CN106252113B - High-voltage switch three-position mechanism - Google Patents
High-voltage switch three-position mechanism Download PDFInfo
- Publication number
- CN106252113B CN106252113B CN201610681552.2A CN201610681552A CN106252113B CN 106252113 B CN106252113 B CN 106252113B CN 201610681552 A CN201610681552 A CN 201610681552A CN 106252113 B CN106252113 B CN 106252113B
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- China
- Prior art keywords
- screw nut
- face
- feed screw
- axis
- driving mechanism
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Classifications
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- 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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Abstract
The present invention provides a kind of high-voltage switch three-position mechanisms, including motor, it is characterized in that, motor driven screw nut driving mechanism, the extreme position that feed screw nut moves along a straight line on screw rod in screw nut driving mechanism is limited by position induction device and buffer unit, after position induction device detects feed screw nut, motor stops working, and feed screw nut is realized by buffer unit to stop；Feed screw nut in screw nut driving mechanism drives coil to rotate around Y-axis, meanwhile, feed screw nut drives sheave plate to turn about the Z axis, in which: coil drives auxiliary switch to move by link mechanism, realizes the divide-shut brake movement of auxiliary switch；Sheave plate drives output gear shaft to turn about the Z axis by transmission mechanism to which driving switch ontology moves, and realizes separating brake, the closing function of isolation or earthing switch.Present invention eliminates the brake apparatus of complex and expensive or clutches, improve the mechanical life of mechanism, and structure is more simple and reliable, at low cost.
Description
Technical field
The present invention relates to a kind of high-voltage switch three-position mechanisms.
Background technique
High-voltage switch gear mechanism is the important equipment for realizing high-voltage switch gear separating brake, closing operation.Traditional mechanism is usual
Using ball-screw come passing movement, ball nut is detached from ball orbit after motor power-off, to solve the motor inertia occurred
Problem, when motor counter motion, ball nut is returned to ball orbit under the action of reset spring.The design cost is higher,
Easily ball obscission occur causes mechanism to damage.Separately having settling mode is to ask equipped with motor braking to solve the inertia of motor
Topic, motor braking are divided into a lot of types, have certain complexity, and at high cost, occupied space is big.Installation clutch can also be used
The mode of device to solve the inertia problem of motor, but is equally also faced with that structure is complicated, at high cost, and occupied space is big, reliability
The problem of difference.
When driving auxiliary switch transmission, traditional mode is gear drive, is solved by being equipped with shift fork and bevel-gear sett
The certainly transmission problem of auxiliary switch, the program is at high cost, and structure is complicated, and occupied space is big.
Summary of the invention
The purpose of the present invention is the simple structures using low cost to solve the motor inertia problem in high-voltage switch gear mechanism.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of high-voltage switch three-position mechanisms, including
Motor, which is characterized in that motor driven screw nut driving mechanism limits feed screw nut by position induction device and buffer unit
The extreme position that feed screw nut moves along a straight line on screw rod in transmission mechanism, after position induction device detects feed screw nut,
Motor stops working, and feed screw nut is realized by buffer unit to stop；
Feed screw nut in screw nut driving mechanism drives coil to rotate around the axis of coil itself, meanwhile, screw rod spiral shell
Master tape moves sheave plate and turns about the Z axis, and Z axis is located at the perpendicular perpendicular to plane where sheave plate, in which:
Coil drives auxiliary switch movement by link mechanism, realizes the divide-shut brake movement of auxiliary switch；
Sheave plate by transmission mechanism drive output gear shaft turn about the Z axis to driving switch ontology move, realize every
From or earthing switch separating brake, closing function.
Preferably, the position induction device is used by the row of feed screw nut's triggering in the screw nut driving mechanism
Journey microswitch, the side at the both ends of the screw rod in the screw nut driving mechanism are respectively provided with a stroke microswitch.
Preferably, the both ends of the screw rod in the screw nut driving mechanism are respectively provided with the buffer unit, institute
Stating buffer unit includes the buffer spring group being set in outside the end of screw rod, and buffer spring group pushes brake block after being pressurized, and is braked
Piece and screw rod rotate synchronously, and one end and the brake block of reset spring group offset, and the other end offsets with bearing block.
Preferably, the reset spring group is located in dirt-proof boot.
Preferably, the link mechanism uses four-bar mechanism.
Preferably, spin slot is provided on the coil, the feed screw nut is equipped with the lug boss one cooperated with spin slot, protrusion
It moves that the coil is driven to rotate around Y-axis along spin slot in portion one.
Preferably, transmission mechanism includes that shaft driven gear sheave is synchronous to be turned by the dynamic axis rotated synchronously of the sheave strip
Dynamic, gear grooved wheel drives the output gear shaft to rotate synchronously.
Preferably, there are six faces for feed screw nut's tool, wherein face one is a pair of of opposite face, face three and face four with face two
For a pair of of opposite face, face five and face six are a pair of of opposite face, and the screw rod in the screw nut driving mechanism is from face one and face two
Through the feed screw nut, it is equipped with the lug boss two for driving the sheave plate on face three, is equipped on face four and is used for band
The lug boss three of the gear sheave is moved, the lug boss one is set on face five, and the face six of the feed screw nut is for triggering institute
State position induction device.
Preferably, output shaft one end of the motor is linked with the screw nut driving mechanism, output shaft it is another
End is equipped with can be stretched by the axis of manual actuation.
The present invention has the advantage that
1, eliminating traditional motor braking design, (motor braking either mechanical braking or electric braking have more multiple
Miscellaneous structure), the reliability of mechanism driving device is improved, keeps structure simple, space is small, at low cost.
2, traditional clutch designs are eliminated, the reliability of mechanism driving device is improved, keep structure simple, space
It is small, at low cost.
3, traditional ball-screw is designed as trapezoidal screw, that is, reduces costs and in turn avoids ball nut and moving to
Easily there is the problem of ball falls off when ball-screw end.
4, when feed screw nut moves in a straight line, coil is driven to rotate in spin slot by the lug boss on feed screw nut, rotation
Pipe drives auxiliary switch movement by four-bar mechanism, realizes the handoff functionality of auxiliary switch.Eliminate conventional ADS driving shift fork and
Bevel gear, solve it is at high cost structure is complicated, the big problem of occupied space.
5, amount of parts and machine driving link have been lacked in letter, make to be quickly and expediently installed, and keep product more compact, are user
Save space.
Detailed description of the invention
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 the schematic diagram of the present invention in the process of running.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
In conjunction with fig. 4 to fig. 6, a kind of high-voltage switch three-position mechanism device provided by the invention includes trapezoidal screw 10, silk
Stem nut 20, coil 30, stroke microswitch 40, four-bar mechanism 50, motor 60, sheave plate 70, gear sheave 80, six square shafts
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, so that trapezoidal screw 10 be driven to rotate.Motor 60
The other end of output shaft is stretched equipped with axis, and axis, which is stretched, is designed as six square shafts, when motor no power, can use hand-operated tools drive shaft
It stretches, so that trapezoidal screw 10 is driven to rotate, the separating brake of final implementation mechanism, movement of closing a floodgate.Trapezoidal screw 10 drives silk after rotating
Stem nut 20 moves in a straight line.
In conjunction with Fig. 1, in the present embodiment, feed screw nut 20 have six face A, B, C, D, E, F, screw rod 10 through the face A, B with
Feed screw nut 20 forms screw thread pair.C, there is raised cylinder in the face D, E respectively, which can be with driver slot wheel plate 70, tooth
Sheave 80, the movement of coil 30 are taken turns, the face F is used to touch stroke microswitch 40.
The rotation of 20 driver slot wheel plate 70 of feed screw nut, sheave plate 70 drive the rotation of six square shafts 90, and six square shafts 90 are with moving gear
The rotation of sheave 80 (feed screw nut 20 also directly drives the rotation of gear sheave 80 simultaneously), gear sheave 80 drives, output gear shaft
100 rotations realize separating brake, the closing function of isolation or earthing switch so that Switch main body be driven to move.
Feed screw nut 20 goes back while coil 30 being driven to rotate.In conjunction with Fig. 2, coil 30 has spin slot 301, as feed screw nut 20
When moving in a straight line, the raised cylinder in the face E drives coil 30 to rotate in spin slot 301.Coil 30 passes through four-bar mechanism again
50 driving auxiliary switches 110 move, and realize the handoff functionality of auxiliary switch.
When feed screw nut 20 touches stroke microswitch 40, motor 60 is powered off, and feed screw nut 20 passes through buffer unit 120
It realizes and stops.In conjunction with Fig. 3, buffer unit 120 includes dirt-proof boot 121, brake block 122, buffer spring group 123, reset spring group
124, key 125, bearing block 126.After motor 60 powers off, feed screw nut 20 starts to compress buffering elastic because motor inertia continues movement
Spring group 123, and push brake block 122.Brake block 122 passes through key 125 and 10 common pivoting movement of screw rod.Brake block 122 has directly
Line movement has rotary motion again simultaneously, when brake block 122 contacts with bearing block 126 and generates fricting movement, motor inertia energy
Amount is consumed, and stop motion.
By the positive and negative rotation of motor 60, the separating brake of switch, movement of closing a floodgate are realized.
Claims (7)
1. a kind of high-voltage switch three-position mechanism, including motor, which is characterized in that motor driven screw nut driving mechanism, by
Position induction device and buffer unit limit the limit position that feed screw nut moves along a straight line on screw rod in screw nut driving mechanism
It sets, after position induction device detects feed screw nut, motor stops working, and feed screw nut is realized by buffer unit to stop；
Feed screw nut in screw nut driving mechanism drives coil to rotate around the axis of coil itself, meanwhile, feed screw nut with
Dynamic sheave plate turns about the Z axis, and Z axis is perpendicular to sheave plate, in which:
Coil drives auxiliary switch movement by link mechanism, realizes the divide-shut brake movement of auxiliary switch；
Sheave plate by transmission mechanism drive output gear shaft turn about the Z axis to driving switch ontology move, realize isolation or
Separating brake, the closing function of earthing switch；
The both ends of screw rod in the screw nut driving mechanism are respectively provided with the buffer unit, and feed screw nut passes through slow
Flushing device, which is realized, to be stopped, and the buffer unit includes the buffer spring group being set in outside the end of screw rod, after motor power-off, silk
Stem nut starts to compress buffer spring group because motor inertia continues movement, and buffer spring group pushes brake block, brake block after being pressurized
It is rotated synchronously with screw rod, one end and the brake block of reset spring group offset, and the other end offsets with bearing block；
The reset spring group is located in dirt-proof boot.
2. a kind of high-voltage switch three-position mechanism as described in claim 1, which is characterized in that the position induction device uses
By the stroke microswitch of feed screw nut's triggering in the screw nut driving mechanism, in the screw nut driving mechanism
The side at both ends of screw rod be respectively provided with a stroke microswitch.
3. a kind of high-voltage switch three-position mechanism as described in claim 1, which is characterized in that the link mechanism connects using four
Linkage.
4. a kind of high-voltage switch three-position mechanism as described in claim 1, which is characterized in that it is provided with spin slot on the coil,
The feed screw nut is equipped with the lug boss one cooperated with spin slot, and lug boss one moves to drive the coil around Y along spin slot
Axis rotation, Y-axis are the axis of the coil length direction.
5. a kind of high-voltage switch three-position mechanism as claimed in claim 4, which is characterized in that transmission mechanism includes by the slot
Wheel plate drives the axis rotated synchronously, and shaft driven gear sheave rotates synchronously, and gear grooved wheel drives the output gear shaft is synchronous to turn
It is dynamic.
6. a kind of high-voltage switch three-position mechanism as claimed in claim 5, which is characterized in that there are six feed screw nut's tools
Face, wherein face one is a pair of of opposite face with face two, and face three and face four are a pair of opposite face, and face five and face six are a pair of of opposite face,
Screw rod in the screw nut driving mechanism runs through the feed screw nut from face one and face two, is equipped on face three for driving
The lug boss two of the sheave plate is equipped with the lug boss three for driving the gear sheave, the lug boss one on face four
On face five, the face six of the feed screw nut is for triggering the position induction device.
7. a kind of high-voltage switch three-position mechanism as described in claim 1, which is characterized in that output shaft one end of the motor
It is linked with the screw nut driving mechanism, the other end of output shaft is equipped with and can be stretched by the axis 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 CN106252113A (en) | 2016-12-21 |
| CN106252113B true CN106252113B (en) | 2019-09-17 |
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ID=57592147
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610681552.2A Active CN106252113B (en) | 2016-08-17 | 2016-08-17 | High-voltage switch three-position mechanism |
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| Country | Link |
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| CN (1) | CN106252113B (en) |
Citations (7)
| 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 driven 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-08-17 CN CN201610681552.2A patent/CN106252113B/en active Active
Patent Citations (7)
| 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 driven 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 |
| 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 |
|---|---|
| CN106252113A (en) | 2016-12-21 |
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