CN105680194A - Improved wedge-shaped power cable clamp - Google Patents

Improved wedge-shaped power cable clamp Download PDF

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Publication number
CN105680194A
CN105680194A CN201610094632.8A CN201610094632A CN105680194A CN 105680194 A CN105680194 A CN 105680194A CN 201610094632 A CN201610094632 A CN 201610094632A CN 105680194 A CN105680194 A CN 105680194A
Authority
CN
China
Prior art keywords
clamp
stem
pressure pipe
pipe portion
spacing
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Withdrawn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
CN201610094632.8A
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Chinese (zh)
Inventor
胡小青
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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 CN201610094632.8A priority Critical patent/CN105680194A/en
Publication of CN105680194A publication Critical patent/CN105680194A/en
Withdrawn legal-status Critical Current

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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
    • H01R11/07Individual 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 of the same type but different sizes
    • 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
    • H01R4/38Clamped connections, spring connections utilising a clamping member acted on by screw or nut

Abstract

The invention discloses an improved wedge-shaped power cable clamp. The improved wedge-shaped power cable clamp comprises a base tube, a core column, a bolt and a clamping plate assembly, wherein the base tube comprises a tube pressing part and a plate sealing part that are fixedly arranged oppositely; a limiting sliding hole and cable holes are formed in the plate sealing part; crimping lug bosses are arranged on the inner wall of the tube pressing part; a tapered crimping surface is arranged on the peripheral wall of the core column; a central hole is formed in the center of the core column along the axial direction of the tube pressing part; the clamping plate assembly comprises cable clamping plates; a guiding sliding table for limiting the reciprocating motion of the core column along the axial direction of the tube pressing part is arranged on the inner wall of each cable clamping plate; a guiding sliding groove for limiting the reciprocating motion of each clamping plate along the radial direction of the tube pressing part is formed in each cable clamping plate; a limiting sliding column matched with the corresponding guiding sliding groove is arranged on each crimping lug boss; and the cable clamping plates are arranged in a manner of directly facing to corresponding crimping lug bosses; and the bolt is rotated to push each cable clamping plate to move along the radial direction of the tube pressing part. The improved wedge-shaped power cable clamp is relatively compact in structure and easy to mount.

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 using strain clamp during by built on stilts for bunched cable fixing on utility poles. Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, utilizes the core that the voussoir of two paired cooperations clamps cable to penetrate tensioning in the wedge cavities of wire clamp again, and wedge-like engagement can make cable open tighter and tighter, is not easy to damage core. But, use the voussoir of two paired cooperations to clamp wire and may produce Relative sliding, impact clamping reliability. This strain clamp also needs parallel four-core centralized cable when mounted to being twisted into square, and is arranged in the same wedge cavities of wire clamp, more bothersome to turning round, and generally requires many people and just can complete, convenient not. And, general strain clamp is all adopt metal manufacture, 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 comparatively compact and reasonable, easy-to-install modified model 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 slide opening 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 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, and each clamp and a corresponding crimping boss clamping form a clamp hole; Each through wires hole in shrouding portion connects with a corresponding clamp hole;Bolt includes the body of rod, be arranged on the fastening part of body of rod one end, the male threaded joint that is arranged on the body of rod and and the adaptive nut of male threaded joint; The fastening position of bolt is in the stem stem side away from shrouding portion, and the body of rod of bolt sequentially passes through the centre bore of stem stem and the spacing slide opening in shrouding portion, and 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, and through wires hole is uniformly arranged on the outer circumferential side of spacing hole; Guiding 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 guiding slide unit has the conical outer wall adaptive with stem stem jacking sliding groove, and this conical outer wall substantially also serves as the inwall of clamp; When the guiding slide unit of each clamp is arranged in stem stem jacking sliding groove, the outer wall of this clamp is parallel with the inwall of crimping boss; Swivel bolt pulls stem stem to move towards the direction close to shrouding portion; Stem stem pushes the guiding slide unit of each clamp by taper electrolysis, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
The present invention has positive effect: (1) structure comparatively compact and reasonable; Stem stem and bolt connect threadably, and make it clamp electric power cable by the taper electrolysis each clamp of crimping of jacking sliding groove, and its operation is comparatively laborsaving; (2) under the engagement of anticreep chisel teeth and anticreep tooth locks, also there is good anti-loosening effect.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 be wedge shape power line clamp 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 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 be wedge shape power line clamp shown in Fig. 1 from another angle observe time a kind of explosive view;
The one that Fig. 9 is the second structure of the present invention partly cuts open structural representation;
The one that Figure 10 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 modified model wedge shape power line clamp, sees 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, and the inwall in pressure pipe portion is provided with crimping boss 13, and the inwall of crimping boss is provided with arcuate groove 14. Base tube is made into integration, and crimping boss projects radially inwards formation from the inwall in pressure pipe portion, and 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 evenly distributed on the inwall in pressure pipe portion along the circumference in pressure pipe portion.
Each two side crimping boss is provided with two spacing travellers 15 protruded towards center, pressure pipe portion, and spacing traveller is radially arranged along pressure pipe portion.
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 and 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, each jacking sliding groove 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. The diapire of each jacking sliding groove is as taper electrolysis 211.
Cleat assembly includes four clamps 41; The guiding slide unit 411 that the inwall of each clamp is provided with and jacking sliding groove is adaptive, axially arranged along pressure pipe portion of guiding slide unit; The outer wall of each clamp is provided with arc clip slot 412, and the two side of each clamp is additionally provided with guide chute 413; Each spacing traveller crimping boss is arranged in a corresponding guide chute so that clamp moves along spacing traveller direction; In the present embodiment, each spacing traveller being radially arranged along pressure pipe portion, therefore clamp moves back and forth only along the radial direction in pressure pipe portion.
In the present embodiment, the two side of each clamp being axially respectively arranged at the two ends with a positive stop lug boss 417, these two positive stop lug boss clampings form described guide chute 413.
In the present embodiment, each guiding slide unit has the taper stress surface adaptive with stem stem jacking sliding groove bottom wall, and this taper stress surface substantially also serves as the inwall 414 of clamp; When the guiding slide unit of each clamp is arranged in stem stem jacking sliding groove, the outer wall 415 of clamp is parallel with the inwall 131 of a corresponding crimping boss; A corresponding crimping boss is just arranged by each clamp, and each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 5, and the present embodiment forms four clamp holes altogether; A corresponding clamp hole is also just arranged by each through wires hole in shrouding portion.
Stem stem is under the spacing mating reaction of the guiding slide unit of its jacking sliding groove and clamp, it is impossible to rotate in pressure pipe portion, only along moving axially of pressure pipe portion.
Each conical outer wall of guiding slide unit namely the inwall 414 of clamp are provided with multiple anticreep tooth 416, and each anticreep tooth engages for the anticreep chisel teeth with stem stem, anti-skidding anti-retrogression.
Bolt includes the body of rod 31, be arranged on the fastening part 32 of body of rod one end, the male threaded joint 33 that is arranged on body of rod periphery wall and and the adaptive nut 34 of male threaded joint; The fastening position of bolt is in the stem stem side away from shrouding portion, and 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, nut 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 aperture of the spacing slide opening in shrouding portion.
Swivel bolt pulls stem stem to move towards the direction close to shrouding portion; Stem stem pushes the guiding slide unit of each clamp by the taper electrolysis in jacking sliding groove, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
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 arc clip slot and arcuate groove; Specifically, the radially protruding along base tube 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 arc clip slot and 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. In concrete practice, it is also possible to adopt 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 comparatively laborsaving, has good anti-loosening effect.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 9, and the bolt in the present embodiment no longer includes nut 34, and the present embodiment is arranged to the internal threaded regions 171 adaptive with bolt male threaded joint in the spacing slide opening in shrouding portion; The body of rod of bolt 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 comparatively simplifies.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 10, and the present embodiment also includes current transformer 7; This current transformer includes toroidal inductive body 71 and intelligent control module 72; In the present embodiment, intelligent control module 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are arranged side by side combination and form 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 be arranged in the vestibule of toroidal inductive body, namely have only to so that the vestibule of cable traverse toroidal inductive body.
The present embodiment has four clamp holes, but in concrete practice, it is possible to only or three electric power cables of clamping; When one electric power cable of clamping is that toroidal inductive body may be used for faradic current or voltage signal, now can use as a common curtage transformer; When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence current signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and the current signal that intelligent control module is sensed toroidal inductive body by wireless transmit/receive units sends distance host to, to realize the long-range no worker monitor of precision.
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 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; 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 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, and each clamp and a corresponding crimping boss clamping form a clamp hole; Each through wires hole in shrouding portion connects with a corresponding clamp hole; Bolt includes the body of rod, be arranged on the fastening part of body of rod one end, the male threaded joint that is arranged on the body of rod and and the adaptive nut of male threaded joint; The fastening position of bolt is in the stem stem side away from shrouding portion, and the body of rod of bolt sequentially passes through the centre bore of stem stem and the spacing slide opening in shrouding portion, and 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, and through wires hole is uniformly arranged on the outer circumferential side of spacing hole; Guiding 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 guiding slide unit has the conical outer wall adaptive with stem stem jacking sliding groove, and this conical outer wall substantially also serves as the inwall of clamp; When the guiding slide unit of each clamp is arranged in stem stem jacking sliding groove, the outer wall of this clamp is parallel with the inwall of crimping boss; Swivel bolt pulls stem stem to move towards the direction close to shrouding portion; Stem stem pushes the guiding slide unit of each clamp by taper electrolysis, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
CN201610094632.8A 2016-01-15 2016-01-15 Improved wedge-shaped power cable clamp Withdrawn CN105680194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610094632.8A CN105680194A (en) 2016-01-15 2016-01-15 Improved wedge-shaped power cable clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610094632.8A CN105680194A (en) 2016-01-15 2016-01-15 Improved wedge-shaped power cable clamp

Publications (1)

Publication Number Publication Date
CN105680194A true CN105680194A (en) 2016-06-15

Family

ID=56304703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610094632.8A Withdrawn CN105680194A (en) 2016-01-15 2016-01-15 Improved wedge-shaped power cable clamp

Country Status (1)

Country Link
CN (1) CN105680194A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0958758A1 (en) * 1998-05-20 1999-11-24 Fickinger, Helga Screw-less tube connector
CN1936402A (en) * 2005-09-21 2007-03-28 百乐仕株式会社 Clip
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
EP0958758A1 (en) * 1998-05-20 1999-11-24 Fickinger, Helga Screw-less tube connector
CN1936402A (en) * 2005-09-21 2007-03-28 百乐仕株式会社 Clip
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: 20160615

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