CN105990697A - High-voltage electric power splicing fitting of high wire clamping strength - Google Patents

High-voltage electric power splicing fitting of high wire clamping strength Download PDF

Info

Publication number
CN105990697A
CN105990697A CN201610285815.8A CN201610285815A CN105990697A CN 105990697 A CN105990697 A CN 105990697A CN 201610285815 A CN201610285815 A CN 201610285815A CN 105990697 A CN105990697 A CN 105990697A
Authority
CN
China
Prior art keywords
tube
base tube
paw
core pipe
boss
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Withdrawn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
CN201610285815.8A
Other languages
Chinese (zh)
Inventor
不公告发明人
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 CN201610285815.8A priority Critical patent/CN105990697A/en
Publication of CN105990697A publication Critical patent/CN105990697A/en
Withdrawn legal-status Critical Current

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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H—ELECTRICITY
    • 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables

Landscapes

  • Clamps And Clips (AREA)

Abstract

The invention discloses a high-voltage electric power splicing fitting of high wire clamping strength. The high-voltage electric power splicing fitting comprises a base tube, a core tube, a crimping member and a pressing claw component. The internal circumferential wall of the base tube is provided with multiple wire clamping bosses. The core tube is arranged in the tube cavity of the base tube. The tube wall of the core tube is provided radial limiting slide holes. The internal wall of the core tube is provided with an internal thread area. The pressing claw component comprises multiple pressing claws. Each pressing claw comprises a pressing plate part, a guide slide block part and a driving surface. The crimping member comprises a body, an external thread area which is arranged on the external circumferential wall of the body and a crimping boss which is arranged on the internal side end of the cylindrical body. The external thread area of the crimping member is adaptive to the internal thread area of the core tube. The driving surface of each pressing claw is adaptive to the external circumferential wall of the crimping boss. The base tube is provided with installing screw holes with built-in temperature sensing devices. The high-voltage electric power splicing fitting of high wire clamping strength has great mechanical and electrical performance.

Description

The high-tension electricity splicing fitting that a kind of clamp intensity is higher
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to the higher high-tension electricity of a kind of clamp intensity and continue gold Tool.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need with gold utensil by two insulated conductors even It is connected together.Gold utensil has simple installation, low cost, safe and reliable non-maintaining feature.Without blocking leader cable, without peelling off The insulating barrier of cable can do cable branch, and joint is completely insulated, can livewire work, can cable optional position make scene point ?；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, anticorrosion is aging；Insulation fitting is used to make cable Branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional gold utensil is mainly made up of enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and nut, its spiral shell Female preferably torque nut, its structure is the most ripe, also obtains relatively broad application.But tradition gold utensil there is also deficiency Place, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
It is an object of the invention to provide a kind of electric power splicing fitting with real time temperature control function.
The technical scheme realizing the object of the invention is: the high-tension electricity splicing fitting that a kind of clamp intensity is higher, including one Individual base tube, a core pipe, a crimp and a set of paw assembly；The internal perisporium of base tube is provided with multiple clamp boss；Core pipe position In base tube tube chamber；The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole includes the spacing slide opening of multiple radial direction；Core pipe Inwall is provided with internal threaded regions；Paw assembly includes multiple paw；Each paw includes pressing plate portion, protrudes leading of formation from pressing plate portion To slide section and the drive surface being arranged in guide runner portion；Each guide runner portion inserts a corresponding spacing cunning of radial direction on core pipe Kong Zhong, each drive surface stretches in the tube chamber of core pipe, and each pressing plate portion is positioned between base tube inwall and core tube wall；The pressure of each paw Plate portion and a corresponding clamp boss clamping form one for the clamp hole clamping electric power cable；Crimp includes body, sets Put the external screw thread district on body peripheral wall and the crimping boss being arranged on cylindrical body medial extremity, the external screw thread district of crimp Adaptive with the internal threaded regions of core pipe；The periphery wall of the drive surface of each paw and crimping boss is adaptive；Cutting of each radially spacing slide opening Face shape is I-shaped；The cross sectional shape in each guide runner portion is adaptive with radially spacing slide opening I-shaped；Each clamp boss Inwall be provided with arcuate groove；The outer wall in each paw pressing plate portion is provided with arc clip slot；Each arc clip slot and arcuate groove are provided with many Individual puncture；Being provided with multiple installation draw-in groove in each arc clip slot and arcuate groove, each installation in draw-in groove is embedded with a piercing blade；Respectively 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； Base tube is provided with the installation screw of built-in temperature sensing device；What temperature sensing device included that metal material makes has storage tank Metal shell, the temperature sensor being arranged in storage tank, for spring temperature sensor being crimped on storage tank diapire, Screwed pipe plug for limit spring.
The present invention has positive effect: (1) crimp and core pipe connect threadably, and by taper electrolysis pressure Connecing each paw makes it clamp electric power cable, and its operation is the most laborsaving, and has preferable anti-loosening effect；(2) set due to base tube There is installation screw, installation screw is fixed with temperature sensing device；So also having real time temperature control function, promote electrical network Intelligent.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of perspective view when another angle is observed of the gold utensil shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of gold utensil faces structural representation；
Fig. 4 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation；
Fig. 5 is a kind of explosive view of gold utensil shown in Fig. 1；
Fig. 6 is a kind of explosive view when another angle is observed of the gold utensil shown in Fig. 1；
Fig. 7 is a kind of explosive view after gold utensil shown in Fig. 1 removes base tube and crimp；
Fig. 8 is that the one of the second structure of the present invention partly cuts open structural representation；
Fig. 9 is the close-up schematic view in Fig. 8 at B；
Figure 10 is that the one of the third structure of the present invention partly cuts open structural representation；
Figure 11 is that the one of the 4th kind of structure of the present invention partly cuts open structural representation；
Figure 12 is a kind of side-looking structural representation of gold utensil shown in Figure 11.
Detailed description of the invention
(embodiment 1)
The present embodiment is the high-tension electricity splicing fitting that a kind of clamp intensity is higher, as shown in Fig. 1 to Fig. 7, including a base tube 1,2, crimp 3 of a core pipe and a set of paw assembly 9.
The internal perisporium of base tube is provided with multiple clamp boss 11, and the inwall of each clamp boss is provided with arcuate groove 111, and each clamp is convex Platform and arcuate groove are all axially extending along base tube.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 core pipe is positioned in base tube tube chamber；The periphery wall of core pipe is provided with multiple along base tube footpath To protruding the support flange 21 extended, each outboard end supporting flange is positioned in a corresponding positioning runner, thus core pipe is propped up Support is positioned in the tube chamber of base tube；The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole includes four spacing cunnings of radial direction Hole 22, these four spacing slide openings of radial direction are evenly distributed on core tube wall along core pipe circumference；Each radially spacing slide opening is all along base tube Extend radially through core tube wall；Each radially spacing slide opening be positioned at core pipe axially on middle part, the cross section shape of each radially spacing slide opening Shape is I-shaped.The inwall of core pipe is provided with internal threaded regions 23.
In concrete practice, the cross sectional shape guiding slide opening may be used without other shape, the most circular, square, rhombus, all It is feasible.
Paw assembly 9 includes four paws 4.
Each paw includes that pressing plate portion 41, the guide runner portion 42 of the inwardly projecting formation of inwall from pressing plate portion and being arranged on leads Drive surface 43 in slide section；Pressing plate portion is axially extending along base tube, and guide runner portion radially extends along base tube；Each paw pressing plate The outer wall in portion is provided with arc clip slot 411；On each guide runner portion insertion core pipe in a corresponding spacing slide opening of radial direction, respectively drive Face stretches in the tube chamber of core pipe, and each pressing plate portion is positioned between base tube inwall and core tube wall；Each paw is at radially spacing slide opening Guide and limit effect under reciprocatingly slide along the radial direction of base tube；The cross sectional shape in each guide runner portion is to fit with radially spacing slide opening That joins is I-shaped.
A corresponding clamp boss clamping in the pressing plate portion of each paw and base tube forms one and is used for clamping electric power cable Clamp hole 5；In the present embodiment, the arc clip slot in each pressing plate portion and the arcuate groove clamping of a corresponding clamp boss are formed and are used for The clamp hole 5 of clamping electric power cable；The present embodiment forms four clamp holes altogether.
Crimp 3 includes cylindrical body 31, be arranged on cylindrical body periphery wall external screw thread district 32, be arranged on column this The fastening part 33 of external side and the crimping boss 34 being arranged on cylindrical body medial extremity, crimp boss is shaped as the frustum of a cone Shape；The external screw thread district of crimp and the internal threaded regions of core pipe are adaptive；Crimping axially extending along base tube of boss, and it is positioned at core pipe pipe In chamber.
In the present embodiment, the drive surface of each paw is one and the curved surface of crimping boss periphery wall adaptation, at concrete practice In, this drive surface also can be selected for inclined-plane.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity guiding slide opening in each group of pilot hole, can be two Select between five.
The present embodiment is in order to connect electricity or promote chuck strength, also at each arc clip slot and arcuate groove on insulating power cable In be provided with multiple puncture 6；Specifically, each puncture is along the radially protruding of core pipe.The existence punctured, can be without to insulating power Cable carries out peeling process, 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 puncture is made when casting forming；? In concrete practice, puncture may be used without alternate manner and makes；In each arc clip slot and arcuate groove, such as it is provided with multiple installation block Groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncture sheet and include installation portion and thorn sword Portion, 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 used to make, especially select and treat that same material used by clamp cable is made, be conducive to obtaining Preferably electric property.In concrete practice, it is also possible to use in the mode being threaded in each arc clip slot and arcuate groove, also Can improving clamping sigma compactness energy.
Crimp along preset direction rotate time, drive crimping boss to rotate in core pipe tube chamber traveling, press Connect boss and promote each paw by pushing each drive surface so that each pressing plate portion is moved radially outward along core pipe, thus clamping is positioned at Electric power cable in each clamp hole.
The present embodiment has following Advantageous Effects: (1) crimp and core pipe connect threadably, and by crimping Boss pushes the drive surface of each paw, and then promotes each paw to move along core pipe radial direction；Its operation is the most laborsaving, and tool There is preferable anti-loosening effect.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 8 and Fig. 9, and base tube 1 is provided with along base tube radially Run through the installation screw 18 of clamp boss 11 wall body；This installation screw is fixed with temperature sensing device 8；
Temperature sensing device includes the metal shell 81 with storage tank 811 that metal material makes, is arranged in storage tank Temperature sensor 82, block up for spring 83, the screwed pipe that is used for limit spring that temperature sensor is crimped on storage tank diapire 84；
Metal shell is provided with as puncturing the heat conduction boss 813 used close to one end 812 of base tube central axis, and metal shell is remote It is provided with interior hexagonal from one end 814 of base tube central axis and twists groove 815；The periphery wall of metal shell is provided with fits with installation screw The external screw thread 816 joined, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss is close to base tube from metal shell The sharp tooth boss formed is protruded in one end 812 of mandrel line；
Temperature sensor includes that the heat-conducting block 821 using heat conductive insulating elastomeric material to make, the U-shaped that is arranged in heat-conducting block are temperature sensitive Resistance 822, two be arranged on heat-conducting block connect electric mortiser post 823；Heat-conducting block can reciprocatingly slide in the storage tank of metal shell； Heat-conducting block is connected on the diapire of storage tank close to one end of base tube central axis；Two connect electric mortiser post protrusion and are arranged on heat-conducting block On the other end away from base tube central axis；
Heat-conducting block is away from enclosing formation cannelure between external diameter and the internal perisporium of storage tank of the other end of base tube central axis 100, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；
Screwed pipe plug is provided with external screw thread district 841 close to the periphery wall of one end of base tube central axis, this external screw thread district and metal The internal threaded regions 817 of housing is adaptive；Screwed pipe plug is provided with outer-hexagonal away from the periphery wall of one end of base tube central axis and twists Portion 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；
Spring is connected on heat-conducting block close to one end of base tube central axis, and spring abuts away from the other end of base tube central axis 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 easily 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 base tube clamp boss junction Real time temperature；Can also be when, after metal shell compressive deformation, reserving mobile space to heat-conducting block, thus prevent heat-conducting block to be subject to Crushing is bad；This structure has preferably Practical Performance.
In concrete practice, multiple installation screw and multiple temperature sensing device can be set on base tube, for often One cable and the temperature with base tube clamp boss junction monitor in real time, thus realize the further of power network monitoring operation Intelligent.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Figure 10, and the present embodiment also includes Current Mutual Inductance Device 7；This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, intelligent control module 72 Making and have the ring-type of onesize vestibule with toroidal inductive body, annular perception sensing body and intelligent control module set side by side Put combination and form annular, on the overall sheathed periphery wall being fixed on base tube of current transformer.In concrete practice, current transformer Also can be fixedly installed on the tube wall of core pipe, as long as making all clamp holes be positioned in the vestibule of toroidal inductive body, also I.e. have only to so that cable passes the vestibule of toroidal inductive body.
In the present embodiment, the internal perisporium of intelligent control module 72 is provided with inwardly projecting two and connects electric bushing (on figure not Draw), each electrical connector socket inserts corresponding one and connects in electric bushing, so that in temperature sensor and intelligent control module Control circuit is connected.
Intelligent control module can include wireless transmit/receive units, and intelligent control module passes through wireless transmit/receive units circular base The leakage current signal that pipe senses sends distance host to, with the long-range no worker monitor that realization is accurate, finds electric leakage event in time Barrier.
The present embodiment can use as a zero sequence current mutual inductor.
(embodiment 4)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Figure 11 to Figure 12, and the present embodiment also includes electricity Current transformer 7；This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, annular perception On the sensing sheathed periphery wall being fixed on base tube of body；The periphery wall of base tube is provided with the routing hole 13 extending radially through tube wall； Base tube inwall, core tube wall, clamp boss, support clamping between flange, paw pressing plate portion and form multiple containing cavity 73, intelligence control Molding block is arranged in containing cavity；Electric connection line between toroidal inductive body and intelligent control module passes described routing hole. This structure can make full use of space, is conducive to the small-sized and integrated of entirety.
Intelligent control module can include wireless transmit/receive units, and intelligent control module passes through wireless transmit/receive units circular base The leakage current signal that pipe senses sends distance host to, with the long-range no worker monitor that realization is accurate, finds electric leakage event in time Barrier.
The present embodiment can use as a zero sequence current mutual inductor.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.

Claims (1)

1. the high-tension electricity splicing fitting that a clamp intensity is higher, it is characterised in that: include a base tube, core pipe, one Individual crimp and a set of paw assembly；The internal perisporium of base tube is provided with multiple clamp boss；Core pipe is positioned in base tube tube chamber；Core pipe Tube wall is provided with one group of pilot hole, and this group pilot hole includes the spacing slide opening of multiple radial direction；The inwall of core pipe is provided with internal threaded regions； Paw assembly includes multiple paw；Each paw includes pressing plate portion, protrudes the guide runner portion and being arranged on formed from pressing plate portion and lead Drive surface in slide section；Each guide runner portion inserts on core pipe in a corresponding spacing slide opening of radial direction, and each drive surface stretches into To the tube chamber of core pipe, each pressing plate portion is positioned between base tube inwall and core tube wall；The pressing plate portion of each paw and a corresponding folder Line boss clamping forms one for the clamp hole clamping electric power cable；Crimp includes body, is arranged on body peripheral wall External screw thread district and the crimping boss that is arranged on cylindrical body medial extremity, the external screw thread district of crimp and the internal threaded regions of core pipe Adaptive；The periphery wall of the drive surface of each paw and crimping boss is adaptive；The cross sectional shape of each radially spacing slide opening is I-shaped；Respectively The cross sectional shape in guide runner portion is adaptive with radially spacing slide opening I-shaped；The inwall of each clamp boss is provided with arcuate groove； The outer wall in each paw pressing plate portion is provided with arc clip slot；Each arc clip slot and arcuate groove are provided with multiple puncture；Each arc clip slot With arcuate groove is provided with multiple installation draw-in groove, each installation in draw-in groove is embedded with a piercing blade；Each sheet that punctures includes installation portion With thorn blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove formation and punctures；Base tube is provided with built-in temperature The installation screw of sensing device；Temperature sensing device includes the metal shell with storage tank that metal material makes, is arranged on Temperature sensor in storage tank, for the spring that temperature sensor is crimped on storage tank diapire, be used for limit spring Screwed pipe plug.
CN201610285815.8A 2016-05-02 2016-05-02 High-voltage electric power splicing fitting of high wire clamping strength Withdrawn CN105990697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610285815.8A CN105990697A (en) 2016-05-02 2016-05-02 High-voltage electric power splicing fitting of high wire clamping strength

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610285815.8A CN105990697A (en) 2016-05-02 2016-05-02 High-voltage electric power splicing fitting of high wire clamping strength

Publications (1)

Publication Number Publication Date
CN105990697A true CN105990697A (en) 2016-10-05

Family

ID=57044318

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610285815.8A Withdrawn CN105990697A (en) 2016-05-02 2016-05-02 High-voltage electric power splicing fitting of high wire clamping strength

Country Status (1)

Country Link
CN (1) CN105990697A (en)

Similar Documents

Publication Publication Date Title
CN105990708A (en) Wedge-shaped wire clamp
CN105990809A (en) Wedge-shaped wire clamp
CN106099430A (en) Wedge clamp
CN105680186A (en) High-voltage power connecting fitting with relatively high wire clamping strength
CN105990711A (en) Wire clamping fitting for preventing cable loosening
CN105990697A (en) High-voltage electric power splicing fitting of high wire clamping strength
CN106025584A (en) Line clamping fittings used for electric power circuit
CN106099429A (en) High-tension electricity gold utensil for power circuit
CN105990698A (en) Splicing fitting of high wire clamping strength
CN105958221A (en) Connecting fitting with relatively high wire clamping strength
CN106025608A (en) High voltage electric power fittings for electric power circuit
CN105958237A (en) Connecting fitting with relatively high wire clamping strength
CN106025588A (en) High-voltage electric connection hardware with high wire clamping strength
CN106129662A (en) The electric power splicing fitting that clamp intensity is higher
CN106025586A (en) Electric connection hardware with high wire clamping strength
CN106025587A (en) Connection hardware with high wire clamping strength
CN106129647A (en) The electric power splicing fitting that clamp intensity is higher
CN106025585A (en) Electric connection hardware with high wire clamping strength
CN106099406A (en) A kind of modified model electric armour clamp
CN106099431A (en) A kind of modified model electric power clamp gold utensil
CN105990709A (en) Improved electric power splicing fitting
CN106099444A (en) A kind of modified model electric power clamp gold utensil
CN106099436A (en) Modified model electric armour clamp
CN106099400A (en) A kind of modified model electric power splicing fitting
CN106099437A (en) A kind of clamp gold utensil preventing cable from getting loose

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

Application publication date: 20161005

WW01 Invention patent application withdrawn after publication