CN113006525A - High altitude outer wall is repaired and is paintd drawing device - Google Patents
High altitude outer wall is repaired and is paintd drawing device Download PDFInfo
- Publication number
- CN113006525A CN113006525A CN202110417227.6A CN202110417227A CN113006525A CN 113006525 A CN113006525 A CN 113006525A CN 202110417227 A CN202110417227 A CN 202110417227A CN 113006525 A CN113006525 A CN 113006525A
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- Prior art keywords
- wall
- hanging
- rope
- exterior wall
- shell
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- 238000010422 painting Methods 0.000 claims abstract description 32
- 239000003973 paint Substances 0.000 claims abstract description 17
- 230000008439 repair process Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000007592 spray painting technique Methods 0.000 description 8
- 230000006378 damage Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a high-altitude outer wall repairing and painting device, which comprises hanging drive components, hanging components, painting components and a handheld controller, wherein the hanging drive components are symmetrically arranged at the top of an outer wall and comprise a support, a drive motor arranged on a horizontal plate of the support and a shaft lever arranged on a vertical plate of the support, the output end of the drive motor is provided with a reel, the shaft lever is provided with a rotating wheel, the hanging components comprise a hanging rack and a rope, one end part of the rope is connected with the end part of the hanging rack, the other end part of the rope is wound on the reel, the rope is carried on the rotating wheel, the painting components comprise a shell, a paint box, an air pump, a centrifugal fan and a paint nozzle, the shell is connected with the hanging rack, rollers are embedded at the positions of four corners of one side edge of the outer wall body of the shell, the side wall of the shell is provided with a through, not only reduce staff's intensity of labour, avoid staff's injured risk moreover.
Description
Technical Field
The invention relates to the technical field of outer wall repair, in particular to a high-altitude outer wall repair spray painting device.
Background
With the development of society, the concept of sustainable development is more and more keen. More and more people have already shout energy-saving emission-reducing slogans, and in the field of buildings, the concept of ecological houses is brought to bear with the shout of environment-friendly slogans. An ecological house is a house which can reduce energy consumption and damage to the nature to the utmost extent and can absorb energy, and aims to deal with the relationship among good people, buildings and the natural environment.
The ecological house has the advantages that cracking is inevitable in the use process of the ecological house, if the wall is slightly cracked, serious conditions such as large-area wall water seepage can occur, and the like, and the structure in the building can be damaged under extreme conditions, so that the structure of the building is influenced, and even residential personnel are harmed. Therefore, it is very important to make repairs. The existing repairing materials are mainly materials such as cement, fire-proof mud, PVC glue or latex paint, and workers use one or more of the materials to mix into the repairing materials, and then the repairing materials are coated on the cracked place of the wall body to carry out repairing operation.
When repairing bricked walls, workers usually climb up a scaffold with repairing tools or repair cracked walls by hanging the repairing tools through lifting ropes. This repair method is labor intensive and the worker may be at risk of falling and injury.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the existing exterior wall repairs.
Therefore, the invention aims to provide the high-altitude outer wall repairing and painting device, which replaces manpower with a machine, reduces the labor intensity of workers and avoids the risk of injury of the workers.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a high altitude outer wall is repaiied air brushing device, it includes:
the hanging driving assembly is symmetrically arranged at the top of the outer wall and comprises a support, a driving motor arranged on a horizontal plate of the support and a shaft lever arranged on a vertical plate of the support, wherein a winding wheel is arranged at the output end of the driving motor, and a rotating wheel is arranged on the shaft lever;
the hanging assembly comprises a hanging rack and a rope, one end of the rope is connected with the end of the hanging rack, the other end of the rope winds around the reel, and the rope is carried on the rotating wheel;
the air brushing subassembly includes:
the shell is connected with the hanging rack, idler wheels are embedded and mounted at the positions, close to four corners of one side of the outer wall, of the shell, and a through airflow channel is formed in the side wall of the shell;
a paint tank disposed on the top of the housing;
the air pump is communicated with the air inlet of the paint tank at the air exhaust end;
the centrifugal fan is arranged in the airflow channel and discharges the air at the position of the airflow channel close to one side of the outer wall body to the position of the airflow channel far away from one side of the outer wall body at a high speed;
the coating nozzles are arranged in parallel at one side of the shell close to the outer wall body and are communicated with a discharging part of the coating box;
a hand-held controller in communication with the drive motor, air pump and centrifugal fan and configured to drive the drive motor, air pump and centrifugal fan to operate or stop.
As a preferable scheme of the high-altitude exterior wall repairing and painting device, the horizontal plate and the vertical support plate are vertically arranged, and the reel and the rotating wheel are located on the same horizontal line.
As a preferable scheme of the high-altitude outer wall repairing and painting device, hanging blocks are symmetrically arranged at the bottom of the hanging rack, hinged pieces are symmetrically arranged at the top of the shell, and the hinged pieces are hinged with the hanging blocks.
As a preferable scheme of the high-altitude exterior wall repairing and painting device, a tension sensor is arranged between the hinged position of the hinged member and the hinged position of the hanging block, the tension sensor is in wireless communication with the handheld controller, and when the tension value transmitted to the handheld controller by the tension sensor is greater than or equal to the gravity value of the painting component, the handheld controller drives the driving motor to operate to drive the rope to move, so that the tension of the rope is smaller than the gravity of the painting component.
As a preferable scheme of the high-altitude exterior wall repairing and painting device, a bent pipeline is connected to a position of the airflow channel, which is far away from the exterior wall, and an exhaust end of the bent pipeline is arranged upwards and is inclined towards the direction of the exterior wall.
Compared with the prior art, the invention has the beneficial effects that: rope through hanging drive assembly drive and hanging the subassembly removes, pulling air brushing subassembly removes to the wall body damage position, and the impeller of ionization core fan is high-speed rotatory, be close to the gas of outer wall body one side position with airflow channel and discharge to keeping away from outer wall body one side position at a high speed, make to form the negative pressure difference between wall body and the air brushing subassembly, under this effect, the air brushing subassembly can tightly adsorb on the wall, and fill gas to scribbling the workbin through the air pump, make the coating in the scribbling workbin repair the part that the wall body damaged from spouting in the coating shower nozzle, replace the manual work through the machine, not only reduce staff's intensity of labour, and avoid staff's injured risk.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic overall structure diagram of an embodiment of a high-altitude exterior wall repairing and painting device of the invention;
FIG. 2 is a schematic structural view of a hanging driving assembly in the high-altitude exterior wall repairing and painting device of the invention shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a direction of the spray painting assembly in FIG. 1 of the spray painting device for repairing the high-altitude exterior wall according to the invention;
fig. 4 is a schematic structural diagram of the spray painting assembly in fig. 1 in another direction of the spray painting device for repairing the high-altitude exterior wall.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a high-altitude outer wall repairing and painting device, which replaces manpower with a machine, not only reduces the labor intensity of workers, but also avoids the risk of injury of the workers.
Fig. 1 to 4 are schematic structural views illustrating an embodiment of an air exterior wall repairing and painting device according to the present invention, and referring to fig. 1 to 4, a main body of the air exterior wall repairing and painting device according to the present embodiment includes a hanging driving assembly 100, a hanging assembly 200, a painting assembly 300, and a hand-held controller 400.
The hanging driving assembly 100 is symmetrically arranged on the top of the outer wall and used for driving the rope of the hanging assembly 200 to move, specifically, in the embodiment, the hanging driving assembly 100 comprises a support 110, a driving motor 120 arranged on a horizontal plate of the support 110 and a shaft rod 130 arranged on a vertical plate of the support 110, the output end of the driving motor 120 is provided with a reel 140, the shaft rod 130 is provided with a rotating wheel 150, and the reel 140 is used for winding the rope. Preferably, in the present embodiment, the horizontal plate and the vertical plate are vertically disposed, and the reel 140 and the rotary wheel 150 are located on the same horizontal line.
The hanging module 200 is used as a transmission part between the hanging driving module 100 and the painting module 300, and is driven by the hanging driving module 100 to drive the painting module 300 to move, in the embodiment, the hanging module 200 comprises a hanging rack 210 and a rope 220, one end part of the rope is connected with the end part of the hanging rack 210, the other end part of the rope is wound on the winding wheel 140, and the rope 220 is carried on the rotating wheel 150.
The painting assembly 300 is used for being adsorbed on a wall body and performing painting repair on a damaged part of the wall body, and specifically, the painting assembly 300 comprises a housing 310, a paint tank 320, an air pump 330, a centrifugal fan 340, a paint nozzle 350 and a handheld controller 400.
The shell 310 is connected with the hanging rack 210, the four corners of one side of the outer wall of the shell 310 are embedded with rollers 310b, and the side wall of the shell 310 is provided with a through airflow channel 310 c;
the paint box 320 is arranged on the top of the housing 310, the air pump 330 has an air outlet end communicated with the air inlet of the paint box 320, the centrifugal fan 340 is arranged in the air flow channel 310c to discharge the air at a high speed from the position of the air flow channel 310c close to the outer wall to the position far away from the outer wall, the paint nozzles 350 are arranged side by side on the side of the housing 310 close to the outer wall, and the paint nozzles 340 are communicated with the discharge part of the paint box 320. Preferably, in the present embodiment, the hanging blocks 210a are symmetrically disposed at the bottom of the hanging rack 210, the hinges 310a are symmetrically disposed at the top of the housing 310, and the hinges 310a are hinged to the hanging blocks 210 a. In the present embodiment, the ability to resist horizontal sway due to vertical traction of the ropes 220 is poor. The difficulty of diagonal tension is that when the position of the inkjet printing component 300 changes, the angle of the rope 220 changes, and the tension of the rope 220 must be changed to ensure that the vertical component force is not changed. Therefore, a tension sensor is arranged between the hinged part 310a and the hinged position of the hanging block 210a, the tension sensor is in wireless communication with the handheld controller 400, and when the tension value transmitted to the handheld controller 400 by the tension sensor is greater than or equal to the gravity value of the inkjet assembly 300, the handheld controller 400 drives the driving motor 120 to operate to drive the rope 220 to move, so that the tension of the rope is smaller than the gravity of the inkjet assembly 300. The rope 220 can counteract most gravity of the spray painting assembly 300, the movement of the spray painting assembly 300 is not influenced, the falling prevention function is achieved, the mobility is high, and the application range is widened.
Preferably, the housing 310 further has a rubber pad disposed annularly on a side thereof adjacent to the outer wall. The air flow channel 310c is connected to a bent pipe at a position far away from the outer wall, and an exhaust end of the bent pipe is arranged upwards and inclined towards the direction of the outer wall. The air exhausted through the air flow channel 310c can be exhausted to one side surface close to the wall body, so that dust on the wall body is blown, and a better cleaning effect is achieved on the wall body.
The handheld controller 400 is used to communicate with the driving motor 120, the air pump 330, and the centrifugal fan 340, and is configured to drive the driving motor 120, the air pump 330, and the centrifugal fan 340 to operate or stop.
With reference to fig. 1 to 4, the high-altitude exterior wall repairing spray painting device of the embodiment is specifically used in the following process: the worker controls the output shaft of the driving motor 120 of the hanging driving assembly 100 to rotate by operating the handheld controller 400, so as to drive the rope 220 of the hanging assembly 200 to move, so that the rope pulls the painting assembly 300 to move to the damaged position of the wall, and the paint nozzle 350 of the painting assembly 300 is opposite to the damaged position of the wall, and the handheld controller 400 controls the impeller of the centrifugal fan 340 to rotate at a high speed, so that the air at the position of the air flow channel 310c close to one side of the outer wall is discharged at a high speed to the position far away from the one side of the outer wall, so that a negative pressure difference is formed between the wall and the painting assembly 300, under the action, the painting assembly 300 can be tightly adsorbed on the wall surface, and the worker controls the air pump 330 to fill the air into the paint box 320 through the handheld controller 400, so that the paint in the paint box 320 is sprayed out from.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides an exterior wall in high altitude repairs air brushing device which characterized in that includes:
the hanging driving assembly (100) is symmetrically arranged at the top of the outer wall and comprises a support (110), a driving motor (120) arranged on a horizontal plate of the support (110) and a shaft lever (130) arranged on a vertical plate of the support (110), wherein a winding wheel (140) is arranged at the output end of the driving motor (120), and a rotating wheel (150) is arranged on the shaft lever (130);
a hanger assembly (200) including a hanger (210) and a rope (220) having one end connected to an end of the hanger (210) and the other end wound around the reel (140), the rope (220) being mounted on the rotating wheel (150);
inkjet assembly (300), comprising:
the shell (310) is connected with the hanging rack (210), rollers (310 b) are embedded and mounted at the positions, close to four corners of one side of the outer wall, of the shell (310), and a through air flow channel (310 c) is formed in the side wall of the shell (310);
a paint tank (320) provided on the top of the housing (310);
the air pump (330) is communicated with the air inlet of the coating box (320) at the air outlet end;
the centrifugal fan (340) is arranged in the airflow channel (310 c) and discharges the gas at a high speed from the position of the airflow channel (310 c) close to one side of the outer wall body to the position far away from the outer wall body;
the coating nozzles (350) are arranged side by side on one side of the shell (310) close to the outer wall, and the coating nozzles (340) are communicated with a discharge part of the coating box (320);
a handheld controller (400) in communication with the drive motor (120), the air pump (330), and the centrifugal fan (340), and configured to drive the drive motor (120), the air pump (330), and the centrifugal fan (340) to operate or stop.
2. The high-altitude exterior wall repairing and painting device according to claim 1, wherein the horizontal plate and the vertical support plate are vertically arranged, and the reel (140) and the rotating wheel (150) are located on the same horizontal line.
3. The high-altitude exterior wall repairing and painting device according to claim 1, wherein hanging blocks (210 a) are symmetrically arranged at the bottom of the hanging rack (210), hinged elements (310 a) are symmetrically arranged at the top of the casing (310), and the hinged elements (310 a) are hinged with the hanging blocks (210 a).
4. The high-altitude exterior wall repairing and painting device according to claim 3, wherein a tension sensor is arranged between the hinged part (310 a) and the hanging block (210 a), the tension sensor is in wireless communication with the handheld controller (400), and when the tension value transmitted to the handheld controller (400) by the tension sensor is greater than or equal to the gravity value of the painting component (300), the handheld controller (400) drives the driving motor (120) to operate to drive the rope (220) to move, so that the tension of the rope is smaller than the gravity of the painting component (300).
5. The high-altitude exterior wall repairing and painting device according to claim 1, wherein a rubber pad is annularly arranged on one side of the housing (310) close to the exterior wall.
6. The high-altitude exterior wall repairing and painting device according to claim 1, wherein a bent pipeline is connected to a position of the air flow channel (310 c) far away from the exterior wall, and an air exhaust end of the bent pipeline is arranged upwards and inclined towards the exterior wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417227.6A CN113006525A (en) | 2021-04-19 | 2021-04-19 | High altitude outer wall is repaired and is paintd drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110417227.6A CN113006525A (en) | 2021-04-19 | 2021-04-19 | High altitude outer wall is repaired and is paintd drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113006525A true CN113006525A (en) | 2021-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110417227.6A Pending CN113006525A (en) | 2021-04-19 | 2021-04-19 | High altitude outer wall is repaired and is paintd drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113006525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132094A (en) * | 2021-11-29 | 2022-03-04 | 武汉华美艾普科技有限公司 | Hanging portable multifunctional spray drawing machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08117654A (en) * | 1994-10-21 | 1996-05-14 | Ohbayashi Corp | Robot for painting outside wall |
| US7556319B1 (en) * | 2007-03-20 | 2009-07-07 | Blasters Technologies, LLC | Apparatus for resurfacing concrete |
| KR20120043894A (en) * | 2010-10-27 | 2012-05-07 | (주)칠칠공사 | Automatic painting device of the skyscraper wall which uses a hanging scaffold |
| CN204139558U (en) * | 2014-06-27 | 2015-02-04 | 宁夏澍侍信息科技有限公司 | A kind of basket-hanging external wall of high-rise building flush coater |
| WO2017042722A1 (en) * | 2016-06-24 | 2017-03-16 | Universidad Tecnológica De Panamá | Machine for inspecting and repairing walls |
| CN108472673A (en) * | 2016-03-29 | 2018-08-31 | 亿立科技国际有限公司 | For the external wall to building spray the system and method for japanning |
| CN108560896A (en) * | 2018-05-31 | 2018-09-21 | 江苏三浦电子科技有限公司 | Working at height anti-falling safe hanging basket |
| CN110485685A (en) * | 2019-08-22 | 2019-11-22 | 清华大学 | A kind of low quality long stroke external wall spraying device |
| CN111287417A (en) * | 2020-04-07 | 2020-06-16 | 合肥工业大学 | Intelligent spraying robot for outer wall of high-rise building and control method thereof |
-
2021
- 2021-04-19 CN CN202110417227.6A patent/CN113006525A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08117654A (en) * | 1994-10-21 | 1996-05-14 | Ohbayashi Corp | Robot for painting outside wall |
| US7556319B1 (en) * | 2007-03-20 | 2009-07-07 | Blasters Technologies, LLC | Apparatus for resurfacing concrete |
| KR20120043894A (en) * | 2010-10-27 | 2012-05-07 | (주)칠칠공사 | Automatic painting device of the skyscraper wall which uses a hanging scaffold |
| CN204139558U (en) * | 2014-06-27 | 2015-02-04 | 宁夏澍侍信息科技有限公司 | A kind of basket-hanging external wall of high-rise building flush coater |
| CN108472673A (en) * | 2016-03-29 | 2018-08-31 | 亿立科技国际有限公司 | For the external wall to building spray the system and method for japanning |
| WO2017042722A1 (en) * | 2016-06-24 | 2017-03-16 | Universidad Tecnológica De Panamá | Machine for inspecting and repairing walls |
| CN108560896A (en) * | 2018-05-31 | 2018-09-21 | 江苏三浦电子科技有限公司 | Working at height anti-falling safe hanging basket |
| CN110485685A (en) * | 2019-08-22 | 2019-11-22 | 清华大学 | A kind of low quality long stroke external wall spraying device |
| CN111287417A (en) * | 2020-04-07 | 2020-06-16 | 合肥工业大学 | Intelligent spraying robot for outer wall of high-rise building and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132094A (en) * | 2021-11-29 | 2022-03-04 | 武汉华美艾普科技有限公司 | Hanging portable multifunctional spray drawing machine |
| CN114132094B (en) * | 2021-11-29 | 2023-06-13 | 武汉华美艾普科技有限公司 | Portable multifunctional suspension type inkjet printer |
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