CN107069254A - A kind of power transmission and distribution splicing fitting - Google Patents

A kind of power transmission and distribution splicing fitting Download PDF

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Publication number
CN107069254A
CN107069254A CN201611085162.5A CN201611085162A CN107069254A CN 107069254 A CN107069254 A CN 107069254A CN 201611085162 A CN201611085162 A CN 201611085162A CN 107069254 A CN107069254 A CN 107069254A
Authority
CN
China
Prior art keywords
paw
core pipe
radial direction
ring
wedge
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Withdrawn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
CN201611085162.5A
Other languages
Chinese (zh)
Inventor
林海涛
罗永利
曹春诚
王杰
邴龙
朱家炜
王鹏浩
史子瑞
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 CN201611085162.5A priority Critical patent/CN107069254A/en
Publication of CN107069254A publication Critical patent/CN107069254A/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/03Individual 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
    • H01R11/09Individual 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/24Voltage transformers
    • H01F38/26Constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual 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
    • H01R11/01Individual 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2412Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by insulated cams or wedges
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/50Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Bodies (AREA)

Abstract

The invention discloses a kind of power transmission and distribution splicing fitting, including pressure ring, core pipe and paw component;Pressure ring is rotatably arranged on core pipe periphery wall;Pressure ring includes the spine ring that internal perisporium is provided with multiple slope grooves;Multiple wedge-shaped anticreep teeth are provided with each slope groove;Core pipe tube wall is provided with multiple radially-directed holes;Paw component includes paw and back-moving spring;Each paw includes pressing plate portion and radial direction traveller;The outboard end of each radial direction traveller is provided with chisel teeth;The pressing plate portion of each paw is located in core pipe tube chamber, and the radial direction traveller of each paw passes through radially-directed hole, and each chisel teeth apical grafting is on corresponding one wedge-shaped anticreep tooth;Drive wedge-shaped anticreep tooth to rotate when spine ring is rotated, drive each paw pressing plate portion to be moved towards core pipe center by the radial direction traveller of each paw of top pressure.The present invention has preferable electric property.

Description

A kind of power transmission and distribution splicing fitting
Technical field
A kind of overhead transmission line electric armour clamp technical field of the present invention, and in particular to power transmission and distribution splicing fitting.
Background technology
In the construction of overhead power line, when cable need to do branch or continue, it is necessary to be led two eradication edge with gold utensil Line links together.Gold utensil has simple installation, low cost, the characteristics of safe and reliable non-maintaining.Leader cable need not be blocked, need not Cable branch can be done by peelling off the insulating barrier of cable, and joint is completely insulated, can livewire work, can show in cable optional position Field branch;Without the use of termination rack, coupling box;And joint warp resistance, shockproof, waterproof, anticorrosion aging;Done using insulation fitting Cable branch, substantially, cost performance is better than conventional conventional coupling arrangement to comprehensive benefit.
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 more ripe, also obtains relatively broad application.But there is also deficiency for traditional gold utensil Place, the pressure of clamp relies on the pressure of plain bolt component, and its fastness is poor, easily loosens.
The content of the invention
It is an object of the invention to provide a kind of brand new, install fastness it is reliable and stable and it is real-time collection power-on voltage information Power transmission and distribution splicing fitting.
Realizing the technical scheme of the object of the invention is:A kind of power transmission and distribution splicing fitting, including pressure ring, core pipe and paw group Part;Pressure ring is rotatably arranged on core pipe periphery wall;Pressure ring includes the spine ring that internal perisporium is provided with multiple slope grooves;In each slope groove Provided with multiple wedge-shaped anticreep teeth;Core pipe tube wall is provided with multiple radially-directed holes;Paw component includes multiple paws and is paw The back-moving spring of reseting elasticity is provided;Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall;Each radial direction The outboard end of traveller is provided with the chisel teeth with the wedge-shaped anticreep tooth adaptation in the groove of spine ring slope;The pressing plate portion of each paw is located at core pipe In tube chamber, the radial direction traveller of each paw is made through the corresponding radially-directed hole on core pipe tube wall in the elastic force of back-moving spring Under, the chisel teeth apical grafting on each radial direction traveller is on the wedge-shaped anticreep tooth in a corresponding slope groove;Spine ring drives when rotating Wedge-shaped anticreep tooth is rotated, and drives each paw pressing plate portion to be moved towards core pipe center by the radial direction traveller of each paw of top pressure;It is special Levy and be:Also include voltage transformer;Voltage transformer includes being used to sense the annular matrix for producing secondary voltage and being set in Annular body on annular matrix;Side installation gap provided with annular of one clamping connection ring in adjacent spine ring;Mutual induction of voltage Device is inlaid in the installation gap.
Control module in intelligence is provided with such scheme, in annular body, for entering trip temperature inspection to voltage transformer outer wall The temperature sensor of survey and the wireless sensing unit for sending information to distance host.
In such scheme, secondary connection end, temperature sensor and the wireless sensing unit of voltage transformer are and in intelligence Module is controlled to be connected.
The present invention is positioned by the slope groove with wedge-shaped anticreep tooth to each paw, can play the skill for preventing falling back Art effect, is compared with electric power cable is clamped by traditional bolt assembly, particularly excellent in anti-loosening effect, and length is effectively ensured The reliability of phase work.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the first structure of the invention;
Fig. 2 is a kind of half-sectional structural representation of gold utensil shown in Fig. 1;
Fig. 3 is Fig. 2 A-A sectional views;
Fig. 4 is a kind of explosive view of gold utensil shown in Fig. 1;
Fig. 5 is that gold utensil shown in Fig. 1 removes a kind of explosive view after pressure ring and back-up ring;
Fig. 6 is a kind of dimensional structure diagram of second of structure of the invention;
Fig. 7 is a kind of half-sectional structural representation of gold utensil shown in Fig. 6;
Fig. 8 is the B-B sectional views of gold utensil shown in Fig. 6;
Fig. 9 is that gold utensil shown in Fig. 6 removes a kind of explosive view after pressure ring and back-up ring;
Figure 10 is a kind of dimensional structure diagram of gold utensil core pipe shown in Fig. 6;
Figure 11 is a kind of half-sectional structural representation of the third structure of the invention.
Embodiment
(Embodiment 1)
The present embodiment is a kind of electric armour clamp, as shown in Fig. 1 to Fig. 5, including pressure ring 1, core pipe 2, four paw groups Part 3 and an axial back-up ring 4.
Pressure ring 1 includes spine ring 11, the two clamping connection rings 12 and multiple connecting rivets 13 of separation spine ring both sides, two clamping connections Ring clamps spine ring, and connecting rivet axially penetrates through the spine ring and two clamping connection rings along core pipe, so that by spine ring and two clamping connection rings It is fixedly connected into an entirety.The internal perisporium of spine ring, which is provided with multiple slope grooves 111, each slope groove, is provided with multiple wedge-shaped anticreeps 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 grooves 14 for axially penetrating through whole pressure ring along core pipe, and pressure ring twists operation Using hook type spanner(It is commonly called as hook spanner).In concrete practice, the internal diameter of clamping connection ring can also be slightly smaller than the internal perisporium of spine ring.This Slope groove in embodiment refers to that depth of groove passes through gradually incremental groove.
The annular groove 22 of annular gear platform 21 and indent of the periphery wall of core pipe 2 provided with evagination, core pipe is positioned at annular The tube wall kept off between platform and annular groove is provided with multiple radially-directed holes 23;In the present embodiment, each radially-directed hole is along core pipe Core pipe tube wall is extended radially through, accommodating hole 231 and guiding slide opening 232 of each radially-directed hole including connection, accommodating hole are slided with guiding Hole is set gradually along direction from outside to inside, and accommodating hole and guiding slide opening are circular holes, and the aperture of accommodating hole, which is more than, is oriented to slide opening Aperture, the cross sectional shape in each radially-directed hole is T-shaped.Axial back-up ring is arranged in the annular groove of core pipe.Pressure ring is rotated It is arranged on core pipe periphery wall, the two side ends of pressure ring slide adjoining with annular gear platform and axial back-up ring respectively.
Paw component 3 includes multiple paws 31, the back-moving spring 32 of reseting elasticity is provided 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 adaptation in each radial direction traveller and radially-directed hole, each radial direction traveller exists It is oriented under the position-limiting action of slide opening along core pipe and radially reciprocatingly slides;The outboard end of each radial direction traveller is provided with chisel teeth 34;Each wedge shape Wedge-shaped anticreep tooth adaptation in tooth and spine ring slope groove.Each mat is fixed on the annular slot of a corresponding radial direction traveller In, each back-moving spring is set on a corresponding radial direction traveller, and each back-moving spring is connected to accordingly along the outer end of core pipe radially In one annular mat, back-moving spring is connected on the bottom wall of accommodating hole along the inner of core pipe radially;
The pressing plate portion of each paw is located in core pipe tube chamber, and the radial direction traveller of each paw passes through the corresponding radial direction on core pipe tube wall Pilot hole, under the elastic force effect of back-moving spring, the corresponding slope groove of chisel teeth apical grafting on each radial direction traveller in spine ring In wedge-shaped anticreep tooth on.Under the position-limiting action of slope groove and chisel teeth, the pressure ring in the present embodiment can only be along a side To twisting, with anti-retrogression namely anti-loosening technique effect.
The inwall in each paw pressing plate portion is provided with deep-slotted chip breaker 314, the present embodiment, the deep-slotted chip breaker clamping in each paw pressing plate portion Form a clamp hole 5 for being used to clamp electric power cable.
The present embodiment punctures 6 also in each deep-slotted chip breaker in order to connect electricity from insulating power cable provided with multiple;It is specific next Say, it is each to puncture along core pipe radially protruding.The presence of puncture, can be without carrying out peeling processing, you can have to insulating power cable Effect connects electricity.In concrete practice, if what is clamped is bare wire, it can be not provided with puncturing.
In the present embodiment, each paw is the integral piece being made up of casting forming, and each puncture is made in casting forming; In concrete practice, puncture can be also made of other manner;Multiple installation necks are provided with for example in each deep-slotted chip breaker, then logical The puncture piece cut into is overshooted to be inlaid in corresponding installation neck;Puncturing piece includes installation portion and thorn blade, and installation portion is embedding Mounted in installing in neck, thorn blade then exposes installation neck formation and punctured.The benefit of this structure be puncture piece can use and The different material of paw is made, especially select and treat clamp cable used in same material be made, be conducive to obtaining preferable electrical resistance Energy.
The present embodiment twists pressure ring in operation using hook type spanner so that pressure ring drives the wedge shape in its slope groove to prevent De- tooth is rotated, because each back-moving spring stress can deform shortening so that the chisel teeth of each pressing plate radial direction traveller is towards slope groove The shallower side movement of middle groove depth, and then the pressing plate portion of each paw is radially-inwardly slid along core pipe, so as to clamp positioned at folder Electric power cable in string holes.
The present embodiment is arranged at the longitudinal center line of gold utensil by the way that cable is clamped, and its gravity centre distribution is relatively reasonable, when When on the overhead power line of high-altitude, be conducive to mitigating and vibrate;In addition, the present embodiment passes through the slope with wedge-shaped anticreep tooth Groove is positioned to each paw, can play the technique effect for preventing falling back, and clamp power line by traditional bolt assembly 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, the present embodiment also includes being located at Plug 7 in core pipe tube chamber;The periphery wall of plug is provided with multiple arcs clip slot 71, and each arc clip slot is axially extending along core pipe, Each arc clip slot is just set to the deep-slotted chip breaker on a corresponding paw inwall;Each arc clip slot and corresponding deep-slotted chip breaker clamping shape Into a clamp hole 5;So the present embodiment can form four clamp holes, available for simultaneously clamping on four cables.
The periphery wall of plug is provided with the four support positioning protrusive boards 72 protruded along core pipe radial direction, the internal perisporium of core pipe Provided with four positioning runners 24, the outboard end of each support positioning protrusive board is embedded in a corresponding positioning runner, so that core Rod is positioned in the tube chamber of matrix slip pipe.
(Embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is:As shown in Figure 11, the present embodiment also includes mutual induction of voltage Device 8;Voltage transformer includes being used to sense the annular ring for producing the annular matrix 81 of secondary voltage and being set on annular matrix Body 82.Side installation gap 121 provided with annular of one clamping connection ring in adjacent spine ring;Voltage transformer is inlaid in the installation In breach;Control module in intelligence, the TEMP for carrying out temperature detection to voltage transformer outer wall are provided with annular body Device and the wireless sensing unit for sending information to distance host;The secondary connection end of voltage transformer, temperature sensor and Wireless sensing unit is connected with control module in intelligence.
The outer wall that the sensing unit of temperature sensor is close to voltage transformer is set.
Annular matrix realizes the real-time monitoring to circuit in itself while induced voltage, meanwhile, annular matrix is produced Secondary induction voltage can also be used to provide electric energy for control module and its accessory circuit in intelligence;Because voltage transformer is an appearance The equipment easily generated heat, and often can be too high due to temperature and cause failure or damage, so it is to be necessary to carry out monitoring temperature to it , by sending real-time monitoring information to distance host, it timely can be repaired or changed.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.

Claims (3)

1. a kind of power transmission and distribution splicing fitting, including pressure ring, core pipe and paw component;Pressure ring is rotatably arranged on core pipe periphery wall On;Pressure ring includes the spine ring that internal perisporium is provided with multiple slope grooves;Multiple wedge-shaped anticreep teeth are provided with each slope groove;Core pipe tube wall It is provided with multiple radially-directed holes;Paw component includes multiple paws and the back-moving spring of reseting elasticity is provided for paw;Each pressure Pawl includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall;The outboard end of each radial direction traveller is provided with and spine ring slope groove In wedge-shaped anticreep tooth adaptation chisel teeth;The pressing plate portion of each paw is located in core pipe tube chamber, and the radial direction traveller of each paw is passed through A corresponding radially-directed hole on core pipe tube wall, under the elastic force effect of back-moving spring, the wedge-shaped tooth top on each radial direction traveller It is connected on the wedge-shaped anticreep tooth in a corresponding slope groove;Drive wedge-shaped anticreep tooth to rotate when spine ring is rotated, respectively pressed by top pressure The radial direction traveller of pawl drives each paw pressing plate portion to be moved towards core pipe center;It is characterized in that:Also include voltage transformer;Voltage Transformer includes being used to sense the annular body for producing the annular matrix of secondary voltage and being set on annular matrix;One clamping connection Side installation gap provided with annular of the ring in adjacent spine ring;Voltage transformer is inlaid in the installation gap.
2. power transmission and distribution splicing fitting according to claim 1, it is characterised in that:It is provided with annular body in intelligence and controls mould Block, for voltage transformer outer wall carry out temperature detection temperature sensor and for distance host send information it is wireless Sensing unit.
3. power transmission and distribution splicing fitting according to claim 1, it is characterised in that:The secondary connection end of voltage transformer, Temperature sensor is connected with wireless sensing unit with control module in intelligence.
CN201611085162.5A 2016-11-30 2016-11-30 A kind of power transmission and distribution splicing fitting Withdrawn CN107069254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611085162.5A CN107069254A (en) 2016-11-30 2016-11-30 A kind of power transmission and distribution splicing fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611085162.5A CN107069254A (en) 2016-11-30 2016-11-30 A kind of power transmission and distribution splicing fitting

Publications (1)

Publication Number Publication Date
CN107069254A true CN107069254A (en) 2017-08-18

Family

ID=59619576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611085162.5A Withdrawn CN107069254A (en) 2016-11-30 2016-11-30 A kind of power transmission and distribution splicing fitting

Country Status (1)

Country Link
CN (1) CN107069254A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113131230A (en) * 2021-04-21 2021-07-16 田宏明 Puncture type electric power fitting and use method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2793486Y (en) * 2005-03-28 2006-07-05 郑春开 Clasp cable device
CN103490350A (en) * 2013-10-08 2014-01-01 国家电网公司 Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2793486Y (en) * 2005-03-28 2006-07-05 郑春开 Clasp cable device
CN103490350A (en) * 2013-10-08 2014-01-01 国家电网公司 Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113131230A (en) * 2021-04-21 2021-07-16 田宏明 Puncture type electric power fitting and use method thereof
CN113131230B (en) * 2021-04-21 2023-06-23 河北中北电力金具有限公司 Puncture type electric power fitting and use method thereof

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Application publication date: 20170818