CN111009851A - Portable live working bypass equipment - Google Patents
Portable live working bypass equipment Download PDFInfo
- Publication number
- CN111009851A CN111009851A CN201911316812.6A CN201911316812A CN111009851A CN 111009851 A CN111009851 A CN 111009851A CN 201911316812 A CN201911316812 A CN 201911316812A CN 111009851 A CN111009851 A CN 111009851A
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- Prior art keywords
- hook
- rod
- fuse
- drainage
- wire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses portable live working bypass equipment which comprises a cable insulation hanging rod, an insulation hook and a drop-out fuse. The invention has the advantages that: the intelligent switch on the column is replaced by the new equipment, bypass construction can be completed by using only one operation vehicle, the original equipment is used for two operation vehicles, and the new equipment only needs to be hung with a group of special drop-out fuses, the lead wires and the lead wire fixing cross arm, so that the weight is much lighter than that of the original bypass switch and the lead wires, and the cost is reduced by at least 80%. The defect that the replacement of the intelligent switch on the column is time-consuming and labor-consuming by utilizing the original bypass operation is overcome, and the equipment purchasing cost is greatly saved.
Description
Technical Field
The invention relates to a portable live working bypass device.
Background
Along with the increasing demand of power supply reliability, the application of intelligent switches is also increasing. In order to change the intelligent switch on the column without power outage, the intelligent switch on the column is changed by using a bypass operation method without power outage at the present stage. However, the intelligent switch on the column of the existing bypass equipment is complex to use, a temporary bypass needs to be built by using the bypass switch, the insulating drainage wire and the insulating drainage wire fixing cross arm, the intelligent switch is disconnected after the bypass is switched on, the drainage wires on two sides are disconnected, the intelligent switch is replaced, an operator needs to hoist the bypass switch and a bypass switch lead, the bypass switch and the bypass switch lead are heavy in weight, the defect of high labor intensity is caused, the cost of the whole set of equipment is high, the equipment is difficult to configure in a large range, and therefore the equipment which is safer and easier to use for replacing the intelligent switch on the column by using the bypass operation is to be developed.
Disclosure of Invention
The invention aims to provide portable live working bypass equipment which can effectively solve the problems of high intelligent cost and complex replacement mode of the existing uninterrupted bypass operation.
In order to solve the technical problems, the invention is realized by the following technical scheme: a portable hot-line work bypass device comprises a cable insulation hanging rod, an insulation hook and a drop-out fuse;
the cable insulation hanging rod comprises a rod body, a drainage wire and a drainage hook, wherein two ends of the drainage wire are respectively connected with the drainage hook, a plurality of transverse spacing holes are uniformly formed in the rod body, the transverse rod body and the drainage wire are fixedly connected through a binding band penetrating through the transverse spacing holes, a plurality of vertical spacing holes are also uniformly formed in the rod body, and each vertical spacing hole is connected with a winding wire;
the insulating hook comprises a hook body, a lock catch and a torsion spring, wherein the hook body comprises a rotating end and a lock catch end, the end part of the rotating end of the hook body is provided with a circular first snap ring, the lock catch end of the hook body is provided with a snap groove towards the rotating end, the cross section of the lock catch is in an L shape and comprises a lock rod, a pull rod and a rotating part, the tail end of the lock rod and the front end of the pull rod are both connected with the rotating part, the rotating part is provided with a rotating hole, the rotating part is rotatably connected with the rotating end of the hook body through a rotating shaft screw, the torsion spring is sleeved on the rotating shaft screw, the front end of the lock rod is buckled in the snap groove, and the tail end of the pull rod;
the drop-out fuse comprises a fuse tube body, a hook and a brass screw, wherein the brass screw is in threaded connection with the bottom of the fuse tube body, the hook is detachably connected with the top of the fuse tube body, and a brass wire penetrates through the fuse tube body;
the hook comprises a hook body, one end of the hook body is provided with a boss extending towards the other end of the hook body, the boss is provided with a threaded hole, the threaded hole is connected with a connecting screw rod, the top end of the connecting screw rod extends towards the inside of the hook body, the top end of the connecting screw rod is fixed with a top block, and the bottom end of the connecting screw rod is fixed with a lifting ring nut;
the winding wire is fixedly connected with the first retaining ring, and the drainage hook at one end of the drainage wire is fixedly connected with the brass screw of the drop-out fuse.
Preferably, vertical interval hole is the screw hole, twine the one end of silk thread even have with vertical interval hole complex bolt, twine the other end of silk thread even have insulating couple, through screw hole can be quick with kinking fixed connection, easy to assemble with fixed to twine the other end of silk thread and be insulating couple, also can make things convenient for kinking to fix corresponding position on the pole.
Preferably, the side of the lock rod is further fixed with a stop block, the stop block is buckled in the buckling groove, the stop block is increased, and the sufficient buckling contact area can be still maintained after the thickness of the buckle is reduced and the weight is reduced.
Preferably, the rotating end of the hook body is provided with a placing groove, the torsional spring is arranged in the placing groove, the placing groove is formed, the torsional spring is better fixed, and the assembly of the safety hook is facilitated.
Preferably, the threaded hole is opened to the bottom of kicking block and connecting screw's top threaded connection, the top of kicking block is equipped with the cross section and is half-circular arc's recess, the threaded hole of kicking block bottom be convenient for with connecting screw fixed connection, the recess at top simultaneously can be better adaptation cable and press from both sides tightly.
Preferably, the top of fuse body is fixed with the upper junction plate, boss and coupler body junction are equipped with the fixed orifices, pass fixed orifices and upper junction plate through the bolt and will get in touch with the upper junction plate is fixed together, through the upper junction plate, conveniently fix couple and fuse body together.
Preferably, fuse body bottom is equipped with down the connecting plate, the L shape that the connecting plate cross section becomes to invert down includes horizontal plate and vertical board, horizontal plate and fuse body bottom fixed connection, vertical board and brass screw rod fixed connection let the brass screw rod firm be connected with the fuse body through lower connecting plate.
Compared with the prior art, the invention has the advantages that: through setting up the body of rod, it is fixed through the band between the body of rod and the drainage wire, even as an organic whole with the body of rod and drainage wire, prevent that the drainage wire from flagging, and still be equipped with vertical interval hole on the body of rod and be connected with the kinking, control the descending height of the body of rod, avoid hanging other components, this device simple structure, the installation sets up conveniently, does benefit to workman's fast operation.
Through set up the buckle respectively on coupler body and hasp, can utilize the excellent removal of control hasp of order gram through the buckle, open the couple to need not personnel and climb up the shaft tower and just can break away from insurance couple and pole, improved dismantlement efficiency greatly.
The hook can be directly hooked with the wire quickly, and the brass screw can realize quick connection of the bypass drainage wire; the hook is driven and screwed by the connecting screw rod, and is clamped by the jacking block, so that the functions of loosening and clamping a wire are avoided during locking; the brass wire is used for replacing the original fuse, so that the purpose of manually controlling the opening and closing of the fuse can be achieved, and the work is convenient.
The intelligent switch on the column is replaced by the new equipment, bypass construction can be completed by using only one operation vehicle, the original equipment is used for two operation vehicles, and the new equipment only needs to be hung with a group of special drop-out fuses, the lead wires and the lead wire fixing cross arm, so that the weight is much lighter than that of the original bypass switch and the lead wires, and the cost is reduced by at least 80%. The defect that the replacement of the intelligent switch on the column is time-consuming and labor-consuming by utilizing the original bypass operation is overcome, and the equipment purchasing cost is greatly saved.
Drawings
FIG. 1 is a schematic structural diagram of a portable hot-line work bypass apparatus according to the present invention;
fig. 2 is a schematic structural view of a rod body in the cable insulation hanging rod of the present invention.
FIG. 3 is a schematic view of an insulating hook according to the present invention;
fig. 4 is an exploded view of fig. 3.
FIG. 5 is a schematic structural diagram of a quick-attach drop-out fuse of the present invention;
fig. 6 is an exploded view of fig. 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an embodiment of a portable live-wire work bypass device of the present invention is a portable live-wire work bypass device, which includes a cable insulating hanging rod, an insulating hook, and a drop-out fuse;
referring to fig. 1 and 2, the embodiment of the cable insulation hanging rod of the invention comprises a rod body 1, a drainage wire 2 and a drainage hook 3, wherein two ends of the drainage wire 2 are respectively connected with the drainage hook 3, a plurality of transverse spacing holes 4 are uniformly formed in the rod body 1, the transverse rod body 1 and the drainage wire 2 are fixedly connected through a strap 5 penetrating through the transverse spacing holes 4, a plurality of vertical spacing holes 6 are also uniformly formed in the rod body 1, each vertical spacing hole 6 is connected with a winding wire 7, and the other end of the winding wire 7 is connected with an insulation hook 8.
Through setting up the body of rod 1, it is fixed through band 5 between the body of rod 1 and the drainage wire 2, even as an organic whole with the body of rod 1 and drainage wire 2, prevent that drainage wire 2 from flagging, and still be equipped with vertical interval hole 6 on the body of rod 1 and be connected with kinking 7, control the descending height of the body of rod 1, avoid hanging other components, this device simple structure, the installation sets up conveniently, does benefit to workman's quick operation.
For the convenience of installation, vertical interval hole 6 is the screw hole, twine the one end of silk thread 7 even have with vertical interval hole 6 complex bolt, twine the other end of silk thread 7 even have insulating couple 8, twine silk thread 7 like this and fix together through threaded connection with the body of rod 1, and twine the other end of silk thread 7 and can hang corresponding position on the pole through insulating couple 8, fix the body of rod 1.
Further, the length of the rod body 1 is shorter than that of the drainage wire 2, the cross section of the transverse spacing holes 4 is rectangular, and the width of the transverse spacing holes 4 is larger than the thickness of the belt 5 and smaller than the thickness of the double belt 5.
During the use, fix drainage couple 3 at the both ends of drainage wire 2 earlier, then pass corresponding horizontal interval hole 4 through band 5 and fix the body of rod 1 and drainage wire 2 together, 6 threaded connection of the vertical interval hole that corresponds on the bolt and the body of rod 1 of kinking 7 one end of silk thread, then hang the insulating couple 8 of kinking 7 other ends on corresponding position on the pole, hang drainage couple 3 on the electrical components that correspond at last, accomplish the installation. After the device is adopted, the drainage wire 2 can be supported by the rod body 1, the phenomenon of looseness can not occur, the arrangement of the rod body 1 is relatively simple to assemble and disassemble, and time and labor are saved when the drainage wire is hung and disassembled.
Referring to fig. 3 and 4, the insulating hook comprises a hook body 20, a latch 21 and a torsion spring 22, wherein the hook body 20 and the latch 21 are made of insulating materials or coated with insulating layers on the surfaces, the hook body 20 comprises a rotating end 23 and a hasp end 24, the end of the rotating end 23 of the hook body 20 is provided with a first annular retaining ring 25, the buckle end 24 of the hook body 20 is provided with a buckle groove 26 facing the rotating end 23, the cross section of the buckle 21 is L-shaped and comprises a lock rod 27, a pull rod 28 and a rotating part 29, the lock rod 27 and the pull rod 28 are in an upward 90-degree relation, the tail end of the lock rod 27 and the front end of the pull rod 28 are both connected with a rotating part 29, the rotating part 29 is provided with a rotating hole 30, the rotating part 29 is rotatably connected with the rotating end 23 of the hook body 20 through a rotating shaft screw 31, the torsion spring 22 is sleeved on the rotating shaft screw, so that the front end of the lock rod 27 is buckled in the buckling groove 26, and the tail end of the pull rod 28 is provided with a second buckling ring 32.
Through set up the buckle respectively on coupler body 20 and hasp 21, can utilize order gram stick control hasp 21's removal through the buckle, open the couple to need not personnel and climb up the shaft tower and just can break away from insurance couple and pole, improved dismantlement efficiency greatly.
Further, in order to reduce the overall weight and ensure good engagement between the lock catch 21 and the hook 20, a stop 33 is fixed to the side of the lock lever 27, the stop 33 is engaged in the engaging groove 26, and generally, the lock catch 21 is installed on one side of the hook 20, so that the stop 33 needs to be fixed on the side of the lock lever 27 close to the hook 20 by a bolt.
The rotating end 23 of the hook body 20 is provided with a placing groove 34, the torsion spring 22 is arranged in the placing groove 34, the torsion spring 22 can be positioned firstly through the placing groove 34, so that the insulating hook is convenient to assemble, and a hole for penetrating through the rotating shaft screw 31 on the hook body 20 can be also arranged in the placing groove 34.
During assembly, the stop 33 is locked on the side wall of the lock rod 27 of the lock catch 21 by a cross screw, then the torsion spring 22 is placed in the placing groove 34, the hook body 20 and the lock catch 21 are assembled together by the rotating shaft screw 31, then the nut is used for locking, and finally the limit screw 35 is fixed on the first retaining ring 25 below the second retaining ring 32, so that the installation of the whole insulating hook is completed. When the hook is used, a brake rod can be inserted into the first retaining ring 25 and the second retaining ring 32 to control the opening and closing of the hook body 20 and the lock catch 21, so that the fixing and the dismounting are realized.
Referring to fig. 5 and 6, the drop-out fuse comprises a fuse tube body 50, a hook 51 and a brass screw 52, wherein the brass screw 52 is in threaded connection with the bottom of the fuse tube body 50, the hook 51 is detachably connected with the top of the fuse tube body 50, and a brass wire 53 penetrates through the fuse tube body 50;
the hook 51 comprises a hook body 54, a boss 55 extending towards the other end of the hook body 54 is arranged at one end of the hook body 54, a threaded hole is formed in the boss 55, a connecting screw rod 56 is connected with the threaded hole, the top end of the connecting screw rod 56 extends into the hook body 54, a top block 57 is fixed at the top end of the connecting screw rod 56, and a lifting ring nut 58 is fixed at the bottom end of the connecting screw rod 56.
The hook 51 can be directly hooked with a lead wire quickly, and the brass screw 52 can realize quick connection of a bypass drainage wire; the hook 51 is driven and screwed by the connecting screw rod 56 and clamped by the top block 57, so that the functions of loosening and clamping a wire cannot occur during locking; the brass wire 53 is used for replacing the original fuse, so that the purpose of manually controlling the opening and closing of the fuse can be achieved, and the work is convenient.
Further, in order to better connect the hook 51 with a cable, the bottom of the top block is provided with a threaded hole in threaded connection with the top end of the connecting screw rod 56, and the top of the top block is provided with a groove 59 with a semi-arc-shaped cross section.
In order to facilitate the connection between the hook 51 and the brass screw 52 and the fuse tube 50, an upper connecting plate 60 is fixed on the top of the fuse tube 50, a fixing hole 61 is formed at the connection between the boss 55 and the hook body 54, and the hook 51 and the upper connecting plate 60 are fixed together by bolts passing through the fixing hole 61 and the upper connecting plate 60. Fuse body 50 bottom is equipped with lower connecting plate 62, lower connecting plate cross section becomes L shape of invering and includes horizontal plate 63 and vertical board 64, horizontal plate 63 and fuse body 50 bottom fixed connection, vertical board 64 and brass screw 52 fixed connection.
In the assembling process, the connecting screw rod 56 penetrates through the threaded hole in the boss 55 from bottom to top, then the top block 57 is fixed at the top of the screw rod by using a spring pin, then the lifting ring nut 58 is fixed at the tail of the screw rod by using the spring pin, and the hook 51 is partially assembled. The brass wire 53 penetrates through the fuse tube body 50 and is locked on a contact of the fuse tube body 50 by a nut, so that the condition that the fuse tube body 50 is moved and falls off when overcurrent can be avoided, and the fuse tube body 50 can be disconnected only by manually pulling a pull ring on the fuse tube body 50. The brass screw 52 is screwed on the lower connecting plate 62 through a nut, so that the drainage wire hook 51 can be hung conveniently. The hook 51 is fixed with the upper connecting plate 60 by bolts through the fixing holes 61, and the assembly of the whole device is completed.
After the cable insulation hanging rod, the insulation hook and the drop-out fuse are assembled respectively, the winding wire 7 is fixedly connected with the first retaining ring 25, the drainage hook 3 at one end of the drainage wire 2 is fixedly connected with the brass screw 52 of the drop-out fuse, the whole portable hot-line work bypass equipment is assembled, the drainage hook at the other end of the drainage wire is hung on a cable on one side of an electric pole during use, the hook is hung on a cable on the other side of an inductor, and meanwhile, the safety hook is hung on the electric pole, so that the stability of the cable insulation hanging rod is maintained.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (8)
1. The utility model provides a portable live working bypass equipment which characterized in that: comprises a cable insulating hanging rod, an insulating hook and a drop-out fuse;
the cable insulation hanging rod comprises a rod body (1), a drainage wire (2) and a drainage hook (3), wherein two ends of the drainage wire (2) are respectively connected with the drainage hook (3), a plurality of transverse spacing holes (4) are uniformly formed in the rod body (1), the transverse rod body (1) and the drainage wire (2) are fixedly connected through a binding band (5) penetrating through the transverse spacing holes (4), a plurality of vertical spacing holes (6) are also uniformly formed in the rod body (1), and each vertical spacing hole (6) is connected with a winding wire (7);
the insulating couple includes coupler body (20), hasp (21) and torsional spring (22), coupler body (20) is including rotating end (23) and hasp end (24), coupler body (20) rotates the tip of end (23) and is equipped with annular first buckle (25), hasp end (24) of coupler body (20) are opened and are had catching groove (26) towards rotating end (23), hasp (21) cross section becomes L shape and includes locking lever (27), pull rod (28) and rotation portion (29), the tail end of locking lever (27) and the front end of pull rod (28) all are connected with rotation portion (29), rotation portion (29) are equipped with and change hole (30), rotation portion (29) rotate end (23) rotation connection through pivot screw (31) and coupler body (20), the cover has on the pivot screw torsional spring (22), make the front end of locking lever (27) detain in catching groove (26), the tail end of the pull rod (28) is provided with a second retaining ring (32);
the drop-out fuse comprises a fuse tube body (50), a hook (51) and a brass screw (52), wherein the brass screw (52) is in threaded connection with the bottom of the fuse tube body (50), the hook (51) is detachably connected with the top of the fuse tube body (50), and a brass wire (53) penetrates through the fuse tube body (50);
the hook (51) comprises a hook body (54), one end of the hook body (54) is provided with a boss (55) extending towards the other end of the hook body (54), the boss (55) is provided with a threaded hole, the threaded hole is connected with a connecting screw rod (56), the top end of the connecting screw rod (56) extends towards the inside of the hook body (54), the top end of the connecting screw rod (56) is fixed with a top block (57), and the bottom end of the connecting screw rod (56) is fixed with a lifting ring nut (58);
the winding wire (7) is fixedly connected with the first retaining ring (25), and the drainage hook (3) at one end of the drainage wire (2) is fixedly connected with the brass screw (52) of the drop-out fuse.
2. The portable live-working bypass apparatus of claim 1, wherein: the vertical spacing holes (6) are threaded holes, one end of the winding silk thread (7) is connected with a bolt matched with the vertical spacing holes (6), and the other end of the winding silk thread (7) is connected with an insulating hook (8).
3. The portable live-working bypass apparatus of claim 1, wherein: a stop block (33) is further fixed on the side face of the lock rod (27), and the stop block (33) is buckled in the buckling groove (26).
4. The portable live-working bypass apparatus of claim 1, wherein: a placing groove (34) is formed in the rotating end (23) of the hook body (20), and the torsion spring (22) is arranged in the placing groove (34).
5. The portable live-working bypass apparatus of claim 1, wherein: and a limiting screw (35) is arranged on the first snap ring (25) below the second snap ring (32).
6. The portable live-working bypass apparatus of claim 1, wherein: the bottom of the ejector block is provided with a threaded hole which is in threaded connection with the top end of the connecting screw rod (56), and the top of the ejector block is provided with a groove (59) with a semicircular arc-shaped cross section.
7. The portable live-working bypass apparatus of claim 1, wherein: the top of fuse body (50) is fixed with upper junction plate (60), boss (55) and coupler body (54) junction are equipped with fixed orifices (61), pass fixed orifices (61) and upper junction plate (60) through the bolt and fix couple (51) and upper junction plate (60) together.
8. The portable live-working bypass apparatus of claim 1, wherein: fuse body (50) bottom is equipped with down connecting plate (62), the L shape that the connecting plate cross section becomes to invert down includes horizontal plate (63) and vertical board (64), horizontal plate (63) and fuse body (50) bottom fixed connection, vertical board (64) and brass screw rod (52) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316812.6A CN111009851A (en) | 2019-12-19 | 2019-12-19 | Portable live working bypass equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316812.6A CN111009851A (en) | 2019-12-19 | 2019-12-19 | Portable live working bypass equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111009851A true CN111009851A (en) | 2020-04-14 |
Family
ID=70116790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316812.6A Pending CN111009851A (en) | 2019-12-19 | 2019-12-19 | Portable live working bypass equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111009851A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328373A (en) * | 2021-04-19 | 2021-08-31 | 国网浙江淳安县供电有限公司 | Earth potential all-terrain load operation special tool |
| CN115064994A (en) * | 2022-08-19 | 2022-09-16 | 国网瑞嘉(天津)智能机器人有限公司 | Suspension main wire lead auxiliary device |
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| KR200461224Y1 (en) * | 2010-12-16 | 2012-06-28 | 조형기 | One body type polymer cut out switch |
| JP5759223B2 (en) * | 2011-03-31 | 2015-08-05 | 株式会社関電工 | Over tension detection display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113328373A (en) * | 2021-04-19 | 2021-08-31 | 国网浙江淳安县供电有限公司 | Earth potential all-terrain load operation special tool |
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| CN115064994A (en) * | 2022-08-19 | 2022-09-16 | 国网瑞嘉(天津)智能机器人有限公司 | Suspension main wire lead auxiliary device |
| CN115064994B (en) * | 2022-08-19 | 2022-11-22 | 国网瑞嘉(天津)智能机器人有限公司 | Suspension main line lead auxiliary device |
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Application publication date: 20200414 |