CN105023737A - Sectional type extensible insulating cylinder - Google Patents

Sectional type extensible insulating cylinder Download PDF

Info

Publication number
CN105023737A
CN105023737A CN201510305499.1A CN201510305499A CN105023737A CN 105023737 A CN105023737 A CN 105023737A CN 201510305499 A CN201510305499 A CN 201510305499A CN 105023737 A CN105023737 A CN 105023737A
Authority
CN
China
Prior art keywords
barrier part
insulation barrier
adapter ring
insulating cylinder
inner sleeve
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
CN201510305499.1A
Other languages
Chinese (zh)
Other versions
CN105023737B (en
Inventor
陈伯根
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.)
Fuzhou Xuji Electric Co ltd
State Grid Corp of China SGCC
Fuzhou Tianyu Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Fuzhou Tianyu Electric 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, Fuzhou Tianyu Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510305499.1A priority Critical patent/CN105023737B/en
Publication of CN105023737A publication Critical patent/CN105023737A/en
Application granted granted Critical
Publication of CN105023737B publication Critical patent/CN105023737B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Insulating Bodies (AREA)
  • Insulating Of Coils (AREA)

Abstract

The invention discloses a sectional type extensible insulating cylinder, comprising three insulating cylinder pieces, which are a first insulating cylinder piece, a second insulating cylinder piece and a third insulating cylinder piece in turn according to inside diameters from small to large. Each insulating cylinder piece is a straight cylinder and the structure of each insulating cylinder piece comprises a cylinder wall and socket rings. An inner socket ring is horizontally arranged at the inner side of the upper portion of the cylinder wall of each of the first insulating cylinder piece, the second insulating cylinder piece and the third insulating cylinder piece; an outer socket ring is horizontally arranged at the outer end face of the lower portion of the cylinder wall of each of the second insulating cylinder piece and the third insulating cylinder piece, and the second insulating cylinder piece is placed on the outer socket ring of the first insulating cylinder piece via the inner socket ring. The inner socket ring of the first insulating cylinder piece is fixed at the place of an ascending base via an insulated fastener. The cylinder walls, the inner socket rings and the outer socket rings of the insulating cylinder pieces are formed by insulating materials. The insulating cylinder of the invention could be folded and stored, the insulating strength is improved, and the optimization of the design of a transformer is facilitated to reduce the cost.

Description

A kind of scalable insulating cylinder of segmented
Technical field
The present invention relates to transformer manufacture technology, especially a kind of scalable insulating cylinder of segmented.
Background technology
Transformer is used for the voltage transitions of project of transmitting and converting electricity, under working in high voltage, for ease of wiring and maintenance, usually rising seat is set in the voltage equalizing ball parts week side of its transformer, between voltage equalizing ball and rising seat, insulating barrier is set, because voltage equalizing ball place can produce high voltage, for improving the dielectric strength of the voltage equalizing ball of oil-filled transformer, need to install an insulating cylinder additional between voltage equalizing ball and rising seat wall, and cylinder is highly greater than rising seat, because high tension apparatus needs very high purity requirements, as insulating cylinder cannot be packaging together with rising seat because of height reason, need outer packaging in addition, significantly will promote packing charges, also be difficult to ensure that the cleanliness factor of insulating cylinder can match with rising seat.
Study by scientific research personnel, be in voltage equalizing ball during high-pressure work, its Electric Field Distribution has certain rule, under the prerequisite not changing voltage equalizing ball circular arc place maximum field strength, by increasing voltage equalizing ball arc radius, can reduce to raise seat diameter, reduce transformer manufacturing cost, " transformer high-voltage bushing voltage equalizing ball region analysis of electric field and the structure optimization thereof " one referring to Harbin University of Science and Technology's journal the 17th volume the 6th phase is civilian, but this structure optimization should need corresponding insulating barrel structure to be optimized for cooperation, therefore, how for such voltage equalizing ball, insulating cylinder is optimized in the design raising seat, and make insulating cylinder be convenient to transport (be put in raise in seat and transport simultaneously), it is a research direction.
A kind of telescopic insulating cylinder is disclosed in the patent of publication number 203397871U, it carries out the cooperation of convex-concave wedge type with the stay of Vertical dimension, be socketed two sections of insulating cylinders, make the total length of insulating cylinder variable, but the structure that this design coordinates by convex-concave wedge type limit, two sections of insulating cylinders must be paired with each other, the convertibility of parts is poor, when wherein one section of insulating cylinder damages, be difficult to find removable parts, and the diameter still approximately equal of the insulating cylinder upper and lower of this structure, not easily with previously described increase voltage equalizing ball arc radius, reduce to raise this kind of Optimum Design of Transformers of seat diameter to coordinate.
Summary of the invention
The present invention proposes a kind of scalable insulating cylinder of segmented, makes insulating cylinder scalable, is convenient to transport, and its structure can with increase voltage equalizing ball arc radius, reduce to raise the Optimum Design of Transformers of seat diameter and match.
The present invention adopts following scheme.
A kind of scalable insulating cylinder of segmented, for the insulation between the voltage equalizing ball of oil-filled transformer sleeve pipe and the wall of rising seat and circumferential metal part, the scalable insulating cylinder of described segmented comprises three insulation barrier parts, the first insulation barrier part is followed successively by from small to large by internal diameter, second insulation barrier part and the 3rd insulation barrier part, each insulation barrier part is straight tube, its structure comprises barrel and cover adapter ring, first, second, the equal level of barrel upper inner of the 3rd insulation barrier part establishes an inner sleeve adapter ring, first, the equal level in barrel lower outer face of the second insulation barrier part establishes an overcoat adapter ring, each insulation barrier part vertical sleeve connects, being socketed snare within 3rd insulation barrier part is placed on the overcoat adapter ring of the second insulation barrier part, being socketed snare within second insulation barrier part is placed on the overcoat adapter ring of the first insulation barrier part, the inner sleeve adapter ring of the first insulation barrier part is fixed on insulated fasteners and raises seat place, the barrel of described insulation barrier part, inner sleeve adapter ring and overcoat adapter ring all shaping with insulating material.
The barrel of described insulation barrier part, to fix with glue between inner sleeve adapter ring and overcoat adapter ring, and the rivet of more than 3 of being uniformly distributed along the circumference is fixing to strengthen, described rivet is shaping with insulating material.
Described rivet is the paper rivet of φ 10, and quantity is 3; The barrel of insulation barrier part, fixing with glue between inner sleeve adapter ring and overcoat adapter ring after, barrier part up and down along equal rounding.
The inner sleeve adapter ring of the first insulation barrier part is established the fixing hole of 6 φ 12, this insulation barrier part adopts the insulation blanket stud of M12 to be fixed on through fixing hole and raises on seat.
The height of described inner sleeve adapter ring and overcoat adapter ring is 40mm, is radially of a size of 6mm, and the wall thickness of each insulation barrier part is 3mm, and each insulation barrier part is all shaping with insulating material electrician paper.
First insulation barrier part overcoat adapter ring internal diameter is than the little 2mm of the second insulation barrier part inner sleeve adapter ring internal diameter, and the second insulation barrier part overcoat adapter ring internal diameter insulate than the 3rd the little 2mm of barrier part inner sleeve adapter ring internal diameter.
The socket of each insulation barrier part is detachable socket.
The present invention adopts segmented insulation barrier part, and socket forms insulating cylinder mutually, makes the length of insulating cylinder scalable, when transporting, stacked for three insulating cylinders, can be sealed in rising seat.Thus both ensure that the cleaning of insulating cylinder, need not pack in addition again, reduce cost of transportation.
The insulation barrier part internal diameter that the present invention uses is different, after being socketed, its internal diameter of shaping insulating cylinder increases in staged from top to bottom, when design of transformer is raised seat diameter optimized transformer by increase voltage equalizing ball arc radius, reduction, micro-this profile that insulate can fully adapt to this meter, be conducive to reinforced insulation intensity, reduce the internal diameter raising seat, reduce transformer cost.
The present invention use insulation barrier part, its barrel, to fix with glue between inner sleeve adapter ring and overcoat adapter ring, and the paper rivet of more than 3 of being uniformly distributed along the circumference is fixing to strengthen, the first insulation barrier part is fixed on insulation blanket stud and raises seat place, and this fully ensure that robustness and the insulation property of finished product insulating cylinder.
In the present invention, the socket of each insulation barrier part is detachable socket, first insulation barrier part overcoat adapter ring internal diameter insulate than second the little 2mm of barrier part inner sleeve adapter ring internal diameter, second insulation barrier part overcoat adapter ring internal diameter insulate than the 3rd the little 2mm of barrier part inner sleeve adapter ring internal diameter, this design makes each insulation barrier part be easy to connect together, and the replaceability of parts is better, fault-tolerant ability during socket is strong, when in the barrier part that insulate produces damage, attendant can directly take the identical insulation barrier part of specification directly to change, and shortens maintenance cycle.
Due in transformer, the installing space raised between seat, voltage equalizing ball is less, be difficult to adopt complicated insulator structure, and the scalable insulating cylinder of the segmented that the present invention uses, height and the diameter of the insulation barrier part of each segmentation can be customized for the concrete condition of rising seat, voltage equalizing ball, again by stacking, pull, the installation fixedly having carried out insulating cylinder, make insulating cylinder can make full use of the installing space raised between seat and voltage equalizing ball, effectively promote dielectric strength.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Accompanying drawing 1 is the cut-away illustration after the scalable insulating cylinder of a kind of segmented of the present invention is installed;
In figure: 1-raises seat, 2-voltage equalizing ball, 3-first insulate barrier part, 4-second insulate barrier part, and 5-the 3rd insulate barrier part, and 6-first insulate the inner sleeve adapter ring of barrier part, 7-second insulate the inner sleeve adapter ring of barrier part, 8-first insulate the overcoat adapter ring of barrier part, and 9-the 3rd insulate the inner sleeve adapter ring of barrier part, and 10-second insulate the overcoat adapter ring of barrier part.
Embodiment
As shown in Figure 1, a kind of scalable insulating cylinder of segmented, for the insulation between the voltage equalizing ball 2 of oil-filled transformer sleeve pipe and the wall of rising seat 1 and circumferential metal part, the scalable insulating cylinder of described segmented comprises three insulation barrier parts, the first insulation barrier part 3 is followed successively by from small to large by internal diameter, second insulation barrier part 4 and the 3rd insulation barrier part 5, each insulation barrier part is straight tube, its structure comprises barrel and cover adapter ring, first, second, the equal level of barrel upper inner of the 3rd insulation barrier part establishes an inner sleeve adapter ring, first, the equal level in barrel lower outer face of the second insulation barrier part establishes an overcoat adapter ring, each insulation barrier part vertical sleeve connects, overlapping adapter ring 9 within 3rd insulation barrier part 5 is placed on the overcoat adapter ring 10 of the second insulation barrier part 4, overlapping adapter ring 7 within second insulation barrier part 4 is placed on the overcoat adapter ring 8 of the first insulation barrier part 3, the inner sleeve adapter ring 6 of the first insulation barrier part 3 is fixed on insulated fasteners and raises seat 1 place, the barrel of described insulation barrier part, inner sleeve adapter ring and overcoat adapter ring all shaping with insulating material.
The barrel of described insulation barrier part, to fix with glue between inner sleeve adapter ring and overcoat adapter ring, and the rivet of more than 3 of being uniformly distributed along the circumference is fixing to strengthen, described rivet is shaping with insulating material.
Described rivet is the paper rivet of φ 10, and quantity is 3; The barrel of insulation barrier part, fixing with glue between inner sleeve adapter ring and overcoat adapter ring after, barrier part up and down along equal rounding.
The inner sleeve adapter ring 6 of the first insulation barrier part 3 is established the fixing hole of 6 φ 12, this insulation barrier part 3 adopts the insulation blanket stud of M12 to be fixed on through fixing hole and raises on seat 1.
The height of described inner sleeve adapter ring 6,7,9 and overcoat adapter ring 8,10 is 40mm, is radially of a size of 6mm, and the wall thickness of each insulation barrier part 3,4,5 is 3mm, and each insulation barrier part 3,4,5 is all shaping with insulating material electrician paper.
First insulation barrier part 3 overcoat adapter ring 8 internal diameter is than the little 2mm of the second insulation barrier part 4 inner sleeve adapter ring 7 internal diameter, and the second insulation barrier part 4 overcoat adapter ring 10 internal diameter insulate than the 3rd the little 2mm of barrier part 5 inner sleeve adapter ring 9 internal diameter.
The socket of each insulation barrier part 3,4,5 is detachable socket.
Embodiment:
Installation personnel is placed on the 3rd insulation barrier part 5, second insulation barrier part 4 and the first insulation barrier part 3 successively and raises seat 2 weeks sides, first insulation barrier part 3 insulation blanket stud is fixed on rising seat 1, rising seat 1 is vertically placed, pull the second insulation barrier part 4 and the 3rd insulation barrier part 5 to range, the barrier part that now respectively insulate is socketed mutually through cover adapter ring, voltage equalizing ball 2 is covered, completes installation.

Claims (7)

1. the scalable insulating cylinder of a segmented, for the insulation between the voltage equalizing ball of oil-filled transformer sleeve pipe and the wall of rising seat and circumferential metal part, it is characterized in that: the scalable insulating cylinder of described segmented comprises three insulation barrier parts, the first insulation barrier part is followed successively by from small to large by internal diameter, second insulation barrier part and the 3rd insulation barrier part, each insulation barrier part is straight tube, its structure comprises barrel and cover adapter ring, first, second, the equal level of barrel upper inner of the 3rd insulation barrier part establishes an inner sleeve adapter ring, first, the equal level in barrel lower outer face of the second insulation barrier part establishes an overcoat adapter ring, each insulation barrier part vertical sleeve connects, being socketed snare within 3rd insulation barrier part is placed on the overcoat adapter ring of the second insulation barrier part, being socketed snare within second insulation barrier part is placed on the overcoat adapter ring of the first insulation barrier part, the inner sleeve adapter ring of the first insulation barrier part is fixed on insulated fasteners and raises seat place, the barrel of described insulation barrier part, inner sleeve adapter ring and overcoat adapter ring all shaping with insulating material.
2. the scalable insulating cylinder of a kind of segmented according to claim 1, it is characterized in that: the barrel of described insulation barrier part, to fix with glue between inner sleeve adapter ring and overcoat adapter ring, and the rivet of more than 3 of being uniformly distributed along the circumference is fixing to strengthen, described rivet is shaping with insulating material.
3. the scalable insulating cylinder of a kind of segmented according to claim 2, is characterized in that: described rivet is the paper rivet of φ 10, and quantity is 3; The barrel of insulation barrier part, fixing with glue between inner sleeve adapter ring and overcoat adapter ring after, barrier part up and down along equal rounding.
4. the scalable insulating cylinder of a kind of segmented according to claim 1, is characterized in that: the fixing hole inner sleeve adapter ring of the first insulation barrier part being established 6 φ 12, and this insulation barrier part adopts the insulation blanket stud of M12 to be fixed on through fixing hole and raises on seat.
5. the scalable insulating cylinder of a kind of segmented according to claim 1, it is characterized in that: the height of described inner sleeve adapter ring and overcoat adapter ring is 40mm, radially be of a size of 6mm, the wall thickness of each insulation barrier part is 3mm, and each insulation barrier part is all shaping with insulating material electrician paper.
6. the scalable insulating cylinder of a kind of segmented according to claim 5, it is characterized in that: the first insulation barrier part overcoat adapter ring internal diameter is than the little 2mm of the second insulation barrier part inner sleeve adapter ring internal diameter, and the second insulation barrier part overcoat adapter ring internal diameter insulate than the 3rd the little 2mm of barrier part inner sleeve adapter ring internal diameter.
7. the scalable insulating cylinder of a kind of segmented according to claim 5, is characterized in that: the socket of each insulation barrier part is detachable socket.
CN201510305499.1A 2015-06-08 2015-06-08 Sectional type extensible insulating cylinder Active CN105023737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510305499.1A CN105023737B (en) 2015-06-08 2015-06-08 Sectional type extensible insulating cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510305499.1A CN105023737B (en) 2015-06-08 2015-06-08 Sectional type extensible insulating cylinder

Publications (2)

Publication Number Publication Date
CN105023737A true CN105023737A (en) 2015-11-04
CN105023737B CN105023737B (en) 2017-05-17

Family

ID=54413630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510305499.1A Active CN105023737B (en) 2015-06-08 2015-06-08 Sectional type extensible insulating cylinder

Country Status (1)

Country Link
CN (1) CN105023737B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108680146A (en) * 2018-04-08 2018-10-19 河南大学 A kind of built-in geological mapping instrument of data line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0549104A (en) * 1991-08-08 1993-02-26 Hitachi Ltd Current collector
JP2001208781A (en) * 2000-01-31 2001-08-03 Hasegawa Denki Kogyo Kk Dc electroscope
CN203397871U (en) * 2013-06-21 2014-01-15 特变电工衡阳变压器有限公司 Telescopic insulating barrel
CN204792377U (en) * 2015-06-08 2015-11-18 国家电网公司 Scalable insulating cylinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0549104A (en) * 1991-08-08 1993-02-26 Hitachi Ltd Current collector
JP2001208781A (en) * 2000-01-31 2001-08-03 Hasegawa Denki Kogyo Kk Dc electroscope
CN203397871U (en) * 2013-06-21 2014-01-15 特变电工衡阳变压器有限公司 Telescopic insulating barrel
CN204792377U (en) * 2015-06-08 2015-11-18 国家电网公司 Scalable insulating cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108680146A (en) * 2018-04-08 2018-10-19 河南大学 A kind of built-in geological mapping instrument of data line
CN108680146B (en) * 2018-04-08 2021-09-03 河南大学 Concealed geological mapping appearance in data line

Also Published As

Publication number Publication date
CN105023737B (en) 2017-05-17

Similar Documents

Publication Publication Date Title
CN102064005B (en) Maintainable novel dry type transformer special for offshore wind power
CN204792377U (en) Scalable insulating cylinder
CN105023737A (en) Sectional type extensible insulating cylinder
CN105489356A (en) Ultra-high voltage pulse transformer
CN205723087U (en) The direct outlet structure of power transformer 750kV
CN206820420U (en) A kind of female sliding support gold utensil of pipes of ¢ 450
CN103954892B (en) Transformer bushing voltage-sharing device suitable for conducting rods with various sizes
CN103326268B (en) A kind of mineral flame-proof type variable-frequency mobile substation
CN210378731U (en) Internal, middle and external three-shielding transformer
CN105655117B (en) SF6 current transformer
CN204315438U (en) Gas-filling cabinet major loop insulated support
CN107946026B (en) External current transformer for transformer
CN106531372A (en) Pressure equalizing ring capable of adjusting distance
CN205621871U (en) Gaseous cabinet conductive cone device of full insulation tubular busbar of prefabricated formula high pressure
CN101968992A (en) Railway traction transformer
CN204289074U (en) A kind of SF6 current transformer
CN202018878U (en) An installing structure of a transformer high pressure side current transformer coil
CN104538173A (en) Clamping device for transformer coil and work method of clamping device
CN205487695U (en) Transformer
CN203219133U (en) Tool for assembling parallel rings of generator
CN203521135U (en) High-voltage separate transformer
CN103515068B (en) High pressure detachable Transformer
CN220138095U (en) Novel gas current transformer with capacitive voltage division structure
CN202585021U (en) Oil tank of high-potential isolation transformer
CN205335075U (en) Insulating tube formwork utensil of dry -type amorphous alloy iron core transformer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 100030 Beijing Xicheng District West Chang'an Avenue 86

Co-patentee after: FUZHOU TIANYU ELECTRIC Co.,Ltd.

Patentee after: STATE GRID CORPORATION OF CHINA

Address before: 100761 No. 86 Chang'an Street, Xicheng District, Beijing

Co-patentee before: FUZHOU TIANYU ELECTRIC Co.,Ltd.

Patentee before: State Grid Corporation of China

CP03 Change of name, title or address
TR01 Transfer of patent right

Effective date of registration: 20181226

Address after: 350108 304-A115, 3rd floor, Pioneer Building, 8th East Science and Technology Road, Shangjie Town, Minhou County, Fuzhou City, Fujian Province

Patentee after: Fuzhou Xuji Electric Co.,Ltd.

Address before: 100030 Beijing Xicheng District West Chang'an Avenue 86

Co-patentee before: FUZHOU TIANYU ELECTRIC Co.,Ltd.

Patentee before: State Grid Corporation of China

TR01 Transfer of patent right