CN109989373A - Bridge construction cleaning device - Google Patents
Bridge construction cleaning device Download PDFInfo
- Publication number
- CN109989373A CN109989373A CN201910362839.2A CN201910362839A CN109989373A CN 109989373 A CN109989373 A CN 109989373A CN 201910362839 A CN201910362839 A CN 201910362839A CN 109989373 A CN109989373 A CN 109989373A
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- China
- Prior art keywords
- connector
- shaft
- negative pressure
- cleaning
- bridge construction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
- E01H1/045—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading the loading means being a rotating brush with horizontal axis
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to field of bridge construction, specifically disclose a kind of bridge construction cleaning device, including vehicle frame and cleaning mechanism, the bottom of frame is equipped with traveling wheel, and the cleaning mechanism includes the rotating drive part being fixed on vehicle frame and the shaft with vehicle frame rotation connection, and the shaft is vertically arranged, and shaft lower part is equipped with cleaning brush, the frame downward is fixed with connector, and the connector is equipped with cleaning mouth, is connected with collecting bag on the connector.Cleaning device of the invention can reduce the workload of manual cleaning.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of bridge construction cleaning device.
Background technique
Bridge construction is generally divided into multiple stages, more waste material can be also generated when carrying out the construction in each stage, such as
The reinforcing bar etc. that dust, stone, packaging bag, the fastener fallen or truncation are discarded, if clearing up these waste materials not in time, as reinforcing bar holds
Worker easily is stabbed, packaging bag will cause environmental pollution, and the fastener fallen, which does not recycle, will also result in loss, and carry out
When such as Deck Concrete Pavement or asphalt pavement, these waste materials also can cause to hinder to construction, so needing to these waste materials
It is cleared up.Tradition generally uses manual cleaning, but since the area of bridge floor is generally large, the heavy workload of manual cleaning,
It is bad for the cleaning effect of the waste material in some small gaps.
Summary of the invention
The purpose of the present invention is to provide a kind of bridge construction cleaning devices of workload for reducing manual cleaning.
In order to achieve the above objectives, the technical scheme is that bridge construction cleaning device, including vehicle frame and cleaner
Structure, the bottom of frame are equipped with traveling wheel, and the cleaning mechanism includes the rotating drive part being fixed on vehicle frame and turns with vehicle frame
The shaft of dynamic connection, the shaft is vertically arranged, and shaft lower part is equipped with cleaning brush, and the frame downward is fixed with connector,
The connector is equipped with cleaning mouth, is connected with collecting bag on the connector.
It the principle of this programme and has the beneficial effect that
Bottom of frame is equipped with traveling wheel, when worker pushes vehicle frame, can make vehicle frame with respect to ground under the action of traveling wheel
Mobile, movement is more convenient.When work, collecting bag is made to be located at the rear side of shaft, it is ensured that cleaning brush first passes through ground, rotation
When actuator drive shaft rotates, cleaning brush rotation cleans the waste material on ground.When cleaning, since cleaning brush rotates,
The waste material contacted with cleaning brush rotates with it, and then falls into collecting bag and is collected from cleaning mouth under the action of the centrifugal.With bend over
Cleansing phase ratio is carried out to ground, worker pushes vehicle frame more laborsaving, effectively reduces the workload of worker.
Further, it is fixed with aqueduct on vehicle frame, the aqueduct is towards cleaning brush.
Have the beneficial effect that water can be flow on cleaning brush along aqueduct, right when being connected to aqueduct with extraneous water pipe
Cleaning brush is cleaned, and avoids remaining a large amount of spots on cleaning brush.
Further, connector is tubular, and the lower end of the shaft is located in connector, and the inner wall of the connector is equipped with ring
The curved slot of shape, the curved slot upper and lower ends are located at two up and down of connector, and the lower end position of curved slot
In the top of cleaning mouth, the bristle of the cleaning brush is located at cleaning brush bottom, and curved slot lower end is less than clear at a distance from ground
The length of clean brush bristle；Vertically it is equipped with guide groove in the shaft, the cleaning brush is equipped with multiple, and multiple cleaning brush both ends point
It is not slidably connected with curved slot and guide groove；The negative pressure generator being connected to connector upper end is fixed on the vehicle frame.
It has the beneficial effect that the curved slot in this programme constitutes the structure of similar cylindrical cam, cooperates with guide groove, protecting
Cleaning brush can also be made up and down reciprocatingly to slide while card cleaning brush rotation, therefore finally clean brush twist moves, Er Qieyou
It is less than the length of cleaning brush bristle at a distance from ground in curved slot lower end, therefore the bristle of cleaning brush whithin a period of time can be with
The state with ground face contact is kept, to clean to ground.Negative pressure generator can make to protect in negative pressure cavity and connector
Negative pressure is held, on the one hand negative pressure can pick up the waste materials such as the packaging bag of the dust on ground and lighter in weight, improve cleaning effect；Separately
On the one hand, when the water flowed out from aqueduct cleans cleaning brush, due to cleaning brush as shaft rotates, so cleaning brush
On water under the action of the centrifugal with cleaning brush be detached from, in connector inner cavity formed small volume droplet, work as negative pressure generator
When work, the droplet of small volume in connector inner cavity can be picked up, after avoiding excessive water from flowing to ground, dust is all stained with
It is attached to clear up on the ground, because after water is dry, dust can be hiked up, and cleaning effect is not if dust attaches on the ground again
It is good.Secondly, in the present solution, the cleaning brush surface with ground face contact has attached water, when cleaning brush when being contacted with ground, the ash hiked up
Dirt can attach on cleaning brush, it is possible to reduce the dust hiked up, reduce the remaining dust that can not be cleaned in ground, into one
Step improves cleaning effect, and when cleaning brush moves at aqueduct again upwards along curved slot, water can be again to the cleaning
Brush is cleaned.
Further, separating barrel is rotatably connected on vehicle frame, the separating barrel is located at the top of connector, and the upper end of shaft
Through the bottom wall of separating barrel, the shaft is fixed with separating barrel, the outlet of the separation barrel cavity and negative pressure generator, institute
The negative pressure cavity for being equipped in shaft and being connected to the entrance of negative pressure generator is stated, the shaft is equipped with the negative pressure being connected to negative pressure cavity
Hole, the negative pressure hole are connected to connector inner cavity；The one end of the aqueduct far from connector is connected to the top of separating barrel.
Having the beneficial effect that present and not all bridge all is built on the water surface, and some bridges are adjacent at two
Mountain between, the water that needs in these bridge construction process needs are remotely transported from other, and the transportation cost of water is relatively large.
In the present solution, the sewage of cleaning cleaning brush can be drawn in separating barrel through negative pressure hole and negative pressure cavity, and separating barrel is with shaft
Rotation, so sewage in separating barrel, by centrifugal action, dust and other impurity in sewage settle under the action of the centrifugal, with
Water separation, so the water for being finally separating barrel top is more clean, can be re-used for cleaning cleaning brush.It is right in this programme
Water repeats to utilize, and on the one hand can reduce water consumption, to reduce cost, on the other hand also to dust in sewage etc. into
Collection is gone.
Further, pulverization cylinder is equipped between separating barrel and connector, the pulverization cylinder is fixed on vehicle frame, and the shaft is passed through
Pulverization cylinder is worn, and is equipped with the crushing knife fixed with shaft in pulverization cylinder, the negative pressure hole is located at the top of pulverization cylinder.
Have the beneficial effect that packaging bag is generally plastic material, volume is larger but weight is smaller, so easily in suction function
Under be drawn at negative pressure hole, block negative pressure hole.In the present solution, crushing knife can be to packet after excessive packaging bag is inhaled into cleaning cylinder
Pack is crushed, and excessive packaging bag is avoided to block negative pressure hole.
Further, crushing knife is helical form, and crushing knife surface is equipped with frictional layer.
It has the beneficial effect that frictional layer can increase the frictional force between the packaging bag that is crushed, makes pulverized packaging
Bag moves upwards under the double action of negative pressure and frictional force, rather than falls downwards.
Further, side of the crushing knife far from shaft is blade.
It has the beneficial effect that when packaging bag is moved under the action of negative pressure between crushing knife and pulverization cylinder side wall, blade side
Just packaging bag is cut.
Further, the rotating cage of filter chamber is equipped in being rotatably connected in negative pressure cavity, the rotating cage is fixed with vehicle frame, and described turn
Cage side wall is equipped with filter opening, and filter chamber is connected to the entrance of negative pressure generator.
Have the beneficial effect that rotating cage plays the role of filtering, avoid the biggish dust of granularity or pulverized packaging bag into
Enter and damages negative pressure generator in negative pressure generator.
Further, the scraper plate to offset with rotating cage outer wall is fixed in negative pressure cavity.
Having the beneficial effect that shaft is rotated relative to rotating cage, scraper plate is fixed with shaft, can also be rotated relative to rotating cage outer wall, from
And the packaging bag after scraping the dust being attached on rotating cage outer wall or being crushed, avoid filter opening from being blocked.
Further, collecting bag is detachably connected with connector.
It has the beneficial effect that when containing more waste material in collecting bag, collecting bag can be removed from connector, facilitate collection
Middle processing waste material.
Detailed description of the invention
Fig. 1 is the elevational cross-sectional view of the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view in Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the enlarged drawing in Fig. 1 at C.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: separating barrel 1, through-hole 11, connection ring 12, aqueduct 13, ball 14, connects
Connect chamber 15, shaft 2, negative pressure cavity 21, negative pressure hole 22, scraper plate 23, pulverization cylinder 3, crushing knife 31, frictional layer 32, connector 4, curve
Groove 41, guide groove 42, cleaning brush 43, cleaning mouth 44, collecting bag 5, negative pressure generator 6, rotating cage 7, filter opening 71, vehicle frame 8.
Embodiment is substantially as shown in Figure 1, Figure 2, Figure 3 and Figure 4:
Bridge construction cleaning device, including vehicle frame 8 and cleaning mechanism, 8 bottom of vehicle frame are set there are four traveling wheel, facilitate work
People pushes vehicle frame 8 mobile.Cleaning mechanism includes the rotating drive part being bolted on vehicle frame 8 and rotates company with vehicle frame 8
The shaft 2 connect, shaft 2 is vertically arranged, and the axial direction on vehicle frame 8 along shaft 2 is successively arranged separating barrel 1,3 and of pulverization cylinder from top to bottom
Connector 4, shaft 2 runs through the bottom of separating barrel 1, and shaft 2 and 1 bottom of separating barrel are welded, and the water in separating barrel 1 will not be the bottom of from
Portion reveals, and the rotating drive part selected in the present embodiment is motor, and 2 upper end of shaft key connection has rotate gear, rotating drive part
It is rotated by another gear drive shaft 2, the separating barrel 1 welded with shaft 2 rotates with it.
Connector 4 is tubular, and the inner wall of connector 4 is equipped with cricoid curved slot 41,41 upper and lower ends of curved slot
The upper and lower ends of connector 4 are located at, are vertically set in shaft 2 there are three guide groove 42, three guide grooves 42 are circumferentially uniform
Be distributed in shaft 2, set between shaft 2 and connector 4 there are three bristle cleaning brush 43 directed downwardly, 43 both ends of cleaning brush difference
It is slided along guide groove 42 and curved slot 41.The lower end of connector 4 is set there are four mouth 44 is cleaned, and cleaning mouth 44 is evenly distributed in
The right part of connector 4, the lower end of curved slot 41 are located at 44 top of cleaning mouth of right end, guarantee cleaning brush 43 along curved slot
In 41 sliding processes, when cleaning brush 43 slides to lowest part positioned at the position opposite with the cleaning mouth 44 of right end.On connector 4
It removably is connected with collecting bag 5, specifically, being welded with link on connector 4, the oral area of collecting bag 5, which is fixed with, to be hung over
Hook on ring, so that collecting bag 5 be made to can connect on connector 4.
Spiral helicine crushing knife 31 is equipped in pulverization cylinder 3, the one end of crushing knife 31 far from shaft 2 is blade, it is convenient to from
The packaging bag passed through between 3 side wall of crushing knife 31 and pulverization cylinder is cut.31 upper surface of crushing knife is bonded with frictional layer 32, tool
Body, frictional layer 32 is rubber layer, increases the frictional force between packaging bag, to avoid smashed packaging bag is opposite from crushing
31 slide downward of knife, falls from pulverization cylinder 3.
Negative pressure generator 6 is bolted on vehicle frame 8, specifically, the quantity of negative pressure generator 6 may be more
A, the negative pressure generator 6 in the present embodiment selects 1, and the negative pressure generator 6 in the present embodiment selects water and gas dual-purpose pump, tool
Body, select the product of the model WJY2703 of Chengdu Qihai E & M Manufacturing Co., Ltd.'s manufacture, the outlet of negative pressure generator 6
Mouth is communicated with pipeline, and pipeline is connected to separating barrel 1.Negative pressure cavity 21 is equipped in shaft 2,2 side wall of shaft is equipped with to be connected with negative pressure cavity 21
Logical negative pressure hole 22, negative pressure hole 22 are located at the top of pulverization cylinder 3.It is vertically equipped with rotating cage 7 in shaft 2, runs through shaft at the top of rotating cage 7
2, and weld on carriage 8,7 side wall of rotating cage is equipped with several filter openings 71, and rotating cage 7 passes through rotary joint and pipeline and negative pressure generator
6 air inlet connection.The scraper plate 23 being affixed with 7 side wall of rotating cage is welded in negative pressure cavity 21, when shaft 2 rotate when, scraper plate 23 with
Shaft 2 rotate, be detached from the biggish dust of the granularity being attached on rotating cage 7 or packaging bag and rotating cage 7, to avoid filter opening 71
It is blocked.
1 top of separating barrel is equipped with cricoid connection ring 12, and connection ring outer wall and vehicle frame 8 weld；1 outer wall of separating barrel is equipped with peace
Tankage, 12 inner ring of connection ring and mounting groove clearance fit, and several balls 14 are equipped between connection ring 12 and mounting groove.Connection ring
Cricoid connecting cavity 15 is equipped in 12,15 bottom wall of connecting cavity is to be higher than one end far from separating barrel 1 close to one end of separating barrel 1
Inclined-plane, 1 side wall of separating barrel are equipped with the through-hole 11 for being connected to 1 inner cavity of separating barrel with connecting cavity 15, and connecting cavity 15 is communicated with aqueduct
13,13 upper end of aqueduct is aligned with 15 bottom wall of connecting cavity far from one end of separating barrel 1,13 lower end through-connections 4 of aqueduct
Upper end, when cleaning brush 43 moves to 4 upper end of connector, 13 lower end of aqueduct is aligned with cleaning brush 43.The internal diameter of aqueduct 13
For 0.3~0.8cm, the internal diameter of the aqueduct 13 in the present embodiment is 0.5cm.
The cleaning device operating method of the present embodiment is as follows:
First manually clear water is added in separating barrel 1, until clear water did not had through-hole 11, vehicle frame 8 is then pushed to the left, beats simultaneously
Open rotating drive part and negative pressure generator 6.Rotating drive part drive shaft 2 and separating barrel 1 rotate, since guide groove 42 is vertically set
It sets, so cleaning brush 43 can not be rotated relative to shaft 2, cleaning brush 43 is as shaft 2 is relative to the rotation of connector 4, cleaning brush 43
It is slided simultaneously along curved slot 41 and guide groove 42, finally clean brush 43 is helical to being snapped down to behind 4 lower end of connector again
Helical upward sliding, repeatedly.When cleaning brush 43 slides down to 4 lower end of connector, the bristle of cleaning brush 43
With ground face contact, the waste material on ground contacted with cleaning brush 43 after with cleaning brush 43 rotate, then under the action of the centrifugal from cleaning
Mouth 44 is swept into collecting bag 5.
When cleaning brush 43 slides to the upper end of connector 4 upwards, cleaning brush 43 is aligned with the lower end of aqueduct 13, separating barrel
The water on 1 top cleans cleaning brush 43 by aqueduct 13, and the dust adhered on cleaning brush 43 is made to fall off.It is clear after cleaning
Still be attached with part water on clean brush 43, when the cleaning brush 43 again when being contacted with ground, the dust hiked up in air and attachment
It is difficult to the dust cleaned on the ground to be largely attached on cleaning brush 43, cleaning effect is more preferable.
When negative pressure generator 6 works, negative pressure, the lesser dust of granularity, packaging bag are kept in negative pressure cavity 21 and connector 4
With cleaning cleaning brush 43 after sewage be first inhaled into pulverization cylinder 3, packaging bag be crushed knife 31 crush, smashed packaging bag and
Dust is inhaled into together in negative pressure cavity 21, and the lesser dust of granularity, pulverized packaging bag and sewage pass through filter opening 71, through negative pressure
Generator 6 is passed into separating barrel 1, and for sewage after centrifugal sedimentation, the dust in sewage drops down onto the lower part of separating barrel 1, separation
The water on 1 top of bucket can again clean cleaning brush 43.
It repeats the above steps, when the water level in separating barrel 1 is lower than 13 upper end of aqueduct, is added again into separating barrel 1
Water, until the water surface did not had the upper end of aqueduct 13.It is artificial to close rotating drive part and negative pressure generator after bridge cleaning
6, and stop pushing vehicle frame 8, first the water on 1 top of separating barrel is extracted out using extraneous water pump, it then can be by 1 lower part of separating barrel
Sludge centralized processing.After the waste material in collecting bag 5 is more, remove collecting bag 5 can be to the waste material in collecting bag 5 at
Reason.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these also should be considered as guarantor of the invention
Range is protected, these all will not influence the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction portion are well-known technique.
Claims (10)
1. bridge construction cleaning device, it is characterised in that: including vehicle frame and cleaning mechanism, the bottom of frame is equipped with walking
Wheel, the cleaning mechanism include the rotating drive part being fixed on vehicle frame and the shaft with vehicle frame rotation connection, and the shaft is perpendicular
To setting, and shaft lower part is equipped with cleaning brush, and the frame downward is fixed with connector, and the connector is equipped with cleaning mouth,
The connector is equipped with the collecting bag being connected to cleaning mouth.
2. bridge construction cleaning device according to claim 1, it is characterised in that: be fixed with water guide on the vehicle frame
Pipe, the aqueduct is towards cleaning brush.
3. bridge construction cleaning device according to claim 2, it is characterised in that: the connector is tubular, described
The lower end of shaft is located in connector, and the inner wall of the connector is equipped with cricoid curved slot, the curved slot upper and lower two
End is located at two up and down of connector, and the lower end of curved slot is located at the top of cleaning mouth, the bristle of the cleaning brush
Positioned at cleaning brush bottom, curved slot lower end is less than the length of cleaning brush bristle at a distance from ground；It is vertically set in the shaft
There is a guide groove, the cleaning brush is equipped with multiple, and multiple cleaning brush both ends are slidably connected with curved slot and guide groove respectively；Institute
State the negative pressure generator for being fixed on vehicle frame and being connected to connector upper end.
4. bridge construction cleaning device according to claim 3, it is characterised in that: be rotatably connected on the vehicle frame point
From bucket, the separating barrel is located at the top of connector, and the bottom wall of separating barrel, the shaft and separating barrel are run through in the upper end of shaft
It fixes, the outlet of the separation barrel cavity and negative pressure generator, is equipped in the shaft and the entrance of negative pressure generator connects
Logical negative pressure cavity, the shaft are equipped with the negative pressure hole being connected to negative pressure cavity, and the negative pressure hole is connected to connector inner cavity；It is described
The one end of aqueduct far from connector is connected to the top of separating barrel.
5. bridge construction cleaning device according to claim 4, it is characterised in that: between the separating barrel and connector
Equipped with pulverization cylinder, the pulverization cylinder is fixed on vehicle frame, and the shaft runs through pulverization cylinder, and is equipped in pulverization cylinder and fixes with shaft
Crushing knife, the negative pressure hole is located at the top of pulverization cylinder.
6. bridge construction cleaning device according to claim 5, it is characterised in that: the crushing knife is helical form, and
Crushing knife surface is equipped with frictional layer.
7. bridge construction cleaning device according to claim 6, it is characterised in that: the crushing knife far from shaft one
Side is blade.
8. bridge construction cleaning device according to claim 5, it is characterised in that: be rotatably connected in the negative pressure cavity
The interior rotating cage equipped with filter chamber, the rotating cage are fixed with vehicle frame, and the rotating cage side wall is equipped with filter opening, and filter chamber and negative pressure occur
The entrance of device is connected to.
9. bridge construction cleaning device according to claim 8, it is characterised in that: be fixed with and turn in the negative pressure cavity
The scraper plate that cage outer wall offsets.
10. bridge construction cleaning device according to claim 1, it is characterised in that: the collecting bag and connector can
Dismantling connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362839.2A CN109989373B (en) | 2019-04-30 | 2019-04-30 | Cleaning device for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910362839.2A CN109989373B (en) | 2019-04-30 | 2019-04-30 | Cleaning device for bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989373A true CN109989373A (en) | 2019-07-09 |
| CN109989373B CN109989373B (en) | 2020-08-11 |
Family
ID=67135858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910362839.2A Expired - Fee Related CN109989373B (en) | 2019-04-30 | 2019-04-30 | Cleaning device for bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036543A (en) * | 2019-11-30 | 2020-04-21 | 芜湖鼎恒材料技术有限公司 | Filtering and recycling device for metal powder waste |
| CN112915712A (en) * | 2021-02-12 | 2021-06-08 | 于文静 | Chemical industry tail gas processing apparatus |
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| KR20170094942A (en) * | 2016-02-12 | 2017-08-22 | 조선대학교산학협력단 | A vacuum cleaning car |
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| CN206800288U (en) * | 2017-05-09 | 2017-12-26 | 张莉 | A kind of Trailed road sweeper |
| CN206902629U (en) * | 2016-12-28 | 2018-01-19 | 王高圣 | Small-sized electric road sweeper |
| CN109440705A (en) * | 2018-12-21 | 2019-03-08 | 李海 | A kind of new-type civil engineering dedusting clearing apparatus |
| EP3456882A1 (en) * | 2017-09-14 | 2019-03-20 | Aebi Schmidt Deutschland GmbH | Apparatus for the application of a substance to a ground surface |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170094942A (en) * | 2016-02-12 | 2017-08-22 | 조선대학교산학협력단 | A vacuum cleaning car |
| CN206902629U (en) * | 2016-12-28 | 2018-01-19 | 王高圣 | Small-sized electric road sweeper |
| CN206693126U (en) * | 2017-05-04 | 2017-12-01 | 河南天翔新能源专用车有限公司 | A kind of road sweeper side brush dust arrester |
| CN206800288U (en) * | 2017-05-09 | 2017-12-26 | 张莉 | A kind of Trailed road sweeper |
| EP3456882A1 (en) * | 2017-09-14 | 2019-03-20 | Aebi Schmidt Deutschland GmbH | Apparatus for the application of a substance to a ground surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036543A (en) * | 2019-11-30 | 2020-04-21 | 芜湖鼎恒材料技术有限公司 | Filtering and recycling device for metal powder waste |
| CN112915712A (en) * | 2021-02-12 | 2021-06-08 | 于文静 | Chemical industry tail gas processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109989373B (en) | 2020-08-11 |
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Granted publication date: 20200811 Termination date: 20210430 |