CN112864997A - Cross arm structure for branch line to connect upper-layer wires of four loops - Google Patents
Cross arm structure for branch line to connect upper-layer wires of four loops Download PDFInfo
- Publication number
- CN112864997A CN112864997A CN202110006459.2A CN202110006459A CN112864997A CN 112864997 A CN112864997 A CN 112864997A CN 202110006459 A CN202110006459 A CN 202110006459A CN 112864997 A CN112864997 A CN 112864997A
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- Prior art keywords
- rod
- cross
- horizontal
- fixing
- arm structure
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- 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.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000010079 rubber tapping Methods 0.000 claims abstract description 12
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052573 porcelain Inorganic materials 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- 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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a cross arm structure for connecting a branch line with an upper-layer lead of a four-loop, which is arranged on an electric pole and comprises a lower fixing mechanism, an upper fixing mechanism and a connecting rod, wherein the upper fixing mechanism comprises a horizontal cross rod and a first bolt assembly, the horizontal cross rod is fixed on the electric pole through the pretightening force of the first bolt assembly, and one end of the horizontal cross rod is also provided with a tapping cross arm for tapping the lead to the upper-layer lead, therefore, the invention has the advantages that: on shunting cross arm through last fixed establishment will lead wire shunting to upper conductor, make the lead wire need not to go into from the middle cluster, satisfied need not have a power failure, the number of households when can effectively reduce the power failure improves operating personnel's security, provides the powerful guarantee for the reliability of installing this cross arm overlap joint four-circuit wire, and the lead wire after the installation is difficult for rocking, has improved the installation effectiveness.
Description
Technical Field
The invention relates to a cross arm structure for connecting a branch line with an upper-layer lead of a four-loop.
Background
According to the running requirements of distribution line elements of distribution line live working, the safe distance between a 10kV voltage class phase and the ground is more than or equal to 0.20m, the distance between two phases in the middle of a four-loop is 1.5m, the safe distance between the lowest phase and the highest phase is 2.7m, the length of a connected lead is long, the lead is easy to break, the lead does not have enough safe distance with surrounding grounding components and different phase electrified bodies, several potentials are connected in series, the distance between two phases in the middle of the four-loop is 1.5m, the safe distance between the lowest phase and the highest phase is 2.7m, the lower lead of the existing four-loop has larger load, the upper lead is required to be cut and connected to the upper lead for completion, the existing leads are connected in series and connected in lap joint from the middle, the lead is easy to shake during live working, the safety of operators and equipment is not guaranteed, the inter-phase distance is too short, the operators can not enter, and safety risks exist, so that the lead can only be fixed by fixing a cross-arm porcelain bottle for power, thereby affecting the reliability of the power supply.
Disclosure of Invention
The invention aims to provide a cross arm structure for connecting a branch line with an upper-layer lead of a four-loop, which can realize the lap joint of a lead to the upper-layer lead without power failure and ensure the stability of power supply.
In order to solve the technical problems, the invention is realized by the following technical scheme: a cross arm structure for connecting a branch line with an upper-layer lead of a four-loop is arranged on an electric pole and comprises a lower fixing mechanism, an upper fixing mechanism and a connecting rod, wherein the upper fixing mechanism comprises two horizontal cross rods which are parallel to each other and a first bolt assembly arranged between the horizontal cross rods, the horizontal cross rods are fixed on the electric pole through the pretightening force of the first bolt assembly, a fixing rod for fixing a porcelain bottle is further arranged between the two horizontal cross rods, the fixing rod is detachably arranged on the horizontal cross rods, a tapping cross arm for tapping a lead onto the upper-layer lead is further arranged at one end of each horizontal cross rod, the lower fixing mechanism comprises a first fixing plate, a second fixing plate and a second bolt assembly, the first fixing plate and the second fixing plate are connected through the second bolt assembly, a fixing hole matched with the electric pole is formed between the first fixing plate and the second fixing plate, one end of the connecting rod is rotatably connected to the second bolt assembly, the connecting rod is arranged between the first fixing plate and the second fixing plate, the other end of the connecting rod is detachably mounted on the horizontal cross rod, and anti-corrosion zinc coating layers are arranged on the lower fixing mechanism, the upper fixing mechanism, the connecting rod and the tapping cross arm.
Preferably, the shunting cross arm comprises a long rod and two short rods, an insulating rod type porcelain bottle for binding a lead is arranged on the long rod, one end of each short rod is fixedly connected to the long rod, and the other end of each short rod is detachably mounted on the horizontal cross rod.
Preferably, the long rod comprises a horizontal part and a vertical part, the horizontal part is arranged at the top end of the vertical part, the vertical part is provided with a mounting hole for mounting the insulating rod type porcelain insulator, and the short rod is mounted on the horizontal part through a third bolt assembly.
Preferably, the third bolt assembly comprises a third bolt and a third nut, a through hole matched with the third bolt is formed in the short rod, a strip-shaped hole matched with the third bolt is formed in the vertical portion, and the third bolt penetrates through the strip-shaped hole and the through hole in sequence and then is locked through the third nut.
Preferably, three insulating rod type porcelain bottles are installed on the vertical part, and color codes corresponding to the insulating rod type porcelain bottles one to one are further arranged on the vertical part or the horizontal part.
Preferably, the other end of the short rod is detachably mounted on the horizontal cross rod through a screw.
Preferably, the length ratio of the long rod to the short rod is 5: 3-5: 2.
Preferably, a first arc-shaped groove is formed in the first fixing plate, a second arc-shaped groove is formed in the second fixing plate, the fixing hole is formed between the first arc-shaped groove and the second arc-shaped groove, and anti-skid pads are arranged on the first arc-shaped groove and/or the second arc-shaped groove.
Preferably, be equipped with increase horizontal pole and pole area of contact's butt plate on the horizontal pole, just butt plate and horizontal pole formula structure as an organic whole.
Preferably, one end of the connecting rod is provided with a rotating sleeve matched with the second bolt assembly, and the other end of the connecting rod is provided with a supporting plate connected with the horizontal cross rod.
In conclusion, the invention has the advantages that: the cross arm structure is fixedly arranged on the electric pole through the lower fixing mechanism and the upper fixing frame, the lead is connected to the upper conductor through the connecting cross arm on the upper fixing mechanism in a connecting way, so that the lead does not need to be connected in series from the middle, the power failure is avoided, the number of households in power failure can be effectively reduced, the safety of operators is improved, the reliability of the cross arm connecting four-loop conductor is guaranteed, the installed lead is not easy to shake, the installation efficiency is improved, secondly, one end of the connecting rod is rotatably connected to the second bolt component of the lower fixing mechanism, the other end of the connecting rod is detachably arranged on the horizontal cross rod, the height difference between the lower fixing mechanism and the upper fixing mechanism can be adjusted according to the actual installation environment during installation, different installation requirements are met, the connecting rod is rotatably connected to the second bolt component, and linkage locking of the connecting rod can be guaranteed when the first fixing plate and the second fixing plate are locked, the fixing quality of the connecting rod is improved, the locking of the connecting rod can be realized without an additional auxiliary locking structure, the locking effect is good, the fixing quality of the cross arm structure is improved, the whole installation and disassembly are convenient, the upper fixing mechanism is arranged into two parallel horizontal cross rods and a first bolt assembly, the upper fixing mechanism can be quickly installed on the electric pole, the relative sliding between the upper fixing mechanism and the electric pole is reduced, the fixing rod is detachably installed on the horizontal cross rods, the horizontal cross rods are not limited by the fixing rod during installation, the whole installation efficiency is improved, the positions of the fixing rod on the horizontal cross rods can be set according to actual requirements, the lower fixing mechanism is arranged into a first fixing plate, a second fixing plate and a second bolt assembly, the first fixing plate is matched with the electric pole through a fixing hole formed between the first fixing plate and the second fixing plate, and the fastening is realized through the second bolt assembly, the integral fixing quality can be improved, and finally, the service life of the lower fixing mechanism, the upper fixing mechanism, the connecting rod and the tapping cross arm can be prolonged due to the arrangement of the zinc coating, so that subsequent overhauling, disassembling and maintenance are facilitated.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further illustrated with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a cross arm structure for a branch line to connect an upper layer wire of a four-loop circuit according to the present invention;
FIG. 2 is a schematic structural diagram of a tapping cross arm according to the present invention;
FIG. 3 is a schematic structural view of an upper fixing mechanism according to the present invention;
fig. 4 is a schematic structural view of the lower fixing mechanism of the present invention.
Reference numerals:
1 lower fixing mechanism, 11 first fixed plate, 12 second fixed plate, 13 second bolt assembly, 14 fixed orifices, 15 first arc recess, 16 second arc recess, 17 slipmat, 2 upper fixing mechanism, 21 horizontal cross bar, 22 first bolt assembly, 23 dead lever, 24 butt joint board, 3 connecting rod, 31 swivel mount, 32 backup pad, 4 shunting cross arm, 41 stock, 42 quarter butt, 43 insulation rod formula vase, 44 horizontal part, 45 vertical portion, 46 third bolt assembly, 47 through-hole, 48 bar hole, 49 color codes, 5 screws, 6 electric poles.
Detailed Description
As shown in fig. 1, 2, 3, and 4, a cross arm structure for connecting a branch line to an upper conductor of a four-circuit loop is mounted on an electric pole 6, and includes a lower fixing mechanism 1, an upper fixing mechanism 2, and a connecting rod 3, where the upper fixing mechanism 2 includes two parallel horizontal cross rods 21, and a first bolt assembly 22 disposed between the horizontal cross rods 21, the first bolt assembly 22 includes a first bolt and a first nut, the first bolt passes through the two horizontal cross rods and is locked by the first nut during mounting, the horizontal cross rod 21 is fixed on the electric pole 6 by a pre-tightening force of the first bolt assembly 22, a fixing rod 23 for fixing a porcelain bottle is further disposed between the two horizontal cross rods 21, and the fixing rod 23 is detachably mounted on the horizontal cross rod 21, a tapping cross arm 4 for tapping the lead line to the upper conductor is further mounted at one end of the horizontal cross rod 21, lower fixed establishment 1 includes first fixed plate 11, second fixed plate 12 and second bolt assembly 13, and second bolt assembly 13 includes second bolt and second nut, and during the installation, the second bolt passes through and locks through the second nut behind first fixed plate 11 and the second fixed plate 12, first fixed plate 11 and second fixed plate 12 link to each other through second bolt assembly 13, be equipped with between first fixed plate 11 and the second fixed plate 12 with 6 matched with fixed orifices 14 of pole, the one end of connecting rod 3 is rotated and is connected on second bolt assembly 13, just connecting rod 3 sets up between first fixed plate 11 and second fixed plate 12, the other end detachable of connecting rod 3 installs on horizontal cross bar 21, all be equipped with anticorrosive galvanized coating on lower fixed establishment 1, last fixed establishment 2, connecting rod 3 and the shunting cross arm 4.
The cross arm structure is fixedly arranged on an electric pole 6 through the lower fixing mechanism 1 and the upper fixing frame, the lead is connected to the upper layer lead through the connecting cross arm 4 on the upper fixing mechanism 2 in a connecting mode, the lead does not need to be connected in series from the middle, the power failure is avoided, the number of households in power failure can be effectively reduced, the safety of operators is improved, powerful guarantee is provided for the reliability of the four-circuit lead connected with the cross arm, the installed lead is not prone to shaking, the installation efficiency is improved, secondly, one end of the connecting rod 3 is rotatably connected to the second bolt assembly 13 of the lower fixing mechanism 1, the other end of the connecting rod 3 is detachably arranged on the horizontal cross rod 21, the height difference between the lower fixing mechanism 1 and the upper fixing mechanism 2 can be adjusted according to the actual installation environment during installation, different installation requirements are met, and the connecting rod 3 is rotatably connected to the second bolt assembly 13, when the first fixing plate 11 and the second fixing plate 12 are locked, the linkage locking of the connecting rod 3 can be ensured, the fixing quality of the connecting rod 3 is improved, the locking of the connecting rod 3 can be realized without an additional auxiliary locking structure, the locking effect is good, the fixing quality of the cross arm structure is improved, the whole installation and the disassembly are convenient, the upper fixing mechanism 2 is arranged into two parallel horizontal cross rods 21 and a first bolt assembly 22, the installation of the upper fixing mechanism 2 on the electric pole 6 can be quickly realized, the relative sliding of the upper fixing mechanism 2 and the electric pole 6 is reduced, the fixing rod 23 is detachably arranged on the horizontal cross rod 21, the horizontal cross rod 21 is not limited by the fixing rod 23 when being installed, the whole installation efficiency is improved, the position of the fixing rod 23 on the horizontal cross rod 21 can be set according to the actual requirement, the lower fixing mechanism 1 is arranged into the first fixing plate 11, the second fixing plate 12 and the second bolt assembly 13, realize the cooperation with pole 6 through the fixed orifices 14 that form between first fixed plate 11 and the second fixed plate 12 to fasten through second bolt assembly 13, can improve holistic fixed quality, finally, the setting of galvanizing coat can improve down fixed establishment 1, go up fixed establishment 2, connecting rod 3 and shunting cross arm 4's life, subsequent maintenance and dismantlement of being convenient for are maintained.
Shunting cross arm 4 includes stock 41 and two quarter butts 42, be equipped with the insulating rod formula vase 43 of ligature lead wire on the stock 41, the one end fixed connection of quarter butts 42 is on stock 41, the other end detachable of quarter butts 42 installs on horizontal cross bar 21, and stock 41 is used for fixed stay rod formula vase 43, and the square joinable is reliable, and insulating rod formula vase 43 can provide the holding power for the lead wire and increase safe distance, and quarter butts 42 can realize that shunting cross arm 4 is quick to be installed on horizontal cross bar 21.
The long rod 41 comprises a horizontal part 44 and a vertical part 45, the horizontal part 44 is arranged at the top end of the vertical part 45, a mounting hole for mounting an insulating rod type porcelain bottle 43 is arranged on the vertical part 45, the short rod 42 is mounted on the horizontal part 44 through a third bolt assembly 46, so that the short rod 42 and the insulating rod type porcelain bottle 43 can be mounted on the long rod 41 independently, the whole mounting efficiency is simplified, the third bolt assembly 46 comprises a third bolt and a third nut, a through hole 47 matched with the third bolt is arranged on the short rod 42, a strip-shaped hole 48 matched with the third bolt is arranged on the vertical part 45, the third bolt sequentially passes through the strip-shaped hole 48 and the through hole 47 and is locked through the third nut, the strip-shaped hole 48 can adjust the distance between the two short rods 42, so that the third bolt is suitable for different mounting environments, the practicability is good, and the third bolt assembly 46 is arranged into the third bolt and the third nut, the installation is dismantled conveniently, and locking effect is good.
Three insulating rod type porcelain bottles 43 are mounted on the vertical part 45, color codes 49 corresponding to the insulating rod type porcelain bottles 43 one by one are further arranged on the vertical part 45 or the horizontal part 44, the three insulating rod type porcelain bottles 43 are arranged to facilitate independent shunting of three-phase leads on only an upper layer lead, and the leads are distinguished through the color codes 49, so that the shunting quality of the leads is improved, the wrong installation of the leads is avoided, and the safety performance is improved, the color codes 49 in the embodiment are preferentially arranged on the vertical part 45, the other end of the short rod 42 is detachably mounted on the horizontal cross rod 21 through the screw 5, the screw 5 is conveniently mounted and dismounted, specifically, the short rod 42 is provided with a through hole 47 or a threaded hole, the horizontal cross rod 21 is provided with a threaded hole matched with the screw 5 to ensure the fixing quality of the short rod 42, the length ratio of the long rod 41 to the short rod 42 is 5: 3-5: 2, so that the connecting strength of the whole shunting cross arm 4 can, the shaking of the long rod 41 is reduced, and the length ratio of the long rod 41 to the short rod 42 in the embodiment preferably adopts 2: 1.
the first fixing plate 11 is provided with a first arc-shaped groove 15, the second fixing plate 12 is provided with a second arc-shaped groove 16, the fixing hole 14 is formed between the first arc-shaped groove 15 and the second arc-shaped groove 16, the first arc-shaped groove 15 and/or the second arc-shaped groove 16 are/is provided with anti-slip pads 17, the fixing hole 14 is formed by the first arc-shaped groove 15 and the second arc-shaped groove 16, the installation and disassembly are convenient, the fixing device can adapt to electric poles 6 with different diameters, the installation and disassembly are convenient, the anti-slip pads 17 are arranged, the fixing quality of the lower fixing structure can be improved, the relative sliding between the lower fixing structure and the electric pole 6 is prevented, the installation quality is improved, the horizontal cross rod 21 is provided with a butt joint plate 24 which increases the contact area between the horizontal cross rod 21 and the electric pole 6, and the butt joint plate 24 and the horizontal cross rod 21 are, in the embodiment, the abutting plate 24 can be provided with the abutting groove, so that the mounting process of the upper fixing structure is simplified, the abutting plate 24 and the horizontal cross bar 21 are arranged into an integral structure, the mounting process between the abutting plate 24 and the horizontal cross bar 21 can be simplified, the integral connecting strength is improved, one end of the connecting rod 3 is provided with a rotating sleeve 31 matched with the second bolt component 13, the other end of the connecting rod 3 is provided with a supporting plate 32 connected with the horizontal cross rod 21, the arrangement of the rotating sleeve 31 can not only realize that the connecting rod 3 is quickly arranged on the second bolt component 13, and can ensure the stability of the rotation of the connecting rod 3, and in addition, the arrangement of the supporting plate 32 can not only quickly realize the connection between the connecting rod 3 and the horizontal cross rod 21, and the contact area with the horizontal cross bar 21 can be increased, the fixing quality is improved, and the support plate 32 in the embodiment can be detachably mounted on the horizontal cross bar 21 through the screw 5 or the bolt.
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 (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006459.2A CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006459.2A CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112864997A true CN112864997A (en) | 2021-05-28 |
| CN112864997B CN112864997B (en) | 2023-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006459.2A Active CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112864997B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278452Y (en) * | 2008-09-12 | 2009-07-22 | 于观武 | Support frame |
| CN203821940U (en) * | 2014-03-15 | 2014-09-10 | 国网山东省电力公司潍坊供电公司 | Intelligent equipment installation rack capable of being quickly assembled |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN207518244U (en) * | 2017-11-06 | 2018-06-19 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of 220kV double backs overhead transmission line cable cut-offs bar |
| CN210380182U (en) * | 2019-10-21 | 2020-04-21 | 安徽和光电气设备有限公司 | Electric iron accessory with automatic vibration damping mechanism |
| CN210888253U (en) * | 2019-06-12 | 2020-06-30 | 河北利奥电力器材制造有限公司 | Firm type wire pole |
| JP2020137484A (en) * | 2019-02-28 | 2020-09-03 | 中国電力株式会社 | Bird injury preventing tool |
-
2021
- 2021-01-05 CN CN202110006459.2A patent/CN112864997B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278452Y (en) * | 2008-09-12 | 2009-07-22 | 于观武 | Support frame |
| CN203821940U (en) * | 2014-03-15 | 2014-09-10 | 国网山东省电力公司潍坊供电公司 | Intelligent equipment installation rack capable of being quickly assembled |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN207518244U (en) * | 2017-11-06 | 2018-06-19 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of 220kV double backs overhead transmission line cable cut-offs bar |
| JP2020137484A (en) * | 2019-02-28 | 2020-09-03 | 中国電力株式会社 | Bird injury preventing tool |
| CN210888253U (en) * | 2019-06-12 | 2020-06-30 | 河北利奥电力器材制造有限公司 | Firm type wire pole |
| CN210380182U (en) * | 2019-10-21 | 2020-04-21 | 安徽和光电气设备有限公司 | Electric iron accessory with automatic vibration damping mechanism |
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| Publication number | Publication date |
|---|---|
| CN112864997B (en) | 2023-04-21 |
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