CN106159467A - Modified model overhead transmission line splicing fitting - Google Patents

Modified model overhead transmission line splicing fitting Download PDF

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Publication number
CN106159467A
CN106159467A CN201610286294.8A CN201610286294A CN106159467A CN 106159467 A CN106159467 A CN 106159467A CN 201610286294 A CN201610286294 A CN 201610286294A CN 106159467 A CN106159467 A CN 106159467A
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CN
China
Prior art keywords
core
tube
heat
core pipe
base tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610286294.8A
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Chinese (zh)
Inventor
申清章
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610286294.8A priority Critical patent/CN106159467A/en
Publication of CN106159467A publication Critical patent/CN106159467A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • 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
    • H01R4/28—Clamped connections, spring connections
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables

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  • Clamps And Clips (AREA)

Abstract

The invention discloses a kind of modified model overhead transmission line splicing fitting, including a base tube, core pipe, two casing pressure claw assemblies and two plane nuts；The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with radially spacing slide opening, and the internal perisporium of core pipe is provided with gear platform；Each casing pressure claw assembly includes multiple paw；Two plane nuts all rotate and are arranged in core pipe tube chamber, the both sides of two plane nut separation gear platforms；Each plane nut includes fastening part and the flat thread portion adaptive with each paw in corresponding a set of paw assembly；Base tube is provided with the installation screw extending radially through base tube wall body；Base tube is provided with the installation screw of built-in temperature sensing device.The present invention has the anti-loosening effect of excellence.

Description

Modified model overhead transmission line splicing fitting
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of modified model overhead transmission line gold that continues Tool.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need to use power circuit splicing fitting Two insulated conductors are linked together.Power circuit splicing fitting has a simple installation, and low cost is safe and reliable non-maintaining Feature.Without blocking leader cable, can do cable branch without peelling off the insulating barrier of cable, joint is completely insulated, can charged make Industry, can make on-the-spot branch in cable optional position；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, Anticorrosion is aging；Using insulating power circuit splicing fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional biography System connected mode.
Traditional power circuit splicing fitting is mainly by strengthening housing, piercing blade, waterproof silicone grease, high-strength bolt and spiral shell Female composition, the preferred torque nut of its nut, its structure is the most ripe, also obtains relatively broad application.But conventional powerline Road splicing fitting there is also weak point, and the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily pine Dynamic.
Summary of the invention
It is an object of the invention to provide a kind of modified model overhead transmission line splicing fitting with real time temperature control function.
The technical scheme realizing the object of the invention is: a kind of modified model overhead transmission line splicing fitting, including a base tube, One core pipe, two casing pressure claw assemblies and two plane nuts；The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with The most spacing slide opening, the internal perisporium of core pipe is provided with gear platform；Each casing pressure claw assembly includes that multiple paw, each paw include pressing plate Portion, the guide runner portion of the inwardly projecting formation of inwall from pressing plate portion and the driving threaded portion being arranged on guide runner portion；Respectively Pressing plate portion is positioned between base tube inwall and core tube wall, and each guide runner portion inserts a corresponding spacing slide opening of radial direction on core pipe In, in each tube chamber driving threaded portion to stretch to core pipe；Each pressing plate portion and a corresponding crimping boss clamping form a clamp Hole；Two plane nuts all rotate and are arranged in core pipe tube chamber, the both sides of two plane nut separation gear platforms；Each casing pressure claw assembly In drive threaded portion be respectively positioned on a corresponding plane nut away from gear platform side；Each plane nut include fastening part and with The flat thread portion driving threaded portion engagement adaptation of each paw in corresponding a set of paw assembly；The internal perisporium of base tube is along base tube axle To being additionally provided with multiple positioning runner；The periphery wall of core pipe be provided with multiple along core pipe radially protruding extend support flange, each The outboard end of support flange is positioned in a corresponding positioning runner, thus core pipe is supported in the tube chamber being positioned at base tube；
Base tube is provided with the installation screw of built-in temperature sensing device；Temperature sensing device includes that what metal material made has The metal shell of storage tank, the temperature sensor being arranged in storage tank, for temperature sensor being crimped on storage tank diapire On spring, for the screwed pipe plug of limit spring；
Metal shell is provided with heat conduction boss close to one end of core tube hub axis, and metal shell is away from core tube hub axis One end is provided with interior hexagonal and twists groove；The external screw thread that the periphery wall of metal shell is provided with and installation screw is adaptive, storage tank interior Perisporium is provided with internal threaded regions；Temperature sensor includes the heat-conducting block using heat conductive insulating elastomeric material to make, is arranged on heat conduction U-shaped thermo-sensitive resistor in block, two be arranged on heat-conducting block connect electric mortiser post；Heat-conducting block can be past in the storage tank of metal shell Multiple slip；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post and protrude setting On the heat-conducting block other end away from core tube hub axis；Heat-conducting block is away from the external diameter of the other end of core tube hub axis and accommodating Enclosing formation cannelure between the internal perisporium of groove, spring is positioned in this cannelure and is set in heat-conducting block away from core tube hub axis One end on；Screwed pipe plug is provided with external screw thread district close to the periphery wall of one end of core tube hub axis, this external screw thread district and gold The internal threaded regions belonging to housing is adaptive；Screwed pipe plug is provided with outer-hexagonal away from the periphery wall of one end of core tube hub axis and twists Portion；The center of screwed pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close One end of core tube hub axis is connected on heat-conducting block, and spring is connected to screwed pipe plug away from the other end of core tube hub axis On；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
Heat conduction boss is to protrude the sharp tooth boss formed close to one end of core tube hub axis from metal shell.
The present invention has positive effect: (1) present invention drives paw clamping electric power cable by flat thread portion, and logical Cross traditional bolt assembly clamping electric power cable to compare, bigger pressure can be applied, and there is excellent anti-loosening effect, effectively Ensure the reliability of long-term work.(2) present invention is by being arranged on cable clamping at the center of power circuit splicing fitting Place, its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.(3) present invention uses Two casing pressure claw assemblies are clamped on same cable, have the effect of dual fail-safe, in use go wrong even if the most a set of, also There is its service behaviour of another set of guarantee.(4) extend radially through the installation screw of pressure pipe portion wall body along base tube owing to base tube is provided with, install Screw is fixed with temperature sensing device；So the present invention also has real time temperature control function.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of front view of gold utensil shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation；
Fig. 4 is a kind of explosive view of gold utensil shown in Fig. 1；
Fig. 5 is a kind of explosive view when removing base tube of the gold utensil shown in Fig. 4；
Fig. 6 is that the one of the second structure of the present invention partly cuts open structural representation；
Fig. 7 is the close-up schematic view in Fig. 6 at B；
Fig. 8 is that the one of the third structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of modified model overhead transmission line splicing fitting, as shown in Fig. 1 to Fig. 5, including a base tube 1, One core pipe 2, two casing pressure claw assembly 3 and two plane nuts 4；The internal perisporium of base tube is axially arranged with multiple crimping boss along base tube 11, the inwall of each crimping boss is provided with arcuate groove 111；The internal perisporium of base tube is axially additionally provided with multiple positioning runner 12 along base tube； Core pipe and base tube are arranged concentrically and are positioned at base tube tube chamber；The periphery wall of core pipe be provided with multiple along core pipe radially protruding extend Supporting flange 21, each outboard end supporting flange is positioned in a corresponding positioning runner, thus core pipe is supported and is positioned at base tube Tube chamber in；The tube wall of core pipe is provided with the spacing slide opening of multiple radial direction 22, each radially spacing slide opening all extending radially through along core pipe Core tube wall；The internal perisporium of core pipe is provided with the annular gear platform 23 of inwardly projecting formation.
Each casing pressure claw assembly includes multiple paw 5, in the most each casing pressure claw assembly the quantity of paw can one to Selecting as required between four, the quantity of the most spacing slide opening is then identical with the total quantity of paw, and the present embodiment selects four； Every casing pressure claw assembly and a corresponding plane nut are adaptive；Each paw includes that pressing plate portion 51, inwall from pressing plate portion are inwardly projecting The guide runner portion 52 formed and the driving threaded portion 53 being arranged in guide runner portion；Pressing plate portion is axially extending along base tube, leads Radially extend along core pipe to slide section；The outer wall in each paw pressing plate portion is provided with arc clip slot 511；Each pressing plate portion is positioned at base tube Between wall and core tube wall, each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each driving threaded portion is stretched Enter to the tube chamber of core pipe；Each paw radial direction along core pipe under the guide and limit effect of radially spacing slide opening reciprocatingly slides.
In the present embodiment, the radial cross-sectional shape of each radially spacing hole is I-shaped, the radial section in each guide runner portion Shape is adaptive with radial direction spacing hole I-shaped；In concrete practice, radially spacing hole and the radial section in guide runner portion Shape also can be selected for other shape, such as circle, rectangle, square, as long as having radially-directed and limit effect.
In the present embodiment, the arcuate groove of a corresponding crimping boss is just arranged by the arc clip slot of each paw, and this paw Arc clip slot and this crimping boss arcuate groove clamping formed a clamp hole 6, each clamp hole for clamping one electric lines of force Cable.In the present embodiment, the size in each clamp hole can be different, for clamping the cable of different thicknesses.
Two plane nuts all rotate and are arranged in core pipe tube chamber, the both sides of two plane nut separation annular gear platforms；Respectively The periphery wall of plane nut and core inside pipe wall slide adjacent, and the center of each plane nut is provided with fastening part 42；Each plane nut A side and annular gear platform slide adjacent, another side is provided with and the driving threaded portion of each paw in corresponding a set of paw assembly The flat thread portion 41 that engagement is adaptive；Flat thread portion is annular, and flat thread portion is provided with archimedean spiral groove；Each paw The thread groove that driving threaded portion is provided with and this archimedean spiral groove is adaptive of assembly, each driving threaded portion is arranged on place and leads A side to slide section adjacent flat nut.
The present embodiment, in order to connect electricity on insulating power cable, is also provided with multiple wearing in each arcuate groove and each arc clip slot Thorn 7；Specifically, respectively puncture along core pipe radially protruding.The existence punctured, can not carried out at peeling insulating power cable Reason, can effectively connect electricity.In concrete practice, if to be clamped is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each crimping boss and base tube are by watering Casting the integral piece that shape is made, each puncture is made when casting forming；In concrete practice, puncture and may be used without alternate manner Make；In each arcuate groove and each arc clip slot, such as it is provided with multiple installation draw-in groove, then by the die-cut puncture sheet made Being inlaid in corresponding one and install in draw-in groove, puncture sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, stings sword Portion then exposes installation draw-in groove and forms puncture.The benefit of this structure is to puncture sheet the material different with paw can be used to make, Especially select and treat that same material used by clamp cable is made, being conducive to obtaining preferable electric property.
The fastening part of the present embodiment midplane nut is interior hexagonal shape fastener hole or interior hexagonal shape binding groove, and it twists operation Use inner hexagon spanner；In concrete practice, described fastening part just can use other shape, the most square or in-line or Flos Mume Shape, all can select.
The present embodiment can form four clamp holes, is especially suited as branch connection gold utensil and uses.
In the present embodiment, each plane nut, when reciprocating rotation, drives its flat thread portion reciprocating rotation, so by with In the corresponding a set of paw assembly of driving threaded portion driving that the engagement of this flat thread portion is adaptive, each paw moves, owing to each paw exists Under the guide and limit effect of the most spacing slide opening, the radial direction only along core pipe moves back and forth, so that in each casing pressure claw assembly The move mode of paw be close to each other towards core tube hub or away from, thus unclamp or clamp the electric power being positioned in each clamp hole Cable.
The present embodiment gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration；Separately Outward, the present embodiment drives paw clamping electric power cable by flat thread portion, and by traditional bolt assembly clamping electric lines of force Cable is compared, particularly excellent in anti-loosening effect, and the reliability of long-term work is effectively ensured.It addition, the present embodiment passes through Same cable is used two casing pressure claw assembly clampings, there is the effect of dual fail-safe, in use go wrong even if the most a set of, Also has its service behaviour of another set of guarantee.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 6 and Fig. 7, and base tube 1 is provided with radially Run through the installation screw 15 of base tube wall body；This installation screw is fixed with a temperature sensing device 8.
Temperature sensing device 8 includes the metal shell 81 with storage tank 811 that metal material makes, is arranged on storage tank In temperature sensor 82, the spring 83 for temperature sensor is crimped on storage tank diapire, the spiral shell that is used for limit spring Pipe plug 84.
Metal shell is provided with as puncturing the heat conduction boss 813 used, metal-back close to one end 812 of core tube hub axis Body is provided with interior hexagonal away from one end 814 of core tube hub axis and twists groove 815；The periphery wall of metal shell is provided with and installs spiral shell The external screw thread 816 that hole is adaptive, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss is close to core from metal shell The sharp tooth boss formed is protruded in one end 812 of tube hub axis.
Temperature sensor includes using the heat-conducting block 821 that heat conductive insulating elastomeric material is made, the U-shaped being arranged in heat-conducting block Thermo-sensitive resistor 822, two be arranged on heat-conducting block connect electric mortiser post 823；Heat-conducting block can be reciprocal in the storage tank of metal shell Slide；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post protrusion and are arranged on On the heat-conducting block other end away from core tube hub axis；
Heat-conducting block encloses formation annular between external diameter and the internal perisporium of storage tank away from the other end of core tube hub axis Groove 100, spring is positioned in this cannelure and is set on heat-conducting block one end away from core tube hub axis；
Screwed pipe plug is provided with external screw thread district 841 close to the periphery wall of one end of core tube hub axis, this external screw thread district and The internal threaded regions 817 of metal shell is adaptive；Screwed pipe plug is provided with outer-hexagonal away from the periphery wall of one end of core tube hub axis Twist portion 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed on cannelure by its external screw thread district In；
Spring is connected on heat-conducting block close to one end of core tube hub axis, and spring is away from the other end of core tube hub axis It is connected on screwed pipe plug；On heat-conducting block two connect electric mortiser post and are positioned in the tube chamber 843 of screwed pipe plug.
This structure has the following advantages, owing to metal shell is easily deformed when extruding cable, and extrusion temperature sensor Heat-conducting block, if heat-conducting block does not has mobile space, then easily pressurized deformation damages；The present embodiment, can by arranging spring Heat-conducting block is crimped on the diapire of metal shell storage tank so that it is can correctly predict cable and junction, pressing plate pressing plate portion Real time temperature；Can also be when, after metal shell compressive deformation, reserving mobile space to heat-conducting block, thus prevent heat-conducting block by pressurized Damage；This structure has preferably Practical Performance.
In concrete practice, multiple installation screw and temperature sensing device can be set on base tube, for each Cable and the temperature with base tube junction monitor in real time, thus realize the further intellectuality that power network monitoring runs.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Figure 8, the periphery of base tube in the present embodiment The most sheathed on wall being fixed with current transformer 9, this current transformer 9 includes toroidal inductive body 91 and intelligent control module 92； The monnolithic case of intelligent control module is also annular；Toroidal inductive body 91 and intelligent control module 92 are arranged side by side.
The internal perisporium of intelligent control module 92 is provided with inwardly projecting two and connects electric bushing (being not drawn on figure), respectively connects electricity Socket inserts corresponding one and connects in electric bushing, so that temperature sensor is connected with the middle control circuit in intelligent control module.
When the quantity of the crimping boss in the present embodiment and paw all selects three, the present embodiment can form three folders String holes, for three phase cables of clamping, now the present embodiment entirety can use as high pressure zero sequence current mutual inductor, is used for examining Survey the existence of leakage current, to find leak current fault in time.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.

Claims (2)

1. a modified model overhead transmission line splicing fitting, it is characterised in that: include a base tube, core pipe, two set paws Assembly and two plane nuts；The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with radially spacing slide opening, core pipe Internal perisporium be provided with gear platform；Each casing pressure claw assembly include multiple paw, each paw include pressing plate portion, inwall from pressing plate portion to The guide runner portion of projecting inward formation and the driving threaded portion being arranged in guide runner portion；Each pressing plate portion be positioned at base tube inwall and Between core tube wall, each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each driving threaded portion stretches to In the tube chamber of core pipe；Each pressing plate portion and a corresponding crimping boss clamping form a clamp hole；Two plane nuts all rotate It is arranged in core pipe tube chamber, the both sides of two plane nut separation gear platforms；Driving threaded portion in each casing pressure claw assembly is respectively positioned on A corresponding plane nut is away from the side of gear platform；Each plane nut includes fastening part and each with corresponding a set of paw assembly The flat thread portion driving threaded portion engagement adaptation of paw；It is sliding that the internal perisporium of base tube is axially additionally provided with multiple location along base tube Groove；The periphery wall of core pipe is provided with multiple support flange extended along core pipe radially protruding, and each outboard end supporting flange is positioned at In a corresponding positioning runner, thus core pipe is supported in the tube chamber being positioned at base tube；
Base tube is provided with the installation screw of built-in temperature sensing device；Having that temperature sensing device includes that metal material makes is accommodating The metal shell of groove, the temperature sensor being arranged in storage tank, for temperature sensor is crimped on storage tank diapire Spring, screwed pipe plug for limit spring；
Metal shell is provided with heat conduction boss close to one end of core tube hub axis, and metal shell is away from one end of core tube hub axis It is provided with interior hexagonal and twists groove；The periphery wall of metal shell is provided with the external screw thread adaptive with installation screw, the internal perisporium of storage tank It is provided with internal threaded regions；Temperature sensor includes the heat-conducting block using heat conductive insulating elastomeric material to make, is arranged in heat-conducting block U-shaped thermo-sensitive resistor, be arranged on heat-conducting block two connect electric mortiser post；Heat-conducting block back and forth can be slided in the storage tank of metal shell Dynamic；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post and protrude and be arranged on and lead On the hot block other end away from core tube hub axis；Heat-conducting block is away from the external diameter of the other end of core tube hub axis and storage tank Enclosing formation cannelure between internal perisporium, spring is positioned in this cannelure and is set in heat-conducting block away from the one of core tube hub axis On end；Screwed pipe plug is provided with external screw thread district close to the periphery wall of one end of core tube hub axis, this external screw thread district and metal-back The internal threaded regions of body is adaptive；Screwed pipe plug is provided with outer-hexagonal away from the periphery wall of one end of core tube hub axis and twists portion；Spiral shell The center of pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close to core pipe One end of central axis is connected on heat-conducting block, and spring is connected on screwed pipe plug away from the other end of core tube hub axis；Lead Two on hot block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
Modified model overhead transmission line splicing fitting the most according to claim 1, it is characterised in that: heat conduction boss is from metal Housing protrudes, close to one end of core tube hub axis, the sharp tooth boss formed.
CN201610286294.8A 2016-05-02 2016-05-02 Modified model overhead transmission line splicing fitting Withdrawn CN106159467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610286294.8A CN106159467A (en) 2016-05-02 2016-05-02 Modified model overhead transmission line splicing fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610286294.8A CN106159467A (en) 2016-05-02 2016-05-02 Modified model overhead transmission line splicing fitting

Publications (1)

Publication Number Publication Date
CN106159467A true CN106159467A (en) 2016-11-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610286294.8A Withdrawn CN106159467A (en) 2016-05-02 2016-05-02 Modified model overhead transmission line splicing fitting

Country Status (1)

Country Link
CN (1) CN106159467A (en)

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Application publication date: 20161123