CN2609251Y - Cold enclosed cable underground connection device - Google Patents
Cold enclosed cable underground connection device Download PDFInfo
- Publication number
- CN2609251Y CN2609251Y CN 03242065 CN03242065U CN2609251Y CN 2609251 Y CN2609251 Y CN 2609251Y CN 03242065 CN03242065 CN 03242065 CN 03242065 U CN03242065 U CN 03242065U CN 2609251 Y CN2609251 Y CN 2609251Y
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- China
- Prior art keywords
- cable
- splice tray
- steel band
- connecting box
- band fixed
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- Expired - Fee Related
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Abstract
The utility model provides a cold seal type cable underground interconnecting device, comprising an insulating sealing glue 7 and a cable metal strip fixing connecting frame groupware. A clip 12 connects and fixes a metal shield net 11 and an aluminum cover 10; the connecting box body comprises a connecting box upper petal 1 and a connecting box lower petal 2; the two sides of the upper part of the connecting box 1 are respectively provided with a glue injecting hole groupware 3; the brims of the connecting box upper petal 1 and the connecting box lower petal 2 are provided with a sealing groove channel which is internally added with a sealing glue tape 16; the connecting box upper petal 1 and the connecting box lower petal 2 are fixed by a stainless steel ring 5; a changeable diameter sealing ring 4 is inserted in the two end grooves of the connecting box body; a core wire joint 14 is arranged in the connecting box body. The utility model adopts special insulating glue injected cable underground interconnecting device; the shell body and the insulating sealing glue are made of transparent material, convenient for observing in the cable connecting process so as to guarantee the connecting quality. The utility model does not need heat source when connecting and does not be limited by the climate condition, suit for the cable of any insulating structure and material.
Description
(1) technical field: the utility model relates to a kind of cable splice device, underground material and the technology that continues and can be referred to as the cold enclosed cable splice of relatively hot Heat-Shrinkable Tubings type.The underground connection device of particularly a kind of cold enclosed cable, it is applicable to the cable of any insulation system and material.
(2) background technology: traditional signal cable continues and adopts cast iron cable box ground continuation method, protection against the tide, and anti-dust performance is poor; Binding post in the box, the easy oxidation corrosion of cable core causes electrical characteristic to descend; And needing periodical inspection and maintenance, management is inconvenient; Subject to artificial destruction; Have a strong impact on the safe and reliable operation of signalling arrangement.Along with the railway signal automation, the informationization technology develop rapidly, the consumption of cable is more and more big, and its security reliability and quality aspect have been proposed requirements at the higher level, and traditional ground splice tray has been difficult to meet the demands.Underground material and the technology of continuing of the railway signal cable thermal shrinkable sleeve cast of promoting the use of at present, it has overcome all drawbacks that continue and exist in ground, obtains good economy and society benefit.Its main technical principle: utilize the adhesion strength of the thermal shrinkage force and the heat-shrinkable T bush inner surface heat colloidal sol of heat-shrinkable T bush, make the cable that continues have good sealing, protection against the tide, waterproof and antiseptic property, kept the original electrical characteristic of cable.Need use blowtorch during operation, heating tools such as electron gas welding gun are had relatively high expectations to operator's technological level, and weather conditions (as the wind-force size) have considerable influence to connecting quality.For novel railway signal digital cable, because the heart yearn employing is polyethylene foamed insulation (skin-bubble-Pi insulation system), at high temperature its physical structure will change, and influence insulation property, also be not suitable for adopting the continuation method of pyrocondensation technology.
(3) summary of the invention: the purpose of this utility model is the underground connection device of developing at above deficiency of a kind of cold enclosed cable, wherein mainly comprise: electric insulating sealant 7 and cable steel band fixed connecting frame assembly, larynx hoop 12 is connected and fixed metallic shield net 11 and aluminium sheath 10, the splice tray box body is made up of splice tray epivalve 1 and splice tray hypovalve 2, respectively there is a hole for injecting glue assembly 3 on the both sides, top of splice tray epivalve 1, there is the sealing conduit at the edge of splice tray epivalve 1 and splice tray hypovalve 2, add sealing joint strip 16 in the sealing conduit, splice tray epivalve 1 and splice tray hypovalve 2 are fixing by stainless steel garter spring 5, but reducing sealing ring 4 is inlaid in the groove at splice tray box body two ends, and heart yearn joint 14 is contained in the splice tray box body.It is the underground connection device of cable that adopts special insulating cement perfusion, and the housing of this product and electric insulating sealant are to adopt transparent material, is convenient to observe in the cable splice process, to guarantee connecting quality.Do not need thermal source when continuing, be not subjected to the weather condition restriction, be applicable to the cable of any insulation system and material, easy and simple to handle, overcome the underground condition restriction that continues of thermal shrinkable sleeve cast, the novel continuation method that complements one another with it.
Below the good effect that this product is compared with the existing cable splice tray is described with table 1:
Table 1
| Sequence number | Project | A. continue in cast iron cable box ground | B. the thermal shrinkable sleeve cast is underground continues | C. the underground connection device of cold enclosed cable | |
| 1 | Mounting means | On the | Underground | Underground | |
| 2 | Waterproof, humidity resistance | Difference | Good | Good | |
| 3 | The protection mode | Single-stage | Keep the multistage protection of cable original structure | Keep cable original structure intensity to be higher than former cable | |
| 4 | Shock resistance | Difference | Generally | By | |
| 5 | Operating procedure | The technological requirement height | Complicated | Simply | |
| 6 | The scope of application | Generally | Generally | Wide | |
| 7 | Fail safe | Subject to destroy | | Safety | |
| 8 | Emergency first-aid repair | Slowly | Comparatively fast | Hurry up | |
| 9 | Safeguard | Periodic maintenance | Non-maintaining | Non-maintaining | |
| 10 | Weight | Heavy | Gently | Gently | |
| 11 | Volume | Greatly | Little | Little |
(4) description of drawings
Fig. 1 is a contour structures schematic diagram of the present utility model.
Fig. 2 is a structural representation of the present utility model.
The connection diagram of Fig. 3 cable steel band of the present utility model fixed frame assembly and steel band fixed frame connecting rod.
The assembling schematic diagram of Fig. 4 the utility model steel band fixed frame assembly.
(5) embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1,2,3,4.Referring to Fig. 2, the splice tray box body of the underground connection device of cold enclosed cable is a fabricated construction, is made up of splice tray epivalve 1 and splice tray hypovalve 2.Respectively there is a hole for injecting glue assembly 3 on the both sides, top of splice tray epivalve 1, and it is to be used for the perfusion of electric insulating sealant 7 and the exhaust in when perfusion.The edge of splice tray epivalve 1 and splice tray hypovalve 2 is carved with the sealing conduit, is used to install additional sealing joint strip 16, compresses the back and realizes sealing.Splice tray epivalve 1 and splice tray hypovalve 2 are fastening by stainless steel garter spring 5.Referring to Fig. 1,2, but cable 8 introduce via reducing sealing ring 4, but and compress sealing by reducing sealing ring 4.But reducing sealing ring 4 is to make with silicon rubber, and the reducing scope is 43 millimeters of 13 ∽, but reducing sealing ring 4 is inlaid in the groove at splice tray box body two ends.During concrete operations, cut reducing sealing ring 4, to satisfy the introducing sealing of any specification cable but can repair according to the diameter of cable 8.Referring to Fig. 3,4, cable steel band fixed connecting frame assembly is made up of steel band fixed frame 18, steel band fixed frame connecting rod 19 and steel band fixed frame compressing tablet 17, two steel band fixed frames 18 are to connect the upper and lower steel band fixed frame compressing tablet 17 that has respectively by screw of each steel band fixed frame 18 by two steel band fixed frame connecting rods 19.Referring to Fig. 4, cable 8 is penetrated in the steel band fixed frame 18, again cable steel band 15 is rolled over 180 ° backward, make cable steel band 15 and steel band fixed frame 18 closely connected, steel band fixed frame compressing tablet 17 is compressed cable steel band 15, and fastening with screw, this structure also plays the fixation to cable 8 when shielding connects.Referring to Fig. 2, metallic shield net 11 is housed on the cable core 13, larynx hoop 12 is connected and fixed metallic shield net 11 and aluminium sheath 10.Heart yearn joint 14 is housed in the splice tray box body, and it is to adopt the insulation crimp type terminal cable core 13 that continues.
Shown in Fig. 1,2,3,4, below will use the operating process of this device to be described as follows:
1. open the stripping cable
At 180 millimeters places of distance cable socket, with electrician's knife ring cutting one week of cable, vertically cut to the end to cable end again, take cable jacket off.At 70 millimeters places of distance cable jacket otch, with hacksaw ring cutting 10 1 weeks of aluminium sheath, when saw be deeply aluminium sheath 10 thickness 2/3rds the time, the aluminium sheath 10 that fractures, and, expose cable core 13 with its extraction.At 30 millimeters places of distance cable 8 oversheath otch, with the electrician's knife ring cutting and remove PVC sheath 9, expose aluminium sheath 10.Cable 8 neck bushs keep about 10 millimeters, protection cable core 13.With cotton yarn or tape filling aluminum sheath 10 and cable core 13
Between the space, electric insulating sealant 7 flows into when preventing to pour into.
But the 2. processing of reducing sealing ring 4 and installation
According to the diameter of cable 8, but the part of reducing sealing ring 4 less than cable 8 external diameters cut out, penetrate cable 8.But clean wiping with penetrating the oversheath of reducing sealing ring 4 with the cable 8 of interior part.
3. the shielding of cable steel band 15 connects
With the root of cable steel band 15 iron wire colligation 3-5 circle with 1.2 millimeters, cable steel band 15 hackings penetrate in the steel band fixed frame 18 after cleaning, roll over 180 ° backward, make cable steel band 15 and steel band fixed frame 18 closely connected, by steel band fixed frame compressing tablet 17 cable steel band 15 is fastened on the steel band fixed frame 18 then.After treating that aluminium sheath 10 hackings clean, metallic shield net 11 is enclosed within on the aluminium sheath 10.Metallic shield net 11 is all pushed on one side earlier, exposed cable core 13 and prepare to continue.
4. heart yearn continues
Stripping out length with wire stripping pliers is 15 millimeters bare copper wires, and two heart yearns to be continued penetrate in the line ball ring from two ends respectively, checks that the bare copper wire part is overlapping in the line ball ring, with special-purpose Crimping Pliers crimping.Treat whole heart yearns continue finish after, check that to check line group line right, guarantee that wiring is correct.
5. the installation of splice tray
After heart yearn continues and finishes, metallic shield net 11 is ended other end electrical cable aluminium sheath 10 places along cable core 13 stretchings, with larynx hoop 12 that two ends are fastening, the shielding of finishing electrical cable aluminium sheath 10 connects.Steel band fixed frame connecting rod 19 is installed, and the shielding that constitutes cable steel band 15 is communicated with.But adjust reducing sealing ring 4 positions, but reducing sealing ring 4 is accurately embedded in the splice tray box body groove, steel band fixed frame 18 drops on the stop step 6.There is the sealing conduit at the edge of splice tray epivalve 1 and splice tray hypovalve 2, is embedded in sealing joint strip 16 at sealed groove, and splice tray epivalve 1 is in place with splice tray hypovalve 2, with stainless steel garter spring 5 fit sealings.
6. pour into fluid sealant
After the assembling of splice tray box body finishes, can carry out the inner encapsulating of box body.Two hole for injecting glue assemblies 3 are turned on, injected from hole for injecting glue assembly 3 mixing the electric insulating sealant 7 for preparing on request.During injecting glue, one of them of two hole for injecting glue assemblies 3 is to be used for injecting glue, and another is as steam vent.After treating that the interior space of splice tray box body is all filled, again two hole for injecting glue assemblies, 3 usefulness nuts are screwed on.
Claims (2)
1, the underground connection device of a kind of cold enclosed cable, mainly comprise: electric insulating sealant (7) and cable steel band fixed connecting frame assembly, larynx hoop (12) is connected and fixed metallic shield net (11) and aluminium sheath (10), it is characterized in that: the splice tray box body is made up of splice tray epivalve (1) and splice tray hypovalve (2), respectively there is a hole for injecting glue assembly (3) on the both sides, top of splice tray epivalve (1), there is the sealing conduit at the edge of splice tray epivalve (1) and splice tray hypovalve (2), in the sealing conduit sealing joint strip 16 is housed, splice tray epivalve (1) and splice tray hypovalve (2) are fixing by stainless steel garter spring (5), but reducing sealing ring (4) is inlaid in the groove at splice tray box body two ends, and heart yearn joint (14) is contained in the splice tray box body.
2, the underground connection device of cold enclosed cable according to claim 1, it is characterized in that: cable steel band fixed connecting frame assembly is made up of steel band fixed frame (18), steel band fixed frame connecting rod (19) and steel band fixed frame compressing tablet (17), two steel band fixed frames (18) are to connect the upper and lower steel band fixed frame compressing tablet (17) that has respectively by screw of each steel band fixed frame (18) by two steel band fixed frame connecting rods (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03242065 CN2609251Y (en) | 2003-03-24 | 2003-03-24 | Cold enclosed cable underground connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03242065 CN2609251Y (en) | 2003-03-24 | 2003-03-24 | Cold enclosed cable underground connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2609251Y true CN2609251Y (en) | 2004-03-31 |
Family
ID=34168565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03242065 Expired - Fee Related CN2609251Y (en) | 2003-03-24 | 2003-03-24 | Cold enclosed cable underground connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2609251Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176549A (en) * | 2010-12-30 | 2011-09-07 | 蔡彭博 | Transparent security box of cable intermediate head |
| CN103762542A (en) * | 2013-11-26 | 2014-04-30 | 宁波东昊电缆附件有限公司 | Copper shell of cable intermediate joint |
| CN103795019A (en) * | 2013-11-26 | 2014-05-14 | 宁波东昊电缆附件有限公司 | Crosslinked cable intermediate joint copper shell |
| CN107068279A (en) * | 2017-05-03 | 2017-08-18 | 上海贝恩科电缆有限公司 | Cable reinforces bridging bar |
| CN108963952A (en) * | 2018-06-29 | 2018-12-07 | 中海油能源发展股份有限公司 | A kind of oil-submersible cable connector and its application method |
-
2003
- 2003-03-24 CN CN 03242065 patent/CN2609251Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176549A (en) * | 2010-12-30 | 2011-09-07 | 蔡彭博 | Transparent security box of cable intermediate head |
| CN103762542A (en) * | 2013-11-26 | 2014-04-30 | 宁波东昊电缆附件有限公司 | Copper shell of cable intermediate joint |
| CN103795019A (en) * | 2013-11-26 | 2014-05-14 | 宁波东昊电缆附件有限公司 | Crosslinked cable intermediate joint copper shell |
| CN107068279A (en) * | 2017-05-03 | 2017-08-18 | 上海贝恩科电缆有限公司 | Cable reinforces bridging bar |
| CN107068279B (en) * | 2017-05-03 | 2023-08-11 | 上海贝恩科电缆有限公司 | Cable reinforcement cross-connecting rod |
| CN108963952A (en) * | 2018-06-29 | 2018-12-07 | 中海油能源发展股份有限公司 | A kind of oil-submersible cable connector and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040331 Termination date: 20110324 |