CN114738326A - Diversion supercharging energy-saving centrifugal fan - Google Patents
Diversion supercharging energy-saving centrifugal fan Download PDFInfo
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- CN114738326A CN114738326A CN202210470267.1A CN202210470267A CN114738326A CN 114738326 A CN114738326 A CN 114738326A CN 202210470267 A CN202210470267 A CN 202210470267A CN 114738326 A CN114738326 A CN 114738326A
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- centrifugal fan
- guide
- fan body
- rod
- lead screw
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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
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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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
- F04D29/70—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a diversion supercharging energy-saving centrifugal fan which comprises a centrifugal fan body, an adjusting module and a transmission unit, wherein a limiting component for adjusting the airtightness is arranged on the adjusting module for adjusting the maintenance angle; the centrifugal fan comprises a centrifugal fan body, wherein a balance assembly used for adjusting the tightness is arranged on the centrifugal fan body, the balance assembly is abutted against the centrifugal fan body, and a flow guide unit used for guiding high-temperature gas is arranged on the balance assembly; after the distance between the centrifugal fan body and the plasticizing section of the extruder is adjusted through the limiting assembly, the angle between the limiting assembly and the centrifugal fan body is adjusted through the adjusting module, the distance between the centrifugal fan body and the plasticizing area is increased, and the overhauling and maintaining efficiency of the centrifugal fan body is improved; the arrangement of the flow guide unit enables heat in the extruder to flow back to the inside of the centrifugal fan body through the flow guide unit, so that waste of heat energy is reduced, and air induction performance is improved.
Description
Technical Field
The invention relates to the field of a diversion supercharging energy-saving centrifugal fan, in particular to a diversion supercharging energy-saving centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion, etc., such as: the centrifugal fan is applied to the extruder to induce air to a plasticizing area near the heating ring, so that the temperature of each plasticizing area is more stable.
When the centrifugal fan is applied to the extruder to induce air to the plasticizing area near the heating ring, the centrifugal fan enables the temperature on the heating ring to be uniformly distributed in the plasticizing area and then discharged from the gap, and the discharged heat source air causes waste of heat energy and causes poor air inducing effect.
In summary, how to solve the problem that the centrifugal fan causes the temperature on the heating ring to be uniformly distributed in the plasticizing area and then discharged from the gap, and the discharged heat source air causes waste of heat energy, which results in poor air induction effect, has become a problem to be urgently solved by those skilled in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a diversion supercharging energy-saving centrifugal fan, which solves the problems that the centrifugal fan causes the temperature on a heating ring to be uniformly distributed in a plasticizing area and then discharged from a gap, and the discharged heat source air causes waste of heat energy and poor air induction effect.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a diversion supercharging energy-saving centrifugal fan comprises a centrifugal fan body, an adjusting module and a transmission unit, wherein a limiting assembly for adjusting the airtightness is arranged on the adjusting module for adjusting the maintenance angle, and the centrifugal fan body for diversion supercharging is arranged on the limiting assembly;
the centrifugal fan comprises a centrifugal fan body, a balance assembly and a flow guide unit, wherein the centrifugal fan body is provided with the balance assembly for adjusting the tightness, the balance assembly is abutted against the centrifugal fan body, and the balance assembly is provided with the flow guide unit for guiding high-temperature gas;
the balance assembly is provided with a fixing mechanism for limiting, the fixing mechanism is arranged inside the centrifugal fan body, a transmission unit for transmission is connected to the fixing mechanism, and the transmission unit is abutted to the limiting assembly;
the flow guide unit comprises a connecting sleeve, a flow guide pipe, a filtering sleeve and a connecting pipe;
the one end of connecting pipe is fixed and run through in the apron, the other one end of connecting pipe is equipped with the cross-section and is the wave filter sleeve, the one end of honeycomb duct with block between the connecting pipe, the other one end of honeycomb duct is fixed in the adapter sleeve, the adapter sleeve deviates from the one end of honeycomb duct is the arc structure.
Preferably, the adjusting module comprises a base, a guide shaft, a first screw rod, a second screw rod, a rack, a first gear, a second gear and a third gear;
the guide shaft penetrates through and is fixed on the limiting assembly, the end part of the guide shaft is rotationally connected with the base, the first gear is fixed on the guide shaft, the first gear is arranged in the base, the cross section of the base along the axial direction of the guide shaft is L-shaped, the rack is vertical to the guide shaft, the rack is meshed with the first gear, the first lead screw is connected with the base and the rack in a penetrating way, the first lead screw is rotationally connected with the base, the first lead screw is in threaded connection with the rack, the first lead screw is vertical to the guide shaft, the third gear is arranged on the first lead screw, the second gear is meshed with the third gear, the second lead screw is arranged on the second lead screw, and the second lead screw is rotationally connected with the base, and the second screw rod is parallel to the guide shaft.
Preferably, the rack has a U-shaped cross section.
Preferably, the limiting assembly comprises a guide rail, a sliding frame, a third screw rod, a push rod and a guide strip;
the bottom mounting of guide rail is in the guiding axle, be equipped with on the guide rail with the guiding axle vertically the gib block, the balladeur train with sliding connection between the guide rail, the balladeur train with sliding connection between the gib block, third lead screw through connection in the guide rail with the balladeur train, the third lead screw with rotate between the guide rail and be connected, the third lead screw with threaded connection between the balladeur train, the third lead screw deviates from the one end of balladeur train is equipped with the push rod.
Preferably, the balance assembly comprises a guide sleeve, a guide groove, a guide rod, a cover plate, a sealing plug, a first return spring and a receiving sleeve;
the cover plate is abutted against the air inlet end of the centrifugal fan body;
be equipped with the inside cavity of round platform shape on the apron the guiding gutter, be equipped with a plurality of round platform shapes on the apron the guiding gutter, inside cavity the guide bar with sliding connection and tip extend to between the apron the guiding gutter, the guide bar deviates from the one end of guiding gutter is equipped with inside cavity latticed accomodate the cover, accomodate the cover and deviate from the one end of guide bar is equipped with the round platform shape the sealing plug, the sealing plug with conflict between the apron, the guide bar with accomodate the cover all run through in a reset spring, a reset spring's both ends are fixed in the sealing plug with the apron.
Preferably, the fixing mechanism comprises a clamping block, a guide ring, a clamping sleeve, a roller, a sliding rod and a second return spring;
the guide ring is rotationally connected with the centrifugal fan body;
the sliding guide device is characterized in that at least three clamping blocks are arranged on the guide ring in a circumferential array mode, the cover plate is provided with a clamping sleeve with an L-shaped section and clamped with the clamping blocks, the bottom end of the guide ring is provided with the sliding rod, the second reset spring is arranged between the sliding rod and the sliding frame, and one end, deviating from the second reset spring, of the sliding rod is provided with the idler wheel in rotating connection.
Preferably, the slide bar is slidably connected with the carriage.
Preferably, the transmission unit comprises a transmission block, a transmission rod and a connector;
the end, facing the transmission block, of the guide strip is of a trapezoidal structure, the transmission block, facing the end, facing the guide strip, of which the end is triangular, is connected with the sliding frame in a sliding mode, and the sliding direction of the transmission block is perpendicular to that of the sliding frame;
one end of the transmission rod is in rolling connection with the transmission block, and the other end of the transmission rod is in rotating connection with the connector;
the connector is fixed in the guide ring, the gyro wheel with roll connection between the recess on the connector.
The invention has the beneficial effects that: the adjusting module for adjusting the maintenance angle is provided with a limiting assembly for adjusting the airtightness, and the limiting assembly is provided with a centrifugal fan body for guiding and pressurizing; after the distance between the centrifugal fan body and the plasticizing section of the extruder is conveniently adjusted through the limiting assembly, the angle between the limiting assembly and the centrifugal fan body is adjusted through the adjusting module, the distance between the centrifugal fan body and the plasticizing area is increased, and meanwhile, the height of the centrifugal fan body is reduced, so that the overhauling and maintenance efficiency of the centrifugal fan body is greatly improved, and meanwhile, the safety in the overhauling and maintenance process is improved;
the centrifugal fan body is provided with a balance assembly for adjusting the airtightness, the balance assembly is abutted against the centrifugal fan body, and the balance assembly is provided with a flow guide unit for guiding high-temperature gas; the setting of water conservancy diversion unit makes the heat in the extruder flow back to the inside of centrifugal fan body through the water conservancy diversion unit, and then has reduced the waste of heat energy, has improved the induced air performance greatly, and the setting of balanced subassembly makes balanced subassembly absorb external gas under the effect of atmospheric pressure when the water conservancy diversion unit takes place to block up simultaneously, keeps the normal clear of induced air.
The balance assembly is provided with the fixing mechanism for limiting, the fixing mechanism is arranged inside the centrifugal fan body, the transmission unit for transmission is connected to the fixing mechanism, and the transmission unit is abutted to the limiting assembly, so that when the limiting assembly drives the centrifugal fan body to be separated from the extruder, the limiting assembly does not limit the transmission unit, the transmission unit does not limit the fixing mechanism, the height structure does not limit the balance assembly, and the balance assembly is more convenient and faster to install and detach.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a schematic view of an overall structure of a diversion supercharging energy-saving centrifugal fan provided by the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of the conditioning module shown in FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 1;
FIG. 5 is an enlarged view of section C of FIG. 1;
FIG. 6 is a schematic view of the connection structure between the centrifugal fan body and the balance assembly shown in FIG. 4;
FIG. 7 is an enlarged view of the portion D shown in FIG. 6;
fig. 8 is a schematic structural view of the balancing assembly shown in fig. 7.
In the figure:
1-an adjusting module, 11-a base, 12-a guide shaft, 13-a first screw rod, 14-a second screw rod, 15-a rack, 16-a first gear, 17-a second gear and 18-a third gear;
2-a limiting assembly, 21-a guide rail, 22-a sliding frame, 23-a third screw rod, 24-a push rod and 25-a guide strip;
3-centrifugal fan body;
4-a flow guide unit, 41-a connecting sleeve, 42-a flow guide pipe, 43-a filter sleeve and 44-a connecting pipe;
5-a balance component, 51-a guide sleeve, 52-a guide groove, 53-a guide rod, 54-a cover plate, 55-a sealing plug, 56-a first return spring and 57-a receiving sleeve;
6-a fixing mechanism, 61-a fixture block, 62-a guide ring, 63-a clamping sleeve, 64-a roller, 65-a slide bar and 66-a second return spring;
7-transmission unit, 71-transmission block, 72-transmission rod and 73-connector.
Detailed Description
The core of the invention is to provide an integrally sealed hydraulic pump station to solve the problem that the centrifugal fan causes the temperature on a heating ring to be uniformly distributed in a plasticizing area and then discharged from a gap, and the discharged heat source air causes waste of heat energy and poor air induction effect.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the flow-guiding, pressurizing and energy-saving centrifugal fan of the present invention comprises an adjusting module 1, a limiting component 2, a centrifugal fan body 3, a flow-guiding unit 4, a balancing component 5, a fixing mechanism 6 and a transmission unit 7; the adjusting module 1 for adjusting the maintenance angle is provided with the limiting component 2 for adjusting the tightness, and the limiting component 2 is provided with the centrifugal fan body 3 for guiding and pressurizing; the centrifugal fan body 3 is provided with the balance assembly 5 for adjusting the tightness, the balance assembly 5 is abutted against the centrifugal fan body 3, and the balance assembly 5 is provided with the flow guide unit 4 for guiding high-temperature gas; be equipped with on the balanced subassembly 5 and be used for spacingly fixed establishment 6, fixed establishment 6 is located the inside of centrifugal fan body 3 is used for the driven transmission unit 7 connect in fixed establishment 6, just transmission unit 7 contradict in spacing subassembly 2.
In practical application, the adjusting module 1 includes a base 11, a guide shaft 12, a first lead screw 13, a second lead screw 14, a rack 15, a first gear 16, a second gear 17 and a third gear 18, the guide shaft 12 penetrates through and is fixed to the limiting component 2, an end portion of the guide shaft 12 is rotatably connected with the base 11, the first gear 16 is fixed on the guide shaft 12, the first gear 16 is arranged inside the base 11, a cross section of the base 11 along an axial direction of the guide shaft 12 is L-shaped, the rack 15 is perpendicular to the guide shaft 12, a cross section of the rack 15 is U-shaped, the rack 15 is engaged with the first gear 16, the first lead screw 13 penetrates through and is connected with the base 11 and the rack 15, the first lead screw 13 is rotatably connected with the base 11, and the first lead screw 13 is in threaded connection with the rack 15, the first screw rod 13 is perpendicular to the guide shaft 12, the third gear 18 is arranged on the first screw rod 13, the second gear 17 is meshed with the third gear 18, the second screw rod 14 is arranged on the second gear 17, the second screw rod 14 is rotatably connected with the base 11, and the second screw rod 14 is parallel to the guide shaft 12.
In some specific embodiments, the limiting assembly 2 includes a guide rail 21, a carriage 22, a third lead screw 23, a push rod 24 and a guide bar 25, the bottom end of the guide rail 21 is fixed to the guide shaft 12, the guide rail 21 is provided with the guide bar 25 perpendicular to the guide shaft 12, the carriage 22 is slidably connected to the guide rail 21, the carriage 22 is slidably connected to the guide bar 25, the third lead screw 23 is connected to the guide rail 21 and the carriage 22 in a penetrating manner, the third lead screw 23 is rotatably connected to the guide rail 21, the third lead screw 23 is connected to the carriage 22 in a threaded manner, and the push rod 24 is provided at one end of the third lead screw 23, which is far away from the carriage 22.
In the specific working process, the adjusting module 1 for adjusting the maintenance angle is provided with the limiting component 2 for adjusting the airtightness, and the limiting component 2 is provided with the centrifugal fan body 3 for guiding and pressurizing; and then be convenient for pass through spacing subassembly 2 is adjusted after the distance between the plastify section of centrifugal fan body 3 and extruder, then pass through adjusting module 1 is adjusted spacing subassembly 2 with the angle of centrifugal fan body 3 increases distance between centrifugal fan body 3 and the plastify region has simultaneously reduced the height of centrifugal fan body 3, and then has improved greatly the efficiency of the maintenance of centrifugal fan body 3 has improved the security of the in-process of maintenance of overhauing simultaneously, promptly: when the centrifugal fan body 3 is overhauled and maintained, the push rod 24 is rotated (one end of the push rod 24 is fixed to the third lead screw 23, the other end of the push rod 24 is driven during driving, and the push rod 24 pushes the third lead screw 23 more labor-saving), the push rod 24 drives the third lead screw 23 to rotate clockwise, the third lead screw 23 drives the carriage 22 to slide towards the direction of the push rod 24, the third lead screw 23 drives the carriage 22 to slide with the guide rail 21, the carriage 22 slides with the guide strip 25, the guide strip 25 is arranged, so that the carriage 22 slides more stably, the carriage 22 drives the centrifugal fan body 3 to be separated from an extruder plasticizing area, then an inner hexagonal wrench is used for clamping with the second lead screw 14 to rotate the second lead screw 14, and the second lead screw 14 is perpendicular to the first lead screw 13, the side wall of the base 11 is conveniently driven, the influence of the rotation of the guide rail 21 on the continuous driving of the second screw rod 14 is effectively prevented, the operation is more flexible and convenient, the second screw rod 14 drives the second gear 17 to rotate in a rotating manner, the second gear 17 drives the third gear 18 to rotate, the third gear 18 drives the first screw rod 13 to rotate, the first screw rod 13 drives the rack 15 to slide in a direction deviating from the direction of the third gear 18 through threads, the rack 15 is of a U-shaped structure, so that the second gear 17 and the third gear 18 have a rotating space, the rack 15 drives the first gear 16 to rotate clockwise, the first gear 16 drives the guide shaft 12 to rotate, the guide shaft 12 drives the guide rail 21 and the base 11 to rotate clockwise, and the distance between the centrifugal fan body 3 and a plasticizing area is increased, meanwhile, the height of the centrifugal fan body 3 is reduced, the overhauling and maintaining efficiency of the centrifugal fan body 3 is greatly improved, the safety in the overhauling and maintaining process is improved, and meanwhile, the centrifugal fan body 3 is more convenient and faster to install.
In this embodiment, the balance assembly 5 includes a flow guide sleeve 51, a flow guide groove 52, a guide rod 53, a cover plate 54, a sealing plug 55, a first return spring 56 and a storage sleeve 57, the cover plate 54 abuts against the air inlet end of the centrifugal fan body 3, the cover plate 54 is provided with the flow guide sleeve 51 which is truncated cone-shaped and hollow inside, the cover plate 54 is provided with a plurality of truncated cone-shaped flow guide grooves 52, the hollow inside guide rod 53 is slidably connected with the cover plate 54, and the end portion of the hollow inside extends to the flow guide groove 52, one end of the guide rod 53 which is away from the flow guide groove 52 is provided with the storage sleeve 57 which is hollow inside and grid-shaped, one end of the storage sleeve 57 which is away from the guide rod 53 is provided with the truncated cone-shaped sealing plug 55, the abutting between the sealing plug 55 and the cover plate 54, and both the guide rod 53 and the storage sleeve 57 penetrate through the first return spring 56, the first return spring 56 is fixed at both ends to the sealing plug 55 and the cover plate 54.
In a further embodiment, the flow guide unit 4 includes a connection sleeve 41, a flow guide pipe 42, a filter sleeve 43 and a connection pipe 44, one end of the connection pipe 44 is fixed and penetrates through the cover plate 54, the filter sleeve 43 with a wave-shaped cross section is arranged at the other end of the connection pipe 44, one end of the flow guide pipe 42 is clamped with the connection pipe 44, the other end of the flow guide pipe 42 is fixed to the connection sleeve 41, and one end of the connection sleeve 41, which is away from the flow guide pipe 42, is of an arc-shaped structure; be equipped with on the centrifugal fan body 3 and be used for adjusting the seal balanced subassembly 5, balanced subassembly 5 with conflict between the centrifugal fan body 3, just be equipped with on the balanced subassembly 5 and be used for carrying out the water conservancy diversion to high-temperature gas water conservancy diversion unit 4.
In this embodiment, the setting of water conservancy diversion unit 4 makes the heat process in the extruder flow back to water conservancy diversion unit 4 extremely the inside of centrifugal fan body 3, and then reduced the waste of heat energy, improved the induced air performance greatly, simultaneously the setting of balanced subassembly 5, when water conservancy diversion unit 4 takes place to block up, makes under the effect of atmospheric pressure balanced subassembly 5 absorbs external gas, keeps the normal clear of induced air, promptly: the connecting sleeve 41 is fixed on the shell of the extruder through bolts, the connecting sleeve 41 is of an arc structure and conforms to the cylinder structure of the shell of the extruder, so that the fixing effect between the connecting sleeve 41 and the extruder is better, when the centrifugal fan body 3 works, gas is promoted to enter the shell of the extruder, heat on the heating ring flows uniformly in the shell of the extruder, the temperature of a plasticizing heating zone is more stable, then the gas passes through the connecting sleeve 41 under the action of airflow and then enters the filter sleeve 43 from the flow guide pipe 42, the filter sleeve 43 is of a wave structure, so that the filtering area is increased, the anti-blocking performance is improved, the filter sleeve 43 is arranged to be long enough to filter large-particle material dust in the air to a certain extent, the flow guide pipe 42 is clamped with the connecting pipe 44, so that the flow guide pipe 42 can be conveniently pulled out, when the flow guide tube 42 is blocked, and the centrifugal fan body 3 continues to rotate, the cover plate 54 generates a pressure difference towards one end and the other end of the flow guide groove 52, so that the airflow passes through the flow guide sleeve 51 under the action of atmospheric pressure, the flow guide sleeve 51 is of a hollow circular truncated cone structure, the flow guide groove 52 is of a circular truncated cone structure, and a flow guide effect is provided, so that the sealing plug 55 is pushed by the atmospheric pressure, the sealing plug 55 pulls the first return spring 56 to extend, the sealing plug 55 drives the guide rod 53 on the storage sleeve 57 to slide between the cover plate 54, and then the sealing plug 55 and the cover plate 54 are not sealed, under the action of air flow and atmospheric pressure thereof, air passes through the guide rod 53 and the storage sleeve 57 which are hollow inside from the guide groove 52 and then enters the interior of the centrifugal fan body 3, when the air in the guide pipe 42 continues to enter the interior of the cover plate 54, the air flow entering the interior of the guide groove 52 is reduced, the first return spring 56 contracts, the sealing plug 55 abuts against the cover plate 54 to seal the end part of the guide groove 52, and the storage sleeve 57 is of a grid structure, so that large-particle dust can be conveniently stored and filtered, internal and external balance can be automatically adjusted, and the use stability is improved.
Further, fixed establishment 6 includes fixture block 61, guide ring 62, cutting ferrule 63, gyro wheel 64, slide bar 65 and second reset spring 66, guide ring 62 with rotate between the centrifugal fan body 3 and be connected, the circumference array is equipped with at least three on the guide ring 62 fixture block 61, be equipped with the cross-section on the apron 54 for L shape, with the fixture block 61 block cutting ferrule 63, the bottom of guide ring 62 is equipped with slide bar 65, slide bar 65 with sliding connection between the balladeur train 22, slide bar 65 with be equipped with between the balladeur train 22 second reset spring 66, slide bar 65 deviates from the one end of second reset spring 66 is equipped with the rotation connection gyro wheel 64.
Optionally, the transmission unit 7 includes a transmission block 71, a transmission rod 72 and a connector 73, one end of the guide bar 25 facing the transmission block 71 is of a trapezoidal structure, the transmission block 71 facing the guide bar 25 and having a triangular end is slidably connected to the carriage 22, the sliding direction of the transmission block 71 is perpendicular to the sliding direction of the carriage 22, one end of the transmission rod 72 is connected to the transmission block 71 in a rolling manner, the other end of the transmission rod 72 is rotatably connected to the connector 73, the connector 73 is fixed to the guide ring 62, and the roller 64 is connected to the groove on the connector 73 in a rolling manner; be equipped with on balanced subassembly 5 and be used for spacingly fixed establishment 6, fixed establishment 6 is located centrifugal fan body 3's inside is used for the transmission drive unit 7 connect in fixed establishment 6, just drive unit 7 contradict in spacing subassembly 2, and then be convenient for spacing subassembly 2 drive when centrifugal fan body 3 separates with the extruder, spacing subassembly 2 is right drive unit 7 is not spacing, makes drive unit 7 is right fixed establishment 6 is not spacing, makes height structure 6 is right balanced subassembly 5 is not spacing, and then makes balanced subassembly 5's installation dismantlement convenient and fast more, promptly: when the carriage 22 slides towards the push rod 24, the guide bar 25 moves back to back with the transmission block 71, the second return spring 66 extends to drive the slide rod 65 to slide away from the second return spring 66, so that the slide rod 65 drives the roller 64 and the connector 73 to roll, the connector 73 drives the guide ring 62 to rotate clockwise, so that the clamping block 61 on the guide ring 62 is separated from the clamping sleeve 63, meanwhile, the connector 73 drives the transmission rod 72 to rotate and simultaneously drives the transmission block 71 to slide, so that the transmission block 71 resets, when the centrifugal fan body 3 is connected with an extruder, the carriage 22 slides away from the push rod 24, so that the transmission block 71 abuts against the guide bar 25, so that the transmission block 71 slides away from the guide bar 75, so that the transmission block 71 drives the transmission rod 72 to drive the connector 73, the connector 73 drives the guide ring 62 to rotate anticlockwise, the clamping block 61 on the guide ring 62 is clamped with the clamping sleeve 63, the roller 64 is driven to roll by the connector 73, the sliding rod 65 abuts against the second return spring 66 to be compressed, and the cover plate 54 is mounted and dismounted more conveniently and quickly.
When the centrifugal fan is used, when the centrifugal fan body 3 is overhauled and maintained, the push rod 24 is rotated (one end of the push rod 24 is fixed on the third screw rod 23, the other end of the push rod 24 is driven when the centrifugal fan is driven, and the push rod 24 pushes the third screw rod 23 to save more labor), the push rod 24 drives the third screw rod 23 to rotate clockwise, the third screw rod 23 drives the carriage 22 to slide towards the push rod 24, the third screw rod 23 drives the carriage 22 to slide between the carriage 22 and the guide rail 21, the carriage 22 slides between the carriage 22 and the guide bar 25, the arrangement of the guide bar 25 further enables the carriage 22 to slide more stably, the carriage 22 drives the centrifugal fan body 3 to separate from the plasticizing area of the extruder, then the hexagon socket wrench is used to be clamped with the second screw rod 14, the second screw rod 14 is rotated, the second screw rod 14 is perpendicular to the first screw rod 13, so as to be convenient for driving at the side wall of the base 11, and effectively preventing the guide rail 21 from influencing the continuous driving of the second screw rod 14 after being rotated, the operation is more flexible and convenient, the second screw rod 14 rotates to drive the second gear 17 to rotate, the second gear 17 drives the third gear 18 to rotate, the third gear 18 drives the first screw rod 13 to rotate, the first screw rod 13 drives the rack 15 to slide in a direction deviating from the third gear 18 by threads, the rack 15 is in a U-shaped structure, so that the second gear 17 and the third gear 18 have a rotating space, the rack 15 drives the first gear 16 to rotate clockwise, the first gear 16 drives the guide shaft 12 to rotate, the guide shaft 12 drives the guide rail 21 and the base 11 to rotate clockwise, the distance between the centrifugal fan body 3 and the plasticizing area is increased, the height of the centrifugal fan body 3 is reduced, the efficiency of overhauling and maintaining the centrifugal fan body 3 is greatly improved, the safety in the overhauling and maintaining process is improved, and the centrifugal fan body 3 is more convenient and faster to install; the connecting sleeve 41 is fixed on the shell of the extruder through bolts, the connecting sleeve 41 is of an arc structure and conforms to the cylinder structure of the shell of the extruder, so that the fixing effect between the connecting sleeve 41 and the extruder is better, when the centrifugal fan body 3 works, gas is promoted to enter the shell of the extruder, heat on the heating ring flows uniformly in the shell of the extruder, the temperature of a plasticizing heating area is more stable, then the gas passes through the connecting sleeve 41 under the action of airflow and then enters the filter sleeve 43 from the flow guide pipe 42, the filter sleeve 43 is of a wave structure, the filtering area is increased, the anti-blocking performance is improved, the filter sleeve 43 is arranged to a certain extent to filter large-particle material dust in the air, the flow guide pipe 42 is clamped with the connecting pipe 44, the flow guide pipe 42 is convenient to be pulled out, and the dust on the filter sleeve 43 is cleaned, when the flow guide pipe 42 is blocked and the centrifugal fan body 3 continues to rotate, a pressure difference is generated between one end of the cover plate 54 facing the flow guide groove 52 and the other end of the cover plate 54, under the action of atmospheric pressure, the air flow passes through the flow guide sleeve 51, the flow guide sleeve 51 is of a hollow circular truncated cone structure, the flow guide groove 52 is of a circular truncated cone structure and has the function of flow guide, the atmospheric pressure pushes the sealing plug 55, the sealing plug 55 pulls the first return spring 56 to extend, the sealing plug 55 drives the guide rod 53 on the storage sleeve 57 to slide with the cover plate 54, then the sealing plug 55 and the cover plate 54 are not sealed, and under the action of the air flow and the atmospheric pressure, the air passes through the hollow guide rod 53 and the storage sleeve 57 from the flow guide groove 52, then, the air enters the centrifugal fan body 3, when the air in the guide pipe 42 continuously enters the cover plate 54, the air flow entering the guide groove 52 is reduced, the first return spring 56 contracts, the sealing plug 55 abuts against the cover plate 54, the end part of the guide groove 52 is sealed, and the containing sleeve 57 is of a grid structure, so that large-particle dust can be conveniently contained and filtered, the internal and external balance can be automatically adjusted, and the use stability is improved; when the carriage 22 slides towards the push rod 24, the guide strip 25 moves away from the transmission block 71, the second return spring 66 extends to drive the slide rod 65 to slide away from the second return spring 66, so that the slide rod 65 drives the roller 64 and the connector 73 to roll, the connector 73 drives the guide ring 62 to rotate clockwise, the fixture block 61 on the guide ring 62 is separated from the clamping sleeve 63, the connector 73 drives the transmission rod 72 to rotate and simultaneously drives the transmission block 71 to slide, so that the transmission block 71 is reset, when the centrifugal fan body 3 is connected with an extruder, the carriage 22 slides away from the push rod 24, so that the transmission block 71 props against the guide strip 25, the transmission block 71 slides away from the guide strip 75, the transmission rod 72 drives the connector 73, the connector 73 drives the guide ring 62 to rotate anticlockwise, the fixture block 61 on the guide ring 62 is clamped with the clamping sleeve 63, the roller 64 on the connector 73 rolls, the sliding rod 65 is compressed against the second return spring 66, so that the cover plate 54 can be assembled and disassembled more conveniently and quickly.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a water conservancy diversion pressure boost energy-conserving centrifugal fan, includes centrifugal fan body, adjusting module and drive unit, its characterized in that:
the adjusting module for adjusting the maintenance angle is provided with a limiting assembly for adjusting the airtightness, and the limiting assembly is provided with a centrifugal fan body for guiding and pressurizing;
the centrifugal fan comprises a centrifugal fan body, a balance assembly and a flow guide unit, wherein the centrifugal fan body is provided with the balance assembly for adjusting the tightness, the balance assembly is abutted against the centrifugal fan body, and the balance assembly is provided with the flow guide unit for guiding high-temperature gas;
the balance assembly is provided with a fixing mechanism for limiting, the fixing mechanism is arranged inside the centrifugal fan body, a transmission unit for transmission is connected to the fixing mechanism, and the transmission unit is abutted to the limiting assembly;
the flow guide unit comprises a connecting sleeve, a flow guide pipe, a filtering sleeve and a connecting pipe;
the one end of connecting pipe is fixed and run through in the apron, the other one end of connecting pipe is equipped with the cross-section and is the wave filter sleeve, the one end of honeycomb duct with block between the connecting pipe, the other one end of honeycomb duct is fixed in the adapter sleeve, the adapter sleeve deviates from the one end of honeycomb duct is the arc structure.
2. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the adjusting module comprises a base, a guide shaft, a first screw rod, a second screw rod, a rack, a first gear, a second gear and a third gear;
the guide shaft penetrates through and is fixed on the limiting assembly, the end part of the guide shaft is rotationally connected with the base, the first gear is fixed on the guide shaft, the first gear is arranged in the base, the cross section of the base along the axial direction of the guide shaft is L-shaped, the rack is vertical to the guide shaft, the rack is meshed with the first gear, the first lead screw is connected with the base and the rack in a penetrating way, the first lead screw is rotationally connected with the base, the first lead screw is in threaded connection with the rack, the first lead screw is vertical to the guide shaft, the third gear is arranged on the first lead screw, the second gear is meshed with the third gear, the second lead screw is arranged on the second lead screw, and the second lead screw is rotationally connected with the base, and the second screw rod is parallel to the guide shaft.
3. The diversion supercharging energy-saving centrifugal fan according to claim 2, characterized in that: the section of the rack is U-shaped.
4. The diversion supercharging energy-saving centrifugal fan according to claim 2, characterized in that: the limiting assembly comprises a guide rail, a sliding frame, a third screw rod, a push rod and a guide strip;
the bottom mounting of guide rail is in the guiding axle, be equipped with on the guide rail with the guiding axle vertically the gib block, the balladeur train with sliding connection between the guide rail, the balladeur train with sliding connection between the gib block, third lead screw through connection in the guide rail with the balladeur train, the third lead screw with rotate between the guide rail and be connected, the third lead screw with threaded connection between the balladeur train, the third lead screw deviates from the one end of balladeur train is equipped with the push rod.
5. The diversion supercharging energy-saving centrifugal fan according to claim 1, characterized in that: the balance assembly comprises a flow guide sleeve, a flow guide groove, a guide rod, a cover plate, a sealing plug, a first return spring and a storage sleeve;
the cover plate is abutted against the air inlet end of the centrifugal fan body;
be equipped with the inside cavity of round platform shape on the apron the guiding gutter, be equipped with a plurality of round platform shapes on the apron the guiding gutter, inside cavity the guide bar with sliding connection and tip extend to between the apron the guiding gutter, the guide bar deviates from the one end of guiding gutter is equipped with inside cavity latticed accomodate the cover, accomodate the cover and deviate from the one end of guide bar is equipped with the round platform shape the sealing plug, the sealing plug with conflict between the apron, the guide bar with accomodate the cover all run through in a reset spring, a reset spring's both ends are fixed in the sealing plug with the apron.
6. The diversion supercharging energy-saving centrifugal fan according to claim 4, characterized in that: the fixing mechanism comprises a clamping block, a guide ring, a clamping sleeve, a roller, a sliding rod and a second return spring;
the guide ring is rotationally connected with the centrifugal fan body;
the sliding guide device is characterized in that at least three clamping blocks are arranged on the circumference of the guide ring in an array mode, the cover plate is provided with a clamping sleeve with an L-shaped section and clamped with the clamping blocks, the bottom end of the guide ring is provided with the sliding rod, the second reset spring is arranged between the sliding rod and the sliding frame, and one end, away from the second reset spring, of the sliding rod is provided with the idler wheel which is connected in a rotating mode.
7. The diversion supercharging energy-saving centrifugal fan according to claim 6, characterized in that: the sliding rod is connected with the sliding frame in a sliding mode.
8. The diversion supercharging energy-saving centrifugal fan according to claim 6, characterized in that: the transmission unit comprises a transmission block, a transmission rod and a connector;
the end, facing the transmission block, of the guide strip is of a trapezoidal structure, the transmission block, facing the end, facing the guide strip, of which the end is triangular, is connected with the sliding frame in a sliding mode, and the sliding direction of the transmission block is perpendicular to that of the sliding frame;
one end of the transmission rod is in rolling connection with the transmission block, and the other end of the transmission rod is in rotating connection with the connector;
the connector is fixed in the guide ring, the gyro wheel with roll connection between the recess on the connector.
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| CN202210470267.1A CN114738326B (en) | 2022-04-28 | 2022-04-28 | Energy-conserving centrifugal fan of water conservancy diversion pressure boost |
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| CN202210470267.1A CN114738326B (en) | 2022-04-28 | 2022-04-28 | Energy-conserving centrifugal fan of water conservancy diversion pressure boost |
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| CN114738326B CN114738326B (en) | 2023-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116951571A (en) * | 2023-09-18 | 2023-10-27 | 江苏永昇空调有限公司 | Special air conditioning unit for grain storage |
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|---|---|
| CN114738326B (en) | 2023-10-03 |
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