CN202872229U - Secondary plug locking interlocking apparatus of centrally-placed cabinet - Google Patents
Secondary plug locking interlocking apparatus of centrally-placed cabinet Download PDFInfo
- Publication number
- CN202872229U CN202872229U CN201220503723.XU CN201220503723U CN202872229U CN 202872229 U CN202872229 U CN 202872229U CN 201220503723 U CN201220503723 U CN 201220503723U CN 202872229 U CN202872229 U CN 202872229U
- Authority
- CN
- China
- Prior art keywords
- secondary plug
- lever
- plug
- support
- locking bar
- 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.)
- Expired - Fee Related
Links
Images
Abstract
Provided by the utility model is a secondary plug locking interlocking apparatus of a centrally-placed cabinet. The apparatus comprises a secondary plug seat, a secondary plug plugged into the secondary plug seat, and a circuit breaker connected with the secondary plug. Besides, the apparatus also includes a support, a lever shaft, a lever, a locking bar, a contact terminal, an elastic element, and a push plate. The lever shaft is erected on the support; the lever is rotated around the lever shaft; the locking bar is fixed on a driven arm of the lever; the contact terminal is arranged on a driving arm of the lever; one end of the elastic element is connected with the driven arm and the other end of the elastic element is connected with the support; and the push plate is fixed on the circuit breaker. Besides, the secondary plug is installed on the support. According to the utility model, when the circuit breaker is moved to a working position, the push plat pushes the contact terminal to make rotations upwardly around the lever shaft; according to the lever principle, the driven arm is moved downwardly to drive the locking bar to move downwardly to the position of the secondary plug and the secondary plug and the secondary plug seat are locked, thereby preventing the contact failure or the operation of wrong plugging.
Description
Technical field
The utility model relates to the electric equipment field, particularly a kind of secondary plug of middle-placed switch cabinet locking interlock.
Background technology
In the existing intermediate switchgear cabinet, it is indoor that the Quadratic Finite Element devices such as its protection measure and control device, breaker electric operation control components and parts are installed in the secondary meter that is positioned at the front top of cabinet; Components and parts such as circuit breaker, instrument transformer are installed in respectively breaker chamber and the cable vault that is arranged in switch cubicle, bottom.Secondary-plug headstock (being commonly called as the secondary fixed contact) is connected with the Quadratic Finite Element device, secondary plug (being commonly called as the secondary moving contact) is connected with circuit breaker, and secondary plug and secondary-plug headstock are to realize that the Quadratic Finite Element device is to the monitoring of components and parts, unique electric apparatus connector of operation.
Therefore; when circuit breaker during in the service position; if secondary plug and secondary plug seated connection touch bad or owing to artificial misoperation secondary plug are extracted from the secondary-plug headstock; the inefficacy of linear quadratic control is caused in the capital; if this moment, circuit was short-circuited; then circuit breaker can't realize tripping disjunction protection causes serious electric accident.
In sum, when circuit breaker during in the service position, how preventing effectively that the loose contact of secondary plug or mistake from pulling out operation, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of secondary plug locking interlock of middle-placed switch cabinet, when circuit breaker during in the service position, pulls out operation with loose contact and the mistake of effectively avoiding secondary plug.
For the utility model that achieves the above object provides following technical scheme:
A kind of secondary plug locking interlock of middle-placed switch cabinet comprises the secondary-plug headstock, is inserted in the secondary plug in the described secondary-plug headstock seat hole, the circuit breaker that is connected with the cable of described secondary plug;
The support that also comprises the middle-placed switch cabinet front top plate below that is installed in described middle-placed switch cabinet; Be erected at the lever shaft on the described support; Can be around the lever of described lever shaft rotation; Be fixed on the locking bar of the slave arm of described lever; Be arranged on the contact jaw of the master arm of described lever; One end connects the flexible member that described slave arm and the other end connect described support; Be fixed on and be used for promoting the push pedal that described lever rotates on the described circuit breaker; Described secondary-plug headstock is installed on the described support.
Preferably, in the above-mentioned secondary plug locking interlock, the roller of described contact jaw for rotating around the roller bearing that is installed in described master arm.
Preferably, in the above-mentioned secondary plug locking interlock, described circuit breaker is when test position, and the centre-height of described roller bearing is higher than the apical side height of described push pedal, and the extreme lower position of the outline of described roller is lower than the end face of described push pedal.
Preferably, in the above-mentioned secondary plug locking interlock, the plane at the main body place of described locking bar is parallel with the axis of described lever shaft.
Preferably, in the above-mentioned secondary plug locking interlock, offer the pilot hole that described locking bar is passed through on the described support.
Preferably, in the above-mentioned secondary plug locking interlock, described flexible member is extension spring, and when the service position, described extension spring is in extended state.
Preferably, in the above-mentioned secondary plug locking interlock, described slave arm is provided with the connecting hole that connects described extension spring one end, is provided with the connecting rod that connects the described extension spring other end on the described support.
Preferably, in the above-mentioned secondary plug locking interlock, offer fixing hole on the described slave arm, an end of described locking bar is inserted in the described fixing hole fixing.
Preferably, in the above-mentioned secondary plug locking interlock, described locking bar and the welding of described fixing hole.
Preferably, in the above-mentioned secondary plug locking interlock, the edge of described support is provided with the flanging for fixing described support.
With respect to prior art, the beneficial effects of the utility model are:
In the secondary plug locking interlock of the middle-placed switch cabinet that the utility model provides, when circuit breaker is pushed the service position to by test position, the push pedal that is fixed on the circuit breaker is thereupon mobile, the contact jaw of the end face extrusion lever master arm of push pedal, contact jaw is upwards rotated around lever shaft, according to lever principle, the slave arm of lever moves down, the locking bar that is fixedly connected with slave arm moves down thereupon, move to the position of secondary plug, secondary plug and secondary-plug headstock are compressed, and can't separate secondary plug and secondary-plug headstock this moment, avoided when the service position secondary plug loose contact or missed the operation of pulling out.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or scheme of the prior art, the below will do simple the introduction to the accompanying drawing of describing required use in embodiment or the prior art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 locks the interlock structural representation for the secondary plug of a kind of middle-placed switch cabinet that the utility model embodiment provides;
The locking member structural representation of the secondary plug locking interlock of a kind of middle-placed switch cabinet that Fig. 2 provides for the utility model embodiment;
The structural representation of the support that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is that B among Fig. 4 is to view;
The structural representation of the lever that Fig. 6 provides for the utility model embodiment;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the vertical view of Fig. 7.
Among above-mentioned Fig. 1-Fig. 8: middle-placed switch cabinet front top plate 01, support 02, pilot hole 021, flanging 022, connecting rod 023, supported hole 024, secondary-plug headstock 03, secondary plug 04, locking bar 05, locking bar main body 051, locking bar end 052, lever 06, master arm 061, slave arm 062, fixing hole 063, connecting hole 064, roller bearing hole 065, lever axis hole 066, lever shaft 07, contact jaw 08, spring 09, roller bearing 10, push pedal 11, circuit breaker 12, propelling trolley 13.
Embodiment
The utility model provides a kind of secondary plug locking interlock of middle-placed switch cabinet, when circuit breaker during in the service position, has effectively avoided the loose contact of secondary plug or mistake to pull out operation.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belong to the scope that the utility model is protected.
Please refer to Fig. 1-Fig. 8, Fig. 1 locks the interlock structural representation for the secondary plug of a kind of middle-placed switch cabinet that the utility model embodiment provides; The locking member structural representation of the secondary plug locking interlock of a kind of middle-placed switch cabinet that Fig. 2 provides for the utility model embodiment; The structural representation of the support that Fig. 3 provides for the utility model embodiment; Fig. 4 is the vertical view of Fig. 3; Fig. 5 is that B among Fig. 4 is to view; The structural representation of the lever that Fig. 6 provides for the utility model embodiment; Fig. 7 is the right view of Fig. 6; Fig. 8 is the vertical view of Fig. 7.
The secondary plug locking interlock of the middle-placed switch cabinet that the utility model embodiment provides, comprise the secondary plug 04 and the secondary-plug headstock 03 that couple together for components and parts and Quadratic Finite Element device, secondary plug 04 is inserted in the seat hole of two connector assemblies 03, and secondary plug 03 is connected with circuit breaker 12 by cable;
Also comprise support 02, support 02 is installed in middle-placed switch cabinet front top plate 01 below of middle-placed switch cabinet, is positioned at the top of cabinet breaker chamber; The support 02 added lever shaft 07 that is provided with; Lever 06 can rotate around lever shaft 07; Lever 06 comprises master arm 061 and slave arm 062, is fixed with locking bar 05 on the slave arm 062; Be provided with contact jaw 08 on the master arm 061; One end of flexible member 09 is connected on the slave arm 062, and the other end is connected on the support 02; Be fixed with push pedal 11 on the circuit breaker 12, be used for promoting lever 06 and rotate; Secondary-plug headstock 03 is installed on the support 02.
The operation principle of above-mentioned secondary plug locking interlock is: when circuit breaker 12 is put into intermediate switchgear cabinet, at first enter test position, can insert the secondary plug 04 on the circuit breaker 12 in the seat hole of secondary-plug headstock 03 this moment, under the effect of flexible member 09, the slave arm 062 of this moment is in the position that raises up, so that be higher than secondary plug with the height of the fixing locking bar 05 of slave arm, clockwise direction shakes the handle of the propelling trolley 13 of circuit breaker 12 afterwards, circuit breaker 12 moves to the service position from the experiment position, along with the propelling of circuit breaker 12 is moved, push pedal 11 contacts with contact jaw 08, promote contact jaw 08, force it upwards to rotate around lever shaft 07, utilize lever principle, slave arm 062 rotates around lever shaft 07, locking bar 05 is followed slave arm 062 and is rotated together, when circuit breaker 12 arrives the service position, locking bar 05 turns to the position that restriction secondary plug 04 is extracted, secondary plug 04 is pressed on the secondary-plug headstock 03, realize the locking of circuit breaker 12 secondary plug when the service position, avoid the mistake of secondary plug to pull out operation or loose contact.
Further optimize said apparatus, contact jaw 08 is set to can be around the roller of roller bearing 10 rotations that are installed in master arm 061; Such structure so that behind push pedal 11 and the roller contact, frictional force is little, more is conducive to master arm 0612 and is pushed, forces master arm 061 upwards to rotate around lever shaft 07 owing to adopted roller under the rolling guide effect of roller; In addition, can also adopt other structure as contact jaw 08, such as, contact jaw 08 lower end has the circular arc spigot surface, makes things convenient for equally the end face of push pedal 11 along the circular arc spigot surface master arm 061 to be pushed to.
As optimization, further restriction is done in the position of above-mentioned contact jaw 08, circuit breaker 12 is when test position, and the centre-height of roller bearing 10 is higher than the height of the end face of push pedal 11, and the extreme lower position of the outline of roller is lower than the end face of push pedal 11; When the end face that is arranged so that push pedal 11 like this and roller contact, stress point be subjected to force direction to point to the center of roller bearing 10 and obliquely, the component that makes progress forces roller to drive master arm 061 and upwards rotates around lever shaft 07, makes each inter-agency action more smooth and easy.
In the present embodiment, above-mentioned locking bar 05 comprises locking bar main body 051 and locking bar end 052, and locking bar 05 integral body is claw type, and the plane at locking bar main body 051 place is parallel with the axis of lever shaft 07; Adopt claw type to be buckled on the secondary plug 04, so that secondary plug 04 is more firm with being connected of secondary-plug headstock 03, and locking bar 05 rotates around lever shaft 07, the installation of secondary-plug headstock 03 is parallel to lever shaft 07 in the longitudinal direction, so adopt the plane structure parallel with the axis of lever shaft 07 at locking bar main body 051 place can make locking bar 05 move down just in time parallel being buckled on the secondary plug 04, further be optimized for the medium position that locking bar 051 moves down into secondary plug 04, be convenient to more firmly compress secondary plug 04 and secondary-plug headstock 03.
In the present embodiment, offer pilot hole 021 on the support 02, reason is that lever 06 is installed in support 02 inside, and secondary-plug headstock 03 is installed in the outside of support 02, locking bar 05 is to follow lever 06 to rotate, and finally locks secondary plug 04, and this just need to offer a passage at support 02, make locking bar 05 pass this passage and be connected with lever 06, and realize locking function; Above-mentioned pilot hole 021 further is optimized for the rectangular hole of offering along locking bar 05 moving direction, certainly, if the hole of other shape can realize that corresponding function also can adopt, such as ellipse.
Above-mentioned flexible member 09 is preferred to adopt extension spring, circuit breaker 12 when test position, extension spring in the raw, when the service position, extension spring is in extended state; It is in order to realize the auto-reset function of lever 06 that extension spring is in extended state, and when circuit breaker 12 was deactivated the position, under the pulling force effect of extension spring, lever was pulled original position, moves away secondary plug 04 on the locking bar, release, and can pull up secondary plug 04 this moment.
For fixing above-mentioned extension spring, present embodiment preferably arranges connecting hole 064 at slave arm 062, at support 02 connecting rod 023 is set, the two ends of extension spring are connected on above-mentioned connecting hole 064 and the connecting rod 023, further optimize, and above-mentioned connecting hole 064 directly is opened on the slave arm 062, it is a circular port, can also be the hole of other shape, can also be a part with holes that is fixed on the slave arm 062, so long as can realize that linkage function is all in the utility model protection range; As shown in Figure 5, above-mentioned connecting rod 023 preferred the employing directly processes a bar at support 02, can also adopt the method that is similar to above-mentioned connecting hole 064.
For locking bar 05 is fixed on the lever 06 more firmly, in the present embodiment, offer a fixing hole 063 that cooperates with the shape of cross section of locking bar 05 at slave arm 062, be inserted in the above-mentioned fixing hole 063 end of locking bar 05 fixing.
Further, locking bar 05 being welded in the fixing hole 063, certainly, can also be bonding, interference fit etc.
In the present embodiment, the edge of support 02 is provided with flanging 022, is optimized for integrative-structure, by flanging 022 support 02 is fixed on the middle-placed switch cabinet front top plate 01; Further, by screw flanging 022 is fixed on the middle-placed switch cabinet front top plate 01, for convenience detach, can also be welding, bonding, riveted joint, bolt connection etc. certainly.
For the better action of implement device, offer supported hole 024 at support 02, offer lever axis hole 066 at lever 06, be used for support lever axle 07, be convenient to processing, install and dismounting; And offer roller bearing hole 065 at master arm 061, be used for supporting roller bearing 10.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the secondary plug of middle-placed switch cabinet locking interlock comprises secondary-plug headstock (03), is inserted in the secondary plug (04) in described secondary-plug headstock (03) the seat hole, the circuit breaker (12) that is connected with the cable of described secondary plug (04);
It is characterized in that, also comprise the support (02) of middle-placed switch cabinet front top plate (01) below that is installed in described middle-placed switch cabinet; Be erected at the lever shaft (07) on the described support (02); Can be around the lever (06) of described lever shaft (07) rotation; Be fixed on the locking bar (05) of the slave arm (062) of described lever (06); Be arranged on the contact jaw (08) of the master arm (061) of described lever (06); One end connects the flexible member (09) that described slave arm (062) and the other end connect described support (02); Be fixed on the upper push pedal (11) that is used for promoting described lever (06) rotation of described circuit breaker (12); Described secondary-plug headstock (03) is installed on the described support (02).
2. described secondary plug is locked interlock according to claim 1, it is characterized in that the roller of described contact jaw (08) for rotating around the roller bearing that is installed in described master arm (061) (10).
3. described secondary plug is locked interlock according to claim 2, it is characterized in that, described circuit breaker (12) is when test position, the centre-height of described roller bearing (10) is higher than the apical side height of described push pedal (11), and the extreme lower position of the outline of described roller is lower than the end face of described push pedal (11).
4. described secondary plug is locked interlock according to claim 1, it is characterized in that the plane at locking bar main body (051) place of described locking bar (05) is parallel with the axis of described lever shaft (07).
5. described secondary plug is locked interlock according to claim 1, it is characterized in that, offers the pilot hole (021) that described locking bar (05) is passed through on the described support (02).
6. described secondary plug is locked interlock according to claim 1, it is characterized in that described flexible member (09) is extension spring, and when the service position, described extension spring is in extended state.
7. described secondary plug is locked interlock according to claim 6, it is characterized in that, described slave arm (062) is provided with the connecting hole (064) that connects described extension spring one end, is provided with the connecting rod (023) that connects the described extension spring other end on the described support.
8. described secondary plug is locked interlock according to claim 1, it is characterized in that, offers fixing hole (063) on the described slave arm (062), and an end of described locking bar (05) is inserted in the described fixing hole (063) fixing.
9. described secondary plug is locked interlock according to claim 8, it is characterized in that described locking bar (05) and described fixing hole (063) welding.
10. described secondary plug is locked interlock according to claim 1, it is characterized in that, the edge of described support (02) is provided with the flanging (022) for fixing described support (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220503723.XU CN202872229U (en) | 2012-09-28 | 2012-09-28 | Secondary plug locking interlocking apparatus of centrally-placed cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220503723.XU CN202872229U (en) | 2012-09-28 | 2012-09-28 | Secondary plug locking interlocking apparatus of centrally-placed cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202872229U true CN202872229U (en) | 2013-04-10 |
Family
ID=48038918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220503723.XU Expired - Fee Related CN202872229U (en) | 2012-09-28 | 2012-09-28 | Secondary plug locking interlocking apparatus of centrally-placed cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202872229U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500955A (en) * | 2013-10-16 | 2014-01-08 | 昆山振宏电子机械有限公司 | Secondary interlocking bracket for electric control cabinets and aviation plug matched with same |
| CN104538258A (en) * | 2014-12-22 | 2015-04-22 | 无锡力豪科技有限公司 | Locking device for breaker and secondary plug-in |
| CN109728531A (en) * | 2017-10-31 | 2019-05-07 | 向荣集团有限公司 | Breaker secondary plug interlocking gear |
| CN111200254A (en) * | 2019-12-18 | 2020-05-26 | 天津平高智能电气有限公司 | Switch cabinet and secondary interlocking device thereof |
-
2012
- 2012-09-28 CN CN201220503723.XU patent/CN202872229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500955A (en) * | 2013-10-16 | 2014-01-08 | 昆山振宏电子机械有限公司 | Secondary interlocking bracket for electric control cabinets and aviation plug matched with same |
| CN104538258A (en) * | 2014-12-22 | 2015-04-22 | 无锡力豪科技有限公司 | Locking device for breaker and secondary plug-in |
| CN109728531A (en) * | 2017-10-31 | 2019-05-07 | 向荣集团有限公司 | Breaker secondary plug interlocking gear |
| CN111200254A (en) * | 2019-12-18 | 2020-05-26 | 天津平高智能电气有限公司 | Switch cabinet and secondary interlocking device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202872229U (en) | Secondary plug locking interlocking apparatus of centrally-placed cabinet | |
| CN101834412B (en) | Switch cabinet mechanical interlocking matched set | |
| CN106207667B (en) | Bank electricity connector is pressed in one kind | |
| CN201674132U (en) | Switch cubicle baffle plate opening device and special bus short circuit ground wire moving contact | |
| KR101010078B1 (en) | Draw in and out apparatus for circuit breaker and circuit breaker having the same | |
| CN102509661B (en) | Operation linkage safety interlocking linkage device of electrical appliance with draw-out switchgear | |
| CN202872227U (en) | Breaker open operation interlocking device and high-tension switchgear applying the device | |
| CN201478144U (en) | Earthing switch electrical operating mechanism | |
| CN103036092A (en) | Electric shock proof device of power socket | |
| CN103681142B (en) | A kind of crane insulating barrier | |
| CN202839435U (en) | Five-prevention operating mechanism for high-tension switch cabinet | |
| CN201805169U (en) | Hand cart for electricity test and grounding of leading-in wire on switch cabinet | |
| CN102270813A (en) | Electricity testing and earthing handcart for main bus and feeder branch | |
| CN109887719A (en) | It is a kind of that stable transformer is installed | |
| CN206947228U (en) | A kind of high-tension switch cabinet grounding switch combination operation bar | |
| CN104577844A (en) | Interlocking mechanism and drawer type switch cabinet with interlocking mechanism | |
| CN204304290U (en) | A kind of interlocking mechanism and there is the drawer-type switch cabinet of this interlocking mechanism | |
| CN209860465U (en) | Multifunctional interlocking mechanism of plug-in distribution box | |
| CN201435546Y (en) | Secondary-plug interlocking device of high-voltage switch equipment | |
| CN210129694U (en) | Switch cabinet with handcart guide rail | |
| CN102510019B (en) | Interlocking device for draw-out switch | |
| CN206697823U (en) | A kind of drawer is met an urgent need tripper | |
| KR20200135899A (en) | Terminal stripping device of ground transformer | |
| CN201717522U (en) | Mechanical interlinking assembly of switch cabinet | |
| CN202487827U (en) | Power plug for communication product power supply connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20210928 |