CN106992082B - Circuit breaker operating mechanism and energy storage spring mounting structure thereof - Google Patents
Circuit breaker operating mechanism and energy storage spring mounting structure thereof Download PDFInfo
- Publication number
- CN106992082B CN106992082B CN201710266776.1A CN201710266776A CN106992082B CN 106992082 B CN106992082 B CN 106992082B CN 201710266776 A CN201710266776 A CN 201710266776A CN 106992082 B CN106992082 B CN 106992082B
- Authority
- CN
- China
- Prior art keywords
- guide
- energy storage
- guide plate
- spring
- plate
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
Landscapes
- Breakers (AREA)
Abstract
The invention relates to a circuit breaker operating mechanism and an energy storage spring mounting structure thereof, wherein the energy storage spring mounting structure comprises a guide rod, a first spring seat fixedly arranged on the guide rod and a second spring seat movably assembled on the guide rod and used for being hinged with an energy storage crank arm, and the guide rod is provided with a guide structure which is movably matched with the energy storage crank arm in a guide way. The guide bar is a whole bar and is directly matched with the energy storage connecting lever in a guiding and moving mode, and is not of a segmented structure, when the energy storage connecting lever rotates, the second spring seat can be guaranteed to move along the guide bar in a guiding mode so as to compress the energy storage spring, and the problem that the energy storage spring installation structure is prone to being stuck in the guiding process in the prior art is solved.
Description
Technical Field
The invention relates to the field of operating mechanisms of circuit breakers, in particular to a circuit breaker operating mechanism and an energy storage spring mounting structure thereof.
Background
The switch cabinet is needed to be used in various power systems, a circuit breaker in the switch cabinet is an important element of a high-voltage power-on loop of a switching-on and switching-off switching device, and a circuit breaker mechanism enables an energy storage spring to deform through an energy storage motor or a manual energy storage method, so that the energy storage purpose is achieved, and the preparation is made for the switching-on of the circuit breaker.
The existing multiple circuit breaker operating mechanisms adopt a pressure spring to store energy, as shown in fig. 1, one end of the pressure spring 5 is pressed on an upper spring seat 3, namely a first spring seat, the upper spring seat 3 penetrates on a fixed bent plate 7 through a pin 6, the fixed bent plate 7 is fixed on a certain plane of a circuit breaker frame, the other end of the pressure spring 5 is pressed on a lower spring seat 4, namely a second spring seat, the lower spring seat 4 is hinged on a crank arm pin 10 of a rotatable energy storage crank arm 2, and the energy storage crank arm 2 is rotatably assembled on a partition plate 1. When energy is required to be stored, the motor drives the energy storage connecting lever 2 to rotate in the hole of the partition plate 1, the lower spring seat 4 rotates along with the energy storage connecting lever 2, and the compression spring 5 is compressed to reach the shortest length and is kept, so that energy storage operation is completed. When energy needs to be released, the energy storage crank arm is enabled to act through other tripping components of the mechanism, and the pressure spring is extended. Because the pressure spring all has certain swing angle in radial direction in compression and release process, so need have the direction in order to guarantee that the pressure spring does not take place radial deflection. Go up spring holder 3 and be provided with the guide bar down between spring holder 4, the guide bar is including setting up round bar 8 on last spring holder 4 and setting up hollow tube 9 on spring holder 4 down, slide in hollow tube 9 through round bar 8 and realize the direction function, but because the guide bar is the segment structure, constitute by two sections, swing angle is great when the compression spring compression, when the compression spring is compressed, round bar and hollow tube depth of contact diminish, very easy emergence jamming, make energy storage or release energy failure, the security of direct influence circuit breaker mechanism, there is the potential safety hazard in the operation process, can not satisfy the required fail safe nature of electrical equipment.
Disclosure of Invention
The invention aims to provide an energy storage spring mounting structure, which aims to solve the problem that the mounting structure of an energy storage spring in the prior art is easy to generate a clamping stagnation phenomenon.
In order to achieve the purpose, the technical scheme of the energy storage spring mounting structure is as follows: the utility model provides an energy storage spring mounting structure, includes the guide bar and sets firmly the first spring holder on the guide bar, still includes the direction and removes the second spring holder that is used for on the guide bar with energy storage turning arm articulated, be equipped with on the guide bar and be used for with energy storage turning arm direction removal complex guide structure.
The guide structure comprises a long hole or a long groove which is arranged on the guide rod and the length of which extends along the length of the corresponding guide rod.
The guide rod comprises a first guide plate and a second guide plate which are arranged at intervals, and the first guide plate and the second guide plate are both provided with the long holes or the long grooves.
The second spring seat comprises a connecting plate part and a stepped shaft part, the connecting plate part is located between the first guide plate and the second guide plate, the stepped shaft part and the connecting plate part are integrally arranged, a hinge hole for enabling the second spring seat to be hinged to the energy storage crank arm is formed in the connecting plate part and corresponds to the long hole or the long groove, and guide holes for guiding and matching the first guide plate and the second guide plate respectively penetrate through the stepped shaft in the axial direction.
The free end of the first guide plate and the free end of the second guide plate are both arc-shaped structures.
The technical scheme of the circuit breaker operating mechanism is as follows: the utility model provides a circuit breaker operating mechanism, includes energy storage connecting lever, energy storage spring and supplies the mounting structure of energy storage spring installation, and mounting structure includes the guide bar and sets firmly the first spring holder on the guide bar, still including the direction remove assemble on the guide bar be used for with energy storage connecting lever articulated second spring holder, be equipped with on the guide bar be used for with energy storage connecting lever direction removal complex guide structure.
The guide structure comprises a long hole or a long groove which is arranged on the guide rod and the length of which extends along the length of the corresponding guide rod.
The guide rod comprises a first guide plate and a second guide plate which are arranged at intervals, and the first guide plate and the second guide plate are both provided with the long holes or the long grooves.
The second spring seat comprises a connecting plate part and a stepped shaft part, the connecting plate part is located between the first guide plate and the second guide plate, the stepped shaft part and the connecting plate part are integrally arranged, a hinge hole for enabling the second spring seat to be hinged to the energy storage crank arm is formed in the connecting plate part and corresponds to the long hole or the long groove, and guide holes for guiding and matching the first guide plate and the second guide plate respectively penetrate through the stepped shaft in the axial direction.
The free end of the first guide plate and the free end of the second guide plate are both arc-shaped structures.
The invention has the beneficial effects that: the second spring holder and the cooperation of guide bar guide movement are equipped with on the guide bar with energy storage connecting lever guide movement complex guide structure, the guide bar is the direct cooperation of moving with energy storage connecting lever guide movement of a whole root pole, rather than the segment structure, when the energy storage connecting lever rotates, can guarantee that the second spring holder moves along the guide bar guide with compression energy storage spring, has solved among the prior art the easy jamming problem of energy storage spring mounting structure at the direction in-process.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage spring and a mounting structure in a circuit breaker operating mechanism in the background art;
fig. 2 is a schematic structural view of an embodiment of a circuit breaker operating structure of the present invention with an energy storage spring extended;
fig. 3 is a schematic structural diagram of the circuit breaker operating mechanism after the energy storage spring is compressed;
FIG. 4 is a schematic structural view of the first spring seat coupled to the guide rod;
fig. 5 is a structural schematic view of the second spring seat.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment of the circuit breaker operating mechanism of the invention, as shown in fig. 2 to 5, comprises a partition plate 1, an energy storage connecting lever 2 rotatably mounted on the partition plate 1, an energy storage spring 5, a fixed bent plate 7 and a mounting structure for mounting the energy storage spring 5, wherein a connecting lever pin 13 is arranged on the energy storage connecting lever 2. The mounting structure comprises a first spring seat 3, a guide rod and a second spring seat 4, wherein the first spring seat 3 is fixedly arranged at one end of the guide rod, the second spring seat 4 is movably assembled on the guide rod in a guiding manner, the second spring seat 4 is hinged to a crank arm pin 10 of the energy storage crank arm 2, and a guide structure matched with the crank arm pin 13 of the energy storage crank arm 2 in a guiding manner is arranged on the guide rod. One end of the first spring seat 3 is hinged to a fixed bent plate 7 through a pin shaft 6, and the fixed bent plate 7 is connected to other parts of the circuit breaker. The guide bar comprises a first guide plate 8 and a second guide plate 9 which are arranged at intervals.
The first spring seat 3 comprises a pin shaft connecting part 3-1 used for being connected with a pin shaft 6 and a guide rod connecting part 3-2 connected with a guide rod, the energy storage spring 5 is sleeved on the periphery of the guide rod, the guide rod connecting part 3-2 is of a step structure, a step surface of the step structure forms a matching surface used for being in top pressing fit with one end of the energy storage spring 5, and the diameter of a small-diameter section of the step structure is matched with the inner diameter of the energy storage spring 5.
The second spring seat 4 comprises a connecting plate part 4-1 and a stepped shaft part 4-2 which are positioned between the first guide plate 8 and the second guide plate 9, and the connecting plate part 4-1 is provided with a hinge hole 4-3 which is hinged with a crank arm pin 13 of the energy storage crank arm 2. The stepped shaft part 4-2 is provided with guide holes 4-4 which axially penetrate through the stepped shaft part 4-2 and are respectively used for guiding, moving and assembling corresponding guide plates, the small-diameter section of the stepped shaft structure 4-2 is matched with the inner diameter of the energy storage spring 5, and the free end of the first guide plate 8 and the free end of the second guide plate 9 are both arc-shaped structures. The first guide plate 8 and the second guide plate 9 are provided with long holes 10 corresponding to the hinge holes 4-3, the length of each long hole 10 extends along the length direction of the corresponding guide plate, and each long hole 10 is used for enabling a crank pin 13 of the energy storage crank arm 2 to penetrate through and to be matched with the energy storage crank arm to guide and move to form the guide structure.
The working process of the circuit breaker operating mechanism of the invention is as follows: when energy is required to be stored, under the action of the energy storage crank arm 2, the second spring seat 4 compresses the energy storage spring 5 until the energy storage spring 5 is compressed to the shortest length, and the energy storage spring is kept by limiting to finish energy storage operation; when the energy needs to be released, the tripping component trips the energy storage spring 5, and the energy storage spring extends to release the energy. Through rotating energy storage connecting lever 2, drive second spring holder 4, first spring holder 3 and the motion of energy storage spring 5, second spring holder 4 is along guide bar guiding motion with compression energy storage spring 5, and the guide bar is a whole root pole moreover, and the guide bar also leads with energy storage connecting lever 2 and removes the cooperation to guaranteed that energy storage spring 5 does not take place the skew in compression process and extension in-process on radial direction.
In other embodiments of the present invention, the number of the guide plates may be adjusted according to actual needs, for example, three or more than three; the connecting plate part is not positioned between the first guide plate and the second guide plate, and also positioned at the outer side of the first guide plate and the second guide plate; the long hole can be replaced by a long groove; under the condition of not influencing the use, the free end of the first guide plate and the free end of the second guide plate can be in a rectangular structure instead of an arc structure; the guide rod can also be of a guide post structure instead of a guide plate, and the long hole is arranged on the guide post; the guide piece can also comprise a first guide plate, a second guide plate and guide columns, and the guide columns are arranged at the moment as long as the assembly of the crank arm pins of the energy storage crank arm and the guide plates is not influenced.
The embodiment of the energy storage spring mounting structure is the same as the mounting structure of each embodiment of the breaker operating mechanism, and the details are not repeated here.
Claims (4)
1. The utility model provides an energy storage spring mounting structure, includes the guide bar and sets firmly the first spring holder on the guide bar, its characterized in that: the energy storage connecting lever is movably assembled on the guide rod, and is hinged with a connecting lever pin of the energy storage connecting lever; the guide structure comprises a long hole or a long groove which is arranged on the guide rod and the length of which extends along the length of the corresponding guide rod; the guide rod comprises a first guide plate and a second guide plate which are arranged at intervals, and the first guide plate and the second guide plate are both provided with the long holes or the long grooves; the second spring seat comprises a connecting plate part and a stepped shaft part, the connecting plate part is located between the first guide plate and the second guide plate, the stepped shaft part and the connecting plate part are integrally arranged, a hinge hole for enabling the second spring seat to be hinged to the energy storage crank arm is formed in the connecting plate part and corresponds to the long hole or the long groove, and guide holes for guiding and matching the first guide plate and the second guide plate respectively penetrate through the stepped shaft in the axial direction.
2. The energy storage spring mounting structure according to claim 1, wherein: the free end of the first guide plate and the free end of the second guide plate are both arc-shaped structures.
3. The utility model provides a circuit breaker operating mechanism, includes energy storage connecting lever, energy storage spring and the mounting structure who supplies the energy storage spring installation, mounting structure includes the guide bar and sets firmly the first spring holder on the guide bar, its characterized in that: the energy storage connecting lever is movably assembled on the guide rod, and the guide rod is provided with a guide structure which is movably matched with the energy storage connecting lever in a guide way; the guide structure comprises a long hole or a long groove which is arranged on the guide rod and the length of which extends along the length of the corresponding guide rod; the guide rod comprises a first guide plate and a second guide plate which are arranged at intervals, and the first guide plate and the second guide plate are both provided with the long holes or the long grooves; the second spring seat comprises a connecting plate part and a stepped shaft part, the connecting plate part is located between the first guide plate and the second guide plate, the stepped shaft part and the connecting plate part are integrally arranged, a hinge hole for enabling the second spring seat to be hinged to the energy storage crank arm is formed in the connecting plate part and corresponds to the long hole or the long groove, and guide holes for guiding and matching the first guide plate and the second guide plate respectively penetrate through the stepped shaft in the axial direction.
4. The circuit breaker actuator of claim 3 wherein: the free end of the first guide plate and the free end of the second guide plate are both arc-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266776.1A CN106992082B (en) | 2017-04-21 | 2017-04-21 | Circuit breaker operating mechanism and energy storage spring mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266776.1A CN106992082B (en) | 2017-04-21 | 2017-04-21 | Circuit breaker operating mechanism and energy storage spring mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992082A CN106992082A (en) | 2017-07-28 |
| CN106992082B true CN106992082B (en) | 2020-03-27 |
Family
ID=59416927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266776.1A Active CN106992082B (en) | 2017-04-21 | 2017-04-21 | Circuit breaker operating mechanism and energy storage spring mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106992082B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587546B (en) * | 2019-06-21 | 2021-12-07 | 天津平高智能电气有限公司 | Closing spring assembly mounting tool |
| CN112713020B (en) * | 2020-12-14 | 2023-04-14 | 平高集团有限公司 | Spring operating mechanism and frame thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6015959A (en) * | 1998-10-30 | 2000-01-18 | Eaton Corporation | Molded case electric power switches with cam driven, spring powered open and close mechanism |
| CN101283423A (en) * | 2005-08-10 | 2008-10-08 | 西门子公司 | Breaker |
| CN101425405A (en) * | 2007-06-01 | 2009-05-06 | 伊顿公司 | Electrical switching apparatus and stored energy assembly therefor |
| CN102496494A (en) * | 2011-11-24 | 2012-06-13 | 天津市百利电气有限公司 | Energy-storage spring mechanism of operating mechanism of circuit breaker and assembly method for energy-storage spring mechanism |
| CN102522260A (en) * | 2011-11-27 | 2012-06-27 | 天水长城开关厂有限公司 | Compression-type closing spring used for spring operation mechanism |
| CN204497081U (en) * | 2015-02-13 | 2015-07-22 | 上海良信电器股份有限公司 | A kind of isolator operation controlling organization |
| CN206685274U (en) * | 2017-04-21 | 2017-11-28 | 河南森源电气股份有限公司 | Breaker operation mechanism and its energy-stored spring mounting structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514868U (en) * | 2009-09-24 | 2010-06-23 | 厦门华电开关有限公司 | Symmetrical arrangement double-acting spring over-centering electric spring mechanism |
| CN106571253A (en) * | 2015-10-12 | 2017-04-19 | 北海银河开关设备有限公司 | Spring drive device for three-position switching operating mechanism |
-
2017
- 2017-04-21 CN CN201710266776.1A patent/CN106992082B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6015959A (en) * | 1998-10-30 | 2000-01-18 | Eaton Corporation | Molded case electric power switches with cam driven, spring powered open and close mechanism |
| CN101283423A (en) * | 2005-08-10 | 2008-10-08 | 西门子公司 | Breaker |
| CN101425405A (en) * | 2007-06-01 | 2009-05-06 | 伊顿公司 | Electrical switching apparatus and stored energy assembly therefor |
| CN102496494A (en) * | 2011-11-24 | 2012-06-13 | 天津市百利电气有限公司 | Energy-storage spring mechanism of operating mechanism of circuit breaker and assembly method for energy-storage spring mechanism |
| CN102522260A (en) * | 2011-11-27 | 2012-06-27 | 天水长城开关厂有限公司 | Compression-type closing spring used for spring operation mechanism |
| CN204497081U (en) * | 2015-02-13 | 2015-07-22 | 上海良信电器股份有限公司 | A kind of isolator operation controlling organization |
| CN206685274U (en) * | 2017-04-21 | 2017-11-28 | 河南森源电气股份有限公司 | Breaker operation mechanism and its energy-stored spring mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106992082A (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106992082B (en) | Circuit breaker operating mechanism and energy storage spring mounting structure thereof | |
| CN203288485U (en) | Direct-acting isolating earthing switch | |
| CN103117514A (en) | Circuit breaker mechanical switch-on and switch-off operating mechanism for high-voltage switch cabinet | |
| WO2016078625A1 (en) | High voltage switch moving contact mechanism, and high voltage switch using same | |
| CN208433337U (en) | A kind of high-voltage switch gear | |
| CN101989516A (en) | Moving contact device of moulded case circuit breaker | |
| CN111341611B (en) | Emergency brake separating device for power equipment | |
| CN114121545A (en) | Circuit breaker with direct-acting double-isolating switch transmission device | |
| CN104900442B (en) | A kind of earthed switch being combined with lightning arrester and its method | |
| CN210426979U (en) | Aging testing mechanism for microswitch | |
| CN210957526U (en) | Device is changed to ground connection switch spring | |
| CN204632601U (en) | Big current electric ground switch | |
| CN211466247U (en) | Isolator touches and indicates assembly quality | |
| CN206685274U (en) | Breaker operation mechanism and its energy-stored spring mounting structure | |
| CN209232665U (en) | A kind of porcelain knob breaker dynamic micro-model of interior visible | |
| CN113241279A (en) | Combined micro-button switch and assembling and disassembling method thereof | |
| CN207068760U (en) | A kind of emergent star triangle start device of armstrong's patent | |
| CN106531502B (en) | Dual-power transfer switch manual closing mechanism is pressed in a kind of permanent magnetism | |
| CN107658160B (en) | Three-phase synchronous fusion tube feedback trigger device | |
| CN210443483U (en) | Transmission mechanism of grounding switch | |
| CN210516647U (en) | Shock-resistant train circuit breaker | |
| CN219190072U (en) | Quincuncial contact dismounting device for switch equipment | |
| CN203983064U (en) | A kind of back-moving spring of isolating switch | |
| CN203799892U (en) | Isolation switch electric-control device for high-voltage fixed cabinets | |
| CN108573837B (en) | Wound-type memory alloy reclosing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |