CN105633639A - Electric power wire-clamping fitting - Google Patents
Electric power wire-clamping fitting Download PDFInfo
- Publication number
- CN105633639A CN105633639A CN201610097649.9A CN201610097649A CN105633639A CN 105633639 A CN105633639 A CN 105633639A CN 201610097649 A CN201610097649 A CN 201610097649A CN 105633639 A CN105633639 A CN 105633639A
- Authority
- CN
- China
- Prior art keywords
- pressing
- paw
- plate portion
- core tube
- pressure ring
- 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- Withdrawn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 an electric power wire-clamping fitting. The electric power wire-clamping fitting comprises a core tube, two pressing rings and two sets of pressing claw assemblies, wherein two group of guiding holes are formed in the tube wall of the core tube in parallel; each guiding hole group comprises three radial guiding holes; each pressing claw assembly set comprises three pressing claws; each pressing claw is equipped with a pressing plate part, a guiding sliding block part and a driving plate part; each pressing plate part is positioned in the core tube cavity; the three pressing plate parts are clamped to form a wire-clamping hole; each pressing claw slides back and forth along one corresponding radial guiding hole; each pressing ring is rotationally arranged on the outer circumferential wall of the core tube; one side end of each pressing ring is glidingly bordered on the guiding sliding block part of the corresponding one pressing claw assembly set; three helical grooves, which are adapted with the three driving plate parts in the corresponding one pressing claw assembly set, are formed in each pressing ring; the driving plate part of each pressing claw is positioned in the corresponding one helical groove; and each rotating pressing ring pushes and presses the driving plate part of the corresponding one pressing claw through the helical grooves so as to push the pressing plate part in the corresponding one pressing claw assembly set to slide towards the center of the core tube. The electric power wire-clamping fitting has a relatively good wire-clamping effect.
Description
Technical field
Overhead transmission line electric power clamp gold utensil technical field of the present invention, is specifically related to a kind of electric power clamp gold utensil.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to electric power clamp gold utensil, two insulated conductors are linked together. Electric power clamp 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 insulating power clamp gold utensil to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional electric power clamp 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 conventional electric power clamp gold utensil 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 a kind of electric power clamp gold utensil with double shield and better anti-loosening effect.
The technical scheme realizing the object of the invention is: a kind of electric power clamp gold utensil, including a core pipe, two pressure rings and two casing pressure claw assemblies; Being provided with two groups of pilot holes on core tube wall side by side, each group pilot hole and a set of paw assembly are adaptive; Each group pilot hole includes three radially-directed holes; Each casing pressure claw assembly includes three paws; Each paw is provided with pressing plate portion, guide runner portion and driver plate portion; Each pressing plate portion is arranged in core pipe tube chamber, and three pressing plate portion clampings in each casing pressure claw assembly form a clamp hole; Core tube wall is stretched out in the outer end in the guide runner portion of paw, and each driver plate portion is positioned at outside core tube wall; Each paw reciprocatingly slides along a corresponding radially-directed hole; Each pressure ring rotates and is arranged on the periphery wall of core pipe, and the guide runner portion in a side of each pressure ring and corresponding a set of paw assembly slides adjacent; The end wall that each pressure ring and guide runner portion adjoin is provided with three helicla flutes, and these three helicla flutes are adaptive with three driver plate portions in corresponding a set of paw assembly respectively; The driver plate portion of each paw is arranged in a corresponding helicla flute; The driver plate portion of each paw is provided in the flange axially projecting along core pipe in each guide runner portion, and the outboard end of flange is provided with chisel teeth; Each helicla flute includes the anticreep district that connects with pressure ring vestibule and the accommodating area away from pressure ring vestibule; The diapire in anticreep district is provided with the wedge shape anticreep tooth that multiple and paw chisel teeth is adaptive; Accommodating area is smooth chute; When the chisel teeth in each pressing plate portion is clamped on the wedge shape anticreep tooth in corresponding anticreep district, wedge shape anticreep tooth prevents pressure ring from reversing; Pushed the driver plate portion of a corresponding paw when each pressure ring rotates by helicla flute, and then promote the pressing plate portion in corresponding a set of paw assembly to slide towards core tube hub.
The present invention has positive effect: (1) present invention adopts two casing pressure claw assemblies to be clamped on same cable, and drive corresponding a set of paw assembly respectively by two pressure rings, the clamp operation making each casing pressure claw assembly can individually carry out, this structure has the effect of double shield, in use go wrong even if wherein a set of, also have its service behaviour of another set of guarantee. (2) present invention drives paw clamping electric power cable by helicla flute, compares with by traditional bolt assembly clamping electric power cable, has the anti-loosening effect of excellence, be 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 is a kind of front view of electric power clamp gold utensil shown in Fig. 1;
The one that Fig. 3 is electric power clamp gold utensil shown in Fig. 1 partly cuts open structural representation;
Fig. 4 is a kind of explosive view of electric power clamp gold utensil shown in Fig. 1;
Fig. 5 is a kind of explosive view after electric power clamp gold utensil shown in Fig. 1 removes pressure ring;
Fig. 6 is a kind of perspective view of the second structure of the present invention;
Fig. 7 is a kind of front view of electric power clamp gold utensil shown in Fig. 6;
The one that Fig. 8 is electric power clamp gold utensil shown in Fig. 6 partly cuts open structural representation;
Fig. 9 is a kind of explosive view of electric power clamp gold utensil shown in Fig. 6;
Figure 10 is a kind of explosive view after electric power clamp gold utensil shown in Fig. 6 removes pressure ring;
The one that Figure 11 is the third 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 clamp gold utensil, sees shown in Fig. 1 to Fig. 5, including 2, two pressure rings of a core pipe 1 and two casing pressure claw assemblies 3.
Core pipe periphery wall is provided with the annular gear platform 21 of evagination; Being provided with two groups of pilot holes on core tube wall vertically side by side, each group pilot hole and a set of paw assembly are adaptive; Each group pilot hole includes three radially-directed holes 23, and these three radially-directed holes are evenly distributed on core tube wall along core pipe circumference; In the present embodiment, each radially-directed hole extends radially through core tube wall along core pipe.
Each radially-directed hole 23 includes the guiding slide opening 231 and the anticreep slide opening 232 that axially set gradually along core pipe; Guiding slide opening is arranged on the edge of core pipe two side ends, and anticreep slide opening connects with guiding slide opening; The radial cross-sectional shape in each radially-directed hole is T-shaped; Each radially-directed hole 23 forms a breach being positioned at core tube edges place.
Each casing pressure claw assembly all includes three paws 5; Each paw is provided with pressing plate portion 51, along the guide runner portion 52 that core pipe radially extends and the driver plate portion 53 that is arranged in guide runner portion; The driver plate portion of each paw is provided in the flange axially projecting along core pipe in each guide runner portion, and the outboard end of this flange is provided with chisel teeth 54.
Each pressing plate portion is respectively positioned in core pipe tube chamber, and core tube wall is stretched out in the outer end in the guide runner portion of each paw, and each driver plate portion is positioned at outside core tube wall; Each guide runner portion 52 includes guide part 521 and anti-delinking part 522, and guide part is arranged in the guiding slide opening in a corresponding radially-directed hole, and anti-delinking part is arranged in the anticreep slide opening in a corresponding radially-directed hole; The radial cross-sectional shape of guide part and anti-delinking part is adaptive with radially-directed hole T-shaped. Each paw is under the spacing of radially-directed hole and guide effect, along core caliber to reciprocatingly sliding; The inwall in each pressing plate portion is provided with arcuate groove 55, and in each casing pressure claw assembly, the arcuate groove of three paws encloses the formation one clamp hole 61 for clamping connection electric power cable.
Two pressure rings 1 rotate and are arranged on the periphery wall of core pipe, and the both sides of separation annular gear platform; The internal perisporium of each pressure ring is the smooth inner wall adjacent with the slip of core pipe periphery wall; The periphery wall of each pressure ring is provided with multiple binding groove 11; One side of each pressure ring and annular gear platform slide adjacent, and another side and the guide runner portion in corresponding a set of paw assembly slide adjacent; In the present embodiment, the end wall adjacent with guide runner portion of each pressure ring is provided with three helicla flutes 12, and these three helicla flutes and three driver plate portions in corresponding a set of paw assembly are adaptive.
In the present embodiment, each helicla flute includes the anticreep district 121 that connects with pressure ring vestibule 13 and the accommodating area 122 away from pressure ring vestibule; The diapire in anticreep district is provided with multiple wedge shape anticreep tooth 123, and the chisel teeth of each wedge shape anticreep tooth and paw is adaptive; Accommodating area is smooth chute; The present embodiment, when operation, adopts the binding groove that hook type spanner catches on pressure ring to twist pressure ring.
The driver plate portion of each paw is arranged in a corresponding helicla flute; Each helicla flute is along with pressure ring synchronous axial system so that a corresponding driver plate portion is from being positioned at accommodating area to being positioned at anticreep district, namely this driver plate portion is produced pushing effect; Paw in the present embodiment, in each pressure ring individually corresponding a set of paw assembly so that the pressing plate portion in each casing pressure claw assembly is close to each other towards core tube hub, thus clamping is arranged in the electric power cable in clamp hole.
When the chisel teeth in each pressing plate portion is clamped on the wedge shape anticreep tooth in corresponding anticreep district, wedge shape anticreep tooth prevents pressure ring from reversing, so that the present embodiment has good anti-loosening effect.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 62 in each arcuate groove; Specifically, respectively puncture along core pipe radially protruding. 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 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.
The present embodiment is by being arranged on cable clamping at the longitudinal center line place of electric power clamp gold utensil, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration; Additionally, each paw is positioned by the present embodiment by having the slope groove of wedge shape anticreep tooth, it is possible to play the technique effect preventing from falling back, and compares with by traditional bolt assembly clamping electric power cable, in anti-loosening effect particularly excellent, be effectively ensured the reliability of long-term work.
The present embodiment adopts two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe, in use goes wrong even if wherein a set of, also has its service behaviour of another set of guarantee.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 6 to Figure 10, and the present embodiment also includes the plug 7 being arranged in core pipe tube chamber; The periphery wall of plug is provided with three arc clip slots 71, and each arc clip slot is axially extending along core pipe, and the arcuate groove on a corresponding paw inwall is just arranged by each arc clip slot; Each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 61; So the present embodiment can form three clamp holes, can be used for simultaneously clamping on three cables.
The periphery wall of plug is provided with four the support location flanges 72 protruded along core pipe radial direction, the internal perisporium of core pipe is provided with four positioning runners 24, each outboard end supporting location flange is embedded in a corresponding positioning runner, thus plug is positioned in the tube chamber of matrix slip pipe.
Each arc clip slot in the present embodiment also is provided with puncture.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 11, and the present embodiment also includes voltage transformer 8; This voltage transformer includes annular matrix 81 and intelligent control module; In the present embodiment, on the end wall of the adjacent annular gear platform of a pressure ring, it is provided with annular arrangements groove; This voltage transformer is fixed in the resettlement groove of pressure ring; Pressure ring periphery wall is still provided with binding groove. Intelligent control module can include wireless transmit/receive units, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to, to realize the long-range no worker monitor of precision; This structure can make full use of space, is conducive to the small-sized and integrated of entirety. The present embodiment can use as a high-voltage 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 clamp gold utensil, it is characterised in that: include a core pipe, two pressure rings and two casing pressure claw assemblies; Being provided with two groups of pilot holes on core tube wall side by side, each group pilot hole and a set of paw assembly are adaptive; Each group pilot hole includes three radially-directed holes; Each casing pressure claw assembly includes three paws; Each paw is provided with pressing plate portion, guide runner portion and driver plate portion; Each pressing plate portion is arranged in core pipe tube chamber, and three pressing plate portion clampings in each casing pressure claw assembly form a clamp hole; Core tube wall is stretched out in the outer end in the guide runner portion of paw, and each driver plate portion is positioned at outside core tube wall; Each paw reciprocatingly slides along a corresponding radially-directed hole; Each pressure ring rotates and is arranged on the periphery wall of core pipe, and the guide runner portion in a side of each pressure ring and corresponding a set of paw assembly slides adjacent; The end wall that each pressure ring and guide runner portion adjoin is provided with three helicla flutes, and these three helicla flutes are adaptive with three driver plate portions in corresponding a set of paw assembly respectively; The driver plate portion of each paw is arranged in a corresponding helicla flute; The driver plate portion of each paw is provided in the flange axially projecting along core pipe in each guide runner portion, and the outboard end of flange is provided with chisel teeth; Each helicla flute includes the anticreep district that connects with pressure ring vestibule and the accommodating area away from pressure ring vestibule; The diapire in anticreep district is provided with the wedge shape anticreep tooth that multiple and paw chisel teeth is adaptive; Accommodating area is smooth chute; When the chisel teeth in each pressing plate portion is clamped on the wedge shape anticreep tooth in corresponding anticreep district, wedge shape anticreep tooth prevents pressure ring from reversing; Pushed the driver plate portion of a corresponding paw when each pressure ring rotates by helicla flute, and then promote the pressing plate portion in corresponding a set of paw assembly to slide towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097649.9A CN105633639A (en) | 2016-01-15 | 2016-01-15 | Electric power wire-clamping fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097649.9A CN105633639A (en) | 2016-01-15 | 2016-01-15 | Electric power wire-clamping fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105633639A true CN105633639A (en) | 2016-06-01 |
Family
ID=56048330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097649.9A Withdrawn CN105633639A (en) | 2016-01-15 | 2016-01-15 | Electric power wire-clamping fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633639A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202151702U (en) * | 2011-07-05 | 2012-02-29 | 湖北三江航天险峰电子信息有限公司 | Tool for centring and clamping large-scale rotational part |
| 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 CN201610097649.9A patent/CN105633639A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202151702U (en) * | 2011-07-05 | 2012-02-29 | 湖北三江航天险峰电子信息有限公司 | Tool for centring and clamping large-scale rotational part |
| 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 |
Application publication date: 20160601 |
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| WW01 | Invention patent application withdrawn after publication |