CN114171947B - Junction pole with telescopic supporting rod - Google Patents
Junction pole with telescopic supporting rod Download PDFInfo
- Publication number
- CN114171947B CN114171947B CN202111421543.7A CN202111421543A CN114171947B CN 114171947 B CN114171947 B CN 114171947B CN 202111421543 A CN202111421543 A CN 202111421543A CN 114171947 B CN114171947 B CN 114171947B
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- 238000012360 testing method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H01R11/15—Hook in the form of a screw clamp
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- Clamps And Clips (AREA)
Abstract
The application discloses a wiring pole provided with a telescopic supporting rod, which comprises a clamping unit; the clamping unit comprises a rod body, a screw rod, a clamping plate, a rotating piece and a clamping piece, wherein the screw rod is eccentrically arranged in the rod body, one end of the screw rod is connected with the clamping piece, the other end of the screw rod is connected with the rotating piece, the clamping plate is arranged on the clamping piece, and the clamping piece is connected with the rod body and is connected with the clamping piece; a supporting unit; the supporting unit comprises a multi-position supporting frame, a telescopic rod, a first special-shaped clamping block, an elastic piece, a control piece, a second special-shaped clamping block and a ratchet wheel, wherein the telescopic rod is arranged in the multi-position supporting frame, the first special-shaped clamping block and the elastic piece are arranged on the same end face of the telescopic rod, the control piece is arranged in a rod body, one end of the control piece is connected with the second special-shaped clamping block, the other end of the control piece extends out of the rod body, the ratchet wheel is arranged on the end face of the multi-position supporting frame, the device is small in size, easy to store and use, stable in supporting and convenient to operate, and has high popularization value.
Description
Technical Field
The application relates to the field of wiring poles, in particular to a wiring pole provided with a telescopic supporting rod.
Background
At present, the main current wiring mode is to directly wire by means of an overhead working truck, wherein the overhead working truck sends personnel and test wires to corresponding wiring positions, and the wires are directly wired; or the overhead working truck is connected with the traditional wiring rod, the method is that the overhead working truck is operated to send personnel to the middle position of the equipment, and the carried traditional wiring rod is used for wiring, so that the defects of the wiring mode are overcome: the overhead working truck has high operation cost and low efficiency; about half of 500kV voltage transformers and lightning arrester field overhead working cars cannot enter; the insulation safety distance is difficult to reliably fix due to the voltage resistance requirement; the wiring of the test instrument with a plurality of test wire clamps is not firm, the test wire clamps are easy to fall off when encountering external force, and the potential safety hazard is large; the equipment is high in height, so that observation and judgment of the state of the equipment in the test are inconvenient; the 500kV field is strong in induction electricity, and personnel wiring potential safety hazards are large, and the test precision can be influenced.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the problems occurring in the prior art.
Therefore, the technical problems to be solved by the application are the safety problem of the overhead operation and the site limitation problem.
In order to solve the technical problems, the application provides the following technical scheme: a kind of junction pole with telescopic support rod, it includes the clamping unit; the clamping unit comprises a rod body, a screw rod, a clamping plate, a rotating piece and a clamping piece, wherein the screw rod is eccentrically arranged in the rod body, one end of the screw rod is connected with the clamping piece, the other end of the screw rod is connected with the rotating piece, the clamping plate is arranged on the clamping piece, and the clamping piece is connected with the rod body and is connected with the clamping piece;
a supporting unit; the supporting unit comprises a multi-position supporting frame, a telescopic rod, a first special-shaped clamping block, an elastic piece, a control piece, a second special-shaped clamping block and a ratchet wheel, wherein the telescopic rod is arranged in the multi-position supporting frame, the first special-shaped clamping block and the elastic piece are arranged on the same end face of the telescopic rod, the control piece is arranged in a rod body, one end of the control piece is connected with the second special-shaped clamping block, the other end of the control piece extends out of the rod body, and the ratchet wheel is arranged on the end face of the multi-position supporting frame.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the rod body is provided with a containing groove, and the multi-position support frame is arranged in the containing groove.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the multi-position support frame is provided with a toothed groove, the toothed groove is arranged on the end face of the multi-position support frame, the toothed groove is provided with a first arc edge and a second arc edge, the first arc edge is arranged at one end of the toothed groove, and the second arc edge is arranged at the other end of the toothed groove.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the clamping column is arranged on the end face of the first special-shaped clamping block, the first rotating column is connected with the telescopic rod, and the clamping groove and the groove are arranged on the same end face of the first special-shaped clamping block.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the clamping piece is provided with a sliding groove, the clamping plate is provided with a sliding block, and the sliding block is arranged in the sliding groove.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the multi-position support frame is provided with a second rotating column, and the ratchet wheel is arranged on the second rotating column.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the elastic piece is provided with a shaped clamping block and a fixed column, the shaped clamping block and the clamping groove are matched with each other, and the fixed column is connected with the telescopic rod.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the control piece is provided with a contact rod and a button, the contact rod and the ratchet wheel are matched with each other, and the button is connected with the contact rod.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the multi-position support frame is characterized in that a pushing groove is further formed in the multi-position support frame, a pushing rod is further arranged on the telescopic rod, and the pushing rod is arranged in the pushing groove.
As a preferable embodiment of the application, a junction pole provided with a retractable support rod, wherein: the clamping piece is provided with a hole, and the screw rod penetrates through the hole.
The application has the beneficial effects that: the device has the advantages of small volume, easy storage and use, stable support and convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is an overall schematic diagram of the first and sixth embodiments.
Fig. 2 is a diagram of the clamping unit in the first and 6 th embodiments.
Fig. 3 is a schematic view of a multi-position support frame according to a second embodiment.
Fig. 4 is a schematic view of a first special-shaped fixture block in a second embodiment.
Fig. 5 is a schematic view showing the cooperation of the multi-position support frame and the telescopic rod in the second embodiment.
Fig. 6 is a schematic view of the control and ratchet engagement of the third embodiment.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present application provides a terminal bar provided with a telescopic support bar, a clamping unit 100; the clamping unit 100 comprises a rod body 101, a screw 102, a clamping plate 103, a rotating piece 104 and a clamping piece 105, wherein the screw 102 is eccentrically arranged in the rod body 101, one end of the screw 102 is connected with the clamping piece 105, the other end is connected with the rotating piece 104, the clamping plate 103 is arranged on the clamping piece 105, the clamping piece 105 is connected with the rod body 101, a thread groove is formed in the rod body 101, the screw 102 and the thread groove are mutually matched, the rotating piece 104 is twisted, the screw 102 rotates to keep the rod body 101 motionless, the screw 102 rotates upwards, and the lifting of the screw 102 pushes the clamping plate 103 to move upwards, so that the clamping function is realized;
a supporting unit 200; the supporting unit 200 comprises a multi-position supporting frame 201, a telescopic rod 202, a first special-shaped clamping block 203, an elastic piece 204, a control piece 205, a second special-shaped clamping block 206 and a ratchet wheel 207, wherein the telescopic rod 202 is arranged in the multi-position supporting frame 201 to stretch and slide, the first special-shaped clamping block 203 and the elastic piece 204 are arranged on the same end face of the telescopic rod 202, the control piece 205 is arranged in the rod body 101, one end of the control piece 205 is connected with the second special-shaped clamping block 206, the other end of the control piece 205 extends out of the rod body 101, the ratchet wheel 207 is arranged on the end face of the multi-position supporting frame 201, the first special-shaped clamping block 203 is rotationally connected with the telescopic rod 202, the telescopic rod 202 stretches and is fixedly controlled by the movement of the first special-shaped clamping block 203 in the multi-position supporting frame 201, and then the control piece 205 indirectly controls the rotation and the stop of the multi-position supporting frame 201.
Example 2
Referring to fig. 3 to 5, a second embodiment of the present application, which is based on the previous embodiment,
the accommodating groove 101a is formed in the rod body 101, the multi-position supporting frame 201 is arranged in the accommodating groove 101a, and the accommodating groove 101a can reduce the volume of the whole wiring rod and protect the multi-position supporting frame 201.
The multi-position support frame 201 is provided with a toothed groove 201a, the toothed groove 201a is arranged on the end face of the multi-position support frame 201 facing the direction of the accommodating groove 101a, the toothed groove 201a is provided with a first arc edge 201a-1 and a second arc edge 201a-2, the first arc edge 201a-1 is arranged at the upper end of the toothed groove 201a, the second arc edge 201a-2 is arranged at the lower end of the toothed groove 201a, a first special-shaped clamping block 203 slides in the toothed groove 201a, when the telescopic rod 202 extends outwards, the first special-shaped clamping block 203 slides outwards along the edge of the toothed groove 201a, when the telescopic rod 202 moves to a required position, the first special-shaped clamping block 203 falls into one of notches on the toothed groove 201a, the first special-shaped clamping block 203 is clamped through the notch, the first special-shaped clamping block 203 is connected with the telescopic rod 202 again, then the limiting function of the telescopic rod 202 is realized, and the telescopic rod 202 can only extend and cannot retract.
The clamping column 203a, the first rotating column 203b, the clamping groove 203c and the V-shaped groove 203d are arranged on the first special-shaped clamping block 203, the clamping column 203a is arranged on the end face of the first special-shaped clamping block 203, the first rotating column 203b is connected with the telescopic rod 202, the clamping groove 203c and the V-shaped groove 203d are arranged on the same end face of the first special-shaped clamping block 203, the telescopic rod 202 continues to be lengthened to a limit position, the first special-shaped clamping block 203 passes through the second arc edge 201a-2, the first special-shaped clamping block 203 is jacked up by the second arc edge 201a-2, the elastic piece 204 is clamped into the clamping groove 203c, the first special-shaped clamping block 203 is in clearance fit with the toothed groove 201a, the telescopic rod 202 is retracted to the initial position, and when the first special-shaped clamping block 203 passes through the first arc edge 201a-1, the first special-shaped clamping block 203 is pressed down, and the elastic piece 204 is enabled to rebound from the clamping groove 203c to the V-shaped groove 203 d.
The clamping piece 105 is provided with the chute 105a, the clamping plate 103 is provided with the slide block 103a, the slide block 103a is arranged in the chute 105a, and the square chute 105a and the square slide block 103a can enable the clamping plate 103 to slide in the chute 105 more stably, so that the stability of the clamping function is guaranteed.
Two second rotating columns 201b are arranged on the side surfaces of two ends of the multi-position support frame 201, and two ratchet wheels 207 are respectively arranged on the two second rotating columns 201 b.
The elastic piece 204 is provided with an L-shaped clamping block 204a and a fixing column 204b, the L-shaped clamping block 204a and the clamping groove 203c are matched with each other, the fixing column 204b is connected with the telescopic rod 202, when the L-shaped clamping block 204a is embedded into the clamping groove 203c, the first special-shaped clamping block 203 is disengaged from the toothed groove 201a, and when the L-shaped clamping block 204a is ejected out of the clamping groove 203c, the first special-shaped clamping block 203 slides in the toothed groove 201a, so that a unidirectional fixing function is realized.
Example 3
Referring to fig. 1-2 and 6, a third embodiment of the present application, which is based on the previous embodiment,
the control piece 205 is provided with a contact rod 205a and a button 205b, the contact rod 205a is matched with the ratchet wheel 207, the button 205b is connected with the contact rod 205a, the button 205b is pressed down, one end of the second special-shaped clamping block 206 is pressed down by the contact rod 205a, one end of the second special-shaped clamping block 206, which is contacted with the ratchet wheel 207, is tilted up, the ratchet wheel 207 can rotate, the whole multi-position support frame 201 can be rotated, and when the button 205b is loosened, the second special-shaped clamping block 206 can reset, and the button 205b can be rebounded to the initial position when reset, and meanwhile, the ratchet wheel 207 can be clamped by the second special-shaped clamping block 206, so that the multi-position support frame 201 cannot rotate.
The multi-position support frame 201 is also provided with a pushing groove 201c, the telescopic rod 202 is also provided with a pushing rod 202a, the pushing rod 202a is arranged in the pushing groove 201c, and the telescopic rod can be extended and retracted by pulling the pushing rod 202 a.
The clamping piece 105 is provided with a hole 105b, the screw 102 passes through the hole 105b to prop against the clamping plate 103, the clamping plate 103 slowly rises along with the rotation of the screw 102, and the clamping plate 103 can only rise and cannot rotate along with the screw 102 due to the fact that the clamping plate 103 is limited in the sliding groove 105 a.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (10)
1. A terminal rod with scalable bracing piece, its characterized in that: comprising the steps of (a) a step of,
a clamping unit (100); the clamping unit (100) comprises a rod body (101), a screw rod (102), a clamping plate (103), a rotating piece (104) and a clamping piece (105), wherein the screw rod (102) is eccentrically arranged in the rod body (101), a thread groove is formed in the rod body (101), the screw rod (102) and the thread groove are matched with each other, one end of the screw rod (102) is connected with the clamping piece (105), the other end of the screw rod is connected with the rotating piece (104), the clamping plate (103) is arranged on the clamping piece (105), and the clamping piece (105) is connected with the rod body (101);
a support unit (200); the supporting unit (200) comprises a multi-position supporting frame (201), a telescopic rod (202), a first special-shaped clamping block (203), an elastic piece (204), a control piece (205), a second special-shaped clamping block (206) and a ratchet wheel (207), wherein the telescopic rod (202) is arranged in the multi-position supporting frame (201), the first special-shaped clamping block (203) and the elastic piece (204) are arranged on the same end face of the telescopic rod (202), the control piece (205) is arranged in the rod body (101), one end of the control piece (205) is connected with the second special-shaped clamping block (206), the other end of the control piece extends out of the rod body (101), the ratchet wheel (207) is arranged on the end face of the multi-position supporting frame (201), the first special-shaped clamping block (203) is connected with the telescopic rod (202) in a rotating mode, the telescopic rod (202) is stretched and fixed through movement of the first special-shaped clamping block (203) in the multi-position supporting frame (201), and the control piece (205) controls rotation and stop of the ratchet wheel (207) to indirectly control rotation and stop of the multi-position supporting frame (201).
2. A terminal block with a retractable support rod as in claim 1, wherein: the rod body (101) is provided with a containing groove (101 a), and the multi-position support frame (201) is arranged in the containing groove (101 a).
3. A terminal block with a retractable support rod as in claim 2, wherein: the multi-position support frame (201) is provided with a toothed groove (201 a), the toothed groove (201 a) is arranged on the end face of the multi-position support frame (201), the toothed groove (201 a) is provided with a first arc edge (201 a-1) and a second arc edge (201 a-2), the first arc edge (201 a-1) is arranged at one end of the toothed groove (201 a), and the second arc edge (201 a-2) is arranged at the other end of the toothed groove (201 a).
4. A terminal block with a retractable support rod as in claim 3, wherein: the clamping column (203 a), the first rotating column (203 b), the clamping groove (203 c) and the V-shaped groove (203 d) are arranged on the first special-shaped clamping block (203), the clamping column (203 a) is arranged on the end face of the first special-shaped clamping block (203), the first rotating column (203 b) is connected with the telescopic rod (202), and the clamping groove (203 c) and the V-shaped groove (203 d) are arranged on the same end face of the first special-shaped clamping block (203).
5. A terminal block with a telescoping support pole as claimed in claim 4, wherein: the clamping piece (105) is provided with a sliding groove (105 a), the clamping plate (103) is provided with a sliding block (103 a), and the sliding block (103 a) is arranged in the sliding groove (105 a).
6. A terminal block with a telescoping support pole as recited in claim 5, wherein: the multi-position support frame (201) is provided with a second rotating column (201 b), and the ratchet wheel (207) is arranged on the second rotating column (201 b).
7. A terminal block with a telescoping support pole as recited in claim 6, wherein: the elastic piece (204) is provided with an L-shaped clamping block (204 a) and a fixed column (204 b), the L-shaped clamping block (204 a) and the clamping groove (203 c) are matched with each other, and the fixed column (204 b) is connected with the telescopic rod (202).
8. A terminal block with a telescoping support pole as recited in claim 7, wherein: the control piece (205) is provided with a contact rod (205 a) and a button (205 b), the contact rod (205 a) is matched with the ratchet wheel (207), and the button (205 b) is connected with the contact rod (205 a).
9. A terminal block with a telescoping support pole as recited in claim 8, wherein: the multi-position support frame (201) is further provided with a pushing groove (201 c), the telescopic rod (202) is further provided with a pushing rod (202 a), and the pushing rod (202 a) is arranged in the pushing groove (201 c).
10. A terminal block with a retractable support rod as in claim 9, wherein: the clamping piece (105) is provided with a hole (105 b), and the screw (102) penetrates through the hole (105 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421543.7A CN114171947B (en) | 2021-11-26 | 2021-11-26 | Junction pole with telescopic supporting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421543.7A CN114171947B (en) | 2021-11-26 | 2021-11-26 | Junction pole with telescopic supporting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114171947A CN114171947A (en) | 2022-03-11 |
| CN114171947B true CN114171947B (en) | 2023-12-01 |
Family
ID=80481414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111421543.7A Active CN114171947B (en) | 2021-11-26 | 2021-11-26 | Junction pole with telescopic supporting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114171947B (en) |
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| CN111490371A (en) * | 2020-05-29 | 2020-08-04 | 国网湖南省电力有限公司 | A parallel access device for a low-voltage energy storage system in a distribution network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8038453B2 (en) * | 2009-02-27 | 2011-10-18 | Hubbell Incorporated | Ground connector |
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|---|---|---|---|---|
| CN102025035A (en) * | 2009-09-21 | 2011-04-20 | 山东电力集团公司威海供电公司 | Insulated conductor grounding potentiometer |
| CN103094870A (en) * | 2013-02-01 | 2013-05-08 | 国网电力科学研究院武汉南瑞有限责任公司 | Ice-melting pup joint quick working device for jackstay-typed electric transmission line |
| CN103367944A (en) * | 2013-07-18 | 2013-10-23 | 国家电网公司 | Power transmission overhead line steering grounding device |
| CN103531927A (en) * | 2013-08-01 | 2014-01-22 | 国家电网公司 | Direct lead wire grounding wire mounting and dismounting device |
| CN204732555U (en) * | 2015-06-03 | 2015-10-28 | 娄先义 | A kind of busbar circuit Universal hook |
| CN105140676A (en) * | 2015-09-17 | 2015-12-09 | 国网安徽金寨县供电有限责任公司 | Insulating rod assisting device for mounting clamping plate type ground wire connector |
| CN111092313A (en) * | 2019-12-09 | 2020-05-01 | 国网浙江省电力有限公司丽水供电公司 | A phase-to-phase short-circuit discharge operating device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114171947A (en) | 2022-03-11 |
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