CN103762446A - Protection structure and waterproof and dampproof treatment method for grounding position of cable - Google Patents
Protection structure and waterproof and dampproof treatment method for grounding position of cable Download PDFInfo
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- CN103762446A CN103762446A CN201410031559.0A CN201410031559A CN103762446A CN 103762446 A CN103762446 A CN 103762446A CN 201410031559 A CN201410031559 A CN 201410031559A CN 103762446 A CN103762446 A CN 103762446A
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- guard shield
- cable
- ground connection
- adhesive tape
- sealing gasket
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Abstract
The invention discloses a protection structure for a grounding position of a cable. The protection structure comprises metal foil and an insulation protection shell, a sealing gasket is arranged on the inner side of the protection shell, the inner surface of the sealing gasket and the outer surface of adhesive tape are coated with trigger layers in advance, and adhesives are arranged between the outer surface of the adhesive tape and the inner surface of the sealing gasket. The invention further discloses a waterproof and dampproof treatment method for the grounding position of the cable. The method comprises the following steps that a, the grounding position of the cable is wrapped by the metal foil; b, the outer surface of the adhesive tape and the inner surface of the sealing gasket are coated with the trigger layers in advance; c, the adhesive tape is wound around the outer surface of the metal foil; d, the outer side of the adhesive tape or the inner side of the sealing gasket is coated with the adhesives; e, the protection shell is arranged on the periphery of the metal foil. The protection structure and waterproof and dampproof treatment method are simple in structure, convenient and fast to use, good in waterproof and dampproof effect, strong in universality and good in safety performance, effectively prevent the cable from being corroded, are long in service life, improve power transmission efficiency and avoid resource waste.
Description
Technical field
The present invention relates to power supply technical field, be specifically related to the safeguard structure at cable ground connection position and waterproof, moistureproof processing method.
Background technology
Guarantee that power network safety operation is very important, it is bad that cable connects processing, can produce to people, live and bring a lot of puzzlements, even has potential safety hazard.The existing cable with sheath only carries out simple waterproof, moistureproof processing at ground connection place, as the electrical adhesive tape of frequent use, during low temperature, understand hardening, become fragile, high temperature is deliquescing, the impact of being expanded with heat and contract with cold, and not only waterproof, moisture effect are bad, and grown service time can be aging due to electrical adhesive tape, thereby cause cable ground connection position perishable, affect its conductivity, allow to shorten the useful life of cable.
Summary of the invention
One of task of the present invention is to provide a kind of simple in structure, easy to use, and waterproof, moisture effect are good, highly versatile, fail safe is good, effectively prevents cable corrosion, long service life, improves power transmission efficiency, avoids the safeguard structure at the cable ground connection position of the wasting of resources; Two of task of the present invention is to provide waterproof, the moistureproof processing method at a kind of easy operating, waterproof, cable ground connection position that moisture effect is good.
The present invention realizes by following technical proposals:
The waterproof at cable ground connection position, moisture-proof construction, comprise the guard shield of metal forming and insulation, it is characterized in that: described metal forming is wrapped on cable ground connection position while using, on the outer surface of the metal forming after parcel, be wound with adhesive tape, the winding scope of adhesive tape is extended to the cable sheath outside outer end, ground connection position from metal forming, guard shield is enclosed in the periphery of the metal forming after parcel while using, its two ends are separately positioned on the cable sheath outside two outer ends, cable ground connection position, the inner side of described guard shield two outer ends is provided with sealing gasket, the external dimensions of sealing gasket and guard shield inside dimension adapt, both tight fits, the inside dimension of sealing gasket is slightly larger than the external diameter of cable, the surface that sealing gasket contacts with guard shield is its outer surface, relative surface is its inner surface, the outer surface tight fit of the inner surface of sealing gasket and adhesive tape, adhesive tape is polymer flexible glue band, the inner surface of sealing gasket and the outer surface of adhesive tape scribble one deck in advance makes its respective surfaces produce the trigger layer of activation free radical, trigger layer comprises initator and catalyst, during use, between the outer surface of adhesive tape and the inner surface of sealing gasket, be provided with adhesive, activation free radical contacts with adhesive, between sealing gasket and adhesive tape, react and form moistureproof fine and close polymer network layer.
Described metal forming is aluminium foil, Copper Foil, silver foil, goldleaf, metallic conduction composite foil or its assembly paper tinsel; The parcel scope of metal forming is greater than the length at described ground connection position, metal forming extends on the described cable sheath outside two outer ends, ground connection position, described adhesive tape is wrapped in metal forming after parcel and the intersection of cable sheath, covers termination and the cable sheath of the metal forming of intersection both sides simultaneously; Or the parcel scope of metal forming is equal to or slightly less than the length at ground connection position, the outer surface tight fit at the inner surface of the metal forming after parcel and cable ground connection position, when adhesive tape is wrapped between metal forming after parcel and cable sheath, it stretches out and is wound in cable sheath and metal forming.
Described sealing gasket is rubber blanket, and described adhesive is organic-silicon-modified auto crosslinking binder.
Described adhesive is organosilicon-modified acrylic glue.
Described initator is cumyl peroxide, and its precoating amount is 0.05-5g/m
2.
Described catalyst is Dibutyltin oxide, and its precoating amount is 0.01-2g/m
2.
Described adhesive tape is polyvinyl chloride rubber belt or polyester tape.
Described guard shield is opposite guard shield, comprises at least two involutory point shells, and a point shell is fixed by retaining mechanism, the involutory rear formation both ends open of guard shield, the cable passing cavity of side-closed;
Described guard shield comprises interconnective outer end guard shield and middle guard shield, outer end guard shield is arranged on the described cable sheath outside outer end, described cable ground connection position while using, covering cable line ground connection position when middle guard shield is used; Between middle guard shield and outer end guard shield and between two adjacent point of shells of middle guard shield, be provided with sealing joint strip.
Described outer end guard shield comprises two, and the two ends of described middle guard shield are one end near middle guard shield of coated two outer end guard shields respectively, and the external diameter of the internal diameter of middle guard shield and outer end guard shield adapts, both tight fits; One end of point shell of middle guard shield is hinged with same outer end guard shield respectively; Described sealing gasket comprises multiple points of pads, and each point of pad is arranged on point shell inner side of outer end guard shield accordingly, and after point shell of outer end guard shield is involutory, a point pad for sealing gasket is combined to form the circular line cavity of crossing accordingly.
The waterproof at cable ground connection position, moistureproof processing method, is characterized in that: comprise the steps: a, wrap up described cable ground connection position by described metal forming; B, at the inner surface precoating trigger layer of described adhesive tape outer surface and described sealing gasket; On the outer surface of c, the metal forming after parcel, be wound around adhesive tape; The outside of d, the adhesive tape after winding or the inner side that scribbles the sealing gasket of trigger layer are coated with adhesive described in one deck; E, more described guard shield is set to the periphery of the metal forming after parcel, its two ends are separately positioned on the cable sheath outside two outer ends, cable ground connection position, the corresponding and adhesive tape tight fit of sealing gasket in it.
The present invention has the following advantages: simple in structure, easy to use, waterproof, moisture effect are good, highly versatile, and fail safe is good, effectively prevents cable corrosion, and long service life, improves power transmission efficiency, avoids the wasting of resources.
Accompanying drawing explanation
Fig. 1 is the use status architecture schematic diagram of the safeguard structure at cable ground connection of the present invention position;
Fig. 2 be Fig. 1 open one of schematic diagram;
Fig. 3 be Fig. 1 open two of schematic diagram
Fig. 4 is the structural representation of the sealing gasket in Fig. 3;
Fig. 5 is the structural representation of the cable in Fig. 3;
Fig. 6 is one of structural representation after the cable coated metal paper tinsel in Fig. 5;
Fig. 7 is two of structural representation after the cable coated metal paper tinsel in Fig. 5;
Wherein: 1-metal forming, 2-guard shield, 21-outer end guard shield, guard shield in the middle of 22-, 3-cable ground connection position, 4-cable sheath, 5-adhesive tape, 6-sealing gasket, 7-retaining mechanism, 8-sealing joint strip.
Embodiment
Below in conjunction with accompanying drawing, the safeguard structure at cable ground connection of the present invention position is further described:
Embodiment 1:
The waterproof at cable ground connection position, moisture-proof construction, comprise the guard shield 2 of metal forming 1 and insulation, metal forming 1 is wrapped in while using on cable ground connection position 3, on the outer surface of the metal forming 1 after parcel, be wound with adhesive tape 5, the winding scope of adhesive tape 5 is extended to the cable sheath outside 3 outer ends, ground connection position from metal forming, guard shield 2 is enclosed in the periphery of the metal forming 1 after parcel while using, its two ends are separately positioned on the cable sheath 4 outside outer end, 3 liang, cable ground connection position, the inner side of 2 liang of outer ends of guard shield is provided with sealing gasket 6, the external dimensions of sealing gasket 6 and guard shield 2 inside dimensions adapt, both tight fits, the inside dimension of sealing gasket 6 is slightly larger than the external diameter of cable, the surface that sealing gasket 6 contacts with guard shield 2 is its outer surface, relative surface is its inner surface, the outer surface tight fit of the inner surface of sealing gasket 6 and adhesive tape 5, adhesive tape 5 is polymer flexible glue band 5, the outer surface of the inner surface of sealing gasket 6 and adhesive tape 5 scribbles one deck in advance makes its respective surfaces produce the trigger layer of activation free radical, trigger layer comprises initator and catalyst, during use, between the outer surface of adhesive tape 5 and the inner surface of sealing gasket 6, be provided with adhesive, the inner surface of the outer surface of adhesive tape 5 and sealing gasket 6 is close, the free radical of surface both contacts with adhesive, react, between sealing gasket 6 and adhesive tape 5, form moistureproof fine and close polymer network layer.
Wherein metal forming 1 is aluminium foil, Copper Foil, silver foil, goldleaf, metallic conduction composite foil or its assembly paper tinsel; The parcel scope of metal forming 1 is greater than the length at ground connection position 3, metal forming 1 extends on the cable sheath 4 outside outer end, 3 liang, ground connection position (as shown in Figure 6), adhesive tape 5 is wrapped in the intersection of metal forming after parcel 1 and cable sheath 4, covers termination and the cable sheath 4 of the metal forming 1 of intersection both sides simultaneously; Or the parcel scope of metal forming 1 is equal to or slightly less than the length (as shown in Figure 7) at ground connection position 3, the outer surface tight fit at the inner surface of the metal forming 1 after parcel and cable ground connection position 3, when adhesive tape 5 is wrapped between metal forming 1 after parcel and cable sheath 4, it stretches out and is wound in cable sheath 4 and metal forming 1.
Wherein sealing gasket 6 is rubber blanket, and adhesive is organic-silicon-modified auto crosslinking binder.
Wherein adhesive is organosilicon-modified acrylic glue, and initator is preferably cumyl peroxide, and its precoating amount is 0.05-5g/m
2, catalyst is preferably Dibutyltin oxide, and its precoating amount is 0.01-2g/m
2, adhesive tape 5 is preferably polyvinyl chloride rubber belt or polyester tape.
Wherein guard shield 2 is opposite guard shield 2, comprises at least two involutory point shells, and point shell is fixing by retaining mechanism 7, the involutory rear formation both ends open of guard shield 2, the cable passing cavity of side-closed;
Wherein guard shield 2 comprises interconnective outer end guard shield 21 and middle guard shield 22, outer end guard shield 21 is arranged on while using on the cable sheath 4 outside 3 outer ends, cable ground connection position, covering cable line ground connection position 3 when middle guard shield 22 is used; Middle guard shield 22 comprises point shell of at least two middle guard shields, between middle guard shield 22 and outer end guard shield 21 and between two adjacent point of shells of middle guard shield 22, is being provided with sealing joint strip 8.
Wherein outer end guard shield 21 comprises two, the two ends of middle guard shield 22 are one end near middle guard shield 22 of coated two outer end guard shields 21 respectively, the middle internal diameter of guard shield 22 and the external diameter of outer end guard shield 21 adapt, both tight fits; One end of point shell of middle guard shield is hinged with same outer end guard shield 21 respectively; Sealing gasket 6 comprises multiple points of pads, and each point of pad is arranged on point shell inner side of outer end guard shield 21 accordingly, and after point shell of outer end guard shield 21 is involutory, a point pad for sealing gasket 6 is combined to form the circular line cavity of crossing accordingly.
During use, first at cable ground connection position coated metal paper tinsel, then be wound around adhesive tape outward in metal forming, then guard shield is set.The sealing gasket of adhesive tape and guard shield inner side scribbles trigger layer in advance.The sealing gasket surface or the tape surface that arrange before guard shield therein arrange adhesive.When guard shield is arranged on to adhesive tape periphery, the activation free radical on the silicon in adhesive and bonding bilateral base material (adhesive tape and sealing gasket) the surface formation compacted zone that reacts, realize effective surface binded, realize surperficial seamless waterproof, moistureproof processing, auto crosslinking binder self is also at free radical, under the effect of airborne oxygen and moisture, there is cross-linking reaction, form fine and close polymer network layer, realize the waterproof of adhesive phase, moistureproof, therefore, waterproof of the present invention, moisture effect is good, fail safe is good, effectively prevent cable corrosion, long service life, improve power transmission efficiency, avoid the wasting of resources.
Use the safeguard structure at aforementioned electric cable ground connection position to carry out waterproof, moistureproof processing method, can comprise the steps: a, wrap up cable ground connection position 3 by metal forming 1; B, at the inner surface precoating trigger layer of adhesive tape outer surface and sealing gasket; On the outer surface of c, the metal forming after parcel 1, be wound around polymer adhesive tape 5; The outside of d, the adhesive tape after winding 5 or scribble trigger layer sealing gasket inner side be coated with layer of adhesive; E, guard shield is set to the periphery of the metal forming 1 after parcel, its two ends are separately positioned on the cable sheath 4 outside outer end, 3 liang, cable ground connection position again, the corresponding and adhesive tape tight fit of sealing gasket in it.
Claims (10)
1. the waterproof at cable ground connection position, moisture-proof construction, comprise the guard shield (2) of metal forming (1) and insulation, it is characterized in that: described metal forming (1) is wrapped on cable ground connection position (3) while using, on the outer surface of the metal forming (1) after parcel, be wound with adhesive tape (5), the winding scope of adhesive tape (5) is extended to the cable sheath outside outer end, ground connection position (3) from metal forming, guard shield (2) is enclosed in the periphery of the metal forming (1) after parcel while using, its two ends are separately positioned on the cable sheath (4) outside (3) two outer ends, cable ground connection position, the inner side of described guard shield (2) two outer ends is provided with sealing gasket (6), the external dimensions of sealing gasket (6) and guard shield (2) inside dimension adapt, both tight fits, the inside dimension of sealing gasket (6) is slightly larger than the external diameter of cable, the surface that sealing gasket (6) contacts with guard shield (2) is its outer surface, relative surface is its inner surface, the outer surface tight fit of the inner surface of sealing gasket (6) and adhesive tape (5), adhesive tape (5) is polymer flexible glue band, the outer surface of the inner surface of sealing gasket (6) and adhesive tape (5) scribbles one deck in advance makes its respective surfaces produce the trigger layer of activation free radical, trigger layer comprises initator and catalyst, during use, between the outer surface of adhesive tape (5) and the inner surface of sealing gasket (6), be provided with adhesive, activation free radical contacts with adhesive, between sealing gasket (6) and adhesive tape (5), react and form moistureproof fine and close polymer network layer.
2. waterproof, the moisture-proof construction at cable ground connection according to claim 1 position, is characterized in that: described metal forming (1) is aluminium foil, Copper Foil, silver foil, goldleaf, metallic conduction composite foil or its assembly paper tinsel; The parcel scope of metal forming (1) is greater than the length at described ground connection position (3), metal forming (1) extends on the described cable sheath (4) outside (3) two outer ends, ground connection position, described adhesive tape (5) is wrapped in the intersection of metal forming (1) after parcel and cable sheath (4), covers termination and the cable sheath (4) of the metal forming (1) of intersection both sides simultaneously; Or the parcel scope of metal forming (1) is equal to or slightly less than the length of ground connection position (3), the inner surface of the metal forming (1) after parcel and the outer surface tight fit at cable ground connection position (3), when adhesive tape (5) is wrapped between metal forming (1) after parcel and cable sheath (4), it stretches out and is wound in cable sheath (4) and metal forming (1); Described sealing gasket (6) is rubber blanket, and described adhesive is organic-silicon-modified auto crosslinking binder.
3. the safeguard structure at cable ground connection according to claim 2 position, is characterized in that: described adhesive is organosilicon-modified acrylic glue.
4. the safeguard structure at cable ground connection according to claim 3 position, is characterized in that: described initator is cumyl peroxide, its precoating amount is 0.05-5g/m
2.
5. the safeguard structure at cable ground connection according to claim 4 position, is characterized in that: described catalyst is Dibutyltin oxide, its precoating amount is 0.01-2g/m
2.
6. the safeguard structure at cable ground connection according to claim 5 position, is characterized in that: described adhesive tape (5) is polyvinyl chloride rubber belt or polyester tape.
7. according to the safeguard structure at the cable ground connection position described in arbitrary claim in claim 1 to 6, it is characterized in that: described guard shield (2) is opposite guard shield, comprise at least two involutory point shells, divide shell fixing by retaining mechanism (7), the involutory rear formation both ends open of guard shield (2), the cable passing cavity of side-closed.
8. the safeguard structure at cable ground connection according to claim 7 position, it is characterized in that: described guard shield (2) comprises interconnective outer end guard shield (21) and middle guard shield (22), outer end guard shield (21) is arranged on while using on the described cable sheath (4) outside outer end, described cable ground connection position (3), when middle guard shield (22) is used covering cable line ground connection position (3); Between middle guard shield (22) and outer end guard shield (21) and between two adjacent point of shells of middle guard shield (22), be provided with sealing joint strip (8).
9. the safeguard structure at cable ground connection according to claim 8 position, it is characterized in that: described outer end guard shield (21) comprises two, one end near middle guard shield (22) of coated two outer end guard shields (21) respectively, the two ends of guard shield (22) in the middle of described, the internal diameter of middle guard shield (22) and the external diameter of outer end guard shield (21) adapt, both tight fits; One end of point shell of middle guard shield is hinged with same outer end guard shield (21) respectively; Described sealing gasket (6) comprises multiple points of pads, and each point of pad is arranged on point shell inner side of outer end guard shield (21) accordingly, and after point shell of outer end guard shield (21) is involutory, a point pad for sealing gasket is combined to form the circular line cavity of crossing accordingly.
10. according to waterproof, the moistureproof processing method at the cable ground connection position described in arbitrary claim in claim 1 to 9, it is characterized in that: comprise the steps: a, wrap up described cable ground connection position (3) by described metal forming (1); B, at the outer surface of described adhesive tape (5) and the inner surface precoating trigger layer of described sealing gasket; On the outer surface of c, the metal forming after parcel (1), be wound around adhesive tape (5); The outside of d, the adhesive tape after winding (5) or the inner side that scribbles the sealing gasket of trigger layer are coated with adhesive described in one deck; E, more described guard shield (2) is set to the periphery of the metal forming (1) after parcel, it is upper that its two ends are separately positioned on cable sheath (4) outside (3) two outer ends, cable ground connection position, the corresponding and adhesive tape tight fit of the sealing gasket of its inner side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031559.0A CN103762446B (en) | 2014-01-23 | 2014-01-23 | The safeguard structure at cable ground connection position and waterproof, Moistureproof treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031559.0A CN103762446B (en) | 2014-01-23 | 2014-01-23 | The safeguard structure at cable ground connection position and waterproof, Moistureproof treatment method |
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| CN103762446A true CN103762446A (en) | 2014-04-30 |
| CN103762446B CN103762446B (en) | 2016-06-22 |
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| CN201410031559.0A Active CN103762446B (en) | 2014-01-23 | 2014-01-23 | The safeguard structure at cable ground connection position and waterproof, Moistureproof treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980572A (en) * | 2019-03-19 | 2019-07-05 | 江苏利宏原电力科技有限公司 | A kind of power grid fall to power protective device and installation and application |
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| CN102683995A (en) * | 2012-05-17 | 2012-09-19 | 遵义精星航天电器有限责任公司 | Water-seal electric connector |
| CN103094775A (en) * | 2013-01-31 | 2013-05-08 | 广州番禺电缆集团有限公司 | Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position |
| CN103117480A (en) * | 2013-01-31 | 2013-05-22 | 广州番禺电缆集团有限公司 | Combined set and method for waterproof and moisture-proof handling of bare cable connections |
| CN203135096U (en) * | 2013-01-31 | 2013-08-14 | 广州番禺电缆集团有限公司 | Waterproof and moistureproof external member for cable conductor wiring nude position |
| CN203166206U (en) * | 2013-01-31 | 2013-08-28 | 广州番禺电缆集团有限公司 | Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position |
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2014
- 2014-01-23 CN CN201410031559.0A patent/CN103762446B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683995A (en) * | 2012-05-17 | 2012-09-19 | 遵义精星航天电器有限责任公司 | Water-seal electric connector |
| CN103094775A (en) * | 2013-01-31 | 2013-05-08 | 广州番禺电缆集团有限公司 | Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position |
| CN103117480A (en) * | 2013-01-31 | 2013-05-22 | 广州番禺电缆集团有限公司 | Combined set and method for waterproof and moisture-proof handling of bare cable connections |
| CN203135096U (en) * | 2013-01-31 | 2013-08-14 | 广州番禺电缆集团有限公司 | Waterproof and moistureproof external member for cable conductor wiring nude position |
| CN203166206U (en) * | 2013-01-31 | 2013-08-28 | 广州番禺电缆集团有限公司 | Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109980572A (en) * | 2019-03-19 | 2019-07-05 | 江苏利宏原电力科技有限公司 | A kind of power grid fall to power protective device and installation and application |
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| Publication number | Publication date |
|---|---|
| CN103762446B (en) | 2016-06-22 |
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