CN106128816A - The stored energy operating mechanism of chopper - Google Patents
The stored energy operating mechanism of chopper Download PDFInfo
- Publication number
- CN106128816A CN106128816A CN201610646933.7A CN201610646933A CN106128816A CN 106128816 A CN106128816 A CN 106128816A CN 201610646933 A CN201610646933 A CN 201610646933A CN 106128816 A CN106128816 A CN 106128816A
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- China
- Prior art keywords
- energy storage
- spring
- lever
- storage lever
- point
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- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
nullThe present invention relates to the stored energy operating mechanism of a kind of chopper，Including two side plates、Drive shaft、Energy storage device、Transmission component，Energy storage device includes cam pack、Energy storage lever assembly、Spring assembly，Energy storage lever assembly includes two energy storage levers、Connecting shaft，Two energy storage levers are arranged on two side plates by two bearing pins respectively，The center of two bearing pins is the centre of gyration A of energy storage lever，The upper end of energy storage lever is connected on the connecting rod of transmission component，Energy storage lever and the stress point B that junction point is energy storage lever of connecting rod，Spring assembly includes spring support、Big spring and little spring，One end of spring support is connected on the lower end of energy storage lever，Spring support and the point of application C that junction point is energy storage lever of energy storage lever，The distance of the line L1 distance more than the line L2 between stress point B and centre of gyration A between point of application C and centre of gyration A.The present invention has compact conformation, high life, advantage stable and reliable for performance, dynamical.
Description
Technical field
Present invention relates particularly to a kind of chopper, be specifically related to the stored energy operating mechanism of a kind of chopper.
Background technology
At present, frame-type circuit breaker is to can turn on, carry and electric current under the conditions of disjunction normal circuit, also can be in regulation
Improper circuit condition under connect, carry a kind of mechanical switch electrical equipment of certain time and breaking current.Stored energy operating mechanism
It is the critical component of frame-type circuit breaker, the energy storage of chopper, closes, disconnect and being undertaken by stored energy operating mechanism.Existing energy storage
The stored energy rate of operating mechanism is low, is limited by volume and related components intensity, cannot accomplish big power transfer, thus
The breaking capacity causing frame-type circuit breaker is relatively low, it is impossible to meet the requirement of the high breaking capacity of chopper；If needing big energy
When amount increases the breaking capacity of chopper, spring force can only be increased under the stress less than parts, but, spring force
Increments is little and has a strong impact on life-span of stored energy operating mechanism after increasing, and will also result in the volume mistake of whole stored energy operating mechanism
Greatly, it is impossible to meet the requirement of frame-type circuit breaker miniaturization, and the dynamical requirement of frame-type circuit breaker can not be met.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of compact conformation, high life, stable performance can
Lean on, high-effect, the stored energy operating mechanism of chopper breaking capacity can be effectively improved.
For achieving the above object, the present invention uses the stored energy operating mechanism of a kind of chopper, sets including two parallel interval
The side plate put, rotate be arranged between two side plates and with the drive shaft of driving means linkage, energy storage on the driving shaft is set
Device, the transmission component being arranged between two side plates and arranging with energy storage device linkage, described energy storage device includes and drives
The cam pack of moving axis linkage setting and the energy storage lever assembly of cam pack linkage setting, spring assembly, described energy storage thick stick
The connecting shaft that bar assembly includes two energy storage levers, is connected between two energy storage levers, on two described energy storage levers all
It is provided with a bearing pin, and two energy storage levers are arranged on two side plates by two bearing pins respectively, and in two bearing pins
The heart is the centre of gyration A of energy storage lever, and the upper end of energy storage lever is connected on the connecting rod of transmission component, energy storage lever and connecting rod
Junction point is the stress point B of energy storage lever, and described spring assembly includes spring support, the big spring being arranged on spring support
And little spring, one end of spring support is connected on the lower end of energy storage lever, and the junction point of spring support and energy storage lever is
The point of application C of energy storage lever, and between point of application C and centre of gyration A, the distance of line L1 is more than stress point B and centre of gyration A
Between the distance of line L2, the other end of spring support is fixed on side plate.And the centrage of spring support and horizontal plane it
Between be formed with angle a, and the number of degrees of angle a are more than 2 ° and less than 20 °, when energy storage device is in de-energized state, spring support
Centrage and point of application C to centre of gyration A between line L1 be formed with angle b, and the number of degrees of angle b are more than 70 ° and little
In 90 °.
Said structure provides the benefit that: it is steady that the stored energy operating mechanism of this chopper has compact conformation, high life, performance
Determining reliable, high-effect, to be effectively improved chopper breaking capacity advantage, this stored energy operating mechanism is by the storage to energy storage device
Can be optimized by lever, acting force arm L1 is more than resistance arm L2, thus optimizes whole stored energy operating mechanism rotation system, accomplishes
In the case of not increasing spring force, it is achieved small spring force converts big energy, effectively reduce stored energy operating mechanism simultaneously
Impulsive force, extends the service life of this stored energy operating mechanism, efficiently solves in chopper industry constantly to high breaking, small-sized
Change, under the trend of long-life development, in the case of not increasing chopper volume, provide higher combined floodgate energy, increase chopper storage
Can the difficult problem in operating mechanism service life.
Especially, described driving means is motor or manual actuation assembly.Motor is used to drive drive shaft, thus can
Realize the electric energy-stored of this stored energy operating mechanism；When operator operate manual actuation assembly, this stored energy operation machine can be realized
The manual energy storage of structure.
Especially, described manual actuation assembly includes that the outside of corresponding side plate arranges handle on the driving shaft, sets
Put and ratchet on the driving shaft is set at the torsion spring between handle with drive shaft, corresponding handle, rotate the location being arranged on side plate
The ratchet that matches on axle and with ratchet, extension spring, described ratchet is arranged with handle linkage, and one end of described extension spring is connected to
On one end of ratchet, the other end of extension spring is connected on side plate.It is provided by manual actuation assembly, when operation, operator
Member's turning handle, handle drives ratchet, pawl action, and ratchet drives drive shaft turns, and drive shaft drives energy storage device action, from
And realize the manual energy storage of this stored energy operating mechanism.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention axonometric chart.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the axonometric chart after the present invention removes a side plate.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the sectional view of spring assembly of the present invention.
Detailed description of the invention
As shown in Fig. 1～5, the embodiment of the present invention is the stored energy operating mechanism of a kind of chopper, including two parallel interval
Arrange side plate 10, rotate be arranged between two side plates 10 and with driving means linkage drive shaft 11, be arranged on drive shaft
Energy storage device 30 on 11, the transmission component 40 being arranged between two side plates 10 and arranging with energy storage device 30 linkage, described
Energy storage device 30 include with drive shaft 11 linkage arrange cam pack 31 and cam pack 31 linkage arrange energy storage lever
Assembly 32, spring assembly 33, described energy storage lever assembly 32 includes two energy storage levers 321, is connected to two energy storage levers
Connecting shaft 322 between 321, two described energy storage levers 321 are provided with a bearing pin 323, and two energy storage levers
321 are arranged on two side plates 10 by two bearing pins 323 respectively, and the center of two bearing pins 323 is returning of energy storage lever 321
Turning center A, the upper end of energy storage lever 321 is connected on the connecting rod of transmission component 40, and energy storage lever 321 with the junction point of connecting rod is
The stress point B of energy storage lever 321, described spring assembly 33 include spring support 331, be arranged on spring support 331 big
Spring 332 and little spring 333, one end of spring support 331 is connected on the lower end of energy storage lever 321, and spring support 331 with
The junction point of energy storage lever 321 is the point of application C of energy storage lever 321, and between point of application C and the centre of gyration A line L1 away from
From the distance more than the line L2 between stress point B and centre of gyration A, the other end of spring support 331 is fixed on side plate 10.
And between the centrage of spring support 331 and horizontal plane, it is formed with angle a, and the number of degrees of angle a are more than 2 ° and less than 20 °,
When energy storage device is in de-energized state, between centrage and the point of application C to centre of gyration A of spring support 331, line L1 is formed
There is angle b, and the number of degrees of angle b are more than 70 ° and less than 90 °.As shown in Figure 1, 2, described driving means is motor or hands
Dynamic driving assembly 20.Described manual actuation assembly 20 includes that the outside of corresponding side plate 10 is arranged on the handle in drive shaft 11
21, it is arranged on ratchet 23 in drive shaft 11 at the torsion spring 22 that is arranged between handle 21 with drive shaft 11, corresponding handle 21, rotates
The ratchet 24 that is arranged on the locating shaft 101 of side plate 10 and match with ratchet 23, extension spring 25, described ratchet 23 and handle 21
Linkage is arranged, and one end of described extension spring 25 is connected on one end of ratchet 24, and the other end of extension spring 25 is connected on side plate 10.
Use motor to drive drive shaft, thus the electric energy-stored of this stored energy operating mechanism can be realized；It is provided by manual actuation group
Part, when operation, operator's turning handle, handle drives ratchet, pawl action, and ratchet drives drive shaft turns, drive shaft
Drive energy storage device action, thus realize the manual energy storage of this stored energy operating mechanism.
This stored energy operating mechanism is by being optimized the energy storage lever of energy storage device, and acting force arm L1 is more than resistance arm
L2, according to F1 × L1=F2 × L2, obtains directed force F 1 and is less than F2, thus the big energy realizing small spring force converts；Releasing energy
Under state, spring support forms a angle with the L1 line support on energy storage lever, calculates and model emulation through strict, calculates
To most scientific during 70 ° of ＜ a ＜ 90 °.The active force to energy storage lever of spring assembly is spring force F bullet × sina, in theory a=
When 90 °, stored energy rate is up to 100%, but when releasing energy, spring force is bigger than normal to the impulsive force of lever like that, is unfavorable for machine
In the life-span of structure, finding 70 ° of ＜ a ＜ 90 ° through research, energy storage active force is the most preferable with the value of the impulsive force to mechanism.For ensureing
Release can time impulsive force and release can completely time active force reach the most reasonably to be worth, energy storage device is carried out brand-new design,
The centrage of de-energized state lower spring support forms angle b, as 2 ° of ＜ b ＜ 20 °, the energy storage of this stored energy operating mechanism with horizontal plane
Best results.This spring energy agency, by optimizing whole rotation system, has been accomplished in the case of not increasing spring force, real
Existing small spring force converts big energy, effectively reduces stored energy operating mechanism impulsive force simultaneously, extends this stored energy operating mechanism
Service life, efficiently solve in chopper industry constantly to high breaking, miniaturization, under the trend of long-life development, not
Increase and higher combined floodgate energy is provided in the case of chopper volume, extend the difficult problem in breaker energy storage operating mechanism service life.
Thus the stored energy operating mechanism of this chopper have compact conformation, the high life, stable and reliable for performance, high-effect, can be effectively improved
The advantage of chopper breaking capacity.
Claims (3)
1. a stored energy operating mechanism for chopper, side plate, rotation including two parallel interval settings are arranged on two side plates
Between and and the drive shaft of driving means linkage, energy storage device on the driving shaft is set, be arranged between two side plates and with
The transmission component that energy storage device linkage is arranged, it is characterised in that: described energy storage device includes convex with what drive shaft linkage was arranged
Wheel assembly and the energy storage lever assembly of cam pack linkage setting, spring assembly, described energy storage lever assembly includes two storages
Energy lever, the connecting shaft being connected between two energy storage levers, two described energy storage levers are provided with a bearing pin, and
Two energy storage levers are arranged on two side plates by two bearing pins respectively, and the revolution that the center of two bearing pins is energy storage lever
Center A, the upper end of energy storage lever is connected on the connecting rod of transmission component, and energy storage lever is energy storage lever with the junction point of connecting rod
Stress point B, described spring assembly includes spring support, the big spring being arranged on spring support and little spring, spring support
One end be connected on the lower end of energy storage lever, and the point of application C that junction point is energy storage lever of spring support and energy storage lever,
And the distance of the line L1 distance more than the line L2 between stress point B and centre of gyration A between point of application C and centre of gyration A,
The other end of spring support is fixed on side plate.And between the centrage of spring support and horizontal plane, it is formed with angle a, and angle
The number of degrees of a are more than 2 ° and less than 20 °, and when energy storage device is in de-energized state, the centrage of spring support and point of application C are to returning
Turn line L1 between the A of center and be formed with angle b, and the number of degrees of angle b are more than 70 ° and less than 90 °.
The stored energy operating mechanism of chopper the most according to claim 1, it is characterised in that: described driving means is motor
Or manual actuation assembly.
The stored energy operating mechanism of chopper the most according to claim 2, it is characterised in that: described manual actuation assembly bag
The outside including corresponding side plate arranges handle on the driving shaft, the torsion spring being arranged between handle with drive shaft, corresponding handle
Place arranges ratchet on the driving shaft, rotates ratchet, the extension spring being arranged on the locating shaft of side plate and matching with ratchet, described
Ratchet is arranged with handle linkage, and one end of described extension spring is connected on one end of ratchet, and the other end of extension spring is connected to side plate
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646933.7A CN106128816A (en) | 2016-08-02 | 2016-08-02 | The stored energy operating mechanism of chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646933.7A CN106128816A (en) | 2016-08-02 | 2016-08-02 | The stored energy operating mechanism of chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128816A true CN106128816A (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610646933.7A Pending CN106128816A (en) | 2016-08-02 | 2016-08-02 | The stored energy operating mechanism of chopper |
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| Country | Link |
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| CN (1) | CN106128816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961970A (en) * | 2017-12-26 | 2019-07-02 | Abb瑞士股份有限公司 | Change-over switch and its manufacturing method |
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|---|---|---|---|---|
| CN101414527A (en) * | 2007-10-15 | 2009-04-22 | 三菱电机株式会社 | Operating apparatus of switch |
| CN201556540U (en) * | 2009-12-16 | 2010-08-18 | 常熟开关制造有限公司(原常熟开关厂） | Energy storing device of breaker operating mechanism |
| EP2299461A2 (en) * | 2009-09-16 | 2011-03-23 | Eaton Corporation | Electrical switching apparatus and charging assembly therefor |
| CN202678141U (en) * | 2012-07-16 | 2013-01-16 | 无锡市凯旋电机有限公司 | Energy storage device for motor-driven operating mechanism |
| CN203596327U (en) * | 2013-12-02 | 2014-05-14 | 上海良信电器股份有限公司 | Energy storage system of breaker operation mechanism |
| CN203631447U (en) * | 2013-12-20 | 2014-06-04 | 江苏新洛凯机电有限公司 | Operation mechanism of frame-type breaker |
| CN204361029U (en) * | 2015-01-26 | 2015-05-27 | 上海电科电器科技有限公司 | Circuit breaker and energy storage thereof and resetting device |
| CN205863030U (en) * | 2016-08-02 | 2017-01-04 | 环宇集团浙江高科有限公司 | The stored energy operating mechanism of chopper |
-
2016
- 2016-08-02 CN CN201610646933.7A patent/CN106128816A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414527A (en) * | 2007-10-15 | 2009-04-22 | 三菱电机株式会社 | Operating apparatus of switch |
| EP2299461A2 (en) * | 2009-09-16 | 2011-03-23 | Eaton Corporation | Electrical switching apparatus and charging assembly therefor |
| CN201556540U (en) * | 2009-12-16 | 2010-08-18 | 常熟开关制造有限公司(原常熟开关厂） | Energy storing device of breaker operating mechanism |
| CN202678141U (en) * | 2012-07-16 | 2013-01-16 | 无锡市凯旋电机有限公司 | Energy storage device for motor-driven operating mechanism |
| CN203596327U (en) * | 2013-12-02 | 2014-05-14 | 上海良信电器股份有限公司 | Energy storage system of breaker operation mechanism |
| CN203631447U (en) * | 2013-12-20 | 2014-06-04 | 江苏新洛凯机电有限公司 | Operation mechanism of frame-type breaker |
| CN204361029U (en) * | 2015-01-26 | 2015-05-27 | 上海电科电器科技有限公司 | Circuit breaker and energy storage thereof and resetting device |
| CN205863030U (en) * | 2016-08-02 | 2017-01-04 | 环宇集团浙江高科有限公司 | The stored energy operating mechanism of chopper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961970A (en) * | 2017-12-26 | 2019-07-02 | Abb瑞士股份有限公司 | Change-over switch and its manufacturing method |
| CN109961970B (en) * | 2017-12-26 | 2022-07-05 | Abb瑞士股份有限公司 | Transfer switch and method of manufacturing the same |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 325603 Wenzhou Bridge Industrial Zone, Yueqing, Zhejiang Applicant after: Huanyu Group Zhejiang hi tech Limited by Share Ltd Address before: 325603 Wenzhou Bridge Industrial Zone, Yueqing, Zhejiang Applicant before: HUANYU GROUP ZHEJIANG HIGH-TECH CO., LTD. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |
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| WD01 | Invention patent application deemed withdrawn after publication |