CN111502731B - Remote control flexible air door and remote control system for air door - Google Patents

Remote control flexible air door and remote control system for air door Download PDF

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Publication number
CN111502731B
CN111502731B CN202010343557.0A CN202010343557A CN111502731B CN 111502731 B CN111502731 B CN 111502731B CN 202010343557 A CN202010343557 A CN 202010343557A CN 111502731 B CN111502731 B CN 111502731B
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China
Prior art keywords
door
embedded
rail
pocket
door pocket
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Active
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CN202010343557.0A
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Chinese (zh)
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CN111502731A (en
Inventor
顾新宇
史俊文
赵仁乐
张纪堂
何恩亮
左翠彬
宋维军
陈庆涛
卢兆雪
房涛
刘银忠
赵峰
王福宝
徐立
李晓成
韩庆丽
来永广
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Linyi Hui Bao Ling Iron Co ltd
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Linyi Hui Bao Ling Iron Co ltd
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Priority to CN202010343557.0A priority Critical patent/CN111502731B/en
Publication of CN111502731A publication Critical patent/CN111502731A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/10Air doors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/10Air doors
    • E21F1/12Devices for automatically opening air doors

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The invention relates to the technical field of mining air door devices, in particular to a remote control flexible air door. The utility model provides a flexible air door of remote control, including first embedded door pocket, the embedded door pocket of second, first slide rail, the second slide rail, first track door and second track door, all seted up a body storage tank on first embedded door pocket and the embedded door pocket of second, install first slide rail and the second slide rail of longitudinal symmetry between the top surface of the body storage tank of the first embedded door pocket and the top surface of the body storage tank of the embedded door pocket of second, first track door is installed in the body storage tank of first embedded door pocket through first slide rail, second track door is installed in the body storage tank of the embedded door pocket of second through the second slide rail, first vent has been seted up to the right-hand member of first track door, the second vent has been seted up to the left end of second track door, the vent area of first vent and second vent cooperation adjustment air door. The invention has high structural strength, and the ventilation opening is easy to adjust and convenient to clean.

Description

Remote control flexible air door and remote control system for air door
Technical Field
The invention relates to the technical field of mining air door devices, in particular to a remote control flexible air door and an air door remote control system.
Background
At the present stage, coal mine safety problems are increasingly prominent in China, and the main reason for directly causing serious casualties when disasters such as underground fire disasters or gas explosions occur is that a large amount of toxic and harmful gas generated during the disasters invades and spreads to a mining area to cause poisoning and suffocation death of people in the mining area. How to guarantee that mine ventilation system is stable when the calamity takes place limits poisonous and harmful gas in local area, prevents it to continue to spread and spread, or with the leading-in ventilation system total return airway of poisonous and harmful gas, needs an infrastructure exactly to be the air door. The air door is a main ventilation construction facility for the ventilation safety management of underground mining, plays a key role in the underground air quantity allocation, is a facility with wide application and more quantity, and plays an important role in the safe production of mines, the normal operation of ventilation systems and the disaster control.
Current dampers also suffer from a number of disadvantages when used, such as: (1) the size of the ventilation opening can not be flexibly adjusted through the air door or the adjustment is inconvenient; (2) the wooden door plate has poor structural strength and is easy to damage; (3) local deformation easily occurs in the underground environment, and even slight deformation has great influence on the door body and influences the normal opening and closing of the door body; (4) the door body is inconvenient to clean and needs to be cleaned regularly by a specially-assigned person.
Disclosure of Invention
The invention aims to provide a remote control flexible air door and an air door remote control system, which overcome the defects that the size of a vent cannot be flexibly adjusted through the air door, the structural strength of a door plate is poor, the influence of slight deformation of underground environment on a door body is large, the door body is inconvenient to clean and the like in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a remote control flexible air door comprises a first embedded door pocket, a second embedded door pocket, a first slide rail, a second slide rail, a first rail door and a second rail door, wherein the first embedded door pocket and the second embedded door pocket are arranged in the wall of a mine door opening in a bilateral symmetry mode, door body accommodating grooves are formed in the first embedded door pocket and the second embedded door pocket respectively, the first slide rail and the second slide rail are arranged between the top surface of the door body accommodating groove of the first embedded door pocket and the top surface of the door body accommodating groove of the second embedded door pocket in a front-back symmetry mode, the first rail door is arranged in the door body accommodating groove of the first embedded door pocket through the first slide rail and can slide into the second embedded door pocket from the first embedded door pocket, the second rail door is arranged in the door body of the second embedded door pocket through the second slide rail and can slide into the first embedded door pocket from the second embedded door pocket, the right end of the first rail door is provided with a first ventilation opening, the left end of the second rail door is provided with a second ventilation opening, and the first ventilation opening and the second ventilation opening are matched to adjust the ventilation opening area of the air door; during the use, according to the demand, the first track door of remote control slides along first track, and control second track door slides along the second track, realizes the adjustment of vent area through the dislocation relation between first vent and the second vent.
Furthermore, the first track door is provided with the plug-in type slider on the face towards the second track door, the second track door is provided with the plug-in type spout on the face towards the first track door, and the setting of plug-in type slider and plug-in type spout makes and restricts mutually between first track door and the second track door, the structural strength of the body coupling of reinforcing.
Furthermore, be provided with the first scraper blade towards second track door on the first vent, be provided with the second scraper blade towards first track door on the second vent, the deposition on the plate body that first track door and second track door faced each other is scraped off through first scraper blade and second scraper blade, has not only ensured the smooth and easy degree of dislocation adjustment process between first track door and the second track door, has alleviateed the intensity of labour of the staff clearance door body moreover.
Furthermore, the lower edge of the first rail door is higher than the lower edge of the first embedded door pocket, the lower edge of the second rail door is higher than the lower edge of the second embedded door pocket, a dust collecting groove is arranged between the lower edges of the first embedded door pocket and the second embedded door pocket, the dust collecting groove is communicated with the door body accommodating grooves of the first embedded door pocket and the second embedded door pocket, the upper edge of the dust collecting groove is contacted with the lower edge of the first rail door and the lower edge of the second rail door, the dust collecting groove is communicated with an external dust collecting mechanism, the first embedded door pocket and the second embedded door pocket can scrape dust on the first rail door and the second rail door, and the dust is sucked and removed after falling through the external dust collecting mechanism communicated with the dust collecting groove; in order to facilitate the vehicle body to enter, the parts of the first embedded door pocket and the second embedded door pocket, which are lower than the first rail door and the second rail door, are arranged in the grooves which are formed in the mine ground in advance.
Furthermore, the position interval that is located first track door below in the door body storage tank of first embedded door pocket is provided with first strengthening rib, and the position interval that is located second track door below in the door body storage tank of the embedded door pocket of second is provided with the second strengthening rib, and first strengthening rib and second strengthening rib are used for strengthening the intensity of the embedded door pocket of first embedded door pocket and second.
Furthermore, the first ventilation opening and the second ventilation opening are both in triangular structures, the first ventilation opening and the second ventilation opening are combined to form a rhombic ventilation opening, and the first ventilation opening and the second ventilation opening form rhombic ventilation openings with different sizes in the process of dislocation adjustment of the first rail door and the second rail door.
Further, first track door and second track door all include the portal and set up in the outside door plant of portal, the portal is inside to be separated for a plurality of independent triangle-shaped frame construction through the reinforcing plate, and each independent triangle-shaped frame construction is inside all to be embedded to have the foaming cement door core, and a plurality of independent triangle-shaped frame constructions are favorable to improving a body overall structure's steadiness, and the setting mode of the embedded foaming cement door core of triangle-shaped frame construction is favorable to improving a body bulk strength.
Further, the foamed cement door core plate is fixedly bonded with the door plate outside the door frame through a composite adhesive, and the composite adhesive mainly comprises a hot melt adhesive, glass fiber unidirectional cloth fragments, carbon fiber resin film fragments and polyacrylonitrile-based carbon fiber cloth fragments according to a weight ratio of 10: (0.1-0.33): (1.5-3.3): (1-3) uniformly mixing, feeding the glass fiber unidirectional cloth, the carbon fiber resin film and the polyacrylonitrile-based carbon fiber cloth into a crusher to be crushed into pieces before the composite adhesive is prepared, heating and stirring the hot melt adhesive, adding the glass fiber unidirectional cloth pieces, the carbon fiber resin film pieces and the polyacrylonitrile-based carbon fiber cloth pieces while stirring, wherein the addition of the glass fiber unidirectional cloth pieces, the carbon fiber resin film pieces and the polyacrylonitrile-based carbon fiber cloth pieces is favorable for enhancing the bonding stability among the core plates of the foamed cement door and improving the strength of the whole door body.
Furthermore, the first slide rail and the second slide rail are both electric slide rails.
Furthermore, the first embedded door pocket and the second embedded door pocket are installed in the wall of the mine door opening through damping springs arranged at intervals, and normal slight deformation in the mine is effectively prevented from influencing the opening and closing of the door body.
The invention also discloses a remote control system of the air door, which comprises the air door.
The invention has the beneficial effects that: compared with the prior art, the remote control flexible air door has the following advantages: (1) the size of the ventilation opening is flexibly adjusted: according to requirements, the first rail door is remotely controlled to slide along the first rail, the second rail door is controlled to slide along the second rail, and the area of the ventilation opening is adjusted through the dislocation relation between the first ventilation opening and the second ventilation opening; (2) the structural strength of the door body is large: the interior of the portal frame is divided into a plurality of independent triangular frame structures through the reinforcing plates, a foam cement door core plate is embedded into each independent triangular frame structure, the stability of the integral structure of the door body is improved due to the plurality of independent triangular frame structures, and the integral strength of the door body is improved due to the arrangement mode of embedding the foam cement door core plates into the triangular frame structures; the door plate and the door core are fixedly connected through the adhesive, and the addition of the glass fiber unidirectional cloth fragments, the carbon fiber resin film fragments and the polyacrylonitrile-based carbon fiber cloth fragments in the composite adhesive is beneficial to enhancing the bonding stability among the core plates of the foamed cement door and improving the strength of the whole door body; (3) the first embedded door pocket and the second embedded door pocket are arranged in the wall of the mine door opening through damping springs arranged at intervals, so that the normal slight deformation in the mine is effectively prevented from influencing the opening and closing of a door body; (4) the accumulated dust on the mutually-facing plate body of the first rail door and the second rail door is scraped through the first scraper blade and the second scraper blade, the dust on the first rail door and the second rail door can be scraped through the embedded door pocket of the first embedded door pocket and the embedded door pocket of the second, and the dust is sucked through the external dust suction mechanism communicated with the dust collection groove after falling, so that the smooth degree of the dislocation adjustment process between the first rail door and the second rail door is ensured, and the labor intensity of workers for cleaning the door body is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first track door and a second track door according to the present invention;
FIG. 3 is a schematic view of another angle structure of FIG. 2 according to the present invention;
FIG. 4 is a front view of the internal structure of the present invention (the plug-in slider and the plug-in runner are not shown);
FIG. 5 is a front view of the internal structure of the present invention in another state (the plug-in slider and the plug-in runner are not shown);
FIG. 6 is a schematic view of the internal structure of the first rail door according to the present invention;
the door comprises a first embedded door pocket 1, a second embedded door pocket 2, a first sliding rail 3, a second sliding rail 4, a first rail door 5, a second rail door 6, a door body accommodating groove 7, a first ventilation opening 8, a second ventilation opening 9, a plug-in type sliding block 10, a plug-in type sliding groove 11, a first scraper 12, a second scraper 13, an ash collecting groove 14, a first reinforcing rib 15, a second reinforcing rib 16, a reinforcing plate 17 and a foamed cement door core plate 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
In the embodiment shown in fig. 1-6, a remote control flexible damper comprises a first embedded door pocket 1, a second embedded door pocket 2, a first slide rail 3, a second slide rail 4, a first rail door 5 and a second rail door 6, wherein the first embedded door pocket 1 and the second embedded door pocket 2 are arranged in the wall of a mine door opening in a bilateral symmetry manner, door body accommodating grooves 7 are formed in the first embedded door pocket 1 and the second embedded door pocket 2, the first slide rail 3 and the second slide rail 4 are arranged in a front-back symmetry manner between the top surface of the door body accommodating groove 7 of the first embedded door pocket 1 and the top surface of the door body accommodating groove 7 of the second embedded door pocket 2, the first rail door 5 is arranged in the door body accommodating groove 7 of the first embedded door pocket 1 through the first slide rail 3 and can slide into the second embedded door pocket 2 from the first embedded door pocket 1, the second rail door 6 is arranged in the door body accommodating groove 7 of the second embedded door pocket 2 through the second slide rail 4, the first embedded door pocket 1 can slide into the second embedded door pocket 2, a first ventilation opening 8 is formed in the right end of the first rail door 5, a second ventilation opening 9 is formed in the left end of the second rail door 6, and the first ventilation opening 8 and the second ventilation opening 9 are matched to adjust the ventilation opening area of the air door; during the use, according to the demand, first track door 5 of remote control slides along first track 3, and control second track door 6 slides along second track 4, realizes the adjustment of vent area through the dislocation relation between first vent 8 and the second vent 9.
In this embodiment, the surface of the first track door 5 facing the second track door 6 is provided with the plug-in type sliding block 10, the surface of the second track door 6 facing the first track door 5 is provided with the plug-in type sliding groove 11, and the arrangement of the plug-in type sliding block 10 and the plug-in type sliding groove 11 enables the first track door 5 and the second track door 6 to be restricted with each other, so as to enhance the structural strength of door connection.
In this embodiment, the first vent 8 is provided with the first scraper 12 facing the second track door 6, the second vent 9 is provided with the second scraper 13 facing the first track door 5, and accumulated dust on the mutually facing plate bodies of the first track door 5 and the second track door 6 is scraped by the first scraper 12 and the second scraper 13, so that the smoothness of the dislocation adjustment process between the first track door 5 and the second track door 6 is ensured, and the labor intensity of workers for cleaning the door body is reduced.
In this embodiment, the lower edge of the first rail door 5 is higher than the lower edge of the first embedded door pocket 1, the lower edge of the second rail door 6 is higher than the lower edge of the second embedded door pocket 2, a dust collecting groove 14 is installed between the lower edges of the first embedded door pocket 1 and the second embedded door pocket 2, the dust collecting groove 14 is communicated with the door body accommodating groove 7 of the first embedded door pocket 1 and the second embedded door pocket 2, the upper edge of the dust collecting groove 14 is in contact with the lower edge of the first rail door 5 and the lower edge of the second rail door 6, the dust collecting groove 14 is communicated with an external dust collecting mechanism, the first embedded door pocket 1 and the second embedded rail door pocket 2 can scrape off dust on the first rail door 5 and the second rail door 6, and the dust is sucked and removed by the external dust collecting mechanism communicated with the dust collecting groove 14 after falling; in order to facilitate the vehicle body entering, the parts of the first embedded door pocket 1 and the second embedded door pocket 2, which are lower than the first rail door 5 and the second rail door 6, are arranged in the grooves which are formed in the mine ground in advance.
In this embodiment, the first reinforcing ribs 15 are disposed at intervals below the first rail doors 5 in the door body accommodating grooves 7 of the first embedded door pocket 1, the second reinforcing ribs 16 are disposed at intervals below the second rail doors 6 in the door body accommodating grooves 7 of the second embedded door pocket 2, and the first reinforcing ribs 15 and the second reinforcing ribs 16 are used for enhancing the strength of the first embedded door pocket 1 and the second embedded door pocket 2.
In this embodiment, the first ventilation opening 8 and the second ventilation opening 9 are both triangular structures, the first ventilation opening 8 and the second ventilation opening 9 are combined to form a rhombic ventilation opening, and the first ventilation opening 8 and the second ventilation opening 9 form rhombic ventilation openings with different sizes in the process of dislocation adjustment of the first rail door 5 and the second rail door 6.
In this embodiment, first track door 5 and second track door 6 all include the portal and set up in the outside door plant of portal, the portal is inside to be separated for a plurality of independent triangle-shaped frame structures through reinforcing plate 17, and each independent triangle-shaped frame structure is inside all to be embedded to have a foaming cement door core 18, and a plurality of independent triangle-shaped frame structures are favorable to improving a body overall structure's steadiness, and the embedded foaming cement door core 18's of triangle-shaped frame structure mode of setting is favorable to improving a body bulk strength.
In this embodiment, the foamed cement door core plate 18 is fixedly bonded to the door panel outside the door frame by a composite adhesive, and the composite adhesive mainly comprises a hot melt adhesive, glass fiber unidirectional cloth fragments, carbon fiber resin film fragments and polyacrylonitrile-based carbon fiber cloth fragments in a weight ratio of 10: (0.1-0.33): (1.5-3.3): (1-3) uniformly mixing, feeding the glass fiber unidirectional cloth, the carbon fiber resin film and the polyacrylonitrile-based carbon fiber cloth into a crusher to be crushed into pieces before preparing the composite adhesive, heating and stirring by using hot melt adhesive, adding the glass fiber unidirectional cloth pieces, the carbon fiber resin film pieces and the polyacrylonitrile-based carbon fiber cloth pieces while stirring, wherein the addition of the glass fiber unidirectional cloth pieces, the carbon fiber resin film pieces and the polyacrylonitrile-based carbon fiber cloth pieces is favorable for enhancing the bonding stability among the foamed cement door core plates 18 and improving the strength of the whole door body.
In this embodiment, the first slide rail 3 and the second slide rail 4 are both electric slide rails.
In this embodiment, first embedded door pocket 1, the embedded door pocket 2 of second are installed in the wall in mine door opening through the damping spring that the interval set up, effectively avoid the normal slight deformation in the mine to influence opening and close of the door body.
The invention also discloses a remote control system for the air door, wherein the controlled air door is the air door.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. A remote control flexible air door is characterized in that: the mine door comprises a first embedded door pocket, a second embedded door pocket, a first sliding rail, a second sliding rail, a first rail door and a second rail door, wherein the first embedded door pocket and the second embedded door pocket are arranged in the wall of a mine door opening in a bilateral symmetry manner, door body accommodating grooves are respectively formed in the first embedded door pocket and the second embedded door pocket, a first sliding rail and a second sliding rail which are in front-back symmetry are arranged between the top surface of the door body accommodating groove of the first embedded door pocket and the top surface of the door body accommodating groove of the second embedded door pocket, the first rail door is arranged in the door body accommodating groove of the first embedded door pocket through the first sliding rail and can extend out of the first embedded door pocket, the second rail door is arranged in the door body accommodating groove of the second embedded door pocket through the second sliding rail and can extend out of the second embedded door pocket, a first vent is formed in the right end of the first rail door, a second ventilation opening is formed in the left end of the second rail door, and the first ventilation opening and the second ventilation opening are matched to adjust the ventilation opening area of the air door; the surface of the first rail door facing the second rail door is provided with a plug-in type sliding block, and the surface of the second rail door facing the first rail door is provided with a plug-in type sliding groove; the first rail door and the second rail door respectively comprise a door frame and a door plate arranged outside the door frame, the interior of the door frame is divided into a plurality of independent triangular frame structures through reinforcing plates, and a foam cement door core plate is embedded in each independent triangular frame structure; the foamed cement door core plate is fixedly bonded with the door plate outside the door frame through a composite adhesive, and the composite adhesive mainly comprises a hot melt adhesive, glass fiber unidirectional cloth fragments, carbon fiber resin film fragments and polyacrylonitrile-based carbon fiber cloth fragments according to the weight ratio of 10: (0.1-0.33): (1.5-3.3): (1-3) mixing uniformly.
2. A remotely controlled flexible damper as recited in claim 1, further comprising: and a first scraper facing the second rail door is arranged on the first ventilation opening, and a second scraper facing the first rail door is arranged on the second ventilation opening.
3. A remotely controlled flexible damper as recited in claim 1, further comprising: the lower edge of first track door is higher than the lower edge of first embedded door pocket, and the lower edge of second track door is higher than the lower edge of the embedded door pocket of second, installs the ash collecting groove between the lower edge of the embedded door pocket of first embedded door pocket and second, and the ash collecting groove communicates with the door body storage tank of the embedded door pocket of first embedded door pocket and second, and the lower edge contact of the upper edge of ash collecting groove and first track door and second track door, ash collecting groove and outside dust absorption mechanism intercommunication.
4. A remotely controlled flexible damper as recited in claim 3, further comprising: first reinforcing ribs are arranged in the position containing groove of the door body of the first embedded door pocket and below the first rail door at intervals, and second reinforcing ribs are arranged in the position containing groove of the door body of the second embedded door pocket and below the second rail door at intervals.
5. A remotely controlled flexible damper as recited in claim 1, further comprising: the first ventilation opening and the second ventilation opening are both in triangular structures, and the first ventilation opening and the second ventilation opening are combined to form a rhombic ventilation opening.
6. A remotely controlled flexible damper as recited in claim 1, further comprising: the first slide rail and the second slide rail are both electric slide rails.
7. A remote control system for a damper, comprising the remotely controlled flexible damper of any of claims 1-6.
CN202010343557.0A 2020-04-27 2020-04-27 Remote control flexible air door and remote control system for air door Active CN111502731B (en)

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CN202010343557.0A CN111502731B (en) 2020-04-27 2020-04-27 Remote control flexible air door and remote control system for air door

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Application Number Priority Date Filing Date Title
CN202010343557.0A CN111502731B (en) 2020-04-27 2020-04-27 Remote control flexible air door and remote control system for air door

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CN111502731B true CN111502731B (en) 2021-09-21

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61642Y2 (en) * 1982-03-31 1986-01-10
CN101418698A (en) * 2008-11-18 2009-04-29 昆明理工大学 Mine tunnel arc changing air door
CN202835712U (en) * 2012-10-19 2013-03-27 周雨阳 Adjustable type ventilation opening
CN205153920U (en) * 2015-09-25 2016-04-13 北京曼特门业有限公司 Prevent fire door with foaming cement door core
CN207437118U (en) * 2017-09-06 2018-06-01 泰安市一开电气有限公司 A kind of mine hydraulic air door Remote Automatic Control System
CN110714796A (en) * 2019-11-05 2020-01-21 辽宁工程技术大学 Guide rail type push-and-pull coal mine air door
CN110906357A (en) * 2019-12-10 2020-03-24 江苏徐工工程机械研究院有限公司 Air volume linear adjusting method and device for air blower

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61642Y2 (en) * 1982-03-31 1986-01-10
CN101418698A (en) * 2008-11-18 2009-04-29 昆明理工大学 Mine tunnel arc changing air door
CN202835712U (en) * 2012-10-19 2013-03-27 周雨阳 Adjustable type ventilation opening
CN205153920U (en) * 2015-09-25 2016-04-13 北京曼特门业有限公司 Prevent fire door with foaming cement door core
CN207437118U (en) * 2017-09-06 2018-06-01 泰安市一开电气有限公司 A kind of mine hydraulic air door Remote Automatic Control System
CN110714796A (en) * 2019-11-05 2020-01-21 辽宁工程技术大学 Guide rail type push-and-pull coal mine air door
CN110906357A (en) * 2019-12-10 2020-03-24 江苏徐工工程机械研究院有限公司 Air volume linear adjusting method and device for air blower

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Denomination of invention: Remote control flexible damper and damper remote control system

Effective date of registration: 20220107

Granted publication date: 20210921

Pledgee: China Construction Bank Corporation Linyi Luozhuang sub branch

Pledgor: LINYI HUI BAO LING IRON Co.,Ltd.

Registration number: Y2022980000200

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