CN105633618A - Connector clamp for overhead lines - Google Patents
Connector clamp for overhead lines Download PDFInfo
- Publication number
- CN105633618A CN105633618A CN201610093663.1A CN201610093663A CN105633618A CN 105633618 A CN105633618 A CN 105633618A CN 201610093663 A CN201610093663 A CN 201610093663A CN 105633618 A CN105633618 A CN 105633618A
- Authority
- CN
- China
- Prior art keywords
- paw
- compression
- tube
- core pipe
- 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- Withdrawn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
- 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
- Clamps And Clips (AREA)
Abstract
The invention discloses a connector clamp for overhead lines. The power clamp comprises a base tube, a core tube, a set of compression claw component and a planar nut, wherein compression joint bosses are arranged on the inner circumferential wall of the base tube; radial limit sliding holes are formed in the tube wall of the core tube; an annular stopper is arranged on the inner circumferential wall of the core tube; the compression claw assembly comprises a plurality of compression claws; each compression claw comprises a compression plate part, a guide sliding block part and a drive threaded part; the planar nut is arranged in the tube cavity of the core tube in a rotating way and comprises a planar threaded part in engaged fit with the drive threaded part of each compression claw; the planar nut drives the planar threaded part to rotate in a reciprocating way, so as to further drive all compression claws to get close mutually towards the center of the base tube or depart from each other; the inner wall of each compression joint boss is provided with an arc-shaped groove; the outer wall of the compression plate part of each compression claw is provided with an arc-shaped clamping groove; the arc-shaped clamping groove of each compression claw faces one corresponding arc-shaped groove; the arc-shaped clamping groove of each compression claw and the arc-shaped groove of the corresponding compression joint boss get close to form a line clamping hole. The power clamp for overhead lines has an excellent anti-loosening effect.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of overhead transmission line connecting clip.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to overhead transmission line connecting clip, two insulated conductors are linked together. Overhead transmission line connecting clip 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 insulated over-head line connecting clip to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional overhead transmission line connecting clip 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 conventional overhead circuit connecting clip there is also weak point, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, it is easy to loosen.
Summary of the invention
It is an object of the invention to provide one and there is better anti-loosening effect, be effectively ensured installation fastness, overhead transmission line connecting clip stable and reliable for performance.
The technical scheme realizing the object of the invention is: a kind of overhead transmission line connecting clip, including a base tube, core pipe, a set of paw assembly and a plane nut; The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with radially spacing slide opening, and the internal perisporium of core pipe is provided with the annular gear platform of inwardly projecting formation; Paw assembly includes multiple paw, and each paw includes pressing plate portion, from the guide runner portion of the inwardly projecting formation of inwall in pressing plate portion and the driving threaded portion that is arranged on guide runner portion; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and in each tube chamber driving threaded portion to stretch to core pipe, each pressing plate portion is positioned between base tube inwall and core tube wall; Each pressing plate portion and a corresponding crimping boss clamping form a clamp hole; Plane nut rotation is arranged in core pipe tube chamber, and keeps off between platform in the driving threaded portion of each paw and core pipe; Plane nut includes driving threaded portion engage the flat thread portion of adaptation and be positioned at the fastening part of plane nut center with each paw; Each inwall crimping boss is provided with arcuate groove; The outer wall in each paw pressing plate portion is provided with arc clip slot; The arcuate groove of a corresponding crimping boss is just arranged by the arc clip slot of each paw, and the arc clip slot of each paw and the arcuate groove clamping of a corresponding crimping boss form a clamp hole; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw close to each other towards base tube center or away from, thus unclamping or clamping the electric power cable being arranged in clamp hole.
In such scheme, varying in size of each clamp hole.
The present invention has positive effect: (1) present invention drives paw clamping electric power cable by flat thread portion, 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 overhead transmission line connecting clip, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 be wire clamp shown in Fig. 1 from another angle observe time a kind of perspective view;
Fig. 3 is a kind of front view of wire clamp shown in Fig. 1;
Fig. 4 is that shown in Fig. 1, the one of wire clamp partly cuts open structural representation;
Fig. 5 is a kind of explosive view of wire clamp shown in Fig. 1;
Fig. 6 is a kind of explosive view during observation of another angle of wire clamp shape shown in Fig. 1;
Fig. 7 is the explosive view that wire clamp shown in Fig. 6 decomposes further;
Fig. 8 is a kind of perspective view of wire clamp midplane nut shown in Fig. 1;
The one that Fig. 9 is the second structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of overhead transmission line connecting clip, sees shown in Fig. 1 to Fig. 8, including 1, core pipe 2 of a base tube, a set of paw assembly 3 and a plane nut 4; The internal perisporium of base tube is axially arranged with multiple crimping boss 11 along base tube, and each inwall crimping boss is provided with arcuate groove 111; The internal perisporium of base tube is axially additionally provided with multiple positioning runner 12 along base tube; The periphery wall of core pipe is provided with multiple support flange 21 extended along base tube radially protruding, and each outboard end supporting flange is arranged in a corresponding positioning runner, thus core pipe being supported in the tube chamber being positioned at base tube; Core pipe and base tube are arranged concentrically and are positioned at base tube tube chamber; The tube wall of core pipe is provided with the spacing slide opening 22 of multiple radial direction, and each radially spacing slide opening all extends radially through core tube wall along base tube; Each radially spacing slide opening is positioned at core pipe middle part axially, and the radial cross-sectional shape of each radially spacing hole is I-shaped; The internal perisporium of core pipe is provided with the annular gear platform 23 of inwardly projecting formation.
Paw assembly includes multiple paw 5, and each paw includes pressing plate portion 51, from the guide runner portion 52 of the inwardly projecting formation of inwall in pressing plate portion and the driving threaded portion 53 that is arranged on guide runner portion; Pressing plate portion is axially extending along base tube, and guide runner portion radially extends along base tube; The outer wall in each paw pressing plate portion is provided with arc clip slot 511; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and in each tube chamber driving threaded portion to stretch to core pipe, each pressing plate portion is positioned between base tube inwall and core tube wall; Each paw reciprocatingly slides along the radial direction of base tube under the guide and limit effect of radially spacing slide opening; The radial cross-sectional shape in each guide runner portion is adaptive with radial direction spacing hole I-shaped.
In the present embodiment, the arcuate groove of a corresponding crimping boss is just arranged by the arc clip slot of each paw, and the arcuate groove clamping of the arc clip slot of this paw and this crimping boss forms a clamp hole 6, and each clamp hole is used for clamping an electric power cable. In the present embodiment, the size in each clamp hole can be different, for clamping the cable of different thicknesses.
Plane nut is arranged in core pipe tube chamber, and keeps off between platform in the driving threaded portion of each paw and core pipe; Plane nut includes driving threaded portion engage the flat thread portion 41 of adaptation and be positioned at the fastening part 42 of plane nut center with each paw, arranging flat thread portion on one side of the adjacent paw assembly of plane nut, another side of plane nut and core pipe gear platform slide adjacent; The periphery wall of plane nut and core inside pipe wall slide adjacent; Flat thread portion is annular, flat thread portion is provided with archimedean spiral groove, the thread groove that driving threaded portion is provided with and this archimedean spiral groove is adaptive of each paw assembly, each side driving threaded portion to be arranged on guide runner portion, place adjacent flat nut.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 7 in each arcuate groove and each arc clip slot; Specifically, respectively puncture along base tube radially protruding. The existence punctured, it is possible to insulating power cable is not being 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 crimping boss and base tube are the integral pieces made by casting forming, and each puncture is made when casting forming; In concrete practice, puncture may be used without alternate manner and makes; Such as in each arcuate groove and each arc clip slot, 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 fastening part of the present embodiment midplane nut is interior hexagonal shape fastener hole or interior hexagonal shape binding groove, and it is twisted operation and adopts inner hexagon spanner; In concrete practice, described fastening part just can adopt other shape, for instance square or in-line or quincunx, all can select.
In the present embodiment, the quantity of crimping boss and paw is identical, is all four, therefore the present embodiment can form four clamp holes, is especially suited as branch connection wire clamp and uses.
In concrete practice, the quantity of crimping boss and paw can select according to actual needs, for instance two or three etc., it is all feasible.
Plane nut is in reciprocating rotation, drive its flat thread portion reciprocating rotation, and then drive each paw by engaging the driving threaded portion of adaptation, owing to each paw radial direction only along base tube under the guide and limit effect of radially spacing slide opening moves back and forth, so that the move mode of each paw be close to each other towards base tube center or away from, thus unclamping or clamping the electric power cable being arranged in clamp hole.
The present embodiment 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.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, it is different in that: as shown in Figure 9, also sheathed on the periphery wall of base tube in the present embodiment it is fixed with current transformer 8, the quantity of described crimping boss and paw is all three, therefore the present embodiment can form three clamp holes, being used for clamping three phase cables, now the present embodiment entirety can use as high pressure zero sequence current mutual inductor, for detecting the existence of leakage current, to find leak current fault in time.
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 (2)
1. an overhead transmission line connecting clip, it is characterised in that: include a base tube, core pipe, a set of paw assembly and a plane nut; The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with radially spacing slide opening, and the internal perisporium of core pipe is provided with the annular gear platform of inwardly projecting formation; Paw assembly includes multiple paw, and each paw includes pressing plate portion, from the guide runner portion of the inwardly projecting formation of inwall in pressing plate portion and the driving threaded portion that is arranged on guide runner portion; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and in each tube chamber driving threaded portion to stretch to core pipe, each pressing plate portion is positioned between base tube inwall and core tube wall; Each pressing plate portion and a corresponding crimping boss clamping form a clamp hole; Plane nut rotation is arranged in core pipe tube chamber, and keeps off between platform in the driving threaded portion of each paw and core pipe; Plane nut includes driving threaded portion engage the flat thread portion of adaptation and be positioned at the fastening part of plane nut center with each paw; Each inwall crimping boss is provided with arcuate groove; The outer wall in each paw pressing plate portion is provided with arc clip slot; The arcuate groove of a corresponding crimping boss is just arranged by the arc clip slot of each paw, and the arc clip slot of each paw and the arcuate groove clamping of a corresponding crimping boss form a clamp hole; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw close to each other towards base tube center or away from, thus unclamping or clamping the electric power cable being arranged in clamp hole.
2. overhead transmission line connecting clip according to claim 1, it is characterised in that: varying in size of each clamp hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093663.1A CN105633618A (en) | 2016-01-15 | 2016-01-15 | Connector clamp for overhead lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093663.1A CN105633618A (en) | 2016-01-15 | 2016-01-15 | Connector clamp for overhead lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105633618A true CN105633618A (en) | 2016-06-01 |
Family
ID=56048309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610093663.1A Withdrawn CN105633618A (en) | 2016-01-15 | 2016-01-15 | Connector clamp for overhead lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633618A (en) |
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 CN201610093663.1A patent/CN105633618A/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 |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160601 |