CN204947517U - A kind of high reliability coupling assembling of plug-board bus bar - Google Patents
A kind of high reliability coupling assembling of plug-board bus bar Download PDFInfo
- Publication number
- CN204947517U CN204947517U CN201520735782.3U CN201520735782U CN204947517U CN 204947517 U CN204947517 U CN 204947517U CN 201520735782 U CN201520735782 U CN 201520735782U CN 204947517 U CN204947517 U CN 204947517U
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- China
- Prior art keywords
- bus
- stube cable
- connecting portion
- securing member
- plug
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Abstract
The utility model discloses a kind of high reliability coupling assembling of plug-board bus bar, comprise stube cable, bus connecting box, securing member, described stube cable is in " Ω " shape structure, described bus terminal box arranges screwed hole perpendicular to the side of the connecting portion faying surface of bus, the clamping screw head of described securing member by screwed hole stretch in bus connecting box, the connecting portion faying surface of bus is pressed to the connecting portion of stube cable after push against bus connecting box inwall.The utility model arranges in " Ω " shape structure with stube cable, with securing member, cable and bus bar crimped with the reliability ensureing conduction by bus connecting box and reduce joint face caloric value, also possesses certain resistance to tension simultaneously, and stube cable flexible is freely again, thus the power outage difficult problem that solution two bus junctions easily cause because expanding with heat and contract with cold, have the advantages that structure is simple, caloric value is little, reliability is high.
Description
Technical field
The utility model belongs to electric wire, cable mounting technique field, relates to the high reliability coupling assembling of the plug-board bus bar that a kind of structure is simple, caloric value is little, reliability is high.
Background technology
Bus (busline) refers to copper (copper bar) with high conductivity, aluminum material is made, and in order to electric energy transmitting, has the product collecting and distribute power capability.Because bus is in operation, there is huge electric energy to pass through, during short circuit, subject very large heating and dynamo-electric effect, and the current squaring that caloric value and bus pass through is directly proportional.The particularly stress of hard bus because expanding with heat and contract with cold producing danger to bus porcelain vase, equipment and insulator etc.For the problem that bus expands with heat and contract with cold, generally in prior art adopt that Long Circle bolt hole connects, expansion joint compensates the mode connecting (Fig. 1) or install bus telescoping compensator additional and weaken this effect of stress.Owing to expanding with heat and contract with cold to ensure that the movement of bolt supplements in the connection of Long Circle bolt hole, therefore its bolt is not tightened, in Long-Time Service process, bolt easily comes off, and be difficult to compress connection bus by bolt, also easily make laminating degree in busbar shiplap joint face bad, thus make joint face edge easily gather electric current to taper off to a point electric current, guiding discharge or burn out bus and connector, reliability is lower.And if also there is bus resistance to tension in expansion joint compensation connected mode, mobile link face easily reduces the laminating degree of faying surface because of entering of extraneous dust etc., thus the contact resistance in busbar shiplap joint face is increased, electric conductivity declines, and easily causes caloric value to increase.In addition, although adopt the method installing bus telescoping compensator additional to overcome above connected mode Problems existing, because bus telescoping compensator structure is complicated, volume is comparatively large, installs inconvenience, also there is the limitation on using.Particularly in such as aluminum electrolysis, because of the power outage that two bus junctions cause because expanding with heat and contract with cold, important impact can be had on the high reliability of aluminium electroloysis, low-cost production.
Utility model content
The purpose of this utility model is to provide the high reliability coupling assembling of the plug-board bus bar that a kind of structure is simple, caloric value is little, reliability is high.
The purpose of this utility model realizes like this, comprise stube cable, bus connecting box, securing member, described stube cable is in " Ω " shape structure, described bus terminal box arranges screwed hole perpendicular to the side of the connecting portion faying surface of bus, the clamping screw head of described securing member by screwed hole stretch in bus connecting box, the connecting portion faying surface of bus is pressed to the connecting portion of stube cable after push against bus connecting box inwall.
The beneficial effects of the utility model are:
1, with securing member, stube cable and bus bar are crimped to ensure the reliability of conducting electricity by the screwed hole of bus connecting box, avoid Long Circle bolt hole of the prior art and connect the difficult problem easily loosened;
2, with the fastening crimping stube cable of securing member and bus part, avoid and to make because laminating degree in busbar shiplap joint face is bad joint face edge easily gather electric current to taper off to a point electric current and the large difficult problem of caloric value, possess again certain resistance to tension simultaneously;
3, stube cable by its " Ω " shape structure again flexible freely, compare bus telescoping compensator structure more simple, volume is more small and exquisite, and dismounting is very easy.
Accompanying drawing explanation
Fig. 1 is that syndeton schematic diagram is repaid in bus telescoping darning;
Fig. 2 is the connection bus structural representation of the utility model;
Fig. 3 is the bus terminal box cross-sectional structure schematic diagram of the utility model;
Fig. 4 is the utility model structural representation;
In figure: 1-stube cable, 11-insulating coating, 12-line nose, 2-bus connecting box, 21-screwed hole, 3-securing member, 4-bus, 5-insulating barrier, 6-conductive layer, 7-is flexible supplements section.
Embodiment
Be further described the utility model below in conjunction with accompanying drawing, but must not be limited the utility model by any way, any change done based on the utility model training centre or improvement, all belong to protection range of the present utility model.
As shown in Fig. 2,3 and 4, the utility model comprises stube cable 1, bus connecting box 2, securing member 3, described stube cable 1 is in " Ω " shape structure, described bus terminal box 2 arranges screwed hole 21 perpendicular to the side of the connecting portion faying surface of bus, the clamping screw head of described securing member 3 by screwed hole 21 stretch in bus connecting box 2, the connecting portion faying surface of bus is pressed to the connecting portion of stube cable 1 after push against bus connecting box 2 inwall.
The disconnected portion of described stube cable 1 is provided with flexible insulation overcoat 11, and the connecting portion of described stube cable 1 is socketed with conductivity line nose 12.
The rectangular structure of described bus connecting box 2 cross section and screwed hole 21 is vertically installed in rectangle sides, described stube cable 1 both sides connecting portion together with the line nose 12 of socket in flat structure.
Described bus connecting box 2 forms rectangular cross section structure by flanging overlap joint and screwed hole 21 passes two faying surfaces.
Described bus connecting box 2 cross section is arc-shaped structure and screwed hole 21 is vertically installed in circular arc axis, described stube cable 1 both sides connecting portion cross section semicircular in shape structure and its radius is suitable with bus connecting box 2 radiused cross-section radius.
Described securing member 3 is bolt, screw or stud, is provided with flat shim between the clamping screw head of described securing member 3 and bus contact-making surface, and the nut side of described bolt or screw is provided with elastic washer.
Described securing member 3 is zinc-plated securing member or copper securing member.
Between the connecting portion of described stube cable 1 and bus connecting box 2 inwall, elastomeric pad is set, and/or arrange between the connecting portion of stube cable 1 and the connecting portion faying surface of bus can the metallic conduction pad of strain.
utility model works principle and the course of work:
Stube cable arranges in " Ω " shape structure by the utility model, with securing member, stube cable and bus bar are crimped to ensure the reliability of conducting electricity by the screwed hole of bus connecting box simultaneously, avoid the problem that Long Circle bolt hole connection reliability of the prior art is low; Simultaneously with the fastening crimping stube cable of securing member and bus part, avoid and to make because laminating degree in busbar shiplap joint face is bad joint face edge easily gather electric current to taper off to a point the difficult problem of electric current, possess again certain resistance to tension; And stube cable by its " Ω " shape structure flexible freely, compare bus telescoping compensator structure more simple, volume is more small and exquisite, and dismounting is very easy, and effectively can solve the power outage that two bus junctions cause because expanding with heat and contract with cold.Further flexible insulation overcoat is set in stube cable disconnected portion, when can effectively avoid stube cable to extend and the excessively near arc phenomenon of bus-bar frame, thus improves the fail safe that bus connects.Further, the rectangular structure of bus connecting box cross section, particularly bus connecting box is overlapped by flanging and forms rectangular cross section structure, can reduce the manufacturing cost of bus terminal box, and is convenient to again improve the faying surface laminating degree that securing member compresses bus and stube cable.Between the end of securing member and bus contact-making surface, be provided with flat shim further, bus surface pressing can be disperseed to make it more reliable, can avoid again scratching bus surface; Further the nut side of bolt or screw is provided with elastic washer, effectively can prevent securing member from loosening, and play cushioning effect when bus expands with heat and contract with cold.Same, between stube cable 1 connecting portion and bus connecting box inwall, elastomeric pad is set, and/or arrange between the connecting portion of stube cable and the connecting portion faying surface of bus can the metallic conduction pad of strain, also have and improve stube cable and bus laminating degree to strengthen the reliability of conducting electricity, and bus can also be cushioned expand with heat and contract with cold, effectively prevent the effect that securing member loosens.In sum, the utility model has the advantages that structure is simple, caloric value is little, reliability is high.
As shown in Fig. 2,3 and 4, according to the load of bus 4, by calculating the stroke of bus 4, the stube cable 1 of appropriate sectional area is selected to make in " Ω " shape structure, and insulating coating 11 is set in disconnected portion, and conductivity line nose 12 is socketed with in the portion of connecing, collinear for connecting portion nose 12 is pressed into flat together.Make bus connecting box 2 in the mode of flanging overlap joint and beat screwed hole 21 at faying surface.The connecting portion of bus 4 to be stretched in bus terminal box 2 and its faying surface away from screwed hole 21, then collinear for the connecting portion at stube cable 1 two ends nose 12 is stretched in the bus connecting box 2 of both sides respectively, and stretch into relative with the connecting portion faying surface of bus 4, finally through screwed hole 21, its end is compressed bus 4 by flat shim with screw or bolt to make it to push against bus connecting box 2 inwall after connecting portion faying surface contacts with the flat connecting portion of stube cable 1, and elastic washer is set in the nut side of screw or bolt.
Claims (8)
1. the high reliability coupling assembling of a plug-board bus bar, it is characterized in that comprising stube cable (1), bus connecting box (2), securing member (3), described stube cable (1) is in " Ω " shape structure, described bus terminal box (2) arranges screwed hole (21) perpendicular to the side of the connecting portion faying surface of bus, the clamping screw head of described securing member (3) by screwed hole (21) stretch in bus connecting box (2), the connecting portion faying surface of bus is pressed to the connecting portion of stube cable (1) after push against bus connecting box (2) inwall.
2. the high reliability coupling assembling of plug-board bus bar according to claim 1, it is characterized in that the disconnected portion of described stube cable (1) is provided with flexible insulation overcoat (11), the connecting portion of described stube cable (1) is socketed with conductivity line nose (12).
3. the high reliability coupling assembling of plug-board bus bar according to claim 2, it is characterized in that the rectangular structure of described bus connecting box (2) cross section and screwed hole (21) is vertically installed in rectangle sides, described stube cable (1) both sides connecting portion together with the line nose (12) of socket in flat structure.
4. the high reliability coupling assembling of plug-board bus bar according to claim 3, it is characterized in that described bus connecting box (2) by flanging overlap form rectangular cross section structure and screwed hole (21) through two faying surfaces.
5. the high reliability coupling assembling of plug-board bus bar according to claim 1, it is characterized in that described bus connecting box (2) cross section is arc-shaped structure and screwed hole (21) is vertically installed in circular arc axis, described stube cable (1) both sides connecting portion cross section semicircular in shape structure and its radius is suitable with bus connecting box (2) radiused cross-section radius.
6. the high reliability coupling assembling of plug-board bus bar according to claim 1, it is characterized in that described securing member (3) is bolt, screw or stud, be provided with flat shim between the clamping screw head of described securing member (3) and bus contact-making surface, the nut side of described bolt or screw is provided with elastic washer.
7. the high reliability coupling assembling of plug-board bus bar according to claim 6, is characterized in that described securing member (3) is for zinc-plated securing member or copper securing member.
8. the high reliability coupling assembling of plug-board bus bar according to claim 1, it is characterized in that arranging elastomeric pad between the connecting portion of described stube cable (1) and bus connecting box (2) inwall, and/or arrange between the connecting portion of stube cable (1) and the connecting portion faying surface of bus can the metallic conduction pad of strain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735782.3U CN204947517U (en) | 2015-09-22 | 2015-09-22 | A kind of high reliability coupling assembling of plug-board bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735782.3U CN204947517U (en) | 2015-09-22 | 2015-09-22 | A kind of high reliability coupling assembling of plug-board bus bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947517U true CN204947517U (en) | 2016-01-06 |
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ID=55014906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520735782.3U Expired - Fee Related CN204947517U (en) | 2015-09-22 | 2015-09-22 | A kind of high reliability coupling assembling of plug-board bus bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063322A (en) * | 2017-11-28 | 2018-05-22 | 中车大连机车车辆有限公司 | Electric vehicle zonal cooling formula ground power supply system feed connector |
| CN109066541A (en) * | 2018-10-12 | 2018-12-21 | 江苏亿能电气有限公司 | A kind of bus duct connection structure with compensation function |
-
2015
- 2015-09-22 CN CN201520735782.3U patent/CN204947517U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063322A (en) * | 2017-11-28 | 2018-05-22 | 中车大连机车车辆有限公司 | Electric vehicle zonal cooling formula ground power supply system feed connector |
| CN109066541A (en) * | 2018-10-12 | 2018-12-21 | 江苏亿能电气有限公司 | A kind of bus duct connection structure with compensation function |
| CN109066541B (en) * | 2018-10-12 | 2023-11-14 | 伊顿母线(江苏)有限公司 | Bus duct connection structure with compensation function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190922 |