CN214740365U - Iron tower temporary insulation cross arm - Google Patents
Iron tower temporary insulation cross arm Download PDFInfo
- Publication number
- CN214740365U CN214740365U CN202022485482.8U CN202022485482U CN214740365U CN 214740365 U CN214740365 U CN 214740365U CN 202022485482 U CN202022485482 U CN 202022485482U CN 214740365 U CN214740365 U CN 214740365U
- Authority
- CN
- China
- Prior art keywords
- groove
- angle steel
- cross arm
- insulating cross
- adjusting screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a temporary insulating cross arm of an iron tower, which comprises an insulating cross arm and an angle steel fixing clamp arranged on the insulating cross arm, wherein the angle steel fixing clamp comprises a fixing clamp main body and two symmetrically arranged clamping blocks, and the clamping blocks are movably arranged on the fixing clamp main body respectively by adjusting a fastening mechanism; a V-shaped angle steel accommodating through groove is formed between the two clamping blocks on the fixing clamp main body; an angle steel edge clamping groove is formed in the surface of one end, opposite to the angle steel accommodating through groove, of the clamping block, and the two angle steel edge clamping grooves are opposite to the angle steel accommodating through groove; the fixation clamp main part is detachably fixed on the insulating cross arm. Compared with the prior art, the detachable type electric power tool realizes the separation of the two parts, is convenient for operators to carry, carry and install, and is convenient to use and install.
Description
Technical Field
The utility model relates to a power grid maintenance equipment, in particular to iron tower temporary insulation cross arm that uninterrupted mesh belt electricity operation used.
Background
At present, in order to ensure that various industries are not influenced by power failure, the national power grid puts forward the requirement of uninterrupted power operation (live working) on power grid maintenance, and the live working refers to an operation method for overhauling and testing high-voltage electrical equipment without interrupting power. Electrical equipment requires frequent testing, inspection and maintenance over long periods of operation. Live working is an effective measure for avoiding maintenance and power failure and ensuring normal power supply. The contents of live-line work can be divided into live-line test, live-line inspection, live-line maintenance, and the like. Objects of live working include power plant and substation electrical equipment, overhead transmission lines, distribution lines, and power distribution equipment. The main items of live-wire work are: the method comprises the steps of replacing insulators of the line tower in an electrified mode, cleaning and replacing the insulators, washing the insulators with water, repairing wires and overhead ground wires in a compression joint mode, detecting bad insulators, testing and replacing isolating switches and lightning arresters, and testing temperature rise and dielectric loss values of transformers. When the cross arm of the telegraph pole is replaced, the temporary insulating cross arm is often needed to be used for temporarily supporting the cable, the insulating cross arm and the angle steel hanging piece of the conventional temporary insulating cross arm are hung, the problem of displacement is easy to occur during use, and the weight of the angle steel hanging piece and the insulating cross arm is very large during carrying, carrying and installing, so that physical strength is consumed during carrying, carrying and installing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an iron tower temporary insulation cross arm, the technical problem that solve realize with the iron tower swiftly fix make things convenient for operation personnel to carry simultaneously, carry and install, reduce operation personnel's physical demands.
In order to solve the above problem, the utility model discloses a following technical scheme realizes: a temporary insulating cross arm of an iron tower comprises an insulating cross arm and an angle steel fixing clamp arranged on the insulating cross arm, wherein the angle steel fixing clamp comprises a fixing clamp main body and two clamping blocks symmetrically arranged on the left side and the right side of the fixing clamp main body, and the clamping blocks are respectively movably arranged on the fixing clamp main body through adjusting and fastening mechanisms so as to enable the clamping blocks to move back and forth towards the fixing clamp main body, so that angle steel is clamped; a V-shaped angle iron accommodating through groove is formed in the fixing clamp body between the two clamping blocks, and an included angle between groove walls on two opposite sides of the angle iron accommodating through groove is 90 degrees; the surface of one end of the clamping block, which is opposite to the angle steel accommodating through groove, is provided with an angle steel edge clamping groove, the two angle steel edge clamping grooves are opposite to the angle steel accommodating through groove, the angle steel edge clamping grooves are through grooves, and the groove walls on two opposite sides of the two angle steel edge clamping grooves are parallel to the groove wall on the same side in the angle steel accommodating through groove; the fixation clamp main part is detachably fixed on the insulating cross arm.
Furthermore, the adjusting and fastening mechanism comprises an adjusting screw and a guide rod, the axis of the adjusting screw is respectively parallel to the groove wall on the same side of the angle steel accommodating through groove, and the axis of the guide rod is parallel to the axis of the adjusting screw; the adjusting screw rods are rotatably fixed on the fixing clamp main body, the two adjusting screw rods and the two guide rods are arranged at an included angle of 90 degrees, and after the adjusting screw rods are screwed, the clamping block can move along the axial directions of the adjusting screw rods and the guide rods; the clamping block is provided with an adjusting screw hole and a guide hole so that the guide rod is inserted into the guide hole; the adjusting screw is arranged in the adjusting screw hole and is in threaded connection with the adjusting screw hole.
Further, the clamping blocks that are equipped with the V-arrangement on the left and right sides of fixation clamp main part respectively dodge the groove to dodge the clamping block, the clamping block dodges the contained angle between the relative both sides cell wall in groove and is 90 °, adjusts fastening device and sets up in the clamping block dodges the groove.
Further, be equipped with calabash shape hole and guide bar fixed orifices on the cell wall of the one side relative with angle steel edge clamp groove in the clamp splice dodges the groove, the position department adjacent with this one side cell wall that is equipped with calabash shape hole and guide bar fixed orifices is equipped with a logical groove in the fixation clamp main part, it communicates with calabash shape hole at least to link up the groove, adjusting screw is equipped with a week ring channel with the relative one end of fixation clamp main part, in order to form the embedded piece at adjusting screw's tip, the embedded piece is inserted and is established in calabash shape hole, but fix adjusting screw and make adjusting screw axis rotate.
Furthermore, insulating cross arm is equipped with a grafting portion with one relative serving of angle steel fixation clamp, be equipped with the lantern ring with grafting looks adaptation in the fixation clamp main part, be equipped with the first through-hole that runs through the relative both ends outer wall of grafting portion in grafting portion, be equipped with the second through-hole that runs through the relative both ends outer wall of the lantern ring on the lantern ring, grafting portion and lantern ring pass through first through-hole and second through-hole after interconnect are fixed through the bolt.
Further, the bolt is a ball bolt.
Furthermore, one end of the insertion part, which is opposite to the insulating cross arm, is provided with an insertion fixing part, the end face of the insulating cross arm is provided with a slot, the part of the outer wall, which is positioned on the slot, of the insulating cross arm is provided with a plurality of step through holes, and the step through holes are communicated with the slot; the inserting fixing part is provided with a screw hole which is opposite to the step through hole after the inserting fixing part is inserted in the slot.
Compared with the prior art, the angle steel fixing clamp and the insulating cross arm are arranged into a detachable structure, so that the angle steel fixing clamp and the insulating cross arm can be separated from each other, and the carrying, the carrying and the installation of operating personnel are facilitated; the angle steel fixing clamp comprises a fixing clamp main body with a V-shaped angle steel accommodating through groove and two clamping blocks which are symmetrically arranged on the left side and the right side of the fixing clamp main body and are provided with angle steel edge clamping grooves, and the clamping blocks are movably arranged on the fixing clamp main body through adjusting fastening mechanisms respectively, so that the insulating cross arm is quickly fixed on the angle steel of an iron tower and is relatively fixed, and the angle steel fixing clamp is convenient to use and install.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the angle steel fixing clip of the present invention.
Fig. 3 is a schematic structural view of the fixing clip main body of the present invention.
Fig. 4 is a schematic structural view of the clamping block of the present invention.
Fig. 5 is a sectional view of the angle steel fixing clip of the present invention.
Fig. 6 is a schematic view of the connection between the fixing clip main body and the insulating cross arm according to the present invention.
Fig. 7 is a schematic structural diagram of the adjusting screw of the present invention.
Fig. 8 is a schematic view of the use of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model discloses a temporary insulating cross arm for iron tower, which comprises an insulating cross arm 1 and an angle steel fixing clip 2 arranged on the insulating cross arm 1, wherein the angle steel fixing clip 2 comprises a fixing clip main body 3 and two clamping blocks 4 symmetrically arranged at the left side and the right side of the fixing clip main body 3, and the clamping blocks 4 are movably arranged on the fixing clip main body 3 through adjusting fastening mechanisms respectively, so that the clamping blocks 4 can move back and forth towards the fixing clip main body 3, thereby clamping the angle steel; the fixing clamp body 3 is of a block-shaped structure, a V-shaped angle steel accommodating through groove 5 is formed in the fixing clamp body 3 and located between the two clamping blocks 4, the angle steel accommodating through groove 5 comprises two opposite groove walls, and an included angle between the groove walls on the two sides is 90 degrees; the clamping blocks 4 are of rectangular block structures, an angle steel edge clamping groove 6 is formed in one end surface, opposite to the angle steel accommodating through groove 5, of each clamping block 4, the two angle steel edge clamping grooves 6 are opposite to the angle steel accommodating through groove 5, each angle steel edge clamping groove 6 is a through groove, each two angle steel edge clamping grooves 6 comprise two opposite groove walls, the two groove walls in each angle steel edge clamping groove 6 are parallel to the groove wall, located on the same side, in the angle steel accommodating through groove 5, so that an included angle between the two angle steel edge clamping grooves 6 is also 90 degrees, and therefore the two end edges of the angle steel of the iron tower can be embedded; the fixing clip body 3 is detachably fixed to the insulating cross arm 1.
By adopting the structure, the insulating cross arm can be quickly fixed on the angle steel of the iron tower and relatively fixed, and the use and installation are convenient; and the fixing clamp main body 3 and the insulating cross arm 1 can be disassembled, so that the carrying, carrying and installation of operators are facilitated.
As shown in fig. 5 and 7, the adjusting and fastening mechanism includes an adjusting screw 7 and a guide rod 8, the axis of the adjusting screw 7 is parallel to the groove wall on the same side of the angle steel accommodating through groove 5, and the axis of the guide rod 8 is parallel to the axis of the adjusting screw 7; the adjusting screw 7 is rotatably fixed on the fixing clamp body 3, the two adjusting screws 7 and the two guide rods 8 are arranged at an included angle of 90 °, and after the adjusting screw 7 is screwed, the clamping block 4 can move in the axial direction of the adjusting screw 7 and the axial direction of the guide rods 8, so that the distance between the clamping block 4 and the fixing clamp body 3 is adjusted; an adjusting screw hole 41 and a guide hole 42 are arranged on the clamping block 4, so that the guide rod 8 is inserted into the guide hole 42; the adjusting screw 7 is arranged in the adjusting screw hole 41 and is in threaded connection with the adjusting screw hole 41.
As shown in fig. 2 and 5, V-shaped block avoiding grooves 9 are symmetrically formed on the left side and the right side of the fixing clip main body 3, respectively, so as to avoid the blocks 4, an included angle between two opposite side groove walls of the block avoiding grooves 9 is 90 °, and the adjusting and fastening mechanism is disposed in the block avoiding grooves 9; the utility model discloses in, the clamp splice dodges groove 9 for leading to the groove, and two clamp splices dodge in groove 9 and this side cell wall that the groove 5 corresponds the position is adjacent with the angle steel holding to lead to the cell wall that groove 5 corresponds the position is parallel with the cell wall that the groove 5 corresponds the position in the groove to it is relative with a side surface that clamp splice 4 has the groove 5 that the angle steel holding leads to the groove 5 in groove 9 to make the clamp splice dodge, and when clamp splice 4 transfer to the clamp splice completely and dodge in groove 9 after, the groove 5 corresponds the cell wall that inclines with the angle steel holding and inlays mutually at angle steel edge clamp groove 6.
As shown in fig. 2, on the basis of the fixing clamp body 3, a gourd-shaped hole 20 and a guide rod fixing hole 21 are provided on a side wall of the clamp block avoiding groove 9 opposite to the angle iron edge clamp groove 6, a through groove 10 is provided on the fixing clamp body 3 at a position adjacent to the side wall provided with the gourd-shaped hole 20 and the guide rod fixing hole 21, the through groove 10 is at least communicated with the gourd-shaped hole 20, a circumferential annular groove 71 is provided at one end of the adjusting screw 7 opposite to the fixing clamp body 3 to form an embedded block 72 at the end of the adjusting screw 7, the embedded block 72 is inserted into the gourd-shaped hole 20, and the adjusting screw 7 is fixed and the adjusting screw 7 can rotate axially; specifically, the openings at both ends of the through groove 10 are at the same positions as the openings at the opposite ends of the avoidance acceleration groove 7, and the cross-sectional shape of the through groove 10 is rectangular.
As shown in fig. 1 and 6, the detachable structure between the insulating cross arm 1 and the angle steel fixing clamp 2 is realized by adopting the following structure: an inserting part 11 is arranged at one end of the insulating cross arm 1 opposite to the angle steel fixing clamp 2, a lantern ring 12 matched with the inserting part 11 is arranged on the fixing clamp body 3, a first through hole 13 penetrating through outer walls of two opposite ends of the inserting part 11 is arranged on the inserting part 11, a second through hole 14 penetrating through outer walls of two opposite ends of the lantern ring 12 is arranged on the lantern ring 12, and the inserting part 11 and the lantern ring 12 are connected and fixed with each other after penetrating through the first through hole 13 and the second through hole 14 through a bolt 15; specifically, the inserting part 11 is an annular columnar structure, the outer diameter of the annular columnar structure is smaller than the diameter of the insulating cross arm 1, the inner diameter of the lantern ring 12 is slightly larger than the outer diameter of the inserting part 11, and the outer diameter of the lantern ring 12 is equal to the outer diameter of the insulating cross arm 1, so that the inserting part 11 abuts against the end face of the insulating cross arm 1 after being connected with the lantern ring 12.
For quick mounting, the pin 15 is a ball pin for easy mounting and dismounting.
In the detachable structure, one end of the plug part 11 opposite to the insulating cross arm 1 is provided with a plug fixing part 16, the end face of the insulating cross arm 1 is provided with a slot 17, the part of the outer wall of the insulating cross arm 1 positioned in the slot 17 is provided with a plurality of step through holes 18, and the step through holes 18 are communicated with the slot 17; the plug fixing portion 16 is provided with a screw hole 19 opposite to the stepped through hole 18 after the plug fixing portion 16 is inserted into the slot 17, so that the plug fixing portion 16 and the slot 17 are connected and fixed with each other through screws; specifically, a circle of convex part 22 with the same diameter as the diameter of the cross arm 1 is further provided between the plug part 11 and the plug fixing part 16 to realize the contact with the collar 12.
As shown in fig. 8, the utility model discloses when using, adjust the clamp splice to the position of keeping away from fixation clamp main part 3 through adjusting fastening device earlier, make the space that forms between the three can put into the angle steel of iron tower to the logical groove 5 of angle steel holding, lead to the groove 5 of angle steel holding and the apex angle part 101 of the angle steel 100 of iron tower relatively and the laminating back, remove the clamp splice towards fixation clamp main part 3 direction through adjusting fastening device, make the both ends edge 102 of angle steel 100 inlay final relatively fixed with angle steel edge clamp groove 6 mutually, accomplish the installation.
The angle steel fixing clamp and the insulating cross arm are arranged into a detachable structure, so that the angle steel fixing clamp and the insulating cross arm can be separated, and the carrying, carrying and installation of operating personnel are facilitated; the angle steel fixing clamp comprises a fixing clamp main body with a V-shaped angle steel accommodating through groove and two clamping blocks which are symmetrically arranged on the left side and the right side of the fixing clamp main body and are provided with angle steel edge clamping grooves, and the clamping blocks are movably arranged on the fixing clamp main body through adjusting fastening mechanisms respectively, so that the insulating cross arm is quickly fixed on the angle steel of an iron tower and is relatively fixed, and the angle steel fixing clamp is convenient to use and install.
Claims (7)
1. The utility model provides a interim insulating cross arm of iron tower which characterized in that: the angle iron fixing clamp comprises an insulating cross arm (1) and angle iron fixing clamps (2) arranged on the insulating cross arm (1), wherein each angle iron fixing clamp (2) comprises a fixing clamp main body (3) and two clamping blocks (4) symmetrically arranged on the left side and the right side of the fixing clamp main body (3), and the clamping blocks (4) are movably arranged on the fixing clamp main body (3) through adjusting fastening mechanisms respectively, so that the clamping blocks (4) can move back and forth towards the fixing clamp main body (3), and the angle iron is clamped; a V-shaped angle steel accommodating through groove (5) is formed in the fixing clamp body (3) between the two clamping blocks (4), and an included angle between groove walls on two opposite sides of the angle steel accommodating through groove (5) is 90 degrees; an angle steel edge clamping groove (6) is formed in the surface of one end, opposite to the angle steel accommodating through groove (5), of the clamping block (4), the two angle steel edge clamping grooves (6) are opposite to the angle steel accommodating through groove (5), the angle steel edge clamping grooves (6) are through grooves, and the groove walls on the two opposite sides of the two angle steel edge clamping grooves (6) are parallel to the groove wall, located on the same side, in the angle steel accommodating through groove (5); the fixing clamp main body (3) is detachably fixed on the insulating cross arm (1).
2. The temporary insulating cross arm for iron tower of claim 1, wherein: the adjusting and fastening mechanism comprises an adjusting screw rod (7) and a guide rod (8), the axis of the adjusting screw rod (7) is parallel to the groove wall on the same side of the angle steel accommodating through groove (5), and the axis of the guide rod (8) is parallel to the axis of the adjusting screw rod (7); the adjusting screw (7) is rotatably fixed on the fixing clamp body (3), the two adjusting screws (7) and the two guide rods (8) are arranged at an included angle of 90 degrees, and after the adjusting screws (7) are screwed, the clamping block (4) can move along the axial directions of the adjusting screws (7) and the guide rods (8); an adjusting screw hole (41) and a guide hole (42) are arranged on the clamping block (4) so that the guide rod (8) is inserted into the guide hole (42); the adjusting screw rod (7) is arranged in the adjusting screw hole (41) and is in threaded connection with the adjusting screw hole (41).
3. The temporary insulating cross arm for iron tower of claim 2, wherein: the clamping block that is equipped with the V-arrangement on the left and right sides of fixation clamp main part (3) respectively dodges groove (9) to dodge clamping block (4), the clamping block dodges the contained angle between the relative both sides cell wall of groove (9) and is 90 °, adjusts fastening device and sets up in clamping block dodges groove (9).
4. The temporary insulating cross arm for iron tower of claim 3, wherein: be equipped with calabash shape hole (20) and guide bar fixed orifices (21) on the cell wall of the one side relative with angle steel edge clamp groove (6) in clamp splice dodge groove (9), the position department adjacent with this side cell wall that is equipped with calabash shape hole (20) and guide bar fixed orifices (21) is equipped with a through groove (10) on fixation clamp main part (3), through groove (10) communicate with calabash shape hole (20) at least, adjusting screw (7) are equipped with a week ring channel (71) with the relative one end of fixation clamp main part (3), in order to form embedding piece (72) at the tip of adjusting screw (7), embedding piece (72) are inserted and are established in calabash shape hole (20), but fix adjusting screw (7) and make adjusting screw (7) axis rotate.
5. The temporary insulating cross arm for iron tower of claim 1, wherein: one end that insulating cross arm (1) and angle steel fixation clamp (2) are relative is equipped with a grafting portion (11), be equipped with lantern ring (12) with grafting portion (11) looks adaptation on fixation clamp main part (3), be equipped with first through-hole (13) that run through the relative both ends outer wall of grafting portion (11) on grafting portion (11), be equipped with second through-hole (14) that run through the relative both ends outer wall of lantern ring (12) on lantern ring (12), grafting portion (11) and lantern ring (12) are fixed through first through-hole (13) and second through-hole (14) back interconnect through bolt (15).
6. The temporary insulating cross arm for iron tower of claim 5, wherein: the bolt (15) is a ball bolt.
7. The temporary insulating cross arm for iron tower of claim 5, wherein: one end of the insertion part (11) opposite to the insulating cross arm (1) is provided with an insertion fixing part (16), the end face of the insulating cross arm (1) is provided with a slot (17), the part of the outer wall of the insulating cross arm (1) positioned in the slot (17) is provided with a plurality of step through holes (18), and the step through holes (18) are communicated with the slot (17); the plug-in fixing part (16) is provided with a screw hole (19) which is opposite to the step through hole (18) after the plug-in fixing part (16) is inserted in the slot (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485482.8U CN214740365U (en) | 2020-11-01 | 2020-11-01 | Iron tower temporary insulation cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022485482.8U CN214740365U (en) | 2020-11-01 | 2020-11-01 | Iron tower temporary insulation cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214740365U true CN214740365U (en) | 2021-11-16 |
Family
ID=78574745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022485482.8U Active CN214740365U (en) | 2020-11-01 | 2020-11-01 | Iron tower temporary insulation cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214740365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328731A (en) * | 2023-11-10 | 2024-01-02 | 河北省景县宏远通讯有限公司 | Intelligent power transmission tower |
-
2020
- 2020-11-01 CN CN202022485482.8U patent/CN214740365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328731A (en) * | 2023-11-10 | 2024-01-02 | 河北省景县宏远通讯有限公司 | Intelligent power transmission tower |
| CN117328731B (en) * | 2023-11-10 | 2024-03-12 | 河北省景县宏远通讯有限公司 | Intelligent power transmission tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110061370B (en) | Portable overhead insulated conductor earthing device | |
| EP3196998A1 (en) | Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line | |
| CN214740365U (en) | Iron tower temporary insulation cross arm | |
| KR101573004B1 (en) | Insulator for supporting aerial power distribution line | |
| RU181891U1 (en) | ISOLATED ADAPTER | |
| CN109473245B (en) | 20kV pillar type arrester | |
| CN110797795A (en) | Operation method for breaking or connecting 10kV insulated wire line branch line drainage wire by insulating short rod | |
| CN110601088A (en) | Cable auxiliary device for electric power engineering construction | |
| CN214740366U (en) | Temporary insulating cross arm of electric pole | |
| CN210577619U (en) | Splicer for bus duct | |
| CN210956301U (en) | Insulator string suspension device for salt density test | |
| CN201570812U (en) | Grounding wire device for circuit anti-induction electricity | |
| CN101702496B (en) | Anti-induced electrical grounding wire device of circuit | |
| CN110752549A (en) | Operation method for breaking or connecting 10kV strain rod drainage wire of insulating short rod | |
| CN103818833B (en) | A kind of for the movable power transmitting device of high-potting bus | |
| CN219627108U (en) | Bus structure of AC column cabinet | |
| CN219477480U (en) | Auxiliary fixture for mounting high-voltage cable terminal | |
| CN214203339U (en) | Novel support insulator structure | |
| CN210052919U (en) | Anti-electric-shock clamping type terminal data cable connecting device | |
| CN217240262U (en) | Plug-in type bus duct connection structure | |
| CN204947467U (en) | Vertical two elevator | |
| CN217642668U (en) | Medium-voltage three-core cable intermediate joint installation positioner | |
| CN220358628U (en) | Circuit fixing device for power distribution box | |
| CN204012548U (en) | A kind of Novel bus duct connector | |
| CN220358798U (en) | Underground cable lays protector for power maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 15th floor, Yantian modern industry service center, 3018 Shayan Road, Shatoujiao street, Yantian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen electrified Technology Development Co.,Ltd. Address before: 518000 15th floor, Yantian modern industry service center, 3018 Shayan Road, Shatoujiao street, Yantian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Huarui Fengsheng Live Working Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |