CN2716997Y - Main shaft assembly for on load tap changer - Google Patents
Main shaft assembly for on load tap changer Download PDFInfo
- Publication number
- CN2716997Y CN2716997Y CN 200420023922 CN200420023922U CN2716997Y CN 2716997 Y CN2716997 Y CN 2716997Y CN 200420023922 CN200420023922 CN 200420023922 CN 200420023922 U CN200420023922 U CN 200420023922U CN 2716997 Y CN2716997 Y CN 2716997Y
- Authority
- CN
- China
- Prior art keywords
- tap changer
- load tap
- moving contact
- insulation axle
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a main shaft component of on-load tap changer comprising: a grooved wheel, an insulating axis and a plurality of brackets of movable contact. The utility model is characterized in that the insulating axis is spline-shaped; the center of the grooved wheel fixed above the insulating axis is provided with a spline-shaped bore close-fitting with the insulating axis; the center of the connecting terminal of each bracket of movable contact is provided with a spline-shaped bore close-fitting with the insulating axis which is tightly sheathed on the insulating axis. The main shaft component of on-load tap changer is simple in structure, convenient for manufacturing assembly and reliable for gear transformation.
Description
Technical field
The utility model relates to a kind of spindle assemblies of on load tap changer.
Background technology
The spindle assemblies of on load tap changer is used to support moving contact, by the rotation of self, selects to connect different fixed contacts, finally realizes the transforming gear of on load tap changer.
The spindle assemblies of existing on load tap changer comprises sheave 11 as shown in Figure 1, insulation axle 12, and moving contact keeper 13;
Moving contact keeper 13 has three groups, and every group comprises counter flange 131, moving contact support plate 132;
Sheave 11 is fixed on the top of insulation axle 12 by straight pin 111 riveted joints; Each counter flange 131 (three groups) has straight pin 133 riveted joints fastening with the insulation axle respectively by bolt 135 fastening holding tightly at the middle part of insulation axle 12 simultaneously; Moving contact support plate 132 (three groups) is fastening by four bolts 134 and counter flange 131 respectively.
When sheave rotated, the insulation axle was followed rotation, rotated thereby drive the moving contact keeper, and then made moving contact select to connect different fixed contacts, finally realized the transforming gear of on load tap changer.
Though the spindle assemblies of existing on load tap changer can be realized the transforming gear of on load tap changer, because there are following shortcoming in its structure and fastening means:
The moving contact keeper is installed in (to reach the dynamic and static contact synchronous switching off of three-phase) on the same vertical plane for guaranteeing three groups, therefore want earlier with moving contact support plate and counter flange fastening after, be enclosed within again on the insulation axle, adjust position to three group after on the same vertical plane, join the brill pin hole again, because of accessory size is all bigger, join that to bore difficulty higher, quality be cannot say for sure card;
Move in order to reduce as far as possible, the fixed contact contact resistance, moving, the adhesion of fixed contact is bigger, this just requires spindle assemblies will have enough torques could realize smooth folding, certainly will will make fastening position bear bigger impulsive force radially like this, and counter flange is held the power of insulation axle tightly and is often handled influence because of the high temperature drying of fit dimension error or transformer factory and weaken, so a counter flange and an insulation straight pin of riveting, main impulsive force has been born in the hole, pin hole on the insulation axle is not strong because of impact resistance, repeatedly impacting metapore easily enlarges, cause moving contact to close fault not in place, certain quality hidden danger is arranged, pin hole once took place enlarge the major accident that the back straight pin comes off.
Summary of the invention
The utility model is the shortcoming for the spindle assemblies that overcomes existing on load tap changer, and the spindle assemblies of a kind of novel on load tap changer that proposes, and the spindle assemblies of this on load tap changer is simple in structure, makes easy to assemblyly, and transforming gear is reliable.
The technical scheme that the utility model is taked is: the spindle assemblies of on load tap changer comprises: sheave, insulation axle, and a plurality of moving contact support plate; Be characterized in,
Described insulation axle is a spline shape;
Described sheave center is provided with the spline shape hole with a close-fitting that insulate, and is fixed on the top of insulation axle;
The center of the link of described each moving contact support plate is provided with the spline shape hole with a close-fitting that insulate, and tightly is enclosed within interval on the insulation axle.
The spindle assemblies of above-mentioned on load tap changer, wherein, the edge in the spline shape hole of described each moving contact support plate link is provided with an extension edge, this extension edge is provided with a location hole, adopt insulating rod to pass through this location hole, prevent each moving contact support plate axial endplay moving contact support plate and insulation axle riveted joint location.
The spindle assemblies of above-mentioned on load tap changer, wherein, described insulation axle adopts the disposable formed by extrusion and tension of expoxy glass wire material.
Because the utility model has adopted above technical scheme, therefore compared with prior art, has following remarkable advantage:
1) axle that will insulate changes spline shape into by cylindrical, and adopt the disposable formed by extrusion and tension of epoxy fibreglass pulling mode, and require length as long as be cut to during use, do not need other processing, processing, owing to be by mould pulling moulding, thereby guaranteed dimensional accuracy and consistency;
2) cancellation counter flange, the moving contact support plate is amplified, the whole bakelite compression moulding of die sinking tool, middle part bloom a key shape hole and an insulation axle close-fitting, sheave center also bloom a key shape hole and an insulation axle close-fitting so promptly simplify the structure, and reduce the requirement to assembling, reduced accumulated error again, guaranteed that three groups of moving contacts are on same vertical plane;
3) structure of moving contact support plate and insulation axle spline shape close-fitting makes its whole spline shape contact-making surface bear radially impulsive force jointly, has solved the problem that existing spindle assemblies relies on straight pin riveted joint counter flange and the impact resistance difference of insulation axle.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of the spindle assemblies of prior art on load tap changer.
Fig. 2 is the structural representation of the spindle assemblies of the utility model on load tap changer.
Fig. 3 is the vertical view of sheave of the spindle assemblies of the utility model on load tap changer.
Fig. 4 is the vertical view of moving contact support plate of the spindle assemblies of the utility model on load tap changer.
Embodiment
See also Fig. 2.The spindle assemblies of on load tap changer of the present utility model comprises: sheave 21, insulation axle 22, and three moving contact support plates 23.Insulation axle 22 is a spline shape, adopts the disposable formed by extrusion and tension of epoxy fibreglass pulling mode.The center of sheave 21 is provided with the spline shape hole 211 (please cooperate referring to Fig. 3) with a close-fitting that insulate, and this sheave 21 is fixed on the top of insulation axle 22.One side of each moving contact support plate is provided with link 231, and the middle part of this link 231 is provided with the spline shape hole 232 with a close-fitting that insulate.
For preventing that each moving contact support plate is along insulation axle axial endplay, the utility model also extends a fillet 233 downwards in the peritreme in the spline shape hole 232 that each moving contact support plate link is provided with, on fillet 233, bore a shallow bore hole (not shown), adopt insulating rod 234 each moving contact support plate 23 and insulation axle 22 riveted joint location.
When sheave rotated, the insulation axle was followed rotation, rotated thereby drive the moving contact keeper, and then made moving contact select to connect different fixed contacts, finally realized the transforming gear of on load tap changer.
The utility model is simple in structure, makes easy to assemblyly, and transforming gear is reliable.
Claims (3)
1, the spindle assemblies of on load tap changer comprises: sheave, insulation axle, and a plurality of moving contact support plate; It is characterized in that,
Described insulation axle is a spline shape;
Described sheave center is provided with the spline shape hole with a close-fitting that insulate, and is fixed on the top of insulation axle;
The center of the link of described each moving contact support plate is provided with the spline shape hole with a close-fitting that insulate, and tightly is enclosed within interval on the insulation axle.
2, the spindle assemblies of on load tap changer according to claim 1, it is characterized in that the edge in the spline shape hole of described each moving contact support plate link is provided with an extension edge, this extension edge is provided with a location hole, adopt insulating rod riveted joint location, prevent each moving contact support plate axial endplay.
3, the spindle assemblies of on load tap changer according to claim 1 is characterized in that, described insulation axle adopts the disposable formed by extrusion and tension of expoxy glass wire material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023922 CN2716997Y (en) | 2004-06-21 | 2004-06-21 | Main shaft assembly for on load tap changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023922 CN2716997Y (en) | 2004-06-21 | 2004-06-21 | Main shaft assembly for on load tap changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2716997Y true CN2716997Y (en) | 2005-08-10 |
Family
ID=34870759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420023922 Expired - Fee Related CN2716997Y (en) | 2004-06-21 | 2004-06-21 | Main shaft assembly for on load tap changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2716997Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407346C (en) * | 2006-05-16 | 2008-07-30 | 贵州长征电器股份有限公司 | Combined mechanical end position limiting mechanism |
| CN113035603A (en) * | 2021-02-08 | 2021-06-25 | 南方电网科学研究院有限责任公司 | Special-shaped contact device of passive-triggered power electronic tap switch |
| CN113066685A (en) * | 2021-02-08 | 2021-07-02 | 广东电网有限责任公司广州供电局 | Passive triggering contact device of power electronic tap switch |
-
2004
- 2004-06-21 CN CN 200420023922 patent/CN2716997Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407346C (en) * | 2006-05-16 | 2008-07-30 | 贵州长征电器股份有限公司 | Combined mechanical end position limiting mechanism |
| CN113035603A (en) * | 2021-02-08 | 2021-06-25 | 南方电网科学研究院有限责任公司 | Special-shaped contact device of passive-triggered power electronic tap switch |
| CN113066685A (en) * | 2021-02-08 | 2021-07-02 | 广东电网有限责任公司广州供电局 | Passive triggering contact device of power electronic tap switch |
| CN113066685B (en) * | 2021-02-08 | 2022-05-20 | 广东电网有限责任公司广州供电局 | Passive triggering contact device of power electronic tap switch |
| CN113035603B (en) * | 2021-02-08 | 2022-06-14 | 南方电网科学研究院有限责任公司 | Special-shaped contact device of passive triggering power electronic tap switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1290245C (en) | Dynamo | |
| CN1960138A (en) | Structure of rotor assembly without the hub and assembly method thereof | |
| CN2716997Y (en) | Main shaft assembly for on load tap changer | |
| JP2008503354A (en) | Crimping assembly manufacturing method and related apparatus | |
| CN1547796A (en) | Biaxial and electric rotating machine coupling | |
| CN1695922A (en) | Full electrodynamic mould locking device of rubber injection machine | |
| JP3972990B2 (en) | Multi-side adjustable connector | |
| CN2669189Y (en) | Machine rotating-axle detector | |
| CN100495614C (en) | Auxiliary switch | |
| CN100342622C (en) | Drive unit for actuators in a motor vehicle | |
| CN2876787Y (en) | Current inductor | |
| CN2763605Y (en) | Rivet joint screw for assembling casing | |
| CN115621809B (en) | Processing technology of copper-aluminum composite terminal | |
| KR20050055624A (en) | Method for producing a steering the rod housing | |
| CN2627840Y (en) | Full-automatic winding machine for rice vermicelli sheet jelly made from bean or sweet potato starch | |
| CN217183083U (en) | Rotor structure of linear stepping motor | |
| CN2600417Y (en) | Soft start beam crane | |
| CN219458278U (en) | Pier pressing equipment for processing copper-aluminum composite material terminal | |
| CN2821821Y (en) | Drum shape no-exciting tap changer | |
| CN221093590U (en) | Auxiliary locking device of electric lifting platform and mounting structure thereof | |
| CN219714725U (en) | Fin handle for passive stabilizer actuator loading rack | |
| CN218284666U (en) | Clamping device is used in processing of copper pipe | |
| CN2800628Y (en) | Motor shock absorption connector | |
| CN217087674U (en) | Multi-linkage electric cylinder | |
| CN1215834A (en) | Weight sensor tuning apparatus for microwave oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Huaming High-Voltage Switchgear Co., Ltd. Assignor: Huaming Power Equipment Manufacturing Co., Ltd., Shanghai Contract fulfillment period: 2005.11.29 to 2014.6.20 Contract record no.: 2008310000091 Denomination of utility model: Main shaft assembly for on load tap changer Granted publication date: 20050810 License type: Exclusive license Record date: 20080926 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.11.29 TO 2014.6.20 Name of requester: SHANGHAI HUAMING HIGH-VOLTAGE ELECTRIC SWITCH MAN Effective date: 20080926 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050810 Termination date: 20130621 |