CN201282062Y - Three-station grounding switch main shaft with movable contact capable of being mounted - Google Patents
Three-station grounding switch main shaft with movable contact capable of being mounted Download PDFInfo
- Publication number
- CN201282062Y CN201282062Y CNU2008201549410U CN200820154941U CN201282062Y CN 201282062 Y CN201282062 Y CN 201282062Y CN U2008201549410 U CNU2008201549410 U CN U2008201549410U CN 200820154941 U CN200820154941 U CN 200820154941U CN 201282062 Y CN201282062 Y CN 201282062Y
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- China
- Prior art keywords
- moving contact
- transmission shaft
- battens
- power transmission
- spindle nose
- Prior art date
- 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 - Fee Related
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Abstract
The utility model discloses a main shaft of a moving contact mountable three-station ground switch, which includes a transmission shaft and three-phase moving contact components. The main shaft is characterized in that the transmission shaft is made of an insulating material, and the three-phase moving contact components adopt demountable fixing elements mounted on the transmission shaft at intervals. Compared with the prior art, the utility model has obvious advantages as follows: 1) the material of the transmission shaft is formed by drawing and squeezing epoxy fiberglass, thereby facilitating production in batch mode; and 2) every moving contact component adopts the demountable fixing elements mounted on the transmission shaft at intervals, so that the installation is flexible and convenient, and the maintenance and the part replacement are facilitated.
Description
Technical field
The utility model relates to the high-voltage switch gear technical field, relates in particular to a kind of high pressure three station earthed switches, but particularly moving contact installing type three station earthed switch main shafts.
Background technology
High pressure three station earthed switches are used for the high-pressure side of network transformer, at " branch " station, network transformer and end of incoming cables are isolated; at " closing " station; the end of incoming cables makes the network transformer high-pressure side charged, at " ground connection " station, makes end of incoming cables three-phase shortcircuit and protective ground.
In conventional art, the main shaft of high pressure three station earthed switches, as shown in Figure 1, comprise a power transmission shaft 2 that constitutes by insulated tube, one end of power transmission shaft 2 is equipped with locating part 1, three-phase moving contact assembly 3 is enclosed within on the power transmission shaft 2 by certain distance, and the mold pressing spacer dimple pipe 4 usefulness wrapped with insulation on the power transmission shaft between adjacent two moving contact components 3 are solidified through mold pressing and formed.Steering force drives power transmission shaft 2 and rotates, and by locating part three-phase moving contact assembly 3 is accurately positioned in " branch ", " closing ", " ground connection " three stations.
The main axle structure of this high pressure three station earthed switches has the following disadvantages: be not easy to safeguard that in case one group of moving contact component 3 has damage, the main shaft of necessary integral replacing high pressure three station earthed switches has caused the rising of maintenance cost.
The utility model content
The utility model is intended to overcome the above-mentioned technical deficiency that existing high pressure three station earthed switch main shafts exist, but and a kind of moving contact installing type three station earthed switch main shafts that propose.
Technical problem to be solved in the utility model can realize by the following technical solutions:
But moving contact installing type three station earthed switch main shafts comprise power transmission shaft and three-phase moving contact assembly, it is characterized in that, described power transmission shaft adopts insulating material to make, and described three-phase moving contact assembly adopts dismountable retaining element to be installed on the power transmission shaft at interval.
In a preferred embodiment of the present utility model, two ends spindle nose and middle two battens that described power transmission shaft is made by insulating material assemble, and fixedlying connected with the two ends spindle nose by securing member in the two ends of two battens, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on two battens, and each moving contact component is fixed on two battens by two groups of dismountable retaining elements that are arranged on these moving contact component both sides and be installed on two battens; Every group of dismountable retaining element comprises the bolt that passes two battens and is spun on the nut on this bolt and is enclosed within on this bolt and the keeper between two battens that described moving contact component relies on two groups of keepers location in dismountable retaining element.
In another preferred embodiment of the present utility model, the mid portion of described power transmission shaft is a square tube, and the two ends spindle nose is circular, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on the square tube, and each moving contact component is fixed on the square tube by two groups of dismountable retaining elements that are arranged on these moving contact component both sides and be installed on the square tube; Every group of dismountable retaining element comprises that the location-plate that adopts securing member to be fixed on the square tube constitutes, and described moving contact component relies on two groups of location-plate location in dismountable retaining element.
In another preferred embodiment of the present utility model, the mid portion of described power transmission shaft is the external splines body, and the two ends spindle nose is circular, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on the external splines body, and each moving contact component is fixed on the external splines body by the spacer that is arranged on these moving contact component both sides and be set on the external splines body, and outermost positioning sleeve is fixed on the spline body by rivet.
Described external splines body is the external splines body.
Each part of power transmission shaft of the present utility model is the epoxy fibreglass formed by extrusion and tension, so that produce in enormous quantities.
Because the utility model has adopted above technical scheme, compared with prior art, has following remarkable advantage:
1) material of transmission shaft adopts the epoxy fibreglass formed by extrusion and tension, is convenient to produce in enormous quantities;
2) each moving contact component adopts dismountable retaining element to be installed on the power transmission shaft, installs very flexible, convenience, also is convenient to simultaneously safeguard and part exchanging.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the main axle structure schematic diagram of three station earthed switches of conventional art.
Fig. 2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the structural representation of the utility model embodiment 2.
Fig. 4 is the structural representation of the utility model embodiment 3;
Fig. 5 is the structural representation of the power transmission shaft of the utility model embodiment 3.
Embodiment
For further to structure of the present utility model, use and feature thereof darker one deck being arranged, preferred embodiment is now enumerated in clear and definite, full and accurate understanding and understanding, and conjunction with figs. is described in detail as follows:
Referring to Fig. 2, but moving contact installing type three station earthed switch main shafts comprise power transmission shaft and three-phase moving contact assembly 24.Two ends spindle nose 26 and middle two battens 22 that power transmission shaft is made by insulating material assemble, and fixedlying connected with two ends spindle nose 26 by 4 bolts 27 in the two ends of two battens 22, on a spindle nose 26 locating part 21 is installed therein.Offer porosely on the contact mounting panel of three-phase moving contact assembly 24, three-phase moving contact assembly 24 just can be contained on two battens 22 by spacer sleeve like this.In actual manufacture process, as long as two battens 22 have enough length, three-phase moving contact assembly 24 just can leave enough insulation distances.Power transmission shaft is given three-phase moving contact assembly 24 transfer torques by means of two battens 22.
Each moving contact component 24 is fixed on two battens 22 by two groups of dismountable retaining elements that are arranged on these moving contact component 24 both sides and be installed on two battens 22.As can be seen from Figure 2, every group of dismountable retaining element comprises the bolt 28 that passes two battens 22 and is spun on the nut 25 on this bolt 28 and is enclosed within on this bolt 28 and the keeper 23 between two battens 22, this keeper 23 is a circle, and the thickness of this circle is substantially equal to the distance between two battens 22.
During concrete the assembling, at first three-phase moving contact assembly 24 spacer sleeves are contained on two battens 22, then keeper 23 is filled between two battens 22 from three-phase moving contact assembly 24 both sides, pass a batten 22, keeper 23, another batten 22 successively with bolt 28, screwing on nut 25 can be fixed on three-phase moving contact assembly 24 on two battens 22.Two ends spindle nose 26 is inserted in two battens 22,4 bolts 27 and nut are fixing to get final product, and assembles flexible again.When a moving contact component 24 damages, only need to change separately and get final product, but and do not need whole replacing moving contact installing type three station earthed switch main shafts, saved maintenance cost.
Referring to Fig. 3, but moving contact installing type three station earthed switch main shafts comprise power transmission shaft and three-phase moving contact assembly 34.The mid portion of power transmission shaft 32 is a square tube 321, and two ends spindle nose 36 is circular, on a spindle nose locating part 31 is installed therein; Offer the square hole that is complementary with square tube 321 on the contact mounting panel of three-phase moving contact assembly 34, three-phase moving contact assembly 34 just can be contained on the square tube 321 by spacer sleeve like this, and each moving contact component 34 is fixed on the square tube 321 by two groups of dismountable retaining elements that are arranged on these moving contact component 34 both sides and be installed on the square tube 321.Every group of dismountable retaining element comprises that the location-plate 33 that adopts bolt 37 and nut to be fixed on the square tube constitutes, and moving contact component 34 relies on location-plate 33 location in two groups of dismountable retaining elements.In actual manufacture process, as long as square tube 321 has enough length, three-phase moving contact assembly 34 just can leave enough insulation distances.Power transmission shaft is given three-phase moving contact assembly 34 transfer torques by means of square tube 321.
During concrete the assembling, at first three-phase moving contact assembly 34 spacer sleeves are contained on the square tube 321, then location-plate 33 are placed on the both sides of three-phase moving contact assembly 34, with bolt 37 and nut location-plate 33 is fixed on the square tube 321 again, assemble flexible.When a moving contact component 24 damages, only need to change separately and get final product, but and do not need whole replacing moving contact installing type three station earthed switch main shafts, saved maintenance cost.
Referring to Fig. 4 and Fig. 5, but moving contact installing type three station earthed switch main shafts comprise power transmission shaft and three-phase moving contact assembly 43.The mid portion of power transmission shaft 44 is external splines (pipe) body 441, and two ends spindle nose 442 is circular, on a spindle nose 442 locating part is installed therein; Offer the splined hole that is complementary with external splines (pipe) body 441 on the contact mounting panel of three-phase moving contact assembly 43, three-phase moving contact assembly 43 just can be contained on external splines (pipe) body 441 by spacer sleeve like this.In actual manufacture process, as long as external splines (pipe) body 441 has enough length, three-phase moving contact assembly 43 just can leave enough insulation distances.Power transmission shaft is given three-phase moving contact assembly 43 transfer torques by means of external splines (pipe) body 441.
Each moving contact component 43 is fixed on external splines (pipe) body 441 by the spacer 42 that is arranged on these moving contact component 43 both sides and be set on external splines (pipe) body 441; Outermost positioning sleeve 45 is fixed on spline (pipe) body 441 by rivet.Moving contact component 43 relies on spacer 42 and positioning sleeve 45 location.
During concrete assembling, at first three-phase moving contact assembly 43 and spacer 42 spacer sleeves are contained on external splines (pipe) body 441, then with positioning sleeve 45 from the right-hand member suit and compress, on external splines (pipe) body 441, assemble flexible through rivet.When a moving contact component 43 damages, only need to change separately and get final product, but and do not need whole replacing moving contact installing type three station earthed switch main shafts, saved maintenance cost.
The above, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly simple equivalent tableization and the modification of being done according to the utility model claim and utility model description generally all must include in the utility model claim.
Claims (5)
1. but moving contact installing type three station earthed switch main shafts comprise power transmission shaft and three-phase moving contact assembly, it is characterized in that, described power transmission shaft adopts insulating material to make, and described three-phase moving contact assembly adopts dismountable retaining element to be installed on the power transmission shaft at interval.
2. but moving contact installing type three station earthed switch main shafts according to claim 1, it is characterized in that, two ends spindle nose and middle two battens that described power transmission shaft is made by insulating material assemble, fixedlying connected with the two ends spindle nose by securing member in the two ends of two battens, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on two battens, and each moving contact component is fixed on two battens by two groups of dismountable retaining elements that are arranged on these moving contact component both sides and be installed on two battens; Every group of dismountable retaining element comprises the bolt that passes two battens and is spun on the nut on this bolt and is enclosed within on this bolt and the keeper between two battens that described moving contact component relies on two groups of keepers location in dismountable retaining element.
3. but moving contact installing type three station earthed switch main shafts according to claim 1 is characterized in that the mid portion of described power transmission shaft is a square tube, and the two ends spindle nose is circular, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on the square tube, and each moving contact component is fixed on the square tube by two groups of dismountable retaining elements that are arranged on these moving contact component both sides and be installed on the square tube; Every group of dismountable retaining element comprises that the location-plate that adopts securing member to be fixed on the square tube constitutes, and described moving contact component relies on two groups of location-plate location in dismountable retaining element.
4. but moving contact installing type three station earthed switch main shafts according to claim 1 is characterized in that the mid portion of described power transmission shaft is the external splines body, and the two ends spindle nose is circular, on a spindle nose locating part is installed therein; Three-phase moving contact inter-module spacer is contained on the external splines body, and each moving contact component is fixed on the external splines body by the spacer that is arranged on these moving contact component both sides and be set on the external splines body, and outermost positioning sleeve is fixed on the spline body by rivet.
5. but moving contact installing type three station earthed switch main shafts according to claim 4 is characterized in that described external splines body is the external splines body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201549410U CN201282062Y (en) | 2008-11-06 | 2008-11-06 | Three-station grounding switch main shaft with movable contact capable of being mounted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201549410U CN201282062Y (en) | 2008-11-06 | 2008-11-06 | Three-station grounding switch main shaft with movable contact capable of being mounted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201282062Y true CN201282062Y (en) | 2009-07-29 |
Family
ID=40928929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201549410U Expired - Fee Related CN201282062Y (en) | 2008-11-06 | 2008-11-06 | Three-station grounding switch main shaft with movable contact capable of being mounted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201282062Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157294A (en) * | 2011-03-31 | 2011-08-17 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN106206144A (en) * | 2016-08-16 | 2016-12-07 | 北京清畅电力技术股份有限公司 | Environment-friendly type gas cabinet disconnecting switch main shaft |
-
2008
- 2008-11-06 CN CNU2008201549410U patent/CN201282062Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157294A (en) * | 2011-03-31 | 2011-08-17 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN102157294B (en) * | 2011-03-31 | 2013-09-04 | 厦门科力特电气有限公司 | Three-station isolation ground switch |
| CN106206144A (en) * | 2016-08-16 | 2016-12-07 | 北京清畅电力技术股份有限公司 | Environment-friendly type gas cabinet disconnecting switch main shaft |
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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: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR CO., LTD. Free format text: FORMER OWNER: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR CO., LTD. SHANGHAI HUAMING POWER EQUIPMENT GROUP CO., LTD. Effective date: 20150121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200333 Shanghai city Putuo District No. 977 in the same way Co-patentee after: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR Co.,Ltd. Patentee after: SHANGHAI HUAMING POWER EQUIPMENT Co.,Ltd. Co-patentee after: SHANGHAI HUAMING POWER EQUIPMENT GROUP Co.,Ltd. Address before: 200333 Shanghai city Putuo District No. 977 in the same way Co-patentee before: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR Co.,Ltd. Patentee before: SHANGHAI HUAMING POWER EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150121 Address after: 200333 Shanghai city Putuo District No. 977 in the same way Co-patentee after: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR Co.,Ltd. Patentee after: SHANGHAI HUAMING POWER EQUIPMENT Co.,Ltd. Address before: 200333 Shanghai city Putuo District No. 977 in the same way Co-patentee before: SHANGHAI HUAMING HIGH-VOLTAGE SWITCHGEAR Co.,Ltd. Patentee before: SHANGHAI HUAMING POWER EQUIPMENT Co.,Ltd. Co-patentee before: SHANGHAI HUAMING POWER EQUIPMENT GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20171106 |