CN110438925A - A kind of road construction curing means - Google Patents
A kind of road construction curing means Download PDFInfo
- Publication number
- CN110438925A CN110438925A CN201910740759.6A CN201910740759A CN110438925A CN 110438925 A CN110438925 A CN 110438925A CN 201910740759 A CN201910740759 A CN 201910740759A CN 110438925 A CN110438925 A CN 110438925A
- Authority
- CN
- China
- Prior art keywords
- metal
- wall
- metal cap
- road construction
- telescopic rod
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
Abstract
The invention belongs to road construction technical fields, especially a kind of road construction curing means, for existing road maintenance device, be inconvenient to adjust, the larger problem of dust in the course of work, now propose following scheme, including metal cap, the metal cap top is equipped on one side cares for component, the metal cap two sides are rotatably connected to support arm, and two support arm one end are hinged with the first hydraulic telescopic rod, two first hydraulic telescopic rod one end are rotatablely connected with metal cap two sides outer wall respectively, and two support arms are rotatably connected to idler wheel far from first hydraulic telescopic rod one end, the metal cap inner wall is hinged with scraper plate, scraper plate side wall both sides are welded with hinged block, and two hinged blocks are hinged with the second hydraulic telescopic rod.The present invention adjusts cleaning effect and facilitates in combination with the scraper plate of setting and root out the clinker on road surface, reduce maintenance of surface difficulty, improve working efficiency to adjust motorized roller at a distance from ground.
Description
Technical field
The present invention relates to road construction technical field more particularly to a kind of road construction curing means.
Background technique
Road is from the infrastructure that the meaning of a word is exactly for various trackless vehicles and walk；It is needed during road construction
Road maintenance is carried out, road maintenance is conducive to be promoted the service life of road, and traditional road maintenance uses nourishment, consumption
When effort, road maintenance device solves this problem.
But existing road maintenance device, it has not been convenient to adjust, dust is larger in the course of work, so now proposing a kind of road
Curing means is built on road.
Summary of the invention
Based on existing road maintenance device, it has not been convenient to adjust, the larger technical problem of dust in the course of work, the present invention
Propose a kind of road construction curing means.
A kind of road construction curing means proposed by the present invention, including metal cap, the metal cap top is equipped on one side leads
Hanging component, the metal cap two sides are rotatably connected to support arm, and two support arm one end are hinged with the first hydraulically extensible
Bar, two first hydraulic telescopic rod one end are rotatablely connected with metal cap two sides outer wall respectively, and two support arms are far from the
One hydraulic telescopic rod one end is rotatably connected to idler wheel, and the metal cap inner wall is hinged with scraper plate, and scraper plate side wall both sides are equal
It is welded with hinged block, and two hinged blocks are hinged with the second hydraulic telescopic rod, two second hydraulic telescopic rod one end point
It is not rotatablely connected with metal cap two sides outer wall, the scraper plate side wall is provided with the inclined hole equidistantly distributed, and inclined hole inner wall is spirally connected
There is water spout, far from component one end is cared for equipped with dust collection mechanism, the metal cap inner wall has been bolted the metal cap
Motorized roller, and motorized roller side wall is equipped with nylon burr.
Preferably, the component of caring for includes the metal dish for being fixed at metal cap top side, and metal dish top
Outer wall is rotatably connected to the first guiding piece, and first guiding piece is hinged with the second guiding piece on one side.
Preferably, the dust collection mechanism includes that the metal outer cylinder of metal cap side, and metal outer cylinder bottom end is arranged in welding
Outer wall is welded with the suspended hood inside connection metal cap, is inserted with metal inner cylinder, the metal inner cylinder inside the metal outer cylinder
One end passes through metal outer cylinder one end, and described metal outer cylinder one end is welded with the wind sucting tube being vertically arranged, and wind sucting tube top is spirally connected
There is air nozzle, metal inner cylinder top outer wall is provided with rectangular opening.
Preferably, aspiration channel is inserted in the wind sucting tube, and aspiration channel one end passes through wind sucting tube side wall, the aspiration channel
One end is welded with metal net cylinder, and aspiration channel is welded with cylindrical metallic cover close to metal net cylinder one end.
Preferably, described metal outer cylinder one end has been bolted motor, and motor output shaft passes through metal outer cylinder side
Wall has been bolted auger bar.
Preferably, metal inner cylinder two sides outer wall welds the link block equidistantly distributed, and outside link block and metal
Cylinder inner wall is bolted.
Preferably, metal cap top outer wall has been bolted suction ventilator, and aspiration channel one end and suction ventilator
Suction end connection.
Preferably, the metal cap two sides are provided with arcuate socket, and two support arm side walls are bolted with pin rod, two institutes
Pin rod is stated to be slidably connected with two arcuate socket inner walls respectively.
Preferably, the wind sucting tube bottom end is bolted with blowdown sprue.
Having the beneficial effect that in the present invention
1, by the first hydraulic telescopic rod of setting, in conjunction with the support arm of setting, facilitate the position for adjusting idler wheel, to adjust
Section electric roller adjusts cleaning effect and facilitates in combination with the scraper plate of setting and root out the clinker on road surface at a distance from ground,
Maintenance of surface difficulty is reduced, working efficiency is improved.
2, by the dust collection mechanism of setting, facilitate the fugitive dust cleaned road surface in maintenance processes to absorb, reduce air pollution,
In combination with the auger bar and wind sucting tube of setting, facilitate blowdown, easy to operate, easy cleaning maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of road construction curing means proposed by the present invention；
Fig. 2 is a kind of schematic cross-sectional view of road construction curing means metal outer cylinder proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of road construction curing means wind sucting tube proposed by the present invention.
In figure: 1 idler wheel, 2 arcuate sockets, 3 nylon burrs, 4 motorized rollers, 5 second hydraulic telescopic rods, 6 water spouts, 7 scraper plates,
8 suspended hoods, 9 motors, 10 metal outer cylinders, 11 air nozzles, 12 wind sucting tubes, 13 aspiration channels, 14 first hydraulic telescopic rods, 15 air draughts
Machine, 16 metal dish, 17 first guiding pieces, 18 second guiding pieces, 19 metal caps, 20 pin rods, 21 support arms, 22 rectangular openings, 23 gold medals
Belong to inner cylinder, 24 link blocks, 25 auger bars, 26 cylindrical metallic covers, 27 metal net cylinders.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of road construction curing means, including metal cap 19,19 top of metal cap is equipped on one side to be cared for
Component, 19 two sides of metal cap are rotatably connected to support arm 21, and two 21 one end of support arm are hinged with the first hydraulically extensible
Bar 14, two 14 one end of the first hydraulic telescopic rod are rotatablely connected with 19 two sides outer wall of metal cap respectively, and two support arms 21 are remote
It is rotatably connected to idler wheel 1 from 14 one end of the first hydraulic telescopic rod, 19 inner wall of metal cap is hinged with scraper plate 7,7 side wall both sides of scraper plate
It is welded with hinged block, and two hinged blocks are hinged with the second hydraulic telescopic rod 5, two 5 one end of the second hydraulic telescopic rod point
It is not rotatablely connected with 19 two sides outer wall of metal cap, 7 side wall of scraper plate is provided with the inclined hole equidistantly distributed, and inclined hole inner wall is bolted with
Water spout 6, for metal cap 19 far from component one end is cared for equipped with dust collection mechanism, 19 inner wall of metal cap has been bolted electronic rolling
Cylinder 4, and 4 side wall of motorized roller is equipped with nylon burr 3.
It includes the metal dish 16 for being fixed at 19 top side of metal cap that component is cared in the present invention, and metal dish 16 pushes up
End outer wall is rotatably connected to the first guiding piece 17, and the first guiding piece 17 is hinged with the second guiding piece 18 on one side, and dust collection mechanism includes
The metal outer cylinder 10 of 19 side of metal cap is arranged in welding, and 10 bottom end outer wall of metal outer cylinder is welded with inside connection metal cap 19
Suspended hood 8, metal inner cylinder 23 is inserted with inside metal outer cylinder 10,23 one end of metal inner cylinder passes through 10 one end of metal outer cylinder, gold
Belong to 10 one end of outer cylinder and be welded with the wind sucting tube 12 being vertically arranged, and 12 top of wind sucting tube is bolted with air nozzle 11, metal inner cylinder 23
Top outer wall is provided with rectangular opening 22, aspiration channel 13 is inserted in wind sucting tube 12, and 13 one end of aspiration channel passes through 12 side wall of wind sucting tube,
13 one end of aspiration channel is welded with metal net cylinder 27, and aspiration channel 13 is welded with cylindrical metallic cover 26 close to 27 one end of metal net cylinder,
10 one end of metal outer cylinder has been bolted motor 9, and 9 output shaft of motor passes through 10 side wall of metal outer cylinder and is bolted
There is auger bar 25,23 two sides outer wall of metal inner cylinder welds the link block 24 equidistantly distributed, and link block 24 and metal outer cylinder
10 inner walls are bolted, and 19 top outer wall of metal cap has been bolted suction ventilator 15, and 13 one end of aspiration channel and suction
The suction end of blower 15 connects, and 19 two sides of metal cap are provided with arcuate socket 2, and two 21 side walls of support arm are bolted with pin rod
20, two pin rods 20 are slidably connected with two 2 inner walls of arcuate socket respectively, and 12 bottom end of wind sucting tube is bolted with blowdown sprue, the first liquid
Pressure telescopic rod 14, the second hydraulic telescopic rod 5, motorized roller 4 and motor 9 are connected with switch, and switch is connected with power supply line.
In use, worked by being connect with traction wheel the second guiding piece 18 by the first hydraulic telescopic rod 14 of control,
Facilitate the angle for adjusting support arm 21, to adjust the angle of idler wheel 1, by control the second hydraulic telescopic rod 5 work, adjusting is scraped
The angle of plate 7 is sprayed water, road pavement is rinsed, electronic by controlling by connecting water spout 6 with water pump by water spout 6
Roller 4 works, and road pavement is cleaned, and control suction ventilator 15 works, so that negative pressure is generated inside wind sucting tube 12, so that outside metal
Negative pressure is generated in cylinder 10, the dust generated in cleaning process enters in metal outer cylinder 10 across suspended hood 8, is then passed through metal
The rectangular opening 22 of 23 top of inner cylinder, is collected in metal inner cylinder 23, is worked by control motor 9, is driven auger bar 25 to rotate, i.e.,
The dust of collection can be pushed into wind sucting tube 12, by the way that air nozzle 11 to be connect with air pump, control air nozzle 11 is blown, can be right
The dust of 12 inner wall of wind sucting tube is blown down, and opening blowdown sprue can be cleared up.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of road construction curing means, including metal cap (19), which is characterized in that metal cap (19) top is set on one side
Component is cared for, metal cap (19) two sides are rotatably connected to support arm (21), and two support arm (21) one end are cut with scissors
Be connected to the first hydraulic telescopic rod (14), two described first hydraulic telescopic rod (14) one end respectively with metal cap (19) two sides outer wall
Rotation connection, and two support arms (21) are rotatably connected to idler wheel (1), the gold far from the first hydraulic telescopic rod (14) one end
Belong to cover (19) inner wall to be hinged with scraper plate (7), scraper plate (7) the side wall both sides are welded with hinged block, and two hinged blocks are cut with scissors
It is connected to the second hydraulic telescopic rod (5), two described second hydraulic telescopic rod (5) one end turn with metal cap (19) two sides outer wall respectively
Dynamic connection, scraper plate (7) side wall is provided with the inclined hole equidistantly distributed, and inclined hole inner wall is bolted with water spout (6), the gold
Belong to cover (19) far from component one end is cared for equipped with dust collection mechanism, metal cap (19) inner wall has been bolted motorized roller
(4), and motorized roller (4) side wall is equipped with nylon burr (3).
2. a kind of road construction curing means according to claim 1, which is characterized in that the component of caring for includes fixing
Metal dish (16) in metal cap (19) top side is set, and metal dish (16) top outer wall is rotatably connected to the first guiding piece
(17), first guiding piece (17) is hinged with the second guiding piece (18) on one side.
3. a kind of road construction curing means according to claim 2, which is characterized in that the dust collection mechanism includes welding
Metal outer cylinder (10) in metal cap (19) side is set, and metal outer cylinder (10) bottom end outer wall is welded with connection metal cap (19)
Internal suspended hood (8), the metal outer cylinder (10) is internal to be inserted with metal inner cylinder (23), and described metal inner cylinder (23) one end is worn
Metal outer cylinder (10) one end is crossed, described metal outer cylinder (10) one end is welded with the wind sucting tube (12) being vertically arranged, and wind sucting tube
(12) top is bolted with air nozzle (11), and metal inner cylinder (23) top outer wall is provided with rectangular opening (22).
4. a kind of road construction curing means according to claim 3, which is characterized in that plugged in the wind sucting tube (12)
Have aspiration channel (13), and aspiration channel (13) one end passes through wind sucting tube (12) side wall, described aspiration channel (13) one end is welded with metal
Net cylinder (27), and aspiration channel (13) is welded with cylindrical metallic cover (26) close to metal net cylinder (27) one end.
5. a kind of road construction curing means according to claim 4, which is characterized in that described metal outer cylinder (10) one end
It has been bolted motor (9), and motor (9) output shaft passes through metal outer cylinder (10) side wall and has been bolted auger bar
(25)。
6. a kind of road construction curing means according to claim 5, which is characterized in that metal inner cylinder (23) two sides
Outer wall welds the link block (24) equidistantly distributed, and link block (24) is bolted with metal outer cylinder (10) inner wall.
7. a kind of road construction curing means according to claim 6, which is characterized in that outside metal cap (19) top
Wall has been bolted suction ventilator (15), and aspiration channel (13) one end is connect with the suction end of suction ventilator (15).
8. a kind of road construction curing means according to claim 7, which is characterized in that metal cap (19) two sides are equal
Be provided with arcuate socket (2), and two support arm (21) side walls are bolted with pin rod (20), two pin rods (20) respectively with two
Arcuate socket (2) inner wall is slidably connected.
9. a kind of road construction curing means according to claim 8, which is characterized in that wind sucting tube (12) bottom end spiral shell
It is connected to blowdown sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740759.6A CN110438925B (en) | 2019-08-12 | 2019-08-12 | Road construction curing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740759.6A CN110438925B (en) | 2019-08-12 | 2019-08-12 | Road construction curing means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110438925A true CN110438925A (en) | 2019-11-12 |
| CN110438925B CN110438925B (en) | 2020-12-25 |
Family
ID=68434671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740759.6A Active CN110438925B (en) | 2019-08-12 | 2019-08-12 | Road construction curing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110438925B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560899A (en) * | 2020-05-04 | 2020-08-21 | 滨州市无棣县可歆进出口贸易有限公司 | Multifunctional factory floor dust removal equipment |
| CN114592460A (en) * | 2022-03-18 | 2022-06-07 | 宁波市政工程建设集团股份有限公司 | Road and bridge self-propelled expansion joint cleaning device for municipal works |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083594U (en) * | 1990-09-24 | 1991-08-28 | 陈忠实 | Pneumatic road surface cleaning vehicle |
| JP3453750B2 (en) * | 1996-08-10 | 2003-10-06 | 豊和工業株式会社 | Dust emission prevention device for cleaning car |
| CN103306228A (en) * | 2013-06-08 | 2013-09-18 | 南宁市桂驰力车有限公司 | Small-sized electric environmental sanitation cleaning and collecting integrated vehicle |
| CN104790328A (en) * | 2015-03-24 | 2015-07-22 | 苏州华冲精密机械有限公司 | Sweeping vehicle |
| CN105862639A (en) * | 2016-05-25 | 2016-08-17 | 章丘市鸿志建筑工程有限公司 | Pavement construction vacuum sweeper |
| CN206127951U (en) * | 2016-08-31 | 2017-04-26 | 河南省鑫源机械制造有限公司 | Road sweeper sweeps device after with |
| CN208055971U (en) * | 2018-04-17 | 2018-11-06 | 房传平 | A kind of road surface cleaning plant |
| CN208803345U (en) * | 2018-07-10 | 2019-04-30 | 广东省交通运输高级技工学校 | Multifunctional road maintenance truck |
-
2019
- 2019-08-12 CN CN201910740759.6A patent/CN110438925B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083594U (en) * | 1990-09-24 | 1991-08-28 | 陈忠实 | Pneumatic road surface cleaning vehicle |
| JP3453750B2 (en) * | 1996-08-10 | 2003-10-06 | 豊和工業株式会社 | Dust emission prevention device for cleaning car |
| CN103306228A (en) * | 2013-06-08 | 2013-09-18 | 南宁市桂驰力车有限公司 | Small-sized electric environmental sanitation cleaning and collecting integrated vehicle |
| CN104790328A (en) * | 2015-03-24 | 2015-07-22 | 苏州华冲精密机械有限公司 | Sweeping vehicle |
| CN105862639A (en) * | 2016-05-25 | 2016-08-17 | 章丘市鸿志建筑工程有限公司 | Pavement construction vacuum sweeper |
| CN206127951U (en) * | 2016-08-31 | 2017-04-26 | 河南省鑫源机械制造有限公司 | Road sweeper sweeps device after with |
| CN208055971U (en) * | 2018-04-17 | 2018-11-06 | 房传平 | A kind of road surface cleaning plant |
| CN208803345U (en) * | 2018-07-10 | 2019-04-30 | 广东省交通运输高级技工学校 | Multifunctional road maintenance truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560899A (en) * | 2020-05-04 | 2020-08-21 | 滨州市无棣县可歆进出口贸易有限公司 | Multifunctional factory floor dust removal equipment |
| CN114592460A (en) * | 2022-03-18 | 2022-06-07 | 宁波市政工程建设集团股份有限公司 | Road and bridge self-propelled expansion joint cleaning device for municipal works |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110438925B (en) | 2020-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024212A (en) | A kind of small-sized crushing device of town road with depositing dust function | |
| CN110438925A (en) | A kind of road construction curing means | |
| CN107597648B (en) | Snow removing and ice melting cleaning device for power equipment | |
| CN109797638B (en) | Cleaning and crack pouring integrated machine for highway pavement maintenance | |
| CN108001493B (en) | Building site rubble conveyer | |
| CN211473493U (en) | Can collect formula interior decoration and shovel except that device with wall skin | |
| CN108867508A (en) | A kind of municipal administration road cleaner | |
| CN219824028U (en) | Concrete curing means | |
| CN110258249A (en) | A kind of Expressway Asphalt regenerative mixed device | |
| CN217017140U (en) | Guniting manipulator | |
| CN212561352U (en) | Combined snow remover | |
| CN212895830U (en) | Joint cutting device is used in municipal administration road and bridge construction | |
| CN109098128A (en) | A kind of road cleaning robot easy to use | |
| CN209260640U (en) | It is a kind of to raise snow snow scraper suitable for complex road surface | |
| CN212771851U (en) | Roadbed shaping device | |
| CN210421013U (en) | Pump station removes rotation grid trash remover | |
| CN210529459U (en) | Grooving machine with adjustable grooving width | |
| CN206106060U (en) | Automatic equipment of clearing up cement wire pole casting steel mold inner chamber of mechanical type | |
| CN214143489U (en) | Highway is concrete repair device for bridge maintenance | |
| CN215996060U (en) | Highway engineering construction dust device | |
| CN219824850U (en) | Pull type thermal regeneration repairing machine | |
| CN212223557U (en) | Road cementation of fissures device for municipal works | |
| CN216739184U (en) | Road crack pouring device for road engineering | |
| CN216533056U (en) | Water-saving farmland irrigation device | |
| CN219984256U (en) | Road construction pitch dust removal sprinkler |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |