CN111664119B - Dust fall fan blade suitable for coal mine well - Google Patents
Dust fall fan blade suitable for coal mine well Download PDFInfo
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- CN111664119B CN111664119B CN202010327745.4A CN202010327745A CN111664119B CN 111664119 B CN111664119 B CN 111664119B CN 202010327745 A CN202010327745 A CN 202010327745A CN 111664119 B CN111664119 B CN 111664119B
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- hub
- connecting plate
- coal mine
- dust
- fan blade
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- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000005495 investment casting Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003476 subbituminous coal Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a dust-settling fan suitable for a coal mine well, which comprises blades, a connecting plate and a hub, wherein the hub is of a thin-wall hollow structure, one end part of the hub is arranged in an open manner, a key groove is milled in the center of the hub, the key groove penetrates through the upper and lower parts of the hub integrally, the one end part of the hub is directly communicated with an external water pipe for supplying water, and a plurality of groups of positioning grooves are formed in the external annular surface where the hub is located; the connecting plate is the sheet steel plate structure, the tip at connecting plate place and the positioning groove looks adaptation at wheel hub place, the first rivet hole of multiunit has been seted up on the surface of connecting plate simultaneously, and make the first rivet hole of every group be isosceles triangle and set up and make the blade rotate through rotating wheel hub, the continuous export of passing through the keyway of water service pipe outwards flows water, the great emergence that causes the condition such as dust jam of the hole of flowing water, the blade is constantly rotating, the rivers that will flow are directly broken up, make with the purpose that levitate dust contact and subside in the air, reduce the maintenance cost of interior high pressure nozzle of tunnel.
Description
Technical Field
The invention belongs to the technical field of fan equipment, and particularly relates to a dust-settling fan blade suitable for a coal mine well.
Background
With the continuous development of the current science and technology, coal is used as an important industrial energy resource, is the widest fossil energy resource distributed in the world, and is mainly divided into four types, namely bituminous coal, anthracite, subbituminous coal, lignite and the like.
The coal mining roadway tunneling operation is essential in the coal mining process, and in the specific coal mining roadway tunneling operation, the coal mining roadway tunneling operation is guaranteed to be in place, so that the coal mining safety and success rate can be fundamentally guaranteed. However, a large amount of dust and the like are generated in the processes of coal mining, tunneling, transportation and the like, the dust has a great influence on the safety production of coal mines, is a main factor for inducing coal dust explosion accidents, threatening the health of operating personnel and bodies, causing occupational diseases and influencing the operation safety, and meanwhile, the dust directly influences the visibility of miners in the working process.
A series of corresponding effective dust fall measures and dustproof measures should be taken, all install high-pressure water smoke shower nozzle in most coal mining tunnels now, this kind of shower nozzle constantly sprays rivers in to the tunnel to reach the purpose of dust fall, the precision of this kind of high-pressure shower nozzle is higher, because dust density in the tunnel is very big, at long-term high pressure water spray in-process, very easily lead to the shower nozzle to block up, need periodic maintenance and change, the cost of changing simultaneously is higher.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a dust-settling fan blade suitable for a coal mine well, and solves the technical problem that dust settling in a coal mining roadway is difficult in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a dust fall fan suitable for a coal mine well comprises blades, a connecting plate and a hub, wherein the hub is of a thin-wall hollow structure, one end part of the hub is arranged in an open manner, a key groove is milled in the center of the hub, the key groove penetrates through the upper and lower parts of the hub, the one end part of the hub is directly communicated with an external water pipe for supplying water, and a plurality of groups of positioning grooves are formed in the external annular surface where the hub is located;
the connecting plate is of a sheet steel plate structure, one end part of the connecting plate is matched with the positioning groove where the wheel hub is located, and meanwhile, a plurality of groups of first rivet holes are formed in the surface of the connecting plate, and each group of first rivet holes are arranged in an isosceles triangle shape;
the blade consists of a blade area, a transition area and a connecting area, a plurality of groups of second rivet holes which are arranged in an isosceles triangle shape are arranged in the connecting area, the second rivet holes are matched with the first rivet holes of the connecting plate and fixed by penetrating through the first rivet holes and the second rivet holes through rivets, so that the outer peripheral edge where the blade and the hub are arranged is obliquely; the middle part of the transition area is of a cambered surface structure.
Furthermore, the locating slot is obliquely arranged along the outer annular surface where the hub is located.
Furthermore, the depth of the positioning groove formed in the outer annular surface where the hub is located is the same.
Furthermore, the end part of the connecting plate, which is matched with the positioning groove, is of an arc-shaped structure; and is matched with the peripheral annular surface of the hub where the positioning groove is located.
Furthermore, the arc-shaped structure at the end part of the connecting plate adopts a water jet cutting mode.
Furthermore, the hub is integrally formed by gravity casting or forging or low-pressure precision casting.
Furthermore, the first rivet hole and the second rivet hole are formed through a drilling or boring or hole milling machining mode.
The invention has the beneficial effects that:
1. according to the invention, the blades rotate by rotating the hub, the water pipe continuously flows outwards through the outlet of the key groove, the holes of the flowing water are large, dust blockage is not easy to occur, the blades continuously rotate, the flowing water is directly scattered, the aim of contacting and settling dust floating in the air is fulfilled, the maintenance cost of the high-pressure spray head in the roadway is reduced, and the dust settling efficiency is improved.
2. The blade fixing structure is fixed in the positioning groove in the periphery of the hub through the connecting plate, and then is fixed with the connecting plate through the blade, so that the second rivet hole in the blade is matched with the first rivet hole in the connecting plate, and then is connected and fixed through the external rivet, and the overall firmness of the blade is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall top view configuration of an embodiment of the present invention;
FIG. 3 is a schematic view of a hub construction of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection plate structure according to an embodiment of the invention;
FIG. 5 is a schematic view of a blade configuration according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be 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.
As shown in fig. 1 and 2, an embodiment of the invention provides a dust-settling fan suitable for a coal mine well, which includes a blade 1, a connecting plate 2 and a hub 4, as shown in fig. 3, the hub 4 is a thin-walled hollow structure, one end of the hub 4 is arranged in an open manner, a key groove 41 is milled in the center of the hub 4, the key groove 41 penetrates through the upper and lower parts of the hub 4, the one end of the key groove is directly communicated with an external water pipe for supplying water, and a plurality of groups of positioning grooves 42 are arranged on an external annular surface where the hub 4 is located; the positioning grooves 42 are obliquely arranged along the outer annular surface where the hub 4 is located, while the positioning grooves 42 arranged on the outer annular surface where the hub 4 is located have the same depth,
as shown in fig. 4, the connecting plate 2 is a sheet steel plate structure, one end of the connecting plate 2 is matched with the positioning groove 42 of the hub 4, and meanwhile, a plurality of groups of first rivet holes 21 are formed in the surface of the connecting plate 2, and each group of first rivet holes 21 are arranged in an isosceles triangle shape; the end part of the connecting plate 2, which is matched with the positioning groove 42, is of an arc-shaped structure, and the arc-shaped structure at the end part of the connecting plate 2 can be realized by adopting a water jet cutting mode; and is matched with the peripheral annular surface of the hub 4 where the positioning groove 42 is positioned, so that the connecting plate 2 can be fixed on the positioning groove 42 of the hub 4.
As shown in fig. 5, the blade 1 is composed of a blade area 11, a transition area 12 and an attachment area 13, a plurality of sets of second rivet holes 14 arranged in an isosceles triangle are arranged in the attachment area 12, so that the connection firmness of the blade can be improved during fixing, and meanwhile, the second rivet holes 14 are matched with the first rivet holes 21 of the attachment plate 2 and fixed by penetrating the first rivet holes 21 and the second rivet holes 14 through rivets, so that the peripheral edge where the blade 1 and the hub 4 are located is obliquely arranged; the middle part of the transition region 12 is of a cambered surface structure.
Further, the hub 4 is integrally formed by gravity casting, forging or low-pressure precision casting.
Further, the first rivet hole 21 and the second rivet hole 14 are formed by drilling, boring or milling.
During the use, keyway 41 is external to have the water service pipe, then fixes connecting plate 2 in the constant head tank 42 of wheel hub 4 periphery, and rethread blade 1 is fixed with connecting plate 2, makes the first rivet hole 21 looks adaptation on second rivet hole 14 on the blade 1 and the connecting plate 2, and the outside rivet of rethread is connected fixedly.
Rotating hub 4 makes blade 1 rotate, and the water service pipe constantly passes through the outside flowing water of export of keyway 41 simultaneously, and the great difficult emergence that causes the condition such as dust jam of hole of flowing water, blade 1 constantly rotates, directly breaks up the rivers that flow for with the purpose that the floated dust contact subsides in the air.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. The dust-settling fan blade suitable for the coal mine well comprises a blade (1), a connecting plate (2) and a hub (4), and is characterized in that the hub (4) is of a thin-wall hollow structure, one end of the hub is arranged in an open manner, a key groove (41) is milled in the center of the hub (4), the key groove (41) penetrates through the upper portion and the lower portion of the hub (4) to form a whole, the other end of the key groove is directly communicated with an external water pipe for water supply, and a plurality of groups of positioning grooves (42) are formed in the outer annular surface where the hub (4) is;
the connecting plate (2) is of a sheet steel plate structure, one end part where the connecting plate (2) is located is matched with the positioning groove (42) where the wheel hub (4) is located, meanwhile, a plurality of groups of first rivet holes (21) are formed in the surface of the connecting plate (2), and each group of first rivet holes (21) are arranged in an isosceles triangle shape;
the blade (1) consists of a blade area (11), a transition area (12) and an attachment area (13), a plurality of groups of second rivet holes (14) which are arranged in an isosceles triangle shape are arranged in the attachment area (12), the second rivet holes (14) are matched with the first rivet holes (21) of the connecting plate (2), and the blade (1) and the periphery where the hub (4) is located are obliquely arranged by the fact that the rivet penetrates through the first rivet holes (21) and the second rivet holes (14) to be fixed; the middle part of the transition region (12) is of a cambered surface structure.
2. The dust fall fan blade for the coal mine well is characterized in that the positioning groove (42) is obliquely arranged along the outer annular surface where the hub (4) is located.
3. The dust reduction fan blade suitable for the coal mine well is characterized in that the positioning grooves (42) formed in the outer annular surface where the hub (4) is located are the same in depth.
4. The dust fall fan blade suitable for the coal mine well is characterized in that the end part of the connecting plate (2) matched with the positioning groove (42) is of an arc-shaped structure; and is matched with the peripheral annular surface of the hub (4) where the positioning groove (42) is positioned.
5. The dust fall fan blade suitable for the coal mine well is characterized in that the arc-shaped structure at the end part of the connecting plate (2) adopts a water jet cutting mode.
6. The dust fall fan blade suitable for the coal mine well is characterized in that the hub (4) is integrally formed by gravity casting or forging or low-pressure precision casting.
7. The dust fall fan blade suitable for the coal mine well is characterized in that the first rivet hole (21) and the second rivet hole (14) are formed by drilling, boring or milling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230863 | 2020-03-27 | ||
| CN2020102308633 | 2020-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111664119A CN111664119A (en) | 2020-09-15 |
| CN111664119B true CN111664119B (en) | 2021-08-10 |
Family
ID=72382831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010327745.4A Active CN111664119B (en) | 2020-03-27 | 2020-04-23 | Dust fall fan blade suitable for coal mine well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664119B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253490A (en) * | 1979-03-26 | 1981-03-03 | Sun Petroleum Products Company | Vortex eliminator |
| CN203756595U (en) * | 2013-12-18 | 2014-08-06 | 江苏大学 | Plant frost-prevention fan impeller |
| CN105134282A (en) * | 2015-08-31 | 2015-12-09 | 无锡华虹信息科技有限公司 | Wind-water atomizing aspirating device for mines |
| CN110541840A (en) * | 2019-10-08 | 2019-12-06 | 安徽理工大学 | Wet-type dust fall fan wheel |
-
2020
- 2020-04-23 CN CN202010327745.4A patent/CN111664119B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253490A (en) * | 1979-03-26 | 1981-03-03 | Sun Petroleum Products Company | Vortex eliminator |
| CN203756595U (en) * | 2013-12-18 | 2014-08-06 | 江苏大学 | Plant frost-prevention fan impeller |
| CN105134282A (en) * | 2015-08-31 | 2015-12-09 | 无锡华虹信息科技有限公司 | Wind-water atomizing aspirating device for mines |
| CN110541840A (en) * | 2019-10-08 | 2019-12-06 | 安徽理工大学 | Wet-type dust fall fan wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111664119A (en) | 2020-09-15 |
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