CN109557849A - A kind of drainage thread waves adjusting and monitoring device - Google Patents
A kind of drainage thread waves adjusting and monitoring device Download PDFInfo
- Publication number
- CN109557849A CN109557849A CN201811448710.5A CN201811448710A CN109557849A CN 109557849 A CN109557849 A CN 109557849A CN 201811448710 A CN201811448710 A CN 201811448710A CN 109557849 A CN109557849 A CN 109557849A
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- drainage thread
- module
- waves
- monitoring device
- fixed block
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
-
- 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
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Sewage (AREA)
Abstract
A kind of drainage thread waves adjusting and monitoring device, including electricity-fetching module, link block and adjustment module, the link block includes fixed block and spin balancing mechanism, fixed block is fixed by two sets of bolts with shell, spin balancing mechanism is arranged on the downside of fixed block, fixed block periphery sensor is installed by sensor stand, multiple position-limited claws are fixedly mounted below the spin balancing mechanism, spherical clamp is set in the space that multiple position-limited claws enclose, connecting rod is set on spherical clamp, adjustment module is fixedly mounted in the lower end of connecting rod, the adjustment module includes the flexible connector for including inverted V-shaped, the top of flexible connector is fixed with connecting rod, it is a that two sides of flexible connector, which horizontally form angle, two sides are to be staggered to form angle b in the longitudinal direction.The present invention can be monitored by background system to drainage thread real-time online large number of on transmission line of electricity and itself automatic adjustment, is conducive to the operational safety for improving transmission line of electricity and reduces management cost.
Description
Technical field
The present invention relates to a kind of overhead transmission line monitoring device, especially a kind of drainage thread waves adjusting and monitoring device
Background technique
With the construction and development of transmission line of electricity, waving for overhead transmission line is that drainage thread generates low frequency, large amplitude
Self-excited vibration, its formation depends primarily on three aspect factor, the i.e. structure and parameter of icing, the excitation of wind and route.Make
For the key component in transmission line of electricity --- drainage thread, because of the features such as its own arc sag is big, drawing force is small, relative to overhead power transmission
Route is easier to wave.
Wave generation harm be it is various, less serious case occur dodge irons, trips, severe one occur fitting, insulator damage, lead
Stranded, broken string, shaft tower bolt looseness, or even tower are caused, great power grid accident is caused, area generation in south China in such as 2008
Frost natural calamity, cause southern power grid because ice damage stoppage in transit power circuit is up to 36740, stoppage in transit substation totally 2018
Seat, 10 kilovolts to 500 KV line are fallen tower totally 8381 base because of calamity, wherein and cause transformer equipment to damage because conducting wire is waved,
It is the disaster-stricken serious major reason of current power grid.
Therefore, the research waved increasingly is valued by people, but existing overhead transmission line monitoring device knot
Structure is relatively simple, is largely only capable of playing monitoring drainage thread and waves, and can not be adjusted to waving.
As Chinese patent (102944261 B of authorized announcement date CN) discloses, " a kind of drainage thread waves on-line monitoring dress
Set ", the present invention includes shell, controller and sensor, and shell is tubular, shielding cylinder is installed on inner surface of outer cover, in shielding cylinder
Support sleeve is installed on surface, and controller is installed in support sleeve, and left end cap is installed in shell left end, and shell right end installs right end cap, right end
Antenna is installed on lid right side, and outer surface of outer cover installs solar panel, and shell is connect by fixed block with fixture, and fixed block is located at
On the outside of solar panel, sensor is installed, fixture is by upper mounted plate, bottom plate and connection shaft between fixed block and fixture
The left end of composition, upper mounted plate and bottom plate is hinged, and the right end of upper mounted plate and bottom plate passes through connection shaft connection.This
Advantageous effect of the invention is can be fixedly secured on drainage thread, easily disassembled when needing to overhaul or replace, and zero when disassembly
Part is not fallen out, and avoids wounding event caused by falling because of part and construction personnel goes up and down repeatedly, save the time, reduce dimension
Protect cost.
Above-mentioned and existing overhead transmission line monitoring device, does not still have and waves regulatory function to drainage thread.
Summary of the invention
The present invention provides a kind of drainage thread and waves adjusting and monitoring device, for solving the problems of the prior art.
In order to achieve the object of the present invention, using following technical scheme:
A kind of drainage thread waves adjusting and monitoring device, the link block of electricity-fetching module, middle part including top and lower part
Adjustment module, the electricity-fetching module includes the shell, controller and sensor of tubular, outer casing inner wall fitting installation shielding cylinder,
Shielding cylinder inner wall fitting installation support sleeve, support sleeve is interior to install controller, and the left end of the shell and right end install left end respectively
Lid, right end cap, right end cap are equipped with antenna, the outer shell outer wall fitting installation solar panel, and the link block includes
Fixed block and spin balancing mechanism, fixed block are fixed by two sets of bolts with shell, and spin balancing mechanism is arranged under fixed block
Side, fixed block periphery install sensor by sensor stand, multiple position-limited claws are fixedly mounted below the spin balancing mechanism,
Spherical clamp is set in the space that multiple position-limited claws enclose, connecting rod is set on spherical clamp, the lower end of connecting rod, which is fixedly mounted, to be adjusted
Module, the adjustment module include the flexible connector for including inverted V-shaped, and top and the connecting rod of flexible connector are fixed, and elasticity is even
Two sides of fitting horizontally form that angle is a, two sides are to be staggered to form angle b in the longitudinal direction, and elasticity is even
The clamp system of fitting two settings of side lateral ends and drainage thread cooperation；AT89C51 single-chip microcontroller is had on the controller,
Battery module, wireless communication module are fixedly installed in support sleeve, battery module is controller power supply, battery module and solar-electricity
Pond plate electrical connection, wireless communication module, sensor respectively with the I/O signal end communication connection of controller, wireless communication module with
Antenna communication connection.
In order to further realize the purpose of the present invention, following technical scheme can also be used:
Drainage thread as described above waves adjusting and monitoring device, and the spin balancing mechanism includes upper mounted plate, sealing
Cylinder, lower movable plate, slide bar, shaft, the sealing drum are arranged between upper mounted plate and lower movable plate；Fixed board bottom face
It is provided with annular groove, axis hole is provided among lower trap, the lower end of the slide bar is fixedly connected with lower movable plate, and slide bar upper end card is set
In annular groove, the shaft is mounted on upper mounted plate, and the lower end of shaft is protruded into axis hole, is arranged between shaft and axis hole
Have a bearing, the position periphery that shaft is located in sealing drum is arranged torsionspring, the both ends of torsionspring respectively with upper mounted plate, under
Movable plate is fixedly connected.
Drainage thread as described above waves adjusting and monitoring device, and the clamp system includes coaxial inner barrel and outer barrel,
Inner barrel and outer barrel one end be fixedly mounted sealing bezel ring, the other end installation clamp pipe, described clampings pipe one end be fastened on inner tube with outside
Between pipe, the other end is fixed with the rising bar of more coaxial arrangements, and more rising bars are arranged in installation clamping rings, fixed circle
It is connected between ring and rising bar by helicitic texture, intermediate lands, intermediate lands and clamping is equipped between the inner barrel and outer barrel
Holddown spring is installed between pipe.
A kind of drainage thread as described above waves adjusting and monitoring device, and the controller is equipped with data memory module,
Drainage thread of the data memory module for storage sensor to detect waves data.
A kind of drainage thread as described above waves adjusting and monitoring device, two side angle a of the flexible connector
Range is 130~160 °.
A kind of drainage thread as described above waves adjusting and monitoring device, two side angle b of the flexible connector
Range is 30~50 °.
A kind of drainage thread as described above waves on-Line Monitor Device, baffle is arranged on the right side of the antenna, baffle is mounted on
On right end cap.
A kind of drainage thread as described above waves on-Line Monitor Device, installs pressing plate on the inside of the support sleeve, pressing plate and outer
Shell, fixed block are bolted to connection.
Compared with prior art, beneficial effects of the present invention:
1, the present invention is provided with adjustment module, which is coupled with drainage thread, when drainage thread waves amplitude mistake
When endangering greatly or there are self-excited vibration, the horizontal and vertical pulling force that flexible connector itself has, in conjunction with the radian of drainage thread
Variation is adjusted, and waves amplitude or mitigation autoexcitation vibration so as to reduce drainage thread, drainage thread is avoided to wave the harm of generation.
2, the spin balancing mechanism being arranged in adjustment module and the activity being made of multiple position-limited claws, spherical clamp are even
Connection mechanism can use the continuous variation of present apparatus center of gravity, changes drainage thread and waves the turbulent flow being likely to occur, and in spin balancing
It is provided with torsionspring in mechanism, revolution pulling force can be provided to the adjustment module waved with drainage thread, to enhance drainage thread dance
Dynamic regulating effect.
3, the present invention is provided with wireless communication module, can be by background system to drainage large number of on transmission line of electricity
Line real-time online is monitored, and is conducive to the operational safety for improving transmission line of electricity and is reduced management cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the partial enlargement diagram of flexible connector described in Fig. 1；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the schematic diagram of internal structure of spin balancing mechanism described in Fig. 1；
Fig. 5 is I partial enlargement diagram in Fig. 4；
Fig. 6 is the enlarged structure schematic diagram of clamp system described in Fig. 1；
Fig. 7 is electrical principle block diagram of the invention.
Appended drawing reference: 1- electricity-fetching module, 11- shell, 12- controller, 13- sensor, 14- shielding cylinder, 15- support sleeve,
16- left end cap, 17- right end cap, 18- antenna, 19- solar panel, 20- baffle, 21- pressing plate, 23- bolt, 24- are fixed
Block, 3- adjustment module, 31- flexible connector, 32- inner cylinder, 33- outer cylinder, 34- sealed end bezel ring, 35- clamp pipe, and 351- is clamped
Item, 36- clamping rings, 37- intermediate lands, 38- holddown spring, 4- spin balancing mechanism, 41- upper mounted plate, 42- sealing drum,
Movable plate under 43-, 44- slide bar, 45- shaft, 46- bearing, 47- axis hole, 5- position-limited claw, 6- spherical shape clamp, 7- connecting rod, 8- drainage
Line.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
As shown in Fig. 1-Fig. 7, a kind of drainage thread disclosed in the present embodiment waves adjusting and monitoring device, including electricity-fetching module
1, the link block at middle part and the adjustment module of lower part 3.
As shown in Figure 1, electricity-fetching module 1 is located at the top of the present apparatus, shell 2, controller 12 and sensor including tubular
13,2 inner wall of shell fitting installation shielding cylinder 14,14 inner wall of shielding cylinder fitting installation support sleeve 15, the interior installation control of support sleeve 15
Device 12,2 outer wall of shell fitting installation solar panel 19.The left end of shell 2 and right end install left end cap 16, right end cap respectively
17, right end cap 17 is equipped with antenna 18, and antenna 18 is connect with radio communication mold block signal, detects for radio transmission transducing device 13
Drainage thread 8 wave data, the work of the working principle of above-mentioned electricity-fetching module 11 and existing overhead transmission line monitoring device
Principle is identical.
It is fixed setting battery module in support sleeve 15, wireless as shown in fig. 7, have AT89C51 single-chip microcontroller on controller 12
Communication module, battery module are the power supply of controller 12, and battery module is electrically connected with solar panel 19, wireless communication module,
Sensor 13 respectively with the I/O signal end communication connection of controller 12, wireless communication module.
AT89C51 single-chip microcontroller belongs to universal controller 12 in the present embodiment, and adaptation range is wide, can reduce the present apparatus at
This, convenient for safeguarding and management.Battery module is made of rechargeable lithium battary, and output voltage is the safe voltage of 12V or 24V,
Wireless communication module is integrated GPRS communication module, and model SIM900 waves number apart from large-scale drainage thread 8 greatly to realize
According to acquisition and monitoring, and real-time control and adjusting can be carried out to the present apparatus by background system, sensor 13 by accelerometer with
Gyroscope is constituted, and the three-dimensional that accelerometer waves monitoring point for monitoring drainage thread 8 waves acceleration, and gyroscope draws for monitoring
The three-dimensional that streamline 8 waves monitoring point waves angular speed.
In order to reduce the weight of electricity-fetching module 1, cylindrical case 2 is made of aluminium alloy extrusions, and thickness is about 2mm, inside
Wall is equipped with salient rib and increases structural strength, and the overall weight of electricity-fetching module 1 is about 0.3Kg, and left end cap 16, right end cap 17 are using modeling
Material material is made, and connecting portion is provided with gasket, to guarantee use quality and the service life of the electronic component inside shell 2.
As shown in Figure 2 and Figure 3, adjustment module 3 is located at the lower part of the present apparatus, and the peace for realizing the present apparatus is cooperated with drainage thread 8
Dress.Including the flexible connector 31 including inverted V-shaped, the top of flexible connector 31 and connecting rod 7 are fixed, and the two of flexible connector 31
A side horizontally forms that angle is a, two sides are to be staggered to form angle b in the longitudinal direction, flexible connector 31
The clamp system that two side lateral ends settings cooperate with drainage thread 8.
As shown in Figure 1, Figure 4, Figure 5, link block includes fixed block 24 and spin balancing mechanism 4, and fixing pipe passes through two sets
Bolt 23 and shell 2 are fixed, and the setting of spin balancing mechanism 4 passes through 13 bracket of sensor over fixed in 24 downside of fixed block in week
Sensor 13 is installed, is fixedly mounted multiple position-limited claws 5 below the spin balancing mechanism 4, in the space that multiple position-limited claws 5 enclose
Spherical clamp 6 is set, connecting rod 7 is set on spherical clamp 6, adjustment module 3 is fixedly mounted in the lower end of connecting rod 7,
8 real-time online of drainage thread large number of on transmission line of electricity is monitored by background system, is conducive to improve
The operational safety and reduction management cost of transmission line of electricity.
The present apparatus is in use, when monitor that drainage thread 8 waves that amplitude is excessive or there are self-excited vibrations by sensor 13
When endangering, the horizontal and vertical pulling force that flexible connector 31 has in itself changes adjusting in conjunction with the radian of drainage thread 8, so as to
Amplitude or mitigation autoexcitation vibration are waved to reduce drainage thread 8, drainage thread 8 is avoided to wave the harm of generation.In adjustment module 3
The spin balancing mechanism 4 of setting and the moving connecting mechanism being made of multiple position-limited claws 5, spherical clamp 6, can use this dress
The continuous variation of center of gravity is set, changes drainage thread 8 and waves the turbulent flow being likely to occur, and be provided with torsion in spin balancing mechanism 4
Spring can provide revolution pulling force to the adjustment module 3 waved with drainage thread 8, drainage thread 84 is avoided to wave the harm of generation.
Further, the controller 12 of the present embodiment is equipped with data memory module, and data memory module is passed for storing
The drainage thread 84 that sensor 13 detects waves data.
As shown in fig. 6, spin balancing mechanism 4 includes upper mounted plate 41, sealing drum 42, lower movable plate 43, slide bar 44, shaft
45, the sealing drum 42 is arranged between upper mounted plate 41 and lower movable plate 43；Fixed 41 bottom surface of plate is provided with annular cunning
Slot is provided with axis hole 47 among lower trap, and the lower end of the slide bar 44 is fixedly connected with lower movable plate 43, and 44 upper end of slide bar is fastened on
In annular groove, the shaft 45 is mounted on upper mounted plate 41, and the lower end of shaft 45 is protruded into axis hole 47, shaft 45 and axis hole
Bearing 46 is provided between 47, the position periphery that shaft 45 is located in sealing drum 42 is arranged torsionspring, the both ends of torsionspring
It is fixedly connected respectively with upper mounted plate 41, lower movable plate 43.
Two side angle a ranges are 130~160 °, and two side angle b ranges are 30~50 °.By structure simulation
And testing inspection, angle a is 150 °, angle b is 45 °, tension possessed by flexible connector 31 and rebound effect are preferable,
And it can guarantee enough intensity.
As shown in fig. 6, the clamp system mechanism that the present embodiment uses, including coaxial inner cylinder 32, outer cylinder 33, sealing cover
Ring clamps pipe 34, clamping rings 36, intermediate lands 37, holddown spring 38, and sealing cover is fixedly mounted in inner cylinder 32 and 33 one end of outer cylinder
Ring, other end installation clamp pipe 34, and described 34 one end of clamping pipe is fastened between inner tube and outer tube, and the other end is fixed with more
The tension bar 351 of coaxial arrangement, more tension bars 351 are arranged in installation clamping rings 36, clamping rings 36 and tension bar 351 it
Between by helicitic texture connect, between the inner cylinder 32 and outer cylinder 33 be equipped with intermediate lands 37, intermediate lands 37 and clamp pipe 34
Between install holddown spring 38.
As shown in Figure 1 and Figure 2, baffle 20 is set on the right side of antenna 18 in the present embodiment, and baffle 20 is mounted on right end cap 17
On；Pressing plate 21 is installed, pressing plate 21 is fixedly connected with shell, fixed block by two sets of bolts 23 on the inside of support sleeve 15.
The technology contents of the not detailed description of the present invention are well-known technique.
Claims (8)
1. a kind of drainage thread waves adjusting and monitoring device, the link block of electricity-fetching module, middle part including top and lower part
Adjustment module, the electricity-fetching module include the shell, controller and sensor of tubular, outer casing inner wall fitting installation shielding cylinder, screen
Cover a tin inner wall fitting installation support sleeve, controller be installed in support sleeve, the left end of the shell and right end install respectively left end cap,
Right end cap, right end cap are equipped with antenna, the outer shell outer wall fitting installation solar panel, which is characterized in that the connection
Module includes fixed block and spin balancing mechanism, and fixed block is fixed by two sets of bolts with shell, and the setting of spin balancing mechanism exists
On the downside of fixed block, sensor is installed by sensor stand in fixed block periphery, is fixedly mounted below the spin balancing mechanism more
Connecting rod is arranged on spherical clamp in a position-limited claw, setting spherical shape clamp in the space that multiple position-limited claws enclose, and the lower end of connecting rod is fixed
Installation and adjustment module, the adjustment module include the flexible connector for including inverted V-shaped, and the top of flexible connector and connecting rod are solid
Fixed, two sides of flexible connector horizontally form that angle is a, two sides are to be staggered to form angle in the longitudinal direction
B, the clamp system of flexible connector two settings of side lateral ends and drainage thread cooperation；It is had on the controller
AT89C51 single-chip microcontroller, support sleeve is interior to be fixedly installed battery module, wireless communication module, and battery module is controller power supply, battery
Module is electrically connected with solar panel, wireless communication module, sensor respectively with the I/O signal end communication connection of controller,
Wireless communication module is connect with antenna communication.
2. drainage thread according to claim 1 waves adjusting and monitoring device, which is characterized in that the spin balancing mechanism
Including upper mounted plate, sealing drum, lower movable plate, slide bar, shaft, sealing drum setting upper mounted plate and lower movable plate it
Between；Fixed board bottom face is provided with annular groove, and axis hole is provided among lower trap, and the lower end of the slide bar and lower movable plate are solid
Fixed connection, slide bar upper end are fastened in annular groove, and the shaft is mounted on upper mounted plate, and axis hole is protruded into the lower end of shaft
It is interior, bearing is provided between shaft and axis hole, the position periphery that shaft is located in sealing drum is arranged torsionspring, torsionspring
Both ends are fixedly connected with upper mounted plate, lower movable plate respectively.
3. drainage thread according to claim 1 waves adjusting and monitoring device, which is characterized in that the clamp system includes
Sealing bezel ring, is fixedly mounted in coaxial inner barrel and outer barrel, inner barrel and outer barrel one end, and other end installation clamps pipe, the clamping pipe one
End is fastened between inner tube and outer tube, and the other end is fixed with the rising bar of more coaxial arrangements, and more rising bars are arranged installation
It in clamping rings, is connected, is equipped between the inner barrel and outer barrel intermediate convex by helicitic texture between clamping rings and rising bar
Platform installs holddown spring between intermediate lands and clamping pipe.
4. a kind of drainage thread according to claim 1 waves adjusting and monitoring device, which is characterized in that on the controller
Equipped with data memory module, drainage thread of the data memory module for storage sensor to detect waves data.
5. a kind of drainage thread according to claim 1 waves adjusting and monitoring device, which is characterized in that the elastic connection
Two side angle a ranges of part are 130~160 °.
6. a kind of drainage thread according to claim 1 waves adjusting and monitoring device, which is characterized in that the elastic connection
Two side angle b ranges of part are 30~50 °.
7. a kind of drainage thread according to claim 1 waves on-Line Monitor Device, which is characterized in that set on the right side of the antenna
Baffle is set, baffle is mounted on right end cap.
8. a kind of drainage thread according to claim 1 waves on-Line Monitor Device, which is characterized in that on the inside of the support sleeve
Pressing plate is installed, pressing plate is bolted to connection with shell, fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448710.5A CN109557849A (en) | 2018-11-28 | 2018-11-28 | A kind of drainage thread waves adjusting and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448710.5A CN109557849A (en) | 2018-11-28 | 2018-11-28 | A kind of drainage thread waves adjusting and monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109557849A true CN109557849A (en) | 2019-04-02 |
Family
ID=65868092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811448710.5A Pending CN109557849A (en) | 2018-11-28 | 2018-11-28 | A kind of drainage thread waves adjusting and monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN109557849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994980A (en) * | 2019-04-17 | 2019-07-09 | 谢中淮 | Reverse damp type electromagnetism anti-dance device and its overhead transmission line |
| CN110011257A (en) * | 2019-04-17 | 2019-07-12 | 刘奉海 | A kind of torsion electromagnetic damping anti-dance device |
| CN112086733A (en) * | 2020-08-28 | 2020-12-15 | 成都星联芯通科技有限公司 | A self-adjusting leveling device |
| CN112650098A (en) * | 2020-11-26 | 2021-04-13 | 国网河北省电力有限公司武安市供电分公司 | Unmanned aerial vehicle flight monitoring electric wire netting construction system |
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| CN104466861A (en) * | 2013-09-22 | 2015-03-25 | 许昌四达电力设备有限公司 | Device for preventing power transmission line from swinging |
| CN106549350A (en) * | 2016-12-06 | 2017-03-29 | 国网山东省电力公司曹县供电公司 | The U-shaped attachment means of ultra-high-tension power transmission line auto-tensioning |
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| CN109994980A (en) * | 2019-04-17 | 2019-07-09 | 谢中淮 | Reverse damp type electromagnetism anti-dance device and its overhead transmission line |
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| CN112086733A (en) * | 2020-08-28 | 2020-12-15 | 成都星联芯通科技有限公司 | A self-adjusting leveling device |
| CN112650098A (en) * | 2020-11-26 | 2021-04-13 | 国网河北省电力有限公司武安市供电分公司 | Unmanned aerial vehicle flight monitoring electric wire netting construction system |
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