CN204012599U - A kind of tower apparatus of stepping on based on dry-type cable terminal - Google Patents
A kind of tower apparatus of stepping on based on dry-type cable terminal Download PDFInfo
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- CN204012599U CN204012599U CN201420401409.XU CN201420401409U CN204012599U CN 204012599 U CN204012599 U CN 204012599U CN 201420401409 U CN201420401409 U CN 201420401409U CN 204012599 U CN204012599 U CN 204012599U
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Abstract
The utility model discloses a kind of tower apparatus of stepping on based on dry-type cable terminal, comprise steel pipe pole and multiple cross-arm, between adjacent cross-arm, be provided with by two molecular composite insulation subgroups of composite insulation, between synthetic insulator, connect by connecting copper coin, on described connection copper coin, be provided with cable termination terminal clamp, cable is from steel pipe pole bottom lead to cross-arm, and is connected on the cable termination terminal clamp connecting on copper coin by dry-type cable terminal.Due to dry high-voltage cable terminals without oil, without porcelain, fire prevention, the plurality of advantages such as explosion-proof, volume is little, quality is light, non-maintaining, pollution flashover voltage is high, the leakage of oil of oil-filled porcelain bushing cable terminal, the shortcoming that inflammable, explosive, maintenance workload is large are not only overcome, realized cable terminal non-maintaining, improve the reliability of cable terminal, also solve the other cable of Urban landscape path and stepped on the problem that it is difficult that tower is taken over the land for use, simultaneously also for providing both beautiful and practical device at road side frames ceases to be busy conversion cable.
Description
Technical field
The utility model relates to power engineering installing area, particularly a kind of tower apparatus of stepping on based on dry-type cable terminal.
Background technology
Along with socioeconomic development, land resource costliness, adopts with cable mixed set-up very general at 110 kilovolts and above high voltage overhead lines.Under traditional overhead transmission line mode be cable termination field, which floor space is large, the person and device security are constituted a threat to, and the long windage yaw electric clearance that easily causes of downlead is inadequate, and long-term wind-engaging power effect swings the wire clamp fatigue damage that causes cable terminal.Adopt and install special platform additional in terminal tower tower body 6-8 rice eminence, not only cost increases, and installation process is very complicated.
The hv cable termination head using in the construction of China's electrical network is at present oil-filled porcelain bushing mostly, but this cable terminal exists many drawbacks, for example: leakage of oil occurs and be unfavorable for fire prevention and explosion-proof, easy flashover under filthy condition; And for example: equipment volume is large, Heavy Weight, price, is unfavorable for transport and installs.China develops a kind of dry type wall bushing that adopts organic insulating material the nineties in 20th century.The feature of this sleeve pipe is to peel off after PVC oversheath, ground shield, shield semiconductors layer, the core of leading that two ends are exposed is pressed in binding post, then on cable insulation surface, with insulating material along several metal capacitances of cable axial restraint screen, form along all laminated structures of surface, and make oversheath and full skirt with the crosslinked heat-shrinkage material of multiphase polymer.But, the cable terminal that adopts this principle to make, still there is the problem such as processing and construction inconvenience, for example: cable terminal can only be constructed at the scene, because wall bushing is mostly horizontal arrangement, and cable terminal is wanted positioned vertical, also have many terminals will be arranged on tower and steel pipe pole on, very inconvenient.
Along with the continuous propelling of Construction of Intercity Network, deepening constantly of urban distribution network track remodelling, the situation of overhead wire, cable hybrid line other use in urban road is more and more, how to solve expropriation of land and cable and steps on a tower difficult problem, accelerate the progress of cutover engineering, this situation needs to be badly in need of solving at present.
Utility model content
For addressing the above problem, the purpose of this utility model be to provide a kind of reduce tower body bear a heavy burden, easy for installation, save the tower apparatus of stepping on based on dry-type cable terminal of terminal tower floor space.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of tower apparatus of stepping on based on dry-type cable terminal, comprise steel pipe pole, the top of described steel pipe pole is extended with multiple cross-arms to both sides, described cross-arm parallel longitudinal is arranged, between adjacent cross-arm, be provided with by two molecular composite insulation subgroups of composite insulation, between synthetic insulator, connect by connecting copper coin, on described connection copper coin, be provided with cable termination terminal clamp, cable is from steel pipe pole bottom lead to cross-arm, and is connected on the cable termination terminal clamp connecting on copper coin by dry-type cable terminal.
Further, on steel pipe pole, be provided with multiple for cable being close to the fastening clip for cable being fixed on steel pipe pole.
Further, be provided with the aluminium alloy clamping head for attached cable on described cross-arm, described cable passes after aluminium alloy clamping head, then is connected to cable termination terminal clamp by dry-type cable terminal.
Further, described dry-type cable terminal is Fm1.123 type dry-type cable terminal.
Further, described synthetic insulator is fixed on cross-arm by ball-clevis and the first U-shaped screw successively.
Further, described synthetic insulator is arranged on and is connected on copper coin by socket-clevis eye or ball-clevis.
Further, also comprise a lightning arrester, on described connection copper coin, be provided with T-shaped wire clamp, one end of described lightning arrester is fixed on cross-arm by lightning arrester mounting panel, and the other end is connected on T-shaped wire clamp.
Further, one end of described lightning arrester is fixed on lightning arrester mounting panel by U-shaped link and the second U-shaped screw, and the other end is connected on T-shaped wire clamp by suspension clamp.
Further, described cable adopts CFRP-carbon fibre cable sheath tube to protect it.
The beneficial effects of the utility model are: a kind of tower apparatus of stepping on based on dry-type cable terminal that the utility model adopts, adopt dry high-voltage cable terminals to step on tower tower head mounting design, due to dry high-voltage cable terminals without oil, without porcelain, fire prevention, explosion-proof, volume is little, quality is light, non-maintaining, the plurality of advantages such as pollution flashover voltage height, not only overcome the leakage of oil of oil-filled porcelain bushing cable terminal, inflammable, explosive, the shortcoming that maintenance workload is large, realize the non-maintaining of cable terminal, improve the reliability of cable terminal, also solve the other cable of Urban landscape path and stepped on the problem that it is difficult that tower is taken over the land for use, simultaneously also for providing both beautiful and practical device at road side frames ceases to be busy conversion cable.
Brief description of the drawings
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is front view of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of the utility model composite insulation subgroup;
Fig. 3 is lateral plan of the present utility model;
Fig. 4 is the structure for amplifying schematic diagram of the utility model lightning arrester.
Embodiment
With reference to Fig. 1-Fig. 4, a kind of tower apparatus of stepping on based on dry-type cable terminal of the present utility model, comprise steel pipe pole 1, the top of described steel pipe pole 1 is extended with to both sides, in, lower three-phase cross-arm 2, described cross-arm 2 parallel longitudinals are arranged, between adjacent cross-arm 2, be provided with 3 groups of the synthetic insulators that formed by two synthetic insulators 3, between synthetic insulator 3, connect by connecting copper coin 4, on described connection copper coin 4, be provided with cable termination terminal clamp 41, cable 8 is from steel pipe pole 1 bottom lead to cross-arm 2, and be connected on the cable termination terminal clamp 41 connecting on copper coin 4 by dry-type cable terminal 5.Realize being connected of cable 8 and aerial condutor.Described cross-arm 2 is provided with the installation pedal that current supply cable installation personnel uses on the wire cross-arm 2 of attached cable terminals.
The utility model has adopted dry high-voltage cable terminals to step on tower tower head mounting design, due to dry high-voltage cable terminals without oil, without porcelain, fire prevention, explosion-proof, volume is little, quality is light, non-maintaining, the plurality of advantages such as pollution flashover voltage height, not only overcome the leakage of oil of oil-filled porcelain bushing cable terminal, inflammable, explosive, the shortcoming that maintenance workload is large, realize the non-maintaining of cable terminal, improve the reliability of cable terminal, also solve the other cable of Urban landscape path and stepped on the problem that it is difficult that tower is taken over the land for use, simultaneously also for providing both beautiful and practical device at road side frames ceases to be busy conversion cable.
Further, on steel pipe pole 1, be provided with multiple for cable 8 being close to the fastening clip for cable 6 being fixed on steel pipe pole 1.By fastening clip for cable 6, can allow cable 8 be close to and be fixed on steel pipe pole 1, guarantee the Stability Analysis of Structures of cable.
Further, be provided with the aluminium alloy clamping head 21 for attached cable 8 on described cross-arm 2, described cable 8 passes after aluminium alloy clamping head 21, then is connected to cable termination terminal clamp 41 by dry-type cable terminal 5.Allow cable 8 be fixed on cross-arm 2 by aluminium alloy clamping head 21, can allow the position of dry-type cable terminal 5 more stable, form the triangle fixed structure of dry-type cable terminal 5-cross-arm 2-synthetic insulator 3, increase wind loading rating of the present utility model, also played the effect that reduces the utility model volume simultaneously.
Further, described dry-type cable terminal 5 is Fm1.123 type dry-type cable terminal.Fm1.123 type dry high-voltage cable terminals Novel climbing tower apparatus, has improved cable terminal, thereby improves the version of terminal tower.Fm1.123 type dry high-voltage cable terminal by binding post, equal potential belt, lead core, cable insulation, capacitance plate layer, ground connection context layer, oversheath, full skirt, ground connection and measure lead-in wire and form.Design principle is along cable insulation surface, from conducting end to earth terminal, sets up discontinuously vertically n drum electrode screen, forms n series capacitance, forces cable termination surface voltage to be evenly distributed.Thereby increase substantially discharge inception voltage and sliding lightning pressure, limit generation and the development of electric discharge, improve flashover voltage and the puncture voltage of cable termination.Partial discharge performance and the dielectric loss characteristic of Fm1.123 type dry high-voltage cable terminals are very outstanding, be evenly distributed along face voltage, pollution flashover voltage is high, have without oil, without porcelain, fire prevention, the feature such as explosion-proof, volume is little, quality is light, non-maintaining, easy construction, and price is about the half of import terminals.
Particularly, described synthetic insulator 3 is fixed on cross-arm 2 by ball-clevis 31 and the first U-shaped screw 33 successively, and described synthetic insulator 3 is arranged on and is connected on copper coin 4 by socket-clevis eye 32 or ball-clevis 31.This design not only its fixed form is fastening, and the first U-shaped screw 33, ball-clevis 31 and socket-clevis eye 32 its wind resistances are good, can greatly strengthen wind loading rating of the present utility model.
Further, also comprise a lightning arrester 7, be provided with T-shaped wire clamp 42 on described connection copper coin 4, one end of described lightning arrester 7 is fixed on cross-arm 2 by lightning arrester mounting panel 74, and the other end is connected on T-shaped wire clamp 42.One end of described lightning arrester 7 is fixed on lightning arrester mounting panel 74 by U-shaped link 71 and the second U-shaped screw 72, and the other end is connected on T-shaped wire clamp 42 by suspension clamp 73.One end of lightning arrester 7 is connected to by suspension clamp 73 on the T-shaped wire clamp 42 that connects copper coin 4, the other end is fixed on cross-arm 2 by U-shaped link 71 and the second U-shaped screw 72 and lightning arrester mounting panel 74, has formed the triangle rock-steady structure of cross-arm 2-lightning arrester 7-synthetic insulator 3.Realized and in less space, firmly installed lightning arrester 7, overall structure is more stable.
Particularly, described cable 8 adopts CFRP-carbon fibre cable sheath tube to protect it.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (10)
1. the tower apparatus of stepping on based on dry-type cable terminal, it is characterized in that: comprise steel pipe pole (1), the top of described steel pipe pole (1) is extended with multiple cross-arms (2) to both sides, described cross-arm (2) parallel longitudinal is arranged, between adjacent cross-arm (2), be provided with synthetic insulator (3) group being formed by two synthetic insulators (3), between synthetic insulator (3), connect by connecting copper coin (4), on described connection copper coin (4), be provided with cable termination terminal clamp (41), cable is from steel pipe pole (1) bottom lead to cross-arm (2), and be connected on the cable termination terminal clamp (41) connecting on copper coin (4) by dry-type cable terminal (5).
2. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, is characterized in that: on steel pipe pole (1), be provided with multiple for cable being close to the fastening clip for cable (6) being fixed on steel pipe pole (1).
3. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 2, is characterized in that: the spacing of described fastening clip for cable (6) is 1.5m.
4. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, it is characterized in that: on described cross-arm (2), be provided with the aluminium alloy clamping head (21) for attached cable, described cable passes after aluminium alloy clamping head (21), then is connected to cable termination terminal clamp (41) by dry-type cable terminal (5).
5. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, is characterized in that: described dry-type cable terminal (5) is Fm1.123 type dry-type cable terminal.
6. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, is characterized in that: described synthetic insulator (3) is fixed on cross-arm (2) by ball-clevis (31) and the first U-shaped screw (33) successively.
7. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, is characterized in that: described synthetic insulator (3) is arranged on and is connected on copper coin (4) by socket-clevis eye (32) or ball-clevis (31).
8. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, it is characterized in that: also comprise a lightning arrester (7), on described connection copper coin (4), be provided with T-shaped wire clamp (42), it is upper that one end of described lightning arrester (7) is fixed on cross-arm (2) by lightning arrester mounting panel (74), and the other end is connected on T-shaped wire clamp (42).
9. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 8, it is characterized in that: it is upper that one end of described lightning arrester (7) is fixed on lightning arrester mounting panel (74) by U-shaped link (71) and the second U-shaped screw (72), and the other end is connected on T-shaped wire clamp (42) by suspension clamp (73).
10. a kind of tower apparatus of stepping on based on dry-type cable terminal according to claim 1, is characterized in that: described cable adopts CFRP-carbon fibre cable sheath tube to protect it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401409.XU CN204012599U (en) | 2014-07-18 | 2014-07-18 | A kind of tower apparatus of stepping on based on dry-type cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401409.XU CN204012599U (en) | 2014-07-18 | 2014-07-18 | A kind of tower apparatus of stepping on based on dry-type cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012599U true CN204012599U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401409.XU Expired - Fee Related CN204012599U (en) | 2014-07-18 | 2014-07-18 | A kind of tower apparatus of stepping on based on dry-type cable terminal |
Country Status (1)
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| CN (1) | CN204012599U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846381A (en) * | 2016-05-31 | 2016-08-10 | 国网上海市电力公司 | Novel all-insulated climbing rod device of 35kV cable |
| CN105846382A (en) * | 2016-05-31 | 2016-08-10 | 上海电瓷厂有限公司 | Full-insulated 35kV cable climbing pole device |
| CN110635402A (en) * | 2019-09-30 | 2019-12-31 | 广州供电局有限公司 | Cable auxiliary swing device and method |
| CN112180222A (en) * | 2020-08-26 | 2021-01-05 | 国家电网有限公司 | System and method for cable material insulation performance test |
| CN116971658A (en) * | 2023-09-22 | 2023-10-31 | 国网山东省电力公司莱芜供电公司 | Double-return cable terminal pole tower for guiding and connecting multiple cables to upper pole tower and lower pole tower |
-
2014
- 2014-07-18 CN CN201420401409.XU patent/CN204012599U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846381A (en) * | 2016-05-31 | 2016-08-10 | 国网上海市电力公司 | Novel all-insulated climbing rod device of 35kV cable |
| CN105846382A (en) * | 2016-05-31 | 2016-08-10 | 上海电瓷厂有限公司 | Full-insulated 35kV cable climbing pole device |
| CN105846382B (en) * | 2016-05-31 | 2017-12-26 | 上海电瓷厂有限公司 | All insulation 35kV cable rod rising devices |
| CN105846381B (en) * | 2016-05-31 | 2018-01-02 | 国网上海市电力公司 | A kind of all insulation 35kV cable rod rising devices |
| CN110635402A (en) * | 2019-09-30 | 2019-12-31 | 广州供电局有限公司 | Cable auxiliary swing device and method |
| CN112180222A (en) * | 2020-08-26 | 2021-01-05 | 国家电网有限公司 | System and method for cable material insulation performance test |
| CN116971658A (en) * | 2023-09-22 | 2023-10-31 | 国网山东省电力公司莱芜供电公司 | Double-return cable terminal pole tower for guiding and connecting multiple cables to upper pole tower and lower pole tower |
| CN116971658B (en) * | 2023-09-22 | 2024-02-23 | 国网山东省电力公司莱芜供电公司 | Double-return cable terminal pole tower for guiding and connecting multiple cables to upper pole tower and lower pole tower |
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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: 20141210 Termination date: 20200718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |