CN206859138U - A kind of multi-angle tunnel dedusting car - Google Patents
A kind of multi-angle tunnel dedusting car Download PDFInfo
- Publication number
- CN206859138U CN206859138U CN201720338859.2U CN201720338859U CN206859138U CN 206859138 U CN206859138 U CN 206859138U CN 201720338859 U CN201720338859 U CN 201720338859U CN 206859138 U CN206859138 U CN 206859138U
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- China
- Prior art keywords
- dust
- car body
- induced
- electric expansion
- draught fan
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Abstract
The utility model discloses a kind of multi-angle tunnel dedusting car,Including car body,The lower end of car body is arranged with pillar,The bottom of pillar is equipped with wheel,The upper end side of car body is provided with controller,The front side car body upper surface of controller is respectively equipped with dust collecting box,Electrostatic precipitator and induced-draught fan,Electrostatic precipitator is between dust collecting box and induced-draught fan,And dust collecting box is connected with electrostatic precipitator by conduit,The air outlet of electrostatic precipitator and induced-draught fan is connected by conduit,The upper end of dust collecting box is provided with dust filter unit,The upper end of dust filter unit is provided with air outlet,The upper end of induced-draught fan is provided with cyclone dust collectors,The inlet scoop of induced-draught fan is connected with cyclone dust collectors by pipeline,The upper end of cyclone dust collectors is provided with gravitational precipitator,The upper end of gravitational precipitator is provided with connecting tube,The structure can be with multi-angle to tunnel inner wall and floor cleaning dedusting,The participation of personnel can be reduced,Meets the needs of tunnel cleans dedusting.
Description
Technical field
Technical field of dust removal equipment is the utility model is related to, specially a kind of multi-angle tunnel dedusting car.
Background technology
With highway construction, the quantity in tunnel is increasing, and length of tunnel is also lengthening, due to the air stream in tunnel
It is logical just particularly important, but increasing with vehicle, substantial amounts of vehicle exhaust is often produced in tunnel, because gas is not easy to circulate,
That causes particulate matter in Vehicular exhaust easily attaches tunnel inner wall, dedusting car at this stage, the inconvenience of dedusting angular adjustment, it is impossible to
Comprehensive cleaning is carried out to tunnel, and the artificial dynamics of participation of needs is larger, the operating pressure of sanitationman is larger.
The content of the invention
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of multi-angle tunnel dedusting car,
Comprehensive cleaning tunnel inner wall and ground, brought great convenience to tunnel cleaning, and vehicle-mounted dedusting equipment is without prejudice to friendship
Logical order, the dust cleared pass through multiple filtration, and efficiently one, further optimizes tunnel environment, can effectively solve
The problem of in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of multi-angle tunnel dedusting car, including car
Body, the lower end of the car body are arranged with pillar, and the bottom of the pillar is equipped with wheel, and the upper end side of the car body is provided with
Controller, the front side car body upper surface of the controller is respectively equipped with dust collecting box, electrostatic precipitator and induced-draught fan, described quiet
Electric cleaner is between dust collecting box and induced-draught fan, and dust collecting box is connected with electrostatic precipitator by conduit, electrostatic
The exhaust outlet of deduster and induced-draught fan is connected by conduit, and the upper end of the dust collecting box is provided with dust filter unit, the powder
The upper end of dirt filter is provided with air outlet, and the upper end of the induced-draught fan is provided with cyclone dust collectors, the inlet scoop of induced-draught fan and whirlwind
Deduster is connected by pipeline, and the upper end of the cyclone dust collectors is provided with gravitational precipitator, and the upper end of the gravitational precipitator is set
There are connecting tube, the other end connection dust-catching board of the connecting tube, and connecting tube communicates with the internal cavities of dust-catching board, the car body
Upper center electric expansion bar is tilted by be hinged be provided with of bearing, the front side car body upper surface for tilting electric expansion bar is set
There is vertical electric expansion bar, the upper end of the vertical electric expansion bar is articulated with the surface for tilting electric expansion bar, the inclination
The upper end of electric expansion bar is fixedly connected with dust-catching board, is cavity inside the dust-catching board, and dust-catching board is sector structure, the suction
Sweep-up pipe is uniformly provided with the top of dirt plate, the sweep-up pipe is vertical with the surface of dust-catching board with arc, one end of sweep-up pipe with
The internal cavities of dust-catching board communicate, and the other end of sweep-up pipe is enclosed with screen pack, and the upper end opposite side of the car body is provided with electronic
Telescopic platform, the upper end of the electric expansion platform are provided with Ladder type column, and the upper end of the Ladder type column is equipped with electric telescopic arm, institute
The upper end for stating electric telescopic arm is equipped with motor, and the output shaft of the motor is all connected with rotating cylinder by shaft coupling
Hairbrush, the vertical electric expansion bar, tilt electric expansion bar, electric expansion platform, induced-draught fan, cyclone dust collectors, gravitational dust collection
Device, motor, electric telescopic arm and electrostatic precipitator electrical connection controller, the controller electrically connect external power source.
It is described as a kind of optimal technical scheme of the present utility model, the side connection rubber tube of the gravitational precipitator
The lower end side of car body is provided with dust-absorbing box, and the other end of the rubber tube through the lower surface of car body and connects dust-absorbing box, described
The lower end of dust-absorbing box is uniformly provided with cleaner head, and the port of the cleaner head is enclosed with screen pack.
As a kind of optimal technical scheme of the present utility model, the internal cavities of the car body are provided with motor, the motor
Output shaft through vehicle body cavity lower end and be connected by shaft coupling with rotating shaft, in the output shaft and car body of the motor
The lower end junction of portion's cavity is provided with bearing, and the lower end connection rotating disk of the rotating shaft, the rotating disk lower end is provided with bristle, described
Motor electrically connects controller.
As a kind of optimal technical scheme of the present utility model, the electric telescopic arm is three, and both sides electric expansion
The upper surface of arm and car body angle at 45 °, the upper surface angle in 90 ° of middle electric telescopic arm and car body, middle electric expansion
The motor both sides on arm top are equipped with rotating cylinder hairbrush.
As a kind of optimal technical scheme of the present utility model, the rubber tube and connecting tube are elastic caoutchouc flexible pipe.
As a kind of optimal technical scheme of the present utility model, the rotating cylinder hairbrush can be high temperature resistant nylon or PP silks
One kind therein.
Compared with prior art, the beneficial effects of the utility model are：The utility model can according to the height in tunnel and
Angle, the proper operation position of cleaning device is adjusted in real time, to clear up tunnel inner wall and road, it is also timely to clear up the dust to get off
Absorbing, handling by way of depositing dust, environmental protection is quick, can save human resources, and car kits are also handed over without prejudice to normal
Logical order.
Brief description of the drawings
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is the utility model bottom dust absorbing structure diagrammatic cross-section；
Fig. 4 is mplifying structure schematic diagram at the utility model A；
Fig. 5 is the utility model bottom airborne dust structural profile illustration；
Fig. 6 is mplifying structure schematic diagram at the utility model B.
In figure：1 car body, 2 controllers, 3 wheels, 4 pillars, 5 vertical electric expansion bars, 6 tilt electric expansion bars, 7 electronic
Telescopic platform, 8 induced-draught fans, 9 cyclone dust collectors, 10 gravitational precipitators, 11 dust collecting boxes, 12 dust filter units, 13 air outlets, 14
It is electrostatic precipitator, 15 dust-catching boards, 16 rotating cylinder hairbrush, 17 motors, 18 connecting tubes, 19 motors, 20 sweep-up pipes, 21 electronic
Telescopic arm, 22 rotating shafts, 23 cleaner heads, 24 dust-absorbing box, 25 Ladder type columns, 26 rotating disks, 27 rubber tubes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-6 are referred to, the utility model provides a kind of technical scheme：A kind of multi-angle tunnel dedusting car, including car body
1, the lower end of car body 1 is arranged with pillar 4, and the bottom of pillar 4 is equipped with wheel 3, and the upper end side of car body 1 is provided with controller 2,
The upper surface of front side car body 1 of controller 2 is respectively equipped with dust collecting box 11, electrostatic precipitator 14 and induced-draught fan 8, electrostatic precipitator
14 between dust collecting box 11 and induced-draught fan 8, and dust collecting box 11 is connected with electrostatic precipitator 14 by conduit, electrostatic
Deduster 14 is connected with the exhaust outlet of induced-draught fan 8 by conduit, in the presence of high-pressure electrostatic, most dust in dust
Adsorbed filtering, the upper end of dust collecting box 11 are provided with dust filter unit 12, the dust after being filtered by electrostatic precipitator 14, flowing
Enter in dust collecting box 11, then the further filtering by dust filter unit 12, the upper end of dust filter unit 12 are provided with air outlet
13, after the further filtering of dust filter unit 12, the gas given off discharges the inflow external world, induced-draught fan 8 from air outlet 13
Upper end be provided with cyclone dust collectors 9, the inlet scoop of induced-draught fan 8 is connected with cyclone dust collectors 9 by pipeline, cyclone dust collectors 9
Upper end is provided with gravitational precipitator 10, the dust of suction, first passes through gravitational precipitator 10 and does first step dust separation, due to gravity from
The reason for being separated in air-flow, the larger solid particle of granularity is separated, the gas come out from gravitational precipitator 10, pass through pipe
Road is flowed into cyclone dust collectors 9, and in cyclone dust collectors 9, dust granule passes through centrifugal action, and the larger particle of gravity is separated
Out, the upper end of gravitational precipitator 10 is provided with connecting tube 18, the other end connection dust-catching board 15 of connecting tube 18, and connecting tube 18 with
The internal cavities of dust-catching board 15 communicate, and the upper center of car body 1 tilts electric expansion bar 6 by be hinged be provided with of bearing, tilts electricity
The upper surface of front side car body 1 of dynamic expansion link 6 is provided with vertical electric expansion bar 5, and the upper end of vertical electric expansion bar 5 is articulated with inclination
The surface of electric expansion bar 6, the rotational angle for tilting electric expansion bar 6 is carried out by the lifting of vertical electric expansion bar 5
Control, used to adapt to the tunnel of different structure, the upper end for tilting electric expansion bar 6 is fixedly connected with dust-catching board 15, dust-catching board 15
Inside is cavity, and dust-catching board 15 is sector structure, the dust-catching board 15 of sector structure can more large contact surface absorption by airborne dust
The dust to get off, the top of dust-catching board 15 are uniformly provided with sweep-up pipe 20, and the surface of sweep-up pipe 20 and arc and dust-catching board 15 is hung down
Directly, one end of sweep-up pipe 20 communicates with the internal cavities of dust-catching board 15, and the other end of sweep-up pipe 20 is enclosed with screen pack, screen pack
Setting, the impurity for preventing other volumes larger is inhaled into sweep-up pipe 20, results in blockage, and the upper end opposite side of car body 1 is provided with
Electric expansion platform 7, the upper end of electric expansion platform 7 are provided with Ladder type column 25, and the upper end of Ladder type column 25 is equipped with electric telescopic arm
21, the upper end of electric telescopic arm 21 is equipped with motor 17, and the output shaft of motor 17 is all connected with rotating by shaft coupling
Roller brush 16, under the drive of motor 17, rotating cylinder hairbrush 16 is rotated, and tunnel wall body is scrubbed to reach so as to realize
The effect of airborne dust, electric telescopic arm 21 are three, and the electric telescopic arm 21 of both sides and the upper surface angle at 45 ° of car body 1, in
Between electric telescopic arm 21 and car body 1 upper surface angle in 90 °, 17 liang of the motor on the middle top of electric telescopic arm 21
Side is equipped with rotating cylinder hairbrush 16, so more preferable multi-angle, it is comprehensive tunnel wall body is scrubbed, rotating cylinder hairbrush 16 can
For high temperature resistant nylon or PP silks one kind therein, such rotating cylinder hairbrush 16 more Wear-resistant, high-temperature resistant, gravitational precipitator 10
Side connection rubber tube 27, the lower end side of car body 1 is provided with dust-absorbing box 24, and the other end of rubber tube 27 runs through under car body 1
Surface simultaneously connects dust-absorbing box 24, and the lower end of dust-absorbing box 24 is uniformly provided with cleaner head 23, and the port of cleaner head 23 is enclosed with screen pack,
The rubbish that screen pack prevents ground volume larger, which is sucked into cleaner head 23, to result in blockage, and rubber tube 27 and connecting tube 18 are bullet
Property rubber hose, the internal cavities of car body 1 are provided with motor 19, the output shaft of motor 19 through the lower end of the internal cavities of car body 1 simultaneously
It is connected by shaft coupling with rotating shaft 22, the output shaft of motor 19 is provided with bearing with the lower end junction of the internal cavities of car body 1, turns
The lower end connection rotating disk 26 of axle 22, the lower end of rotating disk 26 is provided with bristle, under the driving of motor 19, the concomitant rotation of rotating disk 26, and rotating disk
The bristle of lower end scrubs ground, and the dust airborne dust for being attached to ground, in the presence of induced-draught fan 8, cleaner head 20 can mistake
Timely the dirt absorption that airborne dust gets up is entered to give a dinner of welcome in box 24, and then by electrostatic precipitator 14, the layer of dust filter unit 12
Dust removing effects are realized in layer filtering, and vertical electric expansion bar 5, inclination electric expansion bar 6, electric expansion platform 7, induced-draught fan 8, whirlwind remove
Dirt device 9, gravitational precipitator 10, motor 17, motor 19, electric telescopic arm 21 and electrostatic precipitator electrical connection controller 2, control
Device 2 processed electrically connects external power source.
When in use：Controller 2 controls motor 17 to operate, and under the drive of motor 17, makes rotating cylinder hair
Brush 16 rotates, and so as to scrub tunnel wall body, tunnel inner wall dust airborne dust is attached to, kicks up the dust come by sweep-up pipe 20
Timely it is drawn into dust-catching board 15, then is flowed into by connecting tube 18 in gravitational precipitator 10, cyclone dust collectors 9, by layer by layer
Dedusting, under the driving of motor 19, the rotation of rotating disk 26 is driven, the lower end bristle of rotating disk 26 is scrubbed ground, being attached to ground
Dust airborne dust get up, kicking up the dust come can be absorbed into box 24 of giving a dinner of welcome by cleaner head 23 in time, then be inhaled by rubber tube 27
Enter induced-draught fan 8, gas flows into electrostatic precipitator 14 from the exhaust outlet of induced-draught fan 8, is acted on by the high-pressure electrostatic of electrostatic precipitation 14
Further dedusting, flow into afterwards in dust collecting box 11, then the effect by dust filter unit 12, residual gas drain into outer
Boundary, the rotational angle for tilting electric expansion bar 6 is controlled by the lifting of vertical electric expansion bar 5, and then realizes and inhale
The angle of dirt and height are adjusted, and are used to adapt to the tunnel of different structure, electronic are stretched to each by the lifting of electric expansion platform 7
The extendable room control of contracting arm 21.
Controller 2 controls the operating of motor 17 and motor 19 in the utility model, makes rotating cylinder hairbrush 16 with turning
The rotation of disk 26, to realize the effect of airborne dust, controller 2 adjusts induced-draught fan 8 and worked, enable sweep-up pipe 20 and cleaner head 23 and
The dust suction that Shi Yangqi comes, dedusting is realized by layering, by the lifting of vertical electric expansion bar 5 come electronic to tilting
The rotational angle of expansion link 6 is controlled, and then realizes that the angle of dust suction and height are adjusted, and passes through the lifting of electric expansion platform 7
The extendable room of each electric telescopic arm 21 is adjusted, car body 1 is easy to dust arrester arbitrarily to move in addition, convenient one, operation
Simply, environmental sanitation work is also preferably served.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that can and and its equivalent restriction real to these in the case where not departing from principle of the present utility model and spirit.
Claims (6)
1. a kind of multi-angle tunnel dedusting car, including car body（1）, it is characterised in that：The car body（1）Lower end be arranged with branch
Post（4）, the pillar（4）Bottom be equipped with wheel（3）, the car body（1）Upper end side be provided with controller（2）, it is described
Controller（2）Front side car body（1）Upper surface is respectively equipped with dust collecting box（11）, electrostatic precipitator（14）And induced-draught fan（8）,
The electrostatic precipitator（14）Positioned at dust collecting box（11）And induced-draught fan（8）Between, and dust collecting box（11）Removed with electrostatic
Dirt device（14）Connected by conduit, electrostatic precipitator（14）With induced-draught fan（8）Exhaust outlet connected by conduit, the dust is received
Header（11）Upper end be provided with dust filter unit（12）, the dust filter unit（12）Upper end be provided with air outlet（13）, it is described
Induced-draught fan（8）Upper end be provided with cyclone dust collectors（9）, induced-draught fan（8）Inlet scoop and cyclone dust collectors（9）Pass through pipeline phase
Even, the cyclone dust collectors（9）Upper end be provided with gravitational precipitator（10）, the gravitational precipitator（10）Upper end be provided with connection
Pipe（18）, the connecting tube（18）The other end connection dust-catching board（15）, and connecting tube（18）With dust-catching board（15）Inside it is empty
Chamber communicates, the car body（1）Upper center electric expansion bar is tilted by be hinged be provided with of bearing（6）, it is described to tilt electronic stretch
Contracting bar（6）Front side car body（1）Upper surface is provided with vertical electric expansion bar（5）, the vertical electric expansion bar（5）Upper end hinge
It is connected to inclination electric expansion bar（6）Surface, the inclination electric expansion bar（6）Upper end be fixedly connected with dust-catching board（15）, institute
State dust-catching board（15）Inside is cavity, and dust-catching board（15）For sector structure, the dust-catching board（15）Top be uniformly provided with suction
Dirt pipe（20）, the sweep-up pipe（20）With arc and dust-catching board（15）Surface it is vertical, sweep-up pipe（20）One end and dust suction
Plate（15）Internal cavities communicate, sweep-up pipe（20）The other end be enclosed with screen pack, the car body（1）Upper end opposite side set
There is electric expansion platform（7）, the electric expansion platform（7）Upper end be provided with Ladder type column（25）, the Ladder type column（25）It is upper
End is equipped with electric telescopic arm（21）, the electric telescopic arm（21）Upper end be equipped with motor（17）, the driving electricity
Machine（17）Output shaft rotating cylinder hairbrush is all connected with by shaft coupling（16）, the vertical electric expansion bar（5）, tilt it is electronic
Expansion link（6）, electric expansion platform（7）, induced-draught fan（8）, cyclone dust collectors（9）, gravitational precipitator（10）, motor（17）、
Electric telescopic arm（21）Controller is electrically connected with electrostatic precipitator（2）, the controller（2）Electrically connect external power source.
A kind of 2. multi-angle tunnel dedusting car according to claim 1, it is characterised in that：The gravitational precipitator（10）'s
Side connection rubber tube（27）, the car body（1）Lower end side be provided with dust-absorbing box（24）, the rubber tube（27）The other end
Through car body（1）Lower surface and connect dust-absorbing box（24）, the dust-absorbing box（24）Lower end be uniformly provided with cleaner head（23）, institute
State cleaner head（23）Port be enclosed with screen pack.
A kind of 3. multi-angle tunnel dedusting car according to claim 1, it is characterised in that：The car body（1）Inside it is empty
Chamber is provided with motor（19）, the motor（19）Output shaft run through car body（1）The lower end of internal cavities and by shaft coupling with turn
Axle（22）Connection, the motor（19）Output shaft and car body（1）The lower end junction of internal cavities is provided with bearing, described turn
Axle（22）Lower end connection rotating disk（26）, the rotating disk（26）Lower end is provided with bristle, the motor（19）Electrically connect controller
（2）.
A kind of 4. multi-angle tunnel dedusting car according to claim 1, it is characterised in that：The electric telescopic arm（21）For
Three, and the electric telescopic arm of both sides（21）With car body（1）Upper surface angle at 45 °, middle electric telescopic arm（21）With
Car body（1）Upper surface angle in 90 °, middle electric telescopic arm（21）The motor on top（17）Both sides are equipped with rotation
Roller brush（16）.
A kind of 5. multi-angle tunnel dedusting car according to claim 2, it is characterised in that：The rubber tube（27）With being connected
Pipe（18）It is elastic caoutchouc flexible pipe.
A kind of 6. multi-angle tunnel dedusting car according to claim 1, it is characterised in that：The rotating cylinder hairbrush（16）
Can be high temperature resistant nylon or PP silks one kind therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338859.2U CN206859138U (en) | 2017-04-01 | 2017-04-01 | A kind of multi-angle tunnel dedusting car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338859.2U CN206859138U (en) | 2017-04-01 | 2017-04-01 | A kind of multi-angle tunnel dedusting car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206859138U true CN206859138U (en) | 2018-01-09 |
Family
ID=60817061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338859.2U Expired - Fee Related CN206859138U (en) | 2017-04-01 | 2017-04-01 | A kind of multi-angle tunnel dedusting car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206859138U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387849A (en) * | 2019-08-01 | 2019-10-29 | 浦江次方环保科技有限公司 | A kind of tunnel dome clearing apparatus |
| CN110575985A (en) * | 2018-06-04 | 2019-12-17 | 蓝思科技（长沙）有限公司 | Hot bender cleaning device and hot bender cleaning system |
| CN112227281A (en) * | 2020-10-13 | 2021-01-15 | 瞿启芳 | Tunnel cleaning device based on piston effect |
| CN112281723A (en) * | 2020-11-03 | 2021-01-29 | 湖北文理学院 | Integrated equipment is collected in tunnel cleaning |
| CN112922664A (en) * | 2021-01-22 | 2021-06-08 | 丁小强 | Tunnel construction dust removal smoke abatement auxiliary ventilation device |
| CN113289444A (en) * | 2021-06-10 | 2021-08-24 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
| CN116237281A (en) * | 2023-01-10 | 2023-06-09 | 中国矿业大学 | Roadway cleaning dust collection vehicle |
-
2017
- 2017-04-01 CN CN201720338859.2U patent/CN206859138U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575985A (en) * | 2018-06-04 | 2019-12-17 | 蓝思科技（长沙）有限公司 | Hot bender cleaning device and hot bender cleaning system |
| CN110387849A (en) * | 2019-08-01 | 2019-10-29 | 浦江次方环保科技有限公司 | A kind of tunnel dome clearing apparatus |
| CN112227281A (en) * | 2020-10-13 | 2021-01-15 | 瞿启芳 | Tunnel cleaning device based on piston effect |
| CN112281723A (en) * | 2020-11-03 | 2021-01-29 | 湖北文理学院 | Integrated equipment is collected in tunnel cleaning |
| CN112922664A (en) * | 2021-01-22 | 2021-06-08 | 丁小强 | Tunnel construction dust removal smoke abatement auxiliary ventilation device |
| CN113289444A (en) * | 2021-06-10 | 2021-08-24 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
| CN113289444B (en) * | 2021-06-10 | 2022-06-10 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
| CN116237281A (en) * | 2023-01-10 | 2023-06-09 | 中国矿业大学 | Roadway cleaning dust collection vehicle |
| CN116237281B (en) * | 2023-01-10 | 2023-08-04 | 中国矿业大学 | Roadway cleaning dust collection vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20190401 |