CN204424828U - With the steel pipe type cable of stretching structure - Google Patents
With the steel pipe type cable of stretching structure Download PDFInfo
- Publication number
- CN204424828U CN204424828U CN201520074865.2U CN201520074865U CN204424828U CN 204424828 U CN204424828 U CN 204424828U CN 201520074865 U CN201520074865 U CN 201520074865U CN 204424828 U CN204424828 U CN 204424828U
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- conductor
- steel pipe
- pipe type
- type cable
- bellows
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Abstract
The utility model relates to a kind of steel pipe type cable with stretching structure.Comprise multistage steel pipe type cable, between adjacent steel pipe type cable, be provided with one section of scalable unit and detachable unit; Scalable unit comprises bellows, the center of bellows is provided with center conductor, detachable unit comprises housing, middle conductor is provided with in the inner chamber of housing, middle conductor comprises anteriomedial conductor, middle part middle conductor and rear portion middle conductor, center conductor is connected on the conductor at rear by middle conductor, and adopts the mode of grafting to be slidably connected between center conductor with anteriomedial conductor; Middle part middle conductor is connected by the mode be detachably separated with between anteriomedial conductor and rear portion middle conductor; The top of housing is provided with the top cover can opened, close.It had both solved the problem of the internal stress produced because of distortion, and when changing steel pipe type cable when needing repairing, by the detachable unit arranged simultaneously, can be convenient for changing damaged steel pipe type cable, replacement cost is low.
Description
Technical field
The utility model relates to a kind of steel pipe type cable, specifically a kind of steel pipe type cable with stretching structure.
Background technology
steel pipe type cable is that a kind of mounting means is comparatively flexible, and the current delivery equipment that security reliability is high is overhead transmission line and cable effectively supplementing at some special occasions, obtains in recent decades and develop widely and apply in the evolution of power industry.Because steel pipe type cable in engineering is often applied to long distance engineering, each air bound unit is combined by several standard paragraphs, and length can reach hundred meters.
In 1 year, summer is mutually far short of what is expected with the ambient temperature in winter, the rising-heat contracting-cold of steel pipe type cable grounding shell can be caused to change, deflection can reach tens millimeters, digested if will not take appropriate measures to the phenomenon of expanding with heat and contract with cold of steel pipe type cable or absorb and let alone freely to carry out, very large stress will be produced in the entire system, closely affect the reliability of whole steel pipe type cable operational system.
Steel pipe type cable belongs to non-maintaining equipment substantially, but according to practical operating experiences, still need to safeguard in special circumstances in steel pipe type cable engineering operation process, traditional maintenance mode is all the mode taking directly to change, but the structure of existing steel pipe type cable causes its detachability poor, and replacement cost is high.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of and can eliminate the internal stress produced because of distortion, thus improve steel pipe type cable reliability and the steel pipe type cable of the band stretching structure of convenient disassembly when safeguarding.
The steel pipe type cable of band stretching structure of the present utility model, comprises interconnective multistage steel pipe type cable, is provided with one section of scalable unit between described adjacent steel pipe type cable; Described scalable unit comprises bellows, the two ends of described bellows be connected respectively to be positioned at the steel pipe type cable in bellows front and the steel pipe type cable at rear housing on; The center of described bellows is provided with center conductor, and the two ends of described center conductor are connected respectively on the conductor of the two sections of steel pipe type cable in front and back, and described center conductor adopts the mode be slidably connected to connect with between the conductor in front or the conductor at rear.
Also be provided with one section of detachable unit between described adjacent steel pipe type cable, described detachable unit comprises housing, and the rear end of described bellows is connected on the housing of the steel pipe type cable at rear by housing; Middle conductor is provided with in the inner chamber of described housing, described middle conductor comprises anteriomedial conductor, middle part middle conductor and rear portion middle conductor, described center conductor is connected on the conductor at rear by middle conductor, and adopts the mode of grafting to be slidably connected between center conductor with anteriomedial conductor; Described middle part middle conductor is connected by the mode be detachably separated with between anteriomedial conductor and rear portion middle conductor; The top of described housing is provided with the top cover can opened, close.
Described scalable unit comprises the many guide posts being arranged on bellows, and the rear end of described guide post is fixed on the rear end of bellows, and front end is through the pilot hole being arranged on bellows front end; The leading portion of described guide post is thread segment; Be positioned at pilot hole front, the guide post part at rear is respectively arranged with locking nut.During installation, make to leave distance between described locking nut and pilot hole, provide space to the flexible of steel pipe type cable housing, prevent the screw thread destroying guide post.The effect of guide post is to support bellows, prevents bellows from bending, and then makes connection more solid and reliable.
Described middle part middle conductor is T-shaped structure, rear end and the front end of rear portion middle conductor of described anteriomedial conductor are respectively arranged with the step surface matched with middle part middle conductor front/rear end, by bolt, middle part middle conductor is arranged on the rear end of anteriomedial conductor and the front end of rear portion middle conductor, remove and install all very convenient, during dismounting, by disassembling bolts, take out middle part middle conductor, for in unloading process, the movement of each conductor leaves space, be convenient for changing damaged steel pipe type cable.Save replacement cost.
Disc insulator is respectively arranged with, for steel pipe type cable inner chamber and scalable unit and detachable unit being separated between the steel pipe type cable in described front and bellows and between housing and the steel pipe type cable at rear.
The utility model is provided with scalable unit and detachable unit between two sections of steel pipe type cable, both the problem of the internal stress produced because of the distortion of steel pipe cable jacket had been solved, when changing steel pipe type cable when needing repairing simultaneously, by the detachable unit arranged, can be convenient for changing damaged steel pipe type cable, replacement cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in the figure: a kind of steel pipe type cable with stretching structure, comprise interconnective multistage steel pipe type cable 1, be provided with one section between described adjacent steel pipe type cable 1 and be positioned at the scalable unit 2 in front and be positioned at the detachable unit 3 at rear; Described scalable unit 2 comprises bellows 4, and described detachable unit 3 comprises housing 7.
The front and back end of described bellows 4 and housing 7 is respectively arranged with end flange 15, and the front end flange of described bellows 4 is connected with the rear end flanges of steel pipe type cable 1 housing in front, and is provided with disc insulator 14 between two end flange.The rear end flanges of described bellows 4 is connected with the front end flange of housing 7.The rear end flanges of described housing 7 is connected with the front end flange of steel pipe type cable 1 housing at rear, and is provided with disc insulator 14 between two flanges.
The center of described bellows 4 is provided with center conductor 5, is provided with middle conductor in the inner chamber of described housing 7, and described middle conductor comprises anteriomedial conductor 9, middle part middle conductor 10 and rear portion middle conductor 11.Be inter-connected via a bolt joint between the conductor 6 of the front end of described center conductor 5 and the steel pipe type cable 1 in front, be inter-connected via a bolt joint between the conductor 6 of the steel pipe type cable 1 at described rear portion middle conductor 11 and rear.
Described middle part middle conductor 10 is T-shaped structure, rear end and the front end of rear portion middle conductor 11 of described anteriomedial conductor 9 are respectively arranged with the step surface matched with middle part middle conductor 10 front/rear end, by bolt, middle part middle conductor 10 are arranged on the rear end of anteriomedial conductor 9 and the front end of rear portion middle conductor 11.Slidably be connected by elasticity fingertip between center conductor 5 with anteriomedial conductor 9;
The top of described housing 7 is provided with the top cover 8 can opened, close.
Described scalable unit 2 comprises the many guide posts 12 being arranged on bellows 4 periphery, and leading portion and the back segment of described guide post 12 are respectively thread segment; The rear end of described guide post 12 is fixed on by locking nut in the flange hole of bellows 4 rear end, and front end is through being arranged in the pilot hole of flange of bellows 4 front end; Be positioned at this pilot hole front, guide post 12 part at rear is respectively arranged with locking nut 13.After installing bellows 4, locking nut 13 is unscrewed, makes to leave a segment distance between the locking nut 13 of pilot hole both sides and pilot hole, avoid steel pipe type cable 1 due to temperature stretch time, the screw thread on guide post 12 can not be damaged.
During repair demolition, open top cover 8, disassemble bolt, middle part middle conductor 10 is taken out, leave space to the dismounting between conductor, thus steel pipe type cable 1 can be changed easily.
Claims (6)
1. the steel pipe type cable with stretching structure, comprises interconnective multistage steel pipe type cable (1), it is characterized in that: be provided with one section of scalable unit (2) between described adjacent steel pipe type cable (1); Described scalable unit (2) comprises bellows (4), the two ends of described bellows (4) be connected respectively to be positioned at the steel pipe type cable (1) in bellows (4) front and the steel pipe type cable (1) at rear housing on; The center of described bellows (4) is provided with center conductor (5), the two ends of described center conductor (5) are connected respectively on the conductor (6) of the two sections of steel pipe type cable (1) in front and back, and described center conductor (5) adopts the mode be slidably connected to connect with between the conductor (6) in front or the conductor (6) at rear.
2. the steel pipe type cable of band stretching structure according to claim 1, it is characterized in that: between described adjacent steel pipe type cable (1), be also provided with one section of detachable unit (3), described detachable unit (3) comprises housing (7), and the rear end of described bellows (4) is connected on the housing of steel pipe type cable (1) at rear by housing (7); Middle conductor is provided with in the inner chamber of described housing (7), described middle conductor comprises anteriomedial conductor (9), middle part middle conductor (10) and rear portion middle conductor (11), described center conductor (5) is connected on the conductor (6) at rear by middle conductor, and adopts the mode of grafting to be slidably connected between center conductor (5) with anteriomedial conductor (9); Described middle part middle conductor (10) is connected by the mode be detachably separated with between anteriomedial conductor (9) and rear portion middle conductor (11); The top of described housing (7) is provided with the top cover (8) can opened, close.
3. the steel pipe type cable of band stretching structure according to claim 1 and 2, it is characterized in that: described scalable unit (2) comprises the many guide posts (12) being arranged on bellows (4) periphery, the rear end of described guide post (12) is fixed on the rear end of bellows (4), and front end is through the pilot hole being arranged on bellows (4) front end.
4. the steel pipe type cable of band stretching structure according to claim 2, it is characterized in that: described middle part middle conductor (10) is T-shaped structure, rear end and the front end of rear portion middle conductor (11) of described anteriomedial conductor (9) are respectively arranged with the step surface matched with middle part middle conductor (10) front/rear end, by bolt, middle part middle conductor (10) are arranged on the rear end of anteriomedial conductor (9) and the front end of rear portion middle conductor (11).
5. the steel pipe type cable of band stretching structure according to claim 2, is characterized in that: be respectively arranged with disc insulator (14) between the steel pipe type cable (1) in described front and bellows (4) and between the steel pipe type cable (1) at housing (7) and rear.
6. the steel pipe type cable of band stretching structure according to claim 3, is characterized in that: the leading portion of described guide post (12) is thread segment, be positioned at pilot hole front, rear guide post (12) part be respectively arranged with locking nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074865.2U CN204424828U (en) | 2015-02-03 | 2015-02-03 | With the steel pipe type cable of stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074865.2U CN204424828U (en) | 2015-02-03 | 2015-02-03 | With the steel pipe type cable of stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204424828U true CN204424828U (en) | 2015-06-24 |
Family
ID=53475159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520074865.2U Expired - Fee Related CN204424828U (en) | 2015-02-03 | 2015-02-03 | With the steel pipe type cable of stretching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204424828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539504A (en) * | 2016-08-14 | 2018-09-14 | 牛斌斌 | Safe lead |
| CN108963928A (en) * | 2018-07-20 | 2018-12-07 | 西安交通大学 | A kind of base unit and piping lane transmission of electricity GIL in ultra-high/extra-high voltage piping lane transmission of electricity GIL |
-
2015
- 2015-02-03 CN CN201520074865.2U patent/CN204424828U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539504A (en) * | 2016-08-14 | 2018-09-14 | 牛斌斌 | Safe lead |
| CN108777396A (en) * | 2016-08-14 | 2018-11-09 | 牛斌斌 | A kind of anti-short-circuit electric wire with interlock function |
| CN108963575A (en) * | 2016-08-14 | 2018-12-07 | 牛斌斌 | A kind of security insurance electric wire with elastic slice |
| CN108539504B (en) * | 2016-08-14 | 2020-06-09 | 东莞市胜牌电线电缆有限公司 | Safety wire |
| CN108963928A (en) * | 2018-07-20 | 2018-12-07 | 西安交通大学 | A kind of base unit and piping lane transmission of electricity GIL in ultra-high/extra-high voltage piping lane transmission of electricity GIL |
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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 |
Granted publication date: 20150624 Termination date: 20220203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |