CN205645569U - Moving contact and moving contact subassembly, isolator and switchgear - Google Patents
Moving contact and moving contact subassembly, isolator and switchgear Download PDFInfo
- Publication number
- CN205645569U CN205645569U CN201620503496.9U CN201620503496U CN205645569U CN 205645569 U CN205645569 U CN 205645569U CN 201620503496 U CN201620503496 U CN 201620503496U CN 205645569 U CN205645569 U CN 205645569U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- flexible coupling
- connecting hole
- connecting portion
- blade
- 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
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Abstract
The utility model relates to a moving contact and moving contact subassembly, isolator and switchgear, moving contact subassembly include moving contact and flexible coupling, plug -in strip piece that sets up about the moving contact includes and the connecting portion that are used for connecting the plug -in strip piece, be provided with the one end adaptation male connecting hole that is used for supplying the flexible coupling on the connecting portion, the connecting hole has and is used for being connected the pore wall with the tip welding of flexible coupling links firmly, the connecting hole seals along its circumference, there is not the breach, guaranteed that the moving contact has higher overall structure intensity on the one hand, on the other hand has guaranteed that the connection pore wall of connecting hole and the tip of flexible coupling have great area of contact, the joint strength between moving contact and the flexible coupling has been strengthened, ensured to have good contact between flexible coupling and the moving contact, it is big to have avoided the contact resistance that dependence bolted connection leads to among the prior art, the big problem of temperature rise in the work.
Description
Technical field
This utility model relates to a kind of moving contact and uses the moving contact component of this moving contact, disconnecting switch and switchgear.
Background technology
In high pressure power transmission and distribution field, switchgear is requisite parts, switchgear is typically provided with disconnecting switch and major loop, the contact of disconnecting switch consists of mechanical connection frequently with two copper bars, and the connected mode being flexible coupling is will to be flexible coupling by bolt to be fixed on contact and components and parts, such structure is not because moving contact is with to be flexible coupling be an entirety, it is bolted and causes that connection area is little, it is bad with contact to be flexible coupling, easily causing the contact resistance increase being flexible coupling and between moving contact, in work process, temperature raises.
Utility model content
The purpose of this utility model is to provide a kind of solving to be bolted the moving contact that the contact resistance caused is big, use the problem that process temperature rise is big in prior art with moving contact owing to being flexible coupling；Meanwhile, the purpose of this utility model also resides in offer and a kind of uses the moving contact component of this moving contact, disconnecting switch and switchgear.
For achieving the above object, the technical scheme of a kind of moving contact of the present utility model is: a kind of moving contact, including the blade of knife switch of left and right setting with for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
Described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
The technical scheme of a kind of moving contact component of the present utility model is: a kind of moving contact component, including moving contact and being flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
Described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
The technical scheme of a kind of disconnecting switch of the present utility model is: a kind of disconnecting switch, including static contact and moving contact component, moving contact component includes moving contact and is flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
Described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
The technical scheme of a kind of switchgear of the present utility model is: a kind of switchgear, including disconnecting switch and major loop structure, disconnecting switch includes static contact and moving contact component, moving contact component includes moving contact and is flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, the connecting hole that one end adaptation for Gong being flexible coupling is inserted it is provided with on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling, and the other end being flexible coupling electrically connects with major loop structure.
Described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
Described major loop structure includes that pole, pole include end of incoming cables and leading-out terminal, and the other end being flexible coupling electrically connects with the leading-out terminal of pole.
The beneficial effects of the utility model are: be provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling, connecting hole is circumferentially closed along it, there is no breach, on the one hand ensure that moving contact has higher overall construction intensity, on the other hand ensure that the hole wall that connects of connecting hole has bigger contact area with the end being flexible coupling, bonding strength between enhancing moving contact and being flexible coupling, ensure that and be flexible coupling and there is between moving contact good contacting, avoid the contact resistance relying on bolt connection to cause in prior art big, the problem that in work, temperature rise is big.
Accompanying drawing explanation
Fig. 1 is the structural representation of the moving contact component in a kind of embodiment of a kind of switchgear of the present utility model；It also it is simultaneously the structural representation of moving contact component in a kind of embodiment of a kind of disconnecting switch of the present utility model；
Fig. 2 is the structural representation of moving contact；
Fig. 3 is without the upward view being flexible coupling in Fig. 1；
Fig. 4 is the structural representation of a kind of switchgear of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.nullThe specific embodiment of a kind of switchgear of the present utility model，As shown in Figure 1 to Figure 3，Including housing 9、It is arranged at the disconnecting switch within housing 9、The drive shaft 19 that major loop structure and axis extend along the longitudinal direction，Major loop structure includes pole，Pole includes insulation crust 18，End of incoming cables 13 and leading-out terminal 20 it is provided with on insulation crust 18，One end of insulation crust 18 is internally provided with arc-chutes 15，The other end of insulation crust 18 be internally provided with insulated tension pole 12，Arc-chutes 15 and insulated tension pole 12 are coaxially disposed，End of incoming cables 13 is arranged on the downside of insulation crust 15，Leading-out terminal 20 is arranged on the upside of insulation crust 18，Arc-chutes static contact 16 and arc-chutes moving contact 14 it is provided with in arc-chutes 15，End of incoming cables 13 is electrically connected by copper bar with arc-chutes moving contact 14，Arc-chutes moving contact 14 is fixing with insulated tension pole 12 to be connected，Arc-chutes static contact 16 is coaxially disposed with arc-chutes moving contact 14 and fixes with insulation shell 18 and is connected，Arc-chutes static contact 16 electrically connects with leading-out terminal 20.
Disconnecting switch includes moving contact component, isolation static contact 11 and grounding static contact 10, moving contact component includes moving contact 1, be flexible coupling 2 and for moving contact 1 install insulating support 17, moving contact 1 is the integral type U-shaped structure formed by punching press and bending by copper bar, including symmetrically arranged two blade of knife switch 3 with for connecting portion 4 that is that connect two blade of knife switch 3 and that be wholely set with two blade of knife switch 3, be provided with on connecting portion 4 for for be flexible coupling 2 the adaptive along the vertical direction connecting hole 5 inserted in one end, connecting hole 5 is circumferentially closed along it, there is no breach, connecting hole 5 has for welding, with the end 6 that inserts being flexible coupling, the connection hole wall being connected, connecting hole 5 be flexible coupling 2 insertion end 6 coincide adaptation, the other end of 2 that is flexible coupling electrically connects with the leading-out terminal 20 of pole.Being correspondingly arranged on the stud perforation 7 passed for studs on two blade of knife switch 3 of moving contact 1, the two ends of studs are provided with clamp nut, for the chucking power of regulator blade 3.It is correspondingly arranged on two blade of knife switch 3 of moving contact 1 and cuts groove 8, cut groove 8 and extend through corresponding stud perforation 7 along the length direction of corresponding blade of knife switch 3.
Under the rotary action of drive shaft 19, insulating support 17 also concomitant rotation, and drive moving contact 1 at isolation static contact 11, between unsettled isolated bit and grounding static contact 10, carry out switching conversion, when moving contact 1 contacts with isolation static contact 11, this disconnecting switch is positioned at combined floodgate station I, and when moving contact 1 moves to unsettled isolated bit, this disconnecting switch is positioned at separating brake station II, when moving contact 1 moves to contact with grounding static contact 10, this disconnecting switch is positioned at ground connection station III.
In other embodiments of a kind of switchgear of the present utility model, in the case of the thickness of connecting portion is enough, connecting hole can not also be vertically extending, connecting hole can also be arranged on the side of connecting portion, the insertion end being now flexible coupling inserts connecting hole from side adaptation, welds the most again.
Moving contact and the employing monolithic construction that is flexible coupling, first one end adaptation being flexible coupling is inserted in the connecting hole on the connecting portion of moving contact, again the connection hole wall of the connecting hole of moving contact is fixed into an entirety with being flexible coupling to weld, ensure be flexible coupling and there is between moving contact good contacting, it is to avoid rely on bolt to connect in the prior art contact resistance caused is big, temperature rise is big in work problem；Isolation static contact can also be only set as required and be not provided with grounding static contact.
The embodiment of a kind of disconnecting switch is identical with the embodiment of the disconnecting switch in each embodiment of above-mentioned a kind of switchgear, and here is omitted.
The embodiment of a kind of moving contact component is identical with the embodiment of the moving contact component in each embodiment of above-mentioned a kind of switchgear, and here is omitted.
The embodiment of a kind of moving contact is identical with the embodiment of the moving contact in each embodiment of above-mentioned a kind of switchgear, and here is omitted.
Claims (9)
1. a moving contact, it is characterized in that: include the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
A kind of moving contact the most according to claim 1, it is characterised in that: described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
3. a moving contact component, it is characterized in that: include moving contact and be flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
A kind of moving contact component the most according to claim 3, it is characterised in that: described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
5. a disconnecting switch, including static contact and moving contact component, it is characterized in that: moving contact component includes moving contact and is flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, being provided with the connecting hole that one end adaptation for Gong being flexible coupling is inserted on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling.
A kind of disconnecting switch the most according to claim 5, it is characterised in that: described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
7. a switchgear, including disconnecting switch and major loop structure, disconnecting switch includes static contact and moving contact component, it is characterized in that: described moving contact component includes moving contact and is flexible coupling, described moving contact includes the blade of knife switch of left and right setting and for connecting the connecting portion of blade of knife switch, the connecting hole that one end adaptation for Gong being flexible coupling is inserted it is provided with on described connecting portion, connecting hole has for welding the connection hole wall being connected with the end being flexible coupling, and the other end being flexible coupling electrically connects with major loop structure.
A kind of switchgear the most according to claim 7, it is characterised in that: described connecting hole is vertically extending and runs through connecting portion up and down for the adaptive along the vertical direction insertion in the end being flexible coupling.
9. according to a kind of switchgear described in claim 7 or 8, it is characterised in that: described major loop structure includes that pole, pole include end of incoming cables and leading-out terminal, and the other end being flexible coupling electrically connects with the leading-out terminal of pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503496.9U CN205645569U (en) | 2016-05-30 | 2016-05-30 | Moving contact and moving contact subassembly, isolator and switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503496.9U CN205645569U (en) | 2016-05-30 | 2016-05-30 | Moving contact and moving contact subassembly, isolator and switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205645569U true CN205645569U (en) | 2016-10-12 |
Family
ID=57053844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620503496.9U Expired - Fee Related CN205645569U (en) | 2016-05-30 | 2016-05-30 | Moving contact and moving contact subassembly, isolator and switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205645569U (en) |
-
2016
- 2016-05-30 CN CN201620503496.9U patent/CN205645569U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20161012 Termination date: 20200530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |