CN112150844A - Traffic light for emergency road - Google Patents

Traffic light for emergency road Download PDF

Info

Publication number
CN112150844A
CN112150844A CN202010879044.1A CN202010879044A CN112150844A CN 112150844 A CN112150844 A CN 112150844A CN 202010879044 A CN202010879044 A CN 202010879044A CN 112150844 A CN112150844 A CN 112150844A
Authority
CN
China
Prior art keywords
traffic light
seat
supporting
base
support
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.)
Pending
Application number
CN202010879044.1A
Other languages
Chinese (zh)
Inventor
薛程元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Daohe Information Technology Co ltd
Original Assignee
Yangzhou Daohe Information Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Daohe Information Technology Co ltd filed Critical Yangzhou Daohe Information Technology Co ltd
Priority to CN202010879044.1A priority Critical patent/CN112150844A/en
Publication of CN112150844A publication Critical patent/CN112150844A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • G08G1/0955Traffic lights transportable

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The invention relates to the technical field of traffic lights and discloses a traffic light for emergency roads, which comprises a movable base, wherein two movable pulleys are movably arranged on the left side and the right side of the bottom of the movable base, a fixed base is movably arranged on the top of the movable base, a supporting rod is fixedly connected to the top of the fixed base, a supporting column is movably arranged on the top of the supporting rod, a mounting base is fixedly arranged on the top of the supporting column, and two indicator lights are fixedly arranged on the front side, the rear side, the left side and the right side of the mounting base. This traffic light for emergency road, when rotating supporting legs and ground contact on the support arm, make things convenient for the worker to run through the earth bolt sister screw hole and with subaerial built-in fitting threaded connection, and then make the support arm obtain spacingly to make the support arm carry on spacingly to this traffic light for emergency road, avoid can causing the traffic light to remove and influence normal work because of uncertain factor.

Description

Traffic light for emergency road
Technical Field
The invention relates to the technical field of traffic lights, in particular to a traffic light for an emergency road.
Background
There are two kinds of traffic lights, which are usually signal lights composed of red, yellow and green (green is blue green) lights for directing traffic.
The application such as current traffic light has been very extensive, has simple structure convenient to use's advantage, to current emergency traffic light for road, because the traffic light at its top realizes connecting through the support column, and when removing, jolting of its bottom can the transmission motion give the traffic light, and then the traffic light is great can produce and rock and influence the stability of removal, lead to inconvenient removal, and current traffic light bottom all has the removal pulley, and then the traffic light is at the during operation, can cause the traffic light to remove and influence normal work because of uncertain factor, be difficult to satisfy the demand of society, so proposed an emergency traffic light for road and solved the problem in the aforesaid.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a traffic light for an emergency road, which has the advantages of improving the moving stability of the traffic light and the working stability of the traffic light, and solves the problems that the existing traffic light for the emergency road is large in size, the traffic light shakes and influences the moving stability to cause inconvenient movement, and the traffic light moves and influences normal work due to uncertain factors when the existing traffic light works because the traffic light at the top of the traffic light is connected through a support column and jolts at the bottom of the traffic light during moving.
(II) technical scheme
In order to achieve the purposes of improving the moving stability of the traffic light and improving the working stability of the traffic light, the invention provides the following technical scheme: the utility model provides an emergent traffic light for road, includes and removes the base, the equal movable mounting in bottom left and right sides of removing the base has the removal pulley that quantity is two, the top movable mounting who removes the base has the fixing base, the top fixedly connected with bracing piece of fixing base, the top movable mounting of bracing piece has the support column, the top fixed mounting of support column has the mount pad, the equal fixed mounting in four sides all around of mount pad has the pilot lamp that quantity is two, the top fixed mounting of mount pad has the supporting seat, the top fixed mounting of supporting seat has the photovoltaic board, the left and right sides of support column all rotates and is connected with the support arm, all rotate about the fixing base and be connected with the spacing telescopic link that rotates with the support arm and be connected, the inside fixed mounting who removes the base has the motor, the output shaft department fixedly connected with of motor runs through the top and the fixing base that remove the The lead screw that connects, the outside threaded connection of lead screw has the thread bush that is located the bracing piece inside, the equal fixedly connected with in the left and right sides of thread bush is located the inside stopper that bracing piece sliding connection, the equal fixed mounting in the interior roof left and right sides of support column have the spacing handle that extends to the bracing piece inside and with stopper fixed connection, the inside left side movable mounting who removes the base has the controller, the right side movable mounting who removes the base has the battery, the screw thread constant head tank has all been seted up to the inside left and right sides of support column.
Preferably, the outside of the movable pulley is provided with a brake pad rotationally connected with the movable pulley, the connection relationship between the top of the movable pulley and the movable base is rotationally connected, and the bottom of the fixed seat is provided with a first connecting flange in threaded connection with the movable base through a fixing bolt.
Preferably, the support column is sleeved outside the support rod and is in sliding connection with the support rod, sliding blocks in sliding connection with the support rod are arranged on the front side and the rear side of the inside of the support column, and sliding grooves in sliding connection with the sliding blocks are formed in the front side and the rear side of the support rod.
Preferably, the outside of mount pad is provided with the safety cover that is located the pilot lamp top, the bottom of photovoltaic board is provided with the bracket that is located the supporting seat top.
Preferably, two the opposite face of support arm all is provided with the first seat of rotating with support column fixed connection, two the opposite face of spacing telescopic link all is provided with rotates the seat, two with sliding seat fixed connection's second the looks abscission face of telescopic link all is provided with rotates the seat with support arm fixed connection's third.
Preferably, the telescopic rod comprises a sliding barrel connected with the fixed seat through a second rotating seat and a telescopic rod connected with the supporting arm through a third rotating seat.
Preferably, the left and right sides of motor all is provided with the second flange of being connected through set screw and removal base, the interior roof of bracing piece be provided with the lead screw outside and rather than rotate the connection bearing frame.
Preferably, the left and right sides of the supporting rod are provided with limiting grooves which are located outside the limiting blocks and are in sliding connection with the limiting blocks, and the left and right sides of the top of the supporting rod are provided with through holes which are located outside the limiting handles and are in sliding connection with the limiting handles.
Preferably, the front surface of the movable base is hinged with a box door located on the front side of the motor, the controller and the storage battery, the bottom of the supporting arm is provided with a supporting leg, a grounding threaded hole is formed in the supporting leg, and the supporting leg corresponds to the threaded positioning groove.
(III) advantageous effects
Compared with the prior art, the invention provides a traffic light for an emergency road, which has the following beneficial effects:
1. the emergency road traffic light is convenient for workers to start and then operate by moving the motor arranged on the base, the operated motor drives the screw rod to rotate in the supporting rod, the screw rod transmits motion to the threaded sleeve in threaded connection with the screw rod, the threaded sleeve is provided with a limiting block which slides with the limiting groove to obtain limiting, the threaded sleeve descends outside the screw rod, the descending threaded sleeve drives the limiting handle and enables the limiting handle to pull the supporting column, the pulled supporting column drives the mounting seat, the indicator light, the supporting seat and the photovoltaic panel to descend, the supporting column slides outside the supporting rod and moves to the bottom to be attached to the top of the fixing seat, when the workers move corresponding to the emergency road traffic light, the length of the supporting column connected with the indicator light is adjusted at the moment, and the movement of the moving base jolts and transmits the length to the indicator light, the shaking amount can be relatively reduced, so that the stability is improved, and the traffic light for the emergency road is prevented from being inconveniently moved.
2. This traffic light for emergent road, support arm through setting up on the support column, drive the lead screw and make it drive the thread bush when the motor, when the thread bush promoted spacing handle and promoted the support column and rise, be convenient for spacing telescopic link pulling support arm, by the support arm of pulling encircle the rotation on first rotation seat, when rotating supporting legs and the ground contact on the support arm, make things convenient for the worker to run through the earthing bolt sister screw hole and with subaerial built-in fitting threaded connection, and then make the support arm obtain spacingly, thereby make the support arm carry on spacingly to this traffic light for emergent road, avoid can causing the traffic light to remove and influence normal work because of uncertain factor.
Drawings
FIG. 1 is a schematic view of the post-positioning structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention before positioning;
FIG. 3 is a schematic view of the structure of the mobile base, the supporting rod and the supporting column of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.
In the figure: the photovoltaic power generation device comprises a movable base 1, a movable pulley 2, a fixed seat 3, a supporting rod 4, a supporting column 5, a mounting seat 6, an indicator light 7, a supporting seat 8, a photovoltaic panel 9, a supporting arm 10, a limiting telescopic rod 11, a motor 12, a lead screw 13, a threaded sleeve 14, a limiting block 15, a limiting handle 16, a controller 17, a storage battery 18 and a thread positioning groove 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a traffic light for emergency roads includes a movable base 1, two movable pulleys 2 are movably mounted on the left and right sides of the bottom of the movable base 1, a brake block rotatably connected to the movable pulleys 2 is disposed outside the movable pulleys 2, the top of the movable pulleys 2 is rotatably connected to the movable base 1, a fixed seat 3 is movably mounted on the top of the movable base 1, a first connecting flange screwed to the movable base 1 via a fixing bolt is disposed on the bottom of the fixed seat 3, a support rod 4 is fixedly connected to the top of the fixed seat 3, a support post 5 is movably mounted on the top of the support rod 4, the support post 5 is sleeved on the outside of the support rod 4 and slidably connected thereto, sliders slidably connected to the support rod 4 are disposed on the front and rear sides of the inside of the support post 5, and chutes slidably connected to the sliders are disposed on the front and rear sides of the support rod 4, the top of the supporting column 5 is fixedly provided with a mounting seat 6, the four sides of the mounting seat 6, the front, the back, the left and the right, are fixedly provided with two indicating lamps 7, the outside of the mounting seat 6 is provided with a protective cover positioned at the top of the indicating lamp 7, the top of the mounting seat 6 is fixedly provided with a supporting seat 8, the top of the supporting seat 8 is fixedly provided with a photovoltaic panel 9, the bottom of the photovoltaic panel 9 is provided with a bracket supporting column 5 positioned at the top of the supporting seat 8, the left and the right sides of the bracket supporting column 5 are rotatably connected with supporting arms 10, the opposite surfaces of the supporting arms 10 are respectively provided with a first rotating seat fixedly connected with the supporting column 5, the left and the right of the fixed seat 3 are rotatably connected with limiting telescopic rods 11 rotatably connected with the supporting arms 10, the opposite surfaces of the two limiting telescopic rods 11 are respectively provided with, the telescopic rod 11 comprises a sliding cylinder connected with the fixed seat 3 through a second rotating seat and a telescopic rod connected with the supporting arm 10 through a third rotating seat, a motor 12 is fixedly arranged inside the movable base 1, second connecting flanges connected with the movable base 1 through fixing screws are arranged on the left side and the right side of the motor 12, a lead screw 13 which penetrates through the top of the movable base 1 and the fixed seat 2, extends into the supporting rod 1 and is rotatably connected with the supporting rod 4 is fixedly connected at an output shaft of the motor 12, a bearing seat connected with the outer part of the lead screw 13 and the rotating shaft thereof is arranged on the inner top wall of the supporting rod 4, a thread sleeve 14 positioned inside the supporting rod 4 is in threaded connection with the outer part of the lead screw 13, limiting blocks 15 positioned inside the supporting rod 4 and in sliding connection with the supporting rod 4 are fixedly connected on the left side and the right side of the supporting rod 4, limiting grooves positioned outside the, the equal fixed mounting in interior roof left and right sides of support column 5 has the spacing handle 16 that extends to bracing piece 1 inside and with 15 fixed connection of stopper, the perforation that is located spacing handle 16 outside and rather than sliding connection is all seted up to the top left and right sides of bracing piece 4, the inside left side movable mounting who removes base 1 has controller 17, the right side movable mounting who removes base 1 has battery 18, the front surface that removes base 1 articulates there is the chamber door that is located motor 12, controller 17 and battery 18 front side, threaded positioning groove 19 has all been seted up to the inside left and right sides of support column 5, the bottom of support arm 10 is provided with the supporting legs, and the ground connection screw hole has been seted up to the inside of supporting legs, the supporting legs is corresponding.
In conclusion, the traffic light for emergency roads is convenient for an operator to start and operate the traffic light by moving the motor 12 arranged on the base 1, the operated motor 12 drives the screw rod 13 to rotate in the support rod 4, the screw rod transmits the motion to the threaded sleeve 14 in threaded connection with the screw rod, the threaded sleeve 14 is provided with a limiting block which slides with a limiting groove to limit the position, the threaded sleeve 14 descends outside the screw rod 13, the descending threaded sleeve 14 drives the limiting handle 16 and enables the limiting handle to pull the support column 5, the pulled support column 5 drives the mounting seat 6, the indicator light 7, the support seat 8 and the photovoltaic panel 9 to descend, the support column 5 slides outside the support rod 4 and moves to the bottom to be attached to the top of the fixing seat 3, when the operator moves corresponding to the traffic light for emergency roads, the length of the support column 5 connected with the indicator light 7 is adjusted, when the movement of the movable base 1 is bumpy and transmitted to the indicating lamp 7, the shaking amount is relatively reduced, the stability is improved, and the traffic lamp for the emergency road is prevented from being inconveniently moved.
And, through the support arm 10 that sets up on the support column 5, when motor 12 drives lead screw 13 and makes it drive thread bush 14, thread bush 14 promotes spacing handle 16 and promotes the support column 5 when ascending, be convenient for spacing telescopic link 11 pulling support arm 10, the support arm 10 that is promoted encircles on first rotation seat and rotates, when rotating the supporting legs on the support arm 10 and ground contact, make things convenient for the worker to run through the earth bolt sister screw hole and with subaerial built-in fitting threaded connection, and then make support arm 10 obtain spacingly, thereby make support arm 10 spacing to this emergent traffic light for road, avoid can causing the traffic light to remove and influence normal work because of uncertain factor.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides an emergent traffic light for road, includes removal base (1), its characterized in that: the movable support is characterized in that the left side and the right side of the bottom of the movable base (1) are respectively and movably provided with two movable pulleys (2), the top of the movable base (1) is movably provided with a fixed seat (3), the top of the fixed seat (3) is fixedly connected with a support rod (4), the top of the support rod (4) is movably provided with a support column (5), the top of the support column (5) is fixedly provided with a mounting seat (6), the front side, the rear side, the left side and the right side of the mounting seat (6) are respectively and fixedly provided with two indicator lamps (7), the top of the mounting seat (6) is fixedly provided with a support seat (8), the top of the support seat (8) is fixedly provided with a photovoltaic panel (9), the left side and the right side of the support column (5) are respectively and rotatably connected with a support arm (10), the left side and the, the automatic lifting device is characterized in that a motor (12) is fixedly mounted inside the movable base (1), a lead screw (13) which penetrates through the top of the movable base (1) and the fixing seat (2) and extends into the supporting rod (1) and is rotatably connected with the supporting rod (4) is fixedly connected to an output shaft of the motor (12), a thread sleeve (14) which is positioned inside the supporting rod (4) is connected to the outer portion of the lead screw (13) in a threaded manner, limit blocks (15) which are positioned inside the supporting rod (4) and are in sliding connection with the supporting rod (4) are fixedly connected to the left side and the right side of the threaded sleeve (14), limit handles (16) which extend into the supporting rod (1) and are fixedly connected with the limit blocks (15) are fixedly mounted to the left side and the right side of the supporting column (5), a controller (17) is movably mounted on the left side of the movable base (1), and a, the left side and the right side of the inside of the supporting column (5) are both provided with threaded positioning grooves (19).
2. An emergency road traffic light according to claim 1, wherein: the outside of removal pulley (2) is provided with rather than the brake block of rotating the connection, and removes the top of pulley (2) and remove the relation of connection of base (1) and be the rotation connection, the bottom of fixing base (3) is provided with the first flange through fixing bolt and removal base (1) threaded connection.
3. An emergency road traffic light according to claim 1, wherein: support column (5) cup joint in the outside of bracing piece (4) and rather than sliding connection, and both sides all are provided with the slider with bracing piece (4) sliding connection around the inside of support column (5), both sides all offer the spout with slider sliding connection around bracing piece (4).
4. An emergency road traffic light according to claim 1, wherein: the outside of mount pad (6) is provided with the safety cover that is located pilot lamp (7) top, the bottom of photovoltaic board (8) is provided with the bracket that is located supporting seat (8) top.
5. An emergency road traffic light according to claim 1, wherein: two the opposite face of support arm (10) all is provided with the first seat of rotating with support column (5) fixed connection, two the opposite face of spacing telescopic link (11) all is provided with the second with sliding seat (3) fixed connection and rotates the seat, two the phase separation face of telescopic link (11) all is provided with the third with support arm (10) fixed connection and rotates the seat.
6. An emergency road traffic light according to claim 5, wherein: the telescopic rod (11) comprises a sliding barrel connected with the fixed seat (3) through a second rotating seat and a telescopic rod connected with the supporting arm (10) through a third rotating seat.
7. An emergency road traffic light according to claim 1, wherein: the left and right sides of motor (12) all is provided with the second flange of being connected through set screw and removal base (1), the interior roof of bracing piece (4) is provided with and rotates rather than lead screw (13) outside and be connected the bearing frame.
8. An emergency road traffic light according to claim 1, wherein: the left and right sides of bracing piece (4) all offer be located stopper (15) outside and rather than sliding connection's spacing groove, the top left and right sides of bracing piece (4) all offer be located spacing handle (16) outside and rather than sliding connection's perforation.
9. An emergency road traffic light according to claim 1, wherein: the front surface of the movable base (1) is hinged with a box door located on the front side of the motor (12), the controller (17) and the storage battery (18), supporting legs are arranged at the bottom of the supporting arm (10), grounding threaded holes are formed in the supporting legs, and the supporting legs correspond to the threaded positioning grooves (19).
CN202010879044.1A 2020-08-27 2020-08-27 Traffic light for emergency road Pending CN112150844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010879044.1A CN112150844A (en) 2020-08-27 2020-08-27 Traffic light for emergency road

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010879044.1A CN112150844A (en) 2020-08-27 2020-08-27 Traffic light for emergency road

Publications (1)

Publication Number Publication Date
CN112150844A true CN112150844A (en) 2020-12-29

Family

ID=73887698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010879044.1A Pending CN112150844A (en) 2020-08-27 2020-08-27 Traffic light for emergency road

Country Status (1)

Country Link
CN (1) CN112150844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116524747A (en) * 2023-05-15 2023-08-01 扬州华威电子科技有限公司 Emergency traffic light

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270881Y (en) * 1996-07-19 1997-12-17 广州石井马务石岗永丰塑料厂 Flashing signal lamp
CN2397544Y (en) * 1999-12-17 2000-09-20 陈光和 Multifunctional roadblock warning lamp
CN108755483A (en) * 2018-04-12 2018-11-06 安徽正飞信息科技有限公司 A kind of fixing bracket for traffic lights
CN209842873U (en) * 2019-06-20 2019-12-24 德阳智航交通科技有限公司 LED signal lamp for traffic safety
CN110718080A (en) * 2018-07-12 2020-01-21 江苏鹏祥照明科技发展有限公司 Temporary emergency traffic light for road traffic
CN210507203U (en) * 2019-05-24 2020-05-12 四川慧方通达科技有限公司 Anti-toppling traffic sign mounting bracket

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270881Y (en) * 1996-07-19 1997-12-17 广州石井马务石岗永丰塑料厂 Flashing signal lamp
CN2397544Y (en) * 1999-12-17 2000-09-20 陈光和 Multifunctional roadblock warning lamp
CN108755483A (en) * 2018-04-12 2018-11-06 安徽正飞信息科技有限公司 A kind of fixing bracket for traffic lights
CN110718080A (en) * 2018-07-12 2020-01-21 江苏鹏祥照明科技发展有限公司 Temporary emergency traffic light for road traffic
CN210507203U (en) * 2019-05-24 2020-05-12 四川慧方通达科技有限公司 Anti-toppling traffic sign mounting bracket
CN209842873U (en) * 2019-06-20 2019-12-24 德阳智航交通科技有限公司 LED signal lamp for traffic safety

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116524747A (en) * 2023-05-15 2023-08-01 扬州华威电子科技有限公司 Emergency traffic light
CN116524747B (en) * 2023-05-15 2024-02-13 扬州华威电子科技有限公司 Emergency traffic light

Similar Documents

Publication Publication Date Title
CN209741704U (en) Warning sign is used in bridge construction
CN112150844A (en) Traffic light for emergency road
CN112960609A (en) Communication pole convenient to maintenance
CN215215560U (en) Early warning device for building engineering safety control
CN211450674U (en) Multifunctional street lamp pole
CN112628661A (en) Intelligent street lamp capable of automatically replacing bulb
CN112431131A (en) Multifunctional measuring equipment for road and bridge construction and use method
CN216046974U (en) Building lighting equipment
CN216007724U (en) Elevating gear is used in building engineering construction
CN213776916U (en) Multi-sensor video monitoring equipment based on cloud computing
CN213531785U (en) Auxiliary device for processing lamp post of lighting street lamp
CN111102520A (en) Street lamp pole for urban road lighting lamp
CN220709737U (en) Solar wireless voice flashing warning device for road junction
CN215491651U (en) Level gauge for railway engineering measurement
CN214123465U (en) Safe energy-conserving portable road construction warning sign
CN112186604A (en) Transformer maintenance platform with multiple installation modes
CN218678123U (en) Weak current case installing support device
CN220601429U (en) Novel street lamp support
CN210772039U (en) Equipment theftproof autoalarm light pole
CN220749764U (en) But automatic adjustment position's control
CN221858519U (en) Garden street lamp fixing device
CN219951756U (en) Multifunctional warning device
CN212478711U (en) Hook type anti-falling safety device mounted on top surface
CN217587728U (en) Avoid mounting structure for holographic waveguide lens that rocks
CN220565102U (en) Road and bridge construction warning device

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201229