CN114367140B - Parallel shaft driving device for drum-shaped filter screen - Google Patents
Parallel shaft driving device for drum-shaped filter screen Download PDFInfo
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- CN114367140B CN114367140B CN202111673746.5A CN202111673746A CN114367140B CN 114367140 B CN114367140 B CN 114367140B CN 202111673746 A CN202111673746 A CN 202111673746A CN 114367140 B CN114367140 B CN 114367140B
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- drum
- shaft
- filter screen
- sealing ring
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention relates to a drum filter screen parallel shaft driving device, which comprises a driving shaft which is horizontally arranged, wherein two first bearings are uniformly arranged on the driving shaft, bearing seats are arranged on the two first bearings, and a driving mechanism is arranged on the driving shaft; the drive mechanism includes the speed reducer, the output of speed reducer is connected with the one end of drive shaft, be provided with three input on the speed reducer, be connected with a well high-speed motor and two low-speed motors on the three input respectively, medium-speed motor and two low-speed motors are connected with the speed reducer through three plum blossom elastic coupling respectively, the drive shaft passes through the serpentine spring shaft coupling and is connected with the speed reducer. The parallel shaft driving device for the drum-shaped filter screen realizes non-stop switching of low speed, medium speed and high speed under different working conditions, ensures long-term safe and reliable operation of the drum-shaped filter screen, can also clear seawater on the drum-shaped filter screen, improves the winding effect of the drum-shaped filter screen, and reduces the load of a driving shaft.
Description
Technical Field
The invention relates to a drum-shaped filter screen parallel shaft driving device, and belongs to the field of seawater filtering equipment.
Background
The drum filter screen is used as a main device for filtering seawater of a whole coastal nuclear power station plant, belongs to a part of a circulating water filtering system, and plays an important role in guaranteeing the safe operation of the nuclear power station. As a typical configuration of the design of a pump room of a coastal pressurized water reactor nuclear power station, all seawater used by a nuclear power unit is provided by a seawater filtering system (CFI), main equipment of the seawater filtering system comprises water treatment equipment such as a coarse grating, a gate, a chlorination device, a grating trash remover and a drum-shaped filter screen, and the drum-shaped filter screen serving as a component of the system can effectively remove grass, trees, fishes, shrimps, garbage and the like floating in water, thereby providing important guarantee for long-term, safe and reliable operation of a power plant. Therefore, there is a need for a parallel axis drive for a drum screen that improves operational reliability and reduces failure rates.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the deficiencies of the prior art, a parallel axis drive for a drum screen is provided.
The technical scheme adopted by the invention for solving the problems is as follows: a drum filter screen parallel shaft driving device comprises a horizontally arranged driving shaft, wherein two first bearings are uniformly arranged on the driving shaft, bearing seats are arranged on the two first bearings, and a driving mechanism is arranged on the driving shaft;
actuating mechanism includes the speed reducer, the output of speed reducer is connected with the one end of drive shaft, be provided with three input on the speed reducer, be connected with a well high-speed motor and two low-speed motor on the three input respectively, well high-speed motor and two low-speed motor are connected with the speed reducer through three plum blossom elastic coupling respectively, the drive shaft passes through the serpentine spring shaft coupling and is connected with the speed reducer.
Preferably, a water collecting groove is arranged below the driving shaft, and a notch of the water collecting groove is arranged upwards.
As preferred, the top of drive shaft is provided with the trachea, trachea and bearing frame fixed connection, be provided with the stripper bar between trachea and the drive shaft, stripper bar and trachea are all parallel with the drive shaft, the middle-end of tracheal bottom is provided with and runs through the groove, the top of stripper bar is provided with two coupling assembling, coupling assembling and first bearing one-to-one, coupling assembling includes the lifter, the vertical activity of lifter just seals to wear to establish on the trachea, the lifter is connected with the trachea through first spring, the bottom mounting of lifter sets up on the stripper bar, be provided with two wind-force subassemblies on the trachea, the wind-force subassembly sets up about running through the groove symmetry.
As preferred, wind-force subassembly includes sealed dish, sealed the setting of sealed dish is in tracheal one end, wear to be equipped with the axis of rotation on the sealed dish, axis of rotation and the coaxial setting of trachea, the flabellum is installed to the one end of axis of rotation, the other end of axis of rotation is installed from the driving wheel through one-way bearing, the flabellum is located the trachea, install the drive wheel in the drive shaft, the drive wheel passes through the drive belt with the follow driving wheel and is connected, the axis of rotation passes through the second bearing and is connected with the trachea, be provided with a plurality of gas pockets on the sealed dish, a plurality of gas pockets use the axis of rotation as central circumference evenly distributed, tracheal inside passes through gas pocket and tracheal outer wall intercommunication, be provided with the sealing ring in the trachea, sealing ring and the coaxial setting of axis of rotation, the sealing ring movable sleeve is established in the axis of rotation, sealing ring and sealed dish laminating, sealing ring and gas pocket sealing connection, one side that is close to the sealing ring and runs through the groove is provided with a plurality of mobile unit, mobile unit and gas pocket one-to-one, the sealing ring passes through mobile unit and rotation axis connection.
Preferably, the moving unit comprises a guide rod, the guide rod is perpendicular to the rotating shaft, the guide rod is fixedly arranged on the rotating shaft, a sliding block is sleeved on the guide rod and connected with the guide rod through a second spring, a connecting rod is arranged between the sliding block and the sealing ring, and the sliding block is hinged to the sealing ring through the connecting rod.
Preferably, two friction units are further arranged in the trachea, the friction units correspond to the sealing rings one to one, each friction unit comprises a plurality of friction rods, each friction rod is circumferentially and uniformly fixed on the inner wall of the trachea by taking the axis of the rotating shaft as a center, the friction rods are located on one side, close to the through groove, of the sealing ring, and a gap is formed between each friction rod and the sealing ring.
Preferably, the friction rod is provided with grains.
Preferably, the drum filter parallel shaft driving device has the following use methods: the bearing seat is fixed on the ground, the speed reducer adopts a horizontal installation mode, normally one low-speed motor is put into normal operation, the other low-speed motor is used as a standby motor, when one running low-speed motor fails, the other low-speed motor can be quickly switched into normal operation, when the running pressure difference of the drum filter screen is increased to a set value, the low-speed motor is stopped, the medium-high speed motor realizes medium-speed operation, when the running pressure difference of the drum filter screen is recovered to be normal, the medium-high speed motor is stopped and the low-speed motor is put into normal operation, when the running pressure difference of the medium-high speed motor reaches a high set value again, the medium-high speed motor is put into operation at high speed, after the running pressure difference of the drum filter screen is recovered to be normal, the medium-high speed motor is stopped and the low-speed motor is put into normal operation, and during the running of each motor, the vibration damping and buffering are realized through the quincunx elastic coupling, during the operation of the motor, the speed reducer drives the driving shaft to rotate on the first bearing through the serpentine spring coupling, the serpentine spring coupling can avoid resonance phenomenon, the rotation of the driving shaft drives the drum-shaped filter screen to rotate so as to meet the operation requirement of the drum-shaped filter screen, so that the non-stop switching of low speed, medium speed and high speed under different working conditions is realized, the long-term safe and reliable operation of the drum-shaped filter screen is ensured, the speed reducer adopts a parallel shaft horizontal speed reducer to operate relatively reliably, the failure rate is low, the operation and maintenance are simple and convenient, when the rotation of the driving shaft drives the drum-shaped filter screen to be folded and unfolded, seawater on the drum-shaped filter screen drops into the water collecting tank, the motor is prevented from being damped and damaged, the rotation of the driving shaft drives the driving wheel to rotate, the rotation of the driving wheel drives the driven wheel to rotate through the driving belt, the rotation of the driven wheel drives the outer ring of the one-way bearing to rotate, the one-way bearing can freely rotate in one direction and is locked in the other direction, and through calculation, during the rotation of the driving shaft, only one-way bearing outer ring drives the inner ring of the one-way bearing to synchronously rotate, the rotation of the one-way bearing inner ring drives the rotating shaft to rotate on the second bearing, the rotation of the rotating shaft drives the sealing ring to rotate through the guide rod, the sliding block and the connecting rod, the sliding block moves towards the direction far away from the rotating shaft under the action of centrifugal force, the second spring is deformed, the sliding block moves to drive the sealing ring to move towards the direction close to the through groove through the connecting rod, and the rotation of the rotating shaft also drives the fan blades to rotate, so that air is conveyed into the air pipe from the air hole, and because the other sealing ring is in a static state and blocks the air hole at the other end, the air in the air pipe can only be discharged downwards from the through groove and acts on the drum-shaped filter screen, under the action of air flow, the seawater on the drum-shaped filter screen can be blown to drop into the water collecting tank, the evaporation of the seawater on the drum-shaped filter screen can be accelerated, the seawater quantity on the drum-shaped filter screen is reduced, the winding effect of the drum-shaped filter screen is improved, in addition, through calculation, the sealing ring is abutted against the friction rod, the sealing ring is rubbed on the friction rod through the rotation of the sealing ring, the temperature of air in an air pipe is improved through the principle of heat generation by friction, the evaporation speed of the seawater on the drum-shaped filter screen is accelerated, the seawater removing effect is improved, when a gap is generated between the sealing ring and the friction rod due to abrasion, the sealing ring is pushed to move towards the direction close to the friction rod through the action of air flow, the sealing ring is always abutted against the friction rod, the reliability of the heat generation by friction is improved, and the extrusion rod is pushed to move upwards along with the increase of the thickness of the drum-shaped filter screen wound on the driving shaft, the ascending of extrusion stem drives the lifter synchronous rising to make first spring produce deformation, through the elastic action of first spring, make the extrusion stem receive decurrent effort, the extrusion stem realizes the extrusion to the cydariform filter screen promptly, the seawater separation on the cydariform filter screen of being convenient for further improves the play water efficiency of cydariform filter screen, reduces the load of drive shaft, and the drive shaft stall back, through the elastic action of second spring, makes the slider reset, and drives the sealing ring and realize reseing.
Compared with the prior art, the invention has the advantages that:
the parallel shaft driving device for the drum-shaped filter screen realizes non-stop switching of low speed, medium speed and high speed under different working conditions, ensures long-term safe and reliable operation of the drum-shaped filter screen, can remove seawater on the drum-shaped filter screen, improves the winding effect of the drum-shaped filter screen, and reduces the load of a driving shaft.
Drawings
FIG. 1 is a schematic view of a parallel axis driving apparatus for a drum filter according to the present invention;
FIG. 2 is a schematic view of a wind power assembly.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Wherein: 1. the automatic bearing comprises a driving shaft, 2. A first bearing, 3. A bearing seat, 4. A speed reducer, 5. A medium-high speed motor, 6. A low speed motor, 7. A plum blossom elastic coupling, 8. A serpentine spring coupling, 9. A water collecting tank, 10. An air pipe, 11. An extrusion rod, 12. A through groove, 13. A lifting rod, 14. A first spring, 15. A sealing disc, 16. A rotating shaft, 17. A fan blade, 18. A one-way bearing, 19. A driven wheel, 20. A driving wheel, 21. A driving belt, 22. A second bearing, 23. An air hole, 24. A sealing ring, 25. A guide rod, 26. A sliding block, 27. A second spring, 28. A connecting rod, 29. A friction rod and 30. A ground
Detailed Description
As shown in fig. 1 to 3, the parallel shaft driving device for a drum filter screen in the present embodiment includes a driving shaft 1 horizontally disposed, two first bearings 2 are uniformly mounted on the driving shaft 1, bearing seats 3 are disposed on both the two first bearings 2, and a driving mechanism is disposed on the driving shaft 1;
actuating mechanism includes speed reducer 4, the output of speed reducer 4 is connected with the one end of drive shaft 1, be provided with three input on the speed reducer 4, be connected with a medium and high-speed motor 5 and two low-speed motor 6 on the three input respectively, medium and high-speed motor 5 and two low-speed motor 6 are connected with speed reducer 4 through three plum blossom resilient coupling 7 respectively, drive shaft 1 is connected with speed reducer 4 through serpentine spring shaft coupling 8.
Preferably, a water collecting tank 9 is arranged below the driving shaft 1, and a notch of the water collecting tank 9 is arranged upward.
As preferred, the top of drive shaft 1 is provided with trachea 10, trachea 10 and bearing frame 3 fixed connection, be provided with extrusion stem 11 between trachea 10 and the drive shaft 1, extrusion stem 11 and trachea 10 all are parallel with drive shaft 1, the middle-end of the bottom of trachea 10 is provided with and runs through groove 12, extrusion stem 11's top is provided with two coupling assembling, coupling assembling and 2 one-to-one of first bearing, coupling assembling includes lifter 13, the vertical activity of lifter 13 and sealed wearing to establish on trachea 10, lifter 13 is connected with trachea 10 through first spring 14, lifter 13's bottom mounting sets up on extrusion stem 11, be provided with two wind-force subassemblies on trachea 10, wind-force subassembly is about running through groove 12 symmetry setting.
As preferred, wind-force subassembly includes sealed dish 15, the sealed one end that sets up at trachea 10 of sealed dish 15, wear to be equipped with axis of rotation 16 on sealed dish 15, axis of rotation 16 and the coaxial setting of trachea 10, flabellum 17 is installed to axis of rotation 16's one end, the other end of axis of rotation 16 is installed from driving wheel 19 through one-way bearing 18, flabellum 17 is located trachea 10, install drive wheel 20 on the drive shaft 1, drive wheel 20 and follow driving wheel 19 pass through drive belt 21 and connect, axis of rotation 16 passes through second bearing 22 and is connected with trachea 10, be provided with a plurality of gas pockets 23 on sealed dish 15, a plurality of gas pockets 23 use axis of rotation 16 as center circumference evenly distributed, gas pocket 23 and trachea 10's outer wall intercommunication is passed through to trachea 10 inside, be provided with sealing ring 24 in the trachea 10, sealing ring 24 and the coaxial setting of axis of rotation 16, sealing ring 24 movable sleeve is established on axis of rotation 16, sealing ring 24 and sealed dish 15 laminating, sealing ring 24 and gas pocket 23 sealing connection, one side that is close to sealing ring 24 and is close to running through groove 12 is provided with a plurality of removal unit, removal unit and gas pocket 23, removal unit and rotation axis of removal 23 one-to removal unit, sealing ring 24 are connected with 16.
Preferably, the moving unit includes a guide rod 25, the guide rod 25 is perpendicular to the rotating shaft 16, the guide rod 25 is fixedly disposed on the rotating shaft 16, a slider 26 is sleeved on the guide rod 25, the slider 26 is connected with the guide rod 25 through a second spring 27, a connecting rod 28 is disposed between the slider 26 and the sealing ring 24, and the slider 26 is hinged to the sealing ring 24 through the connecting rod 28.
Preferably, two friction units are further arranged in the trachea, the friction units correspond to the sealing rings 24 one by one, each friction unit comprises a plurality of friction rods 29, each friction rod 29 is circumferentially and uniformly fixed on the inner wall of the trachea 10 by taking the axis of the rotating shaft 16 as a center, the friction rods 29 are positioned on one side of the sealing rings 24 close to the through grooves 12, and gaps are arranged between the friction rods 29 and the sealing rings 24.
Preferably, the friction bar 29 is provided with a texture.
Preferably, the drum-shaped filter screen parallel shaft driving device has the following use method: fixing a bearing seat 3 on the ground 30, adopting a horizontal installation mode for a speed reducer 4, normally putting one low-speed motor 6 into normal operation, taking the other low-speed motor 6 as a standby motor, when one running low-speed motor 6 fails, quickly switching the other low-speed motor 6 into normal operation, stopping the low-speed motor 6 when the running pressure difference of a drum filter screen is increased to a set value, realizing the medium-high speed input operation of the medium-high speed motor 5, when the running pressure difference of the drum filter screen is recovered to be normal, stopping the medium-high speed motor 5, putting the low-speed motor 6 into normal operation, when the running pressure difference of the medium-high speed motor 5 reaches a high set value again, putting the medium-high speed motor 5 into operation at a high speed, stopping the medium-high speed motor 5 after the running pressure difference of the drum filter screen is recovered to be normal, putting the low-speed motor 6 into normal operation, and during the operation of each motor, the damping buffering is realized through the plum blossom elastic coupling 7, during the running of the motor, the speed reducer 4 drives the driving shaft 1 to rotate on the first bearing 2 through the serpentine spring coupling 8, the serpentine spring coupling 8 can avoid resonance phenomenon, the drum-shaped filter screen is driven to rotate by the rotation of the driving shaft 1 so as to meet the running requirement of the drum-shaped filter screen, so that the non-stop switching of low speed, medium speed and high speed under different working conditions is realized, the long-term safe and reliable running of the drum-shaped filter screen is ensured, the speed reducer 4 adopts the parallel shaft horizontal speed reducer 4 to run relatively reliably, the failure rate is low, the running maintenance is simple and convenient, when the drum-shaped filter screen is driven to retract and release by the rotation of the driving shaft 1, seawater on the drum-shaped filter screen drops in the water collecting tank 9, the motor is prevented from being affected with damp and damaged, the driving wheel 20 is driven by the rotation of the driving wheel 20 through the driving belt 21 to drive the driven wheel 19 to rotate, the rotation of the driven wheel 19 drives the outer ring of the one-way bearing 18 to rotate, the one-way bearing 18 is a bearing which can rotate freely in one direction and is locked in the other direction, and by calculation, only one outer ring of the one-way bearing 18 drives the inner ring of the one-way bearing 18 to rotate synchronously during the rotation of the driving shaft 1, the rotation of the inner ring of the one-way bearing 18 drives the rotating shaft 16 to rotate on the second bearing 22, the rotation of the rotating shaft 16 drives the sealing ring 24 to rotate through the guide rod 25, the sliding block 26 and the connecting rod 28, the sliding block 26 moves towards the direction far away from the rotating shaft 16 under the action of centrifugal force, and the second spring 27 is deformed, the movement of the sliding block 26 drives the sealing ring 24 to move towards the direction close to the through groove 12 through the connecting rod 28, and the rotation of the rotating shaft 16 also drives the fan blade 17 to rotate, so that air is conveyed from the air hole 23 to the air pipe 10, because the other sealing ring 24 is in a static state and blocks the air hole 23 at the other end, the air in the air pipe 10 can only be discharged downwards from the through groove 12 and acts on the drum-shaped filter screen, under the action of air flow, not only can the seawater on the drum-shaped filter screen be blown to drop in the water collecting tank 9, but also the evaporation of the seawater on the drum-shaped filter screen can be accelerated, the winding effect of the drum-shaped filter screen can be improved, in addition, through calculation, the sealing ring 24 is abutted against the friction rod 29, the sealing ring 24 is rubbed on the friction rod 29 through the rotation of the sealing ring 24, the temperature of the air in the air pipe 10 is improved through the principle of friction heat generation, thereby the evaporation speed of the seawater on the drum-shaped filter screen is accelerated, the seawater removing effect is improved, and when a gap is generated between the sealing ring 24 and the friction rod 29 due to abrasion, the air flow pushes the sealing ring 24 to move towards the direction close to the friction rod 29, make sealing ring 24 support with friction lever 29 all the time and lean on, frictional heating's reliability has been improved, moreover, along with the increase of the drum-shaped filter screen thickness of coiling on the drive shaft 1, promote the extrusion stem 11 and upwards remove, the ascending synchronous rising of drive lifter 13 of extrusion stem 11, and make first spring 14 produce deformation, through the elastic action of first spring 14, make extrusion stem 11 receive decurrent effort, that is, extrusion stem 11 realizes the extrusion to the drum-shaped filter screen, be convenient for the sea water separation on the drum-shaped filter screen, further improve the play water efficiency of drum-shaped filter screen, reduce the load of drive shaft 1, after drive shaft 1 stall, through the elastic action of second spring 27, make slider 26 reset, and drive sealing ring 24 and realize reseing.
When the driving device is used, the bearing seat 3 is fixed on the ground 30, the speed reducer 4 adopts a horizontal installation mode, normally, one low-speed motor 6 is put into normal operation, the other low-speed motor 6 is used as a standby motor, when one running low-speed motor 6 fails, the other low-speed motor 6 can be quickly switched into normal operation, when the running pressure difference of the drum filter screen is increased to a set value, the low-speed motor 6 stops running, the medium-high speed motor 5 realizes the operation of the medium-high speed motor 5, when the running pressure difference of the drum filter screen is recovered to be normal, the medium-high speed motor 5 stops running, the low-speed motor 6 is put into normal operation, when the running pressure difference of the medium-high speed motor 5 reaches a high set value again, the medium-high speed motor 5 is put into operation at high speed, after the running pressure difference of the drum filter screen is recovered to be normal, the medium-high speed motor 5 stops running, and the low-speed motor 6 is put into normal operation, during the operation of each motor, the plum blossom elastic coupling 7 is used for realizing vibration damping and buffering, during the operation of the motor, the speed reducer 4 drives the driving shaft 1 to rotate on the first bearing 2 through the serpentine spring coupling 8, the serpentine spring coupling 8 can avoid resonance phenomenon, the rotation of the driving shaft 1 drives the drum-shaped filter screen to rotate so as to meet the operation requirement of the drum-shaped filter screen, so that the non-stop switching of low speed, medium speed and high speed under different working conditions is realized, the long-term safe and reliable operation of the drum-shaped filter screen is ensured, the speed reducer 4 adopts the parallel shaft horizontal speed reducer 4 to operate relatively reliably, the failure rate is low, the operation and maintenance are simple and convenient, when the drum-shaped filter screen is driven by the rotation of the driving shaft 1 to retract and release the drum-shaped filter screen, seawater on the drum-shaped filter screen drops into the water collecting tank 9 to prevent the motor from being affected by damp and damaged, and the rotation of the driving shaft 1 drives the driving wheel 20 to rotate, the rotation of the driving wheel 20 drives the driven wheel 19 to rotate through the driving belt 21, the rotation of the driven wheel 19 drives the outer ring of the one-way bearing 18 to rotate, the one-way bearing 18 is a bearing which can rotate freely in one direction and is locked in the other direction, and through calculation, during the rotation of the driving shaft 1, only the outer ring of one-way bearing 18 drives the inner ring of the one-way bearing 18 to rotate synchronously, the rotation of the inner ring of the one-way bearing 18 drives the rotating shaft 16 to rotate on the second bearing 22, the rotation of the rotating shaft 16 drives the sealing ring 24 to rotate through the guide rod 25, the sliding block 26 and the connecting rod 28, the sliding block 26 moves towards the direction far away from the rotating shaft 16 under the action of centrifugal force, and the second spring 27 is deformed, the movement of the sliding block 26 drives the sealing ring 24 to move towards the direction close to the through groove 12 through the connecting rod 28, and the rotation of the rotating shaft 16 also drives the fan blades 17 to rotate, therefore, air is conveyed into the air pipe 10 from the air hole 23, because the other sealing ring 24 is in a static state and blocks the air hole 23 at the other end, the air in the air pipe 10 can only be discharged downwards from the through groove 12 and acts on the drum-shaped filter screen, under the action of air flow, seawater on the drum-shaped filter screen can be blown to drip into the water collecting tank 9, the evaporation of the seawater on the drum-shaped filter screen can be accelerated, the seawater quantity on the drum-shaped filter screen is reduced, the winding effect of the drum-shaped filter screen is improved, in addition, through calculation, the sealing ring 24 is abutted against the friction rod 29, the sealing ring 24 is rubbed on the friction rod 29 through the rotation of the sealing ring 24, the temperature of the air in the air pipe 10 is improved through the principle of heat generation by friction, the evaporation speed of the seawater on the drum-shaped filter screen is accelerated, the seawater removing effect is improved, and when a gap is generated between the sealing ring 24 and the friction rod 29, promote sealing ring 24 to remove towards the direction that is close to friction lever 29 through the air current effect, make sealing ring 24 support with friction lever 29 all the time and lean on, the thematic reliability of friction has been improved, and, along with the increase of the drum filter screen thickness of coiling on drive shaft 1, promote the ejector pin 11 and upwards remove, the rising of ejector pin 11 drives lifter 13 to rise in step, and make first spring 14 produce deformation, through the elastic action of first spring 14, make ejector pin 11 receive decurrent effort, that is, ejector pin 11 realizes the extrusion to the drum filter screen, be convenient for the sea water separation on the drum filter screen, further improve the play water efficiency of drum filter screen, reduce the load of drive shaft 1, after drive shaft 1 stops rotating, through the elastic action of second spring 27, make slider 26 reset, and drive sealing ring 24 and realize resetting.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a drum strainer parallel shaft drive arrangement which characterized in that: the bearing seat type driving device comprises a driving shaft (1) which is horizontally arranged, wherein two first bearings (2) are uniformly arranged on the driving shaft (1), bearing seats (3) are respectively arranged on the two first bearings (2), and a driving mechanism is arranged on the driving shaft (1);
the driving mechanism comprises a speed reducer (4), the output end of the speed reducer (4) is connected with one end of the driving shaft (1), the speed reducer (4) is provided with three input ends, and the three input ends are respectively connected with a medium-high speed motor (5) and two low-speed motors (6);
a water collecting tank (9) is arranged below the driving shaft (1), and the opening of the water collecting tank (9) is arranged upwards;
the utility model discloses a trachea, including drive shaft (1), trachea (10) and bearing frame (3) fixed connection, be provided with between trachea (10) and the drive shaft (1) extrusion pole (11), extrusion pole (11) and trachea (10) all are parallel with drive shaft (1), the middle-end of the bottom of trachea (10) is provided with and runs through groove (12), the top of extrusion pole (11) is provided with two coupling assembling, coupling assembling and first bearing (2) one-to-one, coupling assembling includes lifter (13), lifter (13) vertical activity and sealed wear to establish on trachea (10), lifter (13) are connected with trachea (10) through first spring (14), the bottom mounting of lifter (13) sets up on extrusion pole (11), be provided with two wind power components on trachea (10), wind power component is about running through groove (12) symmetry setting.
2. A drum screen parallel axis drive as claimed in claim 1, wherein: the medium-high speed motor (5) and the two low speed motors (6) are respectively connected with the speed reducer (4) through three plum blossom elastic couplings (7).
3. A drum screen parallel axis drive as claimed in claim 1, wherein: the driving shaft (1) is connected with the speed reducer (4) through the serpentine spring coupling (8).
4. A drum screen parallel axis drive as claimed in claim 1, wherein: the wind power component comprises a sealing disc (15), the sealing disc (15) is arranged at one end of an air pipe (10) in a sealing mode, a rotating shaft (16) is arranged on the sealing disc (15) in a penetrating mode, the rotating shaft (16) and the air pipe (10) are arranged coaxially, a fan blade (17) is installed at one end of the rotating shaft (16), a driven wheel (19) is installed at the other end of the rotating shaft (16) through an one-way bearing (18), the fan blade (17) is located in the air pipe (10), a driving wheel (20) is installed on the driving shaft (1), the driving wheel (20) and the driven wheel (19) are connected through a driving belt (21), the rotating shaft (16) is connected with the air pipe (10) through a second bearing (22), a plurality of air holes (23) are formed in the sealing disc (15), the axes of the air holes (23) are uniformly distributed in the central circumferential direction, the inner part of the air pipe (10) is communicated with the outer wall of the air pipe (10) through the air holes (23), a sealing ring (24) is arranged in the air pipe (10), the sealing ring (24) and the rotating shaft (16) and the sealing ring (24) is coaxially arranged on the rotating shaft (16), the sealing ring (24) is connected with the air holes (23) in a sealing mode, a plurality of moving units are arranged on one side, close to the through groove (12), of the sealing ring (24), the moving units correspond to the air holes (23) in a one-to-one mode, and the sealing ring (24) is connected with the rotating shaft (16) through the moving units.
5. A drum screen parallel axis drive according to claim 4, wherein: the moving unit comprises a guide rod (25), the guide rod (25) is perpendicular to the rotating shaft (16), the guide rod (25) is fixedly arranged on the rotating shaft (16), a sliding block (26) is sleeved on the guide rod (25), the sliding block (26) is connected with the guide rod (25) through a second spring (27), a connecting rod (28) is arranged between the sliding block (26) and the sealing ring (24), and the sliding block (26) is hinged to the sealing ring (24) through the connecting rod (28).
6. A drum screen parallel axis drive as claimed in claim 1, wherein: the air pipe is characterized in that two friction units are further arranged in the air pipe and correspond to the sealing rings (24) one by one, each friction unit comprises a plurality of friction rods (29), each friction rod (29) is circumferentially and uniformly fixed on the inner wall of the air pipe (10) by taking the axis of the rotating shaft (16) as the center, the friction rods (29) are located on one side, close to the through groove (12), of each sealing ring (24), and a gap is formed between each friction rod (29) and each sealing ring (24).
7. A drum screen parallel axis drive as claimed in claim 6, wherein: the friction rod (29) is provided with grains.
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| CN202111673746.5A CN114367140B (en) | 2021-12-31 | 2021-12-31 | Parallel shaft driving device for drum-shaped filter screen |
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| CN202111673746.5A CN114367140B (en) | 2021-12-31 | 2021-12-31 | Parallel shaft driving device for drum-shaped filter screen |
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| CN114367140B true CN114367140B (en) | 2023-04-07 |
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