CN105869793A - Internal support device of sleeve, composite post insulator and circuit breaker - Google Patents
Internal support device of sleeve, composite post insulator and circuit breaker Download PDFInfo
- Publication number
- CN105869793A CN105869793A CN201610215614.0A CN201610215614A CN105869793A CN 105869793 A CN105869793 A CN 105869793A CN 201610215614 A CN201610215614 A CN 201610215614A CN 105869793 A CN105869793 A CN 105869793A
- Authority
- CN
- China
- Prior art keywords
- support ring
- fixture block
- installation cavity
- support means
- support
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
Abstract
The invention relates to the field of high-voltage electrical appliances, in particular to an internal support device of a sleeve, a composite post insulator and a circuit breaker. The internal support device of the sleeve comprises a support ring, wherein the support ring is arranged in the sleeve; the support ring comprises a perforating hole which is used for guiding installation of an insulating tension pole in a penetrating manner; the support ring comprises clamping blocks capable of elastically extending and retracting along the radial direction of the support ring; and each clamping block comprises a locking position which protrudes on the periphery of the support ring outwards and is used for being in locking fit with a groove in the inner wall of the sleeve. When the internal support device is used, the support ring is reliably fixed in the composite sleeve through the cooperation of the clamping blocks and the grooves; the support ring plays supporting, vibration-damping and buffering roles on the insulating tension pole which is arranged in the support ring in a penetrating manner; and vibration of the insulating tension pole is within a controllable range, so that the effect on the breaking-closing performance of the circuit breaker is reduced; furthermore, the support device provided by the invention can be directly placed into the sleeve for use; and the application range is relatively wide.
Description
Technical field
The present invention relates to High-Voltage Electrical Appliances field, be specifically related to a kind of inside pipe casing support means, post composite insulator and breaker.
Background technology
Continuous lifting along with power network development speed, requirement to grid equipment is also constantly promoting, novel composite insulator has the plurality of advantages such as explosion-proof, strong shock resistance, manufacturing process are simple, becomes the first-selection of grid equipment external insulation casing pipe by progressively substituting porcelain knob sleeve pipe.
In voltage levels (more than 363kV) opens wide breaker, apply one-mast support composite insulator, can effectively simplify assembly process, save installation time.Post composite insulator includes composite bushing and the insulated tension pole being threaded onto in composite bushing, and inside pipe casing is filled with SF6Gas.Owing to electric pressure is the highest, the length of required post composite insulator is longer, for ensureing the mechanical property of breaker, need to reduce the moving-mass of insulated tension pole as far as possible, so insulated tension pole is thinner, in circuit-breaker switching on-off operating process, insulated tension pole moves at inside pipe casing, owing to the operating physical force of breaker is big, insulated tension pole is elongated, insulated tension pole can produce certain vibration, especially when by compression force, insulated tension pole easily produces elasticity of flexure deformation, accuracy and the reliability of transmission will be affected, and then affect accuracy and the reliability of circuit-breaker switching on-off.
The Chinese patent document that notification number is CN204927167U, the day for announcing is on December 30th, 2015 discloses a kind of guiding support device, this support means includes positioning disk, positioning disk is provided with and guides, for insulated tension pole, the perforation installed, insulated tension pole is played the effect of support guide by positioning disk, increase the rigidity of insulated tension pole, avoid insulated tension pole flexible deformation when by compression force, but this support means is arranged on the incision position of adjacent two insulators, can be only applied between the sleeve pipe of subsection setup, the scope of application is little.
Summary of the invention
It is an object of the invention to provide a kind of scope of application bigger can reduce the inside pipe casing support means to circuit-breaker switching on-off performance impact, the present invention also aims to provide a kind of post composite insulator using this device and breaker.
For achieving the above object, the technical scheme of inside pipe casing support means of the present invention is: inside pipe casing support means includes the support ring in being arranged on sleeve pipe, support ring has for guiding the perforation installing insulated tension pole, described support ring include can along the flexible fixture block of support ring radial elastic, described fixture block have outwardly in support ring periphery for the locking position coordinated with the groove locking on internal surface of sleeve pipe.
Described support ring is provided with the installation cavity for installing fixture block, and installation cavity has opening outwardly, and fixture block is assemblied in the opening of installation cavity with guiding anticreep, is top-loaded with the spring of outside pushing tow fixture block between described fixture block and installation cavity.
Described installation cavity has the installing port loaded for fixture block being opened on support ring side, is provided with the shrouding of closure installing port outside described installing port.
Described shrouding is provided with the counterbore for installing screw, and described support ring, fixture block and shrouding are all adopted and be made from an insulative material.
The hole wall of the perforation of support ring is provided with mounting groove, is provided with the wear ring for being slidably matched with insulated tension pole in mounting groove.
The technical scheme of post composite insulator of the present invention is: post composite insulator includes composite bushing, support means it is provided with inside composite bushing, described support means includes the support ring being arranged in sleeve pipe, support ring has for guiding the perforation installing insulated tension pole, described support ring includes the fixture block that can stretch along support ring radial elastic, the inwall of composite bushing is provided with groove, described fixture block have outwardly in support ring periphery with the locking position coordinated with described groove locking.
Described support ring is provided with the installation cavity for installing fixture block, and installation cavity has opening outwardly, and fixture block is assemblied in the opening of installation cavity with guiding anticreep, is top-loaded with the spring of outside pushing tow fixture block between described fixture block and installation cavity.
Described fixture block at least two, each fixture block is uniform along the circumferencial direction of support ring.
Described groove is the annular groove coaxial with composite bushing, and the width of described annular groove and the degree of depth are suitable with the maximum length that the width of fixture block and fixture block stretch out support ring respectively.
The technical scheme of breaker of the present invention is: breaker includes post composite insulator and insulated tension pole, described post composite insulator includes composite bushing, support means it is provided with inside composite bushing, support means includes the support ring in being arranged on sleeve pipe, support ring has for guiding the perforation installing insulated tension pole, described support ring include can along the flexible fixture block of support ring radial elastic, described fixture block have outwardly in support ring periphery for the locking position coordinated with the groove locking on internal surface of sleeve pipe.
Described support ring is provided with the installation cavity for installing fixture block, and installation cavity has opening outwardly, and fixture block is assemblied in the opening of installation cavity with guiding anticreep, is top-loaded with the spring of outside pushing tow fixture block between described fixture block and installation cavity.
Described installation cavity has the installing port loaded for fixture block being opened on support ring side, is provided with the shrouding of closure installing port outside described installing port.
Described shrouding is provided with the counterbore for installing screw, and described support ring, fixture block and shrouding are all adopted and be made from an insulative material.
The hole wall of the perforation of support ring is provided with mounting groove, is provided with the wear ring for being slidably matched with insulated tension pole in mounting groove.
The invention has the beneficial effects as follows: support ring is installed in composite bushing, fixture block in support ring can stretch along support ring radial elastic, during use, by fixture block and groove fit, support ring is securely fixed in composite bushing, support ring to be installed on insulated tension pole therein play support and the effect of vibration reduction and cushioning, make the vibration of insulated tension pole in controllable scope, thus reduce the impact on circuit-breaker switching on-off performance, additionally, the support means of the present invention can be directly placed at inside pipe casing and use, and the scope of application is wider.
Further, fixture block is arranged in support ring with guiding anticreep, and spring can make support ring can automatically switch to locking position after putting in place, it is simple to install.
Further, installing port is offered in support ring side, it is simple to fixture block is loaded installation cavity, shrouding is installed outside installing port, installing port is blocked, it is possible to prevent spring from skew occurring or comes off.
Further, shrouding setting counterbore, support ring, fixture block, shrouding are all adopted and are made from an insulative material, and entirety does not has exposed metal structure to be exposed in gas, it is to avoid affect the electric field within composite bushing.
Accompanying drawing explanation
Fig. 1 be post composite insulator of the present invention embodiment in the scheme of installation of support means；
Fig. 2 is the exploded view of support means in Fig. 1；
Fig. 3 is the structural representation of support means in Fig. 1；
Fig. 4 is the sectional view of support means in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of the post composite insulator of the present invention, as shown in Figures 1 to 4, post composite insulator is high pressure one-mast support composite insulator, including composite bushing 7 be positioned at the inside pipe casing support means within composite bushing 7.The inwall of composite bushing 7 is provided with groove 70, and groove 70 is the groove structure coaxial with composite bushing 7.nullSupport means includes the support ring 1 in being arranged on sleeve pipe，Support ring 1 includes the fixture block 2 being connected with spring 3 being radially arranged along support ring，Four fixture blocks 2 are uniform along the circumferencial direction of support ring，Fixture block 2 has outwardly support ring periphery with the locking position coordinated with groove 70 locking and the solution lock-bit of inside retraction support ring，Fixture block 2 is press-button structure，Fixture block 2 includes flexible body and is positioned at the block seat inside flexible body，Support ring 1 is provided with the installation cavity 10 for installing fixture block 2，Installation cavity 10 has opening 101 outwardly and the bottom surface relative with opening 101，Opening 101 is throat structure，Card block body is guiding movement in opening 101，The block seat of fixture block coordinates with opening 101 block，Prevent fixture block from deviating from installation cavity，The spring 3 being in compressive state all the time it is top-loaded with between the bottom surface of fixture block 2 and installation cavity 10.Installation cavity 10 also has the installing port being opened on support ring side, is easily loaded into installation cavity 10 for fixture block 2, is provided with shrouding 4 by screw outside installing port, to block installing port.Support ring 1 has for guiding the perforation installing insulated tension pole, and the hole wall of perforation is provided with mounting groove, is provided with the wear ring 6 for being slidably matched with insulated tension pole in mounting groove.In the present embodiment, shrouding is provided with the counterbore for installing screw, and support ring, fixture block, shrouding and wear ring are all adopted and be made from an insulative material, and overall structure does not has exposed metal burr to be directly exposed in gas, does not affect the electric field within composite bushing 7.The width of groove 70 and the degree of depth are suitable with the length that the width of fixture block 2 and fixture block stretch out support ring at solution lock-bit respectively.
During installation, make fixture block inside retraction support ring, three the different points propped up respectively in support ring by three root length bars 9, support ring is slowly pushed into insulating sleeve 7, when fixture block arrives the groove location in insulating sleeve, under the thrusting action of spring, automatic spring also stretches into and realizes locking in groove and fix, and is then guided in the perforation being installed on support ring by insulated tension pole 8.When product runs, support ring, to being installed on insulated tension pole therein realization support, makes the vibration of insulated tension pole in controllable scope, it is to avoid the performances such as the branch wire time of breaker, divide-shut brake speed are affected.
In the present embodiment, the concaveconvex structure by using fixture block to coordinate with groove locking achieves support ring fixing within insulating sleeve.In other embodiments, it is also possible to groove is replaced with shoulder hole, make support ring from miner diameter end load and block at ladder at, it is also possible to make support ring and the direct interference fit of insulating sleeve, utilize stiction to make support ring be fixed on inside insulating sleeve.
In other embodiments, it is also possible to save spring, make fixture block be directly anchored to the periphery of support ring, fixture block itself can be made to be made up of elastomeric material.
In other embodiments, the quantity of fixture block can also be one, two, three or more than five.
The inside pipe casing support means of the present invention is identical with the structure of the inside pipe casing support means of above-described embodiment B-C post composite insulator, does not repeats them here.
The breaker of the present invention includes post composite insulator and insulated tension pole, and wherein the structure of post composite insulator is identical with the structure of above-described embodiment B-C post composite insulator.
Claims (10)
1. inside pipe casing support means, it is characterized in that: described support means includes the support ring in being arranged on sleeve pipe, support ring has for guiding the perforation installing insulated tension pole, described support ring include can along the flexible fixture block of support ring radial elastic, described fixture block have outwardly in support ring periphery for the locking position coordinated with the groove locking on internal surface of sleeve pipe.
Support means the most according to claim 1, it is characterized in that: described support ring is provided with the installation cavity for installing fixture block, installation cavity has opening outwardly, and fixture block is assemblied in the opening of installation cavity with guiding anticreep, is top-loaded with the spring of outside pushing tow fixture block between described fixture block and installation cavity.
Support means the most according to claim 2, it is characterised in that: described installation cavity has the installing port loaded for fixture block being opened on support ring side, is provided with the shrouding of closure installing port outside described installing port.
Support means the most according to claim 3, it is characterised in that: described shrouding is provided with the counterbore for installing screw, and described support ring, fixture block and shrouding are all adopted and be made from an insulative material.
5. according to the support means described in any one of Claims 1-4, it is characterised in that: the hole wall of the perforation of support ring is provided with mounting groove, is provided with the wear ring for being slidably matched with insulated tension pole in mounting groove.
6. post composite insulator, described post composite insulator includes composite bushing, support means it is provided with inside composite bushing, it is characterized in that: described support means includes the support ring being arranged in sleeve pipe, support ring has for guiding the perforation installing insulated tension pole, described support ring includes can be along the flexible fixture block of support ring radial elastic, and the inwall of composite bushing is provided with groove, described fixture block have outwardly in support ring periphery with the locking position coordinated with described groove locking.
Post composite insulator the most according to claim 6, it is characterized in that: described support ring is provided with the installation cavity for installing fixture block, installation cavity has opening outwardly, fixture block is assemblied in the opening of installation cavity with guiding anticreep, is top-loaded with the spring of outside pushing tow fixture block between described fixture block and installation cavity.
8. according to the post composite insulator described in claim 6 or 7, it is characterised in that: described fixture block at least two, each fixture block is uniform along the circumferencial direction of support ring.
9. according to the post composite insulator described in claim 6 or 7, it is characterised in that: described groove is the annular groove coaxial with composite bushing, and the width of described annular groove and the degree of depth are suitable with the maximum length that the width of fixture block and fixture block stretch out support ring respectively.
10. breaker, including post composite insulator and insulated tension pole, described post composite insulator includes composite bushing, is provided with support means inside composite bushing, it is characterised in that: described support means is the support means described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215614.0A CN105869793B (en) | 2016-04-08 | 2016-04-08 | Inside pipe casing support meanss, post composite insulator and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215614.0A CN105869793B (en) | 2016-04-08 | 2016-04-08 | Inside pipe casing support meanss, post composite insulator and breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105869793A true CN105869793A (en) | 2016-08-17 |
| CN105869793B CN105869793B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610215614.0A Active CN105869793B (en) | 2016-04-08 | 2016-04-08 | Inside pipe casing support meanss, post composite insulator and breaker |
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| CN (1) | CN105869793B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201701066U (en) * | 2010-06-03 | 2011-01-12 | 厦门优尔电器有限公司 | Convenient roaster |
| CN103419205A (en) * | 2012-05-22 | 2013-12-04 | 中国科学院物理研究所 | Vacuum mechanical arm grabbing and releasing sample support |
| CN204376231U (en) * | 2015-01-17 | 2015-06-03 | 简思亮 | A kind of low-tension switch cabinet |
| CN104843216A (en) * | 2015-05-18 | 2015-08-19 | 慈溪市南盾电器有限公司 | Binding tightening device for strip material |
| CN204927167U (en) * | 2015-09-14 | 2015-12-30 | 河南平高电气股份有限公司 | Direction strutting arrangement and use device's pillar, knob insulator formula circuit breaker |
-
2016
- 2016-04-08 CN CN201610215614.0A patent/CN105869793B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201701066U (en) * | 2010-06-03 | 2011-01-12 | 厦门优尔电器有限公司 | Convenient roaster |
| CN103419205A (en) * | 2012-05-22 | 2013-12-04 | 中国科学院物理研究所 | Vacuum mechanical arm grabbing and releasing sample support |
| CN204376231U (en) * | 2015-01-17 | 2015-06-03 | 简思亮 | A kind of low-tension switch cabinet |
| CN104843216A (en) * | 2015-05-18 | 2015-08-19 | 慈溪市南盾电器有限公司 | Binding tightening device for strip material |
| CN204927167U (en) * | 2015-09-14 | 2015-12-30 | 河南平高电气股份有限公司 | Direction strutting arrangement and use device's pillar, knob insulator formula circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN105869793B (en) | 2017-12-15 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Maintenance branch company of State Grid Fujian Electric Power Co., Ltd. Applicant after: Pinggao Group Co., Ltd. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Applicant before: Pinggao Group Co., Ltd. Applicant before: State Grid Corporation of China Applicant before: Maintenance branch company of State Grid Fujian Electric Power Co., Ltd. |
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