CN105680186A - High-voltage power connecting fitting with relatively high wire clamping strength - Google Patents
High-voltage power connecting fitting with relatively high wire clamping strength Download PDFInfo
- Publication number
- CN105680186A CN105680186A CN201610098778.XA CN201610098778A CN105680186A CN 105680186 A CN105680186 A CN 105680186A CN 201610098778 A CN201610098778 A CN 201610098778A CN 105680186 A CN105680186 A CN 105680186A
- Authority
- CN
- China
- Prior art keywords
- tube
- core pipe
- paw
- boss
- crimping
- 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- Withdrawn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
- 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
-
- 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
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention discloses a high-voltage power connecting fitting with relatively high wire clamping strength. The high-voltage power connecting fitting comprises a base tube, a core tube, a crimping element and a press claw component, wherein a plurality of wire clamping bosses are arranged on the inner circumference wall of the base tube; the core tube is located in a tube cavity of the base tube; radial limiting slide holes are formed in the tube wall of the core tube; an inner thread region is arranged on the inner wall of the core tube; the press claw component comprises a plurality of press claws; each press claw comprises a press plate part, a guide slide block part and a drive surface; the crimping element comprises a body, an outer thread region and a crimping boss; the outer thread region is arranged on the outer circumference wall of the body; the crimping boss is arranged at the inner side end of the columnar body; the outer thread region of the crimping element is matched with the inner thread region of the core tube; the drive surface of each press claw is matched with the outer circumference wall of the crimping boss; the crimping element drives the crimping boss to rotate and advance towards the tube cavity of the core tube when rotating along the preset direction; the crimping boss pushes the press claws by pushing the drive surfaces, so that the press plate parts move outwards along the radial direction of the core tube to clamp power cables in wire clamping holes. The high-voltage power connecting fitting has relatively good mechanical and electric properties.
Description
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to the high-tension electricity splicing fitting that a kind of clamp intensity is higher.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to gold utensil, two insulated conductors are linked together. Gold utensil 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 fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional gold utensil 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 gold utensil 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, the high-tension electricity splicing fitting that the reliable and stable clamp intensity of fastness is higher is installed.
The technical scheme realizing the object of the invention is: the high-tension electricity splicing fitting that a kind of clamp intensity is higher, including a base tube, a core pipe, a crimp and a set of paw assembly; The internal perisporium of base tube is provided with multiple clamp boss; Core pipe is arranged in base tube tube chamber; The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole includes the spacing slide opening of multiple radial direction; The inwall of core pipe is provided with internal threaded regions; Paw assembly includes multiple paw; Each paw includes pressing plate portion, protrudes the guide runner portion formed and the drive surface being arranged on guide runner portion from pressing plate portion; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each drive surface stretches in the tube chamber of core pipe, and each pressing plate portion is positioned between base tube inwall and core tube wall; Pressing plate portion and a corresponding clamp boss clamping of each paw form a clamp hole for clamping electric power cable; Crimp includes body, be arranged on body peripheral wall external screw thread district and the crimping boss being arranged on cylindrical body medial extremity, the external screw thread district of crimp and the internal threaded regions of core pipe are adaptive; The periphery wall of the drive surface of each paw and crimping boss is adaptive; The cross sectional shape of each radially spacing slide opening is I-shaped; The cross sectional shape in each guide runner portion is adaptive with radially spacing slide opening I-shaped; The inwall of each clamp boss is provided with arcuate groove; The outer wall in each paw pressing plate portion is provided with arc clip slot; Each arc clip slot and arcuate groove are provided with multiple puncture; Being provided with multiple installation draw-in groove in each arc clip slot and arcuate groove, each installation in draw-in groove is embedded with a piercing blade; Each sheet that punctures 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; Crimp along preset direction rotate time, crimping boss is driven to rotate while advancing in core pipe tube chamber, crimping boss promotes each paw by pushing each drive surface so that each pressing plate portion is moved radially outward along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
The present invention has positive effect: (1) crimp and base tube connect threadably, and makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect;(2) by cable clamping is arranged on core tube hub place so that overall 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 gold utensil shown in Fig. 1 from another angle observe time a kind of perspective view;
Fig. 3 is that shown in Fig. 1, the one of gold utensil faces structural representation;
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 a kind of explosive view after gold utensil shown in Fig. 1 removes base tube and crimp;
The one that Fig. 8 is the second structure of the present invention partly cuts open structural representation;
The one that Fig. 9 is the third structure of the present invention partly cuts open structural representation;
Figure 10 is a kind of structural representation of gold utensil shown in Fig. 9.
Detailed description of the invention
(embodiment 1)
The present embodiment is the high-tension electricity splicing fitting that a kind of clamp intensity is higher, sees shown in Fig. 1 to Fig. 7, including a base tube 2, crimp 3 of 1, core pipe and a set of paw assembly 8.
The internal perisporium of base tube is provided with multiple clamp boss 11, and the inwall of each clamp boss is provided with arcuate groove 111, and each clamp boss and arcuate groove are all axially extending along base tube. The internal perisporium of base tube is axially additionally provided with multiple positioning runner 12 along base tube.
Core pipe and base tube are arranged concentrically, and core pipe is arranged in base tube tube chamber; 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; The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole includes four spacing slide openings 22 of radial direction, and these four spacing slide openings of radial direction are evenly distributed on core tube wall along core pipe circumference; 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 cross sectional shape of each radially spacing slide opening is I-shaped. The inwall of core pipe is provided with internal threaded regions 23.
In concrete practice, the cross sectional shape of guiding slide opening may be used without other shape, for instance circular, square, rhombus, is all feasible.
Paw assembly 8 includes four paws 4;
Each paw includes pressing plate portion 41, from the guide runner portion 42 of the inwardly projecting formation of inwall in pressing plate portion and the drive surface 43 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 411; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each drive surface stretches in the tube chamber of core pipe, and 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 cross sectional shape in each guide runner portion is adaptive with radially spacing slide opening I-shaped.
A corresponding clamp boss clamping in the pressing plate portion of each paw and base tube forms a clamp hole 5 for clamping electric power cable; In the present embodiment, the arc clip slot in each pressing plate portion and the arcuate groove clamping of a corresponding clamp boss form the clamp hole 5 for clamping electric power cable; The present embodiment forms four clamp holes altogether.
Crimp 3 includes cylindrical body 31, the external screw thread district 32 being arranged on cylindrical body periphery wall, the fastening part 33 being arranged on cylindrical body outboard end and the crimping boss 34 being arranged on cylindrical body medial extremity, crimping boss be shaped as circular cone shape;The external screw thread district of crimp and the internal threaded regions of core pipe are adaptive; Crimping axially extending along base tube of boss, and it is arranged in core pipe tube chamber.
In the present embodiment, the drive surface of each paw is the curved surface of and crimping boss periphery wall adaptation, and in concrete practice, this drive surface also can be selected for inclined-plane.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of the slide opening that leads in each group of pilot hole, can select between two to five.
The present embodiment, in order to connect electricity from insulating power cable or promote chuck strength, is also provided with multiple puncture 6 in each arc clip slot and arcuate groove; Specifically, the radially protruding along core pipe is respectively punctured. The existence punctured, it is possible to without insulating power cable is 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 puncture is made when casting forming; In concrete practice, puncture may be used without alternate manner and makes; In each arc clip slot and arcuate groove, be such as provided with multiple installation draw-in groove, then install 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. In concrete practice, it is also possible to adopt in the mode being threaded in each arc clip slot and arcuate groove, also can improving clamping sigma compactness energy.
Crimp along preset direction rotate time, crimping boss is driven to rotate while advancing in core pipe tube chamber, crimping boss promotes each paw by pushing each drive surface so that each pressing plate portion is moved radially outward along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
The present embodiment has following Advantageous Effects: (1) crimp and core pipe connect threadably, and pushes the drive surface of each paw by crimping boss, and then promotes each paw to move along core pipe radial direction; Its operation is comparatively laborsaving, and has good anti-loosening effect.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 8, and the present embodiment also includes current transformer 7; This current transformer includes toroidal inductive body 71 and intelligent control module 72; In the present embodiment, intelligent control module 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are arranged side by side combination and form annular, on the overall sheathed periphery wall being fixed on base tube of current transformer. In concrete practice, current transformer also can be fixedly installed on the tube wall of core pipe, as long as making all clamp holes be arranged in the vestibule of toroidal inductive body, namely has only to so that the vestibule of cable traverse toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, and the leakage current signal that intelligent control module is sensed annular base tube by wireless transmit/receive units sends distance host to, to realize the long-range no worker monitor of precision, finds leak current fault in time.
The present embodiment can use as a zero sequence current mutual inductor.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 9 to Figure 10, and the present embodiment also includes current transformer 7;This current transformer includes toroidal inductive body 71 and intelligent control module 72; In the present embodiment, on the annular perception sensing sheathed periphery wall being fixed on base tube of body; The periphery wall of base tube is provided with the routing hole 13 extending radially through tube wall; Base tube inwall, core tube wall, clamp boss, support between flange, paw pressing plate portion clamping form multiple containing cavity 73, intelligent control module is arranged in containing cavity; The electric connection line described routing hole of traverse between toroidal inductive body and intelligent control module. This structure can make full use of space, is conducive to the small-sized and integrated of entirety.
Intelligent control module can include wireless transmit/receive units, and the leakage current signal that intelligent control module is sensed annular base tube by wireless transmit/receive units sends distance host to, to realize the long-range no worker monitor of precision, finds leak current fault in time.
The present embodiment can use as a 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. the high-tension electricity splicing fitting that a clamp intensity is higher, it is characterised in that: include a base tube, a core pipe, a crimp and a set of paw assembly; The internal perisporium of base tube is provided with multiple clamp boss; Core pipe is arranged in base tube tube chamber; The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole includes the spacing slide opening of multiple radial direction; The inwall of core pipe is provided with internal threaded regions; Paw assembly includes multiple paw; Each paw includes pressing plate portion, protrudes the guide runner portion formed and the drive surface being arranged on guide runner portion from pressing plate portion; Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each drive surface stretches in the tube chamber of core pipe, and each pressing plate portion is positioned between base tube inwall and core tube wall; Pressing plate portion and a corresponding clamp boss clamping of each paw form a clamp hole for clamping electric power cable; Crimp includes body, be arranged on body peripheral wall external screw thread district and the crimping boss being arranged on cylindrical body medial extremity, the external screw thread district of crimp and the internal threaded regions of core pipe are adaptive; The periphery wall of the drive surface of each paw and crimping boss is adaptive; The cross sectional shape of each radially spacing slide opening is I-shaped; The cross sectional shape in each guide runner portion is adaptive with radially spacing slide opening I-shaped; The inwall of each clamp boss is provided with arcuate groove; The outer wall in each paw pressing plate portion is provided with arc clip slot; Each arc clip slot and arcuate groove are provided with multiple puncture; Being provided with multiple installation draw-in groove in each arc clip slot and arcuate groove, each installation in draw-in groove is embedded with a piercing blade; Each sheet that punctures 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; Crimp along preset direction rotate time, crimping boss is driven to rotate while advancing in core pipe tube chamber, crimping boss promotes each paw by pushing each drive surface so that each pressing plate portion is moved radially outward along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098778.XA CN105680186A (en) | 2016-01-15 | 2016-01-15 | High-voltage power connecting fitting with relatively high wire clamping strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098778.XA CN105680186A (en) | 2016-01-15 | 2016-01-15 | High-voltage power connecting fitting with relatively high wire clamping strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105680186A true CN105680186A (en) | 2016-06-15 |
Family
ID=56304934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098778.XA Withdrawn CN105680186A (en) | 2016-01-15 | 2016-01-15 | High-voltage power connecting fitting with relatively high wire clamping strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105680186A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029997A (en) * | 2019-03-29 | 2020-04-17 | 淮安信息职业技术学院 | Fixing device for computer communication engineering cable |
| CN116914673A (en) * | 2023-09-13 | 2023-10-20 | 常熟虞星光电科技有限公司 | Electric power fitting for fixing optical cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
-
2016
- 2016-01-15 CN CN201610098778.XA patent/CN105680186A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029997A (en) * | 2019-03-29 | 2020-04-17 | 淮安信息职业技术学院 | Fixing device for computer communication engineering cable |
| CN116914673A (en) * | 2023-09-13 | 2023-10-20 | 常熟虞星光电科技有限公司 | Electric power fitting for fixing optical cable |
| CN116914673B (en) * | 2023-09-13 | 2024-01-16 | 常熟虞星光电科技有限公司 | Electric power fitting for fixing optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160615 |
|
| WW01 | Invention patent application withdrawn after publication |