CN108843367B - Device convenient for tunnel ventilation for bridge - Google Patents
Device convenient for tunnel ventilation for bridge Download PDFInfo
- Publication number
- CN108843367B CN108843367B CN201810782996.4A CN201810782996A CN108843367B CN 108843367 B CN108843367 B CN 108843367B CN 201810782996 A CN201810782996 A CN 201810782996A CN 108843367 B CN108843367 B CN 108843367B
- Authority
- CN
- China
- Prior art keywords
- ventilation
- tunnel
- bridge
- fixed
- pipe
- 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
- 238000009423 ventilation Methods 0.000 title claims abstract description 77
- 239000002184 metal Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a device convenient for tunnel ventilation for a bridge, which comprises a horizontal ventilation pipe and a metal baffle plate, wherein a vertical ventilation pipe is fixed on the lower surface of the horizontal ventilation pipe and is arranged inside a bridge tunnel below the horizontal ventilation pipe, a concave mounting bracket is arranged on the upper surface inside the bridge tunnel, a rotating shaft is arranged on the lower surface of a rotating motor fixed on the upper surface inside the concave mounting bracket, the rotating motor is connected with an exhaust fan below the concave mounting bracket through the rotating shaft, a filter shell fixed inside the horizontal ventilation pipe is fixedly connected with the vertical ventilation pipe, and a gas transmission pipeline arranged on the left side surface of the bridge tunnel is connected with the horizontal ventilation pipe. The invention solves the problems of higher concentration at the other side caused by transverse structure ventilation and lower oxygen concentration in a tunnel caused by unidirectional ventilation by arranging the rotary motor, the exhaust fan, the vertical ventilation pipes, the transverse ventilation pipes, the gas transmission pipeline and the filtering shell.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a device convenient for tunnel ventilation for a bridge.
Background
In the tunnel, the vehicle that traveles can constantly discharge harmful waste gas and smoke and dust, will bring the harm to the dead personnel that props when harmful waste gas and smoke and dust concentration that discharge surpass a definite value, influence health and driving safety, therefore form safe prerequisite when keeping good air condition in the tunnel, and the purpose of ventilation is to reduce harmful gas or pollutant in the tunnel to below the allowable concentration to guarantee the security and the travelling comfort that the car was gone, but traditional tunnel ventilation unit adopts the structure of horizontal ventilation, leads to tunnel one side harmful gas concentration low easily like this, and the higher problem of opposite side harmful gas concentration.
However, the prior art has the following disadvantages:
1. the traditional tunnel ventilation is of a transverse structure, so that the problem of high concentration of harmful gas at the tunnel entrance at the other side is easily caused;
2. the structure is too simple, harmful gas can only be discharged unidirectionally, and the oxygen concentration in the tunnel is lower.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device for a bridge, which is convenient for tunnel ventilation, and solves the problems that the concentration of the other side is higher due to the ventilation of a transverse structure and the concentration of oxygen in a tunnel is lower due to unidirectional ventilation.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for facilitating tunnel ventilation for a bridge comprises a ventilation transverse pipe and a metal baffle plate, wherein a ventilation vertical pipe is fixed on the lower surface of the ventilation transverse pipe, the ventilation vertical pipe is installed inside a bridge tunnel below the ventilation transverse pipe, a concave mounting bracket is installed on the upper surface inside the bridge tunnel, a first fastening bolt and a second fastening bolt which are arranged on the upper top end of the concave mounting bracket are mutually fixed with the upper surface inside the bridge tunnel, a rotating shaft is arranged on the lower surface of a rotating motor which is fixed on the upper surface inside the concave mounting bracket, the rotating motor is mutually connected with an exhaust fan below the concave mounting bracket through the rotating shaft, a filter shell which is fixed inside the ventilation transverse pipe is mutually fixedly connected with the ventilation vertical pipe, a group of solar panels is installed on the upper surface of the ventilation transverse pipe, a gas pipeline which is arranged on the left side surface of the bridge tunnel is mutually connected with the, a set of metal montant is installed to concave type installing support left and right sides, and the welding of metal montant tail end has the lamp shade, lamp shade internally mounted has the LED lamp, filter shell inside has set gradually first air filter, second air filter and third air filter, and first air filter and the mutual joint of the inside right side fixed surface's of filter shell recess piece.
Preferably, a storage battery is fixed on the upper surface inside the concave mounting bracket.
Preferably, electric connection between the output of deposit battery and the input of rotating electrical machines and LED lamp, and electric connection between the input of deposit battery and solar panel's the output.
Preferably, the metal vertical rod is fixed through a third fastening bolt on the left surface of the concave mounting bracket.
Preferably, the upper end of the filter shell is provided with an exhaust pipe.
The invention provides a device for facilitating tunnel ventilation for a bridge, which has the following beneficial effects:
(1) according to the device, the rotary motor, the exhaust fans, the vertical ventilation pipes and the horizontal ventilation pipes are arranged, when the device is used, the rotary motor rotates at a high speed to drive the exhaust fans to rotate, the exhaust fans can reflux gas, the gas is transmitted into the horizontal ventilation pipes through the vertical ventilation pipes, the structure conducts ventilation in the vertical direction, the exhaust fans are fixed on the upper surface inside the bridge tunnel, the ventilation performance is guaranteed, the solar panels convert light energy into electric energy, and the energy is saved and the environment is protected.
(2) The invention is provided with the gas transmission pipeline and the filter shell, gas enters the filter shell through the vent vertical pipe while the device is ventilated, the first air filter element, the second air filter element and the third air filter element filter the air, the filtered gas flows back into the bridge tunnel through the gas transmission pipeline, so that the mobility of the gas is ensured, unidirectional ventilation is changed, the oxygen concentration is improved, the metal baffle plate on the side surface of the filter shell is disassembled by unscrewing the fourth fastening bolt, the filter core is favorably replaced, meanwhile, the tunnel is dark, and the LED lamp is convenient for illumination and detection and maintenance of the ventilation device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the concave mounting bracket of FIG. 1 in accordance with the present invention;
fig. 3 is a block diagram of the filter housing of fig. 1 according to the present invention.
In the figure: 1 bridge tunnel, 2 concave type installing supports, 3 first fastening bolt, 4 rotating electrical machines, 5 pivots, 6 exhaust fans, 7 storage batteries, 8 second fastening bolt, 9 ventilation standpipe, 10 horizontal ventilation pipes, 11 gas transmission pipeline, 12 solar panel, 13 ventholes, 14 metal montants, 15 lamp shades, 16LED lamp, 17 third fastening bolt, 18 filter housing, 19 first air filter, 20 second air filter, 21 third air filter, 22 groove block, 23 blast pipes, 24 metal baffle, 25 fourth fastening bolt.
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 obtained by a person skilled in the art without making any inventive step based on the embodiments of the present invention, shall fall within the scope of the present invention.
As shown in fig. 1-3, the present invention provides an embodiment: a device for facilitating tunnel ventilation for a bridge comprises a ventilation horizontal pipe 10 and a metal baffle plate 24, wherein a ventilation vertical pipe 9 is fixed on the lower surface of the ventilation horizontal pipe 10, the ventilation vertical pipe 9 is installed inside a bridge tunnel 1 below the ventilation horizontal pipe 10, a concave mounting support 2 is installed on the upper surface inside the bridge tunnel 1, a storage battery 7 is fixed on the upper surface inside the concave mounting support 2, a first fastening bolt 3 and a second fastening bolt 8 which are arranged at the upper top end of the concave mounting support 2 are mutually fixed with the upper surface inside the bridge tunnel 1, a rotating shaft 5 is arranged on the lower surface of a rotating motor 4 which is fixed on the upper surface inside the concave mounting support 2, the rotating motor 4 is mutually connected with an exhaust fan 6 below the concave mounting support 2 through the rotating shaft 5, the high-speed rotation of the rotating motor 4 can drive the exhaust fan 6 to rotate, the exhaust fan 6 can reflux gas, and the gas is transmitted into the ventilation horizontal pipe, the structure is used for ventilation in the vertical direction, a plurality of exhaust fans 6 are fixed on the upper surface inside the bridge tunnel 1 to ensure ventilation, a solar panel 12 converts light energy into electric energy, energy conservation and environmental protection are achieved, a filter shell 18 fixed inside a horizontal ventilation pipe 10 is fixedly connected with a vertical ventilation pipe 9, an exhaust pipe 23 is arranged at the upper end of the filter shell 18, a metal baffle 24 is fixed through a fourth fastening bolt 25 arranged on the left side surface of the filter shell 18, gas enters the filter shell 18 through the vertical ventilation pipe 9, a first air filter element 19, a second air filter element 20 and a third air filter element 21 filter the air, the filtered gas flows back into the bridge tunnel 1 through a gas transmission pipeline 11, the flowability of the gas is ensured, unidirectional ventilation is changed, the oxygen concentration is improved, the metal baffle 24 on the side surface of the filter shell 18 is detached by unscrewing the fourth fastening bolt 25, the replacement of the filter element is facilitated, meanwhile, the tunnel is dark, the LED lamp 16 is convenient to illuminate and detect and maintain the ventilation device, the output end of the storage battery 7 is electrically connected with the input ends of the rotating motor 4 and the LED lamp 16, the input end of the storage battery 7 is electrically connected with the output end of the solar panel 12, the upper surface of the horizontal ventilation pipe 10 is provided with the solar panel 12, the gas pipeline 11 formed in the left side surface of the bridge tunnel 1 is connected with the horizontal ventilation pipe 10, the lower surface of the concave mounting support 2 is provided with a plurality of gas outlet holes 13, a group of metal vertical rods 14 are mounted on the left side and the right side of the concave mounting support 2, the metal vertical rods 14 are fixed through third fastening bolts 17 on the left side surface of the concave mounting support 2, a lampshade 15 is welded at the tail end of each metal vertical rod 14, the LED lamp 16 is mounted inside the lampshade, The second air filter element 20 and the third air filter element 21, and the first air filter element 19 and the groove block 22 fixed on the right side surface inside the filter shell 18 are mutually clamped.
The working principle is as follows: when the air purifier is used, a power supply is connected, the high-speed rotation of the rotating motor 4 can drive the exhaust fan 6 to rotate, the exhaust fan 6 can enable gas to flow back, the gas enters the filter shell 18 through the vent vertical pipe 9, the first air filter element 19, the second air filter element 20 and the third air filter element 21 filter the gas, the filtered gas flows back into the bridge tunnel 1 through the gas transmission pipeline 11, the metal baffle 24 on the side face of the filter shell 18 is detached by unscrewing the fourth fastening bolt 25, the filter elements can be replaced conveniently, meanwhile, the tunnel is dark, and the LED lamp 16 is convenient to illuminate and detect and maintain the ventilation device.
In conclusion, the invention solves the problem of higher concentration at the other side caused by transverse structure ventilation and lower oxygen concentration in a tunnel caused by unidirectional ventilation by arranging the rotary motor 4, the exhaust fan 6, the vertical ventilation pipe 9, the horizontal ventilation pipe 10, the air transmission pipeline 11 and the filtering shell 18.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A device convenient for tunnel ventilation for a bridge comprises a horizontal ventilation pipe (10) and a metal baffle (24), wherein a vertical ventilation pipe (9) is fixed on the lower surface of the horizontal ventilation pipe (10), the vertical ventilation pipe (9) is installed inside a bridge tunnel (1) below the horizontal ventilation pipe (10), a concave mounting support (2) is installed on the upper surface inside the bridge tunnel (1), and a first fastening bolt (3) and a second fastening bolt (8) which are arranged at the upper top end of the concave mounting support (2) are mutually fixed with the upper surface inside the bridge tunnel (1); a rotating shaft (5) is arranged on the lower surface of a rotating motor (4) fixed on the upper surface in the concave mounting bracket (2), and the rotating motor (4) is connected with an exhaust fan (6) below the concave mounting bracket (2) through the rotating shaft (5); the inside fixed filter housing (18) of violently managing (10) of ventilation and ventilation standpipe (9) mutual fixed connection, and the horizontal pipe of ventilation (10) upper surface mounting has a set of solar panel (12), gas transmission pipeline (11) that bridge tunnel (1) left side surface was seted up violently manage (10) interconnect with the ventilation, and a plurality of ventholes (13), its characterized in that have been seted up to concave type installing support (2) lower surface:
concave type installing support (2) the left and right sides is installed a set of metal montant (14), and metal montant (14) tail end welding has lamp shade (15), lamp shade (15) internally mounted has LED lamp (16), filter shell (18) inside first air filter (19), second air filter (20) and third air filter (21) of having set gradually, and first air filter (19) and the mutual joint of recess piece (22) of the inside right side fixed surface of filter shell (18), and metal baffle (24) are fixed through fourth fastening bolt (25) that filter shell (18) left side surface set up.
2. The device for facilitating tunnel ventilation of a bridge according to claim 1, wherein: and a storage battery (7) is fixed on the upper surface inside the concave mounting bracket (2).
3. The device for facilitating tunnel ventilation of a bridge according to claim 2, wherein: the output end of the storage battery (7) is electrically connected with the input ends of the rotating motor (4) and the LED lamp (16), and the input end of the storage battery (7) is electrically connected with the output end of the solar panel (12).
4. The device for facilitating tunnel ventilation of a bridge according to claim 1, wherein: the metal vertical rod (14) is fixed through a third fastening bolt (17) on the left side surface of the concave mounting bracket (2).
5. The device for facilitating tunnel ventilation of a bridge according to claim 1, wherein: an exhaust pipe (23) is arranged at the upper end of the filtering shell (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782996.4A CN108843367B (en) | 2018-07-17 | 2018-07-17 | Device convenient for tunnel ventilation for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782996.4A CN108843367B (en) | 2018-07-17 | 2018-07-17 | Device convenient for tunnel ventilation for bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108843367A CN108843367A (en) | 2018-11-20 |
| CN108843367B true CN108843367B (en) | 2020-10-02 |
Family
ID=64197699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810782996.4A Active CN108843367B (en) | 2018-07-17 | 2018-07-17 | Device convenient for tunnel ventilation for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566853A (en) * | 2019-09-25 | 2019-12-13 | 江苏侨光灯具制造有限公司 | Clean lamp with air purification |
| CN113074337B (en) * | 2021-03-10 | 2022-12-02 | 机械工业第九设计研究院股份有限公司 | Suspension type light corridor device suitable for area is reprocessed in punching press workshop |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3397224B2 (en) * | 1994-07-27 | 2003-04-14 | 株式会社フジタ | Dust removal treatment method and dust removal treatment device in tunnel construction |
| CN102200022A (en) * | 2011-04-20 | 2011-09-28 | 杭州行者工业产品设计事务所 | Tunnel ventilation system |
| CN206785417U (en) * | 2017-05-27 | 2017-12-22 | 云南公投建设集团隧道工程有限公司 | A kind of solar energy tunnel ventilation unit |
| CN207278286U (en) * | 2017-10-06 | 2018-04-27 | 杜亮 | A kind of tunnel secondary ventilation device |
| CN207462842U (en) * | 2017-10-21 | 2018-06-08 | 杨高刚 | A kind of coal mine air draft detachable type filter device |
| CN207470218U (en) * | 2018-01-11 | 2018-06-08 | 山西兰花科技创业股份有限公司 | A kind of self-ventilation coal mine dedusting device |
-
2018
- 2018-07-17 CN CN201810782996.4A patent/CN108843367B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108843367A (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108843367B (en) | Device convenient for tunnel ventilation for bridge | |
| CN207122319U (en) | A kind of tunnel ventilation device | |
| CN204827813U (en) | Automatic dust collector of wind power generation heat exchanger and be equipped with its wind power generation system | |
| CN211753404U (en) | Filter core convenient to detach is clear environment-friendly discharges chimney | |
| CN110743285A (en) | Energy-saving fog gun machine with function of preventing frostbite | |
| CN205938784U (en) | Tunnel construction lighting device | |
| CN213269953U (en) | Tunnel natural dispersion exhaust device not easy to affect tunnel structure | |
| CN112856373A (en) | Efficient low-emission energy-saving equipment for green production and operation method thereof | |
| CN107246661A (en) | A kind of intelligent air purifier for smoke removing | |
| CN214895587U (en) | Portable electric power engineering detection device | |
| CN206420103U (en) | A kind of city New-air purifying system | |
| CN109611136A (en) | A kind of railway tunnel ventilation structure | |
| CN214998299U (en) | Dust collecting fan with cooling water circulation system | |
| CN214840930U (en) | Energy-saving hot-blast furnace flue gas waste heat utilization equipment | |
| CN214406337U (en) | Be applied to new trend device that forest was well-raised | |
| CN209877214U (en) | Novel medical instrument operation air purification device | |
| CN209355422U (en) | A kind of workshop new energy exhaust cooling system | |
| CN211259072U (en) | Industrial axial flow fan with filtering effect | |
| CN213454050U (en) | Building is warm to lead to and is used high-efficient ventilation unit | |
| CN205039710U (en) | Automatic heat radiation structure of dc -to -ac converter | |
| CN215216727U (en) | Hot-blast furnace smoke protection fire prevention control protection device convenient to maintain | |
| CN214715050U (en) | Dust collector is used in colliery mining prevention and cure | |
| CN211373278U (en) | Glass kiln waste heat recovery device | |
| CN218431660U (en) | Cabin detection alarm device | |
| CN216408362U (en) | Construction engineering construction detection device |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200825 Address after: 231131 Anhui city of Hefei province Changfeng Shuangfeng Economic Development Zone Shuangfeng Fenglin Road and road intersection 2 building Applicant after: ANHUI SANPIN TECHNICAL SERVICE Co.,Ltd. Address before: 241000 Room 201, G2 building, blue collar apartment, Wanchun Xinyuan, Wuhu Economic and Technological Development Zone, Anhui Province (maker space C13) Applicant before: WUHU FENTE SURVEY SERVICE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |