CN106917802A - A kind of shelf depreciation tests coupling bolt structure - Google Patents
A kind of shelf depreciation tests coupling bolt structure Download PDFInfo
- Publication number
- CN106917802A CN106917802A CN201710108883.1A CN201710108883A CN106917802A CN 106917802 A CN106917802 A CN 106917802A CN 201710108883 A CN201710108883 A CN 201710108883A CN 106917802 A CN106917802 A CN 106917802A
- Authority
- CN
- China
- Prior art keywords
- coupling
- head
- clamp nut
- shelf depreciation
- bolt
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 59
- 238000010168 coupling process Methods 0.000 title claims abstract description 59
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 238000002474 experimental method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 10
- 208000015943 Coeliac disease Diseases 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007728 cost analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of shelf depreciation experiment coupling bolt structure, including attachment bolt post and corona shielding head, the surface of the attachment bolt post is provided with connection screw thread, coupling head is fixedly connected with the top of attachment bolt post, the surface of coupling head offers the first connecting hole, the bottom of corona shielding head offers connection chute, and the surface of corona shielding head offers the second connecting hole and the first fastener hole respectively.The shelf depreciation tests coupling bolt structure, the effect avoided to standard component bolt head seamed edge corona phenomenon is reached, reach and copper bar has been flexible coupling and effect that connecting test part is fixed, avoiding copper bar from being flexible coupling causes experimental voltage to change and influences the problem of experimental result when being loosened with connecting test part, the first clamp nut can be made more to fasten, the problem for avoiding the first clamp nut from occurring loosening, binding groove can be prevented effectively from and corona phenomenon occur, so as to effectively solve the problems, such as corona phenomenon and test block experimental voltage.
Description
Technical field
The present invention relates to breaker technical field, specially a kind of shelf depreciation experiment coupling bolt structure.
Background technology
So far, from the point of view of the market of all kinds of medium voltage breakers applied in global range, vacuum circuit breaker is with percentage
More than 65 occupation rate rank first place.This graduation project project is with the product of the existing VD4 vacuum circuit breakers of ABB
Based on energy and data, on the basis of the quality for ensureing to improve product, the optimization design of circuit breaker contact arm, scheme are carried out
Research and cost analysis, finally select optimal case, reach the purpose for reducing production cost.By theoretical operability and year
Degree sales volume selects and determines the breaker that need to optimize.The general principle of breaker is probed into, and to the contact arm of its major loop
System is dissected, and chooses equalization point to ensure that contact arm can meet international standards in temperature rise with insulation two parts.Ensure simultaneously
Breaker can reach normal performance indications, finally select most suitably used scheme to transform and optimize existing contact arm scheme.
New contact arm system can confirm that after optimizing by Insulation Test, dynamic thermal stability experiment and temperature rise test
Classica VD4 24-12-31 comply fully with country and industry relevant criterion, on the premise of its operability is ensured, plus
Strong reliability, while production cost is efficiently reduced.It is wherein cost-effective mainly to include two broad aspects：First is consumptive material
Aspect, reduces relatively expensive copper product consumptive material, but in turn ensure that basic operation and the reliability of system, new to touch by calculating
Arm system scheme reduces about 65% cost；Second is assembling man-hour aspect, and new contact arm system schema assembling is simpler
Single, part is few, decreases the time cost of store keeping.Such a prioritization scheme complies fully with current graduation project problem
Requirement, with reference to the Annual sales amount of the product, the cost that this scheme is saved is very considerable.
, it is necessary to will be bolted by laboratory sample, current connecting bolt in the experiment of breaker shelf depreciation
Standard component bolt is all used, but is influenceed by environment and voltage in shelf depreciation experiment, the seamed edge of standard component bolt occurs
Corona discharge phenomenon, directly affects shelf depreciation experimental result, and needs a member in tight to connect in partial discharge test, no
The loosening between part can occur, so needing a kind of shelf depreciation experiment coupling bolt structure.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides a kind of shelf depreciation experiment coupling bolt structure, electricity is solved
The problem of dizzy phenomenon and test block experimental voltage.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of shelf depreciation experiment connection spiral shell
Stud structure, including attachment bolt post and corona shielding head, the surface of the attachment bolt post are provided with connection screw thread, the connection
Coupling head is fixedly connected with the top of bolt column, the surface of the coupling head offers the first connecting hole, the corona shielding head
Bottom offer connection chute, the surface of the corona shielding head offers the second connecting hole and the first fastener hole, institute respectively
State the second connecting hole and connected with chute is connected.
The surface of the connection screw thread be threaded with respectively copper bar be flexible coupling, connecting test part and the first clamp nut,
The lower surface of the corona shielding head is fixedly connected with the first anti-skidding salient point, surface and the soft company of copper bar of first anti-skidding salient point
The upper surface for connecing is fixedly connected, and the lower surface that the copper bar is flexible coupling is fixedly connected with the second anti-skidding salient point, and described second is anti-skidding
The lower surface of salient point is fixedly connected with the upper surface of connecting test part.
Preferably, first connecting hole is connected by left fixing bolt and right fixing bolt and the second connecting hole screw thread respectively
Connect, the surface of the left fixing bolt and right fixing bolt offers binding groove, and the internal slide of the binding groove is connected with
Sprue.
Preferably, the surface of first clamp nut offers the second fastener hole, and first clamp nut is in cylinder
Shape.
Preferably, the thread surface of the connection screw thread is connected with the second clamp nut, and second clamp nut is located at
The lower surface of the first clamp nut, the surface of second clamp nut is in circular shape.
Preferably, the hemispherical shape in surface of the corona shielding head, the inwall of first fastener hole is in circular shape.
Preferably, it is described connection chute inside be slidably connected with the surface of coupling head, it is described connection chute depth and
Coupling head it is highly equal.
(3) beneficial effect
The invention provides a kind of shelf depreciation experiment coupling bolt structure, possesses following beneficial effect：
(1), shelf depreciation experiment coupling bolt structure, by setting the corona shielding head of semi-spherical shape, it is right to have reached
The effect that standard component bolt head seamed edge corona phenomenon is avoided, by setting the first clamp nut of circular shape, has reached to copper
Arrange the effect for being flexible coupling and being fixed with connecting test part, it is to avoid copper bar is flexible coupling when being loosened with connecting test part causes experiment electricity
Buckling and influence the problem of experimental result.
(2), shelf depreciation experiment coupling bolt structure, by setting the second clamp nut of circular shape, can make
First clamp nut is more fastened, it is to avoid the problem for loosening occurs in the first clamp nut, and by setting sprue, can be prevented effectively from
There is corona phenomenon in binding groove, by setting the first fastener hole and the second fastener hole, can effectively strengthen to corona shielding head and
The fastening effect of the first clamp nut, can by club insert the first fastener hole and the second fastener hole respectively to corona shielding head and
First clamp nut realizes that fastening is unclamped, and by setting the first anti-skidding salient point and the second anti-skidding salient point, can effectively reduce copper bar
Be flexible coupling the possibility for relative displacement slip occur with connecting test part, increases contact area so that experimental voltage is more stablized,
So as to effectively solve the problems, such as corona phenomenon and test block experimental voltage.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is corona shielding header structure partial enlarged drawing of the present invention.
In figure：1 attachment bolt post, 2 corona shielding heads, 3 connection screw threads, 4 coupling heads, 5 first connecting holes, 6 connection chutes,
7 second connecting holes, 8 first fastener holes, 9 copper bars are flexible coupling, 10 connecting test parts, 11 first clamp nuts, 12 first anti-skidding convex
Point, 13 second anti-skidding salient points, 14 left fixing bolts, 15 right fixing bolts, 16 binding grooves, 17 sprues, 18 second fastener holes, 19
Two clamp nuts.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of shelf depreciation tests coupling bolt structure, including
Attachment bolt post 1 and corona shielding first 2, the hemispherical shape in surface of corona shielding first 2, by the corona screen for setting semi-spherical shape
First 2 are covered, the effect avoided to standard component bolt head seamed edge corona phenomenon has been reached, the surface of attachment bolt post 1 is provided with connection
Screw thread 3, the thread surface for coupling screw thread 3 is connected with the second clamp nut 19, and the second clamp nut 19 is located at the first clamp nut
11 lower surface, the surface of the second clamp nut 19 is in circular shape, by setting the second clamp nut 19 of circular shape, energy
The first clamp nut 11 is enough set more to fasten, it is to avoid the problem for loosening, the top of attachment bolt post 1 occurs in the first clamp nut 11
Coupling head 4 is fixedly connected with, the surface of coupling head 4 offers the first connecting hole 5, and the bottom of corona shielding first 2 offers connection
Chute 6, the surface of corona shielding first 2 offers the second connecting hole 7 and the first fastener hole 8 respectively, and the first connecting hole 5 passes through respectively
Left fixing bolt 14 and right fixing bolt 15 are threadedly coupled with the second connecting hole 7, left fixing bolt 14 and right fixing bolt 15
Surface offers binding groove 16, sets binding groove 16, left fixing bolt 14 and right fixing bolt 15 can be entered by screwdriver
Row fastening and release, the internal slide of binding groove 16 is connected with sprue 17, by setting sprue 17, can be prevented effectively from binding groove
16 there is corona phenomenon, and the inwall of the first fastener hole 8 is in circular shape, and the second connecting hole 7 is connected with chute 6 is connected, and connection is slided
The inside of groove 6 is slidably connected with the surface of coupling head 4, and the depth for connecting chute 6 is highly equal with coupling head 4, can the company of avoiding
There is relative displacement and slide so as to influence the problem of experimental result in the depth and coupling head 4 for connecing chute 6.
The surface for coupling screw thread 3 is threaded with copper bar and is flexible coupling the clamp nut of 9, connecting test part 10 and first respectively
11, the surface of the first clamp nut 11 offers the second fastener hole 18, by setting the first fastener hole 8 and the second fastener hole 18,
Can effectively strengthen first to corona shielding 2 and first clamp nut 8 fastening effect, can by club insert the first fastener hole 8
With the second fastener hole 18 respectively first to corona shielding 2 and the first clamp nut 11 realize that fastening is unclamped, the first clamp nut 11 is in
Cylindrical shape, by setting the first clamp nut 11 of circular shape, reached copper bar is flexible coupling 9 and connecting test part 10 enter
The fixed effect of row, it is to avoid copper bar be flexible coupling 9 and connecting test part 10 cause experimental voltage to change and influence experiment knot when loosening
The problem of fruit, the lower surface of corona shielding first 2 is fixedly connected with the first anti-skidding salient point 12, the surface of the first anti-skidding salient point 12 and copper
Be flexible coupling 9 upper surface of row is fixedly connected, and be flexible coupling 9 lower surface of copper bar is fixedly connected with the second anti-skidding salient point 13, and second prevents
The lower surface of sliding salient point 13 is fixedly connected with the upper surface of connecting test part 10, anti-by setting the first anti-skidding salient point 12 and second
Sliding salient point 13, can effectively reduce copper bar be flexible coupling 9 and connecting test part 10 there is the possibility of relative displacement slip, increase connects
Contacting surface is accumulated so that experimental voltage is more stablized, so as to effectively solve the problems, such as corona phenomenon and test block experimental voltage.
Operation principle：During experiment, coupling head 4 is inserted the inside of connection chute 6, by screwdriver by left fixing bolt 14
With the inside that right fixing bolt 15 is threadedly coupled to the first connecting hole 5 and the second connecting hole 7, sprue 17 and binding groove 16 are slided and connected
Connect, by copper bar be flexible coupling 9 and connecting test part 10 couple screw thread 3 with 3 and be threadedly coupled, the first clamp nut 11 is threadedly coupled to connection
Connect on screw thread 3, copper bar is flexible coupling 9 and the rotational fastener of connecting test part 10, the second clamp nut 19 is by the first clamp nut 11
Rotational fastener, is inserted by club attachment bolt post 1 is threadedly coupled with experiment apparatus in the first fastener hole 8.
In sum, shelf depreciation experiment coupling bolt structure, by the corona shielding for setting semi-spherical shape first 2, reaches
To the effect avoided to standard component bolt head seamed edge corona phenomenon, the cylindrical form of the first clamp nut 11, by setting circle
First clamp nut 11 of arc shape, has reached be flexible coupling to copper bar 9 and the effect that is fixed of connecting test part 10, it is to avoid copper
The problem for causing experimental voltage to change when being flexible coupling 9 and the loosening of connecting test part 10 and influenceing experimental result is arranged, by the company of setting
The depth for connecing chute 6 is highly equal with coupling head 4, the depth for connecting chute 6 can be avoided relative displacement occur with coupling head 4 and slided
The dynamic problem so as to influence experimental result.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element for limiting, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of shelf depreciation tests coupling bolt structure, including attachment bolt post (1) and corona shielding head (2), and its feature exists
In：The surface of the attachment bolt post (1) is provided with connection screw thread (3), is fixedly connected with the top of the attachment bolt post (1)
Coupling head (4), the surface of the coupling head (4) offers the first connecting hole (5), and the bottom of the corona shielding head (2) opens up
The surface for having connection chute (6), the corona shielding head (2) offers the second connecting hole (7) and the first fastener hole (8) respectively,
Second connecting hole (7) connects with chute (6) is connected；It is soft that the surface of connection screw thread (3) is threaded with copper bar respectively
Connection (9), connecting test part (10) and the first clamp nut (11), the lower surface of the corona shielding head (2) are fixedly connected with
First anti-skidding salient point (12), be flexible coupling with the copper bar upper surface of (9) of the surface of first anti-skidding salient point (12) is fixedly connected, institute
State the be flexible coupling lower surface of (9) of copper bar and be fixedly connected with the second anti-skidding salient point (13), the following table of second anti-skidding salient point (13)
Face is fixedly connected with the upper surface of connecting test part (10).
2. a kind of shelf depreciation according to claim 1 tests coupling bolt structure, it is characterised in that：First connection
Hole (5) is threadedly coupled by left fixing bolt (14) and right fixing bolt (15) with the second connecting hole (7) respectively, the left fixation
The surface of bolt (14) and right fixing bolt (15) offers binding groove (16), the internal slide connection of the binding groove (16)
There is sprue (17).
3. a kind of shelf depreciation according to claim 1 tests coupling bolt structure, it is characterised in that：First fastening
The surface of nut (11) offers the second fastener hole (18), the first clamp nut (11) cylindrical form.
4. a kind of shelf depreciation according to claim 1 tests coupling bolt structure, it is characterised in that：The connection screw thread
(3) thread surface is connected with the second clamp nut (19), and second clamp nut (19) is positioned at the first clamp nut (11)
Lower surface, the surface of second clamp nut (19) is in circular shape.
5. a kind of shelf depreciation according to claim 1 tests coupling bolt structure, it is characterised in that：The corona shielding
The hemispherical shape in surface of head (2), the inwall of first fastener hole (8) is in circular shape.
6. a kind of shelf depreciation according to claim 1 tests coupling bolt structure, it is characterised in that：The connection chute
(6) inside is slidably connected with the surface of coupling head (4), the height phase of the depth and coupling head (4) for connecting chute (6)
Deng.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108883.1A CN106917802A (en) | 2017-02-27 | 2017-02-27 | A kind of shelf depreciation tests coupling bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108883.1A CN106917802A (en) | 2017-02-27 | 2017-02-27 | A kind of shelf depreciation tests coupling bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106917802A true CN106917802A (en) | 2017-07-04 |
Family
ID=59454248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108883.1A Pending CN106917802A (en) | 2017-02-27 | 2017-02-27 | A kind of shelf depreciation tests coupling bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106917802A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065311A (en) * | 2001-08-24 | 2003-03-05 | Nitto Seiko Co Ltd | Screw part for fluid discharge |
| CN201503438U (en) * | 2009-09-15 | 2010-06-09 | 河南森源电气股份有限公司 | Coupling bolt structure for partial discharge test |
| CN201786866U (en) * | 2010-07-09 | 2011-04-06 | 上海电气阿海珐宝山变压器有限公司 | Shielding cover type combined nut |
| CN103470599A (en) * | 2012-06-07 | 2013-12-25 | 江苏华厦电力成套设备有限公司 | High-strength anti-corona bolt |
| US20140363256A1 (en) * | 2013-06-11 | 2014-12-11 | Chicony Power Technology Co., Ltd. | Waterproof, dustproof, breathing bolt |
-
2017
- 2017-02-27 CN CN201710108883.1A patent/CN106917802A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065311A (en) * | 2001-08-24 | 2003-03-05 | Nitto Seiko Co Ltd | Screw part for fluid discharge |
| CN201503438U (en) * | 2009-09-15 | 2010-06-09 | 河南森源电气股份有限公司 | Coupling bolt structure for partial discharge test |
| CN201786866U (en) * | 2010-07-09 | 2011-04-06 | 上海电气阿海珐宝山变压器有限公司 | Shielding cover type combined nut |
| CN103470599A (en) * | 2012-06-07 | 2013-12-25 | 江苏华厦电力成套设备有限公司 | High-strength anti-corona bolt |
| US20140363256A1 (en) * | 2013-06-11 | 2014-12-11 | Chicony Power Technology Co., Ltd. | Waterproof, dustproof, breathing bolt |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170704 |
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| RJ01 | Rejection of invention patent application after publication |