CN105870669A - Splicing fitting for overhead lines - Google Patents
Splicing fitting for overhead lines Download PDFInfo
- Publication number
- CN105870669A CN105870669A CN201610282157.7A CN201610282157A CN105870669A CN 105870669 A CN105870669 A CN 105870669A CN 201610282157 A CN201610282157 A CN 201610282157A CN 105870669 A CN105870669 A CN 105870669A
- Authority
- CN
- China
- Prior art keywords
- core pipe
- core
- heat
- plate portion
- crimp
- 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
- 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
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- 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
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a splicing fitting for overhead lines. The splicing fitting comprises a core pipe, two pressing claw assemblies and two plane nuts; a pressing joint boss is arranged on the inner circumferential wall of the core pipe, a radial limit slide hole is formed in the pipe wall of the core pipe, and a stop table is arranged on the inner circumferential wall of the core pipe; each pressing claw assembly comprises multiple pressing claws; the two plane nuts are both rotationally arranged in a pipe cavity of the core pipe and located on the two sides of the stop table respectively; each plane nut comprises a fastening part and a plane thread part which is matched with the pressing claws of the corresponding pressing claw assembly; an installation threaded hole in which a temperature sensing device is arranged is formed in at least one pressing joint piece. The splicing fitting has a real-time temperature monitoring function.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of overhead transmission line splicing fitting.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need two with power circuit splicing fitting
Root insulated conductor links together.Power circuit splicing fitting has simple installation, low cost, safe and reliable non-maintaining spy
Point.Without blocking leader cable, can do cable branch without peelling off the insulating barrier of cable, joint is completely insulated, can livewire work,
On-the-spot branch can be made in cable optional position；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, anti-
Corrosion and ageing；Using insulating power circuit splicing fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional tradition
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 and a kind of there is preferable anti-loosening effect and there is the built on stilts of real time temperature control function
Circuit splicing fitting.
The technical scheme realizing the object of the invention is: a kind of overhead transmission line splicing fitting, it is characterised in that: include one
Core pipe, two casing pressure claw assemblies, two plane nuts and at least one crimp；The tube wall of core pipe is provided with radially spacing slide opening；
Crimp is provided with pressing plate portion and anticreep connecting portion；Crimp is arranged on core pipe by anticreep connecting portion is dismountable, pressing plate portion
It is positioned at outside core pipe；Each casing pressure claw assembly includes the paw for forming clamp hole with crimp combination；Paw include top plate portion,
From the guide runner portion of the inwardly projecting formation of the inwall of top plate portion and the driving threaded portion being arranged on guide runner portion；Top plate portion
It is positioned at outside core pipe；Guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, drives threaded portion to stretch to core pipe
Tube chamber in；Each plane nut rotation is arranged in core pipe tube chamber；Each plane nut includes pressing in corresponding a set of paw assembly
The flat thread portion driving threaded portion engagement adaptation of pawl；The most spacing slide opening all extends radially through core tube wall along core pipe；Lead
Radially extend along core pipe to slide section；Each paw radial direction along core pipe under the guide and limit effect of radially spacing slide opening is back and forth slided
Dynamic；The pressing plate portion of a corresponding crimp is just arranged by each radially spacing slide opening；The outer wall of paw top plate portion is provided with arc folder
Groove；The inwall in pressing plate portion is provided with arcuate groove；The arc clip slot of paw top plate portion just arc to a corresponding crimp pressing plate portion
Groove is arranged, and this arc clip slot and this arcuate groove clamping form a clamp hole；At least one crimp is provided with built-in temperature sensing
The installation screw of device；Temperature sensing device includes the metal shell with storage tank, the temperature sensing being arranged in storage tank
Device, for spring that temperature sensor is crimped in storage tank and the screwed pipe plug being used 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 outer wall 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.
The present invention has positive effect: (1) present invention drives paw clamping electric power cable by flat thread portion, and by passing
The bolt assembly clamping electric power cable of system is compared, and can apply bigger pressure, and have excellent anti-loosening effect, be effectively ensured
The reliability of long-term work.(2) present invention uses two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe
Really, in use go wrong even if the most a set of, its service behaviour of the most another set of guarantee.(3) crimp due at least one
Part is provided with the installation screw of built-in temperature sensing device, therefore 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 that the one of the second structure of the present invention partly cuts open structural representation；
Fig. 6 is the close-up schematic view in Fig. 5 at B；
Fig. 7 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 overhead transmission line splicing fitting, as shown in Fig. 1 to Fig. 4, overlaps paw group including a core pipe 2, two
3, two plane nuts of part 4 and two set crimp assemblies.
The tube wall of core pipe is provided with six spacing slide openings of radial direction 22, and each radially spacing slide opening all extends radially through core along core pipe
Tube wall；Each radially spacing slide opening be positioned at core pipe axially on middle part, the radial cross-sectional shape of each radially spacing hole is I-shaped；
The internal perisporium of core pipe is provided with the annular gear platform 23 of inwardly projecting formation.In the present embodiment, six radial direction spacing holes are divided into two groups,
In each group three radially spacing hole is for adaptive with corresponding a set of paw assembly.
Each set crimp assemblies is for adaptive with corresponding a set of paw assembly, and each set crimp assemblies all includes three crimps 1；
Each crimp is provided with pressing plate portion 11 and anticreep connecting portion 12；Crimp is arranged on core pipe by anticreep connecting portion is dismountable；
Pressing plate portion 11 is axially extending along core pipe, and the inwall in pressing plate portion is provided with arcuate groove 13, and the periphery wall in pressing plate portion is circular arc；Anticreep is even
The portion of connecing is two the post plates protruding inwardly from formation from pressing plate portion two side ends, and each post plate is axially extending along core pipe, the radial direction of each post plate
Cross sectional shape is L-shaped；In the present embodiment, two L-shaped post plates are oppositely arranged；
Three it are provided with vertically for the anticreep chute 24 installing location crimp on the periphery wall of core pipe；Each anticreep chute includes
Two radial sections are the mounting grooves 241 of L-shaped；In the present embodiment, two adjacent anticreep chutes are oppositely arranged；Each mounting groove and
A corresponding post plate is adaptive；The anticreep connecting portion of each crimp slips into along core pipe axial direction from a side of anticreep chute accordingly
In one anticreep chute；In concrete practice, anticreep connecting portion can select other shape, as long as making the anticreep of crimp
Connecting portion can not remove along core caliber to from anticreep chute；In concrete practice, it is possible to select the mode of clamping to install
Fixing crimp；Multiple draw-in groove is such as set on the periphery wall of core pipe, each pressing plate arranges the clamping protruded inwardly from and supports
Post or clamping gripper shoe, directly snap in each clamping support column or clamping gripper shoe in a corresponding draw-in groove, also can prevent clamping
Part removes core pipe along core pipe radial direction, and this structure is also feasible.
The inwall of a corresponding crimp is just arranged by each radially spacing slide opening.
In concrete practice, also two crimps axially adjacent along core pipe can be made of one part, then in the present embodiment
Two set crimp assemblies just unite two into one and become a set of crimp assemblies.
Each casing pressure claw assembly includes three paws 5 for forming clamp hole with crimp combination；Each paw includes top board
Portion 51, from the guide runner portion 52 of the inwardly projecting formation of the inwall of top plate portion and the driving threaded portion that is arranged on guide runner portion
53；Top plate portion is axially extending along core pipe, and guide runner portion radially extends along core pipe；The outer wall of paw top plate portion is provided with arc folder
Groove 511；Each paw top plate portion is positioned at outside core pipe, and just arranges the pressing plate portion of a corresponding crimp；Each guide runner portion
Insert on core pipe in a corresponding spacing slide opening of radial direction, in each tube chamber driving threaded portion to stretch to core pipe；Each paw is radially
Under the guide and limit effect of spacing slide opening, the radial direction along core pipe reciprocatingly slides；The radial cross-sectional shape in each guide runner portion is and footpath
To adaptive I-shaped of spacing hole.
In the present embodiment, crimp is identical with the quantity of paw, in concrete practice, and the number of paw in each casing pressure claw assembly
Amount can be to select between one to five, and the present embodiment selects three.
The arcuate groove in a corresponding crimp pressing plate portion is just arranged by the arc clip slot of each paw top plate portion, this arc clip slot
A clamp hole 6 is formed with this arcuate groove clamping；Being filled with insulation oils and fats in clamp hole, each clamp hole is for one electric power of clamping
Cable.The present embodiment forms three clamp holes altogether, for three electric power cables of clamping.In concrete practice, each crimp big
Little can be different, the distance between arcuate groove and the core tube wall in the most each pressing plate portion is different, varies in size such that it is able to formed
Clamp hole, for clamping the cable of different thicknesses.
Two plane nut rotations are arranged in core pipe tube chamber, and are positioned at the both sides of annular gear platform；Each plane nut includes
Engage the flat thread portion 41 of adaptation with the threaded portion that drives of paw in corresponding a set of paw assembly and be positioned in plane nut
Fastening part 42 at the heart；Each plane nut adjoins the flat thread portion that arranges on a side of paw assembly, each plane nut another
One side and core pipe gear platform slide adjacent；The periphery wall of each plane nut and core inside pipe wall slide adjacent；Flat thread portion is ring
Shape, flat thread portion is provided with archimedean spiral groove, and the driving threaded portion of paw assembly is provided with and this Archimedian screw
The thread groove that groove is adaptive, each side driving threaded portion to be arranged on guide runner portion, place 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 crimp is also to pass through casting forming
The integral piece made, each puncture is made when casting forming；In concrete practice, puncture may be used without alternate manner and makes；Example
As being provided with multiple installation draw-in groove in each arcuate groove and each arc clip slot, then being inlaid in phase by the die-cut puncture sheet made
Answering one to install in draw-in groove, puncture sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes
Draw-in groove is installed and forms puncture.The benefit of this structure is to puncture sheet the material different with paw can be used to make, and especially selects
With with treat that same material used by clamp cable is made, be conducive to obtaining preferable electric property.
In the present embodiment, the fastening part of each plane nut is interior hexagonal shape fastener hole or interior hexagonal shape binding groove, and it twists behaviour
Make to use inner hexagon spanner；In concrete practice, described fastening part just can use other shape, the most square or in-line or prunus mume (sieb.) sieb.et zucc.
Flower-shape, all can select.
Each plane nut, in reciprocating rotation, drives its flat thread portion reciprocating rotation, and then by engaging adaptation
The threaded portion that drives drive the paw in corresponding a set of paw assembly, owing to each paw is made at the guide and limit of radially spacing slide opening
Under with, the radial direction only along core pipe moves back and forth so that in corresponding a set of paw assembly the move mode of paw be towards
Core tube hub close to each other or away from, thus unclamp or clamp the electric power cable being positioned in clamp hole.
When the present embodiment is on the overhead power line of high-altitude, be conducive to alleviating vibration；It addition, the present embodiment passes through plane
Threaded portion drives paw clamping electric power cable, compares, in anti-loosening effect with by traditional bolt assembly clamping electric power cable
On particularly excellent, the reliability of long-term work is effectively ensured.Additionally, due to crimp is to be pacified by sliding or crimping mode
It is contained on core pipe, can first cable be placed in the arc clip slot of each paw, more corresponding crimp is loaded corresponding anticreep
In chute, corresponding electric power cable can be placed in clamp hole；This structure make clamp electric power cable easy and simple to handle easily
OK.Finally, due to the fact that and have employed two casing pressure claw assemblies for clamping electric power cable, also there is the technique effect of dual fail-safe.
(embodiment 2)
The present embodiment and above-described embodiment 1 are essentially identical, and difference is: as shown in Fig. 5 and Fig. 6, at least one crimp 1
It is provided with the installation screw 15 extending radially through pressing plate portion along core pipe；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 outer wall 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, an installation screw can be respectively provided with on each crimp and one be built in this installation screw
In temperature sensing device, for each cable and and the temperature of crimp junction monitor in real time, thus realize
It is further intelligent that power network monitoring runs.
(embodiment 3)
The present embodiment and above-described embodiment 2 are essentially identical, and difference is: as shown in Figure 7, in the present embodiment outside crimp
The most sheathed on perisporium 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.
The present embodiment can be used in clamping three phase cables, and now the present embodiment entirety can be mutual as high pressure zero-sequence current
Sensor uses, for detecting 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 (1)
1. an overhead transmission line splicing fitting, it is characterised in that: include a core pipe, two casing pressure claw assemblies, two plane spiral shells
Mother and at least one crimp；The tube wall of core pipe is provided with radially spacing slide opening；Crimp is provided with pressing plate portion and anticreep connecting portion；
Crimp is arranged on core pipe by anticreep connecting portion is dismountable, and pressing plate portion is positioned at outside core pipe；Each casing pressure claw assembly includes
For forming the paw in clamp hole with crimp combination；Paw includes top plate portion, from the inwardly projecting formation of the inwall of top plate portion
Guide runner portion and the driving threaded portion being arranged in guide runner portion；Top plate portion is positioned at outside core pipe；Guide runner portion inserts
On core pipe in a corresponding spacing slide opening of radial direction, threaded portion is driven to stretch in the tube chamber of core pipe；Each plane nut rotation is arranged
In core pipe tube chamber；Each plane nut includes engaging the plane of adaptation with the threaded portion that drives of paw in corresponding a set of paw assembly
Threaded portion；The most spacing slide opening all extends radially through core tube wall along core pipe；Guide runner portion radially extends along core pipe；Each paw
Under the guide and limit effect of radially spacing slide opening, the radial direction along core pipe reciprocatingly slides；Each radially spacing slide opening is just to corresponding one
The pressing plate portion of crimp is arranged；The outer wall of paw top plate portion is provided with arc clip slot；The inwall in pressing plate portion is provided with arcuate groove；Paw
The arcuate groove in a corresponding crimp pressing plate portion is just arranged by the arc clip slot of top plate portion, this arc clip slot and this arcuate groove clamping
Form a clamp hole；At least one crimp is provided with the installation screw of built-in temperature sensing device；Temperature sensing device includes
Have the metal shell of storage tank, the temperature sensor being arranged in storage tank, for temperature sensor is crimped on storage tank
In spring and 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 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 outer wall 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282157.7A CN105870669A (en) | 2016-05-02 | 2016-05-02 | Splicing fitting for overhead lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610282157.7A CN105870669A (en) | 2016-05-02 | 2016-05-02 | Splicing fitting for overhead lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105870669A true CN105870669A (en) | 2016-08-17 |
Family
ID=56630201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610282157.7A Pending CN105870669A (en) | 2016-05-02 | 2016-05-02 | Splicing fitting for overhead lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105870669A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419096A (en) * | 2008-12-12 | 2009-04-29 | 王涛 | Temperature sensor fixing structure on high-pressure electrified conductor and electrified installation tool thereof |
| CN201515024U (en) * | 2009-09-29 | 2010-06-23 | 江苏省电力公司苏州供电公司 | Convertible multifunctional wire clamp |
| CN202387980U (en) * | 2011-10-31 | 2012-08-22 | 苏州市东立机械有限公司 | Novel three-jaw chuck |
-
2016
- 2016-05-02 CN CN201610282157.7A patent/CN105870669A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419096A (en) * | 2008-12-12 | 2009-04-29 | 王涛 | Temperature sensor fixing structure on high-pressure electrified conductor and electrified installation tool thereof |
| CN201515024U (en) * | 2009-09-29 | 2010-06-23 | 江苏省电力公司苏州供电公司 | Convertible multifunctional wire clamp |
| CN202387980U (en) * | 2011-10-31 | 2012-08-22 | 苏州市东立机械有限公司 | Novel three-jaw chuck |
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Application publication date: 20160817 |