CN114838246B - Laser emission angle adjusting device - Google Patents
Laser emission angle adjusting device Download PDFInfo
- Publication number
- CN114838246B CN114838246B CN202210376513.7A CN202210376513A CN114838246B CN 114838246 B CN114838246 B CN 114838246B CN 202210376513 A CN202210376513 A CN 202210376513A CN 114838246 B CN114838246 B CN 114838246B
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- bevel gear
- driving
- limiting
- rotating
- base
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- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 3
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
Abstract
The invention relates to laser installation auxiliary equipment, in particular to a laser emission angle adjusting device which comprises a base, a rotating table and a driving mechanism, wherein the rotating table is rotatably arranged on the upper part of the base, a laser is arranged on a rotating shaft on the rotating table, the driving mechanism comprises a driving bevel gear, a transmission bevel gear I, a transmission bevel gear II and a driving rod, wherein the transmission bevel gear I is arranged at the bottom of the rotating table, the transmission bevel gear II is rotatably arranged at the bottom of the base, the driving bevel gear is rotatably arranged on a sliding seat through a rotating shaft, one end of the rotating shaft is provided with a fixed plate, and a rotating ring is rotatably arranged on the fixed plate.
Description
Technical Field
The invention relates to laser installation auxiliary equipment, in particular to a laser emission angle adjusting device.
Background
A laser is a device capable of emitting laser light, and has various applications according to the wavelength of the laser light emitted by an instrument, such as an indication laser for highways, a ranging leveling laser for automated production, and the like.
In practice, when carrying out the use of laser instrument, often need to adjust the emission angle of laser instrument, at present the regulation mode often rely on parts such as rotating member and fastening bolt, and the user need use the instrument to loosen fastening bolt just can rotate to rotate the rotating member and adjust at fixed in-process, and the regulation step is comparatively loaded down with trivial details, and the bolt can take place the corrosion when using simultaneously, further influences fastening bolt's relaxation fixed function.
Disclosure of Invention
The invention aims to provide a laser emission angle adjusting device, which is used for solving the problem that the adjustment of the emission angle of the laser at present mainly depends on the fact that a fastening bolt is matched with a rotating piece, and a tool is needed to be used for loosening the fastening bolt in the adjustment process, so that the adjustment step is complicated.
In order to achieve the above object, the present invention provides a laser emission angle adjustment device comprising:
a base;
the rotating table is rotatably arranged at the upper part of the base;
the laser is arranged on the rotating shaft on the rotating table;
the driving mechanism is arranged in a placing cavity arranged in the base and used for alternately driving the rotating table and the rotating shaft to rotate, and comprises a driving bevel gear, a transmission bevel gear I, a transmission bevel gear II and a driving rod;
the transmission bevel gear I is arranged at the bottom of the rotating table, and the transmission bevel gear II is rotatably arranged at the bottom of the base;
the driving bevel gear is rotatably arranged on a sliding seat arranged on the side surface of the base through a rotating shaft, the driving bevel gear is driven to alternately and drivingly engage with the driving bevel gear I and the driving bevel gear II through sliding of the sliding seat, a fixed plate is arranged at one end of the rotating shaft, a rotating ring is rotatably arranged on the fixed plate, meshing teeth are respectively arranged on the end surfaces of two sides of the rotating ring, and a first toothed ring and a second toothed ring which are used for connecting the meshing teeth are respectively arranged on the driving bevel gear I and the driving bevel gear II;
the driving rod is rotatably arranged on the rotating table and is in transmission connection with the rotating shaft through the transmission assembly, the rotating shaft is driven to rotate through the rotation of the driving rod, the driving rod is slidably connected in a limiting hole formed in the middle of the rotating ring, and the driving rod is driven to rotate through the rotating ring.
The principle of the invention is that a user moves the driving bevel gear to alternately engage and connect with the transmission bevel gear I and the transmission bevel gear II, so that the corresponding transmission bevel gear I and the transmission bevel gear II are driven to rotate by rotating the driving bevel gear;
when the driving bevel gear is in meshed connection with the transmission bevel gear I, the rotary ring is in meshed connection with the first toothed ring, and the driving bevel gear I is driven to rotate through the rotation of the driving bevel gear I and simultaneously drives the rotating table, the rotary ring and the driving rod to synchronously rotate, so that the emission angle of the laser in the horizontal direction is adjusted;
when the driving bevel gear is in meshed connection with the transmission bevel gear II, the rotary ring is in meshed connection with the second toothed ring, and the driving bevel gear II is driven to rotate by rotating the driving bevel gear II and simultaneously drives the rotary ring and the driving rod to rotate, and the rotary table is in a fixed state at the moment, so that the emission angle of the laser in the vertical direction is adjusted;
the angle of the laser emission is adjusted by moving the driving bevel gear twice and rotating the driving bevel gear.
As a further scheme of the invention, the sliding seat is slidably connected in a sliding groove formed in the side face of the base, two sides of the sliding seat are respectively and elastically connected with two ends of the sliding groove through first elastic connecting pieces, and the first elastic connecting pieces are used for positioning the sliding seat to the middle of the sliding groove.
As a further scheme of the invention, two sides of the sliding seat are respectively connected with driving plates, two groups of driving plates are respectively and elastically connected with limiting pieces which are in sliding connection with the inner wall of the base through second elastic connecting pieces, and the two groups of limiting pieces are respectively used for limiting and locking the non-rotating transmission bevel gears I and II.
As a further scheme of the invention, the limiting piece is a limiting plate, limiting teeth are arranged on one side of the two groups of limiting plates, which faces to the corresponding transmission bevel gears I and II, and are used for being clamped in tooth grooves formed in the end faces of the transmission bevel gears I and II.
As a further scheme of the invention, a plurality of groups of limiting grooves are formed on the wall surface of the limiting hole, and the limiting grooves are used for limiting block sliding connection of side installation of the driving rod.
As a further scheme of the invention, the transmission assembly comprises a driving bevel gear and a driven bevel gear which are connected in a meshed manner, wherein the driving bevel gear is coaxially arranged at one end of a driving rod, the driven bevel gear is coaxially arranged on a rotating shaft, and the rotating shaft and the laser are driven to rotate by the rotation of the driving rod.
As a further proposal of the invention, one end of the rotating shaft facing the outer side of the base is provided with a holding column which is used for holding and rotating by a user.
The invention has the advantages that the driving bevel gear and the rotary ring are driven to synchronously move by moving the rotary shaft, so that the rotary ring is alternately meshed with the driving bevel gear I and the driving bevel gear II while the driving bevel gear is alternately meshed with the driving bevel gear I and the driving bevel gear II, the connection state of the driving rod is correspondingly switched, the driving bevel gear I and the driving bevel gear II are alternately driven to rotate by the driving bevel gear, and the laser emission angles are respectively adjusted in the horizontal dimension and the vertical dimension, thereby avoiding the mode of adjusting the laser emission angles by disassembling the fastening bolts at present, and simplifying the operation steps.
Drawings
Fig. 1 is a schematic structural diagram of a laser emission angle adjusting device according to the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 a provided in the present invention.
Fig. 3 is a schematic structural view of a rotary ring according to the present invention.
Fig. 4 is an enlarged schematic view of fig. 1B provided by the present invention.
Fig. 5 is a plan view of the drive bevel gear 1 provided by the present invention.
In the accompanying drawings: 1-a base; 2-a rotating table; a 3-laser; 4-rotating shaft; 401-mounting plates; 5-a transmission bevel gear II; 501-a second toothed ring; 6-fixing plates; 7-a transmission bevel gear I; 701-a first toothed ring; 702-tooth slots; 8-driving rod; 801-limiting blocks; 9-a rotary ring; 10-driving a bevel gear; 1001-a rotating shaft; 11-a grip post; 12-a sliding seat; 13-a first elastic connection; 14-limiting plates; 15-a second elastic connection; 16-a drive plate; 17-a transmission assembly; 1701-drive bevel gear; 1702-driven bevel gear.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
As shown in fig. 1, 2 and 3, in an embodiment of the present invention, a laser emission angle adjusting apparatus includes a base 1; a rotating table 2 rotatably installed at the upper part of the base 1, and a rotating shaft 4 rotatably connected to an upper mounting plate 401 of the rotating table 2; a laser 3 mounted on the rotation shaft 4; the driving mechanism is arranged in a placing cavity arranged in the base 1 and used for alternately driving the rotating table 2 and the rotating shaft 4 to rotate and comprises a driving bevel gear 10, a transmission bevel gear I7, a transmission bevel gear II 5 and a driving rod 8; the transmission bevel gear I7 is arranged at the bottom of the rotating table 2, and the transmission bevel gear II 5 is rotatably arranged at the bottom of the base 1; the driving bevel gear 10 is rotatably mounted on a sliding seat 12 mounted on the side surface of the base 1 through a rotary shaft 1001, the driving bevel gear 10 is driven to be alternately meshed with a driving bevel gear I7 and a driving bevel gear II 5 in a transmission manner through sliding of the sliding seat 12, a fixed plate 6 is mounted at one end of the rotary shaft 1001, a rotary ring 9 is rotatably mounted on the fixed plate 6, meshing teeth are respectively arranged on the end surfaces of two sides of the rotary ring 9, and a first toothed ring 701 and a second toothed ring 501 which are used for connecting the meshing teeth are respectively arranged on the driving bevel gear I7 and the driving bevel gear II 5; the driving rod 8 is rotatably arranged on the rotating table 2 and is in transmission connection with the rotating shaft 4 through a transmission assembly 17, the rotating shaft 4 is driven to rotate through the rotation of the driving rod 8, the driving rod 8 is slidably connected in a limiting hole formed in the middle of the rotating ring 9, and the driving rod is driven to rotate through the rotating ring.
The principle of the invention is that a user moves the drive bevel gear 10 to alternately engage and connect with the drive bevel gear I7 and the drive bevel gear II 5, so that the corresponding drive bevel gear I7 and the corresponding drive bevel gear II 5 are driven to rotate by rotating the drive bevel gear 10;
further, when the driving bevel gear 10 is in meshed connection with the transmission bevel gear I7, the rotary ring 9 is in meshed connection with the first toothed ring 701, and the driving bevel gear I7 is driven to rotate by rotating the driving bevel gear 10, and simultaneously the rotating table 2, the rotary ring 9 and the driving rod 8 are driven to synchronously rotate, so that the emission angle of the laser 3 in the horizontal direction is adjusted;
when the driving bevel gear 10 is meshed with the driving bevel gear II 5, the rotating ring 9 is meshed with the second toothed ring 501, and the driving bevel gear 10 rotates to drive the driving bevel gear II 5 to rotate and simultaneously drive the rotating ring 9 and the driving rod 8 to rotate, and the rotating table 2 is in a fixed state at the moment, so that the emission angle of the laser 3 in the vertical direction is adjusted;
the adjustment of the emission angle of the laser 3 is completed by moving and driving the bevel gear 10 twice and rotating.
In the embodiment of the invention, as shown in fig. 1, the sliding seat 12 is slidably connected in a sliding groove formed on the side surface of the base 1, two sides of the sliding seat 12 are respectively and elastically connected with two ends of the sliding groove through a first elastic connecting piece 13, and the sliding seat 12 is positioned to the middle of the sliding groove by the elastic force provided by the first elastic connecting piece 13 when a user does not apply a force to the rotating shaft 1001, wherein the first elastic connecting piece 13 is preferably a first spring, and meanwhile, two groups of first springs need to be in the same state during installation, so that the centering positioning of the sliding seat 12 can be realized.
As shown in fig. 1 and fig. 4, in the embodiment of the present invention, two sides of the sliding seat 12 are respectively connected with a driving plate 16, the driving plate 16 is L-shaped, two groups of driving plates 16 are respectively elastically connected with a limiting member slidably connected with an inner wall of the base 1 through a second elastic connecting member 15, and the two groups of limiting members are respectively used for limiting and locking a non-rotating transmission bevel gear i 7 and a transmission bevel gear ii 5;
meanwhile, as shown in fig. 5, the further limiting piece is a limiting plate 14, and limiting teeth are formed on one side of the two groups of limiting plates 14, which faces the corresponding transmission bevel gears i 7 and ii 5, in the invention, when the driving bevel gear 10 is positioned between the transmission bevel gears i 7 and ii 5, the two groups of limiting teeth are correspondingly clamped in tooth grooves 702 formed on the end faces of the transmission bevel gears i 7 and ii 5 through the tension provided by the second elastic connecting piece 15, and at the moment, the transmission bevel gears i 7 and ii 5 are in a locking state;
meanwhile, when the rotary shaft 1001 drives the driving bevel gear 10 and the sliding seat 12 to move towards the driving bevel gear I7 or the driving bevel gear II 5, the second elastic connecting piece 15 facing the moving direction drives the corresponding limiting plate 14 to be separated from the driving teeth of the moving direction, so that the driving bevel gear I7 or the driving bevel gear II 5 meshed with the driving bevel gear 10 can freely rotate;
the second elastic connection member 15 is preferably a second spring, and in the present invention, the first spring and the second spring may be replaced by other components with elastic connection capability, for example, torsion springs or reeds may be replaced.
As shown in fig. 3, in the embodiment of the present invention, a plurality of groups of limiting grooves are formed on the wall surface of the limiting hole, the limiting grooves are used for sliding connection of a limiting block 801 installed on the side surface of the driving rod 8, and the rotating direction of the rotary ring 9 is limited by sliding fit of the limiting block 801 and the limiting grooves;
meanwhile, it should be noted that the center of the transmission bevel gear i 7 in the present invention is provided with a communication hole for the driving rod 8 to pass through, and the transmission bevel gear i 7 and the driving rod 8 may be separated from contact or rotationally connected, which is not particularly limited.
As shown in fig. 1, in the embodiment of the present invention, the transmission assembly 17 includes a drive bevel gear 1701 and a driven bevel gear 1702 which are in meshed connection, wherein the drive bevel gear 1701 is coaxially installed at one end of the driving rod 8, the driven bevel gear 1702 is coaxially installed on the rotating shaft 4, and the rotating shaft 4 and the laser 3 are driven to rotate by the rotation of the driving rod 8;
of course, other components capable of transmitting rotation capacity can be selected in the design, for example, a worm structure can be selected, the driving is performed by arranging a worm and a turbine on the driving rod 8 and the rotating shaft 4 respectively, and of course, other structures which are not mentioned in the invention can be designed and used.
As shown in fig. 1, in the embodiment of the present invention, a grip post 11 is mounted at an end of the rotating shaft 1001 facing the outer side of the base 1, the grip post 11 is used for a user to grip and rotate, and in order to facilitate the user to rotate, anti-slip patterns or anti-slip pads may be provided on the grip post 11 to improve the anti-slip effect.
In combination with the above, the invention has the advantages compared with the prior art that:
through removing swivel axle 1001, drive bevel gear 10 and slewing ring 9 remove, when making drive bevel gear 10 and drive bevel gear I7 and drive bevel gear II 5 meshing in turn be connected, slewing ring 9 is connected with drive bevel gear I7 and drive bevel gear II 5 meshing in turn, the connected state of corresponding switching actuating lever 8, drive bevel gear I7 and drive bevel gear II 5 rotation in turn through drive bevel gear 10, adjust laser 3 emission angle respectively in the horizontal dimension and the vertical dimension, thereby avoid the mode that need carry out laser 3 emission angle adjustment through dismantling fastening bolt at present, the operation procedure has been simplified.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A laser emission angle adjustment device, comprising:
a base;
the rotating table is rotatably arranged at the upper part of the base;
the laser is arranged on the rotating shaft on the rotating table;
the driving mechanism is arranged in a placing cavity arranged in the base and used for alternately driving the rotating table and the rotating shaft to rotate, and comprises a driving bevel gear, a transmission bevel gear I, a transmission bevel gear II and a driving rod;
the transmission bevel gear I is arranged at the bottom of the rotating table, and the transmission bevel gear II is rotatably arranged at the bottom of the base;
the driving bevel gear is rotatably arranged on a sliding seat arranged on the side surface of the base through a rotating shaft, the driving bevel gear is driven to alternately and drivingly engage with the driving bevel gear I and the driving bevel gear II through sliding of the sliding seat, a fixed plate is arranged at one end of the rotating shaft, a rotating ring is rotatably arranged on the fixed plate, meshing teeth are respectively arranged on the end surfaces of two sides of the rotating ring, and a first toothed ring and a second toothed ring which are used for connecting the meshing teeth are respectively arranged on the driving bevel gear I and the driving bevel gear II;
the driving rod is rotatably arranged on the rotating table and is in transmission connection with the rotating shaft through the transmission assembly, the rotating shaft is driven to rotate through the rotation of the driving rod, the driving rod is slidably connected in a limiting hole formed in the middle of the rotating ring, and the driving rod is driven to rotate through the rotating ring.
2. The laser emission angle adjusting device according to claim 1, wherein the sliding seat is slidably connected in a sliding groove formed in a side surface of the base, two sides of the sliding seat are respectively elastically connected to two ends of the sliding groove through first elastic connecting pieces, and the first elastic connecting pieces are used for positioning the sliding seat to the middle of the sliding groove.
3. The laser emission angle adjusting device according to claim 2, wherein two sides of the sliding seat are respectively connected with driving plates, two groups of driving plates are respectively connected with limiting pieces in sliding connection with the inner wall of the base through second elastic connecting pieces, and the two groups of limiting pieces are respectively used for limiting and locking the non-rotating transmission bevel gears I and the transmission bevel gears II.
4. The laser emission angle adjusting device according to claim 3, wherein the limiting piece is a limiting plate, limiting teeth are arranged on one side of the two groups of limiting plates, facing the corresponding transmission bevel gears I and II, and are used for being clamped in tooth grooves formed in the end faces of the transmission bevel gears I and II.
5. The laser emission angle adjusting device according to claim 1, wherein a plurality of groups of limiting grooves are formed in the wall surface of the limiting hole, and the limiting grooves are used for limiting block sliding connection of side installation of the driving rod.
6. A laser emission angle adjustment device as claimed in any one of claims 1 to 5, wherein the transmission assembly comprises a drive bevel gear and a driven bevel gear which are engaged with each other, wherein the drive bevel gear is coaxially mounted at one end of the driving rod, and the driven bevel gear is coaxially mounted on the rotation shaft, and the rotation shaft and the laser are rotated by rotation of the driving rod.
7. A laser emission angle adjustment device as claimed in claim 6, wherein the swivel shaft is provided with a grip post at an end thereof facing the outside of the base, the grip post being adapted for gripping rotation by a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376513.7A CN114838246B (en) | 2022-04-12 | 2022-04-12 | Laser emission angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376513.7A CN114838246B (en) | 2022-04-12 | 2022-04-12 | Laser emission angle adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114838246A CN114838246A (en) | 2022-08-02 |
| CN114838246B true CN114838246B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210376513.7A Active CN114838246B (en) | 2022-04-12 | 2022-04-12 | Laser emission angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114838246B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016195183A1 (en) * | 2015-05-29 | 2016-12-08 | 전춘구 | Double blind curtain |
| CN113108221A (en) * | 2021-03-31 | 2021-07-13 | 吉林工程技术师范学院 | Educational robot with multi-angle monitoring function |
| JP2021103937A (en) * | 2019-12-25 | 2021-07-15 | 王磊 | Photovoltaic power generator capable of being stored |
| CN113983284A (en) * | 2021-09-23 | 2022-01-28 | 昆山紫荆文化科技有限公司 | Intelligent scene resource optimization scheduling device and using method |
| CN215891767U (en) * | 2021-10-22 | 2022-02-22 | 龙岩市闽川测绘服务有限公司 | Survey and drawing lofting device for surveying and mapping |
| CN215950925U (en) * | 2021-08-06 | 2022-03-04 | 日照博航新材料科技有限公司 | Air compressor machine for resin monomer copolymerization |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866250B (en) * | 2019-03-01 | 2021-08-13 | 达闼科技（北京）有限公司 | Robot wrist structure and robot |
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2022
- 2022-04-12 CN CN202210376513.7A patent/CN114838246B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016195183A1 (en) * | 2015-05-29 | 2016-12-08 | 전춘구 | Double blind curtain |
| JP2021103937A (en) * | 2019-12-25 | 2021-07-15 | 王磊 | Photovoltaic power generator capable of being stored |
| CN113108221A (en) * | 2021-03-31 | 2021-07-13 | 吉林工程技术师范学院 | Educational robot with multi-angle monitoring function |
| CN215950925U (en) * | 2021-08-06 | 2022-03-04 | 日照博航新材料科技有限公司 | Air compressor machine for resin monomer copolymerization |
| CN113983284A (en) * | 2021-09-23 | 2022-01-28 | 昆山紫荆文化科技有限公司 | Intelligent scene resource optimization scheduling device and using method |
| CN215891767U (en) * | 2021-10-22 | 2022-02-22 | 龙岩市闽川测绘服务有限公司 | Survey and drawing lofting device for surveying and mapping |
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| Publication number | Publication date |
|---|---|
| CN114838246A (en) | 2022-08-02 |
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