CN109811685A - A kind of cleaning agency - Google Patents
A kind of cleaning agency Download PDFInfo
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- CN109811685A CN109811685A CN201910223284.3A CN201910223284A CN109811685A CN 109811685 A CN109811685 A CN 109811685A CN 201910223284 A CN201910223284 A CN 201910223284A CN 109811685 A CN109811685 A CN 109811685A
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Abstract
The invention discloses a kind of cleaning agency, cleaning agency includes two groups of air nozzle mechanisms being oppositely arranged, and every group of air nozzle mechanism includes at least one gas nozzle, and the gas nozzle of any group of mechanism is towards the one end in the face of cleaning towards another group of mechanism tilts；It is formed between the beveled end of Liang Zu mechanism and cleans space；Each gas nozzle is arranged with gas blow pipe and air intake duct away from the one end in cleaning face, and gas blow pipe with blowing device for being connected to, and air intake duct with extractor fan for being connected to；Gas blow pipe and air intake duct all have and the opening state of corresponding airflow channel connection, and the closed state of disconnection connection；The switching valve switched for realizing gas blow pipe and air intake duct state or switching door are equipped in airflow channel.Can neatly adjust the position of each gas nozzle according to field working conditions, and each gas nozzle air blowing and pumping function can be with flexible conversion, which is particularly suitable for region between subway rail and cleans and the cleaning in the complex working conditions regions such as subway tunnel wall surface.
Description
Technical field
The present invention relates to environmental sanitation cleaning equipment technical field more particularly to a kind of cleaning agencies.
Background technique
In order to ensure the good running environment of subway and operational safety, subway tunnel must be cleaned.Subway tunnel
Cleaning environment is more complicated than the environment of ordinary road and is difficult to clean, and region and tunnel wall surface are often disposed with especially between subway rail
The facilities such as appliances and trench, track and railway spike such as cable, signal box will affect the effect of cleaning work.
There are three ways to air removal that clearing apparatus uses both at home and abroad at present form: 1) by broom drivingly upper rubbish
Rubbish, then dustbin is sucked by suction nozzle；2) by hydrodynamic cleaning ground, then pass through suction nozzle and remaining rubbish is sucked into dustbin；
3) blow, the relative position of suction nozzle is fixed, rubbish is blown afloat from ground using blow gun, is then sucked rubbish with air-flow by suction nozzle
Dustbin.Wherein, often appliance is touched by the movement of broom and influence its performance, even will affect subway when serious
Run or cause traffic accident；Also, broom driving rubbish is easy to cause flying dust to raise into atmosphere and secondary pollution occur, even if adopting
If there is secondary pollution when watering being taken to prevent broom from sweeping the floor, but will cause the rubbish such as dust it is moist and be adhered to ground and can not
Suck suction nozzle.Hydrodynamic cleaning is easy to cause the humidity of the wet and slippery and air on ground, so that the electric appliance in such as subway tunnel is easy
Appearance is corroded or leaks electricity；And the problem of there is also water resource wastes.It blows, the relatively-stationary mode in suction nozzle position, it is general only suitable
For broad and opposed flattened road, it is difficult to be suitble to the cleaning in region and tunnel wall surface between complicated rail, lead to sweeping efficiency
It is low.In addition, a kind of existing exhaust using deduster, which introduces cleaning road surface by pipeline, blows afloat pavement garbage, dust absorption nozzle is assisted to inhale
The mode of dirt, but this method causes pressure-vaccum route to be fixed because not having gas circuit switching mechanism；Gas nozzle can not be with flexible position
It sets and is effectively blown, cause pressure-vaccum combination that cannot be well adapted for complicated cleaning operating condition；And due to not dedicated
Gas nozzle and make strength not big enough, cause the rubbish such as some grits to be not easy to start, so that sweeping efficiency is low.
As it can be seen that the sweeping efficiency of existing cleaning scheme and cleaning effect are unable to satisfy complex road surface, especially subway tunnel
The cleaning of road complex environment.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, and providing one kind can the cleaning of flexible adaptation complexity
The cleaning agency of environment.
Make technical solution to solve above-mentioned technical problem, a kind of cleaning agency of the invention, including two groups be oppositely arranged
Air nozzle mechanism, every group of air nozzle mechanism includes at least one gas nozzle, and each gas nozzle all has airflow channel, any group of air nozzle mechanism
Gas nozzle towards clean face one end tilted towards another group of air nozzle mechanism；It is formed and is cleaned between the beveled end of two groups of air nozzle mechanisms
Space；
Each gas nozzle is arranged with gas blow pipe and air intake duct away from the one end in cleaning face, and the gas blow pipe is used to connect with blowing device
Logical, the air intake duct with extractor fan for being connected to；The gas blow pipe and air intake duct all have to be connected to corresponding airflow channel
Opening state, and with corresponding airflow channel disconnect connection closed state；Wherein the gas nozzle of one group of air nozzle mechanism is blown
In the open state, the air intake duct of the gas nozzle of the air nozzle mechanism is in close state tracheae, while another group of air nozzle mechanism
Gas nozzle air intake duct is in the open state and the gas blow pipe of the gas nozzle of another group of air nozzle mechanism is in close state；It is described
The switching mechanism switched for realizing gas blow pipe and air intake duct state is equipped in airflow channel.
Above-mentioned cleaning agency is installed on clearing apparatus, by the position adjusting mechanism on clearing apparatus, according to scene
Operating condition neatly adjusts the positional distance of two gas nozzles, and neatly selects the inclination angle to the face of cleaning, so that gas nozzle is with suitable
Position air-flow is blowed into cleaning face, thus the rubbish such as grit, paper scrap, leaf on the cleaning face of drive, and by extractor fan
Gas is siphoned away together with rubbish.Region cleans and the complex working conditions regions such as subway tunnel wall surface between the structure is particularly suitable for subway rail
Cleaning.
Also, according to actual cleaning environmental aspect, gas nozzle can not only carry out blown work but also can carry out suction operation,
I.e. blowing function and pumping function mutually can be converted neatly.Airflow channel inside gas nozzle is at Y-type layout, cutting in gas nozzle
It changes valve or switches the on and off of goalkeeper's gas blow pipe and air intake duct and separate, it can be between air blowing air-flow and inspiratory airflow
Avoid mutual influence.Further improve the cleaning effect of complex environment.
It is as follows as a further improvement of the above technical scheme:
The switching mechanism is switching valve or switching door.
The revolute pair that the gas nozzle is equipped with convenient for being connected with the position adjusting mechanism of clearing apparatus up-regulation solar term mouth position.
There are two the revolute pair is set.
The gas nozzle of every group of air nozzle mechanism is equipped with multiple, and multiple gas nozzles of every group of air nozzle mechanism are linearly or arc shaped row
Column.
Compared with the prior art, the advantages of the present invention are as follows:
1, cleaning agency of the invention by control system and position adjusting mechanism set the positions of two or more gas nozzles into
Row integration of operation, to adapt to complicated cleaning environment, to obtain good cleaning effect.When the shape that rubbish is accumulated on ground
When shape complexity, need to take most suitable gas nozzle position and most suitable blowing direction that could obtain good cleaning effect.Ground
The cleaning in iron tunnel is more difficult than the cleaning of prevailing roadway, when near each gas nozzle operation to the equipment between subway rail in region,
Can according to actual cleaning situation come the distance between the pressure-vaccum direction of each gas nozzle of flexible modulation, each gas nozzle and each gas nozzle with
The angle of ground inclination, to realize that high-efficient cleaning is swept the floor the effect in region between rail；When carry out subway tunnel wall surface environment it is clear
When sweeping, often setting up on tunnel wall surface can be according to bracket pipeline when near each gas nozzle operation to cable there are many cable
Flexible arrangement adjust the tilt angle of the distance between each gas nozzle and each gas nozzle and wall surface, effectively clean wall surface to realize
Effect.As it can be seen that the present invention has good adaptability to the distribution situation for cleaning operating condition and rubbish, it is efficiently convenient to may be implemented
The effect of cleaning and have the characteristics that sweeping efficiency high-adaptability is wide.The present invention can be used for urban road, flooring and ground
The cleaning of the various environment such as iron tunnel cleans the cleaning with subway tunnel wall surface, the present invention in particular for region between subway rail
It can be with these complicated cleaning environment of flexible adaptation.
2, the disadvantage for making environment wet and slippery due to avoiding water soaking also avoids on ground installation because broom drives
Rubbish and the disadvantages of cause reentrainment of dust, thus have the characteristics that environmental-friendly.
3, it is difficult to the shortcomings that sucking suction nozzle since dust caused by avoiding watering adheres to ground, thus the invention enables fields
Ground is easy to clean up.
Detailed description of the invention
Fig. 1 is the cleaning agency schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the operation schematic diagram that the cleaning agency of 1 air-flow of the embodiment of the present invention to the left cleans ground.
Fig. 3 is the operation schematic diagram that the cleaning agency of 1 air-flow of the embodiment of the present invention to the right cleans ground.
Fig. 4 is that the cleaning agency of the embodiment of the present invention 1 cleans the operation schematic diagram in region between subway rail.
Fig. 5 is the operation schematic diagram that the cleaning agency of 1 air-flow of the embodiment of the present invention to the left cleans region between subway rail.
Fig. 6 is the operation schematic diagram that the cleaning agency of 1 air-flow of the embodiment of the present invention to the right cleans region between subway rail.
Fig. 7 is that the cleaning agency of the embodiment of the present invention 1 cleans the operation schematic diagram of subway tunnel wall.
Fig. 8 is that the gas nozzle in the embodiment of the present invention is installed on the schematic diagram of mechanism movement on position adjusting mechanism.
Fig. 9 is that the cleaning agency of the embodiment of the present invention 2 cleans the operation schematic diagram on road surface.
Marginal data: 1, gas nozzle；2, baffle；3, revolute pair；4, face is cleaned；5, region between rail；6, tunnel wall surface；7, cable
Hook；8, cable；9, road surface；11, airflow channel；11, gas blow pipe；12, air intake duct.
Specific embodiment
Below in conjunction with specific preferred embodiment, the invention will be further described, but not thereby limiting the invention
Protection scope.
Embodiment 1
As shown in Figure 1, the cleaning agency of the present embodiment, the air nozzle mechanism being oppositely arranged including two groups, every group of air nozzle mechanism include
One gas nozzle 1, each gas nozzle 1 all have airflow channel 11, and the gas nozzle 1 of any group of air nozzle mechanism is towards one end court for cleaning face 4
It is tilted to another group of air nozzle mechanism；It is formed between the beveled end of two gas nozzles 1 and cleans space.
Each gas nozzle 1 is arranged with gas blow pipe 12 and air intake duct 13 away from the one end in cleaning face 4, and gas blow pipe 12 is used for and air blast
The connection of the blowing devices such as machine, air intake duct 13 with extractor fans such as negative-pressure air fans for being connected to；Gas blow pipe 12 and air intake duct 13 have
Have and the opening state of corresponding airflow channel 11 connection, and the closed state being connected to the disconnection of corresponding airflow channel 11；
Wherein in the open state, the air intake duct 13 of the gas nozzle 1 of air nozzle mechanism is in the gas blow pipe 12 of the gas nozzle 1 of one group of air nozzle mechanism
The gas of closed state, the simultaneously in the open state and another group of air nozzle mechanism of air intake duct 13 of the gas nozzle 1 of another group of air nozzle mechanism
The gas blow pipe 12 of mouth 1 is in close state；It is equipped in airflow channel 11 and switches for realizing gas blow pipe 12 and 13 state of air intake duct
Switching door.In the present embodiment, switching door is baffle 2, and one end of baffle 2 is articulated with the connection of gas blow pipe 12 and air intake duct 13
Place, the other end of baffle 2 can rotate to realize the switching of 13 state of gas blow pipe 12 and air intake duct around hinge joint.
Wherein, gas nozzle 1 is hinged by revolute pair 3 with position adjusting mechanism.In the present embodiment, pass through two revolute pairs 3
It carries out hinged.
Each gas blow pipe 12 on cleaning agency of the invention is connected to blowing device, each air intake duct 13 connects with extractor fan
It is logical.Principle explanation is carried out for cleaning ground below:
As shown in Fig. 2, being assessed for cleaning environment, and determine cleaning scheme before cleaning agency work, passing through position
Regulating mechanism controls revolute pair 3, thus two gas nozzles 1 of control between the height and angle on ground and two gas nozzles 1 away from
From.Control system drives baffle 2 to rotate, and closes the connection of the gas blow pipe 12 and airflow channel 11 of left side gas nozzle 1, and closes the right
The connection of the air intake duct 13 and airflow channel 11 of gas nozzle 1.Air-flow from blowing device enters through the gas blow pipe 12 of the right gas nozzle 1
The airflow channel 11 of the right gas nozzle 1, the right gas nozzle 1 undertake blown work, and the rubbish on ground 4 is blown afloat, while extractor fan work
Make, left side gas nozzle 1 undertakes air-breathing work at this time, and left side gas nozzle 1 sucks the gas for blowing afloat rubbish, and rubbish is through left side gas nozzle 1
The air intake duct 13 of airflow channel 11 and left side gas nozzle 1 enters among dust collect plant.Airflow direction is from right to left, such as Fig. 2 arrow
It is shown；
As shown in figure 3, generally requiring the direction opposite with air-flow shown in Fig. 2 carries out operation, this is only needed each gas nozzle 1
On switching mechanism reverse operating, cleaning air-flow from left to right as see arrows 17 in fig 3 can be obtained.
As Figure 4-Figure 6, using the cleaning agency of the present embodiment between the ground of region 5(i.e. two piece interorbital subway rail)
Blown, inhaled the air removal of flexible combination.
As shown in figure 4, in the present embodiment, for two revolute pairs 3, being respectively designed with the hinged seat with mounting hole
A, and the coaxial shaft B positioned at 1 two sides of gas nozzle, the baffle 2 of switching mechanism receive and control by being hinged with rotating shaft C
The position control of system processed and control mechanism.Before subway clearing apparatus (such as underground railway track sweeper) starts cleaning, pass through
Control system and position adjusting mechanism determine that gas nozzle carries out operation for the height and angle on railway roadbed ground.
As shown in figure 5, control system drives 2 turns of baffle when subway clearing apparatus (such as underground railway track sweeper) operation
It is dynamic, the connection of the gas blow pipe 12 and airflow channel 11 of left side gas nozzle 1 is closed, and close the air intake duct 13 and air-flow of the right gas nozzle 1
The connection in channel 11.Air-flow from blowing device enters the airflow channel of the right gas nozzle 1 through the gas blow pipe 12 of the right gas nozzle 1
11, the right gas nozzle 1 undertakes blown work, and the rubbish between rail in region 5 is blown afloat, while extractor fan works, at this time left side gas
Mouth 1 undertakes air-breathing work, and left side gas nozzle 1 sucks the gas for blowing afloat rubbish, airflow channel 11 and a left side of the rubbish through left side gas nozzle 1
The air intake duct 13 of side gas nozzle 1 enters among the dust collect plant of clearing apparatus.Airflow direction is from right to left, as arrows in fig. 5.
As shown in fig. 6, generally requiring the direction opposite with air-flow shown in fig. 5 carries out operation, this is that only need will be each
Cleaning air-flow from left to right as indicated by arrows in fig. 6 can be obtained in switching mechanism reverse operating on gas nozzle 1.
As shown in fig. 7, the gas of flexible combination is blown subway tunnel wall face 6, inhaled using the cleaning agency of the present embodiment
Power cleans, and implements the cleaning for regions such as tunnel wall surface 6, cable clip 7 and cables 8.
In the present embodiment, for two revolute pairs 3, it is respectively designed with the hinged seat A with mounting hole, and be located at
The coaxial shaft B of 1 two sides of gas nozzle passes through control before subway clearing apparatus (such as underground railway track sweeper) starts cleaning
System and position adjusting mechanism determine that gas nozzle carries out operation for the height and angle of tunnel wall surface.
Air-flow from blowing device enters the airflow channel 11 of top gas nozzle 1 through the gas blow pipe 12 of top gas nozzle 1, at this time
Top gas nozzle 1 undertakes blown work, and the rubbish on tunnel wall surface 6 is blown afloat, while extractor fan works, at this time lower section gas nozzle 1
Air-breathing work is undertaken, the rubbish that lower section gas nozzle 1 blows afloat top gas nozzle 1 sucks, airflow channel 11 He of the rubbish through lower section gas nozzle 1
Air intake duct 13 enters among dust collect plant.
In actual application, the opposite ground of this cleaning agency can be controlled by control system and position adjusting mechanism
Metope position or angle adjustment.
Fig. 8 illustrates gas nozzle 1 for the present invention and is installed on the position tune on clearing apparatus and realizing gas nozzle by revolute pair 3
One of specific structure of section:
The position adjusting mechanism of gas nozzle is a mechanical arm, the mechanical arm of similar such as common excavator.In this example, two turn
Dynamic pair 3 is denoted as revolute pair O and revolute pair P respectively.The mechanical arm connects gas nozzle by revolute pair O, P.The mechanical arm mechanism packet
Including rack 1-0；Revolute pair has E, F, G, H, I, J, K, L, M, N, O, P movable part to have 1-1,1-2,1-3,1-4,1-5,1-6,1-
7,1-8,1-9,1-10,1-11；Prismatic pair has 3, respectively by the inner surface structure of the piston face of 3 cylinder interiors and cylinder
At.Wherein, movable part 1-3 is the cylinder body of hydraulic cylinder 1, and movable part 1-4 is the piston rod of hydraulic cylinder 1, one end of hydraulic cylinder 1
It is hinged by revolute pair F and movable part 1-1, the other end of hydraulic cylinder 1 is hinged by revolute pair H and movable part 1-2.
Movable part 1-6 is the cylinder body of hydraulic cylinder 2, and movable part 1-5 is the piston rod of hydraulic cylinder 2, and 2 one end of hydraulic cylinder passes through revolute pair
J is hinged with movable part 1-7, and 2 other end of hydraulic cylinder is hinged by revolute pair I and movable part 1-2.Component 1-8 is liquid
The cylinder body of cylinder pressure 3, component 1-9 are the piston rod of hydraulic cylinder 3, and 3 one end of hydraulic cylinder is cut with scissors by revolute pair L with movable part 1-7 phase
It connects, 3 other end of hydraulic cylinder is hinged by revolute pair N and movable part 1-10,1-11.It is controlled by automatic control system hydraulic
The movement of the opposing cylinder of 3 inner piston rod of cylinder 1, hydraulic cylinder 2 and hydraulic cylinder moves to control before and after gas nozzle carries out in plummet face
Dynamic, lifting and rotation.Meanwhile mechanical arm mechanism and rack 1-0 are hinged by revolute pair E, so that mechanical arm mechanism can be with
The whole rotation around perpendicular in the horizontal plane.Finally, gas nozzle can be moved and be accurately positioned in the space around rack,
So that gas nozzle carries out cleaning work with most suitable position.
Embodiment 2
As shown in figure 9, the cleaning agency of the present embodiment, the air nozzle mechanism being oppositely arranged including two groups, wherein undertake blown work
Two gas nozzles 1 arrange at an angle, one end towards road surface 9, and towards undertake pumping work gas nozzle 1 tilt, three
Gas nozzle 1 surrounds a cleaning space.
The specific structure of gas nozzle 1 is same as Example 1, and details are not described herein.
The air removal of flexible combination is blown, inhaled using the road surface for being difficult to clean in road pavement 9 of the present invention, is implemented
Cleaning for road surface 9.
In the present embodiment, for two revolute pairs 3, it is respectively designed with the hinged seat A with mounting hole, and be located at
The coaxial shaft B of 1 two sides of gas nozzle.And work compound is carried out using three gas nozzles 1, two of them gas nozzle 1 undertakes blown work,
It is blown respectively with both direction road pavement 9, another gas nozzle 1 undertakes air-breathing work, and three gas nozzles 1 pass through two rotations
Pair 3 is connected with the position adjusting mechanism of clearing apparatus.Before road-surface cleaning apparatus (such as pavement cleaning vehicle) starts cleaning, pass through
Position adjusting mechanism adjusts the distance between three gas nozzles 1 and angle and height and angle with road surface 9, pavement cleaning vehicle exist
Horizontal direction Mobile cleaning, the air-flow that the air-flow from blowing device enters two gas nozzles 1 through the gas blow pipe 12 of two gas nozzles 1 are logical
Road 11, two gas nozzles 1 undertake blown work at this time, and rubbish rubbish is obstinate, not in the road surface region of easy cleaning is blown afloat, simultaneously
Extractor fan work, another gas nozzle 1 undertakes air-breathing work at this time, and the rubbish that another gas nozzle 1 blows afloat two gas nozzles 1 is inhaled
Enter, airflow channel 11 and air intake duct 13 of the rubbish through another gas nozzle 1 enter among disposal box.Airflow direction such as Fig. 9 arrow institute
Show.
The specific structure of the position adjusting mechanism of gas nozzle is same as Example 1, and details are not described herein.
The above is only the preferred embodiment of the application, not does any type of limitation to the application, although this Shen
Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off
In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to
Case study on implementation is imitated, is belonged in technical proposal scope.
Claims (5)
1. a kind of cleaning agency, which is characterized in that the air nozzle mechanism being oppositely arranged including two groups, every group of air nozzle mechanism include at least
One gas nozzle (1), each gas nozzle (1) all have airflow channel (11), and the gas nozzle (1) of any group of air nozzle mechanism is towards the face of cleaning
(4) one end is tilted towards another group of air nozzle mechanism；It is formed between the beveled end of two groups of air nozzle mechanisms and cleans space；
Each gas nozzle (1) is arranged with gas blow pipe (12) and air intake duct (13), the gas blow pipe (5) away from the one end of cleaning face (4)
For being connected to blowing device, the air intake duct (13) with extractor fan for being connected to；The gas blow pipe (12) and air intake duct
(13) opening state being connected to corresponding airflow channel (11) is all had, and disconnects and being connected to corresponding airflow channel (11)
Closed state；Wherein the gas blow pipe (12) of the gas nozzle (1) of one group of air nozzle mechanism in the open state, the air nozzle mechanism
The air intake duct (13) of gas nozzle (1) is in close state, while the air intake duct (13) of the gas nozzle (1) of another group of air nozzle mechanism is in and beats
The gas blow pipe (12) of the gas nozzle (1) of open state and another group of air nozzle mechanism is in close state；The airflow channel (11)
In be equipped with for realizing gas blow pipe (12) and air intake duct (13) state switching switching mechanism.
2. the cleaning agency according to claim 1, which is characterized in that the switching mechanism is switching valve or switching door.
3. cleaning agency according to claim 1, which is characterized in that the gas nozzle (1), which is equipped with, to be convenient for and clearing apparatus
Raise the connected revolute pair (3) of the position adjusting mechanism of solar term mouth (1) position.
4. cleaning agency according to claim 3, which is characterized in that there are two the revolute pair (3) sets.
5. cleaning agency according to claim 1-4, which is characterized in that the gas nozzle (1) of every group of air nozzle mechanism is set
Have multiple, multiple gas nozzles (1) of every group of air nozzle mechanism are linearly or arc shaped arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223284.3A CN109811685A (en) | 2019-03-22 | 2019-03-22 | A kind of cleaning agency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223284.3A CN109811685A (en) | 2019-03-22 | 2019-03-22 | A kind of cleaning agency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109811685A true CN109811685A (en) | 2019-05-28 |
Family
ID=66610095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910223284.3A Withdrawn CN109811685A (en) | 2019-03-22 | 2019-03-22 | A kind of cleaning agency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109811685A (en) |
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| CN111042034A (en) * | 2019-12-25 | 2020-04-21 | 福建龙马环卫装备股份有限公司 | Automatic control system and automatic control method for operation state of sweeper |
| CN114472258A (en) * | 2022-03-02 | 2022-05-13 | 中铁十五局集团有限公司 | A dross cleans transport system for on colliery inclined shaft arc bottom surface |
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| CN111042034A (en) * | 2019-12-25 | 2020-04-21 | 福建龙马环卫装备股份有限公司 | Automatic control system and automatic control method for operation state of sweeper |
| CN114472258A (en) * | 2022-03-02 | 2022-05-13 | 中铁十五局集团有限公司 | A dross cleans transport system for on colliery inclined shaft arc bottom surface |
| CN114472258B (en) * | 2022-03-02 | 2023-11-07 | 中铁十五局集团有限公司 | Scum cleaning and conveying system for arc bottom surface of inclined shaft of coal mine |
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Application publication date: 20190528 |