CN105742022A - Power transformer - Google Patents
Power transformer Download PDFInfo
- Publication number
- CN105742022A CN105742022A CN201610096566.8A CN201610096566A CN105742022A CN 105742022 A CN105742022 A CN 105742022A CN 201610096566 A CN201610096566 A CN 201610096566A CN 105742022 A CN105742022 A CN 105742022A
- Authority
- CN
- China
- Prior art keywords
- paw
- slip pipe
- slide opening
- radially
- 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.)
- Withdrawn
Links
Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Abstract
The invention discloses a power transformer, which comprises a base body, a flat nut and a press claw component and a transformer body, wherein the press claw component comprises three press claws; the base body is provided with a slide tube, a stopping table and three radial guide limiting holes; the flat nut and the transformer body sleeve the outer circumference wall of the slide tube of the base body; the flat nut is located between the radial guide limiting holes and the stopping table; each press claw is located in one corresponding radial guide limiting hole; each press claw is provided with a press plate part, a guide slide block part and a drive thread part; a fastening part is arranged on the outer circumference wall of the flat nut; the flat nut is provided with a flat thread part which is meshed and matched with the drive thread parts of the press claws; the flat nut drives the press claws to be close to one another towards the center of the slide tube or far away from one another when rotating in a reciprocating manner; each radial guide limiting hole comprises a rectangular slide hole and an anti-drop slide hole; each anti-drop slide hole is communicated with the corresponding rectangular slide hole; the guide slide block part of each press claw is provided with a guide part, an anti-drop part and a limiting part; and each drive thread part is arranged on the wall of one side end, adjacent to the flat nut, of the corresponding anti-drop part. The power transformer is convenient to install.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of electric power mutual-inductor.
Background technology
Electric power 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 electric power 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 electric power 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 electric power 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 electric power 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 electric power mutual-inductor of better firmness.
The technical scheme realizing the object of the invention is: a kind of electric power mutual-inductor, including matrix, plane nut, a set of paw assembly and a transformer；Paw assembly includes three paws；Matrix is provided with slip pipe, be arranged on slip pipe periphery wall gear platform and three radially-directed spacing holes being arranged on slip pipe；Plane nut and transformer are all set on the periphery wall of matrix slip pipe, and plane nut is between radially-directed spacing hole and gear platform；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 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；The periphery wall of plane nut is provided with fastening part, and 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 each paw in flat thread portion；During plane nut reciprocating rotation, drive its flat thread portion reciprocating rotation, so by engage the driving threaded portion of adaptation and drive each paw close to each other towards slip pipe center or away from；Each radially-directed spacing hole includes rectangle slide opening and anticreep slide opening, and rectangle slide opening is arranged on the matrix slip pipe edge away from a side of gear platform, forms a breach, and anticreep slide opening connects with rectangle slide opening；Each paw guide runner portion is provided with the guide part in rectangle slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section outside matrix slip pipe, drives threaded portion to be arranged on the side end wall of anti-delinking part adjacent flat nut.
The present invention has positive effect: the electric power 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.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 be transformer shown in Fig. 1 from another angle observe time a kind of perspective view；
Fig. 3 is a kind of front view of transformer shown in Fig. 1；
Fig. 4 is that shown in Fig. 1, the one of transformer partly cuts open structural representation；
Fig. 5 is a kind of explosive view of transformer shown in Fig. 1；
Fig. 6 be transformer shown in Fig. 1 from another angle observe time a kind of explosive view；
Fig. 7 is the explosive view that transformer shown in Fig. 5 decomposes further；
Fig. 8 is a kind of perspective view of the second structure of the present invention.
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, 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, drives threaded portion 44, arcuate groove 45, clamp hole 5, plug 6, arc clip slot 61, support location flange 62, transformer 7.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of electric power mutual-inductor, sees shown in Fig. 1 to Fig. 7, including 1, plane nut 2 of matrix, a set of paw assembly 3 and transformer 7；Paw 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；
Plane nut 2 is ring-type, and plane nut is slidably located on the periphery wall of matrix slip pipe 11；Transformer is also ring-type, and fixed cover is located on the periphery wall of 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 two side ends of transformer and plane nut separation gear platform, radially-directed spacing hole 12 plane nut is away from a side of gear platform；
Radially-directed spacing hole extends radially through slip pipe tube wall along matrix slip pipe；
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, is also three；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 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 is alternatively arranged as the connecting clip of high-tension electricity bare wire and uses.
In the present embodiment, each paw is the integral piece made by cast molding.
Plane nut is between gear platform 13 and paw 4；The internal perisporium of plane nut is the smooth inner wall adaptive with matrix slip pipe periphery wall, the periphery wall of plane nut is provided with fastening part 21, 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 then engages with the driving threaded portion of each paw in flat thread portion, and 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 the matrix slip pipe edge away from a side of gear platform, 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 are along each paw that extends radially through of matrix slip pipe, and the inwall in the inwall of the guide part of each paw, the inwall of anti-delinking part and pressing plate portion is coplanar.
Driving threaded portion to be arranged on the side end wall of anti-delinking part adjacent flat nut, 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, turn plane nut, can make each paw 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 each 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 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；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.
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 again.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, it is different in that: as shown in Figure 8, the present embodiment is for the connecting clip as insulating power cable, on pressing plate portion inwall, also it is provided with multiple puncture 42, specifically, puncturing is arranged on the inwall of arcuate groove in each pressing plate portion, 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.Embodiment 1 is bare wire due to what continue, then can be not provided with puncturing.
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.
In order to promote contact area further, the preferred scheme of the present embodiment is: be equipped with multiple puncture on the inwall of the guide part of each paw, the inwall of anti-delinking part and the inwall in pressing plate portion.
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. an electric power mutual-inductor, it is characterised in that: include matrix, plane nut, a set of paw assembly and a transformer；Paw assembly includes three paws；Matrix is provided with slip pipe, be arranged on slip pipe periphery wall gear platform and three radially-directed spacing holes being arranged on slip pipe；Plane nut and transformer are all set on the periphery wall of matrix slip pipe, and plane nut is between radially-directed spacing hole and gear platform；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 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；The periphery wall of plane nut is provided with fastening part, and 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 each paw in flat thread portion；During plane nut reciprocating rotation, drive its flat thread portion reciprocating rotation, so by engage the driving threaded portion of adaptation and drive each paw close to each other towards slip pipe center or away from；Each radially-directed spacing hole includes rectangle slide opening and anticreep slide opening, and rectangle slide opening is arranged on the matrix slip pipe edge away from a side of gear platform, forms a breach, and anticreep slide opening connects with rectangle slide opening；Each paw guide runner portion is provided with the guide part in rectangle slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section outside matrix slip pipe, drives threaded portion to be arranged on the side end wall of anti-delinking part adjacent flat nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096566.8A CN105742022A (en) | 2016-01-15 | 2016-01-15 | Power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096566.8A CN105742022A (en) | 2016-01-15 | 2016-01-15 | Power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105742022A true CN105742022A (en) | 2016-07-06 |
Family
ID=56246164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096566.8A Withdrawn CN105742022A (en) | 2016-01-15 | 2016-01-15 | Power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742022A (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 CN201610096566.8A patent/CN105742022A/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: 20160706 |
|
| WW01 | Invention patent application withdrawn after publication |