CN206153224U - Small -size intelligent guardrail cleaning robot - Google Patents
Small -size intelligent guardrail cleaning robot Download PDFInfo
- Publication number
- CN206153224U CN206153224U CN201621134059.0U CN201621134059U CN206153224U CN 206153224 U CN206153224 U CN 206153224U CN 201621134059 U CN201621134059 U CN 201621134059U CN 206153224 U CN206153224 U CN 206153224U
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- CN
- China
- Prior art keywords
- guard rail
- cleaning machine
- device people
- machine device
- round brush
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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.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to environmental protection hygiene apparatus field relates to a small -size intelligent guardrail cleaning robot, including organism, washing unit, walking unit, air pump, water tank, the next machine, singlechip controller, ultrasonic sensor, GPS module, acceleration sensor, wireless data transmission module, guide rail and electric putter are installed to the bilateral symmetry in the middle of the organism, and electric putter one end is installed on the organism, and the other end links to each other with washing unit, air pump, water tank are installed on organism upper portion, and walking unit installs at bottom of the body, ultrasonic sensor, GPS module, acceleration sensor link to each other with singlechip controller respectively, and the next machine passes through the wireless data transmission module and links to each other with singlechip controller, the utility model discloses can realize wasing the guardrail of " S " type or different width, saves water resource. A staff can carry out work by a plurality of guardrail cleaning robot of simultaneous control, has improved the cleaning efficiency, has reduced the human cost.
Description
Technical field
The utility model is related to a kind of device in environmentally-friendly sanitary cleaning appliance field, more precisely, the utility model is related to
And the environment-friendly type guard rail cleaning machine device people of a kind of small intelligent, energy-conservation.
Background technology
As the development and the increase of urban population density of society, all kinds of motor vehicles are consequently increased, city is to prevent
The unordered walking of vehicle and pedestrian jaywalk, and in road central authorities substantial amounts of guardrail is mounted with, and guardrail due to by Exposure to Sunlight, drench with rain and
The impact of car, is usually covered with dust all over and spot, and this has had a strong impact on the clean and tidy and attractive in appearance of the appearance of the city, therefore, it is necessary
Cleaned for the guardrail in urban road central authorities.
Manually to wash down, street cleaner's traditional guardrail cleaning way need to stand in road central authorities, due to dealing car during cleaning
Numerous, therefore there is very big potential safety hazard, in addition road is got on the car the discharge of tail gas, has also had a strong impact on street cleaner's
It is healthy.Although having occurred in that the cleaning Vehicle of some cleaning guardrails, many problems below generally existing at present：1. it is existing
Cleaning Vehicle is rinsed using clear water, needs to expend substantial amounts of water resource in cleaning process, causes the waste of resource；2. cleaning Vehicle is clear
Track is taken when washing guardrail, while that what is often advanced in cleaning process is slow, is caused to the traffic in city certain
Pressure；3. cleaning Vehicle cleaning guardrail needs several cleanup crew to cooperate to complete often, and cleaning efficiency is relatively low.
The content of the invention
Technical problem to be solved in the utility model is the problems referred to above for overcoming prior art presence, there is provided a kind of
Small intelligent guard rail cleaning machine device people.
To solve above-mentioned technical problem, the utility model adopts the following technical scheme that realization, be described with reference to the drawings as
Under：
A kind of small intelligent guard rail cleaning machine device people, including body 1, cleaning unit 2, walking unit 3, air pump 4, water tank 5,
Slave computer 43, singlechip controller 35, ultrasonic sensor 36, GPS module 37, acceleration transducer 38, Wireless Data Transmission
Module 42；
The middle both sides of body 1 are symmetrically installed with guide rail 8 and electric pushrod 9, and the one end of electric pushrod 9 is arranged on body 1, separately
One end is connected with cleaning unit 2；The air pump 4, water tank 5 are arranged on the top of body 1, and the walking unit 3 is arranged on the bottom of body 1
Portion；
Ultrasonic sensor 36, GPS module 37, acceleration transducer 38 are connected respectively with singlechip controller 35, the next
Machine 43 is connected by wireless data transfer module 42 with singlechip controller 35.
Guide rail 8 described in technical scheme is provided with eight, and the electric pushrod 9 is provided with four；Described cleaning unit 2 has
Two, each outside is mounted on four slide blocks 11, and four slide blocks 11 are separately mounted on the guide rail 8 of body 1, and two cleanings are single
Unit 2 is by the flexible adjusting the distance between two cleaning units 2 of electric pushrod 9.
Cleaning unit 2 described in technical scheme includes deduster 12, dedusting round brush 13, steam dirt removing device 14, decontamination round brush
15th, air dryer 16 and shell 17；
The deduster 12 be located at cleaning unit 2 inside forefront, its main body be the first strip aluminium sheet 18, the first strip
The L-shaped structure in the two ends of aluminium sheet 18, for being connected to shell 17, on the first strip aluminium sheet 18 at least one high pressure gas is provided with
Shower nozzle 19, high pressure gas blowout head 19 is connected by gas path pipe with air pump 4；
The dedusting round brush 13 be arranged on the rear of deduster 12, the main body of dedusting round brush 13 be the first multidiameter 20, the first rank
Thick between the two ends detail of terraced axle 20, the mid portion of the first multidiameter 20 is cased with scrub-brush 21, and lower end is arranged on by clutch shaft bearing 22
On shell 17, upper end is connected by first shaft coupling 23 with the first motor 24, and the first motor 24 is fixed on the top of shell 17；
The steam dirt removing device 14 be located at the rear of dedusting round brush 13, its main body be the second strip aluminium sheet 25, the second strip aluminium
The same L-shaped structure in the two ends of plate 25, to be connected on shell 17, on the second strip aluminium sheet 25 at least one steam is provided with
Mixing nozzle 26, each steam mixing nozzle 26 has an air inlet and a water inlet, air inlet by gas path pipe with
Air pump 4 is connected, and water inlet is connected to water tank 5 using pipeline；
The decontamination round brush 15 is arranged on the rear of steam dirt removing device 14, and the main body of decontamination round brush 15 is the second multidiameter 27, the
Thick between the two ends detail of two multidiameter 27, the mid portion of the second multidiameter 27 is cased with banister brush 28, and lower end is pacified by second bearing 29
It is mounted on shell 17, upper end is connected by second shaft coupling 30 with the second motor 31, the second motor 31 is fixed on the top of shell 17；
Described air dryer 16 is arranged on the rear of decontamination round brush 15, and its structure is identical with deduster 12；
Described walking unit 3 includes four groups of walking components 32, and each walking component 32 is by reducing motor 33 and road wheel
34 compositions, road wheel 34 is connected with reducing motor 33.
Ultrasonic sensor 36 described in technical scheme totally two, is placed in guard rail cleaning machine device people front, before detecting
Square barrier and guardrail.
The device of small intelligent guard rail cleaning machine described in technical scheme people also includes high bright light 39, loudspeaker 40 and rotatable takes the photograph
Picture 41, the high bright light 39, loudspeaker 40, rotatable camera 41 are connected respectively with singlechip controller 35；
High bright light 39 and loudspeaker 40 are placed in guard rail cleaning machine device people top, and rotatable camera 41 is located at guard rail cleaning machine
Device people's upper front part position.
The device of small intelligent guard rail cleaning machine described in technical scheme people also includes lithium battery 6 and horn mouth 7；Lithium battery 6 is pacified
The top of body 1 is mounted in, described horn mouth 7 is arranged on the front end of body 1.
The outside of body 1 described in technical scheme is provided with exhaust outlet 10.
Compared with prior art the beneficial effects of the utility model are：
1st, small intelligent guard rail cleaning machine device people described in the utility model includes deduster, dedusting round brush, steam decontamination
Device, decontamination round brush, air dryer, each piece of guardrail all blows floating dirt, round brush dedusting, steam mixed steam decontamination, round brush through high pressure gas
Decontamination and air-dried 5 steps, cleaning efficiency is high, cleaning is thorough.
2nd, the mode that more traditional water cleans guardrail is compared, the utility model is cleared up by the way of steam mixing,
This method will greatly reduce the waste of water resource, therefore in the case of the equal water yield, it is described in the utility model small-sized
Intelligent guardrail cleaning robot improves the distance of cleaning guardrail.
3rd, traditional guardrail cleaning way needs staff to accompany in real time, the utility model using intelligence cleaning with it is long-range
The mode that control combines, one side robot can independently clean guardrail, and another aspect staff can remote control robot
Next section guard is entered from a section guard, therefore a staff can simultaneously control multiple guard rail cleaning machine device people, greatly
Integral cleaning efficiency is improve, human cost is reduced.
4th, the small intelligent guard rail cleaning machine device people belonging to the utility model includes that two cleaning units, four bars are electronic and pushes away
Bar, four slide blocks and eight guide rails, realize adjusting the distance between two cleaning units by the contraction of electric pushrod, so as to
Can realize cleaning the guardrail of " S " type or different in width.
Description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is the axonometric projection graph of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 2 is the internal structure sectional view of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 3 is the cleaning unit structure axonometric drawing of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 4 is the dedusting roller brushes structure axonometric drawing of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 5 is the deduster structure chart of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 6 is the decontamination roller brushes structure axonometric drawing of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 7 is the steam dirt removing device structure axonometric drawing of small intelligent guard rail cleaning machine device people described in the utility model；
Fig. 8 is the control section structured flowchart of small intelligent guard rail cleaning machine device people described in the utility model；
In figure：1st, body, 2, cleaning unit, 3, walking unit, 4, air pump, 5, water tank, 6, lithium battery, 7, horn mouth, 8,
Guide rail, 9, electric pushrod, 10, exhaust outlet, 11, slide block, 12, deduster, 13, dedusting round brush, 14, steam dirt removing device, 15, decontamination
Round brush, 16, air dryer, 17, shell, the 18, first strip aluminium sheet, 19, high pressure gas blowout head, the 20, first multidiameter, 21, scrub-brush,
22nd, clutch shaft bearing, 23, first shaft coupling, the 24, first motor, the 25, second strip aluminium sheet, 26, steam mixing nozzle, 27, second
Multidiameter, 28, banister brush, 29, second bearing, 30, second shaft coupling, the 31, second motor, 32, walking component, 33, slow down electricity
Machine, 34, road wheel, 35, singlechip controller, 36, ultrasonic sensor, 37, GPS module, 38, acceleration transducer, 39, high
Bright light, 40, loudspeaker, 41, rotatable camera, 42, wireless data transfer module, 43, slave computer.
Specific embodiment
The utility model is explained in detail below in conjunction with the accompanying drawings：
The utility model design small intelligent guard rail cleaning machine device people, including body 1, cleaning unit 2, walking unit 3,
Air pump 4, water tank 5, lithium battery 6 and horn mouth 7.
Refering to Fig. 1, Fig. 2, described body 1 is in " door " character form structure, its material be metal or alloy material (for example：
No. 45 steel, aluminium alloys etc.), the middle both sides of body 1 are symmetrically installed with eight guide rails 8 and four electric pushrods 9, four electric pushrods
9 one end are arranged on body 1, and the other end is connected with cleaning unit 2, and 1 liang of outside of body is provided with exhaust outlet 10；Described air pump 4,
Water tank 5, lithium battery 6 are arranged on the top of body 1；Described horn mouth 7 is arranged on the front end of body 1.Described electric pushrod 9 is one
Electric operator is planted, it can make back and forth movement in certain limit stroke, and electric operator is relative to pneumatic actuator
(such as cylinder) can reduce executing agency's gross weight without compressed air source unit and auxiliary equipment.
Refering to Fig. 2 and 3, described cleaning unit 2 has two, and each outside is mounted on four slide blocks 11, four cunnings
Block 11 is separately mounted on the guide rail 8 of body 1, and two cleaning units 2 are by the flexible single to adjust two cleanings of electric pushrod 9
Unit the distance between 2, such that it is able to realize cleaning the guardrail of " S " type or different in width.
Described cleaning unit 2 includes deduster 12, dedusting round brush 13, steam dirt removing device 14, decontamination round brush 15, air dryer
16 and shell 17.Deduster 12, dedusting round brush 13, steam dirt removing device 14, decontamination round brush 15, air dryer 16 and shell 17 have two
Set, is symmetrically arranged in cleaning robot both sides.
Refering to Fig. 2, Fig. 3 and Fig. 5, the deduster 12 is located at the forefront inside cleaning unit 2, and its main body is the first length
Bar aluminium sheet 18, the L-shaped structure in the two ends of the first strip aluminium sheet 18, for being connected to shell 17, on the first strip aluminium sheet 18 between
Every several high pressure gas blowout heads 19 are uniformly provided with, high pressure gas blowout head 19 is connected by gas path pipe with air pump 4.
Refering to Fig. 2, Fig. 3, Fig. 4, described dedusting round brush 13 is arranged on the rear of deduster 12 (left side), and dedusting round brush 13 is led
Body is the first multidiameter 20, and thick between the two ends detail of the first multidiameter 20, the mid portion of the first multidiameter 20 is cased with scrub-brush 21, under
End is arranged on shell 17 by clutch shaft bearing 22, and upper end is connected by first shaft coupling 23 with the first motor 24, the first motor
24 utilizations are bolted to the top of shell 17.
Refering to Fig. 2, Fig. 3 and Fig. 7, described steam dirt removing device 14 is located at the rear of dedusting round brush 13 (left side), and its main body is
Second strip aluminium sheet 25, the same L-shaped structure in the two ends of the second strip aluminium sheet 25, to be connected on shell 17, the second strip
Evenly spaced on aluminium sheet 25 to be provided with several steam mixing nozzles 26, each steam mixing nozzle 26 has an air inlet
With a water inlet, air inlet is connected by gas path pipe with air pump 4, and water inlet is connected to water tank 5 using pipeline.
Refering to Fig. 2, Fig. 3 and Fig. 6, described decontamination round brush 15 is arranged on the rear of steam dirt removing device 14 (left side), decontamination rolling
The main body of brush 15 is the second multidiameter 27, and thick between the two ends detail of the second multidiameter 27, the mid portion of the second multidiameter 27 is cased with fur
Brush 28, lower end is arranged on shell 17 by second bearing 29, and upper end is connected by second shaft coupling 30 with the second motor 31, the
Two motor 31 is utilized and is bolted to the top of shell 17.
Described air dryer 16 is arranged on the rear of decontamination round brush 15 (left side), and its structure is identical with deduster 12.
Described walking unit 3 is arranged on the bottom of body 1, including four groups of walking components 32, and each walking component 32 is main
It is made up of reducing motor 33 and road wheel 34, road wheel 34 is connected with reducing motor 33.
Refering to Fig. 8, guard rail cleaning machine device people also have singlechip controller 35, ultrasonic sensor 36, GPS module 37,
Acceleration transducer 38, high bright light 39, loudspeaker 40, rotatable camera 41, wireless data transfer module 42.Supersonic sensing
Device 36, GPS module 37, acceleration transducer 38, high bright light 39, loudspeaker 40, rotatable camera 41 respectively with single-chip microcomputer control
Device processed 35 is connected.Slave computer 43 is connected by wireless data transfer module 42 with singlechip controller phase 35.
Ultrasonic sensor 36 totally two, is placed in guard rail cleaning machine device people front, to detect preceding object thing and shield
Hurdle.GPS module 37 provides positional information, motion (the speed, acceleration) information that acceleration transducer 38 is provided.The He of high bright light 39
Loudspeaker 40 is placed in guard rail cleaning machine device people top, operationally warns car.It is clear that rotatable camera 41 is located at guardrail
Robot upper front part position is washed, personnel provide traffic information for remote control.Wireless data transfer module 42 cleans guardrail
The various data of robot pass slave computer 43 back.Whole device is powered using lithium battery 6.
Guardrail cleaning process：
Small intelligent guard rail cleaning machine device people is placed on into activate switch on guardrail, deduster 12, dedusting round brush 13, steam
Dirt removing device 14, decontamination round brush 15, air dryer 16 start simultaneously.During small intelligent guard rail cleaning machine device people moves forward, often
One piece of guardrail all through deduster 12, dedusting round brush 13, steam dirt removing device 14, decontamination round brush 15, air dryer 16 cleaning successively.
The floating ash on guardrail surface is tentatively blown away first with deduster 12, following dedusting round brush 13 further removes guardrail surface
On floating ash, then steam dirt removing device 14 other spots on guardrail are cleaned, afterwards decontamination round brush 15 cleaning guardrail table
The remaining spot in face, is finally air-dried using air dryer 16 to guardrail.The control of electric pushrod 9 cleaning in guardrail cleaning process
Unit 2 is in all the time innermost position, and high bright light 39 and loudspeaker 40 need to be always on when working in addition, to warn dealing car
.
Cleaning robot remote control process：
After small intelligent guard rail cleaning machine device people is moved on guardrail, small intelligent guard rail cleaning machine device people moves ahead simultaneously automatically
Cleaning guardrail.During moving ahead, small intelligent guard rail cleaning machine device people can utilize self-contained ultrasonic sensor 36
The guardrail position in front is detected, singlechip controller 35 adjusts the reducing motor in walking unit 3 according to detection case
33 rotating speed, realizes the left and right fine setting of whole device, to prevent robot from interfering collision with guardrail.Work as ultrasonic sensor
36 detect front when not having guardrail, and robot stops cleaning and moves to outermost by unit 2 is cleared up using electric pushrod 9, together
When robot send information to staff, and provide realtime graphic, staff for staff using camera 41
Next section guard, the loudspeaker in front of small intelligent guard rail cleaning machine device people are moved to according to the image control robot of the passback of camera 41
Mouth 7 increases robot into the allowed left and right offset ranges of guardrail, reduces the operation difficulty of staff.
Claims (7)
1. a kind of small intelligent guard rail cleaning machine device people, it is characterised in that：Including body (1), cleaning unit (2), walking unit
(3), air pump (4), water tank (5), slave computer (43), singlechip controller (35), ultrasonic sensor (36), GPS module (37),
Acceleration transducer (38), wireless data transfer module (42)；
Both sides are symmetrically installed with guide rail (8) and electric pushrod (9) in the middle of the body (1), and electric pushrod (9) one end is arranged on machine
On body (1), the other end is connected with cleaning unit (2)；The air pump (4), water tank (5) are installed in body (1) top, the walking
Unit (3) is installed in body (1) bottom；
Ultrasonic sensor (36), GPS module (37), acceleration transducer (38) are connected respectively with singlechip controller (35),
Slave computer (43) is connected by wireless data transfer module (42) with singlechip controller (35).
2. a kind of small intelligent guard rail cleaning machine device people according to claim 1, it is characterised in that：
The guide rail (8) is provided with eight, and the electric pushrod (9) is provided with four；Described cleaning unit (2) has two, often
Individual outside is mounted on four slide blocks (11), and four slide blocks (11) are separately mounted on the guide rail of body (1) (8), two cleanings
Unit (2) is by the flexible adjusting the distance between two cleaning units (2) of electric pushrod (9).
3. a kind of small intelligent guard rail cleaning machine device people according to claim 2, it is characterised in that：
The cleaning unit (2) includes deduster (12), dedusting round brush (13), steam dirt removing device (14), decontamination round brush (15), wind
Dry device (16) and shell (17)；
Positioned at the internal forefront of cleaning unit (2), its main body is the first strip aluminium sheet (18) to the deduster (12), and first grows
The L-shaped structure in bar aluminium sheet (18) two ends, for being connected to shell (17), on the first strip aluminium sheet (18) at least one is provided with
Individual high pressure gas blowout head (19), high pressure gas blowout head (19) is connected by gas path pipe with air pump (4)；
Installed in deduster (12) rear, dedusting round brush (13) main body is the first multidiameter (20) to the dedusting round brush (13), the
Thick between the detail of one multidiameter (20) two ends, the first multidiameter (20) mid portion is cased with scrub-brush (21), and lower end passes through first axle
(22) are held on shell (17), upper end is connected by first shaft coupling (23) with the first motor (24), the first motor (24)
It is fixed on shell (17) top；
Positioned at dedusting round brush (13) rear, its main body is the second strip aluminium sheet (25) to the steam dirt removing device (14), the second strip
The L-shaped structure in aluminium sheet (25) two ends, for being connected to shell (17), on the second strip aluminium sheet (25) at least one is provided with
Steam mixing nozzle (26), each steam mixing nozzle (26) has an air inlet and a water inlet, and air inlet passes through gas
Road pipeline is connected with air pump (4), and water inlet is connected to water tank (5) using pipeline；
Installed in steam dirt removing device (14) rear, decontamination round brush (15) main body is the second multidiameter to the decontamination round brush (15)
(27), thick between the detail of the second multidiameter (27) two ends, the second multidiameter (27) mid portion is cased with banister brush (28), and lower end passes through
On shell (17), upper end is connected second bearing (29) by second shaft coupling (30) with the second motor (31), and second is electric
Machine (31) is fixed on shell (17) top；
Described air dryer (16) is installed in decontamination round brush (15) rear, and its structure is identical with deduster (12)；
Described walking unit (3) includes four groups of walking components (32), and each walking component (32) is by reducing motor (33) and row
Wheel (34) composition is walked, road wheel (34) is connected with reducing motor (33).
4. a kind of small intelligent guard rail cleaning machine device people according to claim 1, it is characterised in that：
The ultrasonic sensor (36) totally two, be placed in guard rail cleaning machine device people front, to detect preceding object thing and
Guardrail.
5. a kind of small intelligent guard rail cleaning machine device people according to claim 1, it is characterised in that：
The small intelligent guard rail cleaning machine device people also includes high bright light (39), loudspeaker (40) and rotatable camera (41),
The high bright light (39), loudspeaker (40), rotatable camera (41) are connected respectively with singlechip controller (35)；
High bright light (39) and loudspeaker (40) are placed in guard rail cleaning machine device people top, and rotatable camera (41) is cleaned positioned at guardrail
Robot upper front part position.
6. a kind of small intelligent guard rail cleaning machine device people according to claim 1, it is characterised in that：
The small intelligent guard rail cleaning machine device people also includes lithium battery (6) and horn mouth (7)；Lithium battery (6) is installed in body
(1) top, described horn mouth (7) is installed in body (1) front end.
7. a kind of small intelligent guard rail cleaning machine device people according to claim 1, it is characterised in that：
Body (1) outside is provided with exhaust outlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134059.0U CN206153224U (en) | 2016-10-19 | 2016-10-19 | Small -size intelligent guardrail cleaning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621134059.0U CN206153224U (en) | 2016-10-19 | 2016-10-19 | Small -size intelligent guardrail cleaning robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206153224U true CN206153224U (en) | 2017-05-10 |
Family
ID=58654994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621134059.0U Withdrawn - After Issue CN206153224U (en) | 2016-10-19 | 2016-10-19 | Small -size intelligent guardrail cleaning robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206153224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424014A (en) * | 2016-10-19 | 2017-02-22 | 麻润朗 | Small intelligent guard bar cleaning robot |
| CN108104020A (en) * | 2017-12-18 | 2018-06-01 | 赵淑娟 | A kind of town road guard rail cleaning machine |
-
2016
- 2016-10-19 CN CN201621134059.0U patent/CN206153224U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424014A (en) * | 2016-10-19 | 2017-02-22 | 麻润朗 | Small intelligent guard bar cleaning robot |
| CN106424014B (en) * | 2016-10-19 | 2018-10-09 | 麻润朗 | Small intelligent guard rail cleaning machine device people |
| CN108104020A (en) * | 2017-12-18 | 2018-06-01 | 赵淑娟 | A kind of town road guard rail cleaning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20181009 |