CN111764949A - Tunnel ventilation equipment with dust removal function - Google Patents
Tunnel ventilation equipment with dust removal function Download PDFInfo
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- CN111764949A CN111764949A CN202010601376.3A CN202010601376A CN111764949A CN 111764949 A CN111764949 A CN 111764949A CN 202010601376 A CN202010601376 A CN 202010601376A CN 111764949 A CN111764949 A CN 111764949A
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- fixed pipe
- pipe
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- transmission shaft
- water
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- 239000000428 dust Substances 0.000 title claims abstract description 50
- 238000009423 ventilation Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 241000883990 Flabellum Species 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
- 238000007789 sealing Methods 0.000 claims description 66
- 230000008093 supporting effect Effects 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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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
- 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
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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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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)
- Cleaning In General (AREA)
Abstract
The invention relates to a tunnel ventilation device with a dust removal function, which comprises a fixed pipe, a protective net, fan blades, a transmission shaft and a bearing, the fixed pipe is horizontally arranged, the protective net is arranged at one end of the fixed pipe, the fan blades, the transmission shaft and the bearing are all positioned in the fixed pipe, the transmission shaft and the fixed pipe are coaxially arranged, the fan blades are arranged at one end of the transmission shaft, the inner ring of the bearing is arranged on the transmission shaft, the outer ring of the bearing is fixedly connected with the inner wall of the fixed pipe, a driving device is arranged in the fixed pipe, the driving device is in transmission connection with one end of the transmission shaft far away from the fan blades, the fixed pipe is provided with a cleaning mechanism and a dust removing mechanism, this tunnel ventilation equipment with dust removal function has realized the function of clean protection network through clean mechanism, prevents that the protection network from blockking up, moreover, has still realized the function of cleaing away the dust on the flabellum through dust removal mechanism.
Description
Technical Field
The invention relates to the field of fans, in particular to tunnel ventilation equipment with a dust removal function.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The fan is a short-term habit for gas compression and gas conveying machinery in China, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and air induction of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.
The current fan that is used for in the tunnel is in the use, inside getting into the fan in order to reduce impurity, all can be at the air intake installation protection network of fan, nevertheless long-term back of using, can produce more impurity on the anti-skidding line net, easily make the protection network block up, the practicality has been reduced, moreover, the fan is after long-term the use, can produce a large amount of dusts on the blade, and the dust can influence the inside transmission shaft pivoted equilibrium of fan, aggravate the wearing and tearing of its inside first bearing, the practicality has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the tunnel ventilation equipment with the dust removal function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a tunnel ventilation device with a dust removal function comprises a fixed pipe, a protective screen, fan blades, a transmission shaft and a bearing, wherein the fixed pipe is horizontally arranged, the protective screen is arranged at one end of the fixed pipe, the fan blades, the transmission shaft and the bearing are all positioned in the fixed pipe, the transmission shaft and the fixed pipe are coaxially arranged, the fan blades are arranged at one end of the transmission shaft, an inner ring of the bearing is arranged on the transmission shaft, an outer ring of the bearing is fixedly connected with the inner wall of the fixed pipe, a driving device is arranged in the fixed pipe and is in transmission connection with one end, far away from the fan blades, of the transmission shaft, and a cleaning mechanism and a dust removal mechanism are arranged on;
the cleaning mechanism comprises a fixing ring, a sealing disc, two cleaning components and two moving components, wherein the fixing ring and the sealing disc are coaxially arranged with the fixing pipe, the fixing ring is arranged in the fixing pipe and positioned between the fan blades and the bearing, the transmission shaft penetrates through the fixing ring, the transmission shaft is connected with the fixed ring in a sliding and sealing way, the fixed ring is connected with the inner wall of the fixed tube in a sealing and fixing way, the sealing disc is positioned on one side of the fixed pipe far away from the protective net, a gap is arranged between the sealing disc and the fixed pipe, the diameter of the sealing disc is larger than the outer diameter of the fixing tube, the fixing ring is provided with two through holes which are circumferentially and uniformly distributed by taking the axis of the transmission shaft as the center, the moving assemblies and the cleaning assemblies are in one-to-one correspondence with the through holes, the moving assemblies are arranged on the outer wall of the fixed pipe, and the cleaning assemblies are arranged in the fixed pipe and positioned between the fixed ring and the sealing disc;
the movable assembly comprises an electromagnet, a supporting block, a movable rod, a spring and a connecting block, the movable rod is parallel to the fixed pipe, one end of the movable rod is fixed to one side, close to the fixed pipe, of the sealing disc, the electromagnet is fixed to the other end of the movable rod, the supporting block is fixed to the fixed pipe and located between the electromagnet and the sealing disc, a connecting hole is formed in the supporting block, the movable rod penetrates through the connecting hole and is in sliding connection with the inner wall of the connecting hole, the spring is located between the supporting block and the sealing disc, the supporting block is connected with the sealing disc through the spring, the connecting block is located on one side, far away from the sealing disc, of the electromagnet and fixed to the fixed pipe, the connecting block is made of iron, and the distance;
the cleaning assembly comprises a connecting rod, a moving disc and a connecting pipe, the connecting pipe is parallel to the fixed pipe, the connecting pipe penetrates through the through hole, the connecting rod slides and is in sealing connection with the inner wall of the through hole, the moving disc and the connecting rod are coaxially arranged with the connecting pipe, a gap is formed between the moving disc and the connecting pipe, the moving disc is positioned on one side, close to the sealing disc, of the connecting pipe, the diameter of the moving disc is equal to the inner diameter of the connecting pipe, the distance between the moving disc and the middle end of the connecting pipe is equal to the distance between the sealing disc and the fixed pipe, the connecting rod is positioned between the sealing disc and the moving disc;
dust removal mechanism includes basin, water pipe, water pump, filter screen, relief valve, inlet opening and apopore, the shape of basin is the cuboid, the top of basin is equipped with the opening, be equipped with the clear water in the basin, the basin be located fixed pipe the below and with fixed pipe fixed connection, the apopore sets up the one side of keeping away from the basin at fixed pipe, the relief valve is installed in the outlet opening, the relief valve is for solid fixed ring and sealed dish between, the inlet opening sets up the one side that is close to the basin at fixed pipe, the one end of water pipe is inserted in the inlet opening, the other end setting of water pipe is in the clear water, the water pipe is sealed and fixed connection with the inner wall of inlet opening, the water pump is fixed on fixed pipe, the water pipe is installed on the water pump, the filter screen is installed in.
Preferably, in order to promote the clean effect of protection network, be equipped with the bar groove on the fixed pipe, the bar groove is located one side of keeping away from the basin of fixed pipe and is close to the one end that is equipped with the protection network of fixed pipe.
Preferably, the supporting block is made of rubber for realizing buffering and vibration reduction.
Preferably, in order to realize the rotation of the transmission shaft, the driving device comprises a driving motor, a driving wheel, a driven wheel and a transmission belt, the driven wheel is installed on the transmission shaft, the driving motor is fixed on the inner wall of the fixed pipe and is in transmission connection with the driving wheel, and the driving wheel and the driven wheel are respectively arranged at two ends of the inner side of the transmission belt.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, in order to prevent the driving motor from being affected with damp, an auxiliary ring is arranged in the fixed pipe, the auxiliary ring and the fixed pipe are coaxially arranged and are located on one side, close to the protective net, of the driving motor, and the outer wall of the auxiliary ring is sealed and fixedly connected with the inner wall of the fixed pipe.
Preferably, in order to facilitate the installation of the moving rod, both ends of the moving rod are provided with chamfers.
Preferably, the moving rod is coated with a lubricating oil in order to reduce friction between the moving rod and the inner wall of the coupling hole.
Preferably, in order to reduce a gap between the inner wall of the connection pipe and the moving plate, the inner wall of the connection pipe is coated with a sealing grease.
Preferably, in order to prolong the service life of the water tank, the water tank is provided with an anti-corrosion zinc coating.
The invention has the advantages that the tunnel ventilation equipment with the dust removal function realizes the function of cleaning the protective net through the cleaning mechanism, prevents the protective net from being blocked, and compared with the prior cleaning mechanism, the cleaning mechanism can also lead the fan blades to be in a sealed state, is convenient for removing dust of the fan blades through clear water, the integrated linkage mechanism is realized with the dust removing mechanism, the practicability is stronger, and moreover, the function of removing dust on the fan blades is realized through the dust removing mechanism, the dust removing mechanism can also improve the cleaning effect of the protective net by leading clean water to flow onto the protective net, moreover, the air discharged from the fixed pipe is subjected to resistance by the sealing disc and then moves in the direction away from the axis of the fixed pipe, therefore, part of air can be blown to the bottom in the tunnel, the oxygen concentration of the bottom in the tunnel can be improved, and the practicability is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a tunnel ventilation apparatus having a dust removing function of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a schematic structural view of a driving apparatus of a tunnel ventilation device with a dust removing function of the present invention;
in the figure: 1. the device comprises a fixed pipe, a protective net, a fan blade, a transmission shaft, a bearing, a fixed ring, a sealing disc, an electromagnet, a supporting block, a moving rod, a spring, a connecting block, a connecting rod, a moving disc, a connecting pipe, a water tank, a water pipe, a water pump, a filter screen, a pressure release valve, a driving motor, a driving wheel, a driven wheel, a driving belt and an auxiliary ring, wherein the fixed pipe is 2, the protective net is 3, the fan blade is 4, the transmission shaft is 5, the bearing is 6.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a tunnel ventilation device with a dust removal function includes a fixed pipe 1, a protective screen 2, a fan blade 3, a transmission shaft 4 and a bearing 5, wherein the fixed pipe 1 is horizontally disposed, the protective screen 2 is disposed at one end of the fixed pipe 1, the fan blade 3, the transmission shaft 4 and the bearing 5 are all located in the fixed pipe 1, the transmission shaft 4 and the fixed pipe 1 are coaxially disposed, the fan blade 3 is mounted at one end of the transmission shaft 4, an inner ring of the bearing 5 is mounted on the transmission shaft 4, an outer ring of the bearing 5 is fixedly connected with an inner wall of the fixed pipe 1, a driving device is disposed in the fixed pipe 1, the driving device is in transmission connection with one end of the transmission shaft 4, which is far away from the fan blade 3, and a cleaning mechanism and a dust;
the cleaning mechanism comprises a fixing ring 6, a sealing disk 7, two cleaning components and two moving components, wherein the fixing ring 6 and the sealing disk 7 are coaxially arranged with a fixing pipe 1, the fixing ring 6 is arranged in the fixing pipe 1 and is positioned between a fan blade 3 and a bearing 5, the transmission shaft 4 penetrates through the fixing ring 6, the transmission shaft 4 slides and is in sealing connection with the fixing ring 6, the fixing ring 6 is in sealing and fixed connection with the inner wall of the fixing pipe 1, the sealing disk 7 is positioned on one side of the fixing pipe 1, away from the protective screen 2, and is provided with a gap between the fixing pipe 1, the diameter of the sealing disk 7 is larger than the outer diameter of the fixing pipe 1, two through holes are arranged on the fixing ring 6, the through holes are uniformly distributed by taking the axis of the transmission shaft 4 as the central circumferential direction, the moving components and the cleaning components are in one-to-one correspondence, the cleaning assembly is arranged in the fixed pipe 1 and positioned between the fixed ring 6 and the sealing disc 7;
the moving component comprises an electromagnet 8, a supporting block 9, a moving rod 10, a spring 11 and a connecting block 12, the moving rod 10 is parallel to the fixed tube 1, one end of the moving rod 10 is fixed on one side of the sealing disk 7 close to the fixed tube 1, the electromagnet 8 is fixed at the other end of the moving rod 10, the supporting block 9 is fixed on the fixed tube 1 and is positioned between the electromagnet 8 and the sealing disc 7, the supporting block 9 is provided with a connecting hole, the movable rod 10 passes through the connecting hole and is connected with the inner wall of the connecting hole in a sliding way, the spring 11 is positioned between the supporting block 9 and the sealing disc 7, the supporting block 9 is connected with the sealing disc 7 through the spring 11, the connecting block 12 is positioned on one side of the electromagnet 8 far away from the sealing disc 7 and is fixed on the fixed pipe 1, the connecting block 12 is made of iron, and the distance between the connecting block 12 and the electromagnet 8 is larger than the distance between the sealing disc 7 and the fixed pipe 1;
the cleaning assembly comprises a connecting rod 13, a moving disk 14 and a connecting pipe 15, the connecting pipe 15 is parallel to the fixed pipe 1, the connecting pipe 15 penetrates through the through hole, the connecting rod is in sliding and sealing connection with the inner wall of the through hole, the moving disk 14 and the connecting rod 13 are coaxially arranged with the connecting pipe 15, the moving disk 14 is positioned on one side, close to the sealing disk 7, of the connecting pipe 15, a gap is formed between the moving disk 14 and the connecting pipe 15, the diameter of the moving disk 14 is equal to the inner diameter of the connecting pipe 15, the distance between the middle ends of the moving disk 14 and the connecting pipe 15 is equal to the distance between the sealing disk 7 and the fixed pipe 1, the connecting rod 13 is positioned between the sealing disk 7 and the moving disk 14, and the moving;
the driving device enables the driving shaft 4 to rotate under the supporting effect of the bearing 5, the rotation of the driving shaft 4 drives the fan blades 3 to rotate, so that air in the fixed pipe 1 is discharged from one end, far away from the protective screen 2, of the fixed pipe 1, air outside the fixed pipe 1 enters the fixed pipe 1 from the other end of the fixed pipe 1, and impurities are intercepted through the anti-slip screen, during the period, when the protective screen 2 needs to be cleaned, the fan blades 3 stop rotating, the electromagnet 8 is electrified, so that an interaction attraction force is generated between the electromagnet 8 and the iron connecting block 12, so that the electromagnet 8 drives the moving rod 10 to move on the supporting block 9 towards the direction close to the connecting block 12, the spring 11 is compressed, the moving of the moving rod 10 drives the sealing disc 7 to abut against and seal the fixed pipe 1, the moving of the sealing disc 7 further drives the moving disc 14 to move into the connecting pipe 15 through the connecting, through the removal of removal dish 14 in connecting pipe 15, can make the air in the connecting pipe 15 carry to fixed pipe 1 in and discharge from fixed pipe 1's the one end of keeping away from sealed dish 7, can make impurity and protection network 2 separation on the protection network 2 under the effect of air current, realize the function of clean protection network 2, the back that finishes is clean, electro-magnet 8 outage, make sealed dish 7 realize reseing under the elastic action of spring 11, the reseing of sealed dish 7 drives electro-magnet 8 through carriage release lever 10 and resets, still drive removal dish 14 through connecting rod 13 and realize reseing.
As shown in fig. 3, the dust removing mechanism includes a water tank 16, a water pipe 17, a water pump 18, a filter screen 19, a pressure release valve 20, a water inlet hole and a water outlet hole, the water tank 16 is shaped as a cuboid, an opening is provided at the top of the water tank 16, clear water is provided in the water tank 16, the water tank 16 is located below the fixed pipe 1 and is fixedly connected with the fixed pipe 1, the water outlet hole is provided at one side of the fixed pipe 1 away from the water tank 16, the pressure release valve 20 is installed in the water outlet hole, the pressure release valve 20 is arranged between the fixed ring 6 and the sealing disc 7, the water inlet hole is provided at one side of the fixed pipe 1 close to the water tank 16, one end of the water pipe 17 is inserted into the water inlet hole, the other end of the water pipe 17 is provided in the clear water, the water pipe 17 is sealed and fixedly connected with the inner wall, the screen 19 is mounted within the water pipe 17.
When fan blade 3 needs to be cleaned, electromagnet 8 is in the power-on state at this moment, and start through water pump 18, make the clear water in basin 16 carry to fixed intraductal 1 from water pipe 17, and make the water pressure between sealed dish 7 and the solid fixed ring 6 in the fixed pipe 1 increase to the rated pressure of relief valve 20, subsequently, clear water in the fixed pipe 1 is discharged from the apopore and flows to in the basin 16, the flow through clear water can be with the dust on the fan blade 3 dissolved in aquatic and discharge, simultaneously, can realize holding back to the dust through filter screen 19, can realize the cleanness to fan blade 3, after finishing removing dust, water pump 18 stops to start, and make electromagnet 8 outage can, the clear water in the fixed pipe 1 then can be followed fixed pipe 1 the one end that is close to sealed dish 7 and discharged to in basin 16.
Preferably, in order to improve the cleaning effect of the protection net 2, a strip-shaped groove is formed in the fixing tube 1, and the strip-shaped groove is located on one side of the fixing tube 1, which is far away from the water tank 16, and is close to one end of the fixing tube 1, which is provided with the protection net 2.
The effect in bar groove is convenient for flow to protection network 2 through the bar groove from apopore exhaust clear water, can promote the clean effect of protection network 2 under the effect of rivers.
Preferably, the supporting block 9 is made of rubber for achieving buffering and vibration reduction.
The rubber texture is comparatively soft, can reduce the impact force that produces when supporting shoe 9 and electro-magnet 8 support to lean on, has realized buffering and damping.
As shown in fig. 4, the driving device includes a driving motor 21, a driving wheel 22, a driven wheel 23 and a transmission belt 24, the driven wheel 23 is installed on the transmission shaft 4, the driving motor 21 is fixed on the inner wall of the fixed pipe 1 and is in transmission connection with the driving wheel 22, and the driving wheel 22 and the driven wheel 23 are respectively arranged at two ends of the inner side of the transmission belt 24.
The driving motor 21 is started to rotate the driving wheel 22, the rotation of the driving wheel 22 drives the driven wheel 23 to rotate through the transmission belt 24, and the rotation of the driven wheel 23 drives the transmission shaft 4 to rotate under the supporting effect of the bearing 5.
Preferably, the driving motor 21 is a servo motor in order to increase the driving force of the driving motor 21.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 21 can be improved.
Preferably, in order to prevent the driving motor 21 from being affected with damp, an auxiliary ring 25 is arranged in the fixed pipe 1, the auxiliary ring 25 is coaxially arranged with the fixed pipe 1 and is located on one side of the driving motor 21 close to the protective net 2, and the outer wall of the auxiliary ring 25 is hermetically and fixedly connected with the inner wall of the fixed pipe 1.
The auxiliary ring 25 prevents the clean water flowing onto the protection net 2 from flowing into the fixed pipe 1 again to contact with the driving motor 21, and thus functions to prevent the driving motor 21 from entering water.
Preferably, in order to facilitate the installation of the moving bar 10, both ends of the moving bar 10 are chamfered.
The chamfer serves to reduce the diameter of the movable rod 10 when passing through the connecting hole, and the effect of convenient installation is achieved.
Preferably, in order to reduce the friction between the moving rod 10 and the inner wall of the coupling hole, the moving rod 10 is coated with a lubricating oil.
The lubricating oil has the function of reducing the friction force between the moving rod 10 and the inner wall of the connecting hole, and the moving fluency of the moving rod 10 is improved.
Preferably, in order to reduce the gap between the inner wall of the connection pipe 15 and the moving plate 14, the inner wall of the connection pipe 15 is coated with a sealing grease.
The sealing grease functions to reduce the gap between the inner wall of the connecting pipe 15 and the moving plate 14, and improves the sealing property.
Preferably, in order to prolong the service life of the water tank 16, the water tank 16 is provided with an anti-corrosion zinc coating.
The function of the anti-corrosion zinc coating is to improve the anti-rust capability of the water tank 16 and prolong the service life of the water tank 16.
The driving wheel 22 is rotated by starting the driving motor 21, the rotation of the driving wheel 22 drives the driven wheel 23 to rotate through the driving belt 24, the rotation of the driven wheel 23 drives the transmission shaft 4 to rotate under the supporting effect of the bearing 5, the rotation of the transmission shaft 4 drives the fan blades 3 to rotate, so that the air in the fixed pipe 1 is discharged from one end of the fixed pipe 1, which is far away from the protective net 2, and the air outside the fixed pipe 1 enters the fixed pipe 1 from the other end of the fixed pipe 1, and the impurities are intercepted through the anti-skidding net, during the period, when the protective net 2 needs to be cleaned, the fan blades 3 stop rotating, the electromagnet 8 is electrified, so that the mutually attracting acting force is generated between the electromagnet 8 and the iron connecting block 12, so that the electromagnet 8 drives the movable rod 10 to move on the supporting block 9 towards the direction close to the connecting block 12, and the spring 11 is compressed, the movement of the movable rod 10, the movement of the sealing disk 7 also drives the moving disk 14 to move into the connecting pipe 15 through the connecting rod 13, the air in the connecting pipe 15 can be conveyed into the fixed pipe 1 and discharged from one end of the fixed pipe 1, which is far away from the sealing disk 7, through the movement of the moving disk 14 in the connecting pipe 15, impurities on the protective net 2 can be separated from the protective net 2 under the action of air flow, the function of cleaning the protective net 2 is realized, after the cleaning is finished, the electromagnet 8 is powered off, the sealing disk 7 is reset under the elastic action of the spring 11, the reset of the sealing disk 7 drives the electromagnet 8 to reset through the moving rod 10, the moving disk 14 is driven through the connecting rod 13 to reset, during the period, when the fan blade 3 needs to be dedusted, the electromagnet 8 is powered on and is started through the water pump 18, so that the clear water in the water tank 16 is conveyed from the water pipe 17 into the fixed pipe 1, and the water pressure between the sealing disk 7 and the fixed ring 6 in the fixed pipe, then, clear water in the fixed pipe 1 is discharged from the water outlet hole and flows into the water tank 16, dust on the fan blades 3 can be dissolved in water and discharged through the flow of the clear water, meanwhile, the dust can be intercepted through the filter screen 19, namely, the fan blades 3 can be cleaned, after dust removal is finished, the water pump 18 stops starting, the electromagnet 8 is powered off, and the clear water in the fixed pipe 1 can be discharged into the water tank 16 from one end of the fixed pipe 1, which is close to the sealing disc 7;
here, can also make through sealed dish 7 and move towards keeping away from fixed pipe 1 axis direction after receiving the resistance from fixed pipe 1 exhaust air, can make partial air can blow the bottom in the tunnel, because of the quality of oxygen is greater than the quality of carbon dioxide, consequently, the carbon dioxide concentration of bottom will be higher than the concentration of oxygen in the tunnel, is unfavorable for people to breathe, through blowing the air downwards, can improve the oxygen concentration of bottom in the tunnel, and ventilation effect is better.
Compared with the prior art, the tunnel ventilation equipment with the dust removal function realizes the function of cleaning the protective net 2 through the cleaning mechanism and prevents the protective net 2 from being blocked, compared with the prior cleaning mechanism, the cleaning mechanism can also enable the fan blades 3 to be in a sealed state so as to facilitate the dust removal of the fan blades 3 through clear water, and the integrated linkage mechanism is realized with the dust removal mechanism, so that the practicability is stronger, moreover, the function of removing the dust on the fan blades 3 is realized through the dust removal mechanism, compared with the prior dust removal mechanism, the dust removal mechanism can also improve the cleaning effect of the protective net 2 by flowing clear water onto the protective net 2, moreover, the air discharged from the fixed pipe 1 is moved towards the direction far away from the axis of the fixed pipe 1 after being subjected to resistance through the sealing disc 7, so that partial air can be blown to the bottom in the tunnel, and the oxygen concentration of the bottom in the tunnel can be improved, the practicability is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A tunnel ventilation device with a dust removal function comprises a fixed pipe (1), a protective screen (2), fan blades (3), a transmission shaft (4) and a bearing (5), the fixed pipe (1) is horizontally arranged, the protective net (2) is arranged at one end of the fixed pipe (1), the fan blades (3), the transmission shaft (4) and the bearing (5) are all positioned in the fixed pipe (1), the transmission shaft (4) is coaxial with the fixed pipe (1), the fan blades (3) are arranged at one end of the transmission shaft (4), the inner ring of the bearing (5) is arranged on the transmission shaft (4), the outer ring of the bearing (5) is fixedly connected with the inner wall of the fixed pipe (1), a driving device is arranged in the fixed pipe (1), the driving device is in transmission connection with one end of the transmission shaft (4) far away from the fan blades (3), the device is characterized in that a cleaning mechanism and a dust removing mechanism are arranged on the fixed pipe (1);
clean mechanism is including solid fixed ring (6), sealed dish (7), two clean subassemblies and two removal subassemblies, gu fixed ring (6) and sealed dish (7) all with fixed pipe (1) coaxial setting, gu fixed ring (6) set up in fixed pipe (1) and lie in between flabellum (3) and bearing (5), solid fixed ring (6) are passed in transmission shaft (4), transmission shaft (4) and solid fixed ring (6) slip and sealing connection, gu fixed ring (6) and the inner wall of fixed pipe (1) sealed and fixed connection, sealed dish (7) lie in one side of keeping away from protection network (2) of fixed pipe (1) and with fixed pipe (1) between be equipped with the clearance, the diameter of sealed dish (7) is greater than the external diameter of fixed pipe (1), gu be equipped with two through-holes on fixed ring (6), the through-hole uses the axis of transmission shaft (4) as central circumference evenly distributed, the moving assemblies and the cleaning assemblies are in one-to-one correspondence with the through holes, the moving assemblies are arranged on the outer wall of the fixed pipe (1), and the cleaning assemblies are arranged in the fixed pipe (1) and are positioned between the fixed ring (6) and the sealing disc (7);
the movable assembly comprises an electromagnet (8), a supporting block (9), a movable rod (10), a spring (11) and a connecting block (12), the movable rod (10) is parallel to the fixed pipe (1), one end of the movable rod (10) is fixed on one side, close to the fixed pipe (1), of the sealing disc (7), the electromagnet (8) is fixed at the other end of the movable rod (10), the supporting block (9) is fixed on the fixed pipe (1) and located between the electromagnet (8) and the sealing disc (7), a connecting hole is formed in the supporting block (9), the movable rod (10) penetrates through the connecting hole and is in sliding connection with the inner wall of the connecting hole, the spring (11) is located between the supporting block (9) and the sealing disc (7), the supporting block (9) is connected with the sealing disc (7) through the spring (11), the connecting block (12) is located on one side, far away from the sealing disc (7), of the electromagnet (8) and is fixed on the fixed, the connecting block (12) is made of iron, and the distance between the connecting block (12) and the electromagnet (8) is larger than the distance between the sealing disc (7) and the fixed pipe (1);
the cleaning component comprises a connecting rod (13), a moving disk (14) and a connecting pipe (15), the connecting pipe (15) is parallel to the fixed pipe (1), the connecting pipe (15) passes through the through hole, the connecting rod is connected with the inner wall of the through hole in a sliding and sealing way, the moving disc (14) and the connecting rod (13) are arranged coaxially with the connecting pipe (15), the moving disc (14) is positioned at one side of the connecting pipe (15) close to the sealing disc (7) and a gap is arranged between the moving disc and the sealing disc, the diameter of the moving disk (14) is equal to the inner diameter of the connecting pipe (15), the distance between the moving disk (14) and the middle end of the connecting pipe (15) is equal to the distance between the sealing disk (7) and the fixed pipe (1), the connecting rod (13) is positioned between the sealing disk (7) and the moving disk (14), the moving disc (14) is fixed on the sealing disc (7) through a connecting rod (13);
the dust removal mechanism comprises a water tank (16), a water pipe (17), a water pump (18), a filter screen (19), a pressure release valve (20), a water inlet hole and a water outlet hole, wherein the water tank (16) is shaped like a cuboid, an opening is formed in the top of the water tank (16), clear water is arranged in the water tank (16), the water tank (16) is positioned below the fixed pipe (1) and fixedly connected with the fixed pipe (1), the water outlet hole is formed in one side, far away from the water tank (16), of the fixed pipe (1), the pressure release valve (20) is installed in the water outlet hole, the pressure release valve (20) is arranged between the fixed ring (6) and the sealing disc (7), the water inlet hole is formed in one side, close to the water tank (16), of the fixed pipe (1), one end of the water pipe (17) is inserted into the water inlet hole, the other end of the water pipe (17) is arranged in the clear water, the water pipe (17) is hermetically, the water pump (18) is fixed on the fixed pipe (1), the water pipe (17) is installed on the water pump (18), and the filter screen (19) is installed in the water pipe (17).
2. The tunnel ventilation equipment with the dust removal function according to claim 1, wherein the fixing tube (1) is provided with a strip-shaped groove, and the strip-shaped groove is positioned on one side of the fixing tube (1) far away from the water tank (16) and close to one end of the fixing tube (1) provided with the protective net (2).
3. The tunnel ventilation device with dust removing function as claimed in claim 1, wherein the supporting block (9) is made of rubber.
4. The tunnel ventilation equipment with the dust removing function as claimed in claim 1, wherein the driving device comprises a driving motor (21), a driving wheel (22), a driven wheel (23) and a transmission belt (24), the driven wheel (23) is mounted on the transmission shaft (4), the driving motor (21) is fixed on the inner wall of the fixed pipe (1) and is in transmission connection with the driving wheel (22), and the driving wheel (22) and the driven wheel (23) are respectively arranged at two ends of the inner side of the transmission belt (24).
5. The tunnel ventilation apparatus with dust removing function as claimed in claim 4, wherein said driving motor (21) is a servo motor.
6. The tunnel ventilation equipment with the dust removing function according to claim 4, wherein an auxiliary ring (25) is arranged in the fixed pipe (1), the auxiliary ring (25) is coaxially arranged with the fixed pipe (1) and is positioned on one side of the driving motor (21) close to the protective net (2), and the outer wall of the auxiliary ring (25) is hermetically and fixedly connected with the inner wall of the fixed pipe (1).
7. The tunnel ventilation apparatus with dust removing function as claimed in claim 1, wherein both ends of the moving bar (10) are chamfered.
8. The tunnel ventilation apparatus with dust removing function as claimed in claim 1, wherein said moving rod (10) is coated with a lubricating oil.
9. The tunnel ventilation apparatus with a dust removing function as claimed in claim 1, wherein the inner wall of the connection pipe (15) is coated with sealing grease.
10. The tunnel ventilation apparatus with a dust removal function as claimed in claim 1, wherein said water tank (16) is provided with an anti-corrosion zinc plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601376.3A CN111764949A (en) | 2020-06-29 | 2020-06-29 | Tunnel ventilation equipment with dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601376.3A CN111764949A (en) | 2020-06-29 | 2020-06-29 | Tunnel ventilation equipment with dust removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111764949A true CN111764949A (en) | 2020-10-13 |
Family
ID=72722553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010601376.3A Withdrawn CN111764949A (en) | 2020-06-29 | 2020-06-29 | Tunnel ventilation equipment with dust removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111764949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210366A (en) * | 2021-05-25 | 2021-08-06 | 恒亦明(广州)智能科技有限公司 | Snow removing equipment for pipeline transportation |
-
2020
- 2020-06-29 CN CN202010601376.3A patent/CN111764949A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210366A (en) * | 2021-05-25 | 2021-08-06 | 恒亦明(广州)智能科技有限公司 | Snow removing equipment for pipeline transportation |
| CN113210366B (en) * | 2021-05-25 | 2022-10-11 | 恒亦明(广州)智能科技有限公司 | Snow removing equipment for pipeline transportation |
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Application publication date: 20201013 |
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