CN105551844A - Connection rod actuating mechanism of dual-power supply automatic transfer switch - Google Patents

Connection rod actuating mechanism of dual-power supply automatic transfer switch Download PDF

Info

Publication number
CN105551844A
CN105551844A CN201610079572.2A CN201610079572A CN105551844A CN 105551844 A CN105551844 A CN 105551844A CN 201610079572 A CN201610079572 A CN 201610079572A CN 105551844 A CN105551844 A CN 105551844A
Authority
CN
China
Prior art keywords
power supply
action
connecting rod
transfer switch
automatic transfer
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.)
Granted
Application number
CN201610079572.2A
Other languages
Chinese (zh)
Other versions
CN105551844B (en
Inventor
冷岩
王晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Mingri Electrical Equipment Co Ltd
Original Assignee
Beijing Mingri Electrical Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Mingri Electrical Equipment Co Ltd filed Critical Beijing Mingri Electrical Equipment Co Ltd
Priority to CN201610079572.2A priority Critical patent/CN105551844B/en
Publication of CN105551844A publication Critical patent/CN105551844A/en
Application granted granted Critical
Publication of CN105551844B publication Critical patent/CN105551844B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/26Interlocking, locking, or latching mechanisms for interlocking two or more switches

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Railway Tracks (AREA)

Abstract

A connection rod actuating mechanism of a dual-power supply automatic transfer switch is suitably used for action switching between a normally-opened power supply contact system and an emergency power supply contact system, arranged in a back-to-back way, of the dual-power supply automatic transfer switch, and comprises an installation bottom plate, a composite connection rod, an action sliding rod, a left transmission rod, a right transmission rod, a left rotation shaft installation plate and a right rotation shaft installation plate, the left rotation shaft installation plate and the right rotation shaft installation plate are hinged with the left transmission rod and the right transmission rod, the action sliding rod is arranged in an A shape, action sliding grooves are arranged at the middle and on the two sides of the action sliding rod, an upper pulley of the composite connection rod is sleeved with an intermediate sliding groove of the action sliding rod, one end of each of the left transmission rod and the right transmission rod is hinged with the sliding grooves on the two sides of the action sliding rod, and action rotation shafts of a normally-used power supply and an emergency power supply are respectively arranged on the left rotation shaft installation plate and the right rotation shaft installation plate. After an electromagnet is actuated by the dual-power supply automatic transfer switch to be energized or unenergized, the actuating mechanism is driven by the movement of a movable iron core to make the action rotation shafts of the normally-used power supply and the emergency power supply directionally rotate, and the power supply conversion of a load power supply is completed. The mechanism is simple in structure and stable and reliable in working.

Description

A kind of connecting rod actuating mechanism of double power supply automatic transfer switch
Technical field
The present invention relates to a kind of low-voltage electrical apparatus, relate to a kind of connecting rod actuating mechanism of double power supply automatic transfer switch specifically.
Background technology
Double power supply automatic transfer switch is a kind of conventional low-voltage electrical apparatus, is usually used in the conversion between two road power supplys, and during to ensure when a road power failure or to stop power supply, another road power supply can switch rapidly, to guarantee load circuit normal power supply.Chinese patent literature CN102891528A discloses a kind of double power supply automatic transfer switch, actuating mechanism due to this change over switch is only suitable for conventional power contact head system and stand-by power supply contact system is arranged in opposite directions, is not suitable for the situation that conventional power contact head system and stand-by power supply contact system are arranged dorsad.
Summary of the invention
The object of the invention is to the drawback overcoming prior art, disclose a kind of connecting rod actuating mechanism being applicable to the double power supply automatic transfer switch that conventional power contact head system and stand-by power supply contact system are arranged dorsad on double power supply automatic transfer switch mounting base.
In order to realize above object, the technical solution adopted in the present invention is:
A kind of connecting rod actuating mechanism of double power supply automatic transfer switch, comprise mounting base, be arranged on the composite rod in mounting base front, action slide bar, right drive link, right spindle mounting panel, right tension spring and Left Drive bar, left rotary shaft mounting panel, left tension spring.
Further setting, described action slide bar is set to a font, and middle and two sides are provided with chute, and described composite rod is provided with top sheave, described top sheave is set in the chute in the middle of action slide bar, and described right drive link and Left Drive bar are set in the chute of action slide bar two side respectively.
Further setting, described composite rod is provided with outside connecting rod and inside connecting rod, top sheave is provided with between described outside connecting rod and inside connecting rod, an action axle is vertically fixed with in the lower end of described outside connecting rod, described action axle goes directly through outside connecting rod and inside connecting rod the back side of mounting base, lower sheave is arranged with between described outside connecting rod and inside connecting rod, described action axle is through the action lever being vertically hinged with double power supply automatic transfer switch after mounting base at the back side of mounting base, the action being hinged with double power supply automatic transfer switch electromagnet at the force end of described action lever is unshakable in one's determination.
Further setting, the middle and lower part of described mounting base is provided with the lower gathering sill of Y-shaped, right gathering sill and left gathering sill, described composite rod is set in lower gathering sill by lower sheave, and the top sheave of described composite rod rolls as required in right gathering sill or left gathering sill.
Further setting, described right drive link and Left Drive bar structure just the same, be set to 7 fonts, top two end of drive link is provided with two circular holes, a described circular hole is articulated with by rotating shaft in the installing hole of rotating shaft mounting panel lower end, another circular hole described taken turns by rotating shaft be set in action slide bar left chute or right rail in.
Further setting, described right spindle mounting panel and the structure of left rotary shaft mounting panel just the same, the lower end of rotating shaft mounting panel is provided with circular hole, the upper end of rotating shaft mounting panel is provided with installation square hole, described circular hole by rotating shaft and drive link hinged, described installation square hole is provided with the action rotating shaft that double power supply automatic transfer switch commonly uses power supply or stand-by power supply.
Further setting, described right tension spring and Zola's power spring structure just the same, described tension spring upper end is hung in the rotating shaft of drive link, and lower end is hung on spring fitting pin, and the effect of described tension spring is to provide pulling force to make drive link be in stable operating state.
The beneficial effect that the connecting rod actuating mechanism of the double power supply automatic transfer switch of above structure has is:
Owing to being provided with action slide bar in the front of double power supply automatic transfer switch mounting base, described mounting base is provided with gathering sill, described action link rod and gathering sill are under the effect of composite rod, the switching signal of double power supply automatic transfer switch electromagnet is delivered in the connecting rod actuating mechanism that action slide bar two breaks away in groove by the action axle of composite rod bottom, thus the action rotating shaft promoting conventional power supply and stand-by power supply is rotated from different directions and completes the conventional power supply of double power supply automatic transfer switch, stand-by power supply is all in off-state or conventional power supply is in closed, stand-by power supply is in disconnection, or conventional power supply is in disconnection, stand-by power supply is in three kinds of closed working conditions, the connecting rod actuating mechanism of described double power supply automatic transfer switch is suitable for double power supply automatic transfer switch and commonly uses the working condition that power contact head system and stand-by power supply contact system arrange dorsad, described actuating mechanism structure is simple, working stability is reliable.
Accompanying drawing explanation
Fig. 1 is the connecting rod actuating mechanism mounting base structure figure of double power supply automatic transfer switch of the present invention;
Fig. 2 is Fig. 1 mounting base Facad structure figure;
Fig. 3 is Fig. 2 mounting base front view;
Fig. 4 is the front view of Fig. 2 stand-by power supply closure state;
Fig. 5 is the front view that Fig. 2 commonly uses when power supply and stand-by power supply are all in disconnection;
Fig. 6 is the front view that Fig. 2 commonly uses that power supply is in closure state;
Fig. 7 is Fig. 2 action slide bar three-dimensional structure diagram;
Fig. 8 is Fig. 2 composite rod three-dimensional structure diagram;
Fig. 9 is the right drive link three-dimensional structure diagram of Fig. 2;
Figure 10 is Fig. 2 Left Drive bar three-dimensional structure diagram;
Figure 11 is Fig. 2 right spindle mounting panel three-dimensional structure diagram;
Figure 12 is Fig. 2 left rotary shaft mounting panel three-dimensional structure diagram.
Embodiment
Composition graphs 1 ~ Figure 12, by specific embodiment, the invention will be further described.
It should be noted that, orientation or the position relationship of the instruction such as described term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " conventional power supply ", " stand-by power supply " only for the description of relative drawing position, and can not be interpreted as the inherent feature title indicating or imply this position in actual use.
A kind of connecting rod actuating mechanism of double power supply automatic transfer switch, as shown in Figure 2, comprise mounting base 1, be arranged on the composite rod 2 in mounting base 1 front, action slide bar 5, right drive link 4, Left Drive bar 10, right spindle mounting panel 6, left rotary shaft mounting panel 8, right tension spring 3 and left tension spring 11.
Further setting, as Fig. 1, shown in Fig. 8, described composite rod 2 is provided with outside connecting rod 205 and inside connecting rod 202, an action axle 203 is vertically fixed with in the lower end of described outside connecting rod 205, described action axle 203 goes directly through outside connecting rod 205 and inside connecting rod 202 back side of mounting base 1, lower sheave 204 is arranged with between described outside connecting rod 205 and inside connecting rod 202, described action axle 203 is through the action lever 12 being vertically hinged with double power supply automatic transfer switch after mounting base 1 at the back side of mounting base 1, the action iron core 13 of double power supply automatic transfer switch electromagnet 14 is hinged with at the force end 1201 of described action lever 12.
Further setting, as shown in Fig. 2, Fig. 7, described action slide bar 5 is set to a font, centre is provided with chute 501, two sides are provided with right rail 502 and left chute 503, the top sheave 201 of described composite rod 2 is set in chute 501, and the left end of described right drive link 4 is set in the right rail 502 of action slide bar 5 by rotating shaft wheel 16, and the right-hand member rotating shaft wheel 18 of described Left Drive bar 10 is set in the left chute 503 of action slide bar 5.
Further setting, as shown in Figure 2 and Figure 3, the middle and lower part of described mounting base 1 is provided with the gathering sill of Y-shaped, lower gathering sill is 101, right gathering sill is 102, left gathering sill is 103, and the lower sheave 204 of described composite rod 2 is set in lower gathering sill 101, and the top sheave 201 of described composite rod 2 rolls as required in right gathering sill 102 or left gathering sill 103.
Further setting, as shown in Fig. 2, Fig. 9, Figure 10, described right drive link 4 and Left Drive bar 10 structure just the same, be set to 7 fonts, top two end of right drive link 4 is provided with two circular holes 401,402, described circular hole 402 is articulated with in the installing hole 602 of right spindle mounting panel 6 lower end by rotating shaft 15, and described circular hole 401 is set in the right rail 502 of action slide bar 5 by rotating shaft wheel 16; Top two end of described Left Drive bar 10 is provided with two circular holes 101,102, described circular hole 102 is articulated with in the installing hole 802 of left rotary shaft mounting panel 8 lower end by rotating shaft 19, and described circular hole 101 is set in the left chute 503 of action slide bar 5 by rotating shaft wheel 18.
Further setting, as Fig. 2, Figure 11, shown in Figure 12, described right spindle mounting panel 6 and left rotary shaft mounting panel 8 structure just the same, right spindle mounting panel 6 lower end is provided with circular hole 602, upper end is provided with installs square hole 601, described circular hole 602 is hinged by rotating shaft 15 and right drive link 4, upper end square hole 601 is provided with the action rotating shaft 7 that double power supply automatic transfer switch commonly uses power supply, described left rotary shaft mounting panel 8 lower end is provided with circular hole 802, upper end is provided with installs square hole 801, described circular hole 802 is hinged by rotating shaft 19 and Left Drive bar 10, upper end square hole 801 is provided with the action rotating shaft 9 of double power supply automatic transfer switch stand-by power supply.
Further setting, as shown in Figure 2, described right tension spring 3 upper end is hung in rotating shaft 15, lower end is hung on spring fitting pin 17, the pulling force that described tension spring 3 produces makes right drive link 4 be in stable operating state, and described left tension spring 11 upper end is hung in rotating shaft 19, and lower end is hung on spring fitting pin 20, the pulling force that described tension spring 11 produces makes Left Drive bar 10 be in stable operating state.
Its working procedure of connecting rod actuating mechanism of double power supply automatic transfer switch of the present invention is as follows:
When the electromagnet 14 of double power supply automatic transfer switch is in power failure state, the action iron core 13 of described electromagnet is failure to actuate, now the conventional power supply of double power supply automatic transfer switch and stand-by power supply are all in off-state, its actuating mechanism as shown in Figure 5, after double power supply automatic transfer switch obtains switching signal, its electromagnet 14 obtains electric, as shown in Figure 6, action iron core 13 executes action axle 203 that pulling force makes action lever 12 emphasis end hinged in the force end 1201 of action lever 12 lower sheave 204 upward sliding in the action chute 101 of mounting base bottom by composite rod, now the top sheave 201 of described composite rod enters in the gathering sill 102 of right side, the rotating shaft wheel 16 be in action slide bar 5 right rail 502 forces in right drive link 4, right spindle mounting panel 6 is forced in again by rotating shaft 15, thus the conventional power supply action axle 7 promoting right spindle mounting panel 6 upper end counterclockwise rotates and makes the switch on of moving contact on conventional power supply action axle 7 and complete double power supply automatic transfer switch by commonly using power supply to the power supply of load and change, when double power supply automatic transfer switch needs to be powered by stand-by power supply, described electromagnet obtains electric, as shown in Figure 4, by above-mentioned same switching motion program, completes double power supply automatic transfer switch and is changed the power supply of load by stand-by power supply.
It should be noted that: above-described embodiment is only for example of the present invention is clearly described; and the restriction not to execution mode; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here exhaustive without the need to also giving all execution modes, and thus the apparent change of extending out or variation be still among protection scope of the present invention.

Claims (6)

1. the connecting rod actuating mechanism of a double power supply automatic transfer switch, comprise mounting base (1), be arranged on the composite rod (2) in mounting base (1) front, action slide bar (5), right drive link (4), Left Drive bar (10), right spindle mounting panel (6), left rotary shaft mounting panel (8), right tension spring (3) and left tension spring (11), it is characterized in that: described action slide bar (5) is set to a font, centre is provided with chute (501), two sides are provided with right rail (502) and left chute (503), described composite rod (2) is provided with top sheave (201), described top sheave (201) is set in chute (501), the left end of described right drive link (4) is set in the right rail (502) of action slide bar (5), the right-hand member of described Left Drive bar (10) is set in the left chute (503) of action slide bar.
2. the connecting rod actuating mechanism of double power supply automatic transfer switch according to claim 1, it is characterized in that: described composite rod (2) is provided with outside connecting rod (205) and inside connecting rod (202), top sheave (201) is provided with between described outside connecting rod (205) and inside connecting rod (202), an action axle (203) is vertically fixed with in the lower end of described outside connecting rod (205), described action axle (203) is through the back side of the through mounting base (1) of outside connecting rod (205) and inside connecting rod (202), lower sheave (204) is arranged with between described outside connecting rod (205) and inside connecting rod (202), described action axle (203) is through the action lever (12) being vertically hinged with double power supply automatic transfer switch after mounting base (1) at the back side of mounting base (1), the action iron core (13) of double power supply automatic transfer switch electromagnet (14) is hinged with at the force end (1201) of described action lever (12).
3. the connecting rod actuating mechanism of double power supply automatic transfer switch according to claim 1, it is characterized in that: the middle and lower part of described mounting base (1) is provided with the gathering sill of Y-shaped, lower gathering sill is (101), right gathering sill is (102), left gathering sill is (103), the lower sheave (204) of described composite rod (2) is set in lower gathering sill (101), and (201 roll the top sheave of described composite rod (2) as required in right gathering sill (102) or left gathering sill (103).
4. the connecting rod actuating mechanism of double power supply automatic transfer switch according to claim 1, it is characterized in that: described right drive link (4) and Left Drive bar (10) structure just the same, be set to 7 fonts, top two end of right drive link (4) is provided with two circular holes (401), (402), described circular hole (402) is articulated with in the installing hole (602) of right spindle mounting panel (6) lower end by rotating shaft (15), described circular hole (401) is set in the right rail (502) of action slide bar (5) by rotating shaft wheel (16), top two end of described Left Drive bar (10) is provided with two circular holes (101), (102), described circular hole (102) is articulated with in the installing hole (802) of left rotary shaft mounting panel (8) lower end by rotating shaft (19), and described circular hole (101) is set in the left chute (503) of action slide bar (5) by rotating shaft wheel (18).
5. the connecting rod actuating mechanism of double power supply automatic transfer switch according to claim 1, it is characterized in that: described right spindle mounting panel (6) and left rotary shaft mounting panel (8) structure just the same, right spindle mounting panel (6) lower end is provided with circular hole (602), upper end is provided with installs square hole (601), described circular hole (602) is hinged by rotating shaft (15) and right drive link (4), upper end square hole (601) is provided with the action rotating shaft (7) that double power supply automatic transfer switch commonly uses power supply, described left rotary shaft mounting panel (8) lower end is provided with circular hole (802), upper end is provided with installs square hole (801), described circular hole (802) is hinged by rotating shaft (19) and Left Drive bar (10), upper end square hole (801) is provided with the action rotating shaft (9) of double power supply automatic transfer switch stand-by power supply.
6. the connecting rod actuating mechanism of double power supply automatic transfer switch according to claim 1, it is characterized in that: described right tension spring (3) upper end is hung in rotating shaft (15), lower end is hung on spring fitting pin (17), described left tension spring (11) upper end is hung in rotating shaft (19), and lower end is hung on spring fitting pin (20).
CN201610079572.2A 2016-02-04 2016-02-04 A kind of connecting rod actuating mechanism of double power supply automatic transfer switch Active CN105551844B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610079572.2A CN105551844B (en) 2016-02-04 2016-02-04 A kind of connecting rod actuating mechanism of double power supply automatic transfer switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610079572.2A CN105551844B (en) 2016-02-04 2016-02-04 A kind of connecting rod actuating mechanism of double power supply automatic transfer switch

Publications (2)

Publication Number Publication Date
CN105551844A true CN105551844A (en) 2016-05-04
CN105551844B CN105551844B (en) 2019-01-11

Family

ID=55830968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610079572.2A Active CN105551844B (en) 2016-02-04 2016-02-04 A kind of connecting rod actuating mechanism of double power supply automatic transfer switch

Country Status (1)

Country Link
CN (1) CN105551844B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106206120A (en) * 2016-09-07 2016-12-07 上海电科电器科技有限公司 The interlock of transfer switching equipment
WO2018045895A1 (en) * 2016-09-07 2018-03-15 上海电科电器科技有限公司 Interlocked changeover switch electrical appliance and interlock thereof
CN108878186A (en) * 2018-08-27 2018-11-23 北京明日电器设备有限责任公司 A kind of large opening double power supply automatic transfer switch

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273508B1 (en) * 1998-06-29 2000-12-15 정영수 Power transfer switch
US6998549B1 (en) * 2005-03-11 2006-02-14 Eaton Corporation Interlock assembly and safety switch employing the same
KR20070032213A (en) * 2005-09-16 2007-03-21 주식회사 여기로테크 Electrical power transfering apparatus
CN101350260A (en) * 2008-09-03 2009-01-21 深圳市泰永科技股份有限公司 Automatic transfer switch electric appliance for AC/DC mixing device
CN101441945A (en) * 2007-11-23 2009-05-27 浙江德力西电器股份有限公司 Self-locking apparatus for automatic transfer switch
US20110100787A1 (en) * 2009-10-29 2011-05-05 Czarnecki Neil A Sequenced Separately-Derived Transfer Switch Capable Of Switching A Load Between A Pair Of Power Supplies Without Introducing Open Neutral Switching Transients
CN202564079U (en) * 2012-05-04 2012-11-28 乐清市朗明电气有限公司 Operation mechanism of duplicate power supply conversion switch
CN103824714A (en) * 2014-02-19 2014-05-28 浙江现代电气有限公司 Dual-power switch operation mechanism
CN205582757U (en) * 2016-02-04 2016-09-14 北京明日电器设备有限责任公司 Two power automatic transfer switch's connecting rod action mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273508B1 (en) * 1998-06-29 2000-12-15 정영수 Power transfer switch
US6998549B1 (en) * 2005-03-11 2006-02-14 Eaton Corporation Interlock assembly and safety switch employing the same
KR20070032213A (en) * 2005-09-16 2007-03-21 주식회사 여기로테크 Electrical power transfering apparatus
CN101441945A (en) * 2007-11-23 2009-05-27 浙江德力西电器股份有限公司 Self-locking apparatus for automatic transfer switch
CN101350260A (en) * 2008-09-03 2009-01-21 深圳市泰永科技股份有限公司 Automatic transfer switch electric appliance for AC/DC mixing device
US20110100787A1 (en) * 2009-10-29 2011-05-05 Czarnecki Neil A Sequenced Separately-Derived Transfer Switch Capable Of Switching A Load Between A Pair Of Power Supplies Without Introducing Open Neutral Switching Transients
CN202564079U (en) * 2012-05-04 2012-11-28 乐清市朗明电气有限公司 Operation mechanism of duplicate power supply conversion switch
CN103824714A (en) * 2014-02-19 2014-05-28 浙江现代电气有限公司 Dual-power switch operation mechanism
CN205582757U (en) * 2016-02-04 2016-09-14 北京明日电器设备有限责任公司 Two power automatic transfer switch's connecting rod action mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106206120A (en) * 2016-09-07 2016-12-07 上海电科电器科技有限公司 The interlock of transfer switching equipment
WO2018045895A1 (en) * 2016-09-07 2018-03-15 上海电科电器科技有限公司 Interlocked changeover switch electrical appliance and interlock thereof
CN108878186A (en) * 2018-08-27 2018-11-23 北京明日电器设备有限责任公司 A kind of large opening double power supply automatic transfer switch

Also Published As

Publication number Publication date
CN105551844B (en) 2019-01-11

Similar Documents

Publication Publication Date Title
CN205487792U (en) Change -over switch
CN105185668B (en) Miniature circuit breaker control structure and miniature circuit breaker control device comprising the structure
CN205582757U (en) Two power automatic transfer switch's connecting rod action mechanism
CN105551844A (en) Connection rod actuating mechanism of dual-power supply automatic transfer switch
CN101127278A (en) Automatic conversion switch electrical appliance
EP3553805B1 (en) Dual power automatic transfer switch mechanism
WO2014032584A1 (en) Interlocking apparatus of transfer switch
CN214848453U (en) Operating mechanism of switch
CN204905074U (en) Two power automatic transfer switch of single -pole double throw
CN205753136U (en) A kind of chassis interlocking gear and chopper
CN208352154U (en) A kind of PC grades of double power supply automatic transfer switch
CN215220627U (en) Locking system of switch operating mechanism
CN107833769B (en) Interlocking mechanism and interlock
CN207611687U (en) A kind of operating mechanism of automatic change-over
CN206774442U (en) A kind of tri-station isolating switch and its travel switch
CN103325629B (en) The resetting-mechanism of dual-interruption point breaker
CN205984675U (en) Ground connection sword hand movement (HM) divide -shut brake operating mechanism and use circuit breaker of this operating mechanism
CN101093753A (en) Interlocking mechanism of automatic changeover switch
CN108964258B (en) Power supply selecting device of bypass automatic transfer switch
CN208157277U (en) A kind of manually handle three position mechanism used for high-voltage switch
CN202111014U (en) Breaker auxiliary switch
CN105428116A (en) Dual-power source switching mechanism and automatic change-over switch
EP3388304A1 (en) Contact system
CN208970374U (en) The breaker of external disconnecting switch
CN208538726U (en) A kind of switch interlock device and switching system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant