CN108807031A - A kind of transfer switch unit applied to the switching of tap switch circuit - Google Patents
A kind of transfer switch unit applied to the switching of tap switch circuit Download PDFInfo
- Publication number
- CN108807031A CN108807031A CN201810687595.0A CN201810687595A CN108807031A CN 108807031 A CN108807031 A CN 108807031A CN 201810687595 A CN201810687595 A CN 201810687595A CN 108807031 A CN108807031 A CN 108807031A
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- CN
- China
- Prior art keywords
- box body
- shift fork
- bridge
- conducting rod
- switching
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- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0038—Tap change devices making use of vacuum switches
Landscapes
- Gear-Shifting Mechanisms (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of transfer switch units applied to the switching of tap switch circuit, including shift fork (1), dynamic tactile bridge (2), fixed contact (3), conducting rod (4) and box body (5), the one end open of the box body (5), shift fork (1) and dynamic tactile bridge (2) are sequentially installed in the box body, the shift fork (1) is close to the open end of box body, rotation is mounted in box body, the side of the dynamic tactile bridge (2) coordinates with shift fork (1) transmission, rotation is mounted in box body (5), the conducting rod (4) for crossing box body is installed in the middle part of the box body (5), there are two fixed contacts (3) for installation on the box body (5) at the conducting rod (4) rear portion.It is an advantage of the invention that：Drive mechanism is simple, lower to requirement on machining accuracy, is easily guaranteed that product quality；Circuit is separated compared to traditional single even numbers and saves 2 vacuum tubes, reduces cost etc..
Description
Technical field
The present invention relates to a kind of transfer switch units applied to the switching of tap switch circuit, are specifically applied to true
Have the transfer switch unit of on-load shunting switch conversion circuit in handoff procedure in vain.
Background technology
Vacuum on-load operation switch (hereinafter referred to as vacuum switch) is that vacuum tube is used to be touched as the switching of handover operation
Head.Per the vacuum switch of mutually 2 pipes, the conversion of circuit during will being switched over 2 change-over switches.Current 2 pipes
Vacuum switch used in change-over switch, the kind of drive is that the rotary motion of horizontal direction is transformed to Vertical Square by a shift fork
To rotary motion, driving moving contact rotated around trunnion axis, carry out switching on and off operation.This change-over switch arrangement is complicated,
Driving roller stirs the shift fork rotated around vertical axis, and shift fork drives the ratchet of an installation on the horizontal axis again, and ratchet drives dynamic
Contact is rotated around trunnion axis, in turn switches on left and right fixed contact, while respectively there are one springs for dress for moving contact rack upper and lower ends, pass through
The spherical pressure of movable contact, which refers to, to be acted on holder, and moving contact quick rotation is made.This structure makes part coordinate required precision
It is higher with manufacturing cost, it is not easy to ensure product quality.
Invention content
To overcome the deficiencies of existing technologies, the present invention provides a kind of change-over switch dress applied to the switching of tap switch circuit
It sets, the technical scheme is that：
A kind of transfer switch unit applied to the switching of tap switch circuit, including shift fork (1), dynamic tactile bridge (2), fixed contact
(3), conducting rod (4) and box body (5), the one end open of the box body (5), are sequentially installed with shift fork (1) in the box body
With dynamic tactile bridge (2), which is mounted on close to the open end of box body, rotation in box body, and the one of the dynamic tactile bridge (2)
Side coordinates with shift fork (1) transmission, and being mounted in box body (5) for rotation is equipped in the middle part of the box body (5) and crosses
The conducting rod (4) of box body, there are two fixed contact (3), two fixed contacts for installation on the box body (5) at the conducting rod (4) rear portion
(3) spacing is formed between, and is matched with the other side of the dynamic tactile bridge.
The shift fork (1) includes that shift fork body (11), the first axis pin (12), reversal means (14), first clamping plate (15), tail push away spring
(17) and idler wheel (16) first clamping plate, two first clamping plates, are separately installed in the upper and lower part of the shift fork body (11)
(15) arranged in parallel, first axis pin (12) passes through the shift fork body (11) and two first clamping plates (15),
It is provided with slideway (13) on the clamping plate, is slided between each first clamping plate and the support plate of corresponding shift fork body
Reversal means (14) is installed, the head end rotation of each reversal means (14) is equipped with idler wheel (16), and end pushes away spring by tail
(17) it is connected on the shift fork body (11), the slideway (13) is that the reversal means (14) is oriented to.
The dynamic tactile bridge (2) includes touching bridge (21), second clamping plate (22), supporter (23), the second axis pin (24) and pressure
Tight spring (26) is separately installed with a second clamping plate (22), the described second pin in the opposite both sides of the supporter (23)
Axis (24) passes through the supporter (23), and what is rotated on the second axis pin in the supporter (23) central space is equipped with two
A tactile bridge (21), the tactile bridge (21) described in two are engaged in the peripheral surface of conducting rod (4) always by holddown spring (26) respectively
On；It is additionally provided on the supporter (23) one side and the one-to-one semicircle card slot of idler wheel (15) on shift fork (1)
(25), in the idler wheel merging semicircle card slot (25).
The box body (5) is docked by upper cover body and lower cover.
It is an advantage of the invention that：
1, drive mechanism is simple, lower to requirement on machining accuracy, is easily guaranteed that product quality；
2, it separates circuit compared to traditional single even numbers and saves 2 vacuum tubes, reduce cost；
3, shift fork can effectively reduce the impact and spring of movement；
4, during the occlusion of dynamic tactile bridge and fixed contact, sufficient holddown spring power is provided and is allowed to be engaged close guarantee
Circuit it is reliable and stable, solve the excessive hidden danger of the contact resistance caused by not reaching position.
5, it is rolled and is coordinated using idler wheel and semicircle card slot between shift fork and dynamic tactile bridge, reduced abrasion, improve making for equipment
Use the service life.
Description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram for removing upper cover body in Fig. 1.
Fig. 3 is the structural schematic diagram of shift fork in Fig. 1.
Fig. 4 is the structural schematic diagram that tactile bridge is moved in Fig. 1.
Specific implementation mode
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.People in the art
Member it should be understood that without departing from the spirit and scope of the invention can to the details of technical solution of the present invention and form into
Row modifications or substitutions, but these modifications and replacement are each fallen in protection scope of the present invention.
Referring to Fig. 1 to Fig. 4, the present invention relates to a kind of transfer switch units applied to the switching of tap switch circuit, including
Shift fork 1, dynamic tactile bridge 2, fixed contact 3, conducting rod 4 and box body 5, the one end open of the box body 5 are pacified successively in the box body
Equipped with shift fork 1 and dynamic tactile bridge 2, which is mounted on close to the open end of box body, rotation in box body 5, the dynamic tactile bridge 2
Side coordinate with the described transmission of shift fork 1, being mounted in box body 5 for rotation is equipped at the middle part of the box body 5 and crosses box
The conducting rod 4 of body, installation is there are two fixed contact 3 on the box body 5 at 4 rear portion of the conducting rod, between being formed between two fixed contacts 3
Away from, and matched with the other side of the dynamic tactile bridge.
The shift fork 1 pushes away spring 17 and idler wheel including shift fork body 11, the first axis pin 12, reversal means 14, first clamping plate 15, tail
16, it is separately installed with a first clamping plate 15 in the upper and lower part of the shift fork body 11, two first clamping plates 15 are mutually parallel and set
It sets, first axis pin 12 passes through the shift fork body 11 and two first clamping plates 15, and cunning is provided on the clamping plate
Road 13, that is slided between each first clamping plate 15 and the support plate 18 of corresponding shift fork body is equipped with reversal means 14, each
The head end rotation of the reversal means 14 is equipped with idler wheel 16, and end pushes away spring 17 by tail and is connected to the shift fork body (11)
On, the slideway 13 is that the reversal means 14 is oriented to.
The dynamic tactile bridge 2 includes touching bridge 21, second clamping plate 22, supporter 23, the second axis pin 24 and holddown spring 26,
The opposite both sides of the supporter 23 are separately installed with a second clamping plate 22, and second axis pin 24 passes through the support
Body 23, there are two touch bridge 21, the tactile bridge described in two for the installation rotated on the second axis pin in 23 central space of the supporter
21 are engaged on the peripheral surface of conducting rod 4 always by holddown spring 26 respectively；It is additionally provided on 23 one side of the supporter
With the one-to-one semicircle card slot 25 of idler wheel 15 on shift fork 1, the idler wheel is placed in the semicircle card slot 25.
The box body 5 is docked by upper cover body and lower cover.
Working principle of the present invention is as follows：The middle part of the tactile bridge 2 is contacted with conducting rod 4 always, and the conducting rod is another
End it is permanently on circuit common, the other end according to mechanical sequential under the drive of shift fork 1 respectively with load ratio bridging switch
Two fixed contacts 3 of single even numbers circuit, which are closed, to be separated.Separating circuit compared to traditional single even numbers needs 4 vacuum tubes as Dan Shuan
The circuit of number switching, 2 vacuum tubes are saved by the circuit conversion of this device.
Claims (4)
1. a kind of transfer switch unit applied to the switching of tap switch circuit, which is characterized in that including shift fork (1), dynamic tactile bridge
(2), fixed contact (3), conducting rod (4) and box body (5), the one end open of the box body (5), are installed successively in the box body
There are shift fork (1) and dynamic tactile bridge (2), the shift fork (1) to be mounted in box body close to the open end of box body, rotation, described is dynamic tactile
The side of bridge (2) coordinates with shift fork (1) transmission, and rotation is mounted in box body (5), the middle part in the box body (5)
The conducting rod (4) for crossing box body is installed, the fixed contact (3) there are two installations on the box body (5) at the conducting rod (4) rear portion,
Spacing is formed between two fixed contacts (3), and is matched with the other side of the dynamic tactile bridge.
2. a kind of transfer switch unit applied to the switching of tap switch circuit according to claim 1, which is characterized in that
The shift fork (1) includes that shift fork body (11), the first axis pin (12), reversal means (14), first clamping plate (15), tail push away spring (17) and rolling
It takes turns (16), is separately installed with a first clamping plate in the upper and lower part of the shift fork body (11), two first clamping plates (15) are mutual
It is arranged in parallel, first axis pin (12) passes through the shift fork body (11) and two first clamping plates (15), in the folder
Slideway (13) is provided on plate, being equipped with for being slided between each first clamping plate and the support plate of corresponding shift fork body is dialled
Refer to (14), the head end rotation of each reversal means (14) is equipped with idler wheel (16), and end pushes away spring (17) by tail and is connected to
On the shift fork body (11), the slideway (13) is that the reversal means (14) is oriented to.
3. a kind of transfer switch unit applied to the switching of tap switch circuit according to claim 2, which is characterized in that
The dynamic tactile bridge (2) includes touching bridge (21), second clamping plate (22), supporter (23), the second axis pin (24) and holddown spring
(26), a second clamping plate (22), second axis pin (24) are separately installed in the opposite both sides of the supporter (23)
Across the supporter (23), there are two touch bridge for the installation rotated on the second axis pin in the supporter (23) central space
(21), the tactile bridge (21) described in two is engaged in by holddown spring (26) on the peripheral surface of conducting rod (4) always respectively；Institute
The one-to-one semicircle card slot (25) of idler wheel (15) being additionally provided on supporter (23) one side on shift fork (1) is stated, it is described
The idler wheel merging semicircle card slot (25) in.
4. a kind of transfer switch unit applied to the switching of tap switch circuit according to claim 2 or 3, feature exist
In the box body (5) is docked by upper cover body and lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687595.0A CN108807031B (en) | 2018-06-28 | 2018-06-28 | Change-over switch device applied to switching of tapping switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687595.0A CN108807031B (en) | 2018-06-28 | 2018-06-28 | Change-over switch device applied to switching of tapping switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108807031A true CN108807031A (en) | 2018-11-13 |
| CN108807031B CN108807031B (en) | 2024-05-14 |
Family
ID=64071068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810687595.0A Active CN108807031B (en) | 2018-06-28 | 2018-06-28 | Change-over switch device applied to switching of tapping switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108807031B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540643A (en) * | 2020-06-05 | 2020-08-14 | 扬州市光泽环境工程有限公司 | Position switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002110436A (en) * | 2000-09-29 | 2002-04-12 | Daihen Corp | Change-over switch for on-load tap changer |
| US20080128257A1 (en) * | 2005-10-08 | 2008-06-05 | Gunter Kloth | Mechanical Switching Contact |
| CN102054600A (en) * | 2009-11-06 | 2011-05-11 | 贵州长征电力设备有限公司 | High-low shifting column change-over switch |
| CN103400721A (en) * | 2013-08-09 | 2013-11-20 | 贵州长征电力设备有限公司 | Split-spoon change-over switch in on-load tap-changer |
| CN203895278U (en) * | 2014-06-24 | 2014-10-22 | 昌辉汽车电器（黄山）股份公司 | Vehicle wiper switch structure |
| CN208336021U (en) * | 2018-06-28 | 2019-01-04 | 山东泰开电力设备有限公司 | A kind of transfer switch unit applied to the switching of tap switch circuit |
-
2018
- 2018-06-28 CN CN201810687595.0A patent/CN108807031B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002110436A (en) * | 2000-09-29 | 2002-04-12 | Daihen Corp | Change-over switch for on-load tap changer |
| US20080128257A1 (en) * | 2005-10-08 | 2008-06-05 | Gunter Kloth | Mechanical Switching Contact |
| CN102054600A (en) * | 2009-11-06 | 2011-05-11 | 贵州长征电力设备有限公司 | High-low shifting column change-over switch |
| CN103400721A (en) * | 2013-08-09 | 2013-11-20 | 贵州长征电力设备有限公司 | Split-spoon change-over switch in on-load tap-changer |
| CN203895278U (en) * | 2014-06-24 | 2014-10-22 | 昌辉汽车电器（黄山）股份公司 | Vehicle wiper switch structure |
| CN208336021U (en) * | 2018-06-28 | 2019-01-04 | 山东泰开电力设备有限公司 | A kind of transfer switch unit applied to the switching of tap switch circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540643A (en) * | 2020-06-05 | 2020-08-14 | 扬州市光泽环境工程有限公司 | Position switch |
| CN111540643B (en) * | 2020-06-05 | 2024-05-31 | 扬州市光泽环境工程有限公司 | Position switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108807031B (en) | 2024-05-14 |
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