CN105091808B - A kind of wind-power electricity generation built-in turnbuckle thread testing machine - Google Patents
A kind of wind-power electricity generation built-in turnbuckle thread testing machine Download PDFInfo
- Publication number
- CN105091808B CN105091808B CN201510461660.4A CN201510461660A CN105091808B CN 105091808 B CN105091808 B CN 105091808B CN 201510461660 A CN201510461660 A CN 201510461660A CN 105091808 B CN105091808 B CN 105091808B
- Authority
- CN
- China
- Prior art keywords
- seat
- test bar
- belt
- guide rail
- rail platform
- Prior art date
Links
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000006073 displacement reactions Methods 0.000 claims description 28
- 230000001939 inductive effects Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000047 products Substances 0.000 description 15
- 230000001429 stepping Effects 0.000 description 9
- 280000711007 Swivel companies 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 239000006227 byproducts Substances 0.000 description 2
- 238000010586 diagrams Methods 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reactions Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011257 shell materials Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
- G01B21/18—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
- G01B21/22—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
Abstract
Description
Technical field
The invention belongs to machine components automatic detection system technical field, particularly a kind of wind-power electricity generation built-in turnbuckle thread testing machine.
Background technology
Built-in turnbuckle based on the assembling of current wind power generation blade developing, design, process, the technology requirement such as assembling, built-in turnbuckle is used all to be threaded structure on market, confirming that in the course of processing screw thread is the most qualified, screwed hole is the most qualified with product deep hole axiality, product end surface perpendicularity etc. and be related to whether follow-up built-in turnbuckle and double threaded screw can assemble smoothly, the blade of wind-driven generator is connected with miscellaneous part.So needing screw thread, screwed hole are detected with product deep hole axiality, product end surface perpendicularity after machining, prior art 201420844855.8 discloses a kind of three male thread testing machine, mainly want feature the most qualified for detecting the diameter of thread by drift or no-go gage, but this testing machine has the disadvantage in that
1, function singleness, can only detect the diameter of thread by drift or no-go gage the most qualified, can not detect as axiality and screw thread hole depth parameter；
2, the testing machine of vertical needs manually built-in turnbuckle to be put up detection, poor continuity one by one, and automaticity is the highest；
3, after having detected, by artificial hand-held spiral shell marking machine, built-in turnbuckle is carried out mark, so cause production efficiency low and labor intensity is big.
Summary of the invention
For the problems referred to above, the present invention provides a kind of wind-power electricity generation built-in turnbuckle thread testing machine.
This wind-power electricity generation built-in turnbuckle thread testing machine, including workbench, it is characterised in that there is belt on workbench；Belt one end connects the first motor；It is provided with on the workbench of belt both sides and slides laterally seat with the first of belt direction of feed horizontal vertical, second slide laterally seat and the 3rd and slide laterally seat；Second slides laterally seat and the 3rd slides laterally seat in the same horizontal line；First slide laterally seat, second slide laterally seat and the 3rd and slide laterally seat and be all made up of the second motor, servomotor, guide rail platform, screw mandrel and sliding seat；Second motor is arranged on guide rail platform；Second stepper motor output shaft is connected with leading screw；The sliding seat of gig is on guide rail platform；Leading screw it is combined with in the middle part of sliding seat；Sliding seat top is provided with servomotor；First servo motor output shaft sliding laterally seat is connected with hole depth test bar；On guide rail platform immediately below hole depth test bar, support bar is installed；Belt both sides immediately below hole depth test bar are provided with crane；On the guide rail platform that hole depth test bar is other, first crossbeam frame is installed；Induction apparatus and control chamber are installed on first crossbeam frame；Second servo motor output shaft sliding laterally seat is connected with screw thread no-go gage test bar；On guide rail platform immediately below screw thread no-go gage test bar, support bar is installed；Belt both sides immediately below screw thread no-go gage test bar are provided with crane；On the guide rail platform that screw thread no-go gage test bar is other, second cross beam frame is installed；On second cross beam frame, induction apparatus is installed；3rd servo motor output shaft sliding laterally seat is connected with axiality drift test bar；On guide rail platform immediately below axiality drift test bar, support bar is installed；Belt direction of feed is positioned at the 3rd slide laterally a rear and have pneumatic feeding marking machine on the table is installed；The belt both sides other at pneumatic feeding marking machine are provided with crane；Pneumatic feeding marking machine opposite workbench is provided with support column；Cylinder is had to install on the table below all support bars；All induction apparatuss, motor and servomotor all electrically connect with control chamber.
There has been the screw thread of drift effect axiality drift test bar front end, is provided with boss in the middle of axiality drift test bar.
The cylindrical wall front portion of hole depth test bar is machined with 2 blind cylindrical hole being mutually 180 °, blind cylindrical hole has and connects cone detection pin by spring, cone detection pin needle point is curved, there is the first infrared displacement receptor cone detection pin lower end, the first infrared displacement generator it is provided with bottom blind cylindrical hole, hole depth test bar front end center is provided with the second infrared displacement generator, second infrared displacement receptor is arranged on control chamber bottom, there is the hole walked out for electric wire at hole depth test bar center, all infrared displacement receptors and infrared displacement generator all electrically connect with control chamber.
nullDuring use，By all cylinders and on-the-spot compressed air source unit、Valve group connects，Compressed air source unit and valve group all electrically connect with control chamber，Transmission distance is set in control chamber，The first motor is started by controlling control chamber，First stepping driven by motor belt movement，Product is transported to detection position at first，Control chamber controls cylinder and drives crane to be risen by product，When touching induction apparatus，Signal is fed back in control chamber by induction apparatus，Control chamber controls cylinder and stops rising，Then control chamber controls the second stepping driven by motor screw mandrel rotation，Control chamber controls servomotor drive hole depth test bar rotation simultaneously，Therefore hole depth test bar does swivel feeding motion，The first infrared displacement generator opened by control chamber simultaneously，When cone detection pin displacement changes，Open the second infrared displacement generator，Hole depth is reacted by the change in displacement of cone detection pin and the lateral displacement change of hole depth test bar，Compared with the hole depth value set，If it is defective，Control chamber controls servomotor and drives hole depth test bar opposite direction to rotate，Control chamber controls the second stepping driven by motor screw mandrel opposite direction rotation simultaneously，Robot arm matching used with the present invention receives the signal of telecommunication that control chamber gives，Substandard product is taken out，Crane declines，Arrive initial position；If qualified, then turning off all infrared displacement generators, control chamber controls servomotor and drives hole depth test bar opposite direction to rotate, and control chamber controls the second stepping driven by motor screw mandrel opposite direction rotation simultaneously, and crane declines, and arrives initial position；nullControl control chamber and start the first motor，First stepping driven by motor belt movement，Product is transported to detection position at second，Control chamber controls cylinder and drives crane to be risen by product，When touching induction apparatus，Signal is fed back in control chamber by induction apparatus，Control chamber controls cylinder and stops rising，Then control chamber controls the second stepping driven by motor screw mandrel rotation，Control chamber controls servomotor drive screw thread no-go gage test bar rotation simultaneously，Therefore screw thread no-go gage test bar swivel feeding，When servomotor torsion is without substantially conversion，Then product is defective，Control chamber controls servomotor and drives screw thread no-go gage test bar opposite direction to rotate，Control chamber controls the second stepping driven by motor screw mandrel opposite direction rotation simultaneously，Robot arm matching used with the present invention receives the signal of telecommunication that control chamber gives，Substandard product is taken out，Crane declines，Arrive initial position；When servomotor torsion increases to setting value, then product is qualified, signal is fed back to control chamber by servomotor, control chamber controls servomotor and drives screw thread no-go gage test bar opposite direction to rotate, control chamber controls the second stepping driven by motor screw mandrel opposite direction rotation simultaneously, and crane declines arrival initial position；Same principle, then the 3rd slides laterally seat and drives axiality drift test bar to make swivel feeding motion, owing to boss and drift screw thread exist, when servomotor torsion increases to setting value, then product is defective, mechanical hand matching used with the present invention, is taken out by substandard product；When servomotor torsion is without significant change, then product is qualified；3rd slides laterally seat drives axiality drift test bar to make to reversely rotate setback, to initial position, control control chamber and start the first motor, first stepping driven by motor belt movement, product is transported to mark location, product is risen to setting position by crane, and pneumatic feeding marking machine carries out mark action.
The beneficial effects of the present invention is and improve production efficiency and reduce labor intensity.
Accompanying drawing explanation
Fig. 1. perspective view of the present invention
Fig. 2. front view of the present invention
Fig. 3. top view of the present invention
Fig. 4. axiality drift test bar front view
Fig. 5. hole depth test bar structural representation
In Fig. 1, Fig. 2 and Fig. 3: 1, workbench, 2, belt, the 3, first motor, 4, first slides laterally seat, 5, second seat is slid laterally, 6, the 3rd seat is slid laterally, the 7, second motor, 8, servomotor, 9, guide rail platform, 10, screw mandrel, 11, sliding seat, 12, hole depth test bar；
In Figure 5: 12.1, blind cylindrical hole, 12.2, spring, 12.3, cone detection pin, the 12.4, first infrared displacement receptor, the 12.5, first infrared displacement generator, the 12.6, second infrared displacement generator, the 12.7, second infrared displacement receptor；
In fig. 2: 12.8, hole；
In Fig. 1, Fig. 2 and Fig. 3,13, support bar, 14, crane, 15, induction apparatus, 16, control chamber, 17, screw thread no-go gage test bar, 18, second cross beam frame, 19, axiality drift test bar, 20, pneumatic feeding marking machine, 21, support column；
In fig. 2: 22, cylinder；
In the diagram: 23, screw thread, 24, boss；
In Fig. 1, Fig. 2 and Fig. 3: 25, first crossbeam frame.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
In Fig. 1, Fig. 2 and Fig. 3, this wind-power electricity generation built-in turnbuckle thread testing machine, including workbench 1, it is characterised in that there is belt 2 on workbench 1；Belt 2 one end connects the first motor 3；It is provided with on the workbench 1 of belt 2 both sides and slides laterally seat 4 with the first of belt 2 direction of feed horizontal vertical, second slide laterally seat 5 and the 3rd and slide laterally seat 6；Second slides laterally seat 5 and the 3rd slides laterally seat 6 in the same horizontal line；First slide laterally seat 4, second slide laterally seat 5 and the 3rd and slide laterally seat 6 and be all made up of the second motor 7, servomotor 8, guide rail platform 9, screw mandrel 10 and sliding seat 11；Second motor 7 is arranged on guide rail platform 9；Second motor 7 output shaft is connected with leading screw 10；Sliding seat 11 is positioned on guide rail platform 9；Leading screw 10 it is combined with in the middle part of sliding seat 11；Sliding seat 11 top is provided with servomotor 8；First servomotor 8 output shaft sliding laterally seat 4 is connected with hole depth test bar 12；On guide rail platform 9 immediately below hole depth test bar 12, support bar 13 is installed；Belt 2 both sides immediately below hole depth test bar 12 are provided with crane 14；On the guide rail platform 9 that hole depth test bar 12 is other, first crossbeam frame 25 is installed；Induction apparatus 15 and control chamber 16 are installed on first crossbeam frame 25；Second servomotor 8 output shaft sliding laterally seat 5 is connected with screw thread no-go gage test bar 17；On guide rail platform 9 immediately below screw thread no-go gage test bar 17, support bar 13 is installed；Belt 2 both sides immediately below screw thread no-go gage test bar 17 are provided with crane 14；On the guide rail platform 9 that screw thread no-go gage test bar 17 is other, second cross beam frame 18 is installed；Induction apparatus 15 is installed on second cross beam frame 18；3rd servomotor 8 output shaft sliding laterally seat 6 is connected with axiality drift test bar 19；On guide rail platform 9 immediately below axiality drift test bar 19, support bar 13 is installed；Belt 2 direction of feed is positioned at the 3rd slide laterally seat 6 rear and have the pneumatic feeding marking machine 20 being arranged on workbench 1；Belt 2 both sides other at pneumatic feeding marking machine 20 are provided with crane 14；Pneumatic feeding marking machine 20 opposite workbench 1 is provided with support column 21；Cylinder 22 is had to be arranged on workbench 1 below all support bars；All induction apparatuss, motor and servomotor all electrically connect with control chamber 16.
In the diagram, there has been the screw thread 23 of drift effect axiality drift test bar 19 front end, and axiality drift test bar 19 is middle is provided with boss 24.
In Fig. 5 and Fig. 2, the cylindrical wall front portion of hole depth test bar 12 is machined with 2 blind cylindrical hole 12.1 being mutually 180 °, blind cylindrical hole 12.1 has and connects cone detection pin 12.3 by spring 12.2, cone detection pin 12.3 needle point is curved, there is the first infrared displacement receptor 12.4 cone detection pin 12.3 lower end, the first infrared displacement generator 12.5 it is provided with bottom blind cylindrical hole, hole depth test bar 12 front end center is provided with the second infrared displacement generator 12.6, second infrared displacement receptor 12.7 is arranged on control chamber 16 bottom, there is the hole 12.8 for electric wire is walked out at hole depth test bar 12 center, all infrared displacement receptors and infrared displacement generator all electrically connect with control chamber 12.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461660.4A CN105091808B (en) | 2015-07-31 | 2015-07-31 | A kind of wind-power electricity generation built-in turnbuckle thread testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461660.4A CN105091808B (en) | 2015-07-31 | 2015-07-31 | A kind of wind-power electricity generation built-in turnbuckle thread testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105091808A CN105091808A (en) | 2015-11-25 |
| CN105091808B true CN105091808B (en) | 2016-11-30 |
Family
ID=54572768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510461660.4A CN105091808B (en) | 2015-07-31 | 2015-07-31 | A kind of wind-power electricity generation built-in turnbuckle thread testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105091808B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643395A (en) * | 2016-12-30 | 2017-05-10 | 湖南飞沃新能源科技股份有限公司 | Full-automatic detection device for pre-buried thread sleeve |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091871B (en) * | 2016-07-11 | 2019-01-15 | 徐州威而特电动汽车配件有限公司 | The detector of electromagnetic valve body screw thread test machine all around slipping mechanism |
| CN106197351B (en) * | 2016-07-22 | 2018-11-06 | 罗信精密零件(上海)有限公司 | A kind of pneumatic detection device of two axis planer-types of XY automation |
| CN108458648A (en) * | 2017-12-27 | 2018-08-28 | 重庆长安汽车股份有限公司 | A kind of skid on-line measuring device |
| CN108801201B (en) * | 2018-06-28 | 2020-01-31 | 湖南飞沃新能源科技股份有限公司 | wind-powered electricity generation swivel nut roughness surface detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401923A (en) * | 2003-05-20 | 2004-11-24 | Cromton Technology Group Ltd | Composite torque disc with circumferential reinforcement |
| CN103162900A (en) * | 2013-02-28 | 2013-06-19 | 国电联合动力技术有限公司 | Embedded type bolt shaft force sensor calibration system and usage method thereof |
| CN203274666U (en) * | 2013-06-09 | 2013-11-06 | 中国葛洲坝集团股份有限公司 | Pre-embedded load-bearing bolt deformation monitoring early warning device |
| CN204043647U (en) * | 2014-07-10 | 2014-12-24 | 常德市飞沃新能源部件制造有限公司 | A kind of deep hole internal thread detection device |
-
2015
- 2015-07-31 CN CN201510461660.4A patent/CN105091808B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401923A (en) * | 2003-05-20 | 2004-11-24 | Cromton Technology Group Ltd | Composite torque disc with circumferential reinforcement |
| CN103162900A (en) * | 2013-02-28 | 2013-06-19 | 国电联合动力技术有限公司 | Embedded type bolt shaft force sensor calibration system and usage method thereof |
| CN203274666U (en) * | 2013-06-09 | 2013-11-06 | 中国葛洲坝集团股份有限公司 | Pre-embedded load-bearing bolt deformation monitoring early warning device |
| CN204043647U (en) * | 2014-07-10 | 2014-12-24 | 常德市飞沃新能源部件制造有限公司 | A kind of deep hole internal thread detection device |
Non-Patent Citations (1)
| Title |
|---|
| 风电叶片根部螺栓在预埋螺栓套时的强度分析方法与试验研究;萨昊亮;《全国优秀硕士学位论文库》;20150415;全文 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643395A (en) * | 2016-12-30 | 2017-05-10 | 湖南飞沃新能源科技股份有限公司 | Full-automatic detection device for pre-buried thread sleeve |
| CN106643395B (en) * | 2016-12-30 | 2019-02-12 | 湖南飞沃新能源科技股份有限公司 | A kind of built-in turnbuckle full-automatic detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105091808A (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102756138B (en) | High-accuracy hole forming method for aircraft wall panel | |
| CN101907893B (en) | Aircraft component attitude adjusting assembly system based on parallel mechanism with six degrees of freedom and debugging method | |
| CN103471542B (en) | Full-automatic rotor measuring machine | |
| US9573212B2 (en) | Gap detection apparatus | |
| CN204122862U (en) | A kind of Gear Processing accurate positioning device | |
| CN100411796C (en) | Cable terminal automatic tin welding machine | |
| CN204019544U (en) | A kind of running type machine grabbing device | |
| CN103802221B (en) | The movable table structure of two-way digital control glass automatic drilling machine | |
| CN202006327U (en) | Quick positioning fixture for numerical control linear cutting machine | |
| CN202192182U (en) | Wire cutting device for spring forming machine | |
| CN202464870U (en) | Automatic deviation rectifying apparatus of splitting machine | |
| CN102003943B (en) | Method for measuring diameter of non-contact forging on line by using laser | |
| CN102513819B (en) | Right angle type expansion bolt and screw automatic assembly device and defect detection method thereof | |
| CN204209580U (en) | Tire automatic clamping device | |
| CN202377739U (en) | Adjusting device for wrap angle of welding turning roll | |
| CN102441758B (en) | Welding roller carrier wrap angle adjusting device and use method for same | |
| CN104325467B (en) | Robot motion's accuracy test device | |
| CN204758029U (en) | Performance of dispatching from factory electric actuator detects platform | |
| CN106270740B (en) | A kind of bellows cutter device | |
| CN202506936U (en) | Automatic welding equipment for large thin-wall conduit longitudinal joint | |
| CN205342265U (en) | Pipe flange weldment work station | |
| CN104148790B (en) | A kind of planer-type H profile steel welding equipment of pure mechanism wire feed | |
| CN201807842U (en) | Automatically-welded adaptive device and adaptive control device | |
| CN102490113A (en) | High-precision rotary positioning workbench | |
| CN105598658B (en) | A kind of flexible axis hole automatic assembling apparatus applied to large-scale precision equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| COR | Change of bibliographic data | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Youjun Inventor after: Liu Jie Inventor after: Jiang Yige Inventor after: Chen Zhibo Inventor after: Tang Bin Inventor after: Zhao Quanyu Inventor after: Fu Bo Inventor before: Chen Zhibo Inventor before: Tang Bin Inventor after: Zhang Youjun Inventor after: Liu Jie Inventor after: Jiang Yige Inventor after: Chen Zhibo Inventor after: Tang Bin Inventor after: Zhao Quanyu Inventor after: Fu Bo Inventor before: Chen Zhibo Inventor before: Tang Bin |
|
| COR | Change of bibliographic data | ||
| CB02 | Change of applicant information |
Address after: Guanyin Bridge village zoushi town of Taoyuan County in Hunan province Changde city two group 415701 Applicant after: Hunan Wo Wo Wo new energy Polytron Technologies Inc Address before: Guanyin Bridge village zoushi town of Taoyuan County in Hunan province Changde city two group 415701 Applicant before: HUNAN FEIWO NEW ENERGY TECHNOLOGY CO., LTD. Address after: Guanyin Bridge village zoushi town of Taoyuan County in Hunan province Changde city two group 415701 Applicant after: Hunan Wo Wo Wo new energy Polytron Technologies Inc Address before: Guanyin Bridge village zoushi town of Taoyuan County in Hunan province Changde city two group 415701 Applicant before: HUNAN FEIWO NEW ENERGY TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wind power generation pre-embedded thread sleeve screw thread detection machine Effective date of registration: 20200702 Granted publication date: 20161130 Pledgee: Changde branch of Industrial Bank Co., Ltd Pledgor: FINEWORK (HUNAN) NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980003723 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200915 Granted publication date: 20161130 Pledgee: Changde branch of Industrial Bank Co., Ltd Pledgor: FINEWORK (HUNAN) NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980003723 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |