CN111834761B - Intermediate connection device and method for insulated tubular busbar and application - Google Patents

Intermediate connection device and method for insulated tubular busbar and application Download PDF

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Publication number
CN111834761B
CN111834761B CN202010701260.7A CN202010701260A CN111834761B CN 111834761 B CN111834761 B CN 111834761B CN 202010701260 A CN202010701260 A CN 202010701260A CN 111834761 B CN111834761 B CN 111834761B
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CN
China
Prior art keywords
insulating
tubular bus
sleeve
insulated
tube
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CN202010701260.7A
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Chinese (zh)
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CN111834761A (en
Inventor
李涛
梁美丽
吴佳明
张进东
杨长红
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Xingtai Saier Electrical Technology Co ltd
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Xingtai Saier Electrical Technology Co ltd
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Priority to CN202010701260.7A priority Critical patent/CN111834761B/en
Publication of CN111834761A publication Critical patent/CN111834761A/en
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Publication of CN111834761B publication Critical patent/CN111834761B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/60—Connections between or with tubular conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H01R4/72—Insulation of connections using a heat shrinking insulating sleeve

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  • Installation Of Bus-Bars (AREA)

Abstract

The utility model provides an intermediate junction device and method and application for insulating tubular busbar, includes the intermediate junction device body that has inside lining core (1), set up to distribute corresponding with inside lining core (1) and be used for the necessary main part of equipotential processing, through the intermediate junction device body, realized the connection between the end to insulating tubular busbar, through necessary main part, realized the equipotential processing between the end contact tube to insulating tubular busbar, consequently improved the intermediate junction security performance of insulating tubular busbar.

Description

Intermediate connection device and method for insulated tubular busbar and application
Technical Field
The invention relates to an intermediate connection device and a method, in particular to an intermediate connection device and a method for an insulated tubular busbar and application.
Background
An insulated tubular bus is a bus product which is substantially insulated by taking a copper pipe as a conductor and externally coating, and is also provided with an insulated aluminum pipe bus which is called as a tubular cable, wherein the insulated copper pipe bus has high current and can reach the characteristics of 12000A, high mechanical strength, good insulation, wide application range and the like at present, so that an intermediate connection device, a method and application for the insulated tubular bus are important cable accessories.
The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.
Disclosure of Invention
The object of the present invention is an intermediate connection device for insulated tubular busbars,
the object of the present invention is an intermediate connection method for insulated tubular bus bars,
the object of the present invention is the application of an intermediate connection device and method for insulated tubular busbars.
In order to overcome the technical disadvantages, the invention aims to provide an intermediate connection device and method for an insulated tubular busbar and application thereof, so that the intermediate connection safety performance of the insulated tubular busbar is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: an intermediate connection device for an insulated tubular busbar comprises an intermediate connection device body with an inner lining core, and necessary main components which are arranged to be distributed corresponding to the inner lining core and used for equipotential processing.
The intermediate connection device body and the necessary main parts are designed, the connection between the ends of the insulated tubular bus is realized through the intermediate connection device body, and the equipotential treatment between the end conductive tubes of the insulated tubular bus is realized through the necessary main parts, so that the intermediate connection safety performance of the insulated tubular bus is improved.
The invention designs that the intermediate connecting device body and the necessary main parts are mutually connected in an equipotential processing mode between the end conductive tubes of the insulating tubular bus.
The invention designs that the intermediate connecting device body further comprises an inner shielding pipe, an insulating layer, a metal shielding layer, an outer sheath and a stress cone.
The invention designs that necessary main components are arranged into a copper platform sleeve, a shielding case or a connecting pin and an equipotential line.
The invention designs that the spring touch finger type inner lining further comprises a first additional part which is arranged to be distributed corresponding to the inner lining core, and the first additional part is arranged to be the spring touch finger.
The invention designs that the watchband also comprises a second additional part which is arranged to be distributed corresponding to the inner lining core and is arranged as a watchband contact finger.
The invention designs that the outer sleeve further comprises a third additional part which is arranged to be distributed corresponding to the inner lining core, and the third additional part is arranged to comprise a fixing pin, a first outer sleeve and a second outer sleeve.
The invention designs that the novel aluminum alloy lining further comprises a fourth additional part which is arranged to be distributed corresponding to the lining core, and the fourth additional part is arranged to comprise a copper sleeve, a fixing pin and a screw.
The invention designs that the novel aluminum alloy lining further comprises a fifth additional part which is arranged to be distributed corresponding to the lining core, and the fifth additional part is arranged to comprise a copper sleeve and a screw rod.
The invention designs that the lining core is characterized by also comprising a sixth additional part which is arranged to be distributed corresponding to the lining core, and the sixth additional part is arranged to comprise a glue layer.
The invention designs that an inner lining core and a copper platform sleeve are arranged between the end heads of an insulating tubular bus, a fixed pin and an adhesive layer are respectively arranged between the inner lining core and the end heads of the insulating tubular bus, a first outer sleeve and a second outer sleeve are respectively arranged on the copper platform sleeve, a spring contact finger and an inner shielding tube are respectively arranged between the copper platform sleeve and the end heads of the insulating tubular bus, an insulating layer is arranged between the inner shielding tube and the end heads of the insulating tubular bus, a metal shielding layer and a stress cone are respectively arranged between the insulating layer and the end heads of the insulating tubular bus, and an outer sheath is arranged between the metal shielding layer and the end heads of the insulating tubular bus.
The invention designs that the lining core is provided with a lining part and a positioning table part, the middle part of the outer side surface of the lining part is connected with the positioning table part, the outer side surface of one section of the lining part is connected with the inner wall of the end conducting tube of one insulating tubular bus bar through a glue layer, one end surface of the positioning table part is connected with the end surface of the end conducting tube of one insulating tubular bus bar, the outer side surface of the other section of the lining part is connected with the inner wall of the end conducting tube of the other insulating tubular bus bar through a glue layer, the other end surface of the positioning table part is connected with the end surface of the end conducting tube of the other insulating tubular bus bar, a blind hole body is arranged on the outer side surface of the lining part and is connected with a fixed pin, the lining part is provided with a tubular body and the positioning table part is provided with an annular body, the blind hole bodies of the lining part are arranged into circular hole bodies and are arranged along the circumferential line of the lining part at intervals.
The invention designs that the glue layer is arranged into a silicon rubber sealant body with the waterproof grade reaching IP68 and is connected with the lining core and the end conductive tube of the insulating tubular bus in a filling manner.
The invention designs that the fixing pins are arranged into a round rod-shaped body, the lower end heads of the fixing pins are arranged to be connected with the lining core in an embedded mode, the end head conductive tube of the insulating tubular bus is provided with a through hole body, the upper end heads of the fixing pins are arranged to be connected with the through hole body on the end head conductive tube of the insulating tubular bus in a penetrating and serial mode, and the fixing pins are arranged to be distributed along the circumference line of the lining core at intervals.
The invention designs that the copper table sleeve comprises a sleeve part and a potential table part, the middle part of the outer side surface of the sleeve part is connected with the potential table part, the inner wall of the sleeve part is in contact connection with an end conductive tube of an insulating tubular bus, the outer side surface of the sleeve part is respectively connected with a first outer sleeve and a second outer sleeve, the end surface of the potential table part is respectively connected with the first outer sleeve and the second outer sleeve, the outer side surface of the potential table part is connected with an inner shielding tube, the contour line of the sleeve part is arranged to be a part of a circumferential line, the butt joint contour lines of the two sleeve parts are distributed in a circumferential line, the potential table part is arranged to be an annular body, the butt joint contour lines of the two potential table parts are distributed in a circumferential line, and the groove body is arranged to be a U-shaped open groove body.
The invention designs that the spring contact finger is connected with the copper platform sleeve in an embedded mode, and the inner wall of the spring contact finger is connected with the end conductive tube of the insulating tubular bus.
The invention designs that the first outer sleeve and the second outer sleeve are respectively arranged into a copper table-shaped body, the inner wall and the inner end surface of the first outer sleeve are respectively arranged to be connected with the copper table sleeve, the inner wall and the inner end surface of the second outer sleeve are respectively arranged to be connected with the copper table sleeve, and the outer end surface part of the first outer sleeve and the outer end surface part of the second outer sleeve are respectively arranged to be connected with an insulator of the end head of the insulating tubular bus.
The invention designs that the inner shielding pipe is arranged into a tubular body and is arranged to be connected with the insulating layer in an embedded mode, and the inner wall of the inner shielding pipe is respectively arranged to be connected with the copper platform sleeve and the insulator of the end head of the insulating tubular bus.
The invention designs that the insulating layer is a silicon rubber copper table-shaped body, the inner wall of the insulating layer is connected with the inner shielding tube and the insulator of the end head of the insulating tubular bus, the outer side surface of the insulating layer is connected with the metal shielding layer, and the insulating layer is connected with the stress cone in a containing mode.
The invention designs that the stress cone is arranged as a cable joint stress cone and is in embedded connection with an insulator and an insulating layer at the end head of the insulating tubular bus.
The invention designs that the metal shielding layer is arranged to be a copper strip shielding layer, the inner wall of the metal shielding layer is arranged to be connected with the insulating layer and the outer shielding layer of the end head of the insulating tubular bus, and the outer side part of the metal shielding layer is arranged to be connected with the outer sheath.
The invention designs that the outer sheath is a heat-shrinkable sleeve and is connected with the metal shielding layer and the outer sheath of the end head of the insulating tubular bus.
The invention designs that an inner lining core, an inner shielding pipe, an insulating layer, a metal shielding layer, an outer sheath, a stress cone, a spring contact finger and a copper table sleeve are arranged to be distributed according to a corresponding ring table mode, the inner lining core, the inner shielding pipe, the insulating layer, the metal shielding layer, the outer sheath, the stress cone, the spring contact finger and a fixing pin are arranged to be distributed according to a fixed mode of an internal rod, the inner lining core, the inner shielding pipe, the insulating layer, the metal shielding layer, the outer sheath, the stress cone, the spring contact finger and a first outer sleeve and a second outer sleeve are arranged to be distributed according to a fixed mode of an external copper table, the centrality of the inner lining core, the centrality of the copper table sleeve, the centrality of the first outer sleeve, the centrality of the second outer sleeve, the centrality of the inner shielding pipe, the centrality of the insulating layer, the centrality of the metal shielding layer, the centrality of the outer sheath and the centrality of the spring contact finger are arranged on the same straight line, the four spring contact fingers are respectively arranged and distributed at intervals along the transverse center line of the copper platform sleeve, the central circumferential line of the positioning platform part and the central circumferential line of the potential platform part are arranged on the same circumferential line, and the ratio of the width of the positioning platform part to the width of the potential platform part is set to be 1: 0.88-1.12.
The invention designs that the watchband contact finger is arranged between the copper platform sleeve and the end conductive tube of the insulating tubular bus.
The invention designs that the watchband contact fingers are connected with the copper platform sleeve in an embedded mode, and the inner walls of the watchband contact fingers are connected with the end conductive tubes of the insulating tube type buses.
The invention designs that the groove body of the copper platform sleeve is connected with the contact finger of the watchband.
The invention designs that an inner lining core and a copper sleeve are arranged between the ends of an insulating tubular bus, a spring contact finger is arranged between the inner lining core and the ends of the insulating tubular bus, a fixing pin is arranged between the copper sleeve and the ends of the insulating tubular bus, a screw is arranged between the copper sleeves, a shielding cover is arranged between the copper sleeve and the ends of the insulating tubular bus, a connecting pin is arranged between the shielding covers, an equipotential line is arranged between the connecting pin, an inner shielding tube is arranged between the shielding cover and the ends of the insulating tubular bus, an insulating layer is arranged between the inner shielding tube and the ends of the insulating tubular bus, a stress cone and a metal shielding layer are respectively arranged between the insulating layer and the ends of the insulating tubular bus, and an outer sheath is arranged between the metal shielding layer and the ends of the insulating tubular bus.
The invention designs that the lining core is provided with a lining part and a positioning table part, the middle part of the outer side surface of the lining part is connected with the positioning table part, the outer side surface of the lining part is provided with a groove body, the groove body is connected with a spring contact finger, the outer side surface of one section of the lining part is connected with a terminal contact tube of one insulating tubular busbar in a plug-in mode, one end surface of the positioning table part is connected with a terminal contact tube end surface of one insulating tubular busbar in a plug-in mode, the outer side surface of the other section of the lining part is connected with a terminal contact tube of the other insulating tubular busbar in a plug-in mode, the other end surface of the positioning table part is connected with a terminal contact tube of the other insulating tubular busbar in a plug-in mode, the lining part is provided with a tubular body, the positioning table part is provided with an annular U-shaped groove body, the groove body is provided with an annular U-shaped groove body, and the groove body is provided with the groove bodies distributed and arranged at intervals along the end surface line of the lining part .
The invention designs that the spring contact finger is connected with the lining core in an embedded mode, and the outer side face of the spring contact finger is connected with the end conductive tube of the insulating tubular bus.
The invention designs that a pin hole body is arranged on a cylinder part of a copper sleeve, a first threaded hole body is arranged on the end surface wall of the cylinder part, the pin hole body is connected with a fixed pin, the first threaded hole body is connected with a screw, the inner wall of the cylinder part is connected with an end conductive pipe of an insulated tubular bus, the end surface part and the outer side surface part of the cylinder part are respectively connected with a shielding cover, the contour line of the cylinder part is arranged to be a part of a circumference line, the butt joint contour lines of the two sleeve parts are arranged to be distributed in the circumference line, the first threaded hole body and the pin hole body are respectively arranged to be circular hole bodies, the first threaded hole bodies are arranged to be distributed at intervals along the transverse center line of the cylinder part, and the pin hole bodies are arranged to be distributed at intervals along the contour line of the cylinder part.
The invention designs that the fixing pins are arranged into a round rod-shaped body, the upper end heads of the fixing pins are connected with the copper sleeve in a penetrating mode, the end conductive tube of the insulating tubular bus is provided with a blind hole body, the lower end heads of the fixing pins are connected with the blind hole body on the end conductive tube of the insulating tubular bus in an embedded mode, the fixing pins are arranged and distributed at intervals along the contour line of the copper sleeve, and at least two groups of fixing pins are arranged and distributed at intervals along the transverse center line of the copper sleeve.
The invention provides that the screw is a countersunk head screw and is in threaded connection with the copper sleeve.
The invention designs that the shielding cover is arranged to comprise a cover sheet part and a flange part, the inner end surface part of the flange part is connected with the end surface part of the cover sheet part, the end face wall of the flange disc part is provided with a pin shaft hole body which is connected with a connecting pin, the inner side face of the cover plate part is connected with a copper sleeve in a contact mode, the outer side face of the cover plate part is connected with an inner shielding pipe in a contact mode, the outer end face of the flange disc part is connected with an end conductive pipe of an insulating tubular bus in a contact mode, the inner end face of the flange disc part is connected with the copper sleeve in a contact mode, the contour line of the cover plate part and the contour line of the flange disc part are respectively arranged to be a part of a circumferential line, the butt-joint contour lines of the two cover plate parts and the butt-joint contour lines of the two flange disc parts are arranged to be distributed in a circumferential line mode, and the pin shaft hole body is arranged to be a circular hole-shaped body.
The invention designs that the connecting pin is a circular rod-shaped body and is connected with the equipotential lines in a penetrating and serial manner, and the ends of the connecting pin are respectively connected with the shielding cover in an embedded manner.
The invention designs that the equipotential line is set to comprise a line part and a joint part, the ends of the line part are respectively set to be connected with the joint part, the joint part is set to be connected with a connecting pin in a sleeved mode, the line part is set to be a conducting wire, the joint part is set to be a P-shaped sheet body, and the inner end of the joint part is set to be connected with the equipotential line.
The invention designs that the inner shielding pipe is arranged into a tubular body and is arranged to be connected with the insulating layer in an embedded mode, and the inner wall of the inner shielding pipe is respectively arranged to be connected with the copper sleeve and the insulator of the end head of the insulating tubular bus.
The invention designs that the insulating layer is a silicon rubber tubular body, the inner wall of the insulating layer is connected with the inner shielding tube and the insulator of the end head of the insulating tubular bus, the outer side surface of the insulating layer is connected with the metal shielding layer, and the insulating layer is connected with the stress cone in a containing mode.
The invention designs that the stress cone is arranged as a cable joint stress cone and is in embedded connection with an insulator and an insulating layer at the end head of the insulating tubular bus.
The invention designs that the metal shielding layer is arranged to be a copper strip shielding layer, the inner wall of the metal shielding layer is arranged to be connected with the insulating layer and the outer shielding layer of the end head of the insulating tubular bus, and the outer side part of the metal shielding layer is arranged to be connected with the outer sheath.
The invention designs that the outer sheath is a heat-shrinkable sleeve and is connected with the metal shielding layer and the outer sheath of the end head of the insulating tubular bus.
The invention designs that an inner lining core, an inner shielding pipe, an insulating layer, a stress cone, a metal shielding layer, an outer sheath, spring contact fingers and equipotential lines are arranged to be distributed in a way of transversely distributing lead bodies, the inner lining core, the inner shielding pipe, the insulating layer, the stress cone, the metal shielding layer, the outer sheath, the spring contact fingers, a copper sleeve, a fixing pin and a screw are arranged to be distributed in a way of fixing a holding cylinder, the inner lining core, the inner shielding pipe, the insulating layer, the stress cone, the metal shielding layer, the outer sheath, the spring contact fingers, the shielding cover and the connecting pin are arranged to be distributed in a way of fixing an end stay wire, the centrality of the spring contact fingers, the centrality of the inner lining core, the centrality of the inner shielding pipe, the centrality of the insulating layer, the centrality of the metal shielding layer and the centrality of the outer sheath are arranged on the same straight line, four spring contact fingers are respectively arranged to be distributed at intervals along the transverse central line of the inner lining core, the two equipotential lines are arranged to be symmetrically distributed along the transverse center line of the lining core.
The invention designs that the watchband contact fingers are arranged between the lining core and the end conductive tube of the insulating tubular bus.
The invention designs that the watchband contact fingers are connected with the lining core in an embedded mode, and the outer side face parts of the watchband contact fingers are connected with the end conductive tubes of the insulating tube type buses.
The invention designs that the groove body of the lining core is connected with the contact finger of the watchband.
The invention designs that an inner lining core and a copper sleeve are arranged between the ends of an insulating tubular bus, a spring contact finger is arranged between the inner lining core and the ends of the insulating tubular bus, a screw rod is arranged between the copper sleeve and the ends of the insulating tubular bus, a shielding cover is arranged between the copper sleeve and the ends of the insulating tubular bus, a connecting pin is arranged between the shielding covers, a cable is arranged between the connecting pins, an inner shielding tube is arranged between the shielding cover and the ends of the insulating tubular bus, an insulating layer is arranged between the inner shielding tube and the ends of the insulating tubular bus, a stress cone and a metal shielding layer are respectively arranged between the insulating layer and the ends of the insulating tubular bus, and an outer sheath is arranged between the metal shielding layer and the ends of the insulating tubular bus.
The invention designs that the lining core is provided with a lining part and a positioning table part, the middle part of the outer side surface of the lining part is connected with the positioning table part, the outer side surface of the lining part is provided with a groove body, the groove body is connected with a spring contact finger, the outer side surface of one section of the lining part is connected with a terminal contact tube of one insulating tubular busbar in a plug-in mode, one end surface of the positioning table part is connected with a terminal contact tube end surface of one insulating tubular busbar in a plug-in mode, the outer side surface of the other section of the lining part is connected with a terminal contact tube of the other insulating tubular busbar in a plug-in mode, the other end surface of the positioning table part is connected with a terminal contact tube of the other insulating tubular busbar in a plug-in mode, the lining part is provided with a tubular body, the positioning table part is provided with an annular U-shaped groove body, the groove body is provided with an annular U-shaped groove body, and the groove body is provided with the groove bodies distributed and arranged at intervals along the end surface line of the lining part .
The invention designs that the spring contact finger is connected with the lining core in an embedded mode, and the outer side face of the spring contact finger is connected with the end conductive tube of the insulating tubular bus.
The invention designs that a second threaded hole body is arranged on a cylinder part of a copper sleeve and is connected with a screw rod, the inner wall of the cylinder part is connected with an end conductive tube of an insulated tubular bus, the end surface part and the outer side surface part of the cylinder part are respectively connected with a shielding cover, the cylinder part is a circular tubular body, the second threaded hole body is a circular hole body, and the second threaded hole body is arranged along the peripheral circular line of the cylinder part and distributed at intervals.
The invention designs that the screw is set to comprise a rod part, a cone part and an outer part, the inner end of the rod part is connected with the contraction head of the cone part, the expansion head of the cone part is connected with one end face of the cone part, the other end face of the cone part is connected with the inner end of the outer part, the rod part is connected with a copper sleeve in a threaded mode, the outer end of the rod part is connected with an end conductive tube of an insulating tubular bus, the rod part is set to be a threaded rod body, the cone part is set to be a circular cone body, the cone part is set to be a circular disc body, and the outer part is set to be a hexagonal disc body.
The invention designs that the shielding cover is arranged to comprise a cover sheet part and a flange part, the inner end surface part of the flange part is connected with the end surface part of the cover sheet part, the end face wall of the flange disc part is provided with a pin shaft hole body which is connected with a connecting pin, the inner side face of the cover plate part is connected with a copper sleeve in a contact mode, the outer side face of the cover plate part is connected with an inner shielding pipe in a contact mode, the outer end face of the flange disc part is connected with an end conductive pipe of an insulating tubular bus in a contact mode, the inner end face of the flange disc part is connected with the copper sleeve in a contact mode, the contour line of the cover plate part and the contour line of the flange disc part are respectively arranged to be a part of a circumferential line, the butt-joint contour lines of the two cover plate parts and the butt-joint contour lines of the two flange disc parts are arranged to be distributed in a circumferential line mode, and the pin shaft hole body is arranged to be a circular hole-shaped body.
The invention designs that the connecting pin is a circular rod-shaped body and is connected with the cable in a penetrating manner, and the ends of the connecting pin are respectively connected with the shielding cover in an embedded manner.
The invention designs that the cable is provided with a wire part and a joint part, the ends of the wire part are respectively connected with the joint part, the joint part is connected with the connecting pin in a sleeved mode, the wire part is provided with a conducting wire, the joint part is provided with a P-shaped sheet body, and the inner end of the joint part is connected with the cable.
The invention designs that the inner shielding pipe is arranged into a tubular body and is arranged to be connected with the insulating layer in an embedded mode, and the inner wall of the inner shielding pipe is respectively arranged to be connected with the copper sleeve and the insulator of the end head of the insulating tubular bus.
The invention designs that the insulating layer is a silicon rubber tubular body, the inner wall of the insulating layer is connected with the inner shielding tube and the insulator of the end head of the insulating tubular bus, the outer side surface of the insulating layer is connected with the metal shielding layer, and the insulating layer is connected with the stress cone in a containing mode.
The invention designs that the stress cone is arranged as a cable joint stress cone and is in embedded connection with an insulator and an insulating layer at the end head of the insulating tubular bus.
The invention designs that the metal shielding layer is arranged to be a copper strip shielding layer, the inner wall of the metal shielding layer is arranged to be connected with the insulating layer and the outer shielding layer of the end head of the insulating tubular bus, and the outer side part of the metal shielding layer is arranged to be connected with the outer sheath.
The invention designs that the outer sheath is a heat-shrinkable sleeve and is connected with the metal shielding layer and the outer sheath of the end head of the insulating tubular bus.
The invention designs that an inner lining core, an inner shielding pipe, an insulating layer, a stress cone, a metal shielding layer, an outer sheath, spring contact fingers and a cable are arranged to be distributed according to a mode of transversely distributing a conductor body, the inner lining core, the inner shielding pipe, the insulating layer, the stress cone, the metal shielding layer, the outer sheath, the spring contact fingers, a copper sleeve and a screw rod are arranged to be distributed according to a mode of fixing a bobbin, the inner lining core, the inner shielding pipe, the insulating layer, the stress cone, the metal shielding layer, the outer sheath, the spring contact fingers, the shielding cover and a connecting pin are arranged to be distributed according to a mode of fixing an end stay wire, the centrality of the spring contact fingers, the centrality of the inner lining core, the centrality of the copper sleeve, the centrality of the inner shielding pipe, the centrality of the insulating layer, the centrality of the metal shielding layer and the centrality of the outer sheath are arranged on the same straight line, and the four spring contact fingers are respectively arranged to be distributed at intervals along the transverse central line of the inner lining core, the two cables are symmetrically distributed along the transverse center line of the lining core, the cylinder part is respectively connected with the cover sheet part and the flange disc part, and the rod part is connected with the second threaded hole body.
The invention designs that the watchband contact fingers are arranged between the lining core and the end conductive tube of the insulating tubular bus.
The invention designs that the watchband contact fingers are connected with the lining core in an embedded mode, and the outer side face parts of the watchband contact fingers are connected with the end conductive tubes of the insulating tube type buses.
The invention designs that the groove body of the lining core is connected with the contact finger of the watchband.
The invention designs that the screw is arranged as an inner hexagon bolt.
The invention designs an intermediate connection method for an insulating tubular bus, which comprises the following steps: the main parts necessary for equipotential processing between the end conductive tubes of the insulated tubular bus are installed in the intermediate connecting device body.
The invention designs that the method comprises the following steps: stripping the end of the insulating tubular bus to expose the end conductive tube of the insulating tubular bus, drilling a through hole body on the end conductive tube of the insulating tubular bus, respectively coating a silicone rubber sealant on the inner wall of the end conductive tube of the insulating tubular bus and the outer side of the lining part, inserting the lining part into the end conductive tube of the insulating tubular bus, installing a fixing pin in the through hole body and the blind hole body of the lining part on the end conductive tube of the insulating tubular bus, installing four spring contact fingers or a watchband contact finger on the end conductive tube of the insulating tubular bus, installing two sleeve parts on the end conductive tube of the insulating tubular bus to locate the spring contact finger or the watchband contact finger in the groove body, respectively installing a first outer sleeve and a second outer sleeve on the two sleeve parts to enable the potential table part to correspond to the positioning table part, installing an inner shielding tube on an insulator of the end of the copper table sleeve and the insulating tubular bus, the insulating layer is arranged on the insulator at the end of the inner shielding tube and the insulating tubular bus, the stress cone is arranged in the insulator and the insulating layer at the end of the insulating tubular bus, the metal shielding layer is arranged on the insulating layer and the outer shielding layer at the end of the insulating tubular bus, and the outer sheath is arranged on the metal shielding layer and the outer shielding layer at the end of the insulating tubular bus.
The invention designs that the method comprises the following steps: stripping the end of the insulating tubular bus to expose the end conductive tube of the insulating tubular bus, drilling a blind hole body on the end conductive tube of the insulating tubular bus, positioning four spring contact fingers or watchband contact fingers in the groove body, inserting the lining part into the end conductive tube of the insulating tubular bus to make the outer side parts of the spring contact fingers or the outer side parts of the watchband contact fingers respectively act on the inner wall of the end conductive tube of the insulating tubular bus, mounting two tube parts on the end conductive tube of the insulating tubular bus, connecting the two tube parts together through a screw and a first threaded hole body, wrapping the two tube parts on the end conductive tube of the insulating tubular bus, mounting a fixing pin in the blind hole bodies of the pin shaft hole body and the end conductive tube of the insulating tubular bus, mounting two cover sheet parts and a flange part on the tube parts, mounting a joint part on the connecting pin, the end of the connecting pin is inserted into the pin shaft hole body, so that the two cover sheet parts and the flange plate part are clamped on the cylinder part, the two wire parts are installed on the end conducting tube of the insulating tubular bus, the inner shielding tube is installed on the insulator of the end of the cover sheet part and the insulating tubular bus, the insulating layer is installed on the insulator of the end of the inner shielding tube and the insulating tubular bus, the stress cone is installed in the insulator and the insulating layer of the end of the insulating tubular bus, the metal shielding layer is installed on the insulating layer and the outer shielding layer of the end of the insulating tubular bus, and the outer sheath is installed on the metal shielding layer and the outer shielding layer of the end of the insulating tubular bus.
The invention designs that the method comprises the following steps: peeling off the end of the insulating tubular bus to expose the end conductive tube of the insulating tubular bus, positioning the four spring contact fingers or the watchband contact fingers in the groove body, inserting the lining part into the end conductive tube of the insulating tubular bus, enabling the outer side parts of the spring contact fingers or the outer side parts of the watchband contact fingers to respectively act on the inner wall of the end conductive tube of the insulating tubular bus, mounting the tube part on the end conductive tube of the insulating tubular bus, rotating the screw rod in the second threaded hole body, mounting the tube part on the end conductive tube of the insulating tubular bus, enabling the outer end of the screw rod to act on the end conductive tube of the insulating tubular bus, mounting the two cover plate parts and the flange on the tube part, mounting the joint part on the connecting pin, inserting the end of the connecting pin into the pin hole body, and thus clamping the two cover plate parts and the flange part on the tube part, installing two wire parts on an end conductive tube of an insulating tubular bus, installing an inner shielding tube on a cover piece part and an insulator of the end of the insulating tubular bus, installing an insulating layer on the inner shielding tube and the insulator of the end of the insulating tubular bus, installing a stress cone in the insulator and the insulating layer of the end of the insulating tubular bus, installing a metal shielding layer on the insulating layer and an outer shielding layer of the end of the insulating tubular bus, installing an outer sheath on the metal shielding layer and the outer sheath of the end of the insulating tubular bus, when the end of the insulating tubular bus needs to be reinstalled, stripping the inner shielding tube, the insulating layer, the stress cone, the metal shielding layer and the outer sheath to enable a screw rod to rotate in the second threaded hole in the opposite direction, separating an outer end of the screw rod from the conductive end tube of the insulating tubular bus, and pulling out the end tube of the insulating tubular bus from between an inner lining core and a copper sleeve, the end conductive tube of the insulating tubular bus is exposed.
An intermediate connection device and a method for an insulated tubular busbar are applied to a 27.5kV power supply line.
In the technical scheme, an intermediate connecting device body and necessary main components for equipotential processing between end conductive tubes of an insulated tubular bus are important technical features, and the intermediate connecting device and the method for the insulated tubular bus and the application thereof have novelty, creativity and practicability in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a schematic view of one of the first embodiments of the present invention,
figure 2 is a schematic diagram of the construction of a spring finger 10,
figure 3 is a schematic structural view of the liner core 1 according to one of the first embodiments of the present invention,
figure 4 is a schematic view of the construction of the sleeve 3 of the liner core 1 according to one of the first embodiments of the present invention,
figure 5 is a right side view of figure 4,
figure 6 is a schematic view of the structure of the first outer sleeve 4 and the second outer sleeve 5,
figure 7 is a schematic view of a second embodiment of the present invention,
figure 8 is a schematic view of the structure of the strap finger 20,
figure 9 is a right side view of figure 8,
figure 10 is a schematic view of a third embodiment of the present invention,
figure 11 is a schematic view of the structure of a liner core 1 according to a third embodiment of the present invention,
figure 12 is a schematic structural view of a copper sleeve 23 according to a third embodiment of the present invention,
figure 13 is a right side view of figure 12,
figure 14 is a schematic structural view of a shield 26 according to a third embodiment of the present invention,
figure 15 is a right side view of figure 14,
FIG. 16 is a schematic diagram of a third embodiment of an equipotential line 28 according to the present invention
Figure 17 is a schematic view of a fourth embodiment of the present invention,
figure 18 is a schematic view of a fifth embodiment of the present invention,
figure 19 is a schematic structural view of a copper bush 23 according to a fifth embodiment of the present invention,
figure 20 is a right side view of figure 19,
FIG. 21 is a schematic structural view of a screw 24 according to a fifth embodiment of the present invention,
figure 22 is a right side view of figure 21,
figure 23 is a schematic view of a sixth embodiment of the present invention,
an inner lining core-1, a fixed pin-2, a barrel sleeve-3, a first outer sleeve-4, a second outer sleeve-5, an inner shielding pipe-6, an insulating layer-7, a metal shielding layer-8, an outer sheath-9, a glue layer-91, a stress cone-92, a spring contact finger-10, a watchband contact finger-20, a sleeve part-31, a potential platform part-32, a groove body-33, a copper sleeve-23, a screw-25, a shielding cover-26, a connecting pin-27, an equipotential line-28, a stress cone-92, a liner part-11, a positioning platform part-12, a groove body-13, a barrel part-231, a first threaded hole body-232, a pin hole body-233, a cover sheet part-61, a flange plate part-62, a pin hole body-63, a pin hole body-61, a spring contact finger-20, a pin hole body-23, a pin hole body-9, a spring contact finger, a spring, a wire part-81, a joint part-82, a copper sleeve-23, a screw-24, a second threaded hole-34, a rod part-41, a frustum part-42, a circular truncated cone part-43 and an outer truncated cone part-44.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An intermediate connection device for an insulated tubular bus bar, wherein fig. 1 is one of the first embodiments of the present invention, which is specifically described with reference to the accompanying drawings and comprises a spring contact finger 10, an inner lining core 1, a fixed pin 2, a copper platform sleeve 3, a first outer sleeve 4, a second outer sleeve 5, an inner shielding tube 6, an insulating layer 7, a metal shielding layer 8, an outer sheath 9, an adhesive layer 91 and a stress cone 92, wherein the inner lining core 1 and the copper platform sleeve 3 are arranged between the ends of the insulated tubular bus bar, the fixed pin 2 and the adhesive layer 91 are respectively arranged between the inner lining core 1 and the ends of the insulated tubular bus bar, the first outer sleeve 4 and the second outer sleeve 5 are respectively arranged on the copper platform sleeve 3, the spring contact finger 10 and the inner shielding tube 6 are respectively arranged between the copper platform sleeve 3 and the ends of the insulated tubular bus bar, and the insulating layer 7 is arranged between the inner shielding tube 6 and the ends of the insulated tubular bus bar, a metal shielding layer 8 and a stress cone 92 are respectively arranged between the insulating layer 7 and the end of the insulating tubular busbar, and an outer sheath 9 is arranged between the metal shielding layer 8 and the end of the insulating tubular busbar.
In the present embodiment, the lining core 1 is provided to include the lining portion 11 and the positioning table portion 12 and the middle portion of the outer side surface of the lining portion 11 is provided to be coupled with the positioning table portion 12, the outer side surface portion of one of the segments of the lining portion 11 is provided to be coupled with the end conductor inner wall of one of the insulated tubular bus bars through the glue layer 91 and one of the end surface portions of the positioning table portion 12 is provided to be coupled with the end conductor end surface portion of one of the insulated tubular bus bars, the outer side surface portion of the other of the segments of the lining portion 11 is provided to be coupled with the end conductor inner wall of the other of the insulated tubular bus bars through the glue layer 91 and the other of the positioning table portion 12 is provided to be coupled with the end conductor end surface portion of the other of the insulated tubular bus bars, the blind hole body is provided at the outer side surface portion of the lining portion 11 and the blind hole body of the lining portion 11 is provided to be coupled with the fixing pin 2, the lining portion 11 is provided as a tubular body and the positioning table portion 12 is provided as an annular body, the blind holes of the lining part 11 are circular holes and the blind holes of the lining part 11 are arranged along the circumference of the lining part 11 at intervals.
Through inside lining core 1, formed the support tie point to fixed pin 2 and glue film 91, by liner portion 11, realized being connected with fixed pin 2, realized being connected with glue film 91, by locating stage portion 12, realized the limited processing to the distance between the end contact tube of two insulation tubular bus-bars, its technical objective lies in: the insulating tubular bus bar is used as a component for supporting the inside of a terminal conducting tube of the insulating tubular bus bar.
In the present embodiment, the adhesive layer 91 is provided as a silicone rubber sealant body having a waterproof rating of IP68 and the adhesive layer 91 is provided to be coupled in a filling manner with the inner core 1 and the end contact tube of the insulated tubular busbar.
Through glue film 91, formed the support tie point to inside lining core 1, by glue film 91, realized being connected with inside lining core 1, its technical aim at: the waterproof component is used for waterproofing the end contact tube of the insulating tubular bus.
In this embodiment, the fixing pins 2 are provided as a circular rod-shaped body and the lower end of the fixing pins 2 are provided to be coupled with the inner core 1 in an embedded manner, the end contact tube of the insulated tubular busbar is provided with a through hole body and the upper end of the fixing pins 2 is provided to be coupled with the through hole body in the end contact tube of the insulated tubular busbar in a string manner, and the fixing pins 2 are provided to be spaced apart from each other along the circumference of the inner core 1.
Through fixed pin 2, formed the support tie point to inside lining core 1, by fixed pin 2, realized being connected with inside lining core 1, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the lining core 1.
In the present embodiment, the copper stage 3 is provided to include the sleeve portion 31 and the stage portion 32 and the middle portion of the outer side surface of the sleeve portion 31 is provided to be coupled with the stage portion 32, the groove portion 33 is provided on the inner wall of the sleeve portion 31 and the groove portion 33 is provided to be coupled with the spring contact finger 10, the inner wall of the sleeve portion 31 is provided to be coupled with the terminal contact tube of the insulated tubular bus bar and the outer side surface portion of the sleeve portion 31 is provided to be coupled with the first outer tube 4 and the second outer tube 5, respectively, the end surface portion of the stage portion 32 is provided to be coupled with the first outer tube 4 and the second outer tube 5 and the outer side surface portion of the stage portion 32 is provided to be coupled with the inner shield tube 6, the contour line of the sleeve portion 31 is provided as a part of a circumferential line and the contour lines of the two sleeve portions 31 are butt-arranged to be distributed in a circumferential line, the stage portion 32 is provided as an annular body and the butt contour lines of the two stage portions 32 are provided to be distributed in a circumferential line, the groove body 33 is provided as a U-shaped open groove body.
Through copper platform cover 3, formed the support tie point that touches finger 10, first outer tube 4, second outer tube 5 and interior shield pipe 6 to the spring, by the groove body 33, realized touching the connection that indicates 10 with the spring, by cover portion 31, realized being connected with first outer tube 4, realized being connected with second outer tube 5, by electric potential stage portion 32, realized being connected with interior shield pipe 6, its technical aim at: the insulating tubular bus is used as a part for performing equipotential treatment on the end conductive tube of the insulating tubular bus.
In this embodiment, the spring contact finger 10 is configured to be embedded in the copper platform 3 and the inner wall of the spring contact finger 10 is configured to be coupled to the end conductive tube of the insulated tubular bus.
Touch through the spring and indicate 10, formed the support tie point to copper platform cover 3, touched by the spring and indicated 10, realized being connected with copper platform cover 3, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the copper platform sleeve 3.
In the present embodiment, the first outer sleeve 4 and the second outer sleeve 5 are respectively provided as a copper table and the inner wall and the inner end face portion of the first outer sleeve 4 are respectively provided to be coupled with the copper table 3, the inner wall and the inner end face portion of the second outer sleeve 5 are respectively provided to be coupled with the copper table 3 and the outer end face portion of the first outer sleeve 4 and the outer end face portion of the second outer sleeve 5 are respectively provided to be coupled with the insulator of the terminal of the insulated tubular busbar.
Through first outer tube 4 and second outer tube 5, formed the support tie point to copper platform cover 3, by first outer tube 4 and second outer tube 5, realized being connected with copper platform cover 3, its technical aim at: for integrally connecting the copper table 3.
In the present embodiment, the inner shield pipe 6 is provided as a tubular body and the inner shield pipe 6 is provided to be in embedded coupling with the insulating layer 7, and the inner walls of the inner shield pipe 6 are provided to be in insulating coupling with the copper shell 3 and the end of the insulated tubular busbar, respectively.
Through interior shielding pipe 6, formed the support tie point to copper platform cover 3 and insulating layer 7, by interior shielding pipe 6, realized being connected with copper platform cover 3, realized being connected with insulating layer 7, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the insulating layer 7 is provided as a silicone rubber copper mesa and the inner wall of the insulating layer 7 is provided to be coupled with the inner shield tube 6 and the insulator of the end of the insulating tubular busbar, the outer side surface portion of the insulating layer 7 is provided to be coupled with the metal shield layer 8 and the insulating layer 7 is provided to be coupled with the stress cone 92 in a contained manner.
Through insulating layer 7, formed the support tie point to inner shield pipe 6, metallic shield 8 and stress cone 92, by insulating layer 7, realized being connected with inner shield pipe 6, realized being connected with metallic shield 8, realized being connected with stress cone 92, its technical aim at: the insulating tubular busbar is used as a component for insulating the end of the insulating tubular busbar.
In this embodiment, the stress cone 92 is provided as a cable joint stress cone and the stress cone 92 is provided in embedded connection with the insulation of the end of the insulated tubular busbar and the insulating layer 7.
Through stress cone 92, the support connection point to insulating layer 7 is formed, and by stress cone 92, the connection with insulating layer 7 is realized, and the technical purpose is as follows: the insulating tubular busbar is used as a part for reinforcing and connecting the insulating tubular busbar and the insulating layer 7.
In the present embodiment, the metal shielding layer 8 is configured as a copper tape shielding layer and the inner wall of the metal shielding layer 8 is configured to be coupled with the insulating layer 7 and the outer shielding layer of the end of the insulating tubular busbar, and the outer side portion of the metal shielding layer 8 is configured to be coupled with the outer sheath 9.
Through metallic shield 8, formed the support tie point to insulating layer 7 and oversheath 9, by metallic shield 8, realized being connected with insulating layer 7, realized being connected with oversheath 9, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the outer sheath 9 is provided as a heat shrinkable tube and the outer sheath 9 is provided to be coupled with the metal shield layer 8 and the outer sheath of the end of the insulated tubular bus bar.
Through oversheath 9, formed the support tie point to metal shielding layer 8, by oversheath 9, realized being connected with metal shielding layer 8, its technical aim at: the insulating tubular bus bar is used as a part for carrying out external protection treatment on the end of the insulating tubular bus bar.
In the present embodiment, the inner core 1, the inner shield tube 6, the insulating layer 7, the metal shield layer 8, the outer sheath 9, the stress cone 92, the spring contact fingers 10 and the copper stage 3 are disposed to be distributed in a corresponding ring-stage manner, the inner core 1, the inner shield tube 6, the insulating layer 7, the metal shield layer 8, the outer sheath 9, the stress cone 92, the spring contact fingers 10 and the fixing pins 2 are disposed to be distributed in a fixed manner according to the inner rod, the inner core 1, the inner shield tube 6, the insulating layer 7, the metal shield layer 8, the outer sheath 9, the stress cone 92, the spring contact fingers 10, the first outer tube 4 and the second outer tube 5 are disposed to be distributed in a fixed manner according to the outer copper stage, the centrality of the inner core 1, the centrality of the copper stage sleeve 3, the centrality of the first outer tube 4, the centrality of the second outer tube 5, the centrality of the inner shield tube 6, the centrality of the insulating layer 7, the centrality of the metal shield layer 8, the centrality of the copper stage sleeve 3, the inner shield tube, the copper stage sleeve 3, the copper stage sleeve, the inner shield layer, the inner shield, The centricity of the outer sheath 9 and the centricity of the spring contact fingers 10 are arranged on the same straight line, the four spring contact fingers 10 are respectively arranged and distributed at intervals along the transverse central line of the copper platform sleeve 3, the central circumferential line of the positioning platform part 12 and the central circumferential line of the potential platform part 32 are arranged on the same circumferential line, and the ratio of the width of the positioning platform part 12 to the width of the potential platform part 32 is set to be 1: 0.88-1.12.
In one of supporting examples of one of the first embodiments of the present invention, the ratio of the width of the positioning table portion 12 to the width of the potential table portion 32 is set to 1: 0.88.
In a second supporting example of the first embodiment of the present invention, the ratio of the width of the positioning table section 12 to the width of the potential table section 32 is set to 1: -1.12.
In a third supporting example of the first embodiment of the present invention, the ratio of the width of the positioning table portion 12 to the width of the potential table portion 32 is set to 1: 1.
Fig. 7 is a second embodiment of the present invention, which is specifically described with reference to the drawings, and includes a strap contact finger 20, and the strap contact finger 20 is disposed between the copper platform sleeve 3 and the end conductive tube of the insulated tubular busbar.
In the present embodiment, the strap contact fingers 20 are provided to be in embedded coupling with the copper shoe 3 and the inner walls of the strap contact fingers 20 are provided to be coupled with the end contact tubes of the insulated tubular bus bar.
Touch through the watchband and indicate 20, formed the support tie point to copper platform cover 3, touched finger 20 by the watchband, realized being connected with copper platform cover 3, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the copper platform sleeve 3.
In this embodiment, the groove 33 of the copper shoe 3 is provided to couple with the band finger 20.
The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
An intermediate connection method for an insulated tubular busbar according to a first embodiment of the present invention comprises the steps of: stripping the end of the insulated tubular bus to expose the end conductive tube of the insulated tubular bus, drilling a through hole body on the end conductive tube of the insulated tubular bus, respectively coating a silicon rubber sealant of a glue layer 91 on the inner wall of the end conductive tube of the insulated tubular bus and the outer side surface of the lining part 11, inserting the lining part 11 into the end conductive tube of the insulated tubular bus, installing a fixing pin 2 in the through hole body on the end conductive tube of the insulated tubular bus and the blind hole body of the lining part 11, installing four spring contact fingers 10 or a watchband contact finger 20 on the end conductive tube of the insulated tubular bus, installing two sleeve parts 31 on the end conductive tube of the insulated tubular bus to enable the spring contact finger 10 or the watchband contact finger 20 to be positioned in the concave groove body 33, respectively installing a first outer sleeve 4 and a second outer sleeve 5 on the two sleeve parts 31 to enable the electric potential platform part 32 to correspond to the positioning platform part 12, an inner shield pipe 6 is attached to an insulator at the end of a copper stage cover 3 and an insulated tubular bus bar, an insulating layer 7 is attached to the insulator at the end of the inner shield pipe 6 and the insulated tubular bus bar, a stress cone 92 is attached to the insulator at the end of the insulated tubular bus bar and the insulating layer 7, a metal shield layer 8 is attached to the insulating layer 7 and an outer shield layer at the end of the insulated tubular bus bar, and an outer shield 9 is attached to the metal shield layer 8 and an outer shield layer at the end of the insulated tubular bus bar.
Fig. 10 is a third embodiment of the present invention, which is specifically described with reference to the drawings, and includes a spring contact finger 10, an inner liner core 1, a copper sleeve 23, a fixing pin 2, a screw 25, a shield cover 26, a connecting pin 27, an equipotential line 28, an inner shield tube 6, an insulating layer 7, a stress cone 92, a metal shield layer 8, and an outer sheath 9, wherein the inner liner core 1 and the copper sleeve 23 are disposed between ends of an insulated tubular bus, the spring contact finger 10 is disposed between the inner liner core 1 and an end of the insulated tubular bus, the fixing pin 2 is disposed between the copper sleeve 23 and the end of the insulated tubular bus, the screw 25 is disposed between the copper sleeve 23 and the shield cover 26, the connecting pin 27 is disposed between the shield cover 26 and the end of the insulated tubular bus, the inner shield tube 6 is disposed between the shield cover 26 and the end of the insulated tubular bus, and the end of the insulated tubular bus is disposed between the shield tube 6 and the end of the insulated tubular bus An insulating layer 7 is arranged between the insulating layer 7 and the end of the insulating tubular bus, a stress cone 92 and a metal shielding layer 8 are respectively arranged between the insulating layer 7 and the end of the insulating tubular bus, and an outer sheath 9 is arranged between the metal shielding layer 8 and the end of the insulating tubular bus.
In the present embodiment, the lining core 1 is provided to include the lining portion 11 and the locating table portion 12 and the middle portion of the outer side surface of the lining portion 11 is provided to be coupled with the locating table portion 12, the groove body 13 is provided at the outer side surface portion of the lining portion 11 and the groove body 13 is provided to be coupled with the spring contact finger 10, the outer side surface portion of one of the sections of the lining portion 11 is provided to be plug-coupled with the terminal contact tube of one of the insulated tubular bus bars and one of the end surface portions of the locating table portion 12 is provided to be coupled with the terminal contact tube end portion of one of the insulated tubular bus bars, the outer side surface portion of the other of the sections of the lining portion 11 is provided to be plug-coupled with the terminal contact tube of the other of the insulated tubular bus bars and the other end surface portion of the locating table portion 12 is provided to be coupled with the terminal contact tube end portion of the other of the insulated tubular bus bars, the lining portion 11 is provided as a tubular body and the locating table portion 12 is provided as an annular body, the groove bodies 13 are provided as annular U-shaped groove bodies and the groove bodies 13 are provided so as to be arranged at intervals along the circumferential line of the liner portion 11.
Through inside lining core 1, formed the support tie point that touches finger 10 to the spring, by the notch body 13, realized touching finger 10's being connected with the spring, by bushing portion 11, realized supporting the processing to the end contact tube of two insulation tubular busbar, by locating stage portion 12, realized the limited processing of distance between the end contact tube to two insulation tubular busbar, its technical aim at: the insulating tubular bus bar is used as a component for supporting the inside of a terminal conducting tube of the insulating tubular bus bar.
In the present embodiment, the spring contact finger 10 is provided to be embedded in the inner liner core 1 and the outer side surface portion of the spring contact finger 10 is provided to be coupled to the terminal contact tube of the insulated tubular bus bar.
Through spring touch finger 10, formed the support tie point to inside lining core 1, touched finger 10 by the spring, realized being connected with inside lining core 1, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the lining core 1.
In the present embodiment, a pin hole body 233 is provided on the cylindrical portion 231 of the copper bush 23 and a first screw hole body 232 is provided on an end face wall of the cylindrical portion 231, the pin hole body 233 is provided to be coupled with the fixing pin 2 and the first screw hole body 232 is provided to be coupled with the screw 25, an inner wall of the cylindrical portion 231 is provided to be coupled with the terminal contact tube of the insulated tubular bus bar and end face and outer side face portions of the cylindrical portion 231 are provided to be coupled with the shield shell 26, respectively, a contour line of the cylindrical portion 231 is provided as a part of a circumferential line and abutting contour lines of the two bush portions 31 are provided to be distributed in the circumferential line, the first screw hole body 232 and the pin hole body 233 are provided as circular hole bodies and the first screw hole bodies 232 are provided to be distributed at intervals along the contour line of the cylindrical portion 231, respectively, and the pin hole bodies 233 are provided to be distributed at intervals along the contour line of the cylindrical portion 231.
Through copper sheathing 23, formed the support connection point to fixed pin 2, screw 25 and shield cover 26, by the round pin axle hole body 233, realized being connected with fixed pin 2, by first screw hole body 232, realized being connected with screw 25, by section of thick bamboo portion 231, realized being connected with shield cover 26, its technical aim at: the insulating tubular bus bar is used as a component for performing intermediate connection on the end conductive tube of the insulating tubular bus bar.
In this embodiment, the fixing pins 2 are set to be circular rod-shaped bodies and the upper ends of the fixing pins 2 are set to be connected with the copper sleeve 23 in a penetrating manner, blind holes are formed in the end conductive tubes of the insulated tubular bus, the lower ends of the fixing pins 2 are set to be connected with the blind holes in the end conductive tubes of the insulated tubular bus in an embedded manner, the fixing pins 2 are arranged to be distributed along the contour lines of the copper sleeve 23 in an interval manner, and at least two groups of fixing pins 2 are arranged to be distributed along the transverse central line of the copper sleeve 23 in an interval manner.
Through fixed pin 2, formed the support tie point to copper sheathing 23, by fixed pin 2, realized being connected with copper sheathing 23, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the copper sleeve 23.
In the present embodiment, the screw 25 is provided as a countersunk screw and the screw 25 is provided to be screw-coupled with the copper bush 23.
Through screw 25, formed the support connection point to copper sheathing 23, realized being connected with copper sheathing 23 by screw 25, its technical objective lies in: for use as a means of joining together two copper sleeves 23.
In this embodiment, the shield case 26 is configured to include a cover piece portion 61 and a flange portion 62 and the inner end face portion of the flange portion 62 is configured to be coupled with the end face portion of the cover piece portion 61, a pin hole body 63 is provided on the end face wall of the flange portion 62 and the pin hole body 63 is configured to be coupled with the connection pin 27, the inner side face portion of the cover piece portion 61 is configured to be coupled with the copper sleeve 23 in contact and the outer side face portion of the cover piece portion 61 is configured to be coupled with the inner shield pipe 6 in contact, the outer end face portion of the flange portion 62 is configured to be coupled with the end conductive pipe of the insulated pipe type bus bar in contact and the inner end face portion of the flange portion 62 is configured to be coupled with the copper sleeve 23 in contact, the contour line of the cover piece portion 61 and the contour line of the flange portion 62 are respectively configured to be a part of a circumferential line and the abutting contour lines of the two cover piece portions 61 and the abutting contour lines of the two flange portions 62 are configured to be distributed in line, the pin hole body 63 is a circular hole body.
Through shield cover 26, formed the support tie point to copper sheathing 23, connecting pin 27 and interior shield pipe 6, by flange dish portion 62, realized being connected with copper sheathing 23, by round pin axle hole body 63, realized being connected with connecting pin 27, by cover piece portion 61, realized being connected with interior shield pipe 6, its technical aim at: for connecting to the potential line 28.
In this embodiment, the connecting pins 27 are configured as circular rod-shaped bodies and the connecting pins 27 are configured to be coupled with the equipotential lines 28 in a penetrating manner, and the ends of the connecting pins 27 are respectively configured to be coupled with the shielding cases 26 in an embedded manner.
The connection pins 27 form supporting connection points for the shielding case 26 and the equipotential lines 28, and the connection pins 27 are connected with the shielding case 26 and the equipotential lines 28, so that the technical purpose is as follows: as a means for connecting the two shields 26 together.
In the present embodiment, the equipotential line 28 is configured to include a line portion 81 and a terminal portion 82 and ends of the line portion 81 are respectively configured to be coupled to the terminal portions 82, the terminal portions 82 are configured to be coupled to the connection pins 27 in a socket manner and the line portion 81 is configured to be a conductive line, the terminal portions 82 are configured to be P-shaped sheets and inner ends of the terminal portions 82 are configured to be coupled to the equipotential line 28.
The equipotential line 28 forms a supporting connection point for the connection pin 27, the connection with the connection pin 27 is realized by the joint part 82, the equipotential connection to the end conductive tube of the insulated tubular bus is realized by the line part 81, and the technical purpose is that: the insulating tubular bus is used as a part for performing equipotential treatment on the end conductive tube of the insulating tubular bus.
In the present embodiment, the inner shield pipe 6 is provided as a tubular body and the inner shield pipe 6 is provided to be in embedded coupling with the insulating layer 7, and the inner walls of the inner shield pipe 6 are provided to be in coupling with the copper jacket 23 and the insulator of the end of the insulated tubular busbar, respectively.
Through interior shielded cell 6, formed the support tie point to shield cover 26 and insulating layer 7, by interior shielded cell 6, realized being connected with shield cover 26, realized being connected with insulating layer 7, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the insulating layer 7 is provided as a silicone rubber cylindrical body and the inner wall of the insulating layer 7 is provided to be coupled with the inner shield tube 6 and the insulator of the end of the insulating tubular busbar, the outer side face portion of the insulating layer 7 is provided to be coupled with the metal shield layer 8 and the insulating layer 7 is provided to be coupled with the stress cone 92 in a contained manner.
Through insulating layer 7, formed the support tie point to inner shield pipe 6, metallic shield 8 and stress cone 92, by insulating layer 7, realized being connected with inner shield pipe 6, realized being connected with metallic shield 8, realized being connected with stress cone 92, its technical aim at: the insulating tubular busbar is used as a component for insulating the end of the insulating tubular busbar.
In this embodiment, the stress cone 92 is provided as a cable joint stress cone and the stress cone 92 is provided in embedded connection with the insulation of the end of the insulated tubular busbar and the insulating layer 7.
Through stress cone 92, the support connection point to insulating layer 7 is formed, and by stress cone 92, the connection with insulating layer 7 is realized, and the technical purpose is as follows: the insulating tubular busbar is used as a part for reinforcing and connecting the insulating tubular busbar and the insulating layer 7.
In the present embodiment, the metal shielding layer 8 is configured as a copper tape shielding layer and the inner wall of the metal shielding layer 8 is configured to be coupled with the insulating layer 7 and the outer shielding layer of the end of the insulating tubular busbar, and the outer side portion of the metal shielding layer 8 is configured to be coupled with the outer sheath 9.
Through metallic shield 8, formed the support tie point to insulating layer 7 and oversheath 9, by metallic shield 8, realized being connected with insulating layer 7, realized being connected with oversheath 9, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the outer sheath 9 is provided as a heat shrinkable tube and the outer sheath 9 is provided to be coupled with the metal shield layer 8 and the outer sheath of the end of the insulated tubular bus bar.
Through oversheath 9, formed the support tie point to metal shielding layer 8, by oversheath 9, realized being connected with metal shielding layer 8, its technical aim at: the insulating tubular bus bar is used as a part for carrying out external protection treatment on the end of the insulating tubular bus bar.
In the embodiment, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact finger 10 and the equipotential line 28 are arranged to be distributed in a manner of transversely distributing conductor bodies, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact finger 10, the copper sleeve 23, the fixing pin 2 and the screw 25 are arranged to be distributed in a manner of fixing a holding cylinder, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact finger 10, the shielding cover 26 and the connecting pin 27 are arranged to be distributed in a manner of fixing end pull wires, the centrality of the spring contact finger 10, the centrality of the inner core 1, the centrality of the inner shielding tube 6, the centrality of the insulating layer 7, the centrality of the metal shielding layer 8 and the centrality of the outer sheath 9 are arranged on the same straight line, the four spring contact fingers 10 are respectively arranged to be arranged at intervals along the transverse center line of the lining core 1, and the two equipotential lines 28 are arranged to be symmetrically distributed along the transverse center line of the lining core 1.
Fig. 17 is a fourth embodiment of the present invention, which is specifically described with reference to the drawings, and includes a band contact finger 20, and the band contact finger 20 is disposed between the core member 1 and the end contact tube of the insulated tubular busbar.
In the present embodiment, the band contact fingers 20 are provided to be in embedded coupling with the lining core 1 and the outer side surface portions of the band contact fingers 20 are provided to be coupled with the end contact tubes of the insulated tubular bus bar.
Through watchband contact finger 20, formed the support connection point to interlining core 1, touched finger 20 by the watchband, realized being connected with interlining core 1, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the lining core 1.
In this embodiment, the recessed body 13 of the core 1 is arranged to be coupled with the band finger 20.
The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
The invention relates to an intermediate connection method for an insulated tubular busbar, which comprises the following steps in a third embodiment of the invention:
stripping the end of the insulated tubular bus to expose the end conductive tube of the insulated tubular bus, drilling a blind hole body on the end conductive tube of the insulated tubular bus, positioning four spring contact fingers 10 or a watchband contact finger 20 in a groove body 13, inserting a lining part 11 into the end conductive tube of the insulated tubular bus, making the outer side surface part of the spring contact finger 10 or the outer side surface part of the watchband contact finger 20 respectively act on the inner wall of the end conductive tube of the insulated tubular bus, mounting two tube parts 231 on the end conductive tube of the insulated tubular bus, connecting the two tube parts 231 with a first threaded hole body 232 through a screw 25, connecting the two tube parts 231 together to make the two tube parts 231 embrace the end conductive tube of the insulated tubular bus, mounting a fixing pin 2 in the blind hole body 233 and the end conductive tube of the insulated tubular bus, mounting two cover plate parts 61 and a flange part 62 on the tube parts 231, the joint 82 is attached to the connecting pin 27, the end of the connecting pin 27 is inserted into the pin hole 63, the two cover pieces 61 and the flange part 62 are fitted around the cylindrical part 231, the two wires 81 are attached to the end contact tube of the insulated tubular bus bar, the inner shield tube 6 is attached to the insulator between the cover pieces 61 and the end of the insulated tubular bus bar, the insulating layer 7 is attached to the insulator between the inner shield tube 6 and the end of the insulated tubular bus bar, the stress cone 92 is attached to the insulator and the insulating layer 7 at the end of the insulated tubular bus bar, the metal shield layer 8 is attached to the insulating layer 7 and the outer shield layer at the end of the insulated tubular bus bar, and the outer shield layer 9 is attached to the metal shield layer 8 and the outer shield layer at the end of the insulated tubular bus bar.
Fig. 18 is a fifth embodiment of the present invention, which is specifically described with reference to the drawings, and includes a spring contact finger 10, an inner liner core 1, a copper sleeve 23, a screw 24, a shield cover 26, a connecting pin 27, a cable 28, an inner shield tube 6, an insulating layer 7, a stress cone 92, a metal shield layer 8 and an outer sheath 9, wherein the inner liner core 1 and the copper sleeve 23 are disposed between the ends of the insulated tubular bus bar, the spring contact finger 10 is disposed between the inner liner core 1 and the ends of the insulated tubular bus bar, the screw 24 is disposed between the copper sleeve 23 and the ends of the insulated tubular bus bar, the shield cover 26 is disposed between the copper sleeve 23 and the ends of the insulated tubular bus bar, the connecting pin 27 is disposed between the shield covers 26 and the ends of the insulated tubular bus bar, the inner shield tube 6 is disposed between the shield cover 26 and the ends of the insulated tubular bus bar, and the insulating layer 7 is disposed between the shield tube 6 and the ends of the insulated tubular bus bar, a stress cone 92 and a metal shielding layer 8 are respectively arranged between the insulating layer 7 and the end of the insulating tubular busbar, and an outer sheath 9 is arranged between the metal shielding layer 8 and the end of the insulating tubular busbar.
In the present embodiment, the lining core 1 is provided to include the lining portion 11 and the locating table portion 12 and the middle portion of the outer side surface of the lining portion 11 is provided to be coupled with the locating table portion 12, the groove body 13 is provided at the outer side surface portion of the lining portion 11 and the groove body 13 is provided to be coupled with the spring contact finger 10, the outer side surface portion of one of the sections of the lining portion 11 is provided to be plug-coupled with the terminal contact tube of one of the insulated tubular bus bars and one of the end surface portions of the locating table portion 12 is provided to be coupled with the terminal contact tube end portion of one of the insulated tubular bus bars, the outer side surface portion of the other of the sections of the lining portion 11 is provided to be plug-coupled with the terminal contact tube of the other of the insulated tubular bus bars and the other end surface portion of the locating table portion 12 is provided to be coupled with the terminal contact tube end portion of the other of the insulated tubular bus bars, the lining portion 11 is provided as a tubular body and the locating table portion 12 is provided as an annular body, the groove bodies 13 are provided as annular U-shaped groove bodies and the groove bodies 13 are provided so as to be arranged at intervals along the circumferential line of the liner portion 11.
Through inside lining core 1, formed the support tie point that touches finger 10 to the spring, by the notch body 13, realized touching finger 10's being connected with the spring, by bushing portion 11, realized supporting the processing to the end contact tube of two insulation tubular busbar, by locating stage portion 12, realized the limited processing of distance between the end contact tube to two insulation tubular busbar, its technical aim at: the insulating tubular bus bar is used as a component for supporting the inside of a terminal conducting tube of the insulating tubular bus bar.
In the present embodiment, the spring contact finger 10 is provided to be embedded in the inner liner core 1 and the outer side surface portion of the spring contact finger 10 is provided to be coupled to the terminal contact tube of the insulated tubular bus bar.
Through spring touch finger 10, formed the support tie point to inside lining core 1, touched finger 10 by the spring, realized being connected with inside lining core 1, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the lining core 1.
In the present embodiment, the second threaded hole 34 is provided on the cylindrical portion 231 of the copper bush 23 and the second threaded hole 34 is provided to be coupled to the screw 24, the inner wall of the cylindrical portion 231 is provided to be coupled to the terminal contact tube of the insulated tubular busbar and the end surface portion and the outer side surface portion of the cylindrical portion 231 are provided to be coupled to the shield cover 26, respectively, the cylindrical portion 231 is provided to be a circular tubular body and the second threaded hole 34 is provided to be a circular hole-shaped body, and the second threaded hole 34 is provided to be arranged at intervals along the peripheral circular line of the cylindrical portion 231.
The copper bush 23 forms a supporting connection point between the screw 24 and the shield cover 26, the second threaded hole 34 is connected to the screw 24, and the cylindrical portion 231 is connected to the shield cover 26, and the technical purpose is that: the insulating tubular bus bar is used as one of the components for performing intermediate connection on the end conductive tube of the insulating tubular bus bar.
In the present embodiment, the screw 24 is provided to include the rod portion 41, the frustum portion 42, the circular truncated cone portion 43, and the outer truncated cone portion 44 and the inner end of the rod portion 41 is provided to be coupled with the contraction head of the frustum portion 42, the expansion head of the frustum portion 42 is provided to be coupled with one of the end portions of the circular truncated cone portion 43 and the other end portion of the circular truncated cone portion 43 is provided to be coupled with the inner end of the outer truncated cone portion 44, the rod portion 41 is provided to be screw-coupled with the copper bush 23 and the outer end of the rod portion 41 is provided to be coupled with the terminal contact tube of the insulated tubular busbar, the rod portion 41 is provided to be a screw rod-shaped body and the frustum portion 42 is provided to be a circular truncated cone body, the circular truncated cone portion 43 is provided to be a circular disk-shaped body and the outer truncated cone portion 44 is provided to be a hexagonal disk-shaped body.
Through screw rod 24, formed the support tie point to copper sheathing 23, by pole portion 41, realized being connected with copper sheathing 23, by frustum portion 42, round platform portion 43 and outer platform portion 44, realized exerting the wrench movement moment to pole portion 41, its technical objective lies in: and the second connecting component is used for connecting the end conductive tubes of the insulated tubular bus.
In this embodiment, the shield case 26 is configured to include a cover piece portion 61 and a flange portion 62 and the inner end face portion of the flange portion 62 is configured to be coupled with the end face portion of the cover piece portion 61, a pin hole body 63 is provided on the end face wall of the flange portion 62 and the pin hole body 63 is configured to be coupled with the connection pin 27, the inner side face portion of the cover piece portion 61 is configured to be coupled with the copper sleeve 23 in contact and the outer side face portion of the cover piece portion 61 is configured to be coupled with the inner shield pipe 6 in contact, the outer end face portion of the flange portion 62 is configured to be coupled with the end conductive pipe of the insulated pipe type bus bar in contact and the inner end face portion of the flange portion 62 is configured to be coupled with the copper sleeve 23 in contact, the contour line of the cover piece portion 61 and the contour line of the flange portion 62 are respectively configured to be a part of a circumferential line and the abutting contour lines of the two cover piece portions 61 and the abutting contour lines of the two flange portions 62 are configured to be distributed in line, the pin hole body 63 is a circular hole body.
Through shield cover 26, formed the support tie point to copper sheathing 23, connecting pin 27 and interior shield pipe 6, by flange dish portion 62, realized being connected with copper sheathing 23, by round pin axle hole body 63, realized being connected with connecting pin 27, by cover piece portion 61, realized being connected with interior shield pipe 6, its technical aim at: for use as a means of connecting the cable 28.
In the present embodiment, the connecting pins 27 are provided as circular rod-shaped bodies and the connecting pins 27 are provided to be coupled with the cables 28 in series, and the tips of the connecting pins 27 are respectively provided to be coupled with the shield case 26 in an embedded manner.
The connecting pin 27 forms a supporting connecting point for the shielding case 26 and the cable 28, and the connecting pin 27 is used for realizing connection with the shielding case 26 and the cable 28, and the technical purpose is that: as a means for connecting the two shields 26 together.
In the present embodiment, the cable 28 is provided to include a wire portion 81 and a tab portion 82 and ends of the wire portion 81 are respectively provided to be coupled with the tab portions 82, the tab portions 82 are provided to be socket-coupled with the connection pins 27 and the wire portion 81 is provided as a conductive wire, the tab portions 82 are provided as P-shaped plate-like bodies and inner ends of the tab portions 82 are provided to be coupled with the cable 28.
The cable 28 forms a supporting connection point for the connection pin 27, the connection with the connection pin 27 is realized by the joint part 82, the equipotential connection to the end conductive tube of the insulated tubular bus is realized by the wire part 81, and the technical purpose is that: the insulating tubular bus is used as a part for performing equipotential treatment on the end conductive tube of the insulating tubular bus.
In the present embodiment, the inner shield pipe 6 is provided as a tubular body and the inner shield pipe 6 is provided to be in embedded coupling with the insulating layer 7, and the inner walls of the inner shield pipe 6 are provided to be in coupling with the copper jacket 23 and the insulator of the end of the insulated tubular busbar, respectively.
Through interior shielded cell 6, formed the support tie point to shield cover 26 and insulating layer 7, by interior shielded cell 6, realized being connected with shield cover 26, realized being connected with insulating layer 7, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the insulating layer 7 is provided as a silicone rubber cylindrical body and the inner wall of the insulating layer 7 is provided to be coupled with the inner shield tube 6 and the insulator of the end of the insulating tubular busbar, the outer side face portion of the insulating layer 7 is provided to be coupled with the metal shield layer 8 and the insulating layer 7 is provided to be coupled with the stress cone 92 in a contained manner.
Through insulating layer 7, formed the support tie point to inner shield pipe 6, metallic shield 8 and stress cone 92, by insulating layer 7, realized being connected with inner shield pipe 6, realized being connected with metallic shield 8, realized being connected with stress cone 92, its technical aim at: the insulating tubular busbar is used as a component for insulating the end of the insulating tubular busbar.
In this embodiment, the stress cone 92 is provided as a cable joint stress cone and the stress cone 92 is provided in embedded connection with the insulation of the end of the insulated tubular busbar and the insulating layer 7.
Through stress cone 92, the support connection point to insulating layer 7 is formed, and by stress cone 92, the connection with insulating layer 7 is realized, and the technical purpose is as follows: the insulating tubular busbar is used as a part for reinforcing and connecting the insulating tubular busbar and the insulating layer 7.
In the present embodiment, the metal shielding layer 8 is configured as a copper tape shielding layer and the inner wall of the metal shielding layer 8 is configured to be coupled with the insulating layer 7 and the outer shielding layer of the end of the insulating tubular busbar, and the outer side portion of the metal shielding layer 8 is configured to be coupled with the outer sheath 9.
Through metallic shield 8, formed the support tie point to insulating layer 7 and oversheath 9, by metallic shield 8, realized being connected with insulating layer 7, realized being connected with oversheath 9, its technical aim at: the insulating tubular bus bar is used as a component for shielding the end of the insulating tubular bus bar.
In the present embodiment, the outer sheath 9 is provided as a heat shrinkable tube and the outer sheath 9 is provided to be coupled with the metal shield layer 8 and the outer sheath of the end of the insulated tubular bus bar.
Through oversheath 9, formed the support tie point to metal shielding layer 8, by oversheath 9, realized being connected with metal shielding layer 8, its technical aim at: the insulating tubular bus bar is used as a part for carrying out external protection treatment on the end of the insulating tubular bus bar.
In the embodiment, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact fingers 10 and the cable 28 are arranged to be distributed in a manner of transversely distributing conductor bodies, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact fingers 10, the copper sleeve 23 and the screw 24 are arranged to be distributed in a manner of fixing a bobbin, the inner core 1, the inner shielding tube 6, the insulating layer 7, the stress cone 92, the metal shielding layer 8, the outer sheath 9, the spring contact fingers 10, the shielding cover 26 and the connecting pin 27 are arranged to be distributed in a manner of fixing an end cord, the centrality of the spring contact fingers 10, the centrality of the inner core 1, the centrality of the copper sleeve 23, the centrality of the inner shielding tube 6, the centrality of the insulating layer 7, the centrality of the metal shielding layer 8 and the centrality of the outer sheath 9 are arranged on the same straight line, the four spring contact fingers 10 are respectively arranged to be arranged at intervals along the transverse center line of the inner core 1, the two cables 28 are arranged to be symmetrically distributed along the transverse center line of the inner core 1, the cylinder portions 231 are respectively arranged to be coupled with the cover piece portions 61 and the flange portion 62, and the rod portion 41 is arranged to be coupled with the second threaded hole body 34.
Fig. 23 is a sixth embodiment of the present invention, which is specifically described with reference to the drawings, and includes a band contact finger 20, and the band contact finger 20 is disposed between the core member 1 and the end contact tube of the insulated tubular busbar.
In the present embodiment, the band contact fingers 20 are provided to be in embedded coupling with the lining core 1 and the outer side surface portions of the band contact fingers 20 are provided to be coupled with the end contact tubes of the insulated tubular bus bar.
Through watchband contact finger 20, formed the support connection point to interlining core 1, touched finger 20 by the watchband, realized being connected with interlining core 1, its technical aim at: the insulating tubular bus bar is used as a part for connecting the end conductive tube of the insulating tubular bus bar with the lining core 1.
In this embodiment, the recessed body 13 of the core 1 is arranged to be coupled with the band finger 20.
Seventh embodiment of the present invention, the present embodiment is specifically described with reference to the drawings, and the screw 24 is configured as a hexagon socket head cap screw.
Through screw rod 24, formed the support tie point to copper sheathing 23, by screw rod 24, realized being connected with copper sheathing 23, its technical aim at: and the rod part 41, the frustum part 42, the circular truncated cone part 43 and the outer truncated cone part 44 are replaced by two parts for performing intermediate connection on the end conductive tube of the insulated tubular bus.
The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
An intermediate connection method for an insulated tubular busbar according to a fifth embodiment of the present invention includes the steps of:
peeling off the end of the insulated tubular bus bar to expose the end conductive tube of the insulated tubular bus bar, positioning the four spring contact fingers 10 or the strap contact fingers 20 in the groove body 13, inserting the lining part 11 into the end conductive tube of the insulated tubular bus bar to make the outer side surface part of the spring contact fingers 10 or the outer side surface part of the strap contact fingers 20 respectively act on the inner wall of the end conductive tube of the insulated tubular bus bar, mounting the tube part 231 on the end conductive tube of the insulated tubular bus bar, rotating the screw 24 in the second threaded hole body 34, mounting the tube part 231 on the end conductive tube of the insulated tubular bus bar, making the outer end of the screw 24 act on the end conductive tube of the insulated tubular bus bar, mounting the two cover parts 61 and the flange part 62 on the tube part 231, mounting the joint part 82 on the connecting pin 27, inserting the end of the connecting pin 27 into the pin hole body 63, thus, the two cover pieces 61 and the flange 62 are held in the cylindrical part 231, the two wire parts 81 are mounted on the end contact tube of the insulated tubular busbar, the inner shield tube 6 is mounted on the insulator between the cover piece 61 and the end of the insulated tubular busbar, the insulating layer 7 is mounted on the insulator between the inner shield tube 6 and the end of the insulated tubular busbar, the stress cone 92 is mounted on the insulator and the insulating layer 7 of the end of the insulated tubular busbar, the metal shield layer 8 is mounted on the insulating layer 7 and the outer shield layer of the end of the insulated tubular busbar, the outer shield 9 is mounted on the metal shield layer 8 and the outer shield layer of the end of the insulated tubular busbar, when the end of the insulated tubular busbar needs to be remounted, the inner shield tube 6, the insulating layer 7, the stress cone 92, the metal shield layer 8 and the outer shield 9 are peeled off, and the screw 24 is rotated in the opposite direction in the second threaded hole 34, the outer end of the screw rod 24 is separated from the end conductive tube of the insulating tubular bus, and the end conductive tube of the insulating tubular bus is pulled out from between the lining core 1 and the copper sleeve 23, so that the end conductive tube of the insulating tubular bus is in an exposed state.
In a second embodiment of the invention, the intermediate connection device body and the necessary main parts are connected to each other in such a way as to equipotential treat-ment between the end contact tubes of the insulated tubular busbar.
In this embodiment, the intermediate connection device body is configured to further include an inner shielding tube 6, an insulating layer 7, a metal shielding layer 8, an outer sheath 9, and a stress cone 92.
In the present embodiment, necessary main parts are provided as the copper stage housing 3, the shield case 26 or the connection pin 27, and the equipotential line 28.
In the present exemplary embodiment, a first additional component is also included and is arranged distributed in correspondence with the lining core 1, the first additional component being arranged as a spring finger 10.
In this embodiment, a second additional component is further included and is configured to be distributed corresponding to the lining core 1, and the second additional component is configured as a band finger 20.
In the present embodiment, a third additional part is further included and is configured to be distributed corresponding to the inner liner core 1, and the third additional part is configured to include the fixing pin 2, the first outer sleeve 4 and the second outer sleeve 5.
In this embodiment, a fourth additional member is further included and is configured to be distributed corresponding to the lining core 1, and the fourth additional member is configured to include a copper bush 23, a fixing pin 2, and a screw 25.
In the present embodiment, a fifth additional member is further included and is configured to be distributed corresponding to the lining core 1, and the fifth additional member is configured to include a copper sleeve 23 and a screw 24.
In this embodiment, a sixth additional component is further included and is configured to be distributed corresponding to the inner lining core 1, and the sixth additional component is configured to include the glue layer 9.
A second embodiment of the invention is based on the first embodiment,
the second embodiment of the present invention comprises the steps of: the main parts necessary for equipotential processing between the end conductive tubes of the insulated tubular bus are installed in the intermediate connecting device body.
A second embodiment of the invention is based on the first embodiment,
an intermediate connection device and a method for an insulated tubular busbar are applied to a 27.5kV power supply line.
The invention has the following characteristics:
1. the intermediate connection device body and the necessary main parts are designed, the connection between the ends of the insulated tubular bus is realized through the intermediate connection device body, and the equipotential treatment between the end conductive tubes of the insulated tubular bus is realized through the necessary main parts, so that the intermediate connection safety performance of the insulated tubular bus is improved.
2. Because the inner shielding tube 6, the insulating layer 7, the metal shielding layer 8, the outer sheath 9 and the stress cone 92 are designed, the same layer body connection between the end heads of the insulating tube type bus is realized.
3. Due to the design of the copper platform sleeve 3, the shielding cover 26 or the connecting pin 27 and the equipotential line 28, the mutual communication type equipotential processing is realized.
4. Due to the design of the first additional part to the fifth additional part, the effect of increasing the connecting strength between the end heads of the insulating tubular busbar is achieved.
5. Due to the design of the glue layer 9, waterproof treatment between the ends of the insulating tubular bus is realized.
6. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
7. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Still other technical features associated with the main body of the intermediate connection device for equipotential treatment of the end contact tube of the insulated tubular busbar and the necessary main parts are all embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent practice rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments will not be described.
The above embodiment is only one implementation form of the intermediate connection device and method for the insulated tubular busbar and the application thereof provided by the invention, and other modifications of the scheme provided by the invention, such as adding or reducing components or steps therein, or applying the invention to other technical fields similar to the invention, belong to the protection scope of the invention.

Claims (57)

1. An intermediate connecting device for an insulating tubular busbar is characterized in that: comprising an intermediate connection device body with a lining core (1), necessary main components arranged in a corresponding distribution with the lining core (1) and used for equipotential processing,
the middle connecting device body is also provided with an inner shielding tube (6), an insulating layer (7), a metal shielding layer (8), an outer sheath (9) and a stress cone (92),
the necessary main parts are arranged as a copper platform sleeve (3), a shielding cover (26) or a connecting pin (27) and an equipotential line (28),
the copper platform sleeve (3) is arranged to comprise a sleeve part (31) and a potential platform part (32), the middle part of the outer side surface of the sleeve part (31) is connected with the potential platform part (32), a groove body (33) is arranged on the inner wall of the sleeve part (31) and the groove body (33) is connected with the spring contact finger (10), the inner wall of the sleeve part (31) is connected with the end conductive tube of the insulated tubular bus in a contact mode, the outer side surface part of the sleeve part (31) is respectively connected with the first outer sleeve (4) and the second outer sleeve (5), the end surface part of the potential platform part (32) is respectively connected with the first outer sleeve (4) and the second outer sleeve (5), the outer side surface part of the potential platform part (32) is connected with the inner shielding circumferential tube (6), the contour line of the sleeve part (31) is arranged to be a part of the line and the butt contour lines of the two sleeve parts (31) are arranged to be distributed in a line shape, the potential table parts (32) are arranged to be annular bodies, butt joint contour lines of the two potential table parts (32) are arranged to be distributed in a circumferential line, and the groove bodies (33) are arranged to be U-shaped open groove-shaped bodies.
2. The intermediate connecting device for insulated tubular busbar according to claim 1, wherein: the intermediate connecting device body and the necessary main components are connected with each other in a manner of equipotential treatment between the end conductive tubes of the insulated tubular bus.
3. The intermediate connecting device for insulated tubular busbar according to claim 1, wherein:
also comprises a first additional component which is arranged to be distributed corresponding to the lining core (1) and is provided as a spring contact finger (10),
or, a second additional component is also included and is arranged to be distributed corresponding to the lining core (1), the second additional component is arranged to be a watchband contact finger (20),
or a third additional part is arranged to be distributed corresponding to the lining core (1), the third additional part is arranged to comprise a fixed pin (2), a first outer sleeve (4) and a second outer sleeve (5),
or, the lining core is also provided with a fourth additional part which is arranged to be distributed corresponding to the lining core (1), the fourth additional part is arranged to comprise a copper sleeve (23), a fixed pin (2) and a screw (25),
or, a fifth additional component is also included and is arranged to be distributed corresponding to the lining core (1), the fifth additional component is arranged to include a copper sleeve (23) and a screw rod (24),
or, the lining core further comprises a sixth additional component which is arranged to be distributed corresponding to the lining core (1), and the sixth additional component is arranged to comprise a glue layer (91).
4. The intermediate connecting device for insulated tubular busbar according to claim 3, wherein: an inner lining core (1) and a copper platform sleeve (3) are arranged between the ends of an insulating tubular bus, a fixing pin (2) and an adhesive layer (91) are respectively arranged between the inner lining core (1) and the ends of the insulating tubular bus, a first outer sleeve (4) and a second outer sleeve (5) are respectively arranged on the copper platform sleeve (3), a spring contact finger (10) and an inner shielding tube (6) are respectively arranged between the copper platform sleeve (3) and the ends of the insulating tubular bus, an insulating layer (7) is arranged between the inner shielding tube (6) and the ends of the insulating tubular bus, a metal shielding layer (8) and a stress cone (92) are respectively arranged between the insulating layer (7) and the ends of the insulating tubular bus, and an outer sheath (9) is arranged between the metal shielding layer (8) and the ends of the insulating tubular bus.
5. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the inner lining core (1) is arranged to comprise lining parts (11) and a positioning table part (12), the middle part of the outer side surface of each lining part (11) is connected with the positioning table part (12), the outer side surface of one section of each lining part (11) is connected with the inner wall of the end conducting tube of one insulating tubular bus through a glue layer (91) and one end surface of the positioning table part (12) is connected with the end surface of the end conducting tube of one insulating tubular bus, the outer side surface of the other section of each lining part (11) is connected with the inner wall of the end conducting tube of the other insulating tubular bus through a glue layer (91) and the other end surface of the positioning table part (12) is connected with the end surface of the end conducting tube of the other insulating tubular bus, a blind hole body is arranged on the outer side surface of each lining part (11) and the blind hole body of each lining part (11) is connected with a fixed pin (2), the lining part (11) is arranged to be a tubular body and the positioning table part (12) is arranged to be an annular body, the blind hole bodies of the lining part (11) are arranged to be circular hole-shaped bodies and the blind hole bodies of the lining part (11) are arranged to be distributed at intervals along the circumferential line of the lining part (11).
6. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the adhesive layer (91) is arranged into a silicone rubber sealant body with the waterproof grade reaching IP68, and the adhesive layer (91) is arranged to be in filling connection with the lining core (1) and the end conductive tube of the insulating tubular bus.
7. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the fixing pins (2) are arranged to be circular rod-shaped bodies, the lower end heads of the fixing pins (2) are arranged to be connected with the lining core (1) in an embedded mode, through hole bodies are arranged on the end conductive tubes of the insulating tubular bus, the upper end heads of the fixing pins (2) are arranged to be connected with the through hole bodies on the end conductive tubes of the insulating tubular bus in a penetrating and serial mode, and the fixing pins (2) are arranged to be distributed along the circumferential line of the lining core (1) at intervals.
8. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the spring contact finger (10) is connected with the copper platform sleeve (3) in an embedded mode, and the inner wall of the spring contact finger (10) is connected with the end conductive tube of the insulating tubular bus.
9. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the first outer sleeve (4) and the second outer sleeve (5) are respectively arranged to be copper table-shaped bodies, the inner wall and the inner end face of the first outer sleeve (4) are respectively arranged to be connected with the copper table sleeve (3), the inner wall and the inner end face of the second outer sleeve (5) are respectively arranged to be connected with the copper table sleeve (3), and the outer end face of the first outer sleeve (4) and the outer end face of the second outer sleeve (5) are respectively arranged to be connected with an insulator of the end head of the insulating tubular bus.
10. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the inner shielding pipe (6) is arranged to be a tubular body, the inner shielding pipe (6) is arranged to be in embedded connection with the insulating layer (7), and the inner wall of the inner shielding pipe (6) is respectively arranged to be in connection with the copper platform sleeve (3) and an insulator of the end of the insulating tubular bus.
11. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the insulating layer (7) is a silicon rubber copper table-shaped body, the inner wall of the insulating layer (7) is connected with the inner shielding tube (6) and an insulator of the end head of the insulating tube type bus, the outer side face of the insulating layer (7) is connected with the metal shielding layer (8) in a contained mode, and the insulating layer (7) is connected with the stress cone (92) in a contained mode.
12. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the stress cone (92) is arranged as a cable joint stress cone and the stress cone (92) is arranged to be in embedded connection with an insulator and an insulating layer (7) of the end of the insulating tubular busbar.
13. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the metal shielding layer (8) is a copper strip shielding layer, the inner wall of the metal shielding layer (8) is connected with the insulating layer (7) and the outer shielding layer of the end of the insulating tubular bus, and the outer side of the metal shielding layer (8) is connected with the outer sheath (9).
14. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the outer sheath (9) is a heat-shrinkable sleeve, and the outer sheath (9) is connected with the metal shielding layer (8) and the outer sheath of the end of the insulating tubular bus.
15. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the metal shielding layer (8), the outer sheath (9), the stress cone (92), the spring contact finger (10) and the copper table sleeve (3) are arranged to be distributed in a corresponding ring table mode, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the metal shielding layer (8), the outer sheath (9), the stress cone (92), the spring contact finger (10) and the fixing pin (2) are arranged to be distributed in a fixed mode according to an internal rod, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the metal shielding layer (8), the outer sheath (9), the stress cone (92) and the spring contact finger (10) are arranged to be distributed in a fixed mode according to an external copper table, and the centrality of the inner lining core (1), the centrality of the copper table sleeve (3), and the stress cone (92) and the spring contact finger (10) are arranged to be distributed in a fixed mode according to an external copper table The centrality of the first outer sleeve (4), the centrality of the second outer sleeve (5), the centrality of the inner shielding pipe (6), the centrality of the insulating layer (7), the centrality of the metal shielding layer (8), the centrality of the outer sheath (9) and the centrality of the spring contact fingers (10) are arranged on the same straight line, the four spring contact fingers (10) are respectively arranged to be distributed at intervals along the transverse central line of the copper table sleeve (3), the central circumferential line of the positioning table part (12) and the central circumferential line of the potential table part (32) are arranged on the same circumferential line, and the ratio of the width of the positioning table part (12) to the width of the potential table part (32) is set to be 1: 0.88-1.12.
16. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the watchband contact finger (20) is arranged between the copper platform sleeve (3) and the end conductive tube of the insulating tubular bus.
17. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the watchband contact finger (20) is connected with the copper table sleeve (3) in an embedded mode, and the inner wall of the watchband contact finger (20) is connected with the end conductive tube of the insulating tubular bus.
18. The intermediate connecting device for insulated tubular busbar according to claim 4, wherein: the groove body (33) of the copper table sleeve (3) is connected with the watchband contact finger (20).
19. The intermediate connecting device for insulated tubular busbar according to claim 3, wherein: an inner lining core (1) and a copper sleeve (23) are arranged between the ends of an insulating tubular bus, a spring contact finger (10) is arranged between the inner lining core (1) and the ends of the insulating tubular bus, a fixing pin (2) is arranged between the copper sleeve (23) and the ends of the insulating tubular bus, a screw (25) is arranged between the copper sleeve (23), a shielding cover (26) is arranged between the copper sleeve (23) and the ends of the insulating tubular bus, a connecting pin (27) is arranged between the shielding covers (26), an equipotential line (28) is arranged between the connecting pin (27), an inner shielding tube (6) is arranged between the shielding cover (26) and the ends of the insulating tubular bus, an insulating layer (7) is arranged between the insulating layer (7) and the ends of the insulating tubular bus, a stress cone (92) and a metal shielding layer (8) are arranged between the metal shielding layer (8) and the ends of the insulating tubular bus, and the insulating tubular bus are arranged between the insulating tubular bus, and the insulating tubular bus are arranged in a coaxial manner that the insulating sleeve (2) is provided with the insulating sleeve An outer sheath (9) is arranged between the ends of the bus.
20. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the inner lining core (1) is arranged to comprise a lining part (11) and a positioning table part (12), the middle part of the outer side surface of the lining part (11) is connected with the positioning table part (12), a groove body (13) is arranged on the outer side surface of the lining part (11) and is connected with a spring contact finger (10), the outer side surface of one section of the lining part (11) is connected with a terminal conductive tube of one insulating tubular bus in a plug-in mode, one end surface of the positioning table part (12) is connected with a terminal conductive tube end surface of one insulating tubular bus, the outer side surface of the other section of the lining part (11) is connected with a terminal conductive tube of the other insulating tubular bus in a plug-in mode, and the other end surface of the positioning table part (12) is connected with a terminal conductive tube end surface of the other insulating tubular bus in a plug-in mode, the lining part (11) is arranged to be a tubular body and the locating table part (12) is arranged to be an annular body, the groove bodies (13) are arranged to be annular U-shaped groove bodies and the groove bodies (13) are arranged to be distributed at intervals along the circumferential line of the lining part (11).
21. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the spring contact finger (10) is connected with the inner lining core (1) in an embedded mode, and the outer side face of the spring contact finger (10) is connected with the end conductive tube of the insulating tubular bus.
22. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: a pin hole body (233) is arranged on a cylinder part (231) of a copper sleeve (23), a first threaded hole body (232) is arranged on the end face wall of the cylinder part (231), the pin hole body (233) is arranged to be coupled with a fixing pin (2) and the first threaded hole body (232) is arranged to be coupled with a screw (25), the inner wall of the cylinder part (231) is arranged to be coupled with an end conductive pipe of an insulated pipe type bus and the end face part and the outer side face part of the cylinder part (231) are respectively arranged to be coupled with a shielding cover (26), the contour line of the cylinder part (231) is arranged to be a part of a circumference line and the butt contour lines of two sleeve parts (31) are arranged to be distributed in a circumference line, the first threaded hole body (232) and the pin hole body (233) are respectively arranged to be circular hole bodies and the first threaded hole bodies (232) are arranged to be distributed at intervals along the transverse center line of the cylinder part (231), and the pin hole bodies (233) are arranged to be distributed at intervals along the contour line of the cylinder part (231).
23. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: fixed pin (2) set up to circular rod-shaped body and the top end of fixed pin (2) sets up to run through the formula hookup with copper sheathing (23), be provided with the blind hole body on the end contact tube of insulating tubular busbar and the lower end of fixed pin (2) sets up to the embedded hookup of blind hole body on the end contact tube with insulating tubular busbar, fixed pin (2) set up to the contour line interval arrangement distribution along copper sheathing (23) and at least two sets of fixed pin (2) set up to the horizontal central line interval arrangement distribution along copper sheathing (23).
24. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the screw (25) is configured as a countersunk head screw and the screw (25) is configured to be threadedly coupled with the copper sleeve (23).
25. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the shielding cover (26) is arranged to include a cover piece portion (61) and a flange portion (62), the inner end face portion of the flange portion (62) is connected with the end face portion of the cover piece portion (61), a pin hole body (63) is arranged on the end face wall of the flange portion (62) and the pin hole body (63) is connected with a connecting pin (27), the inner side face portion of the cover piece portion (61) is connected with a copper sleeve (23) in a contact mode, the outer side face portion of the cover piece portion (61) is connected with an inner shielding pipe (6) in a contact mode, the outer end face portion of the flange portion (62) is connected with an end conductive pipe of an insulating pipe type bus in a contact mode, the inner end face portion of the flange portion (62) is connected with the copper sleeve (23) in a contact mode, the contour lines of the cover piece portion (61) and the contour lines of the flange portion (62) are respectively arranged to be part of the insulating pipe type bus, and the butt contour lines of the two cover piece portions (61) and the two flange portions (62) and the butt contour lines of the two flange portions (62) and the two flange portions (62) The pin shaft hole bodies (63) are arranged to be circular hole bodies.
26. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the connecting pins (27) are arranged to be circular rod-shaped bodies, the connecting pins (27) are arranged to be connected with the equipotential lines (28) in a penetrating mode, and the ends of the connecting pins (27) are respectively arranged to be connected with the shielding cover (26) in an embedded mode.
27. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the equipotential line (28) is provided to include a line portion (81) and a terminal portion (82), ends of the line portion (81) are respectively provided to be connected to the terminal portions (82), the terminal portions (82) are provided to be connected to the connection pins (27) in a socket manner and the line portion (81) is provided as a conductive line, the terminal portions (82) are provided as P-shaped sheet-like bodies and inner ends of the terminal portions (82) are provided to be connected to the equipotential line (28).
28. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the inner shielding pipe (6) is arranged to be a tubular body, the inner shielding pipe (6) is arranged to be in embedded connection with the insulating layer (7), and the inner wall of the inner shielding pipe (6) is respectively arranged to be in insulation connection with the copper sleeve (23) and the end head of the insulating tubular bus.
29. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the insulating layer (7) is a silicon rubber cylindrical body, the inner wall of the insulating layer (7) is connected with the inner shielding tube (6) and an insulator of the end head of the insulating tube type bus, the outer side face of the insulating layer (7) is connected with the metal shielding layer (8), and the insulating layer (7) is connected with the stress cone (92) in a containing mode.
30. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the stress cone (92) is arranged as a cable joint stress cone and the stress cone (92) is arranged to be in embedded connection with an insulator and an insulating layer (7) of the end of the insulating tubular busbar.
31. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the metal shielding layer (8) is a copper strip shielding layer, the inner wall of the metal shielding layer (8) is connected with the insulating layer (7) and the outer shielding layer of the end of the insulating tubular bus, and the outer side of the metal shielding layer (8) is connected with the outer sheath (9).
32. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the outer sheath (9) is a heat-shrinkable sleeve, and the outer sheath (9) is connected with the metal shielding layer (8) and the outer sheath of the end of the insulating tubular bus.
33. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10) and the equipotential line (28) are arranged to be distributed in a transverse distribution conductor body mode, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10), the copper sleeve (23), the fixing pin (2) and the screw (25) are arranged to be distributed in a cage holding barrel fixing mode, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10), the shielding cover (26) and the connecting pin (27) are arranged to be distributed in an end pull wire fixing mode, and the centrality, the outer sheath (9), the spring contact finger (10), the spring contact finger (26) and the connecting pin (27) are arranged in a bracing wire fixing mode, and the spring contact finger (10), The centrality of the inner lining core (1), the centrality of the inner shielding pipe (6), the centrality of the insulating layer (7), the centrality of the metal shielding layer (8) and the centrality of the outer sheath (9) are arranged on the same straight line, the four spring contact fingers (10) are respectively arranged along the transverse central line of the inner lining core (1) at intervals, and the two equipotential lines (28) are symmetrically arranged along the transverse central line of the inner lining core (1).
34. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the watchband contact finger (20) is arranged between the lining core (1) and the end conductive tube of the insulating tubular bus.
35. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the watchband contact finger (20) is connected with the lining core (1) in an embedded mode, and the outer side face of the watchband contact finger (20) is connected with a terminal conductive tube of the insulating tubular bus.
36. The intermediate connecting device for insulated tubular busbar according to claim 19, wherein: the groove (13) of the lining core (1) is connected with the contact finger (20) of the watchband.
37. The intermediate connecting device for insulated tubular busbar according to claim 3, wherein: an inner lining core (1) and a copper sleeve (23) are arranged between the end heads of the insulating tubular bus, a spring contact finger (10) is arranged between the lining core (1) and the end of the insulating tubular bus, a screw rod (24) is arranged between the copper sleeve (23) and the end of the insulating tubular bus, a shielding cover (26) is arranged between the copper sleeve (23) and the end of the insulating tubular bus, connecting pins (27) are provided between the shield shells (26) and cables (28) are provided between the connecting pins (27), an inner shielding pipe (6) is arranged between the shielding cover (26) and the end head of the insulating tubular bus, an insulating layer (7) is arranged between the inner shielding pipe (6) and the end head of the insulating tubular bus, a stress cone (92) and a metal shielding layer (8) are respectively arranged between the insulating layer (7) and the end of the insulating tubular bus, and an outer sheath (9) is arranged between the metal shielding layer (8) and the end of the insulating tubular bus.
38. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the inner lining core (1) is arranged to comprise a lining part (11) and a positioning table part (12), the middle part of the outer side surface of the lining part (11) is connected with the positioning table part (12), a groove body (13) is arranged on the outer side surface of the lining part (11) and is connected with a spring contact finger (10), the outer side surface of one section of the lining part (11) is connected with a terminal conductive tube of one insulating tubular bus in a plug-in mode, one end surface of the positioning table part (12) is connected with a terminal conductive tube end surface of one insulating tubular bus, the outer side surface of the other section of the lining part (11) is connected with a terminal conductive tube of the other insulating tubular bus in a plug-in mode, and the other end surface of the positioning table part (12) is connected with a terminal conductive tube end surface of the other insulating tubular bus in a plug-in mode, the lining part (11) is arranged to be a tubular body and the locating table part (12) is arranged to be an annular body, the groove bodies (13) are arranged to be annular U-shaped groove bodies and the groove bodies (13) are arranged to be distributed at intervals along the circumferential line of the lining part (11).
39. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the spring contact finger (10) is connected with the inner lining core (1) in an embedded mode, and the outer side face of the spring contact finger (10) is connected with the end conductive tube of the insulating tubular bus.
40. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: a second threaded hole body (34) is arranged on a cylinder part (231) of the copper sleeve (23) and the second threaded hole body (34) is connected with the screw (24), the inner wall of the cylinder part (231) is connected with an end conductive pipe of the insulation tubular bus, the end surface part and the outer side surface part of the cylinder part (231) are respectively connected with the shielding cover (26), the cylinder part (231) is arranged to be a circular tubular body, the second threaded hole body (34) is arranged to be a circular hole body, and the second threaded hole body (34) is arranged to be distributed along the peripheral circular line of the cylinder part (231) at intervals.
41. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the screw (24) is arranged to include a rod portion (41), a frustum portion (42), a circular table portion (43) and an outer table portion (44), an inner end of the rod portion (41) is arranged to be connected with a contraction head of the frustum portion (42), an expansion head of the frustum portion (42) is arranged to be connected with one end face portion of the circular table portion (43) and the other end face portion of the circular table portion (43) is arranged to be connected with an inner end of the outer table portion (44), the rod portion (41) is arranged to be in threaded connection with the copper sleeve (23) and an outer end of the rod portion (41) is arranged to be connected with an end conductive pipe of the insulated tubular bus bar, the rod portion (41) is arranged to be a threaded rod-shaped body and the frustum portion (42) is arranged to be a circular cone-shaped body, the circular table portion (43) is arranged to be a circular disc-shaped body and the outer table portion (44) is arranged to be a hexagonal disc-shaped body.
42. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the shielding cover (26) is arranged to include a cover piece portion (61) and a flange portion (62), the inner end face portion of the flange portion (62) is connected with the end face portion of the cover piece portion (61), a pin hole body (63) is arranged on the end face wall of the flange portion (62) and the pin hole body (63) is connected with a connecting pin (27), the inner side face portion of the cover piece portion (61) is connected with a copper sleeve (23) in a contact mode, the outer side face portion of the cover piece portion (61) is connected with an inner shielding pipe (6) in a contact mode, the outer end face portion of the flange portion (62) is connected with an end conductive pipe of an insulating pipe type bus in a contact mode, the inner end face portion of the flange portion (62) is connected with the copper sleeve (23) in a contact mode, the contour lines of the cover piece portion (61) and the contour lines of the flange portion (62) are respectively arranged to be part of the insulating pipe type bus, and the butt contour lines of the two cover piece portions (61) and the two flange portions (62) and the butt contour lines of the two flange portions (62) and the two flange portions (62) The pin shaft hole bodies (63) are arranged to be circular hole bodies.
43. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the connecting pins (27) are arranged into a circular rod-shaped body, the connecting pins (27) are arranged to be connected with the cables (28) in a penetrating mode, and the ends of the connecting pins (27) are respectively arranged to be connected with the shielding cover (26) in an embedded mode.
44. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the cable (28) is provided to include a wire portion (81) and a tab portion (82) and ends of the wire portion (81) are respectively provided to be coupled with the tab portion (82), the tab portion (82) is provided to be coupled with the connection pin (27) in a socket-type manner and the wire portion (81) is provided as a conductive wire, the tab portion (82) is provided as a P-shaped sheet-like body and an inner end of the tab portion (82) is provided to be coupled with the cable (28).
45. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the inner shielding pipe (6) is arranged to be a tubular body, the inner shielding pipe (6) is arranged to be in embedded connection with the insulating layer (7), and the inner wall of the inner shielding pipe (6) is respectively arranged to be in insulation connection with the copper sleeve (23) and the end head of the insulating tubular bus.
46. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the insulating layer (7) is a silicon rubber cylindrical body, the inner wall of the insulating layer (7) is connected with the inner shielding tube (6) and an insulator of the end head of the insulating tube type bus, the outer side face of the insulating layer (7) is connected with the metal shielding layer (8), and the insulating layer (7) is connected with the stress cone (92) in a containing mode.
47. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the stress cone (92) is arranged as a cable joint stress cone and the stress cone (92) is arranged to be in embedded connection with an insulator and an insulating layer (7) of the end of the insulating tubular busbar.
48. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the metal shielding layer (8) is a copper strip shielding layer, the inner wall of the metal shielding layer (8) is connected with the insulating layer (7) and the outer shielding layer of the end of the insulating tubular bus, and the outer side of the metal shielding layer (8) is connected with the outer sheath (9).
49. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the outer sheath (9) is a heat-shrinkable sleeve, and the outer sheath (9) is connected with the metal shielding layer (8) and the outer sheath of the end of the insulating tubular bus.
50. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10) and the cable (28) are arranged to be distributed in a transverse wire body distribution mode, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10), the copper sleeve (23) and the screw (24) are arranged to be distributed in a bobbin fixing mode, the inner lining core (1), the inner shielding pipe (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8), the outer sheath (9), the spring contact finger (10), the shielding cover (26) and the connecting pin (27) are arranged to be distributed in an end pull wire fixing mode, and the centrality of the spring contact finger (10), the centrality of the inner lining core (1), the centrality of the outer sheath (9), the spring contact finger (10), the spring contact finger and the connecting pin (27) are arranged in a central line, The centrality of the copper sleeve (23), the centrality of the inner shielding pipe (6), the centrality of the insulating layer (7), the centrality of the metal shielding layer (8) and the centrality of the outer sheath (9) are arranged on the same straight line, the four spring contact fingers (10) are respectively arranged to be distributed at intervals along the transverse central line of the inner lining core (1), the two cables (28) are symmetrically distributed along the transverse central line of the inner lining core (1), the cylinder part (231) is respectively connected with the cover plate part (61) and the flange part (62), and the rod part (41) is connected with the second threaded hole body (34).
51. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the watchband contact finger (20) is arranged between the lining core (1) and the end conductive tube of the insulating tubular bus.
52. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the watchband contact finger (20) is connected with the lining core (1) in an embedded mode, and the outer side face of the watchband contact finger (20) is connected with a terminal conductive tube of the insulating tubular bus.
53. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the groove (13) of the lining core (1) is connected with the contact finger (20) of the watchband.
54. The intermediate connecting device for insulated tubular busbar according to claim 37, wherein: the screw rod (24) is arranged as an inner hexagon bolt.
55. An intermediate connection method for an insulating tubular busbar is characterized in that: the method comprises the following steps: the main parts necessary for equipotential processing between the end conductive tubes of the insulated tubular bus are arranged in the middle connecting device body,
stripping the end of an insulated tubular bus to enable the end conductive tube of the insulated tubular bus to be in an exposed state, drilling a through hole body on the end conductive tube of the insulated tubular bus, respectively coating a silicon rubber sealant of a glue layer (91) on the inner wall of the end conductive tube of the insulated tubular bus and the outer side surface part of a lining part (11), inserting the lining part (11) into the end conductive tube of the insulated tubular bus, installing a fixing pin (2) in the through hole body on the end conductive tube of the insulated tubular bus and the blind hole body of the lining part (11), installing four spring contact fingers (10) or a watchband contact finger (20) on the end conductive tube of the insulated tubular bus, installing two sleeve parts (31) on the end conductive tube of the insulated tubular bus, enabling the spring contact fingers (10) or the watchband contact finger (20) to be located in a groove body (33), and respectively installing a first outer sleeve (4) and a second outer sleeve (5) on the two sleeve parts (31), the potential table part (32) is made to correspond to the positioning table part (12), the inner shielding tube (6) is installed on the copper table sleeve (3) and the insulator of the end of the insulating tubular bus, the insulating layer (7) is installed on the inner shielding tube (6) and the insulator of the end of the insulating tubular bus, the stress cone (92) is installed in the insulator and the insulating layer (7) of the end of the insulating tubular bus, the metal shielding layer (8) is installed on the insulating layer (7) and the outer shielding layer of the end of the insulating tubular bus, and the outer sheath (9) is installed on the metal shielding layer (8) and the outer sheath of the end of the insulating tubular bus.
56. The intermediate connecting method for an insulated tubular busbar according to claim 55, wherein: the method comprises the following steps: stripping the end of the insulated tubular bus to expose the end conductive tube of the insulated tubular bus, drilling a blind hole body on the end conductive tube of the insulated tubular bus, positioning four spring contact fingers (10) or watchband contact fingers (20) in a groove body (13), inserting a lining part (11) into the end conductive tube of the insulated tubular bus to enable the outer side surface part of the spring contact finger (10) or the outer side surface part of the watchband contact finger (20) to respectively act on the inner wall of the end conductive tube of the insulated tubular bus, installing two tube parts (231) on the end conductive tube of the insulated tubular bus, connecting the two tube parts (231) together with a first threaded hole body (232) through a screw (25), enabling the two tube parts (231) to be held on the end conductive tube of the insulated tubular bus, installing a fixing pin (2) in the pin hole body (233) and the blind hole body of the end conductive tube of the insulated tubular bus, two cover piece parts (61) and a flange part (62) are installed on a cylinder part (231), a joint part (82) is installed on a connecting pin (27), the end of the connecting pin (27) is inserted into a pin shaft hole body (63), thus, two cover sheet parts (61) and a flange disc part (62) are clasped on a cylinder part (231), two wire parts (81) are installed on an end conductive tube of the insulating tubular bus, an inner shielding tube (6) is installed on the cover sheet parts (61) and an insulator of the end of the insulating tubular bus, an insulating layer (7) is installed on the inner shielding tube (6) and the insulator of the end of the insulating tubular bus, a stress cone (92) is installed in the insulator of the end of the insulating tubular bus and the insulating layer (7), and a metal shielding layer (8) is arranged on the insulating layer (7) and the outer shielding layer of the end of the insulating tubular bus, and an outer sheath (9) is arranged on the metal shielding layer (8) and the outer shielding layer of the end of the insulating tubular bus.
57. The intermediate connecting method for an insulated tubular busbar according to claim 55, wherein: peeling off the end of the insulated tubular bus to expose the end conductive tube of the insulated tubular bus, positioning the four spring contact fingers (10) or the watchband contact fingers (20) in the groove body (13), inserting the lining part (11) into the end conductive tube of the insulated tubular bus, respectively acting the outer side surface part of the spring contact fingers (10) or the outer side surface part of the watchband contact fingers (20) on the inner wall of the end conductive tube of the insulated tubular bus, mounting the tube part (231) on the end conductive tube of the insulated tubular bus, rotating the screw rod (24) in the second threaded hole body (34), mounting the tube part (231) on the end conductive tube of the insulated tubular bus, acting the outer end head of the screw rod (24) on the end conductive tube of the insulated tubular bus, mounting the two cover sheet parts (61) and the flange part (62) on the tube part (231), mounting the joint part (82) on the connecting pin (27), inserting the end of the connecting pin (27) into the pin hole body (63), so as to hold the two cover sheet parts (61) and the flange part (62) on the cylinder part (231), installing the two wire parts (81) on the end conductive tube of the insulated tubular bus, installing the inner shielding tube (6) on the cover sheet part (61) and the insulator of the end of the insulated tubular bus, installing the insulating layer (7) on the inner shielding tube (6) and the insulator of the end of the insulated tubular bus, installing the stress cone (92) in the insulator of the end of the insulated tubular bus and the insulating layer (7), installing the metal shielding layer (8) on the insulating layer (7) and the outer shielding layer of the end of the insulated tubular bus, installing the outer sheath (9) on the metal shielding layer (8) and the outer sheath of the end of the insulated tubular bus, when the end of the insulated tubular bus needs to be reinstalled, the inner shielding tube (6), the insulating layer (7), the stress cone (92), the metal shielding layer (8) and the outer sheath (9) are peeled off, so that the screw rod (24) rotates in the second threaded hole body (34) in the opposite direction, the outer end of the screw rod (24) is separated from the end conductive tube of the insulating tubular bus, the end conductive tube of the insulating tubular bus is pulled out from the position between the lining core (1) and the copper sleeve (23), and the end conductive tube of the insulating tubular bus is in an exposed state.
CN202010701260.7A 2020-07-20 2020-07-20 Intermediate connection device and method for insulated tubular busbar and application Active CN111834761B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201667521U (en) * 2010-04-13 2010-12-08 大连第二互感器集团有限公司 Wall sleeve
CN106299751A (en) * 2016-08-22 2017-01-04 山东泰开电缆有限公司 Attachment means for insulating tube type busbar termination
CN110247206A (en) * 2019-05-07 2019-09-17 山东泰开电缆有限公司 Attachment device for insulating tube type busbar end

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201667521U (en) * 2010-04-13 2010-12-08 大连第二互感器集团有限公司 Wall sleeve
CN106299751A (en) * 2016-08-22 2017-01-04 山东泰开电缆有限公司 Attachment means for insulating tube type busbar termination
CN110247206A (en) * 2019-05-07 2019-09-17 山东泰开电缆有限公司 Attachment device for insulating tube type busbar end

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