CN211296143U - Combined type lightning arrester protective cover capable of working in hot-line mode and insulating clamp - Google Patents
Combined type lightning arrester protective cover capable of working in hot-line mode and insulating clamp Download PDFInfo
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- CN211296143U CN211296143U CN201922005800.3U CN201922005800U CN211296143U CN 211296143 U CN211296143 U CN 211296143U CN 201922005800 U CN201922005800 U CN 201922005800U CN 211296143 U CN211296143 U CN 211296143U
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Abstract
The utility model discloses a combined type lightning arrester protective cover capable of live working, which can be installed in a live way; the composite lightning arrester comprises a protective cover main body and a protective cylinder used for wrapping a composite lightning arrester cable; the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into the composite lightning arrester; the protective cylinder is horizontally fixed on the right side of the protective cover main body; the top and the bottom of the protective cylinder are respectively provided with a first slit and a third slit with a slit opening increasing from right to left along the axial direction, and the top of the protective cover main body is provided with a second slit coplanar with the first slit; and a fourth slit connected with the third slit is formed in the right side of the bottom of the protective cover main body. The insulating clamp comprises a clamping part and a fixing part which can be detachably connected with the insulating rod; the clamping part is provided with two semicircular clamping grooves suitable for inserting the protective cylinder; the clamping part is provided with a third through hole which is positioned between the two clamping grooves and is suitable for a cable to pass through; a cable opening suitable for the cable to move to the third through hole is formed in the bottom side of the clamping part; the fixing part is arranged on the left side of the clamping part and fixedly connected with the clamping part.
Description
Technical Field
The utility model belongs to the technical field of power equipment insulation protection, concretely relates to but live working's combined type arrester protection casing and insulating fixture.
Background
The metallic oxide arrester is also called as metallic zinc oxide arrester, is a novel arrester appearing in the early 70 s, and has been widely applied to the power grid in China so far. The Metal Oxide Arrester (MOA) is an important protective electrical appliance for providing insulation protection for power transmission and transformation equipment so as to prevent over-voltage damage, has the advantages of quick response, flat volt-ampere characteristic, stable performance, large through-current capacity, low residual voltage, long service life, simple structure and the like, and is widely applied to systems of power generation, power transmission, power transformation, power distribution and the like. The composite-casing metal oxide arrester is made of silicon rubber composite material, and compared with the traditional porcelain-casing arrester, the composite-casing metal oxide arrester has the advantages of small size, light weight, firm structure, strong pollution resistance, good explosion-proof performance and the like.
For preventing mouse and other toy scrambles to arrester metal material part short circuit to ground and causes the unexpected trouble of circuit, use the protection casing of a rubber material to carry out parcel formula protection to the arrester on the market, but this protection casing exists the life-span weak point, can't patrol and examine the temperature measurement operation, and the operating cost is high (need the power failure operation promptly), and its self material is opaque simultaneously to the operation and maintenance operation personnel patrol and examine, overhaul and cause certain hindrance.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, one of the purposes of the utility model is to provide a but live working's combined type arrester protection casing, the structure is unique novel, and the installation is simple and convenient, can anytime and anywhere operation, need not elevating platform, benefit power supply and live working large-scale car, realizes installing in the combined type arrester under the charged state.
In order to achieve one of the purposes, the utility model adopts the following technical proposal:
a combined type lightning arrester protective cover capable of working in a hot-line mode comprises a protective cover main body and a protective cylinder, wherein the protective cylinder is used for wrapping a combined type lightning arrester cable; the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into the composite lightning arrester; the protective cylinder is horizontally fixed on the right side of the protective cover main body; the top of the protective cylinder is provided with a first slit along the axial direction of the protective cylinder, and the top of the protective cover main body is correspondingly provided with a second slit coplanar with the first slit; the bottom of the protective cylinder is provided with a third slit with a slit opening which is enlarged from right to left along the axial direction of the protective cylinder, and the right side of the protective cylinder is correspondingly provided with a fourth slit connected with the third slit.
In the combined type lightning arrester protective cover capable of working in a live mode, the protective cover main body is made of transparent PC materials; the protective cylinder and the protective cover main body are integrally formed.
In the combined type lightning arrester protective cover capable of working in a hot-line mode, a first through hole suitable for measuring the temperature of the combined type lightning arrester is formed in the outer side of the protective cover main body.
But in live working's combined type arrester protection casing, the top of protection casing main part can be dismantled and be connected with three-phase identification piece.
In the combined type lightning arrester protective cover capable of working in a live line, an arc-shaped through hole is formed in the top of the protective cover main body; the bottom of three-phase identification member is equipped with the joint piece with arc through-hole joint.
In the combined type lightning arrester protective cover capable of working in a hot-line mode, the bottom of the protective cover main body extends outwards to form a wavy skirt edge which inclines downwards.
Additionally, the second objective of the present invention is to provide an insulating fixture, which is ingenious in design and suitable for installation of the composite lightning arrester shield, wherein the composite lightning arrester shield is clamped and installed on the lightning arrester under a charged state.
In order to achieve the second purpose, the utility model adopts the following technical proposal:
an insulation clamp comprises a clamping part for clamping the composite arrester protective cover capable of live working and a fixing part detachably connected with an insulation rod; the clamping part is provided with two semicircular clamping grooves suitable for inserting the protective cylinder; the clamping part is provided with a third through hole which is positioned between the two clamping grooves and is suitable for the composite arrester cable to pass through; the bottom side of the clamping part is provided with a cable opening suitable for the composite lightning arrester cable to move to the third through hole; the fixing part is arranged on the left side of the clamping part and is fixedly connected with the clamping part.
In the insulating fixture, the clamping parts are respectively provided with supporting bars for clamping the protective cylinder at the outer sides of the clamping grooves.
The insulating clamp also comprises an extension rod; the front side of the fixing part is provided with a first connecting hole suitable for inserting the extension rod; the clamping part is provided with a connecting part, and the front side and the rear side of the connecting part are respectively provided with a second connecting hole and a third connecting hole which are suitable for correspondingly inserting the extension rod; the rear side of the fixing part is provided with a locking part suitable for being sleeved into the insulating rod.
In the insulating clamp, the connecting part is cylindrical and is provided with a fourth connecting hole on the left side of the outer peripheral surface; the right side of the fixing part is provided with an arc-shaped groove matched with the connecting part; and a connecting column suitable for being inserted into the fourth connecting hole is arranged on the right side of the fixing part.
Has the advantages that:
the utility model provides a but live working's combined type arrester protection casing, the structure is unique novel, and the installation is simple and convenient, can anytime and anywhere operation, need not elevating platform, benefit power supply and live working large-scale car, realizes installing in the combined type arrester under the charged state.
Additionally, the utility model provides an insulating fixture, design benefit for cooperate above the installation of combined type arrester protection casing, the centre gripping combined type arrester protection casing is installing to the arrester under the electrified state on.
Drawings
Fig. 1 is a perspective view of a combined type lightning arrester protective cover capable of live working according to the present invention.
Fig. 2 is a perspective view of the combined type lightning arrester protective cover capable of live working according to the present invention.
Fig. 3 is a perspective view of the composite lightning arrester protective cover capable of live working according to another embodiment of the present invention.
Fig. 4 is the working principle diagram of the combined type lightning arrester protective cover capable of working with electricity provided by the utility model.
Fig. 5 is a perspective view of a three-phase identification member in the combined type lightning arrester protective cover capable of live working.
Fig. 6 is a perspective view of the connection structure of the insulating clamp and the insulating rod provided by the present invention.
Fig. 7 is a perspective view of the connection structure between the insulating clamp, the extension rod and the insulating rod provided by the present invention.
Fig. 8 is a first perspective view of the clamping portion of the insulating clamp according to the present invention.
Fig. 9 is a perspective view of the clamping portion of the insulating clamp according to the present invention.
Fig. 10 is a plan view of the clamping portion of the insulating clamp according to the present invention.
Fig. 11 is a first perspective view of a fixing portion of the insulating clamp according to the present invention.
Fig. 12 is a perspective view of a fixing portion of the insulating clamp according to the present invention.
Detailed Description
The utility model provides a but live working's combined type arrester protection casing and insulating fixture, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to following reference to the drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a composite lightning arrester protective cover capable of live working, which includes a protective cover main body 1 and a protective cylinder 2 for wrapping a cable of the composite lightning arrester 4; the protective cover main body 1 is provided with a cavity (not marked in the figure) with a downward opening and capable of being sleeved in the composite lightning arrester 4; the protective cylinder 2 is horizontally fixed on the right side of the protective cover main body 1; the top of the protection cylinder 2 is provided with a first slit 22 along the axial direction, and the top of the protection cover main body 1 is correspondingly provided with a second slit 12 coplanar with the first slit 22; the bottom of the protection cylinder 2 is provided with a third slit 21 along the axial direction, the slit of which is enlarged from right to left, and the right side of the protection cylinder body 1 is correspondingly provided with a fourth slit 16 connected with the third slit 21.
In this embodiment, the cavity is cylindrical, and the shield body is cylindrical; the slits of the second slit 12 and the first slit 22 are 1mm wide. The seam of the fourth slit 16 is not changed, and the seam of the third slit 21 is gradually enlarged from right to left (i.e. from the outer side to the inner side of the protection cylinder), so as to ensure that the cable can move from bottom to top to the inner cavity of the protection cylinder after the protection cylinder is broken.
Because the composite-sheathed metal oxide arrester (also called composite arrester) has a cable with the sectional area of 70 square millimeters, a protective cylinder 2 with the radius of 16mm width and the length of 68mm is arranged on one side of the protective cover main body 1, which is convenient for completely wrapping the cable and does not influence the use of the cable.
The protective cover main body 1 is made of transparent PC materials imported from foreign countries. The protective cylinder 2 and the protective cover main body 1 are integrally formed and formed by adopting shielding type design injection molding, so that the protective cylinder is visual and visible, is convenient for operation and maintenance personnel to patrol, can resist 38KV high voltage, resists high temperature and has long service life.
As shown in fig. 3 and 4, a first through hole 14 suitable for measuring the temperature of the composite lightning arrester 4 is formed on the outer side of the protective cover main body 1. Through both sides trompil respectively around the protection casing main part, be convenient for patrol and examine the operation and maintenance personnel and carry out circuit temperature measurement operation when carrying out troubleshooting, improve work efficiency.
As shown in fig. 2, 3 and 5, a three-phase marker 3 is detachably connected to the top of the shield main body 1. The top of the protective cover main body 1 is provided with an arc-shaped through hole 13; the bottom of three-phase identification component 3 is equipped with arc through-hole 13 joint and with 3 integrated into one piece's of three-phase identification component joint piece 31.
The three-phase identification piece 3 is formed by pressing a soft rubber TPU material, has three colors of yellow, green and red respectively, is convenient for operation and maintenance workers to distinguish a tower phase line, provides phase line information and improves the whole working efficiency. The three-phase identification member 3 is directly inserted into the arc-shaped through holes 13 arranged on the front side and the rear side of the protective cover main body 1 through the clamping blocks 31 arranged on the three-phase identification member, and the three-phase identification member is detachably connected to the protective cover main body.
In the present embodiment, the arc-shaped through holes 13 are provided at the top of the shield main body 1 symmetrically with respect to the second slit 12.
As shown in fig. 1, 2, 3 and 4, a wavy skirt 11 inclined downward extends outward from the bottom of the shield body 1. By adopting the wave-shaped design, when the protective cover main body 1 is buckled into the composite lightning arrester, the skirt edge can ventilate and drain water in a strong wind and heavy rain environment, and the effects of no water accumulation and internal wind pressure reduction are achieved.
In addition, as shown in fig. 3, a second through hole 15 suitable for the composite lightning arrester 4 to pass through is opened in the middle of the top of the protective cover main body 1. The structural design is to provide cable routing for the straight composite arrester (part of the composite arrester cable is upward, so the straight composite arrester is called). At this time, the middle of the three-phase identifier 3 is also provided with an opening suitable for the cable to pass through.
In addition, as shown in fig. 2, fig. 4, fig. 6, fig. 8, fig. 9, fig. 10, fig. 11 and fig. 12, the present invention further provides an insulation clamp, which comprises a clamping portion 5 for clamping the composite arrester protective cover capable of performing hot-line work, and a fixing portion 6 detachably connected to the insulating rod 7; the clamping part 5 is provided with two semicircular clamping grooves 52 suitable for the protective barrel 2 to be inserted; the clamping part 5 is provided with a third through hole 54 which is positioned between the two clamping grooves 52 and is suitable for the composite lightning arrester 4 to pass through; the bottom side of the clamping part 5 is provided with a cable opening (not marked in the figure) suitable for the cable of the composite lightning arrester 4 to move to the third through hole 54; the fixing part 6 is arranged on the left side of the clamping part 5 and is fixedly connected with the clamping part 5.
The insulating clamp is made of glass fiber materials through printing, and has the advantages of being high in strength, hardness and voltage resistance.
As shown in fig. 2 and 8, the holding portions 5 are respectively provided with support bars 53 for holding the protection tube 2 at the outer sides of the locking grooves 52. When the protective cylinder 2 is broken along the first slit 22 and the third slit 21 and then divided into two parts, and the two parts are inserted into the slots 52, the protective cylinder is clamped by the two supporting bars 53, so that the overall stability is enhanced, and the protective cylinder is prevented from shaking and drooping.
As shown in fig. 7, 8, 9, 11, the insulating jig further includes an extension bar 8; the front side of the fixing part 6 is provided with a first connecting hole 62 suitable for inserting the extension bar 8; the clamping part 5 is provided with a connecting part 51, and the connecting part 51 is respectively provided with a second connecting hole 55 and a third connecting hole 58 which are suitable for the corresponding insertion of the extension bar 8 at the front side and the rear side; the rear side of the fixing part 6 is provided with a locking part 61 suitable for being sleeved in the insulating rod 7. After the locking part 61 is sleeved in the insulating rod 7, mounting holes (not marked in the figure) are formed in the two tail ends of the locking part, insulating screws can be adopted to sequentially insert into the mounting holes in the tail ends of the locking part and lock the locking part, so that the inner wall surface of the locking part is tightly attached to the outer peripheral surface of the insulating rod, the locking part is stably fixed and cannot fall down.
As shown in fig. 8 and 10, in the present embodiment, the clamping portion 5 is in a "C" shape, and is fixedly connected to the connecting portion 51 by a connecting rod, and the clamping portion, the connecting rod, and the connecting portion are integrally formed. The clamping grooves 52 and the supporting bars 53 are symmetrically arranged, and the extension lines of the two supporting bars 53 form an included angle.
In the case where the extended use is required, the extension bar may be used such that both ends of the extension bar 8 are inserted into the first connection hole 62 and the second connection hole 55, or the first connection hole 62 and the third connection hole 58, respectively. The extension bar is connected with the first connecting hole, the second connecting hole and the third connecting hole in a matched mode. Specifically, the two ends of the extension rod are respectively provided with a positioning hole (not shown in the figure), and after the clamping part 5 and the fixing part 6 are connected by the extension rod 8, the pin rod can be used to respectively pass through the insertion hole 65 and the positioning hole of the extension rod, the extension rod is fixed on the fixing part in a clamping manner, and in addition, the pin rod respectively passes through the insertion hole 56, and the extension rod is fixed on the clamping part in a clamping manner. One end of the extension bar may be inserted into the second connection hole 55 or the third connection hole 58 according to the use requirement.
In this embodiment, the diameter of the extension bar is 26mm, and the inner diameters of the first connection hole 62, the second connection hole 55, and the third connection hole 58 are all 26 mm. The insertion holes 56 and 65 may be screw holes. The inner diameter of a through hole which is surrounded by the lock catch part 61 and can be sleeved in the insulating rod is 32mm, and the through hole is matched with the existing insulating rod (which consists of a working head, an insulating rod and a handle) with the diameter of 32mm for use.
As shown in fig. 6, 8, 9 and 11, the connecting portion 51 is cylindrical and has a fourth connecting hole 59 on the left side of the outer peripheral surface; the right side of the fixing part 6 is provided with an arc-shaped groove 63 matched with the connecting part 51; the right side of the fixing portion 6 is provided with a connection post 64 adapted to be inserted into the fourth connection hole 59. When the extension bar is not needed, the connecting column 64 of the fixing portion 6 is correspondingly inserted into the fourth connecting hole 59 of the connecting portion 51, and meanwhile, the outer circumferential surface of the connecting portion 51 in a cylindrical shape is in contact with the arc-shaped groove 63, and in addition, the connecting portion 51 can be fixedly connected to the fixing portion 6 by inserting the pin rod into the insertion hole 57 formed in the connecting portion 51 and the positioning hole 66 of the connecting column 64. By adopting the ingenious structural design, the quick assembly and disassembly can be realized, and the device is stable and reliable in use.
In this embodiment, the diameter of the connecting column 64 is 12mm, and the inner diameter of the fourth connecting hole 59 is 12 mm.
The utility model provides a combined type arrester protection casing structural design is ingenious, will protect a section of thick bamboo 2 and break off with the fingers and thumb along first 22 to both sides of cracking when using, forms wide-angle opening, corresponds the draw-in groove 52 that inserts insulating fixture afterwards, cliies a protection section of thick bamboo by two spinal branch brace bars 53 simultaneously for the combined type arrester protection casing is blocked completely, can not take place to rock, flagging.
Then, the insulating clamp is fixedly connected to the insulating rod through the locking part 61, a worker wears insulating gloves, hands the insulating rod after wearing the insulating boot to send the composite lightning arrester protective cover to the tower frame, the protective cover in an open state penetrates through a cable on the composite outer sleeve metal oxide lightning arrester, namely the cable enters an inner cavity of the protective cylinder from the outer side when the protective cover moves from top to bottom, and simultaneously the cable passes through a cable opening of the insulating clamp and enters the third through hole 54 of the clamping part 5, so that the cable is wrapped by the protective cylinder when the protective cylinder is closed; then the protective cover is lightly put above the lightning arrester and is sleeved into the lightning arrester downwards.
When the protection casing is completely attached to the lightning arrester, the insulating rod is slightly pulled outwards to enable the protection casing to be separated from the insulating clamp, the protection casing is closed due to the fact that the original state of the protection casing is restored, the lightning arrester and the cable are wrapped, isolation live-line work of the protection casing is completed, and meanwhile, the phenomenon that mice and other small animals climb to the metal material part of the lightning arrester to cause line accident faults due to short circuit to the ground is avoided.
The combined type lightning arrester protective cover provided by the utility model has the service life of 10 years, can resist the high temperature of 750 ℃, and has certain burning and no burning phenomena with fire if an accident of fire happens, thereby avoiding causing the secondary damage of circuits and other equipment; meanwhile, the high-voltage impact of 38KV can be resisted, and the target medium-voltage 10KV tower belongs to an absolute insulation state, so that the hot-line operation requirement is met.
Through the utility model provides a but combined type arrester protection casing and insulating fixture of live working joins in marriage and puts up the insulating rod, can carry out live working, need not to utilize the live working car to carry out the circuit outage, mend the power supply operation, save operating time greatly, can with protection casing direct mount in combined type arrester, wearable standard insulating gloves and insulating boots during the operation, reach secondary guard action, multiple protection realizes complete insulation, for the staff provides the safety guarantee, simultaneously greatly reduced operating time, whole work efficiency is improved to the bigger degree.
To sum up, the utility model provides a but live working's combined type arrester protection casing, the unique novelty of structure, the installation is simple and convenient, can anytime and anywhere operation, need not elevating platform, benefit power supply and live working large-scale car, realizes installing in the combined type arrester under the electrified state.
Additionally, the utility model provides an insulating fixture, design benefit for cooperate above the installation of combined type arrester protection casing, the centre gripping combined type arrester protection casing is installing to the arrester under the electrified state on.
Aiming at the composite outer sleeve metal oxide arrester in the power medium-voltage distribution tower frame, the utility model designs a composite arrester protective cover capable of live working, and a special tool is matched on the basis of the insulation of the protective cover, such as the insulating clamp provided by the utility model and the existing insulating rod (also called as an order gram rod) are used for installation operation, thereby realizing the operation at any time and any place, needing no assistance of a lifting platform and needing no power supply and live operation of large-sized vehicles; the temperature measuring device can be used for routing inspection and measuring temperature, has the advantages of high temperature resistance, high pressure resistance and long service life, and shortens the installation operation time from several hours to several minutes.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. A combined type lightning arrester protective cover capable of working in a hot-line manner is characterized by comprising a protective cover main body and a protective cylinder used for wrapping a combined type lightning arrester cable; the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into the composite lightning arrester; the protective cylinder is horizontally fixed on the right side of the protective cover main body; the top of the protective cylinder is provided with a first slit along the axial direction of the protective cylinder, and the top of the protective cover main body is correspondingly provided with a second slit coplanar with the first slit; the bottom of the protective cylinder is provided with a third slit with a slit opening which is enlarged from right to left along the axial direction of the protective cylinder, and the right side of the protective cylinder is correspondingly provided with a fourth slit connected with the third slit.
2. The live operable composite arrestor shield of claim 1, wherein the shield body is made of a transparent PC material; the protective cylinder and the protective cover main body are integrally formed.
3. The live working composite arrester shield as claimed in claim 1, wherein the shield body has a first through hole formed on an outer side thereof for measuring temperature of the composite arrester.
4. The live working composite arrester shield as claimed in claim 1, wherein a three-phase identifier is detachably attached to a top portion of the shield main body.
5. The live working composite arrester shield as claimed in claim 4, wherein the top of the shield body is formed with an arc-shaped through hole; the bottom of three-phase identification member is equipped with the joint piece with arc through-hole joint.
6. The live working composite arrester shield as claimed in claim 1, wherein the bottom of the shield body is formed with a wave-shaped skirt extending outward and inclined downward.
7. An insulation clamp, characterized by comprising a clamping part for clamping the composite lightning arrester protective cover capable of live working according to any one of claims 1 to 6, and a fixing part detachably connected with an insulation rod; the clamping part is provided with two semicircular clamping grooves suitable for inserting the protective cylinder; the clamping part is provided with a third through hole which is positioned between the two clamping grooves and is suitable for the composite arrester cable to pass through; the bottom side of the clamping part is provided with a cable opening suitable for the composite lightning arrester cable to move to the third through hole; the fixing part is arranged on the left side of the clamping part and is fixedly connected with the clamping part.
8. The insulation clamp according to claim 7, wherein the holding portions are respectively provided with a support bar for holding the shielding cylinder at an outer side of the catching groove.
9. The insulation clamp of claim 7, further comprising an extension bar; the front side of the fixing part is provided with a first connecting hole suitable for inserting the extension rod; the clamping part is provided with a connecting part, and the front side and the rear side of the connecting part are respectively provided with a second connecting hole and a third connecting hole which are suitable for correspondingly inserting the extension rod; the rear side of the fixing part is provided with a locking part suitable for being sleeved into the insulating rod.
10. The insulation jig of claim 9, wherein the connection part is cylindrical and has a fourth connection hole at the left side of the outer circumferential surface; the right side of the fixing part is provided with an arc-shaped groove matched with the connecting part; and a connecting column suitable for being inserted into the fourth connecting hole is arranged on the right side of the fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005800.3U CN211296143U (en) | 2019-11-19 | 2019-11-19 | Combined type lightning arrester protective cover capable of working in hot-line mode and insulating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005800.3U CN211296143U (en) | 2019-11-19 | 2019-11-19 | Combined type lightning arrester protective cover capable of working in hot-line mode and insulating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211296143U true CN211296143U (en) | 2020-08-18 |
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ID=72020690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922005800.3U Active CN211296143U (en) | 2019-11-19 | 2019-11-19 | Combined type lightning arrester protective cover capable of working in hot-line mode and insulating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211296143U (en) |
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2019
- 2019-11-19 CN CN201922005800.3U patent/CN211296143U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Huayi Technology Co.,Ltd. Assignor: Foshan Nanxu Technology Co.,Ltd. Contract record no.: X2022990000213 Denomination of utility model: A composite lightning arrester protective cover and insulating clamp capable of live working Granted publication date: 20200818 License type: Common License Record date: 20220418 |
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| EE01 | Entry into force of recordation of patent licensing contract |