CN105633619A - Overhead electric power fitting - Google Patents
Overhead electric power fitting Download PDFInfo
- Publication number
- CN105633619A CN105633619A CN201610093725.9A CN201610093725A CN105633619A CN 105633619 A CN105633619 A CN 105633619A CN 201610093725 A CN201610093725 A CN 201610093725A CN 105633619 A CN105633619 A CN 105633619A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- slide opening
- radially
- matrix
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—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)
- Clamps And Clips (AREA)
Abstract
The invention discloses an overhead electric power fitting. The overhead electric power fitting comprises a base body, a planar nut, two sets of press claw assemblies and a core rod, wherein the core rod is arranged in a pipe cavity of a sliding pipe of the base body, the base body is provided with the sliding pipe and radial guide limitation holes, the radial guide limitation holes are formed in the sliding pipe, the planar nut sleeves the outer peripheral wall of the sliding pipe of the base body and is arranged between the two sets of press claw assemblies, each press claw is arranged in corresponding one of the radial guide limitation holes, a planar thread part is arranged at each of two side ends of the planar nut, each planar thread part is adaptively engaged with driving thread parts of three press claws in adjacent one set of press claw assembly, the core rod is provided with three arc clamping grooves, each arc clamping groove and the inner wall of corresponding one press claw are clamped to form a wire clamping hole, and the planar nut synchronously drives the two sets of press claw assemblies to get close to or deviate from the center of the sliding pipe. The overhead electric power fitting has a relatively high loosening prevention 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, it is necessary to penetrating cable clamp, two insulated conductors are linked together. Penetrating cable clamp 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 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 comparatively 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, it is easy to 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 built on stilts electric armour clamp that loosens.
The technical scheme realizing the object of the invention is: a kind of built on stilts electric armour clamp, including matrix, two plane nuts, two casing pressure claw assemblies and a plug being arranged in matrix slip pipe tube chamber; Matrix is provided with slip pipe and the radially-directed spacing hole being arranged on slip pipe; Matrix slip pipe two ends axially 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 arranged 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 is being respectively provided with a flat thread portion along matrix slip pipe two side ends axially, and adaptation then engages with the driving threaded portion of three paws in adjacent a set of paw assembly in each flat thread portion; Being provided with three arc clip slots along base tube is central axial on the periphery wall of plug, the inwall of a corresponding paw is just arranged by each arc clip slot, and each arc clip slot and a corresponding paw inwall clamping form a clamp hole; Each radially-directed spacing hole includes rectangle slide opening and anticreep slide opening, and rectangle slide opening is arranged on the edge of matrix slip pipe, forms a breach, and anticreep slide opening connects with rectangle slide opening; Each paw guide runner portion is provided with the guide part in rectangle slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section outside matrix slip pipe, 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; 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, it is effectively ensured the reliability of long-term work. (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 adopts two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe, in use goes wrong even if wherein a set of, also has its service behaviour of another set of guarantee. (4) present invention can simultaneously clamp on three groups of cables, it is simple to branch connection.
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.
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, keeps off platform 13, positioning runner 15, plane nut 2, fastening part 21, flat thread portion 22, paw assembly 3, paw 4, pressing plate portion 41, punctures 42, guide runner portion 43, guide part 431, anti-delinking part 432, limiting section 433, drive 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 built on stilts electric armour clamp, sees shown in Fig. 1 to Fig. 5, including 1, plane nut 2, two casing pressure claw assembly 3 of matrix and a plug 6 being arranged in matrix slip pipe tube chamber; 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 is positioned at matrix slip pipe edges at two ends place axially;
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, totally six, and matrix slip pipe two ends axially respectively arrange three radially-directed spacing holes, and these three radially-directed spacing holes are for adaptive with corresponding a set of paw assembly 3; Each paw is arranged 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;
Plane nut 2 be shaped as ring-type, 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, radially extend formation along matrix slip pipe 11 guide runner portion 43 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.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 42 on pressing plate portion inwall, specifically, punctures and is arranged on the inwall of each arcuate groove, and each puncture is radially-inwardly protruded along matrix slip pipe 11. The existence punctured, it is possible to when insulating power cable not being carried out peeling and processing, still 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 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 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 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 is being each provided with a flat thread portion 22 along matrix slip pipe two side ends axially, 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 adopts inner hexagon spanner, shfting wrench or fork spanner; In concrete practice, described fastening part just can adopt other shape, for instance adopts the multiple binding grooves being evenly distributed on plane nut periphery wall, and it is twisted operation and adopts 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 in rectangle slide opening, is arranged in the anti-delinking part 432 of anticreep slide opening and is positioned at the limiting section 433 outside matrix slip pipe, and 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 of guide part 431 of each paw, the inwall of anti-delinking part 432 and the inwall in 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.
Two casing pressure claw assemblies are symmetricly set on the two ends of slip pipe; The periphery wall of plug 6 is provided with three arc clip slots 61 along base tube is central axial, 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.
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, the periphery wall of plane nut fastening part is also fixed with voltage transformer 7, this voltage transformer 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, adopts 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 arranged in each clamp hole 5.
The present embodiment is by being arranged on cable clamping at the longitudinal center line place 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, it is effectively ensured the reliability of long-term work.
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 wherein a set of, also have its service behaviour of another set of guarantee.
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 built on stilts electric armour clamp, it is characterised in that: include matrix, two plane nuts, two casing pressure claw assemblies and a plug being arranged in matrix slip pipe tube chamber; Matrix is provided with slip pipe and the radially-directed spacing hole being arranged on slip pipe; Matrix slip pipe two ends axially 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 arranged 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 is being respectively provided with a flat thread portion along matrix slip pipe two side ends axially, and adaptation then engages with the driving threaded portion of three paws in adjacent a set of paw assembly in each flat thread portion; Being provided with three arc clip slots along base tube is central axial on the periphery wall of plug, the inwall of a corresponding paw is just arranged by each arc clip slot, and each arc clip slot and a corresponding paw inwall clamping form a clamp hole; Each radially-directed spacing hole includes rectangle slide opening and anticreep slide opening, and rectangle slide opening is arranged on the edge of matrix slip pipe, forms a breach, and anticreep slide opening connects with rectangle slide opening; Each paw guide runner portion is provided with the guide part in rectangle slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section outside matrix slip pipe, 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; 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 |
|---|---|---|---|
| CN201610093725.9A CN105633619B (en) | 2016-01-15 | 2016-01-15 | A kind of aerial electric armour clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093725.9A CN105633619B (en) | 2016-01-15 | 2016-01-15 | A kind of aerial electric armour clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105633619A true CN105633619A (en) | 2016-06-01 |
| CN105633619B CN105633619B (en) | 2019-02-26 |
Family
ID=56048310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610093725.9A Active CN105633619B (en) | 2016-01-15 | 2016-01-15 | A kind of aerial electric armour clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633619B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025606A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Electric power fitting having relatively good anti-shedding performance |
| CN113131233A (en) * | 2021-03-04 | 2021-07-16 | 钱琴芳 | Wire connector without peeling |
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 CN201610093725.9A patent/CN105633619B/en active Active
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025606A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Electric power fitting having relatively good anti-shedding performance |
| CN113131233A (en) * | 2021-03-04 | 2021-07-16 | 钱琴芳 | Wire connector without peeling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105633619B (en) | 2019-02-26 |
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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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181212 Address after: 325600 Yuhong Road, Hongqiao Town, Yueqing, Zhejiang Province, No. 14 Applicant after: Gao Yanni Address before: Room 704, 5 Building, Ganglong City Commercial Plaza, New Area 556 Changjiang Road, Suzhou High-tech Industrial Development Zone, Jiangsu Province, 215000 Applicant before: Hu Yan |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190121 Address after: 325604 Taiwanese Business Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province Applicant after: Torch Electrical Group Co., Ltd. Address before: 325600 Yuhong Road, Hongqiao Town, Yueqing, Zhejiang Province, No. 14 Applicant before: Gao Yanni |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |