CN105552807A - Power splicing fitting for overhead line - Google Patents
Power splicing fitting for overhead line Download PDFInfo
- Publication number
- CN105552807A CN105552807A CN201610098949.9A CN201610098949A CN105552807A CN 105552807 A CN105552807 A CN 105552807A CN 201610098949 A CN201610098949 A CN 201610098949A CN 105552807 A CN105552807 A CN 105552807A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- slide opening
- matrix
- flat
- 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- Withdrawn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
Landscapes
- Clamps And Clips (AREA)
Abstract
The invention discloses a power splicing fitting for an overhead line. The power splicing fitting comprises a base body, flat nuts, an axial retainer ring and press claws, wherein the base body is provided with a slide tube, radial guide limiting holes, stopping tables and an annular clamping groove; each radial guide limiting hole comprises communicated guide slide hole and anti-drop slide hole; each guide slide hole is arranged on the edge of one side end, far away from the axial retainer ring, of the slide tube of the base body to form a gap; each press claw is provided with a press plate part, a guide slide block part and a drive thread part; the axial retainer ring is clamped and fixed in the annular clamping groove on the outer circumference wall of the slide tube of the base body; the flat nuts are rotationally arranged on the outer circumference wall of the slide tube of the base body; each flat nut is provided with a flat thread part which is engaged with the drive thread part of one corresponding press claw; and the flat nuts drive the press claws to be close to one another or far away from one another relative to the center of the slide tube. The power splicing fitting has a relatively good anti-looseness effect.
Description
Technical field
Overhead transmission line electric armour clamp technical field of the present invention, is specifically related to a kind of overhead transmission line electric power splicing fitting.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need with electric power splicing fitting, two insulated conductors to be linked together.Electric power splicing fitting has simple installation, low cost, safe and reliable non-maintaining feature.Without the need to blocking leader cable, can doing cable branch without the need to the insulating barrier peelling off cable, joint insulate completely, can live line working, can do 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; Use insulating power splicing fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional coupling arrangement in the past.
Traditional electric power splicing fitting is primarily of enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and nut composition, and the preferred torque nut of its nut, its structure is comparatively ripe, also obtains applying comparatively widely.But conventional electric power splicing fitting is Shortcomings part also, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
The object of this invention is to provide a kind of structure overhead transmission line electric power splicing fitting that comparatively rationally compact, anti-loosening effect is better, installation fastness is reliable and stable.
The technical scheme realizing the object of the invention is: a kind of overhead transmission line electric power splicing fitting, comprises matrix, plane nut, axial back-up ring and paw; Matrix is provided with slip pipe, the radially-directed spacing hole be arranged on slip pipe, the annular slot that is arranged on the gear platform on slip pipe periphery wall and is arranged on slip pipe periphery wall; Each radially-directed spacing hole comprises guiding slide opening and the anticreep slide opening of connection, and guiding slide opening is arranged on matrix slip pipe and forms a breach away from the edge of a side of axial back-up ring; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be arranged in guide runner portion; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; Each paw guide runner portion is provided with the guide part being arranged in guiding slide opening, the anti-delinking part being arranged in anticreep slide opening and the limiting section be positioned at outside matrix slip pipe; Axial back-up ring is fixed in the annular slot on matrix slip pipe periphery wall; Plane nut rotation is arranged on the periphery wall of matrix slip pipe, and between gear platform and axial back-up ring; The side that plane nut adjoins gear platform is provided with for driving threaded portion to engage adaptive flat thread portion with each paw; Flat thread portion is provided with archimedean spiral groove, and the driving threaded portion of each paw is the helicla flute with this archimedean spiral groove adaptation; Anticreep slide opening and guiding slide opening are combined to form T-shaped hole; The cross sectional shape that the guide part of each paw, anti-delinking part and limiting section are combined to form is I-shaped; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw towards slip pipe center close to each other or away from.
The present invention has positive effect: (1) the present invention drives paw clamping electric power cable by flat thread portion, compare with by traditional bolt assembly clamping electric power cable, larger pressure can be applied, and there is excellent anti-loosening effect, effectively ensure the reliability of long-term work.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 is for gold utensil shown in Fig. 1 is from a kind of perspective view during another angle views;
A kind of front view that Fig. 3 is gold utensil shown in Fig. 1;
Fig. 4 partly cuts open structural representation for the one of gold utensil shown in Fig. 1;
A kind of explosive view that Fig. 5 is gold utensil shown in Fig. 1;
Fig. 6 is for gold utensil shown in Fig. 1 is from a kind of explosive view during another angle views;
The explosive view that Fig. 7 decomposes further for gold utensil shown in Fig. 5;
Fig. 8 is a kind of perspective view of the second structure of the present invention;
Fig. 9 is for gold utensil shown in Fig. 8 is from a kind of perspective view during another angle views;
A kind of front view that Figure 10 is gold utensil shown in Fig. 8;
Figure 11 partly cuts open structural representation for the one of gold utensil shown in Fig. 8;
A kind of explosive view that Figure 12 is gold utensil shown in Fig. 8;
Figure 13 is for gold utensil shown in Fig. 8 is from a kind of explosive view during another angle views;
The explosive view that Figure 14 decomposes further for gold utensil shown in Figure 12;
Figure 15 is a kind of perspective view of the third structure of the present invention;
A kind of explosive view that Figure 16 is gold utensil shown in Figure 15;
Figure 17 is that the one of the present invention's the 4th kind of structure partly cuts open structural representation;
Figure 18 is that the one of the present invention's the 5th kind of structure partly cuts open structural representation.
Embodiment
(embodiment 1)
The present embodiment is a kind of overhead transmission line electric power splicing fitting, sees shown in Fig. 1 to Fig. 7, comprises matrix 1, plane nut 2, axial back-up ring 3 and paw 4; Matrix is provided with slip pipe 11, the radially-directed spacing hole 12 be arranged on slip pipe, be arranged on the gear platform 13 formed along the radial evagination of slip pipe on slip pipe periphery wall and the annular slot 14 formed along the radial indent of slip pipe be arranged on slip pipe periphery wall; The quantity of radially-directed spacing hole and gear platform is all four, and gear platform is positioned at base shaft one end upwards, and axial back-up ring is positioned at the base shaft other end upwards;
The quantity of paw 4 is identical with the quantity of radially-directed spacing hole 12, is also four, and each paw is arranged in a corresponding radially-directed spacing hole 12, and the radial direction of each paw along matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole reciprocatingly slides;
Each paw is provided with pressing plate portion 41, along the guide runner portion 43 that matrix slip pipe 11 radial direction extends to form and the driving threaded portion 44 that is 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 a deep-slotted chip breaker 45, and the deep-slotted chip breaker of multiple paw encloses formation one clamp hole 5.External cable is arranged in this clamp hole 5.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 42 on pressing plate portion inwall, and specifically, puncture is arranged on the inwall of each deep-slotted chip breaker, and each puncture is radially-inwardly protruded along matrix slip pipe 11.The existence of puncture, can not carry out peeling process to insulating power cable, effectively can connect electricity.In concrete practice, if what will clamp is bare wire, then can not puncture be set.
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 also can adopt alternate manner to make; Such as on the inwall in pressing plate portion, be provided with multiple installation draw-in groove, then installed in draw-in groove be inlaid in corresponding one by the die-cut piercing blade made, piercing blade comprises installation portion and thorn blade, and installation portion is inlaid in be installed in draw-in groove, and thorn blade then exposes installing card groove and forms puncture.The benefit of this structure is that piercing blade can adopt the material different with paw to make, and especially selects and treats that clamp cable same material used is made, and is conducive to obtaining better electrical gas performance.
Axial back-up ring 3 is fixed in the annular slot 14 on matrix slip pipe 11 periphery wall;
Plane nut 2 is ring-type, and plane nut sleeve is located on the periphery wall of matrix slip pipe 11, and between gear platform 13 and axial back-up ring 3; The internal perisporium of plane nut is the smooth inner wall with matrix slip pipe periphery wall adaptation, the periphery wall of plane nut is provided with fastening part 21, the side that plane nut adjoins gear platform is provided with flat thread portion 22, flat thread portion is provided with archimedean spiral groove, adaptation then engages with the driving threaded portion of paw in flat thread portion, and plane nut adjoins a side of axial back-up ring and axial back-up ring slides adjacent; The fastening part 21 of the present embodiment midplane nut is arranged on the multiple binding grooves on plane nut periphery wall, and the plurality of binding groove is evenly distributed on plane nut periphery wall.
In the present embodiment, each radially-directed spacing hole 12 comprises guiding slide opening 121 and anticreep slide opening 122, and guiding slide opening is arranged on the edge of matrix slip pipe away from a side of axial back-up ring, forms a breach, anticreep slide opening is communicated with guiding slide opening, and anticreep slide opening and guiding slide opening are combined to form T-shaped hole;
Each paw guide runner portion 43 is provided with and is arranged in the guiding guide part 431 of slide opening, the anti-delinking part 432 being arranged in anticreep slide opening and the limiting section 433 be positioned at 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 are combined to form is I-shaped; Each paw is run through along the radial direction of matrix slip pipe in the guide part 431 of each paw and anti-delinking part 432, and the inwall in the inwall of the guide part 431 of each paw, the inwall of anti-delinking part 432 and pressing plate portion 41 is equipped with multiple puncture; Threaded portion is driven 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 adaptation; Drive threaded portion to protrude to be arranged on the side end wall of anti-delinking part adjacent flat nut, make to drive threaded portion can not move in anticreep slide opening.
The present embodiment is when assembling, and can first plane nut sleeve is located on matrix slip pipe, clamping is axial back-up ring well; Again along the radial direction from outside to inside of matrix slip pipe, the guide part of each paw and anti-delinking part are filled in a corresponding radially-directed spacing hole 12, the driving threaded portion of paw is made to be crimped on the periphery in plane nut flat thread portion, turn plane nut, can make each paw close to each other towards matrix slip pipe center.
The present embodiment is when carrying out clamp operation, and adopt hook type spanner (also claiming hook spanner) operation, hook type spanner can drive plane nut around matrix slip pipe reciprocating rotation after catching on the binding groove on plane nut periphery wall; Plane nut is in reciprocating rotation, drive its flat thread portion reciprocating rotation, and then drive each paw by the driving threaded portion of engaging adaptation with it, because each paw can only move back and forth along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole 12, thus make 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 clamp hole 5.
The present embodiment is by being arranged on the centerline of electric power splicing fitting cable clamping, and its gravity centre distribution is comparatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration; In addition, the present embodiment drives paw clamping electric power cable by flat thread portion, compares with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, effectively ensures the reliability of long-term work.
(embodiment 2)
The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Fig. 8 to Figure 14, and the present embodiment also comprises the plug 6 being arranged in matrix slip pipe tube chamber; The periphery wall of plug 6 is axially arranged with four arc clip slots 61 along base tube center, in each arc clip slot, is provided with multiple puncture; Each arc clip slot is just arranged the deep-slotted chip breaker 45 on a corresponding paw inwall, and each arc clip slot and a corresponding deep-slotted chip breaker clamping form a clamp hole 5, so the present embodiment forms four clamp holes 5 altogether, can be used for clamping four cables simultaneously;
The periphery wall of plug is provided with four supporting and location flanges 62 protruded along matrix slip pipe radial direction, the internal perisporium of matrix slip pipe is provided with four positioning runners 15, each supporting and 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.
(embodiment 3)
The present embodiment is substantially identical with embodiment 1, difference is: see shown in Figure 15 and Figure 16, the present embodiment midplane nut periphery wall no longer arranges binding groove, but outer-hexagonal fastener head 21 is set, it is twisted operation tool and also no longer adopts hook type spanner, but adopts inner hexagon spanner, shfting wrench or fork spanner.
(embodiment 4)
The present embodiment is substantially identical with embodiment 1, difference is: as shown in Figure 17, the length of the matrix slip pipe in the present embodiment is slightly long, on the periphery wall of matrix slip pipe also sheathed be fixed with annular voltage transformer 7, because electric power cable passes from matrix slip pipe tube chamber, this voltage transformer can obtain lower induced voltage by induction mode, uses for the power supply as auxiliary equipment.Such as, the auxiliary equipment such as camera, temperature sensor, humidity sensor or the lightning stroke counter with wireless transmit/receive units can be fixedly installed in the bottom of matrix slip pipe, for monitoring in real time the environment around this wire clamp, and send real time information to distance host by wireless transmit/receive units, for power circuit intellectuality provides basic data; Voltage transformer in the present embodiment then stablizes continuable electric power supply for these auxiliary equipment provide.
(embodiment 5)
The present embodiment is substantially identical with embodiment 2, difference is: as shown in Figure 18, the length of the matrix slip pipe in the present embodiment is slightly long, on the periphery wall of matrix slip pipe also sheathed be fixed with annular current transformer 8, the present embodiment is for clamping three phase electric power cables, Current Transformer 8 is carried out leakage current to these three electric power cables and is detected in real time, with Timeliness coverage leak current fault.The present embodiment can use as high pressure zero sequence current mutual inductor.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, 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 exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1. an overhead transmission line electric power splicing fitting, is characterized in that: comprise matrix, plane nut, axial back-up ring and paw; Matrix is provided with slip pipe, the radially-directed spacing hole be arranged on slip pipe, the annular slot that is arranged on the gear platform on slip pipe periphery wall and is arranged on slip pipe periphery wall; Each radially-directed spacing hole comprises guiding slide opening and the anticreep slide opening of connection, and guiding slide opening is arranged on matrix slip pipe and forms a breach away from the edge of a side of axial back-up ring; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be arranged in guide runner portion; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; Each paw guide runner portion is provided with the guide part being arranged in guiding slide opening, the anti-delinking part being arranged in anticreep slide opening and the limiting section be positioned at outside matrix slip pipe; Axial back-up ring is fixed in the annular slot on matrix slip pipe periphery wall; Plane nut rotation is arranged on the periphery wall of matrix slip pipe, and between gear platform and axial back-up ring; The side that plane nut adjoins gear platform is provided with for driving threaded portion to engage adaptive flat thread portion with each paw; Flat thread portion is provided with archimedean spiral groove, and the driving threaded portion of each paw is the helicla flute with this archimedean spiral groove adaptation; Anticreep slide opening and guiding slide opening are combined to form T-shaped hole; The cross sectional shape that the guide part of each paw, anti-delinking part and limiting section are combined to form is I-shaped; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw towards slip pipe center close to each other or away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098949.9A CN105552807A (en) | 2016-01-15 | 2016-01-15 | Power splicing fitting for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098949.9A CN105552807A (en) | 2016-01-15 | 2016-01-15 | Power splicing fitting for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552807A true CN105552807A (en) | 2016-05-04 |
Family
ID=55831826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098949.9A Withdrawn CN105552807A (en) | 2016-01-15 | 2016-01-15 | Power splicing fitting for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552807A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249229A (en) * | 2017-12-29 | 2018-07-06 | 湖州品创孵化器有限公司 | A kind of cable reel |
| CN110702949A (en) * | 2018-07-09 | 2020-01-17 | 河南赛贝电子科技有限公司 | Intelligent power acquisition terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203679326U (en) * | 2014-01-24 | 2014-07-02 | 华南理工大学 | Novel flexible four-jaw chuck |
| 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 CN201610098949.9A patent/CN105552807A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203679326U (en) * | 2014-01-24 | 2014-07-02 | 华南理工大学 | Novel flexible four-jaw chuck |
| 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 |
|---|---|---|---|---|
| CN108249229A (en) * | 2017-12-29 | 2018-07-06 | 湖州品创孵化器有限公司 | A kind of cable reel |
| CN110702949A (en) * | 2018-07-09 | 2020-01-17 | 河南赛贝电子科技有限公司 | Intelligent power acquisition terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105552807A (en) | Power splicing fitting for overhead line | |
| CN105633632A (en) | Continuous wire clip for overhead insulation circuit | |
| CN105633614A (en) | Power connector clamp for power transmission and distribution | |
| CN105742847A (en) | Power circuit connection wire clamp | |
| CN105552805A (en) | Improved electric power fitting for overhead line | |
| CN105552806A (en) | Power splicing fitting with relatively good anti-looseness performance | |
| CN105552803A (en) | Line clamp for splicing power line | |
| CN105680186A (en) | High-voltage power connecting fitting with relatively high wire clamping strength | |
| CN105680389A (en) | Power connection fitting for overhead line | |
| CN105655746A (en) | Electric power match wire clip | |
| CN105552586A (en) | Power splicing fitting with relatively good anti-looseness effect | |
| CN105633651A (en) | Power connection fitting | |
| CN105633650A (en) | Power connection fitting for overhead circuit | |
| CN105552581A (en) | Piercing connector for power transmission and distribution | |
| CN105655732A (en) | Electric power splicing fitting for overhead circuit | |
| CN105633652A (en) | Electric power splicing fitting | |
| CN105552589A (en) | Line clamp for splicing high-voltage power line | |
| CN105742832A (en) | High-voltage power wire clamp | |
| CN105552804A (en) | Puncture line clamp for splicing power line | |
| CN105591339A (en) | Middle and high voltage power cable clamp | |
| CN105633617A (en) | Power clamp for overhead lines | |
| CN105633616A (en) | Power clamp for overhead lines | |
| CN105826719A (en) | Electric power fitting | |
| CN105655751A (en) | Electric power splicing fitting with good anti-loose effect | |
| CN105633636A (en) | Wire clamp for splicing overhead power line |
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: 20160504 |