CN106025584A - Line clamping fittings used for electric power circuit - Google Patents
Line clamping fittings used for electric power circuit Download PDFInfo
- Publication number
- CN106025584A CN106025584A CN201610278995.7A CN201610278995A CN106025584A CN 106025584 A CN106025584 A CN 106025584A CN 201610278995 A CN201610278995 A CN 201610278995A CN 106025584 A CN106025584 A CN 106025584A
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- CN
- China
- Prior art keywords
- core
- plate portion
- core pipe
- heat
- paw
- Prior art date
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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
- H01R11/01—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
- 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
- H01R4/24—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
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- 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
Abstract
The invention discloses line clamping fittings for an electric power circuit, comprising a core pipe, two jacking bolts, two sets of crimping components and two sets of press claw components. The pipe wall of the core pipe is provided with radial guiding sliding holes. Each crimping component is provided with a pressure plate portion and a disconnecting prevention interconnecting portion; the crimping component is detachably arranged on the core pipe through the disconnecting prevention interconnecting portion. Each set of press claw components comprise a plurality of press claws; each press claw comprises a top plate portion, a guiding slide block portion and a driving surface; the top plate portion of each press claw is arranged in a mode of directly facing a corresponding crimping component pressure plate portion. The two jacking bolts are located on two side ends of the core pipe; each jacking bolt comprises a body, an outside thread zone and a jacking boss which is in a shape of a cone frustum; the driving surface of each press claw matches the peripheral wall of a corresponding jacking boss; at least one crimping component is provided with an installation screw hole, in which a temperature sensing device is arranged; when rotating in a preset direction, each jacking bolt pushes each press claw in a corresponding set of press claw components to move. The line clamping fittings are easy to install.
Description
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of clamp gold utensil for power circuit.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need with gold utensil by two insulated conductors even
It is connected together.Gold utensil has simple installation, low cost, safe and reliable non-maintaining feature.Without blocking leader cable, without peelling off
The insulating barrier of cable can do cable branch, and joint is completely insulated, can livewire work, can cable optional position make scene point
?；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, anticorrosion is aging；Insulation fitting is used to make cable
Branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional gold utensil is mainly made up of enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and nut, its spiral shell
Female preferably torque nut, its structure is the most ripe, also obtains relatively broad application.But tradition gold utensil there is also deficiency
Place, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
It is an object of the invention to provide a kind of clamp gold utensil for power circuit with real time temperature control function.
The technical scheme realizing the object of the invention is: a kind of clamp gold utensil for power circuit, including a core pipe, two
Individual top pressure bolt, two set crimp assemblies and two casing pressure claw assemblies；The tube wall of core pipe is provided with two groups of pilot holes, each group pilot hole bag
Include multiple radially-directed slide opening；Core pipe tube chamber is provided with two internal threaded regions；Each set crimp assemblies includes multiple crimp；Each pressure
Fitting is provided with pressing plate portion and anticreep connecting portion；Crimp is arranged on core pipe by anticreep connecting portion is dismountable；Respectively overlap paw
Assembly includes multiple paw；Each paw includes top plate portion, from the guide runner portion of the inwardly projecting formation of the inwall of top plate portion with set
Put the drive surface in guide runner portion；On each guide runner portion insertion core pipe in a corresponding radially-directed slide opening, respectively drive
Face stretches in the tube chamber of core pipe, and each top plate portion is between core inside pipe wall and core tube wall；The top plate portion of each paw is just to phase
Answering a crimp pressing plate portion to arrange, this top plate portion and this pressing plate portion clamping form one for the clamp clamping electric power cable
Hole；Two top pressure bolts are positioned at the two side ends of core pipe；Each top pressure bolt includes body, the external screw thread being arranged on body peripheral wall
District and the top belling platform being arranged on body medial extremity, that pushes up belling platform is shaped as circular cone shape；The external screw thread district of top pressure bolt
Adaptive with the internal threaded regions of core pipe；In each casing pressure claw assembly, the drive surface of each paw and the periphery wall of a corresponding top belling platform are fitted
Join；Each top pressure bolt also includes the fastening part being arranged on outer body end；Each fastening part is hexagonal shape fastener head；Each top belling platform
Axially extending along core pipe, and be positioned in core pipe tube chamber；The drive surface of each paw is one and top belling platform periphery wall adaptation
Curved surface or inclined-plane；The top plate portion of each paw is axially extending along core pipe, and the guide runner portion of each paw radially extends along core pipe；Each footpath
Cross sectional shape to guiding slide opening is I-shaped；The cross sectional shape in each guide runner portion is the I-shaped adaptive with radially-directed slide opening
Shape；Each top pressure bolt along preset direction rotate time, drive top belling platform to rotate traveling in core pipe tube chamber, respectively push up
Belling platform presses the drive surface in corresponding a set of paw assembly to promote each paw by top so that each top board in this casing pressure claw assembly
Portion is moved radially outward along core pipe, thus clamping is positioned at the electric power cable in each clamp hole；
At least one crimp is provided with the installation screw of built-in temperature sensing device；Temperature sensing device includes that metal material is made
The metal shell with storage tank, the temperature sensor being arranged in storage tank, accommodating for temperature sensor is crimped on
Spring in groove bottom wall and the screwed pipe plug for limit spring；
Metal shell is provided with as puncturing the heat conduction boss used close to one end of core tube hub axis, and metal shell is away from core pipe
One end of central axis 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 is provided with internal threaded regions；Temperature sensor include use heat conductive insulating elastomeric material make heat-conducting block,
The U-shaped thermo-sensitive resistor being arranged in heat-conducting block, two be arranged on heat-conducting block connect electric mortiser post；Heat-conducting block can be at metal shell
Storage tank reciprocatingly slides；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 protrudes and is arranged on the heat-conducting block other end away from core tube hub axis；Heat-conducting block is away from the other end of core tube hub axis
Enclosing formation cannelure between external diameter and the internal perisporium of storage tank, spring is positioned in this cannelure and is set in heat-conducting block away from core
On one end of tube hub axis；Screwed pipe plug is provided with external screw thread district close to the periphery wall of one end of core tube hub axis, and this is outer
The internal threaded regions of threaded area and metal shell is adaptive；Outside screwed pipe plug is provided with away from the periphery wall of one end of core tube hub axis
Hexagonal 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 connected on heat-conducting block close to one end of core tube hub axis, and spring is connected to spiral shell away from the other end of core tube hub axis
On pipe plug；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.
In such scheme, installation screw extends radially through pressing plate portion along core pipe.
The present invention has positive effect: (1) top pressure bolt and core pipe connect threadably, and by taper electrolysis
Crimping each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(2) by line
Cable clip is tightly arranged at core tube hub so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude,
Be conducive to alleviating vibration.(3) present invention uses two casing pressure claw assemblies to be clamped on same cable, the clamping behaviour of each casing pressure claw assembly
Work can individually be carried out, and this structure has the effect of double shield, in use goes wrong even if the most a set of, also has another
Its service behaviour of a set of guarantee.(4) it is provided with the installation screw of built-in temperature sensing device due to crimp, so the present invention also has
There is 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 that shown in Fig. 1, the one of gold utensil faces structural representation；
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 after gold utensil shown in Fig. 1 removes crimp and top pressure bolt；
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；
Fig. 9 is that the one of the 4th kind of structure of the present invention partly cuts open structural representation；
Figure 10 is a kind of side-looking structural representation of gold utensil shown in Fig. 9.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of clamp gold utensil for power circuit, as shown in Fig. 1 to Fig. 5, including a core pipe 2, two top
Pressure bolt 1, two set crimp assemblies 3 and two casing pressure claw assemblies 9.
The tube wall of core pipe is provided with two groups of pilot holes, and these two groups of pilot holes are axially arranged side by side along core pipe；Respectively organize pilot hole
Including four radially-directed slide openings 22, these four radially-directed slide openings are evenly distributed on core tube wall along core pipe circumference；Each footpath
All core tube wall is extended radially through along core pipe to guiding slide opening；The cross sectional shape of each radially-directed slide opening is I-shaped.Core pipe pipe
Chamber is provided with two internal threaded regions 23.
Each set crimp assemblies 3 all includes four crimps 31；Each crimp is provided with pressing plate portion 311 and anticreep connecting portion 312；
Crimp is arranged on core pipe by anticreep connecting portion is dismountable；Pressing plate portion is axially extending along core pipe, and the inwall in pressing plate portion sets
Having arcuate groove 313, the periphery wall in pressing plate portion is circular arc；Anticreep connecting portion is to protrude inwardly from the two of formation from pressing plate portion two side ends
Individual post plate 314, the radial cross-sectional shape of each post plate is L-shaped；In the present embodiment, two L-shaped post plates are oppositely arranged.
Each group pilot hole and corresponding a set of crimp assemblies are adaptive, and each each radially-directed slide opening organized in guiding is just to corresponding one
The inwall of a crimp in set crimp assemblies is arranged.
Four groups it are provided with vertically for the anticreep chute 21 installing location crimp on the periphery wall of core pipe；Respectively organize anti-skid
Groove includes that two radial sections are the axial slides 211 of L-shaped；In the present embodiment, two adjacent axial slides are oppositely arranged；Respectively
Axial slide and a corresponding post plate are adaptive；The anticreep connecting portion of each crimp along core pipe axial direction from corresponding set of anti-skid
One side of groove slips in this group anticreep chute；In concrete practice, anticreep connecting portion can select other shape, as long as making
The anticreep connecting portion obtaining crimp can not remove along core caliber to from anticreep chute；In concrete practice, it is possible to select
Snap fit installs fixing each crimp；Multiple draw-in groove is such as set on the periphery wall of core pipe, each pressing plate is arranged inwardly
Prominent clamping support column or clamping gripper shoe, directly snap in a corresponding draw-in groove by each clamping support column or clamping gripper shoe
In, also can prevent shackle member from removing core pipe along core pipe radial direction, this structure is also feasible.
In the present embodiment, the crimp in each set crimp assemblies is identical with the quantity of the paw in each casing pressure claw assembly.
In concrete practice, the cross sectional shape of radially-directed slide opening may be used without other shape, the most circular, square, Pedicellus et Pericarpium Trapae
Shape, is all feasible.
Each casing pressure claw assembly 9 all includes four paws 4；Each paw includes top plate portion 41, from the inwall of top plate portion to convex
Go out the guide runner portion 42 formed and the drive surface 43 being arranged in guide runner portion；Top plate portion is axially extending along core pipe, guides
Slide section radially extends along core pipe；The outer wall of each paw top plate portion is provided with arc clip slot 411；Each guide runner portion inserts core pipe
In a upper corresponding radially-directed slide opening, each drive surface stretches in the tube chamber of core pipe, and each top plate portion is positioned at core inside pipe wall and core
Between pipe outer wall；Each paw reciprocatingly slides along the radial direction of core pipe under the guide and limit effect of radially-directed slide opening；Respectively guide cunning
The cross sectional shape in block portion is adaptive with radially-directed slide opening I-shaped.
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
Forming a clamp hole 5 with this arcuate groove clamping, each clamp hole is for one electric power cable of clamping.The present embodiment forms four altogether
Clamp hole, can clamp four electric power cables.In concrete practice, the size of each crimp can be different, the most each pressing plate portion
Arcuate groove and core tube wall between distance different, such that it is able to form the clamp hole varied in size, be used for clamping different thick
Thin cable.
Two top pressure bolts are positioned at the two side ends of core pipe；Each top pressure bolt 1 includes body 11, is arranged on body peripheral wall
External screw thread district 12, the fastening part 13 being arranged on outer body end and the top belling platform 14 being arranged on body medial extremity, top pressure
Boss be shaped as circular cone shape；The external screw thread district of top pressure bolt and the internal threaded regions of core pipe are adaptive；Top belling platform is along core pipe
Axially extending, and be positioned in core pipe tube chamber.
In the present embodiment, each top pressure bolt and a corresponding paw assembly are adaptive, and the drive surface of each paw is and corresponding one
The curved surface that individual top belling platform periphery wall is adaptive, preferably has the curved surface of tapering；In concrete practice, this drive surface also can be selected for
Flat bevel.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of radially-directed slide opening in each group of pilot hole, can
Select between two to five.
The present embodiment is in order to connect electricity or promote chuck strength, also at each arc clip slot and arcuate groove on insulating power cable
In be provided with multiple puncture 6；Specifically, each puncture is along the radially protruding of core pipe.The existence punctured, can be without to insulating power
Cable carries out peeling process, 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 puncture is made when casting forming；?
In concrete practice, puncture may be used without alternate manner and makes；In each arc clip slot and arcuate groove, such as it is provided with multiple installation block
Groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncture sheet and include installation portion and thorn sword
Portion, installation portion is inlaid in installation draw-in groove, and thorn blade 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, be conducive to obtaining
Preferably electric property.In concrete practice, it is also possible to use in the mode being threaded in each arc clip slot and arcuate groove, also
Can improving clamping sigma compactness energy.
Each top pressure bolt along preset direction rotate time, drive top belling platform to rotate and go in core pipe tube chamber
Entering, each top belling platform presses the drive surface in corresponding a set of paw assembly to promote paw by top so that in this casing pressure claw assembly
Each top plate portion is moved radially outward along core pipe, thus clamping is positioned at the electric power cable in each clamp hole.
The present embodiment has following Advantageous Effects: (1) top pressure bolt and core pipe connect threadably, and by top
Belling platform pushes the drive surface of each paw, and then promotes each paw to move along core pipe radial direction；Its operation is the most laborsaving, and
There is preferable anti-loosening effect.(2) it is to be arranged on core pipe by sliding due to crimp, first cable can be placed in each pressure
In the arc clip slot of pawl, more corresponding crimp is loaded in corresponding anticreep chute, corresponding electric power cable can be placed in
In clamp hole；This structure makes to clamp the easy to operation of electric power cable.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 6 to Fig. 7, and at least one crimp 31 sets
There is the installation screw 315 extending radially through pressing plate portion 311 wall body along core pipe；This installation screw is fixed with a temperature sensing dress
Put 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 cannelure between external diameter and the internal perisporium of storage tank away from the other end of core tube hub axis
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 metal
The internal threaded regions 817 of 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 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；
Spring is connected on heat-conducting block close to one end of core tube hub axis, and spring abuts away from the other end of core tube hub axis
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, at least one installation screw and a temperature sensing dress can be respectively provided with on each crimp
Put, for each cable and and the temperature of crimp junction monitor in real time, thus realize what power network monitoring ran
The most intelligent.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Figure 8, and the present embodiment also includes current transformer
7；This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, intelligent control module 72 does
Becoming and toroidal inductive body has the ring-type of onesize vestibule, annular perception sensing body and intelligent control module are arranged side by side
Combination forms annular, and on the overall sheathed outer wall being fixed on pressing plate portion of current transformer, namely crimp assemblies is positioned at Current Mutual Inductance
In the vestibule that device is overall.In concrete practice, current transformer also can be fixedly installed on the tube wall of core pipe, as long as making to own
Clamp hole is positioned in the vestibule of toroidal inductive body, namely has only to so that cable passes the vestibule of toroidal inductive body i.e.
Can.
The internal perisporium of intelligent control module 72 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.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units
The leakage current signal answering body to sense sends distance host to, to realize accurate long-range no worker monitor, finds in time Lou
Electric fault.
The present embodiment can use as a zero sequence current mutual inductor.
(embodiment 4)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Fig. 9 to Figure 10, and the present embodiment also includes electric current
Transformer 7；This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, annular perception sense
Answer on the sheathed periphery wall being fixed on pressing plate portion of body；Between core tube wall, crimp and toroidal inductive body, clamping is formed many
Individual containing cavity 73, intelligent control module is arranged in containing cavity.This structure can make full use of space, is conducive to the little of entirety
Type and integration.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units
The leakage current signal answering body to sense sends distance host to, to realize accurate long-range no worker monitor, finds in time Lou
Electric fault.
The present embodiment can use as a zero sequence current mutual inductor.
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 (3)
1. the clamp gold utensil for power circuit, it is characterised in that: include a core pipe, two tops pressure bolt, two casing pressures
Connected components and two casing pressure claw assemblies；The tube wall of core pipe is provided with two groups of pilot holes, and each group pilot hole includes that multiple radially-directed is sliding
Hole；Core pipe tube chamber is provided with two internal threaded regions；Each set crimp assemblies includes multiple crimp；Each crimp be provided with pressing plate portion and
Anticreep connecting portion；Crimp is arranged on core pipe by anticreep connecting portion is dismountable；Each casing pressure claw assembly includes multiple paw；
Each paw includes top plate portion, from the guide runner portion of the inwardly projecting formation of the inwall of top plate portion be arranged on guide runner portion
Drive surface；Each guide runner portion inserts on core pipe in a corresponding radially-directed slide opening, and each drive surface stretches to the tube chamber of core pipe
In, each top plate portion is between core inside pipe wall and core tube wall；The top plate portion of each paw is just to a corresponding crimp pressing plate portion
Arranging, this top plate portion and this pressing plate portion clamping form one for the clamp hole clamping electric power cable；Two top pressure bolts are positioned at
The two side ends of core pipe；Each top pressure bolt includes body, be arranged on body peripheral wall external screw thread district and being arranged on inside body
Top belling platform on end, that pushes up belling platform is shaped as circular cone shape；The external screw thread district of top pressure bolt and the internal threaded regions of core pipe are fitted
Join；In each casing pressure claw assembly, the drive surface of each paw and the periphery wall of a corresponding top belling platform are adaptive；Each top pressure bolt also wraps
Include the fastening part being arranged on outer body end；Each fastening part is hexagonal shape fastener head；Axially extending along core pipe of each top belling platform,
And be positioned in core pipe tube chamber；The drive surface of each paw is one and pushes up the adaptive curved surface of belling platform periphery wall or inclined-plane；Each paw
Top plate portion axially extending along core pipe, the guide runner portion of each paw radially extends along core pipe；The cross section of each radially-directed slide opening
Shape is I-shaped；The cross sectional shape in each guide runner portion is adaptive with radially-directed slide opening I-shaped；Pressure bolt edge, each top
When preset direction rotates, driving top belling platform to rotate and advance in core pipe tube chamber, each top belling platform is pressed by top
Drive surface in corresponding a set of paw assembly promotes each paw so that each top plate portion in this casing pressure claw assembly along core caliber to
Outer movement, thus clamping is positioned at the electric power cable in each clamp hole；At least one crimp is provided with built-in temperature sensing device
Installation screw；Temperature sensing device includes the metal shell with storage tank that metal material makes, is arranged in storage tank
Temperature sensor, for temperature sensor being crimped on the spring on storage tank diapire and being used for the screwed pipe of limit spring and block up
Head；Metal shell is provided with as puncturing the heat conduction boss used close to one end of core tube hub axis, and metal shell is away from core pipe
One end of central axis 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 is provided with internal threaded regions；Temperature sensor include use heat conductive insulating elastomeric material make heat-conducting block,
The U-shaped thermo-sensitive resistor being arranged in heat-conducting block, two be arranged on heat-conducting block connect electric mortiser post；Heat-conducting block can be at metal shell
Storage tank reciprocatingly slides；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 protrudes and is arranged on the heat-conducting block other end away from core tube hub axis；Heat-conducting block is away from the other end of core tube hub axis
Enclosing formation cannelure between external diameter and the internal perisporium of storage tank, spring is positioned in this cannelure and is set in heat-conducting block away from core
On one end of tube hub axis；Screwed pipe plug is provided with external screw thread district close to the periphery wall of one end of core tube hub axis, and this is outer
The internal threaded regions of threaded area and metal shell is adaptive；Outside screwed pipe plug is provided with away from the periphery wall of one end of core tube hub axis
Hexagonal 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 connected on heat-conducting block close to one end of core tube hub axis, and spring is connected to spiral shell away from the other end of core tube hub axis
On pipe plug；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
2. want the clamp gold utensil for power circuit described in 1 according to right, it is characterised in that: heat conduction boss is from metal shell
The sharp tooth boss formed is protruded in one end close to core tube hub axis.
Clamp gold utensil for power circuit the most according to claim 2, it is characterised in that: installation screw along core caliber to
Run through pressing plate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278995.7A CN106025584A (en) | 2016-05-02 | 2016-05-02 | Line clamping fittings used for electric power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278995.7A CN106025584A (en) | 2016-05-02 | 2016-05-02 | Line clamping fittings used for electric power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106025584A true CN106025584A (en) | 2016-10-12 |
Family
ID=57081606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610278995.7A Withdrawn CN106025584A (en) | 2016-05-02 | 2016-05-02 | Line clamping fittings used for electric power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684663A (en) * | 2018-02-15 | 2020-09-18 | 株式会社自动网络技术研究所 | Terminal with a terminal body |
-
2016
- 2016-05-02 CN CN201610278995.7A patent/CN106025584A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684663A (en) * | 2018-02-15 | 2020-09-18 | 株式会社自动网络技术研究所 | Terminal with a terminal body |
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Application publication date: 20161012 |
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