CN108708344A - A kind of bridge construction sprinkling truck and its application method - Google Patents
A kind of bridge construction sprinkling truck and its application method Download PDFInfo
- Publication number
- CN108708344A CN108708344A CN201810916931.4A CN201810916931A CN108708344A CN 108708344 A CN108708344 A CN 108708344A CN 201810916931 A CN201810916931 A CN 201810916931A CN 108708344 A CN108708344 A CN 108708344A
- Authority
- CN
- China
- Prior art keywords
- pipe
- water
- sparge pipe
- sweep
- fixedly connected
- 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
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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
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge construction sprinkling truck and its application methods, bridge construction sprinkling truck includes car body and water injector, dust cleaning case is installed on the car body, the inside of the dust cleaning case is equipped with sweep-up pipe, wind turbine is installed in the sweep-up pipe, the lower end of the sweep-up pipe is fixedly connected with suction inlet, and the suction inlet is interior to be connected with shaft by bearing, one end of the shaft is connected with motor through the side of suction inlet, and crushing bar is fixedly connected in the shaft.The present invention, which can crush the soil rubbish etc. of caking, to be cut through in sweep-up pipe merging disposal box, it substantially increases the efficiency of garbage waste cleaning and is less likely to occur to block, it avoids when rubbish lumps compared with great purge on bridge and the phenomenon that mud occurs, staff need not be cleared up and be improved work efficiency repeatedly, it crushes bar and cutting blade is conveniently replaceable, multi-faceted cleaning can be carried out to bridge, and plays the role of certain depositing dust, it is easy to use.
Description
Technical field
The invention belongs to sprinkling truck technical fields, and in particular to a kind of bridge construction sprinkling truck and its application method.
Background technology
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through, modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more easily building, bridge are generally made of superstructure, substructure, bearing and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle, and substructure includes abutment, bridge pier and basis, and bearing is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment in existing bridge construction process, needs to spray bridge
It spills and cleans up, have for preparing in construction in later period materials, existing sprinkling truck often can only achieve the effect of processing cleaning, clearly
It washes inefficient, if having bigger garbage substance or clod, mud or mud can be also rolled into a ball into after sprinkling truck hydro-peening
Water discharge is slow, it is also possible to cause obstruction to be not easy to construct, being cleaned multiple times can just clean out, time-consuming and laborious unfavorable
In raising working efficiency.
Such as the patent of Publication No. CN207597330U, the municipal bridge for adjusting spraying range is facilitated to use it discloses a kind of
Watering device, including sump is set, the right side for setting sump is fixedly connected with the first support plate, the upper surface of the first support plate
It is fixedly connected with clockwise and anticlockwise motor, the output end of clockwise and anticlockwise motor through the first support plate and extends to the outer of the first support plate
Portion, the right side for setting sump are fixedly connected with the second support plate, and the second support plate is located at the underface of the first support plate, second
The inside of fagging is fixed and is inlaid with first bearing, and the right side for setting sump is fixedly connected with third support plate, third support plate position
Be fixedly connected with second bearing in the upper surface of the underface of the second support plate, third support plate, set sump right side be equipped with turn
Lever.Above-mentioned to facilitate the municipal bridge watering device for adjusting spraying range, having entirety can be to the watering of watering device
Range is adjusted, and non-blind area of sprinkling water disclosure satisfy that the demand of society.
But there is following defect in said program in use：The clod encountered during watering compared with big lumps is easy to make
At mud water, cleaning, the time-consuming and laborious raising for being unfavorable for working efficiency need to be repeatedly sprayed.
Invention content
The purpose of the present invention is to provide a kind of bridge construction sprinkling truck and its application methods, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：A kind of bridge construction sprinkling truck, including car body and
Water injector, is equipped with dust cleaning case on the car body, and the inside of the dust cleaning case is equipped with sweep-up pipe, fixed in the sweep-up pipe
Wind turbine is installed, the lower end of the sweep-up pipe is fixedly connected with suction inlet, and the suction inlet is interior to be connected with shaft by bearing, described
One end of shaft is connected with motor through the side of suction inlet, is fixedly connected with crushing bar in the shaft, on the crushing bar
Equipped with cutting blade, the upper end of the sweep-up pipe is fixedly connected by connecting tube with disposal box, and the disposal box is located at dust cleaning case
The back side and disposal box be fixedly mounted on the upper end of car body, the upper end of corresponding car body is installed with water on the right side of the dust cleaning case
The top of case, the water tank is connected by water inlet pipe with water pump, and the water outlet of the water pump is connected with outlet pipe, the water tank
On water injector is installed, the water injector includes outlet pipe, and distributive pipe, the water outlet are fixedly connected on the outlet pipe
The end of pipe is connected with the first sparge pipe, and the end of the distributive pipe is connected with the second sparge pipe, second sparge pipe
With atomizer and duck-beak type nozzle are separately installed on the first sparge pipe, fixed plate is fixedly connected on the water tank, it is described
There are two fixed plate is set, and the second sparge pipe and the first sparge pipe is nested and fixed between the fixed plate successively from top to bottom.
Preferably, the suction inlet is through to the bottom of car body, and the outside of the suction inlet is fixed on by fixed frame
The bottom of car body, the motor are mounted on fixed frame.
Preferably, it is welded with threaded block in the shaft, crushing bar, the powder are threaded on the threaded block
Broken bar is equipped with the slot connecting that matches with cutting blade, and fastening bolt is threaded on slot, and the crushing bar is logical
Fastening bolt is crossed to be fixedly connected with cutting blade.
Preferably, the bottom both ends of first sparge pipe and the second sparge pipe are welded with limited block, described solid
Fixing bolt is threaded on fixed board, the fixed plate is fixedly connected by fixing bolt with limited block.
Preferably, the lower part of the water tank front and back and the rear end of car body are respectively provided with equipped with water injector.
Preferably, the duck-beak type nozzle is the lower end that chevron shape is distributed in the first sparge pipe.
Meanwhile the invention also discloses a kind of application method on bridge construction sprinkling truck, following operation step is specifically included
Suddenly：
S1：Water injector is installed, between the fixing plates the both ends sleeve of the first sparge pipe and the second sparge pipe, is tightened solid
Determine bolt so that the position between limited block and fixed plate is fixed, to secure the first sparge pipe and the second sparge pipe
Position；
S2：Installation crushes bar, and cutting blade is plugged on and is crushed on bar, fastening bolt is tightened and is fixed, then powder
The end of broken bar, which is threaded into block, makes it be fixed in shaft；
S3：Cleaning work starts motor and wind turbine, and shaft drives crushing bar and cutting blade to be rotated, and wind turbine drives
Sweep-up pipe starts dust suction work, crushes bar and cutting blade is crushed clod, the waste material rubbish of bulky grain and cut, then
Enter in connecting tube by suction inlet and sweep-up pipe, is finally placed in disposal box and is collected；
S4：Hydro-peening works, while starting water pump, extracts water and enters to the first sparge pipe and the by outlet pipe and distributive pipe
In two sparge pipes, to carry out cleaning to ground by duck-beak type nozzle and carry out atomization spray into air by atomizer
Water depositing dust.
The technique effect and advantage of the present invention：
The present invention can crush cutting by suction inlet, crushing bar and cutting blade to the soil rubbish etc. of caking
It is placed in disposal box by sweep-up pipe, substantially increases the efficiency of garbage waste cleaning and is less likely to occur to block, avoided
Occurs the phenomenon that mud when rubbish lumps compared with great purge on bridge, staff need not be cleared up repeatedly improves work effect
Rate so that crushing bar and cutting blade is conveniently replaceable by threaded block and fastening bolt, passes through the first sparge pipe, the second water spray
Pipe, duck-beak type nozzle and atomizer can carry out bridge multi-faceted cleaning, and it is big to clean comprehensive cleaning strength, and plays one
Fixed depositing dust effect, by fixed plate, limited block and fixing bolt make the first sparge pipe and the second sparge pipe installing and dismounting letter
It is single, it is easy to use.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram on bridge construction sprinkling truck of the present invention；
Fig. 2 is enlarged structure schematic diagram at a kind of A on bridge construction sprinkling truck of the present invention；
Fig. 3 is enlarged structure schematic diagram at a kind of B on bridge construction sprinkling truck of the present invention；
Fig. 4 is a kind of fixed plate attachment structure schematic diagram on bridge construction sprinkling truck of the present invention.
In figure：1 car body, 2 dust cleaning cases, 3 sweep-up pipes, 4 wind turbines, 5 suction inlets, 6 fixed frames, 7 motors, 8 shafts, 9 threaded blocks,
10 crushing bars, 11 cutting blades, 12 fastening bolts, 13 connecting tubes, 14 disposal boxes, 15 water tanks, 16 water pumps, 17 water inlet pipes, 18 go out
Water pipe, 19 first sparge pipes, 20 distributive pipes, 21 second sparge pipes, 22 fixed plates, 23 fixing bolts, 24 limited blocks, 25 duck-beak types
Nozzle, 26 atomizers.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
As shown in Figs 1-4, a kind of bridge construction sprinkling truck, including car body 1 and water injector are installed on the car body 1
There are dust cleaning case 2, the inside of the dust cleaning case 2 that sweep-up pipe 3 is installed, wind turbine 4, the suction are installed in the sweep-up pipe 3
The lower end of dirt pipe 3 is fixedly connected with suction inlet 5, and the suction inlet 5 is interior to be connected with shaft 8 by bearing, and one end of the shaft 8 is passed through
The side for wearing suction inlet 5 is connected with motor 7, is fixedly connected in the shaft 8 and crushes bar 10, and the crushing bar 10 is equipped with and cuts
The upper end of cutting blade 11, the sweep-up pipe 3 is fixedly connected by connecting tube 13 with disposal box 14, and the disposal box 14 is located at dedusting
The back side of case 2 and disposal box 14 are fixedly mounted on the upper end of car body 1, and the upper end of the corresponding car body in 2 right side of the dust cleaning case 1 is fixed
Water tank 15 is installed, the top of the water tank 15 is connected by water inlet pipe 17 with water pump 16, and the water outlet of the water pump 16 connects
It is connected to outlet pipe 18, water injector is installed on the water tank 15, the water injector includes outlet pipe 18, the outlet pipe 18
On be fixedly connected with distributive pipe 20, the end of the outlet pipe 18 is connected with the first sparge pipe 19, the end of the distributive pipe 20
Portion is connected with the second sparge pipe 21, and 26 He of atomizer is separately installed on second sparge pipe, 21 and first sparge pipe 19
Duck-beak type nozzle 25 is fixedly connected with fixed plate 22 on the water tank 15, there are two the fixed plate 22 is set, and the fixed plate
The second sparge pipe 21 and the first sparge pipe 19 is nested and fixed between 22 successively from top to bottom.
The suction inlet 5 is through to the bottom of car body 1, and the outside of the suction inlet 5 is fixed on car body by fixed frame 6
1 bottom, the motor 7 are mounted on fixed frame 6, convenient for fixed suction inlet 5, are easily installed motor 7.
It is welded with threaded block 9 in the shaft 8, is threaded on the threaded block 9 and crushes bar 10, the crushing
Bar 10 is equipped with to match the slot connecting with cutting blade 11, and fastening bolt 12 is threaded on slot, the crushing
Bar 10 is fixedly connected by fastening bolt 12 with cutting blade 11, convenient for crushing the installing and dismounting of bar 10 and cutting blade 11, just
In replacement and repair.
The bottom both ends of first sparge pipe, 19 and second sparge pipe 21 are welded with limited block 24, the fixation
Fixing bolt 23 is threaded on plate 22, the fixed plate 22 is fixedly connected with limited block 24 by fixing bolt 23, is convenient for
The installing and dismounting and repair of first sparge pipe 19 and the second sparge pipe 21.
The lower part of 15 front and back of the water tank and the rear end of car body 1 are respectively provided with equipped with water injector, convenient for into
Row multi-faceted hydro-peening and atomizing spray depositing dust, improve working efficiency.
The duck-beak type nozzle 25 is the lower end that chevron shape is distributed in the first sparge pipe 19, improves the effect of sprinkling cleaning
Rate.
Meanwhile the invention also discloses a kind of application method on bridge construction sprinkling truck, following operation step is specifically included
Suddenly：
S1：Water injector is installed, between the fixing plates the both ends sleeve of the first sparge pipe and the second sparge pipe, is tightened solid
Determine bolt so that the position between limited block and fixed plate is fixed, to secure the first sparge pipe and the second sparge pipe
Position；
S2：Installation crushes bar, and cutting blade is plugged on and is crushed on bar, fastening bolt is tightened and is fixed, then powder
The end of broken bar, which is threaded into block, makes it be fixed in shaft；
S3：Cleaning work starts motor and wind turbine, and shaft drives crushing bar and cutting blade to be rotated, and wind turbine drives
Sweep-up pipe starts dust suction work, crushes bar and cutting blade is crushed clod, the waste material rubbish of bulky grain and cut, then
Enter in connecting tube by suction inlet and sweep-up pipe, is finally placed in disposal box and is collected；
S4：Hydro-peening works, while starting water pump, extracts water and enters to the first sparge pipe and the by outlet pipe and distributive pipe
In two sparge pipes, to carry out cleaning to ground by duck-beak type nozzle and carry out atomization spray into air by atomizer
Water depositing dust.
The present invention can crush the soil rubbish etc. of caking by suction inlet 5, crushing bar 10 and cutting blade 11
Then cutting is passed through sweep-up pipe 3 and is placed in disposal box 14, substantially increase the efficiency of garbage waste cleaning and be less likely to occur
Obstruction avoids when rubbish lumps compared with great purge on bridge and the phenomenon that mud occurs, and staff need not be cleared up and be carried repeatedly
High working efficiency passes through first by threaded block 9 and fastening bolt 12 so that crushing bar 10 and cutting blade 11 is conveniently replaceable
Sparge pipe 19, the second sparge pipe 21, duck-beak type nozzle 25 and atomizer 26 can carry out bridge multi-faceted cleaning, and cleaning is complete
Face cleaning strength is big, and plays the role of certain depositing dust, and by fixed plate 22, limited block 24 and fixing bolt 23 are so that first
Sparge pipe 19 and 21 installing and dismounting of the second sparge pipe are simple, easy to use.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of bridge construction sprinkling truck, including car body (1) and water injector, it is characterised in that：It is installed on the car body (1)
There are dust cleaning case (2), the inside of the dust cleaning case (2) that sweep-up pipe (3) is installed, wind turbine is installed in the sweep-up pipe (3)
(4), the lower end of the sweep-up pipe (3) is fixedly connected with suction inlet (5), and the suction inlet (5) is interior to be connected with shaft by bearing
(8), one end of the shaft (8) is connected with motor (7) through the side of suction inlet (5), is fixedly connected on the shaft (8)
Bar (10) is crushed, the crushing bar (10) is equipped with cutting blade (11), and the upper end of the sweep-up pipe (3) passes through connecting tube (13)
It is fixedly connected with disposal box (14), the disposal box (14) is located at the back side of dust cleaning case (2) and disposal box (14) is fixedly mounted on
The upper end of car body (1), the upper end of corresponding car body (1) is installed with water tank (15), the water tank on the right side of the dust cleaning case (2)
(15) top is connected by water inlet pipe (17) with water pump (16), and the water outlet of the water pump (16) is connected with outlet pipe
(18), water injector is installed, the water injector includes outlet pipe (18), on the outlet pipe (18) on the water tank (15)
It is fixedly connected with distributive pipe (20), the end of the outlet pipe (18) is connected with the first sparge pipe (19), the distributive pipe
(20) end is connected with the second sparge pipe (21), is installed respectively on second sparge pipe (21) and the first sparge pipe (19)
There are atomizer (26) and duck-beak type nozzle (25), fixed plate (22), the fixed plate are fixedly connected on the water tank (15)
(22) the second sparge pipe (21) and the first spray is nested and fixed there are two setting, and between the fixed plate (22) successively from top to bottom
Water pipe (19).
2. a kind of bridge construction sprinkling truck according to claim 1, it is characterised in that：The suction inlet (5) is through to
The bottom of car body (1), and the outside of the suction inlet (5) is fixed on the bottom of car body (1), the motor by fixed frame (6)
(7) it is mounted on fixed frame (6).
3. a kind of bridge construction sprinkling truck according to claim 1, it is characterised in that：It is welded on the shaft (8) solid
Surely there is threaded block (9), be threaded on the threaded block (9) and crush bar (10), the crushing bar (10) is equipped with and cutting
Blade (11) matches the slot of connection, and fastening bolt (12) is threaded on slot, and the crushing bar (10) is by tight
Fixing bolt (12) is fixedly connected with cutting blade (11).
4. a kind of bridge construction sprinkling truck according to claim 1, it is characterised in that：First sparge pipe (19) and
The bottom both ends of second sparge pipe (21) are welded with limited block (24), and fixation is threaded on the fixed plate (22)
Bolt (23), the fixed plate (22) are fixedly connected by fixing bolt (23) with limited block (24).
5. a kind of bridge construction sprinkling truck according to claim 1, it is characterised in that：Water tank (15) front and the back of the body
The lower part in face and the rear end of car body (1) are respectively provided with equipped with water injector.
6. a kind of bridge construction sprinkling truck according to claim 1, it is characterised in that：The duck-beak type nozzle (25) is
Chevron shape is distributed in the lower end of the first sparge pipe (19).
7. a kind of application method on bridge construction sprinkling truck according to claim 1-6 any one, it is characterised in that：
Including following operating procedure：
S1：Installation water injector between the fixing plates the both ends sleeve of the first sparge pipe and the second sparge pipe tightens fixed spiral shell
Bolt so that the position between limited block and fixed plate is fixed, to secure the position of the first sparge pipe and the second sparge pipe
It sets；
S2：Installation crushes bar, and cutting blade is plugged on and is crushed on bar, fastening bolt is tightened and is fixed, then crushing bar
End be threaded into block it made to be fixed in shaft；
S3：Cleaning work starts motor and wind turbine, and shaft drives crushing bar and cutting blade to be rotated, and wind turbine drives dust suction
Pipe starts dust suction work, crushes bar and cutting blade is crushed clod, the waste material rubbish of bulky grain and cut, then pass through
Suction inlet and sweep-up pipe enter in connecting tube, are finally placed in disposal box and are collected；
S4：Hydro-peening works, while starting water pump, extracts water and enters to the first sparge pipe and the second spray by outlet pipe and distributive pipe
In water pipe, to carry out cleaning to ground by duck-beak type nozzle and carry out atomizing spray drop into air by atomizer
Dirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916931.4A CN108708344A (en) | 2018-08-13 | 2018-08-13 | A kind of bridge construction sprinkling truck and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916931.4A CN108708344A (en) | 2018-08-13 | 2018-08-13 | A kind of bridge construction sprinkling truck and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708344A true CN108708344A (en) | 2018-10-26 |
Family
ID=63875697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916931.4A Pending CN108708344A (en) | 2018-08-13 | 2018-08-13 | A kind of bridge construction sprinkling truck and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708344A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811418A (en) * | 2019-11-26 | 2020-02-21 | 兰溪米雪电子科技有限公司 | Dust collector with self-cleaning function |
| CN111705727A (en) * | 2020-06-29 | 2020-09-25 | 江苏农航机械设备有限公司 | Road dust collector |
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| KR200393801Y1 (en) * | 2005-05-25 | 2005-08-31 | 아산에스제이 주식회사 | A Vacuum Water Sprinkling Vehicle having the Means for Adjusting the Way of Water Sprinkling |
| CN205000277U (en) * | 2015-08-31 | 2016-01-27 | 上海神舟汽车节能环保有限公司 | Suction apparatus is smashed to leaf for sweeping machine |
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| CN106337381A (en) * | 2016-08-26 | 2017-01-18 | 青岛同辉汽车技术有限公司 | Energy-saving flushing and sweeping truck |
| CN207295590U (en) * | 2017-09-11 | 2018-05-01 | 李明英 | A kind of highway maintenance fast sweep device |
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2018
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| KR200393801Y1 (en) * | 2005-05-25 | 2005-08-31 | 아산에스제이 주식회사 | A Vacuum Water Sprinkling Vehicle having the Means for Adjusting the Way of Water Sprinkling |
| CN205000277U (en) * | 2015-08-31 | 2016-01-27 | 上海神舟汽车节能环保有限公司 | Suction apparatus is smashed to leaf for sweeping machine |
| CN105951644A (en) * | 2016-06-21 | 2016-09-21 | 安徽华信电动科技股份有限公司 | Dust-free smashing environment-friendly cleaning vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811418A (en) * | 2019-11-26 | 2020-02-21 | 兰溪米雪电子科技有限公司 | Dust collector with self-cleaning function |
| CN110811418B (en) * | 2019-11-26 | 2021-05-07 | 瓦柯姆(南通)吸尘器有限公司 | Dust collector with self-cleaning function |
| CN111705727A (en) * | 2020-06-29 | 2020-09-25 | 江苏农航机械设备有限公司 | Road dust collector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181026 |