CN105633651A - Power connection fitting - Google Patents
Power connection fitting Download PDFInfo
- Publication number
- CN105633651A CN105633651A CN201610098779.4A CN201610098779A CN105633651A CN 105633651 A CN105633651 A CN 105633651A CN 201610098779 A CN201610098779 A CN 201610098779A CN 105633651 A CN105633651 A CN 105633651A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- matrix
- slide opening
- periphery wall
- 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- Withdrawn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 power connection fitting. The power connection fitting comprises a base body, a flat nut, 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 communicating 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 nut is rotationally arranged on the outer circumference wall of the slide tube of the base body; the flat nut is provided with a plane thread part which is engaged and matched with the drive thread part of each press claw; and the flat nut drives the press claws to be close to or far away from the center of the slide tube. The power connection 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 electric power splicing fitting.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to electric power splicing fitting, two insulated conductors are linked together. Electric power splicing fitting 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 insulating power splicing fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional electric power splicing fitting 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 electric power splicing fitting 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 the electric power splicing fitting that a kind of effect compact, anti-loosening relatively reasonable in structure is better, installation fastness is reliable and stable.
The technical scheme realizing the object of the invention is: a kind of electric power splicing fitting, including matrix, plane nut, axial back-up ring and paw; The radially-directed spacing hole that matrix is provided with slip pipe, be arranged on slip pipe, the gear platform being arranged on slip pipe periphery wall and the annular slot being arranged on slip pipe periphery wall; Each radially-directed spacing hole includes 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, radially extend formation along matrix slip pipe guide runner portion and the driving threaded portion being arranged in guide runner portion; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; Each pressing plate portion clamping forms a clamp hole; Each paw guide runner portion is provided with the guide part in guiding slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section 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 at gear platform with axially between back-up ring; Plane nut adjoins a side of gear platform and is provided with the flat thread portion for driving threaded portion engagement adaptation with each paw; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw close to each other towards slip pipe center or away from.
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.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 be gold utensil shown in Fig. 1 from another angle observe time a kind of perspective view;
Fig. 3 is a kind of front view of gold utensil shown in Fig. 1;
Fig. 4 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation;
Fig. 5 is a kind of explosive view of gold utensil shown in Fig. 1;
Fig. 6 be gold utensil shown in Fig. 1 from another angle observe time a kind of explosive view;
Fig. 7 is the explosive view that gold utensil shown in Fig. 5 decomposes further;
Fig. 8 is a kind of perspective view of the second structure of the present invention;
Fig. 9 be gold utensil shown in Fig. 8 from another angle observe time a kind of perspective view;
Figure 10 is a kind of front view of gold utensil shown in Fig. 8;
Figure 11 is that shown in Fig. 8, the one of gold utensil partly cuts open structural representation;
Figure 12 is a kind of explosive view of gold utensil shown in Fig. 8;
Figure 13 be gold utensil shown in Fig. 8 from another angle observe time a kind of explosive view;
Figure 14 is the explosive view that gold utensil shown in Figure 12 decomposes further;
Figure 15 is a kind of perspective view of the third structure of the present invention;
Figure 16 is a kind of explosive view of gold utensil shown in Figure 15;
The one that Figure 17 is the 4th kind of structure of the present invention partly cuts open structural representation;
The one that Figure 18 is the 5th kind of structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of electric power splicing fitting, sees shown in Fig. 1 to Fig. 7, including matrix 1, plane nut 2, axial back-up ring 3 and paw 4; Matrix is provided with slip pipe 11, be arranged on slip pipe radially-directed spacing hole 12, the gear platform 13 formed along slip pipe radially evagination being arranged on slip pipe periphery wall and be arranged on slip pipe periphery wall along the slip pipe annular slot 14 that radially indent is formed; 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 each paw reciprocatingly slides along the radial direction of matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole;
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, and the arcuate groove of multiple paws 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, 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 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 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 piercing blade made, piercing blade includes installation portion and stings blade, and 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 that piercing blade can adopt the material different with paw to make, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferably electric property.
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 at gear platform 13 with axially between back-up ring 3; 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 adjoins a side of gear platform and 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 slides adjacent with axial back-up ring; The fastening part 21 of the present embodiment midplane nut is provided in 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 includes guiding slide opening 121 and anticreep slide opening 122, and guiding slide opening is arranged on the matrix slip pipe edge away from a side of axial back-up ring, forms a breach, anticreep slide opening connects with guiding slide opening, and anticreep slide opening and guiding slide opening combination form T-shaped hole;
Each paw guide runner portion 43 is provided with the guide part 431 in guiding 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 and 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.
The present embodiment, when assembling, can first be located at plane nut sleeve on matrix slip pipe, and card connects axial back-up ring; Again along matrix slip pipe radially direction from outside to inside, the guide part of each paw and anti-delinking part are filled in a corresponding radially-directed spacing hole 12, the threaded portion that drives making paw is 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, when carrying out clamp operation, adopts hook type spanner (also referred to as hook spanner) operation, and 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 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 clamp hole 5.
The present embodiment is by being arranged on cable clamping the centerline of electric power splicing fitting, 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.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 8 to Figure 14, and the present embodiment also includes the plug 6 being arranged in matrix slip pipe tube chamber; The periphery wall of plug 6 is provided with four 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 four clamp holes 5 altogether, can be used for simultaneously clamping on four cables;
The periphery wall of plug is provided with four supports along matrix slip pipe radially protruding and positions flange 62, the internal perisporium of matrix slip pipe is provided with four 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.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, it is different in that: 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 instrument and also no longer adopts hook type spanner, but adopts inner hexagon spanner, shfting wrench or fork spanner.
(embodiment 4)
The present embodiment and embodiment 1 are essentially identical, it is different in that: as shown in Figure 17, the length of the matrix slip pipe in the present embodiment is slightly longer, on the periphery wall of matrix slip pipe also sheathed be fixed with annular voltage transformer 7, owing to electric power cable passes from matrix slip pipe tube chamber, this voltage transformer can obtain relatively low induced voltage by induction mode, for using as the power supply of auxiliary equipment. Such as, the auxiliary equipment such as there is the photographic head of wireless transmit/receive units, temperature sensor, humidity sensor or lightning stroke counter can be fixedly installed in the bottom of matrix slip pipe, for the environment around this wire clamp is carried out monitor in real time, and send real time information to distance host by wireless transmit/receive units, provide basic data for power circuit intellectuality; Voltage transformer in the present embodiment then provides for these auxiliary equipment stablizes continuable electric energy supply.
(embodiment 5)
The present embodiment and embodiment 2 are essentially identical, it is different in that: as shown in Figure 16, the length of the matrix slip pipe in the present embodiment is slightly longer, on the periphery wall of matrix slip pipe also sheathed be fixed with annular current transformer 8, the present embodiment is used for clamping three phase electric power cables, these three electric power cables are carried out leakage current and detect in real time by Current Transformer 8, to find leak current fault in time. The present embodiment can use as high pressure zero sequence current mutual inductor.
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. an electric power splicing fitting, it is characterised in that: include matrix, plane nut, axial back-up ring and paw; The radially-directed spacing hole that matrix is provided with slip pipe, be arranged on slip pipe, the gear platform being arranged on slip pipe periphery wall and the annular slot being arranged on slip pipe periphery wall; Each radially-directed spacing hole includes 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, radially extend formation along matrix slip pipe guide runner portion and the driving threaded portion being arranged in guide runner portion; Threaded portion is driven to be arranged on a side of guide runner portion adjacent flat nut; Each pressing plate portion clamping forms a clamp hole; Each paw guide runner portion is provided with the guide part in guiding slide opening, is arranged in the anti-delinking part of anticreep slide opening and is positioned at the limiting section 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 at gear platform with axially between back-up ring; Plane nut adjoins a side of gear platform and is provided with the flat thread portion for driving threaded portion engagement adaptation with each paw; Plane nut drives its flat thread portion reciprocating rotation, so drive each paw close to each other towards slip pipe center or away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098779.4A CN105633651A (en) | 2016-01-15 | 2016-01-15 | Power connection fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098779.4A CN105633651A (en) | 2016-01-15 | 2016-01-15 | Power connection fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105633651A true CN105633651A (en) | 2016-06-01 |
Family
ID=56048342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098779.4A Withdrawn CN105633651A (en) | 2016-01-15 | 2016-01-15 | Power connection fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633651A (en) |
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 CN201610098779.4A patent/CN105633651A/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 |
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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 |