CN110043303B - Movable dust removal fan is dug to rock gangway fully - Google Patents
Movable dust removal fan is dug to rock gangway fully Download PDFInfo
- Publication number
- CN110043303B CN110043303B CN201910231420.3A CN201910231420A CN110043303B CN 110043303 B CN110043303 B CN 110043303B CN 201910231420 A CN201910231420 A CN 201910231420A CN 110043303 B CN110043303 B CN 110043303B
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- China
- Prior art keywords
- dust removal
- shaped plate
- rack
- connecting pipe
- removal fan
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
Abstract
The invention discloses a movable dust removal fan for fully mechanized excavation of a rock roadway, which comprises a support frame, a lifting ring, a lifting lug, a single-rail lifting beam, a roller, a main body of the dust removal fan, a first U-shaped plate, a pull rod, a first spring, a magnetic ring, a first rack, a second rack, a connecting pipe, a second U-shaped plate, a storage barrel, a moving rod, a second spring, a magnetic block, a semi-conical hole, a conical block and a bolt. When the dust removal fan main body needs to be fixed, a user pushes the pull rod, the pull rod moves to drive the first rack to move and separate from the magnetic ring, the first rack is meshed with the second rack under the action of first spring elasticity, the position of the dust removal fan main body is further fixed, the bolt rotates to drive the conical block to move, the conical block moves into the semi-conical hole, the conical block is further enabled to extrude the two magnetic blocks, the two magnetic blocks are separated, the magnetic blocks are moved out of the connecting pipe to enter the containing barrel under the action of second spring elasticity, the U-shaped plate II is further separated from the connecting pipe, and the dust removal fan main body is convenient to take down.
Description
Technical Field
The invention relates to a movable dust removal fan, in particular to a movable dust removal fan for rock roadway comprehensive excavation, and belongs to the technical field of dust removal fans.
Background
The dust removal fan is used for improving the air of a rock drift and improving the air convection, and a long-pressure short-suction ventilation dust removal system is adopted, so that the on-site purification of dust can be effectively realized, and the special type has higher dust removal efficiency on respiratory dust.
The movable dust exhausting fan who uses at present has certain defect, lacks positioning mechanism, causes the dust exhausting fan main part in the use, causes the gyro wheel to roll on single track hanging beam easily, has reduced the stability that the dust exhausting fan main part used, lacks the convenient dismouting mechanism of dust exhausting fan main part simultaneously, causes inconvenient dust exhausting fan main part of pulling down, and is inconvenient to the dust exhausting fan main part of maintaining. Therefore, the movable dust removal fan for the fully mechanized excavation of the rock roadway is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide a movable dust removal fan for fully mechanized excavation of a rock roadway.
The invention realizes the purpose through the following technical scheme, and the movable dust removal fan for the fully mechanized excavation of the rock roadway is characterized in that: the dust removal fan comprises a support frame, a lifting ring, a lifting lug, a monorail hanging beam, idler wheels, a dust removal fan main body, a positioning mechanism and a dismounting mechanism, wherein the lifting ring is installed on the support frame, the lifting lug is installed on the annular side surface of the lifting ring, the lifting lug is fixedly installed at the top end of the monorail hanging beam, two idler wheels are symmetrically installed at two ends of the monorail hanging beam, and the dust removal fan main body is installed on the lower sides of the idler wheels;
the positioning mechanism comprises a first U-shaped plate, pull rods, a first spring, magnetic rings, a first rack and a second rack, the roller is connected with the first U-shaped plate through a connecting rod, two pull rods are symmetrically installed at two ends of the first U-shaped plate, one end of each pull rod extends to the inner side of the first U-shaped plate, the first rack is installed at one end of each pull rod, the first spring is fixed at one end of each first rack, one end of each first spring is fixed on the first U-shaped plate, the two magnetic rings are symmetrically installed at the inner end of each first U-shaped plate, the first springs are installed on the annular side surface of each pull rod, the two second racks are symmetrically installed at two ends of the monorail hanging beam, and the second racks are attached to the first racks;
the disassembling and assembling mechanism comprises a connecting pipe, a U-shaped plate II, a containing barrel, a moving rod, a second spring, a magnetic block, a semi-conical hole, a conical block and a bolt, a connecting pipe is arranged at the bottom end of the first U-shaped plate, one end of the connecting pipe is arranged in the second U-shaped plate, the U-shaped plate II is fixedly arranged on the annular side surface of the main body of the dust removal fan, two containing cylinders are symmetrically arranged at two ends of the U-shaped plate II, one end of the containing barrel is provided with a moving rod, one end of the moving rod extends into the containing barrel and is connected with a magnetic block, the magnetic block is arranged in a connecting pipe, one end of the connecting pipe is provided with a second spring, one end of the second spring is attached to the inner wall of the containing barrel, one end of the magnetic block is provided with a semi-conical hole, a conical block is arranged in the semi-conical hole, a bolt is arranged on the annular side surface of the connecting pipe, and one end of the bolt penetrates through the connecting pipe to be connected with the conical block;
during the use, the bolt is twisted, and the bolt rotates and drives the conical block and remove, and the conical block removes and gets into inside half taper hole, and then makes the conical block extrude two magnetic paths for two magnetic path separation, under the effect of second spring elasticity, inside the magnetic path shifted out from the connecting pipe is inside to get into the storage cylinder, and then made U template two and connecting pipe separation, conveniently take off dust exhausting fan main part.
Preferably, the annular side surface of the connecting pipe is provided with a threaded hole, and a bolt is installed in the threaded hole.
Preferably, the second rack is fixed on the monorail hanging beam through a screw, and the second rack is in gear engagement with the first rack.
Preferably, the moving rod is connected with the magnetic block through a first screw, and the U-shaped plate II is fixedly installed on the annular side face of the dust removal fan main body through a second screw.
Preferably, two circular grooves are symmetrically formed in the inner end of the first U-shaped plate, magnetic rings are fixedly installed in the circular grooves, and one end of the first spring is attached to the inner wall of each circular groove.
Preferably, a bearing is arranged on the annular side surface of the connecting pipe, and the annular side surface of the bearing is fixedly arranged inside the roller.
The invention has the beneficial effects that:
1. the movable dust removal fan has the advantages that when the main body of the dust removal fan needs to be fixed, a user pushes the pull rod, the pull rod moves to drive the first rack to move and separate from the magnetic ring, the first rack is meshed with the second rack under the action of the elastic force of the first spring, and the position of the main body of the dust removal fan is fixed, so that the defect that the movable dust removal fan used at present is certain, a positioning mechanism is lacked, the main body of the dust removal fan is easy to cause the roller to roll on the monorail hanging beam in the use process, and the defect that the use stability of the main body of the dust removal fan is reduced;
2. the second strip beneficial effect, the bolt rotates and drives the conical block and remove, the conical block removes and gets into inside half taper hole, and then make the conical block extrude two magnetic paths, make two magnetic path separation, under the effect of second spring force, the magnetic path shifts out from the connecting pipe is inside to get into the storage cylinder, and then make U template two and connecting pipe separation, the dust exhausting fan main part of conveniently taking off, the convenient dismouting mechanism that lacks the dust exhausting fan main part has been solved, cause inconvenient dust exhausting fan main part of dismantling, inconvenient problem of maintaining the dust exhausting fan main part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a positioning mechanism according to the present invention;
FIG. 3 is an enlarged view of a portion of the present invention at A;
FIG. 4 is a schematic view of the mounting and dismounting mechanism of the present invention;
fig. 5 is a schematic view of a bolt mounting structure of the present invention.
In the figure: 1. the dust removal fan comprises a support frame, 2, a lifting ring, 3, lifting lugs, 4, a single-rail lifting beam, 5, rollers, 6, a dust removal fan main body, 7, a first U-shaped plate, 8, a pull rod, 9, a first spring, 10, a magnetic ring, 11, a first rack, 12, a second rack, 13, a connecting pipe, 14, a second U-shaped plate, 15, a storage barrel, 16, a moving rod, 17, a second spring, 18, a magnetic block, 19, a semi-conical hole, 20, a conical block, 21 and a bolt.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-5, the movable dust removal fan for rock roadway comprehensive excavation comprises a support frame 1, a lifting ring 2, lifting lugs 3, a monorail hanging beam 4, rollers 5, a dust removal fan main body 6, a positioning mechanism and a dismounting mechanism, wherein the lifting ring 2 is installed on the support frame 1, the lifting lugs 3 are installed on the annular side surfaces of the lifting rings 2, the lifting lugs 3 are fixedly installed at the top end of the monorail hanging beam 4, two rollers 5 are symmetrically installed at two ends of the monorail hanging beam 4, and the dust removal fan main body 6 is installed on the lower sides of the rollers 5;
the positioning mechanism comprises a first U-shaped plate 7, a pull rod 8, a first spring 9, magnetic rings 10, a first rack 11 and a second rack 12, the roller 5 is connected with the first U-shaped plate 7 through a connecting rod, two pull rods 8 are symmetrically installed at two ends of the first U-shaped plate 7, one end of each pull rod 8 extends to the inner side of the first U-shaped plate 7, the first rack 11 is installed at one end of each pull rod 8, the first spring 9 is fixed at one end of each first rack 11, one end of each first spring 9 is fixed on the first U-shaped plate 7, the two magnetic rings 10 are symmetrically installed at the inner end of the first U-shaped plate 7, the first spring 9 is installed on the annular side surface of each pull rod 8, the two second racks 12 are symmetrically installed at two ends of the monorail hanging beam 4, the second racks 12 are attached to the first racks 11, when the dedusting fan main body 6 needs to be moved, a user pulls the pull rod 8, the pull rod 8 moves to drive the, the first rack 11 moves to be separated from the second rack 12, the first rack 11 moves to compress the first spring 9, the first spring 9 is compressed to generate elastic force, the first rack 11 moves to be attached to the magnetic ring 10, and the adsorption force of the magnetic ring 10 on the first rack 11 is greater than the elastic force of the first spring 9, so that the first rack 11 and the second rack 12 are kept in a separated state, the dust removal fan main body 6 is convenient to move, when the dust removal fan main body 6 needs to be fixed, a user pushes the pull rod 8, the pull rod 8 moves to drive the first rack 11 to move to be separated from the magnetic ring 10, and under the action of the elastic force of the first spring 9, the first rack 11 is meshed with the second rack 12, and the position of the dust removal fan main body 6 is further fixed;
the dismouting mechanism includes connecting pipe 13, two 14, containing barrels 15 of U template, mobile rod 16, second spring 17, magnetic path 18, half cone hole 19, toper piece 20 and bolt 21, 7 bottom installation connecting pipes 13 of first U template, connecting pipe 13 one end is placed inside two 14U templates, two 14 fixed mounting of U template are on dust exhausting fan main part 6 annular side, two containing barrels 15 of U template two 14 both ends symmetry installation, containing barrel 15 one end installation mobile rod 16, mobile rod 16 one end extends to containing barrel 15 inside and is connected with magnetic path 18, magnetic path 18 is installed inside connecting pipe 13, connecting pipe 13 department sets up installation second spring 17, and second spring 17 one end and containing barrel 15 inner wall are laminated mutually, half cone hole 19 is seted up to magnetic path 18 one end, half cone hole 19 internally mounted toper piece 20, mounting bolt 21 on the connecting pipe 13 annular side, and bolt 21 one end passes connecting pipe 13 and is connected with conical block 20, user screw bolt 21, bolt 21 rotates and drives conical block 20 and remove, conical block 20 removes and gets into inside half taper hole 19, and then make conical block 20 extrude two magnetic paths 18, make two magnetic paths 18 separation, under the effect of second spring 17 elasticity, magnetic path 18 shifts out from connecting pipe 13 inside and gets into containing cylinder 15 inside, and then make U type board two 14 and connecting pipe 13 separate, conveniently take off dust exhausting fan main part 6.
The annular side surface of the connecting pipe 13 is provided with a threaded hole, and a bolt 21 is arranged in the threaded hole, so that the bolt 21 is convenient to install; the second rack 12 is fixed on the monorail hanging beam 4 through screws, and the second rack 12 is in gear engagement with the first rack 11, so that the second rack 12 is convenient to mount and the dust removal fan main body 6 is convenient to position; the movable rod 16 is connected with the magnetic block 18 through a first screw, the U-shaped plate II 14 is fixedly arranged on the annular side face of the dust removal fan main body 6 through a second screw, the movable rod 16 is conveniently connected with the magnetic block 18 through the design, and the U-shaped plate II 14 is conveniently and fixedly arranged on the dust removal fan main body 6; two circular grooves are symmetrically formed in the inner end of the first U-shaped plate 7, magnetic rings 10 are fixedly installed in the circular grooves, one end of the first spring 9 is attached to the inner walls of the circular grooves, and the design is convenient for installation of the magnetic rings 10; the annular side surface of the connecting pipe 13 is provided with a bearing, and the annular side surface of the bearing is fixedly arranged inside the roller 5, so that the design is convenient for the rotation of the roller 5.
When the dust removal fan main body 6 is required to be fixed, a user pushes the pull rod 8, the pull rod 8 moves to drive the first rack 11 to move and separate from the magnetic ring 10, the first rack 11 moves to compress the first spring 9, the first spring 9 is compressed to generate elastic force, the first rack 11 moves to be attached to the magnetic ring 10, and the adsorption force of the magnetic ring 10 on the first rack 11 is larger than the elastic force of the first spring 9, so that the first rack 11 and the second rack 12 are kept in a separated state, the dust removal fan main body 6 is convenient to move.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (6)
1. The utility model provides a movable dust exhausting fan is dug to rock gangway is combined which characterized in that: the dust removal fan comprises a support frame, a lifting ring, a lifting lug, a monorail hanging beam, idler wheels, a dust removal fan main body, a positioning mechanism and a dismounting mechanism, wherein the lifting ring is installed on the support frame, the lifting lug is installed on the annular side surface of the lifting ring, the lifting lug is fixedly installed at the top end of the monorail hanging beam, two idler wheels are symmetrically installed at two ends of the monorail hanging beam, and the dust removal fan main body is installed on the lower sides of the idler wheels;
the positioning mechanism comprises a first U-shaped plate, pull rods, a first spring, magnetic rings, a first rack and a second rack, the roller is connected with the first U-shaped plate through a connecting rod, two pull rods are symmetrically installed at two ends of the first U-shaped plate, one end of each pull rod extends to the inner side of the first U-shaped plate, the first rack is installed at one end of each pull rod, the first spring is fixed at one end of each first rack, one end of each first spring is fixed on the first U-shaped plate, the two magnetic rings are symmetrically installed at the inner end of each first U-shaped plate, the first springs are installed on the annular side surface of each pull rod, the two second racks are symmetrically installed at two ends of the monorail hanging beam, and the second racks are attached to the first racks;
the disassembling and assembling mechanism comprises a connecting pipe, a U-shaped plate II, a containing barrel, a moving rod, a second spring, a magnetic block, a semi-conical hole, a conical block and a bolt, a connecting pipe is arranged at the bottom end of the first U-shaped plate, one end of the connecting pipe is arranged in the second U-shaped plate, the U-shaped plate II is fixedly arranged on the annular side surface of the main body of the dust removal fan, two containing cylinders are symmetrically arranged at two ends of the U-shaped plate II, one end of the containing barrel is provided with a moving rod, one end of the moving rod extends into the containing barrel and is connected with a magnetic block, the magnetic block is arranged in a connecting pipe, one end of the connecting pipe is provided with a second spring, one end of the second spring is attached to the inner wall of the containing barrel, one end of the magnetic block is provided with a semi-conical hole, a conical block is arranged in the semi-conical hole, a bolt is arranged on the annular side surface of the connecting pipe, and one end of the bolt penetrates through the connecting pipe to be connected with the conical block;
during the use, the bolt is twisted, and the bolt rotates and drives the conical block and remove, and the conical block removes and gets into inside half taper hole, and then makes the conical block extrude two magnetic paths for two magnetic path separation, under the effect of second spring elasticity, inside the magnetic path shifted out from the connecting pipe is inside to get into the storage cylinder, and then made U template two and connecting pipe separation, conveniently take off dust exhausting fan main part.
2. The rock roadway fully mechanized excavation movable dust removal fan of claim 1, characterized in that: the annular side face of the connecting pipe is provided with a threaded hole, and a bolt is installed in the threaded hole.
3. The rock roadway fully mechanized excavation movable dust removal fan of claim 1, characterized in that: the second rack is fixed on the monorail hanging beam through a screw, and the second rack is in gear engagement with the first rack.
4. The rock roadway fully mechanized excavation movable dust removal fan of claim 1, characterized in that: the movable rod is connected with the magnetic block through a first screw, and the U-shaped plate II is fixedly installed on the annular side face of the dust removal fan main body through a second screw.
5. The rock roadway fully mechanized excavation movable dust removal fan of claim 1, characterized in that: two circular grooves are symmetrically formed in the inner end of the first U-shaped plate, magnetic rings are fixedly installed in the circular grooves, and one end of the first spring is attached to the inner wall of each circular groove.
6. The rock roadway fully mechanized excavation movable dust removal fan of claim 1, characterized in that: and a bearing is arranged on the annular side surface of the connecting pipe, and the annular side surface of the bearing is fixedly arranged in the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231420.3A CN110043303B (en) | 2019-03-26 | 2019-03-26 | Movable dust removal fan is dug to rock gangway fully |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231420.3A CN110043303B (en) | 2019-03-26 | 2019-03-26 | Movable dust removal fan is dug to rock gangway fully |
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| Publication Number | Publication Date |
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| CN110043303A CN110043303A (en) | 2019-07-23 |
| CN110043303B true CN110043303B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910231420.3A Active CN110043303B (en) | 2019-03-26 | 2019-03-26 | Movable dust removal fan is dug to rock gangway fully |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622798B (en) * | 2020-06-11 | 2021-07-20 | 安徽海瀚物联科技有限公司 | Intelligent centralized monitoring system for mine underground cooling |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007278022A (en) * | 2006-04-11 | 2007-10-25 | Sakamoto Shokai:Kk | Air duct device and ventilator in tunnel gallery |
| CN203335111U (en) * | 2013-07-07 | 2013-12-11 | 黑龙江龙煤矿业工程设计研究院有限公司 | Disrotatory main ventilator self-control changeover device |
| JP2014077235A (en) * | 2012-10-09 | 2014-05-01 | Mcm:Kk | Ventilation device with extensible air pipe |
| EP2826953A2 (en) * | 2013-07-15 | 2015-01-21 | Martin Kuhblank | Method and device for fighting fires by smoke extraction |
| CN205558958U (en) * | 2016-05-09 | 2016-09-07 | 成都职业技术学院 | Hoist device of tunnel efflux fan |
| CN205713583U (en) * | 2016-04-14 | 2016-11-23 | 赵海潮 | A kind of auto-locking suspension recreation facility keeper |
| CN106761078A (en) * | 2017-01-18 | 2017-05-31 | 苏州缔绿电子科技有限公司 | A kind of curtain wall window elasticity magnetic locking device |
| CN106930617A (en) * | 2017-03-24 | 2017-07-07 | 王萍 | A kind of electromagnet interlocking door lock mechanism |
| CN206889007U (en) * | 2017-06-21 | 2018-01-16 | 中国神华能源股份有限公司 | Drum device and ventilating system |
| CN108087771A (en) * | 2017-12-15 | 2018-05-29 | 黄山科太环保科技有限公司 | A kind of double-locking LED lamp |
| CN108180032A (en) * | 2017-12-15 | 2018-06-19 | 中国矿业大学 | A kind of tunnelling face movable dry-type dust removal by filtration system |
| CN208330434U (en) * | 2018-05-03 | 2019-01-04 | 赤峰山金红岭有色矿业有限责任公司 | Underground air duct driving mechanism |
| CN208619149U (en) * | 2018-07-19 | 2019-03-19 | 淮南矿业(集团)有限责任公司 | A kind of dust pelletizing system in rock gangway fully-mechanized digging machine head Rapid moving |
-
2019
- 2019-03-26 CN CN201910231420.3A patent/CN110043303B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007278022A (en) * | 2006-04-11 | 2007-10-25 | Sakamoto Shokai:Kk | Air duct device and ventilator in tunnel gallery |
| JP2014077235A (en) * | 2012-10-09 | 2014-05-01 | Mcm:Kk | Ventilation device with extensible air pipe |
| CN203335111U (en) * | 2013-07-07 | 2013-12-11 | 黑龙江龙煤矿业工程设计研究院有限公司 | Disrotatory main ventilator self-control changeover device |
| EP2826953A2 (en) * | 2013-07-15 | 2015-01-21 | Martin Kuhblank | Method and device for fighting fires by smoke extraction |
| CN205713583U (en) * | 2016-04-14 | 2016-11-23 | 赵海潮 | A kind of auto-locking suspension recreation facility keeper |
| CN205558958U (en) * | 2016-05-09 | 2016-09-07 | 成都职业技术学院 | Hoist device of tunnel efflux fan |
| CN106761078A (en) * | 2017-01-18 | 2017-05-31 | 苏州缔绿电子科技有限公司 | A kind of curtain wall window elasticity magnetic locking device |
| CN106930617A (en) * | 2017-03-24 | 2017-07-07 | 王萍 | A kind of electromagnet interlocking door lock mechanism |
| CN206889007U (en) * | 2017-06-21 | 2018-01-16 | 中国神华能源股份有限公司 | Drum device and ventilating system |
| CN108087771A (en) * | 2017-12-15 | 2018-05-29 | 黄山科太环保科技有限公司 | A kind of double-locking LED lamp |
| CN108180032A (en) * | 2017-12-15 | 2018-06-19 | 中国矿业大学 | A kind of tunnelling face movable dry-type dust removal by filtration system |
| CN208330434U (en) * | 2018-05-03 | 2019-01-04 | 赤峰山金红岭有色矿业有限责任公司 | Underground air duct driving mechanism |
| CN208619149U (en) * | 2018-07-19 | 2019-03-19 | 淮南矿业(集团)有限责任公司 | A kind of dust pelletizing system in rock gangway fully-mechanized digging machine head Rapid moving |
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| CN110043303A (en) | 2019-07-23 |
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