CN110906247B - Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control - Google Patents
Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control Download PDFInfo
- Publication number
- CN110906247B CN110906247B CN201911103471.4A CN201911103471A CN110906247B CN 110906247 B CN110906247 B CN 110906247B CN 201911103471 A CN201911103471 A CN 201911103471A CN 110906247 B CN110906247 B CN 110906247B
- Authority
- CN
- China
- Prior art keywords
- anchor ear
- connecting rod
- hoop
- lamp
- firing pin
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
An overhead transmission line warning lamp and an installation connecting rod based on unmanned aerial vehicle control comprise a lamp box and a wire hoop, wherein the wire hoop comprises an upper hoop and a lower hoop which are C-shaped and hinged at one end; strong magnets matched with the upper anchor ear and the lower anchor ear are fixedly arranged at the other ends of the upper anchor ear and the lower anchor ear; the bottom of the lower hoop is fixedly provided with a lamp box; the top of the upper anchor ear is fixedly provided with a solar cell panel which provides electric energy for the warning lamp in the lamp box; one end of a connecting rod is fixedly arranged on the flight control carrier, and a through supporting hole and a firing pin hole are formed in the connecting rod; the lamp box is movably inserted in the supporting hole; an elastic trigger device for providing power for the upper anchor ear is arranged on the connecting rod at the bottom of the pin striking hole. This installation connecting rod can drive and the activity articulates the warning light by flying the accuse carrier to accessible remote control auto-triggering warning light's wire staple bolt locking function, its principle is simple, and the construction of being convenient for, and not influenced by the topography, need not artificial contact air wire, effectively reduced the risk of electrocuteeing.
Description
Technical Field
The invention relates to the technical field of electric power facilities, in particular to an overhead transmission line warning lamp and an installation connecting rod based on unmanned aerial vehicle control.
Background
At present, the construction in the corridor of the overhead transmission line is frequent, most lines are designed according to the original topographic environment, the margin to the ground distance is insufficient, the line-collision accident is easy to happen in the construction of large-scale machinery, and the installation of warning lamps on the wires is a common technical prevention measure. At present, a common solar warning lamp is arranged on a lead by utilizing a special insulating operating rod, and the lead is held tightly by utilizing a spring. The warning lamp has higher requirements on the terrain when being installed, if the requirement is lower than 4 meters, the warning lamp can be directly operated by using an insulating rod, but few overhead transmission lines with the low requirement exist; if the length of the wire is more than 4 meters, the insulating bucket arm vehicle needs to be used for operation, the terrain which can be unfolded by the insulating bucket arm vehicle needs to be arranged below the wire, and most construction sites do not have the condition. Meanwhile, live working has certain risks, the linkage device is arranged inside the special insulating operating rod and cannot be directly observed, the insulating property of the special insulating operating rod cannot be detected through routine inspection before conventional use, and the live working performance is high.
Through searching the published patents, the following patent documents most relevant to the technical scheme are found:
a distribution network night warning lamp (CN 209591014U) discloses a distribution network night warning lamp, which comprises a padlock, a controller, a sound amplifying head and a flashing lamp, wherein the padlock is arranged at the top end of the controller, the sound amplifying head is connected to the bottom surface of the controller, the flashing lamp is connected to the bottom surface of the sound amplifying head, the padlock is composed of a lock head and a lock base, and a light sensor and an obstacle sensor are arranged at the lower end of the arc side surface of the controller; this patent has avoided vehicle and navigating mate to not notice the warning light because of carelessness and lead to the electric power accident to take place, has solved simultaneously vehicle and boats and ships navigating mate can't judge whether vehicle and boats and ships are superelevation, and the very inconvenient problem of warning light installation and dismantlement.
Through the comparative analysis of the above patent publications, the applicant believes that the warning lamp of the above patent documents still needs to be installed manually, and the structure and function of the warning lamp are greatly different from those of the present application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an overhead transmission line warning lamp and an installation connecting rod based on an unmanned aerial vehicle, wherein the installation connecting rod can be driven by a flight control carrier and movably hitches the warning lamp, and can automatically trigger the wire hoop locking function of the warning lamp through remote control.
An overhead transmission line warning lamp comprises a lamp box and a wire hoop, wherein the wire hoop comprises an upper hoop and a lower hoop which are C-shaped and one end of the upper hoop and one end of the lower hoop are hinged; the other ends of the upper anchor ear and the lower anchor ear are fixedly provided with magnets which are matched and attracted; the bottom of the lower hoop is fixedly provided with a lamp box; the top of the upper hoop is fixedly provided with a solar cell panel which provides electric energy for the warning lamp in the lamp box.
Moreover, the circumferential inner walls of the upper anchor ear and the lower anchor ear are compounded and bonded with silica gel pads which are tightly pressed on the outer wall of the lead, and the side walls of the upper anchor ear and the lower anchor ear are fixedly provided with power lines; one end of the power line is connected with the solar cell panel, and the other end of the power line extends into the lamp box and supplies power for the warning lamp.
An unmanned aerial vehicle control-based mounting connecting rod of an overhead transmission line warning lamp is characterized in that one end of the connecting rod is fixedly mounted on a flight control carrier, and a through supporting hole and a firing pin hole are formed in the connecting rod; the lamp box is movably inserted in the supporting hole; an elastic trigger device for providing power for the upper anchor ear is arranged on the connecting rod at the bottom of the pin striking hole.
The elastic trigger device comprises a fixed box, a firing pin, an inserting piece and a steering engine, wherein the fixed box and the steering engine are fixedly arranged at the bottom of the connecting rod; the firing pin is arranged in the fixed box in a sliding manner, and the top of the fixed box is movably inserted with the inserting piece along the horizontal direction; the inserting piece is provided with an inserting piece hole which is communicated with the firing pin hole in an adjusting way, and one end of the inserting piece is fixedly connected with the output end of the steering engine through a rope; the middle part of the firing pin is provided with a limit ring, and the outer wall of the firing pin at the bottom of the limit ring is sleeved with a spring; the top of the spring is elastically supported on the bottom surface of the limiting ring, and the bottom of the spring is elastically supported on the inner wall of the bottom of the fixing box.
The invention has the advantages and technical effects that:
according to the overhead transmission line warning lamp, the upper hoop and the lower hoop which are hinged are used for hooping the wire, the upper hoop and the lower hoop are prevented from loosening through the magnet, the silica gel pads in the upper hoop and the lower hoop are used for conducting wire insulation, the connection resistance function of the hoops and the wire is improved, and the hoops are prevented from sliding along the wire under the action of external force such as wind power; the solar cell panel provides electric energy for the warning lamp in the lamp box, and the long-term night use function of the warning lamp is achieved.
The invention discloses an installation connecting rod based on unmanned aerial vehicle control of an overhead transmission line warning lamp, which can be mounted on a flight control carrier (an unmanned aerial vehicle and the like), wherein the flight control carrier sends the warning lamp to a lead position and automatically triggers the locking function of a hoop, and the installation connecting rod specifically comprises the following components: 1. the lamp box and the lower anchor ear are movably supported through the support hole and the outer wall of the connecting rod at the top of the support hole (at the moment, the wire anchor ear is in an open state); 2. the steering engine is used for providing trigger power for the inserting sheet, when the inserting sheet hole in the inserting sheet is communicated with the firing pin hole, the firing pin is driven by the spring and upwards penetrates through the inserting sheet hole and the firing pin hole in sequence, and finally impacts the solar cell panel on the top surface of the upper hoop to provide initial power from an opening state to a holding state for the upper hoop.
The warning lamp for the overhead transmission line and the mounting connecting rod based on unmanned aerial vehicle control mainly have the following two advantages: 1. when the warning lamp is installed, the terrain environment below the lead can be ignored, the installation range of the warning lamp is expanded, the installation difficulty is reduced, and the installation efficiency is improved; 2, reducing or eliminating the human body brought by the live working; the warning lamp and the installation connecting rod thereof have the advantages of light structure, simple principle and convenience in construction, and are the overhead transmission line warning lamp with higher creativity and the installation connecting rod thereof.
Drawings
FIG. 1 is a front view of the present invention (partially cut away, with the wire clamp open);
FIG. 2 is a front view of the warning light of the present invention (with the wire hoop locked);
FIG. 3 is a bottom view of the connecting rod of the present invention;
in the figure: 1-lower hoop; 2, installing a hoop; 3-a connecting rod; 4-a steering engine; 5-a rope; 6-collision pin hole; 7-fixing the box; 8-a spring; 9-a firing pin; 10-a spacing ring; 11-an insert sheet; 12-a tab hole; 13-a light box; 14-a magnet; 15-solar panel; 16-silica gel pad; 17-a power line; 18-a hinge; 19-a lithium battery; 20-an LED lamp; 21-a control panel; 22-a photodiode; 23-support hole.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
An overhead transmission line warning lamp comprises a lamp box 13 and a wire hoop, wherein the wire hoop comprises an upper hoop 2 and a lower hoop 1 which are C-shaped and one end of the upper hoop is hinged; the other ends of the upper anchor ear and the lower anchor ear are fixedly provided with magnets 14 which are matched and attracted; the bottom of the lower hoop is fixedly provided with a lamp box; the top of the upper hoop is fixedly provided with a solar cell panel 15 which provides electric energy for the warning lamp in the lamp box.
Moreover, the circumferential inner walls of the upper anchor ear and the lower anchor ear are all compounded and bonded with silica gel pads 16 which are tightly pressed on the outer wall of the lead, and the side walls of the upper anchor ear and the lower anchor ear are all fixedly provided with power lines 17; one end of the power line is connected with the solar cell panel, and the other end of the power line extends into the lamp box and supplies power for the warning lamp.
An unmanned aerial vehicle control-based mounting connecting rod of an overhead transmission line warning lamp is characterized in that one end of a connecting rod 3 is fixedly mounted on a flight control carrier, and a through supporting hole 23 and a firing pin hole 6 are formed in the connecting rod; the lamp box is movably inserted in the supporting hole; an elastic trigger device for providing power for the upper anchor ear is arranged on the connecting rod at the bottom of the pin striking hole.
Moreover, the elastic trigger device comprises a fixed box 7, a firing pin 9, an inserting piece 11 and a steering engine 4, wherein the fixed box and the steering engine are fixedly arranged at the bottom of the connecting rod; the firing pin is arranged in the fixed box in a sliding manner, and the top of the fixed box is movably inserted with the inserting piece along the horizontal direction; the inserting piece is provided with an inserting piece hole 12 which is communicated with the firing pin hole in an adjusting way, and one end of the inserting piece is fixedly connected with the output end of the steering engine through a rope 5; the middle part of the firing pin is provided with a limit ring 10, and the outer wall of the firing pin at the bottom of the limit ring is sleeved with a spring 8; the top of the spring is elastically supported on the bottom surface of the limiting ring, and the bottom of the spring is elastically supported on the inner wall of the bottom of the fixing box.
In addition, according to the invention, a control panel 21 is preferably arranged in the lamp box, and the control panel is respectively connected with a lithium battery 19, a photosensitive diode 22 and an LED lamp 20, wherein the lithium battery is connected with the solar cell panel through a power line, and the control panel, the lithium battery, the photosensitive diode, the LED lamp and the solar cell panel are all mature products in the prior art.
In addition, preferably, hinges 18 are fixedly arranged on the circumferential outer walls of one ends of the upper anchor ear and the lower anchor ear to realize hinged connection of the upper anchor ear and one end of the lower anchor ear.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the invention discloses an overhead transmission line warning lamp and an installation connecting rod based on unmanned aerial vehicle control. Unlike the conventional solar warning light, the solar panel of the warning light is separated from the light body.
The upper anchor ear and the lower anchor ear jointly form a wire anchor ear of the overhead transmission line, and the wire is held by combining the silica gel pad.
The magnets can adopt neodymium iron boron magnets, the magnets have extremely high magnetic force at a close distance, and can be automatically meshed and locked at the close distance, so that the free ends of the upper anchor ear and the lower anchor ear are tightly attached, and the circumferential inner walls of the upper anchor ear and the lower anchor ear tightly hold the wires.
Under the state of waiting to install, the wire staple bolt is two half formula structures, connects through hinge, can freely open and shut the activity.
During installation, a flight control carrier such as an unmanned aerial vehicle carries a connecting rod, and a warning lamp (shown in figure 1) is movably hung on the connecting rod, so that the flight position and the attitude of the unmanned aerial vehicle are remotely controlled, and the starting and stopping of a steering engine are remotely controlled; under the state of waiting to install, warning light two halves are opened, and lie flat on the support. The striker spring is charged with energy and is clamped by the insert. The striker is now armed.
After the unmanned aerial vehicle takes off the warning light, the unmanned aerial vehicle flies to the position near the wire in a remote control mode until the wire is placed in the lower hoop of the warning light, the steering engine is started at the moment to drive the inserting piece with the inserting piece hole to penetrate through the fixing box and slide, when the inserting piece hole is communicated with the firing pin hole, the firing pin is popped out, and the upper hoop of the warning light is popped up by the firing pin hole which upwards penetrates through the connecting rod. Go up the staple bolt and hold the wire under hinge control, go up the staple bolt and be close to when certain distance with lower staple bolt, the both sides magnet takes place the interact, attracts mutually, grips the wire. The warning lamp is hung on the lead.
And finally, controlling the height of the unmanned aerial vehicle to gradually reduce, so that the lamp box is slowly separated from the supporting hole, and completing the whole installation construction of one warning lamp.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (2)
1. The utility model provides an overhead transmission line warning light which characterized in that: the warning lamp comprises a lamp box and a wire hoop, wherein the wire hoop comprises a C-shaped upper hoop and a lower hoop, and one end of the C-shaped upper hoop and one end of the lower hoop are hinged; the other ends of the upper anchor ear and the lower anchor ear are fixedly provided with magnets which are matched and attracted; the bottom of the lower hoop is fixedly provided with a lamp box; the top of the upper anchor ear is fixedly provided with a solar cell panel which provides electric energy for the warning lamp in the lamp box; one end of a connecting rod controlled by the unmanned aerial vehicle is fixedly arranged on the unmanned aerial vehicle, and a through supporting hole and a firing pin hole are formed in the connecting rod; the lamp box is movably inserted in the supporting hole; an elastic trigger device for providing power for the upper anchor ear is arranged on the connecting rod at the bottom of the pin hole; the elastic trigger device comprises a fixed box, a firing pin, an inserting piece and a steering engine, wherein the fixed box and the steering engine are fixedly arranged at the bottom of the connecting rod; the firing pin is slidably arranged in the fixed box, and the top of the fixed box is movably inserted with the inserting piece along the horizontal direction; the inserting piece is provided with an inserting piece hole which is communicated with the firing pin hole in an adjusting way, and one end of the inserting piece is fixedly connected with the output end of the steering engine through a rope; the middle part of the firing pin is provided with a limit ring, and the outer wall of the firing pin at the bottom of the limit ring is sleeved with a spring; the top of the spring is elastically supported on the bottom surface of the limiting ring, and the bottom of the spring is elastically supported on the inner wall of the bottom of the fixing box.
2. An overhead transmission line warning light according to claim 1, characterized in that: the circumferential inner walls of the upper anchor ear and the lower anchor ear are compounded and bonded with silica gel pads which are tightly pressed on the outer wall of the lead, and the side walls of the upper anchor ear and the lower anchor ear are fixedly provided with power lines; one end of the power line is connected with the solar cell panel, and the other end of the power line extends into the lamp box and supplies power for the warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103471.4A CN110906247B (en) | 2019-11-13 | 2019-11-13 | Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103471.4A CN110906247B (en) | 2019-11-13 | 2019-11-13 | Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906247A CN110906247A (en) | 2020-03-24 |
| CN110906247B true CN110906247B (en) | 2022-01-14 |
Family
ID=69817322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911103471.4A Active CN110906247B (en) | 2019-11-13 | 2019-11-13 | Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110906247B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828939A (en) * | 2020-06-17 | 2020-10-27 | 龙腾照明集团有限公司 | Pole is synthesized to wisdom suitable for construction of wisdom city node |
| IT202100000632A1 (en) * | 2021-01-14 | 2022-07-14 | Up Caeli Via S R L | CARD FOR SIGNALING THE PRESENCE OF LINEAR OBSTACLES |
| CN113193515B (en) * | 2021-04-16 | 2022-12-02 | 国网山东省电力公司淄博供电公司 | Overhead power transmission and distribution line warning lamp and installation method thereof |
| CN113538851B (en) * | 2021-09-15 | 2021-12-10 | 天津滨电电力工程有限公司 | Wire warning light based on unmanned aerial vehicle installation |
| CN114863639B (en) * | 2022-05-28 | 2023-11-10 | 国网山东省电力公司沂南县供电公司 | High-voltage line weighs down alarm based on unmanned aerial vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658559Y (en) * | 2003-10-10 | 2004-11-24 | 冯健传 | Intelligent alarm light of quickly fixed |
| CN2814533Y (en) * | 2005-07-20 | 2006-09-06 | 蔡永魁 | Multifunction warning lamp |
| KR100923067B1 (en) * | 2009-02-13 | 2009-10-22 | 대원전기 주식회사 | Fixing member for utility pole underbracing having reverse tightening structure and method for constructing utility pole using the same |
| WO2016140985A1 (en) * | 2015-03-02 | 2016-09-09 | Izak Van Cruyningen | Flight planning for unmanned aerial tower inspection |
| CN107834479A (en) * | 2017-11-22 | 2018-03-23 | 云南电网有限责任公司带电作业分公司 | A kind of 10kV wire clamps of self-locking insulating bar method livewire work overlap joint drainage thread |
| CN207947555U (en) * | 2018-02-23 | 2018-10-09 | 山东超方电力工程有限公司 | Power transmission line warning lamp-mounting device based on unmanned plane |
| CN209591014U (en) * | 2019-03-21 | 2019-11-05 | 闽江学院 | A kind of power distribution network warning at night lamp |
-
2019
- 2019-11-13 CN CN201911103471.4A patent/CN110906247B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658559Y (en) * | 2003-10-10 | 2004-11-24 | 冯健传 | Intelligent alarm light of quickly fixed |
| CN2814533Y (en) * | 2005-07-20 | 2006-09-06 | 蔡永魁 | Multifunction warning lamp |
| KR100923067B1 (en) * | 2009-02-13 | 2009-10-22 | 대원전기 주식회사 | Fixing member for utility pole underbracing having reverse tightening structure and method for constructing utility pole using the same |
| WO2016140985A1 (en) * | 2015-03-02 | 2016-09-09 | Izak Van Cruyningen | Flight planning for unmanned aerial tower inspection |
| CN107834479A (en) * | 2017-11-22 | 2018-03-23 | 云南电网有限责任公司带电作业分公司 | A kind of 10kV wire clamps of self-locking insulating bar method livewire work overlap joint drainage thread |
| CN207947555U (en) * | 2018-02-23 | 2018-10-09 | 山东超方电力工程有限公司 | Power transmission line warning lamp-mounting device based on unmanned plane |
| CN209591014U (en) * | 2019-03-21 | 2019-11-05 | 闽江学院 | A kind of power distribution network warning at night lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110906247A (en) | 2020-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110906247B (en) | Overhead transmission line warning light and installation connecting rod based on unmanned aerial vehicle control | |
| CN102916737B (en) | Releasing type radio relay machine | |
| CN202302770U (en) | Box-type LED (Light-emitting Diode) emergency lamp | |
| CN117087465A (en) | Automatic new energy charging pile and use method | |
| CN203520573U (en) | High-voltage transmission line aviation warning ball | |
| CN205624033U (en) | Multi -functional outdoor equipment | |
| CN112075412A (en) | Self-powered ultrasonic bird-repelling device on high-voltage line | |
| CN205385820U (en) | Solar energy power supply ultrasonic wave bird repellent device | |
| CN211952603U (en) | Prevent street lamp of strong wind damage | |
| CN211407430U (en) | Bird repellent device for power equipment | |
| US10383326B2 (en) | Power line protection device | |
| CN113538851B (en) | Wire warning light based on unmanned aerial vehicle installation | |
| CN220156090U (en) | Unmanned aerial vehicle auxiliary grounding wire detaching and hanging device | |
| CN208264131U (en) | A kind of clamshell automobile navigation instrument | |
| CN112715530A (en) | Bird repelling device | |
| CN214041779U (en) | Automatic launching device of weather sonde | |
| CN210219581U (en) | Solar medium-intensity aviation obstruction beacon | |
| CN110745069A (en) | Conveniently-installed lifting triangular warning device | |
| CN218777683U (en) | Bird-repelling unmanned aerial vehicle | |
| CN117080938A (en) | Power transmission and distribution line warning lamp hanging device and hanging method | |
| CN217135030U (en) | Bird repeller mounting device | |
| CN206031196U (en) | Car obstacle lamp | |
| CN212738519U (en) | Device for automatically starting search and rescue signal after unmanned aerial vehicle is out of control | |
| CN212125160U (en) | Indicating device for rail transit | |
| CN219738272U (en) | Earthquake early warning big horn |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |