CN203931908U - Isolated switch main conductive component - Google Patents
Isolated switch main conductive component Download PDFInfo
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- CN203931908U CN203931908U CN201420322743.6U CN201420322743U CN203931908U CN 203931908 U CN203931908 U CN 203931908U CN 201420322743 U CN201420322743 U CN 201420322743U CN 203931908 U CN203931908 U CN 203931908U
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- fixed
- swing arm
- fingertip
- contact
- arm
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Abstract
The utility model discloses isolated switch main conductive component, comprise fixed contact, fingertip and conduction swing arm, fixed contact is fixed on the outlet seat component of left side, conduction swing arm is made up of aluminium material, conduction swing arm end is articulated with on the outlet seat component of right side, the free end of conduction swing arm rotates around hinged end, conduction swing arm is made up of two parallel half arms that are fixed together, fingertip is individually fixed in the free-ended relative inner of two and half arms, at least one half arm outside is provided with elastic compression device with fingertip bearing, conduction swing arm drives fingertip inner side with fixed contact contact or separates, fixed contact comprises vertical plate and is arranged on vertical upper end to the left or tilt head that right side tilts, fingertip successively with vertical head with tilt head sliding contact or separate.Isolated switch main conductive component of the present utility model is simple in structure, save copper raw material, cost is low, can effectively increase real contact area, ensures the effective contact between contact, and performance is more stable more reliable.
Description
Technical field
The utility model relates to the assembly in a kind of isolating switch, particularly relates to a kind of isolated switch main conductive component.
Background technology
Isolating switch,, in the time dividing position, the insulation distance that having between contact conforms with the regulations requires and significantly disconnection indicate; In the time that co-bit is put, can carry electric current under normal loop condition and the switchgear of the electric current under exceptional condition at the appointed time.
Isolating switch is in high-voltage switch electric appliance, to use maximum a kind of electrical equipment, the principles and structure of itself is fairly simple, but because use amount is large, functional reliability requires high, and the impact of design, foundation and safe operation on electric substation, railway, power plant is all larger.The main feature of isolating switch is without arc extinguishing ability, can only in the situation that there is no load current, divide, close circuit.Isolating switch is for each step voltage, connects or makes circuit or equipment and isolated from power as changing circuit, and its ability that do not stop, operate after can only be first will circuit disconnecting with miscellaneous equipment again.The generally interlock of misoperation when preventing switch band load.
The vertical opening type high voltage isolator of a large amount of use in railway contact line, its basic comprising is divided into conduction, insulation, transmission and four parts of operation.Wherein, current-carrying part is the core component of high voltage isolator, and its structure directly affects the serviceability of high voltage isolator.Current-carrying part is made up of binding post, conductive arm, outlet seat component, and conductive arm end is installed moving contact (or fingertip).When switch motion, moving contact (or fingertip) rotates with conductive arm, realizes disconnection or the closure of circuit.
Contact, fingertip, swing arm all adopt the mode of fine copper in the prior art, and the problem of existence is, have adopted a large amount of copper materials in non-significant points, and manufacturing procedure is many, and cost is higher.Therefore, simple, the dependable performance of Structure of need, lower-cost contact apparatus in railway.And fixed contact and moving contact real contact area too small, there is sometimes virtual connection situation and can not guaranteed performance, in addition, because distance between fingertip and fixed contact can not ensure always, in impaction state, can not to ensure effectively to contact between fingertip and fixed contact.
Summary of the invention
The utility model completes in order to solve deficiency of the prior art, that the purpose of this utility model is to provide is simple in structure, save copper raw material, cost is low, can effectively increase real contact area, ensure the effective contact between contact, the more stable isolated switch main conductive component more reliably of performance.
Isolated switch main conductive component of the present utility model, comprise fixed contact, fingertip and conduction swing arm, described fixed contact is fixed on the outlet seat component of left side, described conduction swing arm is made up of aluminium material, described conduction swing arm end is articulated with on the outlet seat component of right side, the free end of described conduction swing arm rotates around hinged end, described conduction swing arm is made up of two parallel half arms that are fixed together, described fingertip is individually fixed in two free-ended relative inner of described half arm, described at least one, half arm outside is provided with elastic compression device with described fingertip bearing, described conduction swing arm drives described fingertip inner side with described fixed contact contact or separates, described fixed contact comprises vertical plate and is arranged on described vertical upper end to the left or tilt head that right side tilts, described fingertip successively with described vertical head with described tilt head sliding contact or separate.
Isolated switch main conductive component of the present utility model can also be:
Described elastic compression device is outer pressing spring, described at least one half arm and described fingertip bearing arrange screw rod, described half arm outside is by being provided with packing ring and nut outside interior, described gasket sleeve is located on described screw rod, between described packing ring and described nut, be provided with outer pressing spring, described nut thread is connected in described screw rod end.
Described two and half arms are provided with packing ring, outer pressing spring and nut outward, and described two packing rings, outer pressing spring and nut lay respectively at the outside of two described half arms, and two nuts are connected on the two ends of described screw rod.
Described tilt head is increased gradually by top to bottom width.
Described tilt head is outwardly arc by top to bottom outer edge.
Between two described half arms, be provided with at least one fixed support block, described fixed support block is fixed between two described half arms by the screw bolt and nut of described half arm arranged outside, the spacing between two described half arms and described fixed support block equal in length.
Described left side outlet seat component comprises supporting insulator, binding post and is fixed on the holder on described binding post, and described fixed contact is vertically fixed on described holder, and described supporting insulator is fixed on described binding post lower end.
Described fixed contact is fixed on described holder by fixed head, and the vertical head of described fixed contact is fixed on described fixed head, and described fixed head is fixed on described holder by bolts and nuts.
Described right side outlet seat component comprises supporting insulator, binding post and is fixed on the hinged seat on described binding post, the hinged end of described conduction swing arm is articulated with on described hinged seat, described supporting insulator is fixed on described binding post lower end, and described conduction swing arm lower end is connected with operation insulator.
The rotatable jointed shaft that set up on described hinged seat, described jointed shaft with two described half arms by being connected to recessed bend arm, the centre of described bend arm is curved downwards, the two ends of described bend arm raise up, two described projections are fixed with middle and the jointed shaft two ends of described half arm respectively, and the downward bent part lower end of described bend arm connects described operation insulator.
Isolated switch main conductive component of the present utility model, comprise fixed contact, fingertip and conduction swing arm, described fixed contact is fixed on the outlet seat component of left side, described conduction swing arm is made up of aluminium material, described conduction swing arm end is articulated with on the outlet seat component of right side, the free end of described conduction swing arm rotates around hinged end, described conduction swing arm is made up of two parallel half arms that are fixed together, described fingertip is individually fixed in two free-ended relative inner of described half arm, described at least one, half arm outside is provided with elastic compression device with described fingertip bearing, described conduction swing arm drives described fingertip inner side with described fixed contact contact or separates, described fixed contact comprises vertical plate and is arranged on described vertical upper end to the left or tilt head that right side tilts, described fingertip successively with described vertical head with described tilt head sliding contact or separate.Like this, conduction swing arm free end is rotated counterclockwise around hinged end, and the free end of swing arm of making to conduct electricity falls downwards; drive fingertip moves downward, and in the time that it falls to fixed contact position, contacts with the tilt head of fixed contact; conductive component entirety forms path, carries the electric current under normal loop condition.Conduction swing arm free end turns clockwise around hinged end, and the free end of conduction swing arm rises, and drives fingertip to rise and separates with tilt head with the vertical head of fixed contact.In a point position, fixed contact and fingertip spacer insulator distance and obviously disconnection.Can realize conducting function completely, and maximum conduction swing arm parts adopt aluminium material to make, save the consumption of fine copper, reduce cost, it is long and narrow contact-making surface that the tilt head being simultaneously obliquely installed makes contacting between fingertip and fixed contact, effectively increase practical basis area, made performance more reliable.And at least one half arm of two and half arms, elastic compression device is set outward, make between two and half arms always in impaction state, and then ensure that fingertip and fixed contact are always in close contact state, and then rely on the pressure of elastic compression device, ensure effective contact the between fixed contact and fingertip.The advantage having be in terms of existing technologies simple in structure, save copper raw material, cost low, can effectively increase real contact area, ensure the effective contact between contact, performance is more stable more reliable.
Brief description of the drawings
Fig. 1 the utility model isolated switch main conductive component embodiment front view.
Fig. 2 the utility model isolated switch main conductive component embodiment vertical view.
Figure number explanation
1 ... fixed contact 2 ... fingertip 3 ... conduction swing arm
4 ... left side outlet seat component 5 ... right side outlet seat component 6 ... half arm
7 ... tilt head 8 ... outer pressing spring 9 ... screw rod
10 ... nut 11 ... fixed support block 12 ... hinged seat
13 ... supporting insulator 14 ... binding post 15 ... holder
16 ... fixed head 17 ... operation insulator 18 ... jointed shaft
19 ... bend arm
Embodiment
Fig. 1 to Fig. 2 below in conjunction with accompanying drawing is described in further detail isolated switch main conductive component of the present utility model.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, comprise fixed contact 1, fingertip 2 and conduction swing arm 3, described fixed contact 1 is fixed on the outlet seat component 4 of left side, described conduction swing arm 3 is made up of aluminium material, described conduction swing arm 3 ends are articulated with on right side outlet seat component 5, the free end of described conduction swing arm 3 rotates around hinged end, described conduction swing arm 3 is made up of two parallel half arms 6 that are fixed together, described fingertip 2 is individually fixed in two free-ended relative inner of described half arm 6, described at least one, half arm 6 outsides and described fingertip 2 bearings are provided with elastic compression device, described conduction swing arm 3 drives described fingertip 2 inner sides to contact or separate with described fixed contact 1, described fixed contact 1 comprises vertical plate and is arranged on described vertical upper end to the left or tilt head 7 that right side tilts, described fingertip 2 successively with described vertical head with described tilt head 7 sliding contacts or separate.Like this; conduction swing arm 3 free ends are rotated counterclockwise around hinged end; the free end of swing arm 3 of making to conduct electricity falls downwards; drive fingertip 2 to move downward; in the time that it falls to fixed contact 1 position; contact with the tilt head 7 of fixed contact 1, conductive component entirety forms path, carries the electric current under normal loop condition.Conduction swing arm 3 free ends turn clockwise around hinged end, and the free end of conduction swing arm 3 rises, and drive fingertip 2 to rise and separate with tilt head 7 with the vertical head of fixed contact 1.In a point position, fixed contact 1 and fingertip 2 spacer insulator distances and obviously disconnection.Can realize conducting function completely, and maximum conduction swing arm 3 parts adopt aluminium material to make, save the consumption of fine copper, reduce cost, it is long and narrow contact-making surface that the tilt head 7 being simultaneously obliquely installed makes contacting between fingertip 2 and fixed contact 1, effectively increase practical basis area, made performance more reliable.And in the outer elastic compression device that arranges of at least one half arm 6 of two and half arms 6, make between two and half arms 6 always in impaction state, and then ensure that fingertip 2 and fixed contact 1 are always in close contact state, and then the pressure of dependence elastic compression device, ensure effective contact the between fixed contact 1 and fingertip 2.The advantage having be in terms of existing technologies simple in structure, save copper raw material, cost low, can effectively increase real contact area, ensure the effective contact between contact, performance is more stable more reliable.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, on the basis of previously described technical scheme, can be specifically: described elastic compression device is outer pressing spring 8, described at least one half arm 6 arranges screw rod 9 with described fingertip 2 bearings, described half arm 6 outsides are by being provided with packing ring and nut 10 outside interior, described gasket sleeve is located on described screw rod 9, is provided with outer pressing spring 8 between described packing ring and described nut 10, and described nut 10 is threadedly connected to described screw rod 9 ends.Screw rod 9 links together two and half arms 6, and the effect of packing ring is that 10, nut is used for fixing another impetus of outer pressing spring 8 to the stressed impetus of outer pressing spring 8, and can regulate pressure and the position of outer pressing spring 8 simultaneously.Like this, outer pressing spring 8 is under pressure, and by Distance Shortened between two and half arms 6, and then makes two fingertips 2 mutually more approaching, and then contacting between two fingertips 2 and fixed contact 1 is tightr and firm.And then guarantee reliability and stability.Certainly can also be to adopt other forms of elastic compression device, as long as can by two and half arms 6 towards each other close direction press.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, on the basis of previously described technical scheme, can also be: described tilt head 7 is increased gradually by top to bottom width.Be tilt head 7 from top to bottom width progressively increase.The advantage arranging is like this, two and half arms 6 of conduction swing arm 3 are all thinner, easily trim locations back and forth, even if the structure of broadening makes to conduct electricity in swing arm 3 situation that is equipped with institute's deviation in place and also can progressively pull back to tram under the edge action of the tilt head 7 of widening gradually gradually, avoid damaging fingertip 2 and conduction swing arm 3.Further preferred technical scheme is that described tilt head 7 is outwardly arc by top to bottom outer edge.The edge of arc makes to conduct electricity swing arm 3 and adjusts back more steadily, avoids damaging fingertip 2 and fixed contact 1.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, on the basis of previously described technical scheme, can also be: between two described half arms 6, be provided with at least one fixed support block 11, described fixed support block 11 is fixed between two described half arms 6 by the screw bolt and nut 10 of described half arm 6 arranged outside, the spacing between two described half arms 6 and described fixed support block 11 equal in length.Because two and half arm 6 length are long, and two and half arm 6 be essentially the aluminium flake that aluminium material is made, thickness can be not thick especially, therefore distance between the two can not ensure to remain unchanged always, or two ends and the unequal situation of middle distance occur, for fear of this situation, between two and half arms 6, fixed support block 11 is set, the effect of fixed support block 11 is that two and half arms 6 are all fixing with fixed support block 11, and both intervals are remained on the numerical value consistent with the length of fixed support block 11.If conduction swing arm 3 length are long, three or four s' fixed support block 11 can be uniformly-spaced set, ensure that so as far as possible between two halves arm 6, distance is identical.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, on the basis of previously described technical scheme, can also be: described left side outlet seat component 4 comprises supporting insulator 13, binding post 14 and is fixed on the holder 15 on described binding post 14, described fixed contact 1 is vertically fixed on described holder 15, and described supporting insulator 13 is fixed on described binding post 14 lower ends.So just can ensure that fixed contact 1 is fixed on the outlet seat component 4 of left side.Further preferred technical scheme is that described fixed contact 1 is fixed on described holder 15 by fixed head 16, and the vertical head of described fixed contact 1 is fixed on described fixed head 16, and described fixed head 16 is fixed on described holder 15 by bolts and nuts 10.Fixed head 16 is fixing with fixed contact 1 like this, and fixed head 16 is fixed on holder 15 again, fixed contact 1 can be fixed on holder 15.
Isolated switch main conductive component of the present utility model, please refer to Fig. 1 to Fig. 2, on the basis of previously described technical scheme, can also be: described right side outlet seat component 5 comprises supporting insulator 13, binding post 14 and is fixed on the hinged seat 12 on described binding post 14, the hinged end of described conduction swing arm 3 is articulated with on described hinged seat 12, described supporting insulator 13 is fixed on described binding post 14 lower ends, and described conduction swing arm 3 lower ends are connected with operation insulator 17.Conduction swing arm 3 is hinged on hinged seat 12 like this, has realized it and has been articulated with on right side outlet seat component 5.Certainly can also be the right side outlet seat component 5 of other structures, as long as conduction swing arm 3 being articulated with on right side outlet seat component 5.Further preferred technical scheme is the rotatable jointed shaft 18 that set up on described hinged seat 12, described jointed shaft 18 is connected by the bend arm 19 to recessed with two described half arms 6, the centre of described bend arm 19 is curved downwards, the two ends of described bend arm 19 raise up, two described projections are fixed with middle and jointed shaft 18 two ends of described half arm 6 respectively, and the downward bent part lower end of described bend arm 19 connects described operation insulator 17.Like this, the effect of bend arm 19 is the rotations that ensure conduction swing arm 3, increases the direction of rotation stability of hinged intensity and conduction swing arm 3 simultaneously.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not serve as protection range of the present utility model; every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion zoom in or out etc., all should think and fall into protection range of the present utility model.
Claims (10)
1. isolated switch main conductive component, it is characterized in that: comprise fixed contact, fingertip and conduction swing arm, described fixed contact is fixed on the outlet seat component of left side, described conduction swing arm is made up of aluminium material, described conduction swing arm end is articulated with on the outlet seat component of right side, the free end of described conduction swing arm rotates around hinged end, described conduction swing arm is made up of two parallel half arms that are fixed together, described fingertip is individually fixed in two free-ended relative inner of described half arm, described at least one, half arm outside is provided with elastic compression device with described fingertip bearing, described conduction swing arm drives described fingertip inner side with described fixed contact contact or separates, described fixed contact comprises vertical plate and is arranged on described vertical upper end to the left or tilt head that right side tilts, described fingertip successively with described vertical head with described tilt head sliding contact or separate.
2. isolated switch main conductive component according to claim 1, it is characterized in that: described elastic compression device is outer pressing spring, described at least one half arm and described fingertip bearing arrange screw rod, described half arm outside is by being provided with packing ring and nut outside interior, described gasket sleeve is located on described screw rod, between described packing ring and described nut, be provided with outer pressing spring, described nut thread is connected in described screw rod end.
3. isolated switch main conductive component according to claim 2, it is characterized in that: described two and half arms are provided with packing ring, outer pressing spring and nut outward, described two packing rings, outer pressing spring and nut lay respectively at the outside of two described half arms, and two nuts are connected on the two ends of described screw rod.
4. according to the isolated switch main conductive component described in claim 1 or 2 or 3, it is characterized in that: described tilt head is increased gradually by top to bottom width.
5. isolated switch main conductive component according to claim 4, is characterized in that: described tilt head is outwardly arc by top to bottom outer edge.
6. according to the isolated switch main conductive component described in claim 1 or 2 or 3, it is characterized in that: between two described half arms, be provided with at least one fixed support block, described fixed support block is fixed between two described half arms by the screw bolt and nut of described half arm arranged outside, the spacing between two described half arms and described fixed support block equal in length.
7. according to the isolated switch main conductive component described in claim 1 or 2 or 3, it is characterized in that: described left side outlet seat component comprises supporting insulator, binding post and is fixed on the holder on described binding post, described fixed contact is vertically fixed on described holder, and described supporting insulator is fixed on described binding post lower end.
8. isolated switch main conductive component according to claim 7, it is characterized in that: described fixed contact is fixed on described holder by fixed head, the vertical head of described fixed contact is fixed on described fixed head, and described fixed head is fixed on described holder by bolts and nuts.
9. according to the isolated switch main conductive component described in claim 1 or 2 or 3, it is characterized in that: described right side outlet seat component comprises supporting insulator, binding post and is fixed on the hinged seat on described binding post, the hinged end of described conduction swing arm is articulated with on described hinged seat, described supporting insulator is fixed on described binding post lower end, and described conduction swing arm lower end is connected with operation insulator.
10. isolated switch main conductive component according to claim 9, it is characterized in that: the rotatable jointed shaft that set up on described hinged seat, described jointed shaft with two described half arms by being connected to recessed bend arm, the centre of described bend arm is curved downwards, the two ends of described bend arm raise up, two described projections are fixed with middle and the jointed shaft two ends of described half arm respectively, and the downward bent part lower end of described bend arm connects described operation insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322743.6U CN203931908U (en) | 2014-06-17 | 2014-06-17 | Isolated switch main conductive component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322743.6U CN203931908U (en) | 2014-06-17 | 2014-06-17 | Isolated switch main conductive component |
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| Publication Number | Publication Date |
|---|---|
| CN203931908U true CN203931908U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322743.6U Active CN203931908U (en) | 2014-06-17 | 2014-06-17 | Isolated switch main conductive component |
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| CN (1) | CN203931908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957766A (en) * | 2016-07-20 | 2016-09-21 | 宁波天安（集团）股份有限公司 | Pressure friction free contact type large-current isolation switch |
-
2014
- 2014-06-17 CN CN201420322743.6U patent/CN203931908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957766A (en) * | 2016-07-20 | 2016-09-21 | 宁波天安（集团）股份有限公司 | Pressure friction free contact type large-current isolation switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |