CN203553014U - Fixing device for isolating switch and composite bushings thereof - Google Patents
Fixing device for isolating switch and composite bushings thereof Download PDFInfo
- Publication number
- CN203553014U CN203553014U CN201320445184.3U CN201320445184U CN203553014U CN 203553014 U CN203553014 U CN 203553014U CN 201320445184 U CN201320445184 U CN 201320445184U CN 203553014 U CN203553014 U CN 203553014U
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- China
- Prior art keywords
- square tube
- shaft sleeve
- upper plate
- composite shaft
- isolating switch
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- Expired - Lifetime
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- 239000002131 composite material Substances 0.000 title claims abstract description 75
- 239000002184 metal Substances 0.000 claims description 23
- 238000010030 laminating Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000036316 preload Effects 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
- 238000002955 isolation Methods 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 utility model discloses a fixing device for composite bushings of an isolating switch, which comprises a square tube, a first composite bushing and a second composite bushing. The fixing device further comprises the components of: an upper board which abuts against the upper end surface of the square tube; a lower board which abuts against the lower end surface of the square tube; and screw rods which pass through the upper board and the lower board and are arranged at two sides of the square tube. Furthermore two ends of each screw rod are respectively provided with a fastening nut. The upper board and the lower board are relatively fixed through the screw rods and the fastening nuts. A vertical connecting rod of the isolating switch penetrates through the upper board, the lower board and the square tube. Furthermore the first composite bushing is arranged between the vertical connecting rod and the upper board. The second composite bushing is arranged between the vertical connecting rod and the lower board. Structure design of the fixing device for the composite bushings of the isolating switch can effectively settle a problem of no enough fixation for the vertical connecting rod. The utility model further discloses an isolating switch with the fixing device for the composite bushings.
Description
Technical field
The utility model high-voltage switch gear technical field, 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-fracture high-voltage alternating current isolating switchs, are widely used in 220kV outdoor power distribution unit and realize electrical isolation.
Isolating switch comprises three insulators that are arranged side by side, what be positioned at both sides is supporting insulator, middle is rotating insulated son, supporting insulator top is provided with fixed contact 03, rotating insulated sub-top is provided with and is take the turning arm that this rotating insulated son is rotation centerline by support, 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 being fixedly installed, vertical links 02 is through square tube, and vertical links 02 is provided with the contact position of square tube wall the composite shaft sleeve 01 that is embedded in square tube, as shown in Figure 1.Yet so arrange, when vertical links rotates, its driving force will be concentrated the position that composite shaft sleeve is set that acts on square tube by composite shaft sleeve, make the discontinuity equalization of square tube, and then fixed vertical connecting rod is firm not.
In sum, how effectively solving the fixing not firmly problem of vertical links, is current those skilled in the art's urgent problem.
Utility model content
In view of this, first object of the present utility model 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 fixing not firmly problem of vertical links effectively, and second object of the present utility model is to provide a kind of isolating switch that comprises the fixture of above-mentioned composite shaft sleeve.
In order to reach above-mentioned first object, the utility model provides following technical scheme:
A fixture for the composite shaft sleeve of isolating switch, comprises square tube, also comprises:
Upper plate with the laminating of described square tube upper surface;
Lower plate with the laminating of described square tube lower surface;
And through 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 is relative fixing by screw rod and clamp nut with lower plate;
The vertical links of described isolating switch is through upper plate, lower plate and square tube, and described the first composite shaft sleeve is arranged between vertical links and described upper plate, and described the second composite shaft sleeve is arranged between vertical links and 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, on described upper plate, be also fixed with the metal sleeve that is sheathed on described vertical links outside, and described the first composite shaft sleeve is arranged between described metal sleeve and 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 with for the mounting ear through described screw rod.
Preferably, on described upper plate, be also fixed with the metal sleeve that is sheathed on described vertical links outside, and described the first composite shaft sleeve is arranged between described metal sleeve and 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, between described pre-load nut and upper plate or lower plate, be also provided with stainless steel packing ring and stainless steel spring packing ring.
An isolating switch, comprises the fixture of composite shaft sleeve described in above-mentioned middle any one.
The fixture of the composite shaft sleeve of the isolating switch that the utility model provides, comprises square tube, upper plate, lower plate screw rod, clamp nut, the first composite shaft sleeve and the second composite shaft sleeve.Wherein, the upper surface laminating of upper plate and square tube, the lower surface laminating of lower plate and square tube, screw rod is simultaneously through upper plate and lower plate upper plate is relative with lower plate fixing with the clamp nut that is arranged on screw rod two ends, by the effect of 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 square tube both sides are provided with screw rod, 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 fixed therein square tube sandwiched, forms hooping structure.In addition, the vertical links of isolating switch passes upper plate, lower plate and square tube, and between vertical links and upper plate, is provided with the first composite shaft sleeve, is provided with the second composite shaft sleeve, to realize the rotation of vertical links between vertical links and lower plate.
During the fixture of the composite shaft sleeve of the isolating switch that provides of application the utility model, upper plate due to square tube top, in the middle of the common cooperation of the lower plate of square tube below and square tube both sides screw rod is fixed on square tube sandwiched, form hooping structure, and first composite shaft sleeve be arranged between vertical links and upper plate, the second composite shaft sleeve is arranged between vertical links and lower plate, when vertical links rotates, its driving force will be concentrated and be acted in upper plate and lower plate by the first composite shaft sleeve and the second composite shaft sleeve, 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 in upper plate and lower plate, can contact by face, more balanced is delivered in square tube, make the stress equalization of square tube, and upper plate, lower plate and screw rod form hooping structure and square tube are folded in middle, make square tube more firm, and then make fixing of vertical links more firm.
In order to reach above-mentioned second object, the utility model 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 the fixture of this composite shaft sleeve also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the fixture of the composite shaft sleeve that Fig. 1 is the vertical links that provides in prior art;
The structural representation of the fixture of the composite shaft sleeve of the vertical links that Fig. 2 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
01-composite shaft sleeve, 02-vertical links, 03-fixed contact, 04-square tube;
1-upper plate, 11-metal sleeve, 2-the first composite shaft sleeve, 3-screw rod, 4-clamp nut, 5-the second composite shaft sleeve, 6-vertical links, 7-square tube.
Embodiment
First object of the present utility model 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 fixing not firmly problem of vertical links effectively, and second object of the present utility model is to provide a kind of isolating switch that comprises the fixture of above-mentioned composite shaft sleeve.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 2, the fixture of the composite shaft sleeve of the isolating switch that the utility model embodiment provides, comprises square tube 7, upper plate 1, lower plate screw rod 3, clamp nut 4, the first composite shaft sleeve 2 and the second composite shaft sleeve 5.Wherein, upper plate 1 is fitted with the upper surface of square tube 7, the lower surface laminating of lower plate and square tube 7, screw rod 3 is simultaneously through upper plate 1 and lower plate upper plate 1 is relative with lower plate fixing with the clamp nut 4 that is arranged on screw rod 3 two ends, by 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 7 common cooperations of both sides screw rod 3 of square tube are fixed therein square tube 7 sandwicheds, form hooping structure.In addition, the vertical links 6 of isolating switch passes upper plate 1, lower plate and square tube 7, and between vertical links 6 and upper plate 1, is provided with the first composite shaft sleeve 2, is provided with the second composite shaft sleeve 5, to realize the rotation of vertical links 6 between vertical links 6 and lower plate.
During the fixture of the composite shaft sleeve of the isolating switch that application the utility model embodiment provides, upper plate 1 due to square tube 7 tops, in the middle of the lower plate of square tube 7 belows and the common cooperation of square tube 7 both sides screw rods 3 are fixed on square tube 7 sandwicheds, form hooping structure, and first composite shaft sleeve 2 be arranged between vertical links 6 and upper plate 1, the second composite shaft sleeve 5 is arranged between vertical links 6 and lower plate, when vertical links 6 rotates, its driving force will be concentrated and be acted in upper plate 1 and lower plate by the first composite shaft sleeve 2 and the second composite shaft sleeve 5, 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 in upper plate 1 and lower plate, can contact by face, more balanced is delivered in square tube 7, make the stress equalization of square tube 7, and upper plate 1, lower plate and screw rod 3 form hooping structure and square tube 7 are folded in middle, make square tube 7 more firm, and then make fixing of vertical links 6 more firm.
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 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 upper plate 1, can also be fixed with the metal sleeve 11 that is sheathed on vertical links 6 outsides, and the first composite shaft sleeve 2 is arranged between metal sleeve 11 and vertical links 6, it is the perforate offering on upper plate 1 for through vertical links 6, the edge of perforate is fixed with metal sleeve 11, metal sleeve 11 is set in vertical links 6 outsides and the first composite shaft sleeve 2 is arranged between metal sleeve 11 and vertical links 6, so arrange, when vertical links 6 rotates, its driving force directly acts on metal sleeve 11 by the first composite shaft sleeve 2, then by metal sleeve 11, be delivered to uniformly on upper plate 1, 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 with for the mounting ear through screw rod 3, U-shaped bottom surface like this 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 is so set, when active force is delivered in square tube 7 by upper plate 1 and lower plate, contact area is large, make the transmission of active force more balanced.The effect that can pass through equally in addition mounting ear, screw rod 3 and the clamp nut 4 of upper plate 1 and lower plate forms hooping structure, and in the middle of square tube 7 is folded in.Further, on U-shaped upper plate 1, can also be fixed with the metal sleeve 11 that is sheathed on vertical links 6 outsides, and the first composite shaft sleeve 2 is arranged between metal sleeve 11 and vertical links 6, it is the perforate offering on upper plate 1 for through vertical links 6, the edge of perforate is fixed with metal sleeve 11, metal sleeve 11 is set in vertical links 6 outsides and the first composite shaft sleeve 2 is arranged between metal sleeve 11 and vertical links 6, so arrange, when vertical links 6 rotates, its driving force directly acts on metal sleeve 11 by the first composite shaft sleeve 2, then by metal sleeve 11, be delivered to uniformly on upper plate 1, make stressed more balanced.
Certainly, upper plate 1 and lower plate can also be other shapes, such as the cross section of upper plate 1 and lower plate is trapezoidal, in this no limit.
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, in this no limit.
In addition, in order to guarantee that upper plate 1 and lower plate all fit tightly with square tube 7, 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 lower plate.
The fixture of the composite shaft sleeve based on providing in above-described embodiment, the utility model 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.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a fixture for the composite shaft sleeve of isolating switch, comprises square tube (7), the first composite shaft sleeve (2) and the second composite shaft sleeve (5), it is characterized in that, also comprises:
Upper plate (1) with the laminating of described square tube (7) upper surface;
Lower plate with the laminating of described square tube (7) lower surface;
And through 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), described upper plate (1) is relative fixing by screw rod (3) and clamp nut (4) with lower plate;
The vertical links of described isolating switch (6) is through upper plate (1), lower plate and square tube (7), and described the first composite shaft sleeve (2) is arranged between vertical links (6) and described upper plate (1), and described the second composite shaft sleeve (5) is arranged between vertical links (6) and 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, on described upper plate (1), be also fixed with the metal sleeve (11) that is sheathed on described vertical links (6) outside, and described the first composite shaft sleeve (2) is arranged between described metal sleeve (11) and 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 with for the mounting ear through described screw rod (3).
5. the fixture of the composite shaft sleeve of isolating switch according to claim 4, it is characterized in that, on described upper plate (1), be also fixed with the metal sleeve (11) that is sheathed on described vertical links (6) outside, and described the first composite shaft sleeve (2) is arranged between described metal sleeve (11) and 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. an isolating switch, is characterized in that, comprises the fixture of composite shaft sleeve as described in any one in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445184.3U CN203553014U (en) | 2013-07-24 | 2013-07-24 | Fixing device for isolating switch and composite bushings thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445184.3U CN203553014U (en) | 2013-07-24 | 2013-07-24 | Fixing device for isolating switch and composite bushings thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553014U true CN203553014U (en) | 2014-04-16 |
Family
ID=50471095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445184.3U Expired - Lifetime CN203553014U (en) | 2013-07-24 | 2013-07-24 | Fixing device for isolating switch and composite bushings thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN103961030A (en) * | 2014-04-23 | 2014-08-06 | 苏州科比电器有限公司 | Circuit board device of embedded dust collector |
-
2013
- 2013-07-24 CN CN201320445184.3U patent/CN203553014U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337404A (en) * | 2013-07-24 | 2013-10-02 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN103337404B (en) * | 2013-07-24 | 2015-04-01 | 国家电网公司 | Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| CN103961030A (en) * | 2014-04-23 | 2014-08-06 | 苏州科比电器有限公司 | Circuit board device of embedded dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |