CN105680187A - High-voltage electric power overhead line fitting - Google Patents
High-voltage electric power overhead line fitting Download PDFInfo
- Publication number
- CN105680187A CN105680187A CN201610096929.8A CN201610096929A CN105680187A CN 105680187 A CN105680187 A CN 105680187A CN 201610096929 A CN201610096929 A CN 201610096929A CN 105680187 A CN105680187 A CN 105680187A
- Authority
- CN
- China
- Prior art keywords
- core pipe
- pressing
- paw
- pipe portion
- 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- Withdrawn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
- 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
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
-
- 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
-
- 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
-
- 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
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/307—Clamped connections, spring connections utilising a screw or nut clamping member characterised by the thread of the screw or nut
-
- 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
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/308—Conductive members located parallel to axis of screw
Abstract
The invention discloses a high voltage electric power overhead line fitting. The fitting comprises a base body, pressing rings and pressing claw assemblies, wherein the base body comprises a base tube part, a core tube part and a connecting plate body; internal threaded regions are arranged on the inner walls at the two side ends of the base tube part; guiding sliding holes are formed in the tube wall of the core tube part; each set of pressing claw assembly comprises multiple pressing claws; each pressing claw is provided with a plate pressing part and a guiding sliding column part; the guiding sliding column part is formed by protruding out of the plate pressing part, and a stress inclined surface is arranged at the top end; each plate pressing part is positioned in the tube cavity of the core tube part; the two pressing rings are positioned on the two sides of the connecting plate part; each pressing ring is adapted with one set of corresponding pressing claw assembly; each pressing ring comprises a tapered crimping surface and an external threaded part; the tapered crimping surface presses the stress inclined surfaces; and when each pressing ring rotates along a preset direction, the pressing ring pushes and presses the plate pressing parts in the corresponding set of pressing claw assembly to move towards the centre of the core tube part. The high-voltage electric power overhead line fitting is easy to mount, and has a relatively good electrical performance.
Description
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of high-tension electricity stringing gold utensil.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, it is necessary to high-tension electricity stringing gold utensil, two insulated conductors are linked together. High-tension electricity stringing 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 A High-Voltage electric stringing gold utensil to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional high-tension electricity stringing 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 high-tension electric stringing 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 brand new, the high-tension electricity stringing gold utensil that fastness is reliable and stable is installed.
The technical scheme realizing the object of the invention is: a kind of high-tension electricity stringing gold utensil, including a matrix, two pressure rings and two casing pressure claw assemblies; Matrix includes base tube portion, be arranged in base tube tube chamber core pipe portion and for connecting fixing base tube portion and the web portion in core pipe portion; The inwall of base tube portion two side ends is equipped with internal threaded regions; The both sides of two internal threaded regions separation web portion; The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at the both sides of web portion; Each group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Each casing pressure claw assembly includes multiple paw; Each casing pressure claw assembly and corresponding set of pilot hole are adaptive; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; Pressing plate portion clamping in each casing pressure claw assembly forms a clamp hole for clamping electric power cable; The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive; Each pressure ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall; The taper electrolysis of each pressure ring is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, and the external screw thread district of each pressure ring and the internal threaded regions in base tube portion are adaptive; The inwall in each pressing plate portion is provided with arcuate groove; Each arcuate groove is provided with multiple puncture; Each paw is the integral piece made by casting forming, and each puncture is made when casting forming; The internal perisporium of core pipe is provided with annular groove, and the opening of this annular groove is positioned on the internal perisporium of the axial middle-end in core pipe portion, and this groove extends radially in web portion along core pipe portion; The toroidal inductive body of voltage transformer and intelligent control module are fixed in annular groove; Each pressure ring along preset direction rotate time, push the stress inclined-plane of paw in corresponding a set of paw assembly by taper electrolysis so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
The present invention has positive effect: (1) pressure ring and base tube portion connect threadably, and makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect; (2) by cable clamping is arranged on core tube hub place so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
The one that Fig. 2 is high-tension electricity stringing gold utensil shown in Fig. 1 partly cuts open structural representation;
Fig. 3 is that in high-tension electricity stringing gold utensil shown in Fig. 1, the one of matrix partly cuts open structural representation;
Fig. 4 is a kind of explosive view of high-tension electricity stringing gold utensil shown in Fig. 1;
Fig. 5 is a kind of explosive view after high-tension electricity stringing 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;
The one that Fig. 7 is high-tension electricity stringing gold utensil shown in Fig. 6 partly cuts open structural representation;
Fig. 8 is a kind of explosive view of high-tension electricity stringing gold utensil shown in Fig. 6;
Fig. 9 is a kind of explosive view after high-tension electricity stringing gold utensil shown in Fig. 6 removes pressure ring;
The one that Figure 10 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 high-tension electricity stringing gold utensil, sees shown in Fig. 1 to Fig. 6, including 1, two pressure rings of a matrix 2 and two casing pressure claw assemblies 3.
Matrix 1 includes base tube portion 11, be arranged in base tube tube chamber core pipe portion 12 and for connecting fixing base tube portion and the web portion 13 in core pipe portion; The inwall of the axial two side ends in base tube portion 11 is equipped with internal threaded regions 111; Base tube portion and core pipe portion are arranged concentrically, and web portion is in the annular slab between base tube portion and core pipe portion, and in the present embodiment, web portion is positioned at the axial middle-end place in base tube portion and core pipe portion, the both sides of two internal threaded regions separation web portion; In concrete practice, the planform of web portion has only to meet and is fixedly connected with in base tube portion and core pipe portion.
Base tube portion in the present embodiment, core pipe portion and web portion are integral pieces, may be used without the form of split part in concrete practice.
The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at the both sides of web portion; Each group pilot hole includes four guiding slide openings 121, and these four guiding slide openings are evenly distributed on the tube wall in core pipe portion along the circumference in core pipe portion; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion, and each shape leading slide opening is I shape. In concrete practice, the shape of guiding slide opening may be used without other shape, for instance circular, square, rhombus, is all feasible.
Each casing pressure claw assembly 3 includes four paws 31; Each casing pressure claw assembly and corresponding set of pilot hole are adaptive; Each paw is provided with pressing plate portion 311 and guiding traveller portion 312; Guiding traveller portion protrudes from a side in pressing plate portion and is formed, and guiding traveller portion is arranged in a corresponding guiding slide opening, and the top in guiding traveller portion is provided with a stress inclined-plane 313; The one end away from guiding traveller portion in pressing plate portion is as the inwall in pressing plate portion, and the inwall in pressing plate portion is provided with arcuate groove 314. The shape in each traveller portion of leading and the shape adaptation of guiding slide opening, each guiding traveller portion reciprocatingly slides along the radial direction in core pipe portion under the position-limiting action of guiding slide opening.
The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion.
In the present embodiment, in each casing pressure claw assembly, the arcuate groove clamping in four pressing plate portions forms a clamp hole 4 for clamping electric power cable.
The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive; Each pressure ring 2 includes the taper electrolysis 21 setting within it on perisporium and the external screw thread district 22 being arranged on pressure ring periphery wall; The taper electrolysis of each pressure ring is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, and the external screw thread district of each pressure ring and the internal threaded regions in base tube portion are adaptive.
In the present embodiment, each pressure ring rotates and is arranged on the periphery wall in core pipe portion, and the inwall of pressure ring is provided with the concentric stroking junction adjacent with the slip of core pipe portion periphery wall; But in concrete practice, the internal perisporium of pressure ring can and the periphery wall in core pipe portion between reserve gap, be also feasible.
The present embodiment is equipped with multiple binding groove 5 on the periphery wall of pressure ring and the periphery wall in base tube portion, it is twisted and hook spanner can be adopted to operate, certainly may be used without other fastening means, hexagonal shape fastener head is such as set on the periphery wall in the periphery wall of pressure ring and base tube portion, is also feasible.
Each pressure ring along preset direction rotate time, push the stress inclined-plane of paw in corresponding a set of paw assembly by taper electrolysis so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of the slide opening that leads in each group of pilot hole, can select between two to five.
The present embodiment, in order to connect electricity from insulating power cable or promote chuck strength, is also provided with multiple puncture 6 in each arcuate groove; Specifically, the radially protruding along core pipe portion is respectively punctured. The existence punctured, it is possible to without insulating power cable is carried out peeling process, can effectively connect electricity. In concrete practice, if what to clamp is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming; In concrete practice, puncture may be used without alternate manner and makes; In each 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 has following Advantageous Effects: (1) pressure ring and base tube portion connect threadably, and makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect; (2) by cable clamping is arranged on center, core pipe portion so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 6 to Fig. 9, and the present embodiment also includes the plug 7 being arranged in core pipe portion tube chamber; The periphery wall of plug is provided with four arc clip slots 71, and each arc clip slot is axially extending along core pipe portion, 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 4; 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 portion radial direction, the internal perisporium in core pipe portion is provided with four positioning runners 122, each outboard end supporting location flange is embedded in a corresponding positioning runner, thus plug is positioned in the tube chamber in core pipe portion.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, are different in that: as shown in Figure 10, and the present embodiment also includes voltage transformer 8; This voltage transformer includes toroidal inductive body 81 and intelligent control module; In the present embodiment, the internal perisporium in core pipe portion is provided with annular groove, and the opening of this annular groove is positioned on the internal perisporium of the axial middle-end in core pipe portion, and this groove extends radially in web portion along core pipe portion; The toroidal inductive body of voltage transformer and intelligent control module are fixed in annular groove. In concrete practice, voltage transformer also can be fixedly installed on other position, as long as making clamp hole be arranged in the vestibule of toroidal inductive body, namely has only to so that the vestibule of cable traverse toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, and 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. a high-tension electricity stringing gold utensil, it is characterised in that: include a matrix, two pressure rings and two casing pressure claw assemblies; Matrix includes base tube portion, be arranged in base tube tube chamber core pipe portion and for connecting fixing base tube portion and the web portion in core pipe portion; The inwall of base tube portion two side ends is equipped with internal threaded regions; The both sides of two internal threaded regions separation web portion; The tube wall in core pipe portion is provided with two groups of pilot holes, and these two groups of pilot holes are positioned at the both sides of web portion; Each group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Each casing pressure claw assembly includes multiple paw; Each casing pressure claw assembly and corresponding set of pilot hole are adaptive; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; Pressing plate portion clamping in each casing pressure claw assembly forms a clamp hole for clamping electric power cable; The both sides of two pressure ring separation web portion, each pressure ring and corresponding a set of paw assembly are adaptive; Each pressure ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall; The taper electrolysis of each pressure ring is crimped in each casing pressure claw assembly on the stress inclined-plane of paw, and the external screw thread district of each pressure ring and the internal threaded regions in base tube portion are adaptive; The inwall in each pressing plate portion is provided with arcuate groove; Each arcuate groove is provided with multiple puncture; Each paw is the integral piece made by casting forming, and each puncture is made when casting forming; The internal perisporium of core pipe is provided with annular groove, and the opening of this annular groove is positioned on the internal perisporium of the axial middle-end in core pipe portion, and this groove extends radially in web portion along core pipe portion; The toroidal inductive body of voltage transformer and intelligent control module are fixed in annular groove; Each pressure ring along preset direction rotate time, push the stress inclined-plane of paw in corresponding a set of paw assembly by taper electrolysis so that the pressing plate portion in each casing pressure claw assembly moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096929.8A CN105680187A (en) | 2016-01-15 | 2016-01-15 | High-voltage electric power overhead line fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096929.8A CN105680187A (en) | 2016-01-15 | 2016-01-15 | High-voltage electric power overhead line fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105680187A true CN105680187A (en) | 2016-06-15 |
Family
ID=56304830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096929.8A Withdrawn CN105680187A (en) | 2016-01-15 | 2016-01-15 | High-voltage electric power overhead line fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105680187A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006166549A (en) * | 2004-12-06 | 2006-06-22 | Yazaki Corp | Connecting fixture for hot-line deterioration diagnostic device |
| CN103001016A (en) * | 2012-12-27 | 2013-03-27 | 广州番禺电缆集团有限公司 | Multifunctional one-way cable clamp |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
-
2016
- 2016-01-15 CN CN201610096929.8A patent/CN105680187A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006166549A (en) * | 2004-12-06 | 2006-06-22 | Yazaki Corp | Connecting fixture for hot-line deterioration diagnostic device |
| CN103001016A (en) * | 2012-12-27 | 2013-03-27 | 广州番禺电缆集团有限公司 | Multifunctional one-way cable clamp |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105633634A (en) | Electric power overhead line fitting | |
| CN105680186A (en) | High-voltage power connecting fitting with relatively high wire clamping strength | |
| CN105680187A (en) | High-voltage electric power overhead line fitting | |
| CN105633633A (en) | High-voltage electric power overhead line fitting | |
| CN105633627A (en) | Power wire clamping fitting | |
| CN105655748A (en) | Electric power wire trapping fitting | |
| CN105655749A (en) | Wire trapping fitting | |
| CN105552587A (en) | Power wire clamping fitting for preventing cable from loosening | |
| CN105552588A (en) | Wire clamping fitting for preventing cable from loosening | |
| CN105846143A (en) | High-voltage electric power fitting for power line | |
| CN105552582B (en) | A kind of puncture fitting | |
| CN105576582A (en) | Electric power stringing fitting | |
| CN105846118A (en) | Improved electric power fitting | |
| CN105846147A (en) | Improved electric power connection fitting | |
| CN105990711A (en) | Wire clamping fitting for preventing cable loosening | |
| CN105609970A (en) | Puncturing armor clamp | |
| CN105575601A (en) | High-voltage electric transformer for improving wire clamping strength | |
| CN105633653A (en) | Electric power wire-clamping fitting capable of preventing cable from loosening | |
| CN105633654A (en) | Electric power fitting capable of preventing cable from loosening | |
| CN105846138A (en) | Overhead line electric power fitting | |
| CN105633649A (en) | Connecting fitting with relatively high wire clamping strength | |
| CN105680185A (en) | Connecting fitting with relatively high wire clamping strength | |
| CN105633648A (en) | Power connecting fitting with relatively high wire clamping strength | |
| CN105742849A (en) | Power connecting fitting with relatively high wire clamping strength | |
| CN105552808A (en) | Wire clamping fitting for preventing cable from loosening |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160615 |