CN202178195U - Ring net cabinet high voltage grounding isolation switch contact tool arm having insulating protection layer - Google Patents
Ring net cabinet high voltage grounding isolation switch contact tool arm having insulating protection layer Download PDFInfo
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- CN202178195U CN202178195U CN2011202798997U CN201120279899U CN202178195U CN 202178195 U CN202178195 U CN 202178195U CN 2011202798997 U CN2011202798997 U CN 2011202798997U CN 201120279899 U CN201120279899 U CN 201120279899U CN 202178195 U CN202178195 U CN 202178195U
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- tool arm
- protective layer
- insulating protective
- arm end
- switch contact
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Abstract
The utility model relates to a ring net cabinet high voltage grounding isolation switch contact tool arm having an insulating protection layer, comprising a tool arm body, wherein the tool arm body is provided with a first tool arm end and a second tool arm end along the axial direction, with a tool arm intermediate part being formed between the first tool arm end and the second tool arm end; and the surface of the tool arm intermediate part is sprayed with an insulating protection layer. The tool arm body of the utility model is provided with a first tool arm end and a second tool arm end, with a tool arm intermediate part being formed between the first tool arm end and the second tool arm end and the tool arm intermediate part is sprayed with an insulating protection layer formed by spraying epoxy resin powders. By the means of the insulating protection layer, the insulating performance of the adjacent tool arm bodies to the tool arm intermediate part can be improved, thereby making the ring net cabinet high voltage grounding isolation switch contact tool arm of the utility model capable of meeting using requirements in a ring net cabinet, with the ring net cabinet high voltage grounding isolation switch contact tool arm having a simple and compact structure, excellent insulating property and application, security, and reliability.
Description
Technical field
The utility model relates to a kind of isolation switch contact tool arm, and especially a kind of ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer belongs to the technical field of ring main unit.
Background technology
Ring main unit is to use equipment for power transmission and distribution quite widely in the high pressure power transmission and distribution at present, and it is because volume is little, and freedom from repairs becomes most popular high-tension transformation equipment.Earthing isolator in the ring main unit is directly installed in the cabinet, cube, and function can not be lacked, and usually earthing isolator is because distance restriction between phase and phase can't be satisfied the specification requirement of ring main unit.As long as adopt the particular processing method to satisfy its insulation between phase and phase; Common way is to adopt heat-shrinkable T bush to insulate; But since heat-shrinkable T bush in heating process, be heated inhomogeneous; Make insulating capacity descend, heat-shrinkable T bush can not can produce the direct generation insulation of humid air entering with material seal and descend because the sealing degree is poor.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer is provided, and it is simple and compact for structure, good insulation preformance, and adaptability is good, and is safe and reliable.
The technical scheme that provides according to the utility model; Said ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer; Comprise the tool arm body; On said tool arm body axis direction, have the first tool arm end and the second tool arm end, form the tool arm pars intermedia between the said first tool arm end and the second tool arm end; Be coated with insulating protective layer on all on the surface of said tool arm pars intermedia.
Said insulating protective layer is an epoxy coating.Said epoxy coating adopts epoxy powder to process.Said tool arm body adopts copper product compression moulding.The thickness of said epoxy coating is 350 μ m.
Through first arc transition, pass through second arc transition between the tool arm pars intermedia and the second tool arm end between the said tool arm pars intermedia and the first tool arm end; Said first circular arc is different with the opening direction of second circular arc, makes win tool arm end and the corresponding two ends that are distributed in the tool arm pars intermedia of the second tool arm end.
Said tool arm pars intermedia is provided with tool arm installation connecting hole corresponding to the surface of the contiguous second tool arm end.
The said first tool arm end is provided with first contact arm and opens apart from installing hole, and the second tool arm end is provided with second contact arm and opens apart from installing hole, and said first contact arm is opened to open apart from installing hole apart from installing hole and second contact arm and is symmetrically distributed on the tool arm body.
The said first tool arm end is provided with the first contact welding hole, and the second tool arm end is provided with the second contact welding hole, and the said first contact welding hole and the second contact welding hole are symmetrically distributed on the tool arm body.
The advantage of the utility model: the tool arm body has the first tool arm end and the second tool arm end; Form the tool arm pars intermedia between the first tool arm end and the second tool arm end; Be coated with insulating protective layer on the said tool arm pars intermedia, said insulating protective layer can form through the spray epoxy powder; Through insulating protective layer can improve adjacent tool arm body to the insulation property of tool arm pars intermedia, can satisfy the instructions for use of high-voltage grounding isolating switch contact tool arm in ring main unit, simple and compact for structure, good insulation preformance, adaptability is good, and is safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
Like Fig. 1 ~ shown in Figure 2: the utility model comprises that tool arm body 1, tool arm pars intermedia 2, tool arm install connecting hole 3, first contact arm and open apart from installing hole 4, second contact arm and open apart from installing hole 5, the first contact welding hole 6, the second contact welding hole 7, insulating protective layer 8, the first tool arm end 9, the second tool arm end 10, first circular arc 11 and second circular arc 12.
As depicted in figs. 1 and 2: on the axis direction of said tool arm body 1, having the first tool arm end 9 and the second tool arm end 10, also is to have the first tool arm end 9 and the second tool arm end 10 on the length direction of tool arm body 1.10 at the first tool arm end 9 of tool arm body 1 and the second tool arm end form tool arm pars intermedia 2.In order to improve the insulating capacity of tool arm body 1; The isolation switch contact tool arm is installed in satisfies insulation distance and insulation property requirement in the ring main unit; All be coated with insulating protective layer 8 on the surface of said tool arm pars intermedia 2, said insulating protective layer 8 is covered on the tool arm pars intermedia 2; Make tool arm pars intermedia 2 have the ability of the High-Voltage Insulation of bearing through insulating protective layer 8.Said insulating protective layer 8 can form through the spray epoxy powder, and particularly, insulating protective layer 8 adopts epoxy powder 3111 to form at tool arm pars intermedia 2 through electrostatic spraying.The thickness of insulating protective layer 8 is 350 μ m, can satisfy the requirement of corresponding insulation property.
9 at tool arm pars intermedia 2 and the first tool arm end are connected through 11 transition of first circular arc; Tool arm pars intermedia 2 is connected through 12 transition of second circular arc with the second tool arm end 10; And first circular arc 11 is different with the opening direction of second circular arc 12, thereby the structure distribution that makes win tool arm end 9 and the second tool arm end, 10 similar mirror images is in the two ends of tool arm pars intermedia 2.First annulus 11 all can adopt identical setting with the arc length and the radius of second circular arc 12.
Tool arm pars intermedia 2 is provided with tool arm installation connecting hole 3 corresponding to the surface of the contiguous second tool arm end 10, through tool arm the riveted joint that connecting hole 3 can be used in two tool arms is installed.The first tool arm end 9 is provided with first contact arm and opens and be provided with second contact arm apart from installing hole 4, the second tool arm ends 10 and open apart from installing hole 5, and said first contact arm is opened to open apart from installing hole 5 apart from installing hole 4 and second contact arm and is symmetrically distributed on the tool arm body 1.Simultaneously, the first tool arm end 9 is provided with the first contact welding hole, 6, the second tool arm ends 10 and is provided with the second contact welding hole 7, and the said first contact welding hole 6 and the second contact welding hole 7 are symmetrically distributed on the tool arm body 1; And the first contact welding hole 6 and the second contact welding hole 7 are positioned at first contact arm and open apart from the installing hole 4 and second contact arm and open apart from the outside of installing hole 5.
As depicted in figs. 1 and 2: as to add man-hour; Said tool arm body 1 adopts copper material compression moulding; And after its Surface Machining is silver-plated, spray through the tool arm pars intermedia 2 usefulness epoxy powders of Principle of Electrostatic Painting to tool arm body 1 again, on tool arm pars intermedia 2, form insulating protective layer 8; Expose the first tool arm end 9 and the second tool arm end 10 of tool arm body 1; Also i.e. spray epoxy powder not on the first tool arm end 9 and the second tool arm end 10.Behind tool arm pars intermedia 2 spray epoxy powder, insulating protective layer 8 is solidified, through on tool arm pars intermedia 2, forming the protective layer of one deck insulation after the supercooling through heating.Because this insulating protective layer is by epoxy powder, has the ability of the High-Voltage Insulation of bearing.So reaching the regulation of product requires concrete.Said insulating protective layer 8 has electrical insulating property, and corrosion resistance, thermal endurance, wear-resisting withstand voltage, outstanding impact resistance and adhesive force can be used at 12～40.5kV bus insulation; And 8 thickness of the insulating protective layer on tool arm pars intermedia 2 reach 350mm.
The utility model tool arm body 1 has the first tool arm end 9 and the second tool arm end 10; 10 at the first tool arm end 9 and the second tool arm end form tool arm pars intermedia 2; Be coated with insulating protective layer 8 on the said tool arm pars intermedia 2, said insulating protective layer 8 can form through the spray epoxy powder; Through insulating protective layer 8 can improve adjacent tool arm body 1 to the insulation property of tool arm pars intermedia 2, can satisfy the instructions for use of high-voltage grounding isolating switch contact tool arm in ring main unit, simple and compact for structure, good insulation preformance, adaptability is good, and is safe and reliable.
Claims (9)
1. ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer; Comprise tool arm body (1); On said tool arm body (1) axis direction, have the first tool arm end (9) and the second tool arm end (10), form tool arm pars intermedia (2) between the said first tool arm end (9) and the second tool arm end (10); It is characterized in that: be coated with insulating protective layer (8) on all on the surface of said tool arm pars intermedia (2).
2. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1, it is characterized in that: said insulating protective layer (8) is an epoxy coating.
3. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 2 is characterized in that: said epoxy coating adopts epoxy powder to process.
4. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1 is characterized in that: said tool arm body (1) adopts copper product compression moulding.
5. according to claim 2 or 3 described ring main unit high-voltage grounding isolating switch contact tool arms with insulating protective layer, it is characterized in that: the thickness of said epoxy coating is 350 μ m.
6. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1; It is characterized in that: through first circular arc (11) transition, pass through second circular arc (12) transition between the tool arm pars intermedia (2) and the second tool arm end (10) between the said tool arm pars intermedia (2) and the first tool arm end (9); Said first circular arc (11) is different with the opening direction of second circular arc (12), makes win tool arm end (9) and the corresponding two ends that are distributed in tool arm pars intermedia (2) of the second tool arm end (10).
7. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1 is characterized in that: said tool arm pars intermedia (2) is provided with tool arm installation connecting hole (3) corresponding to the surface of the contiguous second tool arm end (10).
8. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1; It is characterized in that: the said first tool arm end (9) is provided with first contact arm and opens apart from installing hole (4); The second tool arm end (10) is provided with second contact arm and opens apart from installing hole (5), and said first contact arm is opened to open apart from installing hole (5) apart from installing hole (4) and second contact arm and is symmetrically distributed on the tool arm body (1).
9. the ring main unit high-voltage grounding isolating switch contact tool arm with insulating protective layer according to claim 1; It is characterized in that: the said first tool arm end (9) is provided with the first contact welding hole (6); The second tool arm end (10) is provided with the second contact welding hole (7), and the said first contact welding hole (6) is symmetrically distributed on the tool arm body (1) with the second contact welding hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202798997U CN202178195U (en) | 2011-08-03 | 2011-08-03 | Ring net cabinet high voltage grounding isolation switch contact tool arm having insulating protection layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202798997U CN202178195U (en) | 2011-08-03 | 2011-08-03 | Ring net cabinet high voltage grounding isolation switch contact tool arm having insulating protection layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178195U true CN202178195U (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202798997U Expired - Fee Related CN202178195U (en) | 2011-08-03 | 2011-08-03 | Ring net cabinet high voltage grounding isolation switch contact tool arm having insulating protection layer |
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|---|---|
| CN (1) | CN202178195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037013A (en) * | 2013-03-06 | 2014-09-10 | 昆山国力真空电器有限公司 | Improved structure of rotary arm for vacuum contactor |
-
2011
- 2011-08-03 CN CN2011202798997U patent/CN202178195U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037013A (en) * | 2013-03-06 | 2014-09-10 | 昆山国力真空电器有限公司 | Improved structure of rotary arm for vacuum contactor |
| CN104037013B (en) * | 2013-03-06 | 2016-08-10 | 昆山国力真空电器有限公司 | Vacuum contactor pivoted arm structure-improved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20200803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |