CN102407786A - Direct current 1500V no-bending moment anti-pollution type single line section insulator - Google Patents
Direct current 1500V no-bending moment anti-pollution type single line section insulator Download PDFInfo
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- CN102407786A CN102407786A CN2011103200059A CN201110320005A CN102407786A CN 102407786 A CN102407786 A CN 102407786A CN 2011103200059 A CN2011103200059 A CN 2011103200059A CN 201110320005 A CN201110320005 A CN 201110320005A CN 102407786 A CN102407786 A CN 102407786A
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Abstract
The invention belongs to equipment used in a metro direct current 1500V flexible suspension contact network system and particularly relates to a no-bending moment anti-pollution type single line section insulator, which is characterized in that: the no-bending moment anti-pollution type single line section insulator is mainly composed of a connector wire clamp, a connector wire clamp connecting plate, a connecting plate, a short sliding plate, a long slide, arc starting rods A and B, a frame, an insulated sliding plate, a silicon rubber insulator, a fastening standard piece, a frame body, a short connecting angle steel, a long connecting angle steel, a short cushion plate, a long cushion plate, a single ear screw rod, a suspension angle steel, and a fastening piece that are connected together. The insulator may not produce the bending moment when bearing the pulling force of a lead wire; the silicon rubber insulator may not be in contact with a pantograph and is not polluted by a pantograph sliding plate; the pantograph can bidirectionally and smoothly pass through the silicon rubber insulator under dynamic contact pressure; and the motion attitude of the pantograph is limited by the insulated sliding plate, thereby avoiding the phenomenon of hitting, drilling and scraping the pantograph.
Description
Technical field
The invention belongs to a kind of equipment that uses in the subway direct current 1500V voltage flexible suspension contact net system, particularly a kind of bending moment-free anti-pollution type single line section insulator.
Background technology
At present, the domestic section insulator that on subway flexible suspension contact net system, uses, the middle optical wand insulation component that adopts two polytetrafluoroethylene overcoats; The pantograph carbon slide that scribbles lubricating oil through the time bottom insulation component, contact; Insulation component is polluted, because long term wear, the polytetrafluoroethylene overcoat is worn out easily; Rainwater gets into, and causes section insulator to puncture and burns.When this type section insulator was stressed in addition, stressed axis of contact wire and insulation component line of centers were receiving under the state of tension not on same axis; Produce moment of flexure; The insulation component middle part downwarping of section insulator forms hard spot, causes phenomenons such as playing bow, wearing and tearing.Simultaneously, the air insulation clearance of this section insulator is less, does not also meet the requirement of electrical property.The pantograph athletic posture is not limited, and is installed in curve section and drill bow takes place easily, beat the bow phenomenon.
Given this plant the problem that section insulator exists, the invention solves the problems referred to above.
Summary of the invention
The objective of the invention is to realize like this, it provides a kind of direct current 1500V bending moment-free anti-pollution type single line section insulator, and it can overcome above-mentioned defective.
Technical scheme of the present invention is: direct current 1500V bending moment-free anti-pollution type single line section insulator; It is characterized in that: it is is mainly connected and composed by joint wire clamp, joint wire clamp connecting panel, connecting panel, short slide plate, long cunning, A, B starting rod, framework, insulation slide plate, silicon rubber insulator, fastening gauge member, frame body, short connecting angle, long connecting angle, short plate, long backing plate, monaural screw rod, suspention angle steel and fastener; Joint wire clamp clamping contact wire; Joint wire clamp connecting panel couples together joint wire clamp and connecting panel through fastener, connecting panel couples together through the monaural screw rod on fastener and the framework; Whole framework is processed with screw thread for the splicing assembly parts on the frame body, through fastener with long and short backing plate, long and short connecting angle, and the monaural screw rod group is dressed up an integral body; Be connected with long slide plate, short slide plate through fastener on the framework, long and short slide plate constitutes the water conservancy diversion slide plate, is welded with A, B starting rod formation extinguishing arc horn gap on the long and short slide plate; The connecting panel bottom is the large radius arc transition; Can make pantograph be smoothly transitted into the water conservancy diversion slide plate along certain slope from the contact wire bottom; Silicon rubber insulator two ends, middle part its end machining of crimping armor clamp has screw thread; Couple together with frame body, connect four openings of the fluent plate of insulation slide plate confined bed on the silicon rubber insulator, the two ends of water conservancy diversion slide plate are great circle arcuation K/UP.
There is not moment of flexure in the stressed axis coaxle of described contact wire and insulation component, and under strained condition, the pantograph wearing and tearing are avoided in not downwarping of insulation component.
Described joint wire clamp clamping contact wire; Joint wire clamp connecting panel couples together joint wire clamp and connecting panel; Monaural on connecting panel and the frame body couples together through fastener; The framework both sides connect long slide plate, short slide plate, and long slide plate is welded with A, B starting rod with short slide plate termination, and the middle part is that two silicon rubber insulators 8 are arranged side by side; The two ends gold utensil of silicon rubber insulator 8 crimping passes framework fastener captive joint, is fixed with the insulation slide plate on the silicon rubber insulator; This structural segmented shackle is the open type section insulator; Be connected the long slide plate on the framework, short slide plate formation water conservancy diversion slideway; The A that welds on the water conservancy diversion slideway, B starting rod form the extinguishing arc horn gap; Four formed air insulation clearances of opening in the fixing fluent road of insulation slide plate confined bed on the silicon rubber insulator of middle part have limited the athletic posture of pantograph, avoid making bow, scraping the bow phenomenon.
Described air insulation clearance is 165mm, can satisfy the electric property requirement.
Described insulation slide plate has sealed water conservancy diversion slide plate opening, has limited the pantograph athletic posture, avoids beating bow, drill bow, scrapes the generation of bow phenomenon.
8 formed deads in line of bolt on described silicon rubber insulator axis and the connecting panel and overlap with the groove of contact wire, thereby this structural segmented shackle is pure tension state when lead receives tension force, do not produce moment of flexure.
The bottom circular arc of described joint wire clamp connecting panel and connecting panel carries out the transition to the water conservancy diversion slideway gradually, and its gradient is 3%, pantograph through the time only contact water conservancy diversion slideway and insulation slideway, there is the discrepancy in elevation water conservancy diversion slideway bottom with the silicon rubber insulator bottom.
The two ends of described water conservancy diversion slideway are great circle arcuation K/UP, under the dynamic contact wire pressure of pantograph 400N situation, also can smoothly pass through this section insulator.
Advantage of the present invention is that this structural segmented shackle does not produce moment of flexure bearing under the situation of wire tension; Silicon rubber insulator does not contact pantograph; Do not polluted by pantograph pan, under dynamic contact pressure, pantograph can two-wayly smoothly be passed through; Insulation slide plate restriction pantograph athletic posture has been avoided beating bow, drill bow, has been scraped the bow phenomenon.
Description of drawings:
Below in conjunction with the embodiment accompanying drawing the present invention is described further:
Fig. 1 is a section insulator embodiment device structural front view;
Fig. 2 is a section insulator embodiment device structure birds-eye view;
Fig. 3 is a section insulator framework embodiment device structural front view;
Fig. 4 is a section insulator framework embodiment device structure birds-eye view;
Fig. 5 is a section insulator framework embodiment device structure right elevation;
Among the figure: 1, joint wire clamp; 2, joint wire clamp connecting panel; 3, connecting panel; 4-1, short slide plate, the long slide plate of 4-2; 5, A, B starting rod; 6, framework; 7, insulation slide plate; 8, silicon rubber insulator; 10, frame body; 11, lack connecting angle; 12, long connecting angle; 13, short plate; 14, long backing plate; 15 monaural screw rods; 16, suspention angle steel.
The specific embodiment
Direct current 1500V bending moment-free anti-pollution type single line section insulator; It is is mainly connected and composed by joint wire clamp 1, joint wire clamp connecting panel 2, connecting panel 3, short slide plate 4-1, long slide plate 4-2, A, B starting rod 5, framework 6, insulation slide plate 7, silicon rubber insulator 8, fastening gauge member, frame body 10, short connecting angle 11, long connecting angle 12, short plate 13, long backing plate 14, monaural screw rod 15, suspention angle steel 16 and fastener; The 1 clamping contact wire of joint wire clamp; Joint wire clamp connecting panel 2 couples together joint wire clamp 1 and connecting panel 3 through fastener, connecting panel 3 couples together through the monaural screw rod 15 on fastener and the framework 6; Whole framework 6 is processed with screw thread for the splicing assembly parts on the frame body 10, through fastener with long and short backing plate 14,13, long and short connecting angle 12,11, and 15 assemblings of monaural screw rod are in aggregates; Be connected with long slide plate 4-2, short slide plate 4-1 through fastener on the framework 6, long slide plate 4-2, short slide plate 4-1 constitute the water conservancy diversion slide plate, are welded with A, B starting rod 5 formation extinguishing arc horn gaps on long slide plate 4-2, the short slide plate 4-1; Connecting panel 3 bottoms are the large radius arc transition; Can make pantograph be smoothly transitted into the water conservancy diversion slide plate along certain slope from the contact wire bottom; Middle part silicon rubber insulator 8 its end machining of two ends crimping armor clamp have screw thread; Couple together with frame body 10, connect four openings of the fluent plate of insulation slide plate 7 confined beds on the silicon rubber insulator 8, the two ends of water conservancy diversion slide plate are great circle arcuation K/UP; There is not moment of flexure in the stressed axis coaxle of contact wire and insulation component, and under strained condition, the pantograph wearing and tearing are avoided in not downwarping of insulation component; Joint wire clamp 7 clamping contact wires; Joint wire clamp connecting panel 2 couples together joint wire clamp 1 and connecting panel 3; Monaural on connecting panel 3 and the frame body 10 couples together through fastener; Framework 6 both sides connect long slide plate 4-2, short slide plate 4-1, and long slide plate 4-2 is welded with A, B starting rod 5 with short slide plate 4-1 termination, and the middle part is that two silicon rubber insulators 8 are arranged side by side; The two ends gold utensil of silicon rubber insulator 8 crimping passes framework fastener captive joint, is fixed with the insulation slide plate on the silicon rubber insulator; This structural segmented shackle is the open type section insulator; Be connected the long slide plate 4-2 on the framework, short slide plate 4-1 formation water conservancy diversion slideway; The A that welds on the water conservancy diversion slideway, B starting rod 5 form the extinguishing arc horn gap; Four formed air insulation clearances of opening in the fixing fluent road of insulation slide plate confined bed on the silicon rubber insulator of middle part have limited the athletic posture of pantograph, avoid making bow, scraping the bow phenomenon; Air insulation clearance is 165mm, can satisfy the electric property requirement; The insulation slide plate has sealed water conservancy diversion slide plate opening, has limited the pantograph athletic posture, avoids beating bow, drill bow, scrapes the generation of bow phenomenon; 8 formed deads in line of bolt on silicon rubber insulator 8 axis and the connecting panel 3 and overlap with the groove of contact wire, thereby this structural segmented shackle is pure tension state when lead receives tension force, do not produce moment of flexure; The bottom circular arc of joint wire clamp connecting panel 2 and connecting panel 3 carries out the transition to the water conservancy diversion slideway gradually, and its gradient is 3%, pantograph through the time only contact water conservancy diversion slideway and insulation slideway, there is the discrepancy in elevation water conservancy diversion slideway bottom with silicon rubber insulator 8 bottoms; The two ends of water conservancy diversion slideway are great circle arcuation K/UP, under the dynamic contact wire pressure of pantograph 400N situation, also can smoothly pass through this section insulator.
Embodiment:
Fig. 1 is that section insulator embodiment device structural front view, Fig. 2 are section insulator embodiment device structure birds-eye vieies; As depicted in figs. 1 and 2; The 1 clamping contact wire of joint wire clamp; Joint wire clamp connecting panel 2 couples together joint wire clamp 1 and connecting panel 3 through fastener, connecting panel 3 couples together through the monaural screw rod 15 on fastener and the framework 6.
Fig. 3 is that section insulator framework embodiment device structural front view, Fig. 4 are that section insulator framework embodiment device structure birds-eye view, Fig. 5 are section insulator framework embodiment device structure right elevations; Like Fig. 3, Fig. 4, shown in Figure 5, framework 6 is assembled by frame body 10, short connecting angle 11, long connecting angle 12, short plate 13, long backing plate 14, monaural screw rod 15, suspention angle steel 16 and fastener.Be processed with screw thread on the frame body 10, pass through fastener with long and short backing plate 14,13, long and short connecting angle 12,11 and 15 assemblings of monaural screw rod are in aggregates.Be connected with long slide plate 4-2, short slide plate 4-1 through fastener on the framework 6, long and short slide plate 4-2,4-1 constitute the water conservancy diversion slide plate, long and short slide plate 4-2, last A, the B starting rod 5 formation extinguishing arc horn gaps of being welded with of 4-1.Connecting panel 3 bottoms are the large radius arc transition; Can make pantograph be smoothly transitted into the water conservancy diversion slide plate from the contact wire bottom along certain slope, silicon rubber insulator 8 its end machining of two ends crimping armor clamp in middle part have screw thread, couple together with framework 6 bodies; Four openings that connect the fluent plate of insulation slide plate 7 confined beds on the silicon rubber insulator 8; Restriction pantograph athletic posture is avoided scraping bow, is beaten the bow phenomenon, and the two ends of water conservancy diversion slide plate are great circle arcuation K/UP; Under dynamic pressure, pantograph can smoothly be passed through.
The fluent plate of long water conservancy diversion slide plate and short-range missile forms the 165mm air insulation clearance, satisfies the electric property requirement, and two water conservancy diversion slideways overlap and are 30mm, do not have the outage gap.
The silicon rubber insulator of this type section insulator does not contact pantograph, does not exist pantograph to pollute insulation component and scaling loss insulation component phenomenon.
Two stressed axis of silicon rubber insulator of this type section insulator; The tie bolt axis at connecting panel two ends, contact wire groove are a coaxial line, and the section insulator two ends are when bearing wire tension; Do not produce moment of flexure, do not have the silicon rubber insulator downwarping and worn and torn by pantograph.
The insulation slide plate of this type section insulator has sealed four openings of water conservancy diversion slideway, has limited receiving
The athletic posture of bow, thereby do not have drill bow, make bow, scrape the bow phenomenon.
This type section insulator adopts silicon rubber insulator, and in light weight, there have self-cleaning function to be difficult for to be contaminated.
Claims (8)
1. direct current 1500V bending moment-free anti-pollution type single line section insulator; It is characterized in that: it is is mainly connected and composed by joint wire clamp (1), joint wire clamp connecting panel (2), connecting panel (3), short slide plate (4-1), long slide plate (4-2), A, B starting rod (5), framework (6), insulation slide plate (7), silicon rubber insulator (8), fastening gauge member, frame body (10), short connecting angle (11), long connecting angle (12), short plate (13), long backing plate (14), monaural screw rod (15), suspention angle steel (16) and fastener; Joint wire clamp (1) clamping contact wire; Joint wire clamp connecting panel (2) couples together joint wire clamp (1) and connecting panel (3) through fastener, connecting panel (3) couples together through the monaural screw rod (15) on fastener and the framework (6); Whole framework (6) is processed with screw thread for the splicing assembly parts on the frame body (10), through fastener with long and short backing plate (14,13), long and short connecting angle (12,11), and monaural screw rod (15) assembling is in aggregates; Framework (6) upward is connected with long slide plate (4-2), short slide plate (4-1) through fastener, and long slide plate (4-2), short slide plate (4-1) constitute the water conservancy diversion slide plate, is welded with A, B starting rod (5) formation extinguishing arc horn gap on long slide plate (4-2), the short slide plate (4-1); Connecting panel (3) bottom is the large radius arc transition; Can make pantograph be smoothly transitted into the water conservancy diversion slide plate along certain slope from the contact wire bottom; Silicon rubber insulator (8) two ends, middle part its end machining of crimping armor clamp has screw thread; Couple together with frame body (10), silicon rubber insulator (8) is gone up four openings that connect the fluent plate of insulation slide plate (7) confined bed, and the two ends of water conservancy diversion slide plate are great circle arcuation K/UP.
2. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1,, it is characterized in that: the stressed axis coaxle of described contact wire and insulation component; There is not moment of flexure; Under strained condition, the pantograph wearing and tearing are avoided in not downwarping of insulation component.
3. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1; It is characterized in that: described joint wire clamp (7) clamping contact wire; Joint wire clamp connecting panel (2) couples together joint wire clamp (1) and connecting panel (3); Monaural on connecting panel (3) and the frame body (10) couples together through fastener; Framework (6) both sides connect long slide plate (4-2), short slide plate (4-1), and long slide plate (4-2) is welded with A, B starting rod (5) with short slide plate (4-1) termination, and the middle part is that two silicon rubber insulators (8) are arranged side by side; The two ends gold utensil of silicon rubber insulator (8) crimping passes framework fastener captive joint, is fixed with the insulation slide plate on the silicon rubber insulator; This structural segmented shackle is the open type section insulator; The long slide plate (4-2), the short slide plate (4-1) that are connected on the framework constitute the water conservancy diversion slideway; The A that welds on the water conservancy diversion slideway, B starting rod (5) form the extinguishing arc horn gap; Four formed air insulation clearances of opening in the fixing fluent road of insulation slide plate confined bed on the silicon rubber insulator of middle part have limited the athletic posture of pantograph, avoid making bow, scraping the bow phenomenon.
4. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1, it is characterized in that: described air insulation clearance is 165mm, can satisfy the electric property requirement.
5. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1, it is characterized in that: described insulation slide plate has sealed water conservancy diversion slide plate opening, has limited the pantograph athletic posture, avoids beating bow, drill bow, scrapes the generation of bow phenomenon.
6. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1; It is characterized in that: 8 formed deads in line of bolt on described silicon rubber insulator (8) axis and the connecting panel (3) and overlap with the groove of contact wire; Thereby this structural segmented shackle is pure tension state when lead receives tension force, do not produce moment of flexure.
7. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 1; It is characterized in that: the bottom circular arc of described joint wire clamp connecting panel (2) and connecting panel (3) carries out the transition to the water conservancy diversion slideway gradually; Its gradient is 3%; Pantograph through the time only contact water conservancy diversion slideway and insulation slideway, there is the discrepancy in elevation water conservancy diversion slideway bottom with silicon rubber insulator (8) bottom.
8. direct current 1500V bending moment-free anti-pollution type single line section insulator according to claim 5; It is characterized in that: the two ends of described water conservancy diversion slideway are great circle arcuation K/UP; Under the dynamic contact wire pressure of pantograph 400N situation, also can smoothly pass through this section insulator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103200059A CN102407786A (en) | 2011-10-20 | 2011-10-20 | Direct current 1500V no-bending moment anti-pollution type single line section insulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103200059A CN102407786A (en) | 2011-10-20 | 2011-10-20 | Direct current 1500V no-bending moment anti-pollution type single line section insulator |
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| CN102407786A true CN102407786A (en) | 2012-04-11 |
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| CN2011103200059A Pending CN102407786A (en) | 2011-10-20 | 2011-10-20 | Direct current 1500V no-bending moment anti-pollution type single line section insulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627027B (en) * | 2015-02-13 | 2016-08-31 | 宝鸡保德利电气设备有限责任公司 | DC750V～3kV flexible suspension section insulator |
| CN110091755A (en) * | 2018-01-31 | 2019-08-06 | 株洲中车时代电气股份有限公司 | A kind of phase-separating section contact line connection method and the phase-splitter that insulate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187934A (en) * | 1978-01-13 | 1980-02-12 | Harvey Hubbell, Incorporated | Section insulator for catenary systems |
| GB2059689A (en) * | 1979-09-12 | 1981-04-23 | Pfisterer Elektrotech Karl | Section insulator |
| EP0064442A1 (en) * | 1981-04-27 | 1982-11-10 | JACQUES GALLAND S.A., Société dite: | Section insulator for an electric traction overhead railway line, and process and apparatus for its application |
| CN201317285Y (en) * | 2008-09-05 | 2009-09-30 | 周建科 | Non-bending moment and anti-pollution type high-speed section and phase splitting insulation device |
| CN101665086A (en) * | 2008-09-05 | 2010-03-10 | 周建科 | Bending moment-free anti-pollution high-speed segmenting and phase-splitting isolator |
| CN202243059U (en) * | 2011-10-20 | 2012-05-30 | 周建科 | DC 1500V bending moment free single wire graded insulation device |
-
2011
- 2011-10-20 CN CN2011103200059A patent/CN102407786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187934A (en) * | 1978-01-13 | 1980-02-12 | Harvey Hubbell, Incorporated | Section insulator for catenary systems |
| GB2059689A (en) * | 1979-09-12 | 1981-04-23 | Pfisterer Elektrotech Karl | Section insulator |
| EP0064442A1 (en) * | 1981-04-27 | 1982-11-10 | JACQUES GALLAND S.A., Société dite: | Section insulator for an electric traction overhead railway line, and process and apparatus for its application |
| CN201317285Y (en) * | 2008-09-05 | 2009-09-30 | 周建科 | Non-bending moment and anti-pollution type high-speed section and phase splitting insulation device |
| CN101665086A (en) * | 2008-09-05 | 2010-03-10 | 周建科 | Bending moment-free anti-pollution high-speed segmenting and phase-splitting isolator |
| CN202243059U (en) * | 2011-10-20 | 2012-05-30 | 周建科 | DC 1500V bending moment free single wire graded insulation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627027B (en) * | 2015-02-13 | 2016-08-31 | 宝鸡保德利电气设备有限责任公司 | DC750V～3kV flexible suspension section insulator |
| CN110091755A (en) * | 2018-01-31 | 2019-08-06 | 株洲中车时代电气股份有限公司 | A kind of phase-separating section contact line connection method and the phase-splitter that insulate |
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Application publication date: 20120411 |