CN112072437A - Wire connecting pliers - Google Patents
Wire connecting pliers Download PDFInfo
- Publication number
- CN112072437A CN112072437A CN202010888353.5A CN202010888353A CN112072437A CN 112072437 A CN112072437 A CN 112072437A CN 202010888353 A CN202010888353 A CN 202010888353A CN 112072437 A CN112072437 A CN 112072437A
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- arc
- handle
- wire
- clamping
- clamping part
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- 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
- H01R43/033—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wrapping or unwrapping wire connections
Abstract
The invention relates to the technical field of electric power operation and maintenance equipment, and particularly discloses wire connection pliers, which comprise a first clamping part, a second clamping part and a rotating shaft part, the first handle and the second handle, first clamping part and first handle fixed connection, second clamping part and second handle fixed connection, first handle and second handle pass through the pivot portion and articulate, the first handle, the second handle, the surface of first clamping part and second clamping part is provided with the insulating layer, be provided with first arc clamping structure on the first clamping part, be provided with second arc clamping structure on the second clamping part, the arc mouth of first arc clamping structure is relative with the arc mouth of second arc clamping structure, can hold the first electrically conductive core of first wire between first arc clamping structure and the second arc clamping structure, be provided with the breach on first clamping part or the second clamping part, the breach can hold the electrically conductive core of second wire. The wire connecting clamp disclosed by the invention is high in winding efficiency and good in winding effect, and can avoid electric shock of operation and maintenance personnel.
Description
Technical Field
The invention relates to the technical field of electric power operation and maintenance equipment, in particular to wire connection pliers.
Background
At the electric wire netting enterprise, the electric energy meter of installing newly at the user in the middle of the process of installation, because guarantee the quality of service of power supply, can not have a power failure in the middle of this process of inserting the power, need live-line operation, it is the work that electric wire netting distribution fortune dimension staff often developed to connect a fire with electricity in low pressure, also one of the indispensable technical skill of one item, after shelling the wire, need twine two wire together, in the middle of this process, need wear the safety belt and climb on the wire pole, need wear insulating gloves, with the many tiny wires of divideing into of two wire, then the winding of one piece again is in the same place, it is durable to guarantee the ligature, just can not contact failure.
Because the traditional operation mode is manually operated in the whole process, two electrified metal wires need to be wound by hands, the winding efficiency is low, the winding effect is difficult to ensure, and the phenomenon of poor contact is easy to occur; insulating gloves are easy to wear, have the safety risk of electric shock, and the too long time of operation on the pole in addition also very tests fortune dimension staff's physical quality.
Disclosure of Invention
The embodiment of the invention aims to provide wire connection pliers which are high in winding efficiency, good in winding effect and capable of avoiding electric shock of operation and maintenance personnel.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
the utility model provides a wire connection clamp, including first clamping part, second clamping part, pivot portion, first handle and second handle, first clamping part with first handle fixed connection, second clamping part with second handle fixed connection, first handle and second handle pass through pivot portion is articulated, first handle, second handle, first clamping part and the surface of second clamping part are provided with the insulating layer, be provided with first arc clamping structure on the first clamping part, be provided with second arc clamping structure on the second clamping part, the arc mouth of first arc clamping structure is relative with the arc mouth of second arc clamping structure, first arc clamping structure with can hold the first conductive core of first wire between the second arc clamping structure, be provided with the breach on first clamping part or the second clamping part, the breach can hold the electrically conductive core of second wire, orders about the wire connection pincers is relative when the axis of first wire rotates, can with the electrically conductive core winding of second is in on the first electrically conductive core.
As a preferable scheme of the wire connecting pliers, a smooth structure is provided on a surface of the notch, so that the second conductive core can slide on the smooth structure.
As an optimal scheme of the wire connecting clamp, the arc-shaped surface of the first arc-shaped clamping structure and the arc-shaped surface of the second arc-shaped clamping structure are both provided with thread structures, and the trend of the thread line of each thread structure corresponds to the winding direction of the second conductive core relative to the first conductive core.
As a preferable scheme of the wire connecting clamp, a return spring is arranged between the first handle and the second handle.
As a preferable scheme of the wire connecting pliers, a locking structure is arranged on the rotating shaft part, and the locking structure is used for limiting the relative rotation between the first handle and the second handle.
As a preferable aspect of the wire connecting pliers, a central angle of the arc-shaped surface of the first arc-shaped structure is less than 180 °, and a central angle of the arc-shaped surface of the first arc-shaped structure is less than 180 °.
As a preferred scheme of the wire connecting clamp, the end parts of the first clamping part and the second clamping part are respectively provided with a cutter holder, and the cutter holders are provided with arc-shaped blades.
As a preferable embodiment of the wire connecting pliers, the tool post is movably disposed at an end of the first clamping portion and an end of the second clamping portion.
As a preferred scheme of wire connection pliers, the rotating shaft part is provided with a rubber seat, the rubber seat is provided with an insulating adhesive tape, and the insulating adhesive tape can move relative to the rubber seat.
As a preferred scheme of wire connection pliers, still be provided with the butt portion on the gluey seat, the tip of insulating sticky tape sets up on the butt portion, the butt portion can the butt be in on the first wire, so that insulating sticky tape can attach in when following wire connection pliers rotation on the first wire.
The embodiment of the invention has the beneficial effects that:
the wire connecting clamp is formed by the first clamping part, the second clamping part, the rotating shaft part, the first handle and the second handle, wherein the first clamping part is fixedly connected with the first handle, the second clamping part is fixedly connected with the second handle, the first handle and the second handle are hinged through the rotating shaft part, and when the first handle and the second handle are driven to rotate relatively, the first clamping part and the second clamping part can be relatively close to or far away from each other. The surfaces of the first handle, the second handle, the first clamping part and the second clamping part are provided with insulating layers, so that operation and maintenance personnel can directly hold the first handle and the second handle and can touch the first clamping part and the second clamping part to operate. The first arc-shaped clamping structure is arranged on the first clamping portion, the second arc-shaped clamping structure is arranged on the second clamping portion, an arc opening of the first arc-shaped clamping structure is opposite to an arc opening of the second arc-shaped clamping structure, the first conductive core of the first wire can be accommodated between the first arc-shaped clamping structure and the second arc-shaped clamping structure, a notch is arranged on the first clamping portion or the second clamping portion, and the second conductive core of the second wire can be accommodated in the notch. When the wire connection pliers are driven to rotate relative to the central axis of the first wire, the second conductive core in the notch can be driven to rotate, and therefore the second conductive core is wound on the first conductive core. According to the embodiment of the invention, hands are not needed to directly contact the electrified first conductive core and the electrified second conductive core, the first conductive core and the second conductive core are clamped through the wire connecting clamp of the embodiment of the invention, and when the wire connecting clamp is rotated rapidly, the second conductive core can be rapidly and tightly wound on the first conductive core, so that the winding efficiency and the winding effect are improved, the result of poor contact is avoided, and the operation time of operation and maintenance personnel is also reduced; moreover, the insulating layer is arranged, insulating gloves of operation and maintenance personnel can be omitted, the insulating gloves are not easy to wear even if the insulating gloves are arranged, and the risk of electric shock is avoided.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic side view of a wire connecting clamp according to an embodiment of the present invention.
Fig. 2 is a schematic side view of a wire connecting clamp according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a view angle of a wire splicing clamp according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a wire splicing clamp according to another embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second conductive core wound around a first conductive core by using wire splicing pliers according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a second conductive core wound around a first conductive core according to an embodiment of the present invention.
In the figure:
1. a first clamping portion; 11. a first arc-shaped clamping structure; 102. a rotating shaft part; 2. a second clamping portion; 21. a second arc-shaped clamping structure; 3. a first handle; 304. an insulating layer; 4. a second handle; 5. a notch; 51. a smooth structure; 61. a thread structure; 62. a return spring; 63. a locking structure; 7. a tool apron; 71. an arc-shaped blade; 8. a rubber base; 81. an abutting portion; 9. an insulating tape; 20. a first conductive line; 201. a first conductive core; 30. a second conductive line; 301. a second conductive core.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, an embodiment of the present invention provides a wire connecting clamp, including a first clamping portion 1, a second clamping portion 2, a rotating shaft portion 102, a first handle 3 and a second handle 4, wherein the first clamping portion 1 is fixedly connected to the first handle 3, the second clamping portion 2 is fixedly connected to the second handle 4, the first handle 3 and the second handle 4 are hinged via the rotating shaft portion 102, an insulating layer 304 is disposed on the surfaces of the first handle 3, the second handle 4, the first clamping portion 1 and the second clamping portion 2, a first arc-shaped clamping structure 11 is disposed on the first clamping portion 1, a second arc-shaped clamping structure 21 is disposed on the second clamping portion 2, an arc-shaped opening of the first arc-shaped clamping structure 11 is opposite to an arc-shaped opening of the second arc-shaped clamping structure 21, a first conductive core 201 capable of accommodating a first wire 20 is disposed between the first arc-shaped clamping structure 11 and the second arc-shaped clamping structure 21, a notch 5 is disposed on the first clamping portion 1 or the second clamping portion 2, the gap 5 can accommodate the second conductive core 301 of the second wire 30, and when the wire connecting pliers are driven to rotate relative to the central axis of the first wire 20, the second conductive core 301 can be wound on the first conductive core 201.
In the embodiment of the invention, the wire connecting clamp is formed by the first clamping part 1, the second clamping part 2, the rotating shaft part 102, the first handle 3 and the second handle 4, wherein the first clamping part 1 is fixedly connected with the first handle 3, the second clamping part 2 is fixedly connected with the second handle 4, the first handle 3 and the second handle 4 are hinged through the rotating shaft part 102, and when the first handle 3 and the second handle 4 are driven to rotate relatively, the first clamping part 1 and the second clamping part 2 can be relatively close to or far away from each other. The surfaces of the first handle 3, the second handle 4, the first clamping part 1 and the second clamping part 2 are provided with the insulating layer 304, so that an operation and maintenance worker can directly hold the first handle 3 and the second handle 4 and can touch the first clamping part 1 and the second clamping part 2 for operation. Be provided with first arc clamping structure 11 on the first clamping part 1, be provided with second arc clamping structure 21 on the second clamping part 2, the arc mouth of first arc clamping structure 11 is relative with the arc mouth of second arc clamping structure 21, refer to fig. 5, can hold the first electrically conductive core 201 of first wire 20 between first arc clamping structure 11 and the second arc clamping structure 21, be provided with breach 5 on first clamping part 1 or the second clamping part 2, breach 5 can hold the electrically conductive core 301 of second wire 30. When the wire connection pliers are driven to rotate relative to the central axis of the first wire 20, the second conductive core 301 in the gap 5 can be driven to rotate, so that the second conductive core 301 is wound on the first conductive core 201, and the final winding effect is as shown in fig. 6. According to the embodiment of the invention, hands are not needed to directly contact the first conductive core 201 and the second conductive core 301 which are electrified, the first conductive core 201 and the second conductive core 301 are clamped through the wire connecting clamp of the embodiment of the invention, and when the wire connecting clamp is rotated rapidly, the second conductive core 301 can be rapidly and tightly wound on the first conductive core 201, so that the winding efficiency and the winding effect are improved, the result of poor contact is avoided, and the operation time of operation and maintenance personnel is also reduced; moreover, the insulating layer 304 is arranged, so that insulating gloves of operation and maintenance personnel can be omitted, the insulating gloves are not easy to wear even if the insulating gloves are arranged, and the risk of electric shock is avoided.
In one embodiment, referring to fig. 3, the surface of the notch 5 is provided with a round structure 51, so that the second conductive core 301 can slide on the round structure 51, and the second conductive core 301 can be prevented from being scratched by the notch 5.
Optionally, with continued reference to fig. 3, the arc-shaped surface of the first arc-shaped clamping structure 11 and the arc-shaped surface of the second arc-shaped clamping structure 21 are both provided with a thread structure 61, and the thread line of the thread structure 61 runs corresponding to the winding direction of the second conductive core 301 relative to the first conductive core 201. When the wire connecting clamp of the embodiment of the invention is driven to rotate, the second conductive core 301 can be guided to rotate along with the thread of the thread structure 61 and be tightly attached to the side surface of the first conductive core 201, so that the second conductive core 301 is prevented from being repeatedly wound on the side surface of the first conductive core 201, and the contact area is reduced.
In particular, referring to fig. 1, a return spring 62 is arranged between the first handle 3 and the second handle 4, the return spring 62 can return the distance between the first handle 3 and the second handle 4, can be used for driving the first clamping portion 1 and the second clamping portion 2 to approach each other, reduces the physical force operation of the operation and maintenance personnel, and can also be matched with the grip strength of the operation and maintenance personnel, so as to adjust the distance between the first clamping portion 1 and the second clamping portion 2, and avoid crushing the first conductive core 201 and the second conductive core 301.
In another embodiment, referring to fig. 2, a locking structure 63 is disposed on the rotating shaft 102, the locking structure 63 is used to limit the relative rotation between the first handle 3 and the second handle 4, when the relative position between the first handle 3 and the second handle 4 needs to be adjusted to enable the first clamping portion 1 and the second clamping portion 2 to press the first conductive core 201 and the second conductive core 301, after the relative position is adjusted, the first handle 3 and the second handle 4 can be locked to enable the first clamping portion 1 and the second clamping portion 2 to continuously press the first conductive core 201 and the second conductive core 301, and the wire connecting clamp can be driven by one hand to rotate relative to the first conductive core 201, so as to free the other hand for other work.
Optionally, referring to fig. 2, a central angle of the arc-shaped surface of the first arc-shaped structure is less than 180 °, and two arc-shaped surfaces with central angles less than 180 ° can clamp the first conductive cores 201 with different diameters, so that the application range of the wire connecting clamp according to the embodiment of the present invention is increased.
In a preferred embodiment, referring to fig. 3, the end of the first clamping portion 1 and the end of the second clamping portion 2 are respectively provided with a tool seat 7, and the tool seats 7 are provided with arc-shaped blades 71. According to the embodiment of the invention, the arc-shaped blade 71 is arranged, so that the insulating layer 304 of the first conducting wire 20 can be cut to expose the first conducting core 201, different work can be completed by using one tool, and the carrying of other tools is reduced during work.
More preferably, the tool post 7 is movably disposed with the end of the first clamping portion 1 and the end of the second clamping portion 2, so that the tool post 7 can be directly detached or mounted on the end of the first clamping portion 1 and the end of the second clamping portion 2, thereby facilitating the operation and use of the wire connecting clamp.
Referring to fig. 4, a rubber base 8 may be provided on the rotary shaft 102, an insulating tape 9 may be provided on the rubber base 8, the insulating tape 9 may be movable relative to the rubber base 8, and the wire splicing pliers may be directly used when the insulating tape 9 is needed.
Further, with reference to fig. 4, the adhesive base 8 is further provided with a contact portion 81, an end portion of the insulating tape 9 is disposed on the contact portion 81, and the contact portion 81 can contact the first wire 20, so that the insulating tape 9 can be attached to the first wire 20 when rotating along with the wire connecting clamp. The embodiment can be provided with the abutting part 81 to assist the winding of the insulating tape 9, when the wire connecting clamp is driven to rotate relative to the first conductive core 201 and wind the second conductive core 301, the insulating tape 9 can be synchronously wound at one end deviating from the winding direction of the second conductive core 301, the winding process of the wire connecting clamp on the first conductive core 201 is reduced, and the working efficiency is further improved.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The wire connecting pliers are characterized by comprising a first clamping part, a second clamping part, a rotating shaft part, a first handle and a second handle, wherein the first clamping part is fixedly connected with the first handle, the second clamping part is fixedly connected with the second handle, the first handle and the second handle are hinged through the rotating shaft part, an insulating layer is arranged on the surface of the first handle, the surface of the second handle, the surface of the first clamping part and the surface of the second clamping part, a first arc-shaped clamping structure is arranged on the first clamping part, a second arc-shaped clamping structure is arranged on the second clamping part, an arc opening of the first arc-shaped clamping structure is opposite to an arc opening of the second arc-shaped clamping structure, a first conductive core capable of containing a first wire is arranged between the first arc-shaped clamping structure and the second arc-shaped clamping structure, a notch is arranged on the first clamping part or the second clamping part, the breach can hold the electrically conductive core of second wire, orders about the wire connection pincers is relative when the axis of first wire rotates, can with the electrically conductive core winding of second is in on the first electrically conductive core.
2. The wire splicing forceps according to claim 1, wherein the surface of the notch is provided with a rounded structure so that the second conductive core can slide on the rounded structure.
3. The wire connection pliers according to claim 1, wherein the arc-shaped surface of the first arc-shaped clamping structure and the arc-shaped surface of the second arc-shaped clamping structure are both provided with a thread structure, and the trend of the thread line of the thread structure corresponds to the winding direction of the second conductive core relative to the first conductive core.
4. The wire splicing pliers of claim 1 wherein a return spring is disposed between the first handle and the second handle.
5. The wire splicing pliers of claim 1 wherein the shaft portion is provided with a locking structure for limiting relative rotation between the first handle and the second handle.
6. The wire splicing pliers of claim 1 wherein the arc of the first arcuate structure has a central angle of less than 180 ° and the arc of the first arcuate structure has a central angle of less than 180 °.
7. The wire splicing pliers according to claim 1, wherein a knife holder is provided on each of the end of the first clamping portion and the end of the second clamping portion, and an arc-shaped blade is provided on the knife holder.
8. The wire splicing pliers of claim 7 wherein the tool holder is movably disposed with an end of the first clamping portion and an end of the second clamping portion.
9. The wire splicing pliers according to claim 1, wherein the rotating shaft is provided with a rubber base, and an insulating tape is arranged on the rubber base and can move relative to the rubber base.
10. The wire splicing forceps according to claim 9, wherein the rubber base is further provided with a butting portion, an end portion of the insulating tape is arranged on the butting portion, and the butting portion can be butted against the first wire, so that the insulating tape can be attached to the first wire when rotating along with the wire splicing forceps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888353.5A CN112072437B (en) | 2020-08-28 | 2020-08-28 | Wire connecting pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888353.5A CN112072437B (en) | 2020-08-28 | 2020-08-28 | Wire connecting pliers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112072437A true CN112072437A (en) | 2020-12-11 |
| CN112072437B CN112072437B (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010888353.5A Active CN112072437B (en) | 2020-08-28 | 2020-08-28 | Wire connecting pliers |
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| Country | Link |
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| CN (1) | CN112072437B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013797A (en) * | 2021-02-09 | 2021-06-22 | 国网浙江桐乡市供电有限公司 | Fixing device for low-voltage live exchange of electric wire for electric meter |
| CN113241684A (en) * | 2021-05-27 | 2021-08-10 | 广东电网有限责任公司 | Tool pliers |
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| US6026939A (en) * | 1997-05-15 | 2000-02-22 | K2 Bike Inc. | Shock absorber with stanchion mounted bypass damping |
| CN102979350A (en) * | 2012-11-23 | 2013-03-20 | 沧州供电公司 | Stay wire binding tool |
| CN204216383U (en) * | 2014-12-04 | 2015-03-18 | 重庆市丽丹装饰有限公司 | Electrician's wiring coiling clamps |
| CN205178247U (en) * | 2015-11-17 | 2016-04-20 | 东莞市电子科技学校 | Electric wire connecting tool |
| CN210926577U (en) * | 2019-09-10 | 2020-07-03 | 嘉聪新能源科技(上海)有限公司 | Short wire integrated wiring clamp |
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2020
- 2020-08-28 CN CN202010888353.5A patent/CN112072437B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026939A (en) * | 1997-05-15 | 2000-02-22 | K2 Bike Inc. | Shock absorber with stanchion mounted bypass damping |
| CN102979350A (en) * | 2012-11-23 | 2013-03-20 | 沧州供电公司 | Stay wire binding tool |
| CN204216383U (en) * | 2014-12-04 | 2015-03-18 | 重庆市丽丹装饰有限公司 | Electrician's wiring coiling clamps |
| CN205178247U (en) * | 2015-11-17 | 2016-04-20 | 东莞市电子科技学校 | Electric wire connecting tool |
| CN210926577U (en) * | 2019-09-10 | 2020-07-03 | 嘉聪新能源科技(上海)有限公司 | Short wire integrated wiring clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013797A (en) * | 2021-02-09 | 2021-06-22 | 国网浙江桐乡市供电有限公司 | Fixing device for low-voltage live exchange of electric wire for electric meter |
| CN113013797B (en) * | 2021-02-09 | 2023-10-10 | 国网浙江桐乡市供电有限公司 | Fixing device for low-voltage live-line exchange of electric wire for ammeter |
| CN113241684A (en) * | 2021-05-27 | 2021-08-10 | 广东电网有限责任公司 | Tool pliers |
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| Publication number | Publication date |
|---|---|
| CN112072437B (en) | 2022-04-08 |
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