CN104627027A - DC (direct current) 750V-3 kV flexible hanging section insulator - Google Patents
DC (direct current) 750V-3 kV flexible hanging section insulator Download PDFInfo
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- CN104627027A CN104627027A CN201510078426.3A CN201510078426A CN104627027A CN 104627027 A CN104627027 A CN 104627027A CN 201510078426 A CN201510078426 A CN 201510078426A CN 104627027 A CN104627027 A CN 104627027A
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- section insulator
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Abstract
The invention discloses a DC (direct current) 750V-3 kV flexible hanging section insulator. The DC 750V-3 kV flexible hanging section insulator is composed of an installing base I, an installing base II, an adjusting insulation bar, a contact wire insulation bar, a pair of connecting clamps, a pair of long slide plates, a pair of short slide plates, a pair of slide plate fixing brackets, a pair of contact wire dropper clamps; the adjusting insulation bar and the contact wire insulation bar are horizontally connected and fixed to the middle of the installing base I and the installing base II; a pair of connecting clamps are horizontally connected behind the installing base I and the installing base II, and installed and fixed at end parts of contact wires; a pair of long side plates and a pair of short slide plates are arranged at both sides of the installing base I and the installing base II in a staggering manner; moreover, the middle parts of the long side plates and the short slide plates are respectively fixed at both sides of the installing base I and the installing base II, and tail parts are connected and fixed to the contact wires through the contact wire dropper clamps. Through improving the structural form and the connection and fixation method of an insulation element, the DC 750V-3 kV flexible hanging section insulator improves the bearing force and safety coefficient of the section insulator. Besides, main parts of the section insulator can be installed and debugged in place before leaving factory, and are not required to perform the secondary adjustment in the course of installing on site, and thereby the installing step is simplified and the installing difficulty is reduced.
Description
Technical field
The invention belongs to power supply of urban orbit traffic contact system technical field, be specifically related to a kind of DC750V ~ 3kV flexible suspension section insulator.
Background technology
Section insulator is the important composition parts of the urban transportation, for the electric segmentation of contact system, facilitates electrical communication and the Maintenance and Repair of circuit.At present, urban rail transit in China flexible suspension section insulator still relies on external import, but due to the cause of external climate environment and range of use, a. g. of section insulator mostly is 55mm, can not meet the operating needs of state inner air gap 150mm; Meanwhile, the slideway hardness of external section insulator is low, and wear resisting property is poor, is not suitable for the operating needs that domestic freight volume is large, density is high; In addition, the installation procedure of external section insulator is loaded down with trivial details, requires higher, be not easy to the maintenance process simulation in later stage to the professional proficiency of site operation personnel.Therefore, break away from foreign technology restriction, development is applicable to the urban track traffic flexible suspension section insulator of Chinese environmental operating needs, is very necessary and important.
Summary of the invention
The technical matters that the present invention solves: design a kind of DC750V ~ 3kV flexible suspension section insulator, by improving the version of insulation component and being connected and fixed mode, improves bearing capacity and the safety factor of section insulator.In addition, all Installation and Debugging can put in place before the main element of this section insulator dispatches from the factory, adjust without the need to secondary during in-site installation, simplify installation steps, reduce installation difficulty.
Technical solution of the present invention: a kind of DC750V ~ 3kV flexible suspension section insulator, described section insulator is made up of mount pad I, mount pad II, adjustment insulation rod, contact wire insulation rod, a pair connecting clamp, long a pair slide plate, short a pair slide plate, pair of slide fixed support, a pair contact wire hanger ear; Described adjustment insulation rod, contact wire insulation rod level connection joint are fixed between mount pad I, mount pad II, and adjustment insulation rod is positioned at the top of contact wire insulation rod; Described a pair connecting clamp be connected horizontally on mount pad I, mount pad II rear and be fixed on the end of contact wire; Described long a pair slide plate, short a pair slide plate are crisscross arranged in the both sides of mount pad I, mount pad II, and the middle part of long slide plate, short slide plate is separately fixed at the both sides of mount pad I, mount pad II, afterbody is fastened on contact wire by contact wire hanger ear; Described pair of slide fixed support structure all triangular in shape, and its tail end is separately fixed at the side of mount pad I, mount pad II, front end is fixedly connected with long slide plate, short slide plate respectively; Described long slide plate, the bottom of short slide plate and the bottom of contact wire are positioned at same plane.
The top of described mount pad I, mount pad II all has cylindrical hole, and the inner, bottom all has ears, and outer end all has link, and the tail end of cylindrical hole that mount pad I top has is equipped with horizontal adjusting bolt; Described adjustment insulation rod is arranged in cylindrical hole, adjusts its length by horizontal adjusting bolt; Described contact wire insulation rod is fixed in ears by thru-bolt, and the middle part of long slide plate, short slide plate is also separately fixed at the both sides of ears by thru-bolt; Described connecting clamp is arranged in link by the straight pin of its inner plug-in mounting and is connected with mount pad I, mount pad II respectively by connecting clamp; The inner vertical of described link is equipped with Anti-off bolt and is limited in link by straight pin.
The outer end of described mount pad I, mount pad II is provided with and vertically adjusts bolt, and vertical adjustment bolt is positioned at the top of connecting clamp the inner.
Described long slide plate, short slide plate longitudinally between there is >=a. g. of 150 mm, between two long slide plate terminations, there is the transverse pitch of 500 ± 10mm and the longitudinal pitch of 400 ± 10mm.
The outer end of described mount pad I, mount pad II is equipped with cross bar, the two ends of described cross bar are connected by the lower end of flower basket bolt with crimping dropper, the upper end of crimping dropper is connected with catenary by Messenger wire hanging string clamp, and catenary is connected with the two ends of catenary insulation rod by anchoring wire clamp.
The advantage that the present invention compared with prior art has and effect:
1, with bolts between contact wire insulation rod of the present invention and mount pad, relatively bonding connection mode has the advantage that bearing capacity is high, safety factor is large, there is not the phenomenon of bonded adhesives ageing failure simultaneously; And by arrange adjustment insulation rod can the long slide plate of indirect regulation 6, the bottom of short slide plate 7 and the levelness of two ends contact wire.
2, main element of the present invention all can put in place before dispatching from the factory in Installation and Debugging, adjusts during in-site installation without the need to secondary, simplifies installation steps, reduces installation difficulty.
3, mount pad of the present invention adopts aluminum alloy casting technique to make, novel structure, lightweight, intensity is high, and connecting clamp is connected with straight pin by link, and be respectively equipped with in link both sides and prevent connecting clamp releasing unit and connecting clamp level(l)ing device, safe and reliable, install, debug and keep in repair more convenient, from stuctures and properties, all can meet the design and running requirement of high-speed electric railway.
4, skateboard body of the present invention adopts copper alloy extrudate bending and molding, the basis not reducing electric conductivity improves mechanical characteristics, enhances abrasion resistance properties and service life; The cross section of skateboard body adopts bilateral symmetry, has higher bending resistance and stability.
5, invention increases the sectional dimension of contact wire insulation rod plug, improve the integrated carrying ability of section insulator, meet fail in tension loading single line type 60kN, the requirement of two-wire type 120kN.
6, the present invention is under ensureing that between slide plate, a. g. is not less than the prerequisite of 150mm, and reduce overall width, the generation of the bow accident that slide plate is within the efficient working range of pantograph all the time, avoids drill bow, beats, improves safe reliability as far as possible.
7, the short slide plate of the present invention is two extinction angle structures, improve pantograph by time extinguishing arc horn gap extinguishing arc ability.
8, the present invention is non-chute type structure, and when locomotive passes through, pantograph does not contact with insulation rod member, thus ensure that the stability of insulation rod member insulating power; Simultaneously do not adopt auxiliary slide channel, avoid due to auxiliary slide channel flashover, puncture or scaling loss and cause the generation of section insulator electrically conducting accident.
9, creep distance of the present invention is not less than 600mm, and both sides electrically coincidence length is 500mm.Pantograph at least ensures two-point contact by during insulation transition region with slide plate, and section insulator is steadily stressed, and pantograph gets stream continuously, can not occur to make bow, the generation of the bad phenomenon such as brill is attacked, slide plate eccentric wear.
Accompanying drawing explanation
Fig. 1 is the structural perspective of single line type of the present invention,
Fig. 2 is the structural front view of single line type of the present invention,
Fig. 3 is the structural perspective of single line type mount pad I of the present invention,
Fig. 4 is the connection structure block diagram of single line type mount pad I of the present invention and connecting clamp,
Fig. 5 is the scheme of installation of single line type of the present invention,
Fig. 6 is the structural perspective of two-wire type of the present invention,
Fig. 7 is the structural front view of two-wire type of the present invention,
Fig. 8 is the structural perspective of two-wire type mount pad I of the present invention,
Fig. 9 is the connection structure block diagram of two-wire type mount pad I of the present invention and connecting clamp,
Figure 10 is the scheme of installation of two-wire type of the present invention.
Detailed description of the invention
1,2,3,4,5 describe the first embodiment of the present invention by reference to the accompanying drawings, be applicable to the electric segmentation that single contact wire list catenary hangs contact system.
A kind of DC750V ~ 3kV flexible suspension section insulator, is made up of mount pad I 3, mount pad II 4, adjustment insulation rod 1, contact wire insulation rod 2, a pair connecting clamp 5, long a pair slide plate 6, short a pair slide plate 7, pair of slide fixed support 14, a pair contact wire hanger ear 8; Described adjustment insulation rod 1, contact wire insulation rod 2 level connection joint are fixed between mount pad I 3, mount pad II 4, and adjustment insulation rod 1 is positioned at the top of contact wire insulation rod 2; Described a pair connecting clamp 5 be connected horizontally on mount pad I 3, mount pad II 4 rear and be fixed on the end of contact wire 20; Described long a pair slide plate 6, short a pair slide plate 7 are crisscross arranged in the both sides of mount pad I 3, mount pad II 4, and the middle part of long slide plate 6, short slide plate 7 is separately fixed at the both sides of mount pad I 3, mount pad II 4, afterbody is fastened on contact wire 20 by contact wire hanger ear 8; Described pair of slide fixed support 14 structure all triangular in shape, and its tail end is separately fixed at the side of mount pad I 3, mount pad II 4, front end is fixedly connected with long slide plate 6, short slide plate 7 respectively; The bottom of described long slide plate 6, short slide plate 7 and the bottom of contact wire 20 are positioned at same plane.
Described long slide plate 6, short slide plate 7 longitudinally between there is >=a. g. of 150 mm, between two long slide plate 6 terminations, there is the transverse pitch of 500 ± 10mm and the longitudinal pitch of 400 ± 10mm.The outer end of described mount pad I 3, mount pad II 4 is equipped with cross bar 21, the two ends of described cross bar 21 are connected by the lower end of flower basket bolt 22 with crimping dropper 23, the upper end of crimping dropper 23 is connected with catenary 25 by Messenger wire hanging string clamp 24, and catenary 25 is connected with the two ends of catenary insulation rod 18 by anchoring wire clamp 19.
The top of described mount pad I 3, mount pad II 4 all has cylindrical hole 9, and the inner, bottom all has ears 10, and outer end all has link 11, and the tail end of cylindrical hole 9 that mount pad I 3 top has is equipped with horizontal adjusting bolt 15; Described adjustment insulation rod 1 is arranged in cylindrical hole 9, adjusts its length by horizontal adjusting bolt 15, and then regulates the bottom of long slide plate 6, short slide plate 7 and the levelness of two ends contact wire; Described contact wire insulation rod 2 is fixed in ears 10 by thru-bolt 13, and the middle part of long slide plate 6, short slide plate 7 is also separately fixed at the both sides of ears 10 by thru-bolt 13; Described connecting clamp 5 is arranged in link 11 by the straight pin 12 of its inner plug-in mounting and is connected with mount pad I 3, mount pad II 4 respectively by connecting clamp 5; The inner vertical of described link 11 is equipped with Anti-off bolt 17 and is limited in link 11 by straight pin 12, prevents connecting clamp 5 from coming off.The outer end of described mount pad I 3, mount pad II 4 is provided with vertical adjustment bolt 16, and vertical adjustment bolt 16 is positioned at the top of connecting clamp 5 the inner.Improve vertical adjustment bolt 16 and press down connecting clamp 5 the inner, ensure the levelness of connecting clamp 5, and then ensure that the bottom of long slide plate 6, short slide plate 7 and the bottom of contact wire 20 are positioned at same plane.
Wherein, adjustment insulation rod, contact wire insulation rod, catenary insulation rod all adopt epoxy glass fiber rod to crimp with corrosion-resistant steel gold utensil and form, and umbrella cover adopts high-temperature silicon disulfide rubber injection mo(u)lding.Connecting clamp adopts copper alloy Forging Technology shaping.Long slide plate and short slide plate adopt the bending of copper alloy extrudate to form.Slide plate fixed support is welded with piece of stainless steel after adopting stainless steel bar bending.Contact wire hanger ear, Messenger wire hanging string clamp all adopt copper alloy Forging Technology shaping.Crimping dropper adopts copper-alloy stranded conductor compression joint technique shaping.
Installation method: first connecting clamp 5 is fixed on the relevant position of contact wire 20, bottle gouard moved by hands and turnbuckle is adopted to be furthered by the contact wire of connecting clamp 5 both sides, by the also upwards bending of the contact wire severing in the middle of two connecting clamps 5, by before dispatching from the factory the main element that puts in place of mounting and adjusting by mount pad I 3, mount pad II 4 is mounted on connecting clamp 5, the tension force of slow releasing bottle gouard moved by hands, ensure connecting clamp 5 and mount pad I 3, mount pad II 4 cooperation puts in place, adjustment mount pad I 3, vertical adjustment bolt 16 on mount pad II 4, make connecting clamp 5 maintenance level, contact wire hanger ear 8 is installed, makes contact wire bottom surface and long slide plate 6, the bottom surface of short slide plate 7 is in same plane.By prior art, catenary insulation rod 18 is installed, the upper end of crimping dropper 23 is connected with catenary 25 by Messenger wire hanging string clamp 24, the lower end of crimping dropper 23 is connected with the cross bar 21 on mount pad I 3, mount pad II 4 by flower basket bolt 22, and the length of adjustment crimping dropper 23, make bottom surface and the parallel track of long slide plate 6, short slide plate 7, and meet negative sag requirement.
6,7,8,9,10 describe the second embodiment of the present invention by reference to the accompanying drawings, be applicable to the electric segmentation that the two catenary of two contact wire hangs contact system.
Basic structure is identical with the first embodiment with installation method.Difference is that component part mount pad I 3, mount pad II 4, connecting clamp 5, contact wire hanger ear 8 are two-wire type.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalent variations done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (5)
1. DC750V ~ 3kV flexible suspension section insulator, is characterized in that: described section insulator is made up of mount pad I (3), mount pad II (4), adjustment insulation rod (1), contact wire insulation rod (2), a pair connecting clamp (5), long a pair slide plate (6), short a pair slide plate (7), pair of slide fixed support (14), a pair contact wire hanger ear (8); Described adjustment insulation rod (1), contact wire insulation rod (2) level connection joint are fixed between mount pad I (3), mount pad II (4), and adjustment insulation rod (1) is positioned at the top of contact wire insulation rod (2); Described a pair connecting clamp (5) be connected horizontally on mount pad I (3), mount pad II (4) rear and be fixed on the end of contact wire (20); Described long a pair slide plate (6), short a pair slide plate (7) are crisscross arranged in the both sides of mount pad I (3), mount pad II (4), and the middle part of long slide plate (6), short slide plate (7) is separately fixed at the both sides of mount pad I (3), mount pad II (4), afterbody is fastened on contact wire (20) by contact wire hanger ear (8); Described pair of slide fixed support (14) structure all triangular in shape, and its tail end is separately fixed at the side of mount pad I (3), mount pad II (4), front end is fixedly connected with long slide plate (6), short slide plate (7) respectively; The bottom of described long slide plate (6), short slide plate (7) and the bottom of contact wire (20) are positioned at same plane.
2. DC750V ~ 3kV flexible suspension section insulator according to claim 1, it is characterized in that: the top of described mount pad I (3), mount pad II (4) all has cylindrical hole (9), the inner, bottom all has ears (10), outer end all has link (11), and the tail end of cylindrical hole (9) that mount pad I (3) top has is equipped with horizontal adjusting bolt (15); Described adjustment insulation rod (1) is arranged in cylindrical hole (9), adjusts its length by horizontal adjusting bolt (15); Described contact wire insulation rod (2) is fixed in ears (10) by thru-bolt (13), and the middle part of long slide plate (6), short slide plate (7) is also separately fixed at the both sides of ears (10) by thru-bolt (13); Described connecting clamp (5) is arranged in link (11) by the straight pin (12) of its inner plug-in mounting and is connected with mount pad I (3), mount pad II (4) respectively by connecting clamp (5); The inner vertical of described link 11 is equipped with Anti-off bolt 17 and is limited in link 11 by straight pin 12.
3. DC750V ~ 3kV flexible suspension section insulator according to claim 1 and 2, it is characterized in that: the outer end of described mount pad I (3), mount pad II (4) is provided with and vertically adjusts bolt (16), and vertically adjust the top that bolt (16) is positioned at connecting clamp (5) the inner.
4. DC750V ~ 3kV flexible suspension section insulator according to claim 3, it is characterized in that: described long slide plate (6), short slide plate (7) longitudinally between there is >=a. g. of 150 mm, between two long slide plate (6) terminations, there is the transverse pitch of 500 ± 10mm and the longitudinal pitch of 400 ± 10mm.
5. DC750V ~ 3kV flexible suspension section insulator according to claim 4, it is characterized in that: the outer end of described mount pad I (3), mount pad II (4) is equipped with cross bar (21), the two ends of described cross bar (21) are connected by the lower end of flower basket bolt (22) with crimping dropper (23), the upper end of crimping dropper (23) is connected with catenary (25) by Messenger wire hanging string clamp (24), and catenary (25) is connected by the two ends of anchoring wire clamp (19) with catenary insulation rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078426.3A CN104627027B (en) | 2015-02-13 | 2015-02-13 | DC750V～3kV flexible suspension section insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078426.3A CN104627027B (en) | 2015-02-13 | 2015-02-13 | DC750V～3kV flexible suspension section insulator |
Publications (2)
| Publication Number | Publication Date |
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| CN104627027A true CN104627027A (en) | 2015-05-20 |
| CN104627027B CN104627027B (en) | 2016-08-31 |
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| CN201510078426.3A Active CN104627027B (en) | 2015-02-13 | 2015-02-13 | DC750V～3kV flexible suspension section insulator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882455A (en) * | 2016-05-23 | 2016-08-24 | 宝鸡保德利电气设备有限责任公司 | Section insulator for tramcar |
| CN107640066A (en) * | 2017-09-29 | 2018-01-30 | 北京瑞可达电力机械有限公司 | A kind of wire clamp |
| CN110382288A (en) * | 2017-02-21 | 2019-10-25 | 西门子交通有限公司 | Road electrification transportation system |
| CN111497688A (en) * | 2020-04-26 | 2020-08-07 | 广州地铁设计研究院股份有限公司 | Sectional insulator and high-speed overhead rigid contact net |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH594518A5 (en) * | 1975-09-17 | 1978-01-13 | Flury Arthur Ag | Railway overhead cable track and line disconnector |
| DE3169174D1 (en) * | 1980-11-13 | 1985-04-11 | Siemens Ag | Section insulator with two parallel insulating gliders |
| US4424889A (en) * | 1981-03-12 | 1984-01-10 | Hoeckele Max | Phase break-section insulator devices of high tensile strength |
| CN2265924Y (en) * | 1996-06-13 | 1997-10-29 | 西安铁路分局西安工务机械厂 | Arc-resistant sectioned insulator |
| CN2342445Y (en) * | 1998-07-27 | 1999-10-06 | 钱云龙 | Sectional insulator |
| CN102407786A (en) * | 2011-10-20 | 2012-04-11 | 周建科 | Direct current 1500V no-bending moment anti-pollution type single line section insulator |
| CN203293936U (en) * | 2013-06-05 | 2013-11-20 | 宝鸡保德利电气设备有限责任公司 | Direct-current 3kV overall self-cleaning type single line flexible section insulator |
| CN203293937U (en) * | 2013-06-05 | 2013-11-20 | 宝鸡保德利电气设备有限责任公司 | Direct-current 3kV overall self-cleaning type rigidity section insulator |
| CN204488532U (en) * | 2015-02-13 | 2015-07-22 | 宝鸡保德利电气设备有限责任公司 | DC750V ~ 3kV flexible suspension section insulator |
-
2015
- 2015-02-13 CN CN201510078426.3A patent/CN104627027B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882455A (en) * | 2016-05-23 | 2016-08-24 | 宝鸡保德利电气设备有限责任公司 | Section insulator for tramcar |
| CN105882455B (en) * | 2016-05-23 | 2018-04-13 | 宝鸡保德利电气设备有限责任公司 | Tramcar section insulator |
| CN110382288A (en) * | 2017-02-21 | 2019-10-25 | 西门子交通有限公司 | Road electrification transportation system |
| CN107640066A (en) * | 2017-09-29 | 2018-01-30 | 北京瑞可达电力机械有限公司 | A kind of wire clamp |
| CN111497688A (en) * | 2020-04-26 | 2020-08-07 | 广州地铁设计研究院股份有限公司 | Sectional insulator and high-speed overhead rigid contact net |
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| Publication number | Publication date |
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| CN104627027B (en) | 2016-08-31 |
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Effective date of registration: 20181107 Address after: 100036 Room 202, 139 Fengtai Road, Fengtai District, Beijing. Co-patentee after: Baoji Bodeli Electronic Equipment Co., Ltd. Patentee after: Zhongtie Electric Bureau Group Co., Ltd. Co-patentee after: In ferroelectric gas Industrial Co., Ltd Address before: 721006 196 new high road, Baoji hi tech Development Zone, Shaanxi Patentee before: Baoji Bodeli Electronic Equipment Co., Ltd. |