CN208810623U - A kind of tunnel overhaul road facade mark automatic cleaning apparatus - Google Patents
A kind of tunnel overhaul road facade mark automatic cleaning apparatus Download PDFInfo
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- CN208810623U CN208810623U CN201821313292.4U CN201821313292U CN208810623U CN 208810623 U CN208810623 U CN 208810623U CN 201821313292 U CN201821313292 U CN 201821313292U CN 208810623 U CN208810623 U CN 208810623U
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- tunnel
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- water tank
- trolley
- arm
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Abstract
The utility model relates to a kind of tunnel overhaul road facade mark automatic cleaning apparatus, including the trolley being located on tunnel overhaul road, the trolley has traveling wheel and dynamical system, the trolley is equipped with water tank and cleaning device, the water tank is equipped with water receiving arm, the water receiving arm controls the opening and closing of fire hydrant depotition cock by the switching mechanism being mounted on fire hydrant, the water tank is connected with water sensing device, the connection of the dynamical system of the water sensing device and trolley, water sensing device is changed by the height of liquid level in water tank come the size of console vehicle driving power, the cleaning device of the utility model can utilize fire hydrant moisturizing in real time, it meets and cleans demand compared with long tunnel facade target, high degree of automation, cleaning effect is good.
Description
Technical field
The utility model relates to tunnels to run conservation technology field, and in particular to a kind of tunnel overhaul road facade mark is automatically clear
Clean device.
Background technique
China is currently tunnel owning amount and the country most in the amount of building, and tunnel is as a kind of environmentally friendly traffic class
Type avoids traditional road and builds middle massif environment destruction or winding the phenomenon that going the long way round, more and more appears in friendship
In logical route.In vcehicular tunnel, runway two sides are maintaining roadways, to allow driver to understand discrimination road boundary, can overhauled
Road side patch warning facade mark, prevents motor vehicle from going out road surface and hits tunnel inner wall, safety accident occurs.Seem simple facade
Mark but serves in tunnel safety highly important.
However, the especially pollution of vehicle exhaust and dust, facade mark is very easy to be dirty, grey since the service time is long
Dirt covering, loses marked effect.Especially in service time longer tunnel, the facade mark in roadside is much difficult to recognize.To protect
Card safety, especially in highway, cleaning facade mark needs to close tunnel, and cleaning cost is big, therefore more facade mark is difficult
To be cleaned, after certain time is runed in tunnel, the facade mark that cannot effectively clean loses mark meaning, becomes tunnel
The hidden danger of road safe operation and vehicle safe driving.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of tunnel overhaul road facade marks certainly
Dynamic cleaning device automatically can effectively clean tunnel overhaul road facade mark using the fire hydrant being arranged in tunnel, realization,
Enter tunnel without staff, does not influence the normal pass of vehicle in tunnel.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of tunnel overhaul road facade mark automatic cleaning apparatus, including the trolley being located on tunnel overhaul road, the trolley
With traveling wheel and dynamical system, the trolley is equipped with water tank and cleaning device, and the water tank is equipped with water receiving arm, described to connect
Water arm controls the opening and closing of fire hydrant depotition cock, the water tank and water by the switching mechanism being mounted on fire hydrant
The dynamical system of sensing device connection, the water sensing device and trolley connects, and water sensing device passes through liquid level in water tank
Height variation come console vehicle driving power size.
Further, the water receiving arm is tubular structure, and one end is fixed on the tank wall that water tank is located at tunnel-side side
On, and be connected to space in water tank, the arc plate structure of other end end tool protrusion, the water of fire hydrant depotition cock outflow can lead to
Water receiving arm is crossed to enter in water tank.
Further, the switching mechanism includes supportting with the constant pressure gas of tunnel-side rotation connection, the constant pressure gas support
Pars contractilis end and one end of resistance row bar are rotatablely connected, and the depotition cock at the middle part and fire hydrant that hinder row bar is rotatablely connected, fire-fighting
The control valve of the depotition cock of bolt and one end of switch lever connect, the fixed company of the other end of switch lever and one end of switch spring
It connects, the other end of switch spring is fixedly connected with the other end of resistance row bar, and resistance row bar is contacted with arc plate structure, is supportted in constant pressure gas
The lower traveling that can prevent trolley of effect, the rotation of arc plate structure pull switch bar, openable depotition cock.
Further, the water sensing device includes the induction tube being connected to water tank, have inside the induction tube with
The induction floating bar of its inside liquid level lifting, the induction floating bar and oscillating rod one end are rotatablely connected, and the oscillating rod is another
End extends to the induction region of induction driver, and the dynamical system for incuding driver and trolley connects, and induction floating bar, which drives, to be swung
Bar is swung, and oscillating rod extends to the different induction regions of induction driver, controls trolley power size by induction driver.
Further, the induction driver is equipped with low dynamics area and high power-section, and the high power-section area is less than low
Power-section area, oscillating rod are rocked to different zones, trigger electronic trolley and are drawn using different dynamic.
Further, the water tank, which is located on the tank wall of tunnel-side side, is equipped with registration arm, the registration arm end
Equipped with the positioning pulley being distributed up and down, the positioning pulley is slidably connect with the positioning rail being fixed in tunnel-side.
Further, the cleaning device includes the first cleaning arm and the second cleaning arm connecting with water tank, and described first
Cleaning arm and the second cleaning arm include the channel washer of tubulose being connected to water tank, and the channel washer of the first cleaning arm is equipped with multiple
Spray head, for spraying cleaning liquid to tunnel facade mark, the channel washer of second cleaning arm connects hairiness by fastening spring
Brush, the center position of hairbrush is equipped with the spray head being connected to channel washer, for cleaning tunnel overhaul road facade mark.
Further, the trolley is equipped with water pump, the channel washer of the first cleaning arm and the second cleaning arm by water pump with
Water tank connection.
The invention also discloses a kind of working method of tunnel overhaul road facade mark automatic cleaning apparatus, including it is following
Step:
When liquid level is higher in water tank, water sensing device control trolley is travelled with high power, and cleaning device examines tunnel
Facade mark of cultivating oneself according to a religious doctrine is cleaned, with the consumption of cleaning process cleaning liquid, liquid level decline, water sensing device control trolley with
Low dynamics traveling, when moving at the depotition cock of fire hydrant, switching mechanism and water receiving arm contact prevent trolley from continuing to travel,
Meanwhile water receiving arm opens depotition cock by switching mechanism, carries out water-filling to water tank, liquid level rises, the control of water sensing device
Trolley power is promoted, until trolley power overcomes switching mechanism resistance to continue on, continues to carry out tunnel overhaul road facade mark
Cleaning.
The utility model has the beneficial effects that
1. the tunnel overhaul road facade mark automatic cleaning apparatus of the utility model carries out real using the fire hydrant in tunnel
When moisturizing, greatly reduce the requirement to water tank volume, suitable for compared with long tunnel tunnel overhaul road facade target clean
Work.
2. the tunnel overhaul road facade mark automatic cleaning apparatus of the utility model, can automatic operating, be not necessarily to work people
Member enters tunnel, and device only runs normal pass and the operation that ensure that tunnel on maintaining roadway.
3. the tunnel overhaul road facade mark automatic cleaning apparatus of the utility model has multiple cleaning arm, common to clean, clearly
Clean effect is good.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is the utility model cleaning device overall structure diagram；
Fig. 2 is A in the utility model Fig. 1 to schematic diagram；
Fig. 3 is the utility model water receiving arm end semicircular plate structural schematic diagram；
Fig. 4 is the utility model switching mechanism structural schematic diagram；
Fig. 5 is the utility model water sensing device structural schematic diagram；
Fig. 6 is the first cleaning arm of the utility model and spray head assembling schematic diagram；
Fig. 7 is the second cleaning arm of the utility model and hairbrush assembling schematic diagram；
Wherein, 1. trolley, 1-1. traveling wheel, 2. water tanks, 3. water receiving arms, 3-1. semicircular plate structure, 4. switching mechanisms, 4-
1. constant pressure gas supports, 4-2. hinders row bar, 4-3. switch lever, 4-4. switch spring, 5. depotition cocks, 6. water sensing devices, 6-1.
Induction tube, 6-2. incude floating bar, 6-3. oscillating rod, and 6-4. incudes driver, the power-section 6-4-1. high, 6-4-2. low dynamics
Area, 7. registration arm, 8. positioning pulleys, 9. positioning rails, 10. channel washers, 11. water pumps, 12. spray heads, 13. fastening springs, 14. maos
Brush.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing
The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and
Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
As background technique is introduced, when clearing up tunnel overhaul road facade mark at present, tunnel need to be closed, be cleaned
Cost is big, and more facade mark is difficult to be cleaned, and after certain time is runed in tunnel, the facade mark that cannot effectively clean is lost
Mark meaning has been gone, the hidden danger of tunnel safety operation and vehicle safe driving is become, in view of the above-mentioned problems, present applicant proposes one
Kind tunnel overhaul road facade mark automatic cleaning apparatus.
In a kind of exemplary embodiment of the application, as shown in figs. 1-7, a kind of tunnel overhaul road facade mark automated cleaning dress
It sets, including the trolley 1 being located on tunnel overhaul road, the trolley includes traveling wheel 1-1 and dynamical system, and trolley can be using existing
Some electric platform cars, the trolley are equipped with water tank 2 and cleaning device, and the water tank is equipped with water receiving arm 3, the water receiving arm
The opening and closing of fire hydrant upper water-out faucet 5 are controlled by the switching mechanism 4 being mounted on fire hydrant, the water tank is connected with
The dynamical system of water sensing device 6, the water sensing device and trolley connects, by the height for detecting water level in water tank
Come console garage into power size, and then control trolley can be continued on by the blocking of switching mechanism.
The water receiving arm is the tubular structure of substantially l-shaped, pipeline section and vertical pipeline section with level of approximation, level of approximation
Pipeline section one end be installed on water tank and be located on the tank wall of tunnel-side side, and be connected to space in water tank, vertical pipe section top
The arc plate structure of end tool protrusion, the arc plate structure use semicircular plate structure 3-1, the semicircular plate structure top end
Distance apart from tunnel overhaul road ground is less than distance of the fire hydrant depotition cock bottom face apart from tunnel overhaul road ground, water receiving
Arm is movable to the underface of fire hydrant depotition cock, and the water of fire hydrant depotition cock outflow can enter water tank by water receiving arm
In.
The switching mechanism 4 includes that 4-1 is supportted with the constant pressure gas of tunnel-side articulated connection, and the constant pressure gas support is using existing
Constant pressure gas support arrangement, including fixed part and pars contractilis, fixed part be hinged in tunnel-side, under a certain pressure,
Pars contractilis can be stretched out along fixed part, after pressure dump, pars contractilis can homing, the pars contractilis end of constant pressure air pressure support with
The one end for hindering row bar 4-2 is hinged, and the depotition cock 5 at the middle part and fire hydrant that hinder row bar is hinged, the control of the depotition cock of fire hydrant
Valve processed is connect with one end of switch lever 4-3, and the other end of switch lever is fixedly connected with one end of switch spring 4-4, switchs bullet
The other end of spring is fixedly connected with the other end of resistance row bar, when installation, hinders row bar and switch lever lowermost end apart from tunnel overhaul road
The distance on ground is respectively less than distance of the semicircle shaping plate structure top apart from tunnel overhaul road ground, is greater than water receiving arm vertical pipe section top
The distance between end and tunnel overhaul road ground, i.e. resistance row bar and switch lever can be contacted without and connect with semicircular plate structure
The vertical pipe section of water arm contacts, and resistance row bar is contacted with semicircular plate structure, under the action of the support of constant pressure gas, if the traveling of trolley
It is short of power, the resistance that traveling power can not overcome constant pressure gas to support, then the traveling of trolley can be prevented by hindering row bar, and semicircular plate structure pushes away
Dynamic switch lever, switch lever can drive the control valve of depotition cock to rotate, then openable depotition cock, water receiving arm and switching mechanism
After separation, under the action of switch spring and constant pressure gas support, switch lever and resistance row bar set back.
The water sensing device 6 includes the induction tube 6-1 for the L-type being connected to water tank bottom, in water tank when injection water, root
According to law of connected vessels, water level is consistent with water level in water tank in induction tube, is had according to the induction tube inside with its water level inside
The induction floating bar 6-2 of lifting, the induction floating bar upper end and the one end oscillating rod 6-3 are hinged, the middle part of oscillating rod and water tank
Tank wall it is hinged, the oscillating rod other end extends to the induction region of induction driver 6-4, and the induction driver is fixed on water
On the tank wall of case, the dynamical system for incuding driver and trolley is connected, and induction driver is equipped with high power-section and low dynamics area, sense
Answering the lesser part in driver bottom is high power-section 6-4-1, remaining major part is low dynamics area 6-4-2, the face in low dynamics area
Product is greater than the area of high power-section, and induction floating bar is with the lifting belt movable pendulum lever of water level with the hinged of oscillating rod and water tank tank wall
Point rotation realizes that oscillating rod is swung, and oscillating rod is rocked to the different induction regions of induction driver, passes through induction driver control
Trolley power size.
The water tank, which is located on the tank wall of tunnel-side side, is equipped with registration arm 7, and the registration arm end is equipped with up and down
Two positioning pulleys 8 of distribution, the positioning pulley insertion simultaneously slidably connect with the positioning rail 9 being fixed in tunnel-side
It connects, plays the role of guiding to the movement of trolley
The cleaning device includes two the first cleaning arm being connected to water tank and between two the first cleaning arm
Second cleaning arm, first cleaning arm and the second cleaning arm include the channel washer 10 of tubulose being connected to water tank, described clear
Clean bar is fixed on trolley, and is connect by water pump 11 with water tank, and the channel washer of the first cleaning arm is equipped with multiple spray heads 12, root
The quantity of spray head is determined according to facade target height, general to be arranged 1-5, the spray head is used to spray cleaning liquid to facade mark,
Channel washer in second cleaning arm is connected with hairbrush 14 by fastening spring 13, and fastening spring can make hair by elastic pressure
Brush is in close contact with facade mark, and the center position of hairbrush is equipped with the spray head 12 being connected to channel washer, for cleaning tunnel overhaul
Road facade mark.
The invention also discloses a kind of working methods of tunnel overhaul road facade mark automatic cleaning apparatus:
When water level is higher in water tank, induction floating bar is located at higher position in water tank, and oscillating rod is rocked to induction and passes
The high power-section of dynamic device bottom, the dynamical system of induction driver control trolley, travels trolley with high power, the first cleaning arm
And second cleaning arm drive spray head and hairbrush to clean tunnel overhaul road facade mark, with cleaning process carry out it is clear in water tank
Wash liq constantly consumes, and liquid level decline, induction floating bar declines therewith, and oscillating rod is driven to swing, and oscillating rod is rocked to induction and passes
The low dynamics area of dynamic device, induction driver control trolley are travelled with low dynamics, at the depotition cock of trolley movement to fire hydrant, are connect
When water arm is moved to below fire hydrant depotition cock, the successive semicircular plate with water receiving arm of the switch lever and resistance row bar of switching mechanism
Structure contact, semicircular plate structure drive switch lever rotation, drive the rotation of fire hydrant depotition cock control valve, depotition cock
Outflow water enters water tank by water receiving arm, due to the resistance that the driving power of trolley is not enough to that constant pressure gas is overcome to support, so resistance row
Bar prevents trolley from being advanced further, sustainable injection water in water tank, when liquid level arrival certain altitude in water tank, incudes in floating bar
It rises, oscillating rod is rocked to the high power-section of induction driver, and trolley regains high power, and driving power is enough that resistance is overcome to go
The resistance of bar, trolley move on, at this point, the pars contractilis of constant pressure gas support stretches out, fixed part is rotated around hinge joint, hinder row bar around it
It is rotated with the hinge joint of depotition cock, the movement of switching mechanism meets the requirement that trolley continues on, when water receiving arm moves to
When hindering row bar and the disengaging of semicircular plate structure, under the action of the support of constant pressure gas, row bar homing is hindered, in the effect of switch spring
Under, switch lever homing closes the control valve of depotition cock, and trolley can continue on, and utilizes cleaning device opposite
Mark is cleared up.
The tunnel overhaul road facade mark automatic cleaning apparatus of the utility model is realized real-time using the fire hydrant in tunnel
Moisturizing meets the facade mark cleaning compared with long tunnel to eliminate limitation of the water tank volume to cleaning facade mark length,
And entire cleaning high degree of automation, enter tunnel without staff, cleaning effect is good, and cleaning is examined in tunnel
It cultivates oneself according to a religious doctrine progress, does not interfere the normal operation and passage in tunnel.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (8)
1. a kind of tunnel overhaul road facade mark automatic cleaning apparatus, including the trolley being located on tunnel overhaul road, the trolley tool
There are traveling wheel and dynamical system, the trolley is equipped with water tank and cleaning device, which is characterized in that the water tank is equipped with water receiving
Arm, the water receiving arm controls the opening and closing of fire hydrant depotition cock by the switching mechanism being mounted on fire hydrant, described
Water tank is connected with water sensing device, the dynamical system connection of the water sensing device and trolley, and water sensing device passes through
The height variation of liquid level carrys out the size of console vehicle driving power in water tank.
2. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as described in claim 1, which is characterized in that the water receiving arm
For tubular structure, one end is fixed on water tank and is located on the tank wall of tunnel-side side, and is connected to space in water tank, the other end
The arc plate structure of end tool protrusion, the water of fire hydrant depotition cock outflow can be entered in water tank by water receiving arm.
3. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as described in claim 1, which is characterized in that the switching on and shutting down
Structure includes supportting with the constant pressure gas of tunnel-side rotation connection, and the pars contractilis end of the constant pressure gas support and one end of resistance row bar rotate
The depotition cock of connection, the middle part and fire hydrant that hinder row bar is rotatablely connected, the control valve and switch of the depotition cock of fire hydrant
One end of bar connects, and the other end of switch lever is fixedly connected with one end of switch spring, the other end and resistance row bar of switch spring
The other end be fixedly connected.
4. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as described in claim 1, which is characterized in that the water sense
Answering device includes the induction tube being connected to water tank, has the induction floating bar gone up and down with its inside liquid level inside the induction tube,
The induction floating bar and oscillating rod one end are rotatablely connected, and induction floating bar drives oscillating rod to swing, the oscillating rod other end
The induction region of induction driver is extended to, the dynamical system for incuding driver and trolley connects.
5. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as claimed in claim 4, which is characterized in that the induction passes
Dynamic device is equipped with low dynamics area and high power-section, and the high power-section area is less than low dynamics area area, and oscillating rod is rocked to difference
Region is triggered electronic trolley and is drawn using different dynamic.
6. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as described in claim 1, which is characterized in that the water tank position
In being equipped with registration arm on the tank wall of tunnel-side side, the registration arm end is equipped with the positioning pulley being distributed up and down, described
Positioning pulley is slidably connect with the positioning rail being fixed in tunnel-side.
7. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as described in claim 1, which is characterized in that the cleaning dress
The first cleaning arm and the second cleaning arm including connecting with water tank are set, first cleaning arm and the second cleaning arm include tubulose
The channel washer being connected to water tank, the channel washer of the first cleaning arm is equipped with multiple spray heads, for clear to the sprinkling of tunnel facade mark
Wash liq, the channel washer of second cleaning arm are connected with hairbrush by fastening spring, the center position of hairbrush be equipped with it is clear
The spray head of clean bar connection, for cleaning tunnel overhaul road facade mark.
8. a kind of tunnel overhaul road facade mark automatic cleaning apparatus as claimed in claim 7, which is characterized in that on the trolley
Equipped with water pump, the channel washer of the first cleaning arm and the second cleaning arm is connect by water pump with water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821313292.4U CN208810623U (en) | 2018-08-15 | 2018-08-15 | A kind of tunnel overhaul road facade mark automatic cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821313292.4U CN208810623U (en) | 2018-08-15 | 2018-08-15 | A kind of tunnel overhaul road facade mark automatic cleaning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208810623U true CN208810623U (en) | 2019-05-03 |
Family
ID=66273245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821313292.4U Expired - Fee Related CN208810623U (en) | 2018-08-15 | 2018-08-15 | A kind of tunnel overhaul road facade mark automatic cleaning apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208810623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047060A (en) * | 2018-08-15 | 2018-12-21 | 山东省交通规划设计院 | A kind of tunnel overhaul road facade mark automatic cleaning apparatus and working method |
| CN117380646A (en) * | 2023-12-12 | 2024-01-12 | 柞水县宝华矿业有限公司 | Quartz sand impurity removal cleaning device |
-
2018
- 2018-08-15 CN CN201821313292.4U patent/CN208810623U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047060A (en) * | 2018-08-15 | 2018-12-21 | 山东省交通规划设计院 | A kind of tunnel overhaul road facade mark automatic cleaning apparatus and working method |
| CN117380646A (en) * | 2023-12-12 | 2024-01-12 | 柞水县宝华矿业有限公司 | Quartz sand impurity removal cleaning device |
| CN117380646B (en) * | 2023-12-12 | 2024-03-12 | 柞水县宝华矿业有限公司 | Quartz sand impurity removal cleaning device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 |
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| CF01 | Termination of patent right due to non-payment of annual fee |