CN104393430A - Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp - Google Patents
Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp Download PDFInfo
- Publication number
- CN104393430A CN104393430A CN201410771588.0A CN201410771588A CN104393430A CN 104393430 A CN104393430 A CN 104393430A CN 201410771588 A CN201410771588 A CN 201410771588A CN 104393430 A CN104393430 A CN 104393430A
- Authority
- CN
- China
- Prior art keywords
- bayonet lock
- type
- draw ring
- clamp
- wire clamp
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- 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
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
Abstract
A pull-tab-shaped bayonet lock self-locking type lead end grounding clamp comprises an operation rod, a Y-shaped connecting rod, an L-shaped clamp, a falling-prevention mechanism, a T-shaped stop block and a second compression spring, wherein the operation rod and the Y-shaped connecting rod are connected in a hung manner through connecting holes; the Y-shaped connecting rod comprises left and right bent plates, the upper part of the Y-shaped connecting rod is connected with the operation rod in the hung manner through the connecting holes, and the lower part of the Y-shaped connecting rod is connected with the L-shaped clamp through a bolt; the upper part of the L-shaped clamp is connected with the Y-shaped connecting rod through the bolt, and a groove and the falling-prevention mechanism are arranged in the L-shaped clamp; the falling-prevention mechanism comprises a pull-tab-shaped bayonet lock and a first compression spring, the first compression spring is embedded in the L-shaped clamp, and the pull-tab-shaped bayonet lock is contacted with the T-shaped stop block under the action of the first compression spring; the T-shaped stop block is sleeved with the second compression spring, the upper end of the second compression spring is contacted with the T-shaped stop block, and the lower end of the second compression spring is contacted with the L-shaped clamp. With the adoption of the grounding clamp, problems that existing grounding clamps are complex in structure, easy to fall and the like can be solved, and the grounding clamp has the broad market prospect and the high business value.
Description
Technical field
The present invention relates to a kind of high-voltage conducting wires service kit, be specially a kind of easy to operate, safe and reliable draw ring type bayonet lock self-locking wire end earthing clamp.
Technical background
Wire end earthing clamp is a kind of safety appliance of the transmission pressure temporary short-circuit ground connection for having a power failure, and its effect is when to high-voltage conducting wires interruption maintenance, prevents because incoming call or contiguous high voltage alive equipment produce induced voltage to human body generation harm suddenly.The wire clamp that current each grid company uses mainly contains double tongue type, flat, impacting type and spiral.But this several cable clamp structure all has unreasonable part.Double tongue type wire clamp generally adopts the mode of hook, is applicable to round conductor, with insulating bar own wt, makes end face press down wire, and in addition both sides lingual surface is fixedly clamped, easy to use, but easily slippage.Flat wire clamp jaws generally applies pressure by spring chucking power, clamping ground point, but contact unreliable, easy slippage.Impacting type earthing clamp jaws is clamp, relies on spring compression, also easily causes slip phenomenon.Spiral earthing clamp relies on spiral compression mode, and its maximum feature is that contact is firm, reliable, but its labour intensity is large, efficiency is low, operation is difficult.Therefore, be necessary to develop a kind of easy to operate, safe and reliable earthing clamp.
Summary of the invention
In order to overcome the defect that prior art exists, the invention provides a kind of draw ring type bayonet lock self-locking wire end earthing clamp, this wire clamp can solve existing earthing clamp well and there is complex structure, eely problem.
The technical solution adopted in the present invention is: a kind of draw ring type bayonet lock self-locking wire end earthing clamp, comprises action bars, Y type connecting rod, L-type wire clamp, anti-shedding mechanism, T-shaped block and the second Compress Spring.Described action bars is made up of two sections of cylinders, and action bars is mounted by connecting hole mutually with Y type connecting rod; Described Y type connecting rod comprises left and right two bent plates, and the top of Y type connecting rod is mounted by connecting hole mutually with action bars, and the bottom of Y type connecting rod is connected by bolt with L-type wire clamp; The top of described L-type wire clamp is connected by bolt with Y type connecting rod, and the inside of L-type wire clamp is provided with groove and anti-shedding mechanism; Described anti-shedding mechanism is connected with L-type wire clamp is embedded, and anti-shedding mechanism comprises draw ring type bayonet lock and the first Compress Spring, and the first Compress Spring embeds in L-type wire clamp, and draw ring type bayonet lock contacts with T-shaped block under the effect of the first Compress Spring; Described second Compress Spring is enclosed within outside T-shaped block, and the second Compress Spring upper end contacts with T-shaped block, and the second Compress Spring lower end contacts with L-type wire clamp.Adopt the present invention can solve existing earthing clamp complex structure, easily the problem such as come off, there is wide market prospects and commercial value.
Described action bars is made up of small end cylinder and large end cylinder, and the diameter of two sections of cylinders is all less than left bent plate top connecting hole and the right curved plate top connecting hole of Y type connecting rod.Action bars passes left bent plate top connecting hole and the right curved plate top connecting hole of Y type connecting rod, supports whole earthing clamp; Action bars is detachable after completing mounting operation, passes and pulls the circular draw ring of draw ring type bayonet lock, unlock anti-shedding mechanism with the small end cylinder of action bars.
Described Y type connecting rod comprises left and right two bent plates, and the bending angle of left and right two bent plates is all 150 °, and the upper and lower of left bent plate is all provided with connecting hole, and the upper and lower of right curved plate is all provided with connecting hole.Left bent plate top connecting hole mounts with action bars mutually with right curved plate top connecting hole, and left bent plate bottom connecting hole is connected with L-type cable clip bolt with right curved plate bottom connecting hole.
Described L-type wire clamp top is provided with connecting hole, the spacing hole perpendicular to L-type wire clamp long end is provided with in the middle part of L-type wire clamp, for limiting the side-to-side movement of draw ring type bayonet lock, the inner both sides of L-type wire clamp are provided with the rectangular recess perpendicular to L-type wire clamp bottom, make T-shaped block move up and down in rectangular recess and not depart from rectangular recess.
Described anti-shedding mechanism, comprises the first Compress Spring and draw ring type bayonet lock two parts altogether.The front portion of draw ring type bayonet lock is triangular in shape, and be convenient to high-voltage line extruding and enter L-type wire clamp, the middle part of draw ring type bayonet lock is column type, is enclosed within the first Compress Spring, and the rear portion of draw ring type bayonet lock connects circular draw ring by spacing hole.
Described T-shaped block top is cuboid, and cuboid moves up and down in the rectangular recess perpendicular to L-type wire clamp bottom, and T-shaped block bottom is cylinder, is enclosed within the second Compress Spring.
Described second Compress Spring is enclosed within outside T-shaped block, and the second Compress Spring upper end contacts with T-shaped block, and the second Compress Spring lower end contacts with L-type wire clamp.
The invention has the beneficial effects as follows:
1, adopt draw ring type bayonet lock self-locking mechanism, after high-voltage conducting wires extruding enters L-type wire clamp, energy automatic locking high-voltage conducting wires, effectively prevents high-voltage conducting wires from automatically disengaging wire clamp, reaches safe and reliable object.
2, action bars is after completing mounting operation, and the instrument that can be used as unblock is dismantled.Pass with the small end cylinder of action bars and pull the circular draw ring of draw ring type bayonet lock, making high-voltage conducting wires depart from L-type wire clamp, unlock, effectively avoiding artificially touching or natural cause mislead lock by mistake, reliably ensure the life security of operations involving high pressure personnel.
3, adopt draw ring type bayonet lock self-locking mechanism, action bars, U-shaped wire clamp to form main working parts of the present invention, structure is simple, easy to operate, simplifies high pressure mounting operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of draw ring type bayonet lock self-locking wire end earthing clamp of the present invention.
Fig. 2 is the schematic diagram after draw ring type bayonet lock self-locking wire end earthing clamp clamping wire of the present invention.
Fig. 3 is the half sectional view after draw ring type bayonet lock self-locking wire end earthing clamp clamping wire of the present invention.
Fig. 4 is the operation lever structure schematic diagram of draw ring type bayonet lock self-locking wire end earthing clamp of the present invention.
Fig. 5 is the Y type connecting rod structural representation of draw ring type bayonet lock self-locking wire end earthing clamp of the present invention.
Fig. 6 is the L-type cable clamp structure schematic diagram of draw ring type bayonet lock self-locking wire end earthing clamp of the present invention.
Fig. 7 is the draw ring type clamping pin structure schematic diagram of draw ring type bayonet lock self-locking wire end earthing clamp of the present invention.
Be labeled as in figure: action bars 1, small end cylinder 11, large end cylinder 12, Y type connecting rod 2, left bent plate 21, right curved plate 22, left bent plate top connecting hole 211, left bent plate bottom connecting hole 212, right curved plate top connecting hole 221, right curved plate bottom connecting hole 222, L-type wire clamp 3, L-type wire clamp top connecting hole 31, L-type wire clamp spacing hole 32, rectangular recess 33, anti-shedding mechanism 4, first Compress Spring 41, draw ring type bayonet lock 42, circular draw ring 421, T-shaped block 5, second Compress Spring 6, high-voltage conducting wires 7.
Embodiment
Below in conjunction with drawings and Examples, specific embodiments of the present invention are further described in detail.
As illustrated in fig. 1 and 2, draw ring type bayonet lock self-locking wire end earthing clamp of the present invention, comprises action bars 1, Y type connecting rod 2, L-type wire clamp 3, anti-shedding mechanism 4, T-shaped block 5 and the second Compress Spring 6.
Action bars 1 is made up of small end cylinder 11 and large end cylinder 12, and small end cylinder 11 is connected with right curved plate 22 top connecting hole 221 with the left bent plate 21 top connecting hole 211 of Y type connecting rod 2 with large end cylinder 12.Action bars 1 passes left bent plate 21 top connecting hole 211 and the right curved plate 22 top connecting hole 221 of Y type connecting rod 2, supports whole L-type wire clamp 3; Action bars 1 is detachable after completing mounting operation, passes and pulls the circular draw ring 421 of draw ring type bayonet lock 42, unlock anti-shedding mechanism 4 with the small end cylinder 11 of action bars 1.Y type connecting rod 2 comprises left bent plate 21 and right curved plate 22, and the bending angle of left bent plate 21 and right curved plate 22 is all 150 °, and left bent plate 21 is provided with top connecting hole 211 and bottom connecting hole 212, and right curved plate 22 is provided with top connecting hole 221 and bottom connecting hole 222.Left bent plate 21 top connecting hole 211 mounts with action bars 1 mutually with right curved plate 22 top connecting hole 221, and left bent plate 21 bottom connecting hole 212 is connected with L-type wire clamp 3 bolt with right curved plate 22 bottom connecting hole 222.L-type wire clamp 3 top is provided with connecting hole 31, is bolted with Y type connecting rod 2; The spacing hole 32 perpendicular to L-type wire clamp 3 long end is provided with, for limiting the side-to-side movement of draw ring type bayonet lock 42 in the middle part of L-type wire clamp; The both sides, inside of L-type wire clamp 3 are provided with the rectangular recess 33 perpendicular to L-type wire clamp 3 bottom, make T-shaped block 5 move up and down in rectangular recess 33 and not depart from rectangular recess 33.The front portion of draw ring type bayonet lock 42 is triangular in shape, and be convenient to high-voltage conducting wires 7 extruding and enter in L-type wire clamp 3, in column type in the middle part of draw ring type bayonet lock 42, be enclosed within the first Compress Spring 41, draw ring type bayonet lock 42 rear portion is connected with circular draw ring 421 through spacing hole 32.T-shaped block 5 upper end is cuboid, and cuboid can move up and down in the rectangular recess 33 perpendicular to L-type wire clamp 3 bottom; T-shaped block 5 lower end is cylinder, and cylinder is enclosed within the second Compress Spring 6.Second Compress Spring 6 is enclosed within outside T-shaped block 5, and the second Compress Spring 6 upper end contacts with T-shaped block 5, and the second Compress Spring 6 lower end contacts with L-type wire clamp 3.
Operation principle and process are:
The present invention is used for the high-voltage conducting wires 7 temporary short-circuit ground connection that will have a power failure, and prevents incoming call or contiguous high voltage alive equipment suddenly from producing induced voltage and produces harm to human body.During work, operating personnel's hand-held bar 1, action bars 1 is passed left bent plate 21 top connecting hole 211 and the right curved plate 22 top connecting hole 221 of Y type connecting rod 2, mention whole L-type wire clamp 3 by action bars 1, make high-voltage conducting wires 7 firmly extrude draw ring type bayonet lock 42 along the front portion that draw ring type bayonet lock 42 is triangular in shape.Along with the pressure of high-voltage conducting wires 7 pairs of draw ring type bayonet locks 42 increases gradually, draw ring type bayonet lock 42 extrudes the first Compress Spring 41, first Compress Spring 41 is compressed backward, simultaneously, due to the squeezing action of high-voltage conducting wires 7, T-shaped block 5 is extruding the second Compress Spring 6 downwards, until high-voltage conducting wires 7 enters between draw ring type bayonet lock 42 and T-shaped block 5 completely.So far, draw ring type bayonet lock 42 has not had the pressure effect of high-voltage conducting wires 7, first Compress Spring 41 promotes draw ring type bayonet lock 42 and returns to original position, because the front portion of draw ring type bayonet lock 42 is triangular in shape, make high-voltage conducting wires 7 easily extruding enter L-type wire clamp 3 and difficult drop-off is gone out, namely high-voltage conducting wires 7 is locked between draw ring type bayonet lock 42 and T-shaped block 5, plays the effect of self-locking.After high-voltage conducting wires 7 mounts operation, pass with the small end cylinder 11 of action bars 1 and pull out the circular draw ring 421 of draw ring type bayonet lock 42, making draw ring type bayonet lock 42 again extrude the first Compress Spring 41 backward.At this moment high-voltage conducting wires 7 is without the self-locking action of draw ring type bayonet lock 42, and under the elastic restoring force effect of the second Compress Spring 6, high-voltage conducting wires 7 is ejected between draw ring type bayonet lock 42 and T-shaped block 5, realizes unlocking.
Claims (4)
1. draw ring type bayonet lock self-locking wire end earthing clamp, comprises action bars, Y type connecting rod, L-type wire clamp, anti-shedding mechanism, T-shaped block and the second Compress Spring.Described action bars is made up of two sections of cylinders, and action bars is mounted by connecting hole mutually with Y type connecting rod; Described Y type connecting rod comprises left and right two bent plates, and the top of left and right two bent plates is mounted by connecting hole mutually with action bars, and the bottom of left and right two bent plates is connected by bolt with L-type wire clamp; The top of described L-type wire clamp is connected by bolt with Y type connecting rod, and the inside of L-type wire clamp is provided with groove and anti-shedding mechanism; Described anti-shedding mechanism is connected with L-type wire clamp is embedded, and anti-shedding mechanism comprises draw ring type bayonet lock and the first Compress Spring, and the first Compress Spring embeds in L-type wire clamp, and draw ring type bayonet lock contacts with T-shaped block under the effect of the first Compress Spring; Described second Compress Spring is enclosed within outside T-shaped block, and the second Compress Spring upper end contacts with T-shaped block, and the second Compress Spring lower end contacts with L-type wire clamp.
2. draw ring type bayonet lock self-locking wire end earthing clamp according to claim 1, it is characterized in that: described L-type wire clamp top is provided with connecting hole, be provided with the spacing hole perpendicular to L-type wire clamp long end in the middle part of L-type wire clamp, the inner both sides of L-type wire clamp are provided with the rectangular recess perpendicular to L-type wire clamp bottom.
3. draw ring type bayonet lock self-locking wire end earthing clamp according to claim 1, is characterized in that: described anti-shedding mechanism comprises the first Compress Spring and draw ring type bayonet lock two parts altogether.The front portion of draw ring type bayonet lock is triangular in shape, and the middle part of draw ring type bayonet lock is cylindrical, is enclosed within the first Compress Spring, and the rear portion of draw ring type bayonet lock connects circular draw ring.
4. draw ring type bayonet lock self-locking wire end earthing clamp according to claim 1, is characterized in that: described T-shaped block top is cuboid, is placed in the rectangular recess perpendicular to L-type wire clamp, and T-shaped block bottom is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771588.0A CN104393430A (en) | 2014-12-15 | 2014-12-15 | Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410771588.0A CN104393430A (en) | 2014-12-15 | 2014-12-15 | Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104393430A true CN104393430A (en) | 2015-03-04 |
Family
ID=52611290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410771588.0A Pending CN104393430A (en) | 2014-12-15 | 2014-12-15 | Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104393430A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058512A (en) * | 2016-08-02 | 2016-10-26 | 广西大学 | High voltage ground wire clamp trip self-locking device |
| CN108777378A (en) * | 2018-05-30 | 2018-11-09 | 云南电网有限责任公司昆明供电局 | Use the self-locking distribution network line connecting clip for penetrating the installation of gun-type operating lever |
| CN109037986A (en) * | 2018-08-01 | 2018-12-18 | 国网浙江省电力有限公司金华供电公司 | Super extra-high voltage self-locking anti-dropout conductor grip |
| CN109216964A (en) * | 2018-10-28 | 2019-01-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controllable type run-resistant high-voltage electric power circuit grounding wire device |
| CN111541064A (en) * | 2020-05-27 | 2020-08-14 | 国网河北省电力有限公司邢台供电分公司 | Anti-drop wire clamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593623A (en) * | 2012-02-28 | 2012-07-18 | 广西电网公司电力科学研究院 | L-shaped baffle block type lead end grounding clamp |
| CN203503821U (en) * | 2013-06-24 | 2014-03-26 | 国家电网公司 | Hard tube bus grounding device |
| CN104022371A (en) * | 2014-05-12 | 2014-09-03 | 国家电网公司 | Omni-directional anti-disengagement ground clamp |
| CN204361308U (en) * | 2014-12-15 | 2015-05-27 | 广西大学 | Draw ring type bayonet lock self-locking wire end earthing clamp |
-
2014
- 2014-12-15 CN CN201410771588.0A patent/CN104393430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593623A (en) * | 2012-02-28 | 2012-07-18 | 广西电网公司电力科学研究院 | L-shaped baffle block type lead end grounding clamp |
| CN203503821U (en) * | 2013-06-24 | 2014-03-26 | 国家电网公司 | Hard tube bus grounding device |
| CN104022371A (en) * | 2014-05-12 | 2014-09-03 | 国家电网公司 | Omni-directional anti-disengagement ground clamp |
| CN204361308U (en) * | 2014-12-15 | 2015-05-27 | 广西大学 | Draw ring type bayonet lock self-locking wire end earthing clamp |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058512A (en) * | 2016-08-02 | 2016-10-26 | 广西大学 | High voltage ground wire clamp trip self-locking device |
| CN108777378A (en) * | 2018-05-30 | 2018-11-09 | 云南电网有限责任公司昆明供电局 | Use the self-locking distribution network line connecting clip for penetrating the installation of gun-type operating lever |
| CN108777378B (en) * | 2018-05-30 | 2023-08-22 | 云南电网有限责任公司昆明供电局 | Self-locking power distribution network line connection wire clamp installed by using gun type operating rod |
| CN109037986A (en) * | 2018-08-01 | 2018-12-18 | 国网浙江省电力有限公司金华供电公司 | Super extra-high voltage self-locking anti-dropout conductor grip |
| CN109216964A (en) * | 2018-10-28 | 2019-01-15 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controllable type run-resistant high-voltage electric power circuit grounding wire device |
| CN109216964B (en) * | 2018-10-28 | 2023-10-17 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controllable anti-drop high-voltage power line grounding wire device |
| CN111541064A (en) * | 2020-05-27 | 2020-08-14 | 国网河北省电力有限公司邢台供电分公司 | Anti-drop wire clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204361308U (en) | Draw ring type bayonet lock self-locking wire end earthing clamp | |
| CN104393430A (en) | Pull-tab-shaped bayonet lock self-locking type lead end grounding clamp | |
| CN205231281U (en) | A high -pressure discharge stick for distribution network overhauls | |
| CN103683093A (en) | Overhead power guide line insulation operating rod | |
| CN203660096U (en) | Multipurpose power-line binding post | |
| CN104092033A (en) | Connecting rod type thread self-locking wire end ground clamp | |
| CN203300937U (en) | High-hitching ground wire operating lever | |
| CN202395175U (en) | Hot-line work temporary live wire lap-joint clamp | |
| CN210040585U (en) | Switching power supply convenient to wiring | |
| CN208767482U (en) | A kind of electric knob earthing or grounding means | |
| CN203521668U (en) | Grounding wire clamp | |
| CN212587725U (en) | Take earthing for work device isolator crimping lead wire fastener | |
| CN103683109A (en) | 220kV line L-LF type insulator string live replacement tool | |
| CN202333162U (en) | Grounding wire hook of transformer equipment | |
| CN204045750U (en) | For the earthing device of electric railway system | |
| CN209298380U (en) | A kind of laborsaving intermediate potential insulation lapping bar | |
| CN206992647U (en) | High-voltage overhead conductor self-locking charged wiring clamp | |
| CN203232974U (en) | Grounding body interchange device of low-voltage grounding wires | |
| CN216390274U (en) | Integrated bowl pulling and pin taking device | |
| CN203911013U (en) | 500 kV power transmission line ground wire short wire T-type wire clamp | |
| CN216648778U (en) | Device for grounding wire of electric welding machine | |
| CN204651746U (en) | A kind of converting equipment deicing tool | |
| CN218447388U (en) | Insulator | |
| CN104682032A (en) | Adjustable electric wire joint | |
| CN203983860U (en) | A kind of grading ring disposable plates that comes off |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |
|
| WD01 | Invention patent application deemed withdrawn after publication |