CN106711638A - Connecting armour clamp for power transmission and distribution - Google Patents
Connecting armour clamp for power transmission and distribution Download PDFInfo
- Publication number
- CN106711638A CN106711638A CN201611078121.3A CN201611078121A CN106711638A CN 106711638 A CN106711638 A CN 106711638A CN 201611078121 A CN201611078121 A CN 201611078121A CN 106711638 A CN106711638 A CN 106711638A
- Authority
- CN
- China
- Prior art keywords
- wedge
- ring
- core pipe
- paw
- pressing plate
- 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- Withdrawn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
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- 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
- H01R4/2412—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 insulated cams or wedges
-
- 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
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5083—Clamped 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)
- Clamps And Clips (AREA)
Abstract
The invention discloses a connecting armour clamp for power transmission and distribution. The clamp comprises a compression ring, a core tube, and pressing claw assemblies. The compression ring arranged at the peripheral wall of the core tube in a rotating mode includes a ratchet ring having an inner peripheral wall with a plurality of slope grooves; and a plurality of wedge-shaped anti-shedding teeth are arranged in all slope grooves. A plurality of radial guiding holes are formed in the wall of the core tube. The pressing claw assemblies consist of pressing claws and reset springs; all pressing claws include pressing plate parts and radial sliding posts; wedge-shaped teeth are arranged at the outer side ends of all radial sliding posts; the pressing plate parts of all pressing claws are arranged in the cavity of the core tube; the radial sliding posts of all pressing claws pass through the radial guiding holes; and all wedge-shaped holes are arranged at the corresponding wedge-shaped anti-shedding teeth in an apical grafting mode. When the ratchet ring rotates, the wedge-shaped anti-shedding teeth are driven to rotate; and the radial sliding posts of all pressing claws are pressed to drive the pressing plate parts of all pressing claws to move towards the center of the core tube. The connecting armour clamp has the excellent electrical performance.
Description
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.Need not block leader cable, need not
Cable branch is done by the insulating barrier for peelling off cable, 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 are 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 traditional gold utensil there is also deficiency
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 that fastness is reliable and stable and 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 that internal perisporium is provided with the spine ring of multiple slope grooves;In each slope groove
It is provided with multiple wedge shape 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 being adapted to the wedge-shaped anticreep tooth 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, chisel teeth apical grafting on each radial direction traveller is on the wedge-shaped anticreep tooth in a corresponding slope groove;Driven when spine ring is rotated
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 producing the annular matrix of secondary voltage for sensing and is set in
Annular body on annular matrix;One clamping connection ring is provided with the installation gap of annular in a side of adjacent spine ring;Mutual induction of voltage
Device is inlaid in the installation gap.
Be provided with such scheme, in annular body in intelligence and control module, 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, the secondary connection end of voltage transformer, temperature sensor and wireless sensing unit are and in intelligence
Control module is 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, compares 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 the A-A sectional views 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 dimensional structure diagram of second 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 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 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.
Specific embodiment
(embodiment 1)
The present embodiment is a kind of electric armour clamp, as shown in Fig. 1 to Fig. 5, including a paw group of core pipe 2, four of pressure ring 1,
Part 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 rivets 13, 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 as to 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 slope grooves 111, and multiple wedge shape anticreeps are provided with each slope groove
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 that whole pressure ring is axially penetrated through along core pipe, and pressure ring twists operation
Using hook type spanner (being 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 periphery wall of core pipe 2 is provided with the annular gear platform 21 of evagination and the annular groove 22 of indent, and core pipe is positioned at annular
Tube wall between gear 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 sets gradually along direction from outside to inside, and accommodating hole and guiding slide opening are 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.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 include multiple paws 31, reseting elasticity is provided for paw back-moving spring 32 and be fixedly installed on respectively
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
Radially reciprocatingly slided along core pipe under the position-limiting action of guiding slide opening;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 outer end of each back-moving spring along core pipe radially is connected to accordingly
In one annular mat, the inner of back-moving spring along core pipe radially is connected on the bottom wall of accommodating hole;
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, in 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 is provided with multiple punctures 6 in order to connect electricity from insulating power cable, also in each deep-slotted chip breaker;It is specific next
Say, respectively puncture along core pipe radially protruding.The presence of puncture, can be without carrying out peeling treatment, you can have to insulating power cable
Effect connects electricity.In concrete practice, if what is clamped is bare wire, 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 draw-in grooves are for example provided with each deep-slotted chip breaker, then logical
The puncture piece that overshoot cuts into is inlaid in corresponding installation draw-in groove;Puncturing piece includes installation portion and thorn blade, and installation portion is embedding
In draw-in groove is installed, thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure be puncture piece can using and
The different material of paw is made, especially select and treat clamp cable used by 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 shifting of middle groove depth, and then cause that the pressing plate portion of each paw radially-inwardly slides 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
During on the overhead power line of high-altitude, be conducive to mitigating and vibrate;In addition, the present embodiment is by 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, can be used to simultaneously clamp 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
Four positioning runners 24 are provided with, 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 is included for sensing the annular ring for producing the annular matrix 81 of secondary voltage and being set on annular matrix
Body 82.One clamping connection ring is provided with the installation gap 121 of annular in a side of adjacent spine ring;Voltage transformer is inlaid in the installation
In breach;Control module, the TEMP for carrying out temperature detection to voltage transformer outer wall in intelligence 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 monitor in real time to circuit in itself while induced voltage, meanwhile, annular matrix is produced
Secondary induction voltage can be additionally used in for control module and its accessory circuit provide electric energy in intelligence;Because voltage transformer is an appearance
The equipment easily generated heat, and often understand causing trouble or damage because temperature is too high, so carry out monitoring temperature to it being a need for
, real-time monitoring information is sent by distance host, it can timely be repaired or is changed.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate 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, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And these
Belong to obvious change that connotation of the invention extends out or variation 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 that internal perisporium is provided with the spine ring of multiple slope grooves;Multiple wedge shape 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 is included for sensing the annular body for producing the annular matrix of secondary voltage and being set on annular matrix;One clamping connection
Ring is provided with the installation gap of annular in a side of 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, the temperature sensor for carrying out temperature detection to voltage transformer outer wall 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078121.3A CN106711638A (en) | 2016-11-30 | 2016-11-30 | Connecting armour clamp for power transmission and distribution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078121.3A CN106711638A (en) | 2016-11-30 | 2016-11-30 | Connecting armour clamp for power transmission and distribution |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106711638A true CN106711638A (en) | 2017-05-24 |
Family
ID=58935094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611078121.3A Withdrawn CN106711638A (en) | 2016-11-30 | 2016-11-30 | Connecting armour clamp for power transmission and distribution |
Country Status (1)
Country | Link |
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CN (1) | CN106711638A (en) |
Citations (2)
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 |
-
2016
- 2016-11-30 CN CN201611078121.3A patent/CN106711638A/en not_active Withdrawn
Patent Citations (2)
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |
|
WW01 | Invention patent application withdrawn after publication |