CN203366861U - Cable aluminum sleeve preheating device - Google Patents
Cable aluminum sleeve preheating device Download PDFInfo
- Publication number
- CN203366861U CN203366861U CN 201320404818 CN201320404818U CN203366861U CN 203366861 U CN203366861 U CN 203366861U CN 201320404818 CN201320404818 CN 201320404818 CN 201320404818 U CN201320404818 U CN 201320404818U CN 203366861 U CN203366861 U CN 203366861U
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- support
- air pressure
- cable
- preheating device
- thermoplastic air
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Abstract
The utility model discloses a cable aluminum sleeve preheating device for solving the problem that a cable aluminum sleeve cannot be preheated due to a lack of reliable and effective device in the prior art, and belongs to the field of high-voltage cable manufacturing. The cable aluminum sleeve preheating device comprises a base, a support and at least one thermoplastic air gun, wherein the support is arranged on the base, and the thermoplastic air gun is arranged on the support. The aluminum sleeve of a high-voltage cable is preheated by the provided device before being coated by an asphalt oversheath so that the aluminum sleeve is uniformly heated, the temperature is suitable, and the coating leakage and advance coagulation of asphalt on the surface of the aluminum sleeve can be effectively prevented.
Description
Technical field
The utility model relates to the high-tension cable production field, particularly a kind of cable aluminium cover preheating device.
Background technology
Generally when producing high-tension cable, can outside the aluminium cover of high-tension cable, apply again one deck bitumen layer, to reach the anticorrosion effect that waits.In prior art, in the outer method that applies the pitch oversheath of the aluminium of high-tension cable cover generally: after using argon arc welding or extruding on the cable core of technique at high-tension cable and make aluminium and overlap, the high-tension cable semi-finished product of metallized aluminum sheath pass through the hard pitch cylinder by traction, hard pitch is wrapped up in and be attached to aluminium cover surface, then extruding rapidly oversheath by plastic extruding machine, to enter tank cooling again, the formation anticorrosive coat that condenses after hard pitch is cooling, finally the finished product high-tension cable that coats pitch and oversheath around upper take-up reel.
The above-mentioned this commonly used method that applies the pitch oversheath outside cable aluminium cover has defect: when ambient temperature is low, the aluminium of semi-finished product high-tension cable overlaps that often temperature is lower, after the high-tension cable of metallized aluminum sheath immerses hard pitch, because the aluminium sleeving temperature is lower, part pitch can be caught a cold and be condensed in aluminium cover surface and become caking, this causes pitch evenly to apply, and caking even may occur and come off and cause the phenomenon of pitch holiday.These situations all can make the antiseptic effect of bitumen layer descend.For this reason, this area need to be researched and developed a kind of not only reliable but also outer method that applies the pitch oversheath of cable aluminium cover easily conscientiously.
The utility model content
The purpose that the utility model will reach is to provide a kind of cable aluminium cover preheating device, for cable aluminium cover is outer apply asphalt corrosion resistant layer before electric heating cable aluminium cover in advance, the phenomenons such as the pitch caking that can avoid causing because the aluminium sleeving temperature of high-tension cable is too low, pitch holiday.
In order to achieve the above object, the present invention adopts following technical scheme: cable aluminium cover preheating device, comprise base, support and at least one the thermoplastic air pressure gun, and support is arranged on base, and the thermoplastic air pressure gun is arranged on support.
Further, comprise four described thermoplastic air pressure guns, the hot blast that the air outlet of each thermoplastic air pressure gun goes out all blows to cable aluminium cover surface.The point that high-tension cable converges through hot blast, four the aluminium cover of thermoplastic air pressure gun while with the hot-air pre-heating high-tension cable, prevents that the hot blast of a thermoplastic air pressure gun from can't make aluminium overlap full and uniform preheating.
Further, described support is circular, four described thermoplastic air pressure gun along the support spaced set on support, the hot blast that each thermoplastic air pressure gun goes out blows to through the cable aluminium in circle ring rack center of circle cover surface.Circular support can bear larger external force and indeformable, guarantees the work quality of preheating device.
Further, described support is square, and four are arranged at respectively the mid point of support four edges to described thermoplastic air pressure gun, and the air-out direction of each thermoplastic air pressure gun is perpendicular to the limit of thermoplastic air pressure gun place support, and the hot blast of each thermoplastic air pressure gun all blows to cable aluminium cover surface.The support of square can guarantee to be heated evenly through the aluminium cover of high-tension cable wherein equally, and the support of square processing simultaneously is simple, and production cost is low.
Further, described base comprises expansion link, and described support is arranged on the expansion link of base, and expansion link is regulated the height of support.The height of adjustable frames, thus the position of hot blast convergent point changed, thus adapt to the needs of different production environments.
After adopting technique scheme, the utlity model has following advantage:
Before the aluminium cover coating pitch oversheath of high-tension cable, by the preheating of this device, the aluminium cover is heated evenly, and temperature is suitable, effectively avoids pitch to overlap surperficial holiday, condense in advance at aluminium.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The schematic diagram that Fig. 1 is a kind of embodiment of the utility model;
Fig. 2 is use state diagram embodiment illustrated in fig. 1.
Embodiment
Embodiment mono-
See Fig. 1, preheating device comprises that base 1, support 2 and four are thermoplastic air pressure gun 3, and support 2 is arranged on base 1, and four are arranged on thermoplastic air pressure gun 3 respectively on support 2, and four thermoplastic air pressure gun 3 present positions by support 2 quarterings.The center of circle of the equal subtend support 2 of the air outlet of each thermoplastic air pressure gun 3, thus four hot blasts that thermoplastic air pressure gun 3 is gone out converge to a place, and four all can blow out the hot blast of 70 ℃-90 ℃ to thermoplastic air pressure gun 3.Cable 4 externally under the traction of hauling machine (not shown) through the center of circle of support 2, the position that hot blast converges, thus make the aluminium cover of cable 4 be subject to Hot-blast Heating from four direction, be heated evenly.
See Fig. 2, after cable 4 is subject to the preheating device preheating, immerses in the pitch cylinder 5 that hard pitch is housed and apply bitumen layer, because the aluminium cover has been preheating to preference temperature, pitch can not overlap surface at aluminium and condense in advance.
Base 1 comprises expansion link 6, and support 2 is arranged on expansion link 6, and the length of adjustable telescopic rod 6 can change the height of support 2, thereby adapts to the needs of different production environments.
Circular support 2 can bear larger external force and indeformable, guarantees the work quality of preheating device.
After emitting from pay off rack with the cable of aluminium cover, use the aluminium cover of preheating device with the hot-air pre-heating cable of 80 ℃, thereby the cable after the preheating of aluminium cover is immersed the pitch cylinder that hard pitch is housed and overlaps outer surface coated with high temperature pitch at the aluminium of cable by the front haulage machine travel, after hard pitch in the pitch cylinder is coated on the aluminium cover outer surface of cable, cable enters extruder, extruder is at bitumen layer outer wrapping oversheath, and the bitumen layer that puts of the aluminium of extruded cable eliminates the bubble in bitumen layer, make the bitumen layer surfacing; It is cooling that the tank of cooling water is equipped with in cable immersion from extruder passes, and bitumen layer and oversheath that the aluminium of cable is put are solid; Until bitumen layer and oversheath solid after, cable passes and is involved in take-up reel by the rear haulage machine travel from tank.
The process that adds the aluminium cover of pre-electric heating cable in the operation that applies bitumen layer, before making aluminium be enclosed within cable to immerse hard pitch, temperature reaches requirement, thereby can not cause that pitch overlaps the problem of surface condensation, holiday at aluminium when the coated with high temperature bitumen layer because of the aluminium sleeving temperature is too low.
Embodiment bis-
Different from embodiment mono-is, the support of preheating device is square, four thermoplastic air pressure guns are arranged at respectively the mid point of support four edges, and the air-out direction of each thermoplastic air pressure gun is perpendicular to the limit of the support at thermoplastic air pressure gun place, thereby the hot blast that four thermoplastic air pressure guns are gone out converges to a bit equally.The support processing of square is simple, and production cost is low.
Except above preferred embodiment, the utility model also has other execution mode, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (5)
1. cable aluminium overlaps preheating device, it is characterized in that: comprise base (1), support (2) and at least one thermoplastic air pressure gun (3), it is upper that support (2) is arranged on base (1), and thermoplastic air pressure gun (3) is arranged on support (2).
2. cable aluminium according to claim 1 overlaps preheating device, it is characterized in that: comprise four described thermoplastic air pressure guns (3), the hot blast that the air outlet of each thermoplastic air pressure gun (3) goes out all blows to cable aluminium cover surface.
3. cable aluminium according to claim 2 overlaps preheating device, it is characterized in that: described support (2) is circular, four described thermoplastic air pressure guns (3) are upper along support (2) spaced set in support (2), and the hot blast that each thermoplastic air pressure gun (3) goes out blows to the cable aluminium cover surface through circle ring rack (2) center of circle.
4. cable aluminium according to claim 2 overlaps preheating device, it is characterized in that: described support (2) is square, four described thermoplastic air pressure guns (3) are arranged at respectively the mid point of support (2) four edges, and the air-out direction of each thermoplastic air pressure gun (3) is perpendicular to the limit of thermoplastic air pressure gun (3) place support, and the hot blast of each thermoplastic air pressure gun (3) all blows to cable aluminium cover surface.
5. according to the arbitrary described cable aluminium cover preheating device of claim 1-4, it is characterized in that: described base (1) comprises expansion link (6), described support (2) is arranged on the expansion link (6) of base (1), and expansion link (6) is regulated the height of support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320404818 CN203366861U (en) | 2013-07-09 | 2013-07-09 | Cable aluminum sleeve preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320404818 CN203366861U (en) | 2013-07-09 | 2013-07-09 | Cable aluminum sleeve preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366861U true CN203366861U (en) | 2013-12-25 |
Family
ID=49814590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320404818 Expired - Fee Related CN203366861U (en) | 2013-07-09 | 2013-07-09 | Cable aluminum sleeve preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203366861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400663A (en) * | 2013-07-09 | 2013-11-20 | 浙江晨光电缆股份有限公司 | Aluminum cable sheath preheating device and method for coating outer cable sheath under assistance of aluminum cable sheath preheating device |
-
2013
- 2013-07-09 CN CN 201320404818 patent/CN203366861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400663A (en) * | 2013-07-09 | 2013-11-20 | 浙江晨光电缆股份有限公司 | Aluminum cable sheath preheating device and method for coating outer cable sheath under assistance of aluminum cable sheath preheating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160709 |