CN201656323U - Torsional operating rod - Google Patents
Torsional operating rod Download PDFInfo
- Publication number
- CN201656323U CN201656323U CN2010201423392U CN201020142339U CN201656323U CN 201656323 U CN201656323 U CN 201656323U CN 2010201423392 U CN2010201423392 U CN 2010201423392U CN 201020142339 U CN201020142339 U CN 201020142339U CN 201656323 U CN201656323 U CN 201656323U
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- China
- Prior art keywords
- epoxy resin
- metallic rod
- layer
- side metallic
- resin pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a torsional operating rod for fast disconnection and connection of high voltage, which comprises an epoxy resin tube (12) with a structure of two layers or more than two layers, a rubber layer (13), an operation side metal rod (11) and a transmission side metal rod (14). The operation side metal rod (11) is connected to one end of the epoxy resin tube (12) through the rubber layer (13), and the transmission side metal rod (14) is connected to the other end of the epoxy resin tube (12) through the rubber layer (13). The torsional operating rod has the advantages of higher mechanical performance, surface insulation performance, heat resistance, moisture absorption resistance, and stable electrical performance.
Description
Technical field
The utility model relates to a kind of stable mechanical performance, the reliable twist operation bar of electric property.
Background technology
In order to improve the reliability of switchgear, reduce equipment volume simultaneously, adopt the multistation structure to substitute single station structure in the isolating switch position of switchgear (GIS), making twist operation substitute the push-and-pull operation becomes good a selection.Simultaneously, because the overhaul of the equipments time is once brought up to maintenance in 10 years once by maintenance in 5 years, the moisture pick-up properties of action bars must be very low, could guarantee that the insulation resistance of insulated tube, dielectric strength can not reduce.In addition, operational load increases, and requires bending, turn round performance and must being multiplied and just can meeting the demands of material.
A kind of twist operation bar of the prior art, as shown in Figure 4, it adopts the poured with epoxy resin material 41 of filling aluminium oxide or quartz sand as insulating material, and the mode by hot setting is connected and fixed the metal joint 42,43 at product two ends.
The shortcoming that this technology exists: 1, poured with epoxy resin material (aluminium oxide or quartz sand) has moisture absorption, and under the long-play, electric property easily descends, and the dielectric surface flashover phenomenon easily takes place.2, contain a certain proportion of powder (aluminium oxide or quartz sand) in the poured with epoxy resin material 41, curing molding and with after metal joint 42,43 is connected, because the poured with epoxy resin material that solidifies belongs to crisp type structure, its mechanical strength is dispersed to be strengthened, and often causes the mechanical strength of product to lose efficacy.3, the poured with epoxy resin product is subjected to raw material, and the process conditions influence is very big.4, poured with epoxy resin moulding mould therefor cost height, a mould can only be produced a kind of single product of form, can't adapt to many kinds, large batch of demand.
The utility model content
The purpose of this utility model provides a kind of stable mechanical performance, the reliable twist operation bar of electric property.
The utility model at first provides a kind of twist operation bar, and this twist operation bar includes: the epoxy resin pipe 12 of two-layer or two-layer above structure, glue-line 13, fore side Metallic rod 11 and transmit side Metallic rod 14; Wherein, fore side Metallic rod 11 is connected in an end of epoxy resin pipe 12 by glue-line 13, transmits side Metallic rod 14 is connected in epoxy resin pipe 12 by glue-line 13 the other end.
The utility model also further provides the optimal technical scheme of above-mentioned twist operation bar:
As preferably, described glue-line 13 is an epoxy glue layer.
As preferably, described epoxy resin pipe 12 has two-layer epoxy resin layer 21, two layers polyester fiber reinforced resin layer 22 and layer of glass resin bed 23.
As preferably, described epoxy resin pipe 12 is respectively epoxy resin layer 21, polyester fiber resin bed 22, glass fiber resin layer 23, polyester fiber resin bed 22 and epoxy resin layer 21 from inside to outside.
As preferably, fore side Metallic rod 11 is fixed in the glass fiber resin layer 23 of epoxy resin pipe 12 1 ends by epoxy glue layer 13; Transmit side Metallic rod 14 is fixed in epoxy resin pipe 12 other ends by epoxy glue layer 13 glass fiber resin layer 23.
As preferably, the thickness of described epoxy resin layer 21 is 0.1～0.15mm, and the thickness of described polyester fiber resin bed 22 is 0.2～0.3mm, and the thickness of described glass fiber resin layer 23 is 3～10mm.
As preferably, has the distance of 25～500mm between fore side Metallic rod 11 and the transmission side Metallic rod 14.
As preferably, keep a gap 31 between the end of described fore side Metallic rod 11 and the epoxy resin pipe 12.
As preferably, keep a gap 31 between the end of described transmission side Metallic rod 14 and the epoxy resin pipe 12.
As preferably, the thickness of described epoxy resin pipe 12 is 3～15mm.
The twist operation bar that the utility model provides is used for cutting fast, closing high pressure, play to support and the insulation against ground effect, bears twisting resistance, and two ends have the insulated tube of metal joint.Because the glue-line in the utility model only plays the binding effect, has avoided the insulator and the metalwork coefficient of expansion different, solved the problem that mechanical performance reduces.In addition, different metal materials such as steel, copper, aluminium etc. all can be connected with insulator, and can keep high mechanical performance.Epoxy resin is adopted on the surface of epoxy resin pipe, has improved the surface insulation performance; Glass fiber resin is adopted in the inside of epoxy resin pipe, has improved the thermal endurance of product.In addition, epoxy resin is adopted on the inside and outside surface of epoxy resin pipe, has reduced the surface porosity factor of this pipe, thereby has reduced the moisture absorption ratio of product, has improved the electric property stability of product.Glass fiber resin layer in the epoxy resin pipe, can be according to various objectives, lay by different angles, obtaining the product of different mechanical performances, as stretch, bending property is high, laying angle is 0～15 °, twisting property is high, laying angle is 75～90 °, can produce the product that different mechanical performances require, mould utilance height with a kind of mould like this.
Description of drawings
Fig. 1 is the cutaway view of the twist operation bar that provides of embodiment 1.
Fig. 2 is the cross-sectional view of epoxy resin pipe 12 among Fig. 1.
Fig. 3 is the broken section enlarged drawing of Fig. 1.
Fig. 4 is the cutaway view of twist operation bar of the prior art.
Among the figure, 12 is the epoxy resin pipe; 13 is glue-line; 11 is the fore side Metallic rod; 14 for transmitting the side Metallic rod; 21 is epoxy resin layer; 22 is the polyester fiber resin bed; 23 is the glass fiber resin layer; 31 is art end and the gap between the epoxy resin pipe 12 or the end of transmission side Metallic rod 14 and the gap between the epoxy resin pipe 12 of fore side Metallic rod 11; 41 is the poured with epoxy resin material; 42 and 43 is metal joint.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and being implemented, but illustrated embodiment is not as to qualification of the present utility model.
Embodiment 1
As shown in Figure 1, this twist operation bar comprises epoxy resin pipe 12, glue-line 13, the fore side Metallic rod 11 of the structure that is of five storeys and transmits side Metallic rod 14; Wherein, fore side Metallic rod 11 is connected in an end of epoxy resin pipe 12 by glue-line 13, transmits side Metallic rod 14 is connected in epoxy resin pipe 12 by glue-line 13 the other end.
As shown in Figure 2, epoxy resin pipe 12 is respectively epoxy resin layer 21, polyester fiber resin bed 22, glass fiber resin layer 23, polyester fiber resin bed 22 and epoxy resin layer 21 from inside to outside.The inside and outside surface of epoxy resin pipe is an epoxy resin layer, has reduced surface porosity factor, thereby has reduced the moisture absorption ratio of product, has improved the electric property stability of product.Polyester fiber resin bed 22 is used to prevent sulphur hexafluoride (SF
6) analyte is to the erosion of glass fibre, to guarantee the stability of glass fiber resin layer 23 mechanical performance and electric property.
The preparation method of epoxy resin pipe 12 is as follows:
The first step is reeled: dacron fabric is wound on the metal bar surface, thickness 0.2～0.3mm; Again glass fabric is continued to be wound on the surface of dacron fabric, thickness 3～10mm; And then dacron fabric is wound on the surface of glass fabric, thickness 0.2～0.3mm.
Second step, curing molding: extract metal bar out, this coiling body is put into the airtight tubular mould of diameter than the big 0.2～0.3mm of coiling body, make the gap of coiling body both sides and mould all be about 0.1～0.15mm, vacuumize, the injection ring epoxy resins is cured moulding then.
The 3rd step, tubular mould is pulled out, make the epoxy resin pipe 12 of sandwich construction.
Epoxy resin pipe 12 passes through the machining mode with the joint face of fore side Metallic rod 11, transmission side Metallic rod 14, is worked into the position of glass fiber resin layer 23, carries out roughening treatment then, i.e. the sand paper hacking; The joint face of fore side Metallic rod 11, transmission side Metallic rod 14 and epoxy resin pipe 12 also carries out blasting treatment, smears epoxy glue layer 13 (using epoxide-resin glue in this example) then in the joint face position.After both joint face butt joints,, make epoxy glue layer 13 that epoxy resin pipe 12 and fore side Metallic rod 11, transmission side Metallic rod 14 are closely linked together by hot setting.
Epoxy resin pipe 12 and fore side Metallic rod 11, the junction of transmitting side Metallic rod 14 keep certain clearance, and the electric field that produces when being used for eliminating three kinds of media and compiling is concentrated gap 31 as shown in Figure 3.
Glass fiber resin layer in the epoxy resin pipe, can be according to various objectives, lay by different angles, obtaining the product of different mechanical performances, as stretch, bending property is high, laying angle is 0～15 °, twisting property is high, laying angle is 75～90 °, can produce the product that different mechanical performances require, mould utilance height with a kind of mould like this.
The twist operation bar that the utility model provides has the characteristics of the electric property of higher mechanical properties, surface insulation performance, heat resistance, anti-moisture absorption energy and stability.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection range of the present utility model is not limited thereto.Being equal to that those skilled in the art are done on the utility model basis substitutes or conversion, and all within protection range of the present utility model, protection range of the present utility model is as the criterion with claims.
Claims (10)
1. a twist operation bar is characterized in that: include epoxy resin pipe (12), glue-line (13), the fore side Metallic rod (11) of two-layer or two-layer above structure and transmit side Metallic rod (14); Wherein, fore side Metallic rod (11) is connected in an end of epoxy resin pipe (12) by glue-line (13), and the Metallic rod (14) of transmitting side is connected in the other end of epoxy resin pipe (12) by glue-line (13).
2. twist operation bar as claimed in claim 1 is characterized in that: described glue-line (13) is an epoxy glue layer.
3. twist operation bar as claimed in claim 2 is characterized in that: described epoxy resin pipe (12) has two-layer epoxy resin layer (21), two layers polyester fiber reinforced resin layer (22) and layer of glass resin bed (23).
4. twist operation bar as claimed in claim 3 is characterized in that: described epoxy resin pipe (12) is respectively epoxy resin layer (21), polyester fiber resin bed (22), glass fiber resin layer (23), polyester fiber resin bed (22) and epoxy resin layer (21) from inside to outside.
5. as claim 3 or 4 described twist operation bars, it is characterized in that: fore side Metallic rod (11) is fixed in the glass fiber resin layer (23) of epoxy resin pipe (12) one ends by epoxy glue layer (13); Transmit side Metallic rod (14) is fixed in epoxy resin pipe (12) other end by epoxy glue layer (13) glass fiber resin layer (23).
6. as claim 3 or 4 described twist operation bars, it is characterized in that: the thickness of described epoxy resin layer (21) is 0.1～0.15mm, the thickness of described polyester fiber resin bed (22) is 0.2～0.3mm, and the thickness of described glass fiber resin layer (23) is 3～10mm.
7. as each described twist operation bar of claim 1～4, it is characterized in that: the distance that has 25～500mm between fore side Metallic rod (11) and the transmission side Metallic rod (14).
8. as each described twist operation bar of claim 1～4, it is characterized in that: keep a gap (31) between the end of described fore side Metallic rod (11) and the epoxy resin pipe (12).
9. as each described twist operation bar of claim 1～4, it is characterized in that: keep a gap (31) between the end of described transmission side Metallic rod (14) and the epoxy resin pipe (12).
10. as each described twist operation bar of claim 1～4, it is characterized in that: the thickness of described epoxy resin pipe (12) is 3～15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201423392U CN201656323U (en) | 2010-03-26 | 2010-03-26 | Torsional operating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201423392U CN201656323U (en) | 2010-03-26 | 2010-03-26 | Torsional operating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656323U true CN201656323U (en) | 2010-11-24 |
Family
ID=43121561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201423392U Expired - Lifetime CN201656323U (en) | 2010-03-26 | 2010-03-26 | Torsional operating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280231A (en) * | 2011-08-16 | 2011-12-14 | 西安立达合成材料开发有限公司 | Fiber insulation tube and manufacturing method thereof |
| CN103975406A (en) * | 2011-11-30 | 2014-08-06 | 伊顿工业(荷兰)有限公司 | Driving rod for medium voltage switching element gear |
-
2010
- 2010-03-26 CN CN2010201423392U patent/CN201656323U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280231A (en) * | 2011-08-16 | 2011-12-14 | 西安立达合成材料开发有限公司 | Fiber insulation tube and manufacturing method thereof |
| CN103975406A (en) * | 2011-11-30 | 2014-08-06 | 伊顿工业(荷兰)有限公司 | Driving rod for medium voltage switching element gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN GAOYUAN LIDA ELECTRICAL CO., LTD. Free format text: FORMER OWNER: XI'AN LIDA SYNTHETIC MATERIAL DEVELOPMENT CO.,LTD. Effective date: 20150713 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150713 Address after: 710399, No. seven, No. 3, Xi'an Industrial Park, Huxian, Shaanxi, China Patentee after: Xi'an high margin Lida Electric Co. Ltd. Address before: 710119, Shaanxi Xi'an hi tech Zone, new industrial park, pioneering Road, building B1, vice first floor Patentee before: Xi'an Lida Synthetic Material Development Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |