CN106252113A - High-voltage switch three-position mechanism - Google Patents
High-voltage switch three-position mechanism Download PDFInfo
- Publication number
- CN106252113A CN106252113A CN201610681552.2A CN201610681552A CN106252113A CN 106252113 A CN106252113 A CN 106252113A CN 201610681552 A CN201610681552 A CN 201610681552A CN 106252113 A CN106252113 A CN 106252113A
- Authority
- CN
- China
- Prior art keywords
- screw nut
- face
- feed screw
- drives
- voltage switch
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
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- Transmission Devices (AREA)
Abstract
The invention provides a kind of high-voltage switch three-position mechanism, including motor, it is characterized in that, motor drives screw nut driving mechanism, the extreme position that in screw nut driving mechanism, feed screw nut moves along a straight line on screw mandrel is limited by position induction device and buffer unit, after position induction device detects feed screw nut, motor quits work, and feed screw nut realizes stopping by buffer unit；Feed screw nut in screw nut driving mechanism drives coil to rotate around Y-axis, and meanwhile, feed screw nut drives sheave plate to turn about the Z axis, wherein: coil drives auxiliary switch to move by linkage, it is achieved the divide-shut brake motion of auxiliary switch；Sheave plate drives output gear shaft to turn about the Z axis by drive mechanism thus drives Switch main body to move, it is achieved isolation or the separating brake of earthed switch, closing function.Present invention eliminates brake unit or the clutch of complex and expensive, improve the mechanical life of mechanism, structure is the most simple and reliable, low cost.
Description
Technical field
The present invention relates to a kind of high-voltage switch three-position mechanism.
Background technology
High-voltage switch gear mechanism is used to realize the visual plant of high-voltage switch gear separating brake, closing operation.Traditional mechanism is usual
Using ball-screw to carry out transmitting movement, ball nut departs from ball orbit after motor power-off, solves the motor inertia occurred
Problem, when motor adverse movement, ball nut is returned to ball orbit under the effect of back-moving spring.This design cost is higher,
Easily occur that ball obscission causes mechanism to damage.Separately having settling mode is to be provided with motor braking to ask to the inertia solving motor
Topic, motor braking has been divided into multiple types, has certain complexity, and cost is high, take up room big.May be used without clutch is installed
The mode of device, solves the inertia problem of motor, but is the most also faced with structure complexity, cost height, and take up room big, reliability
The problem of difference.
The mode traditional when driving auxiliary switch transmission is gear drive, solves by being provided with shift fork and bevel-gear sett
The certainly transmission problem of auxiliary switch, program cost is high, and structure is complicated, takes up room big.
Summary of the invention
It is an object of the invention to use the simple structure of low cost to the motor inertia problem solving in high-voltage switch gear mechanism.
In order to achieve the above object, the technical scheme is that and provide a kind of high-voltage switch three-position mechanism, including
Motor, it is characterised in that motor drives screw nut driving mechanism, is limited feed screw nut by position induction device and buffer unit
The extreme position that in drive mechanism, feed screw nut moves along a straight line on screw mandrel, after position induction device detects feed screw nut,
Motor quits work, and feed screw nut realizes stopping by buffer unit；
Feed screw nut in screw nut driving mechanism drives coil to rotate around the axis of coil self, meanwhile, and screw mandrel spiral shell
Master tape moves sheave plate and turns about the Z axis, and Z axis is located normal to the perpendicular of sheave plate place plane, wherein:
Coil drives auxiliary switch to move by linkage, it is achieved the divide-shut brake motion of auxiliary switch；
Sheave plate drives output gear shaft to turn about the Z axis by drive mechanism thus drives Switch main body to move, it is achieved every
From or the separating brake of earthed switch, closing function.
Preferably, described position induction device uses the row triggered by the feed screw nut in described screw nut driving mechanism
Journey microswitch, the side at the two ends of the screw mandrel in described screw nut driving mechanism is respectively provided with a stroke microswitch.
Preferably, the screw mandrel in described screw nut driving mechanism be respectively arranged at the two ends with a described buffer unit, institute
State the buffer spring group that buffer unit includes being set in outside the end of screw mandrel, after buffer spring group pressurized, promote brake block, brake
Sheet and screw mandrel synchronous axial system, one end of back-moving spring group offsets with brake block, and the other end offsets with bearing block.
Preferably, described back-moving spring group is positioned at dirt-proof boot.
Preferably, described linkage uses quadric chain.
Preferably, described coil having spin slot, described feed screw nut is provided with the lobe one coordinated with spin slot, protruding
Portion one moves along spin slot thus drives described coil to rotate around Y-axis.
Preferably, drive mechanism includes the axle being moved synchronous axial system by described sheave strip, and shaft driven gear sheave synchronizes to turn
Dynamic, gear grooved wheel drives described output gear shaft synchronous axial system.
Preferably, described feed screw nut has six faces, and wherein, face one and face two are a pair opposite face, face three and face four
Being a pair opposite face, face five and face six are a pair opposite face, and the screw mandrel in described screw nut driving mechanism is from face one and face two
Run through described feed screw nut, face three is provided with the lobe two for driving described sheave plate, face four is provided with for carrying
Moving the lobe three of described gear sheave, described lobe one is located on face five, and the face six of described feed screw nut is used for triggering institute
State position induction device.
Preferably, output shaft one end of described motor is linked with described screw nut driving mechanism, another of output shaft
End is provided with and can be stretched by the axle of manual actuation.
Present invention have the advantage that
1, (motor braking either mechanical braking or electric braking have more multiple to eliminate traditional motor braking design
Miscellaneous structure), improve the reliability of mechanism driving device, make simple in construction, space is little, low cost.
2, eliminate traditional clutch designs, improve the reliability of mechanism driving device, make simple in construction, space
Little, low cost.
3, traditional ball-screw is designed as trapezoidal screw, i.e. reduces cost and turn avoid ball nut and moving to
The problem that ball comes off easily occurs during ball-screw end.
4, when feed screw nut moves along a straight line, coil is driven to rotate in spin slot by the lobe on feed screw nut, rotation
Pipe drives auxiliary switch to move by quadric chain, it is achieved the handoff functionality of auxiliary switch.Eliminate conventional ADS driving shift fork and
Bevel gear, solves cost high structure complicated, and take up room big problem.
5, amount of parts and machine driving link have been lacked in letter, make convenience quick for installation, make product smaller and more exquisite, for user
Save space.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the feed screw nut in the present invention；
Fig. 2 is the schematic diagram of the coil in the present invention；
Fig. 3 is the schematic diagram of the buffer unit in the present invention；
Fig. 4 is the schematic diagram that the present invention is in open position；
Fig. 5 is the schematic diagram that the present invention is in closing position；
Fig. 6 is present invention schematic diagram in running.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
In conjunction with Fig. 4 to Fig. 6, a kind of high-voltage switch three-position mechanism device that the present invention provides includes trapezoidal screw 10, silk
Stem nut 20, coil 30, stroke microswitch 40, quadric chain 50, motor 60, sheave plate 70, gear sheave 80, six square shaft
90, output gear shaft 100, auxiliary switch 110, buffer unit 120.
One end of the output shaft of motor 60 is linked with trapezoidal screw 10, thus drives trapezoidal screw 10 to rotate.Motor 60
The other end of output shaft is provided with axle and stretches, and axle is stretched and is designed as six square shafts, when motor no power, can use hand-operated tools drive shaft
Stretch, thus drive trapezoidal screw 10 to rotate, finally realize the separating brake of mechanism, motion of closing a floodgate.Trapezoidal screw 10 rotates rear-guard movable wire
Stem nut 20 moves along a straight line.
In conjunction with Fig. 1, in the present embodiment, it is hexahedro that feed screw nut 20 has A, B, C, D, E, F, screw mandrel 10 run through A, B face with
Feed screw nut 20 forms screw thread pair.C, D, E face has raised cylinder respectively, and this raised cylinder can be with driver slot wheel plate 70, tooth
Wheel sheave 80, coil 30 move, and F face is used for touching stroke microswitch 40.
Feed screw nut 20 driver slot wheel plate 70 rotates, and sheave plate 70 drives six square shafts 90 to rotate, six square shaft 90 driven gears
Sheave 80 rotates (feed screw nut 20 the most directly drives gear sheave 80 to rotate), and gear sheave 80 drives, output gear shaft
100 rotate, thus drive Switch main body to move, it is achieved isolation or the separating brake of earthed switch, closing function.
Feed screw nut 20 also simultaneously drives coil 30 and rotates.In conjunction with Fig. 2, coil 30 has spin slot 301, as feed screw nut 20
When moving along a straight line, the raised cylinder in E face drives coil 30 to rotate in spin slot 301.Coil 30 passes through quadric chain again
50 drive auxiliary switch 110 to move, it is achieved the handoff functionality of auxiliary switch.
When feed screw nut 20 touches stroke microswitch 40, motor 60 power-off, feed screw nut 20 is by buffer unit 120
Realize stopping.In conjunction with Fig. 3, buffer unit 120 includes dirt-proof boot 121, brake block 122, buffer spring group 123, back-moving spring group
124, key 125, bearing block 126.When, after motor 60 power-off, feed screw nut 20 starts to compress buffering elastic because motor inertia continues motion
Spring group 123, and promote brake block 122.Brake block 122 is by key 125 and screw mandrel 10 common pivoting movement.Brake block 122 has directly
Line motion has again rotary motion simultaneously, when brake block 122 contacts with bearing block 126 and produces fricting movement, and motor inertia energy
Amount is consumed, and stop motion.
Positive and negative rotation by motor 60, it is achieved the separating brake of switch, motion of closing a floodgate.
Claims (9)
1. a high-voltage switch three-position mechanism, including motor, it is characterised in that motor drives screw nut driving mechanism, by
Position induction device limits, with buffer unit, the limit position that in screw nut driving mechanism, feed screw nut moves along a straight line on screw mandrel
Putting, after position induction device detects feed screw nut, motor quits work, and feed screw nut realizes stopping by buffer unit；
Feed screw nut in screw nut driving mechanism drives coil to rotate around the axis of coil self, and meanwhile, feed screw nut carries
Dynamic sheave plate turns about the Z axis, and Z axis is located normal to the perpendicular of sheave plate place plane, wherein:
Coil drives auxiliary switch to move by linkage, it is achieved the divide-shut brake motion of auxiliary switch；
Sheave plate drives output gear shaft to turn about the Z axis thus drive Switch main body move by drive mechanism, it is achieved isolate or
The separating brake of earthed switch, closing function.
2. a kind of high-voltage switch three-position mechanism as claimed in claim 1, it is characterised in that described position induction device uses
The stroke microswitch triggered by the feed screw nut in described screw nut driving mechanism, in described screw nut driving mechanism
The side at two ends of screw mandrel be respectively provided with a stroke microswitch.
3. a kind of high-voltage switch three-position mechanism as claimed in claim 1, it is characterised in that at described screw nut driving machine
Screw mandrel in structure be respectively arranged at the two ends with a described buffer unit, it is slow that described buffer unit includes being set in outside the end of screw mandrel
Rush groups of springs, after buffer spring group pressurized, promote brake block, brake block and screw mandrel synchronous axial system, one end of back-moving spring group with stop
Car sheet offsets, and the other end offsets with bearing block.
4. a kind of high-voltage switch three-position mechanism as claimed in claim 4, it is characterised in that described back-moving spring group is positioned at anti-
In dirt set.
5. a kind of high-voltage switch three-position mechanism as claimed in claim 1, it is characterised in that described linkage uses four even
Linkage.
6. a kind of high-voltage switch three-position mechanism as claimed in claim 1, it is characterised in that have spin slot on described coil,
Described feed screw nut is provided with the lobe one coordinated with spin slot, and lobe one moves along spin slot thus drives described coil around Y
Axle rotates.
7. a kind of high-voltage switch three-position mechanism as claimed in claim 6, it is characterised in that drive mechanism includes by described groove
Wheel plate drives the axle of synchronous axial system, shaft driven gear sheave synchronous axial system, and gear grooved wheel drives described output gear shaft to synchronize to turn
Dynamic.
8. a kind of high-voltage switch three-position mechanism as claimed in claim 7, it is characterised in that described feed screw nut has six
Face, wherein, face one and face two are a pair opposite face, and face three and face four are a pair opposite face, and face five and face six are a pair opposite face,
Screw mandrel in described screw nut driving mechanism runs through described feed screw nut from face one and face two, is provided with for driving on face three
The lobe two of described sheave plate, is provided with the lobe three for driving described gear sheave, described lobe one on face four
Being located on face five, the face six of described feed screw nut is used for triggering described position induction device.
9. a kind of high-voltage switch three-position mechanism as claimed in claim 1, it is characterised in that output shaft one end of described motor
Being linked with described screw nut driving mechanism, the other end of output shaft is provided with can be stretched by the axle of manual actuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681552.2A CN106252113B (en) | 2016-08-17 | 2016-08-17 | High-voltage switch three-position mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681552.2A CN106252113B (en) | 2016-08-17 | 2016-08-17 | High-voltage switch three-position mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106252113A true CN106252113A (en) | 2016-12-21 |
| CN106252113B CN106252113B (en) | 2019-09-17 |
Family
ID=57592147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681552.2A Active CN106252113B (en) | 2016-08-17 | 2016-08-17 | High-voltage switch three-position mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106252113B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866433A (en) * | 2006-04-07 | 2006-11-22 | 西安西开高压电气股份有限公司 | Electric operating mechanism |
| CN200941536Y (en) * | 2006-07-27 | 2007-08-29 | 上海西安高压电器研究所有限责任公司 | Three-station operator for gaseous insulated metallic packed switching gear |
| CN201198815Y (en) * | 2008-03-11 | 2009-02-25 | 扬州神州风力发电机有限公司 | Brake device of wind power generator |
| CN202502934U (en) * | 2011-12-26 | 2012-10-24 | 沈阳华德海泰电器有限公司 | Operating mechanism of three-station switch |
| CN202930260U (en) * | 2012-11-15 | 2013-05-08 | 山东泰开高压开关有限公司 | Three-position electric operating mechanism |
| CN203250679U (en) * | 2013-06-03 | 2013-10-23 | 沈阳东牧电器制造有限公司 | Three-position switch electric operating mechanism for GIS |
| CN203423119U (en) * | 2013-06-20 | 2014-02-05 | 厦门华电开关有限公司 | Modular spring operation mechanism |
| CN204270909U (en) * | 2014-09-26 | 2015-04-15 | 陕西得瑞电力设备有限责任公司 | A kind of three position operation mechanisms |
-
2016
- 2016-08-17 CN CN201610681552.2A patent/CN106252113B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866433A (en) * | 2006-04-07 | 2006-11-22 | 西安西开高压电气股份有限公司 | Electric operating mechanism |
| CN200941536Y (en) * | 2006-07-27 | 2007-08-29 | 上海西安高压电器研究所有限责任公司 | Three-station operator for gaseous insulated metallic packed switching gear |
| CN201198815Y (en) * | 2008-03-11 | 2009-02-25 | 扬州神州风力发电机有限公司 | Brake device of wind power generator |
| CN202502934U (en) * | 2011-12-26 | 2012-10-24 | 沈阳华德海泰电器有限公司 | Operating mechanism of three-station switch |
| CN202930260U (en) * | 2012-11-15 | 2013-05-08 | 山东泰开高压开关有限公司 | Three-position electric operating mechanism |
| CN203250679U (en) * | 2013-06-03 | 2013-10-23 | 沈阳东牧电器制造有限公司 | Three-position switch electric operating mechanism for GIS |
| CN203423119U (en) * | 2013-06-20 | 2014-02-05 | 厦门华电开关有限公司 | Modular spring operation mechanism |
| CN204270909U (en) * | 2014-09-26 | 2015-04-15 | 陕西得瑞电力设备有限责任公司 | A kind of three position operation mechanisms |
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| Publication number | Publication date |
|---|---|
| CN106252113B (en) | 2019-09-17 |
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