CN105826719A - Electric power fitting - Google Patents
Electric power fitting Download PDFInfo
- Publication number
- CN105826719A CN105826719A CN201610097130.0A CN201610097130A CN105826719A CN 105826719 A CN105826719 A CN 105826719A CN 201610097130 A CN201610097130 A CN 201610097130A CN 105826719 A CN105826719 A CN 105826719A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- radially
- matrix
- plane nut
- 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- Withdrawn
Links
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
- H01R11/03—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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses an electric power fitting comprising a base, a plane nut and two sets of pressing claw components. Each set of pressing claw component comprises three pressing claws. The base is provided with the slide pipe and radial guide position limiting holes which are arranged on the slide pipe. The plane nut sleeves the external circumferential wall of the slide pipe of the base and is arranged between the two sets of pressing claw components. Each pressing claw is arranged in one corresponding radial guide position limiting hole. The two side ends of the plane nut are respectively provided with a plane thread part. Each plane thread part is adaptive to the driving thread parts of the three pressing claws of one adjacent set of pressing claw component in an engaged way. The plane nut synchronously drives the two sets of pressing claw components to be close to each other towards the center of the slide pipe or away from each other. The electric power fitting has a great anti-loosening effect.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need to be linked together by two insulated conductors with penetrating cable clamp.Penetrating cable 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, waterproof, anticorrosion is aging；Using insulation puncture line clamping to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional penetrating cable clamp 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 the most ripe, also obtains relatively broad application.But tradition penetrating cable clamp there is also weak point, and the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
It is an object of the invention to provide a kind of brand new, install that fastness is reliable and stable, effectively prevent the electric armour clamp that loosens.
The technical scheme realizing the object of the invention is: a kind of electric armour clamp, including matrix, a plane nut and two casing pressure claw assemblies；Each casing pressure claw assembly includes three paws；Matrix is provided with slip pipe and the radially-directed spacing hole being arranged on slip pipe；Two ends on matrix slip pipe is axial respectively arrange three radially-directed spacing holes, and these three radially-directed spacing holes are for adaptive with corresponding a set of paw assembly；Plane nut sleeve is located on the periphery wall of matrix slip pipe, and between two casing pressure claw assemblies；Each paw is positioned in a corresponding radially-directed spacing hole, and each paw reciprocatingly slides along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole；Each paw is provided with driving threaded portion；Plane nut two side ends on axial along matrix slip pipe is respectively provided with a flat thread portion, and adaptation then engages with the driving threaded portion of three paws in adjacent a set of paw assembly in each flat thread portion；Plane nut drives two flat thread portion reciprocating rotations of its two side ends, and then synchronizes to drive two casing pressure claw assemblies, three paws in each casing pressure claw assembly under the driving in a corresponding flat thread portion close to each other towards slip pipe center or away from.
The present invention has positive effect: (1) present invention drives two casing pressure claw assembly clamping electric power cables by utilizing two flat thread portions to synchronize, compare with by traditional bolt assembly clamping electric power cable, bigger pressure can be applied, and there is excellent anti-loosening effect, the reliability of long-term work is effectively ensured.(2) present invention is by being arranged on cable clamping the center of power circuit connecting clip, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.(3) present invention uses two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe, in use goes wrong even if the most a set of, its service behaviour of the most another set of guarantee.
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 front view of electric armour clamp shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of electric armour clamp partly cuts open structural representation；
Fig. 4 is a kind of explosive view of electric armour clamp shown in Fig. 1；
Fig. 5 is the explosive view that electric armour clamp shown in Fig. 1 decomposes further；
Fig. 6 is a kind of perspective view of the second structure of the present invention；
Fig. 7 is a kind of front view of electric armour clamp shown in Fig. 6；
Fig. 8 is that shown in Fig. 6, the one of electric armour clamp partly cuts open structural representation；
Fig. 9 is a kind of explosive view of electric armour clamp shown in Fig. 6；
Figure 10 is the explosive view that electric armour clamp type shown in Fig. 6 decomposes further.
It is labeled as shown in accompanying drawing: matrix 1, slip pipe 11, radially-directed spacing hole 12, rectangle slide opening 121, anticreep slide opening 122, positioning runner 15, plane nut 2, fastening part 21, flat thread portion 22, paw assembly 3, paw 4, pressing plate portion 41, puncture 42, guide runner portion 43, guide part 431, anti-delinking part 432, limiting section 433, drives threaded portion 44, arcuate groove 45, clamp hole 5, plug 6, arc clip slot 61, support location flange 62.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of electric armour clamp, as shown in Fig. 1 to Fig. 5, including 1, plane nut of matrix 2 and two casing pressure claw assemblies 3；Each casing pressure claw assembly includes three paws 4；Matrix is provided with slip pipe 11 and the radially-directed spacing hole 12 being arranged on slip pipe；Radially-directed spacing hole extends radially through slip pipe tube wall along matrix slip pipe；Radially-directed spacing hole 12 be positioned at matrix slip pipe axially on edges at two ends at；
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, totally six, matrix slip pipe axially on two ends three radially-directed spacing holes are respectively set, these three radially-directed spacing holes for and corresponding a set of paw assembly 3 adaptive；Each paw is positioned in a corresponding radially-directed spacing hole 12, and each paw reciprocatingly slides along the radial direction of matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole；
Being shaped as of plane nut 2 is ring-type, and plane nut sleeve is located on the periphery wall of matrix slip pipe 11, and between two casing pressure claw assemblies 3；
Each paw is provided with pressing plate portion 41, the guide runner portion 43 radially extending formation along matrix slip pipe 11 and the driving threaded portion 44 being arranged in guide runner portion；Threaded portion 44 is driven to be arranged on a side of guide runner portion adjacent flat nut；The inwall in pressing plate portion is curved, forms an arcuate groove 45, and the arcuate groove of multiple paws encloses formation one clamp hole 5.External cable is positioned in this clamp hole 5.
The present embodiment, in order to connect electricity on insulating power cable, is also provided with multiple puncture 42 on pressing plate portion inwall, specifically, punctures and be arranged on the inwall of each arcuate groove, and each puncture is radially inwardly projecting along matrix slip pipe 11.The existence punctured, still can effectively connect electricity when insulating power cable not carrying out peeling and processing.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 cast molding, and each puncture is made when cast molding；In concrete practice, puncture may be used without alternate manner and makes；On the inwall in pressing plate portion, such as it is provided with multiple installation draw-in groove, then installed 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 used to make, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferable electric property.
The internal perisporium of plane nut is the smooth inner wall adaptive with matrix slip pipe periphery wall, the periphery wall of plane nut is provided with fastening part 21, plane nut two side ends on axial along matrix slip pipe is each provided with a flat thread portion 22, each flat thread portion is provided with archimedean spiral groove, and adaptation then engages with the driving threaded portion of three paws in adjacent a set of paw assembly in each flat thread portion；The fastening part 21 of the present embodiment midplane nut is provided in the outer-hexagonal shape fastener head on plane nut periphery wall, and it is twisted operation and uses inner hexagon spanner, shfting wrench or fork spanner；In concrete practice, described fastening part just can use other shape, and for example with the multiple binding grooves being evenly distributed on plane nut periphery wall, it is twisted operation and uses hook type spanner (being commonly called as hook spanner).
In the present embodiment, each radially-directed spacing hole 12 includes rectangle slide opening 121 and anticreep slide opening 122, rectangle slide opening is arranged on the edge of matrix slip pipe, form a breach, anticreep slide opening connects with rectangle slide opening, anticreep slide opening is positioned at the inboard of rectangle slide opening, anticreep slide opening and the combination of rectangle slide opening and forms T-shaped hole；
Each paw guide runner portion 43 is provided with the guide part 431 being positioned in rectangle slide opening, be positioned in anticreep slide opening anti-delinking part 432 and be positioned at the limiting section 433 outside matrix slip pipe, the cross sectional shape that the guide part 431 of each paw, anti-delinking part 432 and limiting section 433 combination are formed is I-shaped；The guide part 431 of each paw and anti-delinking part 432, along each paw that extends radially through of matrix slip pipe, the inwall in the inwall of guide part 431 of each paw, the inwall of anti-delinking part 432 and pressing plate portion 41 are equipped with multiple puncture；Driving threaded portion to be arranged on the side end wall of anti-delinking part adjacent flat nut, the shape of anti-delinking part and anticreep slide opening are adaptive；Drive threaded portion to protrude to be arranged on the side end wall of anti-delinking part adjacent flat nut, so that drive threaded portion to cannot move in anticreep slide opening.
In the present embodiment, the direction of rotation in the flat thread portion of plane nut one side is forward, and the direction of rotation in the flat thread portion of another side is reverse, the direction that the direction of rotation driving screw thread on each paw is and the flat thread portion adjacent with this paw is adaptive.When this structure makes plane nut rotation, by the two of its two side ends flat thread portions, synchronize to drive two casing pressure claw assemblies to realize clamping or releases cable.
In the present embodiment, voltage transformer 7 also it is fixed with on the periphery wall of plane nut fastening part, this voltage transformer is for inducing relatively low secondary voltage from folded cable, for providing electric energy for other auxiliary equipment such as photographic head, temperature sensor, wireless transmit/receive units.
The present embodiment, when carrying out clamp operation, uses inner hexagon spanner, shfting wrench or fork spanner to twist plane nut；Plane nut is in reciprocating rotation, drive its flat thread portion reciprocating rotation, and then drive synchronization to drive two casing pressure claw assemblies by engaging the driving threaded portion of adaptation, owing to each paw radial direction only along matrix slip pipe under the guide and limit effect of radially-directed spacing hole 12 moves back and forth, so that the move mode of each paw be close to each other towards slip pipe center or away from, thus clamping or unclamp the electric power cable being positioned in clamp hole 5.
The present embodiment is by being arranged on cable clamping at the longitudinal center line of electric armour clamp, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration；It addition, the present embodiment drives paw clamping electric power cable by flat thread portion, compare with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, the reliability of long-term work is effectively ensured.
In the present embodiment, two casing pressure claw assemblies are clamped on same cable, have the effect of dual fail-safe, in use go wrong even if the most a set of, its service behaviour of the most another set of guarantee.
(embodiment 2)
The present embodiment is another kind of electric armour clamp, and as shown in Fig. 6 to Figure 10, the present embodiment and embodiment 1 are essentially identical, and difference is: the present embodiment also includes the plug 6 being positioned in matrix slip pipe tube chamber；Two casing pressure claw assemblies are symmetricly set on the two ends of slip pipe；It is provided with three arc clip slots 61 along base tube is central axial on the periphery wall of plug 6, each arc clip slot is provided with multiple puncture；Arcuate groove 45 on a corresponding paw inwall is just arranged by each arc clip slot, and each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 5, so the present embodiment forms three clamp holes 5 altogether, can be used for simultaneously clamping on three cables；
The periphery wall of plug is provided with three supports along matrix slip pipe radially protruding and positions flange 62, the internal perisporium of matrix slip pipe is provided with three positioning runners 15, each support location flange stretches in a corresponding positioning runner away from a side of plug, thus plug is positioned in the tube chamber of matrix slip pipe.
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 obvious 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. an electric armour clamp, it is characterised in that: include matrix, a plane nut and two casing pressure claw assemblies；Each casing pressure claw assembly includes three paws；
Matrix is provided with slip pipe and the radially-directed spacing hole being arranged on slip pipe；Two ends on matrix slip pipe is axial respectively arrange three radially-directed spacing holes, and these three radially-directed spacing holes are for adaptive with corresponding a set of paw assembly；
Plane nut sleeve is located on the periphery wall of matrix slip pipe, and between two casing pressure claw assemblies；
Each paw is positioned in a corresponding radially-directed spacing hole, and each paw reciprocatingly slides along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole；Each paw is provided with driving threaded portion；
Plane nut two side ends on axial along matrix slip pipe is respectively provided with a flat thread portion, and adaptation then engages with the driving threaded portion of three paws in adjacent a set of paw assembly in each flat thread portion；
Plane nut drives two flat thread portion reciprocating rotations of its two side ends, and then synchronizes to drive two casing pressure claw assemblies, three paws in each casing pressure claw assembly under the driving in a corresponding flat thread portion close to each other towards slip pipe center or away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097130.0A CN105826719A (en) | 2016-01-15 | 2016-01-15 | Electric power fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097130.0A CN105826719A (en) | 2016-01-15 | 2016-01-15 | Electric power fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105826719A true CN105826719A (en) | 2016-08-03 |
Family
ID=56988031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097130.0A Withdrawn CN105826719A (en) | 2016-01-15 | 2016-01-15 | Electric power fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105826719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356778A (en) * | 2016-11-24 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Wire stripper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
-
2016
- 2016-01-15 CN CN201610097130.0A patent/CN105826719A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356778A (en) * | 2016-11-24 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Wire stripper |
| CN106356778B (en) * | 2016-11-24 | 2018-01-26 | 国网山东省电力公司济南市长清区供电公司 | A kind of wire stripper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160803 |
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| WW01 | Invention patent application withdrawn after publication |