CN105610108A - Middle-high voltage power cable clamp - Google Patents
Middle-high voltage power cable clamp Download PDFInfo
- Publication number
- CN105610108A CN105610108A CN201610094565.XA CN201610094565A CN105610108A CN 105610108 A CN105610108 A CN 105610108A CN 201610094565 A CN201610094565 A CN 201610094565A CN 105610108 A CN105610108 A CN 105610108A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- matrix
- radially
- arc
- 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- Withdrawn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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
-
- 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
-
- 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
Abstract
The invention discloses a middle-high voltage power cable clamp. The middle-high voltage power cable clamp comprises a base body, two planar nuts and two sets of pressing claw assemblies; each set of pressing claw assembly comprises three pressing claws; the base body is equipped with a sliding pipe, a baffle table and radial guiding limiting holes; each pressing claw is positioned in one corresponding radial guiding limiting hole; each planar nut is matched with the corresponding one set of pressing claw assembly; three arc-shaped clamping grooves are formed in the outer peripheral wall of a core rod along the central axial direction of a base tube; each arc-shaped clamping groove is arranged in a manner of directly facing to an arc-shaped groove in the inner wall of the corresponding pressing claw; each arc-shaped clamping groove and the corresponding arc-shaped groove are clamped to form a cable clamping hole; three supporting and positioning convex plates, protruding along the radial direction of the base body sliding pipe, are arranged on the outer circumferential wall of the core rod; three positioning sliding grooves are formed in the inner circumferential wall of the base body sliding pipe; one side end, far from the core rod, of each supporting and positioning convex plate extends into one corresponding positioning sliding groove so as to enable the core rod to be positioned in the pipe cavity of the base body sliding pipe; and each planar nut drives the three pressing claws in the corresponding one set of pressing claw assembly to move towards the center of the sliding pipe in a manner of being close to each other or far away from each other. The middle-high voltage power cable clamp is easy to mount.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of medium and high voltage power line folder.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or while continuing, need to be with connecting clip by two eradicationsEdge wire links together. Connecting clip especially penetration type connecting clip has simple installation, low cost, the safe and reliable dimension of exempting fromThe feature of protecting. Without blocking leader cable, can doing cable branch without the insulating barrier of peelling off cable, joint insulate completely, can be withElectricity operation, can do in cable optional position on-the-spot branch; Do not need to use termination rack, coupling box; And joint warp resistance, shockproof,Waterproof, anticorrosion are aging; Comprehensive benefit is obvious, and cost performance is better than traditional connected mode in the past.
Traditional penetrating cable clamp mainly forms by strengthening housing, puncture blade, waterproof silicone grease, high-strength bolt and nut,The preferred torque nut of its nut, its structure is comparatively ripe, also obtains applying comparatively widely. But traditional penetrating cable clamp also existsWeak point, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosening.
Summary of the invention
The object of this invention is to provide a kind of brand new, install fastness reliable and stable, have double insurance effect inHigh-tension electricity wire clamp.
The technical scheme that realizes the object of the invention is: a kind of medium and high voltage power line folder, is characterized in that: comprise matrix, twoIndividual plane nut, two casing pressure claw assemblies and a plug being arranged in matrix slip pipe tube chamber; Matrix is provided with slip pipe, is arranged on cunningGear platform on pipe periphery wall and be arranged on the radially-directed spacing hole on slip pipe; Each casing pressure claw assembly comprises three paws; MatrixTwo ends on slip pipe is axial respectively arrange three radially-directed spacing holes, and each paw is arranged in a corresponding radially-directed spacing hole,Each paw is radially reciprocatingly sliding along matrix slip pipe under the guide and limit effect of radially-directed spacing hole; Each plane nut and phaseAnswer a set of paw assembly adaptation; Each plane nut sleeve is located on the periphery wall of matrix slip pipe, and is positioned at gear platform and a corresponding casing pressureBetween claw assembly; The guide runner portion that each paw is provided with pressing plate portion, radially extend to form along matrix slip pipe and be arranged on guidingDriving threaded portion in slide section; Drive threaded portion to be arranged on guide runner portion and approach a side that keeps off platform; The periphery wall of plugAbove be axially arranged with three arc clip slots along base tube center, each arc clip slot is just established the deep-slotted chip breaker on a corresponding paw inwallPut, each arc clip slot and a corresponding deep-slotted chip breaker clamping form a clamp hole; The periphery wall of plug is provided with three along matrixThe supporting and location flange that slip pipe radially protrudes, the internal perisporium of matrix slip pipe is provided with three positioning runners, each supporting and location flangeStretch in a corresponding positioning runner away from a side of plug, thereby plug is positioned in the tube chamber of matrix slip pipe; Each flatThe periphery wall of face nut is provided with fastening part, and each plane nut is provided with flat thread portion, each plane spiral shell away from a side of gear platformLine portion engages adaptive with the driving threaded portion of three paws in corresponding a set of paw assembly; Each plane nut drives its plane spiral shellLine portion reciprocating rotation, and then drive three paws in corresponding a set of paw assembly by the driving threaded portion of engaging adaptation with itTowards slip pipe center close to each other or away from.
The present invention has positive effect: (1) the present invention drives paw to clamp electric power cable by flat thread portion, and logicalCross traditional bolt assembly clamping electric power cable and compare, can apply larger pressure, and there is excellent anti-loosening effect, effectivelyEnsure the reliability of long-term work. (2) the present invention is by clamping cable at the center that is arranged on power circuit connecting clipPlace, its gravity centre distribution is comparatively reasonable, on for high-altitude overhead power line time, is conducive to alleviate vibration. (3) the present invention adoptsTwo casing pressure claw assemblies are clamped on same cable, have the effect of dual fail-safe, in use go wrong, also even wherein a set ofThere is its service behaviour of another set of guarantee.
Brief description of the drawings
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 wire clamp shown in Fig. 1;
Fig. 3 is that the one of wire clamp shown in Fig. 1 is partly cutd open structural representation;
Fig. 4 is a kind of explosive view of wire clamp shown in Fig. 1;
Fig. 5 is the explosive view that wire clamp shown in Fig. 4 further decomposes;
Fig. 6 is that the one of the second structure of the present invention is partly cutd open structural representation.
Shown in accompanying drawing, be labeled as: matrix 1, slip pipe 11, radially-directed spacing hole 12, rectangle slide opening 121, anticreep slide opening 122,Gear platform 13, detent 131, positioning runner 15, plane nut 2, fastening part 21, flat thread portion 22, paw assembly 3, paw4, pressing plate portion 41, puncture 42, guide runner portion 43, guide part 431, anti-delinking part 432, limiting section 433, drives threaded portion 44, arcShape groove 45, clamp hole 5, plug 6, arc clip slot 61, supporting and location flange 62, voltage transformer 7, zero sequence current mutual inductor 8.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of medium and high voltage power line folder, sees shown in Fig. 1 to Fig. 5, comprise matrix 1, two plane nuts 2,Two casing pressure claw assemblies 3 and the plug 6 that is arranged in matrix slip pipe tube chamber; Each casing pressure claw assembly comprises three paws 4; Matrix is provided with cunningPipe 11, be arranged on the radially-directed spacing hole 12 on slip pipe and be arranged on slip pipe periphery wall along slip pipe radially evagination formGear platform 13; Radially-directed spacing hole radially runs through slip pipe tube wall along matrix slip pipe; Keep off the ring-type that is shaped as of platform, gear platform is positioned at baseThe middle-end of body slip pipe;
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, and totally six, the two ends on matrix slip pipe is axial are eachThree radially-directed spacing holes are set, and these three radially-directed spacing holes are used for and corresponding a set of paw assembly 3 adaptations; Each pawBe arranged in a corresponding radially-directed spacing hole 12, each paw is sliding along matrix under the guide and limit effect of radially-directed spacing holeRadially reciprocatingly sliding of pipe 11;
Each plane nut 2 be shaped as ring-type, each plane nut sleeve is located on the periphery wall of matrix slip pipe 11, and is positioned at gearBetween platform 13 and corresponding a set of paw assembly 3; The two side ends of two plane nut separation gear platforms, two casing pressure claw assemblies are symmetrical arrangedIn the two side ends of gear platform.
On the periphery wall of plug 6, be axially arranged with three arc clip slots 61 along base tube center, in each arc clip slot, be provided with multiplePuncture; Each arc clip slot just arranges the deep-slotted chip breaker 45 on a corresponding paw inwall, each arc clip slot and a corresponding arcGroove clamping forms a clamp hole 5, so the present embodiment forms three clamp holes 5 altogether, can be used for clamping three cables simultaneously.
The guide runner portion 43 that each paw is provided with pressing plate portion 41, radially extend to form along matrix slip pipe 11 and being arranged on leadsTo the driving threaded portion 44 in slide section; Drive threaded portion 44 to be arranged on a side of guide runner portion adjacent flat nut; PressThe inwall of board is curved, forms a deep-slotted chip breaker 45.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple punctures 42 on pressing plate portion inwall, concrete, puncture is arranged on the inwall of each deep-slotted chip breaker, respectively punctures along matrix slip pipe 11 radially to projecting inward. The existence of puncture, canInsulating power cable is not being carried out to peeling processing, can effectively connect electricity. In concrete practice, if clamping is nakedLine, can not arrange puncture.
In the present embodiment, each paw is the integral piece of making by cast molding, and each puncture is made in the time of cast molding; ?In concrete practice, puncture also can adopt alternate manner to make; For example on the inwall of pressing plate portion, be provided with multiple installation draw-in grooves, thenInstall in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet of making, puncture sheet comprises installation portion and thorn blade, installsPortion is inlaid in installs in draw-in groove, and thorn blade exposes installing card groove and forms puncture. The benefit of this structure is that puncture sheet can be adoptedMake with the material different with paw, especially select and treat that clamp cable same material used makes, be conducive to obtain better electricalGas performance.
The internal perisporium of each plane nut is and the smooth inner wall of matrix slip pipe periphery wall adaptation, the periphery wall of each plane nutBe provided with fastening part 21, each plane nut is provided with flat thread portion 22 away from a side of gear platform, and flat thread portion is provided with AhBase Mead helicla flute, flat thread portion engages adaptive with the driving threaded portion of paw, and each plane nut is in abutting connection with a side of gear platformEnd and gear platform slip adjacency; The fastening part 21 of the present embodiment midplane nut is arranged on the outer-hexagonal on plane nut periphery wallShape fastener head, it is twisted operation and adopts inner hexagon spanner, shfting wrench or fork spanner; In concrete practice, described fastening partCan adopt other shape, for example, adopt the multiple binding grooves that are evenly distributed on plane nut periphery wall, it is twisted operation and adoptsHook type spanner (being commonly called as hook spanner).
In the present embodiment, each radially-directed spacing hole 12 comprises rectangle slide opening 121 and anticreep slide opening 122, and rectangle slide opening is establishedPut at matrix slip pipe away from gear edge of table place, form a breach, anticreep slide opening and rectangle slide opening are communicated with, and anticreep slide opening is positioned at squareThe inboard of shape slide opening, anticreep slide opening and rectangle slide opening are combined to form T font hole;
Each paw guide runner portion 43 be provided be arranged in rectangle slide opening guide part 431, be arranged in the anticreep of anticreep slide openingPortion 432 and be positioned at the limiting section 433 in matrix slip pipe outside, 433 groups of the guide part 431 of each paw, anti-delinking part 432 and limiting sectionsThe cross sectional shape that closes formation is I-shaped; Each pressure is radially run through along matrix slip pipe in the guide part 431 of each paw and anti-delinking part 432Pawl, is equipped with multiple punctures on the inwall of the inwall of the guide part 431 of each paw, the inwall of anti-delinking part 432 and pressing plate portion 41; DriveMoving threaded portion is arranged on the side wall of anti-delinking part away from gear platform, the shape of anti-delinking part and anticreep slide opening adaptation; Drive screw threadPortion protrudes and is arranged on a side wall of anti-delinking part adjacent flat nut, makes to drive threaded portion can not move to anticreep slide openingIn.
The periphery wall of plug is provided with three supporting and location flanges 62 that radially protrude along matrix slip pipe, in matrix slip pipePerisporium is provided with three positioning runners 15, and each supporting and location flange stretches into a corresponding positioning runner away from a side of plugIn, thereby plug is positioned in the tube chamber of matrix slip pipe.
The present embodiment, in the time of assembling, can first be located at plane nut sleeve on matrix slip pipe, and it is connected on gear platform; Edge againUpwards direction from outside to inside of matrix slip pipe footpath, fills in a corresponding radially-directed the guide part of each paw and anti-delinking part spacingIn hole 12, the driving threaded portion of paw is crimped in the periphery of plane nut flat thread portion, plane nut of turn,Can make with three paws of this plane nut adaptation close to each other towards matrix slip pipe center.
The present embodiment, in the time carrying out clamp operation, adopts inner hexagon spanner, shfting wrench or fork spanner to twist plane nut;Plane nut, in reciprocating rotation, drives its flat thread portion reciprocating rotation, and then by engage the driving screw thread of adaptation with itPortion drives paw, because each paw can only be along matrix slip pipe radially under the guide and limit effect of radially-directed spacing hole 12Move back and forth, thus make the move mode of each paw be close to each other towards slip pipe center or away from, thereby clamp or unclampBe arranged in the electric power cable in each clamp hole 5.
The present embodiment is by clamping cable at the longitudinal center line place that is arranged on connecting clip, and its gravity centre distribution is comparatively closedReason, on for high-altitude overhead power line time, is conducive to alleviate vibration; In addition, the present embodiment drives by flat thread portionPaw clamps electric power cable, clamps electric power cable compare with the bolt assembly by traditional, particularly excellent in anti-loosening effect,Effectively ensure the reliability of long-term work.
In the present embodiment, the both sides of gear platform respectively have a plane nut and a set of paw group with this plane nut adaptationPart, when this plane nut rotation, drives three paws in this casing pressure claw assembly along matrix slip pipe radially, towards matrix slip pipeCenter close to each other or away from. This structure makes each casing pressure claw assembly to clamp separately and to unclamp. In addition, two cover paw groupsPart is clamped on same cable, has the effect of dual fail-safe, in use goes wrong even wherein a set of, also has another set of guarantorDemonstrate,prove its service behaviour.
(embodiment 2)
The present embodiment and embodiment 1 are basic identical, and difference is: as shown in Figure 6, and the axle of the gear platform in the present embodimentLarger to size, the middle part of gear platform is provided with a detent 131, is also fixed with annular zero-sequence current mutual in this detentSensor 8; Because three electric power cables pass from matrix slip pipe tube chamber, this zero sequence current mutual inductor can be by induction mode pairArticle three, electric power cable carries out zero-sequence current detection, for finding in time leakage current fault, and will be real by wireless transmit/receive unitsTime information send distance host to, for power circuit intellectuality provides basic data.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not rightThe restriction of embodiments of the present invention. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving exhaustive to all embodiments. And theseBelong to apparent variation or the variation that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (1)
1. medium and high voltage power line folder, is characterized in that: comprise matrix, two plane nuts, two casing pressure claw assemblies and oneBe arranged on the plug in matrix slip pipe tube chamber; Matrix is provided with slip pipe, is arranged on the gear platform on slip pipe periphery wall and is arranged on slip pipeOn radially-directed spacing hole; Each casing pressure claw assembly comprises three paws; Two ends on matrix slip pipe is axial respectively arrange three footpathsTo guiding spacing hole, each paw is arranged in a corresponding radially-directed spacing hole, and each paw is in the guiding of radially-directed spacing holeRadially reciprocatingly sliding along matrix slip pipe under position-limiting action; Each plane nut and corresponding a set of paw assembly adaptation; Each plane spiral shellMother set is located on the periphery wall of matrix slip pipe, and between gear platform and corresponding a set of paw assembly;
The guide runner portion that each paw is provided with pressing plate portion, radially extend to form along matrix slip pipe and being arranged in guide runner portionDriving threaded portion; Drive threaded portion to be arranged on guide runner portion and approach a side that keeps off platform; On the periphery wall of plug along base tubeCenter is axially arranged with three arc clip slots, and each arc clip slot is just to the deep-slotted chip breaker setting on a corresponding paw inwall, each arcClip slot and a corresponding deep-slotted chip breaker clamping form a clamp hole; The periphery wall of plug is provided with three along matrix slip pipe radial convexThe supporting and location flange going out, the internal perisporium of matrix slip pipe is provided with three positioning runners, and each supporting and location flange is away from plugOne side stretches in a corresponding positioning runner, thereby plug is positioned in the tube chamber of matrix slip pipe; Outside each plane nutPerisporium is provided with fastening part, and each plane nut is provided with flat thread portion away from a side of gear platform, each flat thread portion with phaseAnswer the driving threaded portion engagement of three paws in a set of paw assembly adaptive; Each plane nut drives its flat thread portion reciprocating rotaryMoving, and then drive three paws in corresponding a set of paw assembly in slip pipe by engage the driving threaded portion of adaptation with itThe heart close to each other or away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610094565.XA CN105610108A (en) | 2016-01-15 | 2016-01-15 | Middle-high voltage power cable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610094565.XA CN105610108A (en) | 2016-01-15 | 2016-01-15 | Middle-high voltage power cable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105610108A true CN105610108A (en) | 2016-05-25 |
Family
ID=55989745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610094565.XA Withdrawn CN105610108A (en) | 2016-01-15 | 2016-01-15 | Middle-high voltage power cable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105610108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281268A (en) * | 2018-04-04 | 2018-07-13 | 宁波台龙电力科技有限公司 | A kind of high-precision anti-open-close type mutual inductor of height |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
| CN204578044U (en) * | 2015-05-20 | 2015-08-19 | 科都电气有限公司 | A kind of strain relief clamp connection device |
-
2016
- 2016-01-15 CN CN201610094565.XA patent/CN105610108A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
| CN204578044U (en) * | 2015-05-20 | 2015-08-19 | 科都电气有限公司 | A kind of strain relief clamp connection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281268A (en) * | 2018-04-04 | 2018-07-13 | 宁波台龙电力科技有限公司 | A kind of high-precision anti-open-close type mutual inductor of height |
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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: 20160525 |
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| WW01 | Invention patent application withdrawn after publication |