CN105575598A - Electric transformer - Google Patents
Electric transformer Download PDFInfo
- Publication number
- CN105575598A CN105575598A CN201610096567.2A CN201610096567A CN105575598A CN 105575598 A CN105575598 A CN 105575598A CN 201610096567 A CN201610096567 A CN 201610096567A CN 105575598 A CN105575598 A CN 105575598A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- plane nut
- paw
- 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- Withdrawn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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses an electric transformer. The electric transformer comprises a base body, a plane nut, a pressing claw assembly and a transformer body. The pressing claw assembly comprises three pressing claws. The base body is provided with a sliding pipe, a check platform and three radial guide limiting holes. The plane nut and the transformer body are arranged on the peripheral wall of the sliding pipe of the base body in a sleeved mode. The plane nut is located between the radial guide limiting holes and the check platform. The pressing claws are located in the corresponding radial guide limiting holes. Each pressing claw is provided with a pressing plate part, a guide sliding block part and a driving thread part. A fastening part is arranged on the peripheral wall of the plane nut, and the plane nut is provided with a plane thread part matched with the driving thread parts of the pressing claws in a meshed mode. When rotating back and forth, the plane nut drives the pressing claws to get close to or keep away from one another towards the center of the sliding pipe. The three radial guide limiting holes are evenly distributed in the peripheral wall of the sliding pipe of the base body, and penetrate through the wall of the sliding pipe in the radial direction of the sliding pipe of the base body. The driving thread parts are arranged at the side ends, adjacent to the plane nut, of the guide sliding block parts. The electric 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 is applicable to large voltage transitions be become in 1kv to 220kv electric power system small voltage or converts big current to small area analysis so that the instrument transformer of measurement, protection, use.
Mostly existing electric power mutual-inductor is induction instrument transformer, and operation principle is identical with transformer, 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 current converts small area analysis to, after this again for measurement, control, protection.So not only can strengthen measuring instrument from journey, be convenient to instrument standard, reduce control, the voltage and current of proterctive equipment, and instrument and equipment or high-tension circuit are separated, the safety of guarantee 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 generally needs to reserve, therefore makes the application of electric power mutual-inductor be subject to more restriction.
Summary of the invention
The object of this invention is to provide a kind of electric power mutual-inductor being convenient to install location, there is better firmness.
The technical scheme realizing the object of the invention is: a kind of electric power mutual-inductor, is characterized in that: comprise matrix, plane nut, a set of paw assembly and an instrument transformer; Paw assembly comprises three paws; Matrix is provided with slip pipe, be arranged on gear platform on slip pipe periphery wall and three radially-directed spacing holes be arranged on slip pipe; Plane nut and instrument 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 the radial direction of each paw along matrix slip pipe under the guide and limit effect of radially-directed spacing hole reciprocatingly slides; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be 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 the driving threaded portion of engaging adaptation with it drive each paw towards slip pipe center close to each other or away from; Three radially-directed spacing holes are evenly distributed on the periphery wall of matrix slip pipe, and each radially-directed spacing hole runs through slip pipe tube wall along the radial direction of matrix slip pipe; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; The fastening part of plane nut is the outer-hexagonal shape fastener head be arranged on plane nut periphery wall.
The present invention has positive effect: (1) electric power mutual-inductor of the present invention, owing to carrying press claw type retaining mechanism, does not need reserved installation position, is easy to install, and has good anti-loosening effect, and firm intensity is higher and reliable and stable.(2) the present invention drives paw clamping electric power cable by flat thread portion, compares, can apply larger pressure, and have excellent anti-loosening effect, effectively ensure the reliability of long-term work with by traditional bolt assembly clamping electric power cable.(3) the present invention is by being arranged on matrix slip pipe center cable clamping, and its gravity centre distribution is comparatively 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 is for instrument transformer shown in Fig. 1 is from a kind of perspective view during another angle views;
A kind of front view that Fig. 3 is instrument transformer shown in Fig. 1;
Fig. 4 partly cuts open structural representation for the one of instrument transformer shown in Fig. 1;
A kind of explosive view that Fig. 5 is instrument transformer shown in Fig. 1;
Fig. 6 is for instrument transformer shown in Fig. 1 is from a kind of explosive view during another angle views;
The explosive view that Fig. 7 decomposes further for instrument transformer shown in Fig. 5;
Fig. 8 is a kind of perspective view of the second structure of the present invention.
Be 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, deep-slotted chip breaker 45, clamp hole 5, plug 6, arc clip slot 61, supporting and location flange 62, instrument transformer 7.
Embodiment
(embodiment 1)
The present embodiment is a kind of electric power mutual-inductor, sees shown in Fig. 1 to Fig. 7, comprises matrix 1, plane nut 2, a set of paw assembly 3 and instrument transformer 7; Paw assembly comprises three paws 4; Matrix is provided with slip pipe 11, is arranged on the radially-directed spacing hole 12 on slip pipe and is arranged on the gear platform 13 formed along the radial evagination of slip pipe on slip pipe periphery wall;
Plane nut 2 is ring-type, and plane nut is slidably located on the periphery wall of matrix slip pipe 11; Instrument transformer is also ring-type, and fixed cover is located on the periphery wall of matrix slip pipe;
The shape of gear platform is ring-type, and gear platform is positioned at the middle-end of matrix slip pipe;
The two side ends of instrument 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 runs through slip pipe tube wall along the radial direction of 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 the radial direction of each paw along matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole reciprocatingly slides;
Each paw is provided with pressing plate portion 41, along the guide runner portion 43 that matrix slip pipe 11 radial direction extends to form and the driving threaded portion 44 that is 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 a deep-slotted chip breaker 45, and the deep-slotted chip breaker of multiple paw encloses formation one clamp hole 5.External cable is arranged in this clamp hole 5.
The connecting clip that the present embodiment also can be used as high-tension electricity bare wire 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 with matrix slip pipe periphery wall adaptation, 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 the side that plane nut adjoins gear platform slides adjacent with gear platform; The fastening part 21 of the present embodiment midplane nut is the outer-hexagonal shape fastener head be arranged 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, such as, adopt the multiple binding grooves be 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 comprises rectangle slide opening 121 and anticreep slide opening 122, rectangle slide opening is arranged on the edge of matrix slip pipe away from a side of gear platform, form a breach, anticreep slide opening is communicated with rectangle slide opening, anticreep slide opening is positioned at the inboard of rectangle slide opening, and anticreep slide opening and rectangle slide opening are combined to form T-shaped hole;
The limiting section 433 that each paw guide runner portion 43 is provided with the guide part 431 being arranged in rectangle slide opening, the anti-delinking part 432 being arranged in anticreep slide opening and is positioned at outside matrix slip pipe, the cross sectional shape that the guide part 431 of each paw, anti-delinking part 432 and limiting section 433 are combined to form is I-shaped; Each paw is run through along the radial direction of matrix slip pipe in the guide part 431 of each paw and anti-delinking part 432, 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.
Threaded portion is driven 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 adaptation; Drive threaded portion to protrude to be arranged on the side end wall of anti-delinking part adjacent flat nut, make to drive threaded portion can not move in anticreep slide opening.
The present embodiment, when assembling, first can be located at plane nut sleeve on matrix slip pipe, makes it be connected on gear platform; Again along direction from outside to inside in matrix slip pipe radial direction, the guide part of each paw and anti-delinking part are filled in a corresponding radially-directed spacing hole 12, the driving threaded portion of paw is made to be 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 the driving threaded portion of engaging adaptation with it, because each paw can only move back and forth along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole 12, thus make 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 comparatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration; In addition, the present embodiment drives paw clamping electric power cable by flat thread portion, compares with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, effectively ensures the reliability of long-term work.
The present embodiment, owing to carrying press claw type retaining mechanism, does not need reserved installation position, is easy to install, and has good anti-loosening effect, and firm intensity is higher and reliable and stable.The present embodiment can by induction mode from the cable of being locked by paw obtain induced voltage and convert thereof into low pressure export, can be used for as DATA REASONING or the power supply as auxiliary equipment.Such as, the auxiliary equipment such as camera, temperature sensor, humidity sensor or the lightning stroke counter with wireless transmit/receive units can be fixedly installed in the bottom of matrix slip pipe, for monitoring in real time the environment of surrounding, and send real time information to distance host by wireless transmit/receive units, for power circuit intellectuality provides basic data; Then continuable electric power supply is stablized for these auxiliary equipment provide in the present embodiment.In addition, the present embodiment also can be used for high-voltage switch gear, box-type substation and switch cubicle, for being clamped in electric power cable; In sum, the present embodiment both can be used as the power taking wire clamp that continues, and can be used as again radio source and used.
(embodiment 2)
The present embodiment is substantially identical with embodiment 1, difference is: as shown in Figure 8, the present embodiment is in order to be used as the connecting clip of insulating power cable, also on pressing plate portion inwall, be provided with multiple puncture 42, specifically, puncture is arranged on the inwall of the deep-slotted chip breaker in each pressing plate portion, and each puncture is radially-inwardly protruded along matrix slip pipe 11.The existence of puncture, can not carry out peeling process to insulating power cable, effectively can connect electricity.Embodiment 1 is bare wire due to what continue, then can not arrange puncture.
Each puncture is made when cast molding; In concrete practice, puncture also can adopt alternate manner to make; Such as on the inwall in pressing plate portion, be 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, puncture sheet comprises installation portion and thorn blade, and installation portion is inlaid in be installed in draw-in groove, and thorn blade then exposes installing card groove and forms puncture.The benefit of this structure is that puncture sheet can adopt the material different with paw to make, and especially selects and treats that clamp cable same material used is made, being conducive to obtaining better electrical gas performance.
In order to promote contact area further, the preferred scheme of the present embodiment is: the inwall in the inwall of the guide part of each paw, the inwall of anti-delinking part and pressing plate portion is equipped with multiple puncture.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, 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 exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1. an electric power mutual-inductor, is characterized in that: comprise matrix, plane nut, a set of paw assembly and an instrument transformer; Paw assembly comprises three paws; Matrix is provided with slip pipe, be arranged on gear platform on slip pipe periphery wall and three radially-directed spacing holes be arranged on slip pipe; Plane nut and instrument 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 the radial direction of each paw along matrix slip pipe under the guide and limit effect of radially-directed spacing hole reciprocatingly slides; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be 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 the driving threaded portion of engaging adaptation with it drive each paw towards slip pipe center close to each other or away from;
Three radially-directed spacing holes are evenly distributed on the periphery wall of matrix slip pipe, and each radially-directed spacing hole runs through slip pipe tube wall along the radial direction of matrix slip pipe; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; The fastening part of plane nut is the outer-hexagonal shape fastener head be arranged on plane nut periphery wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096567.2A CN105575598A (en) | 2016-01-15 | 2016-01-15 | Electric transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096567.2A CN105575598A (en) | 2016-01-15 | 2016-01-15 | Electric transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105575598A true CN105575598A (en) | 2016-05-11 |
Family
ID=55885629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096567.2A Withdrawn CN105575598A (en) | 2016-01-15 | 2016-01-15 | Electric transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105575598A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027506A (en) * | 2018-09-10 | 2018-12-18 | 张家港爱力星材料有限公司 | A kind of pipeline construction method without heating direct insertion connection |
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 CN201610096567.2A patent/CN105575598A/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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027506A (en) * | 2018-09-10 | 2018-12-18 | 张家港爱力星材料有限公司 | A kind of pipeline construction method without heating direct insertion connection |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160511 |