CN208830974U - A kind of vertical oil-pumping machine with belt fracture defencive function - Google Patents
A kind of vertical oil-pumping machine with belt fracture defencive function Download PDFInfo
- Publication number
- CN208830974U CN208830974U CN201821501317.3U CN201821501317U CN208830974U CN 208830974 U CN208830974 U CN 208830974U CN 201821501317 U CN201821501317 U CN 201821501317U CN 208830974 U CN208830974 U CN 208830974U
- Authority
- CN
- China
- Prior art keywords
- belt
- vertical oil
- wirerope
- pumping machine
- ballast box
- 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.)
- Withdrawn - After Issue
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 50
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 abstract 2
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013070 change management Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a kind of vertical oil-pumping machines with belt fracture defencive function, including rack, sucker rod, ballast box, controller, four guiding protection mechanisms are installed in rack, wirerope protection mechanism, driving motor with two output shafts, belt pulley there are two being set on every output shaft, the opposite connection belt of two belt pulley difference winding coiling directions, guiding protection mechanism include equipped with pressure sensor pedestal and one end and pedestal it is hinged, the other end is equipped with the mounting bracket of directive wheel, two wirerope are equipped between sucker rod and ballast box, wirerope protection mechanism includes lead limit switch, lower plate, upper mobile board equipped with touch panel and two the second runners, the connector of winding elastic component, wirerope is by the first runner and the support connection of the second runner, driving motor, pressure sensor, lead limit switch with Controller is connected.The utility model can be improved the security performance of vertical oil-pumping machine, judge its operating status convenient for obtaining indicator card in real time.
Description
Technical field
The utility model relates to a kind of vertical oil-pumping machines with belt fracture defencive function.
Background technique
Vertical oil-pumping machine is the common machinery equipment of oil exploitation, generally includes rack, sucker rod, ballast box, rack
Driving motor is installed at top, and sucker rod passes through belt respectively with ballast box and connects driving motor, when work, in the drive of driving motor
Under dynamic, ballast box and sucker rod make counter motion by corresponding belt traction respectively, this vertical oil-pumping machine has the disadvantage that 1,
Lack the structure design that can be played a protective role in belt fracture, belt not only damages vertical oil-pumping machine sheet once being broken
Body, and the personal safety of surface personnel is threatened, it be easy to cause heavy economic losses；It 2, can not when vertical oil-pumping machine works
Indicator card is obtained at any time and its operating status is reflected by indicator card, is also needed the work for additionally carrying out measurement of power figure, is increased work
The workload and work load of personnel reduces working efficiency.
Summary of the invention
The technical issues of the utility model solves is to provide a kind of vertical oil-pumping machine with belt fracture defencive function.
The technical solution of the utility model is: a kind of vertical oil-pumping machine with belt fracture defencive function, including rack,
Sucker rod, ballast box, driving motor is equipped in the rack, and the driving motor has two output shafts and every output shaft
On be fitted with two belt pulleys, one of belt pulley on same root output shaft is arranged with the oil pumping for connecting the sucker rod
Bar connection belt, another belt pulley are arranged with the ballast box connection belt for connecting the ballast box, and the sucker rod connects
Lace connects the coiling direction of belt with ballast box and protects on the contrary, corresponding to each connection belt in the rack and being respectively equipped with guiding
Protect mechanism, the guiding protection mechanism includes pedestal, the mounting bracket on the pedestal, one end of the mounting bracket and
Pedestal is hinged, the other end is equipped with support connecting with pumping rod connection belt or the rotatable directive wheel of ballast box connection belt,
It is additionally provided with and is in contact with mounting bracket to detect the pressure sensor that mounting bracket bears pressure, the vertical pumping on the pedestal
Oil machine further includes controller, two non-interference wirerope is equipped between the sucker rod and ballast box, on the sucker rod
Portion corresponds to the first runner that two wirerope are respectively equipped with support connecting steel wire ropes, and the top of ballast box is located in the rack
Equipped with wirerope protection mechanism, the wirerope protection mechanism includes lower plate, upper mobile board, connection lower plate and upper mobile board
Connector, be arranged with the elastic component that both ends push against lower plate and upper mobile board respectively, the upper mobile board on the connector
Upper the second runner that support connecting steel wire ropes are respectively equipped with corresponding to two wirerope, sets between the lower plate and upper mobile board
There is lead limit switch, the upper mobile board is equipped with the touch panel matched with the lead limit switch when wirerope stress
Upper mobile board is pushed by the second runner when tightening and triggers lead limit switch, the driving motor, pressure by the striking plate
Force snesor, lead limit switch are connected with the controller.
Further, the connection of sucker rod described in the utility model belt is wound around the skin of inside in driving motor output shaft
On belt wheel, the ballast box connection belt is wound around on the superolateral belt pulley of driving motor output shaft.
Further, pedestal described in the utility model is removably mounted in the rack.
Further, hinged, the hinge is realized between pedestal and mounting bracket described in the utility model by articulated shaft
Spindle wears pedestal and mounting bracket.
Further, in the utility model between two mounting brackets on sucker rod top be equipped with connecting shaft, two first
Runner is rotatably installed in the connecting shaft.
Further, elastic component described in the utility model is spring.
Further, lower plate described in the utility model is equipped with the limit for height block of limitation upper mobile board falling head.
Further, lead limit switch described in the utility model is mounted on the limit for height block.
Further, controller described in the utility model is also connected with touch display screen.
Compared with the prior art, the utility model has the following advantages:
1) correspond to two sucker rod connection belts and two ballast box connection belt difference in the utility model, in rack
Particular design has a guiding protection mechanism, and the directive wheel being oriented in protection mechanism can play the corresponding connection belt of support connection
Effect, while for connection belt lifting be oriented to, the pressure sensor on pedestal being capable of real-time detection mounting bracket institute
The pressure of receiving, in vertical oil-pumping machine steady operation, pressure sensor pressure is significantly larger than preset value, once connection skin
Band is broken, and pressure sensor pressure significantly reduces, and when being less than preset value, controller can be according to pressure sensor
Pressure data issue the signal that stops working to driving motor, so that vertical pumping unit carries out stoppage protection, it is possible thereby to
It avoids damage vertical oil-pumping machine itself and causes additional economic loss, provide guarantor for the personal safety of surface personnel
Barrier, greatly improves the security performance of vertical oil-pumping machine.
2) in the utility model, controller can obtain in real time indicator card according to four pressure sensor data detected
And shown by touch display screen, judge the operating status of vertical oil-pumping machine at any time convenient for staff, saves measurement of power figure
Work improves working efficiency, while being convenient for the acquisition and intelligence of data to mitigate the workload and work load of staff
Change management.
3) in the utility model, two wirerope of particular design can be pulled up pumping when connecting belt and being broken
Beam hanger or ballast box, the phenomenon of falling that on the one hand sucker rod or ballast box can be effectively prevent to be likely to occur because moment is unbalance,
On the other hand it is also avoided that the case where fracture in succession occur in other connection belts of initiation, is conducive to further increase vertical oil-pumping machine
Security performance.
4) in the utility model, in order to avoid wirerope stress is snapped, particular design has wirerope protection mechanism in rack,
It when wirerope stress is tightened, can push upper mobile board by the second runner, and then be touched by particular design on upper mobile board
Plate triggers lead limit switch, and controller can stop working according to the signal that lead limit switch issues to driving motor sending
Signal, vertical pumping unit carries out stoppage protection, provides double shield for the security performance of vertical oil-pumping machine.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the schematic perspective view (wherein pressure sensor is not drawn into) of the utility model；
Fig. 2 is the schematic perspective view that protection mechanism is oriented in the utility model；
Fig. 3 is the schematic perspective view of wirerope protection mechanism in the utility model.
Wherein: 1, rack；2, sucker rod；3, ballast box；4, driving motor；5, belt pulley；6, sucker rod connects belt；7,
Ballast box connects belt；8, pedestal；9, mounting bracket；10, directive wheel；11, pressure sensor；12, articulated shaft；13, wirerope；
14, the first runner；15, connecting shaft；16, lower plate；17, upper mobile board；18, connector；19, spring；20, the second runner；21,
Lead limit switch；22, touch panel；23, limit for height block.
Specific embodiment
Embodiment:
A kind of specific reality of the vertical oil-pumping machine with belt fracture defencive function of the utility model is shown in conjunction with attached drawing
Mode, including rack 1, sucker rod 2, ballast box 3 are applied, driving motor 4 is installed in the rack 1, the driving motor 4 has
Two belt pulleys 5 are fitted on two output shafts and every output shaft, the belt pulley 5 of inside is arranged on same root output shaft
The belt pulley 5 of the sucker rod connection belt 6, outside that connect the sucker rod 2 is arranged with the ballast box company for connecting the ballast box 3
Lace 7, and the sucker rod connection belt 6 connected with ballast box belt 7 coiling direction it is opposite.
Correspond to each connection belt in the rack 1 and is respectively equipped with guiding protection mechanism, as shown in connection with fig. 2, the guiding
Protection mechanism includes the pedestal 8 being removably mounted in the rack 1, the mounting bracket 9 on the pedestal 8, described
One end of mounting bracket 9 is hinged with pedestal 8, the other end is equipped with support connecting with pumping rod and connect belt 6 or ballast box connection skin
With 7 rotatable directive wheel 10, specifically, being realized hingedly between the pedestal 8 and mounting bracket 9 by articulated shaft 12, institute
It states articulated shaft 12 and wears pedestal 8 and mounting bracket 9, be additionally provided with and be in contact with mounting bracket 9 to detect installation branch on the pedestal 8
The pressure sensor 11 of the receiving pressure of frame 9.
In guiding protection mechanism, directive wheel 10 can play support connecting with pumping rod connection belt 6 or ballast box connection
The effect of belt 7, while the lifting for connection belt is oriented to, the pressure sensor 11 on pedestal 8 being capable of real-time detection peace
The pressure that dress bracket 9 is born, in vertical oil-pumping machine steady operation, four 11 pressures of pressure sensor are all significantly larger than
Preset value, no matter which item connection belt is broken, and corresponding pressure sensor 11 just has load change, and pressure is substantially
Degree reduces.
In addition, two non-interference wirerope 13 are equipped between the sucker rod 2 and ballast box 3, on the sucker rod 2
Portion corresponds to the first runner 14 that two wirerope 13 are respectively equipped with support connecting steel wire ropes 13, two peaces on 2 top of sucker rod
It fills and is equipped with connecting shaft 15 between bracket 9, two the first runners 14 are rotatably installed in the connecting shaft 15.
Wirerope protection mechanism, as shown in connection with fig. 3, the wirerope are equipped with positioned at the top of ballast box 3 in the rack 1
Protection mechanism includes lower plate 16, upper mobile board 17, two connectors 18, Mei Gelian for connecting lower plate 16 and upper mobile board 17
The spring 19 that both ends push against lower plate 16 Yu upper mobile board 17 respectively is arranged on fitting 18, the lower plate 16 is equipped with limit
Two limit for height blocks 23 of 17 falling head of upper mobile board processed correspond to two wirerope 13 on the upper mobile board 17 and are respectively equipped with
Support the second runner 20 of connecting steel wire ropes 13.
Lead limit switch 21 is additionally provided between the lower plate 16 and upper mobile board 17, the lead limit switch 21 is pacified
On the limit for height block 23, the upper mobile board 17 is equipped with the touch panel 22 matched with the lead limit switch 21 to work as
It pushes upper mobile board 17 by the second runner 20 when 13 stress of wirerope is tightened and triggers stroke limit by the striking plate 22 and open
Close 21.
When connection belt is broken, two wirerope 13 can play the work for being pulled up sucker rod 2 or ballast box 3
With, thus the phenomenon of falling for effectivelying prevent sucker rod 2 or ballast box 3 to be likely to occur because moment is unbalance, while being also avoided that and drawing
It sends out other connection belts and the case where fracture in succession occurs, be conducive to the security performance for improving vertical oil-pumping machine.
The vertical oil-pumping machine further includes controller, the driving motor 4, pressure sensor 11, lead limit switch 21
It is connected with the controller, the controller is also connected with touch display screen.
This vertical oil-pumping machine is in steady operation, and under the driving of driving motor 4, sucker rod 2 and ballast box 3 are by four
Counter motion is made in the traction of connection belt and two wirerope 13, and four 11 pressures of pressure sensor are all significantly larger than default
Value, no matter which item connection belt is broken, and corresponding 11 pressure of pressure sensor significantly reduces, and is less than preset value
When, controller can issue the signal to stop working to driving motor 4 according to the pressure data of pressure sensor 11, to oppose
Formula pumping unit carries out stoppage protection, it is possible thereby to avoid damage vertical oil-pumping machine itself and cause additional economic loss, is
The personal safety of surface personnel provides safeguard, and greatly improves the security performance of vertical oil-pumping machine；Meanwhile it is disconnected in connection belt
After splitting, wirerope 13 can continue to be pulled up sucker rod 2 or ballast box 3, prevent phenomenon of falling, and is also avoided that and causes it
He connects belt and the case where fracture in succession occurs, is conducive to the security performance for further increasing vertical oil-pumping machine；In order to avoid steel
13 stress of cord is snapped, and particular design has wirerope protection mechanism in rack 1, when 13 stress of wirerope is tightened, can be passed through
Second runner 20 pushes upper mobile board 17, and then triggers lead limit switch by the striking plate 22 of particular design on upper mobile board 17
21, controller can issue the signal to stop working according to the signal that lead limit switch 21 issues to driving motor 4, vertical
Pumping unit carries out stoppage protection, so that the security performance for vertical oil-pumping machine provides double shield.
In addition, controller can also obtain in real time indicator card and by touching according to four data detected of pressure sensor 11
It touches display screen to be shown, judges the operating status of vertical oil-pumping machine at any time convenient for staff, save the work of measurement of power figure, from
And mitigate the workload and work load of staff, working efficiency is improved, while acquisition and intelligent management convenient for data.
Certainly the above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with this
The people of technology can understand the content of the utility model and implement accordingly, and the protection model of the utility model can not be limited with this
It encloses.Any modifications made in accordance with the spirit of the main technical solutions of the utility model should all cover the guarantor in the utility model
Within the scope of shield.
Claims (9)
1. a kind of vertical oil-pumping machine with belt fracture defencive function, including rack (1), sucker rod (2), ballast box (3), institute
It states and driving motor (4) is installed on rack (1), it is characterised in that: the driving motor (4) has two output shafts and every defeated
Two belt pulleys (5) are fitted on shaft, one of belt pulley (5) on same root output shaft is arranged with the connection pumping
Sucker rod connection belt (6) of beam hanger (2), another belt pulley (5) are arranged with the ballast box connection for connecting the ballast box (3)
Belt (7), and sucker rod connection belt (6) connects the coiling direction of belt (7) with ballast box on the contrary, the rack
(1) correspond to each connection belt on and be respectively equipped with guiding protection mechanism, the guiding protection mechanism includes pedestal (8), is set to institute
The mounting bracket (9) on pedestal (8) is stated, one end and pedestal (8) of the mounting bracket (9) are hinged, the other end is equipped with support
Connecting with pumping rod connects the rotatable directive wheel (10) of belt (6) or ballast box connection belt (7), goes back on the pedestal (8)
Equipped with being in contact with mounting bracket (9) to detect the pressure sensor (11) that mounting bracket (9) bear pressure, the vertical oil pumping
Machine further includes controller, and two non-interference wirerope (13) are equipped between the sucker rod (2) and ballast box (3), described
Sucker rod (2) top corresponds to the first runner (14) that two wirerope (13) are respectively equipped with support connecting steel wire ropes (13), institute
It states the top on rack (1) positioned at ballast box (3) and is equipped with wirerope protection mechanism, the wirerope protection mechanism includes lower plate
(16), upper mobile board (17), connect the connectors (18) of lower plate (16) and upper mobile board (17), on the connector (18) around
It pushes against the elastic component of lower plate (16) Yu upper mobile board (17) respectively equipped with both ends, corresponds to two on the upper mobile board (17)
Wirerope (13) is respectively equipped with the second runner (20) of support connecting steel wire ropes (13), the lower plate (16) and upper mobile board
(17) lead limit switch (21) are equipped between, the upper mobile board (17) is equipped with to be matched with the lead limit switch (21)
The touch panel (22) of conjunction is to push upper mobile board (17) by the second runner (20) when wirerope (13) stress is tightened and by institute
State touch panel (22) triggering lead limit switch (21), the driving motor (4), pressure sensor (11), lead limit switch
(21) it is connected with the controller.
2. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Sucker rod connection belt (6) is wound around on driving motor (4) output shaft on the belt pulley (5) of inside, and the ballast box connects skin
Band (7) is wound around on the superolateral belt pulley of driving motor (4) output shaft (5).
3. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Pedestal (8) is removably mounted on the rack (1).
4. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Realize that hingedly, the articulated shaft (12) wears pedestal (8) and peace by articulated shaft (12) between pedestal (8) and mounting bracket (9)
It fills bracket (9).
5. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: oil pumping
Connecting shaft (15) are equipped between two mounting brackets (9) on bar (2) top, two the first runners (14) are rotatably installed in institute
It states on connecting shaft (15).
6. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Elastic component is spring (19).
7. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Lower plate (16) is equipped with the limit for height block (23) of limitation upper mobile board (17) falling head.
8. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 7, it is characterised in that: described
Lead limit switch (21) is mounted on the limit for height block (23).
9. a kind of vertical oil-pumping machine with belt fracture defencive function according to claim 1, it is characterised in that: described
Controller is also connected with touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501317.3U CN208830974U (en) | 2018-09-14 | 2018-09-14 | A kind of vertical oil-pumping machine with belt fracture defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501317.3U CN208830974U (en) | 2018-09-14 | 2018-09-14 | A kind of vertical oil-pumping machine with belt fracture defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208830974U true CN208830974U (en) | 2019-05-07 |
Family
ID=66313347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821501317.3U Withdrawn - After Issue CN208830974U (en) | 2018-09-14 | 2018-09-14 | A kind of vertical oil-pumping machine with belt fracture defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208830974U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979596A (en) * | 2018-09-14 | 2018-12-11 | 贵州航天林泉电机有限公司苏州分公司 | A kind of vertical oil-pumping machine with belt fracture defencive function |
| CN110295874A (en) * | 2019-08-13 | 2019-10-01 | 北京富机达能电气产品股份有限公司 | A kind of pumping unit and method using servo-control system |
| CN110761744A (en) * | 2019-10-25 | 2020-02-07 | 山西省平遥减速器有限责任公司 | High-precision bailing type oil pumping unit for oil exploitation |
| CN110847885A (en) * | 2019-10-22 | 2020-02-28 | 冯祎诺 | Device and method for monitoring running state of oil pumping unit |
-
2018
- 2018-09-14 CN CN201821501317.3U patent/CN208830974U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979596A (en) * | 2018-09-14 | 2018-12-11 | 贵州航天林泉电机有限公司苏州分公司 | A kind of vertical oil-pumping machine with belt fracture defencive function |
| CN108979596B (en) * | 2018-09-14 | 2024-04-05 | 贵州航天林泉电机有限公司苏州分公司 | Vertical pumping unit with belt fracture protection function |
| CN110295874A (en) * | 2019-08-13 | 2019-10-01 | 北京富机达能电气产品股份有限公司 | A kind of pumping unit and method using servo-control system |
| CN110847885A (en) * | 2019-10-22 | 2020-02-28 | 冯祎诺 | Device and method for monitoring running state of oil pumping unit |
| CN110761744A (en) * | 2019-10-25 | 2020-02-07 | 山西省平遥减速器有限责任公司 | High-precision bailing type oil pumping unit for oil exploitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208830974U (en) | A kind of vertical oil-pumping machine with belt fracture defencive function | |
| CN204311720U (en) | High-lift operation hanging cradle | |
| CN207002128U (en) | A kind of hydraulic lift for work high above the ground | |
| CN108716605A (en) | One kind having shock-absorbing function and facilitates fixed mining support device | |
| CN210598319U (en) | Mechanical parking equipment wire rope locking device and parking equipment | |
| CN103774901A (en) | Rope loosening detection device of steel wire rope | |
| CN204847918U (en) | Wire rope plastic guider | |
| CN108979596A (en) | A kind of vertical oil-pumping machine with belt fracture defencive function | |
| CN206624583U (en) | Electric block provided with height limiting device | |
| CN201095578Y (en) | Rope loosing breaking protector | |
| CN108216674A (en) | Brake apparatus and connecting bridge | |
| CN207046627U (en) | A kind of Lift car type elevator speed-limiting device | |
| CN207218476U (en) | The climbing robot being oriented to based on guide | |
| CN203334049U (en) | Mechanism for protecting electric clothes hanging machine against overload and obstacles | |
| CN204416834U (en) | A kind of building hoist protection mechanism | |
| CN207391747U (en) | A kind of multi-function embroidery machine automatically oiling tensioner | |
| CN207275902U (en) | A kind of fairlead and the cable drum control system using the device | |
| CN109132894A (en) | Lifting equipment | |
| CN205328478U (en) | Heavy balanced tower crane | |
| CN114940446A (en) | Detection device for steel wire rope of tower crane during lifting | |
| CN204789628U (en) | Product radio detection position adjusting device | |
| CN206903652U (en) | Oil pumper anticollision device asynchronous with polished rod | |
| CN209038900U (en) | A kind of precast beam station-service gantry crane sliding contact line apparatus | |
| CN210944451U (en) | Elevator and counterweight structure | |
| CN209442484U (en) | A kind of elevator cab buffer unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240405 |