CN103337404A - Isolation switch and fixing device of composite shaft sleeves of isolation switch - Google Patents
Isolation switch and fixing device of composite shaft sleeves of isolation switch Download PDFInfo
- Publication number
- CN103337404A CN103337404A CN2013103144772A CN201310314477A CN103337404A CN 103337404 A CN103337404 A CN 103337404A CN 2013103144772 A CN2013103144772 A CN 2013103144772A CN 201310314477 A CN201310314477 A CN 201310314477A CN 103337404 A CN103337404 A CN 103337404A
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- composite shaft
- shaft sleeve
- upper plate
- square tube
- lower plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 76
- 238000002955 isolation Methods 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000036316 preload Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The invention discloses a fixing device of composite shaft sleeves of an isolation switch. The fixing device comprises a square pipe, a first composite shaft sleeve, a second composite shaft sleeve, an upper plate, a lower plate and screw rods, wherein the upper plate is attached with the upper end surface of the square pipe, the lower plate is attached with the lower end surface of the square pipe, the screw rods penetrate through the upper plate and the lower plate and are positioned at the two sides of the square pipe, the two ends of each screw rod are respectively provided with a tightening nut, the upper plate and the lower plate are relatively fixed through the screw rods and the tightening nuts, a vertical connecting rod of the isolation switch penetrates through the upper plate, the lower plate and the square pipe, the first composite shaft sleeve is arranged between the vertical connecting rod and the upper plate, and the second composite shaft sleeve is arranged between the vertical connecting rod and the lower plate. By adopting the structure design, the fixing device of the composite shaft sleeves of the isolation switch can effectively solve the problem of unfirm fixing of the vertical connecting rod. The invention also discloses the isolation switch using the fixing device of the composite shaft sleeves.
Description
Technical field
High-voltage switch gear technical field of the present invention more particularly, relates to the fixture of a kind of isolating switch and composite shaft sleeve thereof.
Background technology
Three post horizontal rotation type double break mouth high-voltage alternating current isolating switchs are widely used in the 220kV outdoor power distribution unit and realize electrical isolation.
Isolating switch comprises three insulators that are arranged side by side, be positioned at the supporting insulator that is of both sides, middle is rotating insulated son, the supporting insulator top is provided with fixed contact 03, rotating insulated sub-top is by the support turning arm that to be provided with this rotating insulated son be rotation centerline, and the two ends of turning arm are provided with moving contact.Wherein the vertical links of isolating switch is generally fixing by square tube 04, and after being about to square tube 01 and fixedly installing, vertical links 02 passes square tube, and the contact position of vertical links 02 and square tube wall is provided with the composite shaft sleeve 01 that is embedded in square tube, as shown in Figure 1.Yet so arrange, when vertical links rotated, its driving force will be by the concentrated position that composite shaft sleeve is set that acts on square tube of composite shaft sleeve, made the discontinuity equalization of square tube, and then the fixed vertical connecting rod is firm inadequately.
In sum, how solving the firm inadequately problem of fixing of vertical links effectively, is present those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of fixture of composite shaft sleeve of isolating switch, the structural design of the fixture of the composite shaft sleeve of this isolating switch can solve the firm inadequately problem of fixing of vertical links effectively, and second purpose of the present invention provides a kind of isolating switch that comprises the fixture of above-mentioned composite shaft sleeve.
In order to reach above-mentioned first purpose, the invention provides following technical scheme:
A kind of fixture of composite shaft sleeve of isolating switch comprises square tube, also comprises:
Upper plate with the applying of described square tube upper surface;
Lower plate with the applying of described square tube lower surface;
And pass described upper plate and lower plate and be positioned at the screw rod of described square tube both sides, and the two ends of described screw rod are provided with clamp nut, and described upper plate and lower plate are by screw rod and clamp nut relative fixed;
The vertical links of described isolating switch passes upper plate, lower plate and square tube, and described first composite shaft sleeve is arranged between vertical links and the described upper plate, and described second composite shaft sleeve is arranged between vertical links and the described lower plate.
Preferably, described upper plate and lower plate are flat board, and the both sides of square tube are all stretched out in the both sides of described upper plate and lower plate.
Preferably, the metal sleeve that is sheathed on the described vertical links outside is also fixedly arranged on the described upper plate, and described first composite shaft sleeve is arranged between described metal sleeve and the vertical links.
Preferably, the cross section of described upper plate and lower plate is U-shaped, and the both sides of described upper plate and lower plate are provided be used to the mounting ear that passes described screw rod.
Preferably, the metal sleeve that is sheathed on the described vertical links outside is also fixedly arranged on the described upper plate, and described first composite shaft sleeve is arranged between described metal sleeve and the vertical links.
Preferably, the quantity of described screw rod is four, and the both sides of described square tube are respectively arranged with two.
Preferably, also be provided with stainless steel packing ring and stainless steel spring packing ring between described pre-load nut and upper plate or the lower plate.
A kind of isolating switch, comprise above-mentioned in the fixture of each described composite shaft sleeve.
The fixture of the composite shaft sleeve of isolating switch provided by the invention comprises square tube, upper plate, lower plate screw rod, clamp nut, first composite shaft sleeve and second composite shaft sleeve.Wherein, fit in the upper surface of upper plate and square tube, fit in the lower surface of lower plate and square tube, screw rod passes upper plate and lower plate simultaneously and uses and is arranged on the clamp nut at screw rod two ends with upper plate and lower plate relative fixed, i.e. effect by screw rod and clamp nut, the upper surface that upper plate fits tightly square tube simultaneously lower plate fits tightly the lower surface of square tube, and screw rod is positioned at the both sides of square tube, be that the square tube both sides are provided with screw rod, the common cooperation of the lower plate of the upper plate of square tube top, square tube below and square tube both sides screw rod is established the square tube folder and is fixed therein, and forms the anchor ear structure.In addition, the vertical links of isolating switch passes upper plate, lower plate and square tube, and is provided with first composite shaft sleeve between vertical links and the upper plate, is provided with second composite shaft sleeve between vertical links and the lower plate, to realize the rotation of vertical links.
When using the fixture of composite shaft sleeve of isolating switch provided by the invention, because the upper plate of square tube top, the lower plate of square tube below and square tube both sides screw rod be common cooperate with the square tube folder establish be fixed in the middle of, form the anchor ear structure, and first composite shaft sleeve be arranged between vertical links and the upper plate, second composite shaft sleeve is arranged between vertical links and the lower plate, when vertical links rotates, its driving force will be concentrated by first composite shaft sleeve and second composite shaft sleeve and act on upper plate and the lower plate, and upper plate contacts with the upper surface of square tube and the lower surface of lower plate square tube, therefore act on the active force on upper plate and the lower plate, can contact by face, balanced is delivered on the square tube, make the stress equalization of square tube, and upper plate, lower plate and screw rod form the anchor ear structure and square tube are folded in middle, make square tube more firm, and then make the fixing more firm of vertical links.
In order to reach above-mentioned second purpose, the present invention also provides a kind of isolating switch, and this isolating switch comprises the fixture of above-mentioned any composite shaft sleeve.Because the fixture of above-mentioned composite shaft sleeve has above-mentioned technique effect, the isolating switch with fixture of this composite shaft sleeve also should have corresponding technique effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the fixture of the composite shaft sleeve of the vertical links that provides in the prior art is provided Fig. 1;
The structural representation of the fixture of the composite shaft sleeve of the vertical links that Fig. 2 provides for the embodiment of the invention.
Mark is as follows in the accompanying drawing:
01-composite shaft sleeve, 02-vertical links, 03-fixed contact, 04-square tube;
1-upper plate, 11-metal sleeve, 2-first composite shaft sleeve, 3-screw rod, 4-clamp nut, 5-second composite shaft sleeve, 6-vertical links, 7-square tube.
Embodiment
First purpose of the present invention is to provide a kind of fixture of composite shaft sleeve of isolating switch, the structural design of the fixture of the composite shaft sleeve of this isolating switch can solve the firm inadequately problem of fixing of vertical links effectively, and second purpose of the present invention provides a kind of isolating switch that comprises the fixture of above-mentioned composite shaft sleeve.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 2, the fixture of the composite shaft sleeve of the isolating switch that the embodiment of the invention provides comprises square tube 7, upper plate 1, lower plate screw rod 3, clamp nut 4, first composite shaft sleeve 2 and second composite shaft sleeve 5.Wherein, upper plate 1 is fitted with the upper surface of square tube 7, fit in the lower surface of lower plate and square tube 7, screw rod 3 passes upper plate 1 and lower plate simultaneously and uses and is arranged on the clamp nut 4 at screw rod 3 two ends with upper plate 1 and lower plate relative fixed, namely pass through the effect of screw rod 3 and clamp nut 4, the upper surface that upper plate 1 fits tightly square tube 7 simultaneously lower plate fits tightly the lower surface of square tube 7, and screw rod 3 is positioned at the both sides of square tube 7, be that square tube 7 both sides are provided with screw rod 3, the upper plate 1 of square tube 7 tops, the lower plate of square tube 7 belows and the 3 common cooperations of square tube 7 both sides screw rods are established square tube 7 folders and are fixed therein, and form the anchor ear structure.In addition, the vertical links 6 of isolating switch passes upper plate 1, lower plate and square tube 7, and is provided with first composite shaft sleeve 2 between vertical links 6 and the upper plate 1, is provided with second composite shaft sleeve 5 between vertical links 6 and the lower plate, to realize the rotation of vertical links 6.
When using the fixture of composite shaft sleeve of the isolating switch that the embodiment of the invention provides, because the upper plate 1 of square tube 7 tops, the lower plate of square tube 7 belows and the 3 common cooperations of square tube 7 both sides screw rods are established square tube 7 folders and are fixed on the centre, form the anchor ear structure, and first composite shaft sleeve 2 be arranged between vertical links 6 and the upper plate 1, second composite shaft sleeve 5 is arranged between vertical links 6 and the lower plate, when vertical links 6 rotates, its driving force will be concentrated by first composite shaft sleeve 2 and second composite shaft sleeve 5 and act on upper plate 1 and the lower plate, and upper plate 1 contacts with the upper surface of square tube 7 and the lower surface of lower plate square tube 7, therefore act on the active force on upper plate 1 and the lower plate, can contact by face, balanced is delivered on the square tube 7, make the stress equalization of square tube 7, and upper plate 1, lower plate and screw rod 3 form the anchor ear structure and square tube 7 are folded in middle, make that square tube 7 is more firm, and then make the fixing more firm of vertical links 6.
In order further to optimize technique scheme, wherein upper plate 1 and lower plate can be flat board, and the both sides of upper plate 1 and lower plate all stretch out the both sides of square tube 7, and namely the width of upper plate 1 and lower plate is all greater than the width of square tube 7.During installation, the both sides of square tube 7 are all stretched out in the both sides of upper plate 1 and lower plate, are convenient to stretch out position installation screw rod 3 and the clamp nut 4 of square tube 7 at upper plate 1 and lower plate.Further, on the upper plate 1 metal sleeve 11 that is sheathed on vertical links 6 outsides can also be arranged fixedly, and first composite shaft sleeve 2 is arranged between metal sleeve 11 and the vertical links 6, be to offer on the upper plate 1 be used to the perforate of passing vertical links 6, fixedly there is metal sleeve 11 at the edge of perforate, metal sleeve 11 is set in vertical links 6 outsides and first composite shaft sleeve 2 is arranged between metal sleeve 11 and the vertical links 6, so arrange, when vertical links 6 rotates, its driving force directly acts on the metal sleeve 11 by first composite shaft sleeve 2, be delivered to uniformly on the upper plate 1 by metal sleeve 11 then, make stressed more balanced.
In addition, the cross section of upper plate 1 and lower plate can be U-shaped, and the both sides of upper plate 1 and lower plate are provided be used to the mounting ear that passes screw rod 3, like this then U-shaped bottom surface upper plate 1 contacts with the upper surface of square tube 7, U-shaped side can with the part contacts side surfaces of square tube 7, same, the U-shaped bottom surface of lower plate contacts with the lower surface of square tube 7, U-shaped side can with the part contacts side surfaces of square tube 7, the contact area that has increased upper plate 1 and lower plate and square tube 7 so is set, when active force was delivered on the square tube 7 by upper plate 1 and lower plate, contact area was big, made that the transmission of active force is more balanced.The effect that can pass through mounting ear, screw rod 3 and the clamp nut 4 of upper plate 1 and lower plate in addition equally forms the anchor ear structure, and square tube 7 is folded in middle.Further, on the U-shaped upper plate 1 metal sleeve 11 that is sheathed on vertical links 6 outsides can also be arranged fixedly, and first composite shaft sleeve 2 is arranged between metal sleeve 11 and the vertical links 6, be to offer on the upper plate 1 be used to the perforate of passing vertical links 6, fixedly there is metal sleeve 11 at the edge of perforate, metal sleeve 11 is set in vertical links 6 outsides and first composite shaft sleeve 2 is arranged between metal sleeve 11 and the vertical links 6, so arrange, when vertical links 6 rotates, its driving force directly acts on the metal sleeve 11 by first composite shaft sleeve 2, be delivered to uniformly on the upper plate 1 by metal sleeve 11 then, make stressed more balanced.
Certainly, upper plate 1 and lower plate can also be other shapes, are trapezoidal such as the cross section of upper plate 1 and lower plate, do not limit at this.
Wherein, the quantity of screw rod 3 can be four, and the both sides of square tube 7 are respectively arranged with two.Certainly the quantity of screw rod 3 can also be more, such as the six roots of sensation, does not limit at this.
In addition, all fit tightly with square tube 7 in order to guarantee upper plate 1 and lower plate, prevent from becoming flexible, stainless steel packing ring and stainless steel spring packing ring can also be set between pre-load nut and upper plate 1 or the lower plate.
Based on the fixture of the composite shaft sleeve that provides in above-described embodiment, the present invention also provides a kind of isolating switch, and this isolating switch comprises the fixture of any one composite shaft sleeve in above-described embodiment.Because this isolating switch has adopted the fixture of the composite shaft sleeve in above-described embodiment, so the beneficial effect of this isolating switch please refer to above-described embodiment.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the fixture of the composite shaft sleeve of an isolating switch comprises square tube (7), first composite shaft sleeve (2) and second composite shaft sleeve (5), it is characterized in that, also comprises:
Upper plate (1) with the applying of described square tube (7) upper surface;
Lower plate with the applying of described square tube (7) lower surface;
And pass described upper plate (1) and lower plate and be positioned at the screw rod (3) of described square tube (7) both sides, and the two ends of described screw rod (3) are provided with clamp nut (4), and described upper plate (1) and lower plate are by screw rod (3) and clamp nut (4) relative fixed;
The vertical links of described isolating switch (6) passes upper plate (1), lower plate and square tube (7), and described first composite shaft sleeve (2) is arranged between vertical links (6) and the described upper plate (1), and described second composite shaft sleeve (5) is arranged between vertical links (6) and the described lower plate.
2. the fixture of the composite shaft sleeve of isolating switch according to claim 1 is characterized in that, described upper plate (1) and lower plate are flat board, and the both sides of square tube (7) are all stretched out in the both sides of described upper plate (1) and lower plate.
3. the fixture of the composite shaft sleeve of isolating switch according to claim 2, it is characterized in that, the metal sleeve (11) that is sheathed on described vertical links (6) outside is also fixedly arranged on the described upper plate (1), and described first composite shaft sleeve (2) is arranged between described metal sleeve (11) and the vertical links (6).
4. the fixture of the composite shaft sleeve of isolating switch according to claim 1, it is characterized in that, the cross section of described upper plate (1) and lower plate is U-shaped, and the both sides of described upper plate (1) and lower plate are provided be used to the mounting ear that passes described screw rod (3).
5. the fixture of the composite shaft sleeve of isolating switch according to claim 4, it is characterized in that, the metal sleeve (11) that is sheathed on described vertical links (6) outside is also fixedly arranged on the described upper plate (1), and described first composite shaft sleeve (2) is arranged between described metal sleeve (11) and the vertical links (6).
6. the fixture of the composite shaft sleeve of isolating switch according to claim 1 is characterized in that, the quantity of described screw rod (3) is four, and the both sides of described square tube (7) are respectively arranged with two.
7. the fixture of the composite shaft sleeve of isolating switch according to claim 1 is characterized in that, also is provided with stainless steel packing ring and stainless steel spring packing ring between described pre-load nut and upper plate (1) or the lower plate.
8. an isolating switch is characterized in that, comprises as the fixture of composite shaft sleeve as described in each among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314477.2A CN103337404B (en) | 2013-07-24 | 2013-07-24 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314477.2A CN103337404B (en) | 2013-07-24 | 2013-07-24 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103337404A true CN103337404A (en) | 2013-10-02 |
| CN103337404B CN103337404B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314477.2A Active CN103337404B (en) | 2013-07-24 | 2013-07-24 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103337404B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610239A (en) * | 2004-11-12 | 2005-04-27 | 南京航空航天大学 | Cylinder non-contact ultrasound electric machine |
| CN201387837Y (en) * | 2009-04-28 | 2010-01-20 | 山东泰开隔离开关有限公司 | Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch |
| CN201576604U (en) * | 2009-12-14 | 2010-09-08 | 山东泰开隔离开关有限公司 | Single-column telescopic outdoor high-voltage alternating-current disconnector |
| CN202855605U (en) * | 2012-09-29 | 2013-04-03 | 山东泰开隔离开关有限公司 | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector |
| CN203553014U (en) * | 2013-07-24 | 2014-04-16 | 国家电网公司 | Fixing device for isolating switch and composite bushings thereof |
-
2013
- 2013-07-24 CN CN201310314477.2A patent/CN103337404B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610239A (en) * | 2004-11-12 | 2005-04-27 | 南京航空航天大学 | Cylinder non-contact ultrasound electric machine |
| CN201387837Y (en) * | 2009-04-28 | 2010-01-20 | 山东泰开隔离开关有限公司 | Dual-column horizontal retractable outdoor three-phase high voltage AC isolating switch |
| CN201576604U (en) * | 2009-12-14 | 2010-09-08 | 山东泰开隔离开关有限公司 | Single-column telescopic outdoor high-voltage alternating-current disconnector |
| CN202855605U (en) * | 2012-09-29 | 2013-04-03 | 山东泰开隔离开关有限公司 | Three-column horizontal double-fracture turnover-type outdoor high-voltage alternating-current disconnector |
| CN203553014U (en) * | 2013-07-24 | 2014-04-16 | 国家电网公司 | Fixing device for isolating switch and composite bushings thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103337404B (en) | 2015-04-01 |
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