CN105655749A - Wire trapping fitting - Google Patents

Wire trapping fitting Download PDF

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Publication number
CN105655749A
CN105655749A CN201610096256.6A CN201610096256A CN105655749A CN 105655749 A CN105655749 A CN 105655749A CN 201610096256 A CN201610096256 A CN 201610096256A CN 105655749 A CN105655749 A CN 105655749A
Authority
CN
China
Prior art keywords
core pipe
press
pressure ring
paw
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Withdrawn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
CN201610096256.6A
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 CN201610096256.6A priority Critical patent/CN105655749A/en
Publication of CN105655749A publication Critical patent/CN105655749A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/03Individual 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
    • H01R11/09Individual 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/24Voltage transformers
    • H01F38/26Constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/01Individual 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408Connections 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5016Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a wire trapping fitting. The wire trapping fitting comprises a matrix, a press ring and a press claw assembly, wherein the matrix comprises a base tube part with an internal thread region, a core tube part and a connecting plate part; a plurality of guide sliding holes are formed in the wall of the core tube part; the press claw assembly comprises a plurality of press claws; each press claw is provided with a press plate part and a guide sliding column part; the guide slicing column parts are protruded from the press plate part for molding; a stress bevel is arranged at the top end of each guide sliding column part; the press plate part of each press claw is positioned in the cavity of the core tube part; each guide sliding column part penetrates through a corresponding guide sliding hole, extends out of the core tube part and is positioned in the cavity of the base tube part; the press ring comprises a conical crimping surface on the internal wall of the press ring and an external thread region arranged on the external wall of the press ring; the conical crimping surface of the press ring is crimped on the stress bevel of each press claw, and the external thread region of the press ring is adaptive to the internal thread region of the base tube part; and the press ring pushes and presses the press plate part of each press claw to move toward the center of the core tube part. The wire trapping fitting has excellent mechanical electrical performance.

Description

A kind of clamp gold utensil
Technical field
Overhead transmission line clamp gold utensil technical field of the present invention, is specifically related to a kind of clamp gold utensil.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to gold utensil, two insulated conductors are linked together. Gold utensil has simple installation, low cost, safe and reliable non-maintaining feature. Without blocking leader cable, insulating barrier without peelling off cable can do cable branch, and joint is completely insulated, can livewire work, it is possible to make on-the-spot branch in cable optional position; Do not need to use termination rack, coupling box; And joint warp resistance, shockproof, waterproof, anticorrosion are aging; Using insulation fitting to do 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, and the preferred torque nut of its nut, its structure is comparatively ripe, also obtains relatively broad application. But tradition 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, it is easy to loosens.
Summary of the invention
It is an object of the invention to provide a kind of brand new, the clamp gold utensil that fastness is reliable and stable is installed.
The technical scheme realizing the object of the invention is: a kind of clamp gold utensil, including a matrix, a pressure ring and a set of paw assembly; Matrix includes the base tube portion being provided with internal threaded regions, the core pipe portion being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion in core pipe portion; The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Paw assembly includes multiple paw; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; 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 taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive; The one end away from guiding traveller portion in pressing plate portion is as the inwall in pressing plate portion, and the inwall in pressing plate portion is provided with arcuate groove; The arcuate groove clamping in each pressing plate portion forms a clamp hole for clamping electric power cable; Pressure ring rotates and is arranged on the periphery wall in core pipe portion; The inwall of pressure ring is provided with the concentric stroking junction adjacent with the slip of core pipe portion periphery wall; The periphery wall of pressure ring and the periphery wall in base tube portion are equipped with multiple binding groove; Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
The present invention has positive effect: (1) pressure ring and base tube portion connect threadably, and makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect;(2) by cable clamping is arranged on core tube hub place so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is 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 be gold utensil shown in Fig. 1 from another angle observe time a kind of perspective view;
Fig. 3 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation;
Fig. 4 is that in gold utensil shown in Fig. 1, the one of matrix partly cuts open structural representation;
Fig. 5 is a kind of explosive view of gold utensil shown in Fig. 1;
Fig. 6 is a kind of explosive view after gold utensil shown in Fig. 1 removes pressure ring;
Fig. 7 is a kind of perspective view of the second structure of the present invention;
Fig. 8 be gold utensil shown in Fig. 7 from another angle observe time a kind of perspective view;
Fig. 9 is that shown in Fig. 7, the one of gold utensil partly cuts open structural representation;
Figure 10 is a kind of explosive view of gold utensil shown in Fig. 7;
Figure 11 is a kind of explosive view after gold utensil shown in Fig. 7 removes pressure ring;
The one that Figure 12 is 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 clamp gold utensil, sees shown in Fig. 1 to Fig. 6, including 1, pressure ring 2 of a matrix and a set of paw assembly 3.
Matrix 1 includes the base tube portion 11 being provided with internal threaded regions 111, the core pipe portion 12 being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion 13 in core pipe portion; Base tube portion and core pipe portion are arranged concentrically, and web portion is in the annular slab between base tube portion and core pipe portion, and in the present embodiment, web portion is positioned at the end margin place, the same side in base tube portion and core pipe portion; 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 in the present embodiment, core pipe portion and web portion are integral pieces, may be used without the form of split part in concrete practice.
The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes four guiding slide openings 121, and these four guiding slide openings are evenly distributed on the tube wall in core pipe portion along the circumference in core pipe portion; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion, and each shape leading slide opening is I shape. In concrete practice, the shape of guiding slide opening may be used without other shape, for instance circular, square, rhombus, is all feasible.
Paw assembly 3 includes four paws 31;
Each paw is provided with pressing plate portion 311 and guiding traveller portion 312; Guiding traveller portion protrudes from a side in pressing plate portion and is formed, and guiding traveller portion is arranged in a corresponding guiding slide opening, and the top in guiding traveller portion is provided with a stress inclined-plane 313; The one end away from guiding traveller portion in pressing plate portion is as the inwall in pressing plate portion, and the inwall in pressing plate portion is provided with arcuate groove 314. The shape in each traveller portion of leading and the shape adaptation of guiding slide opening.
The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion.
In the present embodiment, the arcuate groove clamping in four pressing plate portions forms a clamp hole 4 for clamping electric power cable.
Pressure ring 2 includes the taper electrolysis 21 setting within it on perisporium and the external screw thread district 22 being arranged on pressure ring periphery wall; The taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive.
In the present embodiment, pressure ring rotates and is arranged on the periphery wall in core pipe portion, and the inwall of pressure ring is provided with the concentric stroking junction adjacent with the slip of core pipe portion periphery wall;But in concrete practice, the internal perisporium of pressure ring can and the periphery wall in core pipe portion between reserve gap, be also feasible.
The present embodiment is equipped with multiple binding groove 5 on the periphery wall of pressure ring and the periphery wall in base tube portion, it is twisted and hook spanner can be adopted to operate, certainly may be used without other fastening means, hexagonal shape fastener head is such as set on the periphery wall in the periphery wall of pressure ring and base tube portion, is also feasible.
Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of the slide opening that leads in each group of pilot hole, can select between two to five.
The present embodiment, in order to connect electricity from insulating power cable or promote chuck strength, is also provided with multiple puncture 6 in each arcuate groove; Specifically, the radially protruding along core pipe portion is respectively punctured. The existence punctured, it is possible to without insulating power cable is carried out peeling process, can effectively connect electricity. In concrete practice, if what to clamp 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, be such as provided with multiple installation draw-in groove, then install in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet made; Puncturing sheet include installation portion and sting blade, 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 adopted to make, and especially selects and treats 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 makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect; (2) by cable clamping is arranged on center, core pipe portion so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 7 to Figure 11, and the present embodiment also includes the plug 7 being arranged 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 axially extending along core pipe portion, and the arcuate groove on a corresponding paw inwall is just arranged by each arc clip slot; Each arc clip slot and a corresponding arcuate groove clamping form 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 internal perisporium in core pipe portion is provided with four positioning runners 122, each outboard end supporting location flange is embedded in a corresponding positioning runner, thus plug is positioned in the tube chamber in core pipe portion.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 12, and the present embodiment also includes voltage transformer 8; This voltage transformer includes toroidal inductive body 81 and intelligent control module; In the present embodiment, web portion is provided with annular groove, and the toroidal inductive body of voltage transformer and intelligent control module are fixed in annular groove.In concrete practice, voltage transformer also can be fixedly installed on the tube wall in core pipe portion, as long as making clamp hole be arranged in the vestibule of toroidal inductive body, namely has only to so that the vestibule of cable traverse toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to, to realize the long-range no worker monitor of precision; This structure can make full use of space, is 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 the restriction to embodiments of the present invention. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also cannot all of embodiment be given exhaustive. And the apparent change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.

Claims (1)

1. a clamp gold utensil, it is characterised in that: include a matrix, a pressure ring and a set of paw assembly; Matrix includes the base tube portion being provided with internal threaded regions, the core pipe portion being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion in core pipe portion; The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Paw assembly includes multiple paw; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; 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 taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive; The one end away from guiding traveller portion in pressing plate portion is as the inwall in pressing plate portion, and the inwall in pressing plate portion is provided with arcuate groove; The arcuate groove clamping in each pressing plate portion forms a clamp hole for clamping electric power cable; Pressure ring rotates and is arranged on the periphery wall in core pipe portion; The inwall of pressure ring is provided with the concentric stroking junction adjacent with the slip of core pipe portion periphery wall; The periphery wall of pressure ring and the periphery wall in base tube portion are equipped with multiple binding groove; Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
CN201610096256.6A 2016-01-15 2016-01-15 Wire trapping fitting Withdrawn CN105655749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610096256.6A CN105655749A (en) 2016-01-15 2016-01-15 Wire trapping fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610096256.6A CN105655749A (en) 2016-01-15 2016-01-15 Wire trapping fitting

Publications (1)

Publication Number Publication Date
CN105655749A true CN105655749A (en) 2016-06-08

Family

ID=56489686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610096256.6A Withdrawn CN105655749A (en) 2016-01-15 2016-01-15 Wire trapping fitting

Country Status (1)

Country Link
CN (1) CN105655749A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006166549A (en) * 2004-12-06 2006-06-22 Yazaki Corp Connecting fixture for hot-line deterioration diagnostic device
CN103001016A (en) * 2012-12-27 2013-03-27 广州番禺电缆集团有限公司 Multifunctional one-way cable clamp
CN104607681A (en) * 2013-11-03 2015-05-13 西安志越机电科技有限公司 Thin-wall round pipe turning and clamping device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006166549A (en) * 2004-12-06 2006-06-22 Yazaki Corp Connecting fixture for hot-line deterioration diagnostic device
CN103001016A (en) * 2012-12-27 2013-03-27 广州番禺电缆集团有限公司 Multifunctional one-way cable clamp
CN104607681A (en) * 2013-11-03 2015-05-13 西安志越机电科技有限公司 Thin-wall round pipe turning and clamping device

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Application publication date: 20160608