of step-like endoporus A, and the tubular body inner surface of this endoporus A macropore side arranges internal thread; This interior Glan body of one interior Glan body is one to have the tubular body of step-like endoporus B, and the tubular body outer surface of this endoporus B macropore side arranges the external screw thread with the pairing of described internal thread; One inner sleeve, this inner sleeve one end has an outer conical surface, and this end is equipped with a locking ring set, and this binding ring cover has an internal conical surface matching with outer conical surface; The top of outer Glan body is connected the internal conical surface of locking ring set is clamped in the outer conical surface of inner sleeve by internal and external screw thread with interior Glan body bottom;
Anti-explosion cable joint sealing method:
Step S1: first outward winding interior Glan body and outer Glan body, anti-explosion cable joint is divided into outer Glan body, locking ring set, and inner sleeve, interior Glan body two parts, and then the internal conical surface that makes to lock ring set leaves the outer conical surface of inner sleeve;
Step S2: from outer to inner successively cable insulation, armour, sheath are pushed aside, and made armature of cable layer, sheath and core successively along stretching out on cable axle;
Step S3: successively through stretching in inner sleeve after outer Glan body, locking ring set, push the front end sheath of cable aside armour, the armour outside sheath is enclosed within the outer conical surface of inner sleeve bottom;
Step S4: tighten outer Glan body and interior Glan body, outer Glan body coordinates binding ring cover is pressed in the outer conical surface of inner sleeve with interior Glan body, and then clamp armour by locking ring set internal conical surface and inner sleeve outer conical surface;
Step S5: again outward winding outer Glan body and interior Glan body, make each strand core expose inner sleeve; Guarantee that binding ring is locked is tight against inner sleeve simultaneously, and armour is evenly distributed in the outer conical surface of inner sleeve;
Step S6: each core is to radiation and evenly separates;
Step S7: start to fill clay in the gap between inner sleeve and core, do not exist and contact with other core until core is independent in clay;
Step S8: core is smoothed out with the fingers directly, clay is fully filled, and clay front end is pinched tapered;
Step S9: outer Glan body and interior Glan body are tightened, clay is extruded into interior Glan body line outlet completely, and additional clay is cleaned out;
Step S10: by the standing 50 ~ 65Min of anti-explosion cable joint filling after clay;
Step S11: outward winding again outer Glan body and interior Glan body, check the clay exposing outside inner sleeve, guarantee that the clay sealing between inner sleeve, core is complete;
Step S12: re-assembly outer Glan body and interior Glan body, and twist with spanner, make its complete locking cable;
Step S13: the clay of anti-explosion cable joint at normal temperatures 4 ~ 5h is completely curing, completes installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522785.4A CN103579987B (en) | 2013-10-30 | 2013-10-30 | A kind of anti-explosion cable joint sealing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310522785.4A CN103579987B (en) | 2013-10-30 | 2013-10-30 | A kind of anti-explosion cable joint sealing method |
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| CN103579987A true CN103579987A (en) | 2014-02-12 |
| CN103579987B CN103579987B (en) | 2016-02-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510157A (en) * | 2018-11-21 | 2019-03-22 | 中海油天津化工研究设计院有限公司 | A kind of anti-explosion cable introducing device |
| CN110137896A (en) * | 2019-06-10 | 2019-08-16 | 烟台职业学院 | The fixed device in power cord junction and application method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111095707B (en) * | 2017-09-18 | 2021-08-20 | Cmp产品有限公司 | Apparatus for dispensing curable material into cable gland |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0803953A2 (en) * | 1996-04-19 | 1997-10-29 | U.I. Lapp Gmbh & Co. Kg | Cable gland |
| CN2487137Y (en) * | 2001-04-24 | 2002-04-17 | 国营启东防爆电器仪表厂 | Anti-explosion cable seal joint |
-
2013
- 2013-10-30 CN CN201310522785.4A patent/CN103579987B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0803953A2 (en) * | 1996-04-19 | 1997-10-29 | U.I. Lapp Gmbh & Co. Kg | Cable gland |
| CN2487137Y (en) * | 2001-04-24 | 2002-04-17 | 国营启东防爆电器仪表厂 | Anti-explosion cable seal joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510157A (en) * | 2018-11-21 | 2019-03-22 | 中海油天津化工研究设计院有限公司 | A kind of anti-explosion cable introducing device |
| CN110137896A (en) * | 2019-06-10 | 2019-08-16 | 烟台职业学院 | The fixed device in power cord junction and application method |
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| Publication number | Publication date |
|---|---|
| CN103579987B (en) | 2016-02-17 |
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| ASS | Succession or assignment of patent right |
Owner name: MORIMATSU (JIANGSU) HEAVY INDUSTRY CO., LTD. Free format text: FORMER OWNER: SENSONG (JIANGSU) OFFSHORE OIL ENGINEERING EQUIPMENT CO., LTD. Effective date: 20140910 |
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Free format text: CORRECT: ADDRESS; FROM: 226500 NANTONG, JIANGSU PROVINCE TO: 226532 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20140910 Address after: 226532, room 319, building 306, spring garden, Changjiang town (Rugao port area), Nantong, Jiangsu, Rugao Applicant after: Morimatsu (Jiangsu) Heavy Industry Co., Ltd. Address before: 226500, room 319, building 306, spring garden, Changjiang town (Rugao port area), Nantong, Jiangsu, Rugao Applicant before: Morimatsu (Jiangsu) CNOOC Engineering Equipment Co.,Ltd. |
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