CN208192111U - A kind of pipe tobacco conveying benefit wind control device - Google Patents
A kind of pipe tobacco conveying benefit wind control device Download PDFInfo
- Publication number
- CN208192111U CN208192111U CN201820687612.6U CN201820687612U CN208192111U CN 208192111 U CN208192111 U CN 208192111U CN 201820687612 U CN201820687612 U CN 201820687612U CN 208192111 U CN208192111 U CN 208192111U
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- Prior art keywords
- pipe
- feeding
- wire
- negative pressure
- air channel
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 28
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 28
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 19
- 230000008676 import Effects 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 4
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
It is conveyed the utility model discloses a kind of pipe tobacco and mends wind control device, bottom end discharge port set by cyclone dust collectors is connected to feed bin set by cigarette machine, gas outlet set by cyclone dust collectors is connected to the backwind tube for being mounted with air returning valve, backwind tube gas outlet is provided with the pipeline with pumping blower, air inlet set by cyclone dust collectors is connected to discharge port set by wire-feeding pipe, feed inlet set by wire-feeding pipe is connected to wire feeder, wire feed bend pipe set by wire-feeding pipe is provided with feeding secondary air channel at the position of bend pipe import, feeding secondary air channel is the metal tube of hollow both ends open, feeding secondary air channel one end is connected to wire-feeding pipe, the other end is connected to nearly bend pipe import, negative pressure feedback switch is provided at winding pipe exit set by the wire feed bend pipe other end, the blowdown pipe for being 15 to 65 degree relative to feeding secondary air channel airflow direction centerlines is provided on feeding secondary air channel, tonifying Qi The problem of pipe is correspondingly connected with negative pressure feedback switch, dissatisfied certainly wire feed shakiness, wire feed blockage.
Description
Technical field
The utility model relates to the benefit wind devices field during the wind model of pipe tobacco, wind is mended in espespecially a kind of pipe tobacco conveying
Control device.
Background technique
In tobacco business cigarette producing process link, because process needs, all there is use air-flow wind model
The process of pipe tobacco material, especially finished cut tobacco wire feeder send the transmission process to cigarette machine to complete by Pneumatic silk feeding.
Actual fed route is different because of each tobacco productive corporation process equipment arrangement space, it is more difficult to realize the road of smooth conveying
Line is: wire feeder with cigarette machine is arranged in different level plane, and there are vertical transport section, longer section of conveying distance, wire feed air hose are curved
Head is compared with multistage, elbow leading portion and back segment absolute altitude disunity section etc..
This undesirable pipe tobacco landline is mainly shown as that wire feed shakiness, wire-feeding pipe are frequently occluded, and leads to this ask
Topic the limitation for having its source in each plant process equipment arrangement space, it is this due to process equipment arrangement space limitation it is this not
Ideal landline largely exists in each cigarette enterprise.
After study, it has been found that during pipe tobacco air-flow wind is sent, as long as landline is tortuous, and route is not same
On one absolute altitude, vertical transport there is, can generate pendency effect, i.e., when cigarette machine feeding bin is full, wire-feeding pipe will expect that valve closes
It closes, wire-feeding pipe loses conveying negative pressure, and wire feeder stops for silk, and the pipe tobacco in wire feeding pipe line will stop conveying operation, position at this time
In vertical section pipe tobacco under the effect of gravity, under fall on vertical starting point, so instantly secondary material when, will be in vertical starting point
Cause plugging.
Summary of the invention
To solve the above problems, the utility model provides a kind of pipe tobacco conveying benefit wind control device, as long as the device
It is installed to wire feeding pipe line appropriate location, it can the problem of dissatisfied certainly wire feed is unstable, wire feed blockage.
In order to achieve the above objectives, the utility model is realized using following technology, a kind of pipe tobacco conveying benefit wind control device, packet
Include wire-feeding pipe, feeding secondary air channel, blowdown pipe, negative pressure feedback switch, air returning valve, backwind tube, cyclone dust collectors, wherein cyclone dust removal
Bottom end discharge port set by device is connected to feed bin set by cigarette machine, and the connection of gas outlet set by cyclone dust collectors is mounted with returning for air returning valve
Air hose, backwind tube gas outlet are provided with the pipeline with pumping blower, air inlet set by cyclone dust collectors and the set discharging of wire-feeding pipe
Mouth is connected to, and feed inlet set by wire-feeding pipe is connected to wire feeder, and wire feed bend pipe set by wire-feeding pipe is set at the position of bend pipe import
It is equipped with feeding secondary air channel, feeding secondary air channel is the metal tube of hollow both ends open, and feeding secondary air channel one end is connected to wire-feeding pipe, another
End is connected to nearly bend pipe import, and negative pressure feedback is provided at winding pipe exit set by the wire feed bend pipe other end and is switched, on feeding secondary air channel
It is provided with the blowdown pipe for being 15 to 65 degree relative to feeding secondary air channel airflow direction centerlines, blowdown pipe and negative pressure
Feedback switch is correspondingly connected with.
The blowdown pipe is empty by air inlet inclined tube, air-powered electromagnetic butterfly valve, kinetic pressure as a further improvement of the utility model,
Hose composition, wherein air inlet inclined tube is the metal circular tube of hollow both ends open, and air inlet inclined tube is relative to feeding secondary air channel air-flow side
It is 15 to 65 degree to centerlines to be obliquely installed, air inlet inclined tube one end is connected to feeding blowdown pipe, and the other end is equipped with
Air-powered electromagnetic butterfly valve provided with butterfly valve driver, one end that air-powered electromagnetic butterfly valve is not connect with air inlet inclined tube and kinetic pressure sky are soft
Pipe connection, butterfly valve driver switch counter structure with negative pressure feedback by conducting wire or control line and connect.
The negative pressure feedback switch is made of negative pressure linked switch, power supply as a further improvement of the utility model,
Middle negative pressure linked switch, power supply connect to form closed circuit by conducting wire with butterfly valve driver, and negative pressure linked switch, which is installed on, to be sent
Silk outer surface of bent pipe simultaneously extends to counter structure in wire feed bend pipe.
The negative pressure linked switch is made of mounting cup, linked switch as a further improvement of the utility model, wherein
Mounting cup is installed on wire feed bend pipe, and linked switch is set in mounting cup, is provided with valve and vacuum orifice at the top of mounting cup.
The mounting cup is made of low-pressure chamber, installing pipe as a further improvement of the utility model, and wherein low-pressure chamber is
Hollow cylindrical sealed tube body, is provided with aerating valve and pumping vacuum orifice at the top of low-pressure chamber, among low-pressure chamber bottom
Region is provided with the cylindrical installing pipe of hollow both ends open, and one end that installing pipe is not connect with low-pressure chamber is provided with installation spiral shell
Line is connect with feeding bend pipe by installation screw thread and extends to feeding bend pipe inner surface area, and installing pipe extends to feeding bend pipe
Interior one end top is provided with the rubber membrane with sealing ring, and rubber membrane inner surface is provided with linked switch counter structure.
As a further improvement of the utility model, the linked switch by anode, cathode, negative terminal, positive terminal,
Activity installation axle, snapping terminal, linkage ear, drive rod, is flexibly connected ear composition at interlocking bar, and anode is installed on mounting cup top
Region, the installation of cathode face anode, it is corresponding that the portion of upper surface of cathode and anode in mounting cup is respectively arranged with cathode
Negative terminal and the corresponding positive terminal of anode, negative terminal is interior to be equipped with rectangle direct rod shape interlocking bar one by activity installation axle
Cuboid or spherical snapping end by tilting down installation is arranged in end, the interlocking bar other end, and snapping end is located at positive terminal
Surface, interlocking bar middle lower surface are provided with flexible connection ear, are flexibly connected ear and round metal cylindricality direct rod shape drive rod one
End connection, the drive rod other end are installed on rubber membrane inner surface set by installation bottom of the tube by the ear that links.
Working principle: when cigarette machine will expect, air returning valve is in open state；
Air returning valve air outlet section is connect with pumping blower, and pumping blower one in front and one in back generates two active forces with wire feeder will
Pipe tobacco is sent to furling plate round machine feed bin, is provided with cyclone dust collectors, cyclone dust collectors inlet end at cigarette machine feed bin top feed mouth
It is connect with pipe outlet set by wire feeder, cyclone dust collectors outlet side is connect with conduit air inlet where air returning valve, cyclone dust removal
Device bottom discharge end is connected to cigarette machine feed bin top feed mouth, and which results in also deposit between the pipeline of conveying cut tobacco and cigarette machine
In a middle roll-over, cause charging more stable quickly, while if pipeline that region (mainly pipeline bayhead region, letter
Claim bend pipe) it blocks, then this region just will form a negative pressure, this negative pressure since the suction of pumping blower is drawn
It will lead to negative pressure feedback switch to start and air-powered electromagnetic butterfly valve is driven to work, after air-powered electromagnetic butterfly valve is opened, the power in pipeline
Empty send the wind-force of supplement to bend pipe front end of pressure increases air output, and final unclog the pipe causes the negative pressure of bend pipe front end to disappear, gas
Dynamic electromagnetism butterfly valve stops working, and unclog the pipe terminates.
Mode of operation: 1, wire-feeding pipe vertical transport section minimum point turn before straight tube at a 30-45 ° angle stainless steel is added
Threeway (caliber with identical with wire-feeding pipe caliber), the Stainless steel tee branch pipe air inlet direction is consistent with wire feed direction.
2, an air-powered electromagnetic butterfly valve (specification is identical as Stainless steel tee caliber) is installed on Stainless steel tee branch pipe.Its
Effect is closed in time when signal will be expected by receiving cigarette machine；When receiving cigarette machine material position expires signal fastly, valve plate is opened in time
Carry out benefit wind.
3, in cigarette machine hopper feeding bin, material-level measure is moved horizontally to the right and is switched to suitable position, wind air blow and return is postponed
Valve closing time.Cigarette machine material-level measure switchs at mobile installation site See Figure arrow instruction.
4, a piece 24V control signal wire of air-powered electromagnetic butterfly valve power supply and cigarette machine hopper feeding bin material-level measure switch or
It is connected with negative pressure feedback switch connection, while working out corresponding control program on cigarette machine, after so that solenoid valve is connected to switching signal,
It can be opened or closed in moment, reach and mend wind or closing effect.
5, pneumatics tracheae needed for air-powered electromagnetic butterfly valve is accessed from nearest pneumatics gas branch pipe with quick high-pressure tracheae, can also be straight
Kinetic pressure sky is connect in succession.
Detailed description of the invention
Fig. 1 is a kind of pipe tobacco conveying benefit wind controling device structure diagram；
Fig. 2 is that negative pressure feedback switch structure diagram set by wind control device is mended in a kind of conveying of pipe tobacco；
Fig. 3 is that blowdown pipe scheme of installation set by wind control device is mended in a kind of conveying of pipe tobacco；
Fig. 4 is that negative pressure linked switch schematic diagram set by wind control device is mended in a kind of conveying of pipe tobacco；
1- wire feeder in figure；2- blowdown pipe；3- negative pressure feedback switch；4- feeding blowdown pipe；5- winding pipe exit；6- cigarette machine
Into silk mouth；7- backwind tube；8- air returning valve；9- cigarette machine；10- wire feed bend pipe；11- bend pipe import；12- wire-feeding pipe；13- breaker
Knife；14- kinetic pressure sky hose；15- air-powered electromagnetic butterfly valve；16- butterfly valve driver；17- power supply；18- negative pressure linked switch；19-
Anode；20- snapping end；21- low-pressure chamber；22- is flexibly connected ear；23- interlocking bar；24- negative terminal；25- cathode；26- is living
Dynamic installation axle；27- drive rod；28- consolidates cylinder；29- installing pipe；30- rubber membrane；31- linkage ear；32- mounting rack；33- installation
Screw thread；The firm protrusion of 34-.
Specific embodiment
Embodiment 1
Wind control device is mended in a kind of pipe tobacco conveying as shown in Figures 1 to 4, including wire-feeding pipe, feeding secondary air channel, blowdown pipe,
Negative pressure feedback switch, air returning valve, backwind tube, cyclone dust collectors, wherein bottom end discharge port set by cyclone dust collectors and cigarette machine institute
If feed bin is connected to, the connection of gas outlet set by cyclone dust collectors is mounted with the backwind tube of air returning valve, and backwind tube gas outlet is provided with band
Be evacuated the pipeline of blower, air inlet set by cyclone dust collectors is connected to discharge port set by wire-feeding pipe, feed inlet set by wire-feeding pipe and
Wire feeder is connected to, and wire feed bend pipe set by wire-feeding pipe is provided with feeding secondary air channel, feeding secondary air channel at the position of bend pipe import
For the metal tube of hollow both ends open, feeding secondary air channel one end is connected to wire-feeding pipe, and the other end is connected to nearly bend pipe import, wire feed bend pipe
It is provided with negative pressure feedback switch at winding pipe exit set by the other end, is provided on feeding secondary air channel relative to feeding secondary air channel air-flow
The blowdown pipe that direction center line angle is 15 to 65 degree, blowdown pipe are correspondingly connected with negative pressure feedback switch, the tonifying Qi
Pipe is made of air inlet inclined tube, air-powered electromagnetic butterfly valve, kinetic pressure sky hose, and wherein air inlet inclined tube is the round metal of hollow both ends open
Pipe, air inlet inclined tube are 15 to 65 degree relative to feeding secondary air channel airflow direction centerlines and are obliquely installed that air inlet is oblique
Pipe one end is connected to feeding blowdown pipe, and the other end is equipped with the air-powered electromagnetic butterfly valve provided with butterfly valve driver, air-powered electromagnetic butterfly valve
The one end not connecting with air inlet inclined tube is connected to kinetic pressure sky hose, and butterfly valve driver passes through conducting wire or control line and negative pressure feedback
Counter structure connection is switched, the negative pressure feedback switch is made of negative pressure linked switch, power supply, wherein negative pressure linked switch, electricity
Source connects to form closed circuit by conducting wire with butterfly valve driver, and negative pressure linked switch is installed on wire feed outer surface of bent pipe and will be right
Structure is answered to extend in wire feed bend pipe, the negative pressure linked switch is made of mounting cup, linked switch, and wherein mounting cup is installed on
On wire feed bend pipe, linked switch is set in mounting cup, is provided with valve and vacuum orifice at the top of mounting cup, the mounting cup by
Low-pressure chamber, installing pipe composition, wherein low-pressure chamber is hollow cylindrical sealed tube body, be provided at the top of low-pressure chamber aerating valve and
Pumping vacuum orifice, low-pressure chamber bottom intermediate region are provided with the cylindrical installing pipe of hollow both ends open, installing pipe not with
One end of low-pressure chamber connection is provided with installation screw thread, is connect by installation screw thread with feeding bend pipe and extends to table in feeding bend pipe
Face region, one end top that installing pipe extends in feeding bend pipe are provided with the rubber membrane with sealing ring, and rubber membrane inner surface is set
It is equipped with linked switch counter structure, the linked switch is by anode, cathode, negative terminal, positive terminal, activity installation axle, connection
Lever, linkage ear, drive rod, is flexibly connected ear composition at snapping terminal, and anode is installed on mounting cup upper area, cathode face
Anode installation, the portion of upper surface of cathode and anode in the mounting cup are respectively arranged with the corresponding negative terminal of cathode and anode
Corresponding positive terminal, negative terminal is interior to be equipped with rectangle direct rod shape interlocking bar one end by activity installation axle, and interlocking bar is another
End setting is located at right above positive terminal by the cuboid or spherical snapping end, snapping end for tilting down installation, interlocking bar
Middle lower surface is provided with flexible connection ear, is flexibly connected ear and connect with round metal cylindricality direct rod shape drive rod one end, drive rod
The other end is installed on rubber membrane inner surface set by installation bottom of the tube by the ear that links.
Claims (6)
1. wind control device, including wire-feeding pipe, feeding secondary air channel, blowdown pipe, negative pressure feedback switch, return air are mended in a kind of pipe tobacco conveying
Valve, backwind tube, cyclone dust collectors, it is characterised in that: bottom end discharge port set by cyclone dust collectors is connected to feed bin set by cigarette machine,
Gas outlet set by cyclone dust collectors is connected to the backwind tube for being mounted with air returning valve, and backwind tube gas outlet is provided with the pipe with pumping blower
Road, air inlet set by cyclone dust collectors are connected to discharge port set by wire-feeding pipe, and feed inlet set by wire-feeding pipe is connected to wire feeder, is sent
Wire feed bend pipe set by fiber tube is provided with feeding secondary air channel at the position of bend pipe import, and feeding secondary air channel is hollow both ends open
Metal tube, feeding secondary air channel one end is connected to wire-feeding pipe, and the other end is connected to nearly bend pipe import, bend pipe set by the wire feed bend pipe other end
Exit is provided with negative pressure feedback switch, is provided on feeding secondary air channel relative to feeding secondary air channel airflow direction centerlines
For 15 to 65 degree of blowdown pipe, blowdown pipe is correspondingly connected with negative pressure feedback switch.
2. wind control device is mended in a kind of pipe tobacco conveying according to claim 1, it is characterised in that: the blowdown pipe is oblique by air inlet
Pipe, air-powered electromagnetic butterfly valve, kinetic pressure sky hose composition, wherein air inlet inclined tube is the metal circular tube of hollow both ends open, and air inlet is oblique
Pipe is 15 to 65 degree relative to feeding secondary air channel airflow direction centerlines and is obliquely installed that air inlet inclined tube one end is connected to
Feeding blowdown pipe, the other end are equipped with the air-powered electromagnetic butterfly valve provided with butterfly valve driver, and air-powered electromagnetic butterfly valve is not oblique with air inlet
One end of pipe connection is connected to kinetic pressure sky hose, and butterfly valve driver passes through conducting wire or control line knot corresponding with negative pressure feedback switch
Structure connection.
3. wind control device is mended in a kind of pipe tobacco conveying according to claim 1 or claim 2, it is characterised in that: the negative pressure feedback is opened
Pass is made of negative pressure linked switch, power supply, and wherein negative pressure linked switch, power supply are connected to be formed and be closed with butterfly valve driver by conducting wire
Circuit is closed, negative pressure linked switch is installed on wire feed outer surface of bent pipe and extends to counter structure in wire feed bend pipe.
4. wind control device is mended in a kind of pipe tobacco conveying according to claim 3, it is characterised in that: the negative pressure linked switch by
Mounting cup, linked switch composition, wherein mounting cup is installed on wire feed bend pipe, and linked switch is set in mounting cup, mounting cup
Top is provided with valve and vacuum orifice.
5. wind control device is mended in a kind of pipe tobacco conveying according to claim 4, it is characterised in that: the mounting cup is by low pressure
Room, installing pipe composition, wherein low-pressure chamber is hollow cylindrical sealed tube body, is provided with aerating valve and pumping at the top of low-pressure chamber
With vacuum orifice, low-pressure chamber bottom intermediate region is provided with the cylindrical installing pipe of hollow both ends open, installing pipe not with low pressure
One end of room connection is provided with installation screw thread, is connect by installation screw thread with feeding bend pipe and extends to feeding bend pipe inner surface section
Domain, one end top that installing pipe extends in feeding bend pipe are provided with the rubber membrane with sealing ring, and rubber membrane inner surface is provided with
Linked switch counter structure.
6. wind control device is mended in a kind of pipe tobacco conveying according to claim 4, it is characterised in that: the linked switch is by just
Pole, negative terminal, positive terminal, activity installation axle, interlocking bar, snapping terminal, linkage ear, drive rod, is flexibly connected ear at cathode
Composition, anode are installed on mounting cup upper area, the installation of cathode face anode, and cathode and anode are located on the part in mounting cup
Surface is respectively arranged with the corresponding negative terminal of cathode and the corresponding positive terminal of anode, passes through activity installation axle in negative terminal
Rectangle direct rod shape interlocking bar one end is installed, cuboid or spherical snapping end by tilting down installation is arranged in the interlocking bar other end
Head, snapping end are located at right above positive terminal, and interlocking bar middle lower surface is provided with flexible connection ear, are flexibly connected ear and gold
Belong to the rod-shaped drive rod one end connection of cylindrical straight, the drive rod other end is installed on rubber membrane set by installation bottom of the tube by the ear that links
Inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687612.6U CN208192111U (en) | 2018-05-09 | 2018-05-09 | A kind of pipe tobacco conveying benefit wind control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687612.6U CN208192111U (en) | 2018-05-09 | 2018-05-09 | A kind of pipe tobacco conveying benefit wind control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208192111U true CN208192111U (en) | 2018-12-07 |
Family
ID=64520324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820687612.6U Expired - Fee Related CN208192111U (en) | 2018-05-09 | 2018-05-09 | A kind of pipe tobacco conveying benefit wind control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208192111U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661657A (en) * | 2019-03-06 | 2020-09-15 | Sk新技术株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN112335929A (en) * | 2020-08-20 | 2021-02-09 | 南京大树智能科技股份有限公司 | Parameter touch method for flexible wind-power wire feeding |
| CN115381133A (en) * | 2022-08-30 | 2022-11-25 | 湖南核三力技术工程有限公司 | Multi-wire-collecting-box continuous stable constant-speed wind-driven wire feeding method and system |
-
2018
- 2018-05-09 CN CN201820687612.6U patent/CN208192111U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661657A (en) * | 2019-03-06 | 2020-09-15 | Sk新技术株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN111661657B (en) * | 2019-03-06 | 2024-01-12 | Sk新能源株式会社 | Automatic powder conveying system using vacuum conveyor |
| CN112335929A (en) * | 2020-08-20 | 2021-02-09 | 南京大树智能科技股份有限公司 | Parameter touch method for flexible wind-power wire feeding |
| CN112335929B (en) * | 2020-08-20 | 2022-01-28 | 南京大树智能科技股份有限公司 | Parameter touch method for flexible wind-power wire feeding |
| CN115381133A (en) * | 2022-08-30 | 2022-11-25 | 湖南核三力技术工程有限公司 | Multi-wire-collecting-box continuous stable constant-speed wind-driven wire feeding method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |