CN111879704A - Visual detection device for fabric texture - Google Patents
Visual detection device for fabric texture Download PDFInfo
- Publication number
- CN111879704A CN111879704A CN202010701711.7A CN202010701711A CN111879704A CN 111879704 A CN111879704 A CN 111879704A CN 202010701711 A CN202010701711 A CN 202010701711A CN 111879704 A CN111879704 A CN 111879704A
- Authority
- CN
- China
- Prior art keywords
- rotating plate
- plate
- movable plate
- lens
- driving shaft
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
Abstract
The invention discloses a visual detection device for cloth textures, which comprises an operation substrate, a movable plate movably arranged above the operation substrate, a driving shaft, a rotating plate and a lens, wherein a rotating plate is arranged between the operation substrate and the movable plate, the lower surface of the movable plate is in sliding connection with the upper surface of the rotating plate through two linear guide rails and a sliding block, a cam is arranged on the lower surface of the rotating plate and positioned on the outer side of a flange part, the curve profile of the cam is the same as the circumferential profile of a product to be detected, and one side of the upper surface of the rotating plate is rotatably provided with a follow-up roller matched with the cam. According to the invention, the automatic detection of the distribution of the cloth grain positions on the product is realized by automatically rotating and photographing the product, and the shooting definition of the product at any angle can be ensured without focusing a camera, so that the accuracy and precision of the detection are ensured.
Description
Technical Field
The invention relates to a visual detection device for cloth textures, and belongs to the technical field of industrial visual detection.
Background
Nowadays, China is becoming one of the most active areas in the development of machine vision in the world, and the application range covers various industries of national economy such as industry, agriculture, medicine, military, aerospace, weather, astronomy, public security, traffic, safety, scientific research and the like. The important reason is that China has become the processing center of the global manufacturing industry, and the processing of high-demand parts and corresponding advanced production lines thereof make many machine vision systems and application experiences with international advanced level enter China.
Machine vision systems are characterized by increased production flexibility and automation. In some dangerous working environments which are not suitable for manual operation or occasions which are difficult for manual vision to meet the requirements, machine vision is commonly used to replace the manual vision; meanwhile, in the process of mass industrial production, the efficiency of checking the product quality by using manual vision is low, the precision is not high, and the production efficiency and the automation degree of production can be greatly improved by using a machine vision detection method.
Disclosure of Invention
The invention aims to provide a visual detection device for cloth textures, which can realize automatic detection of the cloth texture position distribution on a product, and can ensure the shooting definition of the product at any angle without focusing a camera, thereby ensuring the detection accuracy and precision.
In order to achieve the purpose, the invention adopts the technical scheme that: a visual detection device for fabric textures comprises an operation substrate, a movable plate movably mounted above the operation substrate, a driving shaft, a rotating plate and a lens, wherein the rotating plate is located above the movable plate and connected with the upper end of the driving shaft, the lower end of the driving shaft sequentially penetrates through the movable plate and the operation substrate and is rotatably connected with the movable plate through a bearing seat, and the lens is mounted on the operation substrate and located on one side of the rotating plate;
the center of the rotating plate is provided with a mounting hole for embedding the upper end of the driving shaft, the upper part of the driving shaft and the lower part of the rotating plate are provided with flange parts extending outwards in the radial direction, the upper surfaces of the flange parts are connected with the lower surface of the rotating plate, and the lower surfaces of the flange parts are contacted with the upper end surface of the bearing seat;
a motor is arranged below the movable plate, an output shaft of the motor is connected with the lower end of the driving shaft and used for driving the driving shaft and driving the rotating plate to rotate, the motor is arranged on the movable plate, a supporting seat used for mounting a product to be detected is arranged on the rotating plate, a light source is arranged between the lens and the rotating plate, and a camera is arranged at one end of the lens opposite to the rotating plate, so that the camera, the lens, the light source and the product to be detected placed on the supporting seat on the rotating plate are positioned on the same straight line;
an adapter plate is arranged between the operation substrate and the movable plate, the lower surface of the movable plate is connected with the upper surface of the adapter plate in a sliding mode through two linear guide rails and a sliding block, a cam is arranged on the lower surface of the adapter plate and positioned on the outer side of the flange portion, the curve profile of the cam is the same as the circumferential profile of the product to be detected, and a follow-up roller matched with the cam is rotatably arranged on one side of the upper surface of the adapter plate;
the two side end faces of the movable plate are respectively provided with a first mounting column, the upper surface of the adapter plate and the outer sides of the two linear guide rails are respectively provided with a second mounting column corresponding to the first mounting column, and the first mounting column and the second mounting column which are positioned on the same side are connected through an elastic piece.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the elastic member is a spring.
2. In the scheme, two radial ball bearings are arranged in the upper part of the bearing seat, and at least one deep groove ball bearing is arranged in the lower part of the bearing seat.
3. In the above scheme, the lens is a telecentric lens, and the light source is an annular infrared light source.
4. In the above scheme, the operation substrate is mounted on the frame, and the outer side of the frame is provided with the protective cover.
5. In the scheme, the rotating plate is connected with the supporting seat through at least two groups of guide posts and guide holes in a matched mode.
6. In the scheme, the upper surface of the rotating plate is provided with two positioning columns, and the side surface of the supporting seat is provided with a notch for embedding the positioning columns.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the visual detection device for the cloth texture, manual work is completely replaced by automatic rotation and shooting of the product, automatic detection of the cloth texture position distribution on the product is realized, the degree of automation is high, the distance between a region to be shot on the product and a camera is ensured to be constant, the shooting definition of the product at any angle can be ensured without focusing, the accuracy and precision of detection are improved, the time is saved, and the detection efficiency is improved; in addition, the positioning precision of the product is improved through the matching arrangement of the guide column and the guide hole as well as the positioning column and the notch, so that the precision of product detection is further ensured.
Drawings
FIG. 1 is a schematic structural view of a cloth texture visual inspection device of the present invention;
FIG. 2 is a schematic view of a partial structure of a visual inspection apparatus for fabric texture according to the present invention;
FIG. 3 is a schematic view of a partial structure of a visual inspection apparatus for fabric texture according to the present invention;
FIG. 4 is a schematic view of a second partial structure of the cloth texture visual inspection apparatus of the present invention;
FIG. 5 is a partial sectional view of the structure of the visual inspection apparatus for fabric texture according to the present invention;
FIG. 6 is a schematic structural diagram of a product to be detected in the visual inspection apparatus for fabric texture according to the present invention.
In the above drawings: 1. a work substrate; 2. a rotating plate; 201. a flange portion; 3. a supporting seat; 4. a motor; 5. a drive shaft; 6. a coupling; 7. a speed reducer; 8. a bearing seat; 10. a product to be detected; 11. a guide post; 12. a guide hole; 13. a positioning column; 14. a notch; 15. a lens; 16. a light source; 17. a camera; 18. a movable plate; 19. an adapter plate; 20. a linear guide rail; 21. a slider; 22. mounting a plate; 23. a cam; 24. a follower roller; 25. a first mounting post; 26. a second mounting post; 27. an elastic member; 28. a frame; 29. a shield.
Detailed Description
Example 1: a visual detection device for fabric textures comprises an operation substrate 1, a movable plate 18 movably mounted above the operation substrate 1, a driving shaft 5, a rotating plate 2 and a lens 15, wherein the rotating plate 2 is located above the movable plate 18 and connected with the upper end of the driving shaft 5, the lower end of the driving shaft 5 sequentially penetrates through the movable plate 18 and the operation substrate 1 and is rotatably connected with the movable plate 18 through a bearing seat 8, and the lens 15 is mounted on the operation substrate 1 and located on one side of the rotating plate 2;
the center of the rotating plate 2 is provided with a mounting hole for embedding the upper end of the driving shaft 5, the upper part of the driving shaft 5 is provided with a flange part 201 which extends outwards in the radial direction and is positioned below the rotating plate 2, the upper surface of the flange part 201 is connected with the lower surface of the rotating plate 2, and the lower surface of the flange part 201 is contacted with the upper end surface of the bearing seat 8;
a motor 4 is arranged below the movable plate 18, an output shaft of the motor 4 is connected with the lower end of the driving shaft 5 and is used for driving the driving shaft 5 and driving the rotating plate 2 to rotate, the motor 4 is arranged on the movable plate 18, a supporting seat 3 for mounting a product 10 to be detected is arranged on the rotating plate 2, a light source 16 is arranged between the lens 15 and the rotating plate 2, and a camera 17 is arranged at one end of the lens 15 opposite to the rotating plate 2, so that the camera 17, the lens 15, the light source 16 and the product 10 to be detected placed on the supporting seat 3 on the rotating plate 2 are positioned on the same straight line;
an adapter plate 19 is arranged between the operation substrate 1 and the movable plate 18, the lower surface of the movable plate 18 is in sliding connection with the upper surface of the adapter plate 19 through two linear guide rails 20 and a sliding block 21, a cam 23 is arranged on the lower surface of the rotating plate 2 and positioned on the outer side of the flange portion 201, the curve profile of the cam 23 is the same as the circumferential profile of the product 10 to be detected, and a follow-up roller 24 matched with the cam 23 is rotatably arranged on one side of the upper surface of the adapter plate 19;
two side end surfaces of the movable plate 18 are respectively provided with a first mounting column 25, the upper surface of the adapter plate 19 and the outer sides of the two linear guide rails 20 are respectively provided with a second mounting column 26 corresponding to the first mounting column 25, and the first mounting column 25 and the second mounting column 26 on the same side are connected through an elastic member 27.
The elastic member 27 is a spring; two radial ball bearings are arranged in the upper part of the bearing seat 8, and at least one deep groove ball bearing is arranged in the lower part of the bearing seat 8; the lens 15 is a telecentric lens, and the light source 16 is an annular infrared light source;
the work substrate 1 is mounted on a frame 28, and a protective cover 29 is provided outside the frame 28; the rotating plate 2 is connected with the supporting seat 3 through at least two groups of guide posts 11 and guide holes 12 in a matching way.
Example 2: a visual detection device for fabric textures comprises an operation substrate 1, a movable plate 18 movably mounted above the operation substrate 1, a driving shaft 5, a rotating plate 2 and a lens 15, wherein the rotating plate 2 is located above the movable plate 18 and connected with the upper end of the driving shaft 5, the lower end of the driving shaft 5 sequentially penetrates through the movable plate 18 and the operation substrate 1 and is rotatably connected with the movable plate 18 through a bearing seat 8, and the lens 15 is mounted on the operation substrate 1 and located on one side of the rotating plate 2;
the center of the rotating plate 2 is provided with a mounting hole for embedding the upper end of the driving shaft 5, the upper part of the driving shaft 5 is provided with a flange part 201 which extends outwards in the radial direction and is positioned below the rotating plate 2, the upper surface of the flange part 201 is connected with the lower surface of the rotating plate 2, and the lower surface of the flange part 201 is contacted with the upper end surface of the bearing seat 8;
a motor 4 is arranged below the movable plate 18, an output shaft of the motor 4 is connected with the lower end of the driving shaft 5 and is used for driving the driving shaft 5 and driving the rotating plate 2 to rotate, the motor 4 is arranged on the movable plate 18, a supporting seat 3 for mounting a product 10 to be detected is arranged on the rotating plate 2, a light source 16 is arranged between the lens 15 and the rotating plate 2, and a camera 17 is arranged at one end of the lens 15 opposite to the rotating plate 2, so that the camera 17, the lens 15, the light source 16 and the product 10 to be detected placed on the supporting seat 3 on the rotating plate 2 are positioned on the same straight line;
an adapter plate 19 is arranged between the operation substrate 1 and the movable plate 18, the lower surface of the movable plate 18 is in sliding connection with the upper surface of the adapter plate 19 through two linear guide rails 20 and a sliding block 21, a cam 23 is arranged on the lower surface of the rotating plate 2 and positioned on the outer side of the flange portion 201, the curve profile of the cam 23 is the same as the circumferential profile of the product 10 to be detected, and a follow-up roller 24 matched with the cam 23 is rotatably arranged on one side of the upper surface of the adapter plate 19;
two side end surfaces of the movable plate 18 are respectively provided with a first mounting column 25, the upper surface of the adapter plate 19 and the outer sides of the two linear guide rails 20 are respectively provided with a second mounting column 26 corresponding to the first mounting column 25, and the first mounting column 25 and the second mounting column 26 on the same side are connected through an elastic member 27.
Two positioning columns 13 are arranged on the upper surface of the rotating plate 2, and a notch 14 for the positioning columns 13 to be embedded into is formed in the side surface of the supporting seat 3;
the lower surface of the movable plate 18 is connected with a mounting plate 22, a speed reducer 7 is mounted on the mounting plate 22, the output end of the motor 4 is mounted on the input end of the speed reducer 7, and the output end of the speed reducer 7 is connected with the lower end of the driving shaft 5 through a coupling 6.
When the visual detection device for the cloth texture is adopted, the automatic rotation and the photographing of the product completely replace manual work, the automatic detection of the cloth texture position distribution on the product is realized, the automation degree is high, the constant distance between a to-be-photographed area on the product and a camera is ensured, the photographing definition of the product at any angle can be ensured without focusing, the accuracy and the precision of the detection are improved, the time is saved, and the detection efficiency is improved;
in addition, the positioning precision of the product is improved through the matching arrangement of the guide column and the guide hole as well as the positioning column and the notch, so that the precision of product detection is further ensured.
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 (7)
1. The utility model provides a visual detection device of cloth texture which characterized in that: the device comprises an operation substrate (1), a movable plate (18) movably arranged above the operation substrate (1), a driving shaft (5), a rotating plate (2) and a lens (15), wherein the rotating plate (2) is positioned above the movable plate (18) and connected with the upper end of the driving shaft (5), the lower end of the driving shaft (5) sequentially penetrates through the movable plate (18) and the operation substrate (1) and is rotatably connected with the movable plate (18) through a bearing seat (8), and the lens (15) is arranged on the operation substrate (1) and positioned on one side of the rotating plate (2);
the center of the rotating plate (2) is provided with a mounting hole for embedding the upper end of the driving shaft (5), the upper part of the driving shaft (5) is provided with a flange part (201) which extends outwards in the radial direction and is positioned below the rotating plate (2), the upper surface of the flange part (201) is connected with the lower surface of the rotating plate (2), and the lower surface of the flange part (201) is contacted with the upper end surface of the bearing seat (8);
a motor (4) is arranged below the movable plate (18), an output shaft of the motor (4) is connected with the lower end of the driving shaft (5) and used for driving the driving shaft (5) and driving the rotating plate (2) to rotate, the motor (4) is arranged on the movable plate (18), a supporting seat (3) used for installing a product (10) to be detected is arranged on the rotating plate (2), a light source (16) is arranged between the lens (15) and the rotating plate (2), and a camera (17) is arranged at one end of the lens (15) opposite to the rotating plate (2), so that the camera (17), the lens (15), the light source (16) and the product (10) to be detected placed on the supporting seat (3) on the rotating plate (2) are positioned on the same straight line;
an adapter plate (19) is arranged between the operation substrate (1) and the movable plate (18), the lower surface of the movable plate (18) is connected with the upper surface of the adapter plate (19) in a sliding mode through two linear guide rails (20) and a sliding block (21), a cam (23) is installed on the lower surface of the rotating plate (2) and located on the outer side of the flange portion (201), the curve profile of the cam (23) is the same as the circumferential profile of the product (10) to be detected, and a follow-up roller (24) matched with the cam (23) is installed on one side of the upper surface of the adapter plate (19) in a rotating mode;
two side end surfaces of the movable plate (18) are respectively provided with a first mounting column (25), the upper surface of the adapter plate (19) and the outer sides of the two linear guide rails (20) are respectively provided with a second mounting column (26) corresponding to the first mounting column (25), and the first mounting column (25) and the second mounting column (26) which are positioned on the same side are connected through an elastic piece (27).
2. The visual inspection device of fabric texture of claim 1, wherein: the elastic piece (27) is a spring.
3. The visual inspection device of fabric texture of claim 1, wherein: two radial ball bearings are arranged in the upper portion of the bearing seat (8), and at least one deep groove ball bearing is arranged in the lower portion of the bearing seat (8).
4. The visual inspection device of fabric texture of claim 1, wherein: the lens (15) is a telecentric lens, and the light source (16) is an annular infrared light source.
5. The visual inspection device of fabric texture of claim 1, wherein: the operation substrate (1) is arranged on a rack (28), and a protective cover (29) is arranged on the outer side of the rack (28).
6. The visual inspection device of fabric texture of claim 1, wherein: the rotating plate (2) is connected with the supporting seat (3) through at least two groups of guide posts (11) and guide holes (12) in a matched mode.
7. The visual inspection device of fabric texture of claim 1, wherein: two positioning columns (13) are arranged on the upper surface of the rotating plate (2), and notches (14) for the positioning columns (13) to be embedded are formed in the side faces of the supporting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701711.7A CN111879704A (en) | 2020-07-20 | 2020-07-20 | Visual detection device for fabric texture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701711.7A CN111879704A (en) | 2020-07-20 | 2020-07-20 | Visual detection device for fabric texture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111879704A true CN111879704A (en) | 2020-11-03 |
Family
ID=73155134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010701711.7A Pending CN111879704A (en) | 2020-07-20 | 2020-07-20 | Visual detection device for fabric texture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879704A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000171413A (en) * | 1998-12-09 | 2000-06-23 | Mitsubishi Plastics Ind Ltd | Inspection apparatus |
| JP2001284898A (en) * | 2000-03-31 | 2001-10-12 | Yamagata Casio Co Ltd | Component mounting device |
| JP3097783U (en) * | 2003-05-14 | 2004-02-05 | 由田新技股▲ふん▼有限公司 | Image quality automatic detection device after liquid crystal display panel is turned on |
| CN1558662A (en) * | 2003-02-25 | 2004-12-29 | ������������ʽ���� | Electronic camera |
| CN103240863A (en) * | 2012-02-08 | 2013-08-14 | P&S技术有限公司 | Apparatus and method for inspecting preform |
| CN107144242A (en) * | 2017-06-01 | 2017-09-08 | 昆山科森科技股份有限公司 | Fingerprint module appearance delection device based on ccd image sensor |
| CN107271452A (en) * | 2017-07-25 | 2017-10-20 | 常州工程职业技术学院 | A kind of suspension disc insulator vision inspection apparatus |
| CN108387515A (en) * | 2017-02-03 | 2018-08-10 | 日本电产株式会社 | Appearance inspection device |
| CN108760758A (en) * | 2018-08-29 | 2018-11-06 | 浙江霖研精密科技有限公司 | A kind of 360 ° of open defect detection devices in outer ring |
| CN109596624A (en) * | 2018-12-24 | 2019-04-09 | 欣辰卓锐（苏州）智能装备有限公司 | A kind of rotatable multiangle visual detection device |
-
2020
- 2020-07-20 CN CN202010701711.7A patent/CN111879704A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000171413A (en) * | 1998-12-09 | 2000-06-23 | Mitsubishi Plastics Ind Ltd | Inspection apparatus |
| JP2001284898A (en) * | 2000-03-31 | 2001-10-12 | Yamagata Casio Co Ltd | Component mounting device |
| CN1558662A (en) * | 2003-02-25 | 2004-12-29 | ������������ʽ���� | Electronic camera |
| JP3097783U (en) * | 2003-05-14 | 2004-02-05 | 由田新技股▲ふん▼有限公司 | Image quality automatic detection device after liquid crystal display panel is turned on |
| CN103240863A (en) * | 2012-02-08 | 2013-08-14 | P&S技术有限公司 | Apparatus and method for inspecting preform |
| CN108387515A (en) * | 2017-02-03 | 2018-08-10 | 日本电产株式会社 | Appearance inspection device |
| CN107144242A (en) * | 2017-06-01 | 2017-09-08 | 昆山科森科技股份有限公司 | Fingerprint module appearance delection device based on ccd image sensor |
| CN107271452A (en) * | 2017-07-25 | 2017-10-20 | 常州工程职业技术学院 | A kind of suspension disc insulator vision inspection apparatus |
| CN108760758A (en) * | 2018-08-29 | 2018-11-06 | 浙江霖研精密科技有限公司 | A kind of 360 ° of open defect detection devices in outer ring |
| CN109596624A (en) * | 2018-12-24 | 2019-04-09 | 欣辰卓锐（苏州）智能装备有限公司 | A kind of rotatable multiangle visual detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204843797U (en) | Single longmen numerically control grinder | |
| EP3238875B1 (en) | Five-axis machine tool cutter posture and cutter tip position error synchronous detection mechanism | |
| CN103323229A (en) | Rotation axis error detection method of five-axis numerical control machine tool based on machine vision | |
| CN108413902B (en) | Device for detecting size and position of automobile hub mounting hole | |
| CN104142331A (en) | Machine vision detection system for standard fasteners | |
| CN204800424U (en) | Two longmen numerically control grinder | |
| JP7450963B2 (en) | Fully automatic hub 3D scanning system for intelligent production line of automotive hub | |
| CN110842767A (en) | Automatic adjusting workbench for grinding | |
| CN210210381U (en) | Roller cross guide rail PPU gets puts manipulator | |
| CN112629439A (en) | Fixed gantry type orthogonal double-laser measuring head measuring method | |
| CN216633694U (en) | Rubber roll on-line measuring device based on visual detection | |
| CN212459373U (en) | Automatic detection equipment for cloth grain direction | |
| CN111879704A (en) | Visual detection device for fabric texture | |
| CN106042001A (en) | Measurement device for tail spatial position of robot | |
| CN104142340A (en) | Mechanism using machine vision for detecting standard fasteners | |
| CN111781142A (en) | Automatic detection equipment for cloth grain direction | |
| CN111735767A (en) | Cloth texture angle detection method based on machine vision | |
| CN105571486B (en) | The spline detection device and method of splined shaft | |
| CN107953117A (en) | A kind of large-scale heavy duty ultraprecise Horizontal hollow air-float turntable | |
| CN203991342U (en) | A kind of taper roller blemish scanning means | |
| CN104142328A (en) | System for standard fastener detection | |
| CN204269060U (en) | Multi-function motor support seam axiality detection device | |
| CN205352366U (en) | Large -scale slewing bearing axiality detects and correction of flank shape device | |
| CN205580378U (en) | Laser on -line measuring device | |
| CN212006978U (en) | Intelligent detection device for bearing cover of steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |