CN107808764A - A kind of current transformer for possessing fixed structure - Google Patents

A kind of current transformer for possessing fixed structure Download PDF

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Publication number
CN107808764A
CN107808764A CN201711177962.4A CN201711177962A CN107808764A CN 107808764 A CN107808764 A CN 107808764A CN 201711177962 A CN201711177962 A CN 201711177962A CN 107808764 A CN107808764 A CN 107808764A
Authority
CN
China
Prior art keywords
sliding
housing
shaped winding
inwall
current transformer
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.)
Granted
Application number
CN201711177962.4A
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Chinese (zh)
Other versions
CN107808764B (en
Inventor
姜玉玺
邢浩
刘华
王芳
郑伟
刘国强
高阳
于航
范丽
王爱心
王万明
严耕
姜文辉
曲瑜发
孙超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711177962.4A priority Critical patent/CN107808764B/en
Publication of CN107808764A publication Critical patent/CN107808764A/en
Application granted granted Critical
Publication of CN107808764B publication Critical patent/CN107808764B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/28Current transformers
    • H01F38/30Constructions
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

Abstract

The invention discloses a kind of current transformer for possessing fixed structure, including housing and U-shaped winding, the bottom of the U-shaped winding is movably arranged in housing, and the both ends of U-shaped winding extend to the top of housing, external insulation full skirt is installed with U-shaped winding above housing, the both ends of the U-shaped winding are installed with voltage equalizing ball, the top side of two voltage equalizing balls is installed with same joint cover, the conductor wire clamp being fixedly mounted on voltage equalizing ball is provided with above the joint cover, fixed cover is connected to two two windings in housing on the U-shaped winding, and two two windings are symmetrical arranged based on casing center, the top side of the housing is provided with the firm organization of firm U-shaped winding position relation.The problem of present invention can be easy to prevent to cause insulation breakdown after edge traditional product screen sliding, meanwhile, it is easy to firm installation U-shaped winding, and it is easy to the firm position for limiting U-shaped winding in housing, it is simple in construction, it is easy to use.

Description

A kind of current transformer for possessing fixed structure
Technical field
The present invention relates to current transformer technical field, more particularly to a kind of current transformer for possessing fixed structure.
Background technology
Current transformer in the market is different by its insulating materials, is broadly divided into oil-immersed current transformer, SF6 gas Body Insulated Current Transformers, dry-type current transformer.Wherein the operation time limit of oil immersed type and SF6 gas insulated high voltage current transformers is most It is long, but due to its is complicated, oil leak, gas leakage, pollution environment, maintenance workload is huge, is also easy to produce when product breaks down quick-fried Fried, accident rate is high, the potential safety hazard to the person and equipment be present, so dry-type current transformer is developed generation, due to it not Oil leak, leakage problem be present, will not cause environmental pollution, it is non-maintaining the characteristics of become the main flow production of current transformer industry Product, just progressively substituting traditional oil immersed type and SF6 gas type current transformers.Existing dry-type current transformer equally exists production Complex process, technique dispersiveness are big, easily produce screen sliding, cause the potential safety hazards such as product major insulation breakdown.
The patent of Application No. 201610652196.1 discloses a kind of dry type reinforced electric current transformer, including once Winding, secondary winding, shell and external insulation full skirt, first winding extend shell part fix external insulation full skirt, once around Group one end is extended on the inside of external insulation full skirt, and one end is located in shell, first winding be located in shell partially surround it is secondary around Group, first winding include carrying object and major insulation body, and carrying object is U-shape structure, and major insulation body is included in current-carrying body surface cladding one Layer metal or semiconductor form a layer capacitance screen, then adopt insulating materials and surround electric capacity screen surfaces, form insulating barrier;Major insulation knot Structure uses traditional U-shaped capacitance type structure, immerses ring into simultaneously vacuum using such as wrapping such as high-voltage isulation paper, glass fabric The solid type insulation formed after oxygen resin solidification, the problem of preventing to cause insulation breakdown after edge traditional product screen sliding, Er Qiejie Structure is simple, installs, be easy to maintenance, not possessing the possibility of blast, safe and reliable to operation, however, the device does not have when in use Standby fixed structure, structure of the U-shaped winding on housing built on the sand, influence the firm use in later stage.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of current transformer for possessing fixed structure.
A kind of current transformer for possessing fixed structure proposed by the present invention, including housing and U-shaped winding, the U-shaped around The bottom of group is movably arranged in housing, and the both ends of U-shaped winding extend to the top of housing, above housing External insulation full skirt is installed with U-shaped winding, the both ends of the U-shaped winding are installed with voltage equalizing ball, two voltage equalizing balls Top side be installed with same joint cover, the conductor wire clamp being fixedly mounted on voltage equalizing ball is provided with above the joint cover, Fixed cover is connected to two two windings in housing on the U-shaped winding, and two two windings are symmetrically set based on casing center Put, the top side of the housing is provided with the firm organization of firm U-shaped winding position relation, and the firm organization includes being movably arranged on Two the first movable blocks and two the second movable blocks of housing top side, two the second movable blocks be respectively positioned on two the first movable blocks it Between, it is located at the both sides of one end outside housing positioned at U-shaped winding respectively positioned at first movable block of the same side and the second movable block, and Lived positioned at first movable block of the same side and the second movable block positioned at the top of two windings, first movable block and second Motion block bottom side is equipped with the sliding equipment for moving the first movable block and the second movable block, is set on the bottom side inwall of the housing Have for carrying out spacing position-limit mechanism to U-shaped winding, the position-limit mechanism includes being fixedly mounted on the inwall of housing bottom side Two limited blocks, the bottom activity of the U-shaped winding is between two limited blocks.
Preferably, the side that two the first movable blocks are located remotely from each other offers mounting groove, and two mounting grooves are located remotely from each other Side inwall on offer through hole, locating rod is slidably fitted with the through hole, and the both ends of locating rod are prolonged Extend outside through hole, one end that the locating rod is located in mounting groove is installed with mounting blocks, and mounting blocks and mounting groove phase It is adapted to, two positioning holes, and the setting corresponding with two locating rods respectively of two positioning holes is offered on the U-shaped winding, and Positioning hole is run through in the one end of locating rod away from mounting blocks, and extends to outside positioning hole, two the second movable blocks be located remotely from each other one Side offers locating slot, and two locating rods one end close to each other is movably arranged in two locating slots respectively.
Preferably, anti-skid rubber cushion is installed with the locating slot inwall, and anti-skid rubber cushion is located at locating rod One end in locating slot is in contact.
Preferably, sliding recess is offered on the both sides inwall of the through hole, is slidably installed in the sliding recess There is sliding shoe, and the side of sliding shoe is extended to outside sliding recess, and be fixedly mounted on the securing lever, the sliding recess is close The first spring of socket on the securing lever, the one end of the first spring away from mounting groove are installed with the side inwall of mounting groove It is fixedly mounted on sliding shoe.
Preferably, sliding pearl groove, the sliding pearl are offered on side inwall of the sliding recess away from sliding recess opening Sliding pearl is slidably fitted with groove inwall, the sliding pearl is in contact with sliding shoe.
Preferably, the sliding equipment includes four the first chutes for being opened in housing top side, and four the first chutes point Not Wei Yu two the first movable blocks and two the second movable blocks lower section, be installed with the first chute both sides inwall same One slide bar, slip cap is provided with the first sliding block on the slide bar, and the first sliding block is connected with the first slide, four first cunnings The top side of block is respectively and fixedly installed on the bottom side of two the first movable blocks and two the second movable blocks, and first sliding block is close The side of U-shaped winding is welded with the second spring being socketed on slide bar, and the one end of second spring away from the first sliding block is welded on One chute is on the side inwall of U-shaped winding.
Preferably, slide bar through hole is offered on first sliding block, and sliding bar is arranged in slide bar through hole, and slide bar Both ends all extend to outside slide bar through hole.
Preferably, ball grooves are offered on the slide bar through-hole wall, is rolled on ball grooves inwall and ball, ball is installed It is in contact with slide bar.
Preferably, two limited blocks side close to each other is opened up fluted, and slip is slidably fitted with the groove Plate, two sliding panel sides close to each other are installed with spherical pieces, and two spherical pieces sides close to each other are in contact, The 3rd spring being fixedly mounted on the inwall of housing bottom side is provided between two limited blocks.
Preferably, the second chute is offered on the inwall of the groove both sides, the both sides of the sliding panel are fixedly mounted There is the second sliding block, two the second sliding blocks are slidably mounted in two the second chutes respectively, the side that two sliding panels are located remotely from each other The 4th spring is installed with, one end that two the 4th springs are located remotely from each other is respectively and fixedly installed to two grooves and is located remotely from each other Side inwall on.
In the present invention, a kind of current transformer for possessing fixed structure, pass through housing, U-shaped winding, external insulation umbrella Skirt, voltage equalizing ball, conductor wire clamp, connection ball, two windings are used cooperatively, and Main Insulation Structure of Electric uses traditional U-shaped capacitance type structure, energy Enough the problem of being easy to prevent to cause insulation breakdown after edge traditional product screen sliding, pass through the first movable block, the second movable block, positioning Groove, mounting groove, mounting blocks, positioning hole, locating rod, through hole, the first spring, sliding recess, sliding shoe are used cooperatively, mounting blocks Locating rod is driven to be slided in through hole, locating rod drives sliding shoe to be slided in sliding recess, and sliding shoe extrudes the first spring, And locating rod is moved in locating slot, firm installation U-shaped winding can be easy to, pass through the first chute, slide bar, the first sliding block, the Two springs are used cooperatively, and drive the first sliding block to be slided in the first chute under the active force of second spring, and the first sliding block is in cunning Slided on bar, the first sliding block drives the first movable block and the second movable block to clamp U-shaped winding, passes through limited block, groove, slip Plate, spherical pieces, the 4th spring, the 3rd spring are used cooperatively, and drive sliding panel to be slided in groove under the active force of the 4th spring, Two sliding panels drive two spherical pieces to be in contact respectively, can be easy to the firm position for limiting U-shaped winding in housing, this hair Bright the problem of being easy to prevent to cause insulation breakdown after edge traditional product screen sliding, meanwhile, it is easy to firm installation U-shaped winding, and It is easy to the firm position for limiting U-shaped winding in housing, it is simple in construction, it is easy to use.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the current transformer for possessing fixed structure proposed by the present invention;
Fig. 2 is a kind of part A structural representation for the current transformer for possessing fixed structure proposed by the present invention;
Fig. 3 is a kind of A1 part-structure schematic diagrams for the current transformer for possessing fixed structure proposed by the present invention;
Fig. 4 is a kind of A2 part-structure schematic diagrams for the current transformer for possessing fixed structure proposed by the present invention;
Fig. 5 is a kind of housing interior structure schematic diagram for the current transformer for possessing fixed structure proposed by the present invention.
In figure:1 housing, 2 U-shaped windings, 3 external insulation full skirts, 4 voltage equalizing balls, 5 conductor wire clamps, 6 joint covers, 7 two windings, 8 Limited block, 9 first movable blocks, 10 second movable blocks, 11 locating slots, 12 mounting grooves, 13 mounting blocks, 14 positioning holes, 15 locating rods, 16 through holes, 17 first springs, 18 sliding recess, 19 sliding shoes, 20 first chutes, 21 slide bars, 22 first sliding blocks, 23 second bullets Spring, 24 grooves, 25 sliding panels, 26 spherical pieces, 27 the 4th springs, 28 the 3rd springs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment.
Reference picture 1-5, a kind of current transformer for possessing fixed structure, including housing 1 and U-shaped winding 2, U-shaped winding 2 Bottom is movably arranged in housing 1, and the both ends of U-shaped winding 2 extend to the top of housing 1, above housing 1 External insulation full skirt 3 is installed with U-shaped winding 2, the both ends of U-shaped winding 2 are installed with voltage equalizing ball 4, two voltage equalizing balls 4 Top side be installed with same joint cover 6, the top of joint cover 6 is provided with the conductor wire clamp 5, U being fixedly mounted on voltage equalizing ball 4 Fixed cover is connected to two two windings 7 in housing 1 on shape winding 2, and two two windings 7 are set based on the Central Symmetry of housing 1 Put, be used cooperatively by housing 1, U-shaped winding 2, external insulation full skirt 3, voltage equalizing ball 4, conductor wire clamp 5, connection ball 6, two windings 7, Main Insulation Structure of Electric uses traditional U-shaped capacitance type structure, can be easy to cause insulation breakdown after preventing edge traditional product screen sliding Problem, the top side of housing 1 are provided with the firm organization of the firm position relationship of U-shaped winding 2, and firm organization includes being movably arranged on housing Two the first movable blocks 9 of 1 top side and two the second movable blocks 10, two the second movable blocks 10 are respectively positioned on two the first movable blocks Between 9, one end for being located at respectively positioned at U-shaped winding 2 positioned at first movable block 9 of the same side and the second movable block 10 outside housing 1 Both sides, and the first movable block 9 positioned at the same side and the second movable block 10 be positioned at the top of two winding 7, two first The side that movable block 9 is located remotely from each other offers mounting groove 12, is opened up on the side inwall that two mounting grooves 12 are located remotely from each other There is through hole 16, locating rod 15 is slidably fitted with through hole 16, and the both ends of locating rod 15 are all extended to outside through hole 16, One end that locating rod 15 is located in mounting groove 12 is installed with mounting blocks 13, and mounting blocks 13 are adapted with mounting groove 12, U-shaped Offer two positioning holes 14 on winding 2, and two positioning holes 14 respectively with two 15 corresponding settings of locating rod, and locating rod Positioning hole 14 is run through in 15 one end away from mounting blocks 13, and extends to outside positioning hole 14, and two the second movable blocks 10 are located remotely from each other Side offer locating slot 11, two locating rods 15 one end close to each other is movably arranged on two locating slots 11 respectively It is interior, anti-skid rubber cushion is installed with the inwall of locating slot 11, and anti-skid rubber cushion is located in locating slot 11 with locating rod 15 One end is in contact, and sliding recess 18 is offered on the both sides inwall of through hole 16, slip is slidably fitted with sliding recess 18 Block 19, and the side of sliding shoe 19 is extended to outside sliding recess 18, and be fixedly mounted in locating rod 15, sliding recess 18 is close The first spring 17 being socketed in locating rod 15 is installed with the side inwall of mounting groove 12, the first spring 17 is away from installation One end of groove 12 is fixedly mounted on sliding shoe 19, is offered on the side inwall that sliding recess 18 is open away from sliding recess 18 Sliding pearl groove, slide and sliding pearl is slidably fitted with pearl groove inwall, sliding pearl is in contact with sliding shoe 19, passes through the first movable block 9, second and lives Motion block 10, locating slot 11, mounting groove 12, mounting blocks 13, positioning hole 14, locating rod 15, through hole 16, the first spring 17, slip Groove 18, sliding shoe 19 are used cooperatively, and mounting blocks 13 drive locating rod 15 to be slided in through hole 16, and locating rod 15, which drives, to be slided Block 19 slides in sliding recess 18, and sliding shoe 19 extrudes the first spring 17, and locating rod 15 is moved in locating slot 11, can It is easy to firm installation U-shaped winding 2.
First movable block 9 and the bottom side of the second movable block 10 are equipped with for moving the first movable block 9 and the second movable block 10 Sliding equipment, sliding equipment includes being opened in four the first chutes 20 of the top side of housing 1, and four the first chutes 20 difference positions It is same in being installed with the lower section of two the first movable blocks 9 and two the second movable blocks 10, the both sides inwall of the first chute 20 Individual slide bar 21, slip cap is provided with the first sliding block 22 on slide bar 21, and the first sliding block 22 is slidably connected with the first chute 20, four The top side of one sliding block 22 is respectively and fixedly installed on the bottom side of two the first movable blocks 9 and two the second movable blocks 10, and first slides Block 22 is welded with the second spring 23 being socketed on slide bar 21 close to the side of U-shaped winding 2, and second spring 23 is away from the first sliding block 22 one end is welded on the first chute 20 on the side inwall of U-shaped winding 2, and slide bar through hole is offered on the first sliding block 22, And slide bar 21 is slidably mounted in slide bar through hole, and the both ends of slide bar 21 are all extended to outside slide bar through hole, on slide bar through-hole wall Ball grooves are offered, is rolled on ball grooves inwall and ball is installed, ball is in contact with slide bar 21, by the first chute 20, slides Bar 21, the first sliding block 22, second spring 23 are used cooperatively, and drive the first sliding block 22 to be slided first under the active force of second spring 23 Slided in groove 20, and the first sliding block 22 slides on slide bar 21, the first sliding block 22 drives the first movable block 9 and the second movable block 10 Clamp U-shaped winding 2.
The bottom side inwall of housing 1, which is provided with, to be used to carry out U-shaped winding 7 spacing position-limit mechanism, and position-limit mechanism includes solid Two limited blocks 8 of the Dingan County on the bottom side inwall of housing 1, the bottom activity of U-shaped winding 7 is between two limited blocks 8, and two Individual limited block 8 side close to each other opens up fluted 24, and sliding panel 25, two sliding panels 25 are slidably fitted with groove 24 Side close to each other is installed with spherical pieces 26, and two sides close to each other of spherical pieces 26 are in contact, and two spacing The 3rd spring 28 being fixedly mounted on the bottom side inwall of housing 1 is provided between block 8, second is offered on the both sides inwall of groove 24 Chute, the both sides of sliding panel 25 are installed with the second sliding block, and two the second sliding blocks are slidably mounted on two second cunnings respectively In groove, the side that two sliding panels 25 are located remotely from each other is installed with the 4th spring 27, and two the 4th springs 27 are located remotely from each other One end be respectively and fixedly installed on the side inwall that two grooves 24 are located remotely from each other, pass through limited block 8, groove 24, sliding panel 25th, spherical pieces 26, the 4th spring 27, the 3rd spring 28 are used cooperatively, and drive sliding panel 25 to exist under the active force of the 4th spring 27 Slided in groove 24, two sliding panels 25 drive two spherical pieces 26 to be in contact respectively, can be easy to firm restriction U-shaped winding 2 Position in housing 1, the problem of present invention can be easy to prevent to cause insulation breakdown after edge traditional product screen sliding, meanwhile, just In firm installation U-shaped winding 2, and it is easy to 2 position in housing 1 of firm restriction U-shaped winding, it is simple in construction, it is easy to use.
The present invention:In use, being provided with U-shaped winding 2, U-shaped winding 2 is arranged in housing 1, the bottom of U-shaped winding 2 is put Put in housing 1, and the bottom of U-shaped winding 2 is movably arranged in two limited blocks 8, two balls of bottom squeeze of U-shaped winding 2 Shape block 26, two spherical pieces 26 extrude sliding panel 25, and two sliding panels 25 extrude the 4th spring 27, and sliding panel 25 drives second Sliding block is slided in the second chute, and the bottom of U-shaped winding 2 is moved between two limited blocks 8, and extrudes the 3rd spring 28, is reached To the purpose for limiting the position of U-shaped winding 2;
Mounting blocks 13 are moved to close to the direction of mounting groove 12, mounting blocks 13 are moved in mounting groove 12, and mounting blocks 13 drive Locating rod 15 moves in through hole 16, and locating rod 15 drives sliding shoe 19 to be slided in sliding recess 18, and the first spring 17 Sliding shoe 19 is extruded, sliding shoe 19 drives locating rod 15 to be moved in locating slot 11, reaches the purpose of firm installation U-shaped winding 2.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (10)

1. a kind of current transformer for possessing fixed structure, including housing(1)With U-shaped winding(2), it is characterised in that the U-shaped Winding(2)Bottom be movably arranged on housing(1)It is interior, and U-shaped winding(2)Both ends extend to housing(1)Top, Positioned at housing(1)The U-shaped winding of top(2)On be installed with external insulation full skirt(3), the U-shaped winding(2)Both ends it is solid Dingan County is equipped with voltage equalizing ball(4), two voltage equalizing balls(4)Top side be installed with same joint cover(6), the joint cover(6) Top is provided with and is fixedly mounted on voltage equalizing ball(4)On conductor wire clamp(5), the U-shaped winding(2)Upper fixed cover is connected to positioned at housing (1)Two interior two windings(7), and two two windings(7)Based on housing(1)Center symmetric setting, the housing(1)Top side Provided with firm U-shaped winding(2)The firm organization of position relationship, the firm organization include being movably arranged on housing(1)Top side Two the first movable blocks(9)With two the second movable blocks(10), two the second movable blocks(10)It is respectively positioned on two the first movable blocks (9)Between, the first movable block positioned at the same side(9)With the second movable block(10)It is located at U-shaped winding respectively(2)Positioned at housing (1)The both sides of outer one end, and positioned at first movable block of the same side(9)With the second movable block(10)Positioned at two windings (7)Top, first movable block(9)With the second movable block(10)Bottom side is equipped with for moving the first movable block(9)With Second movable block(10)Sliding equipment, the housing(1)Bottom side inwall be provided be used for U-shaped winding(7)Carry out spacing Position-limit mechanism, the position-limit mechanism include be fixedly mounted on housing(1)Two limited blocks on the inwall of bottom side(8), the U-shaped Winding(7)Bottom activity be located at two limited blocks(8)Between.
A kind of 2. current transformer for possessing fixed structure according to claim 1, it is characterised in that two first activities Block(9)The side being located remotely from each other offers mounting groove(12), two mounting grooves(12)Opened on the side inwall being located remotely from each other Provided with through hole(16), the through hole(16)Inside it is slidably fitted with locating rod(15), and locating rod(15)Both ends prolong Extend through hole(16)Outside, the locating rod(15)Positioned at mounting groove(12)Interior one end is installed with mounting blocks(13), and Mounting blocks(13)With mounting groove(12)It is adapted, the U-shaped winding(2)On offer two positioning holes(14), and two positioning Hole(14)Respectively with two locating rods(15)Corresponding setting, and locating rod(15)Away from mounting blocks(13)One end through positioning Hole(14), and extend to positioning hole(14)Outside, two the second movable blocks(10)The side being located remotely from each other offers locating slot (11), two locating rods(15)One end close to each other is movably arranged on two locating slots respectively(11)It is interior.
A kind of 3. current transformer for possessing fixed structure according to claim 2, it is characterised in that the locating slot (11)Anti-skid rubber cushion, and anti-skid rubber cushion and locating rod are installed with inwall(15)Positioned at locating slot(11)Interior one end It is in contact.
A kind of 4. current transformer for possessing fixed structure according to claim 2, it is characterised in that the through hole (16)Both sides inwall on offer sliding recess(18), the sliding recess(18)Inside it is slidably fitted with sliding shoe(19), And sliding shoe(19)Side extend to sliding recess(18)Outside, and it is fixedly mounted on locating rod(15)On, the sliding recess (18)Close to mounting groove(12)Side inwall on be installed with and be socketed in locating rod(15)On the first spring(17), first Spring(17)Away from mounting groove(12)One end be fixedly mounted on sliding shoe(19)On.
A kind of 5. current transformer for possessing fixed structure according to claim 4, it is characterised in that the sliding recess (18)Away from sliding recess(18)Sliding pearl groove is offered on the side inwall of opening, cunning is slidably fitted with the sliding pearl groove inwall Pearl, the sliding pearl and sliding shoe(19)It is in contact.
A kind of 6. current transformer for possessing fixed structure according to claim 1, it is characterised in that the sliding equipment Including being opened in housing(1)Four the first chutes of top side(20), and four the first chutes(20)Respectively positioned at two first work Motion block(9)With two the second movable blocks(10)Lower section, first chute(20)It is installed with the inwall of both sides same Slide bar(21), the slide bar(21)Upper slip cap is provided with the first sliding block(22), and the first sliding block(22)With the first chute(20)It is sliding Dynamic connection, four the first sliding blocks(22)Top side be respectively and fixedly installed to two the first movable blocks(9)With two the second movable blocks (10)Bottom side on, first sliding block(22)Close to U-shaped winding(2)Side be welded with and be socketed in slide bar(21)On second Spring(23), second spring(23)Away from the first sliding block(22)One end be welded on the first chute(20)Close to U-shaped winding(2)'s On the inwall of side.
A kind of 7. current transformer for possessing fixed structure according to claim 1, it is characterised in that first sliding block (22)On offer slide bar through hole, and slide bar(21)It is slidably mounted in slide bar through hole, and slide bar(21)Both ends all extend to Outside slide bar through hole.
A kind of 8. current transformer for possessing fixed structure according to claim 7, it is characterised in that the slide bar through hole Ball grooves are offered on inwall, is rolled on ball grooves inwall and ball, ball and slide bar is installed(21)It is in contact.
A kind of 9. current transformer for possessing fixed structure according to claim 1, it is characterised in that two limited blocks (8)Side close to each other opens up fluted(24), the groove(24)Inside it is slidably fitted with sliding panel(25), two slips Plate(25)Side close to each other is installed with spherical pieces(26), two spherical pieces(26)Side close to each other connects Touch, two limited blocks(8)Between be provided be fixedly mounted on housing(1)The 3rd spring on the inwall of bottom side(28).
A kind of 10. current transformer for possessing fixed structure according to claim 9, it is characterised in that the groove (24)The second chute, the sliding panel are offered on the inwall of both sides(25)Both sides be installed with the second sliding block, two Second sliding block is slidably mounted in two the second chutes respectively, two sliding panels(25)The side being located remotely from each other is installed with 4th spring(27), two the 4th springs(27)The one end being located remotely from each other is respectively and fixedly installed to two grooves(24)It is located remotely from each other Side inwall on.
CN201711177962.4A 2017-11-23 2017-11-23 A kind of current transformer having fixed structure Expired - Fee Related CN107808764B (en)

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CN107808764A true CN107808764A (en) 2018-03-16
CN107808764B CN107808764B (en) 2019-07-19

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JP2001102229A (en) * 1999-09-30 2001-04-13 Hioki Ee Corp Current transformer for installation
CN2684201Y (en) * 2003-12-30 2005-03-09 北京国电四维电力技术有限公司 Dry-type high tension current transformer
CN204332667U (en) * 2014-07-09 2015-05-13 衡阳华瑞电气有限公司 A kind of rain proof type current transformer
CN107134356A (en) * 2017-05-27 2017-09-05 安徽华能集团电器有限公司 A kind of Dry Type High Tension Current Transformer

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JPS59195813A (en) * 1983-04-22 1984-11-07 Hitachi Ltd Internal fixing device of current transformer
JP2001102229A (en) * 1999-09-30 2001-04-13 Hioki Ee Corp Current transformer for installation
CN2684201Y (en) * 2003-12-30 2005-03-09 北京国电四维电力技术有限公司 Dry-type high tension current transformer
CN204332667U (en) * 2014-07-09 2015-05-13 衡阳华瑞电气有限公司 A kind of rain proof type current transformer
CN107134356A (en) * 2017-05-27 2017-09-05 安徽华能集团电器有限公司 A kind of Dry Type High Tension Current Transformer

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