CN107131049A - A kind of suspended-spindle centrifugal supercharger suitable for high speed conditions - Google Patents
A kind of suspended-spindle centrifugal supercharger suitable for high speed conditions Download PDFInfo
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- CN107131049A CN107131049A CN201710488162.8A CN201710488162A CN107131049A CN 107131049 A CN107131049 A CN 107131049A CN 201710488162 A CN201710488162 A CN 201710488162A CN 107131049 A CN107131049 A CN 107131049A
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- friction pulley
- pulley group
- friction
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- group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/04—Mechanical drives; Variable-gear-ratio drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/005—Cooling of pump drives
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions, including gear unit and blower fan compress cell；The gear unit includes suspension main shaft (1) and friction pulley group (2), the friction pulley group (2) includes the first friction pulley group being axially parallel to each other, second friction pulley group and the 3rd friction pulley group, the suspension main shaft (1) is multi-diameter shaft, including load patch (103), axially position section (102) and frictional drive section (101), two end faces of the axially position section (102) are designed as the inclined-plane with certain angle of inclination, the end face of the second friction pulley group and the 3rd friction pulley group that correspond contact is also configured as the inclined-plane with certain angle of inclination, the blower fan compress cell includes centrifugal impeller group (8), compressor air inlet (9) and compressor air outlet (10).The centrifugal supercharger of the present invention, considerably reduces the frictional dissipation of drive disk assembly, substantially increases the stability of friction pulley group.
Description
Technical field
The invention belongs to explosive motor related accessory technical field, high rotating speed is applied to more particularly, to one kind
The suspended-spindle centrifugal supercharger of operating mode.
Background technology
In order to improve the efficiency and power output of explosive motor, before air enters cylinder, it usually needs be it
Booster is configured, the air for entering cylinder to be compressed so that under same cylinder volume, more air can be sucked
Come more fuel that burn, the powerful effect of increasing is reached.The engine supercharger generally used at present mainly has engine driven supercharging
With the classification such as motor supercharging, and engine driven supercharging includes centrifugal mechanical supercharging, is spirally pressurized and Lu Zishi engine driven superchargings etc.,
What wherein utilization was more is centrifugal supercharger.It mainly drives booster using engine engine main shaft, will enter booster
Air boil down to high-density air feeding cylinder, improve engine power output.By years of researches and application, centrifugation increases
The technical merit of depressor has obtained significant progress, while its structure constantly simplifies, volume constantly reduces, its rotating speed
Improving constantly, charging efficiency there has also been significant progress；But, centrifugal supercharger is passed there is also booster zero load, booster
Defeated less efficient shortcoming.
Propose in the patent CN 201410580117.1 of the applicant's earlier application and a kind of to possess planetary gears
High transmission ratio suspended-spindle centrifugal supercharger, wherein building block and its structure and setting side by research and design transmission system
Formula, results in three-level synergistic stimulation, can effectively overcome the unloaded phenomenon of original booster, efficiently solve the ratio of gains and transmission
The bottleneck problem of efficiency, especially has obvious improvement to the pressurized effect of high regime.In above-mentioned suspended-spindle centrifugal supercharger,
Booster accesses driving force by belt pulley from engine motor, and driving force is transmitted into three planets by a central gear
On gear, three planetary gears drive three groups of friction pulleys to move by power transmission shaft again, the shape that three groups of friction pulleys pass through frictional drive
Formula drives in suspension axle movement, and the impeller for being arranged in suspension mandrel end section follows central axis, draws air into supercharging
It is pressurized in device.
But, shown by the engineer applied and actual test of subsequent years, in the above-mentioned suspension central shaft course of work,
In the presence of following deficiency：
(1) on the one hand due to impeller, rotation produces larger negative pressure at a high speed, and the negative pressure pushes suspension central shaft to friction pulley
The end face that support roller is axially limited, so as to cause very serious, the Er Qiesui of step end face abrasion of the suspension main shaft of centrifugal supercharger
The aggravation of the degree of wear, also wheel group easily collides with compressor casing of calming the anger for centrifugation；
(2) three groups of friction wheel assemblies use elastomeric material, in the support and driving to central shaft can exist rotate/
Resonance phenomena caused by support is unbalanced, while also there is the intrinsic running accuracy of elastic wheel, these all can
Cause unstable and uneven, the suction of influence air and pressurized effect that impeller rotates, cause booster to still have larger
Defect；
(3) three groups of friction pulleys are respectively by corresponding band wheel drive, and three belt wheels are driven and rotated by same belt,
On the one hand due to three belt wheels, the factor such as skidding that may be present causes three friction pulleys rotations to this structure in belt driving
There is speed difference, so as to cause the rotation of suspension central shaft unstable so that air pressure is uneven so as to influence pressurized effect.
(4) under high-speed working condition, friction pulley at a high speed, drives hot-air to turn to form vortex and be difficult to be rejected to support in pedestal
Outside, the centrifugal supercharger working time is longer, and the heat aggregation in support is more, and temperature is constantly raised, especially summer, support
Interior temperature is up to 70~80 DEG C, easily causes friction pair to damage, and influences the service life of elastic-friction wheel group.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the present invention provides a kind of suitable for the outstanding of high speed conditions
Floating axle centrifugal supercharger, adds strong magnetic assembly so as to offset centrifugal impeller group in the circular hole of pedestal and rotates the negative of generation at a high speed
Pressure, and the positioning step end face of central shaft is designed as to having certain angle of inclination with its radial section, make original friction pulley end
The relative slip surface-to-surface friction of face and central shaft positioning step end face become point in order to which cambered surface is rolled in opposite directions-or line-line rolling
Friction, considerably reduces the frictional dissipation of drive disk assembly, meanwhile, using the combination side of elastic-friction wheel and rigid support wheel
Formula, substantially increases the stability of friction pulley group.
To achieve these goals, the present invention provides a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions,
Including gear unit and blower fan compress cell；
The gear unit includes suspension main shaft and the friction pulley group on its excircle, and the friction pulley group includes axle
To the first friction pulley group, the second friction pulley group and the 3rd friction pulley group being parallel to each other, each friction pulley group includes at least two
The friction pulley for being parallel to each other and being coaxially disposed, the first friction pulley group is elastic-friction wheel, for driving the master that suspends
Axle is rotated, in the second friction pulley combination respective two friction pulleys of the 3rd friction pulley group, at least adjacent to centrifugation also wheel group
The friction pulley of one end is rigid wheel, and it is with the suspension main shaft rigid contact for the support suspension main shaft；
The suspension main shaft is multi-diameter shaft, including load patch, axially position section and frictional drive section, frictional drive section
For two sections, the surface of the second friction pulley group and the 3rd friction pulley group is contacted with two sections of frictional drive section respectively, is used
In driving the suspension main axis, two end faces of the axially position section are designed as the inclined-plane with certain angle of inclination,
The end face of the second friction pulley group and the 3rd friction pulley group that correspond contact is also configured as having certain inclination
The inclined-plane of angle, thus realize point-or line-linear contact lay rolling friction, it is to avoid the suspension main shaft excessive wear, so as to cause
Impeller collides with compressor casing；
The blower fan compress cell includes centrifugal impeller group, compressor air inlet and compressor air outlet, the centrifugation leaf
Wheel is mounted in the load patch, and with the suspension main shaft high-speed rotation, so that air-flow is from the compressor air inlet
Acceleration flows to compressor air outlet, realizes the function of supercharging.
Further, the axially position section forms positioning step end face with frictional drive section in intersection, described fixed
Position step end face is the inclined-plane that angle of inclination is β；The second friction pulley group, the 3rd friction pulley group and axially position section
Intersection formation contact end face, the contact end face is the inclined-plane that angle of inclination is α so that the positioning step end face is with contacting
End face formation cambered surface roll in opposite directions point-or line-link friction, so as to reduce the frictional dissipation of drive disk assembly.
Further, the tilt angle alpha of the contact end face is identical with the inclination angle beta of the positioning step end face, institute
Positioning step end face is stated with contacting line-link friction that end face formation cambered surface is rolled in opposite directions, or the inclination angle for contacting end face
Spend α different from the inclination angle beta of the positioning step end face, the positioning step end face is rolled in opposite directions with contacting end face formation cambered surface
A dynamic point-friction.
Further, the gear unit is in support, and support position corresponding with suspension main shaft is opened up
Have and magnet assembly is provided with through hole, the through hole, gap is provided between the magnet assembly and the suspension main shaft, for offsetting
The centrifugal impeller group negative pressure that rotation is produced at a high speed.
Further, the one end of the central shaft of the first friction pulley group stretches out is fixedly connected outside support with belt wheel, institute
Belt wheel is stated to by belt and external impetus unit power connector, with by the belt wheel will be pressurized driving force be transferred to it is described
First friction pulley group, so as to drive the levitation axis to rotate.
Further, two friction pulleys of the second friction pulley group and the 3rd friction pulley group are rigid wheel.
Further, the friction pulley in the second friction pulley group and the 3rd friction pulley group close to belt wheel one end is elasticity
Wheel.
Further, the centrifugal supercharger also includes cooling unit, and the cooling unit includes transmission system and cools down air intake
Pipe, transmission system cooling duct and compressor blast pipe；
Be respectively equipped with the first opening and the second opening on the two side of the support, transmission system cooling blast pipe with
The first opening connection, for provide natural wind in the support；The side wall of the compressor blast pipe is provided with the 3rd
Opening, one end of the transmission system cooling duct is connected with the described second opening, and the other end is connected with the described 3rd opening, from
And form complete airflow pipeline；
Rotation produces negative pressure to the centrifugal impeller group at a high speed, and the negative pressure is used for the high temperature swirling air stream in the support
The transmission system cooling duct is sucked, and is entered in compressor air inlet, after being pressurized through the centrifugal impeller group, feeding is started
Machine, cools so as to realize to the centrifugal supercharger.
Further, the cooling unit also includes cooling blower, one end of the cooling blower and the transmission system
Blast pipe connection is cooled down, the other end is connected with compressor blast pipe, and the compressor blast pipe is installed on the compressor casing
One end, the cooling blower is used for provide natural wind in the support, and realization cools to it, while for being the pressure
Mechanism of qi blast pipe sends into natural wind, increases intake.
Further, provided with cooling wind filter in the transmission system cooling duct, for the high temperature vortex gas
Stream is filtered, and removes the greasy dirt in the high temperature vortex air-flow.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) centrifugal supercharger of the invention, adds strong magnetic assembly to offset centrifugal impeller group in the circular hole of pedestal
The negative pressure that rotation is produced at a high speed, and the positioning step end face of central shaft is designed as to having certain inclination angle with its radial section
Degree, making original friction pulley end face, relative slip surface-to-surface friction becomes in order to which cambered surface is rolled in opposite directions with central shaft positioning step end face
Point-or line-line rolling friction, considerably reduce the frictional dissipation of drive disk assembly, meanwhile, using elastic-friction wheel and just
The combination of property support wheel, substantially increases the stability of friction pulley group.
(2) in the bullet for suspended-spindle centrifugal supercharger of the invention/rigidity friction wheel assembly, it is used as support wheel group
At least part friction pulley uses rigid wheel in friction pulley group, so as to greatly reduce the central shaft resonance phenomena and bullet of presence
Property wheel running accuracy defect, lifting booster air suction and pressurized effect.
(3) in the bullet for suspended-spindle centrifugal supercharger of the invention/rigidity friction wheel assembly, by the friction for driving
Wheel group is set to one group, and correspondingly driving pulley is also one, and remaining two groups of friction pulley group is only used as support, so as to have
Effect solves the problems, such as the speed difference that different driving wheel is brought.
(4) natural wind is sucked in the pedestal of centrifugal supercharger using cooling blower, compressor when centrifugal supercharger works
Negative pressure is produced in intake stack, the high temperature vortex air-flow in support is sucked and enters compressor in the intake stack of compressor, warp
Base outer is discharged after compressor pressure, the effect cooled to booster is reached, cooling air quantity increase with the rotating speed of compressor and
Increase, and cooling air quantity is bigger, and cooling effect is better.
Brief description of the drawings
Fig. 1 is a kind of structural representation of suspended-spindle centrifugal supercharger suitable for high speed conditions of the embodiment of the present invention
Figure；
Fig. 2 is a kind of knot of the central shaft of suspended-spindle centrifugal supercharger suitable for high speed conditions of the embodiment of the present invention
Structure relation schematic diagram；
Fig. 3 is the suspension central shaft of the embodiment of the present invention and the contact relation partial enlarged drawing of friction pulley；
Fig. 4 is the positioning step end face of the embodiment of the present invention and the contact relation partial enlarged drawing of friction pulley end face；
Fig. 5 for the bullet/rigidity of one embodiment of the invention rub wheel assembly elastic-friction wheel group from belt wheel drive end
End view under angle；
Fig. 6 is the elastic-friction wheel group of bullet/rigidity friction wheel assembly of another embodiment of the present invention from wheel drive
Hold the end view under opposite angles；
Fig. 7 is a kind of schematic diagram of lost pressure cooling system of the embodiment of the present invention；
Fig. 8 is a kind of structural representation of lost pressure cooling system of the embodiment of the present invention.
In all of the figs, same reference represents identical technical characteristic, is specially：1- suspensions main shaft, 101-
Frictional drive section, 102- axially positions section, 103- load patch, 1021- positioning steps end face, 2- friction pulleys group, 3- magnet assemblies,
4- belt wheels, 5- power transmission shafts, 6- fixing nuts, 7- fixing bolts, 8- centrifugal impellers group, 9- compressors air inlet, 10- compressors go out
Air port, 11- compressor casings, 12- supports, 13- felt pans, α-dead turn end slope angle, β-positioning step end slope angle,
14- transmission systems cooling blast pipe, 15- transmission systems cooling duct, 16- coolings wind filter, 17- compressors blast pipe, 18-
Cooling blower, 19- engine air filters, 20- elastic-frictions wheel, 21- rigid supports wheel, 22- compressors blast pipe, 201-
Dead turn, 2011- dead turn end faces.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not constituting conflict between this can just be mutually combined.
Fig. 1 is a kind of structural representation of the suspended-spindle centrifugal supercharger with axial limited characteristic of the embodiment of the present invention.
As shown in figure 1, the centrifugal supercharger includes gear unit, blower fan compress cell and cooling unit.For existing machinery supercharging
Device carries out analysis and finds that shaft end impeller operationally produces air-intake negative-pressure, is up to about 80Kpa, central shaft is pulled into one end, cause
The problems such as central shaft that excessive wear is present is with the collision of friction pulley end face, abrasion.As shown in figure 1, gear unit include belt wheel 4,
Power transmission shaft 5, friction pulley group 2 and suspension main shaft 1.Wherein, belt wheel 4 can be equal to the power section of engine by for example transmission belt
Connection, is derived from driving force.Power transmission shaft 5 is connected with belt wheel 4, for driving friction pulley group 2 to rotate.
Fig. 2 is a kind of structure of the central shaft of the suspended-spindle centrifugal supercharger with axial limited characteristic of the embodiment of the present invention
Relation schematic diagram；Fig. 3 is the suspension central shaft of the embodiment of the present invention and the contact relation partial enlarged drawing of friction pulley；Fig. 4 is this
The positioning step end face of inventive embodiments and the contact relation partial enlarged drawing of friction pulley end face.One as shown in figs. 2 to 4 is excellent
The suspension main shaft 1 of suspended-spindle centrifugal supercharger in embodiment is selected, its overall structure is multisection type step axle construction, and its end is axle
Centrifugal impeller group 8 is arranged with the minimum load patch 103 in footpath, its circumference, centrifugal impeller group 8 is fixed on negative using fixing nut 6
Carry in section 103, the blower fan compress cell for drawing air into booster is pressurized.
The posterior segment of suspension main shaft 1 is also step axle construction, wherein including the maximum axially position section 102 of the diameter of axle and axle
Footpath is only smaller than the frictional drive section 101 of axially position 102 diameters of axle of section, and frictional drive section 101 is two sections, two sections of frictional drive sections
101 are divided into the both sides of axially position section 102 along same axis, wherein one section is connected with the centrifugal impeller group 8, for passing through
Driving force is transferred to load patch 103 by the mode of frictional drive, drives centrifugal impeller group 8 to rotate, between another section and support roof
At a certain distance.Due to impeller, rotation produces larger negative pressure at a high speed, and the negative pressure pushes suspension central shaft to the end face of friction pulley,
So that the axially position section step end face of suspension central shaft and the end face of friction pulley collide, suspension center is easily caused
The end face of axle or friction pulley is damaged.Therefore, the present invention offers through hole on the roof of the support, the through hole can be circle
Shape, square or other shapes, are determined with specific reference to actual demand.In the through hole, provided with magnet assembly 3, the magnet assembly
To be provided with magnetic gap between permanent magnet, and the end face of the magnet assembly and the suspension main shaft 1, the size of the magnetic gap according to from
The vacuum magnitude that heart impeller sets 8 are produced is determined.Preferably, the gap is 0.5~3mm.Magnet produces about 50- to suspension main shaft
60Kpa pulling force, can in real time offset due to the negative pressure that impeller different rotating speeds are produced, realize the limitation to central shaft, it is to avoid institute
Suspension main shaft excessive wear is stated, so as to cause impeller to be collided with pressure shell, about 3-5 times of service life is improved.
In a preferred embodiment of the invention, the magnet assembly is electromagnet, and electromagnet is controlled by pressure sensor
Size of current, so as to control the magnetic force size of electromagnet, so as to offset in real time due to the negative pressure that impeller different rotating speeds are produced, is realized
Limitation to central shaft, so as to avoid the end face of central shaft step and support from colliding.
Because the diameter of axle is different, axially position section 102 forms positioning step end face with frictional drive section 101 in intersection
1021, due to central shaft axially position section step end face and friction pulley end-face relative motion be plane-plane contact friction, cause
The step end face abrasion of the suspension central shaft of centrifugal supercharger is very serious.Therefore, the present invention sets positioning step end face 1021
The inclined-plane in certain angle of inclination is calculated as, i.e., has certain between the radial section of positioning step end face 1021 and suspension main shaft 1
Inclination angle beta.
By contacting frictional drive between suspension main shaft 1 and friction pulley group 2, in a preferred embodiment, friction pulley 2 is
Multigroup lasso is coaxially arranged, its from it is outer and it is inner can be preferably dead turn, elastic rubber ring and aluminium alloy core wheel, dead turn 201
Positioned at the outmost turns of friction pulley, the ring-shaped periphery of dead turn contacts setting with 101 surfaces of frictional drive section of central shaft 1, is used for
Frictional drive is contacted with suspension main shaft 1.Correspondingly, two opposing end surfaces are corresponded to respectively is arranged in 102 two ends of axially position section
Two positioning step ends, i.e., the ring-shaped periphery of the dead turn 201 of each friction pulley and the frictional drive section of suspension main shaft 1
101 ring-shaped periphery contact is set, and dead turn 201 is close to the dead turn end face 2011 and axially position of axially position section 102
The matching of positioning step end face 1021 in section 102 is set.Accordingly, the radial direction of the end face 2011 of dead turn 201 and friction pulley 2 is cut
It is in certain tilt angle alpha between face.
In a preferred embodiment of the invention, the tilt angle alpha of dead turn end face 2011 and positioning step end face 1021
Inclination angle beta matching is set, and tilt angle alpha and β angle value can specifically be set according to actual needs, both can with identical,
Can also be different.In a preferred embodiment, the tilt angle alpha of dead turn end face 2011 and positioning step end face 1021 incline
Rake angle β is identical, and dead turn end face 2011 contacts setting with positioning step end face 1021, when friction pulley 2 drives central shaft 1 to move
When, line-line rolling friction is entered between dead turn end face 2011 and positioning step end face 1021.Further, at one preferably
In embodiment, the angle value of the inclination angle beta of positioning step end face is 10 °, and certain β value can also be other numerical value, such as 5 °,
6 °, 7 °, 8 ° etc., preferably β number range is 5 °~10 °；Correspondingly, the angle value of the tilt angle alpha of dead turn end face 2011
Also it is 10 °, certain α value also can be other numerical value, and such as 5 °, 6 °, 7 °, 8 °, preferably α number range is 5 °~10 °.
Fig. 5 for the bullet/rigidity of one embodiment of the invention rub wheel assembly elastic-friction wheel group from belt wheel drive end
End view under angle；Fig. 6 is the elastic-friction wheel group of bullet/rigidity friction wheel assembly of another embodiment of the present invention
End view under belt wheel drive end opposite angles.As shown in Figure 5 and Figure 6, in the preferred embodiment, rub
Wheel group 2 includes 3 groups, and every group is preferably two friction pulleys, and two friction pulleys are parallel to each other and are coaxially disposed, and forms a friction pulley
It is right.Three axis of friction pulley group 2 are parallel to each other and are circumferentially distributed in outside suspension central shaft 1, i.e., levitation axis 1 is arranged on three and rubbed
Wipe between wheel group 2, the axis of levitation axis 1 and the axis of friction pulley group 2 are parallel to each other, each friction pulley periphery of three friction pulley groups 2
Face is contacted with the levitation axis.
In the preferred embodiment, three friction pulley groups are circumferential into 120 degree of arrangements along the suspension main shaft.Certainly
This is not limited to the arrangement of three friction pulley groups in the present invention, as long as being arranged along main shaft periphery, angle can root
It is specifically chosen according to actual conditions.
In this programme, one of friction pulley group includes two friction pulleys, is arranged on two ends along wheel group axis respectively, wherein
One section close with centrifugal impeller group 8, and the other end and belt wheel 4 are close, and two friction pulleys are elastic wheel 20, and it is included positioned at periphery
Dead turn 201, it is as power drive wheel group, for levitation axis Elastic Contact and and then driving levitation axis 1 to rotate.Specifically
Ground, the middle shaft end of the friction pulley group 2, which stretches out, is provided with belt wheel 4 outside casing, belt wheel 4 is connected by belt and external impetus unit
Connect, the rotation of belt wheel 4 drives the friction pulley group 2 to rotate, and then drive levitation axis 1 to rotate.
Preferably, the top that levitation axis 1 is arranged on as the friction pulley group 2 of power drive wheel group.
Each in two other friction pulley group 2 along wheel group axis it is also preferred that including two friction pulleys, be arranged on respectively
Two ends, wherein one end (i.e. the front end of power transmission shaft 5) are close with centrifugal impeller group 8, and the other end (i.e. the front end of power transmission shaft 5) is leaned on belt wheel 4
Closely.One of them in two friction pulleys of each friction pulley group 2 is rigid wheel, its dead turn 201 and the rigid contact of levitation axis 1,
For the rotation of support suspension axle 1.
As shown in figure 5, in a preferred embodiment, each rubbing close to the one end of centrifugal impeller group 8 of two friction pulley groups 2
It is rigid wheel to wipe wheel, and the friction pulley close to the one end of belt wheel 4 is also rigid wheel.
As shown in fig. 6, in another preferred embodiment, each close one end of centrifugal impeller group 8 of two friction pulley groups 2
Friction pulley is rigid wheel, and the friction pulley close to the one end of belt wheel 4 is elastic wheel.
In this programme, the friction pulley that the front end of power transmission shaft 5 is arranged in 3 groups of friction pulleys is held in same plane, so
Movement locus when they are rotated is also in approximately the same plane, and the central point line of three friction pulleys is preferably comprised
Side triangle, the edge of three friction pulleys carrys out common support suspension main shaft 1 as three strong points, and passes through three friction pulleys
Contact has driven rotation.The friction pulley that the rear end face of power transmission shaft 5 is arranged in above-mentioned three groups of friction pulleys is equally held in another
In plane, and the rear end of suspension main shaft is supported in foregoing identical mode, so that with preceding friction pulley collective effect to hold
Row transmission process.Suspension main shaft 1 connects due to being formed in its front and back end respectively at the surface of friction pulley after 3 preceding friction pulleys and 3
Wiping is touched, thus in the case of without bearing, synchronous high-speed rotation can be also performed.
Blower fan compress cell includes compressor casing 11, the compressor air inlet 9 being opened on compressor casing 11 and radially gone out
Air port 10 and the centrifugal impeller group 8 being arranged on inside compressor casing 11.Wherein, the centrifugal impeller group 8 is sheathed on suspension master
The tail end (being left end shown in Fig. 1) of axle, thus synchronous high-speed rotates under the drive of suspension main shaft 1, produces negative pressure, so that
Air-flow is obtained from the accelerated process radial direction air outlet 10 of compressor air inlet 9, so as to play the function of supercharging.
The elastic-friction wheel assembly of centrifugal supercharger product produces shape in substantial amounts of heat, support in high speed rotational operation
Into waste heat vortex, radiating effect is bad, easily causes friction pair to damage, and influences the service life of elastic-friction wheel group.The present invention
In be additionally provided with cooling unit perform cooling and cooling processing.Fig. 7 is a kind of original of lost pressure cooling system of the embodiment of the present invention
Reason figure.As shown in fig. 7, its general principle is that the waste heat vortex in support is siphoned away using negative pressure, so as to reach good radiating effect
Really.Specifically, natural wind is filtered through engine air filter, then after accelerating through cooling blower, is entered along one of direction
Enter and enter from transmission system cooling blast pipe in support, as friction pulley group rotates at a high speed, and take away the high temperature of aggregation in support
Eddy airstream, because centrifugal impeller group is under high speed rotation operating mode, produces larger negative pressure, so that the high temperature vortex in support
Air-flow enter transmission system cooling duct 5, then enter back into compressor air inlet, meanwhile, after cooling blower accelerates from
The air-flow that right wind enters after compressor air inlet, natural wind and cooling along compressor blast pipe revolves at a high speed through centrifugal impeller group together
Turn after pressurization, send into engine through compressor air outlet, centrifugal supercharger is cooled so as to realize.
Fig. 8 is a kind of structural representation of lost pressure cooling system of the embodiment of the present invention.As shown in figure 8, the system includes：Pass
Dynamic system cooling blast pipe 14, transmission system cooling duct 15, compressor blast pipe 22, cooling blower 18 and engine air
Cleaner 19.The lost pressure cooling system is installed on support 12 and compressor casing 11 with centrifugal supercharger, wherein, the two of support 12
Side has the first opening and the second opening, and one end of transmission system cooling blast pipe 14 is connected with cooling blower 18, separately
One end is connected with the first opening.One end of compressor blast pipe 22 is connected with cooling blower 18, and the other end connects with compressor casing 11
Connect, one of side of compressor blast pipe 22 is provided with the 3rd opening, and one end of transmission system cooling duct 15 is opened with second
Mouth connection, the other end is connected with the 3rd opening, so as to form complete airflow pipeline.
As shown in figure 8, in a preferred embodiment of the invention, engine air filter 19 is installed and cooling blower 18
Side, for being filtered to natural wind, removes the impurity such as particulate matter therein.
In a preferred embodiment of the invention, because centrifugal impeller group 8 rotates at a high speed the negative pressure of generation, by the height in support
In warm eddy airstream suction mechanism of qi blast pipe 22, the intake of compressor air inlet 9 is considerably increased, meanwhile, cooling blower will
In natural wind suction compressor blast pipe 22, intake is further increased, so as to solve traditional cooling system intake not
Sufficient the problem of, and cooling air quantity is bigger, and cooling effect is better.By experimental contrast analysis, the present invention is cold with prior art
But Contrast on effect is as shown in table 1.
The cooling effect contrast table of the present invention of table 1
| Prior art | The present invention | |
| Friction pulley group rotating speed | 72000 | 72000 |
| Temperature in support | 80~120 DEG C | 65℃ |
As shown in table 1, the temperature in the more common centrifugal supercharger of centrifugal supercharger with lost pressure cooling system, support
20~50 DEG C can be reduced, substantially increases and improves cooling effect, the service life of centrifugal supercharger is extended.
In a preferred embodiment of the invention, cooling wind filter is provided with transmission system cooling duct 15
16.Because friction pulley group 2 rotates at a high speed, hot-air can not be discharged in time in support 12, be rotated with the superhigh speed of friction pulley group 2 one,
Vortex is produced, the working time of centrifugal supercharger is longer, and the temperature in support 4 is higher, especially summer, the temperature in support 12
Up to 80 DEG C, the lubricant grease in support 4 melts at such high temperatures, easily simultaneously to be entered in thermal current, if these greasy dirts with
Air-flow enters engine together, easily causes engine failure, influences automotive safety.Therefore, the present invention is to centrifugal supercharger
While cooling, the high temperature vortex in cooling wind filter 16, support 12 is provided with transmission system cooling duct 15
When hot-fluid passes through transmission system cooling duct 15, after the wind filter 16 that is cooled is filtered, compressor air inlet 9 is entered back into, finally
Enter engine after supercharging, greasy dirt is removed well, it is to avoid compressor assembles greasy dirt for a long time, influence normal work.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions, it is characterised in that including gear unit and blower fan
Compress cell；
The gear unit includes suspension main shaft (1) and the friction pulley group (2) on its excircle, the friction pulley group (2)
Including the first friction pulley group, the second friction pulley group and the 3rd friction pulley group being axially parallel to each other, each friction pulley group is included extremely
Lack two friction pulleys for being parallel to each other and being coaxially disposed, the first friction pulley group is elastic-friction wheel, it is described for driving
Suspension main shaft (1) is rotated, in the second friction pulley combination respective two friction pulleys of the 3rd friction pulley group, at least adjacent to centrifugation
Also the friction pulley of one end of wheel group (8) is rigid wheel, and it suspends with suspension main shaft (1) rigid contact for support is described
Main shaft (1)；
The suspension main shaft (1) is multi-diameter shaft, including load patch (103), axially position section (102) and frictional drive section (101),
Frictional drive section (101) is two sections, the surface of the second friction pulley group and the 3rd friction pulley group respectively with the friction
Two sections of contacts of transmission segment (101), for driving the suspension main shaft (1) to rotate, two ends of the axially position section (102)
Face is designed as the inclined-plane with certain angle of inclination, corresponds the second friction pulley group and the 3rd friction of contact
The end face of wheel group is also configured as the inclined-plane with certain angle of inclination, thus realize point-or line-linear contact lay rolling friction, keep away
Exempt from suspension main shaft (1) excessive wear, so as to cause impeller to be collided with compressor casing (11)；
The blower fan compress cell includes centrifugal impeller group (8), compressor air inlet (9) and compressor air outlet (10), described
Centrifugal impeller group (8) is in the load patch (103), and with suspension main shaft (1) high-speed rotation so that air-flow from
The compressor air inlet (9) accelerates to flow to compressor air outlet (10), realizes the function of supercharging.
2. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to claim 1, it is characterised in that
The axially position section (102) forms positioning step end face (1021), the positioning with frictional drive section (101) in intersection
Step end face (1021) is the inclined-plane that angle of inclination is β；The second friction pulley group, the 3rd friction pulley group and the axially position
The intersection formation contact end face (2011) of section (102), the contact end face (2011) is the inclined-plane that angle of inclination is α so that
The positioning step end face (1021) with contact end face (2011) formation cambered surface roll in opposite directions point-or line-link friction so that
Reduce the frictional dissipation of drive disk assembly.
3. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to claim 1 or 2, its feature exists
In the tilt angle alpha of the contact end face (2011) is identical with the inclination angle beta of the positioning step end face (1021), described
Positioning step end face (1021) is with contacting line-link friction that end face (2011) formation cambered surface is rolled in opposite directions, or the contact jaw
The tilt angle alpha in face (2011) is different from the inclination angle beta of the positioning step end face (1021), the positioning step end face
(1021) with contacting the point-friction that end face (2011) formation cambered surface is rolled in opposite directions.
4. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to any one of claim 1-3,
Characterized in that, the gear unit is in the support (12), the support (12) position corresponding with suspension main shaft (1)
Offer and magnet assembly (3) is provided with through hole, the through hole, be provided between the magnet assembly (3) and the suspension main shaft (1)
Gap, for offsetting the centrifugal impeller group (8) negative pressure that rotation is produced at a high speed.
5. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to any one of claim 1-4,
It is fixedly connected outside with belt wheel (4) characterized in that, the one end of the central shaft of the first friction pulley group stretches out support (12), institute
Belt wheel (4) is stated by belt and external impetus unit power connector, to be transmitted so that driving force will be pressurized by the belt wheel (4)
To the first friction pulley group, so as to drive the levitation axis to rotate.
6. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to any one of claim 1-5,
Characterized in that, two friction pulleys of the second friction pulley group and the 3rd friction pulley group are rigid wheel.
7. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to any one of claim 1-6,
Characterized in that, the friction pulley in the second friction pulley group and the 3rd friction pulley group close to belt wheel one end is elastic wheel.
8. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to any one of claim 1-7,
Characterized in that, also including cooling unit, the cooling unit includes transmission system cooling blast pipe (14), transmission system cooling
Airduct (15) and compressor blast pipe (22)；
The first opening and the second opening are respectively equipped with the two side of the support (12), the transmission system cools down blast pipe
(14) it is connected with the described first opening, for provide natural wind in the support；The side wall of the compressor blast pipe (22)
Provided with the 3rd opening, one end of the transmission system cooling duct (15) with described second be open be connected, the other end with it is described
3rd opening connection, so as to form complete airflow pipeline；
Rotation produces negative pressure to the centrifugal impeller group (8) at a high speed, and the negative pressure is used for the high temperature vortex in the support (12)
Air-flow sucks the transmission system cooling duct (15), and enters in compressor air inlet (9), through the centrifugal impeller group (8)
After supercharging, engine is sent into, the centrifugal supercharger is cooled so as to realize.
9. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to claim 8, it is characterised in that
The cooling unit also includes cooling blower (18), and one end and the transmission system of the cooling blower (18) cool down blast pipe
(14) connect, the other end is connected with compressor blast pipe (22), and the compressor blast pipe (22) is installed on the compressor casing
(11) one end, the cooling blower (18) is used for provide natural wind in the support (12), and realization cools to it, together
When be used for for the compressor blast pipe (22) send into natural wind, increase intake.
10. a kind of suspended-spindle centrifugal supercharger suitable for high speed conditions according to claim 8, its feature exists
In provided with cooling wind filter (6) in the transmission system cooling duct (15), for being carried out to the high temperature vortex air-flow
Filter, removes the greasy dirt in the high temperature vortex air-flow.
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| CN201710488162.8A CN107131049B (en) | 2017-06-23 | 2017-06-23 | Suspension shaft centrifugal supercharger suitable for extremely high rotating speed working condition |
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| CN201710488162.8A CN107131049B (en) | 2017-06-23 | 2017-06-23 | Suspension shaft centrifugal supercharger suitable for extremely high rotating speed working condition |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057361A (en) * | 1962-10-18 | 1967-02-01 | Frank Julius Wallace | Improvements in compound power plants |
| EP1348848A2 (en) * | 2002-03-26 | 2003-10-01 | Toyota Jidosha Kabushiki Kaisha | Turbocharger |
| JP2005127307A (en) * | 2003-10-03 | 2005-05-19 | Toyota Motor Corp | Turbocharger |
| CN101016906A (en) * | 2006-12-11 | 2007-08-15 | 江苏大学 | Permanent magnet suspension bearing centrifugal pump |
| US20080256950A1 (en) * | 2007-04-18 | 2008-10-23 | Park Bret J | Turbo Lag Reducer |
| US7469689B1 (en) * | 2004-09-09 | 2008-12-30 | Jones Daniel W | Fluid cooled supercharger |
| CN102022179A (en) * | 2010-12-17 | 2011-04-20 | 王治方 | Friction wheel high-speed suspension shaft centrifugal booster |
| CN201884118U (en) * | 2010-12-17 | 2011-06-29 | 王治方 | Friction-pulley high-speed suspended-spindle centrifugal supercharger |
| CN203285535U (en) * | 2013-05-29 | 2013-11-13 | 冯天泉 | Mechanical turbine pressurizer |
| JP2014211094A (en) * | 2013-04-17 | 2014-11-13 | 株式会社Ihi | Supercharger |
| CN204186466U (en) * | 2014-10-24 | 2015-03-04 | 黄石炫轺者动力科技有限公司 | A kind of high transmission ratio suspended-spindle centrifugal supercharger possessing planetary gears |
| CN104454145A (en) * | 2014-10-24 | 2015-03-25 | 黄石炫轺者动力科技有限公司 | High-transmission-ratio suspension shaft centrifugal supercharger with planetary gear mechanism |
| CN104736814A (en) * | 2012-11-22 | 2015-06-24 | 三菱重工业株式会社 | Supercharger with electric motor and engine device provided with supercharger with electric motor |
| JP2016111806A (en) * | 2014-12-05 | 2016-06-20 | トヨタ自動車株式会社 | Rotor for motor, electrically-driven supercharger, and electrically-assisted supercharger |
-
2017
- 2017-06-23 CN CN201710488162.8A patent/CN107131049B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057361A (en) * | 1962-10-18 | 1967-02-01 | Frank Julius Wallace | Improvements in compound power plants |
| EP1348848A2 (en) * | 2002-03-26 | 2003-10-01 | Toyota Jidosha Kabushiki Kaisha | Turbocharger |
| JP2005127307A (en) * | 2003-10-03 | 2005-05-19 | Toyota Motor Corp | Turbocharger |
| US7469689B1 (en) * | 2004-09-09 | 2008-12-30 | Jones Daniel W | Fluid cooled supercharger |
| CN101016906A (en) * | 2006-12-11 | 2007-08-15 | 江苏大学 | Permanent magnet suspension bearing centrifugal pump |
| US20080256950A1 (en) * | 2007-04-18 | 2008-10-23 | Park Bret J | Turbo Lag Reducer |
| CN102022179A (en) * | 2010-12-17 | 2011-04-20 | 王治方 | Friction wheel high-speed suspension shaft centrifugal booster |
| CN201884118U (en) * | 2010-12-17 | 2011-06-29 | 王治方 | Friction-pulley high-speed suspended-spindle centrifugal supercharger |
| CN104736814A (en) * | 2012-11-22 | 2015-06-24 | 三菱重工业株式会社 | Supercharger with electric motor and engine device provided with supercharger with electric motor |
| JP2014211094A (en) * | 2013-04-17 | 2014-11-13 | 株式会社Ihi | Supercharger |
| CN203285535U (en) * | 2013-05-29 | 2013-11-13 | 冯天泉 | Mechanical turbine pressurizer |
| CN204186466U (en) * | 2014-10-24 | 2015-03-04 | 黄石炫轺者动力科技有限公司 | A kind of high transmission ratio suspended-spindle centrifugal supercharger possessing planetary gears |
| CN104454145A (en) * | 2014-10-24 | 2015-03-25 | 黄石炫轺者动力科技有限公司 | High-transmission-ratio suspension shaft centrifugal supercharger with planetary gear mechanism |
| WO2016062225A1 (en) * | 2014-10-24 | 2016-04-28 | 黄石炫轺者动力科技有限公司 | High-transmission-ratio suspension shaft centrifugal supercharger having planetary gear mechanism |
| JP2016111806A (en) * | 2014-12-05 | 2016-06-20 | トヨタ自動車株式会社 | Rotor for motor, electrically-driven supercharger, and electrically-assisted supercharger |
Non-Patent Citations (1)
| Title |
|---|
| 安晓卫: "浮环支撑涡轮增压器转子系统临界转速的研究", 沈阳理工大学学报 * |
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| CN107131049B (en) | 2023-06-23 |
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