CN105428109A - Two-position change-over switch - Google Patents
Two-position change-over switch Download PDFInfo
- Publication number
- CN105428109A CN105428109A CN201511030251.5A CN201511030251A CN105428109A CN 105428109 A CN105428109 A CN 105428109A CN 201511030251 A CN201511030251 A CN 201511030251A CN 105428109 A CN105428109 A CN 105428109A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hole
- pin
- power supply
- link
- 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.)
- Pending
Links
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
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a two-position change-over switch which comprises the components of a main shaft, a power supply I control component, a power supply II control component, a clamping board, a connecting component, a cam and a handle operating rod. The cam is connected with the main shaft. Two sides of the cam are respectively connected with the lower connecting rods of the power supply I control component and the power supply II control component. The clamping board is arranged outside and is provided with a hole at the central part for penetration by the main shaft. The clamping board is also provided with an upper connecting rod spacing shaft and a handle operating rod fixing shaft. The handle operating rod is sleeve-shaped and extends out of the through hole on the connecting component. The power supply I control component and the power supply II control component are symmetrically arranged at two sides of the connecting component, and respectively comprise an electromagnet, a closing lever, an energy storage spring, an upper connecting rod and a lower connecting rod, wherein the upper connecting rod is connected with the lower connecting rod through pin connection. The upper connecting rod is connected with the closing lever through pin connection. One end of the energy storage spring is connected with the closing lever through pin connection, and the other end is connected with a pin which is used for connecting with the two connecting rods through pin connection. The moving core of the electromagnet is connected with the closing lever through pin connection. The two-position change-over switch can realize instantaneous switching-off and switching-on and requires no manual operation, thereby effectively restraining arc combustion and improving use safety of the switch.
Description
Technical field
The invention belongs to power switch field of structural design, particularly relate to a kind of two positions change over switch.
Background technology
Market is generally two positions operation with the operating mechanism of transfer switch of solenoid actuated, and namely power supply I combined floodgate or power supply II close a floodgate, and mostly are relevant dependent manual operation when manual operation Power convert.Namely switch can affect the speed of opening velocity because of the size of manpower when manual operation divide-shut brake.When manual operation speed is slower, the speed of contact closure/open can be slack-off, and the arcing time of electric arc is extended, and not only can further increase potential safety hazard to operator by major injury contact.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of two positions change over switch, complete instantaneously under power supply I independent power source II conjunction or power supply II independent power source I can be made to be combined in irrelevant dependent manual operation state, effectively suppressing arc burning, improve the fail safe of product.
For this reason, technical program of the present invention lies in:
A kind of two positions change over switch, comprises main shaft, power supply I control assembly, power supply II control assembly, cheek, link, cam and trigger rod;
Described main shaft is square shaft;
Described cheek correspondence is arranged at the both sides of described power supply I, II control assembly, is provided with the spindle hole passed for main shaft in the middle part of it; Be respectively equipped with connecting rod limit shaft on two in the upside on spindle hole both sides, close on along place middle part be provided with trigger rod fixed axis;
Described link is made up of the one block of top board side plate being fixed on described top board both sides vertical with two pieces, and side plate length is greater than the width of top board, is provided with through hole in the middle part of top board, and side plate two ends are provided with pin hole;
Described trigger rod is sleeve-shaped, links on described trigger rod fixed axis, and leans out in the through hole described link top board;
Described cam center is provided with the square hole matched with described main shaft, is enclosed within described main shaft; Bilateral symmetry is provided with bearing pin I;
Described power supply I, II control assembly structure is identical is symmetricly set in described link both sides, comprises electromagnet, combined floodgate lever, energy-stored spring, upper connecting rod and lower link respectively; Two blocks of round rectangle plates that described upper and lower connecting rod is connected by transverse slat by centre are formed; The upside of described upper connecting rod is provided with groove, and downside is provided with pin shaft hole; The upside of described lower link is provided with strip hole, and downside is provided with circular pegs axis hole I; Described groove is stuck on described upper connecting rod limit shaft; Bearing pin is connected upper and lower connecting rod through the pin shaft hole of upper connecting rod with the strip hole on lower link; Bearing pin I on described cam, through the circular pegs axis hole I on lower link, connects cam and lower link; The both sides of described combined floodgate lever are fanning strip, and the arc-shaped side of two pieces of fanning strips connects with arc; Fanning strip is respectively equipped with pin hole near two angles of arc side; Pin through the pin hole on this pin hole and link side plate, connects described combined floodgate lever and link simultaneously; Laterally spring fixed pin holes is provided with on the downside of arc;
One end of described energy-stored spring was fixed by spring steady pin and coordinating of spring fixed pin holes, the other end be fixed on connect upper and lower connecting rod bearing pin on; The dynamic iron core of described electromagnet by link and pinned connection on described combined floodgate lever; Be formed with projection outside described upper connecting rod, when the angle of upper and lower connecting rod is between 180 ~ 185 °, projection correspondence position on cheek madial wall is provided with spacing preiection.
Preferably, the outside of described cheek is provided with cylindrical bump I, and the drift angle place of corresponding described combined floodgate lever is provided with groove I; Groove I is stuck on protruding I, rotates around it.
Preferably, the energy-stored spring in power supply I, II control assembly is respectively two.
Preferably, described spring fixed pin holes comprises a cross-drilled hole and two vertical cores, and cross-drilled hole and vertical core are mutually vertical.
Preferably, described link is oval ring body.
Two positions change over switch provided by the invention with the cooperation of connecting rod and energy-stored spring realize power supply I independent power source II close or power supply II independent power source I is combined in manual operation time moment complete, the speed that manual operation can not affect contact closure or open, effective suppression arc burning, improves the fail safe of product.
Accompanying drawing explanation
Fig. 1 is the exploded view of two positions change over switch of the present invention;
Fig. 2 is the exploded view at Fig. 1 cam and lower link place;
State diagram when Fig. 3 a is two positions change over switch power supply I of the present invention combined floodgate;
State diagram when Fig. 3 b is two positions change over switch power supply II of the present invention combined floodgate;
Fig. 4 a is the schematic diagram after Fig. 3 a removes cheek;
Fig. 4 b is the schematic diagram that two positions change over switch of the present invention is closed a floodgate after the intermediateness removal cheek of power supply II combined floodgate conversion by power supply I;
Fig. 4 c is the schematic diagram after Fig. 3 b removes cheek;
Fig. 5 a is the main pseudosection after Fig. 4 a installs handle;
Fig. 5 b is the main pseudosection of Fig. 4 b;
Fig. 5 c is the main pseudosection of Fig. 4 c.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in detail.
As shown in Fig. 1 ~ 5c, a kind of two positions change over switch, comprises main shaft 13, power supply I control assembly, power supply II control assembly, cheek 7, link 11, cam 2 and trigger rod 12; Main shaft 13 is square shaft; Cheek 7 correspondence is arranged at the both sides of power supply I, II control assembly, is provided with the spindle hole passed for main shaft 13 in the middle part of it; Be respectively equipped with connecting rod limit shaft 1 on two in the upside on spindle hole both sides, close on along place middle part be provided with trigger rod fixed axis 16; Link 11 is made up of the one block of top board side plate being fixed on described top board both sides vertical with two pieces, and side plate length is greater than the width of top board, is provided with through hole in the middle part of top board, and side plate two ends are provided with pin hole; Trigger rod 12 is sleeve-shaped, links on described trigger rod fixed axis, and leans out in the through hole described link 11 top board; Cam 2 center is provided with the square hole matched with main shaft 13, is enclosed within main shaft 13; Bilateral symmetry is provided with bearing pin I; Power supply I, II control assembly structure is identical is symmetricly set in link 11 both sides, comprises electromagnet 6, combined floodgate lever 8, energy-stored spring 5, upper connecting rod 4 and lower link 3 respectively; Two blocks of round rectangle plates that upper and lower connecting rod 4,3 is connected by transverse slat by centre are formed; The upside of upper connecting rod 4 is provided with groove, and downside is provided with pin shaft hole; The upside of lower link 3 is provided with strip hole, and downside is provided with circular pegs axis hole I; Groove is stuck on connecting rod 4 limit shaft; Bearing pin is connected upper and lower connecting rod 4,3 through the pin shaft hole of upper connecting rod 4 with the strip hole on lower link 3; Bearing pin I on cam 2, through the circular pegs axis hole I on lower link 3, connects cam 2 and lower link 3; The both sides of combined floodgate lever 8 are fanning strip, and the arc-shaped side of two pieces of fanning strips connects with arc; Fanning strip is respectively equipped with pin hole near two angles of arc side; Pin 9, simultaneously through the pin hole on this pin hole and link 11 side plate, connects combined floodgate lever 8 and link 11; Laterally spring fixed pin holes 17 is provided with on the downside of arc; One end of energy-stored spring 5 was fixed by spring steady pin 10 and coordinating of spring fixed pin holes 17, the other end be fixed on connect upper and lower connecting rod 4,3 bearing pin on; The dynamic iron core of electromagnet 6 by link 15 and pinned connection on combined floodgate lever; The oval ring body of link 15; Be formed with projection outside upper connecting rod 4, when the angle of upper and lower connecting rod is between 180 ~ 185 °, projection correspondence position on cheek 7 madial wall is provided with spacing preiection 18.
In one embodiment of the invention, the outside of cheek 7 is provided with cylindrical bump I, and the drift angle place of corresponding combined floodgate lever 8 is provided with groove I; Groove I is stuck on protruding I, rotates around it.
In another embodiment of the invention, energy-stored spring 5 in power supply I, II control assembly is respectively two, corresponding spring fixed pin holes 17 comprises a cross-drilled hole and two vertical cores, cross-drilled hole and vertical core are mutually vertical, the length of spring steady pin 10 is slightly larger than the width of spring fixed pin holes 17, and energy-stored spring 5 is stuck on spring fixed pin holes 17 after being enclosed within spring steady pin 10.
Closing power supply II with power supply I below divides the process changed to power supply I independent power source II so that the course of work of two positions change over switch to be described, is namely converted to Fig. 3 b from Fig. 3 a.Note, power supply I is sinistral power, and power supply II is east power.Fig. 4 a ~ 4c, in 5a ~ 5c, arrow represents rotation direction.
Electric operating: sinistral power closes east power timesharing, the upper and lower connecting rod in left side is about linearly arranged, namely the spacing preiection 18 on the bearing pin I of above connecting rod limit shaft, cam 2 and cheek 7 madial wall forms a triangle for summit, is the dead point of connecting rod rigidity supporting structure; Energy-stored spring 5 is in tension; The upper and lower connecting rod bending in right side, as shown in fig. 4 a; On the left of Electronic control, (power supply I) electromagnet 6 unclamps, right side (power supply II) electromagnet 6 iron core adhesive, the combined floodgate lever 8 on right side is pulled to move downward by draw ring 15, trigger rod 12 to the right, right side energy-stored spring 5 pulls the bearing pin connecting upper and lower connecting rod 4,3 to move upward, and enters energy storage and tense situation; Meanwhile, left side energy-stored spring 5 pulls the bearing pin connecting upper and lower connecting rod 4,3 to move upward, and left side energy-stored spring 5 elastic potential energy diminishes, and maintains the upper and lower connecting rod 4,3 in left side and is still in dead point state, as shown in Figure 4 b; When the combined floodgate lever 8 of link 11 and the both sides elastic potential energy moved right to the energy-stored spring 5 on right side is greater than the elastic potential energy of left side energy-stored spring 5 and the oppositely required power of upper and lower connecting rod 4,3, the upper and lower connecting rod in left side bends instantaneously, cam 2 drives main shaft 13 to rotate, east power (power supply II) closes a floodgate instantaneously, the upper and lower connecting rod in right side is in dead point state instantaneously, namely the state that sinistral power divides east power to close is converted to, as illustrated in fig. 4 c.When changing to inverse state, switch internal structure function principle is identical.
During manual operation, handle 14 inserts trigger rod 12, as shown in Fig. 4 a, 5a, moves action bars from left to right, then forces link 11 and combined floodgate lever 8 to move right; Right side energy-stored spring 5 pulls the bearing pin connecting upper and lower connecting rod 4,3 to move upward, and enters energy storage and tense situation; Meanwhile, left side energy-stored spring 5 pulls the bearing pin connecting upper and lower connecting rod 4,3 to move upward, and left side energy-stored spring 5 elastic potential energy diminishes, and maintains the upper and lower connecting rod 4,3 in left side and is still in dead point state, as shown in Fig. 4 b, 5b; When the combined floodgate lever 8 of link 11 and the both sides elastic potential energy moved right to the energy-stored spring 5 on right side is greater than the elastic potential energy of left side energy-stored spring 5 and the oppositely required power of upper and lower connecting rod 4,3, the upper and lower connecting rod in left side bends instantaneously, cam 2 drives main shaft 13 to rotate, east power (power supply II) closes a floodgate instantaneously, as shown in Fig. 4 c, 5c, the upper and lower connecting rod in right side is in dead point state instantaneously, namely converts the state that sinistral power divides east power to close to.When changing to inverse state, switch internal structure function principle is identical.Cooperation due to left and right sides energy-stored spring, upper and lower connecting rod makes the disconnection of switch and closes all to complete in a flash, does not change, effectively suppresses arc burning, improve the fail safe of the use of switch because operating personnel apply the size of power on handle.
Claims (5)
1. a two positions change over switch, comprises main shaft (13), power supply I control assembly, power supply II control assembly, cheek (7), link (11), cam (2) and trigger rod (12); It is characterized in that:
Described main shaft (13) is square shaft;
Described cheek (7) correspondence is arranged at the both sides of described power supply I, II control assembly, is provided with the spindle hole passed for main shaft (13) in the middle part of it; Be respectively equipped with connecting rod limit shaft (1) on two in the upside on spindle hole both sides, close on along place middle part be provided with trigger rod fixed axis (16);
Described link (11) is made up of the one block of top board side plate being fixed on described top board both sides vertical with two pieces, and side plate length is greater than the width of top board, is provided with through hole in the middle part of top board, and side plate two ends are provided with pin hole;
Described trigger rod (12) is sleeve-shaped, links on described trigger rod fixed axis, and leans out in the through hole described link (11) top board;
Described cam (2) center is provided with the square hole matched with described main shaft (13), is enclosed within described main shaft (13); Bilateral symmetry is provided with bearing pin I;
Described power supply I, II control assembly structure is identical, be symmetricly set in described link (11) both sides, comprise electromagnet (6), combined floodgate lever (8), energy-stored spring (5), upper connecting rod (4) and lower link (3) respectively; Two blocks of round rectangle plates that described upper and lower connecting rod (4,3) is connected by transverse slat by centre are formed; The upside of described upper connecting rod (4) is provided with groove, and downside is provided with pin shaft hole; The upside of described lower link (3) is provided with strip hole, and downside is provided with circular pegs axis hole I; Described groove is stuck on described upper connecting rod (4) limit shaft; Bearing pin is connected upper and lower connecting rod (4,3) through the pin shaft hole of upper connecting rod (4) with the strip hole on lower link (3); Bearing pin I on described cam (2), through the circular pegs axis hole I on lower link (3), connects cam (2) and lower link (3); The both sides of described combined floodgate lever (8) are fanning strip, and the arc-shaped side of two pieces of fanning strips connects with arc; Fanning strip is respectively equipped with pin hole near two angles of arc side; Pin (9) through the pin hole on this pin hole and link (11) side plate, connects described combined floodgate lever (8) and link (11) simultaneously; Laterally spring fixed pin holes (17) is provided with on the downside of arc; One end of described energy-stored spring (5) was fixed by spring steady pin (10) and coordinating of spring fixed pin holes (17), and the other end is fixed on the bearing pin of the upper and lower connecting rod of connection (4,3); The dynamic iron core of described electromagnet (6) by link (15) and pinned connection on described combined floodgate lever; Described upper connecting rod (4) outside is formed with projection, and when the angle of upper and lower connecting rod is between 180 ~ 185 °, projection correspondence position on cheek (7) madial wall is provided with spacing preiection (18).
2. two positions change over switch as claimed in claim 1, it is characterized in that: the outside of described cheek (7) is provided with cylindrical bump I, the drift angle place of corresponding described combined floodgate lever (8) is provided with groove I; Groove I is stuck on protruding I, rotates around it.
3. two positions change over switch as claimed in claim 1, is characterized in that: the energy-stored spring (5) in power supply I, II control assembly is respectively two.
4. two positions change over switch as claimed in claim 3, is characterized in that: described spring fixed pin holes (17) comprises a cross-drilled hole and two vertical cores, and cross-drilled hole and vertical core are mutually vertical.
5. two positions change over switch as claimed in claim 1, is characterized in that: described link (15) is oval ring body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030251.5A CN105428109A (en) | 2015-12-29 | 2015-12-29 | Two-position change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030251.5A CN105428109A (en) | 2015-12-29 | 2015-12-29 | Two-position change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105428109A true CN105428109A (en) | 2016-03-23 |
Family
ID=55506247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511030251.5A Pending CN105428109A (en) | 2015-12-29 | 2015-12-29 | Two-position change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105428109A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068436A (en) * | 2017-05-09 | 2017-08-18 | 科都电气有限公司 | Dual power supply contact drive mechanism |
| CN107221478A (en) * | 2016-03-21 | 2017-09-29 | 通用电气公司 | Without latch actuator |
| CN107221477A (en) * | 2016-03-21 | 2017-09-29 | 通用电气公司 | Without breech lock breaker |
| CN107845514A (en) * | 2016-09-18 | 2018-03-27 | 施耐德电气工业公司 | Dual-power transfer switch and the mechanism for it |
| CN109216068A (en) * | 2017-07-06 | 2019-01-15 | 施耐德电器工业公司 | Automatic change-over |
| CN109411257A (en) * | 2018-12-24 | 2019-03-01 | 雷顿电气科技有限公司 | The operating mechanism of double power supply automatic transfer switch |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1848324A (en) * | 2006-03-16 | 2006-10-18 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN200947393Y (en) * | 2006-08-18 | 2007-09-12 | 宁波奇乐电器实业总公司 | Automatic change-over electric appliance |
| US20090266693A1 (en) * | 2005-08-23 | 2009-10-29 | Bernard Bizard | Switching apparatus |
| CN201741617U (en) * | 2010-08-12 | 2011-02-09 | 浙江西普电气有限公司 | Intelligent dual power change-over switch |
| CN203013555U (en) * | 2012-11-23 | 2013-06-19 | 深圳市泰永电气科技有限公司 | Drive device of opening and closing device |
| CN103474271A (en) * | 2013-09-22 | 2013-12-25 | 贵州长征开关制造有限公司 | High-speed transfer switching equipment |
| CN204332711U (en) * | 2014-12-22 | 2015-05-13 | 施耐德万高（天津）电气设备有限公司 | Automatic/hand switch transition electrical equipment |
| CN204424104U (en) * | 2014-11-20 | 2015-06-24 | 施耐德电气工业公司 | Tripper and automatic change-over |
| CN105428110A (en) * | 2015-12-29 | 2016-03-23 | 施耐德万高（天津）电气设备有限公司 | Manual operation device of change-over switch |
| CN205452068U (en) * | 2015-12-29 | 2016-08-10 | 施耐德万高（天津）电气设备有限公司 | Two position change over switch |
-
2015
- 2015-12-29 CN CN201511030251.5A patent/CN105428109A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266693A1 (en) * | 2005-08-23 | 2009-10-29 | Bernard Bizard | Switching apparatus |
| CN1848324A (en) * | 2006-03-16 | 2006-10-18 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker interlocking device |
| CN200947393Y (en) * | 2006-08-18 | 2007-09-12 | 宁波奇乐电器实业总公司 | Automatic change-over electric appliance |
| CN201741617U (en) * | 2010-08-12 | 2011-02-09 | 浙江西普电气有限公司 | Intelligent dual power change-over switch |
| CN203013555U (en) * | 2012-11-23 | 2013-06-19 | 深圳市泰永电气科技有限公司 | Drive device of opening and closing device |
| CN103474271A (en) * | 2013-09-22 | 2013-12-25 | 贵州长征开关制造有限公司 | High-speed transfer switching equipment |
| CN204424104U (en) * | 2014-11-20 | 2015-06-24 | 施耐德电气工业公司 | Tripper and automatic change-over |
| CN204332711U (en) * | 2014-12-22 | 2015-05-13 | 施耐德万高（天津）电气设备有限公司 | Automatic/hand switch transition electrical equipment |
| CN105428110A (en) * | 2015-12-29 | 2016-03-23 | 施耐德万高（天津）电气设备有限公司 | Manual operation device of change-over switch |
| CN205452068U (en) * | 2015-12-29 | 2016-08-10 | 施耐德万高（天津）电气设备有限公司 | Two position change over switch |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221478A (en) * | 2016-03-21 | 2017-09-29 | 通用电气公司 | Without latch actuator |
| CN107221477A (en) * | 2016-03-21 | 2017-09-29 | 通用电气公司 | Without breech lock breaker |
| CN107221477B (en) * | 2016-03-21 | 2020-06-19 | Abb瑞士股份有限公司 | Latch-free circuit breaker |
| CN107221478B (en) * | 2016-03-21 | 2020-10-09 | Abb瑞士股份有限公司 | Latch-free actuator |
| CN107845514A (en) * | 2016-09-18 | 2018-03-27 | 施耐德电气工业公司 | Dual-power transfer switch and the mechanism for it |
| CN107845514B (en) * | 2016-09-18 | 2020-02-28 | 施耐德电气工业公司 | Dual-power transfer switch and mechanism for same |
| CN107068436A (en) * | 2017-05-09 | 2017-08-18 | 科都电气有限公司 | Dual power supply contact drive mechanism |
| CN107068436B (en) * | 2017-05-09 | 2020-01-17 | 科都电气有限公司 | Dual-power contact driving mechanism |
| CN109216068A (en) * | 2017-07-06 | 2019-01-15 | 施耐德电器工业公司 | Automatic change-over |
| CN109216068B (en) * | 2017-07-06 | 2019-12-03 | 施耐德电器工业公司 | Automatic change-over |
| CN109411257A (en) * | 2018-12-24 | 2019-03-01 | 雷顿电气科技有限公司 | The operating mechanism of double power supply automatic transfer switch |
| CN109411257B (en) * | 2018-12-24 | 2023-12-12 | 雷顿电气科技有限公司 | Operating mechanism of dual-power automatic transfer switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105428109A (en) | Two-position change-over switch | |
| CN106783254B (en) | A kind of spring operating mechanism for high-voltage circuitbreaker | |
| CN204671831U (en) | The pole climbing device that a kind of robot uses | |
| CN205452068U (en) | Two position change over switch | |
| CN204905075U (en) | Two power automatic transfer switch's action mechanism | |
| EP2963665A1 (en) | Switching device and linkage mechanism thereof | |
| CN105428137B (en) | Gas-filling cabinet three-stations load switch operating mechanism | |
| CN206961742U (en) | A kind of device of adjustable opening velocity | |
| CN203596327U (en) | Energy storage system of breaker operation mechanism | |
| CN104134572B (en) | Permanent magnetic vacuum breaker on the post of a kind of band hand-power switching off/on device | |
| CN206451617U (en) | The energy-stored spring operating mechanism of low voltage isolation switch | |
| WO2016186358A3 (en) | Operation unit structure of power changeover switch | |
| CN202796721U (en) | High voltage vacuum circuit breaker tripping device | |
| CN201956215U (en) | Automatic dual-power changeover switch | |
| CN205069489U (en) | Be applied to high voltage circuit breaker's drive mechanism | |
| CN204991591U (en) | Take single permanent magnetism circuit breaker of manual combined floodgate function | |
| CN203760888U (en) | Emergency unlocking apparatus of handcart type high-voltage switch cabinet | |
| TWM466710U (en) | Clamping structure of game machine | |
| CN202745099U (en) | Fall point controllable type safe impact grab bucket | |
| CN205751904U (en) | A kind of sincere sub-axle for breaker spring operating mechanism | |
| CN207765366U (en) | A kind of mechanical locking structure and mechanical interlocking device of breaker | |
| CN204315442U (en) | A kind of connecting rod actuator being applied to primary cut-out | |
| CN105070585A (en) | Manual opening-closing type permanent magnetic mechanism | |
| CN206475496U (en) | Press apparatus and its squeezing cage positioner | |
| CN205828251U (en) | A kind of interlock of on-load switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |
|
| WD01 | Invention patent application deemed withdrawn after publication |