CN112108440A - Door frame type cleaning dust falling machine - Google Patents
Door frame type cleaning dust falling machine Download PDFInfo
- Publication number
- CN112108440A CN112108440A CN202011091677.2A CN202011091677A CN112108440A CN 112108440 A CN112108440 A CN 112108440A CN 202011091677 A CN202011091677 A CN 202011091677A CN 112108440 A CN112108440 A CN 112108440A
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- Prior art keywords
- motor
- cavity
- water
- dust
- water pump
- 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.)
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Links
- 239000000428 dust Substances 0.000 title claims abstract description 36
- 238000004140 cleaning Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 230000000694 effects Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 206010024796 Logorrhoea Diseases 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/20—Non-portable devices, e.g. spraying booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
A door frame type cleaning dust falling machine comprises a water dropping mechanism, a water pump and a main dust falling device, wherein the water dropping mechanism is fixedly mounted on an upper support, a water dropping motor box is uniformly and fixedly mounted at the upper end of the upper support, a water dropping motor cavity with a downward opening is formed in the water dropping motor box, and a water dropping motor is fixedly mounted in the water dropping motor cavity.
Description
Technical Field
The invention relates to a door frame type cleaning dust falling machine, and mainly relates to the technical field of air purification.
Background
The construction raise dust is because of the artificial activity of construction arouses, its raise dust granule can remove along with the air flow under the influence of the artificial activity of construction, become tiny particulate matter at last, easily be inhaled by the people, in case get into the lung, will arouse a series of diseases, harm people's life even, raise dust also is one of the influence of building site to the industrial area outside simultaneously, not only influence the building site internal environment, also can harm the industrial area safety outside, but current dust blower is bulky, can only follow up spraying water smoke down, also can bring the dust at the raise dust in-process.
Workers can also have a large amount of dust on bodies after working, the health of the workers is influenced, and the image is influenced, so that the dust-reducing machine is improved, and the workers can be cleaned after the working every day is finished
In view of the above, the dust falling machine is bulky and inconvenient, and the invention improves upon the above disadvantages and provides for a clean interface of the dust falling machine with workers.
Disclosure of Invention
The invention aims to provide a door frame type cleaning dust falling machine, which overcomes the problems.
The invention is realized by the following technical scheme.
The invention relates to a door frame type cleaning dust-reducing machine, which comprises a water dropping mechanism, a water pump and a main dust-reducing device, wherein the water dropping mechanism is fixedly arranged on an upper bracket, a water dropping motor box is uniformly and fixedly arranged at the upper end of the upper bracket, a water dropping motor cavity with a downward opening is arranged in the water dropping motor box, a water dropping motor is fixedly arranged in the water dropping motor cavity, a water dropping motor push rod is a water dropping motor push rod, the water dropping motor push rod penetrates through a water dropping motor push rod cavity communicated with the water dropping motor cavity and the water dropping support rod cavity and is fixedly connected to the upper end of a water dropping support rod at the lower end, slide rail sliders are fixedly arranged at the left end and the right end of the water dropping support rod and can be arranged in side sliding channels with left and right openings of the water dropping support rod cavity in a vertical sliding manner, a water dropping block rod is uniformly and fixedly arranged at the bottom end of the water dropping support rod, a fixed block is arranged at the bottom end, the left end and the right end of the water dripping cavity are communicated with a water dripping middle pipe, the water dripping cavity is opened in a water dripping tank and is communicated with a water dripping port at the bottom end, the bottom end of the water dripping port is just opposite to the upper end of a main dust fall device, the main dust fall device is rotatably installed between a right bracket and a left supporting rod, a dust fall rotating device is fixedly installed at the left end of the left supporting rod, the main body of the dust fall rotating device is a rotating motor box, a rotating motor cavity with a downward opening is opened in the rotating motor box, a rotating motor is fixedly installed in the rotating motor cavity, a rotating shaft of the rotating motor extends downwards into a bevel gear cavity, a driving bevel gear is fixedly installed at the bottom end of the rotating shaft of the rotating motor, the right side of the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is fixedly installed at the left end of a driven bevel gear shaft, the driven bevel, the dust-settling motor cavity side wall is fixedly provided with a dust-settling motor supporting rod, the dust-settling motor supporting rod fixes a dust-settling motor in the center of the dust-settling motor cavity, a dust-settling motor cavity rotating shaft is a dust-settling motor shaft, dust-settling fan blades are uniformly and fixedly arranged on the dust-settling motor shaft, the upper end of the main dust-settling device is provided with a vibration motor box, a vibration motor cavity which is opened towards the left and right is arranged in the vibration motor box, a vibration motor is fixedly arranged in the vibration motor cavity, the left and right of the vibration motor are fixedly provided with a screen supporting rod, the bottom of the screen supporting rod is fixedly arranged, a screen cavity which is communicated up and down is arranged in the screen frame, a water screen is fixedly arranged in the screen cavity, the vibration motor box is fixedly arranged at the upper end of the vibration motor supporting rod, the vibration motor supporting rod is fixedly arranged at, the water pump is characterized in that a water pump is fixedly mounted at the left end of the upper support, a water pump cavity with a left downward opening is formed in the water pump, a water pump motor cavity with a left opening communicated with the water pump cavity is formed in the right wall of the water pump cavity, a water pump motor is fixedly mounted in the water pump motor cavity, a water pump motor rotating shaft is a water pump blade shaft, a water pump blade is fixedly mounted on the water pump blade shaft, the left opening of the water pump cavity is a water pump inlet, a water inlet pipe is fixedly mounted on the water pump inlet in a wrapping mode, the downward opening of the water pump cavity is a water pump water outlet and is connected with a middle guide pipe, and the right end of the middle guide pipe is connected with a.
Furthermore, a laser frame is fixedly mounted at the left end of the left support rod, a laser emitting device is fixedly mounted in the laser frame, and a light receiving device opposite to the laser emitting device is mounted at the left end of the right support.
Furthermore, a base support is symmetrically and fixedly installed at the bottom ends of the left support rod and the right support, pulley cavities are symmetrically formed in the base support in the front-back direction, the pulley cavities are rotatably installed in the pulley cavities, and pulley baffles are fixedly installed at the outer ends of the pulley cavities.
The invention has the beneficial effects that: the dust-settling machine is improved and made into a door frame shape, the door frame can be placed at a building site gate, the situation that dust is raised due to cleaning of the building site gate is guaranteed, passing workers can be identified, cleaning and disinfection of the workers or work pause when workers and vehicles pass can be finished, the effect of not influencing the visual field of the workers and vehicles is guaranteed, the whole machine can move freely, certain portability is achieved, and the workers can be conveniently transported or transferred.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged schematic structural view of the dustfall rotating device 31 in fig. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged left-hand side view of the water pump 14 of FIG. 1;
FIG. 5 is an enlarged schematic view of B of FIG. 1;
FIG. 6 is an enlarged schematic view of C in FIG. 1;
fig. 7 is an enlarged structural diagram of the vibration motor at the supporting rod 53 in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine attached figure 1-7 a clean dust fall machine of door frame formula, including the mechanism 17 that drips, water pump 14 and main dust device 25, drip mechanism 17 fixed mounting on upper bracket 18, the even fixed mounting in upper bracket 18 upper end has a motor case 68 that drips, it has opening decurrent drip motor chamber 67 to open in the motor case 68 that drips, fixed mounting has a drip motor 66 in the motor chamber 67 that drips, drip motor 66 push rod is dripping motor push rod 78, drip motor push rod 78 passes the intercommunication drip motor chamber 67 and drip motor push rod chamber 79 of pole chamber 80 and fixed connection in the lower extreme branch 77 upper end that drips, drip branch 77 left and right sides fixed mounting has slide slider 70, the gliding installation about slide slider 70 drips in the pole chamber 80 left and right sides open-ended sideslip is said 69, the even fixed mounting in branch 77 bottom has a resistance block 76, the bottom end of the dripping block rod 76 is fixedly provided with a dripping block 74 and extends into a dripping cavity 73, the left end and the right end of the dripping cavity 73 are communicated with a dripping middle pipe 71, the dripping cavity 73 is arranged in a dripping tank 72 and is communicated with a dripping port 75 at the bottom end, the bottom end of the dripping port 75 is over against the upper end of a main dust falling device 25, the main dust falling device 25 is rotatably arranged between a right bracket 24 and a left supporting rod 30, the left end of the left supporting rod 30 is fixedly provided with a dust falling rotating device 31, the main body of the dust falling rotating device 31 is a rotating motor box 36, a rotating motor cavity 37 with a downward opening is arranged in the rotating motor box 36, a rotating motor 43 is fixedly arranged in the rotating motor cavity 37, the rotating shaft of the rotating motor 43 extends downwards into a bevel gear cavity 41, the bottom end of the rotating shaft of the rotating motor 43 is fixedly provided with a driving bevel gear 42, and the right side of the driving bevel gear 42, the dust-settling device is characterized in that the driven bevel gear 40 is fixedly mounted at the left end of a driven bevel gear shaft 39, the driven bevel gear shaft 39 is fixedly mounted at the left end of a main dust-settling device 25, a dust-settling motor cavity 56 is uniformly formed in the main dust-settling device 25, a dust-settling motor supporting rod 57 is fixedly mounted on the side wall of the dust-settling motor cavity 56, a dust-settling motor 44 is fixed to the center of the dust-settling motor cavity 56 by the dust-settling motor supporting rod 57, a dust-settling motor shaft 58 serves as a rotating shaft of the dust-settling motor cavity 56, dust-settling fan blades 59 are uniformly and fixedly mounted on the dust-settling motor shaft 58, a vibration motor box 50 is arranged at the upper end of the main dust-settling device 25, a vibration motor cavity 51 with left and right openings is formed in the vibration motor box 50, a vibration motor 49, the screen frame 47 is provided with a screen cavity 46 which is through up and down, the screen cavity 46 is fixedly provided with a water screen 45, a vibration motor box 50 is fixedly arranged at the upper end of a vibration motor supporting rod 53, the vibration motor supporting rod 53 is fixedly arranged at the upper end of a vibration disc 54, the vibration disc 54 can be arranged in a vibration gap cavity 52 which is opened upwards at the upper end of a dust fall seat 55 in a left-right and front-back sliding manner, the left end of an upper bracket 18 is fixedly provided with a water pump 14, the water pump 14 is internally provided with a water pump cavity 35 which is opened downwards towards the left, the right wall of the water pump cavity 35 is provided with a water pump motor cavity 16 which is opened towards the left and communicated with the water pump cavity 35, the water pump motor cavity 16 is internally and fixedly provided with a water pump motor 15, the rotating shaft of the water pump motor 15 is a water pump blade shaft 13, the water pump blade 34 is fixedly arranged on the water pump blade shaft 13, the left opening, the downward opening of the water pump cavity 35 is a water outlet 33 of the water pump and is connected with an intermediate conduit 32, and the right end of the intermediate conduit 32 is connected with a dripping intermediate pipe 71 at the leftmost end of the dripping mechanism 17.
Beneficially, the left support rod 30 is fixedly mounted with a laser frame 29 at the left end, the laser emitting device 28 is fixedly mounted in the laser frame 29, and the right support 24 is mounted with the light receiving device 21 at the left end opposite to the laser emitting device 28. Beneficially, the bottom ends of the left support rod 30 and the right support 24 are symmetrically and fixedly installed with a base support 64, the base support 64 is symmetrically provided with pulley cavities 22 in a front-back manner, the pulley cavities 22 are rotatably installed with pulley cavities 23, and the outer ends of the pulley cavities 23 are fixedly installed with pulley baffles 27.
Sequence of mechanical actions of the whole device: when the whole device works, the water pump motor 15 in the water pump 14 is started to drive the water pump paddle shaft 13 and the water pump paddle 34 to rotate, so that water in the water inlet pipe 11 is sucked into the water pump cavity 35 and is input into the water pump water outlet 33, the water flow smart water pump water outlet 33 enters the middle water dripping pipe 71 from the middle conduit 32 and enters the water dripping cavity 73, then the water dripping motor cavity 67 is started to drive the water dripping motor push rod 78 to move up and down, the water dripping block rod 76 and the water dripping block 74 move up and down along with the water dripping motor push rod 78, the flow rate of the water flow falling from the water dripping port 75 is adjusted, and the water flow directly falls to the upper end of the water screen 45 from the water dripping port 75.
When someone passes through the bottom end, the laser emitting device 28 detects that someone passes through the bottom end, the upper end water dripping motor 66 can be temporarily reversed, the water dripping block 74 is made to move downwards to block the water dripping opening 75, water is sprayed downwards in a suspending mode, or when a disinfection requirement exists, someone passes through the laser emitting device and is temporarily started, water is sprayed downwards, water mist in the dust falling motor cavity 56 is sprayed out, and the cleaning and disinfection effects are achieved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a clean dust fall machine of door frame formula, includes the mechanism that drips, water pump and main dust device, its characterized in that: the water dripping mechanism is fixedly installed on the upper support, a water dripping motor box is evenly and fixedly installed at the upper end of the upper support, a water dripping motor cavity with a downward opening is formed in the water dripping motor box, a water dripping motor is fixedly installed in the water dripping motor cavity, the water dripping motor push rod is a water dripping motor push rod, the water dripping motor push rod penetrates through a water dripping motor push rod cavity communicated with the water dripping motor cavity and the water dripping support rod cavity and is fixedly connected to the upper end of the water dripping support rod at the lower end, slide sliders are fixedly installed on the left side and the right side of the water dripping support rod cavity and can be installed in side sliding channels of the left side and the right side of the water dripping support rod cavity in a vertical sliding mode, a water dripping block rod is evenly and fixedly installed at the bottom end of the water dripping block rod and extends into the water dripping cavity, and the left end and the right end of the water dripping cavity are communicated with a water dripping middle pipe, the dust-settling device is characterized in that the water dripping cavity is arranged in a water dripping tank and is communicated with a water dripping port at the bottom end, the bottom end of the water dripping port is opposite to the upper end of a main dust-settling device, the main dust-settling device is rotatably arranged between a right bracket and a left supporting rod, a dust-settling rotating device is fixedly arranged at the left end of the left supporting rod, the main body of the dust-settling rotating device is a rotating motor box, a rotating motor cavity with a downward opening is arranged in the rotating motor box, a rotating motor is fixedly arranged in the rotating motor cavity, a rotating shaft of the rotating motor extends downwards into a bevel gear cavity, a driving bevel gear is fixedly arranged at the bottom end of the rotating shaft of the rotating motor, the right side of the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is fixedly arranged at the left end of a driven bevel gear shaft, the driven bevel gear shaft is fixedly arranged at, the dust-settling motor is fixed in the center of the dust-settling motor cavity by the dust-settling motor supporting rod, the rotating shaft of the dust-settling motor cavity is a dust-settling motor shaft, dust-settling blades are uniformly and fixedly mounted on the dust-settling motor shaft, a vibration motor box is arranged at the upper end of the main dust-settling device, a vibration motor cavity which is opened towards the left and right is formed in the vibration motor box, a vibration motor is fixedly mounted in the vibration motor cavity, a screen supporting rod is fixedly mounted at the left and right of the vibration motor, the bottom of the screen supporting rod is fixedly mounted, a screen cavity which is communicated up and down is formed in the screen frame, a water screen is fixedly mounted in the screen cavity, the vibration motor box is fixedly mounted at the upper end of the vibration motor supporting rod, the vibration motor supporting rod is fixedly mounted at the upper end of a vibration disc, the water pump is characterized in that a water pump is fixedly mounted at the left end of the upper support, a water pump cavity with a left downward opening is formed in the water pump, a water pump motor cavity with a left opening communicated with the water pump cavity is formed in the right wall of the water pump cavity, a water pump motor is fixedly mounted in the water pump motor cavity, a water pump motor rotating shaft is a water pump blade shaft, a water pump blade is fixedly mounted on the water pump blade shaft, the left opening of the water pump cavity is a water pump inlet, a water inlet pipe is fixedly mounted on the water pump inlet in a wrapping mode, the downward opening of the water pump cavity is a water pump water outlet and is connected with a middle guide pipe, and the right end of the middle guide pipe is connected with a.
2. The door frame type cleaning and dust falling machine according to claim 1, characterized in that: the left support rod is fixedly provided with a laser frame, a laser emitting device is fixedly arranged in the laser frame, and the left end of the right support is provided with a light receiving device opposite to the laser emitting device.
3. The door frame type cleaning and dust falling machine according to claim 1, characterized in that: the bottom ends of the left support rod and the right support are symmetrically and fixedly provided with a base support, the base support is symmetrically provided with pulley cavities in the front and back direction, the pulley cavities are rotatably arranged in the pulley cavities, and pulley baffles are fixedly arranged at the outer ends of the pulley cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011091677.2A CN112108440B (en) | 2020-10-13 | 2020-10-13 | Door frame type cleaning dust falling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011091677.2A CN112108440B (en) | 2020-10-13 | 2020-10-13 | Door frame type cleaning dust falling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112108440A true CN112108440A (en) | 2020-12-22 |
| CN112108440B CN112108440B (en) | 2021-06-18 |
Family
ID=73797703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011091677.2A Active CN112108440B (en) | 2020-10-13 | 2020-10-13 | Door frame type cleaning dust falling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112108440B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002101198A2 (en) * | 2001-06-13 | 2002-12-19 | Thyssenkrupp Hiserv Gmbh | Suction device for a tunnel |
| JP2003088777A (en) * | 2001-09-19 | 2003-03-25 | Kawasaki Heavy Ind Ltd | Electrostatic precipitator |
| CN101293233A (en) * | 2007-04-27 | 2008-10-29 | 北京精诚博桑科技有限公司 | Automatic spraying and dust-preventing method, and dust-preventing apparatus |
| CN208040436U (en) * | 2018-04-10 | 2018-11-02 | 黄旭 | A kind of coal mine underground tunneling roadway dust suppression device for reducing dust |
| CN209131433U (en) * | 2018-11-16 | 2019-07-19 | 内蒙古普源铁合金有限责任公司 | A kind of novel atomized cooling tower |
| CN110856853A (en) * | 2018-08-23 | 2020-03-03 | 中国铁建高新装备股份有限公司 | Laser cleaning workstation for overhaul vehicle |
-
2020
- 2020-10-13 CN CN202011091677.2A patent/CN112108440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002101198A2 (en) * | 2001-06-13 | 2002-12-19 | Thyssenkrupp Hiserv Gmbh | Suction device for a tunnel |
| JP2003088777A (en) * | 2001-09-19 | 2003-03-25 | Kawasaki Heavy Ind Ltd | Electrostatic precipitator |
| CN101293233A (en) * | 2007-04-27 | 2008-10-29 | 北京精诚博桑科技有限公司 | Automatic spraying and dust-preventing method, and dust-preventing apparatus |
| CN208040436U (en) * | 2018-04-10 | 2018-11-02 | 黄旭 | A kind of coal mine underground tunneling roadway dust suppression device for reducing dust |
| CN110856853A (en) * | 2018-08-23 | 2020-03-03 | 中国铁建高新装备股份有限公司 | Laser cleaning workstation for overhaul vehicle |
| CN209131433U (en) * | 2018-11-16 | 2019-07-19 | 内蒙古普源铁合金有限责任公司 | A kind of novel atomized cooling tower |
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| Publication number | Publication date |
|---|---|
| CN112108440B (en) | 2021-06-18 |
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