CN106159486A - A kind of modified model overhead transmission line splicing fitting - Google Patents
A kind of modified model overhead transmission line splicing fitting Download PDFInfo
- Publication number
- CN106159486A CN106159486A CN201610287381.5A CN201610287381A CN106159486A CN 106159486 A CN106159486 A CN 106159486A CN 201610287381 A CN201610287381 A CN 201610287381A CN 106159486 A CN106159486 A CN 106159486A
- Authority
- CN
- China
- Prior art keywords
- core
- heat
- hub axis
- conducting block
- paw
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- 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
- H01R11/01—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 form or arrangement of the conductive interconnection between the connecting locations
-
- 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
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
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
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, it is characterised in that: bag
Include 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, core pipe
Tube wall be provided with radially spacing slide opening, the internal perisporium of core pipe is provided with gear platform;Each casing pressure claw assembly includes multiple paw, respectively presses
Pawl includes pressing plate portion, the guide runner portion of the inwardly projecting formation of inwall from pressing plate portion and the driving being arranged on guide runner portion
Threaded portion;Each pressing plate portion is positioned between base tube inwall and core tube wall, and each guide runner portion inserts a corresponding radial direction on core pipe
In spacing slide opening, in each tube chamber driving threaded portion to stretch to core pipe;Each pressing plate portion and a corresponding crimping boss clamping are formed
One 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 set
The threaded portion that drives in paw assembly is respectively positioned on the corresponding plane nut side away from gear platform;Each plane nut includes fastening
Portion and engage adaptive flat thread portion with the threaded portion that drives of each paw in corresponding a set of paw assembly;
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 in the storage tank of metal shell
Reciprocatingly 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 set
Put 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 appearance
Putting and enclose 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 axle
On one end of line;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
The internal threaded regions 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 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.
In such scheme, heat conduction boss is to protrude the sharp tooth formed close to one end of core tube hub axis from metal shell
Boss.
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 system
Become;In each arcuate groove and each arc clip slot, such as it is provided with multiple installation draw-in groove, then embedding by the die-cut puncture sheet made
Being contained 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;
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610287381.5A CN106159486A (en) | 2016-05-02 | 2016-05-02 | A kind of modified model overhead transmission line splicing fitting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610287381.5A CN106159486A (en) | 2016-05-02 | 2016-05-02 | A kind of modified model overhead transmission line splicing fitting |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106159486A true CN106159486A (en) | 2016-11-23 |
Family
ID=57353671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610287381.5A Withdrawn CN106159486A (en) | 2016-05-02 | 2016-05-02 | A kind of modified model overhead transmission line splicing fitting |
Country Status (1)
Country | Link |
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CN (1) | CN106159486A (en) |
-
2016
- 2016-05-02 CN CN201610287381.5A patent/CN106159486A/en not_active Withdrawn
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Application publication date: 20161123 |