CN201663088U - Wire holder structure of outdoor high-voltage isolating switch - Google Patents
Wire holder structure of outdoor high-voltage isolating switch Download PDFInfo
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- CN201663088U CN201663088U CN201020111821XU CN201020111821U CN201663088U CN 201663088 U CN201663088 U CN 201663088U CN 201020111821X U CN201020111821X U CN 201020111821XU CN 201020111821 U CN201020111821 U CN 201020111821U CN 201663088 U CN201663088 U CN 201663088U
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- elastic sheet
- electroconductive elastic
- conductive
- junction block
- isolating switch
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Abstract
The utility model discloses a wire holder structure of an outdoor high-voltage isolating switch, which comprises a conducting seat, a conducting shaft and a wire holder, wherein the conducting shaft is rotationally arranged inside the conducting seat, and the wire holder is connected with one end of the conducting shaft. A conducting spring sheet group formed by arraying V-shaped conducting spring sheets is fixedly arranged inside an annular cavity between the inner wall of the conducting seat and the conducting shaft. The wire holder structure of the outdoor high-voltage isolating switch has the advantages of compact structure, small occupied space volume, small mechanical abrasion, large through flow and fine sealing effect.
Description
Technical field
The utility model relates to outdoor high-voltage isolating switch, specifically the junction block structure of outdoor high-voltage isolating switch.
Background technology
Utility model patent title: a kind of high voltage isolator junction block structure, the patent No.: 200920020227.7 disclose a kind of high voltage isolator junction block structure, the top of binding post snaps onto the end face of junction block, the inner space of junction block is located in its underpart, snapping place between binding post and the junction block is provided with composite shaft sleeve, be flexible coupling and be located at the inner space of junction block and be at least 4, the upper end that is flexible coupling is fixed on the octagon bottom surface sidewall of binding post lower part, its lower end is fixed on the bottom interior wall of junction block, the upper end of pull bar is fixed on the inside of binding post, its lower end is passed the bottom hole of junction block and is connected to by pivot pin on the bottom outer wall of junction block, pull bar is rotated and the tension binding post.The high voltage isolator of this patent disclosure junction block structure, volume is big, serious wear in the course of work
In the prior art, the Copper Foil that the isolating switch junction block that uses in 126KV high pressure electrical power trans mission/distribution system is normally thick with 0.3mm is superimposed to certain thickness, both ends of the surface are warded off tin, solidify back boring, use two coupled parts of bolt then, make a part rotate about 95 degree, and form different electric loop with respect to another part.Under the weather condition, after operation a period of time, wearing out can appear this structure in the Copper Foil of 0.3mm, becomes fragile phenomenon of rupture out of doors.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and the junction block structure of outdoor high-voltage isolating switch is provided, the junction block structure of this outdoor high-voltage isolating switch has compact conformation, shared spatial volume is little, mechanical wear is little, through-current capacity is big, the characteristics of good sealing effect.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the junction block structure of outdoor high-voltage isolating switch, comprise conductive seat, rotate the conductive shaft be arranged in the conductive seat, the junction block that is connected with an end of conductive shaft, the annular chamber internal fixation between conductive seat inwall and conductive shaft is provided with one and encloses the electroconductive elastic sheet group that the electroconductive elastic sheet by V-arrangement rearranges.
For optimizing technique scheme, the measure of taking also comprises:
The V-arrangement bottom protrusion of electroconductive elastic sheet is folded in the above-mentioned electroconductive elastic sheet group is inserted in the V-arrangement recess of adjacent conductive shell fragment, and each electroconductive elastic sheet in the electroconductive elastic sheet group is pressed clockwise or counterclockwise in annular chamber and arranged.
Above-mentioned electroconductive elastic sheet is made up of the first side wall that constitutes V-arrangement and second sidewall, and the outer end of the first side wall is shaped on flanging portion, and this flanging portion matches with the outer wall of conductive shaft, and the outer end of second sidewall is shaped on curved portions, and this curved portions matches with the conductive seat inwall.
The first side wall of above-mentioned electroconductive elastic sheet is shaped on groove, and the groove of each electroconductive elastic sheet matches with retainer plate on being set in conductive shaft in the electroconductive elastic sheet group.
On the first side wall of above-mentioned electroconductive elastic sheet and second sidewall, be shaped on lug.
Above-mentioned electroconductive elastic sheet is preferably the beryllium-bronze electroconductive elastic sheet.
The two ends of above-mentioned conductive seat are rotatably assorted by insulating part and conductive shaft.
Be provided with seal between the two ends of above-mentioned conductive seat and the conductive shaft.
Compared with prior art, the utility model comprises the electroconductive elastic sheet of conductive seat, conductive shaft and V-arrangement; Electroconductive elastic sheet adopts the V-arrangement design, and it is little to have a volume, and advantage of simple structure does not need fastening spring; Contact point is many simultaneously, and conductive capability is strong, and rated current can reach 1375A, and electronic stability and thermal stability are all very high; The material selection elasticity of electroconductive elastic sheet is beryllium-bronze preferably, has very high intensity, hardness, elasticity, resistance to wear, fatigue limit and thermal endurance, also has high conductivity, thermal conductivity and cold resistance simultaneously, and corrosion stability is fabulous in atmosphere.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of electroconductive elastic sheet group among Fig. 1;
Fig. 4 is the front view of electroconductive elastic sheet;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation after electroconductive elastic sheet launches among Fig. 4.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 6 shows that structural representation of the present utility model.
Reference numeral wherein is: conductive seat 1, conductive shaft 2, junction block 3, electroconductive elastic sheet 4, V-arrangement bottom protrusion 4a, V-arrangement recess 4b, the first side wall 4c, the second sidewall 4d, the 4e of flanging portion, curved portions 4f, groove 4g, lug 4h, retainer plate 5, conduction flap 6, insulating case 7, conductive seat bottom 8, circlip for shaft 9, circlip for hole 10, O RunddichtringO 11.
The junction block structure of outdoor high-voltage isolating switch of the present utility model, comprise conductive seat 1, rotation is arranged on the conductive shaft 2 in the conductive seat 1, the junction block 3 that is connected with an end of conductive shaft 2, the annular chamber internal fixation between conductive seat 1 inwall and conductive shaft 2 are provided with the electroconductive elastic sheet group that a circle is rearranged by the electroconductive elastic sheet 4 of V-arrangement.
As shown in Figure 1, retaining element is a conductive seat 1 in the present embodiment, and conductive shaft 2 rotates and is arranged on conductive seat 1.Two ends at conductive seat 1 are rotatably assorted by insulating part and conductive shaft 2.Junction block 3 is connected with the upper end of conductive shaft 2, rotates with conductive shaft 2.
Be fixed with conduction flap 6 in the upper end of conductive seat 1, conductive shaft 2 is rotatably assorted with conduction flap 6, is provided with insulating case 7 between conduction flap 6 and conductive shaft 2, prevents that electric current is delivered on the conductive shaft 2 by conduction flap 6.
Lower end at conductive shaft 2 is shaped on groove, is provided with circlip for shaft 9 in the groove, and the inwall in conductive seat 1 lower end is shaped on groove, and the groove internal fixation is porose with circlip 10.By circlip for shaft 9 and circlip for hole 10 location, be fixed with the conductive seat bottom 8 that is used for sealed insulation in conductive shaft 2 lower ends, conductive shaft 2 is rotatably assorted with conductive seat bottom 8.Insulating case 7 and conductive seat bottom 8 can stop the electric current shunting, guarantee that electric current flows through through conductive seat 1, electroconductive elastic sheet 4, conductive shaft 2.
Be provided with seal between the two ends of conductive seat 1 and the conductive shaft 2, prevent that the moisture in the atmosphere from entering conductive seat 1.Shown in Figure 1 as in the present embodiment is provided with O RunddichtringO 11 between the upper end of conductive shaft 2 and insulating case 7.
As shown in Figure 3, the V-arrangement bottom protrusion 4a of electroconductive elastic sheet 4 is folded in the electroconductive elastic sheet group is inserted in the V-arrangement recess 4b of adjacent conductive shell fragment 4, and each electroconductive elastic sheet 4 in the electroconductive elastic sheet group can be by arranging clockwise or counterclockwise in annular chamber.In the present embodiment, each electroconductive elastic sheet 4 is arranged in annular chamber counterclockwise.Electroconductive elastic sheet 4 is with the circuit communication between conductive seat 1 and the conductive shaft 2, and conductive shaft 2 can carry out the rotation of 360 degree.
As shown in Figure 4 and Figure 5, electroconductive elastic sheet 4 is made up of the first side wall 4c that constitutes V-arrangement and the second sidewall 4d, the outer end of the first side wall 4c is shaped on the 4e of flanging portion, the 4e of this flanging portion matches with the outer wall of conductive shaft 2, the outer end of the second sidewall 4d is shaped on curved portions 4f, and this curved portions 4f matches with conductive seat 1 inwall.
The first side wall 4c of electroconductive elastic sheet 4 is shaped on groove 4g, and the groove 4g of each electroconductive elastic sheet 4 matches with retainer plate 5 on being set in conductive shaft 2 in the electroconductive elastic sheet group.
The electroconductive elastic sheet 4 of V-arrangement is made by thin plate, after it launches as shown in Figure 6.On the first side wall 4c of electroconductive elastic sheet 4 and the second sidewall 4d, be shaped on lug 4h.
The electroconductive elastic sheet 4 preferred elasticity beryllium-bronze thin plates preferably that use, wherein the shared percentage by weight of each element is Be2.1%, Ti0.01%, Ni0.32%, all the other are CU, beryllium-bronze is made electroconductive elastic sheet 4 as shown in Figure 6 after modified, electroconductive elastic sheet 4 has very high intensity, hardness, elasticity, resistance to wear, fatigue limit and thermal endurance, also have high conductivity, thermal conductivity and cold resistance simultaneously, corrosion stability is fabulous in atmosphere.
In the utility model, junction block 3, the conductive seat 1 preferred aluminium alloy draw piece that adopts can make surfacing, smooth.
During installation, earlier junction block 3 is heated to 300 ℃ in baking oven, is incubated after 10 minutes and takes out, by the exhaust trench exhaust on the conductive shaft 2, guarantee that the assembly cavity inner air pressure is identical with atmospheric pressure during assembling conductive shaft 2;
With the insulating case 7 conduction flap 6 of packing into, pack into the upper end of conductive seat 1 of subsidiary then O RunddichtringO 11 integral body;
Pack into the lower end of conductive seat 1 of conductive seat bottom 8 reinstalls circlip for hole 10, with 40 electroconductive elastic sheets 4 by counterclockwise arranging conglobate electroconductive elastic sheet group, and in the annular chamber of the conductive seat 1 of packing into;
At last conductive shaft 2 is assembled in the electroconductive elastic sheet 4, and circlip for shaft 9 is installed in the lower end of conductive shaft 2.
In the utility model assembling, electroconductive elastic sheet 4 deflections are 0.31mm, the contact normal direction elastic deformation force of electroconductive elastic sheet 4, be the about 10N of contact pressure, but the contact pressure of 10N is for giving compression stress, and actual contact pressure adds that by giving compression stress electric current is produced normal direction point power sum on V-arrangement electroconductive elastic sheet 4.Junction block structure of the present utility model in Shanghai superhigh pressure power transmission and distribution test center, has been passed through short circuit current 40KA, the duration of short-circuit 3S type approval test.
Advantage of the present utility model is: compact conformation, and shared spatial volume is little, and mechanical wear, electrical wear are little, and conductive capability is strong, and through-current capacity is big, electronic stability, thermal stability height, good sealing effect, good looking appearance.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (8)
1. the junction block structure of outdoor high-voltage isolating switch, comprise conductive seat (1), rotate the conductive shaft (2) be arranged in the conductive seat (1), with the junction block (3) that an end of conductive shaft (2) is connected, it is characterized in that: the annular chamber internal fixation between conductive seat (1) inwall and conductive shaft (2) is provided with one and encloses the electroconductive elastic sheet group that the electroconductive elastic sheet (4) by V-arrangement rearranges.
2. the junction block structure of outdoor high-voltage isolating switch according to claim 1, it is characterized in that: the V-arrangement bottom protrusion (4a) of electroconductive elastic sheet (4) is folded in the described electroconductive elastic sheet group is inserted in the V-arrangement recess (4b) of adjacent conductive shell fragment (4), and each electroconductive elastic sheet (4) in the electroconductive elastic sheet group is pressed clockwise or counterclockwise in annular chamber and arranged.
3. the junction block structure of outdoor high-voltage isolating switch according to claim 2, it is characterized in that: described electroconductive elastic sheet (4) is made up of the first side wall that constitutes V-arrangement (4c) and second sidewall (4d), the outer end of the first side wall (4c) is shaped on flanging portion (4e), this flanging portion (4e) matches with the outer wall of conductive shaft (2), the outer end of second sidewall (4d) is shaped on curved portions (4f), and this curved portions (4f) matches with conductive seat (1) inwall.
4. the junction block structure of outdoor high-voltage isolating switch according to claim 3, it is characterized in that: the first side wall (4c) of described electroconductive elastic sheet (4) is shaped on groove (4g), and the groove (4g) of each electroconductive elastic sheet (4) matches with retainer plate (5) on being set in conductive shaft (2) in the electroconductive elastic sheet group.
5. the junction block structure of outdoor high-voltage isolating switch according to claim 4 is characterized in that: be shaped on lug (4h) on the first side wall (4c) of described electroconductive elastic sheet (4) and second sidewall (4d).
6. the junction block structure of outdoor high-voltage isolating switch according to claim 5, it is characterized in that: described electroconductive elastic sheet (4) is the beryllium-bronze electroconductive elastic sheet.
7. according to the junction block structure of the described outdoor high-voltage isolating switch of the arbitrary claim of claim 1 to 6, it is characterized in that: the two ends of described conductive seat (1) are rotatably assorted by insulating part and conductive shaft (2).
8. the junction block structure of outdoor high-voltage isolating switch according to claim 7 is characterized in that: be provided with seal between the two ends of described conductive seat (1) and the conductive shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020111821XU CN201663088U (en) | 2010-02-04 | 2010-02-04 | Wire holder structure of outdoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020111821XU CN201663088U (en) | 2010-02-04 | 2010-02-04 | Wire holder structure of outdoor high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663088U true CN201663088U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020111821XU Expired - Fee Related CN201663088U (en) | 2010-02-04 | 2010-02-04 | Wire holder structure of outdoor high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354630A (en) * | 2011-09-14 | 2012-02-15 | 安徽意通电力设备有限公司 | Connection mode for main wire connecting terminal and conductive aluminum arm of novel isolating switch |
| CN111243887A (en) * | 2019-12-23 | 2020-06-05 | 河南平高电气股份有限公司 | Double-column horizontal rotation type isolating switch and wiring assembly |
-
2010
- 2010-02-04 CN CN201020111821XU patent/CN201663088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354630A (en) * | 2011-09-14 | 2012-02-15 | 安徽意通电力设备有限公司 | Connection mode for main wire connecting terminal and conductive aluminum arm of novel isolating switch |
| CN111243887A (en) * | 2019-12-23 | 2020-06-05 | 河南平高电气股份有限公司 | Double-column horizontal rotation type isolating switch and wiring assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20140204 |