CN111968877A - High-voltage vacuum circuit breaker structure - Google Patents
High-voltage vacuum circuit breaker structure Download PDFInfo
- Publication number
- CN111968877A CN111968877A CN202010981978.6A CN202010981978A CN111968877A CN 111968877 A CN111968877 A CN 111968877A CN 202010981978 A CN202010981978 A CN 202010981978A CN 111968877 A CN111968877 A CN 111968877A
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- Prior art keywords
- movable frame
- hinged
- rod
- circuit breaker
- pair
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a high-voltage vacuum circuit breaker structure, and relates to the technical field of circuit breakers. The invention comprises a mounting shell, a fixed frame and a movable frame; a fixed mount is fixedly arranged in the mounting shell; a movable frame is arranged below the fixed frame; a sliding rod is transversely fixed below the movable frame; a positioning rod is fixedly arranged in the middle of the sliding rod; a guide tube is matched on the peripheral side surface of the positioning rod; one side of the guide pipe is matched with a power assembly; the bottom of the fixed frame is fixedly provided with a contact A; the top of the movable frame is fixedly provided with a contact B; a pair of hinged supports A is fixedly arranged at the top of the movable frame; the peripheral side surface of the slide bar is connected with a pair of slide blocks in a sliding way; the upper end and the lower end of the sliding block are respectively provided with a hinged support B; the hinged support B at the upper end is hinged with a connecting rod A. The invention solves the problems of lower assembly efficiency and poorer action stability caused by more parts of the existing high-voltage vacuum circuit breaker through the action of the fixed frame, the movable frame, the sliding rod and the guide pipe.
Description
Technical Field
The invention belongs to the technical field of circuit breakers, and particularly relates to a high-voltage vacuum circuit breaker structure.
Background
The breaker is a switch device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time. Circuit breakers are classified into vacuum circuit breakers, high voltage circuit breakers and low voltage circuit breakers according to their range of use. The high-voltage vacuum circuit breaker is named after the arc extinguishing medium and the insulating medium in the contact gap after arc extinguishing are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The high-voltage vacuum circuit breaker is an indoor power distribution device in a three-phase alternating current system, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation. The existing high-voltage vacuum circuit breaker is often provided with more parts, so that the assembly efficiency is lower, the control is troublesome, and the stability of the action is poorer.
Disclosure of Invention
The invention aims to provide a high-voltage vacuum circuit breaker structure, which solves the problems of lower assembly efficiency and poorer action stability of the existing high-voltage vacuum circuit breaker due to more parts by virtue of a fixed frame, a movable frame, a sliding rod and a guide pipe.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a high-voltage vacuum circuit breaker structure, which comprises an installation shell, a fixed frame and a movable frame, wherein the installation shell is provided with a plurality of installation holes; a fixed frame is fixedly arranged in the mounting shell; a movable frame is arranged below the fixed frame; a sliding rod is transversely fixed below the movable frame; a positioning rod is fixedly arranged in the middle of the sliding rod; a guide pipe is matched with the peripheral side surface of the positioning rod; one side of the guide pipe is matched with a power assembly; the bottom of the fixed frame is fixedly provided with a contact A; a contact B is fixedly arranged at the top of the movable frame; a pair of hinged supports A is fixedly arranged at the top of the movable frame; the peripheral side surface of the slide bar is connected with a pair of slide blocks in a sliding way; the upper end and the lower end of each sliding block are provided with a hinged support B; the hinged support B at the upper end is hinged with a connecting rod A; the other end of the connecting rod A is hinged with the hinged support A.
Furthermore, a pair of elastic pieces is symmetrically sleeved on two sides of the positioning rod; the end of the elastic piece is matched with a damping block.
Furthermore, a threaded section is formed at the upper end of the positioning rod; the lower end of the positioning rod is a smooth section.
Furthermore, a positioning ring is sleeved at the upper end of the guide pipe; a pair of connecting rods B are symmetrically hinged to the peripheral side surface of the positioning ring; the other end of the connecting rod B is hinged with the hinged support B.
Furthermore, a first limiting plate is fixedly connected to the peripheral side surface of the guide pipe; a pair of second limiting plates is fixedly connected below the first limiting plate; the positioning ring is clamped between the first limiting plate and the second limiting plate; and a gear A is fixedly arranged between the pair of second limiting plates.
Further, the power assembly includes a drive device; a gear B is fixedly arranged on an output shaft of the driving device; the peripheral side surface of the driving device is fixedly connected with a guide ring through a fixing column; the gear B is meshed with the gear A; the inner wall of the guide ring is connected with the positioning rod in a sliding manner.
The invention has the following beneficial effects:
1. the elastic piece is a spring, so that the damping and resetting of the movement of the sliding block are facilitated, the damping block further improves the damping effect, and meanwhile, the abrasion of the sliding block is reduced; moreover, the invention has fewer parts, so that the assembly efficiency of enterprises is higher.
2. According to the invention, the gear B is meshed with the gear A, and the gear A is driven to rotate by the driving device, so that the guide pipe is driven to move up and down on the positioning rod, the movable frame and the contact B are driven to act, the control is simple, and the stability is high.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a high voltage vacuum circuit breaker structure according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
in the drawings, the components represented by the respective reference numerals are listed below:
1-an installation shell, 2-a fixed frame, 3-a movable frame, 4-a sliding rod, 5-a guide tube, 6-a driving device, 201-a contact A, 301-a contact B, 302-a hinged support A, 401-a sliding block, 402-a hinged support B, 403-a connecting rod A, 404-a positioning rod, 405-an elastic part, 406-a damping block, 501-a positioning ring, 502-a connecting rod B, 503-a first limiting plate, 504-a second limiting plate, 601-a gear B, 602-a guide ring, 603-a gear A and 4041-a thread section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention relates to a high voltage vacuum circuit breaker structure, which comprises a mounting housing 1, a fixed frame 2 and a movable frame 3; a fixed mount 2 is fixedly arranged in the mounting shell 1; a movable frame 3 is arranged below the fixed frame 2; a sliding rod 4 is transversely fixed below the movable frame 3; a positioning rod 404 is fixedly arranged in the middle of the sliding rod 4; a guide tube 5 is matched with the peripheral side surface of the positioning rod 404; one side of the guide pipe 5 is matched with a power assembly; the bottom of the fixed frame 2 is fixedly provided with a contact A201; the top of the movable frame 3 is fixedly provided with a contact B301; a pair of hinged supports A302 is fixedly arranged at the top of the movable frame 3; the peripheral side surface of the slide bar 4 is connected with a pair of slide blocks 401 in a sliding way; the upper end and the lower end of the sliding block 401 are both provided with a hinged support B402; a connecting rod A403 is hinged to a hinged support B402 at the upper end; the other end of the connecting rod A403 is hinged with the hinge seat A302.
Preferably, as shown in fig. 1, a pair of elastic members 405 is symmetrically sleeved on two sides of the positioning rod 404, the elastic members 405 are springs, so as to facilitate damping and resetting of the movement of the sliding block 401, and the damping block 406 further improves the damping effect and reduces the abrasion of the sliding block 401; the end of the elastic member 405 is fitted with a damper block 406.
Preferably, as shown in fig. 1-2, the upper end of the positioning rod 404 is provided with a threaded section 4041, and the threaded section 4041 facilitates the movement of the guide tube 5; the lower end of the positioning rod 404 is a smooth section, which is convenient for matching with the movement of the driving device 6.
Preferably, as shown in fig. 1-2, a positioning ring 501 is sleeved on the upper end of the guide tube 5; a pair of connecting rods B502 are symmetrically hinged to the peripheral side of the positioning ring 501; the other end of the connecting rod B502 is hinged with the hinged support B402, and when the guide pipe 5 moves, the connecting rod B502 drives the sliding block 401 to slide left and right, and further drives the movable frame 3 to move up and down to be matched with the contact A201.
Preferably, as shown in fig. 1-2, a first limiting plate 503 is fixedly connected to the peripheral side surface of the guide tube 5; a pair of second limiting plates 504 is fixedly connected below the first limiting plate 503; the positioning ring 501 is clamped between the first limiting plate 503 and the second limiting plate 504, so that the positioning ring 501 and the movable frame 3 are driven to move up and down through the movement of the guide pipe 5, and the control is simple and convenient; a gear a603 is fixedly mounted between the pair of second stopper plates 504.
Preferably, as shown in fig. 2, the power assembly comprises a drive means 6; a gear B601 is fixedly arranged on an output shaft of the driving device 6; the peripheral side surface of the driving device 6 is fixedly connected with a guide ring 602 through a fixing column; the gear B601 is meshed with the gear A603, and the gear A603 is driven to rotate through the driving device 6, so that the guide pipe 5 is driven to move up and down on the positioning rod 404, and the movable frame 3 and the contact B301 are driven to move; the inner wall of the guide ring 602 is slidably connected to the positioning rod 404, so as to be matched with the driving device 6 to move up and down during operation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A high-voltage vacuum circuit breaker structure comprises an installation shell (1), a fixed frame (2) and a movable frame (3); the method is characterized in that:
a fixed frame (2) is fixedly arranged in the mounting shell (1); a movable frame (3) is arranged below the fixed frame (2); a sliding rod (4) is transversely fixed below the movable frame (3);
a positioning rod (404) is fixedly arranged in the middle of the sliding rod (4); a guide pipe (5) is matched with the peripheral side surface of the positioning rod (404); one side of the guide pipe (5) is matched with a power assembly;
a contact A (201) is fixedly arranged at the bottom of the fixed frame (2);
a contact B (301) is fixedly arranged at the top of the movable frame (3); the top of the movable frame (3) is fixedly provided with a pair of hinged supports A (302);
the peripheral side surface of the sliding rod (4) is connected with a pair of sliding blocks (401) in a sliding manner; the upper end and the lower end of the sliding block (401) are respectively provided with a hinged support B (402); the hinge seat B (402) at the upper end is hinged with a connecting rod A (403); the other end of the connecting rod A (403) is hinged with the hinged support A (302).
2. The structure of a high-voltage vacuum circuit breaker according to claim 1, characterized in that a pair of elastic members (405) are symmetrically sleeved on both sides of the positioning rod (404); the end of the elastic element (405) is matched with a damping block (406).
3. The structure of a high-voltage vacuum circuit breaker according to claim 1 or 2, characterized in that the upper end of the positioning rod (404) is provided with a threaded section (4041); the lower end of the positioning rod (404) is a smooth section.
4. A high-voltage vacuum circuit breaker structure as claimed in claim 3, characterized in that a positioning ring (501) is sleeved on the upper end of the guide tube (5); a pair of connecting rods B (502) are symmetrically hinged to the peripheral side surface of the positioning ring (501);
the other end of the connecting rod B (502) is hinged with the hinged support B (402).
5. The structure of a high-voltage vacuum circuit breaker according to claim 4, characterized in that a first limit plate (503) is fixedly connected to the peripheral side surface of the guide tube (5); a pair of second limiting plates (504) is fixedly connected below the first limiting plate (503);
the positioning ring (501) is clamped between the first limiting plate (503) and the second limiting plate (504);
and a gear A (603) is fixedly arranged between the pair of second limit plates (504).
6. A high-voltage vacuum interrupter arrangement according to claim 5, characterized in that the power assembly comprises a driving device (6); a gear B (601) is fixedly arranged on an output shaft of the driving device (6); the peripheral side surface of the driving device (6) is fixedly connected with a guide ring (602) through a fixing column;
the gear B (601) is meshed with the gear A (603); the inner wall of the guide ring (602) is connected with the positioning rod (404) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981978.6A CN111968877A (en) | 2020-09-17 | 2020-09-17 | High-voltage vacuum circuit breaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981978.6A CN111968877A (en) | 2020-09-17 | 2020-09-17 | High-voltage vacuum circuit breaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111968877A true CN111968877A (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010981978.6A Pending CN111968877A (en) | 2020-09-17 | 2020-09-17 | High-voltage vacuum circuit breaker structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN111968877A (en) |
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| CN101483113A (en) * | 2008-01-07 | 2009-07-15 | 株式会社日立制作所 | Vacuum switchgear |
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| CN110660607A (en) * | 2019-09-30 | 2020-01-07 | 顾天琪 | Bridge type contact load switch and smart electric meter |
| CN210505148U (en) * | 2019-09-30 | 2020-05-12 | 丽水市汇众经贸有限公司 | Buffer device for building elevator car |
| CN111161967A (en) * | 2020-02-21 | 2020-05-15 | 绍兴图雅电子科技有限公司 | Charging column circuit protection device |
| CN111463080A (en) * | 2019-01-22 | 2020-07-28 | 上海焜达电力科技有限公司 | External operating mechanism of circuit breaker of high-voltage switch cabinet and use method thereof |
| CN111451981A (en) * | 2020-04-14 | 2020-07-28 | 金川集团股份有限公司 | Appurtenance of disconnected ear fault handling of negative pole copper |
-
2020
- 2020-09-17 CN CN202010981978.6A patent/CN111968877A/en active Pending
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| EP2731120A1 (en) * | 2012-11-08 | 2014-05-14 | ABB Technology AG | Vacuum interrupter arrangement for a medium voltage circuit breaker with cup-shaped TMF-contacts |
| US20150248978A1 (en) * | 2012-11-08 | 2015-09-03 | Abb Technology Ag | Vacuum interrupter arrangement for a medium voltage circuit breaker with cup-shaped tmf-contacts |
| CN103050324A (en) * | 2012-12-17 | 2013-04-17 | 大连理工大学 | Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| CN104979129A (en) * | 2014-04-03 | 2015-10-14 | 施耐德电器工业公司 | Medium voltage switchgear comprising two switches per phase |
| CN104227465A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Regulation device used for moving type axis part drilling fixture |
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| CN108412950A (en) * | 2018-04-10 | 2018-08-17 | 佛山市艾温特智能科技有限公司 | A kind of LIFI R-T units with damping effect |
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Application publication date: 20201120 |
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