CN200939839Y - Noninsulated and skidway type sectional insulator - Google Patents
Noninsulated and skidway type sectional insulator Download PDFInfo
- Publication number
- CN200939839Y CN200939839Y CN 200620116199 CN200620116199U CN200939839Y CN 200939839 Y CN200939839 Y CN 200939839Y CN 200620116199 CN200620116199 CN 200620116199 CN 200620116199 U CN200620116199 U CN 200620116199U CN 200939839 Y CN200939839 Y CN 200939839Y
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- water conservancy
- conservancy diversion
- insulator
- contact wire
- nonisulated
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Abstract
The utility model relates to an un-insulated slipway section insulator. The section insulator has a main insulator. Two sides of the main insulator is respectively connected with a front contact conducting wire and a rear contact conducting wire respectively with a U-shaped connecting frame and a side connecting member. The U-shaped connecting frame is connected with a right guide slipway and a left guide slipway at the right and left sides. The front sides of the right guide slipway and the left guide slipway are arranged on the front contact conducting wire and the rear sides are extended and formed an extended guide slipway. The extended guide slipway length is longer than that of the main insulator. The bottom of the main insulator is higher that the guide slipways and the extended guide slipway. The utility model uses a compound stick-shaped insulator with a good insulating performance, a light weight and a high strength, attaining a safe, reliable and maintenance-free goal and effectively reducing the tasks of cleaning the equipment. The utility model is reasonable in the structure, easy to be maintained with a high liability, having an excellent electric performance and stable mechanical structure.
Description
Technical field
The utility model relates to a kind of electric locomotive contact net for power supplying equipment, particularly a kind of nonisulated chute type section insulator, and this section insulator can be connected in series in the contact system contact wire, the electrical isolation of implement device contact both sides net.
Background technology
As everyone knows, section insulator is used for the electric segmentation of contact nets in electrified railways, is connected in series in the contact system contact wire, and the electrical isolation of implement device contact both sides net is a kind of electric locomotive contact net for power supplying equipment.When contact system normally moves, be connected across the disconnector closure at section insulator two ends, the short circuit section insulator, it is idiostatic that its two ends are in, when motorcycle pantograph is charged when sliding by section insulator, can keep motorcycle pantograph do not cut off the power supply by stream and pass through.When maintenance contact system or other reason need have a power failure, open disconnector, section insulator contact both sides net is off-state, and at this moment system voltage is added on the section insulator, makes the side joint outage of touching net.
In recent years, along with the development of electrified railway, the technical equipment of contact nets in electrified railways significantly improves, and this also directly has influence on the pantograph-catenary current collection pattern of locomotive.Motorcycle pantograph is generally promoted and is adopted the carbon slide plate, and contact wire is based on copper or copper alloy wire.In the prior art, section insulator major part of contact online operation be the rhombus section insulator, and its insulate slideway and pantograph pan of locomotive direct friction in the case, with the slideway that the insulate non-conductive section insulator of deciding the insulation flashover accident take place again and again.At this situation, people have also taked some innovative approachs to this, as strengthening the maintenance dynamics, shorten cleaning period, at major insulation slideway bottom surface fluting, blocking-up carbon film conductive path etc., prolonged the service life of section insulator to a certain extent, but maintenance workload is still too big.
Shown in Fig. 5,6, represented another kind of known section insulator, this section insulator comprise insulator 11a, down insulator 12a, the long metal runners 4a in a left side, the short metal runners 5a in a left side, right long metal runners 7a, right short metal runners 6a and about insulation balladeur train 8a, 9a.About insulation balladeur train 8a, 9a constitute by insulating material.In use, when contact system normally moved, contact both sides Netcom crossed turning circuit and is communicated with, and makes section insulator both sides equipotential.Motorcycle pantograph is charged when sliding by section insulator, can slide into the conductive segment 41a of the long metal runners 4a in a left side and the slideway 81a of left side insulation balladeur train 8a along the conductive segment 41a of the long metal runners 4a in a left side and the conductive segment 51a of the short metal runners 5a in a left side in regular turn, arrive the conductive segment 41a of the long metal runners 4a in a left side again, the slideway 81a of left side insulation balladeur train 8a, the slideway 91a of right insulation balladeur train 9a and the conductive segment 71a of right long metal runners 7a, slide into the conductive segment 71a of right long metal runners 7a and the slideway 91a of right insulation balladeur train 9a again, slide into the conductive segment 71a of right long metal runners 7a again, the slideway 91a of the conductive segment 61a of right short metal runners 6a and right insulation balladeur train 9a, slide into the conductive segment 71a of right long metal runners 7a and the conductive segment 61a of right short metal runners 6a again, last slippage goes out section insulator.This section insulator has been realized nonisulated chute type section insulator, but, its insulator is parallel and is listed in the vertical plane surface on the one hand, torsional property is poor, produce around horizontal shaft easily and reverse, in addition, the pantograph of electric locomotive repeatedly the long metal runners 4a in a left side, the short metal runners 5a in a left side, right long metal runners 7a, right short metal runners 6a and about shift between insulation balladeur train 8a, the 9a and slide, cause electric locomotive by the time produce impulsive force, influence its stationarity.Simultaneously because structural defective, about insulation balladeur train when contaminated, be prone to disruptive discharge, safe operation is exerted an influence.This shows, fundamentally address this problem, must make a change from the structure of section insulator.
The design people for overcoming the above-mentioned defective that exists in the known technology, through arduous research and development, develops nonisulated chute type section insulator of the present utility model according to the experience and knowledge of being engaged in this area work for many years finally.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of nonisulated chute type section insulator, can overcome the defective that prior art exists, and possesses good electric property and stable physical construction, guarantee electric locomotive by the time stationarity.
For addressing the above problem, a kind of nonisulated chute type section insulator of the present utility model, wherein, have major insulation, the two ends of this major insulation are connected with rear portion contact wire with anterior contact wire respectively with end coupling by U type connecting frame respectively; The left and right sides of described U type connecting frame is connected with left and right water conservancy diversion slideway respectively, and the front end of this left and right water conservancy diversion slideway is fixed in described anterior contact wire, its rear portion is extended formation to the sub-rear end of major insulation and is extended the water conservancy diversion slideway, and this extends the length of the length of water conservancy diversion slideway greater than described major insulation; The bottom surface of described major insulation is higher than above-mentioned water conservancy diversion slideway and extends the water conservancy diversion slideway.
Aforesaid nonisulated chute type section insulator, wherein, the left and right sides of described U type connecting frame is provided with the deflecting plate adjustment rack, and this deflecting plate adjustment rack is captiveed joint with above-mentioned left and right water conservancy diversion slideway respectively, and constitutes extension water conservancy diversion slideway by this bearing extendible portion backward.
Aforesaid nonisulated chute type section insulator, wherein, the side that the shape of described water conservancy diversion slideway constitutes in the vertical section is provided with fluting along water conservancy diversion slideway length direction.
Aforesaid nonisulated chute type section insulator, wherein, an additive wire and the contact wire of described rear portion are connected in parallel.
Aforesaid nonisulated chute type section insulator, wherein, the bottom of described U type connecting frame and end coupling is connected with above-mentioned anterior contact wire, rear portion contact wire respectively by forward and backward terminal clamp.
Aforesaid nonisulated chute type section insulator, wherein, the rear end of described extension water conservancy diversion slideway surpasses terminal clamp, and with the overlapping setting of rear portion contact wire, its tail end is the striking section that upwarps.
Aforesaid nonisulated chute type section insulator, wherein, described anterior contact wire is provided with the contact wire adjustment rack, and the front end of above-mentioned left and right water conservancy diversion slideway is fixed in the anterior contact wire by this contact wire adjustment rack.
Aforesaid nonisulated chute type section insulator, wherein, described anterior contact wire is provided with the wire protection clamp plate, and the front end of described left and right water conservancy diversion slideway together is fixed in the described anterior contact wire by above-mentioned contact wire adjustment rack and thread guard clamping plate.
Aforesaid nonisulated chute type section insulator, wherein, described major insulation is a silaatic clavate composite insulator, and insulator two ends attachment hardware is a steel casting, withhold on insulator epoxy glass steel core bar, oversheath is the silaatic oversheath of integral die sulfidization molding.
Advantage and characteristics that nonisulated chute type section insulator of the present utility model compared with prior art possesses are:
1, nonisulated chute type section insulator of the present utility model adopts nonisulated chute type structure, make between major insulation and the electric locomotive pantograph sliding plate and do not have direct contact, the locomotive number of pass times can not influence the insulating power of section insulator, therefore can accomplish not safeguard substantially.Major insulation adopts composite rod insulator, good insulation preformance, and in light weight, the intensity height can reach safe and reliable, non-maintaining purpose.Major insulation and be subjected to electric slide plate to bend not direct contact can prevent the insulation flashover accident effectively in addition, and can reduce the work of equipment being cleaned maintenance.
2, the water conservancy diversion slideway of nonisulated chute type section insulator of the present utility model adopts U type symmetrical structure, helps pantograph and smoothly passes through, and reduces the slide plate abrasion, is difficult for beating bow, the assurance electric locomotive by the time stationarity.Owing to adopted profiled-cross-section water conservancy diversion slideway, therefore can improve slideway rigidity, reduce the slideway distortion that pantograph platform lift causes, can guarantee enough flow conductivities simultaneously.
3, the major insulation of nonisulated chute type section insulator of the present utility model adopts composite rod insulator, silaatic umbrella cover resistant lightning is pressed high, cracky not, epoxy glass steel core bar permissible stress is big, all can satisfy operating needs at aspects such as bearing contact wire tension force, sag, and bigger margin of safety is arranged.Compare with porcelain insulator, mechanical strength height, good electric property, in light weight have improved being subjected to properties of flow.
4, primary members such as the U type connecting frame of nonisulated chute type section insulator of the present utility model, end coupling, terminal clamp adopt the corrosion-resistant stainless steel casting or forge and form, and have improved the whole collapse strength of device, and prolong service life.
5, the mild transitional function of elasticity between the wire protection clamp plate of nonisulated chute type section insulator employing of the present utility model plays from contact wire to the segmentation is eliminated hard spot.
6, nonisulated chute type section insulator of the present utility model is simple and reasonable, has good electric property and stable physical construction, is convenient to safeguard the reliability height.
Description of drawings
Fig. 1 is the schematic side view of nonisulated chute type section insulator of the present utility model;
Fig. 2 is the cutaway view along the A-A line among Fig. 1;
Fig. 3 is the schematic top plan view of nonisulated chute type section insulator of the present utility model;
The local enlarged diagram at I place among Fig. 3 A Fig. 1 is the scheme drawing of U type connecting frame;
The local enlarged diagram at II place among Fig. 3 B Fig. 1; Scheme drawing for end coupling;
Fig. 3 C is the water conservancy diversion slideway section drawing of nonisulated chute type section insulator of the present utility model;
Fig. 4 is the structural representation of major insulation;
Fig. 5 is the schematic side view of known section insulator;
Fig. 6 is the schematic top plan view of known section insulator.
The specific embodiment
Now contrast accompanying drawing, describe the specific embodiment of nonisulated chute type section insulator of the present utility model in detail, have clear more and understanding accurately to the technical problems to be solved in the utility model, the technique effect that is reached and technical characterictic thus.
See also Fig. 1,2,3, it is respectively schematic side view, cross-sectional schematic and the schematic top plan view of nonisulated chute type section insulator of the present utility model.Nonisulated chute type section insulator of the present utility model mainly contain following component set-up: major insulation 16, U type connecting frame 1, end coupling 13, terminal clamp 17, wire protection clamp plate 36 and 37, deflecting plate adjustment rack 21, contact wire adjustment rack 32.In addition, among the figure, label 40 is anterior contact wire, and 43 is rear portion contact wire, and label 42 is an additive wire.In addition, the left and right side among Fig. 1, Fig. 3 is respectively the forward and backward of the following stated, and the left and right side among Fig. 2 is respectively the left and right of the following stated.
Nonisulated chute type section insulator of the present utility model has major insulation 16, and the two ends of this major insulation 16 are connected with rear portion contact wire 43 with anterior contact wire 40 respectively with end coupling 13 by U type connecting frame 1.The and arranged on left and right sides of described U type connecting frame 1 is fixed with deflecting plate adjustment rack 21 respectively.On the approach axis of nonisulated chute type section insulator, be to be fixed with wire protection clamp plate 36 and 37 in the anterior contact wire 40, in described anterior contact wire 40, be provided with contact wire adjustment rack 32, by this contact wire adjustment rack 32, the front end of wire protection clamp plate 36,37 and left and right water conservancy diversion slideway 30,27 is fixed in the anterior contact wire 40 simultaneously, the described water conservancy diversion slideway 27 and 30 the other end are fixed in the open end of above-mentioned deflecting plate adjustment rack 21 respectively by bearing pin.
As shown in Figure 1, 2, the top of described deflecting plate adjustment rack 21 is connected with described U type connecting frame 1, its underpart fixes with left and right water conservancy diversion slideway 30 and 27 respectively, this left and right water conservancy diversion slideway 30,27 constitutes extension water conservancy diversion slideway 24,23 by further extending to the rear portion with described deflecting plate adjustment rack 21 places of fixing.
As shown in Figure 3A, described U type connecting frame 1 top is by the front end of another bearing pin 12 connection major insulation 16, and the centre bottom connects preceding terminal clamp 17, and this preceding terminal clamp 17 is connected with the anterior contact wire 40 of section insulator.The point of suspension of whole device is positioned on the U type connecting frame 1.
Similarly, see also Fig. 3 B, the top of described end coupling 13 is by the rear end of bearing pin 12 connection major insulation 16, and its underpart connects back terminal clamps 17 by bearing pin 3, and this back terminal clamp 17 links to each other with the rear portion contact wire 43 of section insulator.Described additional contact wire 42 is connected in parallel up and down by wire clamp 14 and rear portion contact wire 43, and stretch out, for example extensible 2 meters, the rigidity that enters the sectioning zone with raising, make the mild transition of contact system elasticity road along the line direction, thereby improve the properties of flow that is subjected to of contact system.
See also Fig. 2 simultaneously, it is the cutaway view along the A-A line among Fig. 1.Described major insulation 16 is located between the two forward and backward terminal clamps 17, as seen from the figure, major insulation 16 is arranged on left and right water conservancy diversion slideway 30 and 27 tops, plane that constitute, the bottom that is described major insulation 16 is higher than above-mentioned left and right extension water conservancy diversion slideway 24,23, thereby make between major insulation son 16 and the electric locomotive pantograph sliding plate not direct contact, the number of times that locomotive passes through can not influence the insulating power of section insulator, thereby can realize not safeguarding substantially.
Be respectively equipped with deflecting plate adjustment rack 21 in U type connecting frame 1 left and right sides, deflecting plate adjustment rack 21 is connected with left and right water conservancy diversion slideway 30,27 respectively.From Fig. 1,3 as seen, described left and right water conservancy diversion slideway 30 and 27 rear end surmount the back terminal clamp 17 that is arranged on described section insulator rear portion, and with rear portion contact wire 43 and additional contact wire 42 overlapping settings, this left and right extension water conservancy diversion slideway 30 and 27 tail end are the striking section that upwarps.
During use, be connected across the disconnector closure at section insulator two ends, the short circuit section insulator, it is idiostatic that its two ends are in, (left side the figure) enters motorcycle pantograph from the section insulator front portion, successively by anterior contact wire 40 → left and right water conservancy diversion slideway 30 and 27 → left and right extension water conservancy diversion slideway 24 and 23 → rear portion contact wire 43.Left and right water conservancy diversion slideway 30,27 and anterior contact wire 40, rear portion contact wire 43 all overlap, with keep motorcycle pantograph by the time flowed continuously.
In this specific embodiment, major insulation 16 is a silaatic clavate composite insulator, as shown in Figure 4, insulator two ends attachment hardware 161 is a steel casting, withholds on insulator epoxy glass steel core bar 162, oversheath 163 materials are silaatic, the integral die sulfidization molding has improved mechanical strength, has good electric property, and in light weight, improved being subjected to properties of flow simultaneously.
Described U type connecting frame 1, end coupling 13 and deflecting plate adjustment rack 21 can adopt corrosion-resistant steel or brass to process; Terminal clamp 17 can by the casting of corrosion-resistant steel or silicon bornze (or) add formula and make; Left and right water conservancy diversion slideway 30,27 (left and right extension water conservancy diversion slideway 24,23) can be by the manufacturing of extruding drawing process, for example make by the red copper section bar of profiled-cross-section, referring to Fig. 3 C, the side that the shape of described water conservancy diversion slideway constitutes in the vertical section is provided with fluting 20 along water conservancy diversion slideway length direction, and this fluting 20 can be a fluting that connects.The rigidity (moment of inertia) of the water conservancy diversion slideway of this structure on horizontal and vertical direction is same cross-sectional and square-section rigidity highly 2.86 and 1.36 times; Contact wire adjustment rack 32 also can be by copper plate machine-shaping, thereby improve the whole resistance of failure of this shackle effectively, increases the service life.
During assembling, two terminal clamps 17 are connected with front and rear portions contact wire 40,43 respectively, be connected with major insulation 16 by U type connecting frame 1, end coupling 13, and the connection mechanically of holding device contact both sides net, electric upward insulation is isolated.
When maintenance contact system or other reason need have a power failure, open disconnector, section insulator contact both sides net is electric off-state, and at this moment system voltage 27.5kV is added on section insulator major insulation 16, makes the side joint outage of touching net.
The above person only; only be specific embodiment of the utility model, when can not with the scope implemented of qualification the utility model, so the displacement of its equivalent assemblies; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (9)
1, a kind of nonisulated chute type section insulator is characterized in that: have major insulation, the two ends of this major insulation are connected with rear portion contact wire with anterior contact wire respectively with end coupling by U type connecting frame respectively; The left and right sides of described U type connecting frame is connected with left and right water conservancy diversion slideway respectively, and the front end of this left and right water conservancy diversion slideway is fixed in described anterior contact wire, its rear portion is extended formation to the sub-rear end of major insulation and is extended the water conservancy diversion slideway, and this extends the length of the length of water conservancy diversion slideway greater than described major insulation; The bottom surface of described major insulation is higher than above-mentioned water conservancy diversion slideway and extends the water conservancy diversion slideway.
2, nonisulated chute type section insulator as claimed in claim 1, it is characterized in that: the left and right sides of described U type connecting frame is provided with the deflecting plate adjustment rack, this deflecting plate adjustment rack is captiveed joint with above-mentioned left and right water conservancy diversion slideway respectively, and constitutes extension water conservancy diversion slideway by this bearing extendible portion backward.
3, nonisulated chute type section insulator as claimed in claim 1 is characterized in that: the side that the shape of described water conservancy diversion slideway constitutes in the vertical section is provided with fluting along water conservancy diversion slideway length direction.
4, nonisulated chute type section insulator as claimed in claim 1, it is characterized in that: an additive wire and the contact wire of described rear portion are connected in parallel.
5, as each described nonisulated chute type section insulator of claim 1 to 4, it is characterized in that: the bottom of described U type connecting frame and end coupling is connected with above-mentioned anterior contact wire, rear portion contact wire respectively by forward and backward terminal clamp.
6, nonisulated chute type section insulator as claimed in claim 5 is characterized in that: the rear end of described extension water conservancy diversion slideway surpasses terminal clamp, and with the overlapping setting of rear portion contact wire, its tail end is the striking section that upwarps.
7, nonisulated chute type section insulator as claimed in claim 1, it is characterized in that: described anterior contact wire is provided with the contact wire adjustment rack, and the front end of above-mentioned left and right water conservancy diversion slideway is fixed in the anterior contact wire by this contact wire adjustment rack.
8, nonisulated chute type section insulator as claimed in claim 7, it is characterized in that: described anterior contact wire is provided with the wire protection clamp plate, and the front end of described left and right water conservancy diversion slideway together is fixed in the described anterior contact wire by above-mentioned contact wire adjustment rack and thread guard clamping plate.
9, nonisulated chute type section insulator as claimed in claim 1, it is characterized in that: described major insulation is silaatic clavate composite insulator, insulator two ends attachment hardware is a steel casting, withhold on insulator epoxy glass steel core bar, oversheath is the silaatic oversheath of integral die sulfidization molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620116199 CN200939839Y (en) | 2006-05-22 | 2006-05-22 | Noninsulated and skidway type sectional insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620116199 CN200939839Y (en) | 2006-05-22 | 2006-05-22 | Noninsulated and skidway type sectional insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939839Y true CN200939839Y (en) | 2007-08-29 |
Family
ID=38746024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620116199 Expired - Lifetime CN200939839Y (en) | 2006-05-22 | 2006-05-22 | Noninsulated and skidway type sectional insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200939839Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343834A (en) * | 2011-07-12 | 2012-02-08 | 浙江旺隆轨道交通设备有限公司 | Rigid section insulator |
| CN111527007A (en) * | 2018-01-16 | 2020-08-11 | 富雷尔＋弗赖股份公司 | Section insulator for preventing surface electric leakage |
-
2006
- 2006-05-22 CN CN 200620116199 patent/CN200939839Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343834A (en) * | 2011-07-12 | 2012-02-08 | 浙江旺隆轨道交通设备有限公司 | Rigid section insulator |
| CN102343834B (en) * | 2011-07-12 | 2013-04-24 | 浙江旺隆轨道交通设备有限公司 | Rigid section insulator |
| CN111527007A (en) * | 2018-01-16 | 2020-08-11 | 富雷尔＋弗赖股份公司 | Section insulator for preventing surface electric leakage |
| CN111527007B (en) * | 2018-01-16 | 2024-03-29 | 富雷尔＋弗赖股份公司 | Segmented insulator for preventing surface leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LOCOMOTIVE + CAR RESEARCH INSTITUTE, CHINA ACADEMY Effective date: 20120718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: LOCOMOTIVE + CAR RESEARCH INSTITUTE, CHINA ACADEMY Free format text: FORMER NAME: INST. OF ROLLING STOCK, ACADEMY OF RAILWAY SCIENCE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: LOCOMOTIVE AND CAR Research Institute CH |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120718 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Co-patentee after: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: CHINA ACADEMY OF RAILWAY SCIENCES LOCOMOTIVE & CAR Research Institute |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
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| EXPY | Termination of patent right or utility model |