CN105845328A - High-voltage power transformer for improving wire clamping strength - Google Patents
High-voltage power transformer for improving wire clamping strength Download PDFInfo
- Publication number
- CN105845328A CN105845328A CN201610096609.2A CN201610096609A CN105845328A CN 105845328 A CN105845328 A CN 105845328A CN 201610096609 A CN201610096609 A CN 201610096609A CN 105845328 A CN105845328 A CN 105845328A
- Authority
- CN
- China
- Prior art keywords
- press
- core pipe
- paw
- base tube
- claw assembly
- 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- Withdrawn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
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- 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 high-voltage power transformer for improving wire clamping strength. The high-voltage power transformer comprises a base body, a voltage transformer, two press rings and two sets of press claw assemblies, wherein the base body comprises a base tube part, a core tube part and a connection plate part, internal threaded regions are arranged on the inner walls of the two side ends of the base tube part, a plurality of guide sliding holes are formed in the tube wall of the core tube part, each set of press claw assembly comprises a plurality of press claws, each press claw is provided with a press plate part and a guide sliding post part, a stress inclined surface is arranged at the top end of the guide sliding post part, the voltage transformer comprises an annular induction body, a wire clamping hole is formed in a hole cavity of the annular induction body, each press ring is adaptive to one corresponding set of press claw assembly and comprises a conical crimping surface and an external threaded region, the conical crimping surface is clamped on the stress inclined surface of each set of press claw assembly, and the press plate part in each set of press claw assembly moves towards the center of the core tube part when each press ring rotates along a preset direction. The high-voltage power transformer is convenient to install and position and has relatively high firmness.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to the high-voltage mutual inductor of a kind of improving clamping line strength.
Background technology
High-voltage mutual inductor applies to big voltage is converted in 1kv to 220kv power system small voltage or is turned by big electric current
Change small area analysis into so that the transformer measuring, protect, use.
Mostly existing high-voltage mutual inductor is induction transformer, and operation principle is identical with transformator, and basic structure is also ferrum
Core and former and deputy winding.The Main Function of high-voltage mutual inductor is as follows: high voltage is converted into low-voltage, and big electric current is converted into
Small area analysis, the most again for measuring, control, protecting.The most not only can strengthen measuring instruments from journey, it is simple to instrument mark
Standardization, reduces the voltage and current controlling, protecting equipment, and makes instrument separate with equipment or high-tension circuit, it is ensured that instrument
The safety of table, equipment and staff.
Mostly the mounting means of existing high-voltage mutual inductor is to use flange install fixing or use bonding mode to fix, and it is installed
Position is it is generally required to reserve, so that the application of high-voltage mutual inductor is by 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 high pressure of the improving clamping line strength of preferable firmness
Transformer.
The technical scheme realizing the object of the invention is: the high-voltage mutual inductor of a kind of improving clamping line strength, including a matrix,
One voltage transformer, two pressure rings and two casing pressure claw assemblies；Matrix includes base tube portion, the core being arranged in base tube tube chamber
Pipe portion and for connecting fixing base tube portion and the web portion in core pipe portion；It is equipped with interior spiral shell on the inwall of base tube portion two side ends
Stricture of vagina district；The both sides of two internal threaded regions separation web portion；The tube wall in core pipe portion is provided with two groups of pilot holes, leads for these two groups
The both sides of web portion it are positioned to hole；Each group pilot hole includes multiple guiding slide opening；Each slide opening that guides radially passes through along core pipe portion
The tube wall in punching pipe portion；Each casing pressure claw assembly includes multiple paw；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；
Each paw is provided with pressing plate portion and guides traveller portion；Guide traveller portion and protrude above formation from pressing plate portion, guide the top in traveller portion
It is provided with a stress inclined-plane；The pressing plate portion of each paw is positioned in the tube chamber in core pipe portion, guides traveller portion and leads through corresponding one
It extend out to the outside in core pipe portion to slide opening, and be positioned in the tube chamber in base tube portion；Pressing plate portion clamping shape in each casing pressure claw assembly
Become one for the clamp hole clamping electric power cable；Voltage transformer includes toroidal inductive body；Clamp hole is positioned at annular sense
Answer in the vestibule of body；The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Respectively
Pressure ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall；Each pressure ring
Taper electrolysis is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and base tube portion interior
Threaded area is adaptive；Each pressure ring along preset direction rotate time, pushed in corresponding a set of paw assembly by taper electrolysis and press
The stress inclined-plane of pawl so that in each casing pressure claw assembly pressing plate portion move towards the center in core pipe portion, thus clamping is positioned at
Electric power cable in clamp hole.
The present invention has positive effect: the high-voltage mutual inductor of (1) present invention, owing to carrying press claw type retaining mechanism, is not required to
Installation position to be reserved, it is easy to install；(2) pressure ring and base tube portion connect threadably, and are crimped by taper electrolysis
Each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(3) by line
Cable clip is tightly arranged at core tube hub so that overall gravity centre distribution is relatively reasonable, when for high-altitude overhead power line
Time, be conducive to alleviating vibration.(4) present invention uses two casing pressure claw assemblies to be clamped on same cable, has dual fail-safe
Effect, in use goes wrong even if the most a set of, its service behaviour of the most another set of guarantee.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is that shown in Fig. 1, the one of high-voltage mutual inductor partly cuts open structural representation；
Fig. 3 is that in high-voltage mutual inductor shown in Fig. 1, the one of matrix partly cuts open structural representation；
Fig. 4 is a kind of explosive view of high-voltage mutual inductor shown in Fig. 1；
Fig. 5 is a kind of explosive view after high-voltage mutual inductor shown in Fig. 1 removes pressure ring and voltage transformer.
Detailed description of the invention
(embodiment 1)
The present embodiment is the high-voltage mutual inductor of a kind of improving clamping line strength, as shown in Fig. 1 to Fig. 5, including a matrix 1,
8, two pressure rings of one voltage transformer 2 and two casing pressure claw assemblies 3.
Matrix 1 includes base tube portion 11, be arranged in base tube tube chamber core pipe portion 12 and for connect fixing base tube portion and
The web portion 13 in core pipe portion；It is equipped with 1 mouthful, internal threaded regions on the inwall of the axial two side ends in base tube portion 11；Base tube portion and
Core pipe portion is arranged concentrically, and web portion is in the annular slab between base tube portion and core pipe portion, in the present embodiment, connecting plate
Portion is positioned at the axial middle-end in base tube portion and core pipe portion, the both sides of two internal threaded regions separation web portion；In concrete practice,
The planform of web portion has only to meet and is fixedly connected with in base tube portion and core pipe portion.
Base tube portion, core pipe portion and web portion in the present embodiment are integral pieces, may be used without split in concrete practice
The form of part.
The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at the both sides of web portion；Respectively organize pilot hole
Guiding slide openings 121 including four, these four guide slide opening and are evenly distributed on the tube wall in core pipe portion along the circumference in core pipe portion；
Each slide opening that guides extends radially through the tube wall in core pipe portion along core pipe portion, and each shape guiding slide opening is I shape.At concrete practice
In, the shape guiding slide opening may be used without other shape, the most circular, square, rhombus, is all feasible.
Each casing pressure claw assembly 3 includes four paws 31；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；Each paw sets
There is pressing plate portion 311 and guide traveller portion 312；Guide traveller portion and protrude formation from a side in pressing plate portion, guide traveller portion
Being positioned at corresponding one and guide in slide opening, the top guiding traveller portion is provided with a stress inclined-plane 313；Pressing plate portion away from leading
To the one end in traveller portion as the inwall in pressing plate portion, the inwall in pressing plate portion is provided with arcuate groove 314.Each guiding traveller portion
Shape and the shape adaptation of guiding slide opening, respectively guide radial direction side along core pipe portion under the position-limiting action guiding slide opening of traveller portion
To reciprocatingly sliding.
The pressing plate portion of each paw is positioned in the tube chamber in core pipe portion, guides traveller portion and extend out to core through a corresponding guiding slide opening
The outside in pipe portion, and be positioned in the tube chamber in base tube portion.
In the present embodiment, in each casing pressure claw assembly, the arcuate groove clamping formation one in four pressing plate portions is used for clamping electric power cable
Clamp hole 4.
The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Each pressure ring 2 includes setting
Put the taper electrolysis 21 within it perisporium and the external screw thread district 22 being arranged on pressure ring periphery wall；The taper of each pressure ring
Electrolysis is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and the female thread in base tube portion
District is adaptive.
In the present embodiment, each pressure ring rotates and is arranged on the periphery wall in core pipe portion, outside the inwall of pressure ring is provided with core pipe portion
The concentric stroking junction that perisporium slip is adjacent；But in concrete practice, the internal perisporium of pressure ring can with the periphery wall in core pipe portion it
Between reserve gap, be also feasible.
Being equipped with multiple binding groove 5 on the periphery wall of pressure ring and the periphery wall in base tube portion in the present embodiment, it twists permissible
Employing hook spanner operates, and certainly may be used without other fastening means, such as in the periphery wall of pressure ring and base tube portion
Hexagonal shape fastener head is set on periphery wall, is also feasible.
Each pressure ring along preset direction rotate time, push the stress of paw in corresponding a set of paw assembly by taper electrolysis
Inclined-plane so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is positioned in clamp hole
Electric power cable.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity guiding slide opening in each group of pilot hole, can two to
Select between five.
Voltage transformer includes toroidal inductive body 81 and intelligent control module；In the present embodiment, on the internal perisporium of core pipe
Being provided with annular groove 123, the opening of this annular groove 123 is positioned on the internal perisporium of the axial middle-end in core pipe portion, this groove edge
Core pipe portion extends radially in web portion；The toroidal inductive body of voltage transformer and intelligent control module are fixed on ring
In connected in star.In concrete practice, voltage transformer also can be fixedly installed on other position, as long as making position, clamp hole
In the vestibule of toroidal inductive body, namely have only to so that cable passes the vestibule of toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, and intelligent control module passes through wireless transmit/receive units annular matrix
The secondary voltage or the current signal that sense send distance host to, to realize accurate long-range no worker monitor；This structure
Space can be made full use of, be conducive to the small-sized and integrated of entirety.
The present embodiment, in order to connect electricity on insulating power cable or promote chuck strength, is also provided with multiple wearing in each arcuate groove
Thorn 6；Specifically, each puncture is along the radially protruding in core pipe portion.The existence punctured, can be without to insulating power cable
Carry out peeling process, can effectively connect electricity.In concrete practice, if to be clamped is bare wire, then can be not provided with puncturing
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming；?
In concrete practice, puncture may be used without alternate manner and makes；In each arcuate groove, such as it is provided with multiple installation draw-in groove, then
Install in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncture sheet and include installation portion and thorn blade, peace
Dress 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 that puncture sheet can
To use the material different with paw to make, especially select and treat that same material used by clamp cable is made, being conducive to obtaining
Preferably electric property.
The present embodiment has following Advantageous Effects: (1) pressure ring and base tube portion connect threadably, and pass through taper
Electrolysis crimps each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(2)
By cable clamping is arranged on center, core pipe portion so that overall gravity centre distribution is relatively reasonable, when built on stilts for high-altitude
Time on power circuit, be conducive to alleviating vibration.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to this
The restriction of the embodiment of invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And this
Belong to obvious change that the connotation of the present invention extended out a bit or variation still falls within protection scope of the present invention.
Claims (1)
1. the high-voltage mutual inductor of an improving clamping line strength, it is characterised in that: include a matrix, a mutual induction of voltage
Device, two pressure rings and two casing pressure claw assemblies；Matrix includes base tube portion, be arranged in base tube tube chamber core pipe portion and for
Connect fixing base tube portion and the web portion in core pipe portion；It is equipped with internal threaded regions on the inwall of base tube portion two side ends；In two
The both sides of threaded area separation web portion；The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at connection
The both sides in plate portion；Each group pilot hole includes multiple guiding slide opening；Each slide opening that guides extends radially through the pipe in core pipe portion along core pipe portion
Wall；Each casing pressure claw assembly includes multiple paw；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；Each paw is provided with pressure
Plate portion and guiding traveller portion；Guiding traveller portion and protrude above formation from pressing plate portion, the top guiding traveller portion is provided with a stress
Inclined-plane；The pressing plate portion of each paw is positioned in the tube chamber in core pipe portion, guides traveller portion and extend out to through a corresponding guiding slide opening
The outside in core pipe portion, and be positioned in the tube chamber in base tube portion；Pressing plate portion clamping in each casing pressure claw assembly forms one and is used for pressing from both sides
The clamp hole of tight electric power cable；Voltage transformer includes toroidal inductive body；Clamp hole is positioned at the vestibule of toroidal inductive body
In；The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Each pressure ring includes arranging
The taper electrolysis on perisporium and the external screw thread district being arranged on pressure ring periphery wall within it；The taper electrolysis pressure of each pressure ring
Being connected in each casing pressure claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and the internal threaded regions in base tube portion are adaptive；
Each pressure ring along preset direction rotate time, push the stress of paw in corresponding a set of paw assembly by taper electrolysis oblique
Face so that in each casing pressure claw assembly pressing plate portion move towards the center in core pipe portion, thus clamping is positioned in clamp hole
Electric power cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096609.2A CN105845328A (en) | 2016-01-15 | 2016-01-15 | High-voltage power transformer for improving wire clamping strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096609.2A CN105845328A (en) | 2016-01-15 | 2016-01-15 | High-voltage power transformer for improving wire clamping strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845328A true CN105845328A (en) | 2016-08-10 |
Family
ID=56586860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096609.2A Withdrawn CN105845328A (en) | 2016-01-15 | 2016-01-15 | High-voltage power transformer for improving wire clamping strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845328A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2712063A1 (en) * | 1977-03-15 | 1978-09-21 | Siemens Ag | INDUCTIVE, GAS- OR LIQUID-ISOLATED VOLTAGE CONVERTER |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
-
2016
- 2016-01-15 CN CN201610096609.2A patent/CN105845328A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2712063A1 (en) * | 1977-03-15 | 1978-09-21 | Siemens Ag | INDUCTIVE, GAS- OR LIQUID-ISOLATED VOLTAGE CONVERTER |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
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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: 20160810 |