CN108232481B - Grounding wire clamp - Google Patents
Grounding wire clamp Download PDFInfo
- Publication number
- CN108232481B CN108232481B CN201711462259.8A CN201711462259A CN108232481B CN 108232481 B CN108232481 B CN 108232481B CN 201711462259 A CN201711462259 A CN 201711462259A CN 108232481 B CN108232481 B CN 108232481B
- Authority
- CN
- China
- Prior art keywords
- grounding wire
- wire
- operating rod
- hanging
- 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.)
- Active
Links
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 206010014357 Electric shock Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a ground wire clamp, which belongs to the field of electric power safety protection auxiliary tools and comprises an operating rod and a wire clamping and pressing device arranged at the top end of the operating rod, wherein two elastic clamping plates which are oppositely arranged are arranged on the wire clamping and pressing device, three hanging parts which are used for hanging a ground wire and fixedly connected with the operating rod are arranged on the operating rod, and a fixing part used for fixing the ground wire is arranged at the bottom end of the operating rod. According to the grounding wire clamp provided by the invention, during working, the working grounding wire clamp is firstly hung on the hanging part of the grounding wire clamp, the grounding wire is fixed on the fixing part bearing the weight of the grounding wire, the grounding wire between the hanging part and the fixing part is in a loose state, and a worker can take the working grounding wire clamp down and hang the working grounding wire clamp on a high-voltage wire conveniently, so that the weight borne by the worker is greatly reduced, and the risk of the worker contacting the grounding wire is reduced.
Description
Technical Field
The invention belongs to the field of electric power safety protection auxiliary tools, and particularly relates to a ground wire clamp.
Background
In distribution network safety production, it is the important link of safety production to install the earth connection, in actual work, when installing the earth connection, because the earth connection itself is very heavy, the phenomenon that the person touches the earth connection often can appear when the staff lifts the earth connection stick with both hands, in case error appears in the link of testing the electricity, the staff who installs the electrical connection will cause the bodily injury accident when touching the earth connection, this kind of mode not only wastes time and energy, there is higher potential safety hazard moreover, consequently, need propose new multiplexer utensil and solve this problem.
Disclosure of Invention
The invention aims to provide a grounding wire clamp to solve the technical problems that the grounding wire clamp is labor-consuming in hanging a grounding wire and has potential safety hazards in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a ground wire clamp, include the action bars, locate the wire card on action bars top presses the ware, the wire card presses the ware to locate including the U type structure of invering and two be used for blocking the elasticity splint of earth connection between the U type structure, the one end of U type structure with action bars fixed connection, the other end hang outside the action bars, be equipped with three portion of being used for articulating the portion of articulating of work ground wire clamp on the action bars at least, the bottom of action bars is equipped with and is used for fixing the fixed part of earth connection.
Furthermore, each hanging part is arranged in the middle of the operating rod and is uniformly distributed along the outer circumference of the operating rod.
Further, the hanging part is an insulating part.
Further, the fixed part is including fixed body, the outer wall of fixed body is equipped with a plurality of joints that are used for the joint the draw-in groove of earth connection, the draw-in groove is followed the length direction of operating lever sets up and with articulate portion one-to-one.
Further, the fixing part further comprises a connecting piece for connecting the fixing body and the operating rod.
Furthermore, the outside of action bars is equipped with nearly electric alarm.
Further, a sheath is arranged on the outer side of the operating rod.
Furthermore, springs for enabling the two elastic clamping plates to reset are respectively arranged between the two elastic clamping plates and the guide wire clamping device.
Furthermore, two be equipped with respectively on the elasticity splint and be used for the chucking the recess of earth connection, the recess sets up relatively.
The grounding wire clamp provided by the invention has the beneficial effects that: compared with the prior art, the ground wire clamp is provided with the plurality of hanging parts on the operating rod, other ground wire clamps are hung on the hanging parts, the bottom end of the operating rod is provided with the fixing part for fixing the ground wire and bearing the weight of the ground wire, the ground wire between the hanging parts and the fixing part is in a loose state, and a worker can take down the other ground wire clamps and hang the ground wire clamps on the high-voltage wire by bearing smaller weight, so that the work of hanging the ground wire is simplified, and the risk that the worker contacts the ground wire is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a ground clip according to an embodiment of the present invention;
fig. 2 is an enlarged structural view at a in fig. 1.
Wherein, in the figures, the respective reference numerals:
1-an operating lever; 11-wire clamp; 111-a resilient splint; 1111-grooves; 112-a spring; 113-U-shaped structure; 12-hanging part; 13-a fixed part; 131-a card slot; 14-a sheath; 15-connecting piece.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a ground clip according to the present invention will now be described. Ground clamp, including action bars 1, locate wire card pressure ware 11 on 1 top of action bars, wire card pressure ware 11 is including the U type structure 113 of invering and two elastic clamping plate 111 that are used for blocking earth connection 3 of locating between the U type structure 113, the one end and the action bars 1 fixed connection of U type structure 113, the other end hangs outside action bars 1, be equipped with three portion 12 that articulates of earth connection on the action bars 1 at least, the bottom of action bars 1 is equipped with the fixed part 13 that is used for fixed earth connection.
Compared with the prior art, the grounding wire clamp provided by the invention is characterized in that at least three hanging parts 12 are arranged on an operating rod 1, when a worker works, firstly, one grounding wire clamp (hereinafter referred to as a grounding wire clamp) provided by the invention and three grounding wire clamps (hereinafter referred to as working grounding wire clamps) provided by the invention for directly hanging and connecting wires are prepared, firstly, the grounding wire clamp is hung on a high-voltage wire, then, the working grounding wire clamp is operated, a grounding wire is clamped on the working grounding wire clamp, the working grounding wire clamp is hung on the hanging parts 12 of the grounding wire clamp, meanwhile, the grounding wire is fixed on a fixing part 13 of the grounding wire clamp, a certain margin is left between the hanging parts 12 and the fixing part 13, the grounding wire is in a loose state, at the moment, most of the weight of the grounding wire is borne by the fixing part 13, and then, the other two working grounding wire clamps are hung and connected on, the work grounding wire clamp is taken down from the hanging part 12 by the worker and then hung on a high-voltage line, so that the burden of the worker is reduced, and the labor intensity and the electric shock risk of the worker are greatly reduced.
The grounding wire clamp provided by the invention is a tool which is found out through long-term working time, is made of insulating materials such as epoxy resin, glass and fiber, and is mainly used for avoiding that a grounding wire lead touches the body of a worker due to insufficient force when a grounding wire is hung and violating the electric power safety working rules, more importantly, the lead is suddenly electrified before the grounding wire is hung due to failure of an electroscope or after the electricity is tested, and the human body touches the grounding wire lead to cause personal electric shock accidents when the grounding wire is hung. The grounding wire clamp is F-shaped, so that the problem that a person touches the grounding wire due to the fact that the worker is not good enough in strength can be effectively solved, the person keeps a safe distance from a conducting wire of the grounding wire, the person electric shock caused by the electrification of a circuit is avoided, and a safety defense line is additionally arranged for guaranteeing the personal safety.
Before the grounding wire is hung, the grounding wire clamp is hung on a middle phase conducting wire, then the grounding wire is hung on the conducting wire clamping devices 11 of three working grounding wire clamps, the working grounding wire clamp is hung on the hanging part 12 of the grounding wire clamp, the three-phase connection part of the grounding wire is extended for 2 meters towards the main wire, the grounding wire is fixed by the lower end fixing part 13 of the grounding wire clamp, the grounding wire naturally hangs down under the action of gravity, the grounding wire keeps loose from the fixing part 13 to the hanging part 12, and when the grounding wire is hung, the working grounding wire clamp hung on the hanging part 12 is taken down, so that the grounding wire can be easily hung on the three-phase conducting wire under the condition of ensuring that a human body is not touched.
Further, referring to fig. 1, as a specific embodiment of the ground wire clamp provided by the present invention, each hanging portion 12 is disposed at the middle portion of the operating rod 1 and is uniformly distributed along the outer circumference of the operating rod 1, so that the ground wires hung on the hanging portions 12 can be uniformly distributed around the operating rod 1, the ground wire clamp is uniformly stressed, deflection is avoided, and a worker can conveniently put in or take off the ground wires.
Further, referring to fig. 1, as a specific embodiment of the ground clip provided by the present invention, the hanging part 12 is a hollow part, the wire clamp 11 is hung on the hollow part, the wire clamp 11 is easily hung on the thin wall of the hollow part, and the hanging is stable, so that the worker can conveniently and quickly take off the work ground clip hung on the hollow part.
Further, referring to fig. 1, as a specific embodiment of the ground clip provided by the present invention, the hanging portion 12 is an insulating member to prevent the ground wire from leaking electricity to cause an accident.
Further, referring to fig. 1, as a specific embodiment of the ground wire clamp provided by the present invention, the fixing portion 13 includes a fixing body, the outer wall of the fixing body is provided with a plurality of slots 131 for clamping ground wires, the slots 131 are arranged along the length direction of the operating rod 1 and correspond to the hanging portions 12 one by one, after the working ground wire clamp is hung on the hanging portion 12 of the ground wire clamp, the ground wire is clamped on the slots 131 of the ground wire clamp, a certain amount of ground wires are left between the slots 131 and the ground wires of the hanging portions 12, the redundant ground wires are in a loose state, most of the weight of the ground wires is borne by the fixing portion 13, and a worker only needs to bear the weight of a part of the ground wires, so as to easily and simply hang the ground wires at a correct position, and the person is not easy.
Further, referring to fig. 1, as a specific embodiment of the ground clip provided by the present invention, the fixing portion 13 further includes a connecting member 15 for connecting the fixing body and the operating rod 1, the fixing portion 13 bears a larger weight of the ground wire and is easily damaged, the fixing portion 13 is connected to the operating rod 1 by using the connecting member 15, the fixing portion 13 can be quickly replaced, thereby avoiding replacement of other portions of the ground clip and reducing production cost, the connecting member 15 is a steel wire rope or a nylon rope, the bottom end of the operating rod 1 is provided with a fixing block for connecting the fixing portion 13, the fixing block is connected to the fixing portion 13 by the steel wire rope or the nylon rope, when the steel wire rope or the nylon rope is disconnected, only the fixing block needs to be replaced, and the operating rod.
Further, referring to fig. 1, as a specific embodiment of the ground clip provided by the present invention, a near-electric alarm 16 is disposed outside the operating rod 1, so that when an unexpected electric leakage occurs, an alarm can be given in time, and injury to a human body can be reduced.
Further, referring to fig. 1, as a specific embodiment of the ground clip provided by the present invention, a sheath 14 is disposed on an outer side of the operating rod 1, the sheath 14 is made of rubber material and is disposed on a lower side of the operating rod 1, so as to increase friction between a hand and the ground clip, prevent the hand from slipping, and improve working comfort of a worker, and the sheath 14 is disposed above the near-electric alarm 16.
Further, referring to fig. 1 and fig. 2 together, as a specific embodiment of the ground clip provided by the present invention, springs 112 for returning the two elastic clamping plates 111 are respectively disposed between the two elastic clamping plates 111 and the wire clamp 11, after the electric wire 3 is clamped, the springs 112 make the two elastic clamping plates 111 receive the force of the returned springs 112, so as to prevent the electric wire 3 from falling due to insufficient pressure, and the springs 112 can also be disposed between the two elastic clamping plates 111.
Further, referring to fig. 1 and fig. 2 together, as an embodiment of the ground clip provided by the present invention, two elastic clamping plates 111 are respectively provided with a groove 1111 for clamping a ground wire, the two grooves 1111 are oppositely disposed, the two elastic clamping plates 111 are provided with the groove 1111 for preventing the ground wire, so as to clamp the ground wire in the groove 1111, thereby improving the stability of the ground clip for clamping the ground wire.
The length of a sheath 14 of the grounding wire clamp is 150mm, the distance between a hanging part 12 and the sheath 14 is 350mm, the length of an outer ring of the hanging part 12 is 200-210mm, the distance between the hanging part 12 and the top of an operating rod 1 is 1000mm, the length of a wire clamping and pressing device 11 is 200mm, and the diameter of the operating rod 1 is 40 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a ground clamp, includes the action bars, locates the wire card on action bars top presses the ware, the wire card presses the ware to locate including the U type structure of inversion and two be used for blocking the elasticity splint of earth connection between the U type structure, the one end of U type structure with action bars fixed connection, the other end hang in outside the action bars, its characterized in that: the operating rod is at least provided with three hanging parts for hanging a working grounding wire clamp, the bottom end of the operating rod is provided with a fixing part for fixing the grounding wire, the hanging parts are hollow parts, a conductor clamping device on the working grounding wire clamp is hung on the hollow parts, the fixing part comprises a fixing body, the outer wall of the fixing body is provided with a plurality of clamping grooves for clamping the grounding wire, the clamping grooves are arranged along the length direction of the operating rod and correspond to the hanging parts one by one, the grounding wire is clamped on the clamping grooves of the grounding wire clamp, and the clamping grooves and the hanging part grounding wire are provided with residual grounding wires; the fixing part also comprises a connecting piece for connecting the fixing body and the operating rod; the connecting piece is wire rope or nylon rope, and the action bars bottom is equipped with the fixed block of connecting the fixed part, and the fixed block passes through wire rope or nylon rope with the fixed part and is connected.
2. The ground clamp of claim 1, wherein: each hanging part is arranged in the middle of the operating rod and is uniformly distributed along the outer circumference of the operating rod.
3. The ground clamp of claim 1, wherein: the hanging part is an insulating part.
4. The ground clamp of claim 1, wherein: and a near-electricity alarm is arranged on the outer side of the operating rod.
5. The ground clamp of claim 1, wherein: and a sheath is arranged on the outer side of the operating rod.
6. A ground clamp as claimed in any one of claims 1 to 5, wherein: and springs for resetting the two elastic clamping plates are respectively arranged between the two elastic clamping plates and the wire clamping device.
7. The ground clamp of claim 1, wherein: two be equipped with respectively on the elasticity splint and be used for the chucking the recess of earth connection, the recess sets up relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462259.8A CN108232481B (en) | 2017-12-28 | 2017-12-28 | Grounding wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462259.8A CN108232481B (en) | 2017-12-28 | 2017-12-28 | Grounding wire clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108232481A CN108232481A (en) | 2018-06-29 |
| CN108232481B true CN108232481B (en) | 2020-11-17 |
Family
ID=62646581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462259.8A Active CN108232481B (en) | 2017-12-28 | 2017-12-28 | Grounding wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108232481B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217152B (en) * | 2018-09-21 | 2024-03-08 | 国网湖北省电力有限公司检修公司 | High-altitude hooking device for grounding wire of 500KV transformer substation |
| CN109244784A (en) * | 2018-09-27 | 2019-01-18 | 广东电网有限责任公司 | Ground wire operating lever |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234359A (en) * | 1991-08-28 | 1993-08-10 | Hewlett-Packard Company | Terminal device for electrical connection |
| CN202058877U (en) * | 2011-03-02 | 2011-11-30 | �田�浩 | Hook type short circuit ground wire |
| CN102842782A (en) * | 2012-09-18 | 2012-12-26 | 四川省电力公司绵阳电业局 | Grounding wire operation rod |
| CN204243237U (en) * | 2014-09-24 | 2015-04-01 | 国家电网公司 | A kind of hanging earthing conductor aid of 10kV overhead wire |
| CN104767050A (en) * | 2015-04-08 | 2015-07-08 | 国网浙江武义县供电公司 | Hook type personal security line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204118374U (en) * | 2014-10-21 | 2015-01-21 | 国网河北深州市供电有限责任公司 | The earth lead point protection device in succession of earth connection |
-
2017
- 2017-12-28 CN CN201711462259.8A patent/CN108232481B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234359A (en) * | 1991-08-28 | 1993-08-10 | Hewlett-Packard Company | Terminal device for electrical connection |
| CN202058877U (en) * | 2011-03-02 | 2011-11-30 | �田�浩 | Hook type short circuit ground wire |
| CN102842782A (en) * | 2012-09-18 | 2012-12-26 | 四川省电力公司绵阳电业局 | Grounding wire operation rod |
| CN204243237U (en) * | 2014-09-24 | 2015-04-01 | 国家电网公司 | A kind of hanging earthing conductor aid of 10kV overhead wire |
| CN104767050A (en) * | 2015-04-08 | 2015-07-08 | 国网浙江武义县供电公司 | Hook type personal security line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108232481A (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108232481B (en) | Grounding wire clamp | |
| CN203288783U (en) | Electricity detection type high-voltage ground wire rod | |
| CN103235247B (en) | Insulating boot and insulating glove alternating-current voltage resistance test device | |
| CN202975127U (en) | Portable safe high-voltage electroscope | |
| CN204613283U (en) | Line inspection construction step voltage central point pick-up unit | |
| CN207396184U (en) | Insulator tension testing machine | |
| CN203800200U (en) | Portable ground wire | |
| CN205846571U (en) | Overhead transmission line telescopic earth lead hanger bar | |
| CN211404773U (en) | Ground wire connecting device for high-voltage alternating-current cable detection | |
| CN205789771U (en) | Just reassembling type breaker for device and the just detachable stand for this chopper | |
| CN108931685A (en) | A kind of safe and practical high voltage electroscope | |
| CN202189907U (en) | Grounding device with electricity testing function | |
| CN206850034U (en) | A kind of earthing clamp | |
| CN204270960U (en) | A kind of GW1 isolating switch | |
| CN203707619U (en) | Switching/electricity-testing dual-purpose insulated operating rod | |
| CN106771386A (en) | A kind of electrical test thread guide devices for making somebody a mere figurehead electrical equipment | |
| CN204832259U (en) | Portablely prevent electric reference test bar of maloperation type | |
| CN204030419U (en) | Power transmission line spacer detaching device | |
| CN203881803U (en) | Insulating rod wire-hanging connector used for CVT tests | |
| CN209559962U (en) | A kind of fence monitoring device | |
| CN208734265U (en) | A kind of insulating ladder | |
| CN204809429U (en) | Multi -functional grounding pin | |
| CN203760876U (en) | Simple grounding grid overhaul device | |
| CN203466140U (en) | Simulation fuse | |
| CN213779299U (en) | Boiler temperature tester for thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |