CN105846138A - Overhead line electric power fitting - Google Patents

Overhead line electric power fitting Download PDF

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Publication number
CN105846138A
CN105846138A CN201610096930.0A CN201610096930A CN105846138A CN 105846138 A CN105846138 A CN 105846138A CN 201610096930 A CN201610096930 A CN 201610096930A CN 105846138 A CN105846138 A CN 105846138A
Authority
CN
China
Prior art keywords
pressure
plate portion
paw
pressure ring
pressing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610096930.0A
Other languages
Chinese (zh)
Inventor
胡小青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610096930.0A priority Critical patent/CN105846138A/en
Publication of CN105846138A publication Critical patent/CN105846138A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/01—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

Landscapes

  • Clamps And Clips (AREA)

Abstract

The invention discloses an overhead line electric power fitting, which includes a base, pressure rings and pressure jaw assemblies. The base comprises a base tube portion, a core tube portion and a connecting plate portion. Internal thread regions are disposed on inner walls of two side ends of the base tube portion. Guide slide holes are disposed in the wall of the core tube portion. Each pressure jaw assembly comprises a plurality of pressure jaws. Each pressure jaw is provided a pressure plate portion and a guide sliding column portion. Each guide sliding column portion is formed by projecting from the corresponding pressure plate portion and is provided with a force receiving slope at the top end thereof. The pressure plate portions are located in the cavity of the core tube portion. The two pressure rings are disposed at two sides of the connecting plate portion respectively. Each pressure ring is adaptive to the corresponding pressure jaw assembly. Each pressure ring includes a tapered crimping surface and an external thread region. The tapered crimping surface is crimped onto the corresponding force receiving slope. When each pressure ring rotates in a preset direction, the pressure plate portion in the corresponding pressure jaw assembly is pushed to move toward the center of the core tube portion. The overhead line electric power fitting is easy to install, and has excellent electrical performance.

Description

A kind of stringing electric armour clamp
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of stringing electric armour clamp.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need two with stringing electric armour clamp Insulated conductor links together.Stringing electric armour clamp has simple installation, low cost, safe and reliable non-maintaining feature. Without blocking leader cable, can do cable branch without peelling off the insulating barrier of cable, joint is completely insulated, can 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, anti- Water, anticorrosion are aging；Using insulation stringing electric armour clamp to do cable branch, comprehensive benefit is obvious, and cost performance is better than in the past Conventional coupling arrangement.
Traditional stringing electric armour clamp is mainly by strengthening housing, piercing blade, waterproof silicone grease, high-strength bolt and nut group Becoming, the preferred torque nut of its nut, its structure is the most ripe, also obtains relatively broad application.But tradition stringing electricity Power gold utensil there is also weak point, and the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily pine Dynamic.
Summary of the invention
It is an object of the invention to provide a kind of brand new, the stringing electric armour clamp that fastness is reliable and stable is installed.
The technical scheme realizing the object of the invention is: a kind of stringing electric armour clamp, it is characterised in that: include a matrix, Two pressure rings and two casing pressure claw assemblies；Matrix includes base tube portion, core pipe portion and web portion；Base tube portion two side ends interior Internal threaded regions it is equipped with on wall；The tube wall in core pipe portion is provided with two groups of pilot holes；Each group pilot hole includes multiple guiding slide opening； Each casing pressure claw assembly includes multiple paw；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；Each paw is provided with pressing plate portion With guiding traveller portion；Guiding traveller portion and protrude above formation from pressing plate portion, the top guiding traveller portion is provided with a stress inclined-plane； The pressing plate portion of each paw is positioned in the tube chamber in core pipe portion, guides traveller portion and extend out to core pipe portion through a corresponding guiding slide opening Outside, and be positioned in the tube chamber in base tube portion；Pressing plate portion clamping in each casing pressure claw assembly forms one and is used for clamping electric power The clamp hole of cable；The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Each pressure Ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall；The cone of each pressure ring Shape electrolysis is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and the interior spiral shell in base tube portion Stricture of vagina district is adaptive；The inwall in each pressing plate portion is provided with arcuate groove；In each arcuate groove, it is provided with multiple installation draw-in groove, draw-in groove is respectively installed In be embedded with a piercing blade；Puncturing sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, stings sword Portion then exposes installation draw-in groove and forms puncture；Pressure ring along preset direction rotate time, by taper electrolysis push the most a set of The stress inclined-plane of paw in paw assembly so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, from And clamp and be positioned at the electric power cable in clamp hole.
The present invention has positive effect: (1) pressure ring and base tube portion connect threadably, and by taper electrolysis pressure Connecing each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(2) handle is passed through Cable clamping is arranged at core tube hub so that overall gravity centre distribution is relatively reasonable, when for high-altitude overhead power line Time upper, be conducive to alleviating vibration.
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 stringing electric armour clamp partly cuts open structural representation；
Fig. 3 is that in stringing electric armour clamp shown in Fig. 1, the one of matrix partly cuts open structural representation；
Fig. 4 is a kind of explosive view of stringing electric armour clamp shown in Fig. 1；
Fig. 5 is a kind of explosive view after stringing electric armour clamp removes pressure ring shown in Fig. 1；
Fig. 6 is a kind of perspective view of the second structure of the present invention；
Fig. 7 is that shown in Fig. 6, the one of stringing electric armour clamp partly cuts open structural representation；
Fig. 8 is a kind of explosive view of stringing electric armour clamp shown in Fig. 6；
Fig. 9 is a kind of explosive view after stringing electric armour clamp removes pressure ring shown in Fig. 6；
Figure 10 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 stringing electric armour clamp, as shown in Fig. 1 to Fig. 6, including 1, two pressure rings 2 of a matrix With two casing pressure claw assemblies 3.
Matrix 1 includes base tube portion 11, be arranged in base tube tube chamber core pipe portion 12 and for connect fixing base tube portion and The web portion 13 in core pipe portion；It is equipped with internal threaded regions 111 on the inwall of the axial two side ends in base tube portion 11；Base tube portion and Core pipe portion is arranged concentrically, and web portion is in the annular slab between base tube portion and core pipe portion, in the present embodiment, connecting plate Portion is positioned at the axial middle-end in base tube portion and core pipe portion, the both sides of two internal threaded regions separation web portion；In concrete practice, The planform of web portion has only to meet and is fixedly connected with in base tube portion and core pipe portion.
Base tube portion, core pipe portion and web portion in the present embodiment are integral pieces, may be used without split in concrete practice The form of part.
The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at the both sides of web portion；Respectively organize pilot hole Guiding slide openings 121 including four, these four guide slide opening and are evenly distributed on the tube wall in core pipe portion along the circumference in core pipe portion； Each slide opening that guides extends radially through the tube wall in core pipe portion along core pipe portion, and each shape guiding slide opening is I shape.At concrete practice In, the shape guiding slide opening may be used without other shape, the most circular, square, rhombus, is all feasible.
Each casing pressure claw assembly 3 includes four paws 31；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；Each paw sets There is pressing plate portion 311 and guide traveller portion 312；Guide traveller portion and protrude formation from a side in pressing plate portion, guide traveller portion Being positioned at corresponding one and guide in slide opening, the top guiding traveller portion is provided with a stress inclined-plane 313；Pressing plate portion away from leading To the one end in traveller portion as the inwall in pressing plate portion, the inwall in pressing plate portion is provided with arcuate groove 314.Each guiding traveller portion Shape and the shape adaptation of guiding slide opening, respectively guide radial direction side along core pipe portion under the position-limiting action guiding slide opening of traveller portion To reciprocatingly sliding.
The pressing plate portion of each paw is positioned in the tube chamber in core pipe portion, guides traveller portion and extend out to core through a corresponding guiding slide opening The outside in pipe portion, and be positioned in the tube chamber in base tube portion.
In the present embodiment, in each casing pressure claw assembly, the arcuate groove clamping formation one in four pressing plate portions is used for clamping electric power cable Clamp hole 4.
The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Each pressure ring 2 includes setting Put the taper electrolysis 21 within it perisporium and the external screw thread district 22 being arranged on pressure ring periphery wall；The taper of each pressure ring Electrolysis is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and the female thread in base tube portion District is adaptive.
In the present embodiment, each pressure ring rotates and is arranged on the periphery wall in core pipe portion, outside the inwall of pressure ring is provided with core pipe portion The concentric stroking junction that perisporium slip is adjacent；But in concrete practice, the internal perisporium of pressure ring can with the periphery wall in core pipe portion it Between reserve gap, be also feasible.
Being equipped with multiple binding groove 5 on the periphery wall of pressure ring and the periphery wall in base tube portion in the present embodiment, it twists permissible Employing hook spanner operates, and certainly may be used without other fastening means, such as in the periphery wall of pressure ring and base tube portion Hexagonal shape fastener head is set on periphery wall, is also feasible.
Each pressure ring along preset direction rotate time, push the stress of paw in corresponding a set of paw assembly by taper electrolysis Inclined-plane so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is positioned in clamp hole Electric power cable.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity guiding slide opening in each group of pilot hole, can two to Select between five.
The present embodiment, in order to connect electricity on insulating power cable or promote chuck strength, is also provided with multiple wearing in each arcuate groove Thorn 6；Specifically, each puncture is along the radially protruding in core pipe portion.The existence punctured, can be without to insulating power cable Carry 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 arcuate groove, such as it is provided with multiple installation draw-in groove, then Install in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncture sheet and include installation portion and thorn blade, peace Dress 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 that puncture sheet can To use the material different with paw to make, especially select and treat that same material used by clamp cable is made, being conducive to obtaining Preferably electric property.
The present embodiment has following Advantageous Effects: (1) pressure ring and base tube portion connect threadably, and pass through taper Electrolysis crimps each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(2) By cable clamping is arranged on center, core pipe portion so that overall gravity centre distribution is relatively reasonable, when built on stilts for high-altitude Time on power circuit, be conducive to alleviating vibration.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 6 to Fig. 9, and the present embodiment also wraps Include the plug 7 being positioned in core pipe portion tube chamber；The periphery wall of plug is provided with four arc clip slots 71, and each arc clip slot is along core Pipe portion is axially extending, and the arcuate groove on a corresponding paw inwall is just arranged by each arc clip slot；Each arc clip slot is with corresponding One arcuate groove clamping forms a clamp hole 4；So the present embodiment can form four clamp holes, can be used for simultaneously clamping on Four cables.
The periphery wall of plug is provided with four the support location flanges 72 protruded along core pipe portion radial direction, the inner circumferential in core pipe portion Wall is provided with four positioning runners 122, and each outboard end supporting location flange is embedded in a corresponding positioning runner, from And plug is positioned in the tube chamber in core pipe portion.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Figure 10, and the present embodiment also includes electricity Pressure transformer 8；This voltage transformer includes toroidal inductive body 81 and intelligent control module；In the present embodiment, core pipe portion Internal perisporium be provided with annular groove, the opening of this annular groove is positioned on the internal perisporium of the axial middle-end in core pipe portion, this groove Along extending radially in web portion of core pipe portion；The toroidal inductive body of voltage transformer and intelligent control module are fixed on In annular groove.In concrete practice, voltage transformer also can be fixedly installed on other position, as long as making clamp hole It is positioned in the vestibule of toroidal inductive body, namely has only to so that cable passes the vestibule of toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, and intelligent control module passes through wireless transmit/receive units annular matrix The secondary voltage or the current signal that sense send distance host to, to realize accurate long-range no worker monitor；This structure Space can be made full use of, be conducive to the small-sized and integrated of entirety.
The present embodiment can use as a high-voltage mutual inductor.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not to this The restriction of the embodiment of 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 this
Belong to obvious change that the connotation of the present invention extended out a bit or variation still falls within protection scope of the present invention.

Claims (1)

1. a stringing electric armour clamp, it is characterised in that: include a matrix, two pressure rings and two casing pressure claw assemblies； Matrix includes base tube portion, core pipe portion and web portion；It is equipped with internal threaded regions on the inwall of base tube portion two side ends；Core pipe The tube wall in portion is provided with two groups of pilot holes；Each group pilot hole includes multiple guiding slide opening；Each casing pressure claw assembly includes multiple pressure Pawl；Each casing pressure claw assembly and corresponding set of pilot hole are adaptive；Each paw is provided with pressing plate portion and guides traveller portion；Guide traveller Portion protrudes above formation from pressing plate portion, and the top guiding traveller portion is provided with a stress inclined-plane；The pressing plate portion of each paw is positioned at core In the tube chamber in pipe portion, guide traveller portion and extend out to the outside in core pipe portion through a corresponding guiding slide opening, and be positioned at base tube portion Tube chamber in；Pressing plate portion clamping in each casing pressure claw assembly forms one for the clamp hole clamping electric power cable；Two pressures The both sides of ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive；Each pressure ring includes the perisporium that sets within it On taper electrolysis and the external screw thread district that is arranged on pressure ring periphery wall；The taper electrolysis of each pressure ring is crimped on each casing pressure In claw assembly on the stress inclined-plane of paw, the external screw thread district of each pressure ring and the internal threaded regions in base tube portion are adaptive；Each pressing plate portion Inwall is provided with arcuate groove；Being provided with multiple installation draw-in groove in each arcuate groove, each installation in draw-in groove is embedded with a piercing blade； Puncturing sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove formation and wears Thorn；Pressure ring along preset direction rotate time, push the stress of paw in corresponding a set of paw assembly by taper electrolysis oblique Face so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is positioned at the electricity in clamp hole Line of force cable.
CN201610096930.0A 2016-01-15 2016-01-15 Overhead line electric power fitting Withdrawn CN105846138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610096930.0A CN105846138A (en) 2016-01-15 2016-01-15 Overhead line electric power fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610096930.0A CN105846138A (en) 2016-01-15 2016-01-15 Overhead line electric power fitting

Publications (1)

Publication Number Publication Date
CN105846138A true CN105846138A (en) 2016-08-10

Family

ID=56588169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610096930.0A Withdrawn CN105846138A (en) 2016-01-15 2016-01-15 Overhead line electric power fitting

Country Status (1)

Country Link
CN (1) CN105846138A (en)

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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WW01 Invention patent application withdrawn after publication

Application publication date: 20160810