CN107895499A - A kind of wisdom traffic device - Google Patents
A kind of wisdom traffic device Download PDFInfo
- Publication number
- CN107895499A CN107895499A CN201711290164.2A CN201711290164A CN107895499A CN 107895499 A CN107895499 A CN 107895499A CN 201711290164 A CN201711290164 A CN 201711290164A CN 107895499 A CN107895499 A CN 107895499A
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- China
- Prior art keywords
- fixedly connected
- housing
- motor
- fixed pulley
- gear
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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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
- G08G1/0955—Traffic lights transportable
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of wisdom traffic device, including housing, the upper and lower surface of the inner walls is fixedly connected with the top of ratch and bottom respectively, the ratch is meshed with gear, the back side of the gear is fixedly connected with the positive one end of drive device, and the right flank of the drive device is fixedly connected with the left surface of sliding block.The wisdom traffic device, by setting control panel, motor, electric pushrod, gear, ratch, first fixed pulley, second fixed pulley, rotating shaft and bearing, control electric pushrod, which shrinks, causes the second fixed pulley to move up, so that move upwardly so that the left side of connecting plate drives the first fixed pulley to move down on the right side of connecting plate, so that when signal lamp when not in use will not it is exposed outside, so as to be destroyed by external factor, so as to be caused damage to traffic department, and the commander to traffic will not be delayed, and signal lamp does not need traffic police to carry when in use, so as to save the time of traffic police and muscle power.
Description
Technical field
The present invention relates to technical field of transportation, specially a kind of wisdom traffic device.
Background technology
Traffic refers to people that are all through instruments such as train, automobile, motorcycle, steamer and aircrafts, or only leaning on manpower to carry out
Stream, the transport that exchanges of passenger flow and flow of goods, but extensive interpretation also comprising postal delivery and telecommunications two in terms of, the is belonged in national economy
Three industries.The modern lexical or textual analysis of the word is taken from Japanese lexical or textual analysis.
Traffic lights can not be lacked in shaped traffic device, present traffic lights sometimes can because of power failure and
Ineffective, so as to need temporary signal lamp to direct traffic, but present temporary signal lamp is not easy to transport when transport
It is defeated, directed traffic so as to need worker that temporary signal lamp is transported among road, therefore time and the muscle power of worker are wasted, and
Present signal lamp be all it is exposed therefore be easy to be damaged by external factor outside, so as to cause loss to traffic department,
It may delay directing traffic to cause.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of wisdom traffic device, solves present temporary signal
Lamp is not easy to transport when transport, is directed traffic so as to need traffic police that temporary signal lamp is transported among road, therefore wastes
The time of traffic police and muscle power, and present signal lamp be all it is exposed therefore be easy to be damaged by external factor outside, so as to giving
Traffic department causes loss, it is also possible to causes the problem of delaying to directing traffic.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of wisdom traffic device, including housing, it is described
The upper and lower surface of inner walls is fixedly connected with the top of ratch and bottom respectively, and the ratch is meshed with gear,
The back side of the gear is fixedly connected with the positive one end of drive device, the right flank of the drive device and the left surface of sliding block
Be fixedly connected, the sliding block is arranged in the chute that support column left surface opens up, the top and bottom of the support column respectively with
The upper and lower surface of inner walls is fixedly connected, and the lower surface of the drive device is fixedly connected with fix bar, described solid
The bottom of fixed pole is fixedly connected with the top of expansion link, and the bottom of the expansion link is fixedly connected with the lower surface of inner walls,
The upper surface of the drive device is fixedly connected with support bar, and the top of the support bar is fixedly connected with signal lamp, the branch
Strut is located in the first through hole that housing upper surface opens up, and the lower surface of the inner walls is fixedly connected with head rod,
The top of the head rod is fixedly connected with rotating shaft, and the outer surface of the rotating shaft is socketed with bearing, the upper table of the bearing
Face is fixedly connected with the lower surface of connecting plate, and the right side of the connecting plate lower surface is fixedly connected with the top of the second fixed pulley,
The bottom of second fixed pulley is fixedly connected with the top of the second connecting rod, the bottom of second connecting rod and supporting plate
Upper surface is fixedly connected, and the upper surface of the supporting plate is fixedly connected by electric pushrod with the lower surface of housing, and described second
Connecting rod is located in the second through hole that housing lower surface opens up, the left side of the connecting plate lower surface and the top of the first fixed pulley
Overlap joint, the bottom of first fixed pulley are fixedly connected with the top of carriage, and the carriage is connected under housing
Surface, the outer surface of the carriage are socketed with spring and block, the top and bottom of the spring respectively with block
Surface is fixedly connected with the upper surface of sliding sleeve, and the bottom of the carriage is fixedly connected with wheel.
Preferably, the drive device includes motor, and the output shaft of the motor is fixedly connected with the back side of gear, described
The right flank of motor body is fixedly connected with fixed block, and the right flank of the fixed block is fixedly connected with the left surface of sliding block, institute
State the upper surface of motor body to be fixedly connected with the bottom of support bar, the lower surface of the motor body and the top of fix bar are consolidated
Fixed connection.
Preferably, the carriage includes sliding sleeve, and the sliding sleeve is connected to the lower surface of housing, is socketed in the sliding sleeve
Have a slide bar, the outer surface of the slide bar is socketed with block and spring, the top and bottom of the slide bar respectively with the first fixed pulley
Bottom be fixedly connected with the top of wheel.
Preferably, the quantity of the wheel is four, and four wheels are separately positioned at the corner of housing lower surface.
Preferably, the upper surface of the inner walls is fixedly connected with battery, and the upper surface of the housing is fixedly connected
There is control panel.
Preferably, the output end of the battery electrically connects with the input of control panel, the output of the control panel
The input respectively with motor and electric pushrod is held to electrically connect.
(3) beneficial effect
The invention provides a kind of wisdom traffic device, possesses following beneficial effect：
1st, the wisdom traffic device, by set control panel, motor, electric pushrod, gear, ratch, the first fixed pulley,
Second fixed pulley, rotating shaft and bearing, control electric pushrod, which shrinks, causes the second fixed pulley to move up so that the right side of connecting plate
Move upwardly so that the left side of connecting plate drives the first fixed pulley to move down, so that slide bar band motor car wheel moves down,
So that the bottom of wheel overlaps with road surface, then traffic police pushes to housing among road, when signal lamp need not be used, control
Motor, which works, causes gear rotation so that gear drive motor moves down, so that support bar drives signal lamp to moving down
It is dynamic to be contracted to enclosure interior so that when signal lamp when not in use will not it is exposed outside, so as to be destroyed by external factor, so as to
It will not be caused damage to traffic department, and the commander to traffic will not be delayed, and signal lamp does not need traffic police to carry when in use,
So as to save the time of traffic police and muscle power.
2nd, the wisdom traffic device, by setting spring and block, so that when the second fixed pulley no longer pushes connecting plate,
Spring, which can extend, drives block to move up so that block band moving slide-bar moves up so that wheel can move up not
Overlapped again with ground, so that housing will not be moved at will.
3rd, wisdom traffic device, by setting sliding block and chute, so that when gear rotates drive motor to moving down
When dynamic, motor driven sliding block is moved in chute so that motor will not be rocked in movement and more stablized so that gear is revolving
It will not rock and can be meshed all the time with ratch when turning, and the present invention is compact-sized, it is reasonable in design, it is practical.
Brief description of the drawings
Fig. 1 is the cross-sectional view that the present invention faces；
Fig. 2 is the structural representation that the present invention faces.
In figure：1 spring, 2 head rods, 3 blocks, 4 first fixed pulleys, 5 rotating shafts, 6 bearings, 7 second fixed pulleys, 8 store
Battery, 9 ratch, 10 gears, 11 first through hole, 12 signal lamps, 13 support bars, 14 drive devices, 141 motors, 142 fixed blocks,
15 control panels, 16 sliding blocks, 17 chutes, 18 support columns, 19 fix bars, 20 expansion links, 21 second through holes, 22 second connecting rods,
23 supporting plates, 24 electric pushrods, 25 wheels, 26 carriages, 261 slide bars, 262 sliding sleeves, 27 housings, 28 connecting plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in Figure 1-2, the present invention provides a kind of technical scheme：A kind of wisdom traffic device, including housing 27, housing 27
The upper surface of inwall is fixedly connected with battery 8, by setting battery 8, so that when the device is in no external power supply
In the case of, battery 8 can be that motor 141 and electric pushrod 24 are powered, and the upper surface of housing 27 is fixedly connected with chain of command
Plate 15, by setting control panel 15, so that traffic police controlled motor 141 and electronic can be pushed away respectively by control panel 15
Bar 24 is operated, and the output end of battery 8 electrically connects with the input of control panel 15, the output end difference of control panel 15
Electrically connected with the input of motor 141 and electric pushrod 24, the upper and lower surface of the inwall of housing 27 top with ratch 9 respectively
End is fixedly connected with bottom, and ratch 9 is meshed with gear 10, by setting ratch 9 and gear 10, so that gear 10 rotates
When can be meshed with ratch 9, because ratch 9 is fixed so that gear 10 can be along on the drive motor 141 of ratch 9
Lower movement, the back side of gear 10 are fixedly connected with 14 positive one end of drive device, and drive device 14 includes motor 141, motor
141 output shaft is fixedly connected with the back side of gear 10, and the right flank of the fuselage of motor 141 is fixedly connected with fixed block 142, passes through
Fixed block 142 is set, so as to which when motor 141, fuselage will not rotate and more stable at work, the right flank of fixed block 142 with
The left surface of sliding block 16 is fixedly connected, and the upper surface of the fuselage of motor 141 is fixedly connected with the bottom of support bar 13, the machine of motor 141
The lower surface of body is fixedly connected with the top of fix bar 19, and the right flank of drive device 14 is fixed with the left surface of sliding block 16 to be connected
Connect, sliding block 16 is arranged in the chute 17 that the left surface of support column 18 opens up, by setting sliding block 16 and chute 17, so that working as
When the rotation drive motor 141 of gear 10 moves down, motor 141 moves with movable slider 16 in chute 17 so that motor 141 exists
It will not be rocked when mobile and more stable so that gear 10 will not be rocked and can be meshed all the time with ratch 9 when rotated, branch
Upper and lower surface of the top and bottom of dagger 18 respectively with the inwall of housing 27 is fixedly connected, the lower surface of drive device 14
Fix bar 19 is fixedly connected with, the bottom of fix bar 19 is fixedly connected with the top of expansion link 20, the bottom of expansion link 20 and shell
The lower surface of the inwall of body 27 is fixedly connected, by setting fix bar 19 and expansion link 20, so that motor 141 is moving up and down
Shi Buhui is rocked and more stablized, and the upper surface of drive device 14 is fixedly connected with support bar 13, by setting support bar 13, from
And signal lamp 12 is not rocked when moving up and down and is more stablized, the top of support bar 13 is fixedly connected with signal lamp
12, support bar 13 is located in the first through hole 11 that the upper surface of housing 27 opens up, by setting first through hole 11, so that support
Bar 13 can be moved up and down normally, and signal lamp 12 can also pass in and out housing 27 by first through hole 11, under the inwall of housing 27
Surface is fixedly connected with head rod 2, by setting head rod 2 so that rotating shaft 5 will not rock at work and
More stable, the top of head rod 2 is fixedly connected with rotating shaft 5, and the outer surface of rotating shaft 5 is socketed with bearing 6, is turned by setting
Axle 5 and bearing 6 so that connecting plate 28 be able to will not rock and more stable with left rotation and right rotation and when rotated, bearing 6 it is upper
Surface is fixedly connected with the lower surface of connecting plate 28, and the top of the right side of the lower surface of connecting plate 28 and the second fixed pulley 7, which is fixed, to be connected
Connect, by setting the second fixed pulley 7, so as to which connecting plate 28 can be pushed upwards when the second fixed pulley 7 moves up so that even
Fishplate bar 28 pushes downwards slide bar 261, and the bottom of the second fixed pulley 7 is fixedly connected with the top of the second connecting rod 22, passes through setting
Second connecting rod 22, so that supporting plate 23 can drive the second connecting rod 22 to move up and down when moving up and down, so that
Second connecting rod 22 can drive the second fixed pulley 7 to move up and down, the bottom of the second connecting rod 22 and the upper surface of supporting plate 23
It is fixedly connected, by setting supporting plate 23, so that supporting plate 23 declines can support housing 27 when being overlapped with ground, makes
Obtaining housing 27 will not at will be moved, and the upper surface of supporting plate 23 is fixedly connected by electric pushrod 24 with the lower surface of housing 27,
By setting electric pushrod 24, so that can be driven when electric pushrod 24 works on the fixed pulley 7 of supporting plate 23 and second
Lower movement, the second connecting rod 22 are located in the second through hole 21 that the lower surface of housing 27 opens up, the left side of the lower surface of connecting plate 28 with
The top overlap joint of first fixed pulley 4, by setting the first fixed pulley 4, so that the left side of connecting plate 28 can push up when declining
Dynamic first fixed pulley 4 declines, so that slide bar 261 can decline and will not fracture, the bottom of the first fixed pulley 4 fills with sliding
Put 26 top to be fixedly connected, carriage 26 includes sliding sleeve 262, by setting sliding sleeve 262, so that sliding sleeve is about 262
It will not be rocked when mobile and more convenient, sliding sleeve 262 is connected to the lower surface of housing 27, and slide bar 261 is socketed with sliding sleeve 262,
The outer surface of slide bar 261 is socketed with block 3 and spring 1, by setting spring 1 and block 3, so as to work as the second fixed pulley 7 no longer
When pushing connecting plate 28, spring 1, which can extend, drives block 3 to move up so that block 3 moves up with moving slide-bar 261, makes
Wheel 25 can be moved up and no longer overlapped with ground, the top and bottom of slide bar 261 bottom with the first fixed pulley 4 respectively
It is fixedly connected with the top of wheel 25, carriage 26 is connected to the lower surface of housing 27, the outer surface socket of carriage 26
There are spring 1 and block 3, the top and bottom of spring 1 are fixedly connected with the lower surface of block 3 and the upper surface of sliding sleeve 262 respectively,
The bottom of carriage 26 is fixedly connected with wheel 25, by setting wheel 25, so as to facilitate traffic police's mobile shell 27 so that
Traffic police is not needed to carry housing 27 manually, so as to save the time of traffic police and muscle power, the quantity of wheel 25 is four, and four
Wheel 25 is separately positioned at the corner of the lower surface of housing 27.
In use, worker controls electric pushrod 24 to shrink by control panel 15 so that supporting plate 23 drives the second connection
Bar 22 moves up so that the second connecting rod 22 drives the second fixed pulley 7 to move up so that the right side of connecting plate 28 is to moving up
The dynamic left side for causing connecting plate 28 drives the first fixed pulley 4 to move down so that slide bar 261 moves down with motor car wheel 25, makes
The bottom and road surface for obtaining wheel 25 overlap, and then traffic police pushes to housing 27 among tunnel, when signal lamp 12 need not be used,
The output shaft rotating band moving gear 10 of controlled motor 141 rotates so that gear 10 engages with ratch 9 so that gear 10 drives electricity
Machine 141 moves down so that support bar 13 drives signal lamp 12 to move down and is contracted to inside housing 27, when housing 27 is moved to
The elongation of electric pushrod 24 is controlled to drive the second connecting rod 22 to decline during destination so that the second fixed pulley 7 declines the no longer company of pushing
Fishplate bar 28, while the elongation of spring 1 drives block 3 to move up so that block 3 moves up with moving slide-bar 261 so that wheel 25
Move up and no longer overlapped with ground so that housing 27 is supported immovable.
It can to sum up obtain, 1, the wisdom traffic device, by setting control panel 15, motor 141, electric pushrod 24, gear
10th, ratch 9, the first fixed pulley 4, the second fixed pulley 7, rotating shaft 5 and bearing 6, control electric pushrod 24, which shrinks, make it that second is fixed sliding
Wheel 7 moves up so that the right side of connecting plate 28 moves upwardly so that the left side of connecting plate 28 drives the first fixed pulley 4 to moving down
It is dynamic, so that slide bar 261 moves down with motor car wheel 25 so that the bottom of wheel 25 overlaps with road surface, and then traffic police is by shell
Body 27 is pushed among road, and when that need not use signal lamp 12, controlled motor 141, which works, causes gear 10 to rotate so that tooth
Take turns 10 drive motors 141 to move down, be contracted to so that support bar 13 drives signal lamp 12 to move down inside housing 27,
So that when signal lamp 12 when not in use will not it is exposed outside, so as to will not be destroyed by external factor, so as to which traffic department will not be given
Cause damage, and the commander to traffic will not be delayed, and signal lamp 12 does not need traffic police to carry when in use, is handed over so as to save
Alert time and muscle power.
2nd, wisdom traffic device, by setting spring 1 and block 3, so as to no longer push connecting plate when the second fixed pulley 7
When 28, spring 1, which can extend, drives block 3 to move up so that block 3 moves up with moving slide-bar 261 so that wheel 25 can
No longer overlapped with moving up with ground, so that housing 27 will not be moved at will.
3rd, wisdom traffic device, by setting sliding block 16 and chute 17, so that when gear 10 rotates drive motor
141 when being moved down, and motor 141 moves with movable slider 16 in chute 17 so that motor 141 will not be rocked when mobile and more
Adding stabilization so that gear 10 will not be rocked and can be meshed all the time with ratch 9 when rotated, and the present invention is compact-sized, if
Meter is reasonable, practical.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
- A kind of 1. wisdom traffic device, it is characterised in that：Including housing (27), the upper surface of housing (27) inwall and following table Face is fixedly connected with the top of ratch (9) and bottom respectively, and the ratch (9) is meshed with gear (10), the gear (10) The back side be fixedly connected with drive device (14) positive one end, the right flank of the drive device (14) and a left side for sliding block (16) Side is fixedly connected, and the sliding block (16) is arranged in the chute (17) that support column (18) left surface opens up, the support column (18) upper and lower surface of the top and bottom respectively with housing (27) inwall is fixedly connected, the drive device (14) Lower surface is fixedly connected with fix bar (19), and the bottom of the fix bar (19) is fixedly connected with the top of expansion link (20), institute The bottom for stating expansion link (20) is fixedly connected with the lower surface of housing (27) inwall, and the upper surface of the drive device (14) is fixed Support bar (13) is connected with, the top of the support bar (13) is fixedly connected with signal lamp (12), and the support bar (13) is located at In the first through hole (11) that housing (27) upper surface opens up, the lower surface of housing (27) inwall is fixedly connected with the first connection Bar (2), the top of the head rod (2) are fixedly connected with rotating shaft (5), and the outer surface of the rotating shaft (5) is socketed with bearing (6), the upper surface of the bearing (6) is fixedly connected with the lower surface of connecting plate (28), the right side of connecting plate (28) lower surface Side is fixedly connected with the top of the second fixed pulley (7), the bottom of second fixed pulley (7) and the top of the second connecting rod (22) It is fixedly connected, the bottom of second connecting rod (22) is fixedly connected with the upper surface of supporting plate (23), the supporting plate (23) Upper surface be fixedly connected by electric pushrod (24) with the lower surface of housing (27), second connecting rod (22) is located at housing (27) in the second through hole (21) that lower surface opens up, the left side of connecting plate (28) lower surface and the top of the first fixed pulley (4) End overlap joint, the bottom of first fixed pulley (4) are fixedly connected with the top of carriage (26), carriage (26) card The lower surface of housing (27) is connected on, the outer surface of the carriage (26) is socketed with spring (1) and block (3), the spring (1) top and bottom is fixedly connected with the lower surface of block (3) and the upper surface of sliding sleeve (262) respectively, the carriage (26) bottom is fixedly connected with wheel (25).
- A kind of 2. wisdom traffic device according to claim 1, it is characterised in that：The drive device (14) includes motor (141), the output shaft of the motor (141) is fixedly connected with the back side of gear (10), the right flank of motor (141) fuselage Fixed block (142) is fixedly connected with, the right flank of the fixed block (142) is fixedly connected with the left surface of sliding block (16), described The upper surface of motor (141) fuselage is fixedly connected with the bottom of support bar (13), and the lower surface of motor (141) fuselage is with consolidating The top of fixed pole (19) is fixedly connected.
- A kind of 3. wisdom traffic device according to claim 1, it is characterised in that：The carriage (26) includes sliding sleeve (262), the sliding sleeve (262) is connected to the lower surface of housing (27), and slide bar (261) is socketed with the sliding sleeve (262), described The outer surface of slide bar (261) is socketed with block (3) and spring (1), and the top and bottom of the slide bar (261) are fixed with first respectively The bottom of pulley (4) is fixedly connected with the top of wheel (25).
- A kind of 4. wisdom traffic device according to claim 1, it is characterised in that：The quantity of the wheel (25) is four It is individual, and four wheels (25) are separately positioned at the corner of housing (27) lower surface.
- A kind of 5. wisdom traffic device according to claim 1, it is characterised in that：The upper surface of housing (27) inwall Battery (8) is fixedly connected with, the upper surface of the housing (27) is fixedly connected with control panel (15).
- A kind of 6. wisdom traffic device according to claim 5, it is characterised in that：The output end of the battery (8) with The input electrical connection of control panel (15), the output end of the control panel (15) respectively with motor (141) and electric pushrod (24) input electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290164.2A CN107895499A (en) | 2017-12-08 | 2017-12-08 | A kind of wisdom traffic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290164.2A CN107895499A (en) | 2017-12-08 | 2017-12-08 | A kind of wisdom traffic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107895499A true CN107895499A (en) | 2018-04-10 |
Family
ID=61807679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711290164.2A Withdrawn CN107895499A (en) | 2017-12-08 | 2017-12-08 | A kind of wisdom traffic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107895499A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108629998A (en) * | 2018-05-15 | 2018-10-09 | 朱灵美 | A kind of energy saving and environment friendly traffic lights easy to remove |
| CN109598958A (en) * | 2019-01-08 | 2019-04-09 | 闫格 | A kind of efficient traffic signal indicator |
| CN110379188A (en) * | 2019-06-21 | 2019-10-25 | 张曼玉 | A kind of temporary traffic signal lamp |
| CN112090010A (en) * | 2020-09-28 | 2020-12-18 | 张栋良 | Solid fire extinguishing agent with adjustable spraying angle |
| CN112349124A (en) * | 2020-11-10 | 2021-02-09 | 张飞军 | Solar power generation's interim traffic signal lamp |
-
2017
- 2017-12-08 CN CN201711290164.2A patent/CN107895499A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108629998A (en) * | 2018-05-15 | 2018-10-09 | 朱灵美 | A kind of energy saving and environment friendly traffic lights easy to remove |
| CN109598958A (en) * | 2019-01-08 | 2019-04-09 | 闫格 | A kind of efficient traffic signal indicator |
| CN110379188A (en) * | 2019-06-21 | 2019-10-25 | 张曼玉 | A kind of temporary traffic signal lamp |
| CN112090010A (en) * | 2020-09-28 | 2020-12-18 | 张栋良 | Solid fire extinguishing agent with adjustable spraying angle |
| CN112090010B (en) * | 2020-09-28 | 2021-12-07 | 李菊香 | Solid fire extinguishing agent with adjustable spraying angle |
| CN112349124A (en) * | 2020-11-10 | 2021-02-09 | 张飞军 | Solar power generation's interim traffic signal lamp |
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Application publication date: 20180410 |