CN106451291A - Improved electric power metal fitting for overhead line - Google Patents
Improved electric power metal fitting for overhead line Download PDFInfo
- Publication number
- CN106451291A CN106451291A CN201610294199.2A CN201610294199A CN106451291A CN 106451291 A CN106451291 A CN 106451291A CN 201610294199 A CN201610294199 A CN 201610294199A CN 106451291 A CN106451291 A CN 106451291A
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- China
- Prior art keywords
- core
- heat
- tube
- conducting block
- hub axis
- 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.)
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Classifications
-
- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Abstract
The present invention discloses an improved electric power metal fitting for an overhead line. The fitting comprises a base tube, a core tube, two sets of pressing jaw assemblies and two plane nuts. The inner wall of the base tube is provided with a crimping boss, the tube wall of the core tube is provided with a vertical spacing sliding hole, and the inner wall of the core tube is provided with a blocking stand; each set of the pressing jaw assembly includes a plurality of pressing jaws; the two plane nuts are rotationally arranged in the core tube cavity, and the two plane nuts are respectively arranged at two sides of the blocking stand; each plane nut includes a fastening portion and a plane screw portion adaptive to each pressing jaw in the corresponding set of the pressing jaw assembly; the base tube is provided with an installation screw hole running through the wall body of the base tube along the vertical direction; and the base tube is internally provided with an installation screw hole with a built-in temperature sensor. The improved electric power metal fitting for the overhead line has good anti-loosening effect.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of overhead transmission line modified electric power gold
Tool.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need to use power circuit splicing fitting
Two insulated conductors are linked together.Power circuit splicing fitting has a simple installation, and low cost is safe and reliable non-maintaining
Feature.Without blocking leader cable, can do cable branch without the insulating barrier peelling off cable, joint is completely insulated, can charged make
Industry, can make on-the-spot branch in cable optional position；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof,
Anticorrosion is aging；Using insulating power circuit splicing fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional biography
System connected mode.
Traditional power circuit splicing fitting is mainly by enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and spiral shell
Female composition, the preferred torque nut of its nut, its structure is more ripe, also obtains relatively broad application.But conventional powerline
Road splicing fitting there is also weak point, and the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily pine
Dynamic.
Content of the invention
It is an object of the invention to provide a kind of modified electric armour clamp of the overhead transmission line with real time temperature monitoring function.
The technical scheme realizing the object of the invention is：A kind of improved high-voltage continues electric armour clamp, it is characterised in that：Including
One base tube, core pipe, two casing pressure claw assemblies and two plane nuts；The internal perisporium of base tube is provided with crimping boss, core pipe
Tube wall is provided with radially spacing slide opening, and the internal perisporium of core pipe is provided with gear platform；Each casing pressure claw assembly includes multiple paw, each paw
Including pressing plate portion, from the guide runner portion of the inwardly projecting formation of the inwall in pressing plate portion and the driving spiral shell being arranged on guide runner portion
Line portion；Each pressing plate portion is positioned between base tube inwall and core tube wall, and each guide runner portion inserts a corresponding radial direction limit on core pipe
In the slide opening of position, in each tube chamber driving threaded portion to stretch to core pipe；Each pressing plate portion and a corresponding crimping boss clamping form one
Individual clamp hole；Two plane nuts all rotate and are arranged in core pipe tube chamber, the both sides of two plane nut separation gear platforms；Each casing pressure
The threaded portion that drives in claw assembly is respectively positioned on the side away from gear platform for the corresponding plane nut；Each plane nut includes fastening part
And engage the flat thread portion of adaptation with the threaded portion that drives of each paw in corresponding a set of paw assembly；Gear platform is shaped as ring
Shape, keeps off platform inwardly projecting formation from the internal perisporium of core pipe；The periphery wall of each plane nut and core inside pipe wall slide adjacent；Each flat
One side of face nut and gear platform slide adjacent, and another side is provided with the driving screw thread with each paw in corresponding a set of paw assembly
The flat thread portion of portion's engagement adaptation；
Base tube is provided with the installation screw of built-in temperature sensing device；Temperature sensing device includes that what metal material made has
The metal shell of storage tank, the temperature sensor being arranged in storage tank, for temperature sensor is crimped on storage tank diapire
On spring, for the screwed pipe plug of limit spring；
Metal shell is provided with heat conduction boss close to one end of core tube hub axis, and metal shell is away from core tube hub axis
One end is provided with interior hexagonal and twists groove；The periphery wall of metal shell is provided with the external screw thread with installation screw adaptation, storage tank interior
Perisporium is provided with internal threaded regions；Temperature sensor includes the heat-conducting block using heat conductive insulating elastomeric material to make, is arranged on heat conduction
U-shaped thermo-sensitive resistor in block, two being arranged on heat-conducting block connect electric mortiser post；Heat-conducting block can be past in the storage tank of metal shell
Multiple slip；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post and protrude setting
On the other end away from core tube hub axis for the heat-conducting block；The external diameter of the other end away from core tube hub axis for the heat-conducting block and accommodating
Enclosing formation cannelure between the internal perisporium of groove, spring is positioned in this cannelure and is set in heat-conducting block away from core tube hub axis
One end on；The periphery wall of screwed pipe plug one end close to core tube hub axis is provided with external screw thread district, this external screw thread district and gold
Belong to the internal threaded regions adaptation of housing；The periphery wall of screwed pipe plug one end away from core tube hub axis is provided with outer-hexagonal and twists
Portion；The center of screwed pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close
One end of core tube hub axis is connected on heat-conducting block, and spring is connected to screwed pipe plug away from the other end of core tube hub axis
On；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
Heat conduction boss is to protrude the sharp tooth boss being formed from metal shell close to one end of core tube hub axis.
The present invention has positive effect：(1) present invention drives paw clamping electric power cable by flat thread portion, and logical
Cross traditional bolt assembly clamping electric power cable to compare, bigger pressure can be applied, and there is excellent anti-loosening effect, effectively
Ensure the reliability of long-term work.(2) present invention is by being arranged on cable clamping at the center of power circuit splicing fitting
Place, its gravity centre distribution is relatively reasonable, when on for high-altitude overhead power line, is conducive to mitigating vibration.(3) present invention uses
Two casing pressure claw assemblies are clamped on same cable, have the effect of dual fail-safe, even if wherein a set of in use go wrong, also
There is another set of its service behaviour of guarantee.(4) extend radially through the installation screw of pressure pipe portion wall body along base tube owing to base tube is provided with, install
Screw is fixed with temperature sensing device；So the present invention also has real time temperature monitoring function.
Brief description
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of front view of gold utensil shown in Fig. 1；
Fig. 3 is that the one of gold utensil shown in Fig. 1 partly cuts open structural representation；
Fig. 4 is a kind of explosive view of gold utensil shown in Fig. 1；
Fig. 5 is a kind of explosive view when removing base tube for the gold utensil shown in Fig. 4；
Fig. 6 is that the one of the second structure of the present invention partly cuts open structural representation；
Fig. 7 is the close-up schematic view in Fig. 6 at B；
Fig. 8 is that the one of 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 overhead transmission line modified electric armour clamp, as shown in Fig. 1 to Fig. 5, including a base tube is the 1st,
One core pipe the 2nd, two casing pressure claw assemblies 3 and two plane nuts 4；The internal perisporium of base tube is axially arranged with multiple crimping boss along base tube
11, the inwall of each crimping boss is provided with deep-slotted chip breaker 111；The internal perisporium of base tube is axially additionally provided with multiple positioning runner 12 along base tube；
Core pipe and base tube are arranged concentrically and are positioned at base tube tube chamber；The periphery wall of core pipe be provided with multiple along core pipe radially protruding extend
Supporting flange 21, each outboard end supporting flange is positioned in a corresponding positioning runner, thus core pipe is supported and is positioned at base tube
Tube chamber in；The tube wall of core pipe is provided with the spacing slide opening of multiple radial direction 22, each radially spacing slide opening all extending radially through along core pipe
Core tube wall；The internal perisporium of core pipe is provided with the annular gear platform 23 of inwardly projecting formation.
Each casing pressure claw assembly includes multiple paw 5, specifically in each casing pressure claw assembly paw quantity can one to
Selecting as required between four, radially the quantity of spacing slide opening is then identical with the total quantity of paw, and the present embodiment selects four；
Every casing pressure claw assembly and corresponding plane nut adaptation；Each paw includes that the inwall the 51st, from pressing plate portion for the pressing plate portion is inwardly projecting
The guide runner portion 52 being formed and the driving threaded portion 53 being arranged in guide runner portion；Pressing plate portion is axially extending along base tube, leads
Radially extend along core pipe to slide section；The outer wall in each paw pressing plate portion is provided with arc clip slot 511；Each pressing plate portion is positioned at base tube
Between wall and core tube wall, each guide runner portion inserts on core pipe in the spacing slide opening of a corresponding radial direction, and each driving threaded portion is stretched
Enter to the tube chamber of core pipe；Each paw radial direction along core pipe under the guide and limit effect of radially spacing slide opening reciprocatingly slides.
In the present embodiment, the radial cross-sectional shape of each radially spacing hole is I-shaped, the radial section in each guide runner portion
Shape is I-shaped with what radial direction spacing hole was adapted to；In concrete practice, the radially radial section in spacing hole and guide runner portion
Shape also can be selected for other shapes, for example circle, rectangle, square, as long as having radially-directed and limit effect.
In the present embodiment, the deep-slotted chip breaker of a corresponding crimping boss is just arranged by the arc clip slot of each paw, and this paw
Arc clip slot and this crimping boss deep-slotted chip breaker clamping formed a clamp hole 6, each clamp hole for clamping one power line
Cable.In the present embodiment, the size in each clamp hole can be different, for clamping the cable of different thicknesses.
Two plane nuts all rotate and are arranged in core pipe tube chamber, the both sides of two plane nut separation annular gear platforms；Respectively
The periphery wall of plane nut and core inside pipe wall slide adjacent, and the center of each plane nut is provided with fastening part 42；Each plane nut
A side and annular gear platform slide adjacent, another side is provided with the driving threaded portion with each paw in corresponding a set of paw assembly
The flat thread portion 41 of engagement adaptation；Flat thread portion is annular, and flat thread portion is provided with archimedean spiral groove；Each paw
The thread groove that driving threaded portion is provided with and this archimedean spiral groove is adapted to of assembly, each driving threaded portion is arranged on place
One side of guide runner portion adjacent flat nut.
The present embodiment, in order to connect electricity on insulating power cable, is also provided with multiple wearing in each deep-slotted chip breaker and each arc clip slot
Thorn 7；Specifically, respectively puncture along core pipe radially protruding.The existence puncturing, can not carried out at peeling to insulating power cable
Reason, can effectively connect 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 crimping boss and base tube are by watering
Casting the integral piece that shape is made, each puncture is made when casting forming；In concrete practice, puncture and may be used without alternate manner system
Become；It in each deep-slotted chip breaker and each arc clip slot, is for example provided with multiple installation draw-in groove, then embedding by the die-cut puncture piece made
Being contained in corresponding one and installing in draw-in groove, puncture piece and include installation portion and thorn blade, installation portion is inlaid in installation draw-in groove, stings blade
Then expose installation draw-in groove and form puncture.The benefit of this structure is to puncture piece the material different with paw can be used to make, especially
It is to select and treat that same material used by clamp cable is made, and is conducive to obtaining preferable electric property.
The fastening part of the present embodiment midplane nut is interior hexagonal shape fastener hole or interior hexagonal shape binding groove, and it twists operation
Use inner hexagon spanner；In concrete practice, described fastening part just can use other shapes, for example square or in-line or plum blossom
Shape, all can select.
The present embodiment can form four clamp holes, is especially suited as branch connection gold utensil and uses.
In the present embodiment, each plane nut, when reciprocating rotation, drives its flat thread portion reciprocating rotation, so by with
The driving threaded portion of this flat thread portion engagement adaptation drives each paw in corresponding a set of paw assembly to move, owing to each paw exists
Radially under the guide and limit effect of spacing slide opening, the radial direction only along core pipe moves back and forth, so that in each casing pressure claw assembly
The move mode of paw is close to each other towards core tube hub or away from thus unclamping or clamp the electric power being positioned in each clamp hole
Cable.
The present embodiment gravity centre distribution is relatively reasonable, when on for high-altitude overhead power line, is conducive to mitigating vibration；Separately
Outward, the present embodiment drives paw clamping electric power cable by flat thread portion, and by traditional bolt assembly clamping power line
Cable is compared, particularly excellent in anti-loosening effect, and the reliability of long-term work is effectively ensured.In addition, the present embodiment passes through
Use two casing pressure claw assembly clampings to same cable, there is the effect of dual fail-safe, even if wherein a set of in use go wrong,
Also has another set of its service behaviour of guarantee.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is：As shown in Fig. 6 and Fig. 7, base tube 1 is provided with radially
Run through the installation screw 15 of base tube wall body；This installation screw is fixed with a temperature sensing device 8.
Temperature sensing device 8 includes that the 81st, the metal shell with storage tank 811 that metal material makes is arranged on storage tank
In temperature sensor the 82nd, the 83rd, be used for the spiral shell of limit spring for the spring that temperature sensor is crimped on storage tank diapire
Pipe plug 84.
Metal shell is provided with as the heat conduction boss 813 puncturing use, metal-back close to one end 812 of core tube hub axis
Body is provided with interior hexagonal away from one end 814 of core tube hub axis and twists groove 815；The periphery wall of metal shell is provided with and installs spiral shell
The external screw thread 816 of hole adaptation, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss is from metal shell close to core
The sharp tooth boss being formed is protruded in one end 812 of tube hub axis.
Temperature sensor includes the U-shaped that the 821st, the heat-conducting block using heat conductive insulating elastomeric material to make is arranged in heat-conducting block
Thermo-sensitive resistor the 822nd, be arranged on heat-conducting block two connect electric mortiser post 823；Heat-conducting block can be reciprocal in the storage tank of metal shell
Slide；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post protrusion and are arranged on
On the other end away from core tube hub axis for the heat-conducting block；
Formation annular is enclosed between the external diameter of the other end away from core tube hub axis for the heat-conducting block and the internal perisporium of storage tank
Groove 100, spring is positioned in this cannelure and is set on heat-conducting block one end away from core tube hub axis；
The periphery wall of screwed pipe plug one end close to core tube hub axis is provided with external screw thread district 841, this external screw thread district and
The internal threaded regions 817 of metal shell is adapted to；The periphery wall of screwed pipe plug one end away from core tube hub axis is provided with outer-hexagonal
Twist portion 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed on cannelure by its external screw thread district
In；
Spring is connected on heat-conducting block close to one end of core tube hub axis, and spring is away from the other end of core tube hub axis
It is connected on screwed pipe plug；On heat-conducting block two connect electric mortiser post and are positioned in the tube chamber 843 of screwed pipe plug.
This structure has the following advantages, owing to metal shell is easily deformed when extruding cable, and extrusion temperature sensor
Heat-conducting block, if heat-conducting block does not has mobile space, then easy pressurized deformation damages；The present embodiment, can by arranging spring
Heat-conducting block is crimped on the diapire of metal shell storage tank so that it is can correctly predict cable and junction, pressing plate pressing plate portion
Real time temperature；Mobile space can also be reserved to heat-conducting block, thus prevents heat-conducting block by pressurized after when metal shell compressive deformation
Damage；This structure has preferably Practical Performance.
In concrete practice, multiple installation screw and temperature sensing device can be set on base tube, for each
Cable and the temperature with base tube junction monitor in real time, thus realize the further intellectuality that power network monitoring runs.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is：As shown in Figure 8, the periphery of base tube in the present embodiment
Also sheathed on wall being fixed with current transformer 9, this current transformer 9 includes toroidal inductive body 91 and intelligent control module 92；
The monnolithic case of intelligent control module is also annular；Toroidal inductive body 91 and intelligent control module 92 are arranged side by side.
The internal perisporium of intelligent control module 92 is provided with inwardly projecting two and connects electric bushing (being not drawn on figure), respectively connects electricity
Socket inserts corresponding one and connects in electric bushing, so that temperature sensor is connected with the middle control circuit in intelligent control module.
When the quantity of the crimping boss in the present embodiment and paw all selects three, the present embodiment can form three folders
String holes, for three phase cables of clamping, now the present embodiment integrally can use as high pressure zero sequence current mutual inductor, is used for
The existence of detection leakage current, with timely discovery leak current fault.
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, also may be used on the basis of the above description
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to the obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (1)
1. an improved high-voltage continues electric armour clamp, it is characterised in that：Including base tube, core pipe, two set paw groups
Part and two plane nuts；The internal perisporium of base tube is provided with crimping boss, and the tube wall of core pipe is provided with radially spacing slide opening, core pipe
Internal perisporium is provided with gear platform；Each casing pressure claw assembly includes multiple paw, and each paw includes that pressing plate portion, the inwall from pressing plate portion are inside
Protrude the guide runner portion being formed and the driving threaded portion being arranged in guide runner portion；Each pressing plate portion is positioned at base tube inwall and core
Between pipe outer wall, each guide runner portion inserts on core pipe in the spacing slide opening of a corresponding radial direction, and each driving threaded portion stretches to core
In the tube chamber of pipe；Each pressing plate portion and a corresponding crimping boss clamping form a clamp hole；Two plane nuts all rotate and set
Put in core pipe tube chamber, the both sides of two plane nut separation gear platforms；Driving threaded portion in each casing pressure claw assembly is respectively positioned on phase
Answer a plane nut away from the side of gear platform；Each plane nut includes fastening part and respectively presses in corresponding a set of paw assembly
The flat thread portion driving threaded portion engagement adaptation of pawl；Gear platform is shaped as annular, keeps off platform from the internal perisporium of core pipe to convex
Go out to be formed；The periphery wall of each plane nut and core inside pipe wall slide adjacent；One side of each plane nut and gear platform slide adjacent,
Another side is provided with and engages the flat thread portion of adaptation with the threaded portion that drives of each paw in corresponding a set of paw assembly；
Base tube is provided with the installation screw of built-in temperature sensing device；Having that temperature sensing device includes that metal material makes is accommodating
The metal shell of groove, the temperature sensor being arranged in storage tank, for being crimped on temperature sensor on storage tank diapire
Spring, the screwed pipe plug for limit spring；
Metal shell is provided with heat conduction boss close to one end of core tube hub axis, and metal shell is away from one end of core tube hub axis
It is provided with interior hexagonal and twist groove；The periphery wall of metal shell is provided with the external screw thread with installation screw adaptation, the internal perisporium of storage tank
It is provided with internal threaded regions；Temperature sensor includes the heat-conducting block using heat conductive insulating elastomeric material to make, is arranged in heat-conducting block
U-shaped thermo-sensitive resistor, be arranged on heat-conducting block two connect electric mortiser post；Heat-conducting block back and forth can be slided in the storage tank of metal shell
Dynamic；Heat-conducting block is connected on the diapire of storage tank close to one end of core tube hub axis；Two connect electric mortiser post and protrude and be arranged on and lead
On the other end away from core tube hub axis for the hot block；The external diameter of the other end away from core tube hub axis for the heat-conducting block and storage tank
Enclosing formation cannelure between internal perisporium, spring is positioned in this cannelure and is set in heat-conducting block away from the one of core tube hub axis
On end；The periphery wall of screwed pipe plug one end close to core tube hub axis is provided with external screw thread district, this external screw thread district and metal-back
The internal threaded regions adaptation of body；The periphery wall of screwed pipe plug one end away from core tube hub axis is provided with outer-hexagonal and twists portion；Spiral shell
The center of pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close to core pipe
One end of central axis is connected on heat-conducting block, and spring is connected on screwed pipe plug away from the other end of core tube hub axis；Lead
Two on hot block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294199.2A CN106451291A (en) | 2016-05-02 | 2016-05-02 | Improved electric power metal fitting for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294199.2A CN106451291A (en) | 2016-05-02 | 2016-05-02 | Improved electric power metal fitting for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451291A true CN106451291A (en) | 2017-02-22 |
Family
ID=58183104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610294199.2A Pending CN106451291A (en) | 2016-05-02 | 2016-05-02 | Improved electric power metal fitting for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451291A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN101419096A (en) * | 2008-12-12 | 2009-04-29 | 王涛 | Temperature sensor fixing structure on high-pressure electrified conductor and electrified installation tool thereof |
| CN201483250U (en) * | 2009-08-18 | 2010-05-26 | 深圳市翠绿首饰股份有限公司 | Fixture |
| CN201515024U (en) * | 2009-09-29 | 2010-06-23 | 江苏省电力公司苏州供电公司 | Convertible multifunctional wire clamp |
| CN201562922U (en) * | 2009-11-26 | 2010-08-25 | 朱军涛 | Cable clamp |
| CN202387980U (en) * | 2011-10-31 | 2012-08-22 | 苏州市东立机械有限公司 | Novel three-jaw chuck |
| CN102683054A (en) * | 2011-03-17 | 2012-09-19 | 西门子公司 | Control device with torsional elastic knob |
| CN103367959A (en) * | 2013-07-10 | 2013-10-23 | 平湖迪工机械制造有限公司 | Clamping device for cable-former |
| CN203398703U (en) * | 2013-08-08 | 2014-01-15 | 马鞍山市华能电力线路器材有限责任公司 | Annular wire clamp fitting of cluster wire |
| CN103770056A (en) * | 2013-12-07 | 2014-05-07 | 平高集团有限公司 | Ratchet wrench |
| CN103802054A (en) * | 2012-11-14 | 2014-05-21 | 国家电网公司 | Electrified fastening antivibrator bolt insulation torsion wrench |
| JP5789038B1 (en) * | 2014-12-01 | 2015-10-07 | 恒和工業株式会社 | Electric wire connector |
| CN105355406A (en) * | 2015-11-24 | 2016-02-24 | 广东电网有限责任公司电力科学研究院 | Opening current transformer capable of being installed in powered-on mode |
| CN106050872A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Easily-twisted flexible bolt with hexagonal groove thread end head |
-
2016
- 2016-05-02 CN CN201610294199.2A patent/CN106451291A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN101419096A (en) * | 2008-12-12 | 2009-04-29 | 王涛 | Temperature sensor fixing structure on high-pressure electrified conductor and electrified installation tool thereof |
| CN201483250U (en) * | 2009-08-18 | 2010-05-26 | 深圳市翠绿首饰股份有限公司 | Fixture |
| CN201515024U (en) * | 2009-09-29 | 2010-06-23 | 江苏省电力公司苏州供电公司 | Convertible multifunctional wire clamp |
| CN201562922U (en) * | 2009-11-26 | 2010-08-25 | 朱军涛 | Cable clamp |
| CN102683054A (en) * | 2011-03-17 | 2012-09-19 | 西门子公司 | Control device with torsional elastic knob |
| CN202387980U (en) * | 2011-10-31 | 2012-08-22 | 苏州市东立机械有限公司 | Novel three-jaw chuck |
| CN103802054A (en) * | 2012-11-14 | 2014-05-21 | 国家电网公司 | Electrified fastening antivibrator bolt insulation torsion wrench |
| CN103367959A (en) * | 2013-07-10 | 2013-10-23 | 平湖迪工机械制造有限公司 | Clamping device for cable-former |
| CN203398703U (en) * | 2013-08-08 | 2014-01-15 | 马鞍山市华能电力线路器材有限责任公司 | Annular wire clamp fitting of cluster wire |
| CN103770056A (en) * | 2013-12-07 | 2014-05-07 | 平高集团有限公司 | Ratchet wrench |
| JP5789038B1 (en) * | 2014-12-01 | 2015-10-07 | 恒和工業株式会社 | Electric wire connector |
| CN105355406A (en) * | 2015-11-24 | 2016-02-24 | 广东电网有限责任公司电力科学研究院 | Opening current transformer capable of being installed in powered-on mode |
| CN106050872A (en) * | 2016-08-15 | 2016-10-26 | 钦州学院 | Easily-twisted flexible bolt with hexagonal groove thread end head |
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Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |