CN215493653U - Multistage rotating speed testing device for tubular motor - Google Patents
Multistage rotating speed testing device for tubular motor Download PDFInfo
- Publication number
- CN215493653U CN215493653U CN202121903454.1U CN202121903454U CN215493653U CN 215493653 U CN215493653 U CN 215493653U CN 202121903454 U CN202121903454 U CN 202121903454U CN 215493653 U CN215493653 U CN 215493653U
- Authority
- CN
- China
- Prior art keywords
- tubular motor
- hydraulic cylinder
- supporting
- top surface
- supporting seat
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 238000009434 installation Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model belongs to the field of tubular motors, and particularly relates to a multi-stage rotating speed testing device for a tubular motor, which comprises an operating platform, a rotating speed detector and a supporting assembly, wherein the operating platform is provided with a plurality of rotating speed detecting holes; a supporting assembly is arranged in the middle of the top surface of the operating platform, a tubular motor is clamped at the top of the supporting assembly, and the tubular motor is rotatably connected with a rotating speed detector; the supporting component comprises a supporting seat; a supporting seat is arranged in the middle of the top surface of the operating platform, a notch is formed in the top surface of the supporting seat, and a tubular motor is clamped inside the notch; the tubular motor is fixed through the notch formed in the top of the supporting seat, and the rotating shaft of the tubular motor is connected with the rotating speed detector, so that the rotating speed detector can test the running conditions of the tubular motor at different rotating speeds.
Description
Technical Field
The utility model relates to the field of tubular motors, in particular to a multi-stage rotating speed testing device for a tubular motor.
Background
Along with the automation degree is higher and higher, the use of motor is increasingly common, along with the service environment function difference of motor, evolves multiple different motors.
The tubular motor mainly comprises a stroke part, a motor part and a speed reduction part; the components are all arranged in the circular tube, so that the tubular motor is named; the tubular motor is mainly applied to the interior of the electric roller shutter door and is used for realizing the actions of ascending, stopping and descending of the roller shutter door.
After the tubular motor is produced, the tubular motor needs to be tested, and the continuous and stable running performance of the tubular motor at different rotating speeds is mainly tested; the tubular motor testing device needs to fix and lock the motor when detecting the tubular motor, but needs to replace different clamps when detecting tubular motors with different sizes, thereby greatly increasing the workload of workers; therefore, a multi-stage rotational speed testing device for a tubular motor is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multistage rotating speed testing device for a tubular motor, which aims to make up for the defects of the prior art and solve the problems that the tubular motor testing device needs to fix and lock the tubular motor when detecting the tubular motor, but different clamps need to be replaced when detecting tubular motors with different sizes, and the workload of workers is greatly increased.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a multi-stage rotating speed testing device for a tubular motor, which comprises an operation platform, a rotating speed detector and a supporting assembly, wherein the operation platform is provided with a plurality of rotating speed detecting holes; a supporting assembly is arranged in the middle of the top surface of the operating platform, a tubular motor is clamped at the top of the supporting assembly, and the tubular motor is rotatably connected with a rotating speed detector;
the supporting component comprises a supporting seat; a supporting seat is arranged in the middle of the top surface of the operating platform, a notch is formed in the top surface of the supporting seat, and a tubular motor is clamped inside the notch; the running conditions of the tubular motor under different rotating speeds are tested.
Preferably, the middle part of the top surface of the operating platform is fixedly connected with a plurality of guide rails, sliding plates are slidably mounted on the top surfaces of the guide rails, the top surface of each sliding plate is fixedly connected with a mounting plate, the middle part of the top surface of each mounting plate is fixedly connected with the bottom surface of one side of the supporting seat, and locking bolts are mounted at the four corners of each sliding plate in a threaded manner; the staff is convenient for be connected tubular motor's pivot and rotational speed detector.
Preferably, a plurality of supporting walls are fixedly connected to two sides of the top surface of the operating platform, a bearing is mounted in the middle of each supporting wall, a connecting shaft is rotatably mounted in the middle of each bearing, one end of each connecting shaft is connected with a rotating shaft of the tubular motor, and the other end of each connecting shaft is communicated with the rotating speed detector; the running conditions of the tubular motor under different rotating speeds are tested.
Preferably, a clamping assembly is arranged in the supporting seat, and comprises a driving hydraulic cylinder, a driven hydraulic cylinder, a first piston, a supporting rod, a clamping plate, a second piston, a push rod, a pipeline and a spring; the inner parts of two sides of the supporting seat are respectively provided with a cavity, a driving hydraulic cylinder is arranged in the cavity on one side, a driven hydraulic cylinder is arranged in the cavity on the other side, a first piston is arranged in the driving hydraulic cylinder and the driven hydraulic cylinder in a sliding manner, a supporting rod is fixedly connected to the middle part of the first piston, the outer ring of the supporting rod penetrates through the side wall of the notch in a sliding manner, the end head of the supporting rod is fixedly connected with a clamping plate, the clamping plates on two sides clamp the tubular motor, the driving hydraulic cylinder and one surface, close to the notch, of the inner part of the driven hydraulic cylinder are fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the first piston, the driving hydraulic cylinder is communicated with the driven hydraulic cylinder through a pipeline, a second piston is arranged on one side, far away from the notch, of the inner part of the driving hydraulic cylinder is fixedly connected with a push rod, and the outer ring of the push rod penetrates through the side wall of the supporting seat in a sliding manner, hydraulic oil is filled in the driving hydraulic cylinder and the driven hydraulic cylinder; the clamping and fixing of the tubular motor are realized, and the detection work of workers on tubular motors with different sizes is facilitated.
Preferably, the side wall of the supporting seat is fixedly connected with a sleeve column, the outer ring of the push rod is in sliding fit with the inner ring of the sleeve column, a screw rod is rotatably mounted in the middle of the sleeve column, a threaded hole is formed in the middle of the push rod, and the outer ring of the screw rod is in threaded fit with the inner ring of the threaded hole; the staff of being convenient for is fixed locking with tubular motor, has improved staff's work convenience.
Preferably, the outer ring of the push rod is provided with a plurality of sliding grooves, the inner ring of the sleeve column is fixedly connected with a plurality of raised lines, and the side walls of the raised lines are in sliding fit with the inner walls of the sliding grooves; the sliding direction of the push rod is limited, and the push rod is prevented from rotating along with the screw.
The utility model has the advantages that:
1. the sliding plate slides along the guide rail, so that the worker can adjust the position of the tubular motor according to the length of the tubular motor, the tubular motor is fixed by the notch formed in the top of the supporting seat, the rotating shaft of the tubular motor is connected with the rotating speed detector, and the operation condition of the tubular motor under different rotating speeds can be tested.
2. Through rotating the screw rod for screw-thread fit's push rod slides along the cover post with it, promotes No. two pistons and slides, makes the hydraulic oil in the initiative pneumatic cylinder flow in slave cylinder through the pipeline, promotes the piston of both sides and slides, drives the bracing piece and promotes splint and press from both sides tight tubular motor, has realized pressing from both sides tight fixedly to tubular motor, and the staff of being convenient for is to the detection achievement of unidimensional tubular motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural diagram of a supporting base according to the first embodiment;
FIG. 4 is a cross-sectional view of the supporting base according to the first embodiment;
FIG. 5 is a partial enlarged view of the portion B in FIG. 4;
fig. 6 is a partial sectional view of the support seat according to the second embodiment.
In the figure: 1. an operation table; 2. a rotation speed detector; 3. a tubular motor; 5. a supporting seat; 6. a notch; 7. a guide rail; 8. a slide plate; 9. mounting a plate; 10. locking the bolt; 11. a support wall; 12. a connecting shaft; 13. an active hydraulic cylinder; 14. a slave hydraulic cylinder; 15. a piston I; 16. a support bar; 17. a splint; 18. a piston II; 19. a push rod; 20. a pipeline; 21. a spring; 22. sleeving a column; 23. a screw; 24. a threaded hole; 25. a chute; 26. a convex strip; 27. a slide hole; 28. a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a multi-stage rotation speed testing device for a tubular motor includes an operation platform 1, a rotation speed detector 2, and a supporting assembly; a supporting assembly is arranged in the middle of the top surface of the operating platform 1, a tubular motor 3 is clamped at the top of the supporting assembly, and the tubular motor 3 is rotatably connected with a rotating speed detector 2;
the support assembly comprises a support base 5; a supporting seat 5 is arranged in the middle of the top surface of the operating platform 1, a notch 6 is formed in the top surface of the supporting seat 5, and the tubular motor 3 is clamped inside the notch 6; the tubular motor 3 is fixed through the notch 6 formed in the top of the supporting seat 5, and the rotating shaft of the tubular motor 3 is connected with the rotating speed detector 2, so that the running conditions of the tubular motor 3 under different rotating speeds can be tested.
The middle part of the top surface of the operating platform 1 is fixedly connected with a plurality of guide rails 7, the top surfaces of the guide rails 7 are slidably provided with sliding plates 8, the top surfaces of the sliding plates 8 are fixedly connected with mounting plates 9, the middle parts of the top surfaces of the mounting plates 9 are fixedly connected with the bottom surfaces of the supporting seats 5 on one side, and four corners of the sliding plates 8 are provided with locking bolts 10 in a threaded manner; slide along guide rail 7 through slide 8, the staff of being convenient for adjusts the position of tubular motor 3 according to the length of tubular motor 3 to the staff of being convenient for is connected tubular motor 3's pivot and rotational speed detector 2.
Two sides of the top surface of the operating platform 1 are fixedly connected with a plurality of supporting walls 11, the middle parts of the supporting walls 11 are provided with bearings, the middle parts of the bearings are rotatably provided with connecting shafts 12, one end of each connecting shaft 12 is connected with a rotating shaft of the tubular motor 3, and the other end of each connecting shaft 12 is communicated with the rotating speed detector 2; the tubular motor 3 and the rotating speed detector 2 are connected through the connecting shaft 12, and the rotating shaft of the tubular motor 3 is in transmission connection with the rotating speed detector 2, so that the running conditions of the tubular motor 3 under different rotating speeds can be tested.
A clamping assembly is arranged in the supporting seat 5 and comprises a driving hydraulic cylinder 13, a driven hydraulic cylinder 14, a first piston 15, a supporting rod 16, a clamping plate 17, a second piston 18, a push rod 19, a pipeline 20 and a spring 21; cavities are formed in the two sides of the supporting seat 5, a driving hydraulic cylinder 13 is arranged in the cavity on one side, a driven hydraulic cylinder 14 is arranged in the cavity on the other side, a first piston 15 is arranged in the driving hydraulic cylinder 13 and the driven hydraulic cylinder 14 in a sliding mode, a supporting rod 16 is fixedly connected to the middle of the first piston 15, the outer ring of the supporting rod 16 penetrates through the side wall of the notch 6 in a sliding mode, the end of the supporting rod 16 is fixedly connected with a clamping plate 17, the clamping plates 17 on the two sides clamp the tubular motor 3, one end of a spring 21 is fixedly connected to the side, close to the notch 6, of the driving hydraulic cylinder 13 and the side, close to the notch 6, of the driven hydraulic cylinder 14, the other end of the spring 21 is fixedly connected with the first piston 15, the driving hydraulic cylinder 13 is communicated with the driven hydraulic cylinder 14 through a pipeline 20, a second piston 18 is arranged on the side, far away from the notch 6, in the driving hydraulic cylinder 13, and a push rod 19 is fixedly connected to the middle of the second piston 18, the outer ring of the push rod 19 penetrates through the side wall of the supporting seat 5 in a sliding manner, and hydraulic oil is filled in the driving hydraulic cylinder 13 and the driven hydraulic cylinder 14; slide in the 19 case initiative hydraulic cylinder 13 through promoting the push rod, promote No. two pistons 18 and slide for hydraulic oil in the initiative hydraulic cylinder 13 flows into slave cylinder 14 through pipeline 20 in, promote the slip of a piston 15 of both sides, drive bracing piece 16 and promote splint 17 and press from both sides tight tubular motor 3, thereby realized pressing from both sides tight fixed to tubular motor 3, the staff of being convenient for is to the detection achievement of tubular motor 3 of unidimensional.
The side wall of the supporting seat 5 is fixedly connected with a sleeve column 22, the outer ring of the push rod 19 is in sliding fit with the inner ring of the sleeve column 22, a screw 23 is rotatably arranged in the middle of the sleeve column 22, a threaded hole 24 is formed in the middle of the push rod 19, and the outer ring of the screw 23 is in threaded fit with the inner ring of the threaded hole 24; through rotating the screw rod 23, the push rod 19 in threaded fit with the screw rod slides along the sleeve column 22, so that the tubular motor 3 is conveniently fixed and locked by a worker, and the working convenience of the worker is improved.
The outer ring of the push rod 19 is provided with a plurality of sliding grooves 25, the inner ring of the sleeve column 22 is fixedly connected with a plurality of convex strips 26, and the side walls of the convex strips 26 are in sliding fit with the inner walls of the sliding grooves 25; the sliding direction of the push rod 19 is restricted by the sliding engagement between the convex strip 26 and the slide groove 25, and the push rod 19 is prevented from rotating along with the screw 23.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a sliding hole 27 is formed in a side surface of the notch 6, a sliding rod 28 is slidably installed inside the sliding hole 27, and the sliding rod 28 is fixedly connected to the clamping plate 17; through sliding fit between slide bar 28 and slide hole 27, support the slip of splint 17, improved splint 17's stability, improved the centre gripping stability to tubular motor 3.
The working principle is as follows: firstly, placing the tubular motor 3 into the top notch 6 of the supporting seat 5, rotating the screw rod 23 to enable the push rod 19 in threaded fit with the screw rod to slide along the convex strip 26, pushing the second piston 18 to slide, enabling hydraulic oil in the driving hydraulic cylinder 13 to flow into the driven hydraulic cylinder 14 through the pipeline 20, pushing the first pistons 15 on two sides to slide, driving the supporting rod 16 to push the clamping plate 17 to clamp the tubular motor 3 tightly, clamping and fixing the tubular motor 3, and facilitating detection work of workers on the tubular motors 3 with different sizes;
then, the sliding plate 8 is pushed to slide along the guide rail 7, the rotating shaft of the tubular motor 3 is connected with the connecting shaft 12, the locking bolt 10 is screwed down, the sliding plate 8 is fixedly locked, and the purpose that the rotating speed detector 2 tests the running conditions of the tubular motor 3 at different rotating speeds is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a multistage rotational speed testing arrangement that tubular motor used which characterized in that: comprises an operation table (1), a rotating speed detector (2) and a supporting component; a supporting assembly is arranged in the middle of the top surface of the operating platform (1), a tubular motor (3) is clamped at the top of the supporting assembly, and the tubular motor (3) is rotatably connected with a rotating speed detector (2);
the support assembly comprises a support seat (5); the top surface middle part of operation panel (1) is provided with supporting seat (5), notch (6) are seted up to the top surface of supporting seat (5), the inside centre gripping tubular motor (3) of notch (6).
2. The multi-stage rotational speed testing device for the tubular motor as set forth in claim 1, wherein: the top surface middle part rigid coupling of operation panel (1) a plurality of guide rails (7), the top surface slidable mounting slide (8) of guide rail (7), the top surface rigid coupling mounting panel (9) of slide (8), the bottom surface rigid coupling of the top surface middle part of mounting panel (9) and one side supporting seat (5), the four corners screw thread installation locking bolt (10) of slide (8).
3. The multi-stage rotational speed testing device for the tubular motor as set forth in claim 1, wherein: the top surface both sides rigid coupling of operation panel (1) a plurality of support walls (11), the mid-mounting bearing of support wall (11), the middle part of bearing is rotated installation connecting axle (12), the pivot of tubulose motor (3) is connected to the one end of connecting axle (12), the other end intercommunication rotational speed detector (2) of connecting axle (12).
4. The multi-stage rotational speed testing device for the tubular motor as set forth in claim 1, wherein: a clamping assembly is arranged in the supporting seat (5), and comprises a driving hydraulic cylinder (13), a driven hydraulic cylinder (14), a first piston (15), a supporting rod (16), a clamping plate (17), a second piston (18), a push rod (19), a pipeline (20) and a spring (21); the inner parts of two sides of the supporting seat (5) are respectively provided with a cavity, a driving hydraulic cylinder (13) is arranged in the cavity on one side, a driven hydraulic cylinder (14) is arranged in the cavity on the other side, a first piston (15) is arranged in the driving hydraulic cylinder (13) and the driven hydraulic cylinder (14) in a sliding manner, a supporting rod (16) is fixedly connected to the middle part of the first piston (15), the outer ring of the supporting rod (16) penetrates through the side wall of the notch (6) in a sliding manner, the end of the supporting rod (16) is fixedly connected with a clamping plate (17), the clamping plates (17) on two sides clamp the tubular motor (3), one end of a spring (21) is fixedly connected to one surface, close to the notch (6), of the inner parts of the driving hydraulic cylinder (13) and the driven hydraulic cylinder (14), the other end of the spring (21) is fixedly connected with the first piston (15), and the driving hydraulic cylinder (13) is communicated with the driven hydraulic cylinder (14) through a pipeline (20), the inside of initiative pneumatic cylinder (13) is kept away from No. two pistons (18) of one side slidable mounting of notch (6), middle part rigid coupling push rod (19) of No. two pistons (18), the lateral wall of supporting seat (5) is run through in the outer lane slip of push rod (19), the inside filling hydraulic oil of initiative pneumatic cylinder (13) and slave cylinder (14).
5. The multi-stage rotational speed testing device for the tubular motor as set forth in claim 4, wherein: the side wall of the supporting seat (5) is fixedly connected with a sleeve column (22), the outer ring of the push rod (19) is in sliding fit with the inner ring of the sleeve column (22), a screw rod (23) is rotatably mounted in the middle of the sleeve column (22), a threaded hole (24) is formed in the middle of the push rod (19), and the outer ring of the screw rod (23) is in threaded fit with the inner ring of the threaded hole (24).
6. The multi-stage rotational speed testing device for the tubular motor as set forth in claim 5, wherein: the outer ring of the push rod (19) is provided with a plurality of sliding grooves (25), the inner ring of the sleeve column (22) is fixedly connected with a plurality of convex strips (26), and the side walls of the convex strips (26) are in sliding fit with the inner walls of the sliding grooves (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903454.1U CN215493653U (en) | 2021-08-13 | 2021-08-13 | Multistage rotating speed testing device for tubular motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903454.1U CN215493653U (en) | 2021-08-13 | 2021-08-13 | Multistage rotating speed testing device for tubular motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215493653U true CN215493653U (en) | 2022-01-11 |
Family
ID=79759600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121903454.1U Active CN215493653U (en) | 2021-08-13 | 2021-08-13 | Multistage rotating speed testing device for tubular motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215493653U (en) |
-
2021
- 2021-08-13 CN CN202121903454.1U patent/CN215493653U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215493653U (en) | Multistage rotating speed testing device for tubular motor | |
| CN211193043U (en) | Clamp for drilling cross shaft type universal joint | |
| CN219474557U (en) | Gear machining is with detecting frock | |
| CN213456704U (en) | High-performance fiber product reinspection detection analysis workstation | |
| CN115256323A (en) | Machining device and machining method for automobile clutch bearing block | |
| CN220230952U (en) | But air bearing of quick fixation detects platform | |
| CN108584759B (en) | Double-nut anti-skid jack and operation method thereof | |
| CN216785375U (en) | Portable elevator detects uses auxiliary table | |
| CN212217343U (en) | Bolt drilling device | |
| CN218601054U (en) | Wall brick resistance to compression testing tool with automatic centering function | |
| CN115338626B (en) | Mounting structure convenient to adjust water pump rotor axial position | |
| CN217422076U (en) | Linear motion guide rail module convenient to assembly | |
| CN220084213U (en) | New energy automobile motor test loading dynamometer | |
| CN213209472U (en) | A operation panel for automobile inspection | |
| CN215811623U (en) | A accredited testing organization for detecting high speed reducer special bearing intensity that bears | |
| CN214205272U (en) | Tractor maintenance field assembling and disassembling device | |
| CN216789031U (en) | Bearing seat with quick assembly and disassembly function | |
| CN211589271U (en) | New energy automobile gearbox box front side drilling clamp | |
| CN214497219U (en) | Basket is hung in bridge construction | |
| CN219865806U (en) | Tension bolt structure convenient to installation | |
| CN217132809U (en) | Polyester film experiment frock | |
| CN210800010U (en) | Positioning mechanism of planetary reducer | |
| CN115971965B (en) | Lubricating device for machine tool machining fixture | |
| CN220278430U (en) | Positioning device for plate shearing machine | |
| CN114412210B (en) | Reinforcing structure for assembled wall and reinforcing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231213 Address after: Room 107, 1st Floor, Dashu Village, Dingji Town, Huaiyin District, Huai'an City, Jiangsu Province, 223300 Patentee after: Jiangsu Tianen Electronic Technology Co.,Ltd. Address before: 223200 garden farm, Qingong town (former Songji township), Huai'an District, Huai'an City, Jiangsu Province Patentee before: Huai'an Guanjia Electronic Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |