CN106129937A - A kind of modified model wedge shape power line clamp - Google Patents

A kind of modified model wedge shape power line clamp Download PDF

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Publication number
CN106129937A
CN106129937A CN201610278852.6A CN201610278852A CN106129937A CN 106129937 A CN106129937 A CN 106129937A CN 201610278852 A CN201610278852 A CN 201610278852A CN 106129937 A CN106129937 A CN 106129937A
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CN
China
Prior art keywords
clamp
pressure pipe
stem
pipe portion
base tube
Prior art date
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Withdrawn
Application number
CN201610278852.6A
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Chinese (zh)
Inventor
不公告发明人
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Individual
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Individual
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Priority to CN201610278852.6A priority Critical patent/CN106129937A/en
Publication of CN106129937A publication Critical patent/CN106129937A/en
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    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a kind of modified model wedge shape power line clamp, including base tube, stem stem, bolt and cleat assembly；Base tube includes pressure pipe portion and shrouding portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing slide opening and through wires hole；The inwall in pressure pipe portion is provided with crimping boss；Stem stem periphery wall is provided with taper electrolysis；The center of stem stem is axially arranged with centre bore along pressure pipe portion；Cleat assembly includes clamp；The inwall of clamp is provided with the guiding slide unit moved for spacing stem stem along pressure pipe portion axial reciprocating；Each clamp is provided with the guide chute radially moved back and forth for spacing clamping plate along pressure pipe portion；Each crimping boss is provided with the spacing traveller adaptive with guide chute；A corresponding crimping boss is just arranged by clamp；Swivel bolt promotes each clamp moving radially along pressure pipe portion；Base tube is provided with the installation screw extending radially through pressure pipe portion wall body along base tube；This installation screw is fixed with temperature sensing device.Present configuration more compact and reasonable, it is easily installed.

Description

A kind of modified model wedge shape power line clamp
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of modified model wedge shape power line clamp.
Background technology
The bunched cable of power transmission and distribution is usually two cores or four cores, is required for during by built on stilts for bunched cable fixing on utility poles Use strain clamp.Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, utilizes two to join in pairs The voussoir closed is clamped the core of cable and is penetrated tensioning in the wedge cavities of wire clamp again, and wedge-like engagement can make cable open tighter and tighter, the most not Fragile core.But, using the voussoir of two paired cooperations to clamp wire and may produce Relative sliding, impact clamping is reliable Property.This strain clamp the most also needs parallel four-core centralized cable being twisted into square, and is arranged on the same of wire clamp In individual wedge cavities, more bothersome to turning round, generally require many people and just can complete, the most convenient.And, general strain clamp is all Employing metal manufactures, and weight is big, and cost is high, it is also possible to corrosion, and built on stilts installation operation is relatively elaborate, reduces efficiency of construction.
Summary of the invention
It is an object of the invention to provide a kind of structure more compact and reasonable and there is the modified model of real time temperature control function Wedge shape power line clamp.
The technical scheme realizing the object of the invention is: a kind of modified model wedge shape power line clamp, including base tube, stem stem, bolt And cleat assembly；Base tube includes pressure pipe portion and shrouding portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing cunning Hole and through wires hole；The inwall in pressure pipe portion is provided with crimping boss；The periphery wall of stem stem is provided with taper electrolysis；The center of stem stem Place is axially arranged with centre bore along pressure pipe portion；Cleat assembly includes clamp；The inwall of clamp is provided with for spacing stem stem along pressure The guiding slide unit that pipe portion axial reciprocating moves；Each clamp is provided with for leading that spacing clamping plate radially move back and forth along pressure pipe portion To chute；Each crimping boss is provided with the spacing traveller adaptive with guide chute；A corresponding crimping boss is just set by clamp Putting, each clamp and a corresponding crimping boss clamping form a clamp hole；Each through wires hole in shrouding portion and corresponding one Clamp hole connects；Bolt include the body of rod, the fastening part being arranged on body of rod one end, the male threaded joint being arranged on the body of rod and The nut adaptive with male threaded joint；The fastening position of bolt is in stem stem away from the side in shrouding portion, and the body of rod of bolt is successively Through centre bore and the spacing slide opening in shrouding portion of stem stem, nut twists the solid male threaded joint stretching out spacing slide opening at bolt On；Spacing slide opening is arranged on the center in shrouding portion, and through wires hole is uniformly arranged on the outer circumferential side of spacing hole；Guide slide unit along pressure pipe Portion axially arranged；Spacing traveller is radially arranged along pressure pipe portion, and clamp moves radially along pressure pipe portion；Each slide unit that guides has Having the conical outer wall adaptive with stem stem jacking sliding groove, this conical outer wall substantially also serves as the inwall of clamp；When each clamp Guiding slide unit when being positioned in stem stem jacking sliding groove, the outer wall of this clamp is parallel with the inwall of crimping boss；Swivel bolt draws Dynamic stem stem moves towards the direction close to shrouding portion；Stem stem pushes the guiding slide unit of each clamp by taper electrolysis, and then Promote each clamp to make its being moved radially outward along pressure pipe portion, thus clamping is positioned at the electric power cable in clamp hole；Base tube sets There is the installation screw extending radially through pressure pipe portion wall body along base tube；This installation screw is fixed with temperature sensing device；Temperature passes Induction device include having the metal shell of storage tank, the temperature sensor being arranged in storage tank, for by temperature sensor pressure It is connected on the spring on storage tank diapire and the screwed pipe plug for limit spring；Temperature sensor includes using heat conductive insulating rubber The heat-conducting block that material is made, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect electric mortiser post；Heat-conducting block Can reciprocatingly slide in the storage tank of metal shell；Heat-conducting block is away from the external diameter of the other end of base tube central 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 base tube central axis On end；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 connects One end of nearly base tube central axis is connected on heat-conducting block, and spring is connected to screwed pipe plug away from the other end of base tube central axis On；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
The present invention has a positive effect: (1) structure more compact and reasonable；Stem stem and bolt connect threadably, and Crimping each clamp by the taper electrolysis of jacking sliding groove makes it clamp electric power cable, and its operation is the most laborsaving；(2) at anticreep Under the engagement locking of chisel teeth and anticreep tooth, also there is preferable anti-loosening effect.(3) radially pass through along base tube owing to base tube is provided with Wear the installation screw of pressure pipe portion wall body, installation screw is fixed with temperature sensing device；So the present invention also has real-time temperature Degree 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 perspective view when another angle is observed of the wedge shape power line clamp shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of wedge shape power line clamp faces structural representation；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is a kind of perspective view of base tube in wedge shape power line clamp shown in Fig. 1；
Fig. 6 is that shown in Fig. 5, the one of base tube partly cuts open structural representation；
Fig. 7 is a kind of explosive view of wedge shape power line clamp shown in Fig. 1；
Fig. 8 is a kind of explosive view when another angle is observed of the wedge shape power line clamp shown in Fig. 1；
Fig. 9 is that the one of the second structure of the present invention partly cuts open structural representation；
Figure 10 is the close-up schematic view in Fig. 9 at B；
Figure 11 is that the one of the third structure of the present invention partly cuts open structural representation；
Figure 12 is a kind of structural representation of the zero sequence current mutual inductor using wedge shape power line clamp shown in Fig. 9 to make；
Figure 13 is a kind of structural representation of the zero sequence current mutual inductor using wedge shape power line clamp shown in Figure 11 to make.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of wedge shape power line clamp, as shown in Fig. 1 to Fig. 8, including base tube 1, stem stem 2, bolt 3 and cleat assembly 4；Base tube 1 includes pressure pipe portion 11 and is positioned at the shrouding portion 12 of one end, pressure pipe portion；The shape in pressure pipe portion is circular, the inwall in pressure pipe portion Being provided with crimping boss 13, the inwall of crimping boss is provided with arcuate groove 14.Base tube is made into integration, and crimping boss is from pressure pipe portion Projecting radially inwards formation on inwall, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion.
In the present embodiment, pressure pipe portion is provided with four crimping boss, and these four crimping boss are uniform along the circumference in pressure pipe portion It is distributed on the inwall in pressure pipe portion.
The two side of each crimping boss is provided with two spacing travellers 15 protruded towards center, pressure pipe portion, spacing traveller edge Pressure pipe portion is radially arranged.
Shrouding portion 12 is provided with through wires hole 16 and spacing slide opening 17；In the present embodiment, shrouding portion is provided with a spacing slide opening With four through wires holes；Spacing slide opening is arranged on the center in shrouding portion, and through wires hole is uniformly arranged on the outer circumferential side of spacing hole.
Stem stem be shaped as frustum, the periphery wall of stem stem is axially arranged with along pressure pipe portion four jacking sliding grooves 21, respectively pushes up Pressure chute is additionally provided with multiple anticreep chisel teeth 22；The center of stem stem is axially arranged with centre bore 23 along pressure pipe portion.Each jacking sliding The diapire of groove is as taper electrolysis 211.
Cleat assembly includes four clamps 41；The inwall of each clamp is provided with the guiding slide unit adaptive with jacking sliding groove 411, guide axially arranged along pressure pipe portion of slide unit；The outer wall of each clamp is provided with arc clip slot 412, the both sides of each clamp Guide chute 413 it is additionally provided with on wall；The spacing traveller of each crimping boss is positioned in a corresponding guide chute so that clamp edge Spacing traveller direction is moved；In the present embodiment, each spacing traveller being radially arranged along pressure pipe portion, therefore clamp is only along pressure pipe The radial direction in portion moves back and forth.
In the present embodiment, the two side of each clamp is axially respectively arranged at the two ends with a positive stop lug boss 417, these two limits Position boss clamping forms described guide chute 413.
In the present embodiment, each slide unit that guides has the taper stress surface adaptive with stem stem jacking sliding groove bottom wall, and this taper is subject to Power face substantially also serves as the inwall 414 of clamp；When the guiding slide unit of each clamp is positioned in stem stem jacking sliding groove, clamp The outer wall 415 of plate is parallel with the inwall 131 of a corresponding crimping boss；A corresponding crimping boss is just arranged by each clamp, Each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 5, and the present embodiment forms four clamp holes altogether；Shrouding portion On each through wires hole the most corresponding clamp hole is arranged.
Stem stem is under the spacing mating reaction guiding slide unit of its jacking sliding groove and clamp, it is impossible in the transfer of pressure pipe portion Dynamic, only along moving axially of pressure pipe portion.
The inwall 414 of each conical outer wall guiding slide unit namely clamp is provided with multiple anticreep tooth 416, and each anticreep tooth is used Engage in the anticreep chisel teeth with stem stem, anti-skidding anti-retrogression.
Bolt includes the body of rod 31, the fastening part 32 being arranged on body of rod one end, the external screw thread that is arranged on body of rod periphery wall even Connect portion 33 and and the nut 34 of male threaded joint adaptation；The fastening position of bolt in stem stem away from the side in shrouding portion, spiral shell The body of rod of bolt sequentially passes through the centre bore of stem stem and the spacing slide opening in shrouding portion, until male threaded joint stretches out shrouding portion, spiral shell Cap is twisted solid on the male threaded joint of bolt stretching out shrouding portion.
The external diameter of bolt fastening part is more than the aperture of stem stem centre bore, and the external diameter of nut is more than the hole of the spacing slide opening in shrouding portion Footpath.
Swivel bolt pulls stem stem to move towards the direction close to shrouding portion；Stem stem is crimped by the taper in jacking sliding groove Face pushes the guiding slide unit of each clamp, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamps It is positioned at the electric power cable in clamp hole.
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 base tube.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.
The present embodiment has following Advantageous Effects: (1) operation is the most laborsaving, has preferable anti-loosening effect.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 9 and Figure 10, the present embodiment and above-mentioned enforcement Example 1 is essentially identical, and difference is: as shown in Fig. 9 and Figure 10, and base tube 1 is provided with and extends radially through pressure pipe portion 11 wall body along base tube Installation screw 18；This installation screw is fixed with temperature sensing device 8；
Temperature sensing device includes the metal shell 81 with storage tank 811 that metal material makes, is arranged in storage tank Temperature sensor 82, block up for spring 83, the screwed pipe that is used for limit spring that temperature sensor is crimped on storage tank diapire 84；
Metal shell is provided with as puncturing the heat conduction boss 813 used close to one end 812 of base tube central axis, and metal shell is remote It is provided with interior hexagonal from one end 814 of base tube central axis and twists groove 815；The periphery wall of metal shell is provided with fits with installation screw The external screw thread 816 joined, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss is close to base tube from metal shell The sharp tooth boss formed is protruded in one end 812 of mandrel line；
Temperature sensor includes that the heat-conducting block 821 using heat conductive insulating elastomeric material to make, the U-shaped that is arranged in heat-conducting block are temperature sensitive Resistance 822, two be arranged on heat-conducting block connect electric mortiser post 823；Heat-conducting block can reciprocatingly slide in the storage tank of metal shell； Heat-conducting block is connected on the diapire of storage tank close to one end of base tube central axis；Two connect electric mortiser post protrusion and are arranged on heat-conducting block On the other end away from base tube central axis；
Heat-conducting block is away from enclosing formation cannelure between external diameter and the internal perisporium of storage tank of the other end of base tube central axis 100, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；
Screwed pipe plug is provided with external screw thread district 841 close to the periphery wall of one end of base tube central 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 base tube central 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 base tube central axis, and spring abuts away from the other end of base tube central 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, base tube pressure pipe 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 multiple temperature sensing device can be set on base tube, for often One cable and the temperature with junction, base tube pressure pipe portion monitor in real time, thus realize the further intelligence that power network monitoring runs Energyization.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Figure 11, and bolt no longer includes nut 34, this reality Execute example in the spacing slide opening in shrouding portion, be provided for the internal threaded regions 171 adaptive with bolt male threaded joint；The bar of bolt Body is spirally connected through the centre bore of stem stem, the male threaded joint of bolt and this internal threaded regions.
The present embodiment saves a nut, and structure more simplifies.
(application examples 1)
The present embodiment is a kind of high pressure zero sequence current mutual inductor using above-described embodiment 2 to make；As shown in Figure 12, the present embodiment On the basis of above-described embodiment 2, it is also provided with a current transformer 7.
This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, Based Intelligent Control mould Block 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are also Row arranges combination and forms annular, on the overall sheathed outer wall being fixed on base tube of current transformer.In concrete practice, as long as making All clamp holes are positioned in the vestibule of toroidal inductive body, namely have only to so that cable passes the hole of toroidal inductive body Chamber.
The present embodiment has four clamp holes, but in concrete practice, can only clamp one or three electric power cables；When During one electric power cable of clamping, toroidal inductive body may be used for faradic current or voltage signal, now can be general as one Logical curtage transformer uses；When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence electricity Stream signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor；The present embodiment is to select clamping Article three, electric power cable, namely use as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units The current signal answering body to sense sends distance host to, to realize accurate long-range no worker monitor.
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.
(application examples 2)
The present embodiment is a kind of high pressure zero sequence current mutual inductor using above-described embodiment 3 to make；As shown in Figure 13, the present embodiment On the basis of above-described embodiment 3, it is also provided with a current transformer 7.
This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, Based Intelligent Control mould Block 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are also Row arranges combination and forms annular, on the overall sheathed outer wall being fixed on base tube of current transformer.In concrete practice, as long as making All clamp holes are positioned in the vestibule of toroidal inductive body, namely have only to so that cable passes the hole of toroidal inductive body Chamber.
The present embodiment has four clamp holes, but in concrete practice, can only clamp one or three electric power cables；When During one electric power cable of clamping, toroidal inductive body may be used for faradic current or voltage signal, now can be general as one Logical curtage transformer uses；When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence electricity Stream signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor；The present embodiment is to select clamping Article three, electric power cable, namely use as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units The current signal answering body to sense sends distance host to, to realize accurate long-range no worker monitor.
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.
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. a modified model wedge shape power line clamp, it is characterised in that: include base tube, stem stem, bolt and cleat assembly；Base tube includes Pressure pipe portion and shrouding portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing slide opening and through wires hole；Pressure pipe portion Inwall is provided with crimping boss；The periphery wall of stem stem is provided with taper electrolysis；The center of stem stem is axially arranged with along pressure pipe portion Centre bore；Cleat assembly includes clamp；The inwall of clamp is provided with and moves along pressure pipe portion axial reciprocating for spacing stem stem Guide slide unit；Each clamp is provided with the guide chute radially moved back and forth for spacing clamping plate along pressure pipe portion；Respectively crimp boss It is provided with the spacing traveller adaptive with guide chute；A corresponding crimping boss is just arranged by clamp, and each clamp is with corresponding One crimping boss clamping forms a clamp hole；Each through wires hole in shrouding portion connects with a corresponding clamp hole；Bolt bag Include the body of rod, be arranged on the fastening part of body of rod one end, the male threaded joint being arranged on the body of rod and and male threaded joint fit The nut joined；The fastening position of bolt is in stem stem away from the side in shrouding portion, and the body of rod of bolt sequentially passes through the centre bore of stem stem With the spacing slide opening in shrouding portion, nut is twisted solid on the male threaded joint that bolt stretches out spacing slide opening；Spacing slide opening is arranged on The center in shrouding portion, through wires hole is uniformly arranged on the outer circumferential side of spacing hole；Guide axially arranged along pressure pipe portion of slide unit；Spacing Traveller is radially arranged along pressure pipe portion, and clamp moves radially along pressure pipe portion；Each slide unit that guides has and stem stem jacking sliding groove Adaptive conical outer wall, this conical outer wall substantially also serves as the inwall of clamp；When the guiding slide unit of each clamp is positioned at core Time in capital pressure chute, the outer wall of this clamp is parallel with the inwall of crimping boss；Swivel bolt pulls stem stem towards close to envelope The direction in plate portion is moved；Stem stem pushes the guiding slide unit of each clamp by taper electrolysis, and then promotes each clamp to make it Along being moved radially outward of pressure pipe portion, thus clamping is positioned at the electric power cable in clamp hole；Base tube is provided with and extends radially through along base tube The installation screw of pressure pipe portion wall body；This installation screw is fixed with temperature sensing device；Temperature sensing device includes having appearance Put the metal shell of groove, the temperature sensor being arranged in storage tank, for temperature sensor being crimped on storage tank diapire Spring and for the screwed pipe plug of limit spring；Temperature sensor includes the heat conduction using heat conductive insulating elastomeric material to make Block, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect electric mortiser post；Heat-conducting block can be at metal shell Storage tank reciprocatingly slides；Heat-conducting block encloses away between external diameter and the internal perisporium of storage tank of the other end of base tube central axis Forming cannelure, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；Screwed pipe plug Center be provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close to base tube central shaft One end of line is connected on heat-conducting block, and spring is connected on screwed pipe plug away from the other end of base tube central axis；On heat-conducting block Two connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
CN201610278852.6A 2016-05-02 2016-05-02 A kind of modified model wedge shape power line clamp Withdrawn CN106129937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610278852.6A CN106129937A (en) 2016-05-02 2016-05-02 A kind of modified model wedge shape power line clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610278852.6A CN106129937A (en) 2016-05-02 2016-05-02 A kind of modified model wedge shape power line clamp

Publications (1)

Publication Number Publication Date
CN106129937A true CN106129937A (en) 2016-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610278852.6A Withdrawn CN106129937A (en) 2016-05-02 2016-05-02 A kind of modified model wedge shape power line clamp

Country Status (1)

Country Link
CN (1) CN106129937A (en)

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