CN202930296U - Main conductive tube of megavolt disconnector - Google Patents
Main conductive tube of megavolt disconnector Download PDFInfo
- Publication number
- CN202930296U CN202930296U CN 201220502405 CN201220502405U CN202930296U CN 202930296 U CN202930296 U CN 202930296U CN 201220502405 CN201220502405 CN 201220502405 CN 201220502405 U CN201220502405 U CN 201220502405U CN 202930296 U CN202930296 U CN 202930296U
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- Prior art keywords
- main
- conductor
- welding
- axle
- sleeve
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- Expired - Lifetime
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- 239000004020 conductor Substances 0.000 claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 47
- 238000005476 soldering Methods 0.000 claims description 24
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 230000009850 completed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model relates to a main conductive tube of a megavolt disconnector, formed by coaxially welding a mandrel, and a first conductor and a second conductor at the two ends of the mandrel. Main welding tubes are respectively arranged at the two ends of the mandrel, and main welding sleeves are respectively arranged in positions where the first conductor is welded with the mandrel and the second conductor is welded with the mandrel, wherein main plunger welding holes are opened in the welding sleeves, and the main welding tubes are welded and matched with the main welding sleeves via the main plunger welding holes. According to the utility model, a long main conductive tube is processed segment by segment, and then different segments are assembled by welding, thereby overcoming the difficulty that raw material cannot be bought, satisfying high-precision processing requirements of part of a component, reducing dependence on equipment, and carrying out high-precision processing on the components without super large equipment.
Description
Technical field
The utility model relates to 1,000,000 volts of isolated switchgear fields, particularly 1,000,000 volts of isolated switch main contact tubes.
Background technology
Along with development and the growth in State Grid market, high-voltage large current power transmission and transformation product becomes the leading products of electricity market, and the demand of 1,000,000 volts of series of products constantly increases.Leading fulgurite welding quality has determined the performance of whole product, plays an important role in divide-shut brake, and is as overproof in linearity, just make disconnecting link can not accurately reach the precalculated position, cause the difficulty of closing a floodgate, affect normal mains supply, bring larger difficulty to field adjustable.Whole contact tube of the general employing of the contact tube of present 5,500,000 volts of following products, the middle part increases upper lower plate and is fixed, but 1,000,000 volts of isolating switch contact tube total lengths reach 13 meters, 6 meters of existing raw-material length have been surpassed, 185 millimeters of external diameter Φ, 195 kilograms of weight, this part service condition is harsh, overall linearity requires less than or equal to 5 millimeters, and also has the angle requirement between five planes, the middle part has two place's cylindricals to need processing, and the axiality requirement is tighter, and existing leading electric pole production method is not suitable for the leading fulgurite of 1,000,000 volts of isolating switches.
The utility model content
The purpose of this utility model is to provide a kind of assembly structure of 1,000,000 volts of isolated switch main contact tubes, in order to solve the problem of 1,000,000 volts of can't processing length larger isolating switch contact tubes of prior art.
For achieving the above object, contact tube scheme of the present utility model is: a kind of 1,000,000 volts of isolated switch main contact tubes, the first conductor and the second conductor coaxial welding by axle and axle two ends consist of, the two ends of described axle and the first conductor, the second conductor are provided with the corresponding weld of axle main welded pipe and the main soldering sleeve that sleeve coordinates, offer the main plunger welding hole on described main soldering sleeve, main welded pipe coordinates by the welding of main plunger welding hole with main soldering sleeve.
Described the first conductor, the second conductor consist of by two connecting rod coaxial welding, connecting rod is respectively equipped with weld between corresponding connecting rod secondary welded pipe and the secondary soldering sleeve that sleeve coordinates, offer the subpost plug welding hole on described secondary soldering sleeve, secondary welded pipe coordinates by the welding of subpost plug welding hole with secondary soldering sleeve.
All be equipped with main fingertip and auxiliary fingertip on described the first conductor, the second conductor, install casing on axle.
Employing segmental machining of the present utility model, then the large contact tube of mode factory length of welding assembly, overcome and to have bought raw-material present situation, and solved the high accuracy processing request of parts locally, reduce the dependence to equipment, do not needed large equipment also can carry out high-accuracy processing to part.Again it made up after segmental machining is completed, weld, polishing, surface treatment, guaranteed the requirement of intensity and the form and position tolerance of part, making linearity, position degree, the roughness of part integral body all satisfy instructions for use, is that installation, the debugging of 1,000,000 volts of isolating switch products brings great convenience.
Adopt the segmental machining mode to make the conductor at axle two ends, further improved the precision of parts locally.
Description of drawings
Fig. 1: leading fulgurite structure chart of the present utility model;
Fig. 2-Fig. 6: each cross sectional view in Fig. 1;
Fig. 7: mandrel structure figure;
Fig. 8: Fig. 7 middle section view;
Fig. 9: the first conductor structure figure;
Figure 10: Fig. 9 middle section view;
Figure 11: head rod structure chart;
Figure 12-Figure 13: each cross sectional view in Figure 11;
Figure 14: the second connecting rod structure chart;
Figure 15: the exploded view of the utility model embodiment 2 implementation processes;
The implementation process exploded view of Figure 16: embodiment 1;
Figure 17: single-pole isolator schematic diagram;
Figure 18: contact tube general assembly drawing.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
A kind of 1,000,000 volts of isolated switch main contact tubes, the first conductor and the second conductor coaxial welding by axle and axle two ends consist of, the two ends of axle and the first conductor, the second conductor are provided with the corresponding weld of axle main welded pipe and the main soldering sleeve that sleeve coordinates, and offer the main plunger welding hole on described main soldering sleeve.
As Figure 16, a kind of 1,000,000 volts of isolated switch main contact tube manufacture methods, step is as follows: 1) make the first conductor, the second conductor and axle, process respectively; At the axle two ends and the link of the first conductor, the second conductor and axle process main welded pipe and main soldering sleeve for inserting welding, offer the main plunger welding hole on main soldering sleeve; 2) the first conductor, axle, the second conductor are welded the general assembly moulding.
As Fig. 1-Figure 15, a kind of 1,000,000 volts of isolated switch main contact tubes, the first conductor and the second conductor coaxial welding by axle 3 and axle two ends consist of, the two ends of axle and the first conductor, the second conductor are provided with the corresponding weld of axle 3 main welded pipe 10 and the main soldering sleeve 11 that sleeve coordinates, and offer the main plunger welding hole on main soldering sleeve 11.
The first conductor, the second conductor consist of by two connecting rod coaxial welding.Take the first conductor as example, comprise that the weld between head rod 1 and the second connecting rod 2, two connecting rods is respectively equipped with the secondary welded pipe 20 and secondary soldering sleeve 21 that sleeve coordinates, offer the subpost plug welding hole on secondary soldering sleeve 21.
A kind of 1,000,000 volts of isolated switch main contact tube manufacture methods, step is as follows: 1) make axle, two connecting rods of the first conductor, two connecting rods of the second conductor; As Fig. 7, in the axle 3 main welded pipes 10 of two ends processing; As Figure 11, the second connecting rod 2 one secondary soldering sleeves 21 of end processing of head rod 1 one secondary welded pipe 20, the first conductors of end processing of the first conductor, the main soldering sleeve 11 of other end processing is all processed the plunger welding hole on main soldering sleeve 11 and secondary soldering sleeve 21; The second conductor in like manner; 2) use tool locating, the connecting rod welding is consisted of the first conductor, the second conductor, guarantee that linearity is within 2 millimeters; 3) bottom-uply carry out general assembly, the first conductor, axle 3, the second conductor are carried out general assembly, be put on jig, because jig is proofreaied and correct with the electronics combined diagram level, difference in height is no more than 0.1 millimeter.Will consider the plan position approach angular relationship of above three kinds of parts this moment, check with bevel protractor during the riveting dress, adjust the height of v block during welding, assurance center and two ends are in sustained height, and up-down error is no more than 1 millimeter, 90-degree rotation after the riveting dress, again center and two ends height are measured, difference in height is controlled within 1 millimeter, then welds, and controls overall linearity within 3 millimeters.At last the welding position is proofreaied and correct the outward appearance polishing.Above-mentioned " riveting dress "---this word is commonly used in the welding aspect, refer to before welding and rule on the part of needs welding, or the part that connects with the frock butt welding positions, some yielding parts are proofreaied and correct, the part that then will need to weld carries out the centering docking, the spot welding (only welding local several anchor point) of going forward side by side, and the process that the position after spot welding is measured.Part through the riveting dress need not carry out during welding size is measured.Be engaged in the workman of riveting dress, be called riveter.
Be the general assembly drawing of single-pole isolator as Figure 17, on the porcelain knob in the middle of leading fulgurite center rotating is assemblied in, be in shown position when closing a floodgate.During from separating brake to combined floodgate, vertical porcelain vase rotates contact tube along the centre at horizontal plane, is converted to when being about to close a floodgate along the center of contact tube oneself and makes flip-flop movement.
Be the contact tube general assembly as Figure 18, be illustrated as "on" position, this moment, main fingertip was in running order, and auxiliary fingertip has been completed effect and thrown off.In Fig. 1, the main fingertip installed surface 101 at leading fulgurite two ends is used for installing main fingertip 406, and auxiliary fingertip installed surface 102 is used for installing auxiliary fingertip 407.In Fig. 7, the mounting plane 301 on axle is used for installing universal ball joint 410 and buffering spring system 412,101,102,301 residing positions and divide-shut brake have relation.Main fingertip 406, auxiliary fingertip 407 are " protruding " shape, are fixed on installed surface by bolt 402.Fixed contact in main fingertip, auxiliary fingertip and Figure 17 on the porcelain knob of two ends forms when closing a floodgate and electrically connects.Grading ring 408 is arranged on axle two ends; Shading ring 401 is arranged on leading fulgurite two ends; Casing 414 is installed on axle, and assembled portion is provided with axle sleeve 409; Back-up block 411,413 be arranged on respectively buffer spring system 412, universal ball joint 410 and and axle between.
Claims (3)
1. 1,000,000 volts of isolated switch main contact tubes, it is characterized in that, the first conductor and the second conductor coaxial welding by axle and axle two ends consist of, the two ends of described axle and the first conductor, the second conductor are provided with the corresponding weld of axle main welded pipe and the main soldering sleeve that sleeve coordinates, offer the main plunger welding hole on described main soldering sleeve, main welded pipe coordinates by the welding of main plunger welding hole with main soldering sleeve.
2. a kind of 1,000,000 volts of isolated switch main contact tubes according to claim 1, it is characterized in that, described the first conductor, the second conductor consist of by two connecting rod coaxial welding, connecting rod is respectively equipped with weld between corresponding connecting rod secondary welded pipe and the secondary soldering sleeve that sleeve coordinates, offer the subpost plug welding hole on described secondary soldering sleeve, secondary welded pipe coordinates by the welding of subpost plug welding hole with secondary soldering sleeve.
3. a kind of 1,000,000 volts of isolated switch main contact tubes according to claim 2, is characterized in that, all is equipped with main fingertip and auxiliary fingertip on described the first conductor, the second conductor, installs casing on axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502405 CN202930296U (en) | 2012-09-28 | 2012-09-28 | Main conductive tube of megavolt disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502405 CN202930296U (en) | 2012-09-28 | 2012-09-28 | Main conductive tube of megavolt disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930296U true CN202930296U (en) | 2013-05-08 |
Family
ID=48220232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502405 Expired - Lifetime CN202930296U (en) | 2012-09-28 | 2012-09-28 | Main conductive tube of megavolt disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202930296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903560A (en) * | 2012-09-28 | 2013-01-30 | 河南平高电气股份有限公司 | Main conductive tube of megavolt isolating switch and manufacture method thereof |
-
2012
- 2012-09-28 CN CN 201220502405 patent/CN202930296U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903560A (en) * | 2012-09-28 | 2013-01-30 | 河南平高电气股份有限公司 | Main conductive tube of megavolt isolating switch and manufacture method thereof |
| CN102903560B (en) * | 2012-09-28 | 2015-05-13 | 国家电网公司 | Main conductive tube of megavolt isolating switch and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130508 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |