CN111765103A - Fluid machine that factor of safety is high - Google Patents

Fluid machine that factor of safety is high Download PDF

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Publication number
CN111765103A
CN111765103A CN202010574796.7A CN202010574796A CN111765103A CN 111765103 A CN111765103 A CN 111765103A CN 202010574796 A CN202010574796 A CN 202010574796A CN 111765103 A CN111765103 A CN 111765103A
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CN
China
Prior art keywords
transmission shaft
driving
fixed
shaft
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010574796.7A
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Chinese (zh)
Inventor
高建文
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Shenzhen Fengfa Yinuo Technology Co ltd
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Shenzhen Fengfa Yinuo Technology Co ltd
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Publication date
Application filed by Shenzhen Fengfa Yinuo Technology Co ltd filed Critical Shenzhen Fengfa Yinuo Technology Co ltd
Priority to CN202010574796.7A priority Critical patent/CN111765103A/en
Publication of CN111765103A publication Critical patent/CN111765103A/en
Withdrawn legal-status Critical Current

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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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • 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
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to a fluid machine with high safety factor, which comprises a fixed pipe, a protective net, a transmission shaft and at least three blades, wherein the transmission shaft and the fixed pipe are coaxially arranged, the transmission shaft, the protective net and the blades are all positioned in the fixed pipe, the blades are circumferentially and uniformly fixed on the transmission shaft by taking the axis of the transmission shaft as the center, the protective net is arranged at one end in the fixed pipe, a driving mechanism and at least two connecting mechanisms are arranged in the fixed pipe, the connecting mechanisms are circumferentially and uniformly distributed at one side, close to the transmission shaft, of the protective net by taking the axis of the fixed pipe as the center, the driving mechanism comprises a driving assembly, a transmission assembly and an auxiliary assembly, the transmission assembly comprises a driving disc, a driven disc, a rotating shaft, a first bearing, a magnet block and at least two transmission units, and the fluid machine with high safety, moreover, the safety is improved through the connecting mechanism.

Description

Fluid machine that factor of safety is high
Technical Field
The invention relates to the field of fans, in particular to a fluid machine with high safety coefficient.
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.
Current fan 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, and when the fan need maintain and unpack apart the protection network, if when making the flabellum still be in the rotating-state because of neglecting, easy incident, the security 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, 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, a fluid machine with high safety factor is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fluid machine with high safety factor comprises a fixed pipe, a protective net, a transmission shaft and at least three blades, wherein the transmission shaft and the fixed pipe are coaxially arranged, the transmission shaft, the protective net and the blades are all positioned in the fixed pipe, the blades are circumferentially and uniformly fixed on the transmission shaft by taking the axis of the transmission shaft as the center, the protective net is arranged at one end in the fixed pipe, a driving mechanism and at least two connecting mechanisms are arranged in the fixed pipe, and the connecting mechanisms are circumferentially and uniformly distributed on one side, close to the transmission shaft, of the protective net by taking the axis of the fixed pipe as the center;
the driving mechanism comprises a driving component, a transmission component and an auxiliary component;
the transmission assembly comprises a driving disc, a driven disc, a rotating shaft, a first bearing, a magnet block and at least two transmission units, the driving disc, the driven disc and the rotating shaft are all arranged coaxially with the transmission shaft, the driven disc is fixed at one end of the transmission shaft close to the protective net, the driving disk is positioned at one side of the driven disk far away from the transmission shaft, a gap is arranged between the driving disk and the driven disk, one end of the rotating shaft is fixed at one side of the driving disk far away from the driven disk, the inner ring of the first bearing is arranged on the rotating shaft, the outer ring of the first bearing is fixedly connected with the inner wall of the fixed pipe, the magnet block is positioned between the driving disc and the driven disc, the magnet block is fixed on the driving disc and is abutted against the driven disc, the driven disc is made of iron, the transmission units are circumferentially and uniformly distributed between the driving disc and the driven disc by taking the axis of the transmission shaft as a center, and the driving assembly is in transmission connection with one end, far away from the driving disc, of the rotating shaft;
the transmission unit comprises a connecting rod, a sliding block, a first spring, a guide rod and two fixing blocks, the axis of the guide rod is perpendicular to and intersected with the axis of the transmission shaft, two ends of the guide rod are respectively fixed on the driving disk through the two fixing blocks, the sliding block is sleeved on the guide rod, a gap is arranged between the sliding block and the fixing block close to the axis of the transmission shaft, the sliding block is connected with the fixing block far away from the axis of the transmission shaft through the first spring, the sliding block is hinged with the driven disk through the connecting rod, and the distance between one end of the connecting rod close to the sliding block and the axis of the transmission shaft is smaller than the distance between;
the auxiliary assembly is positioned on one side of the blade far away from the protective net and comprises a moving unit and at least three auxiliary units, and the auxiliary units correspond to the blades one to one;
the moving unit comprises a moving pipe and a second spring, the moving pipe and the transmission shaft are coaxially arranged, the transmission shaft penetrates through the moving pipe and is in sliding connection with the moving pipe, and one end, far away from the protective net, of the moving pipe is connected with one end, far away from the protective net, of the transmission shaft through the second spring;
the auxiliary unit is positioned between the moving pipe and the blades and comprises a supporting block, a moving rod and a cleaning brush, the cleaning brush corresponds to the moving pipe one by one and is opposite to the blades, a gap is formed between the cleaning brush and the blades, the moving rod is parallel to the transmission shaft, the moving rod is fixed on the moving pipe, the supporting block is fixed on the transmission shaft and is provided with a gap with the moving pipe, the supporting block is provided with a round hole, the moving rod penetrates through the round hole and is in sliding connection with the inner wall of the round hole, and a gap is formed between the moving rod and the driven disc;
the connecting mechanism comprises a fan blade, a connecting shaft, a second bearing, a torsion spring, an eccentric wheel, a ball, a locking rod, a connecting block, a check block and a connecting rod, wherein the check block is fixed on the inner wall of the fixed pipe and is abutted against one side, close to the transmission shaft, of the protective net, a mounting hole is formed in the check block, the connecting rod and the connecting shaft are parallel to the rotating shaft, the connecting rod penetrates through the mounting hole and is in sliding connection with the inner wall of the mounting hole, the connecting rod is fixed on the protective net, the fan blade is installed at one end, far away from the protective net, of the connecting shaft, the eccentric wheel is installed at the other end of the connecting shaft, the inner ring of the second bearing is installed on the connecting shaft, the outer ring of the second bearing is fixedly connected with the, the eccentric wheel is located one side of being close to the transmission shaft axis of connecting rod, the outer lane of eccentric wheel is equipped with the ring channel, the ball is located one side of keeping away from the transmission shaft axis of eccentric wheel, the centre of sphere of ball sets up in the ring channel, the ball match with the ring channel and with the inner wall sliding connection of ring channel, the axis of check lock lever is perpendicular and rubber with the axis of connecting rod and transmission shaft respectively, the check lock lever is located between ball and the check lock lever, the one end of check lock lever is fixed on the ball, be equipped with the clearance between check lock lever and the connecting rod, the check lock lever is located one side of keeping away from the protection network of dog, one side of connecting rod that is close to the transmission shaft axis is equipped with the blind hole, the blind hole sets up.
Preferably, in order to facilitate the insertion of the locking rod into the blind hole, both ends of the locking rod are provided with chamfers.
Preferably, in order to realize the rotation of the rotating shaft, the driving assembly comprises a driving motor, a driving wheel, a driven wheel and a driving belt, the driven wheel is installed on the rotating 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 driving belt.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, in order to improve the heat dissipation effect of the driving motor, the driving motor is provided with a heat dissipation fin.
Preferably, the drive wheel and the driven wheel are provided with anti-slip threads for preventing slipping.
Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the guide bar and the slider.
Preferably, sound absorption cotton is paved on the outer wall of the fixed pipe for reducing noise.
Preferably, in order to prolong the service life of the fixing pipe, the fixing pipe is provided with an anti-corrosion zinc coating.
Preferably, the stop block is made of rubber for achieving buffering and vibration reduction.
The fluid machine with high safety factor has the advantages that the function of driving the blades to rotate is realized through the driving mechanism, compared with the existing driving mechanism, the driving mechanism can also realize the function of removing dust on the blades, in addition, the driving mechanism is combined with the vibration of the blades through the movement of the cleaning brush on the blades, the dust removing effect is better, in addition, the safety is improved through the connecting mechanism, compared with the existing connecting mechanism, the connecting mechanism realizes the automatic locking of the protective net through the flowing of air in the fixed pipe as the driving force, the operation is more convenient, and the practicability is stronger.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the construction of a high safety fluid machine of the present invention;
FIG. 2 is a schematic diagram of a transmission assembly of a high safety fluid machine of the present invention;
FIG. 3 is a schematic diagram of the construction of the auxiliary components of the high safety fluid machine of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a schematic view of the drive assembly of the high safety fluid machine of the present invention;
in the figure: 1. the cleaning brush comprises a fixed pipe, a protective net, a transmission shaft, blades, a driving plate, a driven plate, a rotating shaft, a first bearing, a magnet block, a connecting rod, a sliding block, a first spring, a guide rod, a fixing block, a moving pipe, a second spring, a supporting block, a moving rod, a cleaning brush, a blade, a connecting shaft, a second bearing, a torsion spring, an eccentric wheel, a ball, a locking rod, a connecting block, a stop block, a connecting rod, a driving motor, a driving wheel, a driven wheel, a driving belt, a blade, a radiating fin and sound absorbing cotton, wherein the fixed pipe, the blades, the driving plate, the driven wheel, the driving belt, the blades, the driving plate.
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. 1-3, a fluid machine with a high safety factor includes a fixed pipe 1, a protective net 2, a transmission shaft 3 and at least three blades 4, the transmission shaft 3 is coaxially disposed with the fixed pipe 1, the transmission shaft 3, the protective net 2 and the blades 4 are all located in the fixed pipe 1, the blades 4 are circumferentially and uniformly fixed on the transmission shaft 3 by taking an axis of the transmission shaft 3 as a center, the protective net 2 is disposed at one end of the fixed pipe 1, a driving mechanism and at least two connecting mechanisms are disposed in the fixed pipe 1, and the connecting mechanisms are circumferentially and uniformly distributed on one side of the protective net 2 close to the transmission shaft 3 by taking the axis of the fixed pipe 1 as a center;
the driving mechanism comprises a driving component, a transmission component and an auxiliary component;
the transmission assembly comprises a driving disc 5, a driven disc 6, a rotating shaft 7, a first bearing 8, a magnet block 9 and at least two transmission units, wherein the driving disc 5, the driven disc 6 and the rotating shaft 7 are coaxially arranged with the driving shaft 3, the driven disc 6 is fixed at one end, close to the protective net 2, of the driving shaft 3, the driving disc 5 is positioned at one side, far away from the driving shaft 3, of the driven disc 6, a gap is formed between the driving disc 5 and the driven disc 6, one end of the rotating shaft 7 is fixed at one side, far away from the driven disc 6, of the driving disc 5, an inner ring of the first bearing 8 is installed on the rotating shaft 7, an outer ring of the first bearing 8 is fixedly connected with the inner wall of the fixed pipe 1, the magnet block 9 is positioned between the driving disc 5 and the driven disc 6, the magnet block 9 is fixed on the driving disc 5 and abutted against the driven disc 6, the driven disc 6 is made of iron, and the transmission units, the driving component is in transmission connection with one end of the rotating shaft 7, which is far away from the driving disc 5;
the transmission unit comprises a connecting rod 10, a sliding block 11, a first spring 12, a guide rod 13 and two fixing blocks 14, the axis of the guide rod 13 is perpendicular to and intersected with the axis of the transmission shaft 3, two ends of the guide rod 13 are respectively fixed on the driving disc 5 through the two fixing blocks 14, the sliding block 11 is sleeved on the guide rod 13, a gap is formed between the sliding block 11 and the fixing block 14 close to the axis of the transmission shaft 3, the sliding block 11 is connected with the fixing block 14 far away from the axis of the transmission shaft 3 through the first spring 12, the sliding block 11 is hinged with the driven disc 6 through the connecting rod 10, and the distance between one end of the connecting rod 10 close to the sliding block 11 and the axis of the transmission shaft 3 is smaller than the distance between the;
the auxiliary assembly is positioned on one side, far away from the protective net 2, of the blade 4, and comprises a moving unit and at least three auxiliary units, wherein the auxiliary units correspond to the blades 4 one to one;
the moving unit comprises a moving pipe 15 and a second spring 16, the moving pipe 15 and the transmission shaft 3 are coaxially arranged, the transmission shaft 3 penetrates through the moving pipe 15 and is in sliding connection with the moving pipe 15, and one end, far away from the protective net 2, of the moving pipe 15 is connected with one end, far away from the protective net 2, of the transmission shaft 3 through the second spring 16;
the auxiliary unit is positioned between the moving pipe 15 and the blades 4 and comprises supporting blocks 17, moving rods 18 and cleaning brushes 19, the cleaning brushes 19 correspond to the moving pipe 15 one by one and are arranged opposite to the blades 4, gaps are formed between the cleaning brushes 19 and the blades 4, the moving rods 18 are parallel to the transmission shaft 3, the moving rods 18 are fixed on the moving pipe 15, the supporting blocks 17 are fixed on the transmission shaft 3 and are provided with gaps with the moving pipe 15, the supporting blocks 17 are provided with circular holes, the moving rods 18 penetrate through the circular holes and are in sliding connection with the inner walls of the circular holes, and gaps are formed between the moving rods 18 and the driven disc 6;
the rotating shaft 7 is rotated under the supporting action of the first bearing 8 through the driving assembly, the driving disc 5 is driven to rotate by the rotation of the rotating shaft 7, the driving disc 5 is driven to rotate by the rotation of the driving disc 5 through the fixed block 14, the guide rod 13, the slider 11 and the guide rod 13, the driven disc 6 is driven to rotate through the transmission shaft 3, so that air in the fixed pipe 1 can be discharged from one end, far away from the protective net 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, during the period, the slider 11 can be subjected to centrifugal force through the rotation of the slider 11, the centrifugal force is increased along with the increase of the rotating speed of the slider 11, and when the centrifugal force applied to the slider 11 is larger than the sum of the elastic action of the first spring 12 and the mutual attraction between the magnet block 9 and the iron driven disc 6, the slider 11 can be moved towards the direction, and the first spring 12 is compressed, the movement of the slide block 11 towards the direction far away from the axis of the transmission shaft 3 drives the driven disc 6 towards the direction far away from the driving disc 5 through the connecting rod 10, when the rotation shaft 7 stops rotating, the centrifugal force applied to the slide block 11 is reduced, when the centrifugal force is smaller than the sum of the elastic acting force of the first spring 12 and the mutual attraction force between the magnet block 9 and the iron driven disc 6, the slide block 11 can be moved towards the direction close to the axis of the transmission shaft 3, and the driven disc 6 is driven towards the direction close to the driving disc 5 through the connecting rod 10, because the acting force of the mutual attraction between the driven disc 6 and the magnet block 9 is in proportion to the distance, the increasing speed of the acting force applied to the driven disc 6 towards the direction close to the driving disc 5 is larger than the speed of the centrifugal magnet force applied to the slide block 11, so that the driven disc 6 can rapidly move towards, and during the driven disk 6 and the magnet block 9 are abutted, the moving pipe 15 drives the moving rod 18 to move on the supporting block 17 towards the direction close to the driving disk 5 under the action of inertia, the second spring 16 is stretched, the moving pipe 15 drives the cleaning brush 19 to abut against the blades 4 under the action of movement, so that the cleaning brush 19 can clean dust on the blades 4, subsequently, the moving pipe 15 drives the cleaning brush 19 to reset under the elastic action of the second spring 16, moreover, the driven disk 6 can vibrate and transmit the vibration to the blades 4 through the abutting of the driven disk 6 and the magnet block 9, and the dust cleaning effect on the blades 4 can be improved under the action of vibration.
As shown in fig. 4, the connecting mechanism includes a fan blade 20, a connecting shaft 21, a second bearing 22, a torsion spring 23, an eccentric wheel 24, a ball 25, a locking rod 26, a connecting block 27, a stopper 28 and a connecting rod 29, the stopper 28 is fixed on the inner wall of the fixed pipe 1 and is abutted against one side of the protective net 2 close to the transmission shaft 3, the stopper 28 is provided with a mounting hole, the connecting rod 29 and the connecting shaft 21 are both parallel to the rotating shaft 7, the connecting rod 29 passes through the mounting hole and is slidably connected with the inner wall of the mounting hole, the connecting rod 29 is fixed on the protective net 2, the fan blade 20 is installed at one end of the connecting shaft 21 far away from the protective net 2, the eccentric wheel 24 is installed at the other end of the connecting shaft 21, the inner ring of the second bearing 22 is installed on the connecting shaft 21, the outer ring of the second bearing 22 is fixedly connected, the eccentric wheel 24 is connected with the outer ring of the second bearing 22 through a torsion spring 23, the eccentric wheel 24 is positioned on one side of the connecting rod 29 close to the axis of the transmission shaft 3, an annular groove is formed in the outer ring of the eccentric wheel 24, the ball 25 is positioned on one side of the eccentric wheel 24 far away from the axis of the transmission shaft 3, the center of the ball 25 is arranged in the annular groove, the ball 25 is matched with the annular groove and is in sliding connection with the inner wall of the annular groove, the axis of the locking rod 26 is respectively vertical to the axis of the connecting rod 29 and the axis of the transmission shaft 3 and is made of rubber, the locking rod 26 is positioned between the ball 25 and the locking rod 26, one end of the locking rod 26 is fixed on the ball 25, a gap is formed between the locking rod 26 and the connecting rod 29, the locking rod 26 is positioned on one side of the stopper 28 far away, the blind hole and the locking rod 26 are coaxially arranged, and the aperture of the blind hole is equal to the diameter of the locking rod 26.
When the air in the fixed pipe 1 flows, the fan blades 20 can rotate, the rotation of the fan blades 20 drives the connecting shaft 21 to rotate under the supporting action of the second bearing 22, i.e. the eccentric wheel 24 can rotate, and the torsion spring 23 is deformed, here, the rotation of the eccentric wheel 24 can push the locking rod 26 to move towards the direction far away from the axis of the transmission shaft 3 under the supporting action of the connecting block 27 through the balls 25, and the locking rod 26 is inserted into the blind hole and abuts against the inner wall of the blind hole, at this time, the locking rod 26 still receives the thrust towards the direction far away from the axis of the transmission shaft 3, through the matching of the locking rod 26 and the blind hole, the effect of locking the protective net 2 can be realized, the safety accident caused by the opening of the protective net 2 during the rotation of the blades 4 in the fixed pipe 1 can be prevented, and through the matching between the connecting rod 29 and, the matching accuracy between the locking rod 26 and the blind hole can be improved, when the air in the fixed pipe 1 stops flowing, the eccentric wheel 24 reversely rotates under the elastic action of the torsion spring 23 to realize resetting, so that the locking rod 26 is separated from the blind hole, and the unlocking of the protective net 2 is realized.
Preferably, to facilitate the insertion of the locking bar 26 into the blind hole, both ends of the locking bar 26 are chamfered.
The chamfer has the function of reducing the caliber of the locking rod 26 when the locking rod is inserted into the blind hole, so that the locking rod 26 is convenient to be matched with the blind hole.
As shown in fig. 5, the driving assembly includes a driving motor 30, a driving wheel 31, a driven wheel 32 and a transmission belt 33, the driven wheel 32 is mounted on the rotating shaft 7, the driving motor 30 is fixed on the inner wall of the fixed pipe 1 and is in transmission connection with the driving wheel 31, and the driving wheel 31 and the driven wheel 32 are respectively disposed at two ends of the inner side of the transmission belt 33.
The driving motor 30 is started to rotate the driving wheel 31, the rotation of the driving wheel 31 drives the driving wheel to rotate through the transmission belt 33, and the rotation of the driven wheel 32 drives the rotating shaft 7 to rotate under the supporting effect of the first bearing 8.
Preferably, the driving motor 30 is a servo motor in order to increase the driving force of the driving motor 30.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 30 can be improved.
Preferably, in order to improve the heat dissipation effect of the driving motor 30, a heat sink 34 is disposed on the driving motor 30.
When the air in the fixed pipe 1 flows, the heat of the driving motor 30 can be discharged along with the air, so as to realize the heat dissipation of the driving motor 30, and the heat dissipation fins 34 are used for increasing the heat dissipation area of the driving motor 30, thereby increasing the heat dissipation effect.
Preferably, the drive wheel 31 and the driven wheel 32 are provided with anti-slip threads for preventing slipping.
The anti-slip pattern functions to increase the friction between the transmission belt 33 and the drive pulley 31 and the driven pulley 32, respectively, and prevent slip.
Preferably, the guide rod 13 is coated with a lubricating oil in order to reduce the friction between the guide rod 13 and the slider 11.
The lubricating oil has the function of reducing the friction force between the guide rod 13 and the sliding block 11 and improving the moving fluency of the sliding block 11.
Preferably, sound absorption cotton 35 is laid on the outer wall of the fixed pipe 1 for noise reduction.
The sound absorption cotton 35 is used for absorbing noise in the fixed pipe 1 and reducing noise.
Preferably, in order to prolong the service life of the fixed pipe 1, the fixed pipe 1 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of fixed pipe 1, prolongs the life of fixed pipe 1.
Preferably, the stopper 28 is made of rubber for achieving cushioning and vibration reduction.
The rubber texture is softer, can reduce the protection network 2 and the dog 28 and support the impact force that produces when leaning on, has realized buffering and damping.
When the driving motor 30 is started, the driving wheel 31 is rotated, the driving wheel is driven to rotate by the rotation of the driving wheel 31 through the transmission belt 33, the rotating shaft 7 is driven to rotate under the supporting action of the first bearing 8 by the rotation of the driven wheel 32, the driving disc 5 is driven to rotate by the rotation of the rotating shaft 7, the driven disc 6 is driven to rotate by the rotation of the driving disc 5 through the fixed block 14, the guide rod 13, the slider 11 and the guide rod 13, the blades 4 are driven to rotate by the rotation of the driven disc 6 through the transmission shaft 3, so that the air in the fixed pipe 1 can be discharged from one end of the fixed pipe 1, which is far away from the protective screen 2, and the air outside the fixed pipe 1 enters the fixed pipe 1 from the other end of the fixed pipe 1, during the period, the slider 11 can be subjected to a centrifugal force through the rotation of the slider 11, the centrifugal force is increased along with the increase of the rotation speed of the slider 11, when the centrifugal force subjected, the slide block 11 can be moved away from the axial direction of the transmission shaft 3, and the first spring 12 is compressed, the movement of the slide block 11 away from the axial direction of the transmission shaft 3 drives the driven disc 6 to move away from the driving disc 5 through the connecting rod 10, when the rotation shaft 7 stops rotating, the centrifugal force applied to the slide block 11 is reduced, when the centrifugal force is smaller than the sum of the elastic acting force of the first spring 12 and the mutual attraction force between the magnet block 9 and the ferrous driven disc 6, the slide block 11 can be moved toward the axial direction of the transmission shaft 3, and the driven disc 6 is driven to move toward the driving disc 5 through the connecting rod 10, because the acting force of the mutual attraction between the driven disc 6 and the magnet block 9 is in proportion to the distance, namely, the increasing speed of the magnitude of the acting force applied to the driven disc 6 toward the direction of the driving disc 5 is larger than the speed of the reduction of the, the driven disk 6 can move towards the direction close to the driving disk 5 and abut against the magnet block 9 rapidly, and during the period that the driven disk 6 abuts against the magnet block 9, the moving pipe 15 drives the moving rod 18 to move towards the direction close to the driving disk 5 on the supporting block 17 under the action of inertia, and the second spring 16 is stretched, the moving pipe 15 drives the cleaning brush 19 to abut against the blades 4, so that the cleaning brush 19 can remove dust on the blades 4, subsequently, the moving pipe 15 drives the cleaning brush 19 to reset under the elastic action of the second spring 16, furthermore, the driven disk 6 can vibrate and transmit the vibration to the blades 4 through the abutting of the driven disk 6 and the magnet block 9, the dust cleaning effect on the blades 4 can be improved under the action of the vibration, when air in the connecting shaft 1 flows, the blades 20 can rotate, the rotation of the blades 20 drives the blades 21 to rotate under the supporting action of the second bearing 22, namely, the eccentric wheel 24 can be rotated, and the torsion spring 23 is deformed, here, the rotation of the eccentric wheel 24 can push the locking rod 26 to move towards the direction far away from the axis of the transmission shaft 3 under the supporting action of the connecting block 27 through the ball 25, and the locking rod 26 is inserted into the blind hole and abuts against the inner wall of the blind hole, at this time, the locking rod 26 still receives the thrust towards the direction far away from the axis of the transmission shaft 3, through the cooperation of the locking rod 26 and the blind hole, the effect of locking the protection net 2 can be realized, the safety accident caused by the opening of the protection net 2 during the rotation of the blades 4 in the fixed pipe 1 can be prevented, moreover, through the cooperation between the connecting rod 29 and the block 28, the installation accuracy of the protection net 2 can be improved, the accuracy of the cooperation between the locking rod 26 and the blind hole can also be improved, when the air in the fixed pipe 1 stops flowing, namely, the locking bar 26 can be separated from the blind hole, and the protection net 2 can be unlocked.
Compared with the prior art, this fluid machinery that factor of safety is high has realized driving blade 4 pivoted function through actuating mechanism, compare with current actuating mechanism, this actuating mechanism can also realize cleaing away the function of dust on blade 4, and, this actuating mechanism passes through the removal of cleaning brush 19 on blade 4 and the vibration of blade 4 inter combination, the dust is clear away the effect better, moreover, still improve the security through coupling mechanism, compare with current coupling mechanism, this coupling mechanism realizes the automatic locking of protection network 2 as drive power through the flow of fixed intraductal air 1, and it is more convenient to operate, and the practicality 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. The utility model provides a fluid machinery that factor of safety is high, includes fixed pipe (1), protection network (2), transmission shaft (3) and at least three blade (4), transmission shaft (3) and fixed pipe (1) coaxial setting, transmission shaft (3), protection network (2) and blade (4) all are located fixed pipe (1), blade (4) use the axis of transmission shaft (3) evenly to fix on transmission shaft (3) as center circumference, protection network (2) set up the one end in fixed pipe (1), its characterized in that, be equipped with actuating mechanism and two at least coupling mechanism in fixed pipe (1), coupling mechanism uses the axis of fixed pipe (1) as center circumference evenly distributed in one side that is close to transmission shaft (3) of protection network (2);
the driving mechanism comprises a driving component, a transmission component and an auxiliary component;
the transmission assembly comprises a driving disc (5), a driven disc (6), a rotating shaft (7), a first bearing (8), a magnet block (9) and at least two transmission units, wherein the driving disc (5), the driven disc (6) and the rotating shaft (7) are coaxially arranged with the driving shaft (3), the driven disc (6) is fixed at one end, close to the protective net (2), of the driving shaft (3), the driving disc (5) is positioned at one side, far away from the driving shaft (3), of the driven disc (6), a gap is formed between the side, far away from the driven disc (6), of the driving disc (5), one end of the rotating shaft (7) is fixed at one side, far away from the driven disc (6), of the driving disc (5), an inner ring of the first bearing (8) is installed on the rotating shaft (7), an outer ring of the first bearing (8) is fixedly connected with the inner wall of the fixed pipe (1), and the magnet block (9, the magnet block (9) is fixed on the driving disc (5) and is abutted against the driven disc (6), the driven disc (6) is made of iron, the transmission units are circumferentially and uniformly distributed between the driving disc (5) and the driven disc (6) by taking the axis of the transmission shaft (3) as the center, and the driving assembly is in transmission connection with one end, far away from the driving disc (5), of the rotating shaft (7);
the transmission unit comprises a connecting rod (10), a sliding block (11), a first spring (12), a guide rod (13) and two fixed blocks (14), the axis of the guide rod (13) is vertical to and intersected with the axis of the transmission shaft (3), two ends of the guide rod (13) are respectively fixed on the driving disc (5) through two fixing blocks (14), the sliding block (11) is sleeved on the guide rod (13), a gap is arranged between the sliding block (11) and the fixed block (14) close to the axis of the transmission shaft (3), the sliding block (11) is connected with a fixed block (14) far away from the axis of the transmission shaft (3) through a first spring (12), the slide block (11) is hinged with the driven disc (6) through a connecting rod (10), the distance between one end of the connecting rod (10) close to the sliding block (11) and the axis of the transmission shaft (3) is smaller than the distance between the other end of the connecting rod (10) and the axis of the transmission shaft (3);
the auxiliary assembly is positioned on one side, far away from the protective net (2), of the blade (4), and comprises a moving unit and at least three auxiliary units, wherein the auxiliary units correspond to the blades (4) one by one;
the moving unit comprises a moving pipe (15) and a second spring (16), the moving pipe (15) and the transmission shaft (3) are coaxially arranged, the transmission shaft (3) penetrates through the moving pipe (15) and is in sliding connection with the moving pipe (15), and one end, far away from the protective net (2), of the moving pipe (15) is connected with one end, far away from the protective net (2), of the transmission shaft (3) through the second spring (16);
the auxiliary unit is positioned between the moving pipe (15) and the blades (4), the auxiliary unit comprises supporting blocks (17), moving rods (18) and cleaning brushes (19), the cleaning brushes (19) correspond to the moving pipe (15) one by one and are arranged opposite to the blades (4), gaps are formed between the cleaning brushes (19) and the blades (4), the moving rods (18) are parallel to the transmission shaft (3), the moving rods (18) are fixed on the moving pipe (15), the supporting blocks (17) are fixed on the transmission shaft (3) and are provided with gaps with the moving pipe (15), round holes are formed in the supporting blocks (17), the moving rods (18) penetrate through the round holes and are connected with the inner walls of the round holes in a sliding mode, and gaps are formed between the moving rods (18) and the driven disc (6);
the connecting mechanism comprises fan blades (20), a connecting shaft (21), a second bearing (22), a torsion spring (23), an eccentric wheel (24), balls (25), a locking rod (26), a connecting block (27), a check block (28) and a connecting rod (29), the check block (28) is fixed on the inner wall of the fixed pipe (1) and abuts against one side, close to the transmission shaft (3), of the protective net (2), mounting holes are formed in the check block (28), the connecting rod (29) and the connecting shaft (21) are parallel to the rotating shaft (7), the connecting rod (29) penetrates through the mounting holes and is in sliding connection with the inner wall of the mounting holes, the connecting rod (29) is fixed on the protective net (2), the fan blades (20) are installed at one end, far away from the connecting shaft (21), of the eccentric wheel (24) is installed at the other end of the connecting shaft (21), the inner ring of the second bearing (22) is installed on the connecting shaft, the outer lane of second bearing (22) and the inner wall fixed connection of fixed pipe (1), torsion spring (23) are located between eccentric wheel (24) and second bearing (22), eccentric wheel (24) are connected with the outer lane of second bearing (22) through torsion spring (23), eccentric wheel (24) are located one side that is close to transmission shaft (3) axis of connecting rod (29), the outer lane of eccentric wheel (24) is equipped with the ring channel, ball (25) are located one side of keeping away from transmission shaft (3) axis of eccentric wheel (24), the centre of sphere of ball (25) sets up in the ring channel, ball (25) match with the ring channel and with the inner wall sliding connection of ring channel, the axis of check lock lever (26) is perpendicular and rubber with the axis of connecting rod (29) and transmission shaft (3) respectively, check lock lever (26) are located between ball (25) and check lock lever (26), the one end of check lock lever (26) is fixed on ball (25), be equipped with the clearance between check lock lever (26) and connecting rod (29), one side of keeping away from protection network (2) that check block (28) are located in check lock lever (26), one side that is close to transmission shaft (3) axis of connecting rod (29) is equipped with the blind hole, the blind hole is with the coaxial setting of check lock lever (26), the aperture of blind hole equals with the diameter of check lock lever (26).
2. The high-safety fluid machine as claimed in claim 1, wherein both ends of the lock lever (26) are chamfered.
3. The high-safety-factor fluid machine as claimed in claim 1, wherein the driving assembly comprises a driving motor (30), a driving wheel (31), a driven wheel (32) and a transmission belt (33), the driven wheel (32) is mounted on the rotating shaft (7), the driving motor (30) is fixed on the inner wall of the fixed pipe (1) and is in transmission connection with the driving wheel (31), and the driving wheel (31) and the driven wheel (32) are respectively arranged at two ends of the inner side of the transmission belt (33).
4. A high-safety fluid machine as claimed in claim 3, wherein the drive motor (30) is a servomotor.
5. The high-safety fluid machine as claimed in claim 3, wherein the drive motor (30) is provided with cooling fins (34).
6. A highly safety fluid machine as claimed in claim 3, wherein the drive wheel (31) and the driven wheel (32) are provided with anti-slip threads.
7. The high-safety fluid machine as claimed in claim 1, wherein the guide rod (13) is coated with a lubricating oil.
8. The high-safety fluid machine as claimed in claim 1, wherein sound-absorbing cotton (35) is applied to the outer wall of the fixed pipe (1).
9. The high-safety fluid machine as claimed in claim 1, characterized in that the fastening pipe (1) is provided with an anti-corrosion zinc coating.
10. The high-safety fluid machine as claimed in claim 1, wherein the stop (28) is made of rubber.
CN202010574796.7A 2020-06-22 2020-06-22 Fluid machine that factor of safety is high Withdrawn CN111765103A (en)

Priority Applications (1)

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CN202010574796.7A CN111765103A (en) 2020-06-22 2020-06-22 Fluid machine that factor of safety is high

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CN202010574796.7A CN111765103A (en) 2020-06-22 2020-06-22 Fluid machine that factor of safety is high

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CN207568902U (en) * 2017-12-12 2018-07-03 湛江市创伟节能技术服务有限公司 A kind of industrial energy saving fan
CN109139511A (en) * 2018-09-10 2019-01-04 惠州讯宇达电子科技有限公司 A kind of Intelligent noise reduction radiator fan
CN208534799U (en) * 2018-05-28 2019-02-22 海安绒克纺织有限公司 A kind of exhaust fan of metalworking workshop
CN208702741U (en) * 2018-07-04 2019-04-05 新昌县勤振机械制造有限公司 A kind of easy-to-dismount electric fan
CN109899102A (en) * 2019-02-21 2019-06-18 广州纯元科技有限公司 A kind of ventilating apparatus for tunnels convenient for safeguarding with dedusting function
CN209025893U (en) * 2018-09-06 2019-06-25 湖北宇汇天诚环保设备有限公司 A kind of cleaning mechanism of industrial dedusting blower
CN110056517A (en) * 2019-04-13 2019-07-26 赵瑞霞 A kind of exhaust fan convenient for being cleared up flabellum
CN210371214U (en) * 2019-08-21 2020-04-21 无锡高卓流体设备有限公司 High-efficiency vertical vortex pipeline pump
CN210769436U (en) * 2019-10-25 2020-06-16 浙江科力风机有限公司 Ventilator convenient for fan blade cleaning

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6022192A (en) * 1998-05-19 2000-02-08 Delahoz; Herman H. Automatic cleaning system for a ceiling fan blade
CN204283927U (en) * 2014-11-17 2015-04-22 嘉兴美斯克电气科技有限公司 A kind of ventilation fan
CN207033796U (en) * 2017-05-17 2018-02-23 佛山市朗然通风设备有限公司 A kind of dust protection automatically cleaning axial flow blower
CN207420986U (en) * 2017-10-18 2018-05-29 深圳市科佰实照明科技有限公司 A kind of ceiling fan that can install ceiling fan dust cleaning brush
CN107762986A (en) * 2017-10-27 2018-03-06 刘轩 A kind of environment-friendly type can self-cleaning exhaust fan
CN207568902U (en) * 2017-12-12 2018-07-03 湛江市创伟节能技术服务有限公司 A kind of industrial energy saving fan
CN208534799U (en) * 2018-05-28 2019-02-22 海安绒克纺织有限公司 A kind of exhaust fan of metalworking workshop
CN208702741U (en) * 2018-07-04 2019-04-05 新昌县勤振机械制造有限公司 A kind of easy-to-dismount electric fan
CN209025893U (en) * 2018-09-06 2019-06-25 湖北宇汇天诚环保设备有限公司 A kind of cleaning mechanism of industrial dedusting blower
CN109139511A (en) * 2018-09-10 2019-01-04 惠州讯宇达电子科技有限公司 A kind of Intelligent noise reduction radiator fan
CN109899102A (en) * 2019-02-21 2019-06-18 广州纯元科技有限公司 A kind of ventilating apparatus for tunnels convenient for safeguarding with dedusting function
CN110056517A (en) * 2019-04-13 2019-07-26 赵瑞霞 A kind of exhaust fan convenient for being cleared up flabellum
CN210371214U (en) * 2019-08-21 2020-04-21 无锡高卓流体设备有限公司 High-efficiency vertical vortex pipeline pump
CN210769436U (en) * 2019-10-25 2020-06-16 浙江科力风机有限公司 Ventilator convenient for fan blade cleaning

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