CN109273205B - Lifting type damping type outdoor transformer mounting base - Google Patents
Lifting type damping type outdoor transformer mounting base Download PDFInfo
- Publication number
- CN109273205B CN109273205B CN201811113342.9A CN201811113342A CN109273205B CN 109273205 B CN109273205 B CN 109273205B CN 201811113342 A CN201811113342 A CN 201811113342A CN 109273205 B CN109273205 B CN 109273205B
- Authority
- CN
- China
- Prior art keywords
- base
- mounting seat
- outdoor transformer
- mounting
- sliding sleeve
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a lifting type damping type outdoor transformer mounting base, which relates to the technical field of transformers and comprises a bottom plate and a mounting base; the left side and the right side of the bottom plate are symmetrically and fixedly provided with two racks, the inner sides of the racks are rotatably provided with screw rods, the inner sides of the screw rods are also in threaded connection with threaded sleeves, and one sides of the threaded sleeves are fixedly provided with U-shaped seats; the left side and the right side of the mounting seat are slidably mounted inside the two U-shaped seats, the left side and the right side of the mounting seat are fixedly connected with the two U-shaped seats through connecting devices, and an outdoor transformer is fixedly mounted in the middle of the mounting seat; two heat dissipation devices are symmetrically arranged on the left side and the right side of the outdoor transformer in the mounting seat. The outdoor transformer mounting device is provided with the connecting device and the heat dissipation device, protects the transformer in the mounting seat, and accelerates the air flow on the surface of the outdoor transformer.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a lifting type damping type outdoor transformer mounting base.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.). The circuit symbols are usually T as the beginning of the number, e.g., T01, T201, etc.
The existing outdoor transformer needs to be additionally lifted to a certain height by a lifting device during installation, so that the installation cost of equipment is improved, and meanwhile, due to the instability of an outdoor environment, the transformer is easily subjected to vibration interference, most of the existing outdoor transformers are fixedly installed, and the shock resistance is poor.
Disclosure of Invention
The invention aims to provide a lifting type damping type outdoor transformer mounting base to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a lifting shock-absorbing outdoor transformer mounting base comprises a bottom plate and a mounting base; the left side and the right side of the bottom plate are symmetrically and fixedly provided with two supports, the inner sides of the supports are rotatably provided with screw rods, the lower ends of the two screw rods are in transmission connection through a belt, the inner sides of the screw rods are also in threaded connection with threaded sleeves, one sides of the threaded sleeves are in sliding connection with the supports, and the other sides of the threaded sleeves are fixedly provided with U-shaped seats; the left side and the right side of the mounting seat are slidably mounted inside the two U-shaped seats, the left side and the right side of the mounting seat are fixedly connected with the two U-shaped seats through connecting devices, and an outdoor transformer is fixedly mounted in the middle of the mounting seat; two heat dissipation devices are symmetrically arranged on the left side and the right side of the outdoor transformer in the mounting seat.
As a further scheme of the invention: and a second motor is fixedly mounted on the bottom plate, and the output end of the second motor is in transmission connection with one of the screw rods through a second bevel gear set.
As a still further scheme of the invention: the connecting device comprises a first base, a sliding rod and a second base, the first base is fixedly connected with the U-shaped seat, the second base is fixedly connected with the mounting seat, and the sliding rod is arranged between the first base and the second base.
As a still further scheme of the invention: the upper side and the lower side of the sliding rod are symmetrically provided with a first sliding sleeve and a second sliding sleeve in a sliding manner, the left side and the right side of the first sliding sleeve and the second sliding sleeve are respectively hinged with the first base and the second base through connecting rods, the first sliding sleeve and the second sliding sleeve are fixedly connected through springs, and the springs are sleeved on the outer side of the sliding rod.
As a still further scheme of the invention: the heat dissipation device comprises a rotating shaft, an exhaust tube and a cylinder body, a piston is slidably mounted inside the cylinder body, and a push rod for driving the piston to move left and right is fixedly mounted on the piston.
As a still further scheme of the invention: the rotating shaft is rotatably arranged in the mounting seat, two crankshafts are symmetrically arranged on the upper side and the lower side of the rotating shaft, rotating sleeves are rotatably arranged on the crankshafts, and the rotating sleeves are hinged with the push rod; the inside still fixed mounting of mount pad has first motor, and the output of first motor is connected with the pivot transmission through first bevel gear.
As a still further scheme of the invention: the exhaust tube is fixedly installed in the mounting seat, one side, close to the outdoor transformer, of the exhaust tube is evenly provided with a plurality of suction nozzles, the cylinder body is communicated with the exhaust tube, the cylinder body is further communicated with an exhaust pipe, and the exhaust pipe is provided with a one-way exhaust port.
A lifting type damping type outdoor transformer mounting device comprises the lifting type damping type outdoor transformer mounting base.
Compared with the prior art, the invention has the beneficial effects that: the mounting seat is driven to move up and down by the two screws which rotate in the same direction, so that the outdoor transformer can be conveniently mounted without other devices for carrying, and the connecting device and the heat dissipation device are arranged; meanwhile, when the piston moves left and right under the driving of the push rod, the suction nozzle extracts air on the outer surface of the outdoor transformer and discharges the air from the one-way exhaust port, so that the air flow on the surface of the outdoor transformer is accelerated, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a mounting base of a lifting type damping outdoor transformer.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
In the figure: 1-bottom plate, 2-bracket, 3-screw, 4-swivel nut, 5-U-shaped seat, 6-mounting seat, 7-rotating shaft, 8-exhaust tube, 9-suction nozzle, 10-first motor, 11-first bevel gear set, 12-belt, 13-second motor, 14-second bevel gear set, 15-crankshaft, 16-rotating sleeve, 17-push rod, 18-cylinder, 19-piston, 20-exhaust tube, 21-one-way exhaust port, 22-first base, 23-slide rod, 24-first sliding sleeve, 25-second base, 26-spring, 27-second sliding sleeve and 28-connecting rod.
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 1
Referring to fig. 1 and 3, in an embodiment of the present invention, a lifting type shock-absorbing outdoor transformer mounting base includes a bottom plate 1 and a mounting base 6; the left side and the right side of the bottom plate 1 are symmetrically and fixedly provided with two supports 2, the inner sides of the supports 2 are rotatably provided with screw rods 3, the lower ends of the two screw rods 3 are in transmission connection through a belt 12 so that the two screw rods 3 can simultaneously rotate in the same direction, the inner sides of the screw rods 3 are also in threaded connection with screw sleeves 4, one sides of the screw sleeves 4 are in sliding connection with the supports 2, and the other sides of the screw sleeves 4 are fixedly provided with U-shaped seats 5; a second motor 13 is fixedly installed on the bottom plate 1, and the output end of the second motor 13 is in transmission connection with one of the screw rods 3 through a second bevel gear set 14, so that the second motor 13 drives the screw rod 3 to rotate clockwise or anticlockwise;
the left side and the right side of the mounting seat 6 are slidably mounted inside the two U-shaped seats 5, the left side and the right side of the mounting seat 6 are fixedly connected with the two U-shaped seats 5 through connecting devices, and an outdoor transformer is fixedly mounted in the middle of the mounting seat 6; the connecting device comprises a first base 22, a sliding rod 23 and a second base 25, wherein the first base 22 is fixedly connected with the U-shaped seat 5, the second base 25 is fixedly connected with the mounting seat 6, and the sliding rod 23 is arranged between the first base 22 and the second base 25; the upper and lower bilateral symmetry slidable mounting of slide bar 23 has first sliding sleeve 24 and second sliding sleeve 27, the left and right sides of first sliding sleeve 24 and second sliding sleeve 27 passes through connecting rod 28 and articulates with first base 22 and second base 25 respectively, and pass through spring 26 fixed connection between first sliding sleeve 24 and the second sliding sleeve 27, spring 26 cover is established in the outside of slide bar 23, when mount pad 6 receives the vibration on the horizontal direction, connecting rod 28 activity, thereby make first sliding sleeve 24 and second sliding sleeve 27 take place the displacement, thereby make spring 26 take place deformation, thereby vibration has been reduced effectively, protect the inside transformer of mount pad 6.
Example 2
Referring to fig. 1 to 3, in an embodiment of the present invention, a lifting type damping outdoor transformer mounting base includes a bottom plate 1 and a mounting base 6; the left side and the right side of the bottom plate 1 are symmetrically and fixedly provided with two supports 2, the inner sides of the supports 2 are rotatably provided with screw rods 3, the lower ends of the two screw rods 3 are in transmission connection through a belt 12 so that the two screw rods 3 can simultaneously rotate in the same direction, the inner sides of the screw rods 3 are also in threaded connection with screw sleeves 4, one sides of the screw sleeves 4 are in sliding connection with the supports 2, and the other sides of the screw sleeves 4 are fixedly provided with U-shaped seats 5; a second motor 13 is fixedly installed on the bottom plate 1, and the output end of the second motor 13 is in transmission connection with one of the screw rods 3 through a second bevel gear set 14, so that the second motor 13 drives the screw rod 3 to rotate clockwise or anticlockwise;
the left side and the right side of the mounting seat 6 are slidably mounted inside the two U-shaped seats 5, the left side and the right side of the mounting seat 6 are fixedly connected with the two U-shaped seats 5 through connecting devices, and an outdoor transformer is fixedly mounted in the middle of the mounting seat 6; the connecting device comprises a first base 22, a sliding rod 23 and a second base 25, wherein the first base 22 is fixedly connected with the U-shaped seat 5, the second base 25 is fixedly connected with the mounting seat 6, and the sliding rod 23 is arranged between the first base 22 and the second base 25; a first sliding sleeve 24 and a second sliding sleeve 27 are symmetrically installed on the upper side and the lower side of the sliding rod 23 in a sliding manner, the left side and the right side of the first sliding sleeve 24 and the second sliding sleeve 27 are respectively hinged with the first base 22 and the second base 25 through connecting rods 28, the first sliding sleeve 24 and the second sliding sleeve 27 are fixedly connected through springs 26, the springs 26 are sleeved on the outer side of the sliding rod 23, when the installation seat 6 is vibrated in the horizontal direction, the connecting rods 28 move, so that the first sliding sleeve 24 and the second sliding sleeve 27 are displaced, the springs 26 are deformed, vibration is effectively reduced, and a transformer inside the installation seat 6 is protected;
two heat dissipation devices are symmetrically arranged on the left side and the right side of the outdoor transformer in the mounting seat 6, each heat dissipation device comprises a rotating shaft 7, an exhaust pipe 8 and a cylinder body 18, a piston 19 is slidably arranged in each cylinder body 18, and a push rod 17 for driving the piston 19 to move left and right is fixedly arranged on each piston 19; the rotating shaft 7 is rotatably installed inside the installation seat 6, two crankshafts 15 are symmetrically arranged on the upper side and the lower side of the rotating shaft 7, rotating sleeves 16 are rotatably installed on the crankshafts 15, the rotating sleeves 16 are hinged with push rods 17, the crankshafts 15 drive the rotating sleeves 16 to rotate when rotating along with the rotating shaft 7, and therefore the push rods 17 are driven by the push rods 17 to drive the pistons 19 to move left and right; a first motor 10 is fixedly installed inside the installation seat 6, and the output end of the first motor 10 is in transmission connection with the rotating shaft 7 through a first bevel gear 11; the exhaust tube 8 is fixedly installed inside the mounting seat 6, a plurality of suction nozzles 9 are evenly arranged on one side, close to the outdoor transformer, of the exhaust tube 8, the cylinder body 18 is communicated with the exhaust tube 8, the cylinder body 18 is further communicated with the exhaust tube 20, the exhaust tube 20 is provided with a one-way exhaust port 21, when the piston 19 is driven by the push rod 17 to move left and right, the suction nozzles 9 extract air on the outer surface of the outdoor transformer and exhaust the air from the one-way exhaust port 21, accordingly, air flowing on the surface of the outdoor transformer is accelerated, and the heat dissipation effect.
The mounting seat is driven to move up and down by the two screws which rotate in the same direction, so that the outdoor transformer can be conveniently mounted without other devices for carrying, and the connecting device and the heat dissipation device are arranged; meanwhile, when the piston moves left and right under the driving of the push rod, the suction nozzle extracts air on the outer surface of the outdoor transformer and discharges the air from the one-way exhaust port, so that the air flow on the surface of the outdoor transformer is accelerated, and the heat dissipation effect is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. A lifting shock-absorbing outdoor transformer mounting base is characterized by comprising a bottom plate (1) and a mounting base (6); the left side and the right side of the bottom plate (1) are symmetrically and fixedly provided with two supports (2), the inner sides of the supports (2) are rotatably provided with screw rods (3), the lower ends of the two screw rods (3) are in transmission connection through a belt (12), the inner sides of the screw rods (3) are also in threaded connection with threaded sleeves (4), one sides of the threaded sleeves (4) are in sliding connection with the supports (2), and the other sides of the threaded sleeves (4) are fixedly provided with U-shaped seats (5); the left side and the right side of the mounting seat (6) are slidably mounted inside the two U-shaped seats (5), the left side and the right side of the mounting seat (6) are fixedly connected with the two U-shaped seats (5) through connecting devices, and an outdoor transformer is fixedly mounted in the middle of the mounting seat (6); two heat dissipation devices are symmetrically arranged on the left side and the right side of the outdoor transformer in the mounting seat (6); a second motor (13) is fixedly mounted on the bottom plate (1), and the output end of the second motor (13) is in transmission connection with one screw (3) through a second bevel gear set (14); the connecting device comprises a first base (22), a sliding rod (23) and a second base (25), wherein the first base (22) is fixedly connected with the U-shaped seat (5), the second base (25) is fixedly connected with the mounting seat (6), and the sliding rod (23) is arranged between the first base (22) and the second base (25); a first sliding sleeve (24) and a second sliding sleeve (27) are symmetrically installed on the upper side and the lower side of the sliding rod (23) in a sliding mode, the left side and the right side of the first sliding sleeve (24) and the second sliding sleeve (27) are hinged to a first base (22) and a second base (25) through connecting rods (28), the first sliding sleeve (24) is fixedly connected with the second sliding sleeve (27) through springs (26), and the springs (26) are sleeved on the outer side of the sliding rod (23); the heat dissipation device comprises a rotating shaft (7), an air extraction pipe (8) and a cylinder body (18), a piston (19) is installed inside the cylinder body (18) in a sliding mode, and a push rod (17) for driving the piston (19) to move left and right is fixedly installed on the piston (19); the rotating shaft (7) is rotatably arranged in the mounting seat (6), two crankshafts (15) are symmetrically arranged on the upper side and the lower side of the rotating shaft (7), rotating sleeves (16) are rotatably arranged on the crankshafts (15), and the rotating sleeves (16) are hinged with the push rod (17); a first motor (10) is fixedly mounted inside the mounting seat (6), and the output end of the first motor (10) is in transmission connection with the rotating shaft (7) through a first bevel gear (11); exhaust tube (8) fixed mounting is in the inside of mount pad (6), and one side that exhaust tube (8) are close to outdoor transformer evenly is provided with a plurality of suction nozzles (9), cylinder body (18) and exhaust tube (8) intercommunication, cylinder body (18) still intercommunication have blast pipe (20), and blast pipe (20) are provided with one-way gas vent (21).
2. A lifting type shock-absorbing outdoor transformer mounting device, comprising the lifting type shock-absorbing outdoor transformer mounting base according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113342.9A CN109273205B (en) | 2018-09-25 | 2018-09-25 | Lifting type damping type outdoor transformer mounting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113342.9A CN109273205B (en) | 2018-09-25 | 2018-09-25 | Lifting type damping type outdoor transformer mounting base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109273205A CN109273205A (en) | 2019-01-25 |
| CN109273205B true CN109273205B (en) | 2020-09-22 |
Family
ID=65197898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113342.9A Expired - Fee Related CN109273205B (en) | 2018-09-25 | 2018-09-25 | Lifting type damping type outdoor transformer mounting base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109273205B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388408A (en) * | 2019-08-30 | 2019-10-29 | 国网湖南省电力有限公司 | A kind of negative stiffness can harmonize zero stiffness isolation mounting and its application method |
| CN111227532A (en) * | 2020-01-11 | 2020-06-05 | 郑州澍青医学高等专科学校 | Library's library management borrows bookshelf of going back |
| CN111405830B (en) * | 2020-04-09 | 2021-10-08 | 浙江海得成套设备制造有限公司 | Intelligent electrical cabinet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018120882A (en) * | 2017-01-23 | 2018-08-02 | 株式会社日立産機システム | Transformer |
| CN107689291B (en) * | 2017-10-09 | 2019-11-19 | 江苏乐科信息科技有限公司 | A kind of auxiliary mounting deck when transformer being facilitated to install |
| CN207743017U (en) * | 2017-12-28 | 2018-08-17 | 广州仕能电力设备有限公司 | A kind of convenient power transformer damping mounting and fixing support |
| CN108389690A (en) * | 2018-04-10 | 2018-08-10 | 于法周 | A kind of transformer for electrical power trans mission/distribution system buck/boost |
-
2018
- 2018-09-25 CN CN201811113342.9A patent/CN109273205B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109273205A (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109273205B (en) | Lifting type damping type outdoor transformer mounting base | |
| CN107170553A (en) | A kind of transformer mounting structure with function of seismic resistance | |
| CN111564279B (en) | Noise reduction type transformer with long service life and use method thereof | |
| CN108597760A (en) | A kind of transformer anti-vibration noise reducing device | |
| CN210123683U (en) | Transformer convenient to move for power substation | |
| CN205089889U (en) | Current vortex vibration damper | |
| CN211507310U (en) | Anti extruded high-efficient heat dissipation transformer | |
| CN108364758A (en) | A kind of box type transformer having cooling mechanism | |
| CN116092783B (en) | Dry-type transformer with vibration-resistant function for power distribution of marine ship | |
| CN209625988U (en) | A kind of power transformer preventing permeability | |
| CN207909700U (en) | A kind of transformer new structure | |
| CN208298652U (en) | A kind of transformer convenient for heat dissipation | |
| CN109411197A (en) | A kind of noise-reduction transformer that stability is good | |
| CN209433994U (en) | A kind of transformer shock bracket | |
| CN110504081A (en) | A kind of oil-immersed transformer and its cooling system | |
| CN212276945U (en) | Long service life's type of making an uproar transformer that falls | |
| CN211667511U (en) | Lifting type transformer fixing device | |
| CN208400664U (en) | A kind of transformer anti-vibration noise reducing device | |
| CN211455465U (en) | Transformer with damper | |
| CN210271992U (en) | Large-scale transformer rising seat shielding window with shock-absorbing function | |
| CN211181864U (en) | Shock-proof type dry-type transformer | |
| CN205645448U (en) | But natural cooling's transformer | |
| CN210015749U (en) | Accurate long-life mould transformer aluminum hull structure | |
| CN213583355U (en) | Transformer base | |
| CN212967321U (en) | Supporting seat for transformer |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Yuannan Inventor after: Zhang Wanli Inventor before: Zhang Wanli |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200828 Address after: 201100 No. 800, Dongchuan Road, Shanghai, Minhang District Applicant after: Cai Yuannan Applicant after: Yan Yisong Applicant after: Cai Shuisen Address before: 525200 Zhushan Village No. 16, Zhangjiabao, Lotus Town, Gaozhou City, Maoming City, Guangdong Province Applicant before: Zhang Wanli |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20210925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |