CN114383094A - Dust-falling type lighting device for subway construction - Google Patents
Dust-falling type lighting device for subway construction Download PDFInfo
- Publication number
- CN114383094A CN114383094A CN202011137817.5A CN202011137817A CN114383094A CN 114383094 A CN114383094 A CN 114383094A CN 202011137817 A CN202011137817 A CN 202011137817A CN 114383094 A CN114383094 A CN 114383094A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cabinet body
- dust
- groove
- drawer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000005286 illumination Methods 0.000 abstract description 17
- 238000000889 atomisation Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/107—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using hinge joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/06—Bases for movable standing lamps; Fixing standards to the bases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/40—Hand grips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0048—Office articles, e.g. bookmarks, desk lamps with drawers, stands for books or music scores
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Multimedia (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a dust-fall type lighting device for subway construction, which comprises a cabinet body, a bottom plate A, a first universal wheel, a second universal wheel, a bottom plate B, a third universal wheel and a fourth universal wheel, wherein a first groove is formed in the surface of the cabinet body, a first drawer is arranged inside the first groove, a second groove is formed in the surface of the cabinet body, a second drawer is arranged inside the second groove, a third groove is formed in the surface of the cabinet body, and a third drawer is arranged inside the third groove. The invention has the main advantages that the dust-fall type illuminating device for subway construction is provided, the water tank is filled with water, the equipment is pushed to a construction area needing dust removal and illumination, the height can be adjusted according to actual conditions through the arrangement of the electric telescopic rod and the telescopic column, the dust-fall illumination is carried out on the construction area, the adaptability of the equipment is improved, and the dust removal and illumination efficiency of the equipment is further improved.
Description
Technical Field
The invention relates to the technical field of dust-fall type lighting devices, in particular to a dust-fall type lighting device for subway construction.
Background
The subway is a form of urban public transport, the term has two understandings and means that the urban rail transport system is mainly operated underground, namely the underground railway is short for, many such systems are used for matching building environment and considering construction and operation cost, the urban rail transport system can be converted into ground or elevated road sections in areas outside urban centers, the subway is a rapid large-traffic-volume urban rail transport mode which is gradually developed and formed along the form of a ground railway system and is pulled by electric power, the circuit of the subway is usually laid in an underground tunnel, some ways are laid outside the urban centers and are transferred from underground to ground or elevated bridges, a large amount of dust can be generated in the construction process of the subway, the illumination facilities of construction areas are poor, the construction progress is influenced, the existing dust-fall type illumination device for subway construction is poor in mobility, single in function and weak in dust-fall illumination effect, the construction progress is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a dust-fall type lighting device for subway construction, which solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a dust-fall type lighting device for subway construction comprises a cabinet body, wherein the bottom of the cabinet body is fixedly connected with an A bottom plate, one end of the bottom of the A bottom plate is fixedly connected with a first universal wheel, the other end of the bottom of the A bottom plate is fixedly connected with a second universal wheel, the bottom of the cabinet body is fixedly connected with a B bottom plate, one end of the bottom of the B bottom plate is fixedly connected with a third universal wheel, the other end of the bottom of the B bottom plate is fixedly connected with a fourth universal wheel, a first groove is formed in the surface of the cabinet body, a first drawer is arranged inside the first groove, a second groove is formed in the surface of the cabinet body, a second drawer is arranged inside the second groove, a third groove is formed in the surface of the cabinet body, a third drawer is arranged inside the third groove, a hinge is movably connected to the upper surface of the cabinet body, and a cover plate is movably connected to the cabinet body through the hinge, the utility model discloses a portable water heater, including the apron, the fixed surface of the apron is connected with the handle, the water tank groove has been seted up to the upper surface of the cabinet body, the inside in water tank groove is provided with the water tank, one side bottom fixedly connected with water pump of water tank, one side fixedly connected with water pipe of water pump, the last fixed surface of the cabinet body is connected with electric telescopic handle, one side fixedly connected with A atomizer of electric telescopic handle, electric telescopic handle's opposite side fixedly connected with B atomizer, the flexible post of last fixed surface of the cabinet body, the last fixed surface of flexible post is connected with the roof, bottom one side fixedly connected with A light of roof.
Optionally, the other side of the bottom of the top plate is fixedly connected with a lighting lamp B.
Optionally, a first handle is fixedly connected to a surface of the first drawer.
Optionally, a second handle is fixedly connected to a surface of the second drawer.
Optionally, a third handle is fixedly connected to a surface of the third drawer.
Optionally, a storage battery is arranged inside the third drawer.
(III) advantageous effects
The invention provides a dust-fall type lighting device for subway construction, which has the following beneficial effects:
the invention has the main advantages that the dust-fall type illuminating device for subway construction is provided, the water tank is filled with water, the equipment is pushed to a construction area needing dust removal and illumination, the water in the water tank can be conveyed to the A atomizing nozzle and the B atomizing nozzle through water pipes by a water pump, the A atomizing nozzle and the B atomizing nozzle can spray water to two sides of the construction area in a mist form to perform dust fall, the A illuminating lamp and the B illuminating lamp are powered by a storage battery to perform illumination, the height can be adjusted according to actual conditions through the arrangement of an electric telescopic rod and a telescopic column to perform dust fall and illumination on the construction area, the adaptability of the equipment is improved, and the dust removal and illumination efficiency of the equipment is further improved.
The invention has the main advantages that the dust-fall type lighting device for subway construction is provided, and through the arrangement of the first drawer and the second drawer, some objects and tools for subway construction can be placed in the first drawer and the second drawer, so that the diversity of equipment is improved, and the use efficiency of the equipment is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention.
In the figure: 1. a cabinet body; 2. a, a bottom plate; 3. a first universal wheel; 4. a second universal wheel; 5. b, a bottom plate; 6. a third universal wheel; 7. a fourth universal wheel; 8. a first drawer; 9. a second drawer; 10. a third drawer; 11. a cover plate; 12. a handle; 13. a water tank; 14. a water pump; 15. an electric telescopic rod; 16. a, atomizing spray heads; 17. b, atomizing spray heads; 18. a telescopic column; 19. a top plate; 20. a, illuminating a lamp; 21. b, lighting a lamp; 22. a first handle; 23. a second handle; 24. a third handle; 25. and (4) a storage battery.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: a dust-fall type lighting device for subway construction comprises a cabinet body 1, wherein the bottom of the cabinet body 1 is fixedly connected with an A bottom plate 2, one end of the bottom of the A bottom plate 2 is fixedly connected with a first universal wheel 3, the other end of the bottom of the A bottom plate 2 is fixedly connected with a second universal wheel 4, the bottom of the cabinet body 1 is fixedly connected with a B bottom plate 5, one end of the bottom of the B bottom plate 5 is fixedly connected with a third universal wheel 6, the other end of the bottom of the B bottom plate 5 is fixedly connected with a fourth universal wheel 7, a first groove is formed in the surface of the cabinet body 1, a first drawer 8 is arranged inside the first groove, a second groove is formed in the surface of the cabinet body 1, a second drawer 9 is arranged inside the second groove, a third groove is formed in the surface of the cabinet body 1, a third drawer 10 is arranged inside the third groove, a hinge is movably connected to the upper surface of the cabinet body 1, the cabinet body 1 is movably connected with a cover plate 11 through the hinge, fixed surface of apron 11 is connected with handle 12, the water tank groove has been seted up to the upper surface of the cabinet body 1, the inside in water tank groove is provided with water tank 13, one side bottom fixedly connected with water pump 14 of water tank 13, one side fixedly connected with water pipe of water pump 14, the last fixed surface of the cabinet body 1 is connected with electric telescopic handle 15, one side fixedly connected with A atomizer 16 of electric telescopic handle 15, electric telescopic handle 15's opposite side fixedly connected with B atomizer 17, the flexible post 18 of last fixed surface of the cabinet body 1, the last fixed surface of flexible post 18 is connected with roof 19, bottom one side fixedly connected with A light 20 of roof 19. The invention has the main advantages that the invention provides the dust-fall type illuminating device for subway construction, and articles and tools for subway construction can be placed in the water tank 13 through the arrangement of the first drawer and the second drawer, the water in the water tank 13 can be conveyed to the A atomizing nozzle 16 and the B atomizing nozzle 17 by the water pump 14, the water can be sprayed to the two sides of the construction area in a mist form by the A atomizing nozzle 16 and the B atomizing nozzle 17 to reduce dust, the A illuminating lamp 20 and the B illuminating lamp 21 are powered by the storage battery 25 to illuminate, the height can be adjusted according to actual conditions by the arrangement of the electric telescopic rod 15 and the telescopic column 18 to reduce dust and illuminate the construction area, so that the adaptability of the equipment is improved, and the dust-fall illuminating efficiency of the equipment is improved, the variety of equipment is improved, and then the availability factor of equipment is improved, for traditional dust fall formula lighting device for subway construction, this equipment more can conveniently assist the use according to user's needs, for example, through the setting of first universal wheel, the second universal wheel, third universal wheel and fourth universal wheel, can be according to actual conditions random movement equipment to construction area, provide the dust removal illumination, the portability of equipment has been improved, this dust fall formula lighting device for subway construction does not involve complicated technology and accurate component, moreover, the steam generator is simple in structure, and is practical and convenient, and the raw and other materials source of this equipment is extensive, and is with low costs, can effectually satisfy the demand in market, therefore, dust fall formula lighting device for subway construction has good market prospect and space.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In summary, the dust-fall type illumination device for subway construction has the main advantages that when the dust-fall type illumination device is used, water is filled in the water tank, equipment is pushed to a construction area needing dust removal and illumination, the water in the water tank can be conveyed to the A atomization nozzle and the B atomization nozzle through the water pipes, the A atomization nozzle and the B atomization nozzle can spray water to two sides of the construction area in a mist form to remove dust, the A illumination lamp and the B illumination lamp are powered by the storage battery to illuminate, the height of the construction area can be adjusted according to actual conditions through the arrangement of the electric telescopic rod and the telescopic column to remove dust and illuminate the construction area, the adaptability of the equipment is improved, and further the dust removal and illumination efficiency of the equipment is improved. The diversity of equipment is improved, and then the service efficiency of equipment is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a be used for subway construction to use dust fall formula lighting device, includes the cabinet body (1), its characterized in that: the bottom of the cabinet body (1) is fixedly connected with an A bottom plate (2), one end of the bottom of the A bottom plate (2) is fixedly connected with a first universal wheel (3), the other end of the bottom of the A bottom plate (2) is fixedly connected with a second universal wheel (4), the bottom of the cabinet body (1) is fixedly connected with a B bottom plate (5), one end of the bottom of the B bottom plate (5) is fixedly connected with a third universal wheel (6), the other end of the bottom of the B bottom plate (5) is fixedly connected with a fourth universal wheel (7), a first groove is formed in the surface of the cabinet body (1), a first drawer (8) is arranged inside the first groove, a second groove is formed in the surface of the cabinet body (1), a second drawer (9) is arranged inside the second groove, a third groove is formed in the surface of the cabinet body (1), and a third drawer (10) is arranged inside the third groove, the improved water-saving cabinet is characterized in that the upper surface of the cabinet body (1) is movably connected with a hinge, the cabinet body (1) is movably connected with a cover plate (11) through the hinge, the surface of the cover plate (11) is fixedly connected with a handle (12), the upper surface of the cabinet body (1) is provided with a water tank, the inside of the water tank is provided with the water tank (13), the bottom of one side of the water tank (13) is fixedly connected with a water pump (14), one side of the water pump (14) is fixedly connected with a water pipe, the upper surface of the cabinet body (1) is fixedly connected with an electric telescopic rod (15), one side of the electric telescopic rod (15) is fixedly connected with an A atomizing nozzle (16), the other side of the electric telescopic rod (15) is fixedly connected with a B atomizing nozzle (17), the upper surface of the cabinet body (1) is fixedly connected with a telescopic column (18), and the upper surface of the telescopic column (18) is fixedly connected with a top plate (19), and one side of the bottom of the top plate (19) is fixedly connected with an illuminating lamp A (20).
2. The dust-fall type lighting device for subway construction according to claim 1, characterized in that: the other side of the bottom of the top plate (19) is fixedly connected with a lighting lamp B (21).
3. The dust-fall type lighting device for subway construction according to claim 1, characterized in that: the surface of the first drawer (8) is fixedly connected with a first handle (22).
4. The dust-fall type lighting device for subway construction according to claim 1, characterized in that: and a second handle (23) is fixedly connected to the surface of the second drawer (9).
5. The dust-fall type lighting device for subway construction according to claim 1, characterized in that: and a third handle (24) is fixedly connected to the surface of the third drawer (10).
6. The dust-fall type lighting device for subway construction according to claim 1, characterized in that: and a storage battery (25) is arranged in the third drawer (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011137817.5A CN114383094A (en) | 2020-10-22 | 2020-10-22 | Dust-falling type lighting device for subway construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011137817.5A CN114383094A (en) | 2020-10-22 | 2020-10-22 | Dust-falling type lighting device for subway construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114383094A true CN114383094A (en) | 2022-04-22 |
Family
ID=81194062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011137817.5A Pending CN114383094A (en) | 2020-10-22 | 2020-10-22 | Dust-falling type lighting device for subway construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114383094A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205332067U (en) * | 2016-01-18 | 2016-06-22 | 郑州大学 | Novel area spraying device |
CN108413336A (en) * | 2018-02-10 | 2018-08-17 | 赵小波 | A kind of energy-saving lifting street lamp of self-power generation type with sprinkle water function |
CN208794258U (en) * | 2018-11-19 | 2019-04-26 | 廊坊耀星光电科技有限公司 | A kind of High-Pole Lamp of lift |
CN211526245U (en) * | 2019-12-17 | 2020-09-18 | 中建四局土木工程有限公司 | Searchlighting tool for highway construction |
-
2020
- 2020-10-22 CN CN202011137817.5A patent/CN114383094A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205332067U (en) * | 2016-01-18 | 2016-06-22 | 郑州大学 | Novel area spraying device |
CN108413336A (en) * | 2018-02-10 | 2018-08-17 | 赵小波 | A kind of energy-saving lifting street lamp of self-power generation type with sprinkle water function |
CN208794258U (en) * | 2018-11-19 | 2019-04-26 | 廊坊耀星光电科技有限公司 | A kind of High-Pole Lamp of lift |
CN211526245U (en) * | 2019-12-17 | 2020-09-18 | 中建四局土木工程有限公司 | Searchlighting tool for highway construction |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207018973U (en) | A kind of multifunctional solar energy streetlight | |
CN205332067U (en) | Novel area spraying device | |
CN202438520U (en) | Solar-energy photovoltaic assembly surface cleaning device | |
CN108544956A (en) | A kind of adjustable solar power automobile charging pile | |
CN109594772A (en) | A kind of atomizing humidifying performance dust suppression equipment of environmental project site operation | |
CN206093877U (en) | Multifunctional street lamp | |
CN114383094A (en) | Dust-falling type lighting device for subway construction | |
CN212888195U (en) | Water-saving spray curing device for concrete building structure | |
CN203949087U (en) | A kind of multifunctional solar energy streetlight | |
CN206191488U (en) | Intelligence citylight | |
CN207584612U (en) | A kind of cleaning type solar street light | |
CN207385985U (en) | A kind of municipal administration light pole cleaning device | |
CN205518731U (en) | Traffic lights cleaning brush based on 6 -degree of freedom motion | |
CN202427593U (en) | Environmentally-friendly efficient water vortex spray chamber | |
CN211537041U (en) | Building engineering construction is with portable dust device | |
CN205753602U (en) | A kind of mobile solar mobile phone charging stake | |
CN208320294U (en) | A kind of device reducing dust concentration for road engineering | |
CN207230398U (en) | Solar street light | |
CN217176690U (en) | Dust device is used in engineering construction in pit | |
CN202460926U (en) | Environment-friendly and high-efficiency moveable water-whirling spraying chamber | |
CN217247741U (en) | Umbrella-like dust removal equipment for construction site for road construction | |
CN216619641U (en) | Split type solar street lamp | |
CN215692729U (en) | A raise dust cleaning device for environmental protection | |
CN217662270U (en) | Dust device for constructional engineering construction | |
CN217312537U (en) | Dustproof device for constructional engineering |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |