CN102122766A - Connector of tubular bus bar - Google Patents
Connector of tubular bus bar Download PDFInfo
- Publication number
- CN102122766A CN102122766A CN 201010604535 CN201010604535A CN102122766A CN 102122766 A CN102122766 A CN 102122766A CN 201010604535 CN201010604535 CN 201010604535 CN 201010604535 A CN201010604535 A CN 201010604535A CN 102122766 A CN102122766 A CN 102122766A
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- fingertip
- connector
- contact finger
- tube type
- type bus
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Abstract
The invention provides a connector of a tubular bus bar, which comprises a connector body and a contact finger mechanism. The contact finger mechanism is arranged in the connector body and comprises a first contact finger, a second contact finger and a plate spring. The first contact finger and the second contact finger are movably arranged in the connector body in a rectilinear shape. The plate spring is fixed in the connector body along the axial direction. The two ends of the plate spring are respectively pressed onto the inner surfaces of the first contact finger and the second contact finger. The first contact finger and the second contact finger are in sufficient flexible connection under the pressure of the plate spring, so contact resistance is reduced, contact surface is enlarged, carrying capacity of the connector is increased, section area of the connector is properly reduced and cost is saved. Components are arranged inside the connector, so the outer surface of the connector is smooth and soft, no insulating hazards such as electric field aggregation and marginal discharge are caused, and running reliability of the bus bar is enhanced.
Description
Technical field
The present invention relates to a kind of connector of bus, particularly a kind of connector that is used for the 10-40.5KV tube type bus belongs to the technical field of transmission facility.
Background technology
The pipe typed insulation bus is an efficient power transmitting device of carrying high-tension current.Quick, steady-state growth along with national economy, the develop rapidly of urban construction, enterprise, electricity consumption of resident linearly rise, cause the transforming plant main transformer capacity to continue to increase thus, the rated current of main transformer low pressure outlet side increases thereupon, and power department more and more needs the transmission of electricity electricity product tape that a kind of ampacity is big, coefficient of safety is high to replace original rectangular bus bar.The pipe typed insulation bus arises at the historic moment as a kind of novel power transmission conductor, compare with traditional rectangular bus bar, its kelvin effect is good, unit cross section ampacity is big, radiating condition good, allowable stress is big, span is big, mechanical strength is high, electrical insulation properties is strong, main insulation stability of material height, insulating process is reasonable, has effectively guaranteed the power supply reliability of power transmission and transformation nets.
Connect in the middle of the pipe typed insulation bus of the prior art, adopt anchor ear, metallic sheath or staged straight coupling two sections pipe buses are directly fastening mostly with bolt.It is outer fastening that anchor ear connects the employing bolt, exists and expose connection bump, easily produces electric field and concentrate, and causes point discharge; And the rubber-like anchor ear is wrapped in the insulating barrier, has reduced the insulating reliability of connecting portion, influence the fail safe of pipe typed insulation bus overall operation,, increased the maintenance cost of pipe typed insulation bus so need often maintenance overhang insulation.Expose projection though metallic sheath connects not have, lack elasticity, the assembling difficulty; Simultaneously, because factors such as pipe mother's machining accuracy, fit very easily cause loose contact, contact resistance increases, and temperature rise exceeds standard and generates heat, and reduces connection reliability.The staged straight coupling connects, and not only there is all defect of metallic sheath connection in the processing request height, and has reduced contact area, and easily local pyrexia reduces operational reliability.
The content of invention
Technical problem to be solved by this invention provide a kind of simple in structure, contact is reliable, ampacity big and the tube type bus connector of good economy performance; The connector of this structure has improved the fail safe of bus-bar system operation greatly.
In order to solve the problems of the technologies described above, the connector of a kind of tube type bus of the present invention, comprise and connect body, fingertip mechanism, described fingertip mechanism is arranged in the described connection body, described fingertip mechanism comprises first fingertip, second fingertip, leaf spring, described first fingertip and described second fingertip are that " one " font is mobilizable to be arranged on described the connection in the body, and described leaf spring is fixed in the described connection body vertically, and described leaf spring two ends are pressed in respectively on the inner surface of described first, second fingertip.
The connector of above-mentioned a kind of tube type bus wherein, is respectively equipped with spherical flange on the outer end outer surface of described first fingertip and described second fingertip, is respectively equipped with the second spherical flange on the inner outer surface.
The connector of above-mentioned a kind of tube type bus, wherein, the outer peripheral face of described connection body is provided with some arc grooves, and the tube wall of described connection body is provided with a plurality of uniform vertical notches.
The connector of above-mentioned a kind of tube type bus wherein, is provided with flange in the described connection body, and described flange is provided with the guide-localization groove, and an end of described first fingertip, one end and second fingertip is arranged in the described guide-localization groove by securing member.
The present invention can realize following beneficial effect:
1, owing to comprises connection body, fingertip mechanism, described fingertip mechanism comprises first fingertip, second fingertip, leaf spring, described leaf spring two ends are pressed in respectively on the inner surface of described first, second fingertip, pressure by leaf spring makes first, second fingertip and abundant flexible contact of tube type bus, reduce contact resistance, increased contact-making surface, improved the ampacity of connector, can suitably reduce the sectional area of connector, save cost; Member is arranged in the connector, makes the connector smooth in appearance soft, no electric field is concentrated, the insulation hidden danger of point discharge, simultaneously, has simplified the insulating process of junction, improves operational reliability, and has improved fail safe, reliability and the economy of tube type bus; In addition,, can play buffering, compensate for displacement effect, can compensate the displacement that tube type bus produces in the use, make bus more reliable with being connected of bus because first, second fingertip contacts for flexible with tube type bus.
2, owing to be respectively equipped with spherical flange on the outer end outer surface of described first fingertip and described second fingertip, inner outer surface is provided with the second spherical flange, this sphere flange all the time with inner peripheral surface that is connected body and the tight crimping of tube type bus, make bus more reliable with contacting of first, second fingertip.
3, because the outer peripheral face of described connection body is provided with some longitudinal flutings, the tube wall of described connection body is provided with a plurality of vertical notches, can prevent to cause connector and the virtual connection of tube type bus is touched, make connector more reliable with being connected of tube type bus because tube type bus crowded drawn precision, cylindricity, surface roughness, end face mismachining tolerance and rigging error.
4, owing to be provided with flange in the described connection body, described flange is provided with the guide-localization groove, one end of described first fingertip, one end and second fingertip is arranged in the described guide-localization groove by securing member, makes things convenient for the installation of first, second fingertip, makes the structure of connector compact more; And be provided with flange owing to connect in the body, can make things convenient for the location of bus, make the connection of bus convenient; And increased the contact-making surface of connector and bus, thereby, make the connection of bus more reliable.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is the cutaway view of A-A of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
In order to solve the problems of the technologies described above, the connector of a kind of tube type bus of this invention, comprise and connect body 1, fingertip mechanism, described fingertip mechanism is arranged in the described connection body 1, described fingertip mechanism comprises first fingertip 2, second fingertip 6, leaf spring 5, connecting body 1 is a tubular articles, the termination that connects body 1 is arranged with the guiding fillet, can make things convenient for the insertion of tube type bus 7, described first fingertip 2 and described second fingertip 6 are that " one " font is mobilizable to be arranged on described the connection in the body 1, described leaf spring 5 is fixed in the described connection body 1 vertically, and described leaf spring 5 two ends are pressed in described first respectively, second fingertip 2, on 6 the inner surface.Evenly be provided with the leaf spring stopper slot on the inner surface of first, second fingertip 2,6, prevent leaf spring 5 slippages of stressed back; Side at first, second fingertip 2,6 is equipped with spacing hole, and after first fingertip 2 and 6 combinations of second fingertip, its spacing hole is given certain adjusting space of first, second fingertip 2,6 assemblys apart from the big 2mm of inner ring width that connects body 1.Leaf spring 5 compressive deformations are convenient in the slip termination of leaf spring 5 two symmetric design band circular arc perks; And avoid first, second fingertip 2,6 to be scratched; Leaf spring 5 center thickness direction symmetric design locating grooves carry out leaf spring 5 limit mounting.Pressure by leaf spring 5 makes first, second fingertip 2,6 and tube type bus 7 abundant flexible contacts, has reduced contact resistance, has increased contact-making surface, improves the ampacity of connector, can suitably reduce the sectional area of connector, saves cost; Member is arranged in the connector, makes the connector smooth in appearance soft, no electric field is concentrated, the insulation hidden danger of point discharge, simultaneously, has simplified the insulating process of junction, improves operational reliability, and has improved fail safe, reliability and the economy of tube type bus; In addition,, can play buffering, compensate for displacement effect, can compensate the displacement that tube type bus produces in the use, make bus more reliable with being connected of bus because first, second fingertip 2,6 contacts for flexible with tube type bus 7.First, second fingertip 2,6 is a tabular component, the end that first, second fingertip 2,6 is connected is respectively equipped with rotary hole, be used for passing securing member, with first, second fingertip 2,6 mobilizable linking into an integrated entity, in order to make first, second fingertip 2,6 more reliable with the connection that is connected body 1 and tube type bus 7, can on the outer surface of first, second fingertip 2,6 outer ends, be respectively equipped with spherical flange 12, be equipped with the second spherical flange 15 on the inner outer surface of first, second fingertip 2,6, during work, spherical flange 12 contacts with tube type bus 7 inwalls; The second spherical flange 15 all the time with the tight crimping of the inner peripheral surface that is connected body 1, owing to be respectively equipped with spherical flange 12 on the outer end outer surface of described first fingertip 2 and described second fingertip 6, the inner is provided with the second spherical flange 15, this sphere flange 12 and the second spherical flange 15 all the time with the tight crimping of inner peripheral surface that is connected body 1 and tube type bus 7, make bus, connect body 1 and first, second fingertip 2,6 contact is more reliable, and avoided connection body 1 and tube type bus 7 to be scratched, and be first, second fingertip 2,6 rotation provides the space of more strengthening, thereby, make the connection of connector more firm, reliable.
For easy to use, can be arranged with the guiding fillet in the termination that connects body 1, because the crowded precision of drawing of tube type bus 7, cylindricity, surface roughness, end face mismachining tolerance and rigging error are inevitable, in order to prevent to touch because of the virtual connection that above-mentioned error causes, can on the tube wall that connects body 1, evenly be provided with a plurality of vertical notches 11, longitudinal fluting 11 is generally 4-8, the outer peripheral face of described connection body 1 is provided with some arc grooves 13, in the fastening process, to disappear by the distortion of the along the circumferential direction uniform vertical notch 11 of connector arc groove 13 and tube wall, realize that connector contacts with the reliable of bus.
In order to make connector construction compact more, reasonable, can on described connection body 1 inner peripheral surface, be provided with flange 10, described flange 10 is provided with guide-localization groove 101, described first fingertip 2 is " one " font with described second fingertip 6 by pivot pin 4 and is connected, and be installed in the described guide-localization groove 101 by the assembly of alignment pin 3 with first, second fingertip 2,6, guide-localization groove 101 can be an arc, also can be rectangle.Also can pass through other conventional means, mobilizable being installed in of first, second fingertip connected in the body 1.
During installation, pivot pin 4 is passed the rotary hole of first fingertip 2 and second fingertip 6, link together both are rotating, again alignment pin 3 is passed first fingertip 2 or second fingertip 6 earlier, put into the guide-localization groove 101 that connects body 1 then, locate again another fingertip being passed through another alignment pin 3 by instrument; Leaf spring 5 is pressed in the guide-localization groove 101 that connects body 1 with specific purpose tool, the slip termination of leaf spring 5 band circular arc perks is dropped in the stopper slot on first fingertip 2 and second fingertip, 6 inner surfaces, this moment, leaf spring 5 beginnings were stressed, and fingertip mechanism is in the prestressed initial condition; During work, when tube type bus 7 when the guiding fillet inserts in connecting body 1 two ends respectively, first, second fingertip 2,6 because of the insertion of tube type bus 7 to center of circle motion, on tightly the inwall that is pressed in tube type bus 7 under the effect of leaf spring 5; After tube type bus 7 puts in place, connector and tube type bus 7 is fastening with high strength countersunk head hexagon socket head cap screw.At this moment, the outer wall of tube type bus 7 is close to the inwall that connects body 1, and the inwall of tube type bus 7 contacts with fingertip 2,6 is closely flexible, and another contact of fingertip 2,6 is pressed on the internal ring wall that connects body 1, two sections female good connections of pipe.
In sum, the present invention compared with prior art has simple in structure, easy for installation, economical and practical advantage, and in addition, the present invention has improved fail safe, reliability and the economy of tube type bus.
This invention is not limited to above-mentioned enforcement, and all employings are equal to replaces formed technical scheme, all drops in protection scope of the present invention.
Claims (4)
1. the connector of a tube type bus, it is characterized in that, comprise and connect body, fingertip mechanism, described fingertip mechanism is arranged in the described connection body, described fingertip mechanism comprises first fingertip, second fingertip, leaf spring, described first fingertip and described second fingertip are that " one " font is mobilizable to be arranged on described the connection in the body, and described leaf spring is fixed in the described connection body vertically, and described leaf spring two ends are pressed in respectively on the inner surface of described first, second fingertip.
2. a kind of connector of tube type bus according to claim 1 is characterized in that, is respectively equipped with spherical flange on the outer end outer surface of described first fingertip and described second fingertip, is respectively equipped with the second spherical flange on the inner outer surface.
3. a kind of connector of tube type bus according to claim 1 is characterized in that the outer peripheral face of described connection body is provided with some arc grooves, and the tube wall of described connection body is provided with a plurality of vertical notches.
4. a kind of connector of tube type bus according to claim 1, it is characterized in that, be provided with flange in the described connection body, described flange is provided with the guide-localization groove, and an end of described first fingertip, one end and second fingertip is arranged in the described guide-localization groove by securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010604535 CN102122766A (en) | 2010-12-24 | 2010-12-24 | Connector of tubular bus bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010604535 CN102122766A (en) | 2010-12-24 | 2010-12-24 | Connector of tubular bus bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102122766A true CN102122766A (en) | 2011-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010604535 Pending CN102122766A (en) | 2010-12-24 | 2010-12-24 | Connector of tubular bus bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102122766A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058535A (en) * | 2016-07-19 | 2016-10-26 | 平高集团威海高压电器有限公司 | Conductor electrical connection device |
| CN106159559A (en) * | 2016-08-28 | 2016-11-23 | 威腾电气集团股份有限公司 | A kind of busbar transfiguration linkage structure |
| CN106207638A (en) * | 2016-08-28 | 2016-12-07 | 威腾电气集团股份有限公司 | A kind of integrated grounding structure of full-shielding tubular bus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196870A (en) * | 1995-09-22 | 1998-10-21 | 梅特利通信公司 | RF shield for circuit card |
| CN201655562U (en) * | 2009-09-03 | 2010-11-24 | 闫淼江 | Finger-shaped contact assembly for a high voltage isolator |
| CN201975534U (en) * | 2010-12-24 | 2011-09-14 | 向荣集团有限公司 | Connector for tubular bus |
-
2010
- 2010-12-24 CN CN 201010604535 patent/CN102122766A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1196870A (en) * | 1995-09-22 | 1998-10-21 | 梅特利通信公司 | RF shield for circuit card |
| CN201655562U (en) * | 2009-09-03 | 2010-11-24 | 闫淼江 | Finger-shaped contact assembly for a high voltage isolator |
| CN201975534U (en) * | 2010-12-24 | 2011-09-14 | 向荣集团有限公司 | Connector for tubular bus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058535A (en) * | 2016-07-19 | 2016-10-26 | 平高集团威海高压电器有限公司 | Conductor electrical connection device |
| CN106159559A (en) * | 2016-08-28 | 2016-11-23 | 威腾电气集团股份有限公司 | A kind of busbar transfiguration linkage structure |
| CN106207638A (en) * | 2016-08-28 | 2016-12-07 | 威腾电气集团股份有限公司 | A kind of integrated grounding structure of full-shielding tubular bus |
| CN106159559B (en) * | 2016-08-28 | 2018-10-30 | 威腾电气集团股份有限公司 | A kind of busbar transfiguration linkage structure |
| CN106207638B (en) * | 2016-08-28 | 2018-11-06 | 威腾电气集团股份有限公司 | A kind of integrated grounding structure of full-shielding tubular bus |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110713 |