CN105846117A - Electric power fitting - Google Patents

Electric power fitting Download PDF

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Publication number
CN105846117A
CN105846117A CN201610093486.7A CN201610093486A CN105846117A CN 105846117 A CN105846117 A CN 105846117A CN 201610093486 A CN201610093486 A CN 201610093486A CN 105846117 A CN105846117 A CN 105846117A
Authority
CN
China
Prior art keywords
paw
groove
pressure
radially
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Withdrawn
Application number
CN201610093486.7A
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Chinese (zh)
Inventor
胡小青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610093486.7A priority Critical patent/CN105846117A/en
Publication of CN105846117A publication Critical patent/CN105846117A/en
Withdrawn legal-status Critical Current

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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
    • 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

  • Clamps And Clips (AREA)

Abstract

The invention discloses an electric power fitting, which includes a pressure ring, a core tube and pressure jaw assemblies. The pressure ring is disposed rotatably on the outer circumference of the core tube. The pressure ring comprises a ratchet ring provided with a plurality of slope grooves in the inner circumference. A plurality of wedge-shaped anti-dropping teeth are disposed in the slope grooves. A plurality of radial guiding holes are formed in the wall of the core tube. Each pressure jaw assembly comprises pressure jaws and a reset spring. Each pressure jaw includes a pressure plate portion and a radial sliding column. The outer side end of each radial sliding column is provided with wedge-shaped teeth. The pressure plate portion of each pressure jaw is positioned in a cavity of the core tube. The radial sliding columns of the pressure jaws pass through the respective radial guiding holes. The top of each of the wedge-shaped teeth is connected to the corresponding one of the wedge-shaped anti-dropping teeth. The ratchet rings rotate to drive the wedge-shaped anti-dropping teeth to rotate, so as to drive the pressure plate portions of the pressure jaws to move toward the center of the core tube by top pressure of the radial sliding columns of the pressure jaws. The invention has a relatively good electrical property.

Description

A kind of electric armour clamp
Technical field
Overhead transmission line electric armour clamp technical field of the present invention, is specifically related to a kind of electric armour clamp.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need to be led by two eradication edge with gold utensil Line links together.Gold utensil has simple installation, low cost, safe and reliable non-maintaining feature.Without block leader cable, without The insulating barrier peelling off cable can do cable branch, and joint is completely insulated, can livewire work, can show in cable optional position Field branch；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, anticorrosion is aging；Use insulation fitting does 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, its spiral shell Female preferably torque nut, its structure is the most ripe, also obtains relatively broad application.But tradition gold utensil there is also deficiency Place, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
It is an object of the invention to provide a kind of brand new, the electric armour clamp that fastness is reliable and stable is installed.
The technical scheme realizing the object of the invention is: a kind of electric armour clamp, including pressure ring, core pipe and paw assembly；Pressure ring Rotation is arranged on core pipe periphery wall；Pressure ring includes that internal perisporium is provided with the spine ring of multiple slopes groove；Each slope groove is provided with many Individual wedge shape anticreep tooth；Core tube wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides multiple for paw The back-moving spring of position elastic force；Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；Each radially traveller Outboard end is provided with the chisel teeth adaptive with the wedge shape anticreep tooth in the groove of spine ring slope；The pressing plate portion of each paw is positioned at core pipe tube chamber In, the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, On the chisel teeth apical grafting on each radially traveller wedge shape anticreep tooth in a corresponding slope groove；Wedge shape is driven to prevent when spine ring rotates De-tooth rotates, and presses the radial direction traveller of each paw to drive each paw pressing plate portion to move towards core tube hub by top.
In technique scheme, each arcuate groove is provided with multiple installation draw-in groove, each installation draw-in groove is embedded with one and wears Bayonet sheet；Puncturing sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation card flute profile Become to puncture.
In technique scheme, each arcuate groove is provided with multiple puncture；Each paw is the one made by casting forming Part, each puncture is made when casting forming.
In technique scheme, radially-directed hole is arranged on the tube wall between annular gear platform and annular groove；Respectively Radially-directed hole extends radially through core tube wall along core pipe；Accommodating hole and guiding slide opening set gradually along direction from outside to inside, hold Putting hole and guiding slide opening is all circular hole, the aperture of accommodating hole is more than the aperture of guiding slide opening, the cross sectional shape in each radially-directed hole It is T-shaped.
Each paw is positioned by the present invention by having the slope groove of wedge shape anticreep tooth, can play the skill preventing from falling back Art effect, compares with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, and length is effectively ensured The reliability of phase work.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is a kind of explosive view of gold utensil shown in Fig. 1；
Fig. 5 is a kind of explosive view after gold utensil shown in Fig. 1 removes pressure ring and back-up ring；
Fig. 6 is a kind of perspective view of the second structure of the present invention；
Fig. 7 is that shown in Fig. 6, the one of gold utensil partly cuts open structural representation；
Fig. 8 is the B-B sectional view of gold utensil shown in Fig. 7；
Fig. 9 is a kind of explosive view after gold utensil shown in Fig. 6 removes pressure ring and back-up ring；
Figure 10 is a kind of perspective view of gold utensil core pipe shown in Fig. 6；
Figure 11 is that the one of the third structure of the present invention partly cuts open structural representation；
Figure 12 is the C-C sectional view of gold utensil shown in Figure 11；
Figure 13 is a kind of perspective view of gold utensil core pipe shown in Figure 11；
Figure 14 is that the one of the 4th 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 armour clamp, as shown in Fig. 1 to Fig. 5, including 2, four pressures of 1, core pipe of a pressure ring Claw assembly 3 and an axial back-up ring 4.
Pressure ring 1 includes spine ring 11, two clamping connection rings 12 of separation spine ring both sides and multiple connecting rivet 13, two clamping connections Ring clamping spine ring, connecting rivet axially penetrates through described spine ring and two clamping connection rings along core pipe, thus by spine ring and two clamping connection rings It is fixedly connected into an entirety.The internal perisporium of spine ring is provided with multiple slopes groove 111, is provided with multiple wedge shape anticreep in the groove of each slope Tooth 112；In the present embodiment, the internal perisporium of spine ring and the internal perisporium of clamping connection ring are coplanar, the periphery wall of spine ring and the periphery of clamping connection ring Wall is coplanar；The periphery wall of pressure ring is provided with multiple binding groove 14 axially penetrating through whole pressure ring along core pipe, pressure ring twist operation Use hook type spanner (being commonly called as hook spanner).In concrete practice, the internal diameter of clamping connection ring also can be slightly smaller than the internal perisporium of spine ring. Slope groove in the present embodiment refer to depth of groove pass through gradually be incremented by groove.
The periphery wall of core pipe 2 is provided with annular gear platform 21 and the annular groove 22 of indent of evagination, and core pipe is being positioned at annular Tube wall between gear platform and annular groove is provided with multiple radially-directed hole 23；In the present embodiment, each radially-directed hole is along core pipe Extending radially through core tube wall, each radially-directed hole includes the accommodating hole 231 of connection and guides slide opening 232, and accommodating hole and guiding are sliding Hole sets gradually along direction from outside to inside, and accommodating hole and guiding slide opening are all circular holes, and the aperture of accommodating hole is more than guiding slide opening Aperture, the cross sectional shape in each radially-directed hole is T-shaped.Axially back-up ring is arranged in the annular groove of core pipe.Pressure ring rotates Being arranged on core pipe periphery wall, the two side ends of pressure ring is slided adjacent with annular gear platform and axial back-up ring respectively.
Paw assembly 3 includes multiple paw 31, the back-moving spring 32 providing reseting elasticity for paw and is fixedly installed on each Mat 33 on paw；Each paw includes pressing plate portion 311, the radial direction traveller 312 being arranged on pressing plate portion outer wall, is arranged on radially Annular slot 313 on traveller periphery wall；Guiding slide opening in each radially traveller and radially-directed hole is adaptive, and each radially traveller exists Along core caliber to reciprocatingly sliding under the position-limiting action of guiding slide opening；The outboard end of each radially traveller is provided with chisel teeth 34；Each wedge shape Wedge shape anticreep tooth in tooth and spine ring slope groove is adaptive.Each mat is fixed on the annular slot of a corresponding radial direction traveller In, each back-moving spring is set in corresponding one radially on traveller, and each back-moving spring is connected to along core caliber outer end upwards accordingly In one annular mat, back-moving spring is connected on the diapire of accommodating hole along core caliber the inner upwards；
The pressing plate portion of each paw is positioned in core pipe tube chamber, and the radial direction traveller of each paw is through corresponding on core tube wall Radially-directed hole, under the elastic force effect of back-moving spring, the chisel teeth apical grafting on each radially traveller spine ring corresponding one tiltedly On wedge shape anticreep tooth in the groove of slope.Under the position-limiting action of slope groove and chisel teeth, the pressure ring in the present embodiment is only along one Individual direction is twisted, and has anti-retrogression namely anti-loosening technique effect.
The inwall in each paw pressing plate portion is provided with arcuate groove 314, in the present embodiment, and the arcuate groove clamping in each paw pressing plate portion Form one for the clamp hole 5 clamping electric power cable.
The present embodiment, in order to connect electricity on insulating power cable, is also provided with multiple puncture 6 in each arcuate groove；Concrete next Say, respectively puncture along core pipe radially protruding.The existence punctured, can be without carrying out peeling process, Ji Keyou to insulating power cable Effect connects electricity.In concrete practice, if to be clamped 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, such as it is provided with multiple installation draw-in groove, then logical Cross the die-cut puncture sheet made to be inlaid in a corresponding installation draw-in groove；Puncturing sheet and include installation portion and thorn blade, installation portion is embedding Being contained in installation draw-in groove, thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure be puncture sheet can use and The different material of paw is made, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferable electrical resistance Energy.
The present embodiment, when operation, uses hook type spanner to twist pressure ring so that pressure ring drives the wedge shape in its slope groove to prevent De-tooth rotates, owing to each back-moving spring stress can deform shortening so that the chisel teeth of each pressing plate radially traveller is towards slope groove The side shifting that middle groove depth is shallower, so make the pressing plate portion of each paw along the radially-inwardly sliding of core pipe, thus clamping be positioned at folder Electric power cable in string holes.
The present embodiment is by being arranged on cable clamping at the longitudinal center line of gold utensil, and its gravity centre distribution is relatively reasonable, when Time on the overhead power line of high-altitude, be conducive to alleviating vibration；It addition, the present embodiment is by having the slope of wedge shape anticreep tooth Each paw is positioned by groove, can play the technique effect preventing from falling back, and by traditional bolt assembly clamping electric lines of force Cable is compared, particularly excellent in anti-loosening effect, and the reliability of long-term work is effectively ensured.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 6 to Figure 10, and the present embodiment also includes It is positioned at the plug 7 in core pipe tube chamber；The periphery wall of plug is provided with multiple arc clip slot 71, and each arc clip slot axially prolongs along core pipe Stretching, the arcuate groove on a corresponding paw inwall is just arranged by each arc clip slot；Each arc clip slot and corresponding arcuate groove folder Close and form a clamp hole 5；So the present embodiment can form four clamp holes, can be used for simultaneously clamping on four 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 Being provided with four positioning runners 24, each outboard end supporting location flange is embedded in a corresponding positioning runner, thus core Rod is positioned in the tube chamber of matrix slip pipe.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Figure 11 to Figure 13, and the present embodiment also wraps Include voltage transformer 8；This voltage transformer includes annular matrix 81 and intelligent control module 82；In the present embodiment, a clamping connection Ring is provided with installation gap 121 at a side of adjacent spine ring, and annular matrix is inlaid in this installation gap；It addition, outside core pipe Perisporium is provided with resettlement groove 25, and intelligent control module is arranged in resettlement groove；Intelligent control module can include wireless receiving and dispatching list Unit, secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send to remotely Main frame, to realize accurate long-range no worker monitor；This structure can make full use of space, is conducive to overall small-sized and one Change.The present embodiment can use as a high-voltage mutual inductor.
(embodiment 4)
The present embodiment and embodiment 3 are essentially identical, and difference is: as shown in Figure 14, and the present embodiment is no longer voltage The annular matrix of transformer is arranged in clamping connection ring, and in the present embodiment, the annular matrix of voltage transformer is fixedly installed on outside core pipe On perisporium, this scheme is also feasible, and structure is compacter and easily fabricated processing；Worn by folder electric power cable as long as allowing in a word Cross annular matrix.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.

Claims (4)

1. an electric armour clamp, it is characterised in that: include pressure ring, core pipe and paw assembly；Pressure ring rotates and is arranged on core pipe periphery On wall；Pressure ring includes that internal perisporium is provided with the spine ring of multiple slopes groove；Each slope groove is provided with multiple wedge shape anticreep tooth；Core pipe pipe Wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides the back-moving spring of reseting elasticity for paw；Respectively Paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；The outboard end of each radially traveller is provided with and spine ring slope The chisel teeth that wedge shape anticreep tooth in groove is adaptive；The pressing plate portion of each paw is positioned in core pipe tube chamber, and the radial direction traveller of each paw is worn Cross the corresponding radially-directed hole on core tube wall, the chisel teeth under the elastic force effect of back-moving spring, on each radially traveller On apical grafting wedge shape anticreep tooth in a corresponding slope groove；Wedge shape anticreep tooth is driven to rotate when spine ring rotates, each by top pressure The radial direction traveller of paw drives each paw pressing plate portion to move towards core tube hub.
Electric armour clamp the most according to claim 1, it is characterised in that: in each arcuate groove, it is provided with multiple installation draw-in groove, respectively Install in draw-in groove and be embedded with a piercing blade；Puncturing sheet and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, Thorn blade then exposes installation draw-in groove and forms puncture.
Electric armour clamp the most according to claim 1, it is characterised in that: each arcuate groove is provided with multiple puncture；Each paw is The integral piece made by casting forming, each puncture is made when casting forming.
Electric armour clamp the most according to claim 1, it is characterised in that: radially-directed hole is arranged in annular gear platform and ring On tube wall between connected in star；Each radially-directed hole extends radially through core tube wall along core pipe；Accommodating hole and guiding slide opening are along from outward Inward direction sets gradually, and accommodating hole and guiding slide opening are all circular holes, and the aperture of accommodating hole is more than the aperture of guiding slide opening, respectively The cross sectional shape in radially-directed hole is T-shaped.
CN201610093486.7A 2016-01-15 2016-01-15 Electric power fitting Withdrawn CN105846117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610093486.7A CN105846117A (en) 2016-01-15 2016-01-15 Electric power fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610093486.7A CN105846117A (en) 2016-01-15 2016-01-15 Electric power fitting

Publications (1)

Publication Number Publication Date
CN105846117A true CN105846117A (en) 2016-08-10

Family

ID=56586891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610093486.7A Withdrawn CN105846117A (en) 2016-01-15 2016-01-15 Electric power fitting

Country Status (1)

Country Link
CN (1) CN105846117A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117374677A (en) * 2023-10-31 2024-01-09 国网山东省电力公司兰陵县供电公司 Multi-head power connection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117374677A (en) * 2023-10-31 2024-01-09 国网山东省电力公司兰陵县供电公司 Multi-head power connection device
CN117374677B (en) * 2023-10-31 2024-05-14 国网山东省电力公司兰陵县供电公司 Multi-head power connection device

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WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160810