CN105761918A - Electric power high-voltage transformer - Google Patents
Electric power high-voltage transformer Download PDFInfo
- Publication number
- CN105761918A CN105761918A CN201610097270.8A CN201610097270A CN105761918A CN 105761918 A CN105761918 A CN 105761918A CN 201610097270 A CN201610097270 A CN 201610097270A CN 105761918 A CN105761918 A CN 105761918A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- radially
- puncture
- matrix
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
Abstract
The invention discloses an electric power high-voltage transformer which comprises a base body, two plane nuts, two pressing claw assemblies and a transformer body.The base body is provided with a slide pipe, radial guide limiting holes and a blocking table.Each pressing claw assembly comprises three pressing claws.The two upward ends of the slide pipe of the base body are each provided with the three corresponding radial guide limiting holes.Each pressing claw is located in the corresponding radial guide limiting hole.Each plane nut is matched with the corresponding pressing claw assembly.Each plane nut drives the pressing claws in the corresponding pressing claw assembly to get close to or away from one another towards the center of the slide pipe.A plurality of installation clamping grooves used for installing puncture pieces in an embedded mode are formed in the inner walls of pressing plate parts.Each puncture piece comprises an installation part and a puncture blade part.The installation parts are embedded in the installation clamping grooves.The puncture blade parts are exposed out of the installation clamping grooves to form puncture parts.The puncture parts protrude inwards in the radial direction of the slide pipe of the base body.The electric power high-voltage transformer is easy to install and use.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of power high voltage transformer.
Background technology
High-voltage mutual inductor apply to big voltage is converted to small voltage by 1kv to 220kv power system or convert big electric current to small area analysis so that measure, protection, the transformer that uses.
Mostly existing high-voltage mutual inductor is induction transformer, and operation principle is identical with transformator, and basic structure is also iron core and former and deputy winding.The Main Function of high-voltage mutual inductor is as follows: high voltage is converted to low-voltage, and big electric current converts small area analysis to, hereafter again for measuring, control, protecting.So not only can strengthen measurement instrument from journey, it is simple to instrument standard, reduce control, the voltage and current of protection equipment, and make instrument separate with equipment or high-tension circuit, it is ensured that the safety of instrument, equipment and staff.
Mostly the mounting means of existing high-voltage mutual inductor is to adopt flange install fixing or adopt bonding mode to fix, and its installation site is it is generally required to reserve, so that the application of high-voltage mutual inductor is subject to more restriction.
Summary of the invention
It is an object of the invention to provide and a kind of be easily installed location, there is the power high voltage transformer of better firmness.
The technical scheme realizing the object of the invention is: a kind of power high voltage transformer, it is characterised in that: include matrix, two plane nuts, two casing pressure claw assemblies and a transformer；Matrix is provided with slip pipe, be arranged on slip pipe radially-directed spacing hole and the gear platform being arranged on slip pipe periphery wall；Each casing pressure claw assembly includes three paws；Matrix slip pipe two ends axially respectively arrange three radially-directed spacing holes, and each paw is arranged in a corresponding radially-directed spacing hole, and each paw reciprocatingly slides along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole；Each plane nut and corresponding a set of paw assembly are adaptive；Each plane nut sleeve is located on the periphery wall of matrix slip pipe, and between gear platform and corresponding a set of paw assembly；The middle part of gear platform is provided with a circular orientation groove, and transformer is fixedly installed in this detent；Each paw is provided with pressing plate portion, radially extend formation along matrix slip pipe guide runner portion and the driving threaded portion being arranged in guide runner portion；Threaded portion is driven to be arranged on a guide runner portion side close to gear platform；The periphery wall of each plane nut is provided with fastening part, and each plane nut is provided with flat thread portion away from a side of gear platform, and adaptation then engages with the driving threaded portion of three paws in corresponding a set of paw assembly in each flat thread portion；Each plane nut drives its flat thread portion reciprocating rotation, so by engage adaptation drive threaded portion to drive three paws in corresponding a set of paw assembly close to each other towards slip pipe center or away from；The inwall in pressing plate portion is provided with multiple for being embedded in the installation draw-in groove puncturing sheet；Puncturing sheet include installation portion and sting blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture；Each puncture is radially-inwardly protruded along matrix slip pipe.
The present invention has positive effect: the high-voltage mutual inductor of (1) present invention is owing to carrying press claw type retaining mechanism, it is not necessary to reserved installation position, it is easy to installing, and have good anti-loosening effect, firm intensity is relatively high and stable reliably.(2) present invention drives paw clamping electric power cable by flat thread portion, compares with by traditional bolt assembly clamping electric power cable, it is possible to apply bigger pressure, and have excellent anti-loosening effect, be effectively ensured the reliability of long-term work.(3) present invention is by being arranged on matrix slip pipe center cable clamping, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.(4) present invention adopts two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe, in use goes wrong even if wherein a set of, also has its service behaviour of another set of guarantee.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is a kind of front view of transformer shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of transformer partly cuts open structural representation；
Fig. 4 is a kind of explosive view of transformer shown in Fig. 1；
Fig. 5 is the explosive view that transformer shown in Fig. 4 decomposes further after removing section components.
It is labeled as shown in accompanying drawing: matrix 1, slip pipe 11, radially-directed spacing hole 12, rectangle slide opening 121, anticreep slide opening 122, gear platform 13, detent 131, positioning runner 15, plane nut 2, fastening part 21, flat thread portion 22, paw assembly 3, paw 4, pressing plate portion 41, puncture 42, guide runner portion 43, guide part 431, anti-delinking part 432, limiting section 433, drive threaded portion 44, arcuate groove 45, clamp hole 5, plug 6, arc clip slot 61, supports location flange 62, voltage transformer 7, zero sequence current mutual inductor 8.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of power high voltage transformer, sees shown in Fig. 1 to Fig. 5, including 1, two plane nut 2, two casing pressure claw assemblies 3 of matrix and a transformer 7；Each casing pressure claw assembly includes three paws 4；Matrix is provided with slip pipe 11, be arranged on slip pipe radially-directed spacing hole 12 and be arranged on slip pipe periphery wall along the slip pipe gear platform 13 that radially evagination is formed；Radially-directed spacing hole extends radially through slip pipe tube wall along matrix slip pipe；Keeping off the ring-type that is shaped as of platform, gear platform is positioned at the middle-end of matrix slip pipe；
The middle part of gear platform is provided with a circular orientation groove 131, and transformer 7 is fixedly installed in this detent；Due to electric power cable traverse from matrix slip pipe tube chamber, this transformer can obtain relatively low induced voltage by induction mode, for using as the power supply of auxiliary equipment.Such as, the auxiliary equipment such as there is the photographic head of wireless transmit/receive units, temperature sensor, humidity sensor or lightning stroke counter can be fixedly installed in the bottom of matrix slip pipe, for the environment around this transformer is carried out monitor in real time, and send real time information to distance host by wireless transmit/receive units, provide basic data for power circuit intellectuality；Voltage transformer in the present embodiment then provides for these auxiliary equipment stablizes continuable electric energy supply.
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, totally six, and matrix slip pipe two ends axially respectively arrange three radially-directed spacing holes, and these three radially-directed spacing holes are for adaptive with corresponding a set of paw assembly 3；Each paw is arranged in a corresponding radially-directed spacing hole 12, and each paw reciprocatingly slides along the radial direction of matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole；
Each plane nut 2 be shaped as ring-type, each plane nut sleeve is located on the periphery wall of matrix slip pipe 11, and gear platform 13 and corresponding a set of paw assembly 3 between；The two side ends of two plane nut separation gear platforms, two casing pressure claw assemblies are also lived apart and are kept off the two side ends of platform.
Each paw is provided with pressing plate portion 41, radially extend formation along matrix slip pipe 11 guide runner portion 43 and the driving threaded portion 44 being arranged in guide runner portion；Threaded portion 44 is driven to be arranged on a side of guide runner portion adjacent flat nut；The inwall in pressing plate portion is curved, forms an arcuate groove 45, and the arcuate groove of multiple paws encloses formation one clamp hole 5.External cable is arranged in this clamp hole 5.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 42 on pressing plate portion inwall, specifically, punctures and is arranged on the inwall of each arcuate groove, and each puncture is radially-inwardly protruded along matrix slip pipe 11.The existence punctured, it is possible to insulating power cable is not being carried out peeling process, can effectively connect electricity.In concrete practice, if what to clamp is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by cast molding, and each puncture is made when cast molding；In concrete practice, puncture may be used without alternate manner and makes；On the inwall in pressing plate portion, such as it is provided with multiple installation draw-in groove, then installed in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet made, puncturing sheet include installation portion and sting blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure is to puncture sheet the material different with paw can be adopted to make, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferably electric property.
The internal perisporium of each plane nut is the smooth inner wall adaptive with matrix slip pipe periphery wall, the periphery wall of each plane nut is provided with fastening part 21, each plane nut is provided with flat thread portion 22 away from a side of gear platform, flat thread portion is provided with archimedean spiral groove, adaptation is then engaged in flat thread portion with the driving threaded portion of paw, and each plane nut adjoins a side of gear platform and slides adjacent with gear platform；The fastening part 21 of the present embodiment midplane nut is provided in the outer-hexagonal shape fastener head on plane nut periphery wall, and it is twisted operation and adopts inner hexagon spanner, shfting wrench or fork spanner；In concrete practice, described fastening part just can adopt other shape, for instance adopts the multiple binding grooves being evenly distributed on plane nut periphery wall, and it is twisted operation and adopts hook type spanner (being commonly called as hook spanner).
In the present embodiment, each radially-directed spacing hole 12 includes rectangle slide opening 121 and anticreep slide opening 122, rectangle slide opening is arranged on matrix slip pipe away from gear edge of table place, form a breach, anticreep slide opening connects with rectangle slide opening, anticreep slide opening is positioned at the inboard of rectangle slide opening, anticreep slide opening and the combination of rectangle slide opening and forms T-shaped hole；
Each paw guide runner portion 43 is provided with the guide part 431 in rectangle slide opening, is arranged in the anti-delinking part 432 of anticreep slide opening and is positioned at the limiting section 433 outside matrix slip pipe, and the cross sectional shape that the guide part 431 of each paw, anti-delinking part 432 and limiting section 433 combination are formed is I-shaped；The guide part 431 of each paw and anti-delinking part 432, along each paw that extends radially through of matrix slip pipe, the inwall of guide part 431 of each paw, the inwall of anti-delinking part 432 and the inwall in pressing plate portion 41 are equipped with multiple puncture；Driving threaded portion to be arranged on the side end wall away from gear platform of the anti-delinking part, the shape of anti-delinking part and anticreep slide opening are adaptive；Drive threaded portion to protrude and be arranged on the side end wall of anti-delinking part adjacent flat nut so that drive threaded portion to cannot move in anticreep slide opening.
The present embodiment, when assembling, first can be located at plane nut sleeve on matrix slip pipe so that it is is connected on gear platform；Again along matrix slip pipe radially from direction outside to inside, the guide part of each paw and anti-delinking part are filled in a corresponding radially-directed spacing hole 12, the threaded portion that drives making paw is crimped on the periphery in plane nut flat thread portion, one plane nut of turn, can make three paws adaptive with this plane nut close to each other towards matrix slip pipe center.
The present embodiment, when carrying out clamp operation, adopts inner hexagon spanner, shfting wrench or fork spanner to twist plane nut；Plane nut is in reciprocating rotation, drive its flat thread portion reciprocating rotation, and then drive paw by engaging the driving threaded portion of adaptation, owing to each paw radial direction only along matrix slip pipe under the guide and limit effect of radially-directed spacing hole 12 moves back and forth, so that the move mode of each paw be close to each other towards slip pipe center or away from, thus clamping or unclamp the electric power cable being arranged in clamp hole 5.
The present embodiment is by being arranged on cable clamping at the longitudinal center line place of matrix slip pipe, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration；It addition, the present embodiment drives paw clamping electric power cable by flat thread portion, compare with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, it is effectively ensured the reliability of long-term work.
In the present embodiment, the both sides of gear platform respectively have a plane nut and a set of paw assembly adaptive with this plane nut, during this plane nut rotation, drive three paws in this casing pressure claw assembly along the radial direction of matrix slip pipe, close to each other towards matrix slip pipe center or away from.This structure makes each casing pressure claw assembly can individually clamp and unclamp.It addition, two casing pressure claw assemblies are clamped on same cable, there is the effect of dual fail-safe, in use go wrong even if wherein a set of, also have its service behaviour of another set of guarantee.
The present embodiment is owing to carrying press claw type retaining mechanism, it is not necessary to reserved installation position, it is easy to installing, and have good anti-loosening effect, firm intensity is relatively high and stable reliably.The present embodiment can be obtained induced voltage by induction mode and convert thereof into low pressure output from the cable locked by paw, is used as DATA REASONING or the power supply as auxiliary equipment.Such as, the auxiliary equipment such as there is the photographic head of wireless transmit/receive units, temperature sensor, humidity sensor or lightning stroke counter can be fixedly installed in the bottom of matrix slip pipe, for the environment of surrounding is carried out monitor in real time, and send real time information to distance host by wireless transmit/receive units, provide basic data for power circuit intellectuality；The present embodiment then provides for these auxiliary equipment and stablizes continuable electric energy supply.It addition, the present embodiment can be additionally used in high-voltage switch gear, box-type substation and switch cubicle, for being clamped in electric power cable；In sum, the present embodiment can not only be used for the power taking wire clamp that continues, and can use as radio source namely high-voltage mutual inductor again.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (1)
1. a power high voltage transformer, it is characterised in that: include matrix, two plane nuts, two casing pressure claw assemblies and a transformer；Matrix is provided with slip pipe, be arranged on slip pipe radially-directed spacing hole and the gear platform being arranged on slip pipe periphery wall；Each casing pressure claw assembly includes three paws；Matrix slip pipe two ends axially respectively arrange three radially-directed spacing holes, and each paw is arranged in a corresponding radially-directed spacing hole, and each paw reciprocatingly slides along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole；Each plane nut and corresponding a set of paw assembly are adaptive；Each plane nut sleeve is located on the periphery wall of matrix slip pipe, and between gear platform and corresponding a set of paw assembly；
The middle part of gear platform is provided with a circular orientation groove, and transformer is fixedly installed in this detent；
Each paw is provided with pressing plate portion, radially extend formation along matrix slip pipe guide runner portion and the driving threaded portion being arranged in guide runner portion；Threaded portion is driven to be arranged on a guide runner portion side close to gear platform；
The periphery wall of each plane nut is provided with fastening part, and each plane nut is provided with flat thread portion away from a side of gear platform, and adaptation then engages with the driving threaded portion of three paws in corresponding a set of paw assembly in each flat thread portion；Each plane nut drives its flat thread portion reciprocating rotation, so by engage adaptation drive threaded portion to drive three paws in corresponding a set of paw assembly close to each other towards slip pipe center or away from；
The inwall in pressing plate portion is provided with multiple for being embedded in the installation draw-in groove puncturing sheet；Puncturing sheet include installation portion and sting blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture；Each puncture is radially-inwardly protruded along matrix slip pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097270.8A CN105761918A (en) | 2016-01-15 | 2016-01-15 | Electric power high-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097270.8A CN105761918A (en) | 2016-01-15 | 2016-01-15 | Electric power high-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105761918A true CN105761918A (en) | 2016-07-13 |
Family
ID=56331028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097270.8A Withdrawn CN105761918A (en) | 2016-01-15 | 2016-01-15 | Electric power high-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105761918A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN203679326U (en) * | 2014-01-24 | 2014-07-02 | 华南理工大学 | Novel flexible four-jaw chuck |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
-
2016
- 2016-01-15 CN CN201610097270.8A patent/CN105761918A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN203679326U (en) * | 2014-01-24 | 2014-07-02 | 华南理工大学 | Novel flexible four-jaw chuck |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160713 |
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| WW01 | Invention patent application withdrawn after publication |